Abstract: A three-step local search algorithm based on a probabilistic variable neighborhood search is presented for the vehicle routing problem with a heterogeneous fleet of vehicles and soft time windows (VRPHESTW). A generation ...

Abstract: The dynamic performance of high-speed railway systems’ stability, comfort, and safety is an essential topic worldwide. The multiorder elastic modes of components are the key factors. It is the core technology to ensure the ...

Abstract: The roles of construction project managers have evolved throughout the years. Current-day construction managers are faced with several challenges that require the acquisition of competencies in administration and management. ...

Abstract: University programs in Western countries must be accredited, and although several detailed conceptual methods have aimed to design new programs, no specific quantitative tools are currently available. The purpose of this ...

Abstract: Small-sized and medium-sized contractors are characterized by organizational structures that are highly focused on control. As a result, employees concentrate on day-to-day activities with little time or motivation to ...

Abstract: The economic crisis that currently affects some Western countries has reduced the employability of graduates in the construction industry. Nevertheless, many young professionals consider this situation as an opportunity ...

Abstract: This paper presents one approach to a methodology to design reinforced concrete cantilever retaining walls for road construction using a hybrid multistart optimization strategic method based on a variable neighborhood ...

Abstract: Small-sized and medium-sized contractors are characterized by organizational structures that are highly focused on control. As a result, employees concentrate on day-to-day activities with little time or motivation to ...

Abstract: Los motivos que impulsan a las empresas constructoras a innovar, así como los procedimientos que utilizan, no han sido suficientemente explorados hasta el momento en la literatura sobre gestión de la construcción. Este ...