结果表明，混凝土的引气量和强度是影响普通混凝土和粉煤灰混凝土抗冻性的决定因素，满足抗冻性要求的引气量取决于相应的混凝土强度等级。
The results indicated that air content and strength of the concrete had significant effects on the freezing and thawing durability of concrete with and without PFA.
粉煤灰对高贝利特水泥和混凝土的工作性、强度及水化热的影响。
Effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete.
粉煤灰加入量增加，泡沫混凝土砌块的干密度递增，抗折和抗压强度增大。
The dry density, bending strength and compressive strength of foam concrete block increased with the increasing of the amount of fly ash.
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.
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.
掺入粉煤灰将增大混凝土的粘聚性和可塑性，改善混凝土的和易性，减小混凝土的膨胀性。
Chesion and plasticity of steel slag concrete is increased, its fluidity is improved and expansibility is decreased owing to addition of fly ash.
大掺量粉煤灰混凝土的应用具有良好的经济效益和社会效益。
The applications of high blending fly ash concrete have good economic efficiency and social efficiency.
实验中应用的混凝土的强度等级分别为C20和C60，其中粉煤灰的掺量(胶凝材料的质量分数)分别为未掺、10%、20%、30%、40%。
In the test, the strength grade of concrete is C20 and C60, and the cementitious system contains 10%, 20%, 30% and 40% of fly ash in accord with weight.
近几年利用粉煤灰来配制混凝土，其社会效益、经济效益和技术效益已经得到公认。
Utilizing fly ash to produce the concrete in recent years, its social benefit, economic benefits and technological benefit have already been acknowledged generally.
泡沫混凝土系列产品以水泥、粉煤灰为原料，符合国家提倡绿色环保型建筑节能材料的标准和要求。
Foamed concrete series products with cement, coal ash as raw materials, in line with the state advocates green environmental protection building of energy-saving material standards and requirements.
其次，进行了陶粒粉煤灰混凝土、粘性土、风积砂、砂砾和石灰土等几种材料的台背回填离心模型试验。
Secondly, models with different backfill-material such as argil fly-ash concrete, soil, sand, grit and lime-stabilized soil were experimented.
试验表明，当粉煤灰加气混凝土在整体吸水时的吸水速度和吸水量明显大于粘土砖；
When the whole specimen is absorbing water, the absorbing speed and weight of the fly ash aerated concrete is much larger than common sintered clay brick.
针对粉煤灰道面混凝土的性能，在试验室和现场进行了系统的研究。
Through testing the properties of fly ash pavement concrete in the lab and field, we get ample data on flexural strength, abrasion resistance, penetrability resistance and frost resistance.
最终运用本模型对加载龄期和粗骨料、水泥砂浆比参数进行了分析，给出了粉煤灰混凝土徐变的规律。
Finally using the model loading age and coarse aggregate, cement ratio parameters were analyzed, and the laws of fly ash concrete creep are present.
除水泥外，混凝土原材料粉煤灰、矿粉、石粉和粘土对聚羧酸系减水剂的应用性能也有明显影响。
In addition to cement, the concrete raw materials, including fly ash, mineral powder, silver stone and clay, remarkably affect the application performance of PCE.
目前，减水剂和粉煤灰复合掺加外加剂主要是应用于水泥混凝土，应用于水泥稳定碎石的具体研究极少。
At present, water reducing agent and fly ash compound mixing additives are mainly used in cement concrete, but their application in cement stabilized macadam is rare.
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.
粉煤灰的掺量和细度对混凝土的性能有一定的影响。
Volume and fineness of fly ash can affect concrete's performance.
适当运用“粉煤灰效应”可对混凝土的组分、结构和性能产生有益的作用。
Proper application of "fly ash effects" may yield favour-able influence on the constituent, structure and performance of the concrete.
得出结论：粉煤灰和膨胀剂是影响混凝土表观质量的主要因素，通过调整配合比可以从根本上改善混凝土的表观质量。
It is concluded that fly ash and expansion agent are the main factors influencing the surface quality of concrete and the surface quality can be improved essentially by adjusting the mix ratio.
粉煤灰可用于水泥混凝土的制备，可节约水泥和砂。
Fly ash can be used to make cement concrete. It can save cement and sand.
应用线性极化法、交流阻抗法和时间电位法等电化学方法对普通混凝土和掺粉煤灰混凝土中钢筋耐海水侵蚀性能进行了研究。
Based on the method of linear polarization, AC impedance and time potential, it is studied that the properties of seawater corrosion resistance of rebar in normal concrete and fly ash concrete.
试验结果表明，在混凝土中掺加活性矿物质掺合料如粉煤灰等能显著提高混凝土强度和耐腐蚀性能。
The results show that the addition of the active mineral mixture as coal powder can remarkably improve the concrete strength and durability.
复掺锂渣和粉煤灰时，碱矿渣混凝土的长期抗压强度的增长效果要比单掺锂渣、粉煤灰的效果好。
The effect of mix llithium slag and fly ash improve the long-term compression strength is better than mix llithium slag alone.
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.
吸水方向垂直于加气混凝土膨胀方向时，粉煤灰加气混凝土的吸水速度和吸水量小于粘土砖。
When the direction of absorbing water is upright to expanded direction, the absorbing water speed and weight of the fly ash aerated concrete is less than common sintered clay brick.
本文在圆环法试验的基础上通过平板法试验，研究分析不同水胶比和不同粉煤灰掺量对高强与高性能混凝土开裂性的影响。
This paper is aimed at introducing the flat tests on high strength and performance concrete to assess its crack-resistant property.
本文以C 30为例，分析了粉煤灰双掺混凝土和普通混凝土耐久性指数，论证了粉煤灰双掺混凝土工程应用的可行性。
Taking C30 concrete for example, analysis the durability index of common concrete and co-dope concrete, and proved the engineering application feasibility of fly ash for co-dope concrete.
结果表明，用粉煤灰陶粒所配制的轻集料混凝土强度较高，干表现密度和热性能均能满足设计要求，而且更经济。
Study results show that sintered fly ash aggregate concrete is relatively high in strength and more economical in use, and its dry density and thermal properties can meet design requirements.
应用推荐