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- 저자 : Qingyang Ren (검색결과 1 건)
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Qingyang Ren,Feifei Wang,Xiaofeng Lin,Bin Chen,Xiangwei Zhang 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.6
Reinforced concrete anti-slide pile is a typical anti-slide installation under horizontal load. Its stress is essentially the cantilever beam working under the combined action of bending moment and shear force. In the process of loading, concrete is accompanied by the generation and expansion of different forms of cracks. In order to reveal the bearing characteristics and crack propagation law of anti-slide pile, the 1:10 scale model of the anti-slide pile in Majiagou landslide treatment project was taken as the object. The mechanical mechanisms of three kinds of the anti-slide piles with different pile lengths were studied. The bending moment and deformation law of three anti-slide piles were obtained. The results show that the pile is easy to crack in the range of 0.5 m above and below the sliding surface. With the increase of cantilever length, the bending moment increases. The development of the maximum crack length and width presents the crack initiation stage, stable stage, and failure mutation stage. Through the monitoring of the length and width of the crack and the judgment of its stage, the working state of the pile can be obtained. The results can provide reference for the optimal design of anti-slide pile in landslide treatment engineering.
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