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  2. Waffle slab - Wikipedia

    en.wikipedia.org/wiki/Waffle_slab

    The height of the ribs and beams should be 1 ⁄ 25 of the span between columns. [3] The width of the solid area around the column should be 1 ⁄ 8 of the span between columns. Its height should be the same as the ribs. [3] Diagram showing waffle slab rib and Beam Heights rule of thumb formulas.

  3. Lally column - Wikipedia

    en.wikipedia.org/wiki/Lally_column

    A Lally column is a round or square thin-walled structural steel column filled with concrete, [1] and oriented vertically to provide support to beams or timbers stretching over long spans. Lally columns are an engineered component and as such must be installed exactly as the design engineer specified.

  4. Viga (architecture) - Wikipedia

    en.wikipedia.org/wiki/Viga_(architecture)

    An umbral or lintel was added for support of the viga along with vertical posts in these spaces. [12] The porch's roof treatment was the same as in the interior room, but the space provided was used for different purposes. Vigas were usually installed with the smaller ends to one side of the roof to facilitate good drainage. [12]

  5. Column - Wikipedia

    en.wikipedia.org/wiki/Column

    The term column applies especially to a large round support (the shaft of the column) with a capital and a base or pedestal, [1] which is made of stone, or appearing to be so. A small wooden or metal support is typically called a post. Supports with a rectangular or other non-round section are usually called piers.

  6. Glossary of architecture - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_architecture

    (Greek: Περίστασις) A four-sided porch or hall of columns surrounding the cella in an ancient Greek peripteros temple (see also Peristyle). In ecclesial architecture, it is also used of the area between the baluster of a Catholic church and the high altar (what is usually called the sanctuary or chancel). Peristyle

  7. Precast concrete lifting anchor system - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete_lifting...

    The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...

  8. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    A staircase or stairway is one or more flights of stairs leading from one floor to another, and includes landings, newel posts, handrails, balustrades, and additional parts. [4] In buildings, stairs is a term applied to a complete flight of steps between two floors.

  9. Hollow structural section - Wikipedia

    en.wikipedia.org/wiki/Hollow_structural_section

    When this is done, the product is referred to as a Lally column after its inventor John Lally of Waltham, Massachusetts. (The pronunciation is often corrupted to lolly column.) For example, barriers around parking areas made of HSS are often filled, to at least bumper height, with concrete. This is an inexpensive (when replacement costs are ...

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