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1研制混凝土拌和楼的目的桃林口水库大坝是我国北方地区第一座采用RCC工法施工的大型碾压混凝土重力坝。为适宜北方地区气候干燥风大的特点，大量室内和现场试验证明，宜采用低工作度（VC值）碾压混凝土施工，以利于保证碾压混凝土的层间结合质量及提高碾压混凝土的抗冻耐久性
The purpose of developing concrete mixing building The Taolinkou Reservoir Dam is the first large-scale RCC gravity dam constructed by RCC method in northern China. In order to adapt to the characteristics of dry and windy climate in the north, a large number of indoor and field tests have proved that it is advisable to adopt a low-work-rate (RCC) roller compacted concrete construction in order to ensure the quality of RCC interlayer bonding and improve the resistance of RCC Frozen durability