Numerical analysis on mechanical performance of bamboo plywood bridge

doi:10.3969/j.issn.1000-2006.2015.05.019

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2015, Vol. 39 ›› Issue (05): 118-122.doi: 10.3969/j.issn.1000-2006.2015.05.019

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Numerical analysis on mechanical performance of bamboo plywood bridge

WANG Chengqi,ZHOU Wen,XIANG Zhongfu,YANG Rui,WU Xijia

School of Engineering and Architecture,Chongqing Jiaotong University,Chongqing 400074,China

Online:2015-10-15 Published:2015-10-15

Abstract

Abstract: The type of modern bamboo arch mechanical performance was studied by numerical analysis based on the ANSYS platform, and the structure strength(stress)and stiffness(deformation)value were obtained. In order to optimize the structure, ten different rise span ratio of arch bridge model were built and calculated. Comparing the value of arch moment, axial force, deflection, natural frequency and force of supports, the reasonable rise-span ratio was gotten. The results show that the structure of arch stress is far less than the allowed value, and the stiffness requirement becomes the control index of design. The relationship curves of moment-rise-span ratio, vertical frequency-rise-span ratio and deflection-rise-span ratio are the parabola. The curves of arch axial force-rise-span ratio, lateral frequency-rise-span ratio and force bearing-rise-span ratio are broken line. The structure reasonable span is almost 1/3.6.

CLC Number:

S781.9
TU311

WANG Chengqi,ZHOU Wen,XIANG Zhongfu,YANG Rui,WU Xijia. Numerical analysis on mechanical performance of bamboo plywood bridge[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2015, 39(05): 118-122.

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Numerical analysis on mechanical performance of bamboo plywood bridge

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