壩體積 的英文怎麼說
中文拼音 [bàtǐjī]
壩體積
英文
volume of dam-
According to this, the temperature field stress field and autogeny body - expand - deformation field of yangchun arch dam during construction arid operation period are analyzed, thus many significant conclusions are got for reference
由此,模擬分析了陽春拱壩施工期和運行期溫度場、自生體積膨脹變形場及應力場,得到了一些有參考意義的結論。Hyperbola model of mgo - mixed concrete ' s autogeny deformation, especially deduce of the model ' s parameter and building process of the model are analyzed in detail. ( 2 ) calculating method of autogeny deformation and creep are discussed. based on these, timely - simulation theory of dam body ' s temperature field stress field and pre - process back - process method are mainly studied
( 2 )對mgo混凝土的自生體積變形及徐變變形的計算方法進行了探討,在此基礎上,重點研究了壩體溫度場和應力場實時模擬的原理以及前後處理方法。Under the guidance of theories of sedimentology, petroleum geology and sequence stratigraphy, and through the comprehensive analysis of outcropsrock, cores, well logs and testing outcomes of rock gas, this paper studies the depositional systems of neopaleozoic and the character of aeration zone in tabamiao area of ordos basin. the result indicates that the object layers are divided into two depositional systems, the barrier seacoast depositional systems are recognized on upper carboniferous taiyuan phase with tidal flat, lagoon and barrier bar sedimentary deposit
本文根據沉積學、石油地質學和層序地層學理論,綜合利用地表露頭、鉆井巖芯、測井曲線資料和試氣成果資料,對鄂爾多斯盆地塔巴廟區塊晚古生代沉積體系及含氣層特徵進行了研究。結果表明,研究區內目的層段可以劃分為2個沉積體系: ( 1 )上石炭統太原期為有障壁海岸沉積體系,發育潮坪?瀉湖?障壁砂壩沉積。In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder
本文將河道與堤壩下游區域視為一個整體,對于單一河道採用preissmann四點隱式差分格式計算,對于潰口及圩區採用有限體積法,建立了一維河道與堤壩漸潰耦聯的水力模型,也是一維、二維耦合的水流模型。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 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 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。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。There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete
水電行業有句「無壩不裂」的俗話,產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。The sediments of the incised valleys show an upward - fining succession, and can be grouped into four sedimentary fades : gravel lag - deposit of in - channel to partly over bank sediments of a meandering river, flood plain - estuary, estuary - shallow marine, and estuary sand bar, based on lithology, paleontology, and sedimentary textures and structures
根據巖石學、沉積結構和沉積構造特徵,本區下切河谷充填沉積物具有向上變細的沉積層序,可以劃分為4個沉積相類型:河床滯留沉積物到部分曲流河沉積體系的邊灘沉積、河漫灘河口灣沉積、河口灣淺海沉積和河口灣砂壩沉積。In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam bodys tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed
通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析,初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性,以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam body ' s tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed
通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析,初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性,以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。In charge of one of major subjects of the national eighth five - year plan, i. e. " study on shotcreting techniques of polyacrylate emulsion cement mortar for impermeability coating of pu ding rcc dam ", the achievement of which has been appraised by the ministry of electric power and evaluated as reaching national leading level. 2. in charge of the major subject aided by the committee of national natural science funds, " study on durability of high bolumes of fly ash concrete ", the first phase achievement of which has been commended by the committee. 3. in charge of one of major subjects of the national ninth five - year plan, i. e. " study on high performance concrete in marine engineering, design and construction ". 