We are a precast concrete product manufacturer with specialty in Suspended flooring products. Products ranges from Hollowcore slabs, Rib and Block Slab, Precast Stairs / Caged stair shutters and Builder’s lintel.

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Tel:073 732 1503
Tel:087 809 2687

Quick Email

info@leleconcrete.co.za

Office Address

50 3rd Road Middelvlei Randfontein

Technical

Rib and Block Loading Table for 200 and 255 deep commonly used sizes

Slab depth

Block type

Rib type

Insitu Conc.
Topping vol (l/m²)

Slab D/L
N/m²

Imposed Load
(1.5 + wall Partitioning)
kN/m²

Max. Span (m)

205
(140 +65)

B2

LY210
L2Y12
LY116
L2Y16

84

3,47

1,5 +2,95

3,98
5,19
5,65
6,65

255
(190 +65)

B4

LY210
L2Y12
L2Y16
L3Y16

98

3,86

1,5 +2,95

4,87
5,93
6,72
8,39

Hollowcore Slab (600 x 160)

Slab
depth
(Width
600)

Screed /
insitu
toping

Reinforcing

Slab selfweight
(Dead
Load)
kN/m²

Slab
Live
load
kN/m²

Partitioning
walls load
(max
110mm
kN/m²)

Total imposed
load
(max
110mm
kN/m²

Max.
Span
(m)

160

50

12 x 7mm
indented
wires bottom

3,85

1,50

2,95

1,5
+2,95
(4,45)

6,7

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