無襯砌的 的英文怎麼說
中文拼音 [wúchènqìde]
無襯砌的
英文
unlined-
As for non - destructive inspection of t railway tunnel lining quality, the two principal indices are strength and depth of lining, of which the latter will only be investigated in this paper
隧道襯砌質量檢測的最主要的兩個指標是強度和厚度，本文只討論厚度的無損檢測。Abstract : this paper introduces the choice and ramming of the refractories for the 12 t induction channel furnace ， which is one of the import production facilities for producing “ oxygen free ” copper wire by upward - leading continuous casting. the cost of home - made refractories is only 1 / 5 1 / 8 of that of import one. it is of benefit to all similar import furnaces that the domestic refractiones were successfully rammed and used
文摘:介紹了引進無氧銅桿上引法生產線中12t有芯感應爐爐襯耐火材料的選用和砌築工藝；運行狀況良好，整個材料費僅為進口同類材料的1 / 5 1 / 8 ；該熔銅爐爐襯的成功砌築和使用，為其他同類爐子爐襯耐火材料的國產化提供了範例。In the past ， magnesia - alumina - spinel bricks were considered as state of the art for chrome - free kiln linings in the cement industry
過去，在水泥行業中，鎂鋁尖晶石磚被認為是最先進的無鉻襯砌方案。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。Using this wave function, the problem can be summarized to the scattering of sh - wave by a shallow - embedded circular lining structure in infinite space
利用這一波函數，則可將該問題轉化成對一個無限空間中淺埋圓形襯砌對sh波散射的求解問題。An analytic method is developed for the problem of scattering of steady sh - wave and dynamic analysis of a shallow - embedded circular lining structure in the field of linearly elastic dynamic mechanics in this paper
本文在線彈性力學范疇內，建立了求解半無限空間中界面附近圓形襯砌結構對sh波散射與動應力集中問題的解析方法。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。Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞，擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求，灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證，在施工前確定該預應力方案選用無粘結預應力系統，成為目前世界上規模最大的無粘結預應力隧洞襯砌工程，在國內尚屬首例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。Using mathematic analysis method analyses the different tie - in " computation mode of fabricated lining railway tunnel. the thesis studies the contents as follows : amended rigidity method can simulate the mechanism by changing the rigidity coefficient, but it is difficult to choose the rigidity coefficients
本文用數值分析的手段，對裝配式襯砌不同的接頭計算模式分別進行了有限元分析，主要內容如下： （ 1 ）修正剛度法可以通過改變管片接頭處的剛度折減系數來很好的模擬接頭的受力機理，但是剛度折減系數的選擇無疑是很難的。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。Therefore, the solution of the problem can be reduced to a seri es of algebraic equations and solved numerically by truncating the finite terms of the infinite algebraic equations. finally, given two kinds of incident wave and different dimensionless parameters, numerical examples are provided to show the influence of wave number, shear modulus, thickness and distance between the center of the cavity and ground surface upon the dynamic stress concentration by incident steady sh - wave
最後作為算例，給出了第一類和第二類兩種不同的sh波入射方式對襯砌的散射，並選取了兩種無量綱參數值，得出了圓形襯砌對sh波散射的數值結果，討論了不同的波數比、彈性模量比、厚度比以及不同的圓形襯砌中心到水平地面距離與襯砌內半徑的比值對動應力集中系數的影響。分享友人