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000936
2014-10-21

Expansion of the Holy Mosque in Mecca, Saudi Arabia

The Holy Mosque in Mecca is the biggest and most important Islamic mosque in the world.

An additional floor has been built in the interior around the main sanctuary of the Kaaba. The project's name is “Mataf Extension”.

It is a reinforced concrete construction with a floor span of 49 ft and the dimensions of the main beams are h / w = 7.2 ft / 11.8 ft with a span of 75.5 ft.

Supporting Structure Made of Steel Trusses

To allow the use of the surfaces below the new floor during construction, wide‑span steel structure supporting girders instead of conventional scaffolding were used to support the shell structure.

The beams were designed as spatial trusses and were designed for the weight of the fresh concrete of the main and secondary floor beams. The dimensions of the steel beams are h / w = 11 ft / 8 ft with a total length of up to 184 ft. They were created and designed by the engineering office Mauss using RFEM.

A substantial amount of work was caused by changes during the approval and assembly phases, which were carried out under enormous time pressure.



Project Specifications

Model data

Number of Nodes 1193
Number of Lines 1451
Number of Members 1444
Number of Load Cases 8
Number of Load Combinations 6
Number of Result Combinations 1
Total Weight 202.177 tons
Dimensions 192.86 x 145.34 x 39.53 feet
Program Version 5.03.00

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