Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 78
the re- quired distance to timber piers constructed for their support at properly located points in the line of the temporary bridge. This gave an unobstructed waterway; and, by leaving the old piers in position until next summer, the timber piers will be protected from drifting logs and ice. This… … Fig. 4. The accompanying photographs show so clearly their construc- tion, and the manner in which the spans were moved, that very little additional explanation is necessary. The distance between the faces of the old and new piers is about 30 feet, and this space was bridged with four 15-inch I…
Engineering
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