They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures. Minimize number when conditions permit, the bridge engineer should eliminate expansion joints and tie the approach slab into the superstructure. For further information download our pdf file on the girder grid expansion joint system click here. Work includes existing joint removal, placing materials for replacement joint, and sealing joint. Strip seal expansion joints are susceptible to tears and pull outs. Rubber buffings for bridge approach expansion joints, mlr01. View underneath max wilder bridge showing result of leaky joint seal. Knowledge of this effective temperature enables the bearings or expansion joints to be set at their correct positions within the design temperature range. Goodco ztech expansion joints are customdesigned and fabricated to accommodate the structural movements of highway bridges, multilevel parking garages as well as various civil engineering works such as dams, airports and others. This chapter presents ndot criteria for the design and selection of expansion joints in bridges. In studies reported in phase 1, various laboratory tests were conducted to evaluate the performance of the sealant using.
Expansion and contraction caused by temperature changes, shortening and creep caused by prestressing, deflections caused by live loads, and longitudinal forces. Maurer girder grid expansion joint system for further information download our pdf file on the girder grid expansion joint system click here maurer swivel expansion. Bridge deck joints and deck joint seals introduction although often thought of as static, highway structures are continually in a state of motion. For expansion distance less than 1500, dimension opening at 2 inches at all temperatures. Please utilize the search function to locate items of interest. The bridge was originally designed with four single spans, which were simply supported on concrete piers. The next part of the sheet number is a two letter id which is used to group sheets with a similiar theme ex. Pdf modular bridge expansion joint specifications and. For further information download our pdf file on the swivel expansion joint system click here maurer betoflex expansion joint. Structural expansion joints 2162017 10 precompressed foam expansion lengths. Accommodate deck expansion and contraction caused by. Watford bridge waterproofing and expansion joint replacement. Enquiries annex a requirements for departmental type approval of bridge deck expansion joints.
Infrastructure preservation through watertight bridge expansion joints. Eliminating expansion joints in bridges aspire bridge. Expansion joint bridge expansion, compression seal. Replacement joint includes a header type expansion joint with seal unless otherwise approved by the engineer. Rubber buffings for bridge approach expansion joints, mlr. Strip seal expansion joints consisting of a steel extrusion and neoprene gland are one type of expansion joint and are commonly used by the iowa department of transportation dot. Pdf modular bridge expansion joint specifications and load. Types of joints open allow water and debris to pass through closed created to block debris and water classified into categories based on movement range. Expansion and contraction caused by temperature changes, shortening and creep caused by prestressing, deflections caused by. Department of transportation, miscellaneous design, in bridge design manual.
Expansion joints september 2008 191 chapter 19 expansion joints lrfd article 14. Bd sheets are intended to show how the typical parts that make up a bridge are to be detailed. This page contains a listing of all the approved bridge detail bd sheets that have been issued. Goodco ztech expansion joints prevent structural damage. Many of the bridges in the state of iowa have type cf, ee, or ef expansion joints installed in the bridge approach slabs. Orf bridge solution offers a variety of expansion joints to suit a wide range of movement and gaps between bridge decks. Bridge preservation through low cost, watertight joint solutions. The flexible header of wabocrete ii coupled with wabosiliconeseal make it an ideal expansion joint system for the new construction or repair of existing joints. Crete siliconeseal system is a high performance expansion joint system utilizing a dynamic twopart sealant between impact absorbing elastomeric concrete headers. Common issues with expansion joints read through the site to learn more about expansion joints and the wabo range. Deck movements were accommodated by expansion joints at all pier locations, with a 25 mm gap between spans. If it is not possible to measure the movement of the deck, an alternative, but less accurate, means of estimating the bridge temperature, similar to that used for concrete bridges, is described.
Bridge deck expansion joints are one of those items that listed on the list of rta approved bridge components. A photograph of a modular expansion joint installation is shown in. For expansion distance greater than or equal to 1500, dimension opening at 112 inches at 90 f. Bridge temperatures for setting bearings and expansion joints.
Manual for roads and bridges nra dmrb and the nra manual of contract documents for. Augusta 3rd bridge both these joints are located at abutments. The following general criteria apply to all expansion joints in bridges. Several state highway agencies sha have joints that they believe are superior. Properly functioning bridge expansion joint systems accommodate these move. A working group was set up by the county surveyors society css and transport research laboratory trl working party on highway research to try to improve the consistency of performance and value for money of expansion joints, reducing the incidence of premature failure and leakage. They are commonly found between sections of buildings, bridges, sidewalks, railway. Strip seals and armored expansion joint systems, includ ing preformed neoprene seals, with 12 to 4 in. One solution to potential maintenance problems associated with expansion joints is to use construction procedures that eliminate the joints from the bridge deck. Therefore, it is extremely sensitive to errors of various natures. Expansion joints for use in highway bridge decks contents chapter 1. Expansion joint bridge expansion, compression seal joints.
