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土木工程外文翻譯----土工織物加筋墊層加固軟土地基-建筑結(jié)構(gòu)(完整版)

  

【正文】 and its end should be a reliable anchor to play the tensile strength of geotextile, anchoring more firmly, more capacity to improve, the foundation of the stress distribution more uniform, geotextile side Ministry of fixed length by laying end to ensure the fold, the folded end wrapped sand to increase its bond strength to ensure that the use will not be pulled out during the period. Second, the construction process have a significant effect on the reinforcement effect, the construction should be as soon as possible so that geotextile in tension, tensile strength geotextile can be played only when the deformation, so do not allow construction of geotextile crease occurs, the earth Fabric tension leveling as much as possible. Geotextile in order to have enough by the early Dutch strain, according to the following procedure works: ① laying geotextile。 工程概況 擬建擋土墻采用重力式毛石擋土墻,墻高為 6米,要求地基土的承載力為 250kPa,而基底的地質(zhì)情況自上而下為: ① 粘土,厚約 ~ 2 米 ,飽和,軟塑; ② 淤泥質(zhì)土,厚度約 22~24 米,飽和,流塑為主,局部軟塑; ③ 細(xì)砂層,厚約 5~ 10 米,含淤泥質(zhì)土及有機(jī)質(zhì),飽和,稍濕; ④ 卵石層,厚度分分布不均,約 0~ 米,稍密; ⑤ 風(fēng)化中砂巖。為了使土工織物在受荷初期有足夠的應(yīng)變,可按下列程序施工: ① 鋪土工織物; ② 拉平拉緊兩端;兩端折起包裹砂礫并兩端填砂; ③ 中心填砂; ④ 兩端砂增高; ⑤ 最后,中心填砂。 三、土工織物加筋墊層的施工宜采用水平鋪土工織物與土工織物碎石袋墊層交替鋪設(shè), 以綜合發(fā)揮袋裝墊層的搞彎性好、撓曲剛度大、擴(kuò)散效果好及平鋪墊層的整體性的連續(xù)性好的優(yōu)點(diǎn)。 地基墊層的加筋強(qiáng)化處理 加固可采用換填法用砂礫石進(jìn)行換土處理,但由于墊層的松散性,根 據(jù)以往經(jīng)驗(yàn),用砂石墊層處理的地基時(shí)常存在沉降大、均勻性差的特點(diǎn),往往造成上部結(jié)構(gòu)裂縫、不均勻沉降的形象,本工程為 6 米高的毛石擋土墻,高度大,又由于墻上有3 米高的圍墻,如果出現(xiàn)擋土墻不均勻沉降、裂縫,將會(huì)造成較
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