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多年来，在软弱围岩勘探坑道中，都普遍采用密集的木材支护，由于木材缺乏，不但成本高，安全性差，而且维修困难，费用昂贵，尤其是在自稳时间短，有泥砂夹层和涌水的地层中更是无法掘进，常被迫停工报废，严重影响了地质资料的收集。为了满足地质找矿的需要，解决坑道施工中的安全、快速、优质、低耗问题，我局开展了以岩体力学为理论基础，控制爆破和锚喷支护为主要手段，围岩量测为检验依据的试验工作。通过对开挖后围岩变形的实地测量，进行数据的分析处理，提供施工信息，以便选取合理的支护时间和规模，修改施工设计。试验结果表明：利用量测信息指导施工，将传统的“经验设计和施工”变成了“科学掘进”，使我们掌握了施工的主动权，提高了施工的经济性和安全性，是值得进一步研究和推广的施工方法。
For many years, intensive timber support has been widely used in the exploration of weak rock. Due to the lack of wood, it is not only costly, poorly safe, but also difficult to maintain and costly, especially when the self-stabilizing time is short, silt intercalations and Gushing water stratum is unable to drive, often forced to stop working scrapped, seriously affecting the collection of geological data. In order to meet the needs of geological prospecting and to solve the problems of safety, rapidness, high quality and low consumption in construction of tunnels, our bureau has carried out rock mass mechanics as the theoretical foundation, controlled blasting and bolt-shotcrete support as the main measures, To test the basis of the test work. After the excavation of the surrounding rock deformation field measurement, data analysis and processing, to provide construction information in order to select a reasonable support time and scale, modify the construction design. The test results show that using the measurement information to guide the construction and turning the traditional “experience design and construction” into “scientific excavation” enables us to grasp the initiative of construction and enhance the economy and safety of construction. It is worth further Research and promotion of construction methods.