Quality control would be high on the list, for concrete may be made with minimum water under factory conditions. Concrete pipes for example are made from aggregate that appears only slightly damp! - But with steam curing, a quality product results.
Accurate, repeatable products are another advantage. And factory manufacture produces the quality product at good speed.
Freedom from weather and site conditions would be another.
disadvantage: - require more time to construct compare to precast concrete slab -more on-site labor required - require formwork advantage: -most commonly use -do not require storage for material (e.g. precast concrete slab need place to store)
Flexicore is a specific type of precast concrete system, primarily used for flooring and roofing. It combines precast concrete slabs with hollow cores to reduce weight while maintaining strength. While all Flexicore products are precast concrete, not all precast concrete products are Flexicore, as precast concrete encompasses a broader range of components and applications.
the consist of precast slabs fixed on concrete posts
yes
unlike standard concrete which is in a liquid form and poured were it is needed and formed, precast concrete is molded offsite into the form that is required and then shipped to the site where it will be set into place.
Martin J. Gutzwiller has written: 'Use of precast, prestressed concrete for bridge decks' -- subject(s): Bridges, Floors, Precast concrete, Prestressed concrete, Testing
A. H. Gustaferro has written: 'Design for fire resistance of precast prestressed concrete' -- subject(s): Fire testing, Precast concrete, Prestressed concrete 'Fire resistance of prestressed concrete beams' -- subject(s): Concrete beams, Fire testing, Testing
Frank Lloyd Wright
Precast concrete is compatible with a variety of materials, including steel reinforcement bars (rebar), which enhance its tensile strength. It can also be combined with various finishes such as brick, stone, or tile to achieve desired aesthetic effects. Additionally, insulation materials can be integrated for energy efficiency, and various sealants and adhesives can be used for waterproofing and joining precast components. Overall, the versatility of precast concrete allows for a wide range of compatible materials in construction projects.
becos precast girders are not cast in -site and therefore faster. they also available in standard size.
Prefabricated is a general term for anything that is assembled in a factory rather than on-site. Precast would be specifically applicable to anything that could be formed in a mold (concrete, perhaps glass, metal, etc.).
The different forms available for concrete countertops include precast, poured-in-place, and overlay.