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was commissioned to build and install the mosaic tiled, external claddings for all 250 units of foldable umbrellas. The arm claddings and cladding attachments were built from a lightweight composite sandwich structure of glass fibre epoxy resin laminate, providing high torsional stiffness. They were
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Architecture specifically for the project. The shade is painted in white color due to the intensity of light, and because strong permeability can dazzle people under the umbrella, a sandy texture was chosen instead. In addition, the underside of the umbrellas was decorated with oriental motifs made
170:. The project was completed in August 2010, which initially included the construction of 182 umbrellas aligning the pillars of the mosques at the square, and later 68 umbrellas were added in the eastern square, totaling 250 umbrellas. The project cost was 4.7 billion riyals.
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Each single open umbrella structure of 25 x 25 m spans an area of 625 m. As the components for each umbrella are so large and also have to withstand potentially extreme climatic conditions, the cladding needed to be made from advanced composites.
194:. The fabric is characterized by high tensile strength, wind strength, and its elasticity, chromatic stability, fire resistance, effective shading and suitable light penetration. The highly durable PTFE white fabric was developed by
154:, as well as from the risk of slipping and falling in the event of rain. Similar structures are built at the square of the mosques worldwide. At Al-Masjid An-Nabawi, there are a total of 250 umbrellas.
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then fixed to the flexible umbrella arm systems. When closed, the arms cover the membrane while additional claddings on top of the arms form a prismatic casing to protect the folded Teflon membrane.
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192:ultraviolet
68:August 2010
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368:افاق بيئية
349:صحيفة عكاظ
323:2022-08-08
297:References
259:Banda Aceh
1583:Umbrellas
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352:Archived
270:See also
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54:Location
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1232:Maqbara
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158:Project
1384:Kasbah
1333:Kasbah
1323:Hammam
1318:Ghorfa
1303:Bazaar
1282:Zawiya
1271:takyeh
1242:Mosque
1192:Dargah
1119:Kucheh
1065:Eidgah
991:Zenana
939:Zellij
924:Sitara
919:Shamsa
807:Minbar
797:Mihrab
782:Kiswah
767:Gonbad
631:Arches
585:Yemeni
555:Somali
538:Hafsid
513:Mamluk
492:Mughal
482:Deccan
430:Styles
291:Kucheh
281:Awning
174:Design
152:prayer
144:Medina
1399:Ribat
1394:Qalat
1379:Amsar
1338:Mahal
1277:Türbe
1267:Takya
1262:Surau
1257:Rauza
1252:Qubba
1237:Mazar
1227:Maqam
1168:Types
1080:Sebil
970:Liwan
960:Harem
948:Rooms
864:Girih
849:Alfiz
843:Ablaq
817:Zarih
812:Qibla
761:Dikka
756:Bedug
751:Anaza
727:Tajug
693:Roofs
608:Qadad
570:Tatar
467:Hausa
240:Egypt
236:Cairo
196:SEFAR
1389:Ksar
1348:Souq
1269:(or
1134:Sahn
1108:Howz
1070:Fina
1042:Riad
1007:Bagh
986:Qa’a
981:Hosh
965:Iwan
884:Jali
700:Dome
188:PTFE
178:The
73:Cost
318:PCT
142:in
134:or
78:ر.س
1569::
714:/
710:/
706:/
501:/
316:.
305:^
261:,
257:,
238:,
234:,
146:,
839:)
832:(
718:)
702:(
415:e
408:t
401:v
326:.
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