index of the reports of the bridge and structures standards committee

INDEX OF THE REPORTS OF THE BRIDGE AND
STRUCTURES STANDARDS COMMITTEE
734 To consider the design of approach slabs for adoption on the Indian Railways.
735 To examine the designs of precast prestressed (pre-tensioned type) I-girder for
10m (Drg. No.RDSO/B-1442) and box girder for 15m (Drg. No.RDSO/b-1443)
spans suitable for RBG standard of loading.
736 To examine the centres of bearings, centers of piers, overall lengths of the
rationalised standards spans.
737 To examine the designs prepared by RDSO for 50.0m clear span of riveted open
web girder to RBG standard of loading.
738 To consider the designs prepared by RDSO for Christ Church Crib type trestle to
permit max. Non-stop speed of 30 kmph.
739 To discuss specifications for procurement of special conditions for HSFG bolts.
740 To review the action taken on the Railway Board's orders on various pending items
of Bridge & Structures Standards Committee.
* Deleted from the report as these were not discussed and proposed to be taken up in the next
meeting
Sixty- second Meeting- June, 1985
741 To consider the design of 30m span standard through girder for adoption on
Indian Railways and to make recommendations.
742 To examine the designs prepared by RDSO for 75.0m clear span of rivetted open
web girder to RBG standard and to make recommendations.
743 To consider inclusion of provisions by proposed amendment to clause 4.7 of
IRS Concrete Bridge Code regarding the use of strands for prestressing and to
make recommendations.
744 To consider the proposed amendment to clause 4.5 of IRS Concrete Bridge Code
to incorporate the use of admixtures in cement concrete for bridge works and to
make recommendations.
745 To consider the proposed amendment to clause no.6.6.4.9 and 6.15.7 of IRS
Concrete Bridge Code to incorporate the effects of differential shrinkage
between precast unit and in - situ concrete in the case of prestressed concrete
composite construction and to make recommendations.
746 To consider the Specification for backfill material and filter material behind
abutments and retaining walls as amendment to clause no. 20.2 of IRS Substructure
Code and to make recommendations.
747 To consider the existing provision regarding end-milling and desired amendments
and to make recommendations.
748 To consider recommendations made by principal, IRIATT regarding increase in the
present practice followed with regards to the width of concrete deck i.e. 4265mm
and to make recommendations.
749 To review the action taken on the Railway Board's Order on various pending items
of the Bridge and Structures Standards Committee and to make
recommendations.
750 To consider provision of splices in girders due to non-availability of longer plates
and to make recommendations .
751 To consider revision of drawing no.BA-11193 for bridge sleeper built out of track
sleepers approved vide item no.632 of 55th BSC (file no.CBS/DSD).
752 To consider the proposed amendments for distribution of longitudinal forces to
various component of bridge sub-structures and to make recommendations.
Informal- 1 To conduct an in depth study of the problems of rebuilding of old railway
bridges and to make recommendations for rebuilding programme.
Informal- 2 To conduct in depth study of the various international Codes relating to bridges
and to make recommendations for revision of various IRS Codes, wherever
necessary.