Special specification 7197 bridge expansion joint repair. Bridge design specifications aashto lrfd specifications for maximum bridge length allowed without expansion joints. Pdf modular bridge expansion joint specifications and load. Radflex is a leading supplier and installer of expansion joint systems worldwide.
It has influence on durability and reliability of bridge expansion joints which are often. View underneath max wilder bridge showing result of leaky joint seal. The silicoflex joint sealing system is an innovative highway and bridge expansion joint system that is cost effective, easy to install and offers a long, effective sealing life. Sealed expansion joint systems provide barriers preventing runoff water and deicing chemicals from passing through the joint onto bearing and substructure elements below the bridge deck. State of the practice southeast bridge preservation partnership april 14, 2011 raleigh, nc presented by michael c. It is designed to handle harsh environmental conditions and features greater movement capability, better low temperature flexibility and higher temperature stability than other technologies. Resealing bridge construction joints with low modulus hot poured rubber 12ct602a035 resealing bridge end joints with low modulus silicone 12ds602i145 michigan bridge capital scheduled maintenance manual. 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. Manual for roads and bridges nra dmrb and the nra manual of contract documents for. In the event that expansion joints are approved for use on a new bridge structure, they must meet the following requirements.
Name companyagency date phone fax email bridge location mile marker lane direction citystate bridge name description 5step bridge checklist complete 1 bridge checklist per joint ipad usage note. Bearings and expansion joints chapter 9 wsdot bridge design manual m 2350. Deck selection guide deck expansion joint systems watertight, trafficable for parking, car park, stadium and other decks. Allow bridge to expand and contract w temperature changes. It is highly resistant to deterioration from exposure to weather, sunlight, oils and impact. Work includes existing joint removal, placing materials for replacement joint, and sealing joint. Design requirements and longitudinal deck expansion joints.
It is adot bridge groups policy to promote the design of bridges with minimal number of joints. Shenton iii university of delaware department of civil and environmental engineering center for innovative bridge engineering. Multiply the distance between expansion joints times 12 to convert to inches times the coefficient of expansion 0. Typically acb joint has been detailed for use with psc plank beam style bridge structures predominantly used in queensland. Survey of past experience and stateofthe practice in the. Crete siliconeseal system is a high performance expansion joint system utilizing a dynamic twopart sealant between impact absorbing elastomeric concrete headers. Pdf selection of bridge expansion joints researchgate.
Expansion joints september 2008 191 chapter 19 expansion joints lrfd article 14. To download the cadd file for a particular bd sheet microstation version 8 format, click on the link below the group listing. Flexicraft industries expansion joints and all flexible. In this scenario steel finger joints can be used for the vehicular traffic and cyclist friendly expansion joints with appropriate movement range used for cyclist traffic.
Expansion joints for use in highway bridge decks tii publications. The special anchorage is generally used for very high traffic volumes or in applications subject to snowplow hits. Bridge design specifications for the design and selection of bridge expansion joints, bearings and restraining devices. It is designed to handle harsh environmental conditions and features greater movement capability, better low temperature flexibility. Pdf standard bridge drawing in adobe portable document format.
An expansion joint represents a discontinuity point in a road pavement. This page contains a listing of all the approved bridge detail bd sheets that have been issued. Rjw finger joints for are cantilevered or simply supported steel tooth bridge expansion joints. Determines the mr movement rating of all bridge expansion joints and prepares the joint movements calculations sheets. Strip seals of which acar is the prime example are identified as having the smallest proportion of poor or failed joints with the sample size being relatively large. Permanent, for use on bridges with concrete wearing surfaces. Mageba usa modular expansion joints, single gap expansion joints, cantilever finger joints, sliding finger joints, mat type joints.
Initially, the primary source for these documents were academic resources such as. Only approved components should be used in rta funded projects or projects that will become property of rta. Expansion joint bridge expansion, compression seal joints. Due to various restrictions on placing files in this manual onto the. Integral abutments shall be used for a new structure in accordance with the geometric limitations provided in figure. Design bridge expansion joints guidance material item 454 geometric constraints deck continuity is encouraged joint elimination should be considered sealing of joints typically always recommended deicing zones grade separations design criteria thermal expansion. Primary horizontal expansion joints with vehicular traffic parking garages, road and bridge joints plaza decks on grade. A provisional sum will be allocated to allow for repairs to the concrete. Expansion joints are called for on many waterline bridge crossings.
