impermeability

To improve the impermeability of concrete, and reduce cracks in concrete created by the shrinkage, expansive agent is often added.

为了提高混凝土的抗渗性能，以及减免由于混凝土收缩而产生的裂缝，在混凝土中经常加入膨胀剂。

The detecting results show that concrete has no cracks and has excellent impermeability .

现场检测表明，混凝土未出现裂纹，且抗渗性良好，达到了预期效果。

Author has found the newest theory of high impermeability of concrete for preventing from cracking on the basis of it.

混凝土高抗渗防裂最新抗裂理念的建立，利用了这一关系。

On the base of test analyse about its physical and mechanical properties, developing material study of impermeability and cast technics.

在对混凝土试样的物理力学性能测试分析的基础上，开展材料抗渗性能和浇筑工艺研究。

The material itself is water-repellent nano-crystalline material, they are able to moisture impermeability.

结晶纳米物质本身为憎水物质，所以能抗渗防潮。

When strengthening recycled aggregate, the impermeability of recycled aggregate concrete will be improved in a certain degree.

对再生骨料进行强化处理后，得到一定程度的改善；

Mainly, this paper mainly study and analyze the impermeability and electric conduction of the carbon fiber concrete (CFRC).

本文主要针对碳纤维混凝土（CFRC）的抗渗性能和导电性能进行了实验研究和分析。

The resistance of concrete to freezing and thawing can be improved by increasing its impermeability.

混凝土的抗冻性，可以用增强其抗渗性来提高。

The air entrained concrete has the advantage of high impermeability and frost resistance.

引气混凝土（加入引气剂的混凝土）较一般混凝土在保证强度下，具有抗渗及抗冻性高的优点。

TESTS RELATING TO PAVEMENTS. MEASUREMENT OF THE IMPERMEABILITY OF JOINTS ON CEMENT CONCRETE PAVEMENTS.

路面试验.水泥混凝土路面上的接合处的不透水性试验

TEXTILES. TESTS OF WOVEN FABRICS. DETERMINATION OF IMPERMEABILITY OF LINEN CLOTH FOR COVERS, TENTS AND EQUIPMENT. "POCKET" METHOD.

纺织.织物试验，蓬布和设备用亚麻织物不透水性的测定。“袋中”法

The changing water level device and the transparent vessel insure the accuracy and dependability of impermeability intensity measuring.

设计的变水头装置和透明接水容器，保证了粉土抗渗强度测定的可靠性和准确性。

The soil samples have weak self-impermeability, but favorable impermeability under the protection of the inverted filter materials.

土样的自身抗渗较差，但是在有反滤料保护条件下具有良好的抗渗性能。

Foam has a robust and independent foam connection, water absorption in less than 25%. impermeability.

发泡有强韧而独立的发泡连接，吸水率在25%以内。具有防潮、抗渗性能。

Clay roofing tiles for discontinuous laying. Determination of physical characteristics. Part 1 : impermeability test.

不连续铺设用陶土瓦.物理特性的测定.第1部分：抗渗试验

And air-entraining agent increases impermeability of hybrid fiber reinforced concrete.

引气剂有助于提高混杂纤维混凝土的抗渗性。

PACKAGING. DETERMINATION OF DEGREE OF IMPERMEABILITY TO GREASE.

包装.不透油程度的测定

When anchored, this layer will provide a key layer of water impermeability, slowing erosion and increasing the levee's lifetime.

固定好之后，这一塑料布层将是防水工作的关键所在，不仅减缓侵蚀，也提高堤坝的寿命。

It is superior to sodium silicate cement in impermeability , resistance to dilute acid and cohesive strength.

钾水玻璃胶泥的抗渗透性、耐稀酸性和粘结强度高于钠水玻璃胶泥。

b. Dynamical growing of the liquid impermeability.

液体非渗透性的动态增强；