(6) Deteremine the shim fruiction capacity of a castim situ bored RCC pile of dia 20 imch and length 5oftsand loyerThe top of pile is athomogeneous1oft below the grocnd swrface Unit weght,in4.at satwrated condition 120pcf and amgle ofnternal fruiction 30°. QWT is at graund Surface.(P-177) TOWOR'147

Calculate the effective vertical stress distribution along the length of the pile, σ' = σ - u…

(6) Detercmine the shim fruiction capacty of a cast in situ bored RCC pile of dia 20 imch and length st sand layerr The top of pile is at in homegeneous 10ft below the grocnd swrface Unit weght, at saturated condition 120pcf and angle of internal friction 30°. aWT is at grond Surface. ( p-127) EOWOR147

(6) Detercmine the shim fruiction capacty of a cast in situ bored RCC pile of dia 20 imch and length st sand layerr The top of pile is at in homegeneous 10ft below the grocnd swrface Unit weght, at saturated condition 120pcf and angle of internal friction 30°. aWT is at grond Surface. ( p-127) EOWOR147

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter12: Pile Foundations

Section: Chapter Questions

Problem 12.7P: A driven closed-ended pile, circular in cross section, is shown in Figure P12.7. Calculate the...

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Concept explainers

Sediment transport

Sediment transport or Soil transport is the movement of solid particles, usually due to the combination of gravitational forces acting on the sediment, and the movement of the liquid at which the sediment enters. Soil erosion occurs in natural systems where the particles are sandstones (sand, rocks), mud, or clay; the liquid is air, water, or ice; and the gravitational force that works to move particles to the landing surface. Sediment transportation or soil migration due to the movement of liquids occurs in rivers, lakes, lakes, oceans, and other bodies of water as a result of currents and waves. Transportation is also caused by glaciers as they flow, and to places on earth under the influence of wind. Soil erosion due to gravity alone is possible in most sloping areas, including hills, scarves, cliffs, and the continental shelf — the continental boundary of the slope.

Question

(6) Deteremine the shim fruiction capacity of a cast
im situ bored RCC pile of dia 20 imch and length 5oft
sand loyer
The top of pile is at
homogeneous
1oft below the grocnd swrface Unit weght,
in
4.
at satwrated condition 120pcf and amgle of
nternal fruiction 30°. QWT is at graund Surface.
(P-177) TOWOR'147

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A steel pile (H-section; HP 310 125; see Table 12.1a) is driven into a layer of sandstone. The length of the pile is 25 m. Following are the properties of the sandstone: unconfined compression strength = qu(lab) = 80 MN/m2 and angle of friction = 36. Using a factor of safety of 3, estimate the allowable point load that can be carried by the pile. Use [qu(design) = qu(lab)/5].
Solve Problem 12.23 using the method of Broms. Assume that the pile is flexible and free headed. Let the soil unit weight, = 16 kN/m3; the soil friction angle, = 30; and the yield stress of the pile material. FY = 21 MN/m2. 12.23 A 30 m long concrete pile is 305 mm 305 mm in cross section and is fully embedded in a sand dcposit. If nh = 9200 kN/m2, the moment at ground level Mg = 0, the allowable displacement of pile head = 12 mm; Ep = 21 106 kN/m2, and FY(pile) = 21,000 kN/m2, calculate the allowable lateral load, Qg, at the ground level. Use the elastic solution method.
A 400 mm 400 mm square precast concrete pile of 15 m length is driven into a sand where = 18.0 kN/m3 and = 33. Assuming = 0.7 and K = 1.4 Ko, determine the load-carrying capacity of the pile with a factor of safety of 3. Use Meyerhofs method [Eq. (12.18)] for computing the point load-carrying capacity Qp, and Eqs. (12.42) and (12.43) for computing the load-carrying capacity of the pile shaft Qs.
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A 400 mm 400 mm square precast concrete pile of 15 m length is driven into a sand where = 18.0 kN/m3 and = 33. Assuming = 0.7 and K = 1.4Ko, determine the load carrying capacity of the pile with factor of safety of 3.0.
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