7 ensp 0183 ensp The research team has conducted literature reviews on current means and methods of expansion joint maintenance replacement and elimination in Iowa and other states In this task the research team will conduct a more in depth review with the focus on accelerated repair and replacement of bridge deck expansion joints
28 ensp 0183 ensp FIGURE 3 5 – BRIDGE JOINT The joint configuration and sealant width and depth should be determined by cutting out samples in representative areas and measuring the sealant profile There are four basic types of joint configurations listed below refer to Figures 3 2 to 3 5 1 Butt Joint Figure 3 2 2 Fillet or Angle Joint Figure 3 3
different proprietary and nonproprietary expansion joint types were reviewed and evaluated for their relative design con 173 struction and performance aspects This repoi t covers the re 173 sults of the joint systems review and evaluation effort SCOPE Bridge deck expansion joints are
2 Bridge amp Highway Fabricated Expansion Control Systems At Watson Bowman Acme the development of armored expansion joint systems has evolved to meet the design challenges of the twenty first century Our proven systems facilitate engineered structural movement capabilities and protect bridges against the
201978 ensp 0183 enspExpansion Joint Specialist and the Bridge Design Engineer for recommendations and approval B Steel Bridges Use Ltype abutments with expansion joints at the ends for multiplespan bridges 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
The Wabo 174Expandex system is a unique expansion joint for asphalt overlays and abutment joints The system is a one piece monolithic asphaltic plug joint designed to eliminate the need for any anchoring device and provide a flexible yet smooth ridging joint
2019910 ensp 0183 enspImproved Bridge Joint Materials and Design Details bridge expansion joints compression seal strip seal seal performance selfpurging trough open joints Figure 3 Joint Seal Life Expectancies for Pourable Seals Strip Seals and Compressions from TSP2 Joint Survey
2020330 ensp 0183 enspBEJS Overview – Bridge Expansion Joint System Watertight traffic durable new amp retrofit bridge expansion joint seal B ridge E xpansion J oint S ystem BEJS is a trafficdurable bridge and roadway expansion joint which provides a primary watertight seal It is designed to handle harsh environmental conditions and features greater movement capability better low temperature flexibility
The 55 000 seat stadium in Adelaide uses over 1000 number of Granor seat platon bearings pads to provide comfort and structural isolation The footbridge leading to Adelaide oval also incorporates Granor Pot bearings whilst also having one of the 1st applications of a WABO Seismic Span II expansion joint
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 They stop the bridge from bending out of place in extreme conditions and also allow enough vertical movement to permit bearing replacement without the need
462 DESiGN GUiDE FOR BRiDGES FOR SERviCE LiFE 10 3 2 1 1 Improper Design In rare occurrences improper design has led to overloaded pads or pads subjected to excessive lateral movement causing excessive bulging splitting or delamination
Learning Objective 1 Secure a practical knowledge of issues affecting successful expansion joint sealing including design placement movement and temperature technology selection specification and installation Learning Objective 2 Through an exploration of types applications and failure analysis understand various expansion and building component joint technologies for applications
16 ensp 0183 ensp Expansion joints are one of the important joints used in construction like the roof expansion joints and in the paving slabs The function of the expansion joints is to endure the stresses produced due to temperature variations Flexible concrete expansion joints may reduce crack formation However cracks developed may be repaired by using suitable concrete sealer
An expansion joint is an assembly designed to safely absorb the heat induced expansion and contraction of various construction materials They are commonly found between sections of slabs bridges
2012111 ensp 0183 enspindie recommended seal widths based on a Design Temperature i e 60 oF You need to know the Design Joint Opening at the Design Temperature from Record Plans to use the Manufacturer t bl Thi i f ti i t l i th R d Pltables This information is not always in the Record Plans and when it is it can be time consuming to find it We
201633 ensp 0183 enspOnce seal installation has begun on a joint do not stop push down on the seal Do not push the seal at any angle that will stretch plate If assistance is needed in installing the seal use a blunt probe to seal into the joint recessing the seal ‚ quot below the top of the steel in the sides of the seal With gloved hands compress the seal and
