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- Research Development of Safety Analysis for High Concrete Dam. 高混凝土壩安全分析方法的研究進展。
- With concrete dam ageing, the change takes place in it's deformation modulus. 隨著壩齡的增長,混凝土大壩的變形模量將發生變化。
- The thermo stresses in the concrete dam will produce because of changing of weather temperatures. 由於氣溫的交替變化,處於寒區的混凝土大壩必然產生溫度應力。
- Therefore it provides a new effective way for discerning elastic parameters of concrete dam body and rocky foundation. 從而為識別混凝土壩體和岩石基礎彈性常數提供了一條新的有效途徑。
- The physical equation and elastic matrix for the rolled concrete dam is deduced based on the anisotropic elasticity. 由各向異性體的物理方程推導了碾壓混凝土的物理方程和彈性矩陣。
- The conclusion shows the characteristics of RCD concrete dam stress field in the very cold area and it will be helpful for design and construction. 模擬計算結果揭示了北方寒冷地區碾壓混凝土壩溫度應力的特徵,從而為混凝土入倉溫度控制標準的制定和邊界保溫方法的選擇提供依據。
- A new method for anti - seepage coating of roller compacted concrete dam by using wet - mix shotcreting polyacrylate emulsion cement mortar(PAE mortar) is presented in this paper. 針對碾壓砼壩上游面的防滲,提出了濕法噴塗丙乳砂漿集中防滲的新方案。
- Simulation and Study on the Effect of Pipe Cooling for Concrete Dam 混凝土壩冷卻水管冷卻效果模擬計算研究
- The concrete in concrete gravity dam,especially in RCC dam,is a stratified structure,so that its stratification feature is key to the safety of concrete dam. 在混凝土重力壩尤其是碾壓混凝土壩中,混凝土為成層結構,因而層面特性對混凝土壩的安全至關重要,個別壩段水平薄弱面的存在對混凝土壩的整體安全性有重要影響。
- As the limit state equation of concrete dam is highly nonlinear and can t be expressed in an explicit form,the adaptive importance sampling method is suggested in this paper. 在大壩可靠度計算中,其功能函數具有高度非線性和無法顯式表達的特性,解決此類問題的常用方法有響應面法、蒙特卡羅法、重要抽樣法等。
- In recent years, there has been a big advancement in the rolling concrete dam construction, but there still exist some problems in the impervious structure. 碾壓砼築壩近年來已有了很大發展,但其防滲結構方面仍存在問題。
- Based on qualitative analysis,the observational data of compression stress metre in a concrete dam have been analyzed quantitatively in this paper by mathematical mode. 在定性分析的基礎上,通過建立數學模型,對某混凝土壩壓應力計觀測資料進行了定量分析。
- In combination with the progress on construction technology in RCC dam and conventional concrete dam in China in recent years, a new concept RCC dam is further discussed. 結合我國近年來在碾壓混凝土壩和常態混凝土壩的進展,再論新概念碾壓混凝土壩。
- Now ,the construction technique of rolled concrete dam with high temperature condition is one of the most attended research subjects by the domestic and foreign RCC constructers . 高溫條件下碾壓混凝土壩(RCC)施工技術已成為國內外從事RCC工作者最受關注的研究課題之一。
- Abstract: Based on the results of percolation test for core samples from a certain roller compact concrete dam in China, this paper presents a summary review on the law of precolation features of roller compact concrete. 文摘:根據國內某碾壓混凝土工程壩體芯樣滲透特性試驗成果,對碾壓混凝土滲透特性規律進行了總結評述。
- In the paper, Combining with engineering examples, based on the characteristics of the corrosion to concrete dam, when implementing the above-mentioned code, the main points and method of evaluating the corrosion from water to concrete dam are proposed. 該文結合工程實例分析 ,依據水對混凝土壩腐蝕的特點 ,提出了執行該規範時對水壩混凝土受水腐蝕的評價要點和方法
- Based on the characteristics of the crossfeed surface between the concrete dam body and foundation,the evaluation index and classification model for the crossfeed surface are established by using the dominant surface theory. 基於混凝土壩壩體與壩基互饋作用面的特性;運用優勢面理論建立了壩體與壩基互饋優勢面的評價指標和分類模型.
- The turning section of the concrete dam on the right bank of Danjiangkou dam shows and ogee on plane, of which periodical deformation occurs under the impact of temperature for a long period. 摘要丹江口大壩右岸混凝土壩轉彎壩段在平面上呈凸向下游的反弧形,在氣溫長期影響下出現周期性變形。
- The turning section of the concrete dam on the right bank of Danjiangkou Dam shows an ogee on plane, of which periodical deformation occurs under the impact of temperature for a long period. 丹江口大壩右岸混凝土壩轉彎壩段在平面上呈凸向下游的反弧形,在氣溫長期影響下出現周期性變形。
- On the base of the previous work, slip and seepage risk analysis model of earth dam is founded, simultaneously, security early warning index of concrete dam and earth dam is lucubrated. 本文在總結前人研究成果的基礎上,對土石壩失穩破壞和滲透破壞的風險分析模型,以及混凝土壩、土石壩的安全預警指標進行了深入的研究,主要成果如下。