水中澆混凝土 的英文怎麼說
中文拼音 [shuǐzhōngjiāohúnníngtǔ]
水中澆混凝土
英文
placing in water concrete- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 澆 : 澆名詞(姓氏) a surname
- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 水中 : aquatic; water水中爆炸 water shooting; 水中浮游生物 hydroplankton; 水中氣泡 underwater bubble; 水...
- 混凝土 : concrete; beton; jetereting混凝土壩 concrete dam; 混凝土板 concrete slab; 混凝土標號 concrete gra...
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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。In the design, the construction measures such as application of shrinkage - compensating concrete, arrangement of spacing layer between the foundation rock and the bottom slab, adding outside waterproof layer, flexible connection between outlet pipe with side - wall, integerated concrete placement of pump seat with bottom slab and design of reinforcement with application of advanced calculation theory are used according to the characteristics of lager span, larger volume and complex loading conditions of the understructure
針對下部結構跨度大、體積大、受力復雜的特點,在設計中採取多種措施,包括採用補償收縮混凝土、基巖與底板間設隔離層、增設外防水層、出水管與邊墻採用柔性連接、機座與底板整體澆注、採用先進計算理論指導配筋。In the paper, not only such factors as reinforcing steel bar, various placing temperature of concrete in case of lift placements, lift thickness, time interval between lifts, the variation of elastic modules of concrete, heat of hydration, the temperature changes of environment but the effect of creep deformation and autogenous volume change on the temperature field and thermal stress field of reinforced concrete face - slab are considered
本論文在分析中,考慮了鋼筋、混凝土分層澆築、入倉溫度、澆築層厚、施工間歇、混凝土彈性模量變化、水化熱發散規律、外界氣溫等因素的變化及混凝土徐變和自生體積變形等因素對面板溫度場和溫度應力的影響。In the program, 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 are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method
該程序在編制過程中考慮了混凝土分層澆築、施工間歇、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場及溫度應力場的影響,同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。In computation the effect of thermal insulation, elastic modulus, creep degree and autogenous volume change along with age, the progress of pouring by layer, work suspension in summer, the change of air temperature, heat preservation, water cooling, and water storage, by stages on temperature field are considered
計算中考慮了混凝土的絕熱溫升、彈性模量、徐變度和自生體積變形隨齡期的變化以及分層澆築、夏季停工、外界氣溫變化、表面保溫、通水冷卻及分期蓄水等因素對壩體溫度應力場的影響。Through analyzing the structure of open caisson, and according to sinking stress principle, the paper introduced in the open caisson construction process sinking, correcting error, survey control as well as peculiar circumstance processing technical measure, such as in open caisson construction the inner - mold for sanding, framework supporting and steel binding, and concrete casting ; in open caisson sinking - control the sand in edge foot inner - mold, sand - pumping sinking, and pressure hydraulic monitor breaking and pressure - blowing sinking by air pressure blower etc
摘要根據下沉受力原理,分析了沉井結構,介紹了沉井施工過程中的下沉、糾偏、測量控制以及特殊情況處理的技術措施,如沉井製作中的填沙內模,模板支設和鋼筋綁扎,混凝土澆注;沉井下沉控制中的刃腳內模沙土,抽沙泵抽沙下沉,高壓水槍破壓、空壓機吹壓下沉等。Test method for ball penetration in freshly mixed hydraulic cement concrete
新澆水硬性水泥混凝土中球體貫入的試驗方法The change of adiabatic temperature rise along with age and the effect on temperature field of dam body made by pouring lift by lift, work suspension in summer and water storage are considered in the analysis
分析中考慮了混凝土的絕熱溫升隨齡期的變化和分層澆築、夏季停工及蓄水對壩體溫度場的影響。Abstract : in this paper, designs for foundation pit drainage, concrete pouring as well as side wall form, etc in shaft well construction are discussed
文摘:介紹了豎井施工中有關基坑排水、混凝土澆築以及側壁模板等設計問題。Five aspects, such as the highest temperature in the middle of block, maximum horizontal stress, average stresses of any sections, stress changing process of typical points, and stress changing range between tension and compression, are discussed in detail
