阐述普通水玻璃耐酸混凝土的缺陷及使用范围的局限性；说明密实性耐酸混凝土的组成及在地坪、地沟中的施工方法、步骤；
The defects and limitation of common acidresisting sodium silicate concrete are examined and the application of consolidated acidresisting concrete on floor and ditch is described.
本文阐述了目前混凝土渗透性的测试方法当中存在的共同缺陷，以及渗透性测试方法的改进建议和改进方法。
This article sets forth the common defects existing in the current testing methods on concrete permeability and the suggestion and ways to improve.
纤维增强混凝土可以弥补一般混凝土的脆性缺陷。
Fiber reinforced concrete can make up for the brittleness of concrete.
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