Deformation Compatibility Control for Engineering Structures by Hanhua Zhu, Zhihui Zhou, Mengchong Chen, Jianliang Deng

By Hanhua Zhu, Zhihui Zhou, Mengchong Chen, Jianliang Deng

This ebook provides crucial equipment of deformation compatibility keep watch over, and explicitly addresses the implied stipulations at the equipment’ deformation compatibility. therefore, those stipulations should be thought of in engineering constitution layout, whereas the stipulations on reliable equilibrium might be taken into consideration within the layout strategy. therefore, the designed deformation and the particular deformation of the respective constitution are nearly exact, ensuring either the pliability of the development fabric in strength transmission and the equilibrium of strength within the structure.

Though equilibrium concept in engineering constructions has been generally studied, there was relatively little examine on compatibility. within the constrained researches to be had, the themes are basically the theories and assumptions at the deformation compatibility, whereas few systematic works concentrate on the mechanical theoretical rules and techniques of deformation compatibility keep watch over. As such, the flexibleness of the development fabric in strength transmission and the sturdy equilibrium of the constitution as an entire can't be assured in keeping with those learn results.

Successfully addressing this significant hole within the literature, the e-book is meant for researchers and postgraduates in engineering mechanics, civil engineering and similar areas.

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Extra resources for Deformation Compatibility Control for Engineering Structures : Methods and Applications

Sample text

To further elucidate the DC concept, Fig. 13 depicts the relationship between stable equilibrium and DCC of a heavy object, which reveals the effects of DCC on the state of equilibrium and stability of a structure. In Fig. 13, the heavy object Fig. 2 Three Problems Identified in the Safe State of Engineering Structure 21 W is suspended by n ropes. The forces of the ropes P1, P2, …, Pn and dead weight W collectively interact and are in equilibrium. Because the DCC of rope force Pi and heavy object W differs, their state of equilibrium and stability also differ and are expressed as follows: (1) When heavy object W is exposed to static load, interacting P1, P2, …, Pn and W are in equilibrium.

32 1 Engineering Structure-Related Stable Equilibrium … (1) Recommended methods for determining whether an engineering structure system satisfies DCC conditions. Failure criteria for existing engineering materials, such as the Mohr–Coulomb failure criteria, twin-shear stress yield criteria, and unified strength theory, are all based on measures of stress. However, when complex civil engineering problems are judged according to engineering mechanical analysis results and stress strength standards, actual engineering structures occasionally fulfill failure criteria in theory, but they may still pose several problems and even safety risks.

2) When heavy object W is perturbed, W may deviate from its original position, prompting redistribution of P1, P2, …, Pn. , the internal forces between P1, P2, …, Pn can be transferred reasonably) and are in stable equilibrium and deformation compatible when all of them are within the acceptable range, then can the system return to its original position. If the structure is not well-designed, the internal force of the system cannot be transferred appropriately, and the redistribution of P1, P2, …, Pn might cause the Pi of a rope to exceed its limit.

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