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| Q. |
Identify the given joint in Concrete Structures. |
| A. | partial contraction joint |
| B. | complete contraction joint |
| C. | horizontal construction joint |
| D. | dummy joint |
| Answer» D. dummy joint | |
| Explanation: above figure shows another form of contraction joint. it is also known as a dummy joint and in this case, a groove of 3 mm width is created in the concrete member to act as a joint. the groove is filled with the joint filler and its depth is about 1/3 to 1/5 of the total thickness of the member. | |
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