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Structural Load Calculations

This document provides load calculations for the structural design of a two-level residential building located in Madaba, Jordan. It summarizes the building features, including steel frame structure with ribbed slabs. Load calculations are shown for the top slab and ground floor slab using the Jordanian Loads Code, accounting for self-weight, dead loads, live loads, and snow loads. The largest load combination is determined and used to calculate required rib strength.

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ISsa Qafa'iti
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135 views5 pages

Structural Load Calculations

This document provides load calculations for the structural design of a two-level residential building located in Madaba, Jordan. It summarizes the building features, including steel frame structure with ribbed slabs. Load calculations are shown for the top slab and ground floor slab using the Jordanian Loads Code, accounting for self-weight, dead loads, live loads, and snow loads. The largest load combination is determined and used to calculate required rib strength.

Uploaded by

ISsa Qafa'iti
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Loads calculations

The imaginary Residential Building is located on Madaba, close the


American university of Madaba.

Figure 2.1 Location

The Building contains Two levels (Ground & First) .

Figure 2.2 Front View


The structural system to be designed is to be Steel frames for columns
and exterior Beams and ribbed slabs to be on top of each level.

Figure 2.3 Columns Distribution

Top slab Load calculations

Using (Jordanian Loads code) “1996 ‫”كودة االحمال والقوى كود البناء الوطني‬

There will be one way ribbed slab on the short direction “ one end
continuous and the largest span 6.3 m will control the deflection
requirement.

L
21
Minimum thickness h = = 6300 /28 = 225 mm
# Use 250 mm ribbed slab
Figure 2.4 Ribbed slab Section

3
Total volume= 0.25×0.52× 0.2 = 0.026 m
3
Volume of concrete= 0.12×0.2×0.18+0.2×0.52×0.07= 0.0116 m
Weight of concrete=0.0116× 25 = 0.29 Kn
Weight of Hollow block=0.15 Kn
Total weight=0.44 Kn
0.44
2
Wu= 0.52 * 0.4 =4.231 Kn/ m (Self Weight of slab)
2
Bituminous dead load==0.22× 0.015 = 0.00335 Kn/ m
2
Drainageslope dead load=25× 0.125 = 3.1252 Kn/ m
2
Live load = 1 Kn/ m “1996 ‫”كودة االحمال والقوى كود البناء الوطني‬

Snow load = S° ×m
For Madaba and a height of 800 m above sea level
m=0.8 because no snow sliding system is provided

h  320 800  320


S°= 400 = 400
= 1.25
2
Snow load=0.8× 1.25 = 1 Kn/ m
2
Largest load combination=1.2D+1.6S+1L=11.0512 Kn/ m LRFD1
1
LRFD Design will be the Method of Design “Load and Resistance Factor Design,
abbreviated as LRFD, is a scheme of designing steel structures and structural .”
2
Wu/Rib = 11.05 *.55 = 6.078 Kn/ m

Figure 2.5 Shear And moment diagram for roof ribbed slab
Ground floor slab Load calculations

Same as top slab except there is no Snow load and adding Tiles Load and
changing live Load As Follow.
2
Self weight 4.231 Kn/ m
2
Aggregate( fine and coarse) Load 18 x 0.07 = 1.25 Kn/ m
2
Mortar 25*.02 = 0.5 Kn/ m
2
Tiles 28 * 02 = 0.56 Kn/ m
2
Total Dead Load = 6.54 Kn/ m
2
Live Load = 2 Kn/ m

Load Combination
2
1.2 D + 1.6 L = 11.05 Kn/ m

Wu/rib = 11.05 *.55 = 6 Kn/m ( for the ribs)

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