Yuan Zhang - Structural Synergy. Structural Engineering

Delft University of Technology Road and Railway Engineering 2010-2015 +31152789791 [email protected]

Biography

Yuan comes from Hubei province in the central part of China. The name of the province means “north of the lake” referring to its position north of Lake Dongting. After graduated from Material Science and Engineering department in Wuhan University of Technology, he continued his master degree study in that university with a topic of Conductive Asphalt Concrete in 2007.

Research

Preventive maintenance through addition of rejuvenator is being considered as a cost-effective and environmentally sustainable strategy designed to extend the life of existing pavements. Porous asphalt concrete is extensively used as a surface layer on motorways in the Netherlands. Due to raveling, the service life of the porous asphalt pavement is limited when compared to the dense asphalt wearing courses. The Dutch Ministry of Transport has launched a project to research a maintenance method using rejuvenators to extend the service life of the porous asphalt pavement. In the research, the working principles of rejuvenators in the porous asphalt concrete and their influence for the performance of porous asphalt pavement have been investigated. The research method will be used as a reference to create a judgment system for the feasibility of using product in the market as a rejuvenator for porous asphalt pavement.

Promotor

Prof.dr.ir. A.A.A. Molenaar [email protected]

Nano CT scanning image shows the distribution of rejuvenator in the porous asphalt concrete

Finite element modelling with and without rejuvenator can show the stress change in the critical area under a compressive loading.

Application of rejuvenator by spraying it on porous asphalt pavement.

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In document Structural Synergy. Structural Engineering (Page 88-93)