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针对当前构件产品外观质量较差、外压荷载值较低等问题,试验开展了构件混凝土配合比研究.以U型槽为研究对象,试验研究了混凝土配合比对U型槽外观、外压荷载及抗渗性的影响,讨论了混凝土工作性、强度与U型槽外观、外压荷载的联系.为制备出性能较好的U型槽,试验推荐了一个合理的混凝土配合比,提出了干硬性混凝土VC值和强度的合理范围,这对渠槽构件混凝土的合理配制具有一定的参考价值.
Aiming at the problems of poor appearance quality and low external pressure load, the test of component mix ratio is carried out in this paper.U-Groove is taken as the research object to study the effect of concrete mix ratio on the appearance of U- And impermeability of concrete, the relationship between workability and strength of U-shaped groove and appearance and external pressure of U-shaped groove was discussed.In order to prepare U-shaped groove with better performance, a reasonable proportion of concrete was recommended in this paper, A reasonable range of VC value and strength of the rigid concrete, which has certain reference value for the rational formulation of the concrete of the channel member.