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Mix Design of Semi-rigid Base Material Based on Anti-erosion Performance
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[1]SHENG Yan-ping,LI Haibin,CHEN Shuanfa.Mix Design of Semi-rigid Base Material Based on Anti-erosion Performance[J].Journal of Zhengzhou University (Engineering Science),2012,33(03):19-23.[doi:10.3969/j.issn.1671-6833.2012.03.005]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 33 Number of periods: 2012 03 Page number: 19-23 Column: Public date: 2012-05-10
Title:
Mix Design of Semi-rigid Base Material Based on Anti-erosion Performance
Author(s):
SHENG Yan-ping; LI Haibin; CHEN Shuanfa
1.School of Materinle Science and Engjneering,Chang’an Universitly, Xi’an 710064, China;2. Engineering Research Center olTransportation Materials of Ministry of Edueation, Xi’an 710064, Chins; 3. Department of Archiecture and Civil Engineering,Xi’an University of Science and Tecbnology,Xi’an ,710054,China.
Keywords:
cement concrete pavement;  semi-rigid base;  anti-erosion performance;  mix design
CLC:
U414
DOI:
10.3969/j.issn.1671-6833.2012.03.005
Abstract:
Pavement slab with cavity caused by poor anti-erosion performance of semi - rigid base matcrial isthe main cause leading to damage of cement concrete pavement, Although requirements of the anti-erosion per.formance and stifness of the base material are put forward in the existing design gpecification of cement con.crete pavement, it is only limited within qualitative requirement level. The design index and standard of semi.rigid base material are put forward according to the experiment results and literalure research, Gray systemtheory is used to establish erosion and strength prediction modei of semi-rigid base material, and several pre.dietion formula of erosion and strength are developed, Finally, the material composition design method ofsemi-rigid base based on anti-erosion properties is proposed. Test resuits show that the semi-rgid base de.signed with this design method has good performance.
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