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Significance and Use
5.1 This test method is considered satisfactory for the acceptance of commercial shipments of vertical strip drains.
5.1.1 In case of dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is any statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens that as homogenous as possible, and that are from a lot of material of the type in question. The test specimens.2 Vertical strip drains are installed in areas where it is desired to increase the rate of soil consolidation. It has been shown that as the soil around the vertical strip drain consolidates, a crimp may form in the vertical strip drain due to the movement of the drain in the area of soil consolidation.
5.3 This test method can be used to evaluate if there is any reduction in flow rate of water through the drain due to the crimping, and what effect, if any, this crimping may have on the rate of consolidation of the soil.
1. Scope
1.1 This test method is a performance test that measures the effect crimping has on the ability of vertical strip drains to transmit water parallel to the plane of the drain.
1.2 This test method is applicable to all vertical strip drains. 91.060.20 (Roofs)
UNSPSC Code
UNSPSC Code
DOI: 10.1520/D6918
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Citation Format
ASTM D6918-09(2014)e1, Standard Test Method for Testing Vertical Strip Drains in the Crimped Condition, ASTM International, West Conshohocken, PA, 2014, to Top