• 粉煤灰火山灰效应集料效应分析为基础,分析研究了粉煤灰混凝土塑性收缩缩、自缩温度收缩裂缝影响

    Based on analyzing the eruption and tiny aggregate effect of fly ash, the influence of fly ash on the shrinkage fissure of concrete is studied, caused by the plastic deformation, dry or temperature.

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  • 研究粉煤灰磨细矿渣对高强骨料混凝土抗冻性能的影响

    Effects of fly ash and pulverized blast furnace slag on resistance of permeability and resistance of freezing of high strength lightweight aggregate concrete (HSLWAC) were investigated.

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  • 采用快速离子渗透试验方法研究粉煤灰蒸汽养护混凝土抗氯离子渗透性能影响

    Authors adopted the rapid chloride permeability test method to research influences of fly-ash amount on anti-chloride-permeability performances of steam cured concrete.

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  • 本文采用该方法研究粉煤灰混凝土孔隙率影响

    Based on this, the influence of water to cement ratio, fly ash and silica fume on porosity of concrete are studied.

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  • 研究粉煤灰混凝土硫酸盐侵蚀性能影响

    The paper aims to study the effect of fly ash on concrete to sulphate attack.

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  • 本文研究采用超量取代法配制粉煤灰混凝土工程应用技术

    In this paper, the engineering application research on using super-substitute technique to prepare concrete added with high-volume fly ash was reported.

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  • 研究泡沫加入量、粉煤灰石灰石膏泡沫混凝土性能影响。

    The effects of the contents of foam, fly ash, lime and plaster on the properties of foam concrete block were investigated.

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  • 研究唐山市西窑热电厂劣质粉煤灰为原料生产加气混凝土工艺

    Research has been done on a new technology in producing aerated concrete with inferior pulverized-coal ash produced by Tangshan Xiyao Power Plant.

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  • 研究粉煤灰细矿渣它们复合复合掺合料混凝土强度影响

    In this paper, the effects of fly ash, ground slag and composite admixture of them on the strength of concrete were investigated.

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  • 研究了粉煤灰碾压混凝土性能

    The road engineering properties of fly ash roller concrete are studied in this paper.

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  • 试验研究了粉煤灰再生混凝土的基本性能

    In this paper, the properties of regenerated concrete with fly ash are discussed.

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  • 研究高掺粉煤灰混凝土长期强度增长趋势

    The strength development in long time of concrete with high content of fly ash was investigated.

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  • 研究再生骨料粉煤灰取代水泥量、粉煤灰超量系数比对粉煤灰再生混凝土强度影响

    The effects of recycled aggregate quantity, PFA replacing cement quantity, PFA over-replacing quantity and water cement ratio on PFA regeneration concrete compression strength were studied.

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  • 本文最后研究了聚丙烯纤维体积含量大掺粉煤灰混凝土断裂参数影响

    Finally, the paper investigates how the volume content of polypropylene fibers affects the fracture parameters of high-volume fly ash concrete.

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  • 本文研究增钙粉煤灰基本特性,并利用它研制蒸压加气混凝土产品。

    This paper describes a study on main characteristics of adding-calcium fly ash.

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  • 本文研究粉煤灰水剂掺量水灰比对粉煤灰道路混凝土抗压强度脆性系数影响

    The influences of flyash, water reducer and W/C on the strength and brittleness of flyash paving concrete were investigated.

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  • 本文研究了粉煤灰细度颗粒形貌水泥混凝土强度混凝土流变性影响

    The effects of fineness, particle appearance and adding amounts on the strengths of cement and concrete as well as the concrete rheological behavior are studied in this paper.

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  • 为了提高水工体积混凝土中的粉煤灰研究水泥-粉煤灰体系问题

    Aimed at increasing the replacement amount of fly ash in hydraulic mass volume concrete, the poor calcium problem of moderate heat Portland cement-fly ash system was studied.

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  • 前言:研究利用粉煤灰高效水剂技术,进行了公路混凝土路面修复技术研究

    Using "double mixed" technology of decarburized fly ash and highly effect early strength water reducer, the renovation technologies of highway concrete pavement were studied.

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  • 利用磨粉煤灰、磨细矿渣作为矿物合料,研究了各种矿物掺合料对粉煤灰陶粒混凝土强度影响

    This paper studys the influence of the mineral admixtures such as ultra-fine fly ash, ultra-fine slag and silica fume on compressive strength of lytag concrete.

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  • 研究石屑用于普通混凝土可行性及配合比设计方法。石屑取代河砂50%,并通过粉煤灰、河砂、石屑石子混凝土各组成成分之间的相互填充来实现密级配。

    The feasibility of using attle in ordinary concrete is studied. 50% sand replaced with attle, a dense-grading system is obtained with fly ash, sand, attle and stone.

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  • 实验室研究普通水泥混凝土粉煤灰水泥混凝土自然条件下碳化规律,历时10

    An experimental study on the regularity of carbonation for cement concrete and con-crete admixed with fly ash in natural condition has been carried out in laboratory for 10years.

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  • 通过室内试验研究不同粉煤灰、不同龄期混凝土基层材料强度影响规律,并不掺粉煤灰混凝土的 强度特性进行了对比研究

    The strength character of lean concrete road base material influenced by age and the amount of fly-ash used in it was studied through test in the lab.

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  • 通过混凝土坍落度试验水泥粉煤灰化剂三方面研究了水泥及粉煤灰塑化剂适应性问题

    Compatibility of cement and pfa with plasticizer was studied through the slump test of concrete from the aspects of cement, pfa and plasticizer.

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  • 调查分析混凝土工程实例基础上,试验研究了硅酸盐水泥掺入矿粉粉煤灰灰等混合材料对海工混凝土性能影响

    On the basis of survey of many Marine concrete constructions, the effects of adding slag powder, fly ash, silica fume to Portland cement on the performances of Marine concrete were researched.

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  • 利用矿物掺合料火山灰活性等特性,研究粉煤灰矿渣粉沸石抑制混凝土泛碱程度;

    Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;

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  • 本文研究再生骨料、再生骨料掺量、粉煤灰取代水泥灰比对再生混凝土抗压强度落度的影响。

    The effect of recycled coarse aggregate quantity, recycled fine aggregate, PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump.

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  • 摘要研究粉煤灰-煤矸石泡沫混凝土表观密度粉煤灰-煤矸石泡沫混凝土吸水率、软化系数、抗压强度以及导热系数影响

    Abstract: The effect of the dry dengsity on th properties of the fly ash - coal gangue foam concrete were studied in this paper.

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  • 摘要研究粉煤灰-煤矸石泡沫混凝土表观密度粉煤灰-煤矸石泡沫混凝土吸水率、软化系数、抗压强度以及导热系数影响

    Abstract: The effect of the dry dengsity on th properties of the fly ash - coal gangue foam concrete were studied in this paper.

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