grade tunnel 中文意思是什麼
grade tunnel
解釋
緩坡隧洞-
A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade, make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways, and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas, which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways
收集現有沙漠公路的有關資料，對全國已建沙漠公路進行沙害及其他病害調查，對相關數據和影響沙漠公路路基高度的各種因素進行綜合系統地統計分析；通過野外風沙流場測定，分析適宜風沙流順利通過的路基高度；通過室內風洞試驗進行驗證；結合路基穩定性分析、路基高度的經濟性分析，考慮不同等級公路的使用要求，最終提出不同地區不同等級沙漠公路路基填土高度的合理高度建議值。 -
The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy
本課題的研究工作包括：對國外相關資料的調研分析；對已建沙漠地區公路進行調查、觀測了十余條線路，近百段路段，以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象；風沙流路基高度的關系、風洞試驗；對調查路段及依託工程調查、觀測結果統計研究；不同高度下路基穩定性分析；路基經濟性分析；按照沙丘類型及公路等級提出路基合理高度推薦值。 -
The ent contract include the following major items : construction of 0. 5km long at - grade tunnel approach within butterfly valley
A在蝴蝶谷內建造一條長零點五公里的隧道引道 -
A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea
本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究，在系統分析和歸納總結國內外相關研究成果的基礎上，系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則，給出了研究和解決近接施工問題的普遍方法，如數值分析先行，模型試驗、現場測試驗證等。 -
This classification is exceedingly convenient to pre - estimate the medium short tunnel gushing in this area, which provided an effective guide for the design and construction of tianchan 2 grade special purpose highway in gansu province
隧道涌水類型劃分對該地區中短隧道涌水預測極為方便，為甘肅省天?二級汽車專用公路設計與施工提供了有效指導。 -
The change of energy in wall rock is tracked in the whole process and the amount of energy transferred to linings is also evaluated. 5 ) based on the principal of energy invariance and the energy properties of sfrc, a practical design equation that related the thickness of projecting sfrc to the energy related properties of tunnel is given in the end. this equation is then used to design a single - track railway tunnel in iii grade rock condition
並進一步推導了不同形式的構件間的能量耗散關系，為將標準試驗的能量統計結果運用於實際結構中打下了基礎； 4 ）利用有限元軟體對隧道開挖過程進行了三維模擬，得到了隧道圍巖在開挖掘進過程中的能量轉化趨勢和規律，得到了鋼纖維噴射混凝土襯砌在支護過程中的能量變化； 5 ）利用能量守恆原理和已經推導出的構件能量耗散關系，建立了鋼纖維噴射混凝土襯砌厚度與圍巖開挖能量變化間的關系，並運用此方法對級圍巖條件中的鐵路單線隧道的鋼纖維噴射混凝土襯砌進行了設計計算； -
Abstract : in accordance with the current thermotechnical behaviors of domestic tunnel kilns using different firing fuels, such as thermal utilization ratio and energy consumption per kilogram of porcelain, the influence of various firing fuels properties and fuel system ' s installation etc, on the kiln ' s thermotechnical behavior has been analysed in this paper. it is demonstrated that clean gaseous fuels and light oil are high quality fuels for the production of top grade fired products
文摘:從國內現有使用不同燃料的陶瓷隧道窯的熱能利用率、千克瓷能耗等熱工性能的現狀，分析了各種燃料的燃燒性能及不同的燃燒系統設置對窯爐熱工性能的影響，認為潔凈的氣體燃料和輕油是生產高檔產品的優質燃料。 -
After decades of efforts, starting from undertaking highway for military purpose and overseas economic aid projects, the company has been developed into a class a general contracting enterprise engaged not only in construction of high - grade highway, extra large bridge, municipal works and long tunnel, but also in the engineering design, consultancy, scientific research, defects detection and road machinery manufacturing
幾十年風雨兼程，公路一局從起初承建國內戰備公路、國外經援工程的一支築路隊伍，發展成為如今以承建國內外高等級公路、特大型橋梁、市政工程和長大隧道為主，集施工、設計、監理、科研、檢測、機械製造為一體的國家大型公路工程施工總承包特級企業，具有多項專業承包資質。 -
What are the major land uses on criii ? a19. major land uses on criii include a wide waterfront promenade, the new star ferry piers and public piers, a " comprehensive development area " site for low to medium rise commercial development with pedestrian landscaped deck, a " government, institutional or community " site, some waterfront related commercial and leisure uses and key transport infrastructure including road p2 at grade, cwb underground, airport railway extended overrun tunnel and nil underground
中區填海第三期工程所得土地的主要用途，包括寬闊的海濱長廊新的天星碼頭及公眾碼頭"綜合發展區"內的中低高度商業樓宇及園景行人平臺"政府機構或社區"用地與海傍有關的商業及休憩用地以及主要運輸基建設施包括p2道路網地面中環灣仔繞道地下機場鐵路掉車隧道的延部份及地鐵港島北線地下。
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