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小浪底工程出口边坡利用勘探竖井设置了一根抗滑桩。在施工过程中,种种现象表明,Ⅱ区边坡处于临界稳定状态,结合其它措施,在该边坡下部高程144m平台上增加5根抗滑桩。为降低施工难度,加快抗滑桩的施工进度,确保1997年截流目标的实现,又对设计的桩底高程进行了优化。实践证明,根据实际情况及时调整设计和施工的动态设计思想是有效和成功的。
Xiaolangdi project exit slope using the exploration shaft set up an anti-slide pile. During the construction process, all kinds of phenomena showed that the slope in Zone Ⅱ was at a critical steady state. Combined with other measures, five anti-slide piles were added to the 144m platform at the lower elevation of the slope. In order to reduce the construction difficulty, speed up the anti-slide pile construction progress, ensure the realization of the river closure target in 1997, and optimize the designed pile bottom elevation. Practice has proved that according to the actual situation in a timely manner to adjust the design and construction of dynamic design ideas is effective and successful.