Geotechnical Engineering

DHARM 700 GEOTECHNICAL ENGINEERING Table 17.1 Suggested gradings for mechanically stabilised base and surface courses (adapted f ...

DHARM SOIL STABILISATION 701 surface course also should be 76 mm thick with a minimum of one-third portion of sand in the soil m ...

DHARM 702 GEOTECHNICAL ENGINEERING Application of thermal gradient Heating or cooling a soil can cause significant changes in it ...

DHARM SOIL STABILISATION 703 (ii)Water-proofers: Bituminous materials prevent absorption of moisture. These may be used if the n ...

DHARM 704 GEOTECHNICAL ENGINEERING calcium chloride may render a soil more suitable for stabilisation with cement in spite of th ...

DHARM SOIL STABILISATION 705 Applications Soil-cement is used as base course for pavements for light traffic. Pressed soil-cemen ...

DHARM 706 GEOTECHNICAL ENGINEERING Passing 75–μ sieve : 10 to 30% Liquid limit : less than 40% Plasticity Index : less than 18 W ...

DHARM SOIL STABILISATION 707 Lime has the following effects on soil properties: Lime generally increases the plasticity index of ...

DHARM 708 GEOTECHNICAL ENGINEERING Stabilisation with natural and synthetic resins Certain natural as well as synthetic resins, ...

DHARM SOIL STABILISATION 709 Grouting materials The following have been used for grouting: (i) Soil (ii) Portland cement (iii) B ...

DHARM 710 GEOTECHNICAL ENGINEERING 17.5 CALIFORNIA BEARING RATIO The strength of the subgrade is an important factor in the dete ...

DHARM SOIL STABILISATION 711 1.5 Holesf 5 Plan Extension collar Mould Perforated base plate 10 mm thick 1.5 8.5 50 175 235 f Mou ...

DHARM 712 GEOTECHNICAL ENGINEERING penetration test. The density of the soil and the water content of the soil must be determine ...

DHARM SOIL STABILISATION 713 as per IS: 2720 (Part-II)-1973. The presence of any oversize particles shall be verified which may ...

DHARM 714 GEOTECHNICAL ENGINEERING 9810 8829 7848 6867 5886 4905 3924 2943 1962 981 0 100 90 80 70 60 50 40 30 20 10 0 Unit load ...

DHARM SOIL STABILISATION 715 17.5.2Use of CBR Design curves have been developed by different authorities for determining the app ...

DHARM 716 GEOTECHNICAL ENGINEERING It has been suggested that C.B.R. curve may be drawn using the equation: d = WA (CBR)x − .. ...

DHARM SOIL STABILISATION 717 17.6.1 Geosynthetics ‘‘Geotextile’’ means a textile used in geotechnical practice and is of relativ ...

DHARM 718 GEOTECHNICAL ENGINEERING Fluid Transmission: A geosynthetic provides fluid transmission when it collects a liquid or ...

DHARM SOIL STABILISATION 719 Load versus penetration curve is drawn as shown in Fig. 17.7. 9.6 7.4 01 234 567 8 Penetration, mm ...