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大试体试验是碾压混凝土配合比优化试验技术，结合白石水库碾压混凝土配合比选择，开展了该项试验技术研究．着重介绍碾压混凝土大试体试验的方法、特点及成果，同时与现场碾压试验结果进行了对比分析．结果表明，大试体试验可有效地用于碾压混凝土配合比优化设计，同时认为该项试验技术完善了配合比室内试验技术．
The test of large test body is an optimized test technology for the mix proportion of roller compacted concrete. With the selection of RCC mix ratio of Baishi reservoir, this test technology research is carried out. The methods, characteristics and achievements of roller compacted concrete test are emphatically introduced. At the same time, the comparisons with the rolling test results are carried out. The results show that the test of large body can be effectively used to optimize the mix proportion of roller compacted concrete. At the same time, it is considered that the test technique has improved the indoor test technology of mix ratio.