Underground space
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Exploring the Hidden World: Underground Cities around the Globe

Exploring the Hidden World: Underground Cities around the Globe | Underground space | Scoop.it

... Earth is not just a surface to walk upon, but a labyrinthine network of underground cities. These hidden marvels have been carved out of rock or constructed beneath the surface, serving as homes, shelter, and even entertainment venues. While the concept of living underground may seem unusual to some, it has long been a practical solution to various challenges faced by societies throughout history. ... While the world may be familiar with prominent underground cities like Cappadocia in Turkey, where ancient communities sought refuge from enemies, there are many hidden gems waiting to be discovered. Montreal, Canada, boasts an expansive underground city, nicknamed “Reso,” encompassing hotels, restaurants, and even a library. 

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Climate change will test Tokyo’s world-class flood defences

Climate change will test Tokyo’s world-class flood defences | Underground space | Scoop.it

... Completed in 2006 at a cost of 230 billion yen (S$1.8 billion), the Metropolitan Area Outer Underground Discharge Channel exemplifies the country’s willingness to finance enormously expensive infrastructure projects to protect cities from catastrophe, making Japan among the best-prepared for disasters. ... Flooding accounts for more than 70 per cent of the total number of natural and climate-related disasters in Japan. Tokyo has historically been on the front lines of the challenge, with more than 100 rivers coursing through the capital region, including four major waterways that converge on the city. ... 

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World's deepest hotel allows guests to stay 400 meters underground - India

World's deepest hotel allows guests to stay 400 meters underground - India | Underground space | Scoop.it

A unique hotel known as the "Deep Sleep Hotel" has recently opened for tourists. Located beneath the mountains of Snowdonia in Eryri National Park, North Wales, this underground hotel is situated 400 meters below the surface.  ... The Deep Sleep Hotel, as it is appropriately named, offers four private twin-bed cabins and a grotto with a double bed and a private bathroom. These rooms can be rented for a day or a week, specifically on Saturday nights through Sunday mornings. The rooms are constructed by excavating a trench that goes a staggering 1,275 feet deep. ... 

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Changing City: Deepest underground metro station for hassle-free connectivity to airport - Mumbai, India

Changing City: Deepest underground metro station for hassle-free connectivity to airport - Mumbai, India | Underground space | Scoop.it

The Chatrapati Shivaji Maharaj International Airport T2 metro station of Line 3 is 91% ready. ... Mumbai’s first underground metro, Line 3, will have some of the deepest underground railway stations in India. The deepest will be the T2 station, 30m below the surface. While most other stations will be located 22-25m below the ground level, the T1 and Sahar Road stations will be deeper. ... The station is deeper than other stations, since the off-site development of the airport is to come above it, which made the construction pretty challenging.

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What Is Montreal's Underground City and Can You Visit It? - Canada

What Is Montreal's Underground City and Can You Visit It? - Canada | Underground space | Scoop.it

Learn all about Montreal's underground city, the largest underground network in the world! You won't believe how far it goes! ... Montreal has an underground city, with an extensive network of underground tunnels and passageways. They span over 32 kilometres and connect more than 120 exterior access points. This includes shopping centres, hotels, universities, and office buildings.

The underground city was originally created in the 1960s to provide a solution to the harsh winter weather conditions in Montreal. Because of this, residents and visitors could move around the city without being exposed to the cold. Today, it is a unique tourist attraction. It features many shops, restaurants, and entertainment venues located within the network.

The underground city is an engineering marvel, and visitors can explore the tunnels, which are also home to art installations and exhibitions.
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Adieu, Shanghai's iconic underground shopping center! - China

Adieu, Shanghai's iconic underground shopping center! - China | Underground space | Scoop.it

Opened in 1995, the underground mart has reinvented its character many times over the decades. ... The underground Hong Kong Shopping Center at People's Square, one of the oldest and longest underground marts in Shanghai, closed today when its lease expired.

 

The nearby D Mall, also underground and often confused with the shopping center, remains open.

