Journal
CIVIL ENGINEERING JOURNAL-TEHRAN
Volume 8, Issue 3, Pages 421-437Publisher
C EJ PUBLISHING GROUP
DOI: 10.28991/CEJ-2022-08-03-02
Keywords
CPEC; Engineering Properties; Petrographic Analysis; Jurassic Limestone; District Kurram
Categories
Funding
- National Natural Science Foundation of China [42177166]
- Fundamental Research Funds for National University, China University of Geosciences (Wuhan)
- Plan of Anhui Province Transport Technology Progress [JKKY-2021-04]
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The China-Pakistan Economic Corridor (CPEC) is a large-scale construction project in Pakistan that connects over 70 countries through various trade channels. The project involves the development of local infrastructure and industrial zones in Pakistan. Research conducted on the physical characteristics of Jurassic limestone in the Kirman hill region of District Kurram, Pakistan shows that it is suitable for construction materials and meets international standards.
The China-Pakistan Economic Corridor (CPEC) is a massive in-progress construction project in Pakistan that connects more than 70 countries via multiple trade channels such as highways, railways, roads, and fiber optics. This project also involves the development of local infrastructure and industrial zones in Pakistan, which demands the discovery of new resources of aggregate to facilitate the construction. Therefore, physical characterization research was carried out on the Kirman hill region (Jurassic limestone), District Kurram, Pakistan, to investigate their suitability for utilization as construction materials using site investigation and laboratory studies. The results outline that all typical engineering parameters are within acceptable limits set by international standards like BS, ASTM, and AASHTO. Bituminous tests revealed that Jurassic limestone is appropriate as an aggregate for asphalt wearing coarse. Likewise, the petrographic study performed shows proper matching with engineering tests. The petrographic analysis of Jurassic limestone showed a minute amount of deleterious content; as a result, it is resistant to Alkali silica reaction (ASR) and Alkali carbonate reaction (ACR) expansions. Based on engineering and petrographic analysis, the Jurassic limestone, Kirman hill region, District Kurram, Pakistan is recommended as a potential aggregate for (i.e., base course, subbase course, cement concrete, and asphalt) and other mega and minor civil construction projects.
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