The tent-like structure with its three-layer envelope will provide shelter to Khan Shatyr Entertainment Center, Kazakhstan – the world’s tallest. Khan Shatyr (“Royal Marquee”) is a transparent tent located in Astana Built in a neofuturist style Khan Shatyr Entertainment Center. Khan Khan Shatyr Entertainment Center, the highest tensile structure in the world. Wikimedia | ©. the ‘khan shatyr entertainment centre’, the world’s tallest tensile structure, celebrated its grand opening in astana, kazakhstan earlier this week.

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Our BatchGeo world MAP shows the locations of green architecture, green building and renewable energy projects featured on Solaripedia. The Khan Shatyr Entertainment Center represents a major civic, cultural and social venue for the people of the capital city Astana, Kazakhstan – in an austere eastern landscape with an inhospitable climate. The tent-like, cable-net structure is located at the northern end of the new city axis and soars meters from an elliptical base to form the highest peak on the Astana skyline.

The building encloses an area in excess ofsquare meters, with dramatic views over the city and the Steppes beyond. The EFTE is reported to be a good insulator and helps harness solar gain – in the winter the large volume warms up, like the building is wearing a huge fur hat.

In winter, a key challenge is to prevent the formation of ice on the inside of the envelope; this is achieved by a combination of temperature control and directing warm air currents up the inner surface of the fabric, a strategy that also prevents downdraughts.

In summer, fritting on the outermost foil layer provides solar shading. Inside, low-level jets direct cool air across the space, while vents at the apex induce stack-effect ventilation. Air can be directed out of the top of the tent if it gets really hot inside, and there are generous tolerances for internal temperature.

For example the landscaped areas are maintained at 15C in the winter and allowed to rise to 30C in the summer. The ultimate aim of the building is to provide Astana with a range of civic, cultural and social amenities all year round, whatever the weather.

Contained within is an urban-scaled park, along with a wide variety of entertainment and leisure facilities, including retail, cafes, restaurants, cinemas, and flexible spaces that can accommodate a varied program of events and exhibitions, and even a water park.

Underneath the tent of Khan Shatyr entertainment centre in Kazakhstan, is an area larger than ten football stadiums. The space is an urban-scale internal park, shopping and entertainment venue with squares and cobbled streets, a boating river, shopping centre, minigolf and indoor beach resort.

The tent is made from ETFE suspended on a network of cables strung from a central spire. Following article is from Building.

Building the world’s largest tent by Thomas Lane 16 July And their heroic attempts to heave that 90m mast upright are enough to make fair-weather campers weep. It was quite an event to mark the opening of what is, after all, just a shopping centre and theme park. It brings to mind our own Millennium Dome, another giant fabric clad structure that housed a theme park including a beach ztructure real sand – shtyr the Khan Shatyr, as the new building is called, manages to include real water too.

Like the Dome, the m high Shatyd Shatyr is a spectacular architectural and engineering achievement. So how was this amazing structure designed and built, and could it share the same fate as the Millennium Dome?

foster + partners: khan shatyr entertainment centre opens

Unlike the Labour government, which commissioned the Dome then struggled with what to put in it, the Shattr knew exactly what their tent was for. So why not create a space where people could go shopping, socialise and have fun without the risk of freezing or scorching? And as Astana is srtucture the middle of an enormous, grassy plain several thousand kilometres from the nearest beach and tropical forest, why not give the locals a chance to experience something they can only dream about?

Maintaining a constant temperature With an 80C temperature wtructure between winter and summer, keeping the building at a comfortable temperature was always going to be a challenge. For example, in the winter the surface of khqn ETFE cladding is very cold. This means warm air that hits the cold surface immediately cools and drops down, creating a wind inside the building.

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This was one of the reasons why the team decided to restrict the height of the ETFE-clad part of the building. There was also a risk of condensation caused by water evaporating from the high level sea-cum-swimming-pools at the top of the building when it met the cold surface. The answer was stgucture enclose the pool areas inside a secondary ETFE clad space. The good news is the ETFE is a good insulator and helps harness solar gain.

He says on a cold, sunny day with temperatures of C outside the tent is 12C at the top of the tent.

Obviously the building needs to be heated in the winter and cooled in the summer. This is done fairly conventionally by pulling air from outside, heating or cooling it and directing the conditioned air into the lower inhabited spaces, and out again at low level. Air can be directed out of the top of the tent if it gets really hot inside.

Grand opening of Khan Shatyr Entertainment Center, Kazakhstan the world’s tallest tensile structure

Energy use is mitigated by being generous with internal temperature tolerances. Happily for the developer and contractor, Sembol, the design team and Nursultan Nazarbayev, the president of Kazakhstan, a giant tent was the perfect answer to their respective ambitions. For Sembol, which is just 10 years old, this was a chance to prove it could build something really sharyr. Foster and Buro Happold had already been talking about large tents being the most efficient way of enclosing big spaces; they got the chance to test their theories on a building with a floor area of ,m2.

