斜張力 的英文怎麼說
中文拼音 [xiézhānglì]
斜張力
英文
diagonal tension-
The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement
其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖,變形帶兩側發育兩組典型的共軛剪節理;第二次在晚白堊世?始新世,斷裂在北東?南西向近水平擠壓作用下右行張扭性活動,斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶,而斷裂在巖體區也發育兩組典型的共軛剪節理,斷裂內形成初碎裂巖為主的構造巖;第三次是喜山期以西側抬升、東側下降的強烈升降為主的活動,在基巖中,主斷層兩側圍巖出現微破裂。Cbm sealed condition is bad under neutral plane at axial part where shows tensile stress in syncline structure
向斜中和面以下表現為拉張應力,向斜軸部中和面以下的煤層甲烷封存較差。Using the least squares method to modulate the inclined cable forces both in forward analysis stage and backward analysis stage, the tensile inclined cable forces during construction will be get finally
最後採用最小二乘法對正裝和倒拆兩個步驟中得到的索力進行修正,得到施工中的斜拉索的張拉索力。Cbm is easy to escape over the neutral plane where shows tensile stress in antiform ; cbm accumulates under the neutral plane
背斜構造中和面以上表現為拉張應力,煤層氣容易逸散,中和面以下煤層甲烷聚集。With double travelling cranes, advanced 60mm punching machine, 140mm fungus type punching machine ; domestic leading 159mma r tube rolling - mills, 159mm7 rack calibrator ; the national monopoly product micro tension - reducing diameter machinery and the producer gas generator ; 40, 60, 80, 220mm straightening machine ; 5 40 tons motoblocs ; bottom rolling type continual annealing furnace ; 14m pitch type heating furnace as well as qg1118 highly effective pipe cutter and so on as well as correlated necessary facility
公司據有雙配行車的大型廠房17500平方米,先進的60mm穿孔機, 140mm菌式穿孔機國內領先的159mmar軋管機, 159mm7機架定徑機國家專利產品微張力減徑機和煤氣發生爐40 60 80 220mm矯直機540噸拉拔機滾底式連續退火爐14m斜坡式加熱爐以及qg1118高效切管機等以及相關配套設施。The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge
提出了一種有效可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精確控制的難題;建立了錨跨索股索力的精確計算模型,分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制系統,該系統具有穩定可靠,精度高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。At the finishing of this paper, the effective identification of designing factors is done and the setting elevation and the cable tension force in next stage are forecasted according to the situation of finished beams. through the forecasting, the constructing state is in coincidence with the designing state. during the bridge construction process, the value of designing parameters are made close to the construction state by means of data collections, optimal controls and detailed analysis of different reasons that caused errors
最後,根據施工的實際狀態對設計參數進行了有效的識別,並利用灰色理論與預測控制相結合的方法,根據已澆梁段的實際狀況對下一施工梁段的立模標高和斜拉索張拉索力進行預測,使施工過程中的受力狀態與已確定的合理施工狀態達到一致。Applying a spatial nonlinear fem modeling, the actual cantilever construction process of the cable - stayed bridge concrete girders was simulated, the tension forces of cables and the initialize heights of girders during construction are obtained respectively
運用空間非線性有限元分析模型,模擬了混凝土斜拉橋主梁的懸臂澆築過程,求出各施工階段斜拉索的初始張拉力和主梁節段的立模標高。This new erection procedure is compared with the conventional way from the reasonability, convenience and economic aspects. the results obtained from the calculating data state that cantilevering the main girder without tensioning the longitudinal pre - stressed reinforcements is a better way for establishing the cable - stayed bridge
本文把這種方法與傳統方法在受力合理性、施工方便程度和經濟性方面做了比較分析,並結合整體靜力計算說明懸臂澆築斜拉橋主梁時不張拉縱向預應力筋這一方法的可取之處。Taking the sucessful control experiences in previous cable - stayed bridge construction into consideration, the control principles and methods for gonghe bridge, that is controling the stress of both the top and bottom sides of main beam, regarding the second stretching as the hauling cable force method, are offered, and related construction procedures for all construction stages are designed
