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。
In order to improve crack resistance of concrete, test and analysis are made on the influence of mineral compositions of cement on brittleness of sand grout.
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。
It is suggested to rein - force local bearing wall's strength by raising up the grade of cement sand grout.
建议提高砂浆强度等级在砖砌体局部加强强度。
应用推荐