How to avoid or delay the corrosion of reinforced concrete Bridges? Adding anti-corrosion admixture to cement concrete mixture is the simple and economical method.
怎样才能避免或延缓公路桥梁水泥混凝土中钢筋的腐蚀破坏，在水泥混凝土拌和物中掺加阻锈剂是一种施工简单、经济而又有效的方法。
Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.
讨论了原材料的选择，包括水泥品种、集料性质、拌合及养护用水的水质情况、外加剂的种类和掺合料对混凝土耐腐蚀性能的影响。
At least 3 years sales working experience in the related industry, experience with concrete, concrete products, concrete admixture, cement or design institute and project supervisor is preferred.
至少3年相关行业销售经验，具备混凝土、混凝土制品、混凝土外加剂、水泥等行业或设计院、工程监理等工作经验者优先录用。
It is shown in the paper that addition of fine slag particles admixture in cement will significantly inhibit the corrosion of rebars in concrete.
用线性极化法和交流导纳法对微粒矿渣掺合料对混凝土中钢筋锈蚀的影响进行了研究。
Steel slag is not better to produce cement or mineral admixture of concrete because of poor grindability, larger fluctuation of chemical and mineral components, poor stability and so on.
由于钢渣成份波动大、易磨性差以及稳定性不好，钢渣用作水泥混合材或混凝土掺合料均难以达到高效、高值化利用的目的。
The results show that manganese slag powder could use as admixture of cement and concrete.
研究结果表明：锰矿渣粉可作水泥的混合材料和混凝土的掺合材料。
Among it is at concrete not modern, whose name is already with cement in fly ash, collect material, water, admixture and Kind is important, become a component part in concrete.
在现代混凝土中，粉煤灰已经与水泥、集料、水、外加剂同样重要，成为混凝土中的一个组分。
An additional precaution against dampness is to incorporate a waterproofing admixture, properly proportioned, to the cement, aggregates and water before the concrete is mixed.
此外，其防潮的另一种方法就是按一定的配合比在水泥、粗细骨料和水搅拌时加入防水剂。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
The effects of this admixture on early-age shrinkage properties of concrete and cement mortar strength were investigated in this paper.
对混凝土减缩防水密实剂对混凝土的早期收缩性能及对水泥胶砂强度的影响进行了试验研究。
Final results of experiment indicate that adding some synthetic fiber to HPC with the mineral admixture or cement mortar can decrease cracking 95% at least and enhance the durability of concrete.
试验结果表明，在掺活性掺合料高性能混凝土中掺加一定量合成纤维可以使混凝土或砂浆减裂95%以上，并可以提高混凝土耐久性。
The invention discloses cement admixture and a method for promoting concrete curing with carbon dioxide.
本发明公开了一种水泥掺合料及其用于促进二氧化碳养护混凝土的方法。
The invention discloses cement admixture and a method for promoting concrete curing with carbon dioxide.
本发明公开了一种水泥掺合料及其用于促进二氧化碳养护混凝土的方法。
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