20.2.1 Test shall be carried out as the following steps.(1) After specimen is consolidated, close pore pressure valve,measure and record the readings of specific sleeve or measuring tubeand the axial displacemeter, and take the readings as initial reading...[继续阅读]

    20.3.1 Test shall comply with the following steps.(1) Test shall comply with the steps of 20.2.1.(2) In process of pressuring, pressure relief-repressuring shall beconducted. When it is pressurized to 30% of the estimated peak or50% of yield value, stop a...[继续阅读]

    20.4.1 Volumetric deformation modulus (K) test shall be conductedwith the following steps.(1) After saturation, measure initial reading of axial displacement,pore pressure gauge, water measure tube or volume change tube.(2) Open the pressure valve, add Cl...[继续阅读]

    21.0.1 This test method is suitable for saturation degree more than85% of the natural fine grained soil and disturbed fine grained soilswith moisture no less than the optimal one.21.0.2 Main instruments and apparatus shall comply with thefollowing require...[继续阅读]

    22.0.1 This test method is applicable to the undisturbed saturatedfine grained soils.22.0.2 This test takes the strain controlled triaxial apparatus andshall comply with (1), (4), (6), (7) and (10) of 19.2.1.22.0.3 The test shall be carried out according ...[继续阅读]

    23.0.1 This test method is suitable for fine grained soil and sandysoil with size less than 2 mm. The following shear methods shall beselected on the project need.(1) Quick shear (Q).(2) Consolidated quick shear (CQ).(3) Slow shear (S).(4) Repeat shear (r...[继续阅读]

    24.1.1 This test method is suitable for the cohesionless soil withparticle size less than 5 mm.24.1.2 Main instrument and equipment shall comply with thefollowing requirements.(1) Metal disc: diameter 20 cm, metal round bar of less than 10 mmdiameter with...[继续阅读]

    24.2.1 This test method is suitable for the cohesionless coarsegrained soil, and it is not suitable for underwater test.24.2.2 Main instruments and apparatus shall comply with thefollowing requirements.(1) Metal bar: with scale, reading to 1 cm.(2) Steel ...[继续阅读]

    25.0.1 This test is suitable for undisturbed soil or soil compactionwith particle size of less than 0.5 mm.25.0.2 Main instruments and apparatus shall comply with thefollowing requirements.(1) Lateral pressure apparatus: with lever type or scale type load...[继续阅读]

    26.1.1 This test is suitable for cohesive soils of particle size lessthan 0.5 mm without structure condition.26.1.2 Main instruments and apparatus shall comply with thefollowing requirements.(1) Measuring cylinder: volume of 50 mL, reading to 1 mL.(2) Soi...[继续阅读]