第九期_2012_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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第九期

干法环保人工砂技术

王有负

２０12年第9期

摘要

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摘要：介绍了一种干法环保人工砂生产技术，该技术采用精品骨料生产加工系统，将低质量的石子加工为优质商品混凝土制备用原材料，不仅实现了原材料的可持续发展，而且经济环保。 Abstract: A kind of dry environmental protection artificial sand technology is introduced. The fine aggregate production and processing system is the key of the technology. And using the system, low quality stones are made into high quality raw materials of ready-mixed concrete, which not only can realize the sustainable development of the raw materials, but also is economic and environmental protective.

煤矸石及其在建筑材料中的应用研究

刘宁，刘开平，荣丽娟，赵静

２０12年第9期

摘要

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摘要：通过描述煤矸石物化性质以及在墙体材料、水泥净浆、水泥砂浆、水泥混凝土以及筑路和填充材料中的应用，说明了煤矸石的一些性质可以改善建筑材料的多种性能，并对在应用过程中需要注意的煤矸石种类、粒径、用量、级配等问题进行了描述。 Abstract: Through describing the coal gangue physical and chemical properties as well as its application in wall materials, cement paste, cement mortar, cement concrete and filling materials with good effects, it’s proved that some properties of the coal gangue could improve a number of performances of the building materials. Besides, in order to promote the development of the coal gangue, some attention problems such as the type, particle size, dosage, gradation of the coal gangue are described during the application process.

纤维水泥板和硅酸钙板企业生产线环保排放探讨

王平，冯明

２０12年第9期

摘要

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摘要：根据纤维水泥板和硅酸钙板生产线排放废水特点，对纤维水泥板和硅酸钙板生产企业废水排放的综合处理方案进行了探讨，提出了废水处理的方案，该方案可合理利用废水，达到国家排放标准。 Abstract: According to the wastewater emission characteristics of the fiber cement plates and silicate calcium plates production lines, the complex measure schemes of the wastewater emission in the fiber cement plates and silicate calcium plates factories are discussed. The measure schemes of the wastewater emission is proposed, which can reasonably use the wastewater, and make it achieve the national emission standard.

某高层商办楼基础底板温控监测及施工技术

厉见芬，李书进，周泽来

２０12年第9期

摘要

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摘要: 结合某高层商办楼基础底板混凝土的施工，针对水化热过高易导致混凝土开裂的问题，从原材料配合比、保温层验算、全过程温度控制、施工措施等方面阐述了厚大混凝土基础底板的施工技术。利用混凝土浇筑后的现场温度测量结果，对大体积混凝土实施了动态保温养护。 Abstract: Combined with construction of a high-rise office building concrete foundation slab, in order to avoid the high hydration heat leading to concrete cracking, from the aspects such as raw material mix ratio, heat preservation layer calculation, temperature control and construction measures, the construction technology of mass concrete thick foundation slab is discussed. By the spot temperature measurement results, the dynamic temperature maintenance for mass concrete slab is carrying out.

C60钢纤维泵送混凝土双掺配合比设计及工程应用

黄勇

２０12年第9期

摘要

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摘要：结合甘肃地区首次应用高强钢纤维泵送混凝土的实际工程，介绍了用粉煤灰、矿粉双掺配制C60钢纤维泵送混凝土的技术关键，并通过优化配合比，解决了该混凝土粘度与可泵性的矛盾。 Abstract: Comparing with the practical engineering of high strength pumping steel fiber reinforced concrete applied in Gansu area at first time, the technical key points of preparing C60 pumping steel fiber reinforced concrete with fly ash and slag powder are introduced. Through optimizing the mix proportion, the contradiction between the viscosity and pumping ability of concrete is solved.

浅谈预拌混凝土裂缝的渗水及处理方法

焦建明1，袁玉新2

２０12年第9期

摘要

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摘要：通过实际工程案例，观察了混凝土结构易出现渗漏现象的部位，分析了这些部位发生渗漏的原因，提出了渗漏部位的处理方法，并指出了施工中应注意的问题。 Abstract: According to the practical engineering cases, the parts of concrete structures which happen the leakage easily are observed. The reasons for the leakage are analyzed. The treatment method for the leakage parts is proposed, and the attention problems during the construction are put forward.

