dam concrete 中文意思是什麼

dam concrete 解釋
壩混凝土
  • dam : n 1 水閘，壩，堰。2 壩中的水。3 【礦物】坑道堰。4 （牙科用的）橡皮障。5 〈比喻〉障礙。vt 1 築水閘...
  • concrete : adj 1 具體的，有形的；實在的，實際的。2 固結成的，混凝土製的。3 圖案詩歌的（參閱concrete poetry）...
  1. If magnitude of expansive stress caused by adscititious magnesia is too large, or its distribution is not uniform, it trends to damage the structure of cement concrete, and then affect seriously dam durability

    如果氧化鎂混凝土膨脹量過大或不均，都將破壞水泥混凝土結構，影響耐久性，甚至局部崩裂造成安全事故。
  2. Stress analysis of the rock fill dam with asphaltic concrete core wall

    冶勒堆石壩瀝青混凝土心墻型式及尺寸研究
  3. Hyperbola model of mgo - mixed concrete ' s autogeny deformation, especially deduce of the model ' s parameter and building process of the model are analyzed in detail. ( 2 ) calculating method of autogeny deformation and creep are discussed. based on these, timely - simulation theory of dam body ' s temperature field stress field and pre - process back - process method are mainly studied

    （ 2 ）對mgo混凝土的自生體積變形及徐變變形的計算方法進行了探討，在此基礎上，重點研究了壩體溫度場和應力場實時模擬的原理以及前後處理方法。
  4. Hebgen dam, an earthfill structure with an unreinforced concrete corewall located on the madison river at its entrance to madison canyon.

    赫布根壩是土築的結構，在麥迪遜河進入麥迪遜峽谷處有一個無加固凝土的芯墻。
  5. On the basis of collecting and arranging a large amount of projects experience, conbined with construction diversion flood passing measures design and hydraulic model test of lihua hydraulic pawer station in 1995 and 1996, the dissertation studies the issues related with characteristics of concrete face rockfill dam including the selection of construction diversion flood passing standard and measures, flood passing during construction period and embankment stage, coffer dam design, construction scheme and general schedule etc. and present preference for project construction

    本文在搜集整理大量工程經驗的基礎上，結合蓮花水電站在1995年及1996年導流渡汛工程措施設計及水工模型試驗，對混凝土面板堆石壩的導流渡汛標準、導流方式及其選擇、施工期渡汛及壩體填築分期、圍堰設計以及施工方案及總進度等與混凝土面板堆石壩特點有關的問題進行研究，為工程建設提供一定的參考。
  6. Applying placement asphalt concrete core wall in rock - filled dam

    澆築式瀝青混凝土心墻在堆石壩上的應用
  7. There are some disadvantages on traditional construction method of the transition material 2b on upstream face of concrete face rockfill dam, i. e. overtopping, slope - cutting and incline compaction

    混凝土面板堆石壩上游坡面傳統的墊層料超填、削坡、斜坡碾壓的施工方法存在許多弊端。
  8. Study and analysis of non - penetrative induced slot fracture ; performance of roller compacted concrete arch dam

    碾壓混凝土工拱壩非穿透型;誘導縫斷裂特性研究與分析
  9. Application of concrete extrusion sidewall in face rock - fill dam in shuanghekou

    混凝土擠壓邊墻在雙河口面板堆石壩中的應用
  10. The studies may indicate that an earthfill dam with a center concrete gravity overflow spillway section is the most economical, in a wide flat valley.

    方案表明，在寬闊而平坦的河谷內，一種在中間段設置混凝土重試溢洪道的土壩是最經濟的。
  11. Based on seismic wave method, borehole acoustic method and indoor rock mechanics test, the dynamic and static parameters of the foundation rock for the toe slab of the concrete face rockfill dam for shuibuya hydropower station are tested, and then the relationship among the rock quality, dynamic parameter and static parameter are established with the parameters obtained from the test, furthermore, the classification and the quality evaluation are made as well

