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  2. Bascule bridge - Wikipedia

    en.wikipedia.org/wiki/Bascule_bridge

    A bascule bridge (also referred to as a drawbridge or a lifting bridge) is a moveable bridge with a counterweight that continuously balances a span, or leaf, throughout its upward swing to provide clearance for boat traffic. It may be single- or double-leafed.

  3. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    The issuance of a drawing from the engineering/design activity to the production activity. In other words, the event when a draft becomes a completed, official document. A stamp on the drawing saying "ISSUED" documents that RTP has occurred. RTV: room-temperature vulcanizing; return to vendor: 1. RTV sealants, a way to seal joints. 2.

  4. Glossary of structural engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_structural...

    Structural steel design – Structural system – Strut channel – Subbasement – Subframe – Sublimation – Subsumption architecture – Surface tension – Superhard material – Surveying – Suspension bridge – is a type of bridge in which the deck (the load-bearing portion) is hung below suspension cables on vertical suspenders.

  5. Drawbridge - Wikipedia

    en.wikipedia.org/wiki/Drawbridge

    Animation showing the operation of a drawbridge. A drawbridge or draw-bridge is a type of moveable bridge typically at the entrance to a castle or tower surrounded by a moat.In some forms of English, including American English, the word drawbridge commonly refers to all types of moveable bridges, such as bascule bridges, vertical-lift bridges and swing bridges, but this article concerns the ...

  6. Clearance (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Clearance_(civil_engineering)

    In civil engineering, clearance refers to the difference between the loading gauge and the structure gauge in the case of railroad cars or trams, or the difference between the size of any vehicle and the width/height of doors, the width/height of an overpass or the diameter of a tunnel as well as the air draft under a bridge, the width of a lock or diameter of a tunnel in the case of watercraft.

  7. Double-beam drawbridge - Wikipedia

    en.wikipedia.org/wiki/Double-beam_drawbridge

    A double-beam drawbridge, seesaw or folding bridge is a movable bridge . It opens by rotation about a horizontal axis parallel to the water. Historically, the double-beam drawbridge has emerged from the drawbridge. A (double-beam) drawbridge has counterweights, so that operating requires less energy compared with such a bridge without ...

  8. Bridge management system - Wikipedia

    en.wikipedia.org/wiki/Bridge_management_system

    A bridge management system (BMS) is a set of methodologies and procedures for managing information about bridges. Such system is capable of document and process data along the entire life cycle of the structure steps: project design, construction, monitoring, maintenance and end of operation. [1] [2]

  9. Falsework - Wikipedia

    en.wikipedia.org/wiki/Falsework

    A certain type of bridge, the self-anchored suspension bridge, must be supported during construction, either by the use of cantilever or suspension methods or by support from below. Support from below was used in the construction of the main span of the eastern span replacement of the San Francisco–Oakland Bay Bridge , using parallel ...