模壓混凝土 的英文怎麼說
中文拼音 [móyāhúnníngtǔ]
模壓混凝土
英文
stamped concrete-
Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.
基於本文提出的溫度場和徐變應力場模擬模型理論，編制了高碾壓混凝土壩的三維有限元模擬計算程序，在程序中考慮了各種溫控措施的數值模擬，包括：水管冷卻、冬季保溫、降低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。Analysis of hydraulic system in slip - form concrete paver
滑模式混凝土攤鋪機液壓系統分析Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。Study on calculation model for temperature field of roller compacted concrete lifts
碾壓混凝土澆築層溫度場計算模型研究Comparative analysis of structural model destruction tests of two arch dams
兩座碾壓混凝土拱壩結構模型破壞試驗對比分析Mechanical properties of roller compacted concrete
碾壓混凝土力學特性及本構模型研究The scale and height of rolling - concrete are spread increasingly, such as the technique studied recently that the 300 meters high gravity dam and the 200 meters high arch dam, which requires more experience in the damming technique, construction crafts and mechanization
目前，碾壓混凝土壩的規模和高度正在日益擴大， 300m級的碾壓混凝土重力壩和200m級的碾壓混凝土拱壩的研究正方興未艾，對碾壓混凝土築壩技術、施工工藝和機械化程度的要求也更高。In order to simulate the construction process and the effect of concrete pouring temperature and outside temperature on temperature field and thermal stress field in the dam, temperature field and thermal stress field are calculated layer by layer. the calculation step during construction is 0. 25 day, and during operation the diffusion of hydration heat of concrete is over and elastic modulus is basically stable, changeable step is used
為了研究施工進度、混凝土澆築溫度、外界溫度對壩體溫度場和應力場的影響，按碾壓混凝土施工方法每澆築一層（層厚0 . 3m ，澆築時間6小時）計算一次溫度場和應力場，這樣，施工期計算步長為0 . 25天，運行期因混凝土水化發熱已結束，且彈模基本穩定，故採用變步長計算。Based on several actual cases, the temperature control measures for roller compacted concrete ( rcc ) gravity dam and arch dam such as structural jointing for construction ; lowering of concrete placing temperature ; water pipe cooling ; surface insulation ; inclined - layer placing etc., the measures to improve the material properties i. e. the application of micro - expanding concrete ; enhancement of material crack - resistance property and the requirement for the simulative analysis on both the temperature field and stress field as well as some problems concerned are summarized herein on the basis of the analysis on the material properties ; construction characteristics and the changing characteristics of the thermal stress of roller compacted concrete
摘要從碾壓混凝土的材料特性、施工特點、溫度場溫度應力的變化特點入手，結合幾個工程總結了碾壓混凝土重力壩、拱壩的分縫方式，降低澆築溫度、水管冷卻、表面保溫、施斜層碾壓等溫控措施，採用微膨脹混凝土、提高材料抗裂性能等改善材料性能措施及碾壓混凝土溫度場、應力場模擬分析的要求和應注意的問題。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。Based on the relocating mesh model, according to heat conduction theory, elastic creep theory and finite element theory, simulation program for roller compacted concrete overflow dam is worked out through 3 - d finite element method
基於本文提出的計算模型，根據熱傳導理論、彈性徐變理論及有限元理論，作者編制了碾壓混凝土溢流壩溫度場及溫度應力場的三維有限元模擬計算程序。Plan element simulation of fracture seepage for analyzing seepage in rcc dams
碾壓混凝土壩滲流場分析的縫面滲流平面單元模擬法In this paper, applying the theory and method of system engineering and administer accountant, combining the huatan project, the optimization among the construction scheme matching machine and expenses were studied thoroughly. through the simulation and optimization in construction process, mixing and transport subsystems of huatan dam, and analyzing the influence factors of damming capability, establishing the correspond systems analysis software of dlp model
本文應用系統工程、管理會計的理論和方法，並結合花灘碾壓混凝土大壩工程實踐，系統而深入地研究了築壩的施工方案、機械配套和費用優化，對花灘碾壓混凝土壩施工過程、拌和運輸子系統的模擬和優化，分析了碾壓混凝土澆築能力的影響因素，建立了dlp模型相應的系統分析軟體。Combining the fracture toughness test results of rcc specimens with the existed size effect formula for fracture toughness of common concrete, the suitable size effect formula fur fracture toughness of rcc was gotten on the comparative of results of the computation models
將碾壓混凝土斷裂韌度試驗結果與已有的普通混凝土斷裂韌度尺寸效應公式結合，通過對幾種模型的計算結果的分析比較，得到了碾壓混凝土所適用的斷裂韌度尺寸效應公式。With considering the construction process of rcc gravity dam and temperature load during construction period, crack constitution model of concrete material is applied to simulated analysis of the temperature stress from construction period to operating period
摘要考慮碾壓混凝土壩的實際成層澆築過程和施工期的溫度作用，採用混凝土開裂本構模型，利用三維瞬態有限元方法模擬模擬分析了大壩施工期至運行期的溫度應力及綜合應力。In the dissertation, the study on carbon fiber reinforced concrete ( cfrc ) and plain concrete has been reviewed. then mechano - electric effect of cfrc and plain concrete, its mechanisms, the interaction among mechano - electric effect, piezoresistivity and seebeck effect, the electrical circuit model of concrete based on mechano - electric effect, electromagnetic emission of concrete, the mathematical model of mechano - electric effect are investigated. also the converse effect of mechano - electric effect of cfrc and plain concrete, that is, electromechanical effect, and the interaction between electromechanical effect and electrothermal effect of cfrc are examined
本文對碳纖維混凝土和素混凝土機敏性的國內外研究現狀進行了全面的評述，在大量實驗分析的基礎上，系統地研究了碳纖維混凝土和素混凝土的力電機敏性，研究了力電效應機理、力電效應與其它效應（壓阻效應、塞貝克效應等）的耦合關系、基於力電效應的混凝土電學模型、混凝土電磁發射現象、混凝土力電效應的數學模型等；論文同時對混凝土和素混凝土的電力效應、碳纖維混凝土電力效應與電熱效應的耦合關系等進行了探討；最後開展了基於力電效應的機敏混凝土結構應用研究。Based on the construction schedule and thermodynamics parameters of certain rcc arch dam, the temperature and stress fields during construction and service are simulated and computed, and also the computation results are compared with the practical observation data ; the comparison results show that the computation results are reasonable
根據某工程碾壓混凝土拱壩施工過程和材料熱力學試驗參數，進行了施工期和運行期溫度場和應力場模擬計算，計算成果與施工期觀測資料進行了對比分析，二者吻合較好。By applying " none homogeneous multi - laminate element ", hong - kou rcc gravity dam ' s simulation computing of temperature field and stress field at construction period and operation period for all courses and many factors. e. some kinds of methods are discussed in detail for temperature field back analysis, and artificial neural network method for back analysis of thermal parameters of concrete is suggested
應用「非均質層合單元法」實現了洪口碾壓混凝土重力壩施工期、運行期全過程多因素的溫度場及徐變應力場的模擬計算，進行多方案的比較分析，推薦出優選溫控防裂方案，取得了非常滿意的成果。In this paper the temperature field and thermal - creep - stress field in roller compacted concrete overflow dam during construction and operation are simulated and the distribution law of them are systematically studied by an example
本文通過一典型算例對碾壓混凝土溢流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，較為系統的研究了碾壓混凝土溢流壩施工期和運行期溫度場、溫度徐變應力場的分佈規律。分享友人