• 2022-05-31
    ‎Composite in which the reinforcements are continuous fibers or whiskers can be produced so that the reinforcements have either random or biased orientation.‏‎‏
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      The main reason why spiral stirrups can improve the bearing capacity of the normal section of axial compressed columns is that ( ). A: the strength of spiral stirrups is high B: spiral stirrups can effectively restrain the longitudinal reinforcements and improve the compressive strength of longitudinal reinforcements C: spiral stirrups can effectively restrain the core concrete and improve its compressive strength D: spiral stirrups have strong deformation capacity

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      The arrival of reinforcements turned the _____in our favour.

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      The distributed reinforcements in the slab should be perpendicular to the stressed reinforcements.

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      The most effective measure to avoid the inclined compression failure for a beam is by ( ). A: increasing the amount of stirrups B: increasing the section size C: increasing the amount of web reinforcements D: increasing the amount of bent-up reinforcements

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      Metal reinforcements will be used as a ______ measure until a new wall can be built. A: (A) virtual B: (B) temporary C: (C) standard D: (D) recent