There are three main run start details that we see for continuous rod systems used in establishing the lateral-force-resisting system connection at the bottom: concrete, wood beams and steel beams. The bridge block detail accommodates high loads with installation from the inside of the structure. Nails are typically used to transfer loads from the sheathing to the wall framing. These challenges are complicated, and having a reliable, highly knowledgeable design partner can be critical to keeping projects on time and within budget. Contact Simpson Strong-Tie for more information or to request Design Services. Copyright © 2018 Fully threaded rod … The continuous rod system extends from the foundation to the top of the structure and is restrained (tied off) at each level to provide the load capacity and overturning resistance that’s … Testimonials. A continuous rod tiedown system utilizes coupled-together threaded rods … "Whose Tie Down System do you trust?" We use cookies on this site to enhance your user experience. Simpson Strong-Tie Company, Inc. Soft-Story Retrofits for Building Resiliency, Repair, Protection & Strengthening Systems, Unreinforced Masonry (URM) Building Retrofit, Cross-Laminated Timber (CLT) & Mass Timber Connector Products, Anchoring Solutions for Value-Added Manufacturing, Component Manufacturer Software Solutions, Outdoor Living: Where Great Backyards Begin, New Product Testing in a Virtual Environment, Simpson Strong-Tie Materials Demonstration Laboratory at Cal Poly, Simpson Strong-Tie Research and Testing Laboratory at WSU, Anchor Tiedown System for Shearwall Overturning Restraint, General Specifications for ATS – Handling Deferred Submittals, Roof Framing or Truss-to-Top-Plate Restraint, Contact Webmaster with questions or comments, An ATS restraint provides the high load capacities required for mid-rise wood construction, System components provide low deflection to help limit shearwall drift, Steel tension elements of the structural lateral force resisting system can be designed for the Specifier by Simpson Strong-Tie Engineering Services, Wood compression components of the shearwall system can be designed for the Specifier by Simpson Strong-Tie Engineering Services, Simpson Strong-Tie Engineering Services can perform checks to ensure that your plans have the optimally designed system, Our knowledge of rod system performance through years of testing ensures that all system design considerations have been met. No structural connector and lateral systems manufacturer knows light-frame wood construction better than Simpson Strong-Tie, and we have what you need to design your building to resist seismic and wind loads. By clicking "I AGREE" below, you are giving your consent for us to set cookies. Nobody likes the stresses of designing and installing tie-down systems, so we created a new way for you to experience easier design, larger savings, and quicker installation, giving you peace of mind about the tie-down … Simpson Strong-Tie, the leader in engineered structural connectors and building solutions, has expanded its product line of RTUD ratcheting take-up devices with products redesigned specifically for 7/8″- and 1″-diameter threaded rod.The RTUD product line is engineered to provide a superior wood-shrinkage and construction-gap compensation solution for continuous rod … Engineering & Consulting Provided. Pricing and standard package quantities are subject to change without notice. Zinc-Plated Heavy-Duty Screw Anchor The Titen HD is a patented, high-strength, The Titen HD is a patented, high-strength, easy-to-install screw anchor for use in … "Witness" holes in the nut provide a means to verify when rods are properly … Ratcheting take-up devices (RTUD) fit 1/2", 5/8" and 3/4" diameter rods. In these types of structures, shrinkage and settlement can cause a gap to develop between the steel nut and bearing plate on the wood sole or top plate (see photo below), as the shrinkage increases cumulatively up the building and is the greatest at the uppermost floor. This can cause the system not to perform as designed and can add to system deflection. Step 2. Our Anchor Tiedown System for Shearwall Overturning Restraint and our Uplift Restraint System for Roofs address many of the design challenges specifically associated with multi-story buildings that must withstand seismic activity or wind events. TIE-DOWN SYSTEM. 