This standard specifies the methods for soil classification andphysical and mechanical property tests of soils.This standard is applicable to laboratory and in situ tests of basicengineering properties of soils for foundations, slopes, undergroundchambers...[繼續(xù)閱讀]

    The following documents contain provisions which, throughreference in this text, constitute provisions of this standard. For datedreferences, subsequent amendments (excluding errata) to, or revisionof these publications do not apply. However, parties to a...[繼續(xù)閱讀]

    3.0.1 This standard is formulated to standardize the test methods ofsoil, to improve the accuracy of test results and promote theconsistence and comparability of test results for hydropower andwater conservancy projects.3.0.2 The test samples shall be rep...[繼續(xù)閱讀]

    4.0.1 This method is applicable to classification and naming ofsoils used in hydropower and water conservancy projects.4.0.2 The classification and naming of soil fractions shall be inaccordance with Table 4.0.2.Table 4.0.2 Soil fraction classification an...[繼續(xù)閱讀]

    5.1.1 This test method is applicable to various soils with a grainsize less than 20 mm.5.1.2 The main apparatus shall be in accordance with the followingprovisions.(1) Coarse sieves: mesh sizes 20 mm and 10 mm.(2) Fine sieves: mesh sizes 5 mm, 2 mm and 0....[繼續(xù)閱讀]

    5.2.1 The saturation method should be chosen according to the soilproperties and required saturation level.(1) Cohesionless coarse-grained soils may be saturated by directsoaking or in saturation apparatus.(2) The fine-grained soils with a permeability co...[繼續(xù)閱讀]

    6.1.1 This test method is applicable to the soils of particles notcoarser than 60 mm.6.1.2 The main apparatus shall meet the following requirements.(1) Oven: control the temperature from 105℃ to 110℃.(2) Balance: of capacity 200 g, sensitive to 0.01 g; of...[繼續(xù)閱讀]

    6.2.1 This test method is applicable to the fine-grained soils.6.2.2 The main apparatus shall meet the following requirements.(1) Container.(2) Balance: of capacity 200 g, sensitive to 0.01 g.(3) Alcohol: purity not less than 95%.6.2.3 The test shall be c...[繼續(xù)閱讀]

    6.3.1 This test method is applicable to the coarse-grained soils withthe maximum particle size not more than 60 mm.6.3.2 The main apparatus shall meet the following requirements.(1) Heat source: electric stove or furnace.(2) Metal container: metal dish or...[繼續(xù)閱讀]

    7.1.1 This test method is applicable to undisturbed samples andcompacted samples of fine-grained soils.7.1.2 The main apparatus shall meet the following requirements.(1) Cutting ring: internal diameter not less than 50 mm, and heightnot less than 20 mm.(2...[繼續(xù)閱讀]