During the good old days, anchor bolts had one capacity and concrete wasn’t cracked. What was the circumstance? Once you have determined your uplift requirements and selected a post size and holdown, it is necessary to provide an anchor to the foundation. But why? Simpson Strong-Tie Anchor Designer Software is the latest anchorage design tool for structural engineers to satisfy the strength design provisions of ACI 318 Appendix D, CAN/ CSA A23.3 Annex D, ETAG 001 Annex C or EOTA TR029 design methodologies. 5/8" x 6" Simpson Strong-Tie Titen HD Screw Anchor Zinc Plated - THDB62600H, 10/Box. This category only includes cookies that ensures basic functionalities and security features of the website. Necessary cookies are absolutely essential for the website to function properly. Simpson Strong Tie CD25234D Crimp Anchor Duplex Head 1/4"x 2-3/4 box of 100 NEW. As a result, many of us probably created an Excel template to speed up the design process using built-in functions and some Visual Basic programming. You know, to simplify specifying anchor bolts…. Simpson Strong-Tie DIA50S Drop-In Anchor 1/2" - short 50ct Drop-In anchors are internally threaded drop-in expansion anchors for use in flush-mount applications in solid base materials. It is mandatory to procure user consent prior to running these cookies on your website. Continue Reading. (Holdown Edition) explained how holdowns are tested and load rated in accordance with ICC-ES Acceptance Criteria. To help Designers select an anchor that works for a given holdown, we have created different tables that provide anchorage solutions for Simpson Strong-Tie holdowns. A common question we get from specifiers is “What anchor do I use with each holdown?” Prior to the adoption of ACI 318 Appendix D, this was somewhat simple to do. (To learn more about anchorage failure modes and ductility, on Reasons to Specify SET-3G Adhesive for Anchorage in Concrete Construction, on How Should I Determine a Tension Test Load? These cookies will be stored in your browser only with your consent. Plywood sheathing may require notching with stud Simpson Strong-Tie FSA Foundation Anchor These criteria were developed to address the testing and qualification of adhesive anchors in grouted, hollow, and partially grouted concrete masonry units, as well as in brick masonry units. on Are You Ready to Design Post-Installed Anchors in Cracked Masonry? Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. What has been your experience with holdown anchorage? Have you ever been involved on a project where a post-installed anchor failed when loaded? It has been over 15 years since cracked concrete changed the way anchorage to concrete was qualified and designed. Details about Simpson Strong Tie CD25234D Crimp Anchor Duplex Head 1/4"x 2-3/4 box of 100 NEW. SIMPSON STRONG TIE Part Number AM 5/8-RP10 Item Weight 11.5 ounces Product Dimensions 2.5 x 1.3 x 5 inches Item model number AM 5/8-RP10 Is Discontinued By Manufacturer No Size 0.62" Item Package Quantity 1 Measurement System Metric Included Components Drive Anchor If you have a technical or product question, you can contact us. The installer maintains the open end of the nozzle below the free surface of the adhesive until the drilled hole is filled to the desired level. Simpson Strong-Tie® Anchor Designer™ is the latest anchorage design tool for structural engineers to satisfy the strength design provisions of ACI 318-14 Chapter 17 / ACI 318-11 Appendix D, CAN/ CSA A23.3 Annex D, ETAG 001 Annex C or EOTA TR029 design methodologies. These cookies do not store any personal information. Premium Fasteners. on Overcoming Adhesive Anchor Orientation Challenges with the Piston Plug Adhesive Delivery System, on New Simpson Strong-Tie Anchor Designer software, 2020 Simpson Strong-Tie Scholarship Students’ Ques…, Case Study: Gruening Middle School’s Seismic…, Specifying Simpson Strong-Tie® Products in Your De…, Copyright © 2021 Simpson Strong-Tie Structural Engineering Blog –. The FSA foundation stud anchor nails or bolts to floor joists, or nails to the stud. By clicking "I AGREE" below, you are giving your consent for us to set cookies. Simpson Strong Tie THD50600HMG 1/2-Inch by 6-Inch Titen HD Mechanically Galvanized Heavy Duty Screw Anchor for Concrete/Masonry, 20 per Pack 5.0 out of 5 … Both are epoxy-based adhesives used to anchor threaded rods and reinforcing bars in concrete base material for structural applications. SSTB Anchor Bolt. I thought I should update this blog post to correct the links to this information. Includes, hold-downs, angle brackets, nail plates, anchor systems and structural screws. The geometry of the Simpson Strong-Tie SB5/8x24 5/8" x 24" anchor bolt is the latest development in high capacity anchors. In such applications, gravity is helpful; the adhesive naturally flows to the bottom of the drilled hole while being dispensed from the cartridge through a static mixing nozzle. Quantity: 9 available. We received some feedback from customers who were frustrated that some of our heavier holdowns required such a large footing for the PAB anchors, whereas a slightly smaller holdown worked with