A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Karst foundation grouting reinforcement method based on stress diffusion and corrosion rate
The invention discloses a karst foundation grouting reinforcement method based on stress diffusion and corrosion rate. The method comprises the following steps: firstly, determining a foundation reinforcement length through a project general situation, and determining bedrock lithology and underground water characteristics according to geological exploration; and then determining the horizontal diffusion width and the vertical diffusion safety depth of the roadbed stress according to the roadbed width and the roadbed load. And testing the corrosion rate of the bedrock by adopting an indoor constant-temperature dynamic corrosion test in combination with the lithology of the bedrock and the characteristics of underground water. And the final grouting reinforcement range is determined by combining the roadbed stress diffusion range and the distance from karst corrosion to the foundation, and finally surrounding type layer-by-layer dynamic grouting is adopted. And after grouting is completed, the grouting effect is detected, it is ensured that the karst foundation is effectively reinforced, and engineering safety is guaranteed. The method has the advantages of being efficient, economical and safe, and a more reliable and economical solution is provided for engineering construction of the karst development area.
本发明公开了一种基于应力扩散与溶蚀速率的岩溶地基注浆加固方法。该方法首先通过工程概况确定地基加固长度，根据地质勘察确定基岩岩性、地下水特性。然后根据路基宽度和路基荷载确定路基应力水平扩散宽度和竖向扩散安全深度。再采用室内恒温动态溶蚀试验，结合基岩岩性、地下水特性测试基岩的溶蚀速率。结合路基应力扩散范围和岩溶溶蚀至地基的距离确定注浆加固的最终范围，最后采用包围式逐层动态注浆。注浆完毕后，检测注浆效果，确保有效加固岩溶地基，保障工程安全。该方法以其高效、经济、安全的特点，为岩溶发育区的工程建设提供了更为可靠和经济的解决方案。
Karst foundation grouting reinforcement method based on stress diffusion and corrosion rate
The invention discloses a karst foundation grouting reinforcement method based on stress diffusion and corrosion rate. The method comprises the following steps: firstly, determining a foundation reinforcement length through a project general situation, and determining bedrock lithology and underground water characteristics according to geological exploration; and then determining the horizontal diffusion width and the vertical diffusion safety depth of the roadbed stress according to the roadbed width and the roadbed load. And testing the corrosion rate of the bedrock by adopting an indoor constant-temperature dynamic corrosion test in combination with the lithology of the bedrock and the characteristics of underground water. And the final grouting reinforcement range is determined by combining the roadbed stress diffusion range and the distance from karst corrosion to the foundation, and finally surrounding type layer-by-layer dynamic grouting is adopted. And after grouting is completed, the grouting effect is detected, it is ensured that the karst foundation is effectively reinforced, and engineering safety is guaranteed. The method has the advantages of being efficient, economical and safe, and a more reliable and economical solution is provided for engineering construction of the karst development area.
本发明公开了一种基于应力扩散与溶蚀速率的岩溶地基注浆加固方法。该方法首先通过工程概况确定地基加固长度，根据地质勘察确定基岩岩性、地下水特性。然后根据路基宽度和路基荷载确定路基应力水平扩散宽度和竖向扩散安全深度。再采用室内恒温动态溶蚀试验，结合基岩岩性、地下水特性测试基岩的溶蚀速率。结合路基应力扩散范围和岩溶溶蚀至地基的距离确定注浆加固的最终范围，最后采用包围式逐层动态注浆。注浆完毕后，检测注浆效果，确保有效加固岩溶地基，保障工程安全。该方法以其高效、经济、安全的特点，为岩溶发育区的工程建设提供了更为可靠和经济的解决方案。
Karst foundation grouting reinforcement method based on stress diffusion and corrosion rate
一种基于应力扩散与溶蚀速率的岩溶地基注浆加固方法
SUN TAO (author) / ZHANG JIAN (author) / LIU DAQING (author) / GAO QIANG (author) / JIA WENQIANG (author) / LEE SUNG-HO (author)
2024-11-26
Patent
Electronic Resource
Chinese
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