然后,根据现有的文献资料,提出混凝土在收缩应力以及温度应力作用下板角应力公式。
Then, according to the existing cultural heritage data, put forward formula of stress in the case of the shrink stress and temperature stress.
钢筋混凝土框架结构的裂缝设计主要是针对温度和收缩应力产生的裂缝,历来有“抗”与“放”两种不同的处理方法。
Cracks design of reinforced concrete structure focuses on the cracks caused by temperature and shrinkage stress which is traditionally controlled through "resistance" and "relieving".
温度变形和自生收缩变形等受约束形成的拉应力,是引起混凝土早期开裂的主要驱动力;
The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.
得出了混凝土收缩、高温季节日照以及铺涂沥青施工产生的温度应力分布和大小。
The distribution and magnitude of stresses caused by concrete contraction, sunshine in hot climate, and asphalt coating were obtained.
高强轻骨料混凝土(HSLWC)的收缩性能是预应力hslwc结构设计的重要参数。
Shrinkage of high strength lightweight aggregate concrete (HSLWC) is an important parameter for the design of prestressed HSLWC structures.
另一方面由于混凝土的收缩受到土的约束,底板会产生拉应力。
On the other hand, the tensile stress will appear due to the concrete's shrinkage restricted by the earth.
本文针对体外预应力混凝土简支梁的受力、变形特点,提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。
The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.
讨论了混凝土收缩简化计算方法及混凝土徐变对温度及收缩应力计算的影响;
The paper studies the simplification calculation method of concrete shrinkage and the calculation of temperature and shrinkage stress that takes the effects of concrete creep into account.
混凝土桥面铺装在交通荷载、自然因素、温度与收缩应力综合作用下,普遍出现了早期开裂与破坏。
Marly crack and deterioration of many bridge deck overlays have been attributed to the traffic load, nature factor and high thermal or shrinkage stress development in the concrete.
现代混凝土组分的变化导致了温度应力高、收缩变形大,早强和高强也引发了混凝土的早裂和高脆性。
The change of the components leads to high temperature stress, as well as remarkable shrinkage and deformation; also, its characteristics induce friability and fissility of concrete.
超长混凝土结构的设计和施工中可以采取设置后浇带、采用微膨胀——补偿收缩混凝土或设计无粘结预应力混凝士结构来防止温度收缩裂缝的产生。
The designer can set post-pouring belt, using UEA con- crete and designing pre-stressing concrete structure to avoid the crack caused by temperature and shrinkage.
开裂应力测定装置测试了水泥砂浆、混凝土塑性抗拉强度和塑性收缩开裂应力。
The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack.
通过对混凝土依时的自收缩应变和弹性模量测定,求得依时自收缩应力。
On the basis of measurement of time-dependent auto-shrinkage strains and elastic modulus of concretes, the time-dependent auto-shrinkage stresses may be calculated.
在结构长度超长的墙体中采用无黏结预应力技术,可以抵消混凝土的收缩应力和温度应力,提高墙体的抗裂性能。
However, when they are considered with the unbonded prestressed slab together, the seismic performance of the whole structure has not been enough clarified.
在结构长度超长的墙体中采用无黏结预应力技术,可以抵消混凝土的收缩应力和温度应力,提高墙体的抗裂性能。
However, when they are considered with the unbonded prestressed slab together, the seismic performance of the whole structure has not been enough clarified.
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