本文關(guān)鍵詞： 通航隧道 優(yōu)化設(shè)計(jì) 合理支護(hù) 結(jié)構(gòu)防排水 施工方案　出處：《浙江大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著我國(guó)經(jīng)濟(jì)的迅速發(fā)展和對(duì)內(nèi)河航運(yùn)需求的不斷增長(zhǎng),低標(biāo)準(zhǔn)的船閘已不能滿足水運(yùn)發(fā)展的需求,建設(shè)大斷面通航隧道成為解決這一通航瓶頸問題的可行方法。目前國(guó)內(nèi)外對(duì)大斷面通航隧道的研究還處于初步階段,設(shè)計(jì)和施工并無(wú)可參照的標(biāo)準(zhǔn)規(guī)范,而建設(shè)該類隧道已迫在眉睫,對(duì)通航隧道設(shè)計(jì)和施工關(guān)鍵技術(shù)開展研究具有重要的現(xiàn)實(shí)意義。本論文依托富春江七里瀧航道通航隧道工程項(xiàng)目展開了通航隧道設(shè)計(jì)與施工關(guān)鍵技術(shù)的研究,主要工作和研究成果如下： 1.在滿足隧道水下斷面形狀要求、水上部分建筑界限要求以及通航隧道安全保障措施要求的基礎(chǔ)上,結(jié)合圍巖及隧道結(jié)構(gòu)的受力特點(diǎn),應(yīng)用最優(yōu)化方法及相關(guān)分析計(jì)算,對(duì)隧道內(nèi)輪廓進(jìn)行優(yōu)化設(shè)計(jì)； 2.根據(jù)富春江通航隧道的技術(shù)資料和隧道特點(diǎn),結(jié)合現(xiàn)有隧道防排水設(shè)計(jì)規(guī)范和經(jīng)驗(yàn),進(jìn)行通航隧道水上部分和水下部分的結(jié)構(gòu)防排水設(shè)計(jì)； 3.通過工程類比法確定通航隧道的支護(hù)參數(shù),利用有限元數(shù)值模擬及荷載結(jié)構(gòu)法的計(jì)算確定通航隧道支護(hù)參數(shù)的合理性,并對(duì)二襯配筋及裂縫進(jìn)行驗(yàn)算； 4.對(duì)通航隧道的開挖方法、超前支護(hù)方案、洞口工程施工方案、超欠挖控制及預(yù)留變形量施工技術(shù)以及二次襯砌技術(shù)等施工方案進(jìn)行分析研究。本文結(jié)合我國(guó)通航隧道建設(shè)中亟待解決的問題和需要,利用資料調(diào)研、理論分析、數(shù)值模擬、等綜合手段,揭示了通航隧道設(shè)計(jì)與施工中關(guān)鍵技術(shù)問題的解決方法。以上成果對(duì)合理認(rèn)識(shí)通航隧道具有重要意義,并對(duì)實(shí)際工程中的設(shè)計(jì)和施工提供了寶貴的研究資料。
[Abstract]:With the rapid development of China's economy and the growing demand for inland shipping, the low standard of ship lock has been unable to meet the needs of the development of water transport, large section tunnel construction of navigation become a feasible method to solve the traffic problem. At home and abroad on the large section navigation tunnel is still in the initial stage, Standard Specification for design and construction there is no reference to the construction of the tunnel, which is imminent, has important practical significance to navigation tunnel design and construction key technology research. This paper is based on the the Fuchun River seven miles long waterway tunnel project carried out research on the key technology of the design and construction of navigation tunnel, the main work and research results are as follows:
1. to meet the section shape of underwater tunnels, water on the part of the building boundary requirements and navigation tunnel security measures on the basis of the requirements, combined with the surrounding rock and tunnel structure stress characteristic, application of optimization method and related analysis, optimize the design of the inner contour of the tunnel;
2., according to the technical data and tunnel characteristics of the Fuchun River navigation tunnel, combined with the design specification and experience of existing tunnel waterproofing and drainage, we conduct structural design of waterproofing and drainage for navigation tunnel and underwater part.
3., the supporting parameters of navigable tunnel are determined by engineering analogy method. The rationality of supporting parameters of navigable tunnel is determined by finite element numerical simulation and load structure method, and the checking of two lining reinforcement and cracks is checked.
4. of the navigation tunnel excavation method, advance support scheme, the scheme of project construction, excavation control and analysis of reserved deformation in construction technology and two lining technology construction scheme. According to the problems and needs of China's navigation tunnel construction, using the data of investigation, theoretical analysis, numerical simulation and comprehensive way, reveals the solution to the key technical problems of design and construction of navigation in the tunnel. The above results to reasonably recognize the significance of navigable tunnel, and valuable research data for practical engineering design and construction in the offer.

【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U455

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