Geotechnical Engineering

DHARM 440 GEOTECHNICAL ENGINEERING (b) Bulk density, γ = 18 5 100 1000 1000 .( )×^3 × = 18.5 kN/m^3 (c) Dry density, γd = γ ()(. ...

DHARM COMPACTION OF SOIL 441 If the volume of the soil to be excavated from the borrow pit is Vb,then: V V e e b i b i = + + 1 1 ...

DHARM 442 GEOTECHNICAL ENGINEERING Table 12.2 Computation of dry density Water content % 5.02 8.81 11.25 13.05 14.40 19.25 Weigh ...

DHARM COMPACTION OF SOIL 443 Since S. e = w. G, Degree of saturation, S = wG e . = 13 3 2 77 046 .. . % × = 80.1% Example 12.6: ...

DHARM 444 GEOTECHNICAL ENGINEERING Since γd = G e G wG s w s . ww () . .. . , γγ (^11) 265 981 1 +^265 F + HG I KJ = × F × HG I ...

DHARM COMPACTION OF SOIL 445 From the figure, Optimum moisture content = 12% Maximum dry density = 19.5 kN/m^3 Correction for ov ...

DHARM 446 GEOTECHNICAL ENGINEERING References Alam Singh: Instrumentation for going metric in soil engineering testing, Jl. Ind ...

DHARM COMPACTION OF SOIL 447 (ii) By way of neat sketches explain (a) the effect of moisture content on the dry density for a co ...

DHARM 448 GEOTECHNICAL ENGINEERING Determine the quanity of soil to be excavated from the barrow pit and the amount of water to ...

13.1 Introduction Soil is neither a solid nor a liquid, but it exhibits some of the characteristics of both. One of the characte ...

DHARM 450 GEOTECHNICAL ENGINEERING Sheetpiling Sheetpiling Anchor rod Deadman Anchor support Stem Toe Heel Counterforts Buttress ...

DHARM LATERAL EARTH PRESSURE AND STABILITY OF RETAINING WALLS 451 13.3 Lateral Earth Pressures Lateral earth pressure is the for ...

DHARM 452 GEOTECHNICAL ENGINEERING Pressure Passive resistance case (force on wall) Active pressure case P (earth pressure at re ...

DHARM LATERAL EARTH PRESSURE AND STABILITY OF RETAINING WALLS 453 sh sv sh z H H KHog Po Ground surface (a) Stresses on element ...

DHARM 454 GEOTECHNICAL ENGINEERING If a structure such as a retaining wall of height H is interposed from the surface and imagin ...

DHARM LATERAL EARTH PRESSURE AND STABILITY OF RETAINING WALLS 455 revetments in 1687. Since then, several investigators have pro ...

DHARM 456 GEOTECHNICAL ENGINEERING Unit area z Stretching 45° + /2f 45° + /2f Horizontal ground surface (minor) sh sv sh sgvz= P ...

DHARM LATERAL EARTH PRESSURE AND STABILITY OF RETAINING WALLS 457 Rankine (1857) was the first to investigate the stress conditi ...

DHARM 458 GEOTECHNICAL ENGINEERING This is twice the angle made by the plane on which the stress conditions are represented by t ...

DHARM LATERAL EARTH PRESSURE AND STABILITY OF RETAINING WALLS 459 σv at a depth z below the surface = γ.z Assuming that the wall ...