A driven closed-ended pile, circular in cross section, is show in below figure P10. Calculate thefollowing: 1). the ultimate point load Qp, using Meyehof's equations (9.15) and (9.16); 2). Theultimate frictional resistance Q, with equations (9.40) through (9.44); 3). Calculate allowableload-carrying capacity for the pile with FS of 3. (K = 1.4; 8' = 0.80')15.7 kN/md' = 32°c' =03 mGroundwatertable= 18.2 kN/mYsatd' = 32°3 mc = 0Yat = 19.2 kN/m³4' = 40"c = 015 m381 mm . A steel H-pile (section HP13 x100) is driven by a hammer. The maximum rated hammer energyis 40 kip-ft, the weight of the ram is 12 kip, and the length of the pile is 90 ft. Also, we havecoefficient of restitution = 0.35, weight of the pile cap = 2.4 kip, hammer efficiency = 0.85,number of blows for the last inch of penetration = 12, and Ep = 330 x 106 Ib/in.2. Estimate thepile capacity using Eq. (9.114). Take FS = 5.

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A driven closed-ended pile, circular in cross section, is show in below figure P10. Calculate the following: 1). the ultimate point load Qp using Meyehof's equations (9.15) and (9.16); 2). The ultimate frictional resistance Q, with equations (9.40) through (9.44); 3). Calculate allowable load-carrying capacity for the pile with FS of 3. (K = 1.4; 8' = 0.84') y = 15.7 kN/m? 6' = 32° c' =0 - 18.2 kN/m 3 m Groundwater table: Yat d' = 32° c' =0 3 m

A driven closed-ended pile, circular in cross section, is show in below figure P10. Calculate the following: 1). the ultimate point load Qp using Meyehof's equations (9.15) and (9.16); 2). The ultimate frictional resistance Q, with equations (9.40) through (9.44); 3). Calculate allowable load-carrying capacity for the pile with FS of 3. (K = 1.4; 8' = 0.84') y = 15.7 kN/m? 6' = 32° c' =0 - 18.2 kN/m 3 m Groundwater table: Yat d' = 32° c' =0 3 m

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Pile Foundation

Section: Chapter Questions

Problem 18.7P

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