index of the reports of the bridge and structures standards committee

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INDEX OF THE REPORTS OF THE BRIDGE AND STRUCTURES STANDARDS COMMITTEE Sixty-eighth Meeting - December, 1994 815 MG-BG Conversion - Modification to MGML open web girders for BG loading comprising of single/coupled WDM2 Locomotive with trailing load of BOXN wagons (7.59t/m) for a speed of 100 kmph utilizing released MGML open web girders of spans 30.5m and 45.7m. 816 Use of released MGML Plate girders for BG Conversion. 817 Design of Steel Passenger Platform Shelter for BG Way Side Stations. 818 Modifications of provision of IRS Steel Bridge Code regarding intermediate Stiffeners, Horizontal Stiffeners and Load Bearing Stiffeners. 819 Design of RC ballastless slabs up to 3.85m span for MBG-1987. 820 Design of M-20 grade mass concrete piers of standard spans 6.1m to 30.5m and 30.5m to 76.2m conforming to MBG Loading -1987. 821 Design of M-20 grade mass concrete abutments of standard spans 6.1m to 30.5m and 30.5m to 75.2m conforming to MBG loading-1987. 822 Design of 3.66m, 4.57m, and 6.1m precast prestressed concrete bridge slabs to MBG Loading-1987 suitable for gauge conversion with/without precast RCC bed block to be used in case of multiple spans. 823 Design of RCC passenger platform shelter 9.45m wide. 824 Design of RCC/PSC passenger platform shelter 10.67m wide with provision utilisation of space on first floor. 825 Review of action taken on pending items of earlier BSC meetings. Informal-1 Provision of weep holes in earth retaining structure and RCC box culverts. Informal-2 Minimum grade of RCC and CC for construction. Informal-3 Slope Protection for Guide Bund on rear site and approach embankment. Extra-Ordinary Meeting - Nov. 1996 826 To consider 2nd Revision of IRS Code of Practice for Plain Reinforced and Prestressed Concrete for General Bridge Construction (Concrete Bridge Code). Sixty-ninth Meeting - January, 1998 827 To examine the design of approach slab to MBG loading prepared by RDSO as per Drawing No. RDSO/B-1790&1791 and to make recommendations. 828 T consider the speed restrictions followed by different Zonal Railways on temporary arrangements with CC Cribs and formulate guidelines for adoption of uniform speed restriction on Indian Railways and to make recommendations. 829 To consider the design of 45.1m Post- tensioned PSC girder and to make recommendations. 830 To consider following modifications (I) Reduction in number of type of sleepers and change in fixing arrangement of hook bolt. (ii) Use of thicker elastomeric pad.(iii) Use of ERC of limited toe load. 831 To review the provision of clause 5.4 (c) of IRS Sub structure and foundation code- 1985 regarding dynamic augment for RCC/ Steel Substructure. 832 To examine the need for revision of IRS specification for febrication and erection of steel girder (B1-79) and to nominate a sub committee for its revision. 833 To examine the need for revision of IRS Welded Bridge Code and to nominate a sub committee for prepration of revised specification. 834 To review the action taken on Railway Boards orders on various pending items of BSC and to make recommendations. 835 To consider that all the members of existing Bridges should be checked for 4 million cycles additional clause to be added to existing clause 3.6.5 of Steel Bridge Code. Informal-1 To consider the need to have girder bridges with ballasted PSC deck on Indian
INDEX OF THE REPORTS OF THE BRIDGE AND STRUCTURES STANDARDS COMMITTEE Railways. Informal-2 To consider the provisions laid down for Risk Coefficient in IS:875 (Part-3)-1987 and make recommendations to formulate the uniform values of Risk Coefficient for design of high rise hoarding along the Railway track on Indian Railways. Informal-3 To consider the loss of camber and corresponding speed restriction to be imposed on existing bridges. Seventieth Meeting - January, 1999 836 Modification to bridges for MBG suitability-provision of additional holding down bolts. 837 Revision of clause 5.16 of IRS Bridge sub-structure and Foundation code for checking suitability of foundation of existing bridges for introduction of New rolling stock/locomotives etc. 838 Live load due to working of Plasser's Quick Relay System (PQRS) on PSC/RCC slab/girder bridges 839 Revision of clause No.4.3 of IRS Bridge Substructure and Foundation code regarding estimation of design discharge. 840 Use of M.S. plates at panel points of CC Cribs used for temporary arrangement. 841 Amendment to Clauses 4.6.1, 4.6.2.1, and 16.8.2.2 of IRS Concrete Bridge Code (2 nd Revision 1996)-Provision of low relaxation prestressing steel strands. 842 Design of M20 grade Mass concrete stepped piers of standard spans 6.1 m to 76.2 m conforming to MBG Loading-1987 suitable for Zone I to III. 843 Design of 30.5m span Welded open web girder (through type) to MBG Loading. 844 Design of M20 grade mass concrete stepped piers of standard spans 6.1 m to 30.5 m conforming to MBG Loading-1987 for seismic Zone IV & V. 845 Loading standard for Gauge conversion routes. 846 Dynamic load testing of PSC/RCC Railway Bridge Girders. 847 Review of action taken on pending items Informal-1 Use of Ready Mix Concrete in Engg.Works Informal-2 Heavy Mineral Loading-1995 Fourteenth Extra-Ordinary Meeting - June 1999 848 Report on Durability of Concrete Structures Seventy-First Meeting – October, 1999 849 Use of Thermo-Mechanically Treated (TMT) bars in RCC works on Railways 850 Design of 45.7m welded open web girder (through type) to HM loading. 851 Design of 45.7m welded open web girder (through type) to HM loading-1995. 852 Design of 45.7m welded open web girder (through type) to MBG loading. 853 Design of sub-structure for 6.1m PSC deck slab conforming to HM loading-1995. 854 Dynamic effect on ballasted deck bridges. 855 Increase in allowable bearing pressure for checking suitability of foundation of old bridges. 856 Fabrication of steel bridge girders by trade. 857 Preparation of IRS codes for elastomeric, PTFE and Pot bearing for Railway bridges and to issue standard drawings. 858 Defining temperature gradient across depth of girder. 859* Review of action taken on pending items. Fifteenth Extra-Ordinary Meeting – February 2000 859* of 71 st i) Item No. 832 of 69 th BSC:
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index of the reports of the bridge and structures standards committee

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