Xu Peihua completed more than 0 scientific research projects/kloc-0.

Research on key technologies of rutting maintenance of expressway asphalt pavement, complete sets of asphalt pavement technology of Anraocheng Expressway, key technologies of asphalt pavement of mountainous expressway, waterproof application technology of expressway bridge deck, high-quality modified emulsified asphalt material, application technology of modified asphalt material, industrialization technology of waste rubber powder modified asphalt material, application technology of asphalt pavement material regeneration, key technologies of design and construction of asphalt macadam stress absorption layer, low-carbon transportation system, green energy-saving road materials, etc. Scientific research achievements won the second prize of provincial and ministerial level scientific and technological progress 1 item, 2 third prizes of provincial and ministerial level scientific and technological progress, and 6 scientific and technological progress at bureau level. Won more than 20 national invention patents and utility model patents 10, of which 2 patents won the second prize of Shaanxi patent technology and 1 won the first prize of the first creative design competition in Shaanxi province.

Published more than 60 papers in various academic journals at home and abroad; We have compiled and published Quality Control Technology for Subgrade and Pavement Construction of High-grade Highway, Maintenance Technology for Subgrade and Pavement of High-grade Highway, Construction Supervision of Highway Engineering Project, Technical Manual for Mix Design and Test of Highway Engineering, Technical Reading Book for Maintenance of Asphalt Pavement of High-grade Highway, edited and published Subgrade and Pavement Test Technology (the first edition of Training Textbook for Highway Engineering Test and Inspection Engineers), and participated in the compilation of Highway Maintenance Management Manual.