 

Both venues opened in 1995 near the People's Square Metro station, about two years after the city's first Metro Line 1 opened. Now the city has 18 lines in operation, with a daily ridership of over 10 million people on an average workday. ...

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How KMRC overcame obstacles to build India's 1st underwater metro tunnel in Kolkata - India

How KMRC overcame obstacles to build India's 1st underwater metro tunnel in Kolkata - India | Underground space | Scoop.it

Buildings 150 years old, erratic soil structure and underground aquifers prone to flooding are just some obstacles the Kolkata Metro Rail Corporation (KMRC) has overcome while building India’s first underwater metro tunnel linking the cities of Kolkata and Howrah across the Hooghly river.

The underwater tunnel is 520 metre in length and is located at a depth of 16 metre below the riverbed. Trains on the metro line part of the East-West Metro Corridor in Kolkata will pass through it in just 45 seconds.

Falling in the section that will connect Howrah Maidan and Esplanade metro stations (4.80 km), the tunnel is almost complete and the section is set to be opened for commercial services by December this year. ...

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A Look into the Futuristic Underground Stations of Cross River Rail - Brisbane, Australia

A Look into the Futuristic Underground Stations of Cross River Rail - Brisbane, Australia | Underground space | Scoop.it

The interior designs of Brisbane’s four new inner-city underground railway stations will showcase a distinctive architectural style.

The architects say that the designs are inspired by the traditional ‘Queenslander’ verandah, however, the wall and ceiling designs for the four new Cross River Rail inner-city underground stations exhibit a contemporary and futuristic aesthetic, reminiscent of sci-fi films. ... The traditional curved walls you would see in underground systems around the world such as the London underground has been engineered out and replaced with a unique copper angular design. ...

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Construction of underground metro rail opens - Dhaka, Bangladesh

Prime minister Sheikh Hasina on Thursday inaugurated the construction work of the country’s first-ever underground metro rail within a month after opening the metro ...

A total of six metro rail routes will be inaugurated in the capital city Dhaka by 2030. ... According to the project details, the MRT Line-1 will have two parts — a 19.872km part from Hazrat Shahjalal International Airport to Kamalapur (Airport route) which will be underground with 12 stations and an around 11.37km elevated line from Natun Bazar to Purbachal (Purbachal route) having seven stations, while Natun Bazar and Nadda stations will be underground as part of the airport route ...

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City of Amsterdam takes bicycle parking underground, and under water - the Netherlands

City of Amsterdam takes bicycle parking underground, and under water - the Netherlands | Underground space | Scoop.it
Folks in the Netherlands love to get from A to B by bike, which can lead to issues when it's time to park. Underground parking garages is one way to go, and a huge project has just opened in Amsterdam that puts thousands of parking spots under water.
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Singapore national water agency explores underground space to protect island against rising sea levels

Singapore national water agency explores underground space to protect island against rising sea levels | Underground space | Scoop.it

National water agency PUB is exploring the use of underground space to defend Singapore against rising sea levels amid climate change and more intense rainfall. ... The ambition to build the underground system to free up surface space and expand the island’s water storage capacity was first announced in 2015. ... Such subterranean facilities, advocated by experts to combat the effects of climate change, will enhance Singapore’s resilience during droughts by storing excess water and releasing it when needed. ...

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Planning floodproof cities - Seoul, Korea

Planning floodproof cities - Seoul, Korea | Underground space | Scoop.it

Devastating flooding in Seoul highlights the need to understand our environment when designing infrastructure for cities says University of Melbourne expert. ... Due to the lack of available land to naturally absorb rain, infrastructure that can speed up the flow of rainfall away from Gangnam is essential. The most viable approach is to use underground space and pipelines. ... However, the rain tunnel should be constructed with caution.

Underground areas are usually crowded by metro lines, water pipes, power lines, telecommunication lines and buildings like shopping malls. And along with being expensive and time-consuming, there’s the added risk of over-exploitation of underground spaces that can cause other disasters, like sinkholes.

