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GIN（灌浆强度值）法几年前就已介绍过。目前，该法被普遍接受，并在许多工程中得到应用。但是，在一个实际的工程中，为了取得最好的灌浆结果，面临着如何选择一个最佳GIN值的问题。解决这个问题有3种方法（或者是这3种方法的综合运用），即理论法、实验法、观测法。综合考虑岩石的自然条件、设计要求和灌装过程的经济因素，可选择一个最有效的GIN值。
GIN (grouting strength value) method has been introduced a few years ago. At present, the law is generally accepted and has been applied in many projects. However, in a practical project, in order to obtain the best grouting result, we face the problem of how to choose the best GIN value. There are three ways to solve this problem (or the combination of these three methods), that is, theoretical method, experimental method, observation method. Taking into account the rock’s natural conditions, design requirements and economic factors of the filling process, choose one of the most effective GIN values.