混凝土收缩开裂与减缩防裂剂的研究

The Research on Shrinkage cracking of Concrete with Shrinkage reducing and Crackproof Agent

混凝土开裂主要与收缩有关 ,掺用减缩防裂剂能使混凝土收缩率降低 5 0 %、有效防止混凝土收缩裂缝产生。本文简要介绍最新研制的JD JS减缩防裂剂作用机理及与国外同类产品性能对比试验结果。

? The shrinkage of concrete leads to the crack of concrete.With the help of the shrinkage reducing and crackproof agent,we can make the shrinkage rate of concrete drop 50%.This product can effectively prevent the appearance of shrinkage crevices of concrete.This paper will expound abovementioned mechanism and introduce the properties of newest shrinkage reducing and crackproof agent JD—JS. 〔