Hollow columns were made with sand-cementgrout 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。
2
In order to improve crack resistance of concrete, test and analysis are made on the influence of mineral compositions of cement on brittleness of sandgrout.
为了提高混凝土的抗裂性能，本文主要从水泥矿物成分对砂浆脆性的影响进行试验研究分析。
3
It is suggested to rein - force local bearing wall's strength by raising up the grade of cementsandgrout.