标准号:IS 2720 Pt.40-1977
发布日期:1978/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard ( Part XL) covers a test for the determination of free swell index of soil which helps to identify the potential of a soil to swell which might need further detailed investigation regarding swelling and swelling pressures under different field conditions.