| 1. | Analysis of hydration heat and crack - resistance of high micro - slag in mass concrete
微矿粉在大体积混凝土中水化热及抗裂分析 |
| 2. | Experimental study on low hydration heat high strength and high performance concrete and its application
低水化热高强高性能混凝土试验与应用 |
| 3. | The analysis on the models of cement hydration indicated that the compound exponent model is the appropriate one compared with other models of cement hydration heat
对混凝土水化热的计算模型分析表明,复合指数式较为合理。 |
| 4. | At first the finite element theory for temperature analysis is introduced , and then mainly discussed the calculation models of cement hydration heat and the boundary condition under sun radiation
首先对这一方法的基本原理进行了简要的介绍,着重探讨了计算中的水化热计算模型、日照边界条件处理等。 |
| 5. | By means of analyzing the measured data of deformation and temperature inside the structure , the laws of deformation and temperature of the sfrc structure under the influences of early hydration heat and outside temperature were found
通过实测结构内部温度及其变形，给出了钢纤维混凝土在早期水化热及外界温度影响下的温度及变形规律。 |
| 6. | The experimental results show that these models can express precisely the isotherm hydration heat emission curve of portland cement and the autogenous shrinkage process of concrete prepared with portland cement
实测数据检验结果表明，这2个模型可以用于模拟硅酸盐水泥的等温水化放热曲线，以及用硅酸盐水泥配制的混凝土的自收缩发展过程。 |
| 7. | At the same time , the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface , adjusting the admixing ratio of fly - ash in the concrete , and lowering the temperature rise of the hydration heat
同时通过提高开挖表面质量，以及调整粉煤灰掺量以降低水化热温升等措施，有效地解决了混凝土裂缝问题。 |
| 8. | Utilization is of importance for hydraulic concrete . utilization of the industrial scrap such as fly ash for concrete not only saves cement and invest , but also produces and improvement of concrete performance , including the cracking of mass concrete due to hydration heat
利用粉煤灰等工业废料生产混凝土不仅可节约大量水泥，减少投资，而且可以改善混凝土的某些性能，包括在大体积混凝土中防止水化热引起的结构开裂。 |
| 9. | Construction of a mass concrete is in the construction process , because of cement let out in large quantity hydration heat and surface of a mass concrete let out heat , make its temperature , humidity cause to ascend and descend , and it causable constringency transform will be unavoidable
大体积混凝土结构在施工过程中，由于混凝土中水泥熟化时放出大量的水化热及其随后的表面散热，使其温度、湿度出现升降变化，并由此而引起的收缩变形将是无法避免的。 |
| 10. | 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
摘要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。 |