The two most commonly used methods are called integral and semiintegral construction. Many state highway agencies allow eliminating expansions joints for bridges that are less than 350 ft long with steel eliminating expansion joints in bridges by dr. Bas expansion joints nz buildings bridges carparks. Expansion joints accommodate the expansion and contraction of bridges due to temperature variations. Expansion joints ensure the continuity of bridge traffic while ensuring a watertight seal on the deck. Special specification 7197 bridge expansion joint repair 1. Arfen steel bridge expansion joints are consisting of a waterproof rubber gasket and steel profiles to absorbe movements. Bridge joint locations bridge bridge joint another bridge joint, way down here. This system can be manufactured according request of customer by using extrusion profiles or welded profiles. Modular expansion joint systems including finger and sliding plate dams, with 2 to 16 in. Since revisions or additions to the design file drawings may occur at any time, the receiver agrees to indemnify, defend and hold harmless wsdot, its officers, agents, and employees from and against any and all claims, suits, losses, damages or costs, including reasonable attorneys fees, arising from the use of outdated design file drawings. Lessen the chance of bridge decks cracking and buckling due.
Pdf selection of bridge expansion joints researchgate. Primary vertical construction joints expansion, control and isolation joints retrofit and seismic joints precast concrete walls, tiltup walls dryvit exterior panel systems masonry, granite, metal, eifs, curtain walls. The location of the lists of approved components can be found in bridge technical direction btd200811 issued for this purpose. Silicoflex was developed out of the need for a joint sealing system that was easy to install and offered a long, effective sealing life. Scope bridge deck expansion joints are divided into the following three groups. However we strongly recommend completing the checklist below and sending it through to us so we can ensure you have the best solution for your project. Provide for the repair and replacement of bridge expansion joints. Open this pdf file in adobe reader fix exp fix exp fix exp fix exp fix exp a a b a. Steel used in the edge of the joint element, and all the anchor elements anchor plates, anchor hoops minimum din. An expansion joint or movement joint is an assembly designed to hold parts together while safely absorbing temperatureinduced expansion and contraction of building materials, and vibration, or to allow movement due to ground settlement or seismic activity. Bridge expansion joint locations bridge joint crappy old bridge, being torn down. Expansion joints and bridge accessories for serious construction projects bas expansion joints nz has partnered with quality international manufacturers wabo and techstar inc. Emseals bridge solutions have been repeatedly recognized nationally by many certifying organizations for innovation and design. When joints leak on steel, it doesnt take long for salt water to corrode load carrying members.
Silicoflex was developed out of the need for a joint sealing system that was easy to install and offered a long, effective sealing life silicoflex has sealed the void for providing a system that contains both of these features and has become a. Job county sect dist revisions txdot txdot jtr jmh highway sheet no. Over time the sealant begins to pull off of the walls of the joint and it ultimately fails. Small movement expansion joints in the northeast past experience and stateofthepractice. Allow bridge to expand and contract w temperature changes. Full text of structural bearings and expansion joints for. Pdf on jan 1, 2004, ana mandic ivankovic and others published selection of bridge expansion joints find, read and cite all the research you need on. The northeast bridge preservation partnership nebpp contracted with the university of delaware to carry out an investigation and report on the stateofthepractice with small movement expansion joints in the 12 partnership agencies. Gsi highway products is the exclusive texas distributor of rj watsons innovative sealed expansion joint system, the silicoflex joint sealing system. Expansion joints shall not be placed on new bridge decks without a.
Dahir, pennsylvania state university, middletown, pa. The complex rubbermetal composite structure of the orf expansion joints facilitates in accommodating the displacement and rotation of the concrete structures relative to each other in all. Rfp without negotiation watford bridge waterproofing and expansion joint replacement page 4 of 28 part 1 invitation and submission instructions 1. Trafficgrade horizontal joints primary vertical joints curtain walls, windows and flashing control, longitudinal and transverse joints dryvit and exterior panel system joints precast concrete and builtup walls firerated joints seismic, large and retrofit joints belowgrade applications. Pdf standard bridge drawing in adobe portable document format dgn standard bridge drawing in microstation design file format sup. Interface between the bridge deck and approach slab.
Bridge design specifications aashto lrfd specifications for maximum bridge length allowed without expansion joints. For anyone involved in bridge, dot or roadway management, maintenance, design, or installation. Reinforced resin expansion joint for complex buildings and car parks designed specifically to provide waterproofing continuity across expansion gaps in complex building projects, the system consists of a two component, liquid applied, solvent free, reinforced resin membrane applied insitu to form a highly flexible expansion joint. But, once this old style of bridge design was substituted with a modern concept, mechanical movement joints became an important feature, hence extensive. Bridge location mile marker lane direction citystate bridge name description 5step bridge checklist complete 1 bridge checklist per joint ipad usage note. Fancy new bridge this joint is located at an abutment. Pdf an expansion joint represents a discontinuity point in a road pavement. Bridge lines, bridge fonts pdf, 267kb bridge font true type font format. Bridge deck expansion joints transportation research board. C txdot o f s t h i s s t a n d a r d t t o d o t h e r and d. Expansion joints for use in highway bridge decks tii publications. Special specification 7197 bridge expansion joint repair.
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