20171222 ensp 0183 ensp5 The two leading causes of joint failure were improper installation and lack of preventative maintenance In particular cleaning out of bridge joints which includes clearing it of debris is believed to significantly increase the life of a joint but currently is not performed by many DOTs
Bridge deck expansion joints are divided into the following three groups 1 Modular expansion joint systems including finger and sliding plate dams with 2 to 16 in of movement but generally more than 13 in of movement S H Dahir Pennsylvania State University Middletown Pa 17057
23 ensp 0183 ensp Silicoflex Armorless Bridge Joint System Material Detail Sheet ABJ 11 05 The Silicoflex Bridge Deck Joint Sealing System is a preformed silicone joint seal that is bonded directly to the Tron Flex elastomeric concrete nosing with a specially developed fast curing silicone locking adhesive
28 ensp 0183 ensp The installed preformed joint seal will be measured for payment in feet meters measured along the centerline of joint from out to out of the deck no measurement will be made for joint material used to turn up into the parapet sidewalk or median Basis of Payment The preformed bridge joint seal will be paid for at the contract unit price per
2019215 ensp 0183 enspPART A – INVESTIGATION OF PREMATURE STRIP SEAL JOINT FAILURE AT BRIDGE 5 104W JOINT HISTORY Bridge 5 104W is a three span 675foot long steel girder bridge that was constructed in 1972 The bridge was originally constructed with steel sliding plate expansion joint assemblies that were loed at each abutment The origi
21 ensp 0183 ensp sides of the joint and b cohere under duress resist failure within the seal itself Non sag formedn place sealants require manual i tooling to force the material against the sidewalls to promote adhesion and configuration Selfeveling l formed in place sealants naturally flow into the reservoir and adhere to the faces of the joint
20101023 ensp 0183 ensp1 Bridge cleaning sweeping and or washing services 2 Seal cracks and seal concrete for protection 3 Seal replace reconstruct or eliminate deck joints 4 Deck overlays epoxy and concrete 5 Cathodic Protection CP Systems 6 Electrochemical Chloride Extraction ECE Treatment 7 Concrete deck repairs in conjunction with deck
Contact Us 1 281 9418 Toll Free 855 0906 Fax 1 713 8640 sales usbellows com Our Parent Company Piping Technology Pipe Supports Pipe Clamps Pipe Hardware amp Insulated Pipe Shoes Fellow Subsidiaries Sweco Fab ASME Vessels Pig Launchers Duct Work Strainers amp Spectacle Blinds Pipe Shields Pre Insulated Pipe Supports Slides Guides amp Anchors
12 ensp 0183 ensp Rapid Replacement of Bridge Deck Expansion Joints Study – Phase I This initial research phase 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 CMAT Iowa State University 2711 S Loop Drive Suite 4700
DESCRIPTION ASPHALT EXPANSION JOINT is composed of a blend of asphalts vegetable fibers and mineral fillers formed under heat and pressure between two asphaltsaturated liners It is waterproof permanent flexible and selfsealing FIBRE EXPANSION JOINT is composed of cellular fibers securely bonded together and uniformly saturated with asphalt to assure longevity
2020211 ensp 0183 enspAsphaltic plug joint also referred to as TST bridge joint for movements up to 40 mm is a simple bridge expansion joint filled with asphalt TST crushed stone elastic material is a special type of elasticplastic material with high viscosity Being heated sufficiently to melt it can be poured into gravel and will be shaped into asphalt concrete form after molding to bear vehicle load
202058 ensp 0183 enspExpansion joints are one of the important joints used in construction like the roof expansion joints and in the paving slabs The function of the expansion joints is to endure the stresses produced due to temperature variations Flexible concrete expansion joints may reduce crack formation However cracks developed may be repaired by using suitable concrete sealer
13 ensp 0183 ensp Modular Bridge Expansion Joints Design Example 3 25 7 Construction and Maintenance 25 1 Introduction Expansion joint systems are integral yet often overlooked components designed to accommodate cyclic movements Properly functioning bridge expansion joint
The width of joint between the end of the deck and the abutment is set during construction of the bridge usually when the concrete curtain wall is cast The maximum expansion of the deck is therefore determined from the minimum effective temperature at which the curtain wall is allowed to to be cast usually 2 176C Hence if a maximum effective
SECTION 14 JOINTS AND BEARINGS 5 2018 14 4 3 4 Saw Seal Joint A saw seal joint shall be placed in the top of asphalt and polyester polymer concrete PPC overlays when expansion joints are not used at the following locations Interface between the bridge deck and approach slab
12 ensp 0183 ensp expansion joints are essential to extending the life of any bridge 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
