It is suggested to rein - force local bearing wall's strength by raising up the grade of cement sandgrout.
建议提高砂浆强度等级在砖砌体局部加强强度。
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
When the sandgrout contains limestone powder, the limestone powder can improve the pore structure and decrease the porosity of the sandgrout because of its filling effect.