Abutment. A substructure composed of stone, concrete, brick or timber supporting the end of a single span or the extreme end of a multispan superstructure and, in general, retaining or supporting the approach embankment placed in contact with it.
Abutment
A mass of masonry supporting an arch or beam at the ends of a bridge.
Acceptance ...
Abutment
A foundation which anchors and supports lateral pressure or thrust, such as the weight-bearing piers at the ends of a bridge which hold back solid ground.
AC (Alternating Current) ...
Abutment
ACC
[MR] Alphacyanoacrylate, Super glue, also called "CA". A high-strength adhesive that can be used on metal and styrene plastic.
Now, mount the abutments and build up and fix the footers under the towers. Make sure that they touch but do not glue the towers on the footers just yet. Lift the bridge out and do all of the scenery and detail first.
Abutment -A foundation designed to hold back the pressure of solid ground, such as an end pier of a bridge.
ACC - Alphacyanoacrylate, Super glue, also called "CA".
Accommodation - A local train which makes all stops.
Occasionally, a signal may be mounted to a structure such as a retaining wall, bridge abutment or overhead electrification support.
Control and operation of signals
Originally, signals displayed simple stop/proceed indications.
Cribbing - A layered lattice of concrete, logs, steel, or timber that is often filled with earth or stones, cribbing is used in the construction of bridge abutments, dams, foundations, retaining walls, etcetera.
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Today, almost little remains of the manicured high-speed multi-track mainline and impressive concrete stations of “The Boston-Westchester' (as it was known by local residents)--aside from a few massive embankments and bridge abutments ...
Many a badman found himself captured by the lariat man! If any one item had almost universal applications, it was the lasso. It could snare and enemy, capture a horse, or loop on a rock abutment so cowboys could climb to safety.
After that, wood gave way to iron and steel, which then led to arches and cantilevers. In the 1890's we started seeing lift drawbridges. Around the same time, concrete, instead of stone, started being used for abutments and pier supports.
 See also: Current, Track, Standard, Special, Rail
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