BOX CULVERT
[SVC]
FEATURES
1 Mini Size Box Culvert
(Width 450mm)
2 Standard Size Box Culvert
(Width from 600mm to 1800mm)
3 Supersize Box Culvert
(Width from 2100mm to 3600mm)
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Type available:
a Comes with dry weather flow (c/w dwf);
b Without dry weather flow (w/o dwf)
DESIGN CONSIDERATION OF BOX CULVERT
Proof Load Test
[SVC] standard size box culvert are comply with proof load test of 112.5 kN over an area of 320mm x 320mm placed at any position on the culvert's lid.
Custom Design
Kindly contact our Technical Personnel for assistance if custom/ special design is required.
Earth Lateral Pressure
Coefficient of the earth lateral pressure at rest = 0.5
Bulk Density of Soil
19 kN/ m³
Backfill & Live Load
All [SVC] standard design box culvert are cater for backfill superimposed dead load NOT EXCEEDING 2.0 meter plus 45 units HB vehicle primary live loads.
Design of load requirement in accordance to
(i) BS 5400: Part 2 modified by (ii)
(ii) Department Standard BD 31/01 Buried Concrete Box Type Structure issued by Department of Transport (UK)- Highway and Traffic
(iii) JKR LTAL (Long Term Axle Load) and SV (Special Vehicle) requirements
Concrete Strength
35 to 40 N/mm2 at 28 days
Mini Size = 25mm
Standard Size = 25mm
Supersize = 30mm
Concrete Cover
GUIDE
LIFTING
INVERT STACKING
