AUSTRALIAN STANDARD AS2870 PDF

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Design, construction and maintenance of residential slabs is regulated by Australian Standard AS – Residential slabs and footings. Australian Standard AS – Time for a change. With specific reference to the slab heave problem with waffle rafts. Frank Van der Woude, B.E., Ph.D. AGS Vic. complying with the Australian Standard – AS referenced by the BCA. AS covers the design and construction of residential slabs and footings.

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The Austgalian may also be used for other forms of construction, including some light industrial, commercial and institutional buildings if they are similar to houses in size, loading and superstructure flexibility.

Welcome to my engineering blog – Australian Standard AS

Residential slabs and footings. This latest release has seen a number of changes introduced which will in turn affect the current design calculations for residential slabs-on-ground. Economical designs that standars significant damage are practicable only if the soil moisture content of the foundation material under the footing or slab is stable or within reasonable limits of stability over the design life of the house or structure.

I would like to remove them due to safety and to prevent damage to the house and drainage. The footing systems for which designs are given australan slab on ground, stiffened rafts, waffle rafts, strip footings, pad footings and piled footings. Coincidentally with the introduction of AS inI started a consulting engineering practice in and around Brisbane, specializing in residential slab and footing design.

Please write a comment Cancel reply Your email address will not be published. This Standard sets out the criteria for the classification of a site and the design and construction of a footing system for a single dwelling house, townhouse or similar structure which may be detached or separated by a party wall or common wall, austtalian not situated vertically above or below another dwelling, including buildings classified as Australiah 1 and Class 10a in the Building Code of Australia.

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The table above highlights one of the most significant changes to the code, being the splitting of the “H” classification into two australain classes, H1 and H2. The position of the trees do not comply with the Australian building standards code but council is not supportive.

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AS — This is a free 7 page sample. Either way, I will never disclose your personal details to any other party. The Australian Standard has Changed. For design purposes, the life of the structure is taken to be 50 years. Please use the form at the bottom of any page if you allow me to post your comment, otherwise please Email a private comment. These calculation changes will ultimately see waffle slabs being more heavily piered than previously. Powered by Site Ninja. For example, the introduction of the H2 classification sees the requirement for N16 reinforcing bars to be used in all edge beams and internal beams of the slab typical on a waffle slab.

Your comments auwtralian be very much appreciated. Frank Ass2870 der Woude B. This change applies to all slab designs across all site classification types. Here are some of the key changes to this code and how they lead to a PolyVoid auatralian suspended slab-on-ground being highly competitive, and a solution for problem foundations and reactive soils. This Standard was published on 17 January Rudimentary engineering calculations raised my initial concern that some standard slabs were not strong enough standarr withstand the combined effects of static loading and dynamic foundation movement they had supposedly been designed to withstand.

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A soil’s Ys rating is its indication of movement potential. More Code Information To understand more about how the changes to AS may affect your slab designs and consequently, slab costs, contact your engineer.

This Standard gives no advice on detailing of the connection of superstructures to the footing systems for wind loads or earthquake loads.

Steel Reinforcing Calculations Some of the reinforcing requirements for design have changed and have the potential to have a significant affect on the cost of a waffle slab. Menu Home PolyVoid Management. Author Write something about yourself. Your email address will not be published. Regards David my mobile is AS — specifies performance criteria ausralian specific designs for footing systems for foundation conditions commonly found in Australia.

Why PolyVoid Soil Characteristics. Could you please send me the 7 page sample. It was approved on behalf of the Council of Standards Australia on 20 December I have some trees that are too close to the house. There has also been a revision of the mesh requirements for ‘slab length’.

No need to be fancy, just an overview. For more information about ASclick here: Regards David my mobile is Reply Leave a Reply.

The previous code revision called for reinforcing mesh to be upgraded to the next specification when a concrete slab was greater than 25 metres austrapian length.

The standard sets out the criteria for the classification of a site, and the design and. Photo Gallery – Installation.

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