arch ring 隧道拱圈 ; 桥涵拱圈
closure of arch ring 拱圈封顶
arch ring stress adjustment 拱圈应力调整 ; 拱圈应力调解
construction joint for arch ring 拱圈施工缝
Arch Ring Slabs 拱圈底板
horizontal arch ring 水平拱圈
web arch ring 腹拱圈
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.
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 horizontal arch ring type and its shape optimization are the two important considerations in arch dam design.
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 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.
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。
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