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A platform for research: civil engineering, architecture and urbanism
Repairing and reinforcing structure for crack-damaged slide-resistant pile and construction method of repairing and reinforcing structure
The repairing and reinforcing structure comprises an I-shaped steel reinforcing structure and a pre-stressed anchor cable reinforcing structure which are symmetrically arranged relative to the center line of the tension side of the anti-slide pile, and the I-shaped steel reinforcing structure comprises reinforcing holes and I-shaped steel which are located in a pile body of the anti-slide pile and close to reinforcing steel bars on the tension side of the anti-slide pile. The I-shaped steel is embedded into the reinforcing holes, the bottom end and the top end of the I-shaped steel exceed bottom cracks and top cracks of the pile body respectively, the long edge direction of a web of the I-shaped steel is arranged in the shear direction of the anti-slide pile, and cement paste is injected into the reinforcing holes; the anchoring holes comprise free-section anchor cable holes located on the upper portion and anchoring-section anchor cable holes located on the lower portion, the lower ends of the free-section anchor cable holes exceed cracks in the bottom of the pile body, the anchor cables are anchored in the anchoring holes through anchoring grouting, and the anchor cables are anchored to the top of the anti-slide pile in a sealed mode after prestress is applied to the anchor cables; the invention further discloses a construction method of the repairing and reinforcing structure for the crack damaged anti-slide pile.
本发明公开了一种裂缝损伤抗滑桩的修复加固结构，包括分别以抗滑桩受拉侧中心线对称布置的工字钢加固结构和预应力锚索加固结构，工字钢加固结构包括位于抗滑桩桩身且靠近抗滑桩受拉侧钢筋的加固孔和工字钢，工字钢植入加固孔且其底端和顶端分别超出桩身底部裂缝和顶部裂缝，工字钢的腹板长边方向顺抗滑桩受剪方向布设，加固孔注入有水泥浆，预应力锚索加固结构包括位于抗滑桩桩身且靠近抗滑桩受拉侧钢筋的锚固孔和锚索，锚固孔包括位于上方的自由段锚索孔和位于下方的锚固段锚索孔，自由段锚索孔下端超出桩身底部裂缝，锚索通过锚固注浆锚固于锚固孔中，锚索施加预应力后封锚于抗滑桩顶部；本发明还公开了一种裂缝损伤抗滑桩的修复加固结构施工方法。
Repairing and reinforcing structure for crack-damaged slide-resistant pile and construction method of repairing and reinforcing structure
The repairing and reinforcing structure comprises an I-shaped steel reinforcing structure and a pre-stressed anchor cable reinforcing structure which are symmetrically arranged relative to the center line of the tension side of the anti-slide pile, and the I-shaped steel reinforcing structure comprises reinforcing holes and I-shaped steel which are located in a pile body of the anti-slide pile and close to reinforcing steel bars on the tension side of the anti-slide pile. The I-shaped steel is embedded into the reinforcing holes, the bottom end and the top end of the I-shaped steel exceed bottom cracks and top cracks of the pile body respectively, the long edge direction of a web of the I-shaped steel is arranged in the shear direction of the anti-slide pile, and cement paste is injected into the reinforcing holes; the anchoring holes comprise free-section anchor cable holes located on the upper portion and anchoring-section anchor cable holes located on the lower portion, the lower ends of the free-section anchor cable holes exceed cracks in the bottom of the pile body, the anchor cables are anchored in the anchoring holes through anchoring grouting, and the anchor cables are anchored to the top of the anti-slide pile in a sealed mode after prestress is applied to the anchor cables; the invention further discloses a construction method of the repairing and reinforcing structure for the crack damaged anti-slide pile.
本发明公开了一种裂缝损伤抗滑桩的修复加固结构，包括分别以抗滑桩受拉侧中心线对称布置的工字钢加固结构和预应力锚索加固结构，工字钢加固结构包括位于抗滑桩桩身且靠近抗滑桩受拉侧钢筋的加固孔和工字钢，工字钢植入加固孔且其底端和顶端分别超出桩身底部裂缝和顶部裂缝，工字钢的腹板长边方向顺抗滑桩受剪方向布设，加固孔注入有水泥浆，预应力锚索加固结构包括位于抗滑桩桩身且靠近抗滑桩受拉侧钢筋的锚固孔和锚索，锚固孔包括位于上方的自由段锚索孔和位于下方的锚固段锚索孔，自由段锚索孔下端超出桩身底部裂缝，锚索通过锚固注浆锚固于锚固孔中，锚索施加预应力后封锚于抗滑桩顶部；本发明还公开了一种裂缝损伤抗滑桩的修复加固结构施工方法。
Repairing and reinforcing structure for crack-damaged slide-resistant pile and construction method of repairing and reinforcing structure
一种裂缝损伤抗滑桩的修复加固结构及其施工方法
ZHANG YUGUANG (author) / ZHANG GUOFA (author) / PENG XIAOYONG (author) / YU RAN (author) / SHANG YU (author) / CHEN FANGPING (author) / PU CHUNLIN (author) / MA YAN (author) / WANG XIANJUN (author) / LI CHENGQIANG (author)
2023-04-18
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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