介绍了预应力后张法负弯矩的施工与检测技术。
This paper introduces the construction and test techniques for prestressed and post-tensioned negative moment.
据此，对连续组合梁的负弯矩调幅系数提出了建议。
The proposed formulae for the moment redistribution ratio are valuable to the design of continuous composite beams.
试验中考虑了负弯矩筋长度和预应力度两个主要因素。
Length of negative moment reinforcement and level of prestress were the main factors of the specimens.
研究了负弯矩区截面未完全塑性时出现局部失稳的连续组合梁的稳定。
Local buckling of continuous composite beams with non compact section is investigated.
并得出了负弯矩筋长度、预应力度对无粘结预应力混凝土连续板的影响。
The effect of different lengths of negative moment reinforcement and levels of prestress on the behavior of the slabs were also acquired.
研究了外部U形粘贴碳纤维布加固钢筋混凝土梁负弯矩区段斜截面的受力特性。
This paper makes experimental study of stress character of reinforced concrete beam's oblique section in negative area strengthened with U-jackets carbon fiber reinforced polymer (CFRP).
最后给出了带锚固板负弯矩钢筋梁内搭接方案以及使用锚固板锚固的设计建议。
Finally, design recommendations were put forward for the lapping inside the beam scheme of negative reinforcements with anchor end plates, and for the reinforcement anchoring with end plates.
连续组合梁在内支座处的负弯矩区段会出现混凝土板受拉、钢梁受压的不利局面。
Adverse condition of concrete in tension and steel joist in compression occurs at inner support regions of continuous composite steel concrete beams.
墩顶负弯矩主要来自于二期恒载和活载。当桥墩较高时，刚架桥可简化为连续梁桥计算。
When the pier is high, rigid-framed bridge can be simplified to continuous beam bridge.
基于弹性半无限空间的幂级数法不能计算格构梁上的负弯矩区段，与数值分析的结果不符。
The negative moment of the beam can not be concluded by the method based on the half-space elastic foundation theory, but the negative moment is proved by the numerical analysis.
计算表明，在正常设计工况下，加桩后前墙弯矩减少了约70%，负弯矩减少了约10%。
The results show that under normal conditions of the design, after adding piles, the moments of the front wall are reduced by about 70%, and the negative moments about 10%.
文章通过计算分析，发现可以用支座负弯矩调幅和减小梁间距的办法，满足侧向稳定的要求。
This paper can satisfy the requirement with steady lateral buckling with the method that scales down the bending moment and abate the space between beams.
如有必要，可以将负弯矩配置到承担一半以上的总弯距，这很适于使桥梁形成优美的曲线轮廓。
If desired, the hogging may be arranged to take more than half the total moment, which fits well with a graceful curved profile.
不同的连续端混凝土浇筑和后连续预应力张拉顺序会导致永久支座负弯矩区的压应力储备不同。
The cast of concrete at different end and the post-tensioning of continuous prestress make the negative bending moment section of the permanent support have different compressive stress reservation.
分析在正常使用极限状态下截面内力分别为最大负弯矩和最大正剪力两种工况下应力分布规律。
Then take three-dimensional simulation for the model, and analyze the stress distribution when conditions maximum positive shear or maximum nagetive moment happens.
钢-混凝土组合连续梁桥的中间支座附近为负弯矩区，会导致桥面混凝土开裂，缩短使用寿命。
Negative bending moment nearby the middle supports of composite steel-concrete continuous beam bridge, will cause floor deck concrete to crack and shorten its life.
试验表明，外包钢-混凝土组合梁负弯矩区钢筋和外包钢梁通过抗剪连接措施能有效地共同工作；
Test results indicate that effective cooperation can be achieved by the shear-resistant connection between the reinforcement in the negative moment area and the outer-plated steel beam.
计算结果表明，在某些情况下，地基反力趋于均匀，基础梁正弯矩显著减少，而负弯矩则显著增大。
The results show, in some cases, that the pressure against the soil foundation tends to be even, the sagging bend moment of the foundation beam is reduced and the hogging bend moment of the fo...
组合框架梁由于梁端存在负弯矩区，其设计及构造较简支组合梁复杂，限制了其在实际工程中的应用。
In negative moment region of composite frame beam, its design and the detail of struction are more complicated than that of simply supported composite beam, so it was seldom adopted in project.
主梁后浇结构层与墩顶梁端湿接头浇筑顺序以及墩顶负弯矩预应力筋张拉顺序是简支变连续梁桥施工的关键工序。
The constructing procedure of the monolithic layer and the wet joints of the girders and the orders of straining the pre-stress force are the key orders of the simply supported-continuous system.
本文的主要特点为有料向板条的选取及荷载传递、简支不规则板的负弯矩裂缝线以及点支承板条和板的剪切劈裂问题。
The distinguishing features of the paper are selection of oblique strip and loading transmission, negative yielding line in irregular slab with simple supports, point support and shear split of slab.
本文的主要特点为有料向板条的选取及荷载传递、简支不规则板的负弯矩裂缝线以及点支承板条和板的剪切劈裂问题。
The distinguishing features of the paper are selection of oblique strip and loading transmission, negative yielding line in irregular slab with simple supports, point support and shear split of slab.
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