A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Garfield County Regional Airport Runway Upgrade Project
The Garfield County Regional Airport in Rifle, Colorado sits atop a mesa high above the surrounding terrain. In order to accommodate a larger class of jet aircraft and improve safety, the main runway will be upgraded and realigned. The new runway will require expansion of the mesa's flat top by means of 30 meter (90 foot) high fill slopes. Space for runway expansion is constrained on both ends of the existing mesa by county roads and Interstate 70. Fill slopes steeper than can be attained with conventional earth fill are required. An alternatives analysis identified earth fill amended with cement (soil-cement) as the preferred method to allow increased slope angles and meet geometric constraints. A soil-cement mix design was formulated using on-site materials. Slopes as steep as 1H:1V are proposed in the constrained areas. Flatter earth fill slopes were designed for less constricted areas. In addition to the unique application of soil-cement as a slope buttressing material, very loose wet materials were encountered in several borings during site investigations. Consideration of these potentially loose saturated materials underneath 90-foot high fill slopes presented a difficult design challenge. Olsson Associates were the prime consultant on the project.
Garfield County Regional Airport Runway Upgrade Project
The Garfield County Regional Airport in Rifle, Colorado sits atop a mesa high above the surrounding terrain. In order to accommodate a larger class of jet aircraft and improve safety, the main runway will be upgraded and realigned. The new runway will require expansion of the mesa's flat top by means of 30 meter (90 foot) high fill slopes. Space for runway expansion is constrained on both ends of the existing mesa by county roads and Interstate 70. Fill slopes steeper than can be attained with conventional earth fill are required. An alternatives analysis identified earth fill amended with cement (soil-cement) as the preferred method to allow increased slope angles and meet geometric constraints. A soil-cement mix design was formulated using on-site materials. Slopes as steep as 1H:1V are proposed in the constrained areas. Flatter earth fill slopes were designed for less constricted areas. In addition to the unique application of soil-cement as a slope buttressing material, very loose wet materials were encountered in several borings during site investigations. Consideration of these potentially loose saturated materials underneath 90-foot high fill slopes presented a difficult design challenge. Olsson Associates were the prime consultant on the project.
Garfield County Regional Airport Runway Upgrade Project
Kohlman, Alyssa (author) / Hallman, Dave (author)
Biennial Geotechnical Conference 2008 ; 2008 ; Denver, Colorado, United States
GEO-Velopment ; 192-203
2008-10-28
Conference paper
Electronic Resource
English
| Online Contents | 2003