AS 4133.4.1-1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Methods of testing rocks for engineering purposes Rock strength tests - Determination of point load strength index
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29-05-2024
01-01-1993
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AS 4133.4.1-1993 sets out the method for determining the strength of rock specimens in the field using portable equipment.
| Committee |
CE-009
|
| DocumentType |
Standard
|
| ISBN |
0 7262 8382 7
|
| Pages |
5
|
| PublisherName |
Standards Australia
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes | |
| UnderRevision |
This Standard sets out the method for determining the strength of rock specimens in the field using portable equipment. Specimens in the form of either rock core (the 'diametral' and 'axial' tests) or irregular lumps (the 'irregular lump' test) are broken by application of a concentrated load using a pair of conical platens. A point load strength index, Is(50), is obtained and may be used to classify rocks by strength.
First published as AS 4133.4.1-1993.
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