Jacket type artificial ground
Steel structures are often used for approach light facilities as airport-related facilities, taking advantage of their light weight and high strength. In recent years, steel structures have also been applied to airport runway artificial ground.
Features of the Construction Method
- 1Structures can be made higher.
- 2Longer spans of structures are possible.
Jacketed jetty (Overview of construction method)
Runway approach lights
Airport radio altimeter ground
Construction examples
Tokyo International Airport Runway A Security Facility Site Foundation and Upper etc.
| Client | Kanto Regional Development Bureau, Ministry of Land, Infrastructure and Transport |
|---|---|
| Purpose/Function | Construction of LOC site |
| Year completed | 2017 |
| Dimensions (m) | 105 m x 97 m |
| Quantity (/element) | - |
| Weight | 2,681 t |
| Steel weight | - |
| Concrete volume | - |
| Design overview | - |
| Remarks | Construction of LOC site |
Naha Airport Runway Extension 36-side and 18-side approach light bridge construction
| Client | Okinawa General Bureau, Ministry of Land, Infrastructure, Transport and Tourism |
|---|---|
| Purpose/Function | Approach lights |
| Year completed | 2016 |
| Dimensions (m) | L200 m+L350 m φ1200 |
| Quantity (/element) | 20 |
| Weight | 368 t |
| Steel weight | - |
| Concrete volume | - |
| Design overview | - |
| Remarks | Approach light facilities for runway expansion project |
Naha Airport 18-side approach light bridge construction
| Client | Osaka Civil Aviation Bureau, Ministry of Land, Infrastructure and Transport |
|---|---|
| Purpose/Function | Runway approach lights |
| Year completed | 2011 |
| Dimensions (m) | L178.6 m |
| Quantity (/element) | 2 |
| Weight | - |
| Steel weight | 180 t/element |
| Concrete volume | - |
| Design overview | - |
| Remarks | Offshore entry light, steel pipe girder (4-span, 8-span continuous) |
Runway D at Tokyo International Airport
| Client | Kanto Regional Development Bureau, Ministry of Land, Infrastructure and Transport |
|---|---|
| Purpose/Function | Runway (jetty) |
| Year completed | 2009 |
| Dimensions (m) | L1080.0 m+W520.0 m (Area 520,000 m2) |
| Quantity (/element) | 1(198jackets) |
| Weight | 250,000 t |
| Steel weight | 1,600 t/unit |
| Concrete volume | - |
| Design overview | Design earthquake load L2, service life 100 years (corrosion protection, fatigue durability) |
| Remarks | Seawater-resistant stainless steel lining, titanium cover plate |
Hiroshima Airport Artificial Subgrade Substructure Work
| Client | Chugoku Regional Development Bureau, Ministry of Land, Infrastructure and Transport |
|---|---|
| Purpose/Function | Piers (radio altimeter site) |
| Year completed | 2005 |
| Dimensions (m) | L4.0 m+W56.0 m, pier height 51.6 m |
| Quantity (/element) | 3 |
| Weight | - |
| Steel weight | 827 t/element |
| Concrete volume | - |
| Design overview | - |
| Remarks | Steel trestle piers |
