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).
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.
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.
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.
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.
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.
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...
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.
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.
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.
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.
应用推荐