Considering the long-distance concrete pumping characteristics of a high-rise building project in Beijing, the best quantity of coarse aggregate per cubic meter, water quantity per cubic meter and mineral admixtures were designed to prepare C30 concrete for over-500 m long-distance pumping. The C30 concrete has high flow state, low viscosity and small loss after a long period, realizing favorable application effect.%针对北京某高层建筑混凝土远距离泵送的特点,从单方最佳粗骨料用量、单方用水量、矿物掺合料等因素入手,配置出大流态,低粘度,经时损失小,适合500m以上远距离泵送的C30混凝土,应用效果良好.
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