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应用GPR技术对轨道交通结构物回填加固区域回填质量进行检测,查找回填区域内GPR技术参数异常带,后期对异常带进行注浆加固处理,同时对加固效果进行复检。通过前后两次检测结果计算研究,评价轨道交通结构物加固区回填质量的效果。
GPR technique is used to detect the quality of backfill in the area of backfill of rail transit structures, to find the GPR technical parameters anomalous zone in the backfill area, and to grout and reinforce the anomalous zone in the later period, and to re-examine the reinforcement effect. The effect of the backfill quality in the reinforcement zone of the rail transit structure is evaluated through the calculation of two test results before and after.