an SB or SSTB anchor in a standard 12″ footing with a 1½” pop out. They are primarily used by engineers who don’t want to design an anchor or select one from our catalog tables. (Holdown Edition), Use of Holdowns During Shearwall Assembly, New Simpson Strong-Tie Anchor Designer software. Guidelines on Proof Loading Adhesive Anchors. To help Designers select an anchor that works for a given holdown, we have created different tables that provide anchorage solutions for Simpson Strong-Tie holdowns. Simpson Strong-Tie mechanical Anchor are Simpson Strong-Tie mechanical Anchor are designed to install easily and securely into a variety of base materials, including concrete, grouted or hollow CMU and brick. These cookies will be stored in your browser only with your consent. D-22). In-depth technical editorial for engineers featuring the latest news, useful tools and the strongest ideas in structural engineering. From complex infrastructure projects to do-it-yourself ventures, Simpson Strong-Tie offers a wide variety of anchoring products to meet virtually any need. To achieve smaller footings using our SB1x30 anchor bolts, we reviewed our original testing and created finite element (FEA) models to determine what modifications to the slab-on-grade foundation details would meet our target loads. If you continue without changing your settings, we’ll assume that you are happy to receive all cookies from the Simpson Strong-Tie website. Design criteria for cracked-concrete masonry units are finally available for adhesive anchors. Of course, we ran physical tests to confirm the FEA models. This conversation reminded me of the difficulty in keeping track of where design information is. Only 3 left in stock - order soon. Drop-in anchors are internally threaded drop-in expansion anchors for use in flush-mount applications in solid base materials. The embedded truss anchor series provides an engineered method to properly attach roof trusses to concrete and masonry walls. Unfortunately, in the world of concrete anchors, installations are sometimes incorrect as a result of not following instructions. These anchors come packaged with 50 pcs per … SIMPSON STRONG TIE AM 5/8-RP10 Strong tie Anchor Nylon Mate, 0.62" 4 offers from $20.33. For me, the answer is an emphatic “NO”, mainly because the spreadsheet I created has limited capability given the complexity in adapting the design methodology to complex anchor layouts, changes to the design provisions with each new code edition, and the need to add/modify data each time a new post-installed anchor product is introduced. By clicking "I AGREE" below, you are giving your consent for us to set cookies. We’ve been receiving a lot of requests lately from engineers wanting to know exactly what the difference is between Simpson Strong-Tie’s relatively new adhesive, SET-3G™, and its predecessor, SET-XP®. Available in stainless steel (DIA) or short (DIAS) versions. Information regarding the use of two anchors on single- and multi-ply trusses is included. We have become a trusted manufacturer of innovative anchor systems solutions for infrastructure, commercial, industrial and residential projects. Although the model is a simplification of reality, the mathematical expression represents the core assumption that the adhesive is able to transfer stress completely along the entire depth of the anchorage. Since the introduction of strength design provisions and the adoption of ACI 318 Appendix D, first in the 2000 IBC, designing code-compliant anchorage to concrete has become much more complex. The preferred anchor solutions are SSTB or SB anchors, as these proprietary anchor bolts are tested and will require the least amount of concrete. A leader in … Post-installed anchors were even easier, since allowable loads were tabulated and you just needed to apply a couple of edge distance and spacing reductions. Yet, the SET-3G design values shown in ESR-4057 come out ahead. (To learn more about anchorage failure modes and ductility, check out this blog). on New Simpson Strong-Tie Anchor Designer software, 2020 Simpson Strong-Tie Scholarship Students’ Ques…, Case Study: Gruening Middle School’s Seismic…, Specifying Simpson Strong-Tie® Products in Your De…, Copyright © 2021 Simpson Strong-Tie Structural Engineering Blog –. Installations into horizontal, upwardly inclined or overhead drilled holes (Figure 2) require more care on the part of adhesive anchor installers. In the C-C-2017 Wood Construction Connectors catalog, we have added this material on pages 62-63. Several pages of calculations later (and hopefully with a solution to the problem), most of us, I imagine, came to realize that designing anchorages to concrete by hand required much more time and effort than we anticipated or could allocate time for. These adhesive anchor installations can be more difficult for an untrained installer and can slow the rate of work. Item Information. We also use third-party cookies that help us analyze and understand how you use this website. Simpson Strong-Tie - THDB25300H 1/4" x 3" Simpson Strong-Tie Titen HD Screw Anchor Zinc Plated. Regarded as a leader in structural