Geotechnical Engineering

DHARM 600 GEOTECHNICAL ENGINEERING Example 14.26: A footing, 2 m square, is founded at a depth of 1.5 m in a sand deposit, for w ...

DHARM BEARING CAPACITY 601 Example 14.27: Two load tests were conducted at a site—one with a 0.5 m square test plate and the oth ...

DHARM 602 GEOTECHNICAL ENGINEERING Fellenius’ method is based on circular slip surfaces and plastic equilibrium of the soil mas ...

DHARM BEARING CAPACITY 603 W.S. Housel: A Practical Method for the Selection of Foundations Based on Fundamental Re- search in ...

DHARM 604 GEOTECHNICAL ENGINEERING QUESTIONS AND PROBLEMS 14.1 To obtain a higher bearing capacity, either width of the footing ...

DHARM BEARING CAPACITY 605 (b) Give the approximate formula you will use for the design of: (i) square footing; (ii) circular fo ...

DHARM 606 GEOTECHNICAL ENGINEERING 14.23 What is the ultimate bearing capacity of a rectangular footing, 1.75 × 3.50 m, at a dep ...

15 .1 Introductory Concepts on Foundations The ultimate support for any structure is provided by the underlying earth or soil ma ...

DHARM 608 GEOTECHNICAL ENGINEERING D (depth)f b (width) D b Shallow foundation D > b Deep foundation f f £ Fig. 15.1 Foundati ...

DHARM SHALLOW FOUNDATIONS 609 An isolated footing may be square, circular, or rectangular in shape in plan, depending upon facto ...

DHARM 610 GEOTECHNICAL ENGINEERING Strap Section Strap Plan (a) Strap Section Strap Plan (c) Strap Section Strap Plan (b) Strap ...

DHARM SHALLOW FOUNDATIONS 611 Strong Stratum Weak Strata Hard stratum Wall Column Wall Section Plan Fig. 15.5 Raft (Mat) foundat ...

DHARM 612 GEOTECHNICAL ENGINEERING Pier foundations Pier foundations are somewhat similar to pile foundations but are typically ...

DHARM SHALLOW FOUNDATIONS 613 Floating foundation The floating foundation is a special type of foundation construction useful in ...

DHARM 614 GEOTECHNICAL ENGINEERING The approximate subsurface conditions or soil profile is to be ascertained. Each of the cust ...

DHARM SHALLOW FOUNDATIONS 615 2. Firm clay or silty clay extending to great depth Df > frost depth and zone of swelling and s ...

DHARM 616 GEOTECHNICAL ENGINEERING 8. Medium dense sand extend- ing to great depth Best solution is deep foun- dation. Cast-in-p ...

DHARM SHALLOW FOUNDATIONS 617 15.4 Spread Footings Spread footings are the most widely used type among all foundations be becaus ...

DHARM 618 GEOTECHNICAL ENGINEERING 15.4.2 Depth of Footings The important criteria for deciding upon the depth at which footings ...

DHARM SHALLOW FOUNDATIONS 619 Min. 60 cm (rock) 90 cm (soil) Frost depth Fig. 15.13 Edge distance for floating on sloping ground ...