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爆破开挖会造成一定范围内围岩的破坏或松动，导致围岩承载能力下降。结合工程实践，利用声波探测技术对钻探岩芯和现场爆堆试块进行测试，并结合现场测试结果，确定破碎松动范围，互相验证，证明声波探测技术可靠
Blasting excavation will cause the destruction or loosening of surrounding rock within a certain range, resulting in the decrease of carrying capacity of surrounding rock. Combined with engineering practice, using sound wave detection technology to test the drilling core and on-site blasting block, combined with the field test results to determine the scope of broken loose, verify each other to prove sound-sounding technology reliable