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tip resistance中文是什么意思

  • 樁端阻力
  • 舂端阻力

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  • 例句與用法
  • Tip resistance pile
    樁端抗力
  • Today , cast - in - situ piles are more widely used in deep foundation engineering because of their many advantages , such as better adaptability to various ground condition , providing enormous bearing capacity by a single pile and smaller dosage of reinforcing steel bar . but , their own disadvantages , such as sediment under tip , clay slurry around pile , friction and tip resistance disagreement and initial ground stress freeing , limited their bearing capacity , lowered the utilization ratio of material and increased the settlement
    灌注樁,因其對(duì)地層適應(yīng)性強(qiáng)、能提供較大的單樁承載力、鋼筋用量少等優(yōu)點(diǎn),在目前深基礎(chǔ)工程中得到了極為廣泛的應(yīng)用。但是,灌注樁的固有缺陷,諸如孔底虛土;孔壁泥漿;端阻、側(cè)阻發(fā)揮不同步;鉆孔后原地應(yīng)力釋放等,限制了其承載力的發(fā)揮,使得材料利用率不高,沉降較大。
  • In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock . the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002 , tb 10002 . 5 - 99 , jtj024 - 85 and jgj94 - 94 , then the design method with correlated formula of socketed piles in xigeda - mudstone is given . at the end of this paper , based on the research of pressure grouting technique in recent years , and combined with in - site test result , this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters , which provid es experiences for applying this technique and further studying
    本論文結(jié)合省級(jí)科研項(xiàng)目“西攀高速公路昔格達(dá)組泥巖層中鉆孔樁提高承載力的研究” ,所做的研究工作主要在以下三個(gè)方面:一是根據(jù)8根樁身內(nèi)埋設(shè)量測(cè)元件試樁的單樁豎向靜載荷試驗(yàn)資料,分析了各試驗(yàn)樁特別是常規(guī)沖孔灌注嵌巖樁在昔格達(dá)泥巖中的軸向力、側(cè)摩阻和樁端阻力的分布和發(fā)揮規(guī)律;二是在討論現(xiàn)行規(guī)范對(duì)嵌巖樁承載力的計(jì)算公式的基礎(chǔ)上,探討了在昔格達(dá)泥巖層中的沖孔灌注嵌巖樁的側(cè)摩阻和端阻的計(jì)算方法,并推薦了相應(yīng)的計(jì)算公式;最后,在吸取近年來(lái)對(duì)灌注樁后注漿技術(shù)研究成果的基礎(chǔ)上,結(jié)合現(xiàn)場(chǎng)試驗(yàn)研究結(jié)果,分析了該項(xiàng)技術(shù)在昔格達(dá)巖層中的應(yīng)用效果,提出了相應(yīng)的參數(shù)選取,從而為壓力灌漿技術(shù)的工程應(yīng)用和進(jìn)一步研究提供經(jīng)驗(yàn),并為今后在該地層中合理選用樁型以及指導(dǎo)施工提供了依據(jù)。
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