试验参数为施工期温度、防冻剂掺量和养护条件三种。
Test parameters are construction temperature, amount of anti-freezing admixture and curing condition.
因此,HPC外加剂的选择应该考虑到养护条件的差异。
Therefore, the difference in curing conditions should be considered when selecting HPC admixtures.
时间t时的抗压强度与水泥种类,温度以及养护条件有关。
The compressive strength of concrete at an age t depends on the type of cement, temperature and curing conditions.
在极度干燥和炎热条件下,应创造必要的养护条件,防止涂层失水过快。
In extremely dry and hot conditions, should create the necessary maintenance condition, prevent coating dehydrate too fast.
早期养护条件不同,混凝土失水量不同,则混凝土中后期强度也不相同。
Various curing condition and different amount of water evaporated in early-age curing would lead to different strength of concrete.
在动态养护条件下对油井水泥与钢管的胶结界面处微观结构进行了研究。
A study on the microstructure at the cementation interface between cement and casing is conducted in the dynamic aging condition.
这种裂缝的产生主要与混凝土配合比、养护条件及混凝土所处约束条件有关。
This kind of cracking is mainly influenced by mixture proportions, curing conditions and restrained conditions of concrete.
蒸汽养护条件并没有对各种水化产物,但其量,并改善矿物掺合料的火山灰活性。
The steam curing condition has no effect on the variety of the hydration products but on their amount and improves pozzolanic activity of mineral admixtures.
养护条件,粗骨料最大粒径和硅灰对混凝土的强度,断裂性能和材料脆性都有一定影响。
The curing condition, the maximum size of coarse aggregate and silica fume have certain effects on the strength, fracture properties and brittleness of concrete.
在本文进行的两种不同养护条件下,湿养护混凝土试验的抗压强度显著高于干燥养护时的抗压强度。
Secondly, different curing environment also do a more obvious effect on compressive strength of concrete with fly ash.
研究了羟乙基甲基纤维素和乙烯基共聚物两种聚合物干粉改性砂浆在不同养护条件下的粘结抗拉强度。
The adhesion strength of hydroxyethyl methyl cellulose modified mortar and ethylene copolymer modified mortar were studied at different curing condition.
试验结果表明:蒸汽养护条件提高了水泥-粉煤灰复合胶凝材料的早期水化速度,并且提高了硬化浆体抗压强度。
The experimental results indicate that steam curing condition increases early hydration velocity of cement-fly ash composite binders and improves compressive strength of hardened pastes.
采用显微硬度仪和扫描电镜,对比研究了干燥大温差气候条件和标准养护条件下混凝土界面过渡区的结构和形态。
The interfacial transition zone (ITZ) of concrete cured in standard condition and in the dry and wide temperature change environment was studied comparatively.
试验结果表明,混凝土强度、钢管表面状况和混凝土养护条件对粘结强度有显著影响,而界面长度对粘结强度无影响。
The test results show that the bond strength is of concrete, but not affected by the length of the steel tube-concrete core interface.
探讨了养护条件、混凝土工作性能、砂率以及砂的细度模数等因素对混凝土早期开裂的影响,并提出了减少、避免开裂的相应措施。
The factors which affect early age cracking were studied such as curing methods, workability, sand ratio and modulus of sand. Corresponding solutions were put forward.
同条件养护试块应放置在适当地方。
Those for equal condition maintenance shall be placed at suitable locations.
本文讨论了混凝土结构实体强度的意义,以及同条件养护强度的作用。
The significance of solid strength of concrete structure and the function of the concrete strength gotten under the same curing condition are discussed in this paper.
运用成熟度理论,对施工同条件养护下的掺粉煤灰的混凝土试件进行了试验。
The fly ash concrete specimens are tested with the same curing condition as construction by using maturity degree theory in the paper.
从技术、经济方面综合考虑,提出与当地实际的环境条件相适应的基层施工工艺及其养护措施。
Finally, the construction technical process and maintenance process on base course suiting the practical spot are presented that based on the evaluation of technology and economy.
文章对比了标准养护强度、钻芯强度以及各种推定强度与同条件养护强度的关系。
It contrasts the relation between the strength gotten under the standard curing condition, the strength gotten by drill, some putative strength and the strength gotten under the same curing condition.
同条件养护试块不仅作为拆模的依据,而且也是判断结构实体混凝土强度的重要依据。
The specimen cured in atmosphere condition is not only the basis for removing the mould, but also the important basis for judging the concrete strength of structured entities.
溶剂型常温沥青混合料是一种新开发研制的的新型路面材料,可用于常温条件下公路的铺筑及维修养护。
The solvent cold bituminous mixture is a new kind of pavement material, and can be used in highway paving and maintenance.
研究沥青混合料在特定的交通与环境条件下的疲劳特性对于沥青路面设计、施工和养护具有重要的指导意义和规范作用。
The study of asphalt mixes fatigue properties at certain traffic and environment conditions has great guiding significance to pavement design, construction and maintenance.
本文考虑冬季道路养护中的服务水平、车队规模等约束条件,建立了实习信息下除雪车辆优化调度的整数规划模型。
This paper established an integer programming model of the snow emergency vehicle scheduling which considered the realistic constraints such as the fleet size and the level of service.
本文考虑冬季道路养护中的服务水平、车队规模等约束条件,建立了实习信息下除雪车辆优化调度的整数规划模型。
This paper established an integer programming model of the snow emergency vehicle scheduling which considered the realistic constraints such as the fleet size and the level of service.
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