膨胀裂缝 expansion fissure
- 与橡木相比,其他木材的膨胀和收缩速度不同,所以用这些木材做的橡木船的修理会出现裂缝或漏水。
Other woods expand and contract at different rates than oak, so repairs to oak ships done with those woods split or leak. - 为了提高混凝土的抗渗性能,以及减免由于混凝土收缩而产生的裂缝,在混凝土中经常加入膨胀剂。
To improve the impermeability of concrete, and reduce cracks in concrete created by the shrinkage, expansive agent is often added. - 对构造配筋、设置应力释放带和使用微膨胀混凝土等控制裂缝的有效措施进行了讨论。
Reinforcing concrete wall, grooving a stress-release slot in basement wall and adopting tiny expansive concrete are good measures to control the cracking.
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