Investigations on Stone Matrix Asphalt Using Construction Demolition Waste as Partial Replacement to Coarse Aggregates for Sustainable Roads

被引：0

作者：

Shivkumar ^{[1
]}

Harish, Narayana ^{[1
]}

Mandal, Sukomal ^{[2
]}

Prabhakara, Ramappa ^{[1
]}

机构：

[1] Ramaiah Inst Technol, Dept Civil Engn, Bengaluru 560054, India

[2] PES Univ, Dept Civil Engn, 100 Feet Ring Rd,Banashankari Stage 3, Bengaluru 56008, India

来源：

URBANIZATION CHALLENGES IN EMERGING ECONOMIES: RESILIENCE AND SUSTAINABILITY OF INFRASTRUCTURE | 2018年

关键词：

Stone matrix asphalt; Construction demolition wastes; Flexible pavement; PERFORMANCE; MIXTURES;

D O I：

暂无

中图分类号：

F0 [经济学]; F1 [世界各国经济概况、经济史、经济地理]; C [社会科学总论];

学科分类号：

0201 ; 020105 ; 03 ; 0303 ;

摘要：

Large quantities of construction and demolition (C&D) waste generated in cities and the disposal is becoming major problem. In line with these thoughts, this study focuses on the utilization of construction waste to improve the performance of stone matrix asphalt (SMA) in terms of mechanical, volumetric, and moisture susceptibility and propose the suitable percentage of C&D waste from the mixes. From this investigation, it is observed that the stability, flow, bulk density, voids filled in bitumen, and Marshall quotient values are decreasing from conventional mix to modified mix. But, air voids and voids filled in mineral aggregate values are increasing from conventional mix to modified mix. The indirect tensile strength and tensile strength ratio values are decreasing from conventional mix to modified mix. From the results it is observed that 10% C&D waste is suitable to prepare SMA surface layer.

引用

页码：345 / 353

页数：9

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