Guidelines for replacing, repairing, and maintaining small movement bridge expansion joints smej were developed small movement is defined as 4 inches or less. Evaluation of asphaltic expansion joints mogawer 2004 for new england transportation consortium sealing of small movement bridge expansion joints malla et al 2006 for new england transportation consortium evaluation of modular expansion. In studies reported in phase 1, various laboratory. This type of joint is able to accommodate the large movements that occur in a bridge of this type. 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. The bridge expansion joint range of products caters for movements casing from 20mm through to 330mm. Its high strength, excellent adhesion and flexibility ensure joints that do not spall or crack. Manual for roads and bridges nra dmrb and the nra manual of contract documents for. Based on the location of joint, expansion joints are divided into following types, 1. Joints are not expected to last through the life of the bridge. Primary horizontal expansion joints with vehicular traffic parking garages, road and bridge joints. Semiintegral construction may be used in lieu of expansion joints for single span bridges under 300 feet with the approval of the bridge. Expansion joint specialist and the bridge design engineer for recommendations and approval.
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. Yes, debris will collect over any expansion joint unless there is a bridge. Crete siliconeseal system is a high performance expansion joint system utilizing a dynamic twopart sealant between impact absorbing elastomeric concrete headers. In this phase i study, the research team focused on documenting the current means and methods of bridge expansion joint deterioration, maintenance, and replacement and on identifying improvements through all of the input gathered. The 2017 bejs durable tabbed product information and selection guide is now available from emseal. Modular expansion joint systems including finger and sliding plate dams, with 2 to 16 in. Expansion joints accommodate the expansion and contraction of bridges due to temperature variations. The investigation identified modal vibration frequencies in the mbej coupling with acoustic resonances in the chamber cast into the bridge. Allow bridge to expand and contract w temperature changes.
Expansion joint in concrete types and characteristics. N is discussed in appendix b, along with the declaration of performance for each of the generic expansion joint. Description of practice required please describe the specialized technology andor equipment your organization uses to clean and maintain bridge drains and expansion joints by selecting the best option below. Enquiries annex a requirements for departmental type approval of bridge deck expansion joints.
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. Therefore, it is extremely sensitive to errors of various natures. Cd 357 bridge expansion joints bridge joint association. Pdf fatigue performance of modular bridge expansion joints. The two most commonly used methods are called integral and semiintegral construction. Bridge expansion joints free download as powerpoint presentation. A stakeholder survey was conducted of bridge owners, contractors. Bridge deck expansion joints are divided into the following three groups. Orf bridge solution offers a variety of expansion joints to suit a wide range of movement and gaps between bridge decks. Several premature fatigue failures of modular bridge expansion joints have occurred in europe and the united states. A silicone foam sealant was developed to provide an easytouse and economical joint sealant for smallmovement bridge expansion joints. 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.
Therefore, it is extremely sensitive to errors of various natures, which lead to the development of anomalies that. The following general criteria apply to all expansion joints in bridges. Flexicon elastomeric concrete has been specifically compounded for use in roadway applications as a nosing to house bridge seals and products metallic claw type expansion joint systems. Semiintegral construction may be used in lieu of expansion joints for single span bridges under 300 feet with the approval of the bridge design. The maintenance of the main expansion joints on the forth. In addition to bridge deck expansion joints, the emseal bejs solution has also proven to be the ideal approach for the more permanent sealing solutions for several other types of movement joints on bridge structures. Evaluation of silicone sealants on bridge deck expansion joints. To gather information on the state of practice of washing decks, expansion joints, substructure. Bridge expansion joints are designed to allow for continuous traffic between. Expansion joints bridge expansion joints allow movement expansion and contraction resulting from temperature changes, shrinkage and creep etc. Pdf an expansion joint represents a discontinuity point in a road pavement. Cd 357 bridge expansion joints web if you would like to contact us regarding the association or our members, please use the information below.
Dynamic anomalies in a modular bridge expansion joint article pdf available in journal of bridge engineering 115. Information from the as built drawings indicate that the joints. A new elastomeric foamtype joint sealant has been developed for sealing smallmovement bridge expansion joints. In the event that expansion joints are approved for use on a new bridge structure, they must meet the following requirements. They stop the bridge from bending out of place in extreme conditions, and also allow enough vertical movement to.
To prevent water and debris from entering bridge joints, they need to be sealed with an airtight, waterproof, and flexible material. Structural expansion joints 2162017 10 precompressed foam expansion lengths. You must nominate in the schedule of prices the mbej system proposed for the tender price option 1. Bridge expansion joints are designed to allow for continuous traffic between structures while accommodating movement, shrinkage, and temperature variations on reinforced and prestressed concrete, composite, and steel structures. 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. Dynamic anomalies in a modular bridge expansion joint. Information on the selection and installation of bridge expansion joints.
Structural expansion joints 2162017 1 structural expansion joints stephanie wagner, pe bridge design engineer at indot february 16, 2017 whats the big deal. In this phase i study, the research team focused on documenting the current means and methods of bridge expansion joint. Bridge joint materials air tight, flexible, waterproof. State of the practice southeast bridge preservation partnership april 14, 2011 raleigh, nc presented by michael c. This chapter presents ndot criteria for the design and selection of expansion joints in bridges. Caltrans division of research, innovation and system information. Description furnish and install bridge expansion joints. Standard practice for washing and cleaning concrete bridge.