Bridge Preservation Legislation Fixing America s Surface Transportation FAST Act 2015 Analysis and Estimation of Service Life of Corrosion Prevention Materials Using Diffusion Resistivity and Accelerated Curing for New Bridge Structures Summary Simplifying Bridge Expansion Joint Design and Maintenance USDA Guide for In Place
Improper sizing of the joint seal poor substrate preparation and improper appliion have been cited as some of the reasons for joint failures To overcome these failure mechanisms bridge owners need clear guidelines for evaluating the performance of bridge expansion joints and maintaining them
Improper sizing of the joint seal poor substrate preparation and improper application have been cited as some of the reasons for joint failures To overcome these failure mechanisms bridge owners need clear guidelines for evaluating the performance of bridge expansion joints and maintaining them
OVERVIEW When using Flexicraft metal bellows expansion joints you can be assured they were designed and built to last No one can offer greater security or variety in meeting your needs for steam or any other appliions Review the metal expansion joint flexible coupling models below to choose the optimal design for your appliion or contact our highly trained staff for assistance
Learning Objective 1 Secure a practical knowledge of issues affecting successful expansion joint sealing including design placement movement and temperature technology selection specifiion and installation Learning Objective 2 Through an exploration of types appliions and failure analysis understand various expansion and building component joint technologies for appliions
20181229 ensp 0183 enspPERFORMANCE OF CONCRETE BRIDGE DECK JOINTS Lik Hang Yuen Department of Civil and Environmental Engineering Master of Science The purpose of this research was to identify the types of joints available for use on concrete bridge decks and to investigate the performance characteristics of each type including primary functions and movement ranges
The 55 000 seat stadium in Adelaide uses over 1000 number of Granor seat platon bearings pads to provide comfort and structural isolation The footbridge leading to Adelaide oval also incorporates Granor Pot bearings whilst also having one of the 1st appliions of a WABO Seismic Span II expansion joint
22 ensp 0183 ensp 5 The two leading causes of joint failure were improper installation and lack of preventative maintenance In particular cleaning out of bridge joints which includes clearing it of debris is believed to significantly increase the life of a joint but currently is not performed by many DOTs
13 ensp 0183 ensp 25 6 Large Movement Range Joints Modular Bridge Expansion Joints Design Example 3 25 7 Construction and Maintenance 25 1 Introduction Expansion joint systems are integral yet often overlooked components designed to accommodate cyclic movements Properly functioning bridge expansion joint systems accommodate these move
201867 ensp 0183 enspThe research team has conducted literature reviews on current means and methods of expansion joint maintenance replacement and elimination in Iowa and other states In this task the research team will conduct a more indepth review with the focus on accelerated repair and replacement of bridge deck expansion joints
462 DESiGN GUiDE FOR BRiDGES FOR SERviCE LiFE 10 3 2 1 1 Improper Design In rare occurrences improper design has led to overloaded pads or pads subjected to excessive lateral movement causing excessive bulging splitting or delamination
2010126 ensp 0183 enspFactors to Consider for Preserving Bearing Assemblies and Expansion Joint Systems Mark Kaczinski P E structural system –Typically represent about 1 to 2 of total bridge cost –Design and detailing not well understood by many bridge engineers Bearing assemblies and expansion joint
19 ensp 0183 ensp Evaluation of Asphalt Bridge Deck Joint Systems A Research Report for Grant No P 803 submitted to Nevada Department of Transportation Research Division Attn Mr Ken Chambers 1263 S Stewart Street Carson City NV 89712 By Nader Ghafoori Ph D P E Professor and Principal Investigator University of Nevada Las Vegas
2 Bridge amp Highway Fabried Expansion Control Systems At Watson Bowman Acme the development of armored expansion joint systems has evolved to meet the design challenges of the twentyfirst century Our proven systems facilitate engineered structural movement capabilities and protect bridges against the
This video shows an expansion joint bellows being subjected to a cycle test as required by the customer The expansion joint is compressed and expanded through its specified design movement of 1 and 1 4 inches to verify the calculated lifespan of 30 000 cycles
In modern bridge structures bridge bearings and expansion joints are commonly the source of most maintenance and performance issues In some situations their performance can lead to the closure failure of major structures and their maintenance can be extremely difficult and costly to implement