彭怀德,褚夫蛟,杨光,陈治,彭益君

• 1:中南大学资源与安全工程学院
• 2:山东理工大学资源与环境工程学院
• 3:湖南文理学院土木建筑工程学院
• 4:上海隧道工程有限公司

摘要(Abstract)：

为了解决近年兴起的高压气体膨胀法应用于隧道工程时存在的破岩难易程度和孔网参数合理性的问题,引入破岩有效性的概念和一种基于云模型理论的评价方法。根据隧道围岩性质和高压气体破岩的特点,建立了隧道高压气体破岩有效性等级评价模型。通过正向正态云发生器生成对应的云模型参数,再结合各评价因子的权重,获得云模型的综合确定度,最后利用最大隶属度原则确定隧道高压气体破岩有效性等级。将该模型应用于某一隧道工程,成功评定出该隧道掌子面高压气体破岩有效性等级。研究结果表明:该方法不仅能给出隧道高压气体破岩有效性等级,而且对孔网参数的选择起到了指导作用,为高压气体膨胀法在隧道工程中的应用和推广提供了理论基础。

关键词(KeyWords)： 近接隧道施工;高压气体破岩;云模型;有效性等级评级

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51404303);; 湖南省教育厅科学研究项目(17C1086)

作者(Author): 彭怀德,褚夫蛟,杨光,陈治,彭益君

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