结果表明，利用合成产品的无泌水水泥净浆流动度的保持性能可以定性判定合成产品在保持混凝土坍落度方面的能力。

The results show that the ability of the synthesis production to control the slump loss can be qualitatively determined through the ability to keep the fluidity of cement paste without bleeding.

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对压浆混凝土存在的强度偏低现象进行了研究，指出了泌水量大是压浆混凝土强度较低的主要原因。

This paper studies the reasons for low strength of post- placed aggregate concrete, and points oat that great bleeding is the main reason for low strength of the concrete.

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