journal article·2026-01-23Open access

Comparative analysis of test methods for identifying alkali–silica reactivity in concrete aggregates

Muhammad Mazhar Saleem, Muhammad Saleem, Muhammad Azhar Saleem, Hisham Jahangir Qureshi, Fahid Aslam, Mubashir Aziz, Abdulmoez Al Ismaeel

Abstract

Abstract The alkali–silica reaction (ASR) poses a serious threat to the durability and structural integrity of concrete infrastructure worldwide. This study critically evaluates the effectiveness of ASTM C227 and ASTM C1260 standards in determining the ASR potential of five locally sourced aggregate samples, including Kuchlack, Jabal-e-Noor, Hanna, Speyzaind, and Bolan. Physical and chemical characterization, alongside petrographic analysