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".
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.
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.
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.
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.
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.
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.
应用推荐