As 2870 Residential Slabs And Footings Pdf Download !!TOP!!

AS 2870 2011 sets out requirements for the classification of a site and the design and construction of a footing system for a single dwelling house, town house or the like which may be detached or separated by a party wall or common wall but not situated vertically above or below another dwelling. The AS 2870 Australian standard is widely used for concrete slabs and footings. Commentary to this Standard has been included at the back of this document.

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, but not situated vertically above or below another dwelling, including buildings classified as Class 1 and Class 10a in the Building Code of Australia.The Standard 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. The footing systems for which designs are given include slab on ground, stiffened rafts, waffle rafts, strip footings, pad footings and piled footings.NOTE: This Standard gives no advice on detailing of the connection of superstructures to the footing systems for wind loads or earthquake loads.For design purposes, the life of the structure is taken to be 50 years.NOTES: 1 This Standard has been widely used for a number of years for the economical design of footings and slabs. Economical designs that avoid 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. For all sites (in particular sites with reactive soils) drainage and soil moisture conditions around the building need to be managed to avoid abnormal moisture conditions, as outlined in Clause 1.3.3, which may result in building damage. 2 Site management recommendations are given in Appendix B.3 Where slab on ground construction is used for long slabs and large houses, particular consideration in design may be needed to avoid significant damage.4 Information on earthquake actions is included in AS 1170.4. Information on wind actions is included in AS/NZS 1170.2 and AS 4055.

As 2870 Residential Slabs And Footings Pdf Download

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AS 2870 sets outs the method for determining the classification of a site and the design and construction requirements for slab on ground, stiffened rafts, waffle slab, strip footings, pad footings and piled footings.

SECTION 1 SCOPE AND GENERAL1 SCOPEThis Standard sets out the criteria for the classification of a site and the design andconstruction of a footing system for a single dwelling house, townhouse or similar structurewhich may be detached or separated by a party wall or common wall, but not situatedvertically above or below another dwelling, including buildings classified as Class 1 andClass 10a in the Building Code of Australia.The Standard may also be used for other forms of construction, including some lightindustrial, commercial and institutional buildings if they are similar to houses in size,loading and superstructure flexibility. The footing systems for which designs are giveninclude slab on ground, stiffened rafts, waffle rafts, strip footings, pad footings and piledfootings.NOTE: This Standard gives no advice on detailing of the connection of superstructures to thefooting systems for wind loads or earthquake loads.For design purposes, the life of the structure is taken to be 50 years.NOTES:1 This Standard has been widely used for a number of years for the economical design offootings and slabs. Economical designs that avoid significant damage are practicable only ifthe soil moisture content of the foundation material under the footing or slab is stable orwithin reasonable limits of stability over the design life of the house or structure. For all sites(in particular sites with reactive soils) drainage and soil moisture conditions around thebuilding need to be managed to avoid abnormal moisture conditions, as outlined inClause 1.3, which may result in building damage.2 Site management recommendations are given in Appendix B.3 Where slab on ground construction is used for long slabs and large houses, particularconsideration in design may be needed to avoid significant damage.4 Information on earthquake actions is included in AS 1170. Information on wind actions isincluded in AS/NZS 1170 and AS 4055.

1.8 PileStructural member that is driven, screwed, jacked, vibrated, drilled or otherwise installed inthe ground such as to transmit loads to the underlying soil or rock and provide a footingcomponent for a structure.1.8 Reactive siteSite consisting of a clay soil that swells on wetting and shrinks on drying by an amount thatcan damage buildings on light strip footings or unstiffened slabs. Includes sites classified asClass S, Class M, Class H1, Class H2 or Class E in accordance with Clause 2.1.8 ReinforcementSteel bars, wire or mesh.1.8 Reinforced single-leaf masonryOuter wall constructed of concrete blocks with some vertically reinforced cores at notgreater than 2 m centres, such reinforcement being lapped with steel starter bars set inconcrete beams or footings and a bond beam.1.8 Rock1 Strong material, including shaly material and strongly cemented sand or gravel, that does not soften in water or collapse under the combination of loading and wetting.2 Material that cannot readily be excavated by a backhoe.1.8 SandGranular soil that may contain a small proportion of fines including silt or clay. The amountof fines may be assessed as small by a visual inspection or if the amount that passes a75 m sieve is 15% or less. NOTE: Material with a higher proportion of fines should be treated as silt or clay.1.8 SiltFine-grained soil that is non-cohesive and non-plastic when wet and may include some sandand clay.1.8 Single-leaf masonryOuter walls constructed with a single thickness of masonry units.1.8 Single-storeyConstruction with wall height, excluding any gable, not exceeding 4 m and including onlyone trafficable floor.1.8 SlabGeneral term used to refer to slab on ground, stiffened rafts, footing slabs, stiffened footingslabs and waffle rafts.1.8 Slab on groundConcrete floor supported on the ground and incorporating integral edge beams.1.8 Slab panelPart of a slab between beams.1.8 Soil suctionNegative pore water pressure in soils, expressed in picofarads (pF). NOTE: pF = 1+log(u), where u = total soil suction in kilopascals.Accessed by TAFESA on 23 Aug 2019 (Document currency not guaranteed when printed) be457b7860