查询词典 water impermeability

It is shown from the parallel experimental results that the water tight fly ash concrete can substitute for the rubber water tight board, and the water tight fly ash concrete has more impermeability than the rubber board under the circumstances that permeability pressure of the tunnel is not very high.

在寒冷地区，隧道漏水还会使隧道路面冻结，顶部产生冰柱，影响隧道交通。对维护费用较高的隧道，诸如穿越含污染水层的供水隧道、可能由流沙在衬砌形成空隙的隧道、装有电气设备的隧道、以及要求美观的隧道如人行通道和地铁车站，都应采取防水措施。

In this paper,the effect of factors such as fly ash,slag,water-reducing admixture and paste state of sur-face of concrete structure on impermeability and carbonation resistance of fair-faced concrete was analyzed using raw mate-rials applied in different construction section of Nanjing Changjiang River 3 Bridges.

本文以南京长江三桥不同标段清水混凝土为原材料，研究了粉煤灰、矿渣、减水剂、结构表面的浆体状况等对清水混凝土抗渗、抗碳化等耐久性的影响。

The water/cement ratio and cement content are two main factors which reflect the impermeability of concrete.

水灰比和水泥用量是反映混凝土抗渗性的两个主要因素。

Because of this condition, applicability of water permeating method to evaluate impermeability of concrete is studied in this paper.

正是基于这种现状，本课题着重研究了水渗透法评价混凝土渗透性的适用性。

The distribution characteristics of the groundwater and its relationship with replenishment and discharge of surface water are closely relevant to impermeability of reservoir.

而地下水的分布特征及其与地表水的补给、排泄关系对水库的不透水性密切相关。

The results show that the incorporation of fly ash can increase the impermeability of concrete,meanwhile decreased water-cement rat...

结果表明，粉煤灰的掺入可以提高混凝土的抗渗性，同时在试验范围内水灰比减小和粉煤灰掺量增加都可以提高混凝土的抗渗性能。

Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.

硬实种子种皮透水透气性差和对胚生长的机械限制，引起种子休眠。

In water level variation zone, the Fusun Portland cement of 525 grade should be adopted which will have a concrete frost-resistence label of D300, compressive strength of R28300 and impermeability of S8, In addition, studies have also been conducted on the selection and design standards of bedding mat...

此外，还针对寒冷地区此种坝型垫层料与小区料选择及其设计标准，玄武岩地区趾板基础工程处理措施等问题进行了研究。

Float ore Work resist Fissure Mortar is a waterproof impermeability with excellent crack resistance of the special dry-mixed mortar, it is a kind of dry power comp;exed by polymer modified import materials and vacuum ball perlite glassy beads, the scene of mixing water can be used directiy.

抹面抗裂砂浆是一种具有优异防水抗渗抗裂性能的特种干混砂浆，是以进口高分字改性材料和真空球珍珠岩玻化微珠复合而成的干粉料，现场施工加水搅拌即可使用。

Float ore Work resist Fissure Mortar is a waterproof impermeability with excellent crack resistance of the special dry-mixed mortar, it is a kind of dry power comp;exed by polymer modified import materials and vacuum ball perlite glassy beads, the scene of mixing water can be used directiy. Construction

抹面抗裂砂浆是一种具有优异防水抗渗抗裂性能的特种干混砂浆，是以进口高分字改性材料和真空球珍珠岩玻化微珠复合而成的干粉料，现场施工加水搅拌即可使用。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。