AS 4324.1:2017 PDF
Specifies the assumptions to be used in calculating the system and total R-values of building constructions, which include IR reflective or IR non-reflective airspaces, for the purposes of designing building components to be used in thermal insulation systems.
This Standard was prepared by the Standards Australia Committee ME-043, Bulk Handling Equipment, to supersede AS 4324.1—1995, Mobile equipment for continuous handling of bulk materials, Part 1: General requirements for the design of steel structures.
This is the first part of what is planned to be a four-part series dealing with mobile equipment for continuous handling of bulk materials, with Part 2 to deal with mechanisms, Part 3 to deal with electricals and controls and Part 4 to deal with commissioning, operation and asset management. Parts 2, 3 and 4 are intended to be sequentially developed with the necessary revisions to Part 1 incorporated as the other Parts are published.
The development of the first edition of this Standard in 1995 was based largely on the German Code for structural design, BG—1986 Regulations, Calculations and dimensioning of large machines in open cuts, and the International Standard ISO 5049-1:1994, Mobile equipment for continuous handling of bulk materials, Part 1: Rules for the design of steel structures, but included a number of variations to provide coverage of a more comprehensive range of machinery and loading conditions.
The objectives of this revision are to achieve greater clarity in loading requirements and greater simplicity in the prescription of structural design requirements. This led to more emphasis being placed on specifying design requirements that are specific to the machine, and the recognition that effective controls, protective devices systems and load limiting devices play an integral part in the operation and limitation of applied loading to structures of this type. Duplication of requirements for structural materials and design rules has been avoided where possible by direct reference to established Australian or International Standards. Following structural reliability analyses, the ultimate limit state approach has been modified to accommodate the load factor (per primary load case) and resistance design/partial safety factor approach. The preferred method of structural design is a subject for agreement between the purchaser and the supplier or prescription via the technical specification.
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