pier dam 中文意思是什麼
pier dam
解釋
折流堤-
With the further economic growth and the implement of development of the western regions, hydroelectric construction in our country is undergoing rapid growth, anumber of high - dam power - station is in building or in programming. in view of its higher - head and larger magnitude of spill structure outlet, it is difficult for conventional concrete or reinforced concrete structure of pier and pier room to support its vast water pressure. coupled with the improvement of prestressed method, it has been the noteworthy tool in solving the problem
隨著我國經濟的加速發展及西部大開發戰略的實施，我國水電事業也迎來了迅猛發展的大好時機，一批高壩水電站正在建設或規劃之中，其泄水建築物孔口及水頭愈來愈大，常規混凝土或鋼筋混凝土閘室閘墩結構難以承受如此之大的水推力作用，隨著預應力技術的成熟，這一技術已成為解決該問題的關鍵技術措施之一。 -
Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers
結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考 -
A finite element numerical model for arch dam - gravity pier - foundation system was established to evaluate the effect of high gravity piers on the stress, deformation and anti - sliding stability of sizhai arch dam, taking the following factors into account, such as the possible elastoplastic deformation of foundation rocks and the nonlinear interaction between the interfaces of gravity pier - dam foundation, the joint surfaces beneath the right bank, and the interfaces of arch dam - gravity pier
摘要為評價高重力墩對四寨拱壩的應力變形和抗滑安全的影響，建立了拱壩重力墩地基系統的有限元數值模型，其中考慮重力墩基礎、右岸夾層和拱壩重力墩等交界面的非線性相互作用，以及基巖材料的彈塑性變形行為。 -
In order to optimize the perpetuation tensioning tonnage of prestressed pier anchor wire of goupitan arch dam, first the scheme contrast method is adopted to define the perpetuation tensioning tonnage combination of the primary and secondary anchor wire, but the optimization result is that the pull - anchor coefficient is too big ; then the body form of the pier is optimized ; finally the anchor wire perpetuation tensioning tonnage is optimized by using ansys optimization design module based on parametric fem, the optimization result is acceptable and the pull - anchor coefficient is lowered down
摘要為優化構皮灘拱壩中孔預應力閘墩錨索永存張拉噸位，首先採用方案優選的方法確定主次錨索永存張拉噸位組合，但優選結果拉錨系數偏大，再對閘墩體型進行優化，然後採用基於參數化有限元的ansys優化設計模塊對主次錨索永存張拉噸位進行優化，優化結果滿足應力控制要求，降低了拉錨系數。 -
Abstract : based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers
文摘:結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考 -
The study result indicated that the free vibration of the dam will be affect by opened hollow and pier added on dam
研究表明考慮孔口和閘墩對大壩的自振特性有一定的影響。 -
The study result that there is slightly stress concentrated in the aera of the dam which with opened hollow and pier added. by the tension stress is more over the design intension, we need more reinforcement to resisted the stress
結果表明在孔口和閘墩附近出現了程度不太嚴重的應力集中現象，但拉應力超出抗拉設計強度較多，有必要採取配筋等措施來抵抗動力作用下的拉應力。 -
For vibration mode - shape, this affect is more severity on high rank stage vibration than low. with opened hollow and pier added on dam, the frequency of vibration decline. although the array of low rank vibration mode - shape is changed, the dynamic characteristic of the dam not in evidence change
對于振型而言，這種影響對低階振型比高階振型大，考慮孔口和閘墩后，大壩的自振頻率有所降低；在低階振型中有一部分的排列順序（大小關系）發生了變化，但這些變化不致使大壩的動力特性發生顯著的改變。 -
The result of the study included two aspect : one is the affection when hollow opened and pier on arch - dam with statics calculation, earthquake response spectrum analysis and analysis of time - history i. e step - by - step integration analysis
本文完成的主要工作有兩個方面：一是通過靜力分析、反應譜分析和時程分析研究壩身開孔及閘墩對壩體整體動力反應的影響。 -
This article is part of the study of national item which is important part of high arch - dam earthquake protection. in the result of studying the effect to earthquake, the article analysis dam - stress at diference earthquake wave, to procure design parameter on the gate & pier areas
本課題是「九?五」國家重點科技公關項目中有關高拱壩抗震分析的組成部分，是在有關研究成果的基礎上，對已確定的壩型及其壩體及附屬物（閘墩、孔口）進行動力分析，確定有關設計參數，同時也是對以往研究成果的校核。 -
The hydro - pressure over - loading method and the strength reduction method were applied to numerical simulation of gravity pier - arch dam system, and the integral stability of the system was evaluated based on the suggested index for safety evaluation of the gravity pier
分別採用水壓超載法和折減強度參數法對重力墩拱壩系統進行數值模擬，並基於建議的重力墩安全評價指標對系統整體穩定性進行判定。
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