以粉煤灰的火山灰效应、微集料效应分析为基础,分析研究了粉煤灰对混凝土塑性收缩、干缩、自缩和温度收缩裂缝的影响。
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.
研究了粉煤灰和磨细矿渣对高强轻骨料混凝土抗渗及抗冻性能的影响。
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.
采用快速氯离子渗透试验方法研究了粉煤灰掺量对蒸汽养护混凝土抗氯离子渗透性能的影响。
Authors adopted the rapid chloride permeability test method to research influences of fly-ash amount on anti-chloride-permeability performances of steam cured concrete.
本文采用该方法研究了水灰比、粉煤灰、硅灰等对混凝土孔隙率的影响。
Based on this, the influence of water to cement ratio, fly ash and silica fume on porosity of concrete are studied.
研究了粉煤灰对混凝土抗硫酸盐侵蚀性能的影响。
The paper aims to study the effect of fly ash on concrete to sulphate attack.
本文研究了采用超量取代法配制大掺量粉煤灰混凝土的工程应用技术。
In this paper, the engineering application research on using super-substitute technique to prepare concrete added with high-volume fly ash was reported.
研究了泡沫加入量、粉煤灰和石灰石膏对泡沫混凝土性能的影响。
The effects of the contents of foam, fly ash, lime and plaster on the properties of foam concrete block were investigated.
研究了以唐山市西窑热电厂劣质粉煤灰为原料生产加气混凝土的新工艺。
Research has been done on a new technology in producing aerated concrete with inferior pulverized-coal ash produced by Tangshan Xiyao Power Plant.
研究了单掺粉煤灰、磨细矿渣及它们复合后的复合掺合料对混凝土强度的影响。
In this paper, the effects of fly ash, ground slag and composite admixture of them on the strength of concrete were investigated.
研究了粉煤灰碾压混凝土的路用性能。
The road engineering properties of fly ash roller concrete are studied in this paper.
试验研究了掺粉煤灰的再生混凝土的基本性能。
In this paper, the properties of regenerated concrete with fly ash are discussed.
研究了高掺量粉煤灰混凝土的长期强度增长趋势。
The strength development in long time of concrete with high content of fly ash was investigated.
研究了再生骨料掺量、粉煤灰取代水泥量、粉煤灰超量系数和水灰比对粉煤灰再生混凝土抗压强度的影响。
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.
本文最后研究了聚丙烯纤维的体积含量对大掺量粉煤灰混凝土断裂参数的影响。
Finally, the paper investigates how the volume content of polypropylene fibers affects the fracture parameters of high-volume fly ash concrete.
本文研究了增钙粉煤灰的基本特性,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.
本文研究了粉煤灰、减水剂掺量与水灰比对粉煤灰道路混凝土抗压强度、脆性系数的影响。
The influences of flyash, water reducer and W/C on the strength and brittleness of flyash paving concrete were investigated.
本文研究了粉煤灰细度、颗粒形貌及掺量对水泥和混凝土强度及混凝土流变性能的影响。
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.
为了提高水工大体积混凝土中的粉煤灰掺量,研究了中热水泥-粉煤灰体系的贫钙问题。
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.
前言:研究了利用脱炭粉煤灰和高效早强减水剂的“双掺”技术,进行了公路混凝土路面的修复技术研究;
Using "double mixed" technology of decarburized fly ash and highly effect early strength water reducer, the renovation technologies of highway concrete pavement were studied.
利用磨细粉煤灰、磨细矿渣和硅灰作为矿物掺合料,研究了各种矿物掺合料对粉煤灰陶粒混凝土抗压强度的影响。
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.
研究了石屑用于普通混凝土的可行性及配合比设计方法。用石屑取代河砂50%,并通过粉煤灰、河砂、石屑和石子等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.
在实验室研究了普通水泥混凝土和掺粉煤灰水泥混凝土在自然条件下的碳化规律,历时10年。
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.
通过室内试验,研究了不同粉煤灰掺量、不同龄期对贫混凝土基层材料强度的影响规律,并与不掺粉煤灰贫混凝土的 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.
通过混凝土坍落度试验,从水泥、粉煤灰及塑化剂三方面研究了水泥及粉煤灰与塑化剂的适应性问题。
Compatibility of cement and pfa with plasticizer was studied through the slump test of concrete from the aspects of cement, pfa and plasticizer.
在调查分析海工混凝土工程实例的基础上,试验研究了硅酸盐水泥中掺入矿粉、粉煤灰、硅灰等混合材料对海工混凝土性能的影响。
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.
利用矿物掺合料的火山灰活性等特性,研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛碱的程度;
Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;
本文研究了再生粗骨料掺量、再生细骨料掺量、粉煤灰取代水泥量和水灰比对再生混凝土抗压强度和坍落度的影响。
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.
摘要研究了粉煤灰-煤矸石泡沫混凝土干表观密度对粉煤灰-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.
摘要研究了粉煤灰-煤矸石泡沫混凝土干表观密度对粉煤灰-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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