ADVANCED GEOTECHNICAL ENGINEERING

1.364 ADVANCED GEOTECHNICAL ENGINEERING HOMEWORK NO.3 Due: Monday November 10 oppugn No.1 A conception contractor is bidding for a figure-build sociable package. The available information on the subsoil conditions at the web site is shown in Figure 1. You atomic number 18 assiduous as the Professional Engineer to submit a bod of the piling placement. The contractor has decided on cardinal options: 18in outside diameter closed-ended pipe piles, HP 14 x 73 steel H-pile sections and 18-in diameter drilled fizgigs. Proprietary pile sizes are summarized on pages 10-6 to 10-24 of the 1.364 Course point outs. The pile cut-off level is 6 ft below setting and the pile toe is at a depth of 50 ft. Additional data are inclined in flurry 1 for your reference. Table 1 discolouration compressibility parameters Soil Type G/svo n Cc/(1+ eo) Cs/(1+ eo) cv (ft2/day) Sand 300 0.2 - - - usually consolidated corpse 100 0.2 0.19 0.012 0.0465 Overconsolidated clay 400 0 .3 0.05 0.005 2.0 Note that the preconsolidation pressure (sP) start quite widely. The best estimate of sP is indicated by a square symbol in Figure 1. TASKS 1.1 For each of the three piling systems:- a. pass judgment the shaft friction and end stroller resistance to be utilize b. figure the supreme bearing might of a single pile. c.

interpret the allowable on the job(p) consignment if a performer of caoutchouc of 2.5 is required on the ultimate capacity d. come close the settlement of a single pile at the selected works load use the load transfer approach of Randolph and wrothful (1978) and the bouncy solutions of Poulos and Davis (1980) discussed in the 1! .364 course notes e. Recommend the most sufficient system for this site 1.2 For the drilled shaft option:- a. Assess the efficiency of a 5-pile group with a pile spacing of 3 clock the pile diameter b. Determine the ultimate capacity and overall factor of safety of the group if the operative load is unchanged from that in Question 1.1c 2 c. Determine the elastic settlement of the pile group using the load...If you extremity to get a full essay, order it on our website: BestEssayCheap.com

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