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The engineering assessments and potential aggregate analysis of mesozoic carbonates of Kohat Hills Range, KP, Pakistan
Acta Geodaetica et Geophysica ( IF 1.4 ) Pub Date : 2020-07-06 , DOI: 10.1007/s40328-020-00301-9
Gohar Rehman , Guangcheng Zhang , Maqsood Ur Rahman , Naveed Ur Rahman , Tariq Usman , Muhammad Imraz

China-Pakistan Economic Corridor (CPEC) is the ongoing mega construction project in Pakistan. This project provides multi trading routes like roads, railways and fiber optics to more than 70 countries. Additionally, local infrastructure and industrial zones construction in Pakistan is also the part of this project. This construction needs a considerable amount of construction materials. Therefore, the Mesozoic carbonates were studied in the vicinity of Kohat Hills Range, Khyber Pakhtunkhwa province, Pakistan, for the fundamental engineering assessments. The Mesozoic carbonates are extensively exposed in Kohat Hills Range. The petrographic observations reveal that these carbonates are dominantly composed of limestone with subordinate dolomites. The limestone is well preserved and not extensively affected by diagenesis, which affects the aggregate capability, and there was not found any deleterious material which can cause alkali–silica reaction and alkali–carbonate reaction. Likewise, the fundamental engineering tests were performed, which shows proper matching with petrographic observation. The specific gravity, water absorption, soundness, los angeles abrasion value, unite weight, impact value, flakiness and elongation, bitumen coating, and crushing values reveal that these aggregates are well according to the specified limits of the international standards AASHTO, ASTM, and BS. Based on the results obtained, the Mesozoic carbonates of the Kohat Hills rang are recommended as potential aggregate resources for megaprojects like CPEC and other ongoing construction projects.

中文翻译:

巴基斯坦KP Kohat Hills Range中生代碳酸盐岩的工程评估和潜在的骨料分析

中巴经济走廊(CPEC)是巴基斯坦正在进行的大型建筑项目。该项目提供了通往70多个国家的多种贸易路线,例如公路,铁路和光纤。此外,巴基斯坦的当地基础设施和工业区建设也是该项目的一部分。该构造需要大量的构造材料。因此,在巴基斯坦开伯尔-普赫图赫瓦省Kohat Hills Ranges附近对中生界碳酸盐进行了研究,以进行基础工程评估。中生代碳酸盐广泛分布在Kohat Hills Range。岩石学观察表明,这些碳酸盐主要由石灰岩和次要白云岩组成。石灰岩保存完好,不受成岩作用的广泛影响,这会影响骨料的能力,没有发现任何有害物质会引起碱-硅石反应和碱-碳酸盐反应。同样,进行了基础工程测试,显示出与岩石学观测的正确匹配。比重,吸水率,稳固性,洛杉矶磨损值,单位重量,冲击值,剥落性和伸长率,沥青涂层和压碎值表明,这些骨料完全符合国际标准AASHTO,ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。并且没有发现任何可引起碱-硅反应和碱-碳酸盐反应的有害物质。同样,进行了基础工程测试,显示出与岩石学观测的正确匹配。比重,吸水率,稳固性,洛杉矶磨损值,单位重量,冲击值,剥落性和伸长率,沥青涂层和压碎值表明,这些骨料完全符合国际标准AASHTO,ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。并且没有发现任何可引起碱-硅反应和碱-碳酸盐反应的有害物质。同样,进行了基础工程测试,显示出与岩石学观测的正确匹配。比重,吸水率,稳固性,洛杉矶磨损值,单位重量,冲击值,剥落性和伸长率,沥青涂层和压碎值表明,这些骨料完全符合国际标准AASHTO,ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。这表明它与岩石学观测结果相匹配。比重,吸水率,稳固性,洛杉矶磨损值,单位重量,冲击值,剥落性和伸长率,沥青涂层和压碎值表明,这些骨料完全符合国际标准AASHTO,ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。这表明它与岩石学观测结果相匹配。比重,吸水率,稳固性,洛杉矶磨损值,单位重量,冲击值,剥落性和伸长率,沥青涂层和压碎值表明,这些骨料完全符合国际标准AASHTO,ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。ASTM和BS。根据获得的结果,建议将Kohat Hills rang的中生碳酸盐作为大型项目的潜在总资源,例如CPEC和其他正在进行的建设项目。
更新日期:2020-07-06
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