研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
适当细磨可以缩短含氟立窑水泥配制混凝土的凝结时间，但无法消除立窑水泥配制混凝土凝结时间偏长的缺点。
Finer grinding in a proper way will reduce the setting time of concrete made by shaft kiln cement containing F. However, it is impossible to...
在预拌混凝土的生产中混凝土的凝结时间是一项重要的技术指标 ，本文试图讨论用水量、水灰比、粉煤灰和外加剂等因素对混凝土凝结时间的影响。
A new concept called "liquid water-cement ratio" and its formula are advanced, which can be used to evaluate liquid water amount in the concrete mixed with antifreezer at negative temperature.
四十个房间一字排开，一部分房间非常潮湿，长满了石笋和钟乳石，它们是湿透的混凝土滴下的钙凝结成的。
Forty rooms file off it, some of them so damp that they are filled today with stalagmites and stalactites formed by calcium dripping from the sodden concrete.
混凝土﹑水泥砂浆﹑环氧树脂砂浆的凝结硬化时间长短对测试结果有比较显著的影响。
However, the setting and hardening time of the concrete, the mortar influences the test results obviously.
磷渣粉作为掺合料对混凝土性能产生一些不利的影响，一是早期强度低，二是凝结时间长。
As we all know, the use of phosphorous slag powder(PSP)as admixture can lead to some adverse effects in concrete performance, such as low early strength and prolonged setting times.
熨平板预热是保证摊铺机起步阶段沥青混凝土不降温凝结，从而保证施工质量的必要步骤。
The screed is preheated to guarantee that the bituminous concrete may not be caking due to lower temperature at the start stage of paver.
有些种类的混凝土凝结硬化快，有的较慢。
早龄期混凝土的水化、凝结过程对混凝土的后期强度、耐久性是非常重要的。
The process of hydration and solidification of young concrete have a significant influence on the long term strength and durability of concrete.
根据电阻率曲线和其微分曲线上的特征点将混凝土的水化分为：溶解期、凝结期、硬化前期和硬化的减速期。
The electrical resistivity curve was identified to divide the hydration process into four periods: dissolution, setting, initial hardening, and hardening deceleration.
论文分别研究了木钙、糖钙、酒石酸、焦磷酸钠和蔗糖共五种常用缓凝剂对水泥净浆凝结时间、混凝土凝结时间及强度的影响。
The effects of five common set-retarders on setting time of cement paste and concrete and strength of concrete are studied.
新拌水泥浆体中，水泥颗粒互相粘结形成包裹水的絮凝结构，严重影响了混凝土的工作性和强度。
Flocculated cement structure enclosing lots of water can be found in cement paste, which will influence fluidity and strength of concrete.
试验结果表明：一定颗粒分布的石灰石粉能改善新拌混凝土的流动性能，减少泌水率及缩短凝结时间。
It is shown that the limestone powder with appropriate particle distribution can improve the fluidity of concrete, reduce bleeding rate and shorten the setting time.
通过选用柠檬酸、白糖、葡萄糖酸钠为矿渣硅酸盐水泥的缓凝剂，测定了不同温度下水泥的凝结时间，分析了温度对混凝土缓凝剂最优掺量的影响规律。
The cement setting time at different temperatures has been measured through choosing citric acid, sugar and sodium gluconate as the retarders of iron Portland cement.
浮石混凝土在密实成型后，其凝结硬化过程中对于湿养护的敏感性较小，这有利于简化施工养护措施和减少早期混凝土缺陷的产生。
Pumice concrete after being close-grained and molding is not sensitive to maintaining conditions, and this idiosyncrasy can predigest maintaining measures and reduce lacuna.
综合利用超声波、冲击回波、探地雷达等手段研究了凝结硬化早期混凝土内部的结构特征。
Comprehensive utilization of non-destructive methods such as ultrasonic, impact echo and ground penetrating radar to study the characteristics of the internal structural of early hardened concrete.
综合利用超声波、冲击回波、探地雷达等手段研究了凝结硬化早期混凝土内部的结构特征。
Comprehensive utilization of non-destructive methods such as ultrasonic, impact echo and ground penetrating radar to study the characteristics of the internal structural of early hardened concrete.
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