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mud jack中文是什么意思

  • 泥浆泵
  • 压浆泵
  • 压浆奈

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  • 例句与用法
  • In this paper , the best reinforcement scheme , which was found by nerve network and genetic algorithm from serval reinforcement schemes , was applied to strengthen a prestressed concrete continuous rigid fame bridge with many quanlity faults , such as excess fall deflection of the main span deck > serious web slop crack existing between main pier abutment and one fourth span , and very poor mud jacking quanlity in the prestressing tendon tubs
    本文针对某预应力混凝土连续刚构桥所存在的实际问题:如主桥桥面下挠度过大;主墩和四分之一跨径处均存在较严重的腹板斜裂缝;预应力管道压浆质量较差等。提出了几种加固方案,并用神经网络和遗传算法进一步优化出了较佳的加固方案,进行了加固前后效果对比分析。
  • The author excogitated a kind of appropriative mud jacking material which is made up of cement , sand , fly ash , admixture and water . this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density , high earlier strength , non - segregation , non - weepage and non - contractility . especially , the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking
    本文研制了专用压浆材料,采用水泥、砂、粉煤灰、外加剂和水混拌而成,通过大量实验配制出的浆液具有自流淌密实性好、早期强度高、无离析、无泌水、无收缩的性能,特别是针对路面唧泥处理或预防性养护,板底脱空量较小,研制出高流动度材料,能满足压浆施工的需要。
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