Chain pin method features flexible implementation, convenient material selection, simple arrangement and low cost.Therefore, it is widely applied in monitoring of water and soil conservation.Meanwhile, this method also is with disadvantages of lower monitoring preci-sion, frequently being disturbed and damaged, etc.In the paper, issues and solution of application of the chain pin method are discussed in combination with the practice of the chain pin method in monitoring of water and soil conservation of the newly-built passenger dedicated line from Xi'an to Baoji.%测钎法具有实施灵活、选材方便、布设简单、成本低廉的优点，在水土保持监测工作中已经广泛使用，但同时还存在监测精度不高、受人为活动扰动频繁、易受破坏等缺点。文章结合测钎法在新建铁路西安至宝鸡客运专线水土保持监测工作中的实际应用情况，对测钎法应用遇到的问题及其解决方法进行探讨。
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