【摘要】 结合保阜二级公路三期改建工程中公路下伏采空区的治理 ,对压力注浆技术及效果进行基本介绍 .更多还原

【Abstract】 Taking the third-period reconstruc tion of Baofu second-grade highway as an example,the paper br iefly introduces the pressure concrete-pouring technique and i ts effects in the tackling of subsiding ground under highway.更多还原