Numerical study on the surface depression of the concrete runway pavement under impact load
Ali, Saima, Liu, Xuemei, & Fawzia, Sabrina (2016) Numerical study on the surface depression of the concrete runway pavement under impact load. International Journal of Research in Civil Engineering, Architecture & Design, 4(1), pp. 8-19.
Airport runway pavement always subjected to huge impact loading due to the hard landing of aircraft on the pavement surface. Therefore runway pavements should have sufficient impact resistance capability to avoid damage causing by hard impact like surface deflection in downward or penetration since the repair works is cumbersome within the operating condition of airport and also increases the service life cost of the pavement structure. Several research works have been carried out on airport runway pavement to measure the present condition of pavement and also to predict future performance of it. However, most of the works are confined by pavement response under moving aircraft loading. Nevertheless, no comprehensive research work is yet conducted to identify the controlling factors which might have significant effect in changing the common pavements damage like surface penetration depth under impact of aircraft. Therefore, a 3D FE study is conducted to determine some effective factors in controlling the top surface penetration depth of runway pavement. Among the exterior factors, mass of the impactor, velocity of the impactor, impact angle and boundary conditions are selected and as interior factors, thickness of the runway pavement, compressive strength and density of materials used in the runway pavement are selected.
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|Item Type:||Journal Article|
|Keywords:||Surface depression, fracture energy, impact angle, compressive strength, strain rate effect|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2016 IASTER|
|Deposited On:||08 Mar 2016 02:31|
|Last Modified:||09 Mar 2016 00:55|
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