拱北隧道明挖段變形縫防水構(gòu)造優(yōu)化研究
發(fā)布時(shí)間:2018-06-19 05:57
本文選題:明挖段 + 變形縫 ; 參考:《現(xiàn)代隧道技術(shù)》2017年02期
【摘要】:通過對(duì)現(xiàn)行設(shè)計(jì)規(guī)范和明挖隧道工程案例的調(diào)研,文章總結(jié)了變形縫防水做法和設(shè)置依據(jù);在變形縫防水以"堵排結(jié)合"為原則的基礎(chǔ)上,對(duì)于臨海隧道和水下隧道,采用可排式變形縫止水帶,可以增強(qiáng)防水效果。結(jié)合拱北隧道明挖段工程地質(zhì)條件和防水要求,將可排式止水帶結(jié)構(gòu)運(yùn)用于變形縫防水中,并在隧道內(nèi)側(cè)設(shè)計(jì)排水管道連接,以作為滲漏水的排水路徑,該優(yōu)化設(shè)計(jì)對(duì)工程實(shí)踐有一定的指導(dǎo)意義。
[Abstract]:Through the investigation of the current design specification and the case of the excavation tunnel project, the paper summarizes the waterproof practice and setting basis of the deformation seam. On the basis of the principle of "blocking and discharging the combination" of the deformation seam waterproof, the waterproof effect can be enhanced by using a row type deformation seam stop belt for the sea tunnel and the underwater tunnel. The waterproof effect can be enhanced. The project is combined with the Ming excavation section of the Gongbei tunnel. The structure of the drained water stop belt is used in the deformation seam and water protection, and the drainage pipe is connected in the inner side of the tunnel as the drainage path of the leakage water. The optimization design has certain guiding significance for the engineering practice.
【作者單位】: 北京交通大學(xué)土木建筑工程學(xué)院;
【分類號(hào)】:U453.6
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