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Choose the most appropriate answer fc 1. In pre-tension method of pre-stressed con a. Tension in concrete is induced directl

Choose the most appropriate answer fc 1. In pre-tension method of pre-stressed con a. Tension in concrete is induced directl

Materials Science And Engineering Properties
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 12.7P: Estimate the transverse tensile strength of the concrete in Problem 12.6.
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| Choose the most appropriate answer for the following: 1. In pre-tension method of pre-stressed concrete: Tension in concrete is induced directly by external force, а. b. Tension is induced in the tendons before concreting, Concrete continues to be in tension after pre-stressing, с. d. All the above. 2. In a pre-stressed member, it is advisable to use a. Low-strength concrete b. High-strength concrete c. High-strength concrete and high-tension steel d. High-strength concrete and low-tension steel 3. Which one of the following is not categorized as a long-term loss of pre-stress in a pre-stressed concrete member? Loss due to elastic shortening b. Loss due to creep c. Loss due to shrinkage а. d. Loss due to relaxation of steel 4. One of the following is not correct for pre-stressed concrete: a. Reducing cracks in the concrete b. High strength of concrete and steel c. Costy d. Suitable for long span and those carrying heavy loads. 5. Cross ties are used if the distance between a bar and the corner bar is greater than... 100 inches b. 100 cm c. 150 inches d. 150 mm а.
Transcribed Image Text:| Choose the most appropriate answer for the following: 1. In pre-tension method of pre-stressed concrete: Tension in concrete is induced directly by external force, а. b. Tension is induced in the tendons before concreting, Concrete continues to be in tension after pre-stressing, с. d. All the above. 2. In a pre-stressed member, it is advisable to use a. Low-strength concrete b. High-strength concrete c. High-strength concrete and high-tension steel d. High-strength concrete and low-tension steel 3. Which one of the following is not categorized as a long-term loss of pre-stress in a pre-stressed concrete member? Loss due to elastic shortening b. Loss due to creep c. Loss due to shrinkage а. d. Loss due to relaxation of steel 4. One of the following is not correct for pre-stressed concrete: a. Reducing cracks in the concrete b. High strength of concrete and steel c. Costy d. Suitable for long span and those carrying heavy loads. 5. Cross ties are used if the distance between a bar and the corner bar is greater than... 100 inches b. 100 cm c. 150 inches d. 150 mm а.
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ISBN:
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