2. Two cylindrical steel piles (P1 and P2) are to be driven along the shore. Two total stations were set up at TS3 and TS4 respectively to guide pile driving of the two piles. TS1 and TS2 were observed from both instrument and the following data were recorded (refer from the figure below). The distances from both instrument to the pile locations were also measured. a. Determine the coordinates of TS3. b. Determine the coordinates of TS4. c. Determine the coordinates of P1 d. Determine the bearing from P1toP2. N=8415.591 ATE4 E-3414.175 1975.655m ATS3 1451 931m 39 11'59" P1 3005.480m N=6523.709 E=3021.8324 2247.900m. 2094.661m 45°20'18" 1677.062m. 1994.379m 2702.590m

2. Two cylindrical steel piles (P1 and P2) are to be driven along the shore. Two total stations were set up at TS3 and TS4 respectively to guide pile driving of the two piles. TS1 and TS2 were observed from both instrument and the following data were recorded (refer from the figure below). The distances from both instrument to the pile locations were also measured. a. Determine the coordinates of TS3. b. Determine the coordinates of TS4. c. Determine the coordinates of P1 d. Determine the bearing from P1toP2. N=8415.591 ATE4 E-3414.175 1975.655m ATS3 1451 931m 39 11'59" P1 3005.480m N=6523.709 E=3021.8324 2247.900m. 2094.661m 45°20'18" 1677.062m. 1994.379m 2702.590m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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hello please help me this multi choice question
A 16 in diameter, 75 ft long drilled displacement pile is made of grout with f'c = 5,000 lb/in2. A steel ratio of 0.04 is to be used in the upper 30 ft, and a steel ratio of 0.001 for the remainder of the pile. Compute the modulus of elasticity for the upper and lower portions of this pile.
A concrete pile group 3x3 with spacing of 0.6m is used to support a wind turbine in a sand deposit. Individual pile diameter = 0.3 m and length=6m. A. If the allowable (working) lateral capacity for a single pile is 95 kN, what is the maximum allowable lateral deflection for each pile? B. Is the lateral deflection acceptable? Explain your answer in 1-2 sentences.
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A helical pile with 12 in diameter flights and a 2 in square rod is to be installed to a depth of 30 ft in a silty clay. The undrained shear strength is 1,000 lb/ft2 and the groundwater table is at a depth of 40 ft. The individual helixes are located every 5 ft along the length of the pile, and the pile has an average weight of 100 lb/ft (including the embedded soil). Using a factor of safety of 3, determine the ASD allowable uplift capacity, Pup,a.
A square prestressed concrete pile with a 14 inch side is to be driven to the necessary depth. It needs to be able to support 105 kips. It has been determined that the point resistance qp is 120 ksf and the side friction fs is 450 psf. Use formula 12.2 (see attached image) to estimate how long the pile needs to be with a factor of safety of at least 2.5. Round your answer to a multiple of 5 feet. Use L as a variable to calculate the load in formula 12.2. L can be obtained from this equation.
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