陶粒泡沫混凝土配合比试验研究

鹿健良，孙晶晶

２０12年第9期

摘要

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摘要：研究了陶粒掺量、陶砂掺量、水泥用量对陶粒泡沫混凝土强度、表观密度的影响。通过三水平三因素正交设计方法确定了各组分的最佳掺量。研究结果表明，配制陶粒泡沫混凝土时，陶粒掺量、水泥用量都有其最佳值；陶砂的掺入降低了该种混凝土的强度以及比强；从综合成本和材料比强考虑，水泥用量不宜过多。 Abstract: The effects of ceramisite dosage, ceramic sand content and cement content on the strength and bulk density are studied. The optimum quantity of each composition is determined by three factors on three levels. The research results prove that when mixing ceramisite foamed concrete, both ceramisite dosage and cement content have their best quantity. The addition of ceramic sand reduces the strength and specific strength of concrete, and cement quantity is unfavorably overmuch from the points of both comprehensive costs and materials’ specific strength.

碱激发矿渣粉煤灰混凝土性能的研究及在排水管中的应用

刘远祥，朱群芳

２０12年第9期

摘要

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摘要：通过改变激发剂掺量，分析研究了碱矿渣粉煤灰混凝土的凝结时间、抗压强度、耐腐蚀等主要性能。在此基础上，使用悬辊法制管工艺生产了耐腐蚀混凝土排水管，并对其性能进行了检验。检验结果表明，所制备的混凝土排水管的各项性能都符合要求，且具有良好的耐腐蚀性能。 Abstract：Through changing the dosage of activator, the main performances of alkali slag fly ash concrete such as the setting time, compressive strength, corrosion resistance etc. are analyzed and studied. Meanwhile, based on the study, anti-corrosion concrete drainage pipes are made by using suspension roller production process of pipes, and the performances of the pipes are tested. The text results indicate that all performances of the concrete drainage pipes can meet the requirements of related standards, and its anti-corrosion performance is better.

攀钢高钛型高炉渣生产墙体材料可行性研究

陈德玉，谭克锋

２０12年第9期

摘要

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摘要：对攀钢高钛型高炉渣生产实心砖和混凝土空心砌块的可行性进行了研究。研究结果表明，石灰、煅烧石膏、粉煤灰混合掺入时对高钛型高炉渣的活性激发效果最好。微观分析也证明此时高钛型高炉渣积极地参与了反应。在此基础上获得了用于开发高钛型高炉渣实心砖和混凝土空心砌块所用胶结料的最优配合比，用该胶结料可以生产强度达MU10的实心砖和空心率为50%、强度达MU10以上的混凝土空心砌块。 Abstract: The availability of activating the activity of titanium bearing slag (TBS) and using it to produce new wall materials are studied. The test results show that the gypsum has good activating effect to TBS, but when burned gypsum and fly ash incorporated together, the activating effect is better than the former. The microstructure analysis confirms that in this case, the TBS actively takes part in chemical reaction. The optimum mix proportion of the binder is obtained. Using this binder, the bricks and concrete hollow blocks with strength of MU10 can be successfully produced.

混凝土复合保温砌块力学及热工性能分析研究

许国东1,2，杨晓虹1，汤苏平3

２０12年第9期

摘要

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摘要：结合国家对建筑节能和墙材应用的要求，介绍了混凝土复合保温砌块的特点，分析了混凝土复合保温砌块的主要性能指标；在调研和试验的基础上，分析了影响混凝土复合保温砌块力学和热工性能的主要因素，对混凝土复合保温砌块的性能改进提出了相关建议，为混凝土复合保温砌块的生产应用提供参考。 Abstract: With requirements of building energy efficiency and wall materials application, the characteristics of compound insulation concrete blocks are introduced, and the main performance indexes of the blocks are analyzed. Mechanical and thermal performances of the blocks are analyzed based on the investigation and experiment, and the ways to improve them are studied to provide references for production and application of the compound insulation concrete blocks.

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