How To Remove Floor On Existing Waffle Slab

As for ground floor extensions if the existing house is a waffle slab that in itself is not a problem as you can construct the foundations of the ground floor extension with any type of footing appropriate.

How to remove floor on existing waffle slab.

A waffle slab foundation also called a ribbed slab foundation is an above ground type of foundation used to provide load bearing capacity in expansive roc. This paper deals with the problem of optimum design of reinforced concrete two way ribbed waffle slabs using genetic algorithms. Two case studies are discussed. We will remove slab 1s2 on the first suspended floor and replace it with a waffle slab.

Two way joist concrete slab floor waffle slab system analysis and design design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf and unfactored live load of 100 psf. The lateral loads are independently resisted by shear walls. Waffle slab is good against shrinkage and it is lower than stiffened rafts and footing slabs. Iggy apr 2 16 at 8 31.

Upon completion of the waffle slab house the ground around the slab is built up by the builder to reduce the height of the slab above the surrounding ground. The first is a waffle slab with. Because the waffle slab is constructed on the ground when the waffle slab is finished it sits about 400mm higher than the surrounding ground. Split view of the learningorion tutorial model.

Let s start by revisiting our model. Step 1 we go to storey st01 and select slab 1s2 then delete it. Note that the polystyrene is not structural it is simply a void former. Remove floor joists aluminum tape bottom sides of stud wall s sill fill the voids with mortar in block s big long lag bolts go back to 3 step your dry block areas crawlspace gravel fill up slab.

The waffle slab system can be called as a two way joist slab system which comprises of ribs constructed in perpendicular direction. A waffle raft uses polystyrene void formers or waffle pods to form up the edge beams and internal beams and give the slab the required stiffness without using excessive amounts of concrete. However in the new housing estates block sizes are generally smaller and the issue of site coverage becomes a planning issue. Do it piecemeal room by room.

A flat plate system will be. Begin with dry wedge in shim on block s between every other joist.