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  2. Cremona diagram - Wikipedia

    en.wikipedia.org/wiki/Cremona_diagram

    Starting at joint Aorda, the internal forces can be found by drawing lines in the Cremona diagram representing the forces in the members 1 and 4, going clockwise; V A (going up) load at A (going down), force in member 1 (going down/left), member 4 (going up/right) and closing with V A. As the force in member 1 is towards the joint, the member ...

  3. Precast concrete lifting anchor system - Wikipedia

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

    The rigging arrangements can influence the applied anchor load, where statically indeterminate systems are not necessarily a design consideration, but can be used in practice. The determination of the loads through the rigging system must be a consideration whilst calculating the load resistant model, refer to the examples shown in Figure 3.

  4. Lift slab construction - Wikipedia

    en.wikipedia.org/wiki/Lift_slab_construction

    Axon and elevation diagram of lift slab construction. Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the ...

  5. Tilt up - Wikipedia

    en.wikipedia.org/wiki/Tilt_up

    This roof system is one of the most commonly used systems in commercial buildings, including those with masonry walls, precast concrete walls, and almost all forms of wall construction. The Tilt-Up concrete panels performed very well and survived the extreme loads of the EF-5 event only to collapse after the roof failed due to lack of bracing ...

  6. Domestic roof construction - Wikipedia

    en.wikipedia.org/wiki/Domestic_roof_construction

    The blue pieces are roll formed metal roof battens or purlins. This roof is built with purpose-made steel hook bracket which is bolted to the truss with M16 bolt. The bracket is bolted to an M16 bolt cast in situ, embedded 300 mm (12 in) into the reinforced concrete block wall. This system is typically in place every 900 mm (35 in) around perimeter

  7. Diaphragm (structural system) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(structural_system)

    The diaphragm of a structure often does double duty as the floor system or roof system in a building, or the deck of a bridge, which simultaneously supports gravity loads. [1] Parts of a diaphragm include: [2] the collector (or membrane), used as a shear panel to carry in-plane shear

  8. Shop drawing - Wikipedia

    en.wikipedia.org/wiki/Shop_drawing

    Concrete reinforcing is custom-fabricated from 60-foot-long reinforcing bars. [5] The reinforcing bars are cut to length and bent to specific configurations. The shop drawing and the accompanying “cut sheet” lists the quantity, sizes, lengths, and shapes of the reinforcing bar. [ 5 ]

  9. Block and tackle - Wikipedia

    en.wikipedia.org/wiki/Block_and_tackle

    A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.