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- Title: Temperature Crack Control in Large Vol. 结合工程实例;从施工角度介绍了高层建筑基础底板大体积混凝土温度裂缝控制技术.
- They believe that this is due to climatic fracture caused by the temperature cracks, but then they only had oral answer, there is no specific written identification. 他们认为,这是由热胀冷缩导致墙体断裂而引起的温度裂缝,但当时他们只做了口头答复,并无专门的书面鉴定。
- Abstract: The temperature crack of structure of big cubage concrete is the mostly common flaw which affects engineering quality and construction’s function. 摘 要: 长期以来,建筑基础底版大体积混凝土结构的温度裂缝问题一直是影响工程质量和建筑使用功能的主要质量通病,这不仅有损工程外观,影响工程验收,而且易引起地下水渗漏,严重影响地下室的使用功能。
- The project practice indicated, in this construction plan adopts prevented the raft board mass concrete temperature crack nine technical measure is effective. 工程实践表明,此施工方案中所采取的防止筏板大体积混凝土温度裂缝的九项技术措施是行之有效的。
- Based on analyzing the reasons of temperature cracks on blockwork, it is proposed that preventative measures to control temperature cracks in design, and methods of treating these cracks structure. 摘要在分析砖砌体结构墙体温度裂缝产生的原因的基础上,从设计方面提出控制温度裂缝的预防措施,以及产生裂缝后的处理方法。
- On the in-situfloors of an apartment building project, found out are new-type temperature cracks, which don't emerge in the middle of the structural unit, but at its both ends in the shape of splay. 摘要在某住宅楼工程现浇楼面发现一种新型温度裂缝,不是在结构单元的中部,而是在其两端呈“八”字出现。
- Based on the experimental data and analysis, temperature, temperature stress and temperature crack mechanism of the concrete sidewall of metro station with iterative structure are studied, and the crack control measures are put forward. 摘要依据实验研究教据和理论分析,对地铁叠合结构车站侧墙混凝土的温度、温度应力和温度致裂机理进行研究,从温度控制的角度提出裂缝控制措施。
- The temperature cracks are calculated by use of a crack band model, and the stress and cracking of the concrete wall are computed by using the half-analytical iteration method. 采用裂缝带模型计算温度裂缝,用半解析迭代法进行了混凝土墙的温度应力和开裂计算。
- The speed of sending out heat of cement is much higher than before which makes temperature crack problem of the massive concrete outstand day by day.The problem has become a universal problem. 目前所生产的水泥放热速度较过去大为提高,这使得大体积混凝土的温度裂缝问题日益突出,已成为普遍性的问题。
- The main steps to prevent temperature crack in anchor mound mass concrete of Changjiang River Bridge in Yichang are described, and all kinds of temperature control methods and effect was present. 介绍了宜昌长江大桥锚碇大体积混凝土施工防止温度裂缝的主要过程,并对各种温控措施及其效果进行了评述,证明所采取的措施是行之有效和切合实际的。
- Carbon black is a kind of rubber filler, it can increase the wear resistance of rubber. It is mainly produced from coal tar as raw materials under high temperature cracking. 炭黑是橡胶里的一种填充剂,可以增加橡胶的耐磨性等,它主要是以煤焦油为原料在高温下裂解而成的。
- Soot carbon is a filling agent for rubber that can improve its wear resistance. It is mainly produced by high temperature CRACKing that use coal tar as the feedstock. 炭黑是橡胶里的一种填充剂,可以增加橡胶的耐磨性等,它主要是以煤焦油为原料在高温下裂解而成的。
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- Causes of temperature cracks on brick structure and its prevention 砌体结构温度裂缝产生的原因与预防
- There is an imperceptible change in temperature. 温度有细微的变化。
- The food should be kept at low temperature. 这种食品应低温保存。
- The temperature of volcanic gases is very high. 火山气体的温度很高。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- The temperature fell sharply in the night. 夜间温度急剧下降。
- There was a descent of temperature after rain. 雨后气温下降了。