1) coefficient of imperviousness
不透水系数
2) impermeable coefficient
不透水性系数
1.
The results showed that: When the amount of curing agent was certain(1∶8),the impermeable coefficient of solidified soil firstly increased then declined with increasing the fiber content.
结果表明,当固化剂量一定时(1∶8),随着纤维掺量的增加,固化土不透水性系数先增加后下降,在纤维掺量为0。
3) permeability coefficient
透水系数
1.
The permeability coefficient was measured under invariable hydraulic pressure with a self-desi.
通过对试件的孔隙率、透水系数、抗压强度、抗折强度等的测定可知,在研究条件下,综合考虑强度和透水系数的要求,一定目标孔隙率下可确定一个最佳水灰比,从而获得最终配合比。
2.
5 cement,5～13mm stone,sand,SR-3 can meet the demand of plants growth in strength,pH value,porosity and permeability coefficient and has very good application value.
5水泥、51～3mm碎石、江砂、SR-3外加剂等原材料配制的植生型多孔混凝土,在强度、pH值、孔隙率以及透水系数等方面均可满足植物生长的要求,可以进行应用和推广。
3.
But,for the permeability coefficient there is very little influence.
试验研究了不同掺量的聚凝物对混凝土的强度及透水性的影响,重点阐述了掺入不同含量的聚凝物可以显著地提高混凝土的抗压和抗折强度,改善混凝土的透水性;但它对混凝土的透水系数影响不大,提出了聚凝物混凝土中掺入量在15%~18%之间是最适宜的观点。
4) permeation coefficient
透水系数
1.
The paper introduces the orthogonal way in designing ecological water-permeable concrete paving brick; analyzes the effect of the particle size of aggregate, the mass ratio of aggregate to cement and other factors on the compressive strength, the permeation coefficient, etc.
介绍了使用正交法设计生态混凝土透水砖,以透水砖的抗压强度、透水系数为指标,分析研究了骨料粒径、水灰比、骨灰比等因素及其对透水砖各性能指标的影响。
2.
Effects of some factors such as gradation and particle size of aggregate,mass ratio of aggregate to cement,mass ratio of water to cement,admixtures and mixing process on the properties of porous pervious concrete(PPC) including porosity,permeation coefficient and compressive strength were studied.
研究了若干因素如骨料级配与粒径、骨灰比、水灰比、外加剂及搅拌工艺等对多孔透水混凝土的空隙率、透水系数与抗压强度等性能的影响。
6) permeability
[英][,pə:miə'biliti] [美][,pɝmɪə'bɪlətɪ]
透水系数
1.
A series of laboratory tests on engineering properties, such as unconfined compressive strength and permeability, were undertaken to evaluate the effectiveness and performances of cement additive as soil stabilizing agent.
研究上,主要由现地取得之土壤和适当水泥及皂土材料进行一系列配比试验,以探讨添加材料对改良土之单轴压缩强度qu值及三轴透水系数k值的影响。
2.
The relation between the percentage of voids and hydraulic permeability of permeable asphalt mixture is obtained through analyzing and calculating the experimental results of the percentage of voids and hydraulic permeability of the permeable asphalt mixtures with various maximum particle sizes.
通过对不同最大粒径的透水性沥青混合料空隙率透水性试验结果的分析计算,得到了其透水系数与各空隙率的相关关系。
3.
A series of laboratory tests on en- gineering properties,such as unconfined compressive strength and permeability,were undertaken to evaluate the effec- tiveness and performances of cement additive as soil stabilizing agent.
研究上,主要由现地取得之土壤和适当水泥及皂土材料进行一系列配比试验,以探讨添加材料对改良土之单轴压缩强度 q_u 值及三轴透水系数 k 值的影响。
补充资料：透湿不透水性
分子式：
CAS号：
性质：具有一定程度的透湿与透气能力而基本上保持不透水或防水的性能。在研究人造革制品时希望有这种性能，以能与天然动物革相媲美。
CAS号：
性质：具有一定程度的透湿与透气能力而基本上保持不透水或防水的性能。在研究人造革制品时希望有这种性能，以能与天然动物革相媲美。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条