混凝土化学外加剂在混凝土施工中已得到越来越广泛的应用,已被称为混凝土的第五组分。
Concrete chemical additive has been increasingly and widely used in the construction with concrete. As a resuly, it has been regarded as the fifth constituent of concrete.
接下来的化学反应非常复杂,会持续很多年,混凝土只会变得越来越硬。
The chemical reaction that follows is very complex and continues for many years, and the concrete just keeps getting harder.
混凝土中钢筋的腐蚀是一个电化学过程。
The corrosion of reinforcing steel in concrete is an electrochemical process.
有机化学和矿物化学的结合,以及无定形材料化学和胶体材料化学的结合,是这一世纪混凝土成功的秘诀。
The combination of organic chemistry and mineral chemistry, as well as the combination of non - fixed form material and colloid material chemistry are the secret formula in this century.
用碱激发矿渣制备的碱矿渣混凝土是利用化学激发方法充分激发矿渣的活性。
The preparation of alkali activated slag concrete stimulates the active of slag fully by chemical activated ways.
本文重点论述了混凝土中钢筋的化学腐蚀机理、腐蚀条件、腐蚀危害及防腐措施。
This paper mainly discusses the mechanics, conditions and harmfulness of chemical corrosion in concrete and puts forward some anticorrosive measures.
以混凝土外加剂分子设计原理为指导,以绿色化学为基础,研究了新型接枝聚合物保坍剂的绿色合成工艺。
Based on green chemistry and molecular design theory of concrete admixture, the cleaner synthesis of novel grafted polymeric concrete slump retaining agent has been studied.
目前,在处理混凝土裂缝漏水中普遍采用化学灌浆,无论是工艺还是灌浆材料都较成熟。
Nowadays the chemical grouting is widely used in the treatment of concrete crack leakage, in which both technique and grouting material developed quite completely.
本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。
Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.
利用灰色系统来预测混凝土在化学损伤长期作用下的抗压强度。
Gray system is used to predict the compressive strength of concrete under the long-term chemical damage and to optimize the system.
提出了在混凝土结构上化学植筋,再通过塞焊和灌浆安装钢梁节点板的新方法。
This paper puts up a new method for installing steel beam joints on concrete structures by chemically-planted steel bars.
最后,利用电化学方法研究了在不同腐蚀环境下混凝土保护涂层对钢筋锈蚀行为的影响。
Lastly, the influence induced by concrete protective coating on reinforcement corrosion is discussed using electrochemical method.
研究了用冶炼高炉重矿渣制造的建筑用砂的化学成分、物理性能以及在混凝土中的应用情况。
Study has been carried out on the chemical constitution and physical properties of the building sand made from the heavy slag from the blast furnace and its application to concrete.
用电化学阻抗谱研究了丙烯酸系乳胶作为混凝土添加剂或钢筋表面涂层时对钢筋腐蚀行为的影响。
Acrylic emulsion was introduced into steel reinforcing concrete as concrete admixtures or rebar coatings in order to prevent steel reinforcements from corrosion.
根据X射线和化学分析结果,全面分析了混凝土中钢筋锈蚀的机理。
According to X ray and chemical analysis, the mechanism of reinforcement rust in concrete is analysed.
当隧道工程施工遇到含黄铁矿的地层时,黄铁矿氧化形成的酸性环境以及其引发的一系列化学反应会对隧道混凝土衬砌的耐久性带来不利的影响。
When there is pyrite-bearing strata in tunnel construction, oxidization of pyrite will result in formation of acidic environment and bring adverse effect on durability of concrete lining.
本文介绍利用对比实验方法,研究具有不同形式裂缝的混凝土构件在化学灌浆后的力学性能改善情况。
In this article, authors present the test results, using the contrast experiment method, that chemistry grouting improved the mechanics capability of the concrete member with different form crack.
化学植筋技术是一种基于混凝土结构的新型后锚固技术。
Chemically planted bar in concrete structure is a new style post-embedding technique.
对混凝土中钢筋锈蚀的电化学过程从理论上进行了定量分析和描述。
It also makes a theoretical and quantitative analysis of electrochemical process of corrosion in reinforcement of concrete.
电学和电化学技术在混凝土耐久性中的应用越来越受到重视。
Fortunately, the applications of electrical and electrochemical techniques to concrete durability becomes more and more attractive.
该方法本质上测量的是混凝土电导率,其值的大小取决于混凝土的孔隙结构和孔溶液的化学成分。
What is actually measured in the method is the concrete conductivity, which depends on both the pore structure and pore fluid chemicals of concrete.
对钢筋在陶粒混凝土中的锈蚀及其机理进行了电化学研究。
The corrosion of rebar in pottery grain concrete was studied by electrochemical methods.
提出了考虑温度和化学反应物浓度影响的混凝土水泥水化反应放热模型。
A new formula was proposed to simulate the hydration heat of cement in concrete. The model takes the influence of temperature and concentration of reactant into account.
分析了某水池工程混凝土结构裂缝产生的原因,通过采用化学灌浆的方法修补裂缝,最终取得良好的效果。
Based upon analysis of the reasons caused the cracks in reinforced concrete pool chemical grouting measure is proposed to mend those cracks and good effects are acquired.
本文主要从化学和电化学的角度,讨论了混凝土中钢筋腐蚀机理。并介绍一些国外在桥面钢筋防腐方面研究的情况。
This paper discusses the reinforced etched mechanism from the Angle of chemistry and electrochemistry, and introduces some external study condition of reinforced etched respect in bridge floor.
应用电化学阻抗谱和氯离子探针技术,研究在氯化物侵蚀作用下混凝土中钢筋的腐蚀行为。
Electrochemical impedance spectroscopy and chloride sensor were employed to study the corrosion behavior of reinforcing steel in concrete.
其中一个应用对象,他说,或许可以是废水处理厂。因为处理厂用混凝土筑砌的泻湖中充满废水,化学环境十分严酷。
One application, he says, might be wastewater treatment plants, where harsh chemicals are used in concrete-lined lagoons full of waste.
各种化学外加剂和矿物掺合料在混凝土中的广泛应用,使现代混凝土组成与性能之间的关系日益复杂。
Because of the wide application of chemical additives and mineral admixtures in concrete the relations between the composition and the performance of modem concrete are complicated increasingly.
各种化学外加剂和矿物掺合料在混凝土中的广泛应用,使现代混凝土组成与性能之间的关系日益复杂。
Because of the wide application of chemical additives and mineral admixtures in concrete the relations between the composition and the performance of modem concrete are complicated increasingly.
应用推荐