Simply Supported Slabs Load Capacity

Reference data and engineering information about simply supported slabs load capacity for piping systems applications.

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Overview

Engineering reference data for Simply Supported Slabs Load Capacity in piping systems.

Key Formulas

Continuity

$A_1 v_1 = A_2 v_2$

Mass conservation in pipe flow.

Pressure Drop

$\Delta P = f \frac{L}{D} \frac{\rho v^2}{2}$

Darcy-Weisbach equation.

Pipe Area

$A = \frac{\pi D^2}{4}$

Cross-sectional area of a pipe.

Variables

Symbol	Description	Unit
$D$	Pipe diameter	m
$v$	Flow velocity	m/s
$\Delta P$	Pressure drop	Pa
$f$	Friction factor	—

Typical Load Capacities

The following table provides typical load capacities for simply supported concrete slabs with an imposed load of 500 kg/m² (common for offices and storage).

3 rows

Load capacities for simply supported slabs with a standard 500 kg/m² imposed load.
Thickness(mm)	Self Weight(kg/m²)	Imposed Load(kg/m²)	Total Load(kg/m²)	Span(m)	Total Load(kN/m²)
100	240	500	740	7.26	2.4
125	300	500	800	7.85	3
150	360	500	860	8.44	3.6

Source: engineeringtoolbox.com

Note on Imposed Loads: The imposed load used in the table (500 kg/m²) is typical for office and storage spaces. In practice, this value varies significantly:

Domestic buildings: approximately 1.5 kN/m² (153 kg/m²)

Heavy industrial areas: approximately 10 kN/m² (1053 kg/m²)