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Development and Applications of the Intrinsic Model for Formwork Pressure of Self-Consolidating Concrete

机译:自密实混凝土模板压力本征模型的开发与应用

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摘要

Self-consolidating concrete (SCC) is a recently developed innovative construction material. SCC fills in a formwork without any vibrating consolidation, which allows us to eventually achieve robust casting. However, high formwork lateral pressure exerted by SCC is a critical issue regarding its application as cast-in-place concrete. In order to control the risk caused by high formwork pressure, a comprehensive prediction model for the pressure was previously proposed, investigated, and validated with various SCC mixtures. The model was originally designed to simulate the intrinsic pressure response of SCC mixtures while excluding other extrinsic influencing factors such as friction and flexibility of the formwork. The model was then extended to consider extrinsic factors such as friction between SCC mixtures and formwork. In addition, other interesting topics for peak formwork pressure and mineral admixture effects were summarized in the paper.
机译:自凝结混凝土(SCC)是最近开发的创新建筑材料。 SCC填充模板时没有任何振动合并,这使我们最终可以实现可靠的铸造。但是,由SCC施加的高模板横向压力对于将其作为现浇混凝土的应用而言是一个关键问题。为了控制由高模板压力引起的风险,先前已提出,研究并使用各种SCC混合物验证了压力的综合预测模型。该模型最初设计为模拟SCC混合物的固有压力响应,同时排除其他外部影响因素,例如模板的摩擦和柔韧性。然后扩展该模型以考虑外部因素,例如SCC混合物和模板之间的摩擦。此外,本文还总结了峰值模板压力和矿物掺合效果的其他有趣话题。

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