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Shanghai Metro stations become galleries for new digital art - China

Two exhibitions in Shanghai's two Metro stations kicked off on Tuesday afternoon, as part of the city's first Metro Metaverse Design Art Series. ... Metro stations, crisscrossing the entire city's underground space, is the main exhibition venue for paintings, sculptures and installation art, while digital media work is displayed at ART-IN 24. The contemporary jewellery exhibition at the Shaanxi Road S. Metro Station features the work of 13 designers from around the world, including four Israeli artists.

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Ministry to promote trenchless, underground space technology overseas - Kuala Lumpur

Ministry to promote trenchless, underground space technology overseas - Kuala Lumpur | Underground space | Scoop.it

The Science, Technology and Innovation Ministry plans to promote trenchless technology and underground space technology abroad. ... "I feel that it (trenchless technology and underground space technology) can help our country because our problem is that we have much uncoordinated digging work.

"For example, today the water company came and did some digging work, (and) tomorrow the telecommunication company will want to do fibre installation. ... 

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Urban development space on both sides of Ring Road 4 - Hanoi, Vietnam

Urban development space on both sides of Ring Road 4 - Hanoi, Vietnam | Underground space | Scoop.it

Adjustments to Hanoi Master Plan: Urban development space on both sides of Ring Road 4  ...  In order to Develop Hanoi into a modern and smart city that plays a leading role in spreading the urban region; having a high standard of living and quality of life; achieving a comprehensive, unique, and harmonious development of economy, culture, and society. ... Build a smart city on the basis of the development of both sides of the Nhat Tan - Noi Bai route (on the Vo Nguyen Giap street); consider planning for the development of urban underground space, green space and public space.

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Beijing Building ‘Asia’s Largest Underground Transport Hub’ – China

Beijing Building ‘Asia’s Largest Underground Transport Hub’ – China | Underground space | Scoop.it

The transport hub is located in Beijing, Tongzhou District - the Chinese capital's sub-center. ... Significant progress has been made on “Asia’s largest underground transport hub,” which is under construction in Tongzhou District, Beijing. 

According to Beijing Daily, the basic structure of the west part of the Beijing Sub-city Center Transport Hub has been completed. The Hub is expected to be operational by around 2025. ... According to CGTN, around “450,000 people a day” will transit through the Hub. In addition to transportation, the Hub will also feature an underground “green city.” 

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The country’s first gas utility-run networked geothermal heating and cooling system breaks ground in Mass. - USA

The country’s first gas utility-run networked geothermal heating and cooling system breaks ground in Mass. - USA | Underground space | Scoop.it

With this pilot project, environmentalists hope Eversource can model a new business plan that provides more climate-friendly and affordable home heating and cooling for customers. ... A “networked geothermal” system is, as its name suggests, a network of “geothermal” or “ground-source” heat pumps. (Think of a heat pump like an air conditioner that can also run in reverse.) The heat pumps are fed by water-filled pipes that run under the street between homes and 600-foot wells in the ground. At that depth, the earth is a constant 55 degrees Fahrenheit.

“In the winter, you're using water to pull heat out of the ground, move it through the loop, and send it into a home where a heat pump will concentrate that heat and keep the home warm,” said Eric Bosworth, a senior program manager in Eversource’s Clean Technologies Department.

“It does the exact same thing in the summer, but in reverse — it's pulling heat out of the home to cool it, sending it through the loop and then back underground. ...

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The Longest Tunnel in New York Feels Like an Endless Underground Adventure - USA

The Longest Tunnel in New York Feels Like an Endless Underground Adventure - USA | Underground space | Scoop.it

The Brooklyn-Battery Tunnel is the longest tunnel in New York. It is a marvel of engineering, stretching an impressive 9,117 feet beneath the bustling streets of New York City. As one enters the tunnel, they are met with a sense of adventure and mystery that can only be found in subterranean spaces. The walls are lined with smooth concrete, illuminated by soft blue lights that guide drivers through its winding path. The atmosphere is cool and quiet, providing a welcome respite from the hustle and bustle above ground.

