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“大路”桥位于江西修水县大路村边的一条河涧上,处于12％的陡坡脚下。去年四月,结合改善纵坡,修建成为一座全部干砌的乱石拱桥。六月下旬竣工通车。大路桥的孔径为1孔4米,全长12米,设计荷载汽—10,净宽7米,斜宽8.60米,基础系直接砌筑在岩层上,拱架采用土牛拱胎。矢高比为1/2。拱顶、拱脚均为50厘米厚。桥面纵坡为6.3％。砌筑材料(包拱圈石)约有15％为旧(土攵)墓石,40％大河卵石,45％开山片石。基础、桥台、拱圈、护拱、翼墙、护坡等全部干砌。圬工尺寸体积与一般浆砌
The “Great Road” Bridge is located on a river bank near the village of Dashu Road in Xiujiang County, Jiangxi Province, at the foot of a 12% steep slope. In April last year, in conjunction with the improvement of the longitudinal slope, it was built as a completely stoned stone arch bridge. Completed in late June opened to traffic. The diameter of the road bridge is 1 hole 4 meters, a total length of 12 meters, the design load steam -10, net width of 7 meters, 8.60 meters wide, the basis of the Department of masonry directly in the rock formations, the arch frame using soil cattle arch tires. The aspect ratio is 1/2. Vault, arch feet are 50 cm thick. Bridge deck longitudinal 6.3%. About 15% of the masonry material (including arch stone) is the old (clay) headstone, 40% of the river pebbles, and 45% of the mountain rocks. Basis, abutments, arch ring, arch protection, wing walls, slope protection, and all dry construction. Workman size and general size masonry