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Jörg Schäfer / 609,929 items

N 318 B 9.4K C 30 E Oct 7, 2023 F Mar 18, 2024
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Northern Territory, Australia

Back to my Australia images and our last night in the Red Centre. This was our third sunset, but we didn’t fancy another bus ride to the not so friendly sunset locations. Instead we scouted out the four lookout points around the hotel complex (Naninga, Imalung, Pioneer and Uluru) with the last one proving to be the best spot to watch our final sunset.

You can see both Uluru and Kata Tjuta from this vantage point, but here’s Kata Tjuta and the last of the sun’s rays… a mere 21kms away!

Tags:   Australia Northern Territory Kata-Tjuta The Olgas Uluru Uluru Lookout Ayres Rock red centre sunset landscape icon Andy Rouse AndyRousePhotography Canon 5DMkIII EF24-105mm f/4L IS USM

N 65 B 1.3K C 11 E Oct 15, 2023 F Mar 13, 2024
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Sydney, NSW, Australia

Been busy working on a photo book of our Australia holiday over the last few weeks. I’ve never processed so many images in my life over this time frame, but it’s finished and sent to the printers. Here’s one that’s got included… hope you like it!

Tags:   Sydney Opera House Bennelong Point Jørn Utzon architect New South Wales NSW Australia night shot long exposure Andy Rouse AndyRousePhotography Saal-Digital Photo Book Canon 5DMkIII EF24-105mm f/4L IS USM

N 26 B 868 C 14 E Oct 18, 2023 F Mar 26, 2024
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Sydney, NSW, Australia

A room with a view… one of three cruise ships that came and went during our stay in Sydney.

Carnival Splendor is a Concordia-class cruise ship operated by Carnival Cruise Line. As she is the only Concordia-class ship in the Carnival fleet, she is also referred to as a Splendor-class ship. Her other sister ships are part of the Costa Crociere fleet. The ship was originally designed and ordered for Costa Cruises but she was transferred to Carnival Cruise Line during construction. The 113,323 gross tonnage (GT) ship entered service on 2 July 2008 as the largest Carnival ship until Carnival Dream debuted in September 2009.

Christening
Carnival Splendor's godmother is Myleene Klass, who on 10 July 2008 christened the vessel in Dover in a ceremony where she played Sailing on the piano, while a Royal Navy diver climbed up five decks on a rope, and broke the bottle of champagne on the bow by hand.

Tags:   Sydney New South Wales NSW Australia Circular Quay Sydney Opera House Sydney Ferries Ferries cruise ships Carnival Splendor Terminal room with a view Shangri-La Andy Rouse AndyRousePhotography Canon 5DMkIII EF24-105mm f/4L IS USM

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Barangaroo, Sydney, NSW, Australia

The Crown Towers Hotel in the Barangaroo area of Sydney is a 6 star hotel and a first for Sydney. We went in for a nosey and instantly felt out of our depth such is the lavishness of the hotel… and way, way out of our league! Still, it’s a longer walk into the heart of the city so the Shangri-La still trumps it for me.

Here’s the engineering bit…

Completed in 2020, the 72-storey, 270m-tall Crown Sydney hotel and residential tower on Sydney Harbour is the city’s tallest building, designed by architects Wilkinson Eyre in association with Bates Smart. Its height and striking profile make it an iconic focal point of the harbour, its structure mimicking three petals twisting and changing shape as the building climbs.

Less obvious to the observer was the innovative engineering solution employed in its construction, necessitated by the building’s site, which was formerly occupied by a disused wharf and container storage facility.

A first for the edge of Sydney Harbour, the “top-down jump-start” construction methodology, proposed by Robert Bird Group, provided significant programme savings.

Brought onto the project early in 2013, Robert Bird Group had to work out the best construction solution considering the tight timeframe required, the choices being either “blue sky” or “top-down”.

