Give some construction examples to introduce how to take some effect measures to control cracks of long span in RC frame beam.
通过工程实例，介绍应如何在施工实践中，采取各种有效措施以控制大跨度框架梁裂缝的产生。
This idea can be used for design of large span continuous beam in strong seismic area.
这种抗震设计思想对高烈度地区的大跨径连续梁桥设计具有现实意义。
In a certain range of span, the slab bridge without beam has more advantages than that of the beam bridge.
在一定跨度范围内，与梁桥的相比，无梁板桥具有更多的优点。
Moreover, the change tendencies of the frequencies of the multi span beam with the gaps are studied.
得到了静水中多跨梁的固有频率随间隙值的变化规律。
When actual span D-value of equal section continuous beam in designs is less 10%, equal span chart is employed to calculate internal force.
在设计中当等截面连续梁的计算跨度相差不超过10%时，可用等跨的图表来进行内力计算。
The practical construction results show that the computation theory of this rails beam is credible and this rails beam is a good method to enhance rail's span in the crossing site.
理论计算及工程实践表明本连续梁式架空轨束梁的设计计算方法可靠，连续梁架空方式是提高轨束梁架空跨度的有效方法。
A reducible geometric programming is applied to general design of optimum continual beam and frame. Two span beam and steel door-frame are calculated and give satisfactory results.
将集约几何规划法应用在连续梁和刚架的主体优化设计中，计算了两跨连续梁和门式钢框架，均得到满意结果。
Based on an engineering example, author introduce design and construction of prestressed large-span, large section beam formwork and formwork supports.
本文结合实际工程，介绍了长乐会堂工程大跨度、大截面预应力大梁的模板及支撑系统设计及施工中的技术要点控制。
This paper has made use of the mo me nt distribution method to bring on the formulas of support moment of unequal span continuous beam less than or equal to four spans.
本文利用弯矩分配法推导出四跨以内不等跨连续梁支座弯矩精确值的算式。
The simplest type of span is a beam bridge, consisting of a rigid beam between tow supports.
最简单的桥梁是梁桥，由钢性梁和两端的两个支柱构成。
Most of Minisize span suspension Bridges with steel truss beam constructed in early age will approach its designed working life.
早期修建的小跨径钢桁梁悬索桥大部分已接近设计年限，正确评估其承载能力是桥梁维修、加固和技术改造的基本依据。
This paper introduces the construction situation of biggest span prestressing bend beam, and brings up problems paying attention in key working procedure.
该文所介绍的是目前国内最大跨径预弯梁的施工概况，提出的一些关键工序应注意的问题。
Due to the large span of the floor slab, the moment torsion of the beam, under the vertical load, is obvious.
由于板跨较大，竖向荷载使梁截面承受的扭矩较大。
Then the gray system theory is applied in the construction control of long-span prestressed concrete continuous beam bridge.
从而将灰色系统理论成功应用到大跨度预应力砼连续梁桥的施工控制中。
It is suggested that the span-depth ratio of wall-bearing transfer beam should be less than 8 in seismic design, 10 in static design for SRC structure.
建议一般型钢混凝土托墙转换梁的允许跨高比在抗震设防时不大于8，对非抗震设计工程，跨高比不大于10；
The roof in working areas is simplified as rock beam, the maximum tensile stress and limited span of rock beam are important in mining engineering.
将采场顶板简化为岩梁模型，岩梁的最大拉应力及其极限跨距是采矿工程涉及到的两个重要参数。
In the allowable scope of span the beam-less slab bridge has more advantages in comparison with beam Bridges.
在跨度允许范围内，与梁桥相比，无梁板桥具有更多的优点。
The Shekou Mechants shopping center project embodies the application of the flat beam wide span plank.
蛇口招商购物中心工程采用了宽扁梁-大跨度板的体系。
Two issues related to the stability of large span beam bridges with high piers are introduced and discussed in this paper.
对于高墩大跨梁桥，由于其日益广泛地采用高强材料和薄壁结构，因而稳定问题也就更显重要。
Based on the force behavior of joist of large-span prestressed space frame system, space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software.
针对大跨度预应力空间框架体系托梁受力复杂的特点，采用ANSYS软件进行了预应力梁板体系的空间有限元分析。
An introduction is given to key construction flow, quality detection and quality control of bracket method for large span prestressed cantilever box beam cast in place.
结合工程实例，介绍大跨度预应力现浇箱梁托架法施工的关键工序、质量检测及控制。
The general formulas of internal forces and displacements of skewly supported single-span beam are deduced from the energy principle.
首先从能量原理出发，推导了斜支单跨梁内力及变形计算的一般公式。
These would provide experience and reference of cantilever pouring for over-water foundation and continuous beam bridge of large span.
文中介绍的施工方法和施工工艺，对于水上基础的施工和大跨度刚构梁桥的悬灌施工提供了经验和借鉴。
This method can not only be used to draw shear force diagram quickly, but also to determine the shear sign automatically, and to verify the reaction force of multi-span beam.
该方法不但能快速绘制剪力图，而且自动确定剪力符号，兼可对多跨梁的支座反力进行校核。
Thus, when reinforcing the multi-span simply-supported T-beam by this method, enhancing the shear resistance of beam at intermediate support must be conducted yet.
建议在采用此方法加固多跨简支T梁的同时应对中间支点梁的抗剪能力进行加固。
The structure of thin-walled box girders are commonly applied in some large span continuous beam bridges and rigid frame bridges in our country.
我国已建成的一些大跨径连续梁桥及大跨径连续刚构桥都普遍采用薄壁箱形截面。
Therefore, the paper expatiates counter-arched method of long span box beam-iteration, and the process of counter-arched calculation of Shenzhen conference and exhibition center.
为此，本文阐述了大跨度箱形梁的预拱确定方法——逆迭代法，并以深圳会展中心箱形梁为实例说明计算过程。
Some meeting room of Sichuan International Tennis Center applies large-span and cantilever prestressed structure simultaneously to form cross prestressed beam structure.
四川国际网球中心会议中心某会议室同时采用大跨度和悬挑预应力结构，形成交叉预应力梁结构。
The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.
利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.
利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
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