The control of heavy vehicle loading on bridges.

Auteur(s)
Charrett, D.E. & Webber, J.R.
Jaar
Samenvatting

LEGAL LOAD RESTRICTIONS ON INDIVIDUAL AXLES AND GROUPS OF AXLES ARE DISCUSSED IN RELATION TO BRIDGE STRUCTURES. A COMPARISON IS MADE OF THE DIFFERENT TYPES OF AXLE SPACING/MASS SCHEDULES USED TO RESTRICT GROUP AXLE LOADS. STRUCTURAL IMPLICATIONS ARE OUTLINED, AND A THEORETICAL METHOD FOR COMPARING SCHEDULES IS PRESENTED. A SYSTEMATIC PROCEDURE IS DESCRIBED WHICH DETERMINES THE MOST ADVERSE EFFECTS ON BRIDGE STRUCTURES ARISING FROM THE ENFORCEMENT OF A GIVEN SET OF LEGAL RESTRICTIONS ON A NUMBER OF TRUCKS OF SPECIFIED GEOMETRY. THE THEORETICAL CONSIDERATIONS BEHIND THE AXLE SPACING/MASS SCHEDULE PROPOSED BY THE NAASRA ECONOMICS OF ROAD VEHICLE LIMITS STUDY ARE DISCUSSED. RESULTS OBTAINED BY USE OF A COMPUTER PROGRAM FOR A NUMBER OF STUDIES ON THE PROPOSED LOAD LIMITS AND POSSIBLE EXEMPTIONS ARE PRESENTED. THE PAPER CONCLUDES WITH A SUMMARY OF THE MAIN POINTS AND THE CONCLUSIONS REACHED IN DERIVING A NEW AXLE SPACING/MASS SCHEDULE FOR THE AUSTRALIAN SITUATION. (A). FOR THE COVERING ABSTRACT OF THE CONFERENCE PROCEEDINGS SEE IRRD ABSTRACT NO 226354.

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Publicatie

Bibliotheeknummer
C 51532 (In: B 13294 S) /22 /24 / IRRD 226307
Uitgave

In: Proceedings of the 8th Conference of the Australian Road Research Board ARRB, Perth, August 23-27, 1976. Volume 8, part 6, Session 31, p. 33-43

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