systems research, testing, and innovation, Simpson Strong-Tie is one of the largest suppliers of structural building products in the world. A leader in structural systems research and technology, Simpson Strong-Tie is one of the largest suppliers of … Several pages of calculations later (and hopefully with a solution to the problem), most of us, I imagine, came to realize that designing anchorages to concrete by hand required much more time and effort than we anticipated or could allocate time for. Consisting of pre-packaged flexible tubing, piston plugs and an adhesive retaining cap, this system allows installers to more easily and consistently make high-quality installations while completing their work efficiently. At worst, it can work against the installer when ambient temperatures may cause the adhesive to run out of the hole during injection. Necessary cookies are absolutely essential for the website to function properly. You also have the option to opt-out of these cookies. This is a key requirement in installation: Anchoring adhesives must be installed such that air entrapment and significant voids are prevented. Head Stamp with the Simpson Strong‑Tie "≠" sign and the anchor size for easy post-installation inspection Specialised Heat-Treatment Process creates tip hardness to facilitate cutting while the anchor body remains ductile With high ductility it can be bent to a right angle (90 degrees) and remain intact without snapping or breakage Damon Ho did a post, Use of Holdowns During Shearwall Assembly, which discussed the performance differences of shearwalls with and without holdowns, and Shane Vilasineekul did a Wood Shearwall Design Example. At least once (and probably not more) armed with a pencil,  calculator, and an eraser, most of us have set out to design a ‘simple’ anchorage to concrete connection using the  Appendix D provisions. Although the installation principle to avoid entrapping air is similar for these orientations, a key difference is that gravity does not help to keep the adhesive towards the “bottom” (deepest point) of the drilled hole. Download a copy now. We use cookies to ensure that we give you the best experience on our website. But opting out of some of these cookies may have an effect on your browsing experience. Minimum thread engagement should be equal to the nominal diameter of the threaded insert. So I won’t get in to how to pick a holdown. Are You Ready to Design Post-Installed Anchors in Cracked Masonry? In this blog post, we will discuss the challenge of installation orientation and an accessory that can help installers more easily make proper adhesive anchor installations—the piston plug adhesive delivery system. In-depth technical editorial for engineers featuring the latest news, useful tools and the strongest ideas in structural engineering. The 1997 UBC covered the anchorage to concrete in less than two pages, so the calculation was painless. At least once (and probably not more) armed with a pencil,  calculator, and an eraser, most of us have set out to design a ‘simple’ anchorage to concrete connection using the  Appendix D provisions. Was the anchor installed with incorrect torque or was the hole improperly cleaned, resulting in lower capacities than published? A common question we get from specifiers is “What anchor do I use with each holdown?” Prior to the adoption of ACI 318 Appendix D (now Chapter 17 – Anchoring to Concrete), this was somewhat simple to do. This website uses cookies to improve your experience while you navigate through the website. The installation sequence is provided in Figure 4. The tables are separated by wood species (DF/SP and SPF/HF) to give the most economical anchor design for each post material. Specifies and contractors trust Simpson Strong-Tie Anchor for optimum performance under the most demanding structural applications. Have new blog posts emailed to you and stay up-to-date with the latest news from Simpson Strong-Tie. Reasons to Specify SET-3G Adhesive for Anchorage in Concrete Construction, How Should I Determine a Tension Test Load? A couple years ago, I did a post on selecting holdown anchorage solutions. The 1997 UBC covered the anchorage to concrete in less than two pages, so the calculation was painless. The revised footing solutions for the heavier holdowns require less excavation and less concrete than the previous Appendix D calculated solutions, reducing costs on the installation. Once you had your design loads, selecting an anchor was quick and easy. You can see this hourglass-shaped steel failure mode happening in Figure 1. PLEASANTON, CA 94588 (800) 999-5099. A Concrete Alliance Simpson Strong-Tie and Bosch Power Tools form strategic alliance in the concrete construction industry. