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- The author introduces the construction of pouring concrete into steel rectangle column of a large scale steel structure project in Wuhan, and disposal measures of pouring defects, and discusses the effect of heat of hydration of concrete. 介绍了武汉某大型钢结构工程中矩形钢柱浇注混凝土的施工和对浇灌混凝土出现的浇空段的处理措施,并对混凝土水化热的影响进行了探讨。
- heat of hydration of concrete 混凝土水化热
- Heats of hydration of divalenttransition metal cations. 二价过渡元素离子水化热等。
- Heats of hydration of divalent transition metal cations. 二价过渡元素离子水化热等.
- Some properties of concrete, such as compressive strength, workability, heat of hydration were studied in this thesis. 本文首先对混凝土的强度、和易性、水化热等性质进行了探讨。
- Great temperature difference and thermal stresses are caused by heat of hydration of cement to lead to creaks during mass concrete construction processing. 在大体积混凝土工程施工中,由水泥水化热引起混凝土浇筑体内外温差和温度应力的剧烈变化,产生裂缝。
- BW LANGAN, K WENG, MA WARD. Effect of silicafume and fly ash on heat of hydration of Portland cement[ J ]. Cement and Concrete Research, 2002 (32) : 104521051. 王冲.;特超强高性能混凝土的制备及其结构与性能研究[D]
- W LANGAN, K WENG, M A WARD. Effect of silicafume and fly ash on heat of hydration of Portland cement[ J ]. Cement and Concrete Research, 2002 (32) : 104521051. 王冲.;特超强高性能混凝土的制备及其结构与性能研究[D]
- Besides strength and workability, many other properties of concrete, such as heat of hydration, have become more and more important in Concrete Mixture Proportioning. 强度、和易性这两个指标之外的混凝土的其它性质(如水化热等)日益得到重视。
- Testing method for heat of hydration of cement 水泥的水合热的测试方法
- Effect of Admixtures on Heat of Hydration of Fresh Cement 外加剂对水泥净浆水化热的影响
- Research on method of reading in temperature field of hydration heat of concrete based on ANSYS software 基于ANSYS的混凝土水化热温度场读取方法
- Test method for heat of hydration of cement(adiabatic method) 水泥水化热试验方法(直接法)
- Standard Test Method for Heat of Hydration of Hydraulic Cement 水硬性水泥水化热的试验方法
- testing method for heat of hydration of portland cement 普通水泥水化热试验方法
- And this paper deals with heat of hydration and shrinkage in big mass concrete because of utilizing pozzolanic effect and micro-crystal grain effect of superfine slag powder and flyash. 利用矿渣微粉和粉煤灰的微集料效应和火山灰效应,解决了大体积混凝土的水化热和收缩问题,并取得了较好的经济和社会效益。
- heat of hydration of cement 水泥水化热
- The early strength agent of Na 2SO 4 can increase the heat of hydration and temperature raise, meanwhile it advances the advent of the thermal spike. Na2 SO4 早强剂会提高水化热和温升 ,且使热峰出现时间提前。
- The principles and features of type C80 micro calorimeter and its application in measuring heat of hydration are presented. 介绍了C80微量热仪的工作原理及特点，以及在水泥水化热测量方面的应用。
- The more the polycarboxylate superplasticizer is, the longer the setting time, the shorter the chemical shrinkage, the more reducing and deferring the second heat of hydration is. 随掺量的增加缓凝时间增长、化学收缩减小，第一放热温峰增强，第二放热温峰延迟和消弱；