從各塊體中部最高溫度、最大水平約束應力、斷面平均水平約束應力、典型點應力發展過程、正反向應力變幅等5個方面,比較系統地闡述了大體積混凝土通倉澆築問題。By using the finite element numerical simulating method, and studies based on the practical project xiluodu arch dam, this paper studies systematically the type of joints, placing temperature, protection methods on the surface of concrete dams, the first stage artificial cooling method including different cooling water temperatures, cooling lasting days and cooling pipes arrangement
本文利用數值模擬計算方法,以溪洛渡實際工程為依託,對大體積混凝土施工中常採用的溫控措施對混凝土溫度變化的影響規律進行了全面系統的研究,包括分縫分塊方式、澆築溫度、混凝土間歇時間、一期冷卻方式(包括不同進水溫度、不同水管布置、不同通水時間)等。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。In this paper, referring to qingju water power station, temperature control analysis and study has been done : study on the match ratio of the concrete and question of modifying of the special fine sand concrete to improve resisting ability of splitting of concrete ; study on the technology of the highly mixed fly ash to reduce the adiabatic temperature rise of concrete ; in case of the condition of resisting splitting to allow, study on the temperature control measure to strengthen and water the size of building, simplify the operational procedure, accelerate the construction speed, economize the expenses of the project
溫控問題成為青居水電站設計和施工的關鍵技術問題。 、本文對水工大體積混凝土溫控問題進行了分析和總結,結合青居水電站閘壩工程,開展溫度應力及溫度控制研究:研究混凝土的配合比及特細砂混凝土『改性問題,提高混凝土的抗裂能力;研究高摻粉煤灰技術,降低混凝土的絕熱溫升:在抗裂條件允許的情況下,研究施工過程中溫控措施的簡化,以加大澆築尺寸,簡化施工程序,加快施工進度,節約工程費用。According to author ' s practical experience accumulated in many years of water project construction, the author gives brief description to some common quality defects in cast - in - site concrete construction, such as honeycomb, ballast - surface, holes, reinforcement emerging, crack, surface unevenness, insufficient strength etc
根據在水利水電工程施工中多年積累的實踐經驗,簡要闡述了現澆混凝土施工中常見的一些質量缺陷,如混凝土出現蜂窩、麻面、孔洞、露筋、裂縫、表面不平整、強度偏低等。Transient temperature field comes from changes of boundary conditions and the heat which is produced by the concrete chemical reactions with the water during the mass concrete pouring
由於混凝土澆灌時產生的水化熱和澆築過程中熱邊界條件變化而產生瞬態溫度場,這種溫度場對結構施加時變溫度載荷。Cast - in - site concrete construction is often used in water project
摘要水利水電工程中通常採用現澆混凝土。By combining the design of cast asphalt concrete core earth - rock dam of nierji hydroelectric projects, an optimize study on the structural types and construction technology of cast asphalt concrete core are carried out in the article. the main contents of the study are summed up as follows : at present, the main and auxiliary core structures are widely adopted in the design of the cast asphalt concrete core earth - rock dam in the state, i. e. the main core to be asphalt concrete and auxiliary core of asphalt mortar masonry
本文結合尼爾基水利樞紐工程的澆築式瀝青混凝土心墻土石壩的設計,對澆築式瀝青混凝土心墻的結構型式和施工技術進行優化研究,主要研究內容歸納如下:目前我國在澆築式瀝青混凝土心墻土石壩設計中,心墻的型式多採用主、副墻結構,即主墻為瀝青混凝土,副墻為瀝青砂漿砌體。Nowadays, the pcc pile have been widely used for soft ground improvement and application of foundation engineering. the behavior of pcc pile, that subjected to lateral load has been studied in this paper. the behavior of the pcc pile has involved moment and horizontal displacement and load of pcc pile. they are studied by in the physical model experimen, field test finite element numerical analysis, and exponential progression solution. in additional, the comparatively computal analysis are carried out among pcc pile, cast - in - situ concrete circular pile, prefabricate concrete square pile, and obtain some signification conclusion
本文主要圍繞現澆混凝土薄壁管樁(以下簡稱pcc樁)這一新型的樁基結構型式的水平承載性狀展開研究,通過室內模型試驗、現場試驗、有限元數值模擬分析試驗及彈性冪級數解析法分析等手段,對pcc樁水平承載的樁身受力性狀,樁身撓曲位移,樁身彎距分佈,樁與樁周土相互作用的地基反力等幾方面進行了初步的探討和研究,最後將pcc樁與目前工程中的兩種常用於承受水平荷載的樁型進行對比計算分析,得到有意義的結論。分享友人