three-span 中文意思是什麼

Dividing the main body of this article into three sections, i mainly discuss the economical life span of the equipment of oil field ground in the first section, and heavy repair in the second section

並依據課題研究的特點，將文章的主體分為三大部分，即關于油田地面工程設備經濟壽命、大修理和設備更新的經濟評價方法研究三部分。

Static and dynamic behavior of three - span continuous prestressed concrete rigid framed arch bridges without spandrel members

三跨連續無腹桿預應力混凝土剛架拱橋的靜動力特性

Part three : exams the theory forming and developing process of socialistic cultural construction with chinese characteristics, discusses its scientific connotation and grand significance for this theory, including having been gained the splendent achievements under guided by this theory in the domestic cultural construction in this period, and clarities that, the socialistic cultural construction with chinese characteristics is the other span - new period in chinese modern cultural developing history

第三章：考察了中國特色社會主義文化建設理論形成和發展的過程，論述了這一理論的科學內涵和重大意義，以及在這一理論指導下我國新時期文化建設所取得的輝煌成就，闡明了中國特色社會主義文化建設是中國現代文化發展史上的又一個嶄新的階段。

It is commonly thought that jesus preached for a period of three years, but this is never mentioned explicitly in any of the four gospels, and some interpretations of the synoptic gospels suggest a span of only one year

通常地認為，耶穌用了三年時間傳道，但這從來沒有在四福音書上明確地提到，一些對觀福音書的解釋暗示了跨度只有一年。

In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。

In chapter four, using the quantum statistics method we study the cohesion of a metallic nanowire irradiated under electromagnetic wave based on the results in chapter three. we obtain that the cohesion force is effected notably only when the frequency of electromagnetic field is at the vicinity of the energy span of the lateral levels of the nanowire

第四章以第三章的工作為基礎，用量子統計的方法，分析了太赫茲電磁波部分輻照對金屬納米線內聚力的影響，得到了只有當外場頻率與橫向模式共振時內聚力才有顯著變化的結論。

The superstructure of the bridge is a three - span ( 80m + 130m + 80m ) continuous rigid frame. the main piers are single - column flexible solid piers, whose foundation are 2. 0m dug piles. the abutments are light - type box abutments, whose foundation are 1. 2m bored cast - in - place piles

該橋上部為80m + 130m + 80m三跨連續剛構；主墩為單柱柔性實體墩，其基礎為2 . 0m挖孔樁；橋臺為輕型箱式橋臺，其基礎為1 . 2m鉆孔樁。

Abstract : the system, in the span - by - span construction of brid ge, willexperience three kinds of shifts from the state of simple beam to the continuous state, from overhanging beam to the continuous beam and from few - spans continuous beam to required degree span by span. meanwhile, structural calculatin g graphics and the internal force are changing with the three shifts

文摘:在橋梁工程逐孔施工過程中，體系將發生由簡支梁狀態到連續梁狀態，由懸臂梁到連續梁，由少跨連續梁逐孔延伸到所要求的體系三種轉換，同時結構計算圖式和內力也發生變化。

The geometric nonlinear analysis of three types of large - span annular cable truss structures is put forward by using commercial fem program. their static properties in deferent load case are concluded, and some suggestions for actual projects are also presented. base on the prime realization of its static property, parameter analysis of its static property is done consisting of deferent number of truss, deferent height of truss, deferent scale of height of masts, deferent boundary condition and deferent magnitude of pre - stress in deferent load case

本文利用通用有限元軟體ansys對大跨度環形空腹索桁結構體系中三種典型的結構（即內外圈都為圓形、外圈圓形內圈橢圓形、內外圈都為橢圓形的三種外形的結構）進行了幾何非線性分析，總結出各自在不同荷載工況下的靜力性能，並提出一些有實際工程意義的建議。

The results indicate that the ratio of span to rise, the ratio of reinforcement and the stretching controlling stress are the three primary influencing factors to the failure pattern of the slab. in addition, the relationships between the ratio of deflection to span and the ratio of span to rise and the stretching controlling stress submit to linear curves, the relationship between the ratio of deflection to span and the ratio of reinforcement submits to a quadratic parabola curve

運用數值分析程序計算了175組不同跨高比、配筋率、張拉控制應力的中強（ 1270mpa ）螺旋肋鋼絲預應力空心板，結果表明跨高比、配筋率、張拉控制應力是影響空心板破壞形態的主要因素，且構件撓跨比與跨高比和張拉控制應力呈線性關系，與配筋率呈二次拋物線關系。

He tried to remember, span the crowded events of three-fifths of a lifetime.

