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Standard Test Method for Testing Rock Slabs to Evaluate Soundness of Riprap by Use of Sodium Sulfate or Magnesium Sulfate
Automatische name übersetzung:
Standard Test Method for Testing Felsplatten auf Solidität des Blockwurf durch Verwendung von Natriumsulfat oder Magnesiumsulfat Bewerten
NORM herausgegeben am 1.1.2004
Bezeichnung normen: ASTM D5240-04
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.1.2004
SKU: NS-30414
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
riprap, rock defects, rock durability, rock weathering, soundness of riprap, ICS Number Code 91.100.15 (Mineral materials and products)
Significance and Use | ||||||||||||||||
Rock riprap is composed of pieces of natural rock that are placed on construction projects to minimize the effects of erosion. The ability of riprap to withstand deterioration from weathering affects both the effectiveness of the project and its cost. The sodium sulfate or magnesium sulfate soundness test is one method by which to estimate qualitatively the durability of rock under weathering conditions. Note 1—The quality of results produced by this standard is dependent on the competence of the personnel performing it and suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D 3740 are generally considered capable of competent and objective testing. Reliable results depend on many factors and Practice D 3740 provides a means of evaluating some of them. The results of this test method are not to be used as the sole basis for determination of rock durability, but rather should always be used in conjunction with the results of other tests. This test method has been used to evaluate many different types of rocks. There have been occasions when test results have provided data that have not agreed with the durability of rock under actual field conditions; samples yielding a low soundness loss have disintegrated in actual usage, and the reverse has been true. |
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1. Scope | ||||||||||||||||
1.1 This test method covers test procedures for evaluating the soundness of riprap by the effects of a sodium or magnesium sulfate solution on slabs of rock. 1.2 The values stated in either SI or inch-pound units are to be regarded as the standard. 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. |
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2. Referenced Documents | ||||||||||||||||
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