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Which of the following is/are true about cast-in-situ piles? a) Piles of any size and length may be constructed at the site. b) The damage due to driving and handling, which is common in the precast piles, is eliminated in this case. c) They are suitable in soils of poor drainage qualities. d)They cause vibrations and affect the surrounding structures.
The additional piles which are driven to increase the capacity of supporting loads on vertical piles, are known
Usually for a group of piles, piles caps are provided for which of the following reasons?
The following statements pertain to the occurrence of negative skin friction in piles. S1: It is developed when the pile is driven through a recently deposited clay layer. S2: It is developed when the pile is driven through a layer of dense sand S3: It is developed due to a sudden drawdown of the water table. Which of the above statement(s) is/are incorrect?
A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car averages when it is driven 10 miles in the city and then 50 miles on the highway?
A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car average when it is driven 10 miles in the city and then 60 miles on the highway?
In a group, there are six girls P, Q, R, S, T and U. Each of them drives one car among C1, C2, C3, C4, C5 and C6. None of them drives the same car. P doesn’t drive an even-numbered car. S drives C4. Car C5 is driven by either R or U. Q drives C1. Car C2 is not driven by T. Which cars are driven by P and T respectively?
Consider the following statement: 1. Initial load tests and routine load tests are carried out on test piles and working Piles, respectively. 2. In a pile load test, the allowable load can be taken equal to half the ultimate load at which the total settlement amounts to one-tenth of the pile diameter. 3. In a pile load test, the allowable load can be taken equal to two-thirds of the total toad which causes a plastic settlement of 6 mm. Which of the above statements are correct?
Consider the following statements: 1. The proportioning of footing in sand is more often governed by settlement rather than by bearing capacity. 2. The pressure bulb profiles under a strip footing form as co-axially imaginable bulbs under its length 3. Friction piles are also called ‘floating piles’ Which of the above statements are correct?
Which of the following statements is/are true? A. The proportioning of a footing is more often governed by its bearing capacity B. Friction piles are also called ‘Floating piles’