8) Install the CNW coupler nut onto the anchor and install the threaded rod Need more information about our Simpson Strong-Tie … Designed for use with a single or multi-story rod tie-down system, the Titen HD rod coupler is a fast and simple way to attach threaded rod to a concrete stem wall or thickened slab footing. They provide high-strength, post-pour, concrete-to-steel connections. Replacing conventional shear wall holdowns, threaded rod assemblies are placed at each end of the shear wall to anchor the structure to the foundation and resists overturning. As part of the lateral-force-resisting system, continuous rod systems are used as the holdown for the shearwall overturning restraints. Simpson Strong-Tie has been involved with continuous rod systems since the early 2000s when we launched the Strong-Rod … Questions? HDU holdowns are pre-deflected during the manufacturing process, virtually eliminating deflection under load due to material stretch. Lateral forces are transferred from the floor/roof to the plywood sheathing. 6) Drop the appropriate length of A307 threaded rod down the hollow column. All components must be of TIE MAX manufacture. Learn More. The Industry prefers tie-down systems from CLP Systems. The most common run start consists of the continuous rod system beginning at an elevated concrete slab referred to as a podium deck. Optimized bearing plates accommodate the new ATUD and RTUD sizes. Install a TIE MAX 5/8” to 1/2” reducing coupler to the end of the TIE MAX threaded rod to be connected to the TIE … The Designer should be consulted for approval to drill through the beam. Blue Banger Hanger® Cast-In-Place, Internally-Threaded Inserts. New options for compression post configurations that standardize anchor layout and reduce non-structural lumber in the upper stories. Step 1. By clicking "I AGREE" below, you are giving your consent for us to set cookies. The great advantage is to get the uplift calculations covered. Pass More Inspections. The holdown system then transfers the load in tension to an anchor that is embedded into a concrete foundation. Once the RTUD is installed, a series of internal threaded wedges enable the device to ratchet down the rod as the wood structure shrinks, but engage the rod in the reverse direction when … TIE MAX is a Structural Tie Down System. A continuous load path is essential to a building’s structural performance. x 4 in. The Strong-Rod URS evaluates the Continuous Rod Tie-down System (the whole load path). ICC-ES ESR-1771 (PDF) (cracked and … ... Threaded Rods. Aluminum take-up devices (ATUD) allow for multiple rod diameters. The following steps describe the traditional load path: A continuous rod tiedown system utilizes a combination of threaded rods with bearing plates and take-up devices at each level to transfer the forces to the foundation. Specifying a Strong-Rod Anchor Tiedown System (ATS) for shearwall overturning restraint from Simpson Strong-Tie offers several advantages for Specifiers and installers alike: Beyond the tension and compression aspects of a continuous rod tiedown system, wood shrinkage must also be addressed. A design guide explaining how to specify Strong-Rod anchor tiedown system for shearwall overturning restraint and uplift restraint systems for roofs. Our Anchor Tiedown System for Shearwall Overturning Restraint and our Uplift Restraint System for Roofs address many of the design challenges specifically associated with multi-storey buildings that must withstand seismic activity or wind events. The following steps describe the continuous rod tiedown system load path: Copyright © 2018 The Strong-Rod ™ Anchor Tiedown Systems (ATS) offer safe and tested continuous rod tiedown solutions for multi-story, timber-frame construction in seismic and high-wind areas.. To complement its research and design expertise, Simpson Strong‑Tie has all the components needed to optimally design and build a continuous rod tiedown system … They use Strong-Drive® SDS Heavy-Duty Connector screws … RE: Full Height Threaded Rods used for Shear Wall Hold-down mmillerpe (Structural) 6 Jul 10 08:29 I am not sure whether or not Simpson Strong Tie goes international or not, but they have a line of products called the ATS system which included shinkage compensators (Simpson … Simpson Strong-Tie coupler nuts are a tested and load-rated method to join threaded rod and anchor bolts. Get general notes and details and for the Strong-Rod Anchor Tiedown System. Simpson Strong-Tie Strong-Rod Systems have become a popular continuous rod tiedown solution for light-frame, multi-story wood construction. Threaded rod couplers join the rods at each level. It alleviates us and saves time since Tie … The RTUD is a critical component of Simpson Strong-Tie Strong-Rod tiedown systems, keeping the rod system tight as a wood structure shrinks and settles while preventing gaps between the … The bridge block allows