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- Studies on hydraulic fracture of high concrete gravity dam were carried out with the interface model developed. 同時(shí)，利用所建立的考慮縫面水壓的接觸面模型對高重力壩壩踵水力劈裂展開(kāi)了初步研究。
- The first use of high pressure jet and wash technology in foundation treatment of gravity dam is presented. 文中介紹了高壓噴射沖洗工藝首次在我國重力壩基礎處理上的應用。
- So the author opens out the system of Gravity dam CAD in ObjectARX and VBA on the base of AutoCAD 2000. 所以作者設計重力壩 CAD系統的開(kāi)發(fā)是利用 ObjectARX、VBA對 AutoCAD 2000進(jìn)行的二次開(kāi)發(fā)。
- Firstly, according to the actual structure of gravity dam, three dimensions substance geometry model is built with Pro/Engineer. 首先,根據重力壩的實(shí)際結構,應用Pro/Engineer建造其三維實(shí)體幾何模型。
- It also includes a consideration of possible alternatives, such as a concrete gravity dam or an earth-fill embankment dam. 還要考慮到可能的備選方案，比如是選擇混凝土重力壩還是選擇填土筑堤大壩。
- The Tuka hydropower project is a medium-sized hydropower development with a roller compacted concrete gravity dam in Yunnan province,China. 云南土卡河水電站是一個(gè)中型水電工程,攔河壩為碾壓混凝土重力壩。
- Wushe reservoir has a gravity dam with a linear shape and thick base. 6.Atop the dam is a water outlet to relieve flooding. 7. 圖5：霧社水庫采用混凝土重力壩，壩型呈直線(xiàn)，底厚上薄，重心在壩底，圖6：霧社水庫壩頂排洪道。
- 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(guān)重要,個(gè)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。
- A method for analyzing aseismic reliability of gravity dam is put forward in this paper. It is significant in theory and practice and is very convenient. 本文介紹了一種重力壩地震動(dòng)力可靠度分析方法，方法簡(jiǎn)便適用，具有一定的理論和實(shí)際意義.
- Some statistic laws are discussed about the gravity dam's seismic responses of accelerations and stresses changing with the dam height and the foundation stiffness. 同時(shí)分析了重力壩地震響應加速度和動(dòng)應力隨壩高和壩基剛度變化的統計規律。
- The structure of the dam body and the diversion waterway of the 21st monolith of Longtan Roller Compacted Concrete(RCC) Gravity Dam is analyzed based on 3-D finite element method. 采用三維有限元法,對龍灘碾壓混凝土重力壩21壩段壩體及引水道組合結構進(jìn)行了分析。
- Aimed at the design demands of high RCC gravity dam for Longtan project that is about to start,the results of studies will provide the important reference basis. 研究工作針對龍灘高碾壓混凝土重力壩設計的需要，其成果為即將開(kāi)工的龍灘工程建設提供了重要的參考依據。
- The rigidity distribution of the gravity dam is usually determined with many difficulties because of complication of its geometry and the connection with the adjacent portion of the reservoir, as well as the action of hydrodynamic pressure. 重力型擋水壩的型體及與相鄰壩段的連接都很復雜,加之還有動(dòng)水壓力的作用,結構剛度分布不易清楚確定。
- In this paper the concrete of gravity dam and the bedrock are considered as two different liner elastic materials and the cracks in the vicinity of dam heel are analysed as ones at the interface between two materials. 本文將重力壩壩體混凝土和壩基巖石分別視為兩種線(xiàn)彈性均質(zhì)材料,并將壩踵裂縫簡(jiǎn)化為兩種介質(zhì)材料交界面上的裂縫問(wèn)題。
- The gravity dam supported by self weight for maintaining its steadiness is a kind of darning building , which is used as a kind of dam type most early, that has the history of 5 000 years approximately. 重力壩是依靠自身重量維持穩定的一種擋水建筑物,是人類(lèi)最早使用的水壩壩型之一,約有5000年的歷史。
- Regarding with the most destabilization of the gravity dam foundations with weak intercalary strata, it is possible to determine the third angle of rupture for stable dam foundations. 第三破裂面傾角根據壩基深層抗滑穩定最不利的情況確定。
- The security and stability of the stone-lined hollow gravity dam of Gaoyan Rese rvoir is analysed by using the method of structural mechanics and three-dimensi onal finite element method. 分別用結構力學(xué)法和三維有限元法對高巖水庫漿砌石空腹重力壩的安全和穩定性進(jìn)行了校核。
- With the help of seepage back analysis result,the structure safety properties of Dongfanghong Reservoir masonry gravity dam is calculated and analyzed by material method and FEM method. 利用滲流反演成果,采用材料力學(xué)法和三維有限元法對東方紅水庫漿砌石重力壩的結構性態(tài)進(jìn)行了計算分析。
- Considering the material parameters and the load changeability, the reliability of intensity and stability for the concrete gravity dam is researched with the method of Monte Carlo simulation. 應用蒙特卡羅模擬方法,考慮材料參數和荷載的變異性,對混凝土重力壩強度和穩定性的可靠性分別進(jìn)行了研究。
- The three-dimensional finite element analysis of anisotropic brittle dynamic damage mechanism for gravity dam and rock foundation subjected to the blast-impact load has been carried out. 以連續損傷力學(xué)為基礎,用三維動(dòng)力損傷有限元模型分析混凝土重力壩及其巖石基礎在爆炸沖擊荷載作用下的各向異性脆性動(dòng)力損傷問(wèn)題。
