較場壩 的英文怎麼說

中文拼音 [jiàochǎngbà]
較場壩 英文
jiaochangba
  • 較 : Ⅰ動詞1 （比較） compare 2 [書面語] （計較） dispute Ⅱ副詞（比較） comparatively; relatively; fair...
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 壩 : 名詞1 （攔水建築物） dam2 （固堤建築物） dyke; embankment 3 [方言] （沙灘; 沙洲） sandbar; sandba...
  1. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文根據熱傳導理論、彈性徐變理論及有限元理論，用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。
  2. Results show that the computed water level and velocity accord well with measurements, the flow module nearby the submerged dikes obeys the law of hydraulics satisfactorily

    驗證結果，計算的水位流速與實測值吻合較好；流場模擬結果符合潛壩水流運動的一般規律，令人滿意。
  3. In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material

    本文首先根據散拋石壩損毀情況的現場調查資料，結合有關專家多年的整治經驗，總結出壩體的損毀原因及影響因素；對現有塊體穩定性的研究成果進行回顧和總結，並針對散拋石壩的直接損毀現象，結合山區河流的水流、地形特點，利用塊體粒徑與起動流速的關系，提出塊體穩定重量與起動流速高次方成正比的概念，流速50的增長可能導致塊體穩定重量接近40倍的變化；通過二維變坡水槽試驗，研究了壩體穩定的主要影響因素，包括塊體重量、壩頂水深、斷面尺寸、塊體材料（塊石和卵石兩種） 、護底等，結果表明對于山區河流，試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微；最後，根據西部地區的自然、經濟、交通等條件，提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施，以期取得良好的工程效果。
  4. ( 5 ) conclusion was obtained by the analyzing and studying the mechanics environment of the rock mass and the landslide on right bank : according to the analysis, the present direction of the maximal principle stress was consistent with the present tectonic stress field, the value of the principle stress increased or reduced in special place, and there was tensile stress region at the 2000m or above it on the left bank, the accumulate and adjustment was very limited in 200 years, the calculated result of the landslide indicated that the landslide on the right bank was stable under the various conditions

    （ 5 ）壩址區河谷巖體力學環境及右岸古滑坡體的穩定問題分析得出：河谷巖體應力場的分析顯示，河谷巖體中主應力的方向基本上與現今區域構造應力場的方向一致，在一些特殊地帶巖體的主應力值有所降低或增高，特別是在左岸的2000m高程附近及以上，存在有明顯張應力區。在未來200年流變計算時步范圍內，河谷巖體應力的積累與調整較為有限。同時對滑坡體各種工況條件下的穩定性計算結果表明，右岸古滑坡體在各種工況條件下是處于穩定狀態的。
  5. In this article, according to heat conduction theory and finite element theory, the temperature field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, thermal insulation change, surrounding temperature change and water storage on temperature field in the arch dam are also considered

    論文根據熱傳導理論及有限元理論，用三維有限元浮動網格法對施工期和運行期溫度場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、絕熱溫升過程及壩體材料分區、水庫分期蓄水和環境溫度變化等因素對壩體溫度場的影響。
  6. Based on the construction schedule and thermodynamics parameters of certain rcc arch dam, the temperature and stress fields during construction and service are simulated and computed, and also the computation results are compared with the practical observation data ; the comparison results show that the computation results are reasonable

    根據某工程碾壓混凝土拱壩施工過程和材料熱力學試驗參數，進行了施工期和運行期溫度場和應力場模擬計算，計算成果與施工期觀測資料進行了對比分析，二者吻合較好。
  7. By applying " none homogeneous multi - laminate element ", hong - kou rcc gravity dam ' s simulation computing of temperature field and stress field at construction period and operation period for all courses and many factors. e. some kinds of methods are discussed in detail for temperature field back analysis, and artificial neural network method for back analysis of thermal parameters of concrete is suggested

    應用「非均質層合單元法」實現了洪口碾壓混凝土重力壩施工期、運行期全過程多因素的溫度場及徐變應力場的模擬計算，進行多方案的比較分析，推薦出優選溫控防裂方案，取得了非常滿意的成果。
  8. In this paper the temperature field and thermal - creep - stress field in roller compacted concrete overflow dam during construction and operation are simulated and the distribution law of them are systematically studied by an example

