Open AccessResearch review on the Key Technology of Preventive Maintenance: The Durability of 4.75mm NMAS Stone Mastic Asphalt (SMA-5) Ultra-thin Overlay
Author(s) -
Jingxian Liu,
Shucai Wei,
Ling Yan,
Jiahao Tai,
Chenfeng Shao,
Siyue Zhu
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2009/1/012013
Subject(s) - durability , sma* , overlay , asphalt , computer science , grading (engineering) , key (lock) , materials science , forensic engineering , construction engineering , composite material , engineering , civil engineering , computer security , algorithm , programming language
SMA-5 Ultra-thin Overlay is a kind of preventive maintenance material which has the advantages of fast construction, good surface texture depth, cost-effective and environmentally friendly. It is also suitable for the maintenance of bridge and tunnel which have restriction on elevation. However, the insufficient durability is the key factor which restricts the development of SMA-5. This article summarizes the key technology to enhance the durability of SMA-5 in terms of its material composition, grading and mixture design methods, which provide a reference for improving the durability of SMA-5 and promoting the application of SMA-5.