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A modified deformation coordination model for calculating the internal force of anchored piles
Anchored piles are an important combined supporting structure and widely used in landslide prevention and control. The calculation of the internal force of a pile-anchor is highly significant. In this paper, we propose a modified deformation coordination model to more accurately calculate the internal force of anchored piles based on a simple analysis model originally developed by (Qu et al. 2016). In the modified deformation coordination model, the pile-anchor interaction is divided into two stages: (1) prestressed anchor cable application stage; and (2) landslide thrust action stage. The anchor cable deformation is taken as the sum of the free section and anchorage section. A deformation coordination equation is established based on the unification of the horizontal pile displacement and anchor cable deformation at the junction of the pile and anchor cable. The anchor cable tensile stress calculation formula is then obtained by combining the virtual work principle and graph multiplication theory in structural mechanics. An engineering case study of a pile with double-row anchor cables is tested to compare the results obtained using the traditional model and Chinese codes, which demonstrates the capability of the proposed model to calculate the internal force of anchored piles.
A modified deformation coordination model for calculating the internal force of anchored piles
Anchored piles are an important combined supporting structure and widely used in landslide prevention and control. The calculation of the internal force of a pile-anchor is highly significant. In this paper, we propose a modified deformation coordination model to more accurately calculate the internal force of anchored piles based on a simple analysis model originally developed by (Qu et al. 2016). In the modified deformation coordination model, the pile-anchor interaction is divided into two stages: (1) prestressed anchor cable application stage; and (2) landslide thrust action stage. The anchor cable deformation is taken as the sum of the free section and anchorage section. A deformation coordination equation is established based on the unification of the horizontal pile displacement and anchor cable deformation at the junction of the pile and anchor cable. The anchor cable tensile stress calculation formula is then obtained by combining the virtual work principle and graph multiplication theory in structural mechanics. An engineering case study of a pile with double-row anchor cables is tested to compare the results obtained using the traditional model and Chinese codes, which demonstrates the capability of the proposed model to calculate the internal force of anchored piles.
A modified deformation coordination model for calculating the internal force of anchored piles
Yu Huang (author) / Boyu Fu (author) / Zhen Guo (author) / Atsushi Yashima (author)
2023
Article (Journal)
Electronic Resource
Unknown
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