The traditional yurt has a single central pole that supports a wooden frame and is clad in felt. This principle is followed at the Khan Shatyr: But there are some key differences. For a start, the Khan Shatyr leans, and is elliptical rather than round.

Khan Shatyr Entertainment Center – Wikipedia

Putting up a single pole is fairly easy when erecting a small tent but not when the tent in question is 90m high the mast extends 60m beyond the top of the building. The mast needs to be able to support cables that can move independently of it in response to changing loads imposed by wind and snow. Erecting a 90m-high single pole would have been very difficult as it would have needed substantial temporary works to hold it in place while the cables were connected. Also it would have been difficult to determine when the mast was in its final position.

This makes the tent element easier to build. It gained strucutre foothold in Kazakhstan by building a bedroom five-star hotel in just nine months.

Kazakhstan has huge mineral wealth, including oil and gas, but surprisingly the Khan Shatyr is actually a speculative development funded by Sembol and a Russian partner.

Our company is only 10 years old and we have to prove our ability and capacities. We believe this project will take us to another level. The project is design and build. The UK firms did concept design with detail taken on by local firms. One of the key challenges facing Sembol was that all materials had to be brought thousands of miles across the empty grassy steppe. Bringing in a 90m-high steel tripod weighing hundreds of tonnes was out of the question so it had to be welded together on site.

His plan was to build the whole on the ground then pull it upright. This had the advantage of requiring minimal temporary works, fewer cranes and less risky working at height.

There was one other key advantage. Normally, construction work in Kazakhstan stops during the bitterly cold winter but not here. Welding the tripod together on the ground meant temporary covers could be erected to keep the worst of the weather off the workers. Another wheeze was running heating wires through the concrete so it could cure in the freezing conditions. This approach impressed Cook. Sembol welded the tripod together during the winter ofready for the big lift in early December.

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The tripod consisted of three legs supporting the head, which supports the cables. The head was made up of 12 struts that were attached to bearings where they joined the tripod so the struts could move. The other end of the struts was attached to a 20m diameter ring supporting the cables. The tripod had been built so two of the three legs were attached to the final anchoring points. The legs were pinned so they could move as if on a giant hinge.

The other leg was also hinged but attached to the top of the tripod rather than the bottom. This third leg extended beyond the head of the tripod so the mast was in the middle – rather like someone with spread legs that they bring together to stand upright. The bottom of the third leg was supported on wheels running along a specially built railway line – the idea being that as the tripod was pulled upright, the base of the third leg would move along the railway to its final anchoring point.

There it could be pinned, locking the whole tripod into its final position. To haul the tripod upright, temporary cables were attached to the top of it, hooked over a 90m-high temporary tower and fixed to strand jacks on the ground on the other side of the tower.

The trickiest part – and biggest leap into the unknown – khaan the beginning of the lift. This is much more like bridge design and construction, where they are much braver. As it happened, the lift went as the team had expected. Two levels of retail are built as two rings around the building perimeter with a concourse separating strucrure. Go through the inner ring into the centre of the building and there is a huge multipurpose circulation space where the tripod sits.

On the third structurr, the cool retail spaces change to a rather tacky seaside feel with dodgem cars and games machines. There are eating areas, a cinema, a mini golf course and at the khab of the building the beach areas with golden sand and pools that gradually get deeper. The cables are paired, which has two advantages. First it keeps their diameter down, which means they can be bent around a tighter radius; this was important as they had to fit into a standard-sized container for the journey to Astana.

Also, paired cables provide a stable base for the ETFE support points. Actually, attaching the cables to the support ring was the easy bit. The more difficult task was to pre-stress them to minimise deflection under loading, and to work out the degree of pre-stressing: The cables were attached sfructure long adjusters at the base which were wound in for the final tensioning.

Khan Shatyr Entertainment Center

Gultekin took matters into his own hands. With all the cables attached to the adjusters, the tension was progressively increased. When they were correctly tensioned, the ETFE cladding was installed. On the day the building opened to the public it was packed withvisitors. People appeared to love it, with families taking snaps in front of the beach and the giant tripod. If this turnout is anything to go by, there could be one big difference between the Millennium Dome and the Khan Shatyr: Following is negative architecture commentary on the Khan Shatyr building: In early July, Kazakstan’s President Nursultan Nazarbayev presided over ahatyr opening of the latest addition to Astana’s growing list of monumental structures.

The complex, known as Khan Shatyr, is a recreational center for the people of Kazakhstan that promises a year-round “outdoor” active life for a city caught in the extreme climate of the Kazakh steppe.

Norman Foster, an English architect known for his high tech work, designed Khan Shatyr, which resembles from the outside a Disneyesque Tomorrowland, a soaring structure that boasts being the “tallest tent in the world. The giant plastic tent houses a shopping mall, miniature golf, condos, a khhan, restaurant, a kid’s playground, a hypermarket i.