The site’s condition was a major factor in the decision. It had been built up to provide a level area suitable for a container wharf, with the raised ground contained by the harbour wall. The site geology is therefore raised (“made”) ground and alluvial material over sandstone that dips steeply towards the harbour, with the rock depth varying across the site from 18m to 33m below ground level.

The new building’s footprint is contained inshore of the existing harbour wall. The development shares its basement car park with the proposed residential buildings on the neighbouring site because the legal boundary between the sites bisects the combined basement.

This creates a situation where the harbour-side of Crown Sydney site must permanently retain unbalanced earth and water pressures on the full basement depth. This unbalanced loading drove the entire foundation solution; the magnitude of the unbalanced load was more than double the base shear from the tower wind loading, and was present from the very start of the construction sequence.

The rock profile, dipping steeply towards the harbour, and the presence of the existing harbour wall just 25 metres from the tower’s base, precluded the traditional use of rock anchors to provide temporary stability to the basement walls during excavation.

Robert Bird Group’s advice was to adopt a top-down, jump-start construction methodology. The unique engineering twist was to build much of the basement structure – including the core – prior to excavation commencing by using barrettes that would support the out-of-balance soil loads.

The blue-sky method is well understood, and is often the preference when temporary support of basement walls can be achieved with temporary rock or ground anchors. This allows an open, easily accessible site for the excavation of the basement and construction of the permanent structure.

On a development such as Crown Sydney, temporary anchors are not efficient nor practical, and in lieu of anchors, it is common for internal strutting and bracing to be used instead. However, internal struts place logistical constraints on both the basement excavation and construction of the new permanent structure. In these situations, a top-down methodology that eliminates all need for internal struts starts to become attractive.

The top-down method relies on constructing the permanent structure in a sequence whereby it provides restraint to the walls during basement excavation and construction. The advantage of this technique is that it reduces the risk of delay and, when combined with a jump-start approach, permits acceleration of the construction programme by creating a dual work-front; both basement and tower could be constructed in unison. Adopting this approach, Crown Sydney progressed very quickly.

Above ground, to accommodate the building’s sculptural form, Robert Bird’s solution included “helical” columns that twist around the perimeter of the building to achieve the architect’s desired geometry and “walking columns” to manage differential axial shortening between the internal core and external columns. A tuned mass damper was also incorporated to control accelerations and achieve the building’s elegant, slender profile.

In conclusion, there is no question that adopting the “top-down jump-start” methodology adds complexity to the basement design and detailing; however, this is offset by the reduction in time to complete the project. As a result, the core construction at Crown commenced just one month after the excavation operation began and the tower superstructure was well underway before the excavation operation was completed.

Arguably, if a conventional open-excavation sequence had been followed, the core and tower superstructure would have commenced much later, once the basement was fully excavated and foundations constructed.

Tags:   Crown Towers Barangaroo hotel 6 stars Sydney New South Wales NSW Australia architecture tower Andy Rouse AndyRousePhotography Canon 5DMkIII EF24-105mm f/4L IS USM

N 53 B 789 C 11 E Oct 17, 2023 F Apr 3, 2024
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Sydney, NSW, Australia

A room with a view… another good reason to stay at the Shangri-La in a high floor room! The simple pleasure of sitting in the window and watching the world go by below you. Might as well take a few pictures as well to capture the moment.

Just to the left of the bridge is Luna Park in all its nightly glory but I never saw the Ferris wheel go around once! Plenty of north bound traffic leaving the city centre for suburbia and the Sydney ferries criss-crossing the Parramatta River – the main tributary of Sydney Harbour getting everyone home safely.

Tags:   Sydney New South Wales NSW Australia Sydney Harbour Bridge Circular Quay Parramatta River river Sydney Ferries Ferries night shoot long exposure LE light trails room with a view Shangri-La Andy Rouse AndyRousePhotography Canon 5DMkIII EF24-105mm f/4L IS USM


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