经过监测，采用拱圈支护结构变位很小。
That the deformation of the arch ring support structure is smaller was validated by monitoring data.
它以石块砌筑，弓形的拱圈拼法也有特殊。
公式的适用范围为拱底到拱顶的半个拱圈。
This formula is suitable for half an arch from arch bottom to vault.
介绍了拱圈支护结构的设计及施工中应注意的问题。
The points should be put attention on in design and construction of arch ring support structure was introduced.
混凝土开口薄壁箱拱桥一般采用薄壁拱圈的转体施工。
Open thin-walled concrete box arch bridge generally uses the method of turning construction of thin-walled arch.
证明了本桥主拱圈浇筑采取贝雷钢桁钢架是安全可行的。
It is safe and feasible to concrete the main arch-circle by steel arch truss.
讨论了拱上建筑和拱圈质量分布模式对结构动力特性的影响。
Finally, the influences of the spandrel structure and the arch mass distribution mode upon the structural dynamic behavior are studied.
高速公路跨线刚拱桥的主拱圈施工中，一般采用支架现浇施工。
Bracket moulding method is adopted popularly while rigidity over line arch bridge main circle construction is proceeding.
拱坝水平拱圈的线型和体形优化目标选择是拱坝设计的两个重要内容。
The horizontal arch ring type and its shape optimization are the two important considerations in arch dam design.
导出了在单位水平移动荷载作用下，拱圈内力与支承反力影响线的计算公式。
Some formulas of inner force of arch ring, and the line of reaction of support with the action of unit live load are presented.
主拱圈施工完毕，达到设计强度后，设计制作了丁纶帆布砂袋进行卸载落架。
After construction of the main arch, and reaching the designed strength, sandbags made of canvas were used to unload.
同时，利用空间三维有限元子域法对拱圈建立起模型，并给出相应的解决步骤。
Moreover, three-dimensional finite element model is set up to simulate the arch ring, and the measures relevant are also raised.
空腹式拱桥是指主拱圈和主梁之间用立柱支撑，在主拱圈以上设有腹拱的拱桥。
Empty arch bridge is the arch bridge that USES sign pillar to prop up between the main arch and main beam, and has inner-arch on the main arch.
文中介绍了该桥的施工过程和关键工序的质量控制方法，以及在施工过程中和竣工后对主拱圈的观测测量结果。
The paper introduces construction procedure and quality control methods of the bridge, also discusses observation results of main arch ring during construction and completion of work.
旨在通过弹性支撑和原结构的共同作用，达到改善原拱桥力学性态、减小主拱圈在外荷载作用时的内力的目的。
Its purpose is to through the elastic support and the original structure together function, reducing the internal force of the main arch ring when the live load is on, improving force capacity.
针对拱桥主拱圈的加固方法进行了综述，以实例说明了拱桥主拱圈加固的技术方案，介绍了如何具体施工的过程。
The article introduces the reinforcement method of the main arch ring of arch bridge, presents the technical scheme of reinforcement and expounds the concrete construction method.
这些早期建造的石拱桥由于设计承载力较低、环境腐蚀等原因，逐渐出现一些损伤，如拱圈漏水、砂浆风化、拱脚开裂等。
And because of its low design carrying capacity, some damages are appearing now, such as arch leaking, mortar weathering and arch springing cracking.
使用全自动数据采集设备和处理系统，对每一工况下的支架、拱圈应力进行适时监控，确保了施工过程中支架和主拱圈的安全。
Timely monitor of their stress in each working conditions can ensure the safe of support and main arch circle with full-automatic data acquisition system.
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。
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.
在石拱桥拱圈的下部进行衬砌加固，使老石拱桥拱圈与新钢筋混凝土套拱形成整体，共同受力，是一种维修加固石拱桥的简单实用的方法。
The effect method of reinforce and maintenance the stone arch bridge is to build liner around the arch bridge down area. That combines the old arch round and the new reinforced concrete together.
给定拱轴的石拱桥，对应于每个荷载工况，拱圈有一个最小极限厚度。如果拱圈厚度等于或小于这个极限，石拱将出现三个以上的铰而破坏。
For a stone arch bridge with a given arch centre line and a given loading condition, there exists a minimum thickness limit for the arch ring.
给定拱轴的石拱桥，对应于每个荷载工况，拱圈有一个最小极限厚度。如果拱圈厚度等于或小于这个极限，石拱将出现三个以上的铰而破坏。
For a stone arch bridge with a given arch centre line and a given loading condition, there exists a minimum thickness limit for the arch ring.
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