4. acting as one of editors - in - chief of " technical specification for abrasion and cavities resistance of concrete in hydraulic structures ", which is issued by the ministry of water resources. 5. by providing the repairing and strengthening schemes on seepage and cracks of the basement of nanjing lukou international airport, the air traffic opening of the airport was ensured as scheduled. 6. consulting services on techniques of high performance and abrasion - erosion resistance concrete for three - gorges project, anti - corrosion of reinforced concrete strutures for the ore port of shanghai baoshan iron and steel works, mass fly ash concrete for jiangyin yangtze river bridge and pumping concrete for nanjing yangtze river second bridge
主持國家「八五」攻關項目「普定碾壓混凝土壩上游面丙乳砂漿防滲層大面積施工工藝研究」 ,成果通過部級鑒定,評價屬國內領先水平; 2 .主持國家自然科學基金重大項目「高摻量粉煤灰混凝土的長期性能研究「 ,階段成果獲國家自然科學基金委通報表彰與獎勵; 3 .主持國家「九五」攻關項目「海工高性能混凝土成套技術研究」 ; 4 .水利部「水工混凝土抗沖磨防空蝕技術規范」的主編之一; 5 .為南京祿口國際機場地下室修漏與裂縫補提出技術方案被采納並實施,為機場如期通航作出貢獻; 6 .為三峽工程抗沖磨高性能混凝土技術、上海寶鋼礦石碼頭鋼筋混凝土防腐蝕技術、江陰長江大橋大體積粉煤灰混凝土技術、南京長江二橋泵送混凝土技術等提供咨詢建議。It founds natural heightening theory for warping dams and puts forward specific way of diversion, measures for preventing dam eroded and design for energy dissipation and flood storage of cofferdams and sedimentation and dewatering through exploration and study on deposition in front of natural formed dam and the techniques of building dam through hydraulic filling
通過對天然聚湫壩體前的淤積和「水力沖填」築壩技術的探索和研究,創立了淤地壩壩體自然加高的理論,並提出了具體的導流方式、壩體防沖措施及圍堰消能蓄洪、留淤脫水設計。Temperature control and crack prevention of concrete - the simulation analysis characteristics of dams construction with mgo concrete, the theory apply " equivalent time " to the model for computing autogenous volumetric change of concrete which be relate to temperature history. it makes computing autogenous volumetric change of concrete be realized at case of arbitrary temperature history, so the problem puzzled engineer over a long period of time may be dispelled
針對溫控防裂的一項新技術?外摻mgo混凝土築壩技術的模擬計算特點,提出了應用「有效時間」理論,來考慮自生體積變形與溫度歷史有關的膨脹模型,使長期以來困繞工程界有關外摻mgo在任意溫度歷史下產生的膨脹變形的應力補償計算成為可能。It has accumulated much experience in the choice of earth rockfill dam ' s material, division of dam ' s body, stabilization of dam, seepage, settlement, analysis of stress and strain, treatment of foundation, criterion of reclamation and machine of construction and so on
在土石壩築壩材料,壩體分區,壩體穩定,滲流,沉降及應力應變分析,基礎處理,填築標準,施工機具等一系列關鍵技術上,已經積累了豐富的經驗。Another hidden danger is the weakening of the impervious ability of the dam resulting from the closeness of the height of line seepage of the reservoir water level to the contact plane between the residual solum, talus solum and basement rocks
水庫水位浸潤線標高和殘坡積土與基巖接觸界面標高較接近,而使此高程的防滲能力更加薄弱,這也是此壩體的隱患之一。The detection of hidden dangers in jinjiang reservoir dam with ground penetrating radar shows that the major hidden dangers of the dam are the karst caves in the dam basement rocks and the soil caves which were formed in the residual sola and talus sola by percolating channels such as faults and fissures
摘要在金江水庫壩體隱患探測中,使用地質雷達發現壩體的主要隱患來自壩體基巖的溶洞和因斷裂、裂隙等滲漏通道在殘坡積土層中所成的土洞。The dam protected height is determined as 15m higher above reservoir water level during initial reservoir impounding period in order to preventing surge damage caused by landslide
李家峽水電站壩前號滑坡屬有蠕滑活動的老滑坡,體積為1845 104m ~ ,為預防滑坡涌浪危害,初期蓄水期間壩前設防高度15m 。The results of the dynamic analysis illuminate that the liquefied area of the dam will be at the top of the coal ash body where coal ash deposits naturally. the depth of the liquefied area is about 20m and the liquefied area is far from the sub - dam, so it does no harm to the dam
該灰壩的動力特性分析表明,灰壩的液化區分佈在灰體的上部,主要是在煤灰自然沉積區,液化深度在zom左右,液化區離子壩的距離較遠,因此對壩體不構成威脅。分享友人