Concrete Formwork Systems (Civil and Environmental by Awad S. Hanna

By Awad S. Hanna

Deals insights on currently-used concrete formwork buildings, from category, procedure elements and fabrics' houses to choice and building specifications and approaches, whereas contemplating product caliber, labour, security and financial elements all through. The textual content info hand-set, crane-dependent and crane-independent platforms.

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Concrete Formwork Systems (Civil and Environmental Engineering) (Civil and Environmental Engineering Series, Vol. 2)

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Extra resources for Concrete Formwork Systems (Civil and Environmental Engineering) (Civil and Environmental Engineering Series, Vol. 2)

Example text

Plywood Sheathing Plywood and plyform can be used as sheathing. As indicated in Chapter 1, plywood is available in two types, interior and exterior. 5 Conventional aluminum system. Horizontal Formwork Systems: Hand-Set Systems 37 Exterior plywood is used for sheathing because it is made of waterproof glue that resists absorption of concrete-mix water. 0 mm) plywood is widely used for concrete slabs. Extruded Aluminum Joist The first component of the conventional metal system is the aluminum joist.

However, the system may be economical for small projects with limited potential reuses. The system has the advantage of low makeup cost or initial cost. Also, for restricted site conditions, where storage areas are not available and the use of cranes is difficult, the conventional wood system might be the only feasible alternative. ) Availability. Wood is a construction material that is available virtually anywhere. In areas where formwork suppliers are not available, a conventional wood system may be the only feasible alternative.

Flexibility. Because the system is built piece by piece, it is virtually capable of forming any concrete shape. A complicated architectural design can be formed only by this system. Economy. This system is not economical in terms of labor productivity and material waste. However, the system may be economical for small projects with limited potential reuses. The system has the advantage of low makeup cost or initial cost. Also, for restricted site conditions, where storage areas are not available and the use of cranes is difficult, the conventional wood system might be the only feasible alternative.

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