隧道全面開挖 的英文怎麼說
中文拼音 [suìdàoquánmiànkāiwā]
隧道全面開挖
英文
full face tunneling- 隧 : Ⅰ名詞1. (隧道; 地道) tunnel; underground pass2. [書面語] (道路) road3. (郊外的地方) suburbsⅡ動詞[書面語] (旋轉) turn
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 全 : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 挖 : 動詞(用工具或手從物體的表面向里掘取) dig; excavate; scoop
- 隧道 : tunnel; tunneling; tunnelling; chunnel; drive
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In order to facilitate selection of tbms in a project based on engineering geology and hydrogeology conditions, project characteristics and environmental constraints, it is necessary to understand the operation mechanisms of different tbms and classify them accordingly
本文介紹了各種類型的全斷面隧道掘進機的運行機理,並根據最終開挖隧道斷面,掌子面的支護類型及巖土體的破碎機理對全斷面隧道掘進機進行分類。In order to achieve the optimized tunneling approach, first, tunneling procedures, shift length, horizontal jet grouting length, bench length and space length between c and d part of crd method are optimized ; on the basis of these results, two kinds of tunneling schemes are calculated with three - dimensional fem and the optimized tunneling scheme is achieved. as results of the optimized scheme, the conclusion is made that the gas pipe above the tunnel of sk3 + 355 section is secure. the calculation results are verified through comparison of numerical simulation results and site - monitoring measurement data
為得出適合本段工程的最佳施工路線,利用大型有限元通用軟體ansys對開挖順序、開挖進尺、水平旋噴長度、臺階長度及crd工法施工的c 、 d部相錯長度進行了有限元數值模擬和優化分析,並利用這些分析結果,進行了兩個施工方案的三維有限元動態施工模擬,得出了較優的施工方案,並利用施工后的地表沉降槽曲線,對sk3 + 355斷面處隧道上方的煤氣管線的安全性進行了分析,得出了利用此施工方案施工不會造成此處煤氣管線破壞的結論。Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved
6公里的雪峰山隧道工程,首先介紹了隧道支護結構的常用分析計算方法;然後通過對隧道施工過程中,洞室穩定性與支護結構相互作用機理的深入分析,建立了隧道施工過程的空間計算模型,提出了採用三維彈塑性有限元-無限元耦合的數值計算方法,綜合分析了隧道在不同圍巖特性和圍巖類別條件下,以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響,從而解決了通用有限元方法難以解決的隧道三維無限域問題;其可充分發揮有限元法在分析非線性方面的有效性和成熟性,以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性,為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further
首先,本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次,針對傳統錨桿有限元模擬方法的局限性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有限元分析手段,開發了隧道支護穩定性分析的有限元程序,並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討,得到了對隧道支護設計具有指導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算,探討了其應用方法,並就隧道變形與應力及塑性區分佈規律進行了分析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。Under the effect of instantaneous blasting shock wave, the reliability of lining is affected. the influence on existing tunnel relates to amount of dynamite, tunnel space, area of vvok face and rigidity of round rock
在爆破沖擊波的瞬間作用下,既有隧道襯砌安全性將受到影響,裝藥量、隧道間距、開挖面面積、圍巖軟硬程度都與爆破沖擊對既有隧道的影響有關。Face failure and ground subsidence caused by metro tunnel excavaton in weak watery stratum of shenzhen play an important role in metro construction because they influence the safety and time of construction and also lead to large loss of the whole project
摘要深圳富水軟弱地層地鐵隧道開挖中出現的工作面失穩及由此引起的地表塌陷是地鐵安全施工中極其重要的方面,對施工安全、進度都有較大影響,同時也對整個工程造成巨大的經濟損失。The famous project of gas transiting west to east and the cross - river tunnel of huangbu river in shanghai also will be constructed with this technique, which is under the plan. among the shield tunneling methods, up to now, earth pressure balanced shield tunneling ( epbs ) is the most universal type, and it is very certain that the epbs method adopt to our country increasingly. the key factor to success in epbs is converting the muck which is lack of fluidity excavated from the cutter face to the plasticity soil. but when the shied tunneling machine advancing, it is considerably difficult to reach this requirement because of the ground soil condition, which is consist of stiff clay, silt, weathered rock, and so on
近些年來我國城市地鐵建設迅速發展,盾構施工法作為一種安全而又環保的施工方法得到了廣泛的使用,另外在黃浦過江隧道,西氣東輸的穿黃隧道等工程也在使用盾構隧道施工技術。這其中土壓平衡式盾構在我國的使用最為普遍,成為地鐵隧道施工技術的主流。土壓平衡式盾構施工成功的關鍵是要將開挖面切削下來的土體在壓力艙內調整成一種「塑性流動狀態」 。By comparing the stability characters of rock after excavated, the best stable section shape is found. 3. the security of lining is compared by load - structure model which is used in tunnel design
並對7種方案和標準圖方案進行了隧道全斷面開挖后圍巖穩定性比較,從中找出隧道開挖后對圍巖穩定最有利的斷面形式。On the basis of model test, a better construction method under pre - prop for the surrounding rock i, ii, iii, named whole section excavation with heading in moderate degree and that with center heading and center partition first, then with two sides heading, is put forward
在模型試驗的基礎上,提出了、 、類圍巖隧道在預支護下的優化施工方法,即下導洞適度超前全斷面開挖與先行中導洞及中隔墻、其次兩側下導洞適度超前全斷面開挖。分享友人