他想回憶一下，回想一生中五分之三的光陰和繁雜的事件。

On the basis of analyzing effect of prestressed tendon layout on internal force and thrust at springer, the principle of prestressed iendon layout for three - span prestressed concrete deck arch bridge is illustrated

摘要在分析預應力布置位置對三跨上承式拱橋內力和拱腳推力影響的基礎上，闡明了該類橋型預應力筋的布置原則。

As for the simply - supported slabs, the influence of the specimen fire proof properties is tested under the different concrete intensified degrees, under the different thickness of cover and under the different concrete quota. as far as the three - span continuous slabs are concerned, a series of analysis are conducted, including the specimen internal force redistribution under the different fire condition, the specimen deformation properties, features of the specimen destroying mechanism and the fire proof capability under the various condition

對簡支板，考察了不同混凝土強度等級、不同的鋼筋保護層厚度、不同配筋率等對構件抗火性能的影響；對三跨連續板，考察了不同受火工況下構件的內力重分佈變化情況、構件的變形性能以及構件破壞機構的特點；分析了各工況下構件的抗火性能的差異。

This dissertation generalizes the test on the full - scale reinforced concrete simply - supported slabs and three - span continuous slabs under fire at the normal loading condition. the conclusion can be drawn from the test about the deformation of the both kinds of slabs and the specimen section temperature distribution. meanwhile, the failure modes, mechanism and internal force redistribution of the continuous slabs are analyzed

本文對足尺鋼筋混凝土簡支板、三跨連續板進行了恆載下的受火試驗研究，通過試驗，給出了鋼筋混凝土簡支板和連續板在高溫下的變形、構件截面溫度分佈規律；分析了連續板的內力重分佈和破壞機構的特點。

Abstract : the structural characteristics of a three - span continuous half - through, self - anchored, concrete - filled steel - tube arch bridge are introduced

文摘:介紹了三跨連續自錨中承式鋼管混凝土拱橋特點，闡述了橋型布置原則及主要結構尺寸的擬定。

A 1 / 7 - scale model of three - bay, three - span frame - bent r. c. structure is the first and the largest size in the same testing field in china by now. following studies are chiefly conducted in this chapter : the mechanism behavior of the structure under horizontal earthquake load, including the characteristics of seismic force, the deformed performance, yielding sequence, energy dissipation capacity etc. ; the changing rule of the dynamic characteristics and the stiff degrading in different experimental stages ; the location of the weak stories and the seismic capacity of the structure

在試驗中主要研究了以下內容：在水平力作用下框排架結構的整體變形能力以及各層的層間變形的大小；框排架結構在不同階段的動力變化規律；框排架柱的變形和承載能力；錯層對結構性能的影響、模型結構裂縫開展過程及塑性鉸形成的先後順序、不同階段該結構的剛度退化規律及滯回耗能特性等。

Next, a three - span curve continuous box beam has been studied by fem, and how to set the single - pedestal pier in curve continuous box beams has been discussed. when setting the single - pedestal pier, the vehicle flow should be inspected firstly, and then a best offset distance should be selected within the feasible range of the offset distance. meanwhile, increase the spacing interval of the double supports to the largest extent when installing a double supports on a sharing single - pedestal pier, which can enhance the stability and security of the bridge as a whole

對上石立交橋中一座三跨連續的曲線箱梁進行有限元分析，詳細地討論了在曲線箱梁中如何合理設置獨柱墩的問題，分析表明獨柱墩的設置應該根據車流調查的實際情況，再結合結構本身的特徵，在可行的偏距范圍內選擇一個最佳的偏距，另在對公共墩上的雙支座進行設置的時候應該盡量使雙支座的間距增大，這樣可以保證橋梁整體的穩定性和安全性。

Static experimental analysis of a three - span continuous rigid bridge

三跨連續剛構橋靜力試驗分析

Combined with that the influence of the prestressed tendon layout on mechanics characteristic of three - span prestressed concrete deck arch bridge is taken into account in these methods, and demand of internal force and displacement in design is satisfied by using upward and downward eccentric layout of prestressed tendon

這些設計法針對該類橋型的特點，利用在拱頂梁中分別布置一定數量的上下偏心的預應力筋來優化結構的內力和滿足各部分的位移限制要求。

According to construction features of three - span prestressed concrete and continuous rigid frame box with v pier bridge, the paper demonstrates the shell finite element theories, c onstruct the spatial model, and researches its spatial stress and variable regularity under different loads including uniform load, concentrated load and prestressing force wire. morever, the paper studies vibratory modal of three - span prestressed concrete and continuous rigid frame box with v pier bridge, and sets about experimental investigation of the corresponding practical bridge

本文根據典型的三跨預應力混凝土墩連續剛構橋的特點，提出採用板殼有限元法計算理論，建立其空間分析模型，研究該橋在不同荷載（均布恆載、集中活載、預應力束）支承條件下的空間受力特性和變化規律：探討了典型三跨預應力混凝土墩連續剛構橋的空間靜動力特性及相應的振動模態；探索一般的平面理論預測值與實際空間效應的差異，並進行相應的試驗研究。