In the near future，China Highway Construction Industry Association announced and commended a number of units and individuals who have made contributions to China's highway construction industry.，Scientific and technological achievements of Nanfang Road Machinery Co., Ltd.“Key Technology and Engineering Application of Performance Improvement and Production Optimization of Pavement Aggregate”Won the 2022 China Highway Construction Industry AssociationSpecial Science and Technology Progress AwardThe first prize。

China Highway Construction Industry Association is under the supervision of the Ministry of Transport.，Its Science and Technology Progress Award aims to enhance the technological innovation capability of the transportation industry.，Promote the scientific and healthy development of the transportation industry，Further promote the transformation of achievements and the integration of industry, education and research。The awards shall be examined and approved by the National Science and Technology Award Office.，Selected into the list of social science and technology awards in China，It has high technical content.，It is a very high honor in the field of highway science and technology innovation.。This award，It is a powerful manifestation of the innovative ability of Southern Road Machinery in the field of low-carbon transportation technology.，It can contribute to speeding up the construction of a modern transportation power.。

Main technical innovation points of the project

The influence of aggregate morphology on the performance of asphalt mixture，The influence of aggregate morphological characteristics on the performance of asphalt mixture was revealed by numerical simulation；The three-dimensional digital model database of aggregates based on real shape is constructed.，And that model“Build once，Infinite call”；A new construction method of asphalt mixture model is put forward.，It has both tradition and traditionCTAccuracy of Image Method and Convenience of Computer Generation Method。
Development of aggregate crushing and shaping technology and equipment，Independently developedUSFVertical shaft impact type crushing and shaping technology，Realize secondary crushing；The best crushing technology for different lithology is put forward.；The influence of the rotating speed of the crusher on the crushing efficiency and particle morphology was systematically revealed；A complete set of aggregate shaping technology and factory equipment has been formed.；Can produce different sizes of thick、Fine aggregate, etc.。
Among，The technical achievements have been successfully applied to the deck pavement of the Hong Kong-Zhuhai-Macao Bridge，It represents the highest international level of aggregate processing technology.。


This technology can effectively improve the utilization efficiency of natural sand and gravel.，Promote the production of high-quality road aggregate，The service life of the pavement is effectively prolonged.，A large amount of production cost can be saved。At the same time，But also can solve that problem that a high-quality project is in urgent nee of high-quality aggregate.，Aving non-renewable stone resource，Improve the safety of road use，Yes, build security、Convenient、Efficient、Green、Economic modernization and comprehensive transportation are of great significance.，It has achieved remarkable economic and social benefits.。

As a state-level high-tech enterprise，R & D innovation is a powerful driving force for the development of Southern Road Machinery。All the time，Nanfang Road Machinery puts technological innovation in the key position of the company's development.，Form a batch of high quality、High level of innovation and continuous introduction of innovative products and solutions，Meet different needs of users。This award，It not only shows the outstanding achievements of Nanfang Road Machinery in the field of highway, but also shows the outstanding achievements of Nanfang Road Machinery in the field of highway.，It also shows that Nanfang Road Machinery has strong technical strength in the field of construction machinery.。