Also it is necessary to use two anchor ties to minimize horizontal displacement of sheet-pile wall while wharf bank wall with a large height.
当码头岸墙高度较大时，板桩的锚拉杆需在两根以上，才能减小板桩墙的水平位移。
A through tied-arch bridge is a type of built-up arch structure, characterized by the horizontal thrust of arch end being balanced by its ties.
下承式系杆拱桥以系杆承受水平推力，属于无推力的组合体系拱结构。
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