Vulnerability Analysis of Large Plant-station Module for Land Transportation

doi:10.11885/j.issn.1674-5086.2020.05.04.01

Abstract

Abstract: The land transportation of large plant-station module is an important link in the construction process.The integrity of its overall structure determines whether the field can be successfully put into operation.Based on this, in this paper, the mass element in ANSYS simulation software is used to establish the rigid coupling for a variety of conditions such as emergency braking in the process of transportation, so as to achieve the simplification of the module internal-member and analyze the deformation in the process of transportation.Furthermore, the module weight and acceleration were combined to give consideration to the results of structural failure and the accumulation of damage in transportation, and the probability curves of different damage states under different module weights were obtained.The results show that when the acceleration of emergency braking and accelerated turning is a 6 24 m/s² and a 6 3 m/s², respectively, the module deformation is dominated by the inertia force generated by the module weight, and with the increase of acceleration, the deformation of the upper beam is larger.The transport process maintains uniform speed (uniform acceleration and deceleration) and symmetrical binding constraints, which can avoid large deformation caused by the change of acceleration.Under different conditions, the damage probability curve of module has basically the same trend, and with the increase of module weight and acceleration, the probability of damage gradually increases. In addition, under the same conditions, accelerated turning is more likely to cause the damage of module.

Key words: module, land transportation, numerical simulation, transient analysis, fragility curves

CLC Number:

X937

LI Hu, WANG Chuanpin, LIU Tao, LAN Xubin, KUERBANAILI Tulafujiang, LIU Xinrui. Vulnerability Analysis of Large Plant-station Module for Land Transportation[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2021, 43(6): 84-93.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2020.05.04.01

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2021/V43/I6/84

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