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Built more than 1800 years ago, the magnificent Pantheon building still stands as a reminder of the great Roman empire. Pantheon With its thick brick walls and large marble columns, the Pantheon makes an immediate impression on visitors. But for its time the most remarkable part of the building is the more than 43 meter high some. It was the largest dome in the world until 1436 when the Florence Cathedral was constructed. At the top of the dome is a large opening, the oculus, which was the only source of light. The front portico has three rows of 8 columns, each one with a diameter of 1.5m. A huge bronze door gives access to the cylindrical building. Its Interior Originally a temple for all pagan gods, the temple was converted into a church in 609. The Pantheon now contains the tombs of the famous artist Raphael and of several Italian Kings. Its ecclasiastic interior design contrast with the temple's structural design, but the marble floor - which features a design consisting of a series of geometric patterns - is still the ancient Roman original.
The most famous Roman dome, and the largest, is in the Pantheon, a building in Rome originally built as a temple. Dating from the 2nd century, it is an unreinforced concrete dome resting on a thick circular wall, or rotunda. The circular opening at the top of the dome is called the Oculus, and it provides light and ventilation for the interior. The height to the oculus and the diameter of the interior walls are the same, 43.3 meters (142 ft). It remained the largest dome in the world for more than a millennium and is still the world's largest unreinforced concrete dome Wikipedia on Dome.
Pantheon, Rome Pantheon It was built in 118-125 AD, nearly 2000 years ago. The poet Shelley called it “The unmeasured dome of Heaven.” A Roman MasterpieceAll rights reserved. Rights belong to their respective owners. Availablefree for non-commercial and personal use. First created. 6 Sep 2010. Version 2.0. 28.3.12. London. Jerry Tse
Roman world under Hadrian During the reign of Emperor Hadrian (117-138 AD), the Roman Empire stretched all the way from Scotland to the Persian Gulf. All the lands bordering the Mediterranean sea were part of the Roman Empire. During his time the empire was relatively at peace with its neighbouring tribes. The only formidable enemy was the Parthian Empire, in now Iran, on the Eastern frontier.
Roman constructions Coffered vaultThe Roman invented concretewhich was forgotten after thecollapse of the empire. Togetherwith bricks, these werecommonly used in construction.The Roman also used archesextensively. Many of itsbuildings used curves in theirconstruction. The Coliseum andthe Pantheon are two well-known Concrete vaultexamples. Rubble Wall Central heating Arch
Interior The Roman Pantheon The Pantheon was built as a temple, just outside Rome. On the original building the dome was with sheets of bronze giving it a shinny golden surface. The lower part of the external wall were covered with marbles. It also had a bronze door.
Pantheon - HistoryIn 27-25 BC, it was the siteused by Agrippa, who wantedto dedicate it to AugustusCaesar, his father-in-law.When Augustus declined thehonour, it was dedicated tothe major gods (Mars, Venusetc.) It was rectangular inshape.The current building wasrebuilt between 118 and 125AD, during the reign ofHadrian.It the 609 AD the building wastransform into a church,dedicated to Santa Maria deiMartyri, after the bones ofChristian martyrs werebought here from thecatacombs.
Pantheon – A brilliant composition of geometric forms.The main components ofthe building – the portico,the rotunda and the dome.
Oculus Method of Construction Buttressing The ceiling is an unreinforced concrete dome resting on a thick Coffers domePortico circular wall or rotunda. The circular opening at the top of the dome is called the Oculus, providing light and Rotunda ventilation. The Pantheon has a coffered dome. This reduces the material used for Pier, support for span construction and therefore the weight of the ceiling.From the diagram above you can alsosee the cross-section of the roof getthinner as the dome gets higher. 7 recesses for 7 godsVery light stone called pumice, whichfloat on water, were used as the rawmaterial with the concrete. It furtherreduce the weight of the dome. Piers Portico
The Oculus – only source of lightThe diameter of the dome is 43.3 meters (142 ft). It remained the largest dome in theworld for more than a millennium and is still the world’s largest unreinforced concretedome. There are 5 rows of coffers, to reduce the weight of the dome, around the ceiling.
The End Music - Albinoni’s oboe concerto in C Major, op 9 no 57 -All rights reserved. Rights belong to their respective owners. Available 1st movement. Allegrofree for non-commercial and personal use.