The Whelan Group

Precast Solid Wall Panels

Description:

The Whelans Precast Solid Wall System consists of a single 100 to 200 mm thick wall unit. Both faces have a steel mould finish, the other face a quality floated finish. Either stand-alone structures are possible with panels simply grouted together or, when complemented with double walls and/or half floor units entire buildings can be erected.

Typical applications of Double Wall:

• Hotel/Apartment/House precast shells.
• Internal dividing walls.
• Dado Walls/Bund Walls.
• Tanks (Attenuation and foul collection).
• Dock Leveller housings, perimeter retaining walls to Industrial units.
• Prison cells.

Design:

• All of the design work required is based on the traditional limit state design for ordinary reinforced concrete, (BS8110). Panels can be designed for either load bearing or non-load bearing situations.
• Depending on the thickness of the wall panel either one layer of mesh or two layers separated by chairs.
• Once designed, the wall panels are drawn completely in 3D within the CAD system of the plant and fully detailed with respect to reinforcement, cast-in items and openings for windows, doors and services.
• Electrical services can also be included in the pre-engineering of the panels at the design stage. Electrical back boxes and conduits can be cast in, if required.

Erection:

The procedure for erecting any solid wall panel is the same irrespective of the size or shape.

• Customer/Contractor provides a base slab with dowel bars cast in predefined positions ready for first lift of walls.
• All grid lines and wall positions are marked directly on the floor slab.
• Shims are placed at the wall positions and levelled (typically 25mm) ready to receive the wall.
• The solid wall is hooked onto the crane and lifted into position. After hooking and before it is lifted the wire loops on the panel ends are pulled out.
• When in the correct position 2 No. push-pull props are secured to the face of the panel and the floor slab.
• Straight bars are placed between the units, locking the loops together.
• Finally tubes and channels are grouted.