mrts81 bridge bearings

Bridge Bearings PREFACE TO THE SECOND EDITION The book Bearings for Railway Bridges was first published in 1996 The book had been well taken by the field engineers as this was perhaps the first book exclusively devoted on bridge bearings A need was felt to revise the book thoroughly in view of the fact that numerous developments have taken place in the field of bearings MRTS81 • MRTS81A Bridge Bearings Stainless Steel Bridge Bearings : Amendment Revised testing and witnessing process • Update definitions table and unified the strip bearings and plain bearings sections into one to reflect terminology used in AS 5100 4 MRTS91 • Conduits and Pits : Amendment Update to: - Type of approval of pit products

MRTS81 Bridge Bearings

Technical Specification MRTS81 Bridge Bearings 5 2 1 6 Testing of single layer strip bearings Prior to testing the Contractor shall provide relevant working loads to the bearing manufacturer the testing facility and the Administrator Failure to supply the relevant working loads will result in the bearing being unable to be tested

2 2 Testing of bearings All costs associated with testing of bearings in accordance with the requirements of Technical Specification MRTS81 shall be borne by the Contractor Such costs shall be deemed to be included in the unit rates for the applicable Standard Work Items for supply of bridge bearings as described above

1 Bearings for Bridges Dr Shahzad Rahman NWFP University of Engg Technology Peshawar 2 Bridge Bearings 3 Bridge Bearings Function Of Bearings Bridge bearings are used to transfer forces from the superstructure to the substructure allowing the following types of movements of the superstructure: Translational movements and Rotational movements 4 Bridge Bearings Until the

Bridge Bearings PREFACE TO THE SECOND EDITION The book Bearings for Railway Bridges was first published in 1996 The book had been well taken by the field engineers as this was perhaps the first book exclusively devoted on bridge bearings A need was felt to revise the book thoroughly in view of the fact that numerous developments have taken place in the field of bearings

Bridge Bearings PREFACE TO THE SECOND EDITION The book Bearings for Railway Bridges was first published in 1996 The book had been well taken by the field engineers as this was perhaps the first book exclusively devoted on bridge bearings A need was felt to revise the book thoroughly in view of the fact that numerous developments have taken place in the field of bearings

Transport and Main Roads Specifications MRTS81 Bridge

Technical Specification MRTS81 Bridge Bearings Transport and Main Roads Specifications July 2017 5 b) the bearing shall conform to the properties specified in Clause B4 1 of AS 5100 4 and c) dimensional tolerances of Table 6 2 1 1 If any one of the representative bearings fail to meet the acceptance criteria requirements then all the

This document is maintained by Engineering and Technology Branch (Structures) Enquiries should be directed as indicated in the relevant product entry to: Dr Stephen Rae (Bridge Construction Maintenance and Asset Management – BCMAM) on 3066 1162 or Mr Jayaratna Mahagamage (Technical Governance – TG) on 3066 8628

This document is maintained by Engineering and Technology Branch (Structures) Enquiries should be directed as indicated in the relevant product entry to: Dr Stephen Rae (Bridge Construction Maintenance and Asset Management – BCMAM) on 3066 1162 or Mr Jayaratna Mahagamage (Technical Governance – TG) on 3066 8628

Fig 4: Pin Bearing for Bridges Both rocker and pin bearings are mainly employed in steel bridge structure Rocker and pin bearing should be considered when the bridge movement is adequately known and described since such bearings can make rooms for both translational and rotational movements in one direction only

This document is maintained by Engineering and Technology Branch (Structures) Enquiries should be directed as indicated in the relevant product entry to: Dr Stephen Rae (Bridge Construction Maintenance and Asset Management – BCMAM) on 3066 1162 or Mr Jayaratna Mahagamage (Technical Governance – TG) on 3066 8628

Granor supplies bearings in accordance with Australian Standard AS5100 4 from natural rubber (other standards include: BS5400 EN1337 AASHTO) State authority regulations are catered for including RMS B281 TMR MRTS81 MRWA spec 860 VicRoads 652 etc Granor's standard practice is to fully load test every single laminated bearing we supply

Product Index for Bridges and Other Structures A Listing of Registered Assessed and Known Products 4 September 2014 Product Index for Bridges and Other Structures PREFACE Product Index for Bridges and Other Structures is a document produced to assist construction staff in locating materials to construct and maintain bridges and other structures that conform to Transport and Main Roads

Bearings shall be supplied and installed in accordance with MRTS81 Bridge Bearings or MRTS81A Stainless Steel Bridge Bearings as applicable 11 Metalwork All fabricated metalwork shall be manufactured in accordance with MRTS78 Fabrication of Structural Steelwork MRTS78A Fabrication of Stainless Steelwork or MRTS79 Fabrication of Aluminium

MRTS62

Bearings shall be supplied and installed in accordance with MRTS81 Bridge Bearings or MRTS81A Stainless Steel Bridge Bearings as applicable 11 Metalwork All fabricated metalwork shall be manufactured in accordance with MRTS78 Fabrication of Structural Steelwork MRTS78A Fabrication of Stainless Steelwork or MRTS79 Fabrication of Aluminium

Bearings shall be supplied and installed in accordance with MRTS81 Bridge Bearings or MRTS81A Stainless Steel Bridge Bearings as applicable 11 Metalwork All fabricated metalwork shall be manufactured in accordance with MRTS78 Fabrication of Structural Steelwork MRTS78A Fabrication of Stainless Steelwork or MRTS79 Fabrication of Aluminium

Annexure MRTS81 1 Bridge Bearings Specific Contract Requirements Contract Number Note: Clause references within brackets in this Annexure refer to clauses in the parent Technical Standard MRTS81 unless otherwise noted STRUCTURE ELASTOMERIC BEARINGS (Clause 5 1) The following elastomeric bearings are required to be supplied Item Number Location

Granor supplies bearings in accordance with Australian Standard AS5100 4 from natural rubber (other standards include: BS5400 EN1337 AASHTO) State authority regulations are catered for including RMS B281 TMR MRTS81 MRWA spec 860 VicRoads 652 etc Granor's standard practice is to fully load test every single laminated bearing we supply

bearings in accordance with MRTS81 Bridge Bearings shall be used This Technical Specification shall be read in conjunction with MRTS01 Introduction to Technical Specifications MRTS50 Specific Quality System Requirements and other Technical Specifications as appropriate