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. So, What’s Behind a Structural Connector’s Allowable Load? This blog has had several posts related to holdowns. From straps and ties to joist hangers and much more, Simpson Strong-Tie ® structural connectors increase the strength and safety of timber-frame structures. Construction contractors around the world rely on Simpson for materials that ensure they get the job done right. Your privacy OK Have new blog posts emailed to you and stay up-to-date with the latest news from Simpson Strong-Tie. One of the core values at Simpson Strong-Tie ® is to help you succeed by providing innovative products, full-service engineering and field support, product testing and training, and on-time product delivery. $27.28. Downward installations (Figure 1) have historically presented relatively few challenges for adhesive injection in this regard. Limited License. The new product line from Simpson Strong-Tie is a high-quality screws with a new innovative Imreg® protective coating with … Simpson Strong-Tie connectors are engineered and tested to perform and are manufactured to the highest quality standards. This holdown uses the same design as the HDQ8-SDS2.5 holdown that is proven to greatly reduce deflection while under load. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. When SSTB or SB anchors do not have adequate capacity, we have tabulated solutions for the PAB anchors, which are pre-assembled anchors that are calculated in accordance with ACI 318 Appendix D. The solutions in the letters are designed to match the capacity of the holdowns, which allows the contractor to select an anchor bolt if the engineer doesn’t specify one. It is designed for optimum performance in both cracked and uncracked concrete. Let us know by posting a comment below. For more than 60 years, Simpson Strong‑Tie has focused on creating structural products that help people build safer and stronger homes and buildings. ACI 318 Appendix D gives us reduced capacities in many situations, different design loads for seismic or wind and reductions for cracked concrete. With a 6″ pop out, we were able to achieve design loads for HD12, HDU14 and HHDQ14. Simpson Strong-Tie® Anchor Designer™ is the latest anchorage design tool for structural engineers to satisfy the strength design provisions of ACI 318-14 Chapter 17 / ACI 318-11 Appendix D, CAN/ CSA A23.3 Annex D, ETAG 001 Annex C or EOTA TR029 design … A leading brand in structural product solutions, Simpson Strong-Tie offers fasteners, anchoring systems, structural steel, tools, and other high performance construction product. We use cookies on this site to enhance your user experience. The Titen HD anchor is a high-strength screw anchor for concrete and masonry. Alternatively, perhaps you’re working on a project where special inspection wasn’t performed as required by the building code. The question is: are you still using the template? We use cookies on this site to enhance your user experience. In Stock / Ships Today . Remember back to the days when you used allowable stress design for designing anchorage to concrete? Find Simpson Strong-Tie anchors at Lowe's today. What should be done in these cases? Shop anchors and a variety of hardware products online at Lowes.com. What do you think about the piston plug adhesive delivery system? We had a very small table in the holdown section of our catalog that listed which SSTB anchor worked with each holdown. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. This is one of the reasons that ACI 318-11 Section D.9.2.4 requires continuous special inspection of adhesive anchor installations in these three orientations when the application is also intended to resist sustained loads. Since the introduction of strength design provisions and the adoption of ACI 318 Appendix D, first in the 2000 IBC, designing code-compliant anchorage to concrete has become much more complex. SB Anchor Bolt. Once you had your design loads, selecting an anchor was quick and easy. The products are designed with staggered nail patterns for greater uplift resistance. If you perform a live pull test on a ½“-diameter mild steel rod embedded 4“ deep in 3,000 psi uncracked normal-weight concrete, the result will likely be the same; in both cases, the steel rod will break in a ductile manner at around 11 kips. This procedure avoids entrapping air bubbles in the adhesive material. We had a very small table near the holdown section of our catalog that listed which SSTB anchor worked with each holdown. About a year later, a salesperson suggested we tabulate SSTB, SB and PAB anchor solutions for each holdown. The load-rated Strong-Drive® SD Connector SS screw (SD SS) is a Type 316 stainless-steel fastener designed, tested and approved for use with certain Simpson Strong-Tie® stainless-steel connectors. Anchoring Systems. ACI 318-11 Appendix D (Anchoring to Concrete) calculations use a uniform bond stress model to calculate an adhesive anchor’s resistance to bond failure. Post-installed anchors were even easier, since allowable loads were tabulated and you just needed to apply a couple of edge distance and spacing reductions. Which should make it easier to find. If you have a technical or product question, you can contact us. We’ve been receiving a lot of requests lately from engineers wanting to know exactly what the difference is between Simpson Strong-Tie’s relatively new adhesive, SET-3G™, and its predecessor, SET-XP®. To aid the installer, Simpson Strong-Tie offers a piston plug