Cast-in-place, Pre-cast, and Prestressed concrete exam 2024 with 100% correct answers
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Course
Cast-in-place, Pre-cast, and Prestressed concrete
Institution
Cast-in-place, Pre-cast, And Prestressed Concrete
Cast-in-place concrete correct answersconcrete deposited, formed, cured, and finished in its final position on site as part of a structure; transported to the site in an unhardened state, primarily as ready-mix, and placed in forms
Uses correct answers1. most foundations and slab-on-ground
2. w...
Cast-in-place concrete correct answersconcrete deposited, formed, cured, and finished in its final
position on site as part of a structure; transported to the site in an unhardened state, primarily as ready-
mix, and placed in forms
Uses correct answers1. most foundations and slab-on-ground
2. walls, beams, columns, floors, roofs
3. large portions of bridges, pavements, and other infrastructure
Traditional Forms correct answerstraditional concrete forming technique uses temporary forms, typically
made of aluminum
Tunnel Forms correct answerswalls, floors, and ceilings are cast at the same time
Pre-cast concrete correct answersconcrete is cast in a reusable mould or "form" which is then cured in a
controlled environment, transported to the construction site and lifted into place.
Large panel systems correct answersrefers to multistory structures composed of large wall and floor
concrete panels connected in the vertical and horizontal directions so that the wall panels enclose
appropriate spaces for the rooms within the building
Frame systems correct answersPrecast frames can be constructed using either linear elements or spatial
beam-column sub assemblages.
Slab-column systems with walls correct answersThese systems rely on shear walls to sustain lateral load
effects, whereas the slab-column structure resists mainly gravity loads.
, Flat Plate correct answersa concrete slab reinforced in two or more directions and supported directly by
columns without beams or girders.
Flat slab correct answersis a flat plate thickened at its column capitals and drop panels to increase its
shear strength and moment-resisting capacity
Ribbed Slab correct answersA reinforced concrete slab cast integrally with a series of closely spaced
joists which in turn are supported by a parallel set of beams.
Distribution rib correct answersa rib formed perpendicular to the joists of a ribbed slab to distribute
possible load concentrations over a larger area
Joist band correct answersA broad, shallow supporting beam for a ribbed slab that is economical to form
since its depth is the same as that of the joists
Pan correct answersa reusable metal or fiberglass mold used in forming a ribbed slab
Tapered endform correct answersA pan to form thickened joist ends for a greater shear resistance in a
ribbed slab.
Waffle Slab correct answersA two-way concrete slab reinforced by ribs in two directions. They are able to
carry heavier loads and span longer distances than flat slabs.
Dome correct answersa square metal or fiberglass pan used in forming the ribs of a waffle slab
Lift Slab correct answersa method of concrete construction in which floor, and roof slabs are cast on or at
ground level and, using jacks, lifted into position
Slip Form correct answersis a method for building large towers or bridges from concrete
Slip form Systems correct answersa method of vertically extruding a reinforced concrete section and is
suitable for core walls in high rise structures
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