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A platform for research: civil engineering, architecture and urbanism
Tunnel foundation pit bottom dislocation hidden pier reinforcing system and reinforcing method thereof
The invention relates to a tunnel foundation pit bottom dislocation hidden pier reinforcing system and a corresponding reinforcing method. The method comprises the steps that a soil body below a tunnel is perforated to form a grouting reinforcing area, and grouting is conducted on the reinforcing area to form hidden piers; wherein the grouting reinforcement areas are distributed on the two sides, in the width direction of the tunnel, in a soil body below the tunnel in a staggered mode, one side of each grouting reinforcement area is tangent to the boundary of one side of the tunnel, and the distance between the other side, in the width direction of the tunnel, of each grouting reinforcement area and the boundary of the other side of the tunnel is larger than zero; compared with traditional integral grouting, the reinforcing system and the reinforcing method adopting the technical scheme have the advantages that the use amount of grouting materials can be reduced, the construction cost is greatly reduced, waste is reduced, meanwhile, settlement of the bottom of a tunnel pit is effectively avoided, the total area proportion of a grouting reinforcing area can be flexibly changed according to the mechanical property of an original soil body, and the construction efficiency is improved. Construction areas are reduced, and the construction progress is effectively accelerated.
本发明涉及一种隧道基坑坑底错位暗墩加固系统和对应的加固方法，所述方法包括：对隧道下方的土体进行开孔形成注浆加固区域，及对所述加固区域进行注浆形成暗墩；其中所述注浆加固区域在隧道下方的土体中在沿隧道宽度方向的两侧交错分布，所述注浆加固区域一侧与隧道的一侧边界相切，所所述注浆加固区域沿隧道宽度方向的另一侧与隧道的另一侧边界之间相距一大于零的距离；采用上述技术方案的加固系统与加固方法，与传统的整体注浆相比，能够减少注浆材料的用量，极大降低工程造价，在减少浪费的同时，有效避免隧道坑底的沉降，并可根据原有土体的力学性质，灵活改变注浆加固区域的总面积占比，减少施工区域，有效加快施工进度。
Tunnel foundation pit bottom dislocation hidden pier reinforcing system and reinforcing method thereof
The invention relates to a tunnel foundation pit bottom dislocation hidden pier reinforcing system and a corresponding reinforcing method. The method comprises the steps that a soil body below a tunnel is perforated to form a grouting reinforcing area, and grouting is conducted on the reinforcing area to form hidden piers; wherein the grouting reinforcement areas are distributed on the two sides, in the width direction of the tunnel, in a soil body below the tunnel in a staggered mode, one side of each grouting reinforcement area is tangent to the boundary of one side of the tunnel, and the distance between the other side, in the width direction of the tunnel, of each grouting reinforcement area and the boundary of the other side of the tunnel is larger than zero; compared with traditional integral grouting, the reinforcing system and the reinforcing method adopting the technical scheme have the advantages that the use amount of grouting materials can be reduced, the construction cost is greatly reduced, waste is reduced, meanwhile, settlement of the bottom of a tunnel pit is effectively avoided, the total area proportion of a grouting reinforcing area can be flexibly changed according to the mechanical property of an original soil body, and the construction efficiency is improved. Construction areas are reduced, and the construction progress is effectively accelerated.
本发明涉及一种隧道基坑坑底错位暗墩加固系统和对应的加固方法，所述方法包括：对隧道下方的土体进行开孔形成注浆加固区域，及对所述加固区域进行注浆形成暗墩；其中所述注浆加固区域在隧道下方的土体中在沿隧道宽度方向的两侧交错分布，所述注浆加固区域一侧与隧道的一侧边界相切，所所述注浆加固区域沿隧道宽度方向的另一侧与隧道的另一侧边界之间相距一大于零的距离；采用上述技术方案的加固系统与加固方法，与传统的整体注浆相比，能够减少注浆材料的用量，极大降低工程造价，在减少浪费的同时，有效避免隧道坑底的沉降，并可根据原有土体的力学性质，灵活改变注浆加固区域的总面积占比，减少施工区域，有效加快施工进度。
Tunnel foundation pit bottom dislocation hidden pier reinforcing system and reinforcing method thereof
一种隧道基坑坑底错位暗墩加固系统及其加固方法
LOU JIAYUE (author) / ZHANG LIGANG (author) / CHEN CHANGKE (author) / ZHOU WENJUN (author) / HAO JIANTING (author) / LI YI (author) / ZHOU YAZHOU (author) / XU CHANGJIE (author) / LIANG LUJU (author) / GUAN LINGXIAO (author)
2022-08-30
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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