【Daily Question】【Civil Engineering Version 20180620】

2018-06-23View Original

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This post was last edited by hesonchang214 on 2018-6-23 08:27. Reaction forces and internal forces are related to ( ). A. Dimensions of the structure B. Cross-sectional dimensions of the members C. Geometric shape of the structure D. Shape of the members E. Settlement of supports. Answer: AC 【Explanation】A statically determinate structure generates reactions and internal forces only under the action of loads ； Reaction forces and internal forces are only related to the size and geometric shape of the structure, and not to the cross-sectional dimensions, shape, or material of the components. Moreover, factors such as support settlement, temperature changes, and manufacturing errors do not generate internal forces; they only cause displacement.

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【Daily Question】【Civil Engineering Version 20180620】

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