contraction crack [机] 缩裂
- The paper analyzed the condition of cement stability macadam crack, introduced the technical measures of reducing pavement shrinkage and temperature contraction for reference.
分析了水泥稳定砂砾(石)出现路面开裂现象,介绍了减少路面干缩和温缩的技术措施,并提出怎样兼顾混合料的强度和抗裂性的要求。 - By application of ready mix pumping concrete in all kinds of projects, the paper discusses several aspects from improving ready mix concrete quality, reducing concrete contraction oneself, compounding tiny expansion concrete t
通过预拌泵送砼在各类工程中的应用,从提高预拌砼质量,减少砼自身收缩,配制微膨胀砼消除砼裂缝,大体积砼水化热引起裂缝的预防措施,砼表面干缩裂缝的预防措施等几方面进行了论述,总结出预拌泵送砼防止和控制裂缝的方法和措施。
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