混凝土绝热温升

粉煤灰混凝土绝热温升的试验研究

Experimental Analysis of Adiabatic Temperature Rise of Fly Ash Concrete

混凝土绝热温升和热传导方程的新理论

New Theory on Adiabatic Temperature Rise and Heat Conduction Equation of Concrete

混凝土绝热温升测试仪的研制及其应用

Equipment for adiabatic thermal change of concrete and its application

养护温度对混凝土绝热温升的影响分析

New theory of effecting of curing temperature to adiabatic temperature rise of concrete

混凝土绝热温升的影响因素

The Influential Factors of Adiabatic Temperature Rise of Concrete

混凝土绝热温升的实验测试与分析

Experiment and Analysis of Concrete Adiabatic Temperature Rise

水胶比和粉煤灰对混凝土绝热温升的影响

Influence of water-binder ratio and fly ash on the adiabatic temperature rise of concrete

缓凝混凝土绝热温升的公式拟合方法

A Method to Fit Test Data of Adiabatic Rise of Temperature of Set Retarding Concrete

混凝土绝热温升的新计算模型与反分析

A new computing model for the adiabatic temperature rise of concrete and the method of back analysis

考虑温度影响的混凝土绝热温升表达式

A method for computing the adiabatic temperature rise of concrete considering the effect of the temperature of concrete

并对三种常用混凝土绝热温升计算公式的修正规律及时间步长与精度的关系等问题进行了研究。

Also the correcting rules of three kinds of common adiabatic temperature rise of concrete were researched . 2 .

采用有限差分方法，建立了基于混凝土绝热温升试验的早龄期混凝土温度场计算模型。

A finite difference model for predicting temperature fields in early age concrete is presented based on adiabatic test on concrete .

在面板温度仿真计算方面，针对不同的入仓温度采用不同的混凝土绝热温升曲线。

In the calculation of temperature simulation , different temperature rising process curves of concrete are adopted according to the corresponding placing temperature .

并相应对水渣微粉掺料混凝土绝热温升估算、温差禁区能否突破、冷却水措施等关键技术进行了探讨。

The key technique including the cooling water , grain slag spike concrete temperature , close season breakthrough was discussed in the paper .

介绍了新兴计算机虚拟仪器技术在混凝土绝热温升检测中的应用，包括虚拟仪器各组成部分的设计原理及仪器主要部件的情况，以及采用虚拟仪器检测混凝土绝热温升的试验结果。

This paper introduce the application of computer virtual instrument technology in the adiabatic thermal test of concrete , including the design of each component of this instrument and the experiments on adiabatic thermal test of concrete .

从理论上讨论了影响混凝土绝热温升的主要因素，并通过实验分析了初始入模温度、掺加粉煤灰和减水剂等因素对混凝土绝热温升和温升速率的影响。

Main factors influencing concrete adiabatic temperature rise are discussed theoretically . The influences of initial casting temperature , superplasticizer and fly ash on the adiabatic temperature rise and the temperature rise rate of concrete were studied .

用化学反应速率描述温度对混凝土绝热温升的影响，求解基于等效时间的非线性热传导方程，对南水北调工程洺河渡槽施工期温度场和徐变应力场进行了仿真计算。

Hydration rate is adopted to describe the combined effect on adiabatic temperature rise . A new non-linear heat conduction equation based on equivalent time is applied to solve the temperature field and stress field of Ming River Aqueduct Project .

基于等效时间的混凝土绝热温升、热传导方程，考虑温度对早期混凝土水化热化学反应速率和徐变特性的影响，计算了大体积混凝土墙中心的温升。

The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time , and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early-age concrete .

用虚拟仪器技术检测混凝土的绝热温升

Test the Adiabatic Thermal Rising of Concrete with Virtual Instrument Technology

结论粉煤灰混凝土的绝热温升受水胶比和粉煤灰掺量共同影响，低水胶比条件下只有适当增加粉煤灰的掺量才能降低粉煤灰混凝土的绝热温升；

The adiabatic temperature rise of fly ash concrete is influenced by dosage of fly ash and water binder ratio .

目的研究不同粉煤灰的掺量和不同水胶比条件下粉煤灰混凝土的绝热温升和胶凝材料水化速率的发展规律。

The influences of dosage of fly ash on the adiabatic temperature rise and the hydration rate of concrete are investigated .

此外，粉煤灰和石灰石替代部分水泥还能减小混凝土的绝热温升、改善其流动性。

In addition , it was able to confirm an effect to reduction of adiabatic temperature rise and improvement of fluidity of concrete .

堆石混凝土的绝热温升性能是研究堆石混凝土大坝抗裂性能的重要指标。

The temperature rise property of thermal insulation of rock-fill concrete is an important index to study the crack resistance property of the rock-fill concrete dam .

高水胶比条件下，粉煤灰混凝土的绝热温升随粉煤灰掺量增加而下降。

The adding rate of fly ash in the binder could be higher in low water ratio concrete than that in high water ratio concrete for controlling concrete temperature rise .

实际工程应用结果表明：用该准则得到的最佳配合比，能有效地控制大体积混凝土的绝热温升，保证其高耐久性、优良的工作性与满足设计要求的强度。

The results of its application to actural project showed adiabatic temperature change of mass concrete could be efficiently controlled , excellent workability and compressive strength satisfied with design could be ensured .

采用施工现场混凝土立方体非绝热温升试验和反演分析相结合的方法，对聚苯乙烯泡沫塑料板外贴法的保温能力进行分析研究。

With an approach of combination of thermal rising test of cubic block in-situ and back analysis , the thermal retardation capability of polystyrene foam board is analyzed .

采用先进的仪器设备测定混凝土的水化热绝热温升，设计出合理的实验装置来测量混凝土绝热温升。

The apparatus are set up for measuring temperature rise of 11 types concrete specimen .

方法利用混凝土绝热温升仪测试混凝土绝热温升。

Adiabatic temperature rise is measured by concrete adiabatic temperature measuring device .

研究表明，对于夏季和冬季浇筑的混凝土，采用基于等效时间的混凝土绝热温升理论和传统理论的计算结果有较大差异。

The study shows there is big difference between the results computed by use of the heat conduction equation based on equivalent time and traditional heat conduction equation during winter and summer construction .

对影响混凝土温度应力的主要因素&混凝土绝热温升进行了试验研究。

Secondly , the early age adiabatic temperature development of concrete is investigated .