Hollow columns were made with sand-cement grout as test samples, on which the failure characteristic was studied in the condition of tri axis hydraulic fracturing.
选用水泥砂浆作为试验材料，研究其在水力劈裂条件下的破坏特征。
Hollow columns were made with sand-cement grout as test samples, on which the failure characteristic was studied in the condition of tri axis hydraulic fracturing.
选用水泥砂浆作为试验材料，研究其在水力劈裂条件下的破坏特征。
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