| 1. | Study on the creep stress of reinforced concrete frame structures affected by temperature and shrinkage
钢筋混凝土框架结构在温度及收缩作用下的徐变应力分析 |
| 2. | This software can deal with three - dimension sequence concrete placement , concrete creep stress calculation
此程序成功实现了混凝土三维跳仓浇筑，混凝土徐变应力计算等。 |
| 3. | The emulation analysis of unstable temperature and creep stress fields of the difference work conditions that cause cracks are carried out in using 3d and 2d nonlinear finite element method
对可能导致裂缝的几种工况，本文应用三维和二维非线性有限元分别对其进行不稳定温度场和徐变应力场的仿真分析。 |
| 4. | 4 . the recurrence formula of the creep strain is the key of fem calculation of creep stress . in this paper the exponential function is used to figure the creep strain , and the recurrence formula of 3d creep strain at any periond of time is derivated
徐变变形递推计算公式是温度徐变应力有限元计算实现的关键所在，本文用指数函数式表示徐变度，在此基础上，对三维空间问题徐变变形进行了研究，推导了任一时段徐变增量的递推计算公式。 |
| 5. | A 3 - d simulative calculation program concerning temperature field and creep stress field and its pre - processing and post - processing has been developed . by applying this program , temperature field and creep stress field of hydraulic culvert and sluice engineer concrete is simulated . 2
开发了非稳定温度场和应力仿真计算的三维有限元计算程序及有限单元法的前后处理程序，运用此程序对水工涵闸工程混凝土进行了温度场和应力场的计算分析，得出相关结论。 |
| 6. | Creep stress is a key part of temperature stress . in the course of computation of thermal - creep - stress , elastic modulus of concrete is related to the age of concrete ; creep of concrete not only is related to the age of concrete , but also loading duration and the relation is complex
徐变应力是温度应力的重要组成部分，在温度徐变应力计算过程中，混凝土的弹性模量与加载龄期有关，混凝土的徐变度不但与加载龄期有关，还与持荷时间有关，而且关系相当复杂。 |
| 7. | In this paper , basing on the data analysis and stimulating analysis of the concrete liner of the water diversion tunnel of the underground hydropower station in the right bank of the tgp , the distribution and influential factors of the thermal - creep stress of thick concrete liners with big diameters in the tgp are studied . the following several problems have been solved : 1
本文基于三峡工程右岸地下电站引水洞衬砌混凝土施工期监测资料和仿真计算分析，探讨了三峡工程中大洞径、厚衬砌混凝土在当前施工工艺下施工期温度应力的分布规律及影响因素，全文主要进行了以下几个方面的工作： 1 |
| 8. | The 3 - d simulative calculation program concerning temperature field and creep stress field applying pipe cooling is conducted by adopting more advanced simulation technique . thereby an effective method is suggested for computing the temperature field and stress field of mass concrete . that method can simulate precisely for rcc ( roller compacted concrete ) dam which constructed layered
采用了较为先进的仿真技术，编制了可以考虑水管冷却的混凝土结构温度场及徐变应力场三维仿真计算程序，实现了完整模拟碾压混凝土坝分层施工的实际过程的温度及应力的仿真计算。 |
| 9. | In this article , according to heat conduction theory , elastic creep theory and finite element theory , the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method , and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied , and according to the construction process of concrete arch dam , the effect of lamination placement , construction interval , elastic modulus change , thermal insulation change , surrounding temperature change , concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
论文根据热传导理论、弹性徐变理论及有限元理论，用三维有限元浮动网格法对拱坝施工期和运行期温度场、徐变应力场进行了全过程仿真分析，较为系统的研究了混凝土拱坝施工期和运行期温度场、徐变应力场的分布规律，在分析中按照混凝土拱坝施工过程，考虑了混凝土分层浇筑、施工间隙时间、弹模变化、绝热温升过程、环境温度的变化、混凝土徐变、自生体积变形等因素对坝体温度应力的影响。 |
| 10. | About thermal stress and temperature control of rcc dam in harsh climate region , this paper emphasizes mainly on the following aspects : 1 . research on space - time distribution rules of the temperature and thermal creep stress of rcc gravity dam in harsh climate region ; analyzing the reason of formation and influencing factors of the horizontal cracks at the dam upstream and downstream face
围绕严寒地区碾压混凝土坝的温度应力和温控防裂，本文主要进行了以下几方面研究： ( 1 )结合两座碾压混凝土坝工程实例，研究了严寒地区碾压混凝土重力坝温度及温度徐变应力时空分布规律，分析了大坝上下游面水平裂缝的成因、影响裂缝的主要因素。 |