Structural expansion joints 2162017 1 structural expansion joints stephanie wagner, pe bridge design engineer at indot february 16, 2017 whats the big deal. Expansion joint bridge expansion, compression seal. The two most commonly used methods are called integral and semiintegral construction. Bridge expansion joint cad details bejs bridge expansion. It provides a watertight, dustproof, airtight, uv stable, chemically resistant, soundproof, and insulated seal. Therefore, it is extremely sensitive to errors of various natures, which lead to the development of anomalies that. Structure and bridge division for the design and detailing of bridge deck expansion joints. 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. Expansion joints are movable joints between the bridge superstructure and the abutment or between two. Dynamic anomalies in a modular bridge expansion joint. The pipeline expansion joints are typically located at abutments and, depending on the bridge design and length, at active expansion joints in the bridge. Full text of structural bearings and expansion joints for. Expansion joints shall not be placed on new bridge decks without a design waiver approved by the state structure and bridge engineer see chapters 15 and 17.
An integral abutment eliminates the expansion joint in the bridge deck, which. Expansion joint considerations expansion joints are called for on many waterline bridge crossings. This standard supersedes bd 3388 and covers the requirements for the use of expansion joints in highway bridge decks. Replacement joint includes a header type expansion joint with seal unless otherwise approved by the engineer. A photograph of a modular expansion joint installation is shown in. In planning for the replacement of the bay bridge expansion joints, the california. One solution to potential maintenance problems associated with expansion joints is to use construction procedures that eliminate the joints from the bridge deck. Pdf introduced in 2010 en 37 structural bearings is nowadays a basic act. Eliminating expansion joints in bridges aspire bridge.
When possible it is best to completely separate cyclist and vehicular traffic through use of separate bridge structures or with suitable demarcation barriers. Design available joints for new construction pourable seal type a open armor joint armor joint pourable seal seal armor joint armor joint sealed sealed expansion joint sej mechanically bonded sej m and sejso bonded strip seal sejb. Consults with the joint seals and bearings technical specialist for special designs on large mr sealed joints during the early design stage. Expansion joints often leak when they transition to a curb or parapet wall, how does bejs handle this. Bridge deck expansion joints can be installed at the transverse joints between the end of the bridge deck and abutment ballast wall, or between adjacent decks in noncontinuous multispan structures. Usl transflex bridge joints comprise of steel angles and a steel bridging plate system encased in a flexible elastomer. Generally this is to accommodate differences in thermal expansion between the bridge structure and the pipeline.
Both open and closed bridge expansion joints and associated details have proved problematic for state highway agencies shas. Reid harmon bridge expansion joint rehabilitation abstract. This paper presents a management system for expansion joints with unique features in the field of road bridge management. The foam seal is designed to be permanently bonded to the friendly field applied. Bridge crossings and the proper use of extend, flextend. Established in 1970, radflex contract services is an independent family business recognised today as a leading force in the supply and installation of expansion joint systems and associated disciplines, operating both nationally and overseas. 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. While those may constitute a small percentage of the cost of a new bridge, they may contribute to a large portion of its subsequent maintenance costs. The location of the lists of approved components can be found in bridge technical direction btd200811 issued for this purpose. To accommodate differential lateral movement, elastomeric bearings or combination bearings with. The bridge expansion joint range of products caters for movements from 20mm through to 330mm and includes the brit. Orf bridge solution offers a variety of expansion joints to suit a wide range of movement and gaps between bridge decks.
Watford bridge waterproofing and expansion joint replacement. For more on sizing or resizing bridge joints, consider reading sizing bridge expansion joints and resize, rebuilt, reseal in our. Mellott the ability of a bridge deck expansion joint to be smooth riding, durable, and waterproof is essential to the performance of the bridge superstructure. All warranties and representations of any kind with regard to said documents are disclaimed, including the implied warranties of merchantability and fitness for a particular use. The joint movements calculations form form dsd0129 is to be used to calculate the mr for all bridge expansion joints. In addition to the general requirements for modular expansion joints, the deck joint. The pipeline may require an expansion joint at this location or a design using restrained joint pipe may prove to be a better alternative depending on the amount of anticipated movement at the bridge expansion joint, see design of the pipeline for. The high costs of maintaining equipment, a significant percentage of the. Environmental noise complaints from homeowners near bridges with modular bridge expansion joints mbejs led to an engineering investigation into the noise production mechanism. Expansion joints for use in highway bridge decks summary. 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.
