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 с. 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.
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 с. 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.
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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