ASTM Standards ASTM D3080/D3080M-23 pdf download – Standard Test Method For Direct Shear Test Of Soils Under Consolidated Drained Conditions ASTM D3080/D3080M-23 pdf download - Standard Test Method For Direct Shear Test Of Soils Under Consolidated Drained Conditions. 1.1 This test method is designed to assess the consolidated drained shear strength of a soil material sample under... 10-22 Read More