waterproofing admixture 中文意思是什麼
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It has a good compensation to shrinkage, and can improve the anti - cracking and anti - penetrating performance of concrete. it is often added to concrete to produce expanding concrete or the anti - cracking and anti - penetrating concrete, which are widely used in such engineering as waterproofing, anti - penetrating, mending etc. the expansion admixture include at present sulphoaluminate such as uea, ea - l etc ), calcium oxide, and some composite expansion admixtures
混凝土膨脹劑在普通混凝土中可抵消干縮或溫度降低引起的拉應力，起到良好的補償收縮作用，能提高混凝土的抗裂防滲能力，常用於配製膨脹混凝土或抗裂防滲混凝土，廣泛地應用於防水、抗滲、修補等工程中。 -
This paper designs molecular structure of organic water - repellent admixture. we choose carboxylic acid that possesses amphiphilic molecular structure and sodium carbonate and potassium hydroxide as important raw materials. they carry through soaps turns reaction to synthesize polycarboxylic acid type waterproofing agent
本文通過對有機質防水劑分子結構設計，選擇具有兩親結構的羧酸（酸a 、酸b ） 、無水碳酸鈉、氫氧化鉀為主要原材料，通過皂化反應，合成多元羧酸系防水劑。 -
The homogeneous characteristics of polycarboxylic acid type waterproofing agent are measured according to gb / t 8077 ? 2000 concrete admixture homogeneous experimental method, the technical characteristics of polycarboxylic acid type waterproofing agent are checked depending on jc474 ? 1999 mortar and concrete waterproofing agent. the result shows that polycarboxylic acid type waterproofing agent is provided with good anti - permeability
對試制樣品按gb / t8077 ? 2000 《混凝土外加劑勻質性試驗方法》標準檢測多元羧酸系防水劑的勻質性，按jc474 ? 1999 《砂漿、混凝土防水劑》標準檢測多元羧酸系防水劑的技術性能。 -
The hydrophobicity materials on organic water - repellent admixture have been extensively used in tunnel waterproofing engineering in america, australia, japan and west germany since the end of the 1950s
進入五十年底，美國、加拿大、日本、西德等國在各類防水工程中就廣泛的使用了憎水材料的有機質防水劑。 -
The advanced carboxylic acid waterproofing agent became main content of cement liquid water - repellent admixture that korean most used
而高級羧酸系防水劑為韓國使用最多的「水泥液體防水劑」的主要材料。
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