This paper introduces the reinforced concrete crack types and causes, from material factor, design factors and external factors three aspects discusses the specific methods of preventing the crack.
本文介绍了钢筋混凝土裂缝类型及产生原因，从材料因素、设计因素和外界因素三方面论述了预防裂缝的具体方法。
It was indicated that the linear defect appeared after machining is not crack, it is the appearance of oxide film involved in the casting under the effect of external force.
结果表明，这种加工后出现的线性缺陷并非裂纹，而是卷入铸件的氧化膜受外力作用后在叶片表面的显现。
Through observing on the building external coating in Beijing, it was found that the inferiority of the coating are crack, falling, fading and stain.
通过对北京市大量住宅楼外墙涂料饰面层的观察，发现饰面层的劣化表现有开裂、脱落、褪色及沾污等。
The results showed that nonmetallic inclusions in weld seam served as crack initiation site under external bend load, and large amount of m a structure resulted in cleavage fracture of weld seam.
结果表明，焊缝金属中存在的非金属夹杂物，在低应力作用下形成微裂纹成为裂源，加之焊缝组织中存在大量的MA结构群，从而发生焊缝金属在室温下的解理断裂。
Further analysis indicated that external copper pollution was the major cause of the crack in the bent pipe.
进一步分析，认为外来铜污染是引起弯管开裂的主要原因。
Car door external water slot: without such defects as crack, peeling, colour deviation, and lifting, etc.
车门外水切：无开裂，起皮，色差，翘起等缺陷。
This paper analyses the reasons of external wall insulation system surface cracks and proposes the crack mechanism and controls measures and makes recommendations accordingly.
本文对外墙保温体系面层裂缝产生原因进行了系统的分析；提出了外墙外保温的抗裂机理以及控制措施；并对外墙外保温提出了相应的建议。
From the reasons and the damages it may have, cracking in the external thermal insulation system with EPS board thin render is analyzed and the crack-proofing measures is proposed in the article.
文章从外保温膨胀聚苯板（EPS板）薄抹灰系统墙面裂缝产生的原因及危害入手，对外墙墙面裂缝产生的原因进行分析，提出对外墙外保温膨胀聚苯板（EPS板）薄抹灰系统裂缝控制的技术措施。
With the increase of external loading, AE instrument can exactly locate the position of crack initiation and propagation; and AE location events can reflect the stable crack propagation process.
随着加载的进行，声发射仪器精确地定位出其裂纹初始位置、扩展方向，并直观地反映出其内部裂纹稳定扩展过程。
With the increase of external loading, AE instrument can exactly locate the position of crack initiation and propagation; and AE location events can reflect the stable crack propagation process.
随着加载的进行，声发射仪器精确地定位出其裂纹初始位置、扩展方向，并直观地反映出其内部裂纹稳定扩展过程。
应用推荐