国标《砌墙砖试验方法——干燥收缩试验》简介

Brief introduction of state standard 《The drying shrinkage test included in testing method of wall brick》

干燥收缩是硅酸盐砖及砌体产生裂缝的因素之一,是硅酸盐砖的一个重要性能指标。新国标GB2542《砌墙砖试验方法》新增了干燥收缩试验。本文从仪器、试件、试验条件及结果计算等方面对该方法作一简要介绍。

Dry shrinkage is one of factors crack initiation of silicate brick and brick-work, that is a important characteristic of silicate brick, In new chinese industrial standard GB2542, testing methods of wall brick properties, dry shrinkage test was added. In this paper, the test instrument, the test sample, the test condition, and the test results calculation and etc. from testing methods are briefly introduced.