external water pressure 中文意思是什麼

external water pressure 解釋
外水壓力
  • external : adj 1 外部的,外面的;【哲學】外界的,客觀的,物質的。2 表面上的 (opp intrinsic); 膚淺的,淺薄...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • pressure : n 1 壓;按;擠;榨。2 【物理學】壓力,壓強;大氣壓力;電壓。3 精神壓力,政治[經濟、輿論等]壓力。4...
  1. Through experiment study of tank model under prestress, water pressure, temperature action, external loads, and coactions of all the loads, stress characters of various parts of concrete tank are analyzed

    通過大量算例,對構件組合和變溫差異對熱應力的影響問題進行了分析。並根據分析結果提出了一種新的罐體結構型式。
  2. ( 8 ) as for the runnel which is located at a karst zone with a high water level, external water load is the main one, and rock pressure is secondary

    門)在巖溶富水區隧道地下水水頭較大時,外水荷載是襯砌結構的主要荷載,圍巖壓力相對來說是次要荷載。
  3. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋,分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模;拆裝式和液壓式兩種模板的設計、製作要求和使用方法;綜合考慮、優化混凝土配合比,混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝,蒸汽養護的方法和規定;應力應變雙控制確保預應力施工質量的施工技術;採用重物移運器有效移梁的施工方法;壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法,並可為以後類似施工作借鑒。
  4. Shkp follows international trends and is always looking for new ways to achieve the highest quality. it was the pioneer developer to employ new technologies such as infrared detector to check external walls, high - pressure water jets to test windows and laser levellers to inspect floors

    新地經常到海外考察,參考國際一級企業所厘訂的基準,又不斷引進新技術提高質素和效率,例如新地率先應用以紅外線科技測試外墻用高壓水槍全面測試鋁窗以鐳射平水儀檢查地臺等。
  5. The lining of a tunnel in the area with high groundwater table does not bear high external water pressure in - normal, the surrounding rock reinforced by intrusion concrete does it. in the case, the groundwater through reinforced rock accumulated in the space between lining and rock must be drained in time

    一般鐵路隧道通過高水位富水區時,不用襯砌直接承受較高的外水壓力,要實現這個設計目標必須做好襯背的排水工作,使通過加固圈滲透過來的水量及時排走,及時削減累積的水量。
  6. Key issues including water plugging types, waterproof board spreading methods, drop of external water pressure and lining design for resisting hydraulic pressure, etc. were studied, thus the composite waterproof and drainage system to control drainage were put forward, including grouting sphere for water plugging, primary support, grid sysytem for waterproof and drainage and lining to resist hydraulic pressure

    重點就堵水方式、防水板鋪掛形式、外水壓力的折減以及抗水壓襯砌設計等技術問題進行了研究,提出了可通過注漿堵水圈、初期支護、防排水網格和抗水壓襯砌形成綜合防排水體系,它可以達到控制排放的目的。
  7. Water - fittings for house installation ; steal tube nozzles with external thread, flat sealing up to working pressure of 10 bar

    家用安裝水管配件.壓力為10巴的平密封墊帶外螺紋的鋼
  8. Stress decreases rock seepage character in elastic stage, while erosion damage increases it. under some conditions, the influence of stress to seepage may be shielded by erosion damage. obtaining the distribution of seepage field, tunnel external water pressure can be calculated in two ways : 1

    高應力使裂隙閉合,一般是降低巖體的滲透性,而水化水力損傷則增加巖體滲透性,在腐蝕損傷發育到一定階段,應力對滲透性的這種影響則可能會被屏蔽。
  9. In order to calculate the high external water pressure, the rock seepage field and external water pressure coefficient should be treated in detail. concentrated on the questions of high external water pressure and flow of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied, the high external water pressure of jinping cascade 2 hydropower station is analyzed and studied in detail

    本文在總結前人研究成果的基礎上,圍繞深埋隧洞的突涌水和高外水壓力問題,系統地研究了深埋隧洞襯砌水荷載和外水壓力的作用機理及計算方法等理論,並對錦屏二級水電站深埋引水隧洞的外水壓力問題進行了詳細的分析和研究。
  10. ( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward

    ( 2 )採用有限元離散?優化法進行參數的反演分析; ( 3 )針對深埋隧洞的高外水壓力問題,進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法; ( 4 )以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象,採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬,並對其外水壓力進行了分析和研究,提出了滲流控制的具體措施。
  11. Valves for domestic water supply ; nipples and unions nominal pressure 10 ; exhaust nipples with external threads

    家用供水管道的閥門.公稱壓力為10的螺紋連接管和聯管
  12. It is used for heating in electric water heater. we can design different kinds of specifications and external dimension heaters which have passed strict safe performance test and still pressure test with safety and reliability

    本系列加熱器用於電熱水器加熱水,可根據用戶要求,設計生產各種規格型號及外形尺寸的加熱器,產品經嚴格的安全性能測試及靜水壓力試驗,使用安全,性能可靠,經久耐用。
  13. After reading some papers about external water pressure of deep tunnel, talking about several opinions about disadvantages that exist in the external water pressure of deep tunnel

    摘要閱讀了有關深埋隧道外水壓力文章后,對其中的幾個問題提出自己的見解。
  14. To reply the inquiry of several scholars on " the simulation of tunnel external water pressure by analytical - mathematical method ", the coefficient method, localization of pure numerical method, analytical - mathematical method relating to the calculation of tunnel external water pressure, together with the detail of the example in that paper, are discussed in the paper

    摘要針對有關學者對《深埋隧道外水壓力計算的解析數值法》一文的討論,探討了隧道外水壓力計算中作用系數法、單純數值方法的局限性、解析數值法以及與計算實例等相關的幾個問題。
  15. Numerous deep lying tunnels are adopted with the water project construction transferring to the south - west area of china, the high external water pressure and flow are the most important problems faced in the tunnel design and construction

    隨著我國水電建設逐步向西南轉移,深埋隧洞方案大量被採用,而深埋隧洞的高外水壓力和突涌水問題已成為目前隧洞設計和施工中亟待解決的難題。
  16. This system uses a jet - flow unit nozzle to trigger hot water dynamics, converting the heat into pressure differentiation that draws external air into the tower for heat exchange to attain cooling

    ( 2 )以一噴流單元之噴嘴引發熱水動能、轉換成壓力差,引外氣進入塔內作熱交換,達到冷卻的目的。
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