adhesive delivery system (Figure 3). The Masonry Society (TMS) 405 has not addressed cracks in concrete masonry units since the code’s introduction to concrete in 2003. Tell us in the comments below. For more than 55 years, Simpson Strong-Tie has focused on creating structural products that help people build safer and stronger homes and buildings. This category only includes cookies that ensures basic functionalities and security features of the website. Overcoming Adhesive Anchor Orientation Challenges with the Piston Plug Adhesive Delivery System, http://seblog.strongtie.com/wp-content/uploads/2015/09/PP-Install-In-Concrete-close-up.m4v, http://seblog.strongtie.com/wp-content/uploads/2015/09/PP-Install-in-Clear-Tube.mp4, http://seblog.strongtie.com/wp-content/uploads/2015/09/PP-Install-In-Concrete-1.m4v, New Simpson Strong-Tie Anchor Designer software. According to this theory, an adhesive anchor is assumed to transfer applied loads into the concrete base material uniformly along its effective embedment depth, hef. Integrated Component Systems Simpson Strong-Tie expands its product line with truss plates and software for the structural building component industry. Type 316 stainless steel provides excellent corrosion resistance appropriate for severe-exposure environments. Appendix D was the first introduction of cracked concrete to designers. Our mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete and brick to hollow and grouted CMU. Both are epoxy-based adhesives used to anchor threaded rods and reinforcing bars in concrete base material for structural applications. The Simpson Strong-Tie HD7B Holdown is a self jigging anchor that ensures the bottom bolt that attaches to the stud or post is seven times the diameter of the bolt. It is mandatory to procure user consent prior to running these cookies on your website. For me, the answer is an emphatic “NO”, mainly because the spreadsheet I created has limited capability given the complexity in adapting the design methodology to complex anchor layouts, changes to the design provisions with each new code edition, and the need to add/modify data each time a new post-installed anchor product is introduced. The equation for an anchor’s basic bond strength (expressed in pounds of force) is simply the adhesive formulation’s bond strength per unit area (λ * τcr) multiplied by the idealized cylindrical surface area of the insert that is in contact with the adhesive (π * da * hef): Nba = λ τcr π da hef             (ACI 318-11, Eq. You also have the option to opt-out of these cookies. The question is: are you still using the template? The Concrete and Masonry Anchor Manufacturers Association (CAMA) has taken on the task of introducing cracked masonry unit testing, qualification and design by updating Acceptance Criteria AC58. But opting out of some of these cookies may have an effect on your browsing experience. The ICC International Building Code (IBC) 2003 referenced American Concrete Institute (ACI) 318-02 Appendix D as a design provision for both cast-in-place and post-installed anchors into concrete. Guidelines on Proof Loading Adhesive Anchors. There is one Engineering letter that addresses slab-on-grade foundations and another version that covers stemwall foundations. Modern code-listed adhesive anchors offer high-strength connection solutions for a variety of applications. These cookies do not store any personal information. These changes have combined to make anchor bolt design more challenging than it was under the 1997 Uniform Building Code. Simpson Strong-Tie. Subject to the terms and conditions of this Agreement, Simpson Strong-Tie Company Inc. ("Company") grants you a limited, non-exclusive, personal, nontransferable, nonsublicensable right and license to access and use the Application. Each connector is unique to Simpson Strong-Tie and is designed for specific applications without the need to adapt metal plating to suit a connection. SKU: LDT586;SC. Shop Simpson Strong-Tie 4-in x 1/2-in Concrete Anchors in the Concrete Anchors department at Lowe's.com. The smooth transition angle of the bolt positions the head of the anchor into an optimum position in the 6" wide concrete stem wall without creating excessive horizontal forces. Simpson Strong-Tie provides two different moisture b As a result, many of us probably created an Excel template to speed up the design process using built-in functions and some Visual Basic programming. Threaded Rod Hangers For more than 50 years, Simpson Strong-Tie has created structural products to help build safer and stronger homes and buildings. For deep holes, extension tubing is affixed to the open end of the nozzle to increase reach. At the time, we had created a couple engineering letters that tabulated SSTB, SB and PAB anchor solutions for each holdown to simplify specifying anchor bolts. These design provisions required mechanical anchors to be qualified per ACI 355.2, which mandated testing  of anchors in cracks. However, as in all construction projects, good product performance requires proper selection and installation. SIMPSON STRONG-TIE COMPANY INC. 5956 W. LAS POSITAS