1) mud cake on the wall of borehole
孔壁泥皮
1.
According to the borehole diameter shortening and drilling tool jamming accident in Yilan,the basic reason was thought to be rapidlythickening mud cake on the wall of borehole in crack development in some rock stratum with high permeability and absorbency,but not to be rock expanding.
针对依兰煤田钻探施工中出现的钻孔缩径挤夹钻具事故,提出产生事故的根本原因不是因岩层本身膨胀所致,而是由于某种岩层裂隙发育,渗透性良好,吸水性强,使钻孔孔壁泥皮迅速增厚所致,并提出预防事故的具体措施。
2) pit protection mud cake
护壁泥皮
3) slurry filled drill hole
泥浆护壁孔
1.
Based on the mechanic properties of slurry in drill holes it is suggested that the velocity of shear wave(Vs)can directly measured in a slurry filled drill hole without the tools such as the ball and the bar.
本文根据泥浆护壁孔中泥浆的力学特性 ,论述了在泥浆护壁钻井中可直接测得S波 ,并附测试实
5) pound piling with hole slurry protected
泥浆护壁冲孔灌注桩
1.
Analysis of engineering supervision on pound piling with hole slurry protected;
浅析泥浆护壁冲孔灌注桩工程监理
6) bored pile in slurry wall
泥浆护壁钻孔灌注桩
1.
With the restriction of construction technology,sediment at the tip of bored pile in slurry wall is difficult to be cleared,and soil there and aroud pile is disturbed easily,so the vertical bearing capacity of a single pile will be reduced to some extent.
受施工工艺限制,泥浆护壁钻孔灌注桩桩端沉渣不易清除,桩端及桩周土较易扰动,导致单桩承载力有一定程度的降低,通过后注浆技术,可有效解决此问题。
补充资料:孔壁古文尚书
中国汉景帝时在孔子故宅壁中发现用古代科斗文写的《尚书》,比汉文帝时伏生所传、隶书书写的《今文尚书》多16篇,故称《古文尚书》。相传孔子后人畏秦法峻急,藏《尚书》、《孝经》及《论语》等于孔子故宅壁中。汉景帝子鲁共王刘馀,拆孔子旧居以扩建宫殿,于墙壁中发现许多书简,全用科斗文书写,有《尚书》及《论语》等儒家经典,称古文经,亦称壁经。汉武帝末年在朝廷任博士的孔子十二世孙孔安国加以整理,与伏生所传今文经校对合并为58篇、46卷。魏晋时惟秘府有之,至永嘉之乱时佚失。晋元帝时豫章内史梅赜奏上一部孔安国作传的《古文尚书》,比伏生所传的多25篇。此书流传颇久,到宋代吴棫、朱熹等对它有过怀疑,明代梅鷟竟直斥其伪。清代阎若璩作《古文尚书疏证》、惠栋作《古文尚书考》,一一揭示其为伪书的证据。丁宽作《尚书余论》,进而论证其为曹魏王肃的伪造。
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参考词条