    摘要採用地震波法、鉆孔聲波法以及室內巖石力學試驗法，對水布埡水電站面板壩趾板建基巖體進行了動、靜參數測試，並根據所獲的參數建立了巖體質量、巖體動力學和靜力學參數三者之間的相關關系，對工程巖體進行了質量分級和質量評價。
  12. In the dam foundation restraint area, mgo can be mixed into concrete to prevent dam longitudinal crack. research on autogenous volume change of rcc mixed with mgo, and research on thermal stress compensation of darn foundation prove that rcc mixed with mgo plays a role in dam crack control

    在材料措施方面，深入研究高碾壓混凝土壩基礎約束區採用外摻mgo措施，利用其微膨脹性能補償壩體降溫過程中產生的溫度應力，以防止大壩縱向裂縫的發生。
  13. In the program, 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 are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method

    該程序在編制過程中考慮了混凝土分層澆築、施工間歇、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場及溫度應力場的影響，同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。
  14. 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。
  15. The technique of dam construction by weakly expansive concrete added with magnesia ( wecam ) is a new technique developed in china, in which appropriate light - burnt magnesia is added to dam concrete when produced to generate a special delayed expansive stress to compensate shrinking stress due to decrease of temperature so as to prevent concrete cracks. it not only is in favor of simplifing the method of temperature control and an effective solution to the crack problem of concrete dam, but also simplify the technology of dam construction and bring down the project cost, further more, speed greatly up the construction of concrete dam

    外摻氧化鎂微膨脹混凝土築壩技術是指在生產大壩混凝土時，摻入適量的輕燒氧化鎂，利用其特有的延遲膨脹補償混凝土壩的溫度應力，以防止混凝土壩產生的裂縫，這不僅有利於簡化溫控措施，有效地解決混凝土壩的開裂問題；而且簡化了施工工藝，降低了工程造價，大大了加快施工進展。
  16. ( 3 ) generally, dam and base are operated in material viscidity status. by studying on the creep model of dam concrete and base rock, and combined them together, the coupling model of these factors is bringing forward

    （ 3 ）通過研究壩體混凝土徐變模型和壩基巖體的蠕變模型，並將兩者有機結合，分別針對混凝土重力壩和拱壩，提出了考慮壩體徐變和壩基蠕變相互作用的組合模型。
  17. Cited with the temperature field model, it is made the equation of temperature component more right in the paper. applied the data of dam concrete ' s slow changing and dam foundation ' s flow changing, it is decided time independent by their relationship

    引用溫度場模型，使溫度分量表達式更加確切，以及利用壩體混凝土的徐變資料和基巖的流變資料，建立本構關系求解時效分量。
  18. Two parts of the main work in the dissertation include the packing technique of random aggregates of dam concrete and the investigation on damage parameters and their evolving relation of dam concrete and various phrase of meso - structure

    本文研究有兩方面的內容，一是對混凝土隨機骨料投放技術的研究，二是對混凝土及其細觀各相材料損傷變量及其演化關系的探討。
  19. Using the new numerical model for reinforced joint with consideration of the bond and slip between reinforcing bars and surrounding dam concrete, the 3d fem nonlinear analysis for 292m high xiaowan arch dan under design load working conditions of earthquake was conducted, and the effects of different kinds of reinforcement on stress, slip and transverse joint openings were studied

    摘要利用考慮橫縫及跨橫縫鋼筋滑移的拱壩動力非線性模型，對設計地震荷載工況下的小灣拱壩進行了三維動力非線性有限元分析，研究了不同配筋率分佈對跨縫鋼筋的應力、滑移量及其控制橫縫變形的影響。
  20. In consideration of the particular structures of concrete dams and their influence on the deformation behavior of the dams, the mathematical and mechanical knowledge, such as gray system theory, fuzzy mathematics, viscoelastic plastic theory, together with the knowledge of dam engineering and structural analysis methods, are introduced into this dissertation, which performs relatively detailed study on the mathematical monitoring model of deformation, the inverse analysis of mechanical parameters of dam concrete and rock foundation, deformation procedure, abnormal symbols and the comprehensive appraisal methods of the deformation behavior of concrete dams with particular structures

    本文針對特殊結構混凝土壩的特殊結構對大壩變形的影響，應用灰色系統、模糊數學、粘彈塑性力學等理論，結合壩工理論和結構分析方法，對特殊結構混凝土壩的變形監控模型、參數的反演、變形過程和轉異特徵以及大壩變形性態綜合評價方法等進行了分析研究。
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