Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Lassen steel sheet pile and pre-stressed anchor cable combined support construction method
The invention discloses a Larsen steel sheet pile and pre-stressed anchor cable combined support construction method, a steel sheet pile retaining structure resists lateral pressure of pit wall soil sliding and is resistant to upheaval stability, the on-load effect of a pile body under the action of soil is bending moment and shearing force, a steel sheet pile wall body is light and has large deformation adaptability, the anti-overturning safety coefficient is small, and the anti-overturning performance is good. The anchoring section of the pre-stressed anchor cable is located in the stable soil body and plays a role in providing anchoring force, the free section is a part connected with the anchoring section and plays a role in transmitting the anchoring force and provides necessary extension for locking of the anchor cable, and the anchor head is used for applying pulling force to the waist beam or the corresponding steel sheet pile and locking the pulling force. The pre-stressed anchor cables apply stress in advance for locking before the foundation pit is excavated, the stress is transmitted to the anchoring sections through the free sections of the anchor cables and is finally borne by stable soil bodies where the anchoring sections are located, the anti-overturning safety coefficient of the steel sheet piles is increased, and displacement and deformation of the supporting piles and the soil bodies behind the supporting piles are effectively limited when the foundation pit is excavated.
本发明公开了一种拉森钢板桩与预应力锚索组合支护施工方法，钢板桩支挡结构抵抗坑壁土滑动的侧压力抗隆起稳定性，桩身收到土壤作用的在和效应是弯矩和剪力，钢板桩墙体较轻且具有较大的适应变形能力，抗倾覆安全系数小，预应力锚索锚固段位于稳定土体内起到提供锚固力的作用，自由段是连接锚固段的部分，不但起到传递锚固力的作用，而且对锚索锁定提供必要的延伸里，锚头是吧拉力施加在腰梁或对应钢板桩上，并对拉力进行锁定，预应力锚索在基坑开挖前预先施加应力进行锁定，该应力通过锚索自由段传递到锚固段，最后有锚固段所在的稳定土体承担，增加了钢板桩的抗倾覆安全系数，基坑开挖时支护桩和其后土体的位移和变形有效的受到限制。
Lassen steel sheet pile and pre-stressed anchor cable combined support construction method
The invention discloses a Larsen steel sheet pile and pre-stressed anchor cable combined support construction method, a steel sheet pile retaining structure resists lateral pressure of pit wall soil sliding and is resistant to upheaval stability, the on-load effect of a pile body under the action of soil is bending moment and shearing force, a steel sheet pile wall body is light and has large deformation adaptability, the anti-overturning safety coefficient is small, and the anti-overturning performance is good. The anchoring section of the pre-stressed anchor cable is located in the stable soil body and plays a role in providing anchoring force, the free section is a part connected with the anchoring section and plays a role in transmitting the anchoring force and provides necessary extension for locking of the anchor cable, and the anchor head is used for applying pulling force to the waist beam or the corresponding steel sheet pile and locking the pulling force. The pre-stressed anchor cables apply stress in advance for locking before the foundation pit is excavated, the stress is transmitted to the anchoring sections through the free sections of the anchor cables and is finally borne by stable soil bodies where the anchoring sections are located, the anti-overturning safety coefficient of the steel sheet piles is increased, and displacement and deformation of the supporting piles and the soil bodies behind the supporting piles are effectively limited when the foundation pit is excavated.
本发明公开了一种拉森钢板桩与预应力锚索组合支护施工方法，钢板桩支挡结构抵抗坑壁土滑动的侧压力抗隆起稳定性，桩身收到土壤作用的在和效应是弯矩和剪力，钢板桩墙体较轻且具有较大的适应变形能力，抗倾覆安全系数小，预应力锚索锚固段位于稳定土体内起到提供锚固力的作用，自由段是连接锚固段的部分，不但起到传递锚固力的作用，而且对锚索锁定提供必要的延伸里，锚头是吧拉力施加在腰梁或对应钢板桩上，并对拉力进行锁定，预应力锚索在基坑开挖前预先施加应力进行锁定，该应力通过锚索自由段传递到锚固段，最后有锚固段所在的稳定土体承担，增加了钢板桩的抗倾覆安全系数，基坑开挖时支护桩和其后土体的位移和变形有效的受到限制。
Lassen steel sheet pile and pre-stressed anchor cable combined support construction method
拉森钢板桩与预应力锚索组合支护施工方法
CUI DA (Autor:in) / DONG FENGBO (Autor:in) / ZHANG PENG (Autor:in) / CHAI SHAOQIANG (Autor:in) / TAO FENG (Autor:in) / WANG XUE (Autor:in) / LIU FENG (Autor:in) / WANG HE (Autor:in)
28.02.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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