FCS3

Yiwen Bu, PhD, PE, LEED AP Director of Concrete Engineering

Dr. Yiwen Bu brings technical concrete experience to the Twining team. She specializes in durability assessment and service life modeling of concrete. She is devoted to improve the life span of concrete structures through material optimization and crack mitigation. She is responsible for the design, review, and preconstruction evaluation of concrete. She has led various projects involving quality control and assurance testing of concrete and concrete aggregates for structural and paving applications. She is overseeing all of Twining’s projects of thermal control for mass concrete placements. Currently, she is researching and developing laboratory capabilities and services for Twining to better serve the construction industry, as well as new technologies and solutions for the pressing demand on the construction industry to reduce carbon footprint.

Overview Joined Twining in 2014

Education PhD, Materials Science and Engineering, May 2014 Purdue University, West Lafayette, IN

Current Licenses Held 

Professional Engineer: C85822

 LEED Accredited Professional BD+C: 10984857

Experience with Portland Cement Concrete Pavement  Los Alamitos Joint Forces Training Base-Taxiway Pavement Repairs: Project Manager for the quality control testing of portland cement concrete pavement.  State Route 126, Commerce Center Drive Interchange, Los Angeles, CA: Project Project Engineer for preconstruction laboratory and field mix design studies of portland cement concrete pavement, lean concrete base, etc.  Highway 58 – Hinkley Road Construction, San Bernardino, CA: Project Project Engineer for preconstruction laboratory and field mix design studies of portland cement concrete pavement, lean concrete base, etc.  LAX T1 Modernization Program, Los Angeles, CA : Project Engineer for preconstruction laboratory and field mix design studies of portland cement concrete pavement, aggregate evaluations, etc.  LAX Midfield Satellite Concourse North Project, Los Angeles, CA : Project Engineer for preconstruction laboratory and field mix design studies of portland cement concrete pavement.  CT 11-288814, Route 11/125/905, San Diego, CA: Project Manager for the quality control testing jointed plain concrete pavement.  Construction on State Highway 5 at Castaic, Los Angeles, CA: Project Project Engineer for preconstruction laboratory and field mix design studies of portland cement concrete pavement, lean concrete base, etc.