Geotechnical Engineering

DHARM 200 GEOTECHNICAL ENGINEERING Schaffernak: Uberdie Stansicherheit durchlaessiger ges chuetterter Damme, Allgem, Bauzeitung ...

DHARM SEEPAGE AND FLOW NETS 201 6.13 An excavation is to be performed in a stratum of clay, 9 m thick, underlain by a bed of san ...

7.1 Introduction When a structure is placed on a foundation consisting of soil, the loads from the structure cause the soil to b ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 203 The volume decrease of a soil under stress might be conceivably attributed ...

DHARM 204 GEOTECHNICAL ENGINEERING 7.2.1 One-dimensional Compression and Consolidation The previous discussion refers to compres ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 205 Soil sample Dial gauge Compression loading Steel ball Loading plate Water t ...

DHARM 206 GEOTECHNICAL ENGINEERING specimen shall be trimmed carefully so that the disturbance is minimum. The orientation of th ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 207 After the last load has been on for the required period, the load should be ...

DHARM 208 GEOTECHNICAL ENGINEERING Pressures 1 Pressures 2 Pressures 3 Compression Time t Fig. 7.3 Time-compression curve for su ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 209 ∴ ∆e = [(1 + e)/H].∆H ...(Eq. 7.1) 2.4 2.0 1.6 1.2 0.8 Void ratio e Pressur ...

DHARM 210 GEOTECHNICAL ENGINEERING 2.5 2.0 1.5 1.0 0.5 Void ratio e (arithmetic scale) PressureskN/m (log scale)^2 10 50 100 500 ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 211 It is observed that although there is some rebound on release of pressure, ...

DHARM 212 GEOTECHNICAL ENGINEERING 1.2 1.0 0.8 0.6 0.4 Void ratio e 10 20 30 40 50 100 200 300 400 500 1000 Virgin compression c ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 213 1.2 1.0 0.8 0.6 0.4 Void ration e 0 0.2 400 800 1200 1600 PressureskN/m (lo ...

DHARM 214 GEOTECHNICAL ENGINEERING was extra external loading acting on the area. Thus, the maximum stress to which the soil sam ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 215 imperative that one should know the stress history of the soil to predict i ...

DHARM 216 GEOTECHNICAL ENGINEERING R M E S B a a/2 T D C sRsE sC Void ratio e Effective stresss(log scale) Fig. 7.15 A. Casagran ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 217 7.2.8 Compressibility of Field Deposits The compressibility characteristics ...

DHARM 218 GEOTECHNICAL ENGINEERING consolidation of the field deposit in-situ, is also a straight line tending to pass through c ...

DHARM COMPRESSIBILITY AND CONSOLIDATION OF SOILS 219 7.2.10 Modulus of Volume Change and Consolidation Settlement The ‘modulus o ...