Assurance of Road Networks Robustness in Case of Unexpected Events


Tomme: LIX (LXIII) Fascicle: 3 | 2013
Pages: 29-36
Abstract text:
Based on the information regarding the traffic data recorded during the 2010 census and the Origin/Destination surveys , conducted on the entire national road network of Iaşi County, several traffic simulations have been performed. These scenaria can be used to observe the most important routes of the county and possibly to develop a plan for prioritization of future investments Assuming the occurrence of hazards on the Iaşi county road network, namely the colaps of the bridge on DN 28 from km 6 + 957, due to floods, a traffic scenario/simulation has been developed and the necessary measures for ensuring network robustness by adopting sustainable road pavements have been established. In this respect, by conducting of a significant construction cases, a series of assumptions regarding the redistribution of traffic values on various road sections of the road network of Iaşi county have been made , and appropriate verifications, in terms of traffic capacity and strength of pavements have been performed . Finally, a series of alternative routes, equiped with new robust pavements, capable to bear the higher traffic loads arising from redistribution has been established.
Key Words:
alternative routes; traffic capacity; robustness; robust pavement structures; robust road network; sustainable pavements

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