three-element arch 中文意思是什麼
three-element arch
解釋
三分拱-
( 2 ) according to the forming model of the deep pull cracks, they can be divided into three classes pulled cracks -, pressed cracks and sheared cracks. ( 3 ) based on the two - dimensional and three - dimensional finite element methods. the following results can be affirmed : in the slope excavating process, the base surface will rebound in the direction of the excavating surface ' s excerior normal. the maximal displacements of the left and right bank are + 3. 6cm and + 2. 4cm ; the arch abutment will rebound in the direction of the river valley, the maximal displacements of the two bank are + 3. 5cm and + 2. 2cm ; the upstream and downstream surface will rebound in the direction of the normal direction. the maximal displacements are + 2. 1cm and + 1. 7cm. ( 4 ) the natural slope is stable
（ 3 ）通過二維及三維有限元分析得知，左右岸拱肩槽邊坡在開挖過程中，開挖底面主要表現為朝開挖面外法線方向發生回彈，左右岸最大位移量分別為+ 3 . 6cm 、 + 2 . 4cm ；拱端面主要表現為向河谷方向發生側向回彈，左右岸最大位移量分別為+ 3 . 5cm 、 + 2 . 2cm ；上下游坡面主要表現為向臨空方向的回彈，左右岸最大位移量分別為+ 2 . 1cm 、 + 1 . 7cm ；開挖使巖體產生由卸荷回彈導致的傾倒拉裂現象。 -
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。 -
In this article, according to three - dimension finite element theory and heat conduction theory, the computation program of simulating thermal stress field of rcc arch dam during construction and service is researched and developed
本文採用三維有限元法和熱傳導理論，研究開發了碾壓混凝土拱壩施工期和運行期溫度應力場全過程的模擬計算程序。 -
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。 -
Analysis of ouyanghai thin arch dam considering temperature variation loads with three - dimensional nonlinear finite element method
考慮溫變荷載分析歐陽海薄拱壩的三維非線性有限元法 -
In this paper the different middle wall ' s mechanical behavior on different rock mass has been simulated by establishing the three - dimensional finite - element model of the shallow double - linked - arch tunnel, and the basic loading law of the middle wall is obtained, then the proper form of middle wall under different rock mass during constructing the shallow double - linked - arch tunnel is given, which offers foundation for the design of middle wall in double - linked - arch tunnel
通過建立雙連拱隧道的三維有限元模型，模擬了不同圍巖級別條件下淺埋雙連拱隧道不同中墻形式的力學行為，得出了中墻的基本受力規律，提出了不同圍巖級別條件下修建淺埋雙連拱隧道所採用的合理中墻形式，為雙連拱隧道的中墻設計提供依據。 -
The three dimensional finite element method is used to simulate dynamic and statical analysis of a multispan stone arch bridge
摘要應用三維有限元程序對某一多跨度石拱橋整體結構進行了動靜力模擬分析。 -
Based on the materials properties of rolled compacted concrete dam, three - dimensional finite element relocating mesh method is used to simulate the temperature field of a rcc arch dam from construction to operation period
摘要依據碾壓混凝土壩的材料特性，採用三維有限元浮動網格法對某碾壓混凝土拱壩施工期至運行期溫度場進行了全過程模擬分析。 -
In this paper, with complete calculation micro - mechanics method, mass concrete was taken as three - phase composites, which consists of mortar matrix, aggregate and bond between matrix and aggregate. with nonlinear finite element method, the simulation of static and dynamic mechanics performance of the uniaxial compress concrete specimen of dongjiang arch dam and simple supported beam specimen of xiao wan arch dam was studied by means of the software of msc. marc. the number of all kinds of mortar matrix was calculated according to grading of aggregate of three graded concrete and walraven function
本文採用完全細觀計算力學方法，將大體積混凝土在細觀層次上看成是由粗骨料顆粒、硬化水泥砂漿及其二者之間的粘結界面組成的非均質復合材料，採用非線性有限元方法，在對大型商業有限元軟體? msc . marc二次開發的基礎上，對東江拱壩的三級配混凝土軸壓試件、建設中的小灣拱壩三級配混凝土梁試件在靜、動荷載下的力學性能和破壞過程進行了數值模擬。
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