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ISO DIS 22477-5

2016 Edition, September 29, 2016

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Geotechnical investigation and testing - Testing of geotechnical structures - Part 5: Testing of grouted anchors

Includes all amendments and changes through Draft , September 29, 2016

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Description / Abstract:

(1) This Standard establishes specifications for the execution of tension tests to be carried out on an anchor grouted in the ground, as defined in EN 1997-1 and EN 1537. Three methods of testing are recognised by this Standard. Method 1 involves cyclic tension loading with measurement of displacement at the load stages. Method 2 involves cyclic tension loading with measurement of loss at the load stages and Method 3 involves step-loading with measurement of displacement under successive maintained tension loads.

(2) The standard provides specifications for three types of tension tests as defined in EN 1997-1 and EN 1537: investigation tests, suitability tests and acceptance tests.

(3) Test methods (1, 2 or 3) shall be used consistently for all test types (Investigation, Suitability and Acceptance).

(4) The standard provides specifications for the experimental devices, the measurement apparatus, the test procedures, the definition and the presentation of the test results and the content of records.

(5) The standard does not provide specification for the size of the proof load and the limiting criteria. These shall be stated in EN 1997-1 or its national annex for CEN countries and in similar national application documents for this test standard for ISO countries
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