From 09/2010 to 07/2013, Doctorate
From 07/2013 to 07/2015, Post-doctoral
From 07/2015 to Present, Associate Professor
Research Institute of Highway Ministry of Transport
From 01/2013 to 12/2015, Durability of Concrete under Simulated Nature Environment
Macro and micro performances of concrete under multi-factors erosion environments. Model relationship has been esteblished between durability and pore structure.
From 06/2012 to 11/2016, Technology of Highway Bridge Durability Design and Construction in Mountainous Area
Concrete for bridge in mountain area has been design. Methods for enhancing concrete durability has been studied.
From 03/2013 to 03/2015, Fiber Concrete Bridge Deck Technology
PPTF fiber was used in bridge deck concrete to enhance flexural behavior.
From 09/2010 to 07/2011, Early Plastic Shrinkage of Cement Concrete Pavement
Critical line has been found to discriminant concrete cracking or not.
From 05/2015 to 12/2016, Quality Control System of Filling Pile Construction
An equipment will be invented to keep filling pile quality.
From 04/2013 to 07/2017, High Strength and Performance Crushed Sand Concrete Design and Construction Technology
Crushed sand standard for concrete will be provied. Rebound curve of crushed sand concrete has been find out.
From 09/2012 to 11/2015, Multi Parameters Valuation Technology on Highway Construction
Based on analytic hierarchy process, a kind of valuation method has been carried out. Construction unit will be award or punished by construction qualities.
From 07/2013 to 06/2015, Wall Block and Forming Method
A kind of wall block has been developed which has functions of keeping warm,bearing and decoration.
From 07/2013 to 06/2015, Fiber Enhanced Foam concrete
The best mixiing ways of fiber into foam concrete has been found out.
cement concrete durability
Test and simulation on pull-out behavior of steel wire in foam concrete,Journal of Harbin Institute of Technology,ISSN:23-1235/T, Volume 6,No.48,2016,Page No.119-123.Author:YU Lei, FU Yuyong, ZHANG Jun, WANG Jiahe.
Quantitative relation model between macro performance and pore structure of cement concrete,Journal of Harbin Engineering University,ISSN:23-1390/U ,Volume 11,No.36,2015,Page No.1459-1464.Author:YU Lei, ZHANG Jun, ZHANG Jinxi, MA Baocheng.
Feasibility and Effectiveness of the Timely Curing Methods in Cement Concrete Pavement,Journal of Beijing University of Technology,ISSN:112445,Volume 38,No.2,2012,Page No.213-218.Author:YU Lei, ZHANG Jin-xi
Mechanical Property of Composite Concrete Blocks with Fiber Concrete Board and Foam Concrete,New Building Materials,ISSN:33-1078/TU,No.7,2015,Page No.48-52.Author:YU Lei, ZHANG Jun, WANG Zhenbo, WANG Jiahe
Regularity on Pressive Strength Variation in Cement Concrete Corroded by Environmental Effects,Concrete,ISSN:21-1259/TU,No.8,2013,Page No.43-46.Author:YU Lei, ZHANG Jinxi, JIA Dong.
Study on Experimental Method and Evaluation Indexes for Cement Binders Corroded by Environment,Concrete,ISSN:21-1259/TU,No.1,2013,Page No.58-62.Author:YU Lei, ZHANG Jinxi.
Critical Index and Method Research on Cement Concrete Plastic Shrinkage,Journal of Highway and Transportation Research and Development,ISSN:11-2279/U,Volume 27,No.11,2010,Page No.Author:YU Lei, ZHANG Jinxi, Wang Dezhi.
Effect of Driving Safety by Discontinuity of Pavement Performance,China Science and Technology Information,ISSN:11-2739/N,No.7,2013,Page No.134-136.Author:YU Lei, ZHANG Jinxi.
'Mechanical Properties Optimization of Fiber Reinforced Foam Concrete' MATEC Web of Conferences,May-23,2016,Shanghai,China
'Ink-Bottle Pore Changes in Cement Concrete Corroded by Environmental Coupling Effect'2nd Annual International Conference on Advanced Material Engineering,April-10,2016,Wuhan,China
'Relationships between Compressive Strength and Microstructure in Mortars with Iron Ore Tailings as Fine Aggregate',The Second SREE Workshop on Applied Mechanics and Civil Engineering, September 15-16, 2012 ,Hong Kong.
'Study on Regularity of Early-age Plastic Shrinkage Cracking in Cement Concrete Pavement'2011 International Conference on Chemical Engineering and Advanced Materials,May 28-30,2011, Changsha, China.
Honors and Awards
The Second Prize of Award for Scientific and Technological Advancement in Hebei Province, 2011.
The First Prize of Award for Scientific and Technological Advancement in Qinhuangdao City, 2011.
Technology Innovation Award, Beijing University of Technology, 2011-2013.
Tsinghua Post-doctoral Activist, 2014.
YU Lei, Study on Regularity of Early-age Plastic Shrinkage Cracking, 2011 International Conference on Chemical Engineering and Advanced Materials,May 28-30,2011, Changsha, China.
YU Lei,Relationships between Compressive Strength and Microstructure in Mortars with Iron Ore Tailings as Fine Aggregate,The Second SREE Workshop on Applied Mechanics and Civil Engineering, September 15-16, 2012 ,Hong Kong.
YU Lei,Concrete durability research. International Conference of high performance concrete,September 2-3,2012,Wuhan,China.