负温高强混凝土冻结损伤参数适应性条件研究

摘要

Based on the fundamental principle of hypothesis strain equivalence,itwas investigated a physical concept of high strength concrete at minus temperature (HSCMT) freezing damage parameter,the elastic modulus of frost concrete with anti freeziug admixture and without antifreezing admixture built and it was analyzed their variate process and the condition adaptated.It is purpose to judge HSCMT frost failure process.%从应变等效性假说的基本原理出发，研究了负温混凝土冻结损伤参数——弹性模量法中受冻后测试的损伤混凝土弹性模量的物理概念，从而分析了掺防冻剂混凝土及不掺防冻剂混凝土受冻后的弹性模量变化过程及其选用该参数的适应性条件，为判断负温高强混凝土材料冻结失效过程提供保证。