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旅大地区位于辽东半岛的尖端,在沿海的海峡上修建了很多桥梁。这些桥梁的中墩、岸墩,不论是杂石混凝土建造或是墩中间以杂石混凝土而外周以浆砌块石等构造,都极容易补海水侵毁。多年来,虽采用过多种多样的方法补修,但随补随坏,严重的影响了交通运输。1955年经我们反复研究,试用了沥青石面青勾缝的办法,实践证明,效果很好。现在介绍如下: 沥青石面青是用柏油、沥青和石面(即把石灰石
Luda area is located in the tip of the Liaodong Peninsula, in the coastal strait built a lot of bridges. The mid-piers and shore piers of these bridges, whether constructed of miscellaneous rock concrete or the middle of piers, are made of miscellaneous stone concrete and the periphery of which is made of masonry stone and the like, so that the seawater can be easily damaged. Over the years, although a variety of ways to repair, but with the fill with the bad, seriously affecting the transport. In 1955, after repeated studies by us, we tried out the method of making the asphalt of the asphalt stone surface, which proved to be very effective. Now introduced as follows: Asphalt Pale green is asphalt, asphalt and stone surface (that is, limestone