橋梁控制測量 的英文怎麼說
中文拼音 [qiáoliángkòngzhìcèliáng]
橋梁控制測量
英文
bridge construction control survey- 橋 : 名詞1. (橋梁) bridge 2. (姓氏) a surname
- 梁 : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 橋梁 : bridge; approach
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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In the segment precasting, cantilever erection and bridge deck construction during the paksey bridge construction, the precise surveying control results in the minimum error between the bridge deck line and the designed line
摘要在paksey大橋的施工過程中,對節段梁的預制、節段梁的懸臂拼裝以及橋面體系的施工進行了精密的測量控制,從而使橋面線形與設計線形的誤差最小。This paper collects a lot of rare original material and date. the methods it put forward assume commonality towards common curved girder bridges and have great referential value
本論文附了大量珍貴的原始資料和數據,所闡述的監測方法對于曲線梁橋具有通用性,對一般橋梁加固的施工控制具有重要的參考價值。In order to ascertain the real stress and deflection of structure this paper puts forward experimental scheme. by measuring data during the process of construction, we can know the distribution of stress in simply supported - continuous beam and compare with initial design, then we can adjust it by control method to ensure quality of the bridge
提出具體的試驗方案,論述了測試元件的測試原理,通過測量各控制點在不同階段的應變和撓度,確定橋梁結構的實際應力大小和變形狀態,了解簡支轉預應力連續結構各跨主梁與連續處的應力分佈情況,並與設計相互驗證,通過施工控制使結構符合設計要求,保證施工質量。According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method
根據現代斜拉橋結構設計理論和懸臂施工方法的特點,提出了以最佳成橋狀態作為施工控制的最終目標,以實施最佳施工階段為技術路線,以索力調整為核心內容的斜拉橋施工控制理論,簡稱為最佳成橋狀態法;以斜拉橋主梁標高誤差最小為目標函數,以主梁內力(彎矩)為約束條件,以索力為優化變量,建立了最佳施工階段的索力調整計算模型;推導了考慮徐變收縮效應的索力調整計算公式;用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究,得到的成橋狀態與設計目標相當接近,優于該橋以「雙控」為控制目標的實測結果,有力地證明了本文方法的正確性及其工程實際價值Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit
本文綜述了國內外橋梁監測技術的發展概況,在深入研究脈沖激光測距和光纖應變測試原理的基礎上,針對單片機固有計數頻率低、計數量化誤差大和延時不固定等不足,結合cpld計數頻率高、延時小而固定和單片機控制功能強的優勢,並採用模數轉換技術設計計數量化誤差測量電路,提出了基於激光脈沖時間測量法的光纖應變測量的方案。分享友人