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Method for expanding the space below a stone arch bridge and a stone arch bridge
Method for expanding the space below a stone arch bridge and a stone arch bridge
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机译：扩大石拱桥和石拱桥下方空间的方法
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摘要
A method of enlarging the space beneath a masonry arch bridge which includes a masonry arch and a spandrel wall at each end of the masonry arch includes forming a movable portion of the masonry arch bridge by cutting the spandrel walls to form a cut on each side of the masonry arch. A lifting force is applied to the masonry arch to raise the masonry arch to a raised position. The masonry arch is then secured in the raised position.
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