Geotechnical Engineering

DHARM 620 GEOTECHNICAL ENGINEERING maximum load. Empirical equations for bearing capacity in terms of N-value may be used (Chapt ...

DHARM SHALLOW FOUNDATIONS 621 Footings on clay will experience settlement which consists of three components (Skempton and Bjerr ...

DHARM 622 GEOTECHNICAL ENGINEERING (viii) Service loads for all other columns are computed. (ix) The area of the footing for eac ...

DHARM SHALLOW FOUNDATIONS 623 Resultant force within the middle third of the base A footing subjected to moment is shown in Fig. ...

DHARM 624 GEOTECHNICAL ENGINEERING qmax = V bL e b F 1 +^6 HG I KJ ...(Eq. 15.4) qmin = V bL e b F 1 − 6 HG I KJ ...(Eq. 15.5) E ...

DHARM SHALLOW FOUNDATIONS 625 V R H e b Base area b×L x=3—–eb 2 e —–eb 2 (a) Elevation of footing (b) Soil pressure e>—b 6 No ...

DHARM 626 GEOTECHNICAL ENGINEERING The location of the maximum and minimum soil pressures may be determined readily by observing ...

DHARM SHALLOW FOUNDATIONS 627 If there is eccentricity about both axes, the product of the two factors must be used. 0.8 0.6 0.4 ...

DHARM 628 GEOTECHNICAL ENGINEERING the coefficient of friction between the base of the footing and the soil beneath it. This is ...

DHARM SHALLOW FOUNDATIONS 629 Meyerhof (1953) proposed an analysis of footings subjected to inclined loads and con- structed con ...

DHARM 630 GEOTECHNICAL ENGINEERING Footings must be constructed only on slopes which are stable. The stability of the slope itse ...

DHARM SHALLOW FOUNDATIONS 631 It may be inferred from this figure that the two individual footings is a problem of statics if th ...

DHARM 632 GEOTECHNICAL ENGINEERING the distribution of soil pressure is reasonably uniform. In addition, the dimensions of the f ...

DHARM SHALLOW FOUNDATIONS 633 15.6.2 Trapezoidal Combined Footing When the two column loads are unequal, the exterior column car ...

DHARM 634 GEOTECHNICAL ENGINEERING where qa = allowable soil pressure. By taking moments about the property line or left edge, a ...

DHARM SHALLOW FOUNDATIONS 635 strength for relatively large column loads. (c) is a raft with thickened bands provided along colu ...

DHARM 636 GEOTECHNICAL ENGINEERING 15.7.3Bearing Capacity of Rafts on Clays The net ultimate bearing capacity is divided by the ...

DHARM SHALLOW FOUNDATIONS 637 Equation 15.25 is established from experiments and Eq. 15.26 from the pressure bulb concept. Effec ...

DHARM 638 GEOTECHNICAL ENGINEERING ka and kb must be evaluated by at least two tests using two different sizes, say 300 mm squar ...

DHARM SHALLOW FOUNDATIONS 639 case of clay, minimum pressure occurs in the middle and maximum (in fact, sometimes, very high) pr ...