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UndergroundInternationalM4 M5 Link Tunnels

David Oliveira

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The M4-M5 Link Tunnels in Sydney, Australia, is approximately 7.5 km (4.7 mi) long and accommodates up to four lanes of traffic in each direction. It connects the New M4 Tunnels with the M8 Tunnels to form the 33 km (20 mi) long Westconnex Motorway, mostly underground.

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InternationalRecreationalArtistic Shotcrete Use in Exhibit Fabrication

Christopher Foster

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The zoological and aquarium industry has been successfully using shotcrete placement within animal habitats for several decades. The flexibility and durability of shotcrete provides natural settings that allow for better animal enrichment over caged habitats. Zoo guests also benefit from viewing animals in a more organic habitat where the animals exhibit their natural behaviors

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InternationalRecreationalSkateboarding in Barbados

Andy Duck

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People have been traveling to the small Caribbean island of Barbados to surf the ever-present waves arriving across the Atlantic for as long as humans have pursued wave riding. The same can be said about skateboarding as the parish of Christ Church now boasts a regional concrete skatepark! This was a long and thorough process shepherded by a consortium of firms and associations, all working to provide the Bajans a modern concrete skatepark through proper planning and processes. This all began with one phone call from Paul Wilson, a local skateboarding advocate with the tireless passion to bring proper skateboarding to the youth (of all ages) of Barbados.

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RepairInternationalRepairs and Strengthening of Brick Arch Masonry Storm Water Drains for MCGM

Kasturi Projects PVT, LTD

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The storm water drains in the city of Mumbai, India, are over 100 years old and constructed with brick arch masonry during the British Era (Fig. 1). The storm water drains (SWD) were prone to frequent cave-ins. To prevent cave-ins, enhance their safety, and maintain the SWD system, the Municipal Corporation of Greater Mumbai (MCGM), under the Central Government of India “BRIMSTOWAD” Scheme, initiated a detailed survey and mapping of the SWD for the City of Mumbai.

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InternationalRecreationalAyla Golf Academy and Clubhouse

Beat Huesler

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For the Ayla Golf Academy and Clubhouse in Aqaba, Jordan, Oppenheim Architecture took inspiration from the surrounding landscape and Bedouin tradition to deliver a distinctive building that evokes the aelemental beauty of the desert and mountains. The design amakes innovative use of shotcrete to create

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ArchitecturalInternationalThe Pretoria Canopy

Eamonn Ryan and Dustin Strever

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A 26 m (85 ft) long, highly unusual concrete portico over the entrance of a government building (The Pretoria Canopy), located in Silverton, Pretoria, South Africa, transforms a fairly ordinary

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InternationalPampoen Nek Cutting

Dustin Strever

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Situated in a pristine part of the country near the Hartbeespoort Dam in the Gauteng province of sunny South Africa, the Pampoen Nek Cutting bisects the landscape

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StructuralInternationalRecreational2018 Winter Olympics Sliding Track Mockup Test

Kyong-Ku Yun, Yong-Gon Kim, and Dudley R. (Rusty) Morgan

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On June 4, 2014, a mockup of the 2018 Winter Olympics sliding track was constructed by Daesang E&C Co. Ltd.,

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UndergroundStructuralInternationalGeneralCellular Sprayed Concrete

Kyong-Ku Yun

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Cellular sprayed concrete is an innovative method of remixing ordinary portland cement (OPC) concrete into a high-performance concrete (HPC) by adding cellular material and silica fume or other powdered admixturesat a jobsite.

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InternationalRecreationalRegionally Symbolic Tunnel Portals at Expressway

Kyong-Ku Yun, Yong-Gon Kim, and Sung-Yong Choi

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Since the construction of the first expressway in the 1970s, the total length of expressways in Korea has increased to 2757 miles (4437 km), of which 542 miles (872 km) include 1055 tunnels.