Soil Mechanics for Unsaturated Soils phần 4 potx

... and (8.100) show that for an elastic, (8.105) Equations (8.1 04) and (8.105) have the same form as the pore-water pressure generation equation for Saturated soils under triaxial loading ... with the force equilibrium equations. Formulation for Two-Dimensional Flow The following derivation is for the general case of a her- erogeneous, anisotropic, unsaturated...

Ngày tải lên: 09/08/2014, 22:24

... 392 392 393 3 94 395 397 397 40 1 40 3 40 4 40 5 40 6 40 6 40 7 40 8 40 8 41 0 41 0 41 1 41 1 41 2 41 3 41 4 41 5 41 7 41 9 41 9 42 0 42 2 42 3 42 4 42 4 42 4 42 5 42 6 1.3 TYPICAL ... 2.8099 2.9 846 3.1686 3.3625 3.5666 3.78 14 4.00 74 30 4. 245 1 4. 4 949 4. 75 74 5.0332 5.3226 5.62 64 5. 945 1 6.2793 6.6296 6.9967 to (“C) 0 2 4 6 8 1...

Ngày tải lên: 09/08/2014, 22:23

... N-33 N- 34 N-35 N-36 N-37 N-38 N-39 N -40 N -41 42 0.7 359 .4 49 5.3 701.7 2 34. 2 47 4.8 2 74. 6 343 .1 41 1 .4 47 9.5 549 .0 272.8 41 0.9 48 0 .4 547 .5 615 .4 549 .4 47 9.2 41 2.6 278.7 ... 278.7 270.9 40 6.8 613.2 138.3 3 94. 6 202.2 270.5 338.3 40 6.3 47 6 .4 202.2 338.5 40 7.8 47 3.7 541 .2 47 7.1 40 7.6 340 .7 109.6 3.0...

Ngày tải lên: 09/08/2014, 22:24

... Figs. 4. 75, 4. 76, and 4. 77. The soils were sampled in the field using Shelby tubes. Matric suction measumments on compacted soils have also been performed on a silt from Brazil (Fig. 4. 78). ... the driving potential for flow in that phase. This is equally true for saturated and unsaturated soils. 5.1.1 Driving Potential for Water Phase The driving potential fo...

Ngày tải lên: 09/08/2014, 22:24

... saturated soils has commonly been estimated using this procedure (Bishop and Henkel, 1962). This theory has been extended to embrace unsaturated soils testing. For unsaturated soils, it ... Table 9.1, for soils from various geographic locations. 0 Net normal stress, (a - u.) Figure 9.18 Extended Mohr-Coulomb failure envelope for unsaturated soils. 248...

Ngày tải lên: 09/08/2014, 22:24

... 44 8.05 72.56 239.83 72.57 126.2 5 72.58 347 .7 72.55 2 04. 53 6 72.53 49 4.5 72.57 321.89 7 72.20 5 04. 34 CHAPTER 11 Plastic and Limit Equilibrium Deformation problems encountered in soil ... Undisturbed marine clay Quick clay - 74. 0 61 37 34 - - 0 .46 - 0.36 - 9.3 0 .44 0 .42 31 1.55 0.66 28.6 45 .4 1.2 0.57 38 23 0.32 0.66 21 16 0.21 0 .48 2...

Ngày tải lên: 09/08/2014, 22:24

... AMONG VOLUMETRIC DEFORMATION COEFFICIENTS The constitutive equations or surfaces for unsaturated soils have been formulated and presented in three forms. In the elasticity form, the E, If, ... small deformations. The semi-empirical approach is more commonly used in conventional soil mechanics, and is used herein to formu- late the constitutive relations for unsaturate...

Ngày tải lên: 09/08/2014, 23:20

... 358.7 560.9 163.8 1 64. 4 2 14. 4 215.6 Au = +202.2 2 560.9 559.0 1 64. 4 163.1 215.6 42 1.1 Auw = +205.5 3 47 5.1 47 6.8 41 .9 42 .2 397.8 206.5 Au~ = - 191.3 4 61 1 .4 610.1 177.3 379.2 ... log r]. 1 +eo J i-1 ( 14. 24) Substituting Eq. ( 14. 15) into Eq. ( 14. 24) for “j” equal to 35 gives CS H AH, = - r(-0 .43 0 + log r). 1 + eo ( 14....

Ngày tải lên: 09/08/2014, 23:20

... V, = volume of soils solids in the soil V = total volume of the soil I, = volumetric specific heat capacity for the water phase (Le., 4. 1 54 X lo6 J/m3/"C for water at 35°C ... transient analyses which can be performed. This chapter sets forth the theoretical basis for two- and three-dimen- sional unsteady-state flow analysis in unsaturated soils. Al...

Ngày tải lên: 09/08/2014, 23:20

... 39 40 41 42 43 44 45 46 48 51 217 218 222 223 227 228 230 233 237 238 243 256 257 259 346 347 348 349 351 352 353 3 54 358 359 360 361 362 3 64 370 371 373 377 40 1 40 6 42 1 42 4 43 7 ... Uncoupled formulations 44 0 anisotropic soil 44 1 isotropic soil 44 0 plane strain 44 0 two-dimensional 159 44 0 44 7 unsteady state seepage 44 0 Undr...

Ngày tải lên: 09/08/2014, 23:20