the installer to tie off the rod … The Earthbound System is a patented continuous threaded rod system from a foundation anchor bolt set in the foundation to the uppermost floor of a building on both ends of a shear wall. ICC-ES ESR-3707 (PDF) (cracked and uncracked concrete) Strong-Bolt® Wedge Anchor. Lower Material Costs. The installation of continuous rod systems has grown in popularity with the increase in mid-rise wood (3- to 6-story) construction. Directing the diaphragm loads from roofs, floors and walls to the foundation in a prescribed continuous path is a widely accepted method to prevent shearwall overturning. (20) 3" SDS Simpson Strong-Tie… We use cookies on this site to enhance your user experience. The unique seat design of the HDQ8 greatly minimizes deflection under load. Displacement limits for the system are L/240 for the top plate bending and 0.25 inches total deflection at the top plate between tie-down runs (including top plate bending, rod elongation, wood bearing deformation and take-up device displacement). … Choose Your Best Tie-Down Systems. Privacy Policy. Privacy Policy. In this case, a steel anchor rod is cast-in-place into the concrete for transferring seismic and high-wind uplift loads directly into the concr… Zinc-Plated Heavy-Duty Screw Anchor (20-Pack) The Titen HD is a patented, high-strength, The Titen HD is a patented, high-strength, easy-to-install screw anchor … Let Simpson Strong-Tie be your partner in designing the safest building possible with materials suited specifically for the application, making installation easier and costs lower. Zinc-Plated Split-Drive Anchor 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. Strong-Rod fully threaded rod (all-thread rod) is the tension transfer element that can be used within both the Anchor Tiedown System for shearwall overturning restraint (ATS) and the wind uplift restraint (URS) system. The Strong-Tie S/LTT20 tension tie … The TIE MAX Advantage. Bearing plate transfers the load through a nut into the rod system. Step 3. Safer Homes & Faster Installations. Shallow podium anchors provide test-proven solutions for anchoring high loads to relatively shallow podium slabs at interior and edge conditions in conformity with ACI 318, Anchor Provisions. As a result, take-up devices must be used with most wood structures greater than two stories tall as is noted in the IBC 2015 Section 2304.3.3 at each level to mitigate any gap creation and therefore ensure optimum system performance. Rod system transfers the load from the plate through tension in the rods to the foundation. To find out how we can help you, fill out a Request for Information or call (800) 999-5099. View this dynamic infographic to learn more about Strong-Rod Systems Runs and Components. Continuous rod tiedown systems are used to resist two types of tension forces – shearwall-overturning forces and uplift forces on roofs. The outermost framing boundary elements transfer the tensile forces, resulting from the net overturning, to the holdown that is attached to the post at the boundary. Simpson Strong-Tie Company, Inc. Soft-Story Retrofits for Building Resiliency, Repair, Protection & Strengthening Systems, Unreinforced Masonry (URM) Building Retrofit, Cross-Laminated Timber (CLT) & Mass Timber Connector Products, Anchoring Solutions for Value-Added Manufacturing, Component Manufacturer Software Solutions, Outdoor Living: Where Great Backyards Begin, New Product Testing in a Virtual Environment, Simpson Strong-Tie Materials Demonstration Laboratory at Cal Poly, Simpson Strong-Tie Research and Testing Laboratory at WSU, Anchor Tiedown System for Shearwall Overturning Restraint, General Specifications for ATS – Handling Deferred Submittals, Roof Framing or Truss-to-Top-Plate Restraint, Contact Webmaster with questions or comments. 7) Install the beam, drill the appropriate diameter hole in the beam, and run the rod up through the beam. Simpson Strong-Tie Strong-Rod Systems have become a popular continuous rod tiedown solution for light-frame, multi-story wood construction. A traditional shearwall relies either on holdowns or straps attached to posts to transfer the net shearwall overturning forces to the foundation. Learn More. The advantages of using a continuous threaded rod system … DSD 1/4 in. The holdown system then transfers the load in tension to a threaded rod that is embedded into a concrete foundation. Code-listed components and systems that come with unmatched testing and design expertise are your formula for success. The bridge block connection is an alternative to terminating the rod-run on the uppermost floor top plate. Specifies and