A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ground Improvements for a Sloped Runway Expansion
This paper describes an extensive mass soil mixing and stone column ground improvement program conducted for the expansion of a taxiway and runway at Fort Lauderdale-Hollywood International Airport in Fort Lauderdale, Florida, USA. The expansion, currently under construction, required a total elevation change of up to 18.3 m (60 ft) over the 2,438.4 m (8,000 ft) long, 45.7 m (150 ft) wide expansion to allow planes to traverse over US 1 and the Florida East Coast railroad tracks, and the airport’s perimeter and entrance roadways. The project includes a complex system of mechanically stabilized earth (MSE) walls, cast-in-place walls, and embankments to support the new taxiway and runway. A shallow organic layer and deeper pockets of organic soils underlie the bridge abutments and MSE walls on the project’s east side. Placement of embankment fill would produce excessive deformation and instability issues within the underlying organic and loose soils unless these soils were treated prior to construction. The design-build solution included nearly 152,911.0 m3 (200,000 yd3) of mass soil mixing and over 3,000 vibro replacement (VR) stone columns to depths up to 9.1 m (30 ft). The solution reduced settlement and increased stability for all treatment areas. This paper presents project design, execution, verification testing, data acquisition, and post-improvement performance.
Ground Improvements for a Sloped Runway Expansion
This paper describes an extensive mass soil mixing and stone column ground improvement program conducted for the expansion of a taxiway and runway at Fort Lauderdale-Hollywood International Airport in Fort Lauderdale, Florida, USA. The expansion, currently under construction, required a total elevation change of up to 18.3 m (60 ft) over the 2,438.4 m (8,000 ft) long, 45.7 m (150 ft) wide expansion to allow planes to traverse over US 1 and the Florida East Coast railroad tracks, and the airport’s perimeter and entrance roadways. The project includes a complex system of mechanically stabilized earth (MSE) walls, cast-in-place walls, and embankments to support the new taxiway and runway. A shallow organic layer and deeper pockets of organic soils underlie the bridge abutments and MSE walls on the project’s east side. Placement of embankment fill would produce excessive deformation and instability issues within the underlying organic and loose soils unless these soils were treated prior to construction. The design-build solution included nearly 152,911.0 m3 (200,000 yd3) of mass soil mixing and over 3,000 vibro replacement (VR) stone columns to depths up to 9.1 m (30 ft). The solution reduced settlement and increased stability for all treatment areas. This paper presents project design, execution, verification testing, data acquisition, and post-improvement performance.
Ground Improvements for a Sloped Runway Expansion
Cook, Curtis R. (author) / Plaskett, Mark E. (author) / Garbin, Ed J. (author)
IFCEE 2015 ; 2015 ; San Antonio, Texas
IFCEE 2015 ; 2369-2378
2015-03-17
Conference paper
Electronic Resource
English
GROUND IMPROVEMENTS FOR A SLOPED RUNWAY EXPANSION
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