determine: Pile Load Test -- You are to use the results of a pile load test given below to A. The Ultimate Load that could be placed on a 14-inch diameter (O.D.) steel pipe pile, with 1/2 in. wall thickness, and with closed end (same 14-inch diameter), but not filled with concrete. The pile was driven 130 ft. into a medium dense alluvial medium to fine sand deposit. Use Davisson method to interpret the results and determine both the Qult and the Qall. Plot the data on a separate sheet with axes properly labeled. Use scale for settlement 1-inch = 0.5 in settlement. Use scale for load 1-inch = 50 tons. Measured Measured Load on Top of Pile (tons) Settlement of Pile TOP (in.) Settlement of Pile TIP (in.) 35 0.12 0.00 70 0.25 0.06 105 0.47 0.10 140 0.75 0.30 175 1.12 0.57 210 1.73 0.83 245 2.16 1.16 280 2.60 1.51 B. How much of the test load actually penetrated to the tip of the pile at the full 280 ton load of the test. Make the proper calculations necessary to determine the proportions of Qs and Quip.
determine: Pile Load Test -- You are to use the results of a pile load test given below to A. The Ultimate Load that could be placed on a 14-inch diameter (O.D.) steel pipe pile, with 1/2 in. wall thickness, and with closed end (same 14-inch diameter), but not filled with concrete. The pile was driven 130 ft. into a medium dense alluvial medium to fine sand deposit. Use Davisson method to interpret the results and determine both the Qult and the Qall. Plot the data on a separate sheet with axes properly labeled. Use scale for settlement 1-inch = 0.5 in settlement. Use scale for load 1-inch = 50 tons. Measured Measured Load on Top of Pile (tons) Settlement of Pile TOP (in.) Settlement of Pile TIP (in.) 35 0.12 0.00 70 0.25 0.06 105 0.47 0.10 140 0.75 0.30 175 1.12 0.57 210 1.73 0.83 245 2.16 1.16 280 2.60 1.51 B. How much of the test load actually penetrated to the tip of the pile at the full 280 ton load of the test. Make the proper calculations necessary to determine the proportions of Qs and Quip.
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 12.8P: Consider a 500 mm diameter pile having a length of 18 m in a clay. Given: γ = 20.0 kN/m3 and cu = 60...
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Transcribed Image Text:determine:
Pile Load Test -- You are to use the results of a pile load test given below to
A. The Ultimate Load that could be placed on a 14-inch diameter (O.D.) steel pipe pile,
with 1/2 in. wall thickness, and with closed end (same 14-inch diameter), but not filled
with concrete.
The pile was driven 130 ft. into a medium dense alluvial medium to fine sand deposit.
Use Davisson method to interpret the results and determine both
the Qult and the Qall.
Plot the data on a separate sheet with axes properly labeled.
Use scale for settlement 1-inch = 0.5 in settlement. Use scale for load 1-inch = 50 tons.
Measured
Measured
Load on Top of Pile (tons)
Settlement of Pile TOP (in.)
Settlement of Pile TIP (in.)
35
0.12
0.00
70
0.25
0.06
105
0.47
0.10
140
0.75
0.30
175
1.12
0.57
210
1.73
0.83
245
2.16
1.16
280
2.60
1.51
B. How much of the test load actually penetrated to the tip of the pile at
the full 280 ton load of the test.
Make the proper calculations necessary to determine the proportions of Qs and Quip.
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