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A cycle load test is performed to determine a pile's
- a)Skin resistance
- b)Tip resistance
- c)Ultimate load capacity under repetition
- d)Skin resistance and tip resistance separately
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
A cycle load test is performed to determine a pilesa)Skin resistanceb)...
Cycle Load Test for Piles
A cycle load test is a type of load test performed on piles to determine their ultimate load capacity under repetition. It involves applying a cyclic load to the pile and monitoring the pile's response to the load. The test is performed to assess the pile's long-term performance and to determine its resistance to fatigue failure.
Skin Resistance and Tip Resistance
During the cycle load test, the skin resistance and tip resistance of the pile are determined separately. Skin resistance is the resistance that the soil exerts on the pile shaft, while tip resistance is the resistance that the soil exerts on the pile tip. These two types of resistance are critical in determining the pile's ultimate load capacity.
Skin Resistance Testing
Skin resistance testing involves applying a cyclic load to the pile and measuring the deflection of the pile shaft. The deflection is used to calculate the skin resistance of the pile. Skin resistance testing is essential for determining the pile's capacity to resist lateral loads and bending.
Tip Resistance Testing
Tip resistance testing involves applying a cyclic load to the pile and measuring the deflection of the pile tip. The deflection is used to calculate the tip resistance of the pile. Tip resistance testing is essential for determining the pile's capacity to resist axial loads.
Conclusion
In conclusion, a cycle load test is performed to determine the ultimate load capacity of a pile under repetition. During the test, the skin resistance and tip resistance of the pile are determined separately. Skin resistance testing is essential for determining the pile's capacity to resist lateral loads and bending, while tip resistance testing is essential for determining the pile's capacity to resist axial loads.
A cycle load test is a type of load test performed on piles to determine their ultimate load capacity under repetition. It involves applying a cyclic load to the pile and monitoring the pile's response to the load. The test is performed to assess the pile's long-term performance and to determine its resistance to fatigue failure.
Skin Resistance and Tip Resistance
During the cycle load test, the skin resistance and tip resistance of the pile are determined separately. Skin resistance is the resistance that the soil exerts on the pile shaft, while tip resistance is the resistance that the soil exerts on the pile tip. These two types of resistance are critical in determining the pile's ultimate load capacity.
Skin Resistance Testing
Skin resistance testing involves applying a cyclic load to the pile and measuring the deflection of the pile shaft. The deflection is used to calculate the skin resistance of the pile. Skin resistance testing is essential for determining the pile's capacity to resist lateral loads and bending.
Tip Resistance Testing
Tip resistance testing involves applying a cyclic load to the pile and measuring the deflection of the pile tip. The deflection is used to calculate the tip resistance of the pile. Tip resistance testing is essential for determining the pile's capacity to resist axial loads.
Conclusion
In conclusion, a cycle load test is performed to determine the ultimate load capacity of a pile under repetition. During the test, the skin resistance and tip resistance of the pile are determined separately. Skin resistance testing is essential for determining the pile's capacity to resist lateral loads and bending, while tip resistance testing is essential for determining the pile's capacity to resist axial loads.
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Community Answer
A cycle load test is performed to determine a pilesa)Skin resistanceb)...
Cyclic pile load test method is used in case of initial test to find out skin frictional resistance and point bearing load separately for a single piles of uniform diameter.
Alternate loading and unloading shall be carried out at each stages and each loading and unloading stage shall be maintained for at least 15 min and the subsequent elastic rebound in the pile should be measured accurately by dial gauges or LVDTs.
The details procedure for pile load test is given in IS 2911-Part IV.
There are two types of tests, namely, initial and routine test for each type (mode) of loading (that is, vertical, lateral and pull-out).
Initial Test: This test is required for one or more of the following purposes:
(a) Determination of ultimate load capacity and arrival at safe load by application of factor of safety.
(b) To provide guidelines for setting up the limits of acceptance for routine tests.
(c) To get an idea of suitability of piling system.
(d) To have a check on calculated load by dynamic or static approaches.
Routine Test:
This test is required for one or more of the following purposes:
(a) Checking the safe load as determined from static analysis [As per IS 2911 (Part 1/Sec 1 to 4), IS 2911 (Part 2) and IS 2911 (Part 3)].
(b) Detection of any unusual performance contrary to the findings of the initial test, if already done.
Other Important Points:
In vertical, lateral and pull out mode of loading compressive, shear and tensile strength of pile is found out respectively.
Alternate loading and unloading shall be carried out at each stages and each loading and unloading stage shall be maintained for at least 15 min and the subsequent elastic rebound in the pile should be measured accurately by dial gauges or LVDTs.
The details procedure for pile load test is given in IS 2911-Part IV.
There are two types of tests, namely, initial and routine test for each type (mode) of loading (that is, vertical, lateral and pull-out).
Initial Test: This test is required for one or more of the following purposes:
(a) Determination of ultimate load capacity and arrival at safe load by application of factor of safety.
(b) To provide guidelines for setting up the limits of acceptance for routine tests.
(c) To get an idea of suitability of piling system.
(d) To have a check on calculated load by dynamic or static approaches.
Routine Test:
This test is required for one or more of the following purposes:
(a) Checking the safe load as determined from static analysis [As per IS 2911 (Part 1/Sec 1 to 4), IS 2911 (Part 2) and IS 2911 (Part 3)].
(b) Detection of any unusual performance contrary to the findings of the initial test, if already done.
Other Important Points:
In vertical, lateral and pull out mode of loading compressive, shear and tensile strength of pile is found out respectively.
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A cycle load test is performed to determine a pilesa)Skin resistanceb)Tip resistancec)Ultimate load capacity under repetitiond)Skin resistance and tip resistance separatelyCorrect answer is option 'D'. Can you explain this answer?
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