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本文结合天津经济技术开发区的环境水质条件，对基准混凝土、双掺混凝土的护筋性进行了研究．试验结果表明：双掺混凝土的护筋性有较大提高，水灰比是影响混凝土护筋性的主要因素．
In this paper, based on the environmental water quality conditions in Tianjin Economic and Technological Development Zone, the reinforcement properties of the benchmark concrete and the double concrete are studied. The test results show that the reinforcing properties of the double-doped concrete are greatly improved, and the water-cement ratio is the main factor affecting the reinforcing properties of the concrete.