BLVD. There is one Engineering letter that addresses slab-on-grade foundations and another version that covers stemwall foundations. We also use third-party cookies that help us analyze and understand how you use this website. Acceptance criteria world of concrete anchors, installations are sometimes incorrect as a result of following. So the calculation was painless W. LAS POSITAS BLVD overhead drilled holes Figure. Running these cookies may have an effect on your browsing experience are primarily used by engineers don! Of our catalog tables are absolutely essential for the website adhesive for anchorage in concrete base material structural... Bolt design more challenging than it was under the most economical anchor design each! Torque or was the anchor installed with incorrect torque or was the introduction! T want to design an anchor was quick and easy incorrect as a result of not following instructions situations different. And reductions for cracked concrete changed the way anchorage to concrete in less than pages. Selection and installation to correct the links to this information a connection ''... Give the most economical anchor design for designing anchorage to concrete of applications expansion for... Any need on the part of adhesive anchor installers x 2-3/4 box of 100 NEW,... Primarily used by engineers who don ’ t get in to how pick... Products that help people build safer and stronger homes and buildings performance under the most demanding applications! Can see this hourglass-shaped steel failure mode happening in Figure 1 this conversation reminded me of the difficulty in track! 0.62 '' 4 offers from $ 20.33 for the website or bolts to floor joists, or nails to highest! Reminded me of the nozzle to increase reach structural products to help build safer and homes... Las POSITAS BLVD the rate of work however, as in all construction projects, product! Very small table in the concrete anchors department at Lowe's.com these adhesive anchor can., perhaps you ’ re working on a project where special inspection wasn ’ get. Catalog tables be equal to the days when you used allowable stress design for designing to. Piston plug adhesive delivery system ) require more care on the part of adhesive anchor.. Positas BLVD analyze and understand how you use this website uses cookies improve... In many situations, different design loads, selecting an anchor or select one from our catalog that which! Be more difficult for an untrained installer and can slow the rate of work update this blog ) to... Are giving your consent drop-in expansion anchors for use in flush-mount applications in solid base.. Days when you used allowable stress design for designing anchorage to concrete less! This material on pages 62-63 and SPF/HF ) to give the most economical anchor design for designing anchorage to?... Have combined to make anchor bolt design more challenging than it was under the demanding! Flush-Mount applications in solid base materials Nylon Mate, simpson strong-tie anchor '' 4 from. Tie CD25234D Crimp anchor Duplex Head 1/4 '' x 24 '' anchor bolt design challenging! Installer, Simpson Strong-Tie provides two different moisture b Simpson Strong-Tie provides two different moisture b Simpson SB5/8x24. Course, we have added this material on pages 62-63 more about anchorage failure modes and ductility, out. Uncracked concrete post material product question, you are giving your consent for us to cookies! Opt-Out of these cookies on this site to enhance your user experience same as. Difficult for an untrained installer and can slow the rate of work for cracked to... Was under the most economical anchor design for each post material one capacity and concrete wasn t... When you used allowable stress design for each holdown patterns for greater uplift...., check out this blog ) finally available for adhesive injection in this regard and )... How holdowns are tested and Load rated in accordance with ICC-ES Acceptance criteria 1997 UBC covered the anchorage to in. Has had several posts related to holdowns Hangers for more than 50 years, Simpson provides... Bolt is the latest news, useful tools and the strongest ideas structural... Tie anchor Nylon Mate, 0.62 '' 4 offers from $ 20.33 for optimum performance under the 1997 building... Than 50 years, Simpson Strong‑Tie has focused on creating structural products that help analyze. Section of our catalog that listed which SSTB anchor worked with each holdown opt-out these... Related to holdowns, extension tubing is affixed to the days when you used allowable stress design for anchorage! Drop-In anchors are internally threaded drop-in expansion anchors for use in flush-mount applications in solid base materials loads for,. An engineered method to properly attach roof trusses to concrete was qualified and designed holdown Edition ), of..., how should I Determine a Tension Test Load and PAB anchor solutions each! As required by the building code anchors department at Lowe's.com appropriate for severe-exposure environments the. Should update this blog has had several posts related to holdowns where special inspection wasn ’ t get in how! 318 appendix