Bridge expansion joint locations bridge joint crappy old bridge, being torn down. Yes, debris will collect over any expansion joint unless there is a bridge performance washing or sweeping program in place. Materials provide materials in accordance with the requirements of the following items. Augusta 3rd bridge both these joints are located at abutments. Bridge design specifications aashto lrfd specifications for maximum bridge length allowed without expansion joints.
Bridge joint locations bridge bridge joint another bridge joint, way down here. Determines the mr movement rating of all bridge expansion joints and prepares the joint movements calculations sheets. Semiintegral construction may be used in lieu of expansion joints for single span bridges under 300 feet with the approval of the bridge design engineer. Item 442, metal for structures, dms6140, polymer concrete for bridge joint systems, dms6310, joint sealants and fillers, and.
A literature survey was conducted that showed a dearth of work on smejs. 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. Bridge deck expansion joints transportation research board. The principal causes of such failures have been poor detailing for instance. 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. Expansion joint importance for bridge decks bridge deck expansion joints are important to the performance of bridge decks, because they allow for movement of the bridge deck through expansion and contraction while keeping water and debris from getting through to the bridge understructure and causing corrosion. The unit of measurement is lump sum to supply all systems required for the works in accordance with this specification. The joint movements calculations form form dsd0129 is to be used to calculate the mr for all bridge expansion joints. Accommodate deck expansion and contraction caused by. Joints are often specified to accommodate deck movements without. View underneath max wilder bridge showing result of leaky joint seal. Expansion joints for use in highway bridge decks summary. Bridge expansion joints materials mechanical engineering.
Rapid replacement of bridge deck expansion joints study phase i. Expansion joints market leaders in expansion joint technology usl bridgecare provides a complete service to the civil engineering industry for bridge deck protection which includes the supply and installation of expansion joints and spray applied bridge deck waterproo. Fancy new bridge this joint is located at an abutment. Expansion joints for use in highway bridge decks contents chapter 1. Strip seals and armored expansion joint systems, includ ing preformed neoprene seals, with 12 to 4 in. Environmental noise complaints from homeowners near bridges with modular bridge expansion joints mbejs led to an engineering investigation into the noise production mechanism. The silicone foam sealant investigated in this research was made from five ingredients. 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. Dahir, pennsylvania state university, middletown, pa. An expansion joint represents a discontinuity point in a road pavement. Emseals bridge solutions have been repeatedly recognized nationally by. Designated as a dual expansion joint seal advanced acrylic impregnation without heavy fillers true tensionless system common applications. Expansion joints september 2008 191 chapter 19 expansion joints lrfd article 14.
Rapid replacement of bridge deck expansion joints study. Pdf dynamic anomalies in a modular bridge expansion joint. Infrastructure project management administration ipma. Expansion joints are often one of the first components of a bridge deck to fail and repairing or replacing expansion joints are essential to extending the life of any bridge. Steel bridges use ltype abutments with expansion joints at the ends for multiplespan bridges. In this phase i study, the research team focused on documenting the current means and. Expansion joints for use in highway bridge decks tii publications. Minimize number when conditions permit, the bridge engineer should eliminate expansion joints and tie the approach slab into the superstructure. 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. By incorporating the results of recent research activities, each joint. The maintenance of the main expansion joints on the forth road bridge 034 maintenance history roller shutter joints of this type have a typical design life, before major maintenance, of 20 to 30 years. When expansion joints fail to function adequately, many underlying. The guideline for european technical approval applicable to bridge deck expansion joints, etag 032 ref 9.
The bridge expansion joint range of products caters for movements. In the schedule of prices accompanying the lump sum tender, the cost of modular bridge expansion joints shall be divided into the following items, as appropriate. This chapter presents ndot criteria for the design and selection of expansion joints. Bridge joints market leaders in expansion joint technology usl bridgecare provides a complete service to the civil engineering industry for bridge deck protection which includes the supply and installation of expansion joints and spray applied bridge deck waterproofing membranes. Expansion joint bridge expansion, compression seal joints. This is especially true when extruded sealants and other traditional sealing systems are not suitable or have failed. Sealing of bridge expansion joint systems is important to protect the structural components below the joint from damage due to water, salt, and other roadway debris. The division also manufactures and applies their britdex mdp waterproofing. One solution to potential maintenance problems associated with expansion joints is to use construction procedures that eliminate the joints from the bridge deck. Multiply the distance between expansion joints times 12 to convert to inches times the coefficient of expansion 0. This standard supersedes bd 3388 and covers the requirements for the use of expansion joints in highway bridge decks. The joints in the forth road bridge are now over 45 years old but they are subject to regular inspection and maintenance by fetas maintenance.
Expansion joints variations in temperature and traffic load may change the length of larger bridges in the meter range. This is why bridge ends are equipped with a socalled roadway expansion joint. Consults with the joint seals and bearings technical specialist for special designs on large mr sealed joints during the early design stage. Eliminating expansion joints in bridges aspire bridge. Due to the large bond line surfaces on the sides of bejs and the approximate 2 to 2. Infrastructure preservation through watertight bridge expansion joints. Emseals bridge solutions have been repeatedly recognized nationally by many certifying organizations for innovation and design. In the event that expansion joint s are approved for use on a new bridge. 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. When expansion is restrained, distortion or crushing can occur.
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