有襯砌的 的英文怎麼說
中文拼音 [yǒuchènqìde]
有襯砌的
英文
lined-
In addition, this paper carry out successfully the support design practice in the preceding excavation of 4km long exploratory tunnel. according to the thesis research results, the following conclusion can be drawn. if the grouting rock can possess sound anti - seepage capability and the liner structure can hold higher hydraulic permeability relatively, and if the adjoining rock can be made as primary load - bearing structure by construction measure, the stability of country rock and the safety of liner structure will be guaranteed
計算結果表明,如果能使錦屏工程引水隧洞灌漿圈圍巖具有較好的防滲性能,將高外水壓力控制在灌漿圈以外,再配合透水性相對較好的支護結構以及排水措施,使灌漿圈圍巖成為主要承載結構,並使襯砌結構和灌漿圈共同承載,是可以保證圍巖的穩定和支護結構安全的。Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。Through tunnel model test, the action law of external water load on secondary lining with a grouting loop is obtained
根據隧道模型試驗理論,通過室內模型試驗得出了有注漿堵水圈的隧道襯砌結構外水荷載的作用規律。Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。This paper analyses the stress and deformation of the two lining structure types of the surge shaft surrounded with crush rock under the action of high water pressure by using fem, compares the two lining types ' s merits and demerits in stress, deformation, fracture state, the combining bearing of surrounding rock and lining structure, the safety and economics
本文針對圍巖條件比較破碎,裂隙發育的調壓井洞室結構,就兩種襯砌結構型式分別進行了高水頭作用下的有限元數值模擬,從調壓井襯砌結構選型角度分析對比了兩種襯砌結構型式在圍巖及襯砌結構應力與變形、襯砌結構鋼筋混凝土開裂、圍巖與襯砌結構聯合承載、結構安全儲備、經濟等方面的優劣。With an analysis of soil liquefaction potential for free field of nanjing metro line 1 under 7 degree earthquake, as well as for excavated field, in line with railway engineering anti - earthquake design specification, dynamic triaxial tests and theoretical analysis using efficient stress method, the author comes to the conclusion that, when metro plate is located at layer s and the layer is thick, liquefied area is at metro bottom plate ; in some local section liquefied area is at metro top plate, or arch sides at the top of metro in most places
摘要採用鐵路工程抗震設計規范、動三軸試驗及有效應力的理論分析相結合的方法,對南京地鐵南北線( 1號線)區間隧道開挖后其地基土在7度地震情況下的土層液化情況進行分析得出:當隧道底板坐落在5層且5層較厚時的液化區出現在隧道襯砌底板處;局部地段液化區出現在隧道頂部及拱腰;大部分地段的液化區出現在隧道頂板上方。A kind of knew non - damage inspect method called app tester measuring the intensity of spray concrete was discussed in detail. a kind of non - damage inspect method used ultrasonic instrument and concrete instrument measuring the intensity of concrete lining was discussed. these method was proved to be impersonal and reliable, convenient for operating, laborsaving and timesaving
結合工程實踐,詳細闡述了一種新的噴混凝土強度無損檢測方法? ?氣壓射釘槍檢測噴混凝土強度,闡述了二次襯砌強度無損檢測方法? ? 「超聲?回彈」綜合法,驗證了該方法具有檢測結果客觀可靠、操作方便、省工省時等優點。Through analyzing all kinds of construction methods of building metro station under shield driven method in many countries, this paper studies the construction technique ( method ) of building metro station under shield driven method, taking in guangzhou no. 3 metro line, and linhe xilu station as the actual object. according to station class, function and topography and geology, the station schemes of twin - bore tunnel ( island ), firstly, three parallel tunnels ( island ), tri - bore tunnel ( island or side ) and four parallel tunnels ( island or side ) are proposed. secondly, the shape and main parameters of station structure on two schemes are analyzed with load - structure mode, for different overburden depth of tunnel and lining thickness, etc. thirdly, the construction process is simulated in 2d fem.,
根據建站的規模、使用功能及站位地形地質條件,提出了兩連拱結構島式站臺車站、三條平行隧道島式站臺車站、三連拱結構島式和側式站臺車站以及四條平行隧道島式和側式站臺車站方案;採用荷載?結構模式,對四種方案的主體結構的形式和重要參數進行分析研究,分不同的埋深、襯砌結構厚度和拱形結構的拱跨比進行了多組數值計算;採用平面有限元方法對四種車站結構的開挖施作過程進行了模擬分析。Abstract : this paper uses the supersonics wave inspecting method for judging the damage degree of fire hazard tunnel lining, and puts forward the correlation of concrete supersonics wave speed with relative physics and mechanical properties through test, and gives evaluation and suggestion about conventional supersonics wave inspecting method used in fire hazard tunnel
文摘:將超聲波檢測法應用於隧道火災后的初砌損傷評定,通過試驗研究給出了砼超聲波速與砼有關物理力學性能的關系,並對超聲波檢測常規方法在隧道襯砌火損后的應用給出了評價。( 2 ) when tunnel water is blocked up fully behind the lining, water pressure on the lining will reach maximum at last so long as surrounding rock near the lining is infiltrative no mattter how much the permeability coefficient of surrounding rock is