 

As you travel deeper into the tunnel, you may notice small ventilation shafts peeking out along the ceiling, evidence of the careful planning and construction required to create such an intricate underground structure. Despite its massive size, there is also a sense of intimacy within the tunnel’s confines. Cars seem to glide effortlessly through the curves as if on rails.

 

Overall, experiencing this remarkable feat of engineering firsthand is nothing short of awe-inspiring. From its sleek design to its serene atmosphere below ground level, it truly feels like embarking on an exciting journey into another world – one hidden away beneath the busy city streets above. ...

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Central Station concurse opens to Sydney; Surry Hills fire delays eastern entrance opening - Autralia

Central Station concurse opens to Sydney; Surry Hills fire delays eastern entrance opening - Autralia | Underground space | Scoop.it

A blaze that engulfed a building near Sydney’s Central Station has failed to derail the planned 4am opening on Monday of a massive new concourse at the rail hub, part of a near $1.3 billion project that shifts underground the main point where commuters switch between trains.

While the huge fire has delayed the unveiling of a new eastern entrance to Central Station, transport officials are pushing ahead with the opening of the 140-metre north-south concourse located below existing train lines.

It significantly expands an underground interchange area for commuters and removes a rabbit warren of narrow passages at the station’s northern end. ...

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18th World Conference of the Associated research Centres for the Urban Underground Space (18th ACUUS)

18th World Conference of the Associated research Centres for the Urban Underground Space (18th ACUUS) | Underground space | Scoop.it
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Challenges of creating underground space in a net zero world

At the 2022 GE Basements and Underground Structures conference, Tim Chapman, who is responsible for net zero carbon infrastructure at Arup, discussed the following industry:

 

  • Creating underground space involves huge carbon expenditure – how can this be justified?
  • Novel ways of making underground space and deep basements in net zero ways – learnings from High Speed 2 and other projects
  • Ongoing and required research to achieve even bigger improvements.

 

https://youtu.be/2p8tprADQLg 

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Urban infrastructure development key to country's economic growth - Saigon, Vietnam

Urban infrastructure development key to country's economic growth - Saigon, Vietnam | Underground space | Scoop.it

At a workshop on Vietnam's economic development motivation 2023 organized by the Ministry of Construction on December 14, scientists and economists released assessments on the current situation, opportunities, investment potentiality and challenges for the construction sector and economic sectors, and proposed many solutions to create a driving force for economic growth. ... At the workshop, the economists were unanimous with the point of view that in order to create further the driving force for economic development in the upcoming period, it is necessary to prioritize investment in closing ring roads, radial roads, public transport systems in synchronization with large parking lots in urban areas; increase exploitation and operation of underground space systems, urban underground works, multi-functional spaces of urban areas.

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Is the underground the future of cities?

Is the underground the future of cities? | Underground space | Scoop.it
An article from the special issue of L'Express "Find the city that suits you"In order to accommodate more and more people in the cities, it was long believed that there were only two possibilities: to build further and further or higher and higher. But there is another method, of which we think less and which…
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A guide to Montreal's Underground City now that there's snow everywhere - Canada

A guide to Montreal's Underground City now that there's snow everywhere - Canada | Underground space | Scoop.it

Here is a handy guide for navigating Montreal's massive Underground City, especially now that winter has reared its ugly head. ... It’s a 33-kilometre pedestrian network that is under the heart of downtown, linking metro stations to shopping malls, activities, restaurants, and venues. ... Known officially as le RÉSO (the network), Montreal’s Underground City connects over 1,700 shops, 200 restaurants, universities, movie theatres, metro stations, museums, and even a skating rink.

What makes the network so alluring — besides getting through the city without needing layers of winter gear — is that it follows the same schedule as Montreal’s metro. Meaning most parts of the Underground City are open from 5:30 am to 1 am daily.

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