在總結前人對斜拉橋施工控制經驗的基礎上,針對公和斜拉橋施工控制提出了相應的控制原則和方法,即以「控制主樑上下緣應力」為主梁內力控制原則,以「二次張拉」為斜拉索索力控制的方法,並根據各施工階段的具體需要設計相應的施工步驟。It was showed that under the transverse tension, high stress concentration and even concrete cracks would appear on the oblique webs of the model
研究表明,在張拉橫向預應力鋼束以後,主梁邊箱斜腹板中部會出現高拉應力區以及混凝土裂縫。For some years, leaders of zhangjiagang port pay great attention to diversification strategy. they set up relative organisations, provide necessary manpower and financial resources, incline on management policies, but no significant progress and improvement has been achieved on diversification management. up to 2ool, the input of diversification management of the whole port makes up 20 percent of the total
多年來,張家港港務集團公司(以下簡稱「張家港港」 )一直重視和強調多元化經營工作,並且從組織結構上進行了配備、人力和財力上作了投入、經營政策方面作了傾斜,但多元化經營管理工作一直未有大的進展和起色,到2001年,全局的多元化經營收入僅占營運總收入的20 。The successful application of the second stretching method of cable force in gonghe bridge ' s construction enrichs the principle of construction control of cable - stayed bridge, and it also offers valuable experiences for similar bridge ' s construction in future
「二次張拉到位」的索力控制方法在公和斜拉橋施工中的成功應用豐富了斜拉橋施工控制理論,為今後類似結構的大跨度混凝土斜拉橋的設計和施工提供了寶貴的經驗。A stay for racing or cruising vessels used to steady the mast against the strain of the gaff
穩定索,分隔索賽艇或巡邏艇上的支索,為防止斜桁的張力而用於穩定桅桿Topics covered include : modeling strategies for complex structures ; application to tall buildings, cable - stayed bridges, and tension structures ; introduction to the theory of active structural control ; design of classical feedback control systems for civil structures ; and simulation studies using customized computer software
課程主題涵蓋:復雜結構的模型建構策略;高層建築、斜張橋及張力結構的應用;結構主動控制理論概述;應用於土木結構方面的古典回饋控制系統設計;以及應用客制化軟體進行模擬研究。The conclusions are got from the theory analysis and project example calculation in this paper as following : that the three - dimension finite clement model used in calculating the cable forces during the construction will get good results corresponding to the actual solution smoothly
通過理論分析和實例計算,本文得到以下結論: 1 )把空間有限元單元用於斜拉橋的施工中張拉索力的確定中去,可得到與實際值相吻合的結果。In order to construct the bridges successfully, an exact analysis must be carried out in every construction step. yongan bridge is a cable - stayed bridge of tri - tower with single cable plane. integral cast - in - place construction on form board method is used in construction
因此,有必要對該橋的整個施工過程進行詳細的研究,合理安排橫梁預應力筋和斜拉索的張拉步驟及張拉量,以指導該橋施工。Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables
針對建設中的小西湖矮塔斜拉橋的主體工程,結合已有的橋梁施工控制的理論和方法,利用大型通用計算軟體ansys的基本功能,並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發,採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩;用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝,參與受力計算,整個施工過程按施工循環周期分為若干階段,每個階段又分為四個工況,即:空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。This paper presents a method that the reasonable inclined cable forces during the construction process are determined by the target configuration of girder
本文提出了以主梁線形為控制目標的斜拉橋施工中張拉索力的確定方法。Because of its peculianties in design and construction, gonghe cable - stayed bridge adopts the second stretching method as the cable force controlled method and succeeded at last
公和斜拉橋因其結構和施工的特點,在施工中採用了「二次張拉到位」的索力控制方法,並最終取得了成功。分享友人