| 1. | Influences of transverse bias of arch axis on the arch ring behavior under static loads
拱轴线横向偏离对拱圈静力行为影响 |
| 2. | Rc - masonry combination arch bridge makes rc arch ribs as former spanning structure and falsework of upper masonry ' s construction . finally , reinforced concrete and masonry together form arch ring
它提出了以rc拱肋作为先期的跨越结构和后期高强石砌体砌筑的施工支架，最终由石砌体和rc拱肋共同形成主拱圈的构思。 |
| 3. | In this paper , high strength micro - expansive lightweight aggregate concrete is compounded successfully and it is firstly applied to the reinforcement of arch ring which is reference to the further compound and usability of lightweight aggregate concrete
本文的研究成功地配制了高强度轻质砼，并将轻质砼首次应用于拱桥主拱圈加固，对轻质砼的进一步配制以及广泛应用具有参考价值。 |
| 4. | In this article , according to the execution example on arch ring lining crack defect at some certain single - track railway mountain tunnel , a brief introduction is given to the cause of formation , disposal technique and construction points for attention on this kind of defect
摘要根据某铁路山岭单线隧道拱圈衬砌裂缝病害整治施工实例，简单介绍了病害成因、整治技术及施工注意事项。 |
| 5. | Based on the arch - cantilever method , the stability of arch ring and cantilever beam against elastic buckling in arch dams are analyzed with the theory of elastic stability , and the conclusion is drawn that the stability of arch dam against elastic buckling is governed by the top arch ring
按照拱梁分载法的思想，用弹性稳定理论分别对拱坝的拱圈和悬臂梁的抗屈曲稳定性进行了分析，得出拱坝的抗屈曲稳定性由坝顶拱圈控制的结论。 |
| 6. | Abstract : this paper introduces the global stiffness , strength and stability of bracing structure with long span , pointing out that the control of bracing structure ' s deflection and elastic module can make the arch ring fit the line of pressure and arch axis and can guarantee the stability of bridge structure
文摘:本文介绍了大跨度支撑结构的整体刚度、强度和稳定性，控制支撑的挠度和弹性变量可使拱圈符合设计压力线与拱轴线，保证桥梁结构的稳定性。 |
| 7. | In the light of the characteristics that the joint parts between the concrete rigid - frame structure and steel box arch ring of caiyuanba changjiang river bridge in chongqing mainly work as the compressive elements , the design of the parts is carried out by means of improving the steel plates , and the design methods and local details design of prestressing steels are put forward in order to ensure the safety of the bridge structure
摘要针对重庆菜园坝长江大桥混凝土刚构与钢箱拱接头主要为受压构件的特点，采用改进钢板形式进行设计，提出预应力钢筋的设计方法及局部细节设计，确保结构安全可行。 |
| 8. | Rc - masonry combination arch bridge abandons the disadvantages of conventional masonry arch bridge ' s falsework type construction , which makes longer construction time , higher cost and against protecting environment . compared with double arch bridge , it has better arch ring ' s integer and smaller distortion in the stage of use
Rc -石砌体组合拱桥摒弃了传统石砌拱桥采用有支架施工造成的工期长，造价高，不利于环境保护的缺点；相比于双曲拱桥，主拱圈具有整体性好，使用阶段变形小的优点。 |
