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81 Cards in this Set
- Front
- Back
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Abutment |
Part of a structure which supports the end of a span or accepts the thrust of an arch |
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Anchorage |
Loacated at the most outer edge the part of a suspention bridge that the cables are attached to |
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Aqueduct |
A pitpe or channel open or enclosed which carries water |
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Arch |
A curved structure |
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Beam |
A horizontal Structure member supporting verticle load |
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Bearing |
A device at the end of the beams that is placed on top of a pier or abutment |
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Box Grinder |
A steel beam built-up from many shapes |
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Brace-ribbed arch |
an arch with paraellel chords |
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Bridge |
a raised strucutre build to carry loads |
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Buttress |
A wall projecting perpendiculary from another wall which prevents its outward movement Usally dier at its base and tarpering towards the top |
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Cable |
Oart of a suspenstion bridge extending from an anchorage over the top of the towers |
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Cable stayed Bridge |
a variation of the suspention bridge in which tension members extend from one of more twoers at varying members |
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Cantilever |
A structual member which projects beyound a supporting columm or wall and it counterbalanced |
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Chord |
Either of the two principal member of a truss |
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columm |
a verticle strucal member used to support compressive loads |
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contumus span |
A superstructure bridge which carries the cable over the top of a tower |
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cripple |
A strucal member which does not extend the full height of other around it and does not carry as mcuh load |
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Crown |
on road sufaces wher the center of the highest point is |
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Culvert |
A drain or pipe or channel wich allows water to pass |
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Deck |
the top surface of the bridge |
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Deck Truss |
a truss which carries its deck on it's top chord |
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embarkment |
angled granding of the ground |
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expansion joint |
a meeting point between two structures which is desightned to allow for movemment of the parts due to thermal or moisture |
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falsework |
Temporty structure used as support during contruction |
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Fill |
Earth, stone, or other material used to raise the ground levels |
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Fixed Arch |
A structure anchord in its posistion |
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Floor beam |
Horizontal members which are placed transversly |
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footing |
the enlarged lower portion of a substructure |
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Grinder |
A horizontal stcurure member supporting berical laods |
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Guesser Plate |
a metal plate used to uniter muiltple strucual members of a truss |
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Hinged arch |
a two hinged arch is supporting by a pinned connection at each end |
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Howe Truss |
A type of truss which vertile members and the tenstion and are diagnoal |
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Jersy barrier |
a low reniforced concrete wall wider at the base` |
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Keystone |
the uppermost wedge-shaped voussoir at the crown of the arch |
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Lag |
Crosspieces used to connect the ribs in centering |
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lateral bracing |
members used to stabilize a strucrtue by introducing diagonal connections |
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lattiee |
an assembly of smaller pieces arranged in a grillike patten |
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member |
one of many parts of a structure |
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parbola |
a form of a arch defined by a moving point which remains equidistant froma fixed posistion |
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Pier |
A verticle strucure which supprots the end pof a muilti pan superstuctuer |
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Pile |
a long columm driven deep into the grouind to form part of a foundations |
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pin |
a cylindrical which is used to connect various members of a truss |
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Pony Truss |
A trust which carries its traffic near the op chord but not low enough to allow cross bracing |
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Portal |
the entrance at the ends of the truss |
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Post |
one of the vertical members of the truss |
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Pratt Truss |
a type of truss in which vertical web members are compressed together |
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Pylon |
A monumental vertical structure |
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Reinforcement |
A facing of the macendory |
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Rib |
ant of the arched series of members which is parallel to the length of a bridge |
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Ridge frame bridge |
A type of grinder bridge in which the piers and the deck grinders are fasterd to a joint |
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Rise |
The measure of an arch from the spring line to the highest of the intros |
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Segmentation Arch |
An arch formed along and arc which is drawn from a point below its spring line |
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Simple Span |
A span in which the effective length is the same as the length of the spanning structure |
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Skew |
When the superstructure is not perpendicular is not tbhe substructure a skew angle is created |
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Span |
The length of the bridge |
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The Clear Span |
the space between the inside surface of the span |
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Splice plate |
A plate which joins two grinders commonly riveted or bolted |
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Stanchion |
one of the larges vertical posts supporting the railing |
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Stiffener |
On plate grinder structure steel shapes |
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Stringer |
A beam is aligned with the length of the tring |
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Strut |
A compression member |
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Substructure |
the portion of the bridge including abduct and piers which supports the superstructure |
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super structure |
the portion of the bridge structure which carries the traffic load and passes that load to the substructure |
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Suspended span |
A simple beam supported cantilevers of adjacent spans |
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Suspenders |
Tension members of a suspension bridge Which hangs from the main support |
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Suspension bridge |
a bridge that relies on tension members |
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Swinging bridge |
a bridge that moves and opens horizontal |
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Through truss |
a bridge that carries traffic throught the interior of the bridge |
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Tie |
a suspension member |
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Tied arch |
a bridge that has a tension member arrosed the base of the bridge |
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Tower |
a tall from that supports cables |
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Trestle |
another name for a bridge |
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Truss |
a structural frame |
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Trussed arch |
A arch bridge |
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Upper chord |
upper chord of a truss |
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Vault |
A enclosed structure |
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Vertical lift bridge |
a moveable lift bridge that is raised horizontally |
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viaduct |
any wedge shaped block |
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voussoirs |
any wedge shaped block |
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Warren truss |
a type of frame that uses verticle web frames |
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web |
the system to connect the bottom and top of the bridge |
