【Weekly Topic】【Civil Engineering Version 20170613】
Thread Content
Participation reward: 2 Wealth. Correct reward: 6 Wealth. Which of the following statements regarding the construction of high-strength bolts is correct? ( ) a. Before high-strength bolt connections are made, it is only necessary to inspect and re-inspect the actual connection components; once they pass the inspection, installation can proceed. b. It is strictly prohibited to use high-strength bolts as temporary bolts. c. High-strength bolts should be able to pass through the holes freely; forcing them in is strictly prohibited. d. In high-strength bolt connections, the diameter of the holes in the connecting steel plates is slightly larger than that of the bolts, and drilling to shape them is necessary. e. After final tightening, the exposed length of the bolt threads should be 2 to 3 threads; it is allowed for 10% of the bolts to have 1 or 4 threads exposed. 【Answer】bcde
The following statements regarding the construction of high-strength bolts are correct (BCDE). a. Before high-strength bolt connections are made, it is only necessary to inspect and re-inspect the actual connection components; once they pass the inspection, installation can proceed. b. It is strictly prohibited to use high-strength bolts as temporary bolts. c. High-strength bolts should be able to pass through the holes freely; forcing them in is strictly prohibited. d. In high-strength bolt connections, the diameter of the holes in the connecting steel plates is slightly larger than that of the bolts, and drilling to shape them is necessary. e. After final tightening, the exposed length of the bolt threads should be 2 to 3 threads; it is allowed for 10% of the bolts to have 1 or 4 threads exposed.