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  2. Insulating concrete form - Wikipedia

    en.wikipedia.org/wiki/Insulating_concrete_form

    Insulating concrete form or insulated concrete form (ICF) is a system of formwork for reinforced concrete usually made with a rigid thermal insulation that stays in place as a permanent interior and exterior substrate for walls, floors, and roofs. The forms are interlocking modular units that are dry-stacked (without mortar) and filled with ...

  3. Open web steel joist - Wikipedia

    en.wikipedia.org/wiki/Open_web_steel_joist

    In structural engineering, the open web steel joist (OWSJ) is a lightweight steel truss consisting, in the standard form, of parallel chords and a triangulated web system, proportioned to span between bearing points. The main function of an OWSJ is to provide direct support for roof or floor deck and to transfer the load imposed on the deck to ...

  4. Composite construction - Wikipedia

    en.wikipedia.org/wiki/Composite_construction

    Structural engineering. In structural engineering, composite construction exists when two different materials are bound together so strongly that they act together as a single unit from a structural point of view. When this occurs, it is called composite action. One common example involves steel beams supporting concrete floor slabs. [1]

  5. Steel frame - Wikipedia

    en.wikipedia.org/wiki/Steel_frame

    The central "web" of the steel I-beam is often wider than a column web to resist the higher bending moments that occur in beams. Wide sheets of steel deck can be used to cover the top of the steel frame as a "form" or corrugated mold, below a thick layer of concrete and steel reinforcing bars. Another popular alternative is a floor of precast ...

  6. Prestressed concrete - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete

    Post-tensioned concrete is a variant of prestressed concrete where the tendons are tensioned after the surrounding concrete structure has been cast. [ 1 ] : 25 The tendons are not placed in direct contact with the concrete, but are encapsulated within a protective sleeve or duct which is either cast into the concrete structure or placed ...

  7. Post (structural) - Wikipedia

    en.wikipedia.org/wiki/Post_(structural)

    Post (structural) A post is a main vertical or leaning support in a structure similar to a column or pillar, the term post generally refers to a timber but may be metal or stone. [1][2][3][4][5][6][7] A stud in wooden or metal building construction is similar but lighter duty than a post and a strut may be similar to a stud or act as a brace.

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