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concrete thermal stress 砼收缩温度应力
What kinds of thermal stress are there in the reactor? 在反应堆里有哪一种热应力?
This behavior will be helpful to decrease temperature gradient and to lessen surface thermal stress of concrete structure so as to prevent cracking of a structure. 上述特性将有助于减小混凝土内部温度梯度，对于防止水工混凝土结构表面裂缝起到良好的作用。
The results show that the hydration heat model of concrete is acceptable, and the thermal stress may make concrete wall crack at early age. 结果表明:引入Arrhenius公式的混凝土水化放热模型可以用于计算混凝土结构早龄期时的温度场;早龄期时温度应力可以引起混凝土长墙的开裂.
The thermal stress field is calculated using the elasticity modulus which is calculated by the average equivalent age in concrete structures. 3)考虑到温度的影响,提出基于平均等效龄期概念的混凝土弹性模量计算方法,并将其运用到混凝土结构温度应力场的有限元计算中;
Conduct material Fatigue Testing and Thermal stress test. 进行材料疲劳测试和热应力测试。
When the electrothermal layer of carbon fiber reinforced concrete (CFRC) is bonded with the ordinary concrete layer, thermal stress may bright out. 当碳纤维水泥基复合材料（CFRC）电热层与混凝土层固定在一起并且通电使之发热时，电热层的热膨胀受到限制将会产生热应力。
The thermal fracture toughness of the concrete and mortar in early ages was studied with cracked cylinder specimen loaded directly by thermal stress. 用直接加温度应力的含裂缝圆环试件，对混凝土、砂浆早期温度断裂韧性进行了实验研究。
Thermal stress analysis of overlong concrete slab-column structure is then studied in intrinsic and external temperature field causing by solar radiation. 最后，分析底部和顶部分缝的原理和做法，建立多种分缝形式，分析其对均匀温差和内外温差下超长板柱结构的温度应力削减，得出较为合理的结构分缝形式。
Thermal Stresses Due to Temperature Transients. 温度转变引起的热压力。
The problem of thermal stress and a need for temperature control in the mass concrete construction also occur in the roller compacted concrete dams(RCCD). 大体积混凝土的温度应力问题与温度控制要求在碾压混凝土坝中同样存在。
Study on Modeling of Rotor Thermal Stress with Varying Coefficients. 汽轮机转子热应力自适应模型研究。
The thermal stress can be mitigated effectively when P is 1 and n is 6. 随着梯度层数的增加，热工作热应力的最大值逐渐减小，但当梯度层数达到6时，随着梯度层数的增加，缓和效果并不明显；
concrete thermal contraction stress crack 混凝土温差收缩应力裂缝
These withstand heavy loads and thermal stresses well. 它们能很好地耐受重负荷和热应力。
In this paper, the pier-wall models respectively built with steel-fiber concrete and ordinary concrete were tested for revealing their early bebaviors of thermal strain and thermal stress caused by adiabatic heating. 为此进行了钢纤维混凝土和普通混凝土2个墩墙结构的模型试验，比较了二者的温度及温度变形的特性。
Both transient and steady-state thermal stress can be determined by this procedure. 瞬态和稳态的热应力均可用这种方法测定。
The reason of the concrete box aqueduct thermal stress is analysed.According to characteristic of box aqueduct thermal boundary, temperature distributing is given by solar radiation. 摘要阐述了箱形渡槽温度应力产生的原因，根据箱形渡槽的温度边界特点，给出了箱形渡槽日照温差分布形式；
Based on theory of elasticity,a new method of evaluating self-equilibrating thermal stresses in concrete bridges was proposed. 为了更准确地计算混凝土桥梁结构的温度应力,提出了一种基于弹性理论求解温度自应力的新方法。
The progress of thermal stress analysis of the FGM is reviwed and the development trends in this area are prospected in this paper. 回顾了近年来梯度功能材料（FGM）热应力研究领域所取得的研究成果，并对FGM热应力研究的发展趋势作一展望。