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拱跨
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  “拱跨”译为未确定词的双语例句
     Secondly, the shape and main parameters of station structure on two schemes are analyzed with Load-Structure Mode, for different overburden depth of tunnel and lining thickness, etc.
     采用荷载—结构模式,对四种方案的主体结构的形式和重要参数进行分析研究,分不同的埋深、衬砌结构厚度和拱形结构的拱跨比进行了多组数值计算;
短句来源
     But, with the growth of the span, the safety is becoming more and more important. However, there are no valid methods to evaluate the safety of the CFST Arch Bridge until now.
     但随着拱跨的增大,其安全性问题日益突出,国内对大跨度钢管混凝土拱桥的安全性评价问题尚未进行深入研究,相关的报道也仅限于对钢管极限承载力的探讨。
短句来源
     n this paper, the precise solution of influnce line of two hinged parabolic arch of constant cross section is presented, and its engineering aplication is studied, numerical study indicates that there will be considerable error if the formlae in current handbooks are used to analyse a two hinged parabolic arch of large rise to span ratio when which subjected concentrated load at arch crow and displacement between arch feet.
     本文给出等截面抛物线两铰拱推力影响线的精确解析解,对其在工程计算中的应用进行了分析,分析表明现行工具书中关于抛物线两铰拱的分析公式用于大矢跨比拱跨中作用竖向集中力及拱脚水平位移引起的内力有不可忽略的误差。
短句来源
     The design, construction and inspection of anticorrosion handling for the components of a prestressed concrete cantilevered truss arch bridge in the coastal area of Zhejiang Province are introduced. 
     介绍浙江近海一座预应力混凝土悬臂桁架组合拱跨海大桥混凝土构件进行防腐蚀处理的设计、施工和检测情况。
短句来源
  相似匹配句对
     Precise Analysis of Two Hinged Parabolic Arches of Large Rise to Span Ratio
     大矢比抛物线精确分析
短句来源
     THE ANALYSIS OF TEMPERATURE EFFECT OF LONG-SPAN ARCH-SHAPED STRUCTURE
     大构筑物的温度效应分析
短句来源
     Earthquake Internal Force on Arches
     的地震内力
短句来源
     The Ultimate Load of the Arches
     的极限荷载
短句来源
     Transboundary Writing
     界书写
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  arch span
The vertical axis is the load factor, while the horizontal axis is the vertical displacements over the arch span.
      


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夹合木拱支架是一种新颖的结构型式,较之一般习用的拱架在设计方面具有一系列显著的特点,考虑合理的筑拱方法可以得到最经济的拱架设计。本文为确定最有利的分段筑拱程序绘制了设计须用的拱力和挠度影响线,并分别制表列出在各次筑拱过程中拱架几个控制截面拱力和挠度的变化及设计拱力和变形的数值,可供设计夾合木拱架时参考应用。对于拱跨及拱段数目不同的各种场合,采用了三铰、双铰和无铰式样的拱架结构,并以所有可能的分段筑拱方案进行拱架拱力与挠度设计数值的分析比较,最后选定出最合理的筑拱程序。本文考虑的分析方法如稍加变通,将不仅适用于现浇的钢筋混凝土拱跨,亦可推广在预制装配式混凝土拱砌块和大跨度石拱中应用。在计算中建议了利用拱力影响值以推算拱弧挠度的方法,因而比较简便地绘制了无铰拱拱顶及拱跨四分点截面的挠度影响线。

Using elastic centre method,this papar in detail analyses and demonstrats that when SIA(static indeteminate arch)is under the action of static loads,how AAC(arch axis contraction) produces effects on its internal force.This result is based on the scientific thesis that the linear displacement in span direction of the arch is zero when SIA is under static loads and arch axis contracts.Then when SIA is under the action or static loads an AAC produces an effect on the internal force,the unigue correct formula is...

Using elastic centre method,this papar in detail analyses and demonstrats that when SIA(static indeteminate arch)is under the action of static loads,how AAC(arch axis contraction) produces effects on its internal force.This result is based on the scientific thesis that the linear displacement in span direction of the arch is zero when SIA is under static loads and arch axis contracts.Then when SIA is under the action or static loads an AAC produces an effect on the internal force,the unigue correct formula is derived on that condition.

本文以“静不定拱在静载荷作用下,拱轴轴向缩短时,沿拱跨方向的相对线变位应等于零”为依据,运用弹性中心法详尽地分析论证了静不定拱在静载荷作用下拱轴轴向缩短对内力的影响。并由此得出了:考虑静不定拱在静载荷作用下拱轴轴向缩短对内力的影响时,唯一正确的公式。

In Central-south and Southwest China, a large area is covered by carbonate rocks. During construction of railway tunnel in this area, we are often confronted with four main karst problems: part or the whole tunnel work is suspending due to the existence of karst caves: accumulated deposit in karst cave is soft and has a drastic effect on the stability of tunnel work; karst water spraying make tunnel excavation and operation more difficult; water leakage along the tunnel- wall may cause tunnel - roof collapse...

In Central-south and Southwest China, a large area is covered by carbonate rocks. During construction of railway tunnel in this area, we are often confronted with four main karst problems: part or the whole tunnel work is suspending due to the existence of karst caves: accumulated deposit in karst cave is soft and has a drastic effect on the stability of tunnel work; karst water spraying make tunnel excavation and operation more difficult; water leakage along the tunnel- wall may cause tunnel - roof collapse and destroy surrounding work-condition.To eliminate above possible hazards, special counterme asures are described briefly in this paper, including: beam spanning, arch spanning, anchoring, tunnel-roof supporting, raft, rotate-shotting piles, piles, bar-drawing arch, water-discharge tunnel, supplementary dredging channel, tube shed, reinforced concrete pile paling and avoidance of dangerous zone.

在中南和西南的碳酸盐岩地区修建铁路隧道时,经常遭遇不同的岩溶危害。本文概述了采用的梁跨、拱跨、锚杆、支顶、浮筏、旋喷桩、桩基、拉杆拱、泄水洞、辅助导坑、管棚、钢筋混凝土桩栅栏以及绕进等特殊处理措施。

 
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