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。
Capabie reparation & reinforcement of cement concrete roadface with asphalt mixture cover according to experience of Swiss'31-line section of highway.
根据瑞士31条路段的经验，用沥青混合料罩面能够修复与补强水泥混凝土路面。
Replacing part of cement with fly ash in the mixture of concrete, we can reduce the concrete's cost, improve its physical mechanics properties and its durability.
粉煤灰掺入混凝土中取代部分水泥，不仅可以降低混凝土的成本，还可以改善混凝土的物理力学性能及耐久性。
Based on analysis for reasons of cement concrete pavement inchoate cracks, it is important to present relevant prevention methods in mixture design and construction stage.
在分析水泥混凝土路面早期裂缝产生原因的基础上，提出在混合料组成设计阶段和现场施工阶段应该采取的措施，对工程实践具有重要的意义。
Research conclusions:It is effective to improve interface structure between cement and aggregate and cavity structure in the concrete with the anticorrosive mixture.
研究结论：耐腐蚀辅料能够有效的改善混凝土内部孔隙结构特征和水泥与骨料的界面结构。
The text discusses mixture ratio design and construction technics of corollary equipment of slide spreading machine, and improve internal quality of cement concrete pavement and dynamic smoothness.
简要说明滑模摊铺机配套设备配合比设计，施工工艺及提高水泥混凝土路面的内在质量和动态平整度。
This Fly Ash is used as cement mortar, concrete mixture and concrete reducing water agent.
本文就其用于配制砌筑水泥，作混凝土掺和料和混凝土减水剂进行介绍。
According to the laboratory studies, C30 concrete was prepared dosed micro-powder mixture with 60% steel slag to substitute for 50% cement and the concrete was used in industrial application test.
本文在实验室研究的基础上，采用钢渣掺量为60%的复合微粉替代50%的水泥，配制C30混凝土，进行了工业应用试验。
For pumping concrete mixture the problem of reducing the cement content and keeping better workability was also solved by using optimum proportioning.
优选配合比解决了泵送混凝土与减少水泥用量和低坍落度的矛盾。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
根据再生骨料的特点，对基于自由水灰比再生混凝土的配合比设计进行研究。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
根据再生骨料的特点，对基于自由水灰比再生混凝土的配合比设计进行研究。
应用推荐