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A platform for research: civil engineering, architecture and urbanism
Anti-floating design method for underground structure
The invention relates to an anti-floating design method for an underground structure. The anti-floating design method comprises the steps that uplift pile design parameters of all structure sections are adjusted, the difference value between pile body deformation of uplift piles of all the structure sections is controlled within a set range, and then construction of all the structure sections is conducted according to the adjusted uplift pile design parameters; and please see the calculation formula of the pile body deformation delta i of each uplift pile described in the specification, wherein Fi is the anti-floating of the structural section, Li is the pile length of the uplift pile, Eci is the elastic modulus of the uplift pile, Ai is the cross sectional area of the uplift pile, ni is the number of the uplift piles on the corresponding structural section, and i is the number of the structural section. According to the anti-floating design, the tensile deformation of the uplift pilesunder the floating effect and the coupling effect between the structural sections are considered, the difference value between the pile body deformation amounts of the uplift piles of the structuralsections is controlled within the set range, the coordinated deformation between the structural sections can be controlled, and the influence on the operation safety of the underground structure due to differential deformation between structural sections is avoided.
本发明涉及一种地下结构抗浮设计方法，包括：调节每个结构段落的抗拔桩设计参数，将各结构段落的抗拔桩的桩身变形量之间的差异值控制在设定范围内，再按照调节之后的抗拔桩设计参数进行各结构段落的施工；抗拔桩的桩身变形量Δi的计算公式为：式中，Fi为结构段落的抗浮力，Li为抗拔桩的桩长，Eci为抗拔桩的弹性模量，Ai为抗拔桩的横截面面积，ni为对应结构段落上的抗拔桩桩数，i为结构段落的编号。本发明考虑浮力作用下抗拔桩的拉伸变形以及各结构段落之间的耦合效果，将各结构段落的抗拔桩的桩身变形量之间的差异值控制在设定范围内，可控制各结构段落之间的协调变形，避免因结构段落之间的差异变形而影响地下结构运营安全。
Anti-floating design method for underground structure
The invention relates to an anti-floating design method for an underground structure. The anti-floating design method comprises the steps that uplift pile design parameters of all structure sections are adjusted, the difference value between pile body deformation of uplift piles of all the structure sections is controlled within a set range, and then construction of all the structure sections is conducted according to the adjusted uplift pile design parameters; and please see the calculation formula of the pile body deformation delta i of each uplift pile described in the specification, wherein Fi is the anti-floating of the structural section, Li is the pile length of the uplift pile, Eci is the elastic modulus of the uplift pile, Ai is the cross sectional area of the uplift pile, ni is the number of the uplift piles on the corresponding structural section, and i is the number of the structural section. According to the anti-floating design, the tensile deformation of the uplift pilesunder the floating effect and the coupling effect between the structural sections are considered, the difference value between the pile body deformation amounts of the uplift piles of the structuralsections is controlled within the set range, the coordinated deformation between the structural sections can be controlled, and the influence on the operation safety of the underground structure due to differential deformation between structural sections is avoided.
本发明涉及一种地下结构抗浮设计方法，包括：调节每个结构段落的抗拔桩设计参数，将各结构段落的抗拔桩的桩身变形量之间的差异值控制在设定范围内，再按照调节之后的抗拔桩设计参数进行各结构段落的施工；抗拔桩的桩身变形量Δi的计算公式为：式中，Fi为结构段落的抗浮力，Li为抗拔桩的桩长，Eci为抗拔桩的弹性模量，Ai为抗拔桩的横截面面积，ni为对应结构段落上的抗拔桩桩数，i为结构段落的编号。本发明考虑浮力作用下抗拔桩的拉伸变形以及各结构段落之间的耦合效果，将各结构段落的抗拔桩的桩身变形量之间的差异值控制在设定范围内，可控制各结构段落之间的协调变形，避免因结构段落之间的差异变形而影响地下结构运营安全。
Anti-floating design method for underground structure
一种地下结构抗浮设计方法
XIAO MINGQING (author) / XUE GUANGQIAO (author) / PENG JIAMEI (author) / DENG CHAOHUI (author) / JI DAXUE (author) / LUO CHIHENG (author) / XIE JUN (author)
2020-10-27
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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