1. USES material not qualified. Such as sand, stone, aggregate quality unqualified; In addition, mostly because cement volume expansion rate is too large (stability serious adverse).
2. Recycled aggregate of old cement concrete is a new material and it is necessary to study the road performance.
旧水泥混凝土再生骨料是一种新材料，必须对其路用性能进行研究。
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3. HeLuanShi system in engineering field, pressure-blasting machine is mechanism sand, cushion material, asphalt concrete and cement concrete aggregate ideal production equipment.
在工程领域，河卵石制砂机是机制砂、垫层料、沥青混凝土和水泥混凝土骨料的理想生产设备。
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4. The skeleton texture formed by coarse aggregate affects the performance of cement stabilized stone with skeleton dense texture greatly.
粗集料形成的骨架结构对骨架密实结构水泥稳定碎石路用性能有较大影响。
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5. 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。
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6. This thesis summarized the research history and achievements on the dynamic property of concrete and its component materials: cement mortar, aggregate and the interface between them.
7. Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.
8. Selection of materials include characteristics of cement, particle size, intrinsic strength, shape and texture of aggregate, chemical admixtures and mineral admixtures, etc.
材料的选择包括水泥的品质、集料粒径、集料强度、颗粒形状和质地、化学外加剂、矿物掺合料等。
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9. To ensure the quality of the deck, the quality of sand gravel aggregate, cement, additives, leveling of slope face and erection of lateral forms, and the collapse degree were controlled strictly.
10. Different mixture ratios of desulphurized ash, cement, aggregate, gypsum and lime were tested according to the orthogonal testing method.
采用正交试验方法，设计了脱硫灰、水泥、集料、石膏、石灰的不同配比。
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11. The thermal insulating masonry mortar is made of fly ash, ordinary Portland cement and light aggregate as main raw materials, added with every admixture.
保温砌筑砂浆是以粉煤灰、普通硅酸盐水泥、轻骨料为主要材料，配以各种外加剂而制成。
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12. Besides cement dose, mud content and construction control, aggregate grade is one of the important factors which affect the shrinkage properties of cement stabilized material bases.
除了水泥剂量、含泥量和施工控制等因素外，集料级配是影响水泥稳定粒料基层收缩特性的重要因素。
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13. The interface of the cement paste and aggregate is the weak tache of HPC.
水泥石本体与骨料的界面一直都是混凝土抗裂的薄弱环节。
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14. Light weight aggregate concrete (LWAC) is composed of light weight poriferous aggregate and cement paste.
轻集料混凝土(LWAC)由轻质多孔集料和水泥石胶结而成。
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15. The influences of alkali curing solutions and cementaggregate ratios on expansion of mortar bars were investigated.
研究了养护碱溶液性质和胶砂比与硅质集料砂浆试样膨胀的关系。
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16. Finally using the model loading age and coarse aggregate, cement ratio parameters were analyzed, and the laws of fly ash concrete creep are present.
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。
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17. The repair mortar is made by special craft with ordinary silicon cement as cementing material, with selected fine aggregate, admixture, additive as supplementary material.
是一种以普硅水泥为胶凝材料，辅以精选细骨料、外掺料、添加剂经特殊工艺配制而成的修补砂浆。
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18. In the light of inorganic heat preservation particles of light weight aggregate, add as by cement materials, crack additives and other such as filling of dry mortar.
以无机类的轻质保温颗粒作为轻骨料，加由胶凝材料、抗裂添加剂及其他填充料等组成的干粉砂浆。
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19. In order to better promote the application of PCE, this paper mainly studies the effect of raw materials, including cement, mineral addition and aggregate, on application performance of PCE.
20. Generally, flexibility is enhanced by relatively open-graded aggregate mixtures and high asphalt cement contents, factors which contribute to a lower mixture stability.
21. The surface feature of aggregate, which have been pretreated by chemical method, and the structure of interfacial zone between aggregate and cement paste are studied.
研究了用化学方法处理后的骨料表面与界面过渡区结构特征。
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22. The external walls are a judicious mix of stone aggregate plaster and polished cement offset with timber on the roofs.
与屋顶的木板条互相映衬，外墙则是石骨料灰泥和抹面水泥墙的合理搭配。
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23. The cement stabilized aggregate and the lime fly ash stabilized aggregate are two typical semi-rigid base course materials.
水泥稳定粒料和二灰(石灰、粉煤灰)稳定粒料是两种典型的和常用的半刚性基层材料。
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24. Compared with the commonly used antiskid cement stabilizing aggregate, cement stabilizing aggregate of dense framework type shows better road performance.
同规范推荐级配的水泥稳定碎石相比，骨架密实型水泥稳定碎石具有更优良的路用性能。
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25. Nonmetal aggregate floor hardener is made of nonmetal aggregate, special cement and other addictives of a certain grain degree. It can be used as soon as the bag used to pack the hardener is opened.
非金属骨料地面硬化剂由一定颗粒级配比的非金属骨料、特种水泥、其它辅料和外加剂组成，开袋即可使用。
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26. 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.
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。
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27. 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.
