SOLE LICENSE FOR
MALAYSIA & SINGAPORE

bubbledeck

BUBBLEDECK
INTERNATIONAL

bubbledeck_tree

Calculation

Characteristic Values

In Situation of

 

[% of a solid deck]

Same

 

strangth

Same

 

bending stiffness

Same

 

concrete volume

Strength 100 105 150*
Bending stiffness 90 100 300
Volume of concrete 340 69 100
moment strength
Calculations are made as for solid slabs.

BubbleDeck is a true biaxial slab and behaves like a solib slab, both in aelastic and plastic modes.

Common calculation methods like Linear Elastic and Yield line methods are applicable.

Active concrete

Due to its optimised geometry, ALL concrete in the slab an be taken into account in calculating any types of forces.

Shear

Since all concrete in the slab is active, the theoretical shear resistance is proportional to the amount of concrete. Hence, the shear capacity is 65% compared to a solid slab with the same slab thickness.For practical applicability including safety, a factor of 0.6 should be used.

Capacity / Weight

A solid slab can only carry app. one third of its own weight, and has problems with long spans due to its high weight. BubbleDeck solves this problem by eliminating 35% of the concrete, while retaining the strength.

Hence, a BubbleDeck slab has the same applied load capacity with only 50% of the concrete required for a solid slab, or with the same slab thickness has twice the load capacity using 65% of the concrete.