Universiti Teknologi Malaysia Institutional Repository

Recycled concrete aggregate as a road base material

Giwangkara, G. G. and Mohamed, A. and Khalid, N. H. A. and Nor, H. M. and Hainin, M. R. and Jaya, R. P. and Sani, W. N. H. M. and Ismail, C. R. and Aziz, M. M. A. (2019) Recycled concrete aggregate as a road base material. In: 11th International Conference on Geotechnical Engineering in Tropical Regions (GEOTROPIKA) and 1st International Conference on Highway and Transportation Engineering (ICHITRA) 2019, 27-28 Feb 2019, Kuala Lumpur, Malaysia.


Official URL: http://dx.doi.org/10.1088/1757-899X/527/1/012061


Natural crushed aggregate (NCA) is the most common material for aggregate throughout the world. The consumption of the NCA itself is rising up through the years. Concrete structures and road construction are some of the most consuming aggregate material, especially NCA. Therefore, aggregate such as recycled concrete aggregate (RCA) has become an alternative material for some particular civil construction. The implementation of RCA as road construction material has been raised for a long time ago especially in road base layer. Road base layer as foundation for road pavement must provide an adequate strength to hold the working load on the pavement surface. RCA is more heterogeneous material compared to NCA as the RCA contain many substances, such as aggregate, cement, sand, and some additive substances. Hence, it effects the strength of the RCA as construction material. In this paper, the properties of the RCA are investigated to get the characteristic of the aggregate. Density, water absorption, aggregate crushing value (ACV), compaction, and penetration test (CBR) were conducted in this research. An improvement by using plastic strips as addition also proposed to strengthen the RCA as road base material.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:consuming aggregate material, aggregate crushing value (ACV), compaction
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:90528
Deposited By: Narimah Nawil
Deposited On:30 Apr 2021 07:27
Last Modified:30 Apr 2021 07:27

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