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ASTM International - ASTM D4436-84(1998)

Standard Test Method for Rock Bolt Long-Term Load Retention Test

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Organization: ASTM International
Publication Date: 10 December 1998
Status: inactive
Page Count: 4
ICS Code (Earthworks. Excavations. Foundation construction. Underground works): 93.020
scope:

1.1 The objective of this test method is to determine the time over which rock bolt tension decreases from the installed value to a designated minimum value.

1.2 This test method is applicable to any anchor system which is not fully encapsulated immediately upon installation, including mechanical, cement grout, resin (epoxy, polyester, and the like) or other similar systems.

1.3 The values stated in inch-pound units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

November 1, 2013
Standard Test Method for Rock Bolt Long-Term Load Retention Test
5.1 Rock bolts are used for support in a variety of mining and civil engineering situations.3 After a bolt is installed, the load generally decreases over time due to deterioration of the borehole...
November 1, 2013
Standard Test Method for Rock Bolt Long-Term Load Retention Test
5.1 Rock bolts are used for support in a variety of mining and civil engineering situations.3 After a bolt is installed, the load generally decreases over time due to deterioration of the borehole...
July 1, 2008
Standard Test Method for Rock Bolt Long-Term Load Retention Test
Rock bolts are used for support in a variety of mining and civil engineering situations. After a bolt is installed, the load generally decreases over time due to deterioration of the borehole wall,...
July 1, 2004
Standard Test Method for Rock Bolt Long-Term Load Retention Test
1.1 The objective of this test method is to determine the time over which rock bolt tension decreases from the installed value to a designated minimum value. 1.2 This test method is applicable to any...
ASTM D4436-84(1998)
December 10, 1998
Standard Test Method for Rock Bolt Long-Term Load Retention Test
1.1 The objective of this test method is to determine the time over which rock bolt tension decreases from the installed value to a designated minimum value. 1.2 This test method is applicable to...
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