Purpose:
It is mainly cooperated to do alkali aggregate reaction test, the test sample length change. In line with the GB/T50082-2009 "ordinary concrete long-term performance and durability test
Purpose: It is mainly cooperated to do alkali aggregate reaction test, the test sample length change. In line with the GB/T50082-2009 "ordinary concrete long-term performance and durability test method of alkali aggregate reaction test length measuring instrument requirements in item 15.2.