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A platform for research: civil engineering, architecture and urbanism
Bridge lower subway pilot tunnel construction reinforcing structure and construction method thereof
The invention discloses a bridge lower subway pilot tunnel construction reinforcing structure which comprises diagonal bracings, longitudinal supporting units, a first grouting reinforcing area, a second grouting reinforcing area and a third grouting reinforcing area, and the multiple longitudinal supporting units are arranged at the bottom of a bridge body; the diagonal bracings are transversely and fixedly arranged between the adjacent bridge bearing platforms; the first grouting reinforcement area is arranged between the diagonal brace and the bridge bearing platform; the second grouting reinforcement areas are arranged at the top and the side part of the subway pilot tunnel; and the third grouting reinforcement area is arranged between the pilot tunnel pile foundation at the bottom of the subway pilot tunnel and the bridge pile foundation. By arranging the grouting reinforcement area, the soil body around the pilot tunnel and the bridge foundation is reinforced, the stability of the bridge foundation is ensured, the hidden danger of bridge collapse caused by soil body looseness is prevented, and great safety guarantee is brought to pilot tunnel construction.
本发明公开了一种桥梁下地铁导洞施工加固结构，包括对撑、纵向支撑单元、第一注浆加固区、第二注浆加固区和第三注浆加固区，所述桥梁主体底部设置有若干纵向支撑单元；所述对撑横向固装在相邻的所述桥梁承台之间；所述对撑与所述桥梁承台之间设置所述第一注浆加固区；所述地铁导洞顶部和侧部设置所述第二注浆加固区；所述地铁导洞底部的所述导洞桩基与所述桥梁桩基之间设置所述第三注浆加固区。本发明通过设置注浆加固区，对导洞及桥梁基础周边土体进行加固，确保桥梁基础的稳固性，防止由于土体松动导致桥梁出现坍塌隐患，给导洞施工带来了极大的安全保障。
Bridge lower subway pilot tunnel construction reinforcing structure and construction method thereof
The invention discloses a bridge lower subway pilot tunnel construction reinforcing structure which comprises diagonal bracings, longitudinal supporting units, a first grouting reinforcing area, a second grouting reinforcing area and a third grouting reinforcing area, and the multiple longitudinal supporting units are arranged at the bottom of a bridge body; the diagonal bracings are transversely and fixedly arranged between the adjacent bridge bearing platforms; the first grouting reinforcement area is arranged between the diagonal brace and the bridge bearing platform; the second grouting reinforcement areas are arranged at the top and the side part of the subway pilot tunnel; and the third grouting reinforcement area is arranged between the pilot tunnel pile foundation at the bottom of the subway pilot tunnel and the bridge pile foundation. By arranging the grouting reinforcement area, the soil body around the pilot tunnel and the bridge foundation is reinforced, the stability of the bridge foundation is ensured, the hidden danger of bridge collapse caused by soil body looseness is prevented, and great safety guarantee is brought to pilot tunnel construction.
本发明公开了一种桥梁下地铁导洞施工加固结构，包括对撑、纵向支撑单元、第一注浆加固区、第二注浆加固区和第三注浆加固区，所述桥梁主体底部设置有若干纵向支撑单元；所述对撑横向固装在相邻的所述桥梁承台之间；所述对撑与所述桥梁承台之间设置所述第一注浆加固区；所述地铁导洞顶部和侧部设置所述第二注浆加固区；所述地铁导洞底部的所述导洞桩基与所述桥梁桩基之间设置所述第三注浆加固区。本发明通过设置注浆加固区，对导洞及桥梁基础周边土体进行加固，确保桥梁基础的稳固性，防止由于土体松动导致桥梁出现坍塌隐患，给导洞施工带来了极大的安全保障。
Bridge lower subway pilot tunnel construction reinforcing structure and construction method thereof
一种桥梁下地铁导洞施工加固结构及其施工方法
YUAN WEIJIA (author) / ZHAO ENHUA (author) / WANG SHENGTAO (author) / HAN YU (author) / MA JI (author) / XU JINGSUO (author) / HUANG WENHUI (author) / GAO FENG (author) / HE WENLEI (author)
2023-01-10
Patent
Electronic Resource
Chinese
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