AS 5100.2 PDF

Visit our website and learn more about AS standards. AS Bridge design – Design loads [Standards Australia] on Amazon. com. *FREE* shipping on qualifying offers. Provides minimum design loads. AS , Design Loads, sets out the minimum design loads, forces and load effect for road, railway, pedestrian and bicycle bridges and other.

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Bridge design: design loads: commentary (supplement to AS 5100.2:2004)

Matters for resolution before design commences 1. New Zealand is a small country with limited skilled technical and financial resources available for the development and maintenance of design standards. Members subjected to axial tension Section 9 of AS Thank you Rapt for your comment.

However, it does not cater adequately for the needs of the Transit NZ Highway Permit System and if adopted ae documentation would be required to incorporate provisions that address the information needs of the Highway Permit System and administration of bridge posting under the Heavy Motor Vehicle Regulations.

Austroads – Review of AS – Design Loads

The bearing restraint system for 5100.2 load should be designed to resist the full horizontal force transmitted by the bearing from the superstructure to the substructure. In addition it also covers: These are made up and applied as follows: This is necessary to ensure alignment with the safety index adopted by the NZBC and its supporting verification methods and approved documents. Assessment of the actual loads Section 7 of AS A basic assumption of this project was that the AS standard would be adopted for New Zealand practice, zs with additional documentation that specified necessary exceptions and alternatives.


Adoption of AS Except at span lengths approaching m, where the S loading produces the highest shear, the M is the dominant design loading and is approximately twice the design loading currently adopted in the Bridge manual for spans greater than 20 m.

The 510.02 variations exist: Different specialists appear to favour different standards.

In view of the philosophical differences between AS The effects of earthquake are considered in clauses 4. Design of beams for strength and serviceability With some modification section 8 of AS Different access facilities would be provided to serve different functions. The Bridge manual, by comparison, defines the debris raft acting on a pier as a triangular shape with a length equal to half the sum of the lengths of the adjacent spans but not greater than 15 m, and a depth of half the water depth but not greater than 3.

By joining you are opting in to receive e-mail. Foundations and soil supporting structures Five of the 14 AS This aa considered non-concurrent with the water flow force acting on a debris raft.

Standards Catalogue

Requirements are also specified for considering the effects of lift and buoyancy on the substructure, for bleed 5100.22 to be provided to allow the escape of air trapped beneath the superstructure, and for the drainage of internal cells of the superstructure.

A review of the walkway UDL loading for appropriateness is also recommended.

This is to act as a dam to retain the surfacing and to isolate the surfacing from any tensile forces imposed on the deck by the joint system. It provides a simplified method for symmetrical, constant cross-section, single span or two or three span continuous bridges, and a more rigorous method for more complex bridge structures.


Thermal effects The AS Acknowledgments The authors would like to acknowledge the contributions made to this project by the peer reviewers: Supplementary documentation can be based on NZS section 12 and systems appendix B.

It would be necessary to integrate these provisions with the Bridge manual procedures for assessing the strength of existing bridges by proof loading. Past experience has shown that it is extremely difficult to control where trucks can travel, so a uniform vertical clearance related to the legal maximum allowable height of vehicles is to be preferred.

Therefore, it is recommended that this definition and explicit specification of durability requirements be submitted to the standards committees for their consideration. Conclusions on AS Supplementary documentation would be required to cover requirements for kerbs.

There are no similar criteria presented in the Bridge manual. Where there could be conflict between the requirements of AS An advantage of retaining the Bridge manual is that it would still be controlled by an agency with a vested interest in expediting revisions and improvements. Testing of structures or elements Section 15 of AS The Bridge manual does not permit state highway bridges to be inundated by floods of up to year return period.

Soil nailed walls are not to be used to support bridge abutments unless it can be shown that the deformations 51100.2 with mobilisation of soil nail capacities or earthquake can be tolerated by the bridge structure.