( 2 )隧道採用完全不排水措施時,只要襯砌附近的圍巖滲水,襯砌背後與含水圍巖有水力聯系,不論滲透系數多大,襯砌背後最終水壓會達到靜水壓,計算時水壓不宜折減。Canal lining project have been suffered from freeze for a long time at ningxia irrigation area and cause some serious results. a great deal of capital has been spent in convinence and rebulid of old canal lining every year, it affects badly positive benefit of hydraulic project and delays the development speed of irrigation area
長期以來,寧夏灌區渠道襯砌工程一直受凍脹危害,使得渠道襯砌發展不快,每年大量資金都用在原有襯砌渠道的維修改造上,不僅嚴重影響了水利工程效益的發揮,而且大大地影響了灌區的發展。( 2 ) if the tunnel is constructed by blasting method, the shock vave from blasting endangers the safety and stabilization of existing tunnel structure
( 2 ) 、對于鄰近隧道礦山法施工,開挖爆破產生的沖擊波會危及既有隧道襯砌結構安全及穩定。In accordance with the water tunnel that liner have cooling pipe, thermal insulation temperature rise model adopt difference expression during its through or not water phase, and optimization back analysis of parameters is carried out
針對本工程引水洞襯砌內布置有冷卻水管,對絕熱溫升模型在通水前後採用了不同的表達式,並分別對其進行了優化反演分析。Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible
結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性,確定了預應力混凝土壓力管道理論計算方法的可行性。First thing is to use a suitable green " function, which is a essential solution of displacement field for the elastic half space with a half circular lining, which impacted by out - plane harmonic line source loading at horizontal surface
求解該問題的過程中,首先利用一個適合本問題的green函數,該函數為具有半圓環形襯砌的彈性半空間在其水平表面上任意一點承受時間諧和的出平面線源荷載作用時位移場的解答。In this paper, it is studied and analyzed characteristic of stress, distortion etc. of pipe liner structure combining dahuofang transport water tunnel practice project, tunnel boring machine construction, and it is considered that affects internal force of pipe liner for early stress of underground structure and digging load. in nonlinear finite element calculation model, folium cells have been simulated among pipe liner and pipe liner and wall rock. under varies load condition, it has educed that changing rule of stress, distortion and load characteristic pipe liner in kinds of wall rock tunnel by analysis and calculation
本文結合實際工程,分析研究了大夥房水庫輸水隧道工程在採用掘進機施工方法的情況下,利用管片襯砌的結構應力、變形等受力特性,考慮地下結構初始應力和開挖荷載對襯砌內力的影響,採用薄層單元模擬襯砌管片之間、襯砌管片與圍巖之間的非線性有限元計算模型,通過分析計算得出不同荷載工況下各類典型圍巖段隧道襯砌管片受力特徵、應力和位移變化規律。This thesis pass through the laser delimitation instrument and the geological radar instrument means, to tunnel initial stages support and secondary structure. at past the research of tunnel lining thickness depend on opening dig figure, don " t consider the effect of tunnel lining inner figure. adopting the integrate method of the laser delimitation instrument and the geological radar could most exact reflect the change rule of tunnel lining thickness, but also could do lots unbroken examination, have very important for summing - up the rule of tunnel lining thickness change, and have very amplitude extend value
本文通過激光限界儀和地質雷達綜合方法,對新建高速公路隧道初期支護和二次襯砌混凝土內輪廓和厚度進行了檢測,對襯砌厚度的分佈規律以往的研究中,多以開挖和襯砌的輪廓變化為依據,並未考慮襯砌內輪廓的影響,而採用激光斷面輪廓限界儀和地質雷達綜合方法能較為準確的反應襯砌厚度的變化規律,並且能夠無破損的做大量的檢測工作,為總結混凝土厚度的規律有很大作用,並有極大的推廣價值。For the uncertain character of material function, the intensity of spray concrete and concrete lining is uncertain too. it can describe quality character better by probability model and statistic parameter of stochastic variable
由於材料性能具有不確定性,噴混凝土和二次襯砌的強度亦同樣具有不確定性,一般用隨機變量的概率模型和統計參數來描述,能更好地描述其質量特徵。Our analytic works in concrete are mainly as follows : scattering of sh - wave by interface circular lining are investigated by combining tow half spaces with unknown loading at interface into on finite elastic body, the interface circular lining can be formed. integral equations to determine the unknown are established by use of green ' s function
按「契合」方式構造出sh波作用下,由兩個各向同性線彈性半無限空間組合而成的含有界面圓環形襯砌的無限大雙質材料體,利用green函數建立問題的定解積分方程組。The laser delimitation instrument and the geological radar instrument means not only adapt to tunnel lining structure, but also to tunnel initial stages support, and adapt to the course inspect of tunnel construction. the means could extend in tunnel construction
激光輪廓儀和地質雷方法,不僅適合隧道二次襯砌的厚度檢測,而且對隧道初襯厚度檢測、隧道施工中的過程檢測也是一種行之有效的方法,可以在施工過程中大量推廣使用。分享友人