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Safety Monitoring and Early Warning for Deep Foundation Pit Construction
Based on an engineering project, this paper initially establishes an observation point for foundation pit and then determines monitor warning value. During project construction, we carried out an experiment on the horizontal movement and settlement and inclination of adjacent buildings and promptly monitored the foundation pit., Scientific analysis of the data is presented. This work is designed to provide for effective measures to implement security alerts for foundation construction.. Detailed analysis examines the causes of deformation of foundation pit and offers a reasonable treatment measure. Results offer some scientific basis and technical measures to guarantee deep foundation project construction security and more knowledgeable engineering construction. With the rapid development of urbanization in China, the deep excavation works requirehave been put forward strict demand regulations concerningdue to the requirements of the spatial location, structural stability and using function. Deep excavation engineering is mostly carried out in areas of heavy traffic and dense construction. The complexity associated with deep excavation depth and difficult construction creates environments where serious accidents can occur. The deep excavation work is a wide-ranging and integrated engineering process. Previous research on accidents in national deep foundation pit engineering found the general accident ratio was about 20% of that of the deep excavations work (Tang, 1997),. Most accidents in urban areas were caused by foundation pit support. In deep excavation engineering, both the strength and deformation of the supporting structure and the surrounding environment affected by pit deformation should be considered (Sun, 2006). The pit support systems are always temporary facilities with fewer safety considerations and more hazards. Working status and conditions are more complicated and uncertain. Thus, during the construction process, dynamic monitoring and control is very important. The content of deep excavation-site monitoring generally includes the horizontal displacement of supporting structure, tilt displacement of neighboring buildings, sedimentation of adjacent roads and so on. A monitoring crew should provide timely feedback information (Liu, 2006) to detect any problems and provide early warnings for reducing disasters. A monitoring program that provides critical information and manages deep excavation construction scientifically and effectively is the key to successful deep excavation construction (Liu et al., 2007).
Safety Monitoring and Early Warning for Deep Foundation Pit Construction
Based on an engineering project, this paper initially establishes an observation point for foundation pit and then determines monitor warning value. During project construction, we carried out an experiment on the horizontal movement and settlement and inclination of adjacent buildings and promptly monitored the foundation pit., Scientific analysis of the data is presented. This work is designed to provide for effective measures to implement security alerts for foundation construction.. Detailed analysis examines the causes of deformation of foundation pit and offers a reasonable treatment measure. Results offer some scientific basis and technical measures to guarantee deep foundation project construction security and more knowledgeable engineering construction. With the rapid development of urbanization in China, the deep excavation works requirehave been put forward strict demand regulations concerningdue to the requirements of the spatial location, structural stability and using function. Deep excavation engineering is mostly carried out in areas of heavy traffic and dense construction. The complexity associated with deep excavation depth and difficult construction creates environments where serious accidents can occur. The deep excavation work is a wide-ranging and integrated engineering process. Previous research on accidents in national deep foundation pit engineering found the general accident ratio was about 20% of that of the deep excavations work (Tang, 1997),. Most accidents in urban areas were caused by foundation pit support. In deep excavation engineering, both the strength and deformation of the supporting structure and the surrounding environment affected by pit deformation should be considered (Sun, 2006). The pit support systems are always temporary facilities with fewer safety considerations and more hazards. Working status and conditions are more complicated and uncertain. Thus, during the construction process, dynamic monitoring and control is very important. The content of deep excavation-site monitoring generally includes the horizontal displacement of supporting structure, tilt displacement of neighboring buildings, sedimentation of adjacent roads and so on. A monitoring crew should provide timely feedback information (Liu, 2006) to detect any problems and provide early warnings for reducing disasters. A monitoring program that provides critical information and manages deep excavation construction scientifically and effectively is the key to successful deep excavation construction (Liu et al., 2007).
Safety Monitoring and Early Warning for Deep Foundation Pit Construction
Wang, Haibiao (author) / Yang, Haixu (author) / Dong, Xibin (author) / Ni, Songyuan (author)
Tenth International Conference of Chinese Transportation Professionals (ICCTP) ; 2010 ; Beijing, China
ICCTP 2010 ; 3493-3500
2010-07-22
Conference paper
Electronic Resource
English
Safety Monitoring and Early Warning for Deep Foundation Pit Construction
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