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贵州东风水电站外掺氧化镁混凝土在常温条件下的基本力学性能和为期三年的自生体积膨胀变形性能的试验成果表明,氧化镁混凝土的力学性能优于普通混凝土,并具有良好的延迟微膨胀特性。充分利用这种特性,能够提高混凝土自身的抗裂能力,简化水工大体积混凝土的温控措施,加快施工进度和节省工程投资。
The basic mechanical properties of MgO-doped concrete outside Guizhou Dongfeng Hydropower Station under normal temperature conditions and the three-year autogenous volume expansion deformation test results show that the mechanical properties of MgO concrete is better than ordinary concrete and has good properties of delayed micro-expansion . Taking full advantage of this feature, it can improve the concrete’s own crack resistance, simplify the temperature control measures of hydraulic mass concrete, speed up the construction progress and save the project investment.