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b elevation typical expansion bearing typical

What are the different types of load bearing capacities?What are the different types of load bearing capacities?Typical load bearing capacities (at ULS) are tabulate below. Further guidance on the types of bearings and their usage can be found in Guidance Note 3.03 . Elastomeric bearings normally consist of a number of rubber layers separated by steel plates. These are normally laid in pads or strips and are ideally suited for small structures.Bridge articulation and bearing specification b elevation typical expansion bearing typical What is the temperature range for elastomeric bearings?What is the temperature range for elastomeric bearings?Design bearings for movements associated with a temperature range of 150F (-30F to 120F) and a base construction temperature of 45F. Design elastomeric bearings for service loads and without Dynamic Load Allowance (IM). Uplift at bearings is not permitted.NOVEMBER 2017 LRFD BRIDGE DESIGN 14-1 What should be included in a bridge bearing specification?What should be included in a bridge bearing specification?The bridge designer should specify the expansion joints in a similar manner to bearings, giving details of characteristic and design values of displacements to the joint designer. Annex B of BS EN 1993-2 contains guidance for the preparation of a technical specification for expansion joints.Bridge articulation and bearing specification b elevation typical expansion bearing typical

WisDOT Bridge Manual Chapter 27 Bearings

Plain Elastomeric Bearing.Laminated (Steel Reinforced) Elastomeric Bearing. AASHTO LRFD. does not permit tapered Fixed Pot Bearing. Piston Sole Plate. Sealing Rings. Elastomeric Pad. Pot. Masonry Plate Bedding Guided Pot Bearing.Non-Guided Pot Bearing. Disc bearings consist of a circular polyether urethanedisc , confined by Fixed Disc Bearing.Guided Disc Bearing. Sole Plate. Polyether. Urethane Disc. Masonry Plate Bedding Material. Non-Guided Disc Bearing. The design of a pot or disc bearing generally involves the following B ELEVATION TYPICAL EXPANSION BEARING TYPICAL May 01, 2008fixed bearing on curved beams and along the chord to the parallel to straight beams length of slot shall be " min. edge of masonry p masonry plate typical expansion bearing typical slotted hole detail elevation typical rectangular expansion bearing plan typical circular expansion bearing plan section b-b hole detail. stud, see typical slottedFile Size 100KBPage Count 1NOVEMBER 2017 LRFD BRIDGE DESIGN 14-1For strip seal expansion joints on non-typical bridges and for all modular expansion joints, use a load factor for movement of 1.2 per b elevation typical expansion bearing typical Show the elevation at the top of the extrusion at crown break points, b elevation typical expansion bearing typical Detail B311 Expansion bearing for prestressed concrete beams .

How are expansion joints and bearings used in bridges?How are expansion joints and bearings used in bridges?Expansion joints and bearings provide mechanisms to accommodate movements of bridges without generating excessive internal forces. This section provides guidance on joint and bearing selection and the movement and loads that must be used in their designs.NOVEMBER 2017 LRFD BRIDGE DESIGN 14-1Standard design drawings WSDOT

2-B-8 Preliminary Plan Example- Bridge with Staging - Typical Sections 2-B-9 Preliminary Plan Example- Bridge Replacement - Elevation Tables ( pdf 65 kb ) ( dwg 51 kb ) 2.3-A1-1 Bridge Stage Construction Comparison ( pdf 36 kb ) ( dwg 34 kb )

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