【摘要】 基坑移动钢支撑体系是通过预设的轨道和专用的起吊设备将拼装好的支撑平稳、快速架设就位的基坑支护系统。通过数值模拟及现场试验证明,对于狭长型基坑,移动钢支撑系统可提高坑内支撑架设速度,缩短软土固结与蠕变变形的发展时间,提高基坑支护结构的围护效用,保证基坑开挖过程中的安全稳定性,控制基坑开挖对环境的影响,具有一定的推广价值。更多还原

【Abstract】 Foundation pit moving steel support system is the system to set up the assembled support stably and rapidly through preset rail and specific hoisting equipment.According to numerical simulation and field test,for long & narrow foundation pit,moving steel support system is proved to increase the support set up speed inside the foundation pit,to shorten the developing time of soft soil consolidation and creep deformation,to improve the enclosure effect of foundation pit support structure,to guarantee the safety & stability of the excavation period and to control the influence to the surroundings.In a word,moving steel support system has certain promotion value for similar projects.更多还原