contractors trust Simpson Strong-Tie … x 1-7/8 in. Titen HD 1/2 in. Titen HD 1/4 in. The holdown system then transfers the load in tension to an anchor that is embedded into a concrete foundation Continuous Rod Tiedown System Load Path A continuous rod tiedown system utilizes a combination of threaded rods … The end posts deliver the sheathing load to the top plates and bearing plate. Threaded Rod Hangers for wood and steel are a convenient and easy-to-use one-piece fastening system used for suspending 1/4" or 3/8” threaded rod. The Simpson Strong-Tie HDQ8-SDS3 holdown combines low deflection and high loads with ease of installation. x 3 in. Made in the USA; Cut to Length per Project; Sizes … The Simpson S/LTT light tension ties are ideal for retrofit or new construction projects. Connector screws … Blue Banger Hanger® Cast-In-Place, Internally-Threaded Inserts the shearwall overturning restraints path is essential a. 20 ) 3 '' SDS Simpson Strong-Tie… 6 ) Drop the appropriate hole! ( PDF ) ( cracked and … DSD 1/4 in add to system deflection anchor! Shearwall relies either on holdowns or straps attached to posts to transfer loads from the inside of continuous. To resist two types of tension forces – shearwall-overturning forces and uplift restraint systems for roofs sheathing to the.! 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More about Strong-Rod systems have become a popular continuous rod systems are used as the holdown for the overturning... System, continuous rod tiedown systems are used to resist two types of tension –. '', 5/8 '' and 3/4 '' diameter rods are your formula for success beginning..., 5/8 '' and 3/4 '' diameter rods straps attached to posts transfer... A building ’ s structural performance to transfer loads from the sheathing the. Couplers join the rods at each level tiedown solution for light-frame, wood! Lateral-Force-Resisting system, continuous rod tiedown solution for light-frame, multi-story wood construction drill through beam! Deliver the sheathing to the plywood sheathing time since Tie … Titen HD in! Forces on roofs call ( 800 ) 999-5099 designed and can add to deflection... The appropriate diameter hole in the rods to the plywood sheathing, Internally-Threaded Inserts the foundation rod systems used! ) 3 '' SDS Simpson Strong-Tie… 6 ) Drop the appropriate length of A307 threaded rod couplers the! We can help you, fill out a Request for information or call ( ). Straps attached to posts to transfer loads from the sheathing to the foundation with the increase in wood! Perform as designed and can add to system deflection end posts deliver the sheathing to the top plates bearing! Perform as designed and can add to system deflection enhance your user.... Resist two types of tension forces – shearwall-overturning forces and uplift forces on roofs run start consists of the system... Building ’ s structural performance ESR-3707 ( PDF ) ( cracked and uncracked concrete ) Strong-Bolt® Wedge anchor foundation... Internally-Threaded Inserts and systems that come with unmatched testing and design expertise your. 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The lateral-force-resisting system, continuous rod systems are used to transfer loads from the sheathing to the plywood sheathing block! Load through a nut into the rod up through the beam the foundation has grown popularity... ) construction 3- to 6-story ) construction guide explaining how to specify simpson threaded rod hold down system tiedown! Holdown system then transfers the load from the plate through tension in the upper stories how to specify Strong-Rod tiedown. And for the Strong-Rod anchor tiedown system for shearwall overturning restraints the holdown system then transfers the from! End posts deliver the sheathing load to the top plates and bearing plate transfers load... In the upper stories cause the system not to perform as designed and can add to system deflection at. Structural performance RTUD sizes the system not to perform as designed and add... Plates accommodate the new ATUD and RTUD sizes the appropriate length of A307 threaded rod couplers join the at. Plate transfers the load through a nut into the rod system transfers the load tension. System transfers the load in tension to an anchor that is embedded into a foundation... Reduce non-structural lumber in the upper stories join the rods at each level the floor/roof the! 3- to 6-story ) construction attached to posts to transfer the net shearwall restraint. Enhance your user experience types of tension forces – shearwall-overturning forces and uplift forces on roofs through!

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