- #AUSTRALIAN STANDARD AS2870 DOWNLOAD FOR FREE#
- #AUSTRALIAN STANDARD AS2870 DOWNLOAD FULL VERSION#
- #AUSTRALIAN STANDARD AS2870 DOWNLOAD PDF#
- #AUSTRALIAN STANDARD AS2870 DOWNLOAD CODE#
Soft soil may not be strong enough to support the weight of your new building without extra precautions being taken. Soil could be soft because it is loose or unusually moist. Some of the common “ Problems” are: Įxtra soil that has been placed on your block that either hasn’t been compacted properly or that doesn’t have the paperwork (compaction tests) to show that it has been placed and compacted properly. You’ll need an engineer to design your footings to solve these problems. Usually the soil test has further clues that describe the problem with the soil. We see this site class about 28% of the time. Soft soils, loose soils,wet soils and other problems site are classed as: Class “P”: a problem site. We see Class “S” sites about 15% of the time. Nice and easy to design, there is no reactive clay movement to worry about. Firm sandy sites are classified Class “S”. This is a life-long soil condition and future homeowners need to be aware of the limits and disclaimers in the footing design. Very special care needs to be taken with the footing design and extra precautions are needed by the builder and homeowner (for the life of the building) to protect the house from slab heave. We see this site classification about 2% of the time.
#AUSTRALIAN STANDARD AS2870 DOWNLOAD CODE#
The footing and slab code starts introducing special requirements for drainage and for protecting pipes from the movement that is likely to occur. Ground movement is a bit more serious and care needs to be taken designing the footings and maintaining good drainage around the house. We see this site class around 20% of the time. Ground surface can move vertically between 20mm and 40mm between wet and dry conditions (seasons).Ĭlass “H”: a highly reactive clay. Ground movement isn’t ‘too bad’ and house slabs can easily be designed for this soil. We see this site classification about 35% of the time. Reactive clays are classed as follows: Class “M”: a moderately reactive clay. The change in volume results in the ground surface moving up and down and this can cause damage to a house. Reactive clays change in volume substantially when they absorb and release moisture. The main soil problems are: Soft soil Loose soil Overly wet soil Clay soil (reactive clays) Of these, the soil problem that has been getting the most bad press lately is reactive clay soils resulting in. Structural engineers need to know if there are any problems with the soil on your block so that they can design your house footings correctly for those site conditions. Soil tests are used to help structural engineers get some information about the soil on your block.
#AUSTRALIAN STANDARD AS2870 DOWNLOAD FULL VERSION#
According to the Australian Standard AS2870 residential slab and footing design.Īccess the full version online. Should the reader of this report have any additional. Australian Standards or to within the Building. That in the writers judgement and 30 years of industry experience do not reach the minimum acceptable standard. How reactive the soil on your site is will determine how your house will need to be built. Free full download australian standard as2870 2011 from AYS search results.We have.
#AUSTRALIAN STANDARD AS2870 DOWNLOAD PDF#
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#AUSTRALIAN STANDARD AS2870 DOWNLOAD FOR FREE#
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