Geotechnical Engineering

DHARM 420 GEOTECHNICAL ENGINEERING Corrections to the computed settlement values will be necessary for the construction or load ...

DHARM SETTLEMENT ANALYSIS 421 P.C. Rutledge: Summary and closing address, Proceedings, ASCE Settlement Conference, 1964. S.B. S ...

DHARM 422 GEOTECHNICAL ENGINEERING 20 m X 120 m 40 m 40 m Fig. 11.18 Plan of spoil heap (Prob. 11.8) 11.9 A boring indicates the ...

12 .1 Introduction ‘Compaction’ of soil may be defined as the process by which the soil particles are artificially rearranged an ...

DHARM 424 GEOTECHNICAL ENGINEERING The degree of compaction of a soil is characterised by its dry density. The degree of compact ...

DHARM COMPACTION OF SOIL 425 water content corresponding to this maximum dry density is called the ‘optimum moisture content’. A ...

DHARM 426 GEOTECHNICAL ENGINEERING Substituting S = 95%, 90%, and so on, one can arrive at γd-values for different values of wat ...

DHARM COMPACTION OF SOIL 427 12.5.1Standard Proctor Test (AASHO Test) This test was developed by R.R. Proctor (1933) in connecti ...

DHARM 428 GEOTECHNICAL ENGINEERING The dry unit weight (γd) is obtained as γd = γ 1 100 F + HG I KJ w (f) The soil is broken wit ...

DHARM COMPACTION OF SOIL 429 60 50 A B 3 pins to formcatch for extension Removable extension 5 C 10 Push fit E Two lugs brazed o ...

DHARM 430 GEOTECHNICAL ENGINEERING 27 f 361.5 52 f 60 f 25 25 13 6, 12 holes f Guide length of travel of rammer 310 mm 6, 4 hole ...

DHARM COMPACTION OF SOIL 431 Enough water should be added to the specimen to bring its moisture content to about 7% (sandy soils ...

DHARM 432 GEOTECHNICAL ENGINEERING 12.5.5Abbot’s Compaction Test A metal cylinder, 52 mm internal diameter and 400 mm effective ...

DHARM COMPACTION OF SOIL 433 The phase of compaction may be properly accomplished by the use of appropriate equip- ment for comp ...

DHARM 434 GEOTECHNICAL ENGINEERING front is the common pattern. The compaction pressure are relatively low because of a large co ...

DHARM COMPACTION OF SOIL 435 The feet are usually either club-shaped (100 × 75 mm) or tapered (57 × 57 mm), the number on a 50 k ...

DHARM 436 GEOTECHNICAL ENGINEERING zone in the soil and then works its way towards the surface. A cylindrical vibrator weighing ...

DHARM COMPACTION OF SOIL 437 penetration of the needle and the penetration resistance (load applied) may be shown on a graduated ...

DHARM 438 GEOTECHNICAL ENGINEERING P(air-dry condition) Q (Point of minimum density) Water content % R (100% saturation) Dry den ...

DHARM COMPACTION OF SOIL 439 Improves bearing power and settlement Improves bearing power and settlement characteristics charac ...