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Bridge Bearings -Types of Bearings for Bridge Structures

    See full list on theconstructorTypes & Functions Of Bearings for Bridges CivilDigitalSep 28, 2013 · These bearings are capable of supporting high vertical loads with very small deformations. These bearings are flexible under lateral loads. Steel plates prevent the rubber layers from bulging. Lead cores are provided to increase damping capacity as plain elastomeric bearings does not provide significant damping. They are usually soft in horizontal direction and hard in vertical direction. Design Step 6 Design of Bearings Prestressed Concrete substructure. Some states use a slightly different common range than stated above. See S14.7.5.2 and S14.7.6.2 for material requirements of neoprene bearing pads. Elastomer may be used as a plain pad (PEP) or may be reinforced with steel. Steel reinforced elastomeric bearings are composed of layers of elastomer and steel plates

    Document Title:SPECIFICATION AND SCHEDULE OF

    of elastomeric bearing to indian railway for use on railway bridges /rob. ae/ insp./b&s dbs/t&i printed 2020/mm/dd prepared by issued by page 2of 10 specification and schedule of technical requirement (str) for manufacture and supply of elastomeric bearing to indian railway for use ELASTOMERIC BEARINGS - anakwthe right purpose. Sliding Bearing Sliding Bearings are playing a big and active role in structures. Sliding Bearings with PTFE plates are used in structures where less vertical but more horizontal load is required. For all the sliding bearings with PTFE plates; steel plates must be Elastomeric Industrial Product Brochure - EkspanLaminated elastomeric bearings consist of natural rubber layers separated by steel plates. Around this makeup a rubber cover encapsulates the bearing (Fig. 1). These items are then vulcanised to create a compact maintenance free bearing.

    FHWA Bridge Inspection Manual Section 9 Bridge Bearings

    Masonry Plate The masonry plate is a steel plate that is attached to the bearing seat of an abutment or pier. The masonry plate serves to distribute vertical forces from the bearing to the substructure unit. Anchorage The anchor bolts connect the bearing to the substructure unit. Anchor bolts are G 9.1 - Steel Bridge Bearing Design and Detailing detailing assumptions for elastomeric bearings:1. The bearings are normally vulcanized to a top plate or sole plate. 2. The bearings are attached to the girder; by field welding or bolting. 3. Masonry plates and anchor rods are not normally required. 4. The bearing bears directly on the concrete substructure. 5. Lateral forces on expansion bearings are STATE OF OHIO DEPARTMENT OF TRANSPORTATION plates to the pot. Attached to, or integral with, the upper bearing plate for expansion bearings. Attached to, or integral with, the sole plate for fixed bearings. B. Pot Confines the elastomeric disc and transmits vertical and horizontal forces from the piston to the masonry plates. Shop welded to masonry plates.

    Spherical Bearing - Fixed, Guided & Free Sliding Type

      1. See full list on bridgebearing1698. A study on the characteristics of bridge bearings structure behavior. The designed spherical elastomeric bearing is a spherical elastic body of laminated steel plates and viscoelastic material, such as rubber, as shown in Fig. 2. Spherical elastomeric bearing was designed under much severer conditions (500 kN in vertical capacity andElastomeric Bearing with Steel Plate ReinforcedLaminated elastomeric bearing pad, one type of reinforced elastomeric bearings, is made of multi-layer rubber and reinforced with steel plate through sulfuration and adhesion. Compared with non-reinforced elastomeric bearing , it has sufficient vertical rigidity which can reliably transfer the concentrated down-loads and impact loads of the superstructure to both ends of the pier.