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Using fallen trees, stringer bridges can be built. Wood laminated by stress, glued, dowels, or nails lumber are good for panel bridges. New lumber and wood scavenged from buildings and railroad ties can be used to build stringer bridges. [3] A licensed engineer can help operators design a safe, appropriate timber bridge.
Beam bridges are the simplest structural forms for bridge spans supported by an abutment or pier at each end. [1] No moments are transferred throughout the support, hence their structural type is known as simply supported. The simplest beam bridge could be a log (see log bridge), a wood plank, or a stone slab (see clapper bridge) laid
I-beam stringer Chicagon Mine Road–Chicagon Creek Bridge: 1910 1999-12-17 Bates Township: Iron: Concrete slab bridge County Road 557–West Branch Escanaba River Bridge: ca. 1928: 1999-12-17 Wells Township
Falsework includes temporary support structures for formwork used to mold concrete [1] in the construction of buildings, bridges, and elevated roadways. The British Standards of practice for falsework, BS 5975:2008, defines falsework as "Any temporary structure used to support a permanent structure while it is not self-supporting."
The Pont du Gard (c.19 BC), Nîmes; 3 rows of piers with arches springing from them to support the bridge. A pier, in architecture, is an upright support for a structure or superstructure such as an arch or bridge. Sections of structural walls between openings (bays) can function as piers.
There are eleven surviving authentic covered bridges in the U.S. state of Kentucky, and they are all historic. [1] A covered bridge is considered authentic not due to its age, but by its construction. An authentic bridge is constructed using trusses rather than other methods such as stringers, a popular choice for non-authentic covered bridges ...
State Bridge No. 123A Replaced Timber stringer: 1933 1996 Road 123 (Stratham Lane) Kings Causeway Branch Milford: Kent: DE-53: State Bridge No. 456 Replaced Timber stringer: 1934 1996 Road 45 (Walker School Road) Sawmill Branch of Smyrna River: Townsend
A trestle bridge is a bridge composed of a number of short spans supported by closely spaced frames. A trestle (sometimes tressel) is a rigid frame used as a support, historically a tripod used to support a stool or a pair of isosceles triangles joined at their apices by a plank or beam such as the support structure for a trestle table .