Influence of experiment condition on air entrained concrete

Experimental Research on Air Entrained Concrete Used in Seepage Control Works of Canal

引气混凝土用于渠道防渗工程的试验研究

The results show that air entraining admixture and shrinkage-reducing admixture can decrease surface tension of water and Ca ( OH) 2 solution observably. Water-reducing admixture can reduce surface tension of water but has no notable effects on surface tension of saturation calcium hydroxide solution.

研究表明，引气剂、减缩剂可以大幅降低水及饱和Ca（OH）2溶液的表面张力，减水剂可以降低水的表面张力，但在饱和石灰水中表面活性碱弱。

Performances of permeability resistant, corrosion resistant as well as compressive strength of the concrete mixed with water reducing agent ( G), air entraining admixture ( Y) and micro aggregate ( H)( GYH concrete) were studied by experimental detecting.

通过实验检测了减水剂（G）、引气剂（Y）、微细集料（H）复合添加配制的混凝土的抗渗、抗蚀及部分强度性能。

The technical characteristic of a new air entraining admixture ( HPS) consisting of alcamines polyatomic copolymer as main composition and trace foam stabilizer as well as property comparison between same type of products at home and abroad are presented.

介绍了一种主要成分由醇胺类的多元共聚物及微量泡沫稳定剂组成的新型引气剂HPS的技术特性及与国内外同类产品的性能比较。

The reasons that air entraining admixture is not widely used in China are discussed in brief and the influence of air entraining admixture on every property of concrete is described.

简要论述了我国引气剂不被广泛应用的原因，阐述了引气剂对混凝土各项性能的影响。

Test on compound concrete of Three Gorges Project with high efficiency water reducing agent and air entraining admixture

三峡工程混凝土掺高效减水剂与引气剂复合试验研究

In order to solve this problem, different strength grades of concrete which are in common used in hydraulic engineering are prepared by use of local materials and air entraining admixture, and the cross experiment method is adopted.

为研究解决这一工程问题，采用正交试验设计方法，就当地混凝土材料和引气剂设计了几种水利水电工程中常用的不同强度等级混凝土。

The characteristics of air entraining cement bricks and the factors which affect the quality of the wall are described, and the methods and measures of quality control in the construction are also presented in the paper.

文章论述了加气混凝土砌块的特点以及对墙面质量的影响因素，介绍了在施工中做好质量控制的方法和措施。

In this paper, the performance and the construction technology of concentrated reinfored concrete beams and air entraining cement build compound floors are discussed in broad outline.

文章概述了钢筋砼密肋梁与加气砼砌体的复合楼板的性能及施工工艺。

Concentrated reinforced concrete beams and air entraining cement build compound floors

钢筋砼密肋梁与加气砼砌体复合楼板

The phenomenon and the mechanism of air entrainment were discussed.

对气泡产生的现象及原因进行了描述、分析。

Air Entrainment and Its Influence on Concrete Properties

引气作用及其对混凝土性能的影响

Effect of Permeability of Concrete and Air Entrainment on Durability of Concrete

混凝土渗透性及引气作用对耐久性的影响

Based on the diffusion theory of turbulence and similarity theory the similarity laws of air entrainment for model test of aerated flow are deduced.

根据紊动扩散理论和相似理论导出了掺气水流试验的9个模型相似律。

Estimation of scale effect of air entrainment in model test of aerated flow

掺气水流掺气浓度缩尺影响的估计

Discussing About Air Express and Logistics in China THE AIR MASSES OF CHINA

后WTO中国物流之路&浅谈新形势下的中国航空快递和物流业发展

Solution of Data Warehouse for China Air Express

民航快递数据仓库解决方案研究

Characteristic analysis of air express service and some suggestions for its further development in China

航空快递业特性分析及其在中国发展的设想

Analysis of the Market Range for the Domestic Air Express Service of China

中国航空快递产品市场面分析

Floating State Analysis of Air Float Structures

气浮结构的静浮态分析