预应力钢筋砼的损失与减小措施总结

Summary of the Losses of Prestressed Concrete and the Measures to Reduce Losses

预应力损失导致混凝土的预压应力降低,对构件的受力性能将产生影响,因此正确认识预应力损失非常重要。本文从组成混凝土的材料,张拉技术和施工方法及使用过程上的发展状况来进行阐述,提出了提高预应力混凝土使用效率的原因和建议。

Prestress loss can reduce the prestress of concrete,and will impact the force performance of the components,so it is very important to correctly understand the loss of prestress.In this paper,the materials of concrete,tension technology,construction methods and the development in the using process are explained,and the reasons and recommendations to improve the efficiency of prestressed concrete are put forward.