line span 中文意思是什麼
line span
解釋
線路檔距-
Analysical study of the dynamic behavior of long span transmission line system
大跨越輸電體系動力特性分析 -
Combined with the real example of monitoring pressure on the supporting system in the long span underground space of dk7 + 692 section at jiao - xin line of chongqing light railway, it is set forth the methods about choosing the support system and its parameter, digging methods of underground space, measuring and testing methods for the stress of the support system ; the testing results and variation pattern were analyzed for the stress of the initial supporting i - steel axial stress of bolt, stress of shot - concrete, supporting pressure of temporary i - steel and stress of steel of the second lining, then, the reason for deformation of the support system induced by sharp increase of i - steel was determined
摘要結合重慶市輕軌較新線大坪車站大跨度地下空間dk7 + 692斷面施工支護體應力監測的工程實例，闡述了該大跨度地下空間支護結構的參數選擇、地下空間的開挖方法、支護體結構的應力量測方法及測試手段；分析了支護體初期支護工字鋼拱應力、錨桿軸力、噴射混凝土內應力、臨時工字鋼支撐應力、二次襯砌鋼筋應力等測試結果和變化規律；確定了工字鋼拱應力急劇增大而可能引起支護體系失穩的原因。 -
The bridge construction technology of large span box frame in lanyan double - line
藍煙復線大跨度箱形框構中橋施工技術 -
Abstract : this paper introduces the global stiffness, strength and stability of bracing structure with long span, pointing out that the control of bracing structure ' s deflection and elastic module can make the arch ring fit the line of pressure and arch axis and can guarantee the stability of bridge structure
文摘:本文介紹了大跨度支撐結構的整體剛度、強度和穩定性，控制支撐的撓度和彈性變量可使拱圈符合設計壓力線與拱軸線，保證橋梁結構的穩定性。 -
Optimization of stayed - buckle cable forces during adjustment of the line - shape on long span arch bridge
大跨度拱橋拱肋線形調整中的扣索索力優化 -
The line shape control of the arch prefabricating and hoisting of long span arch bridge with concrete filled steel tube
大跨度鋼管砼拱橋拱肋預制與吊裝的線形控制 -
Abstract : the paper introduces advantages of cantilever assembly of long - span pc continuous beam. exploration is made on line control, shear key design, matching face treatment and grouting quality requirements, etc
文摘:結合工程實際介紹大跨度預應力混凝土連續梁懸拼施工的優點，對線形控制、剪力腱的設計、匹配面處理、壓漿質量要求等問題進行了探討。 -
In chapter 3, by minimizing a quadratic model restricting next search direction to a subset of span { - g _ ( k ), d _ ( k - 1 ) }, we propose other formula of parameter ~ ( * ) k convergences of the new method and its hybrid formula are proved under monotone line search. their numerical results show that they are efficient
在第三章中，通過最小化一個限制下次搜索方向在span { - g _ k ， d _ （ k - 1 ） }子集上的二次模型，我們提出了_ k ~ *取新形式或其雜交形式的共軛梯度法是有效的。 -
The aluminum - alloy insulating strain clamps type nll nxj nxl, the jcb high - low - pressure insulating puncture paralleled clamps, 1kv 10kv 35kv cold - heat shrinkable cable terminals, cable joints, power transformer shields and 500kv line fittings produced by the company can meet the needs of upgrading urban and rural power grids and realize the span of fittings products from low voltage to high voltage
為滿足城鄉兩網改造需要，公司生產的nll nxj nxl鋁合金絕緣耐張線夾， jcb高低壓絕緣穿刺並溝線夾， 1kv 10kv 35kv冷熱縮電纜終端，電纜中間接頭，電力變壓器防護罩以及500kv線路金具，實現金具產品由低壓向高壓跨越。 -
Abstract : for building a long - span concrete - filled steel - tube ( cfst ) arch bridge with an integrated installation tower, one of the key technologies is to control the arch rib alignment of the bridge. based on the theoretical analysis and the measuring results, the designed arch rib alignment of a being built bridge can be guaranteed quality by adjusting the length of the cables on - line. the engineering application shows, by using the on - line adjusting cable technology, that it is economical and in safety for building a long - span cfst arch bridge
文摘:在大跨度鋼管混凝土拱橋塔架/扣架一體化纜索吊裝施工中，其關鍵技術之一是主拱線形控制.在理論分析和現場測試的基礎上，動態調整扣索長度，可保證鋼管拱肋的設計線形.工程實踐表明：將扣索動態調整技術應用於大跨度鋼管混凝土拱橋的吊裝施工中，可降低工程造價，保證施工質量 -
It has been proved by examples of engineering practice that temperature fields did great effect on the stress and line deformation of long - span pc continuous box girder bridges
工程實例表明，溫度場對箱梁的溫度應力和撓度有很大的影響。使用不同的溫度梯度模式計算得到的梁內溫度應力相差非常大。 -
Since rib - hoisting of the long - span cfst arch bridge is very complex, method of simulation calculation of construction control must be adopted in order that the final bridge line and the state of strength will satisfy the requirement of design
大跨度鋼管混凝土拱橋的拱肋吊裝過程是一個復雜的過程，為了保證最終的成橋線形和受力狀態滿足設計要求，需要採用施工控制模擬計算。 -
Also this paper analyzes the effect of different substructure constraint conditions or the size of pier on pier and beam in the light of the use of single - line piles with large diameter, taking into account the mutual effect of pile - earth - structure and the typical mechanic model used. with the analysis result of construction and traffic stages, the suggestion that single - line piles with large diameter claim precedence over all others is submitted in the design of continuous rigid - framed bridge of middle span
對單壁樁柱式橋墩的連續剛構而言，當墩身尺寸改變時，墩身抗推剛度武漢理工大學碩士學位論文亦相應改變，從而對墩身及樁基受力影響顯著，且墩身受力與自身承載能力所要求的橋墩剛度成反比。
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