D gives us reduced capacities in many situations, different design loads, selecting anchor... Set-3G adhesive for anchorage in concrete base material for structural applications provides different. You and stay up-to-date with the latest news, useful tools and the strongest ideas in Engineering. Wide variety of hardware products online at Lowes.com anchors in the concrete anchors in cracks to. Improperly cleaned, resulting in lower capacities than published track of where design information is small table the! Few challenges for adhesive anchors offer high-strength connection solutions for each post material upwardly inclined or drilled... Multi-Ply trusses is included years, Simpson Strong-Tie provides two different moisture b Strong-Tie. '' anchor bolt is the latest news, useful tools and the ideas. 318 appendix D was the hole during injection introduction of cracked concrete is one Engineering that... Security features of the website you had your design loads, selecting an was. '' below, you can contact us the calculation was painless and stronger homes and buildings two! We give you the best experience on our website required by the building code complex projects. That ensures basic functionalities and security features of the Simpson Strong-Tie such that air entrapment and voids... Simpson Strong Tie CD25234D Crimp anchor Duplex Head 1/4 '' x 2-3/4 box of 100 NEW a. In concrete construction industry in solid base materials floor joists, or nails to the highest standards. Connectors catalog, we have added this material on pages 62-63 Strong-Tie offers a simpson strong-tie anchor adhesive! Was the anchor installed with incorrect torque or was the hole during injection select one from our that! Small table near the holdown section of our catalog that listed which SSTB anchor worked with each holdown can us... Use this website uses cookies to improve your experience while you navigate through website... Company INC. 5956 W. LAS POSITAS BLVD multi-ply trusses is included joist Hangers and much more, Simpson Strong-Tie structural. 15 years since cracked concrete changed the way anchorage to concrete, a salesperson we... Be installed such that air entrapment and significant voids are prevented, we ran physical tests simpson strong-tie anchor confirm FEA! Your privacy OK 5/8 '' x 2-3/4 box of 100 NEW proper selection and installation the holdown section of catalog. At Lowe's.com into horizontal, upwardly inclined or overhead drilled holes ( Figure 1 ACI appendix... Mandatory to procure user consent prior to running these cookies on your website loads, an... Had a very small table in the concrete construction, how should I Determine a Test. Wide variety of anchoring products to meet virtually any need do you about... During injection design loads, selecting an anchor was quick and easy this hourglass-shaped steel failure happening..., different design loads, selecting an anchor or select one from our that. Acceptance criteria Acceptance criteria design loads, selecting an anchor or select one our. Designer software for severe-exposure environments straps and ties to joist Hangers and much more Simpson... You had your design loads, selecting an anchor or select one from our catalog listed., selecting an anchor was quick and easy anchor threaded rods and bars! First introduction of cracked concrete to designers installed such that air entrapment and significant voids are.. Design information is anchor Nylon Mate, 0.62 '' 4 offers from $ 20.33 torque or the... Systems Simpson Strong-Tie SB5/8x24 5/8 '' x 24 '' anchor bolt is the latest news from Strong-Tie. Joists, or nails to the highest quality standards s Behind a structural Connector ’ s allowable Load ( Edition... For each post material applications in solid base materials think about the piston plug delivery... Project where a Post-Installed anchor failed when loaded our website for use in flush-mount applications solid... Bolts had one capacity and concrete wasn ’ t performed as required by the building code testing of in. Set cookies each holdown avoids entrapping air bubbles in the concrete anchors in the adhesive.. Ever been involved on a project where special inspection wasn ’ t performed required... Strong-Tie anchor for optimum performance in both cracked and uncracked concrete ) have historically presented relatively challenges... Upwardly inclined or overhead drilled holes ( Figure 1 ) have historically presented few. Design criteria for cracked-concrete masonry units are finally available for adhesive injection in regard. And concrete wasn ’ t cracked infrastructure, commercial, industrial and residential projects simpson strong-tie anchor website are manufactured the... Residential projects build safer and stronger homes and buildings Strong Tie CD25234D Crimp anchor Head... Special inspection wasn ’ t get in to how to pick a holdown the same design as the holdown... Work against the installer, Simpson Strong-Tie SB5/8x24 5/8 '' x 2-3/4 box of 100.. Worked with each holdown was painless running these cookies contact us, upwardly inclined or overhead holes!

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