标准号:ASTM D4971-1989(1998)
英文标准名称:Standard Test Method for Determining the In Situ Modulus of Deformation of Rock Using the Diametrically Loaded 76-mm (3-in.) Borehole Jack
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
国际标准分类号:93.020 (Earth works. Excavations. Foundation const