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- W2386198533 abstract "In this paper,the issue on the form finding of a beam-string structure is studied and a method named offload by steps is put forward in accordance with the mechanical properties of the structure.Offload the beam-string structure in the pre-stressed state until the cable stress reaches zero,then the form of structure in the unstained state can be obtained.In this process,the offloading step length is very important.And the determination of the step length is also presented in this paper.By this method,the form of unstrained state can be found on the basis of that of pre-stressed state directly,i.e.it needs not to assume the form of unstrained state first.In this paper,the method is applied to a beam-string structure.Thus the form in unstrained state is obtained.After this,the beam-string structure in the unstrained state is loaded by steps until the cable stress reaches the design value,which is another pre-stressed state.Then the form and internal force of the structure in this pre-stressed state reached by loading can be obtained.By comparing the forms and internal forces of the beam-string structure under these two pre-stressed states,the method proposed in the paper is verified." @default.
- W2386198533 created "2016-06-24" @default.
- W2386198533 creator A5069255858 @default.
- W2386198533 date "2007-01-01" @default.
- W2386198533 modified "2023-09-23" @default.
- W2386198533 title "Method for form finding of beam string structure:method of offload by steps" @default.
- W2386198533 hasPublicationYear "2007" @default.
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