    本文通過一典型算例對碾壓混凝土溢流壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析，較為系統的研究了碾壓混凝土溢流壩施工期和運行期溫度場、溫度徐變應力場的分佈規律。
  9. ( 6 ) 3d integer model of spillway and frusta of brake are established and numerical computation of 3d viscous flow over spillway is completed. the influence of frusta of brake for design parameters such as shape of free surface, pressure on dam, flux coefficient is computed aim at type of frusta of brake and disposal on dam and compute result of different type of frusta and disposal model is compared

    6 ）通過建立溢流壩和閘墩的三維整體模型，完成了對三維過壩水流粘流場的數值計算，針對閘墩的型式及在壩面的布置計算了閘墩對水面線形狀、壩面壓力、流量系數等設計參數的影響，並將不同墩型與布置形式的計算結果進行比較。
  10. This paper, based on collecting many empirical determinations of strength parameter for jointed rock masses all over the world, puts forward the improved empirical determination of strength parameters, that is to say, " size effect reduction factor " and " jointed rock reduction factor " of the intact rock specimen for the study on jointed rock mass strength parameter, and applies to the a typical location of the dam, which proves that this methodology is feasible and rational, and a new way for study of strength parameter in jointed rock masses is established

    在大量收集國內外節理巖體強度參數經驗確定方法的基礎之上，提出了改進的節理巖體強度參數經驗的確定方法，即對完整巖石進行「尺寸效應折減」與「節理化折減」的二次折減法，並應用於某壩址區工程實例中，所得的計算值與現場實測抗壓強度值接近，較以往的經驗確定方法更加準確，證明了節理巖體強度的降低是尺寸效應與節理化綜合作用的結果，為節理巖體強度參數的研究提供了一條新的思路。
  11. In order to study the characteristics of the stepped spillway overflow comprehensively and seek for the measure to increase the energy dissipation of the stepped spillway at large unit discharge, the method of turbulence numerical simulation and model test are used to study the stepped spillway overflow. in view of the curved free water surface, complicated boundary condition and turbulence flow, it very difficult to simulate the stepped spillway overflow

    為了對階梯溢流壩面流場特性進行全面的研究，同時探求在大單寬流量下提高階梯溢流壩消能率的措施，本文採用紊流數值模擬與實驗相結合，數值計算為主、實驗為輔的研究方法對階梯溢流壩面流場進行了較系統深入的研究。
  12. To characteristic of dam construction period, viscoelastic finite model of dam and foundation rock mass during construction period is analysis. based on field theory, method of founding dam safety monitoring tune - spatial distribution model during construction period is discussed, including statistic time - spatial distribution model, deterministic time - spatial distribution model and hybrid time - spatial distribution model. furthermore, neural network model, which has better nonlinear mapping capability, is studied and founded

    （ 3 ）針對大壩施工期的特點，研究了壩體和基巖施工期粘彈性有限元分析模型；基於場論理論，探討了建立施工期大壩安全監控時空分佈模型（統計時空分佈模型、確定性時空分佈模型和混合時空分佈模型）的方法；同時，研究並建立了具有較強非線性映射能力的神經網路模型。
  13. The 3 - d simulative calculation program concerning temperature field and creep stress field applying pipe cooling is conducted by adopting more advanced simulation technique. thereby an effective method is suggested for computing the temperature field and stress field of mass concrete. that method can simulate precisely for rcc ( roller compacted concrete ) dam which constructed layered

    採用了較為先進的模擬技術，編制了可以考慮水管冷卻的混凝土結構溫度場及徐變應力場三維模擬計算程序，實現了完整模擬碾壓混凝土壩分層施工的實際過程的溫度及應力的模擬計算。
  14. Based on the survey, detection in the fields and theory researches, the reasons of forming cracks have been completely studied. it is reference valuable for searching the strengthening measures of cracks and feasible scheme of strengthening dam in the cool regions

    在現場調查、檢測和理論研究相結合的基礎上，對裂縫成因進行了較全面的分析，對尋求裂縫補強方法和東北寒冷地區大壩補強加固可行方案的提出具有參考價值。
  15. The disadvantage is that small variations in coastlines such as bays and inlets cannot be resolved. the bay model complements the first by using a very fine grid to resolve those geographic features such as bays and inlets at which storm surge observations are absent and where storm surge information is required as design parameters for coastal structures such as embankments

    而港灣風暴潮模式的覆蓋范圍較小，這模式利用一套非常密集的網格點來計算出例如港灣和河口等地理位置的風暴潮資料以補開闊海岸模式的不足。當建設沿岸工程如堤壩等需要參考港灣和河口的風暴潮資料而又沒有這些紀錄時，這套模式便派上用場。
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