StructuralWiki - User contributions [en]

Boring casing

2006-11-15T21:42:55Z

Chune:

A [[wrought-iron]] [[pipe]] from 2 1/2 inches to 3 inches or more in [[diameter]] placed outside of the [[churn]] pipe, used in [[drilling]] [[test]] [[holes]] for [[pier]] [[foundations]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boring bar

2006-11-15T21:41:12Z

Chune:

A [[machine]] [[tool]] consisting of a special [[bar]] with [[cutters]] attached, used in a [[lathe]] or [[boring]] machine.

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boring

2006-11-15T21:39:49Z

Chune:

Any [[hole]] that has been bored, such as a [[boring]] for a [[pier]] [[foundation]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bore

2006-11-15T21:38:34Z

Chune:

To make a [[hole]] in any material by cutting away a part of it. To [[drill]]. The [[calibre]], or internal [[diameter]], of a hole, [[tube]], or [[pipe]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom tackle

2006-11-15T21:37:06Z

Chune:

The [[tackle]] used for manipulating the [[boom]] of a [[derrick]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom-seat

2006-11-15T21:36:03Z

Chune:

The place in a [[derrick]] where the [[boom]] and the [[mast]] meet and rest on the [[sill]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom-out

2006-11-15T21:34:57Z

Chune:

The [[position]] of the [[boom]] at its greatest [[reach]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom iron

2006-11-15T21:33:57Z

Chune:

A [[circular]] [[iron]] [[ring]] on the end of a [[mast]] of a [[derrick]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom guy

2006-11-15T21:32:41Z

Chune:

A [[line]], [[cable]], or adjustable [[rod]] fastened to the middle of a [[derrick]] [[boom]] and extending to the [[bull-wheel]] to which it is attached so as to act as a [[brace]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom brace

2006-11-15T21:30:56Z

Chune:

A [[tackle]] extending from the end of the boom to the top of the [[mast]] in a [[derrick]]. The trussing placed below or at the sides of the [[boom]] to strengthen it.

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boom

2006-11-15T21:29:25Z

Chune:

A long [[beam]] or [[spar]] projecting from near the [[foot]] of a [[derrick]], and sustaining the [[load]] that is raised from its outer end. In England the term is used as a [[synonym]] for a [[chord]] of a [[truss]].

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bonnet

2006-11-15T21:27:44Z

Chune:

A [[cap]] over the end of a [[pipe]]. A [[cast-iron]] [[plate]] bolted down as a covering over an opening.

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Boning

2006-11-15T21:26:32Z

Chune:

A method used by [[carpenters]] and [[masons]] to determine whether a surface is in or out of [[wind]]. It consists in placing two similar straight edges on the surface, parallel to each other, and sighting over their upper edges to see if they coincide. If they do not, the surface is in wind.

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bond stress

2006-11-15T21:25:08Z

Chune:

The longitudinal [[stress]] set up between the surface of a [[reinforcing bar]] and the surrounding [[concrete]].
[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bonanza tile

2006-11-15T21:23:42Z

Chune:

Anything that binds, fastens, or holds together pieces of material, as the [[connection]] of one stone to another. A certificate of ownership of a specified portion of a capital debt due by a government, a city, a railroad, or other corporation, to individual holders, and usually bearing a fixed rate of interest. Also an electrical connection, such as a bar of [[copper]] [[wire]] [[soldered]] to two [[track]] rails near their [[junction]]. Also the manner of laying [[bricks]] or [[masonry]] [[stones]]. A guarantee.

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bolt head

2006-11-15T21:21:26Z

Chune:

The enlarged end of a bolt having a [[square]] or [[hexagonal]] [[shape]].
[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bond resistance

2006-11-15T21:20:10Z

Chune:

The [[resistance]] offered to the slipping of a [[reinforcing bar]] when [[imbedded]] in [[concrete]].
[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bond resistance

2006-11-15T21:19:15Z

Chune:

The resistance offered to the slipping of a reinforcing bar when imbedded in concrete.
[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bonanza tile

2006-11-15T21:18:12Z

Chune:

Anything that binds, fastens, or holds together pieces of material, as the connection of one stone to another. A certificate of ownership of a specified portion of a capital debt due by a government, a city, a railroad, or other corporation, to individual holders, and usually bearing a fixed rate of interest. Also an electrical connection, such as a bar of copper wire soldered to two track rails near their junction. Also the manner of laying bricks or masonry stones. A guarantee.

[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bolt head

2006-11-15T21:17:08Z

Chune:

The enlarged end of a bolt having a square or hexagonal shape.
[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)

Bolt eye

2006-11-15T21:15:53Z

Chune:

The eye in an "Eye Bolt."
[[Category:Glossary]]

Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L.
Waddell's Bridge Engineering (New York: Wiley, 1916)