This link is to a zipped file which contains all the cadd files for that group. B ridge e xpansion j oint s ystem, bejs is a trafficdurable bridge and roadway expansion joint which provides a primary watertight seal. The details are intended to be copied to a project and modified to fit the particular aspects of the project. The opening of tooth expansion joints may be larger than 4. Bridge details are considered nothing more than examples of items that are often used with very similar application from job to job. The following general criteria apply to all expansion joints in bridges. Bridge deck expansion joints are one of those items that listed on the list of rta approved bridge components. Wisdot bridge manual chapter 28 expansion devices july 2018 283 28. The aashto maintenance manual for roadways and bridges includes a brief section. Expansion joint experts uk manufactured joint systems. The pipeline expansion joints are typically located at abutments and, depending on the bridge design and length, at active expansion. This work consists of removing concrete and patching or resurfacing with concrete patching, or overlay mixtures and removing, replacing, and retrofitting expansion joints and structural concrete portions of existing bridges. Pdf modern bridge bearings and expansion joints for road bridges.
The investigation identified modal vibration frequencies in the mbej coupling with acoustic resonances in the chamber cast into the bridge abutment below the mbej. Rta conducts field inspections of bridge expansion joints covering all regions of new south wales ref btd200810. Bd sheets are intended to show how the typical parts that make up a bridge are to be detailed. It will need to be unzipped after downloading to retrieve the individual files.
Thomas gionet, graduate research assistant prepared for the new england transportation consortium. Learn more about bridge expansion joints solutions by clicking to view the emseal bridge selection guide. This sheet is to be placed in the preliminary report for forwarding to construction, re pending file. Pdf management system for expansion joints of road bridges. Expansion joint elimination for steel highway bridges ridot.
Brian swanson, graduate research assistant, and mr. A silicone foam sealant was developed to provide an easytouse and economical joint sealant for smallmovement bridge expansion joints. Wabofs bridge seal is a precompressed, silicone coated, selfexpanding foam bridge joint system. They are supplied in module lengths designed to be bolted to the structural concrete on either side of the expansion gap. Bridge lines, bridge fonts pdf, 267kb bridge font true type font format. Provide for the repair and replacement of bridge expansion joints. Survey of past experience and stateofthe practice in the design. Longitudinal deck expansion joints should be avoided for bridge widths under 100. Unique profile for easier install and less tension watertight, airtight, dustproof and soundproof slip resistant. The washington state department of transportation wsdot makes these documents available on an as is basis.
Minimum supportlength requirements need not to be investigated. A bridge floor is the entire length of the bridge from the roadway side of. Open this pdf file in adobe reader fix exp fix exp fix exp fix exp fix exp a a b a. Systems used to repair bridge expansion joints can be divided into two basic categories. Bridge joints account for a large portion of bridge inspectors repair recommendations and. Special specification 7197 bridge expansion joint repair 1. B316 modular bridge expansion joints roads and maritime services. The wabofs bridge seal is comprised of a 100% acrylic impregnated polyurethane foam seal coated with a highway grade uv stable silicone.
Finished bridge joint with bejs installed in roadway, one universal90 used as an upturn and one fieldmade notchandbend outside corner. Bridges shall be designed to minimize the number of. Designated as a dual expansion joint seal advanced acrylic impregnation without heavy fillers true tensionless system common applications. Expert in managing the functionalities and stresses to which expansion joints are subjected, freyssinet develops products designed to meet specific site and climate conditions and specific operational conditions. The expansion joint is without doubt the element under most strain in an engineering structure. This bejs guide can be viewed andor downloaded in pdf format here.
Chapter 9 bearings and expansion joints page 914 wsdot bridge design manual m 2350. Expansion joints in bridges are necessary to accommodate the expansion and contraction of bridges due to temperature variations. Pdf standard bridge drawing in adobe portable document format dgn standard bridge drawing in microstation design file format sup. 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. Flexicraft industries manufactures all types of metal expansion joints, rubber expansion joints, and other expansion joints for piping, as well as other related flexible piping. Northeast bridge preservation partnership survey of past experience and stateofthepractice in the design and maintenance of small movement expansion joints in the northeast by micah h. This study evaluates several popular techniques for the elimination of expansion joints on existing steel highway bridges.
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