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大规模复杂采空区处治
来源:西安中交公路岩土工程有限责任公司   发布时间:2013/7/15 11:44:00   浏览次数:

  京福高速公路徐州绕城西段煤炭采空区,因多层、富水、急倾斜、埋深大、断裂构造发育、地表大面积积水而呈现十分复杂的特点。

  公司技术人员结合工程实际,进行了大量的现场试验研究,取得了该类采空区勘探方法的组合处治方案、稳定性分析与评价方法、处治工程注浆材料类型及配比、注浆孔的孔距、注浆工艺及质量检验等一系列成果,为采空区的勘探、注浆工艺及处治施工提供了可靠的依据,同时结合科研工作,提出了系统评定煤炭采空区处治工程质量的检验评定方法和标准,填补了我国在采空区处治工程质量检验评定方面的空白。

The coal mine gob of west Xuzhou round-city section of JingFu expressway has complicated features because of multi-layer, excessive water, sharp inclination, deep embedment, developing fracture structure and ground surface filled with large-proportion water.

  The professionals of the company did a great deal of in-situ trial research in combination with the engineering practice and made a series of achievements such as the combination treatment scheme of exploration method of this type gob, stability analysis and evaluation means, type and mix ratio of grout filling material for treatment engineering, the distance between grout filling holes, grout filling technology and quality check-up, etc. which offer the reliable basis in the exploration of gob, grout filling technology and treatment construction. Besides, according to the scientific research work, they presented the method and standard of quality check-up and evaluation of treatment engineering for coal mine gob which supplies the gap in quality check-up and evaluation of treatment engineer for gob.

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