A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Three-arch bridge structure for resisting unbalanced horizontal thrust
The invention provides a three-arch-bridge structure for resisting unbalanced horizontal thrust, which comprises four arch supports sequentially arranged along a preset path of an arch bridge and opposite-pull rods arranged on the arch supports in a penetrating manner, and the opposite-pull rods are detachably connected with the arch supports; the opposite-pull rods for connecting every two adjacent arch supports are arranged between the two adjacent arch supports, the two middle arch supports are each provided with two rows of opposite-pull rod holes which are formed in an up-down layered mode and extend in the longitudinal bridge direction so that the opposite-pull rods corresponding to every two adjacent span arch rings can be arranged in an up-down layered mode, and the two ends of each opposite-pull rod are fixed to the two adjacent arch supports through anchorage devices respectively. and the two ends of the opposite-pull rods can be used as tensioning ends. By tensioning the opposite-pull rods before construction of all stages of the arch bridge, unbalanced horizontal tension borne by the arch support in the construction process can be offset, and the structural stability ofthe arch support is improved; the opposite-pull rods are detachably connected with the arch supports, the opposite-pull rods can be detached for turnover use after full-bridge construction is completed, the use efficiency of the opposite-pull rods is improved, and the cost is reduced.
本申请提供一种对抗不平衡水平推力的三拱桥结构，包括沿拱桥预设路径依次排布的四个拱座及穿设于所述拱座上的对拉杆，所述对拉杆与所述拱座可拆卸连接；相邻两个拱座之间设有连接两者的对拉杆，且位于中间的两个拱座均设有上下分层布置的两排沿纵桥向延伸的对拉杆孔，以使对应相邻两跨拱圈的对拉杆上下分层布置，所述对拉杆的两端分别通过锚具固定在相邻的两个拱座上，且所述对拉杆的两端均可作为张拉端。通过在拱桥各阶段施工前张拉对拉杆，可抵消施工过程中拱座受到的不平衡的水平拉力，提高拱座的结构稳定性；对拉杆与拱座可拆卸连接，对拉杆可在全桥施工完成后拆除以周转使用，提高对拉杆使用效率，降低成本。
Three-arch bridge structure for resisting unbalanced horizontal thrust
The invention provides a three-arch-bridge structure for resisting unbalanced horizontal thrust, which comprises four arch supports sequentially arranged along a preset path of an arch bridge and opposite-pull rods arranged on the arch supports in a penetrating manner, and the opposite-pull rods are detachably connected with the arch supports; the opposite-pull rods for connecting every two adjacent arch supports are arranged between the two adjacent arch supports, the two middle arch supports are each provided with two rows of opposite-pull rod holes which are formed in an up-down layered mode and extend in the longitudinal bridge direction so that the opposite-pull rods corresponding to every two adjacent span arch rings can be arranged in an up-down layered mode, and the two ends of each opposite-pull rod are fixed to the two adjacent arch supports through anchorage devices respectively. and the two ends of the opposite-pull rods can be used as tensioning ends. By tensioning the opposite-pull rods before construction of all stages of the arch bridge, unbalanced horizontal tension borne by the arch support in the construction process can be offset, and the structural stability ofthe arch support is improved; the opposite-pull rods are detachably connected with the arch supports, the opposite-pull rods can be detached for turnover use after full-bridge construction is completed, the use efficiency of the opposite-pull rods is improved, and the cost is reduced.
本申请提供一种对抗不平衡水平推力的三拱桥结构，包括沿拱桥预设路径依次排布的四个拱座及穿设于所述拱座上的对拉杆，所述对拉杆与所述拱座可拆卸连接；相邻两个拱座之间设有连接两者的对拉杆，且位于中间的两个拱座均设有上下分层布置的两排沿纵桥向延伸的对拉杆孔，以使对应相邻两跨拱圈的对拉杆上下分层布置，所述对拉杆的两端分别通过锚具固定在相邻的两个拱座上，且所述对拉杆的两端均可作为张拉端。通过在拱桥各阶段施工前张拉对拉杆，可抵消施工过程中拱座受到的不平衡的水平拉力，提高拱座的结构稳定性；对拉杆与拱座可拆卸连接，对拉杆可在全桥施工完成后拆除以周转使用，提高对拉杆使用效率，降低成本。
Three-arch bridge structure for resisting unbalanced horizontal thrust
对抗不平衡水平推力的三拱桥结构
ZHANG FENGHUANG (author) / XING ZHIQIANG (author) / LI HONGWEN (author) / ZHOU LIMING (author) / GE YANLI (author) / LIU HUAIGANG (author) / WANG HUAN (author) / ZHANG XIN (author) / XIANG TAO (author) / LIAO SHENGRONG (author)
2020-11-03
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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