Hollow Core Slab, solution for light weight

Precast prestressed concrete enjoys wide use in all types of residential structures; particularly multiple units where the repetitive use of standard components manufactured in a factory can be fully utilized.

The significant benefits of superior fire resistance, sound control, durability and low maintenance, owners and designers alike recognize rapid construction and attractive exterior treatments.

The most common floor and roof elements employed are 205 mm deep untopped hollow-core units. These slabs can span up to 9 m or more without intermediate supports. Longer spans can be achieved by using 254 mm or 305 mm deep hollow-core units.

For hotels, motels and apartments the hollow-core slabs are oriented to either span between load bearing shear walls or to span from the central corridor to an exterior wall. Slabs can be cantilevered up to 1.8 m to form exterior balconies.

Bearing walls may be of masonry, precast concrete or cast-in-place construction. The use of precast walls speeds the erection process. Construction rates of 1 floors per week and better are often achieved. Architectural insulated panels for the exterior of a building can provide a durable, attractive, energy efficient envelope. Ancillary recreation, parking and convention facilities are commonly constructed using precast concrete framing with long span roof and floor members.

Standard Detail Library (Ontario)

The Canadian Prestressed/Precast Concrete Institute Standard Detail Library (Ontario) demo contains 38 AutoCAD r12 drawings. These details cover many typical structural applications. The final use must be verified by a registered engineer. Consult your local CPCI supplier. The CPCI detail library consists of three library groups:
End Bearing Details
Side Bearing Details
Anti-Rotation Bar

These details can be viewed online by using an AutoCAD compatible drawing viewer plug-in for your Web browser. Such a plug-in is the WHIP!™ viewer, which allows you to open, view and print drawings in the Drawing Web Format (DWF). The WHIP! viewer is free, runs inside a Web browser, and allows high-speed dynamic zooming, panning, and navigating. This plug-in must be installed prior to viewing the details.

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