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.
水力压裂过程中存在的损害主要包括粘土膨胀与颗粒运移损害、机械杂质引起堵塞损害、支撑裂缝导流能力的损害等。
The damage during hydraulic fracturing mainly included clay swelling and grain migration, built up created by mechanical impurities, the damage of fracture conductivity and so on.
东区段主要的地质灾害是地面沉降、地裂缝和膨胀土的胀缩灾害。
In the east section, the hazards are mainly ground subsidence, ground cracks and expansion and shrinkage of expanded soils.
大量工程实践证明,温度应力、冰膨胀力是引起大体积混凝土渡槽结构出现裂缝和发生事故的主要原因。
A large number of project experience have shown that thermal stress and ice expansive pressure are the primary factors which cause mass concrete aqueduct to crack and wreck.
江津观音岩长江大桥为结合梁桥,为防止桥面板湿接缝在约束条件下产生裂缝,该桥面板湿接缝要求采用微膨胀混凝土,以补偿混凝土的收缩、徐变。
In order to prevent the cracks that would be likely caused by restricted conditions of the wet-joint, the wet-joint demands using expansive concrete to compensate the shrinkage and creep.
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.
以及潮湿地区因木材纤维管膨胀所引起木材弯翘和裂缝现象。
And wet areas due to expansion caused by wood fiber tube warping and cracking phenomenon of wood.
软管:检查散热器、冷却、供热和真空等软管有无裂缝和膨胀处。
Hoses: Check radiator, cooling, heating and vacuum hoses for cracks and bulges.
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。
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.
裂缝的存在不仅削弱了膨胀土边坡土体的结构,而且为水的入渗提供了通道,从而使土体软化,强度降低。
The crack not only weakened the soil structure of the slope, but also provided passage for water penetration, which further led to soil softening and strength decrease.
现浇砼屋面的砖混房屋中 ,由于砼与砖砌体的线膨胀系数相差一倍 ,顶层墙体容易产生温度裂缝 。
Temperature crack control of the top wall in masonry-concrete building with cast-in-place concrete roof;
为提高可靠性,降低的热膨胀系数(热膨胀系数)的不匹配与PC B减少了从热循环所得的焊点的裂缝的可能性。
For increased reliability, a reduced CTE (coefficient of thermal expansion) mismatch with the PCB reduces the possibility of solder-joint cracks resulting from thermal cycles.
干湿循环使得膨胀土边坡产生裂缝,随着干湿循环次数的增加,裂缝逐渐变宽变深。
With the increase of The Times of the dry-wet cycling, the width and the depth of the crack got larger and deeper.
干湿循环使得膨胀土边坡产生裂缝,随着干湿循环次数的增加,裂缝逐渐变宽变深。
With the increase of The Times of the dry-wet cycling, the width and the depth of the crack got larger and deeper.
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