The foundation pit of Olympic Station of Nanjing metro Lne 1 has a depth of 9 to 11 meters. The geology of the site is soft silt and sandy soil with extremely rich ground water. With the application of composite soil nailing for the retaining structure of the pit, satisfied economic results have been achieved. The successful implementation of the project can provide guideiines to similar projects.%论述南京地铁1号线奥体中心站情况,基坑深度9～11m,基坑地质条件为软弱淤泥质土层、砂性土层,地下水极其丰富,采用复合型土钉进行支护.工程的成功实施,取得了一定的经验和很好的经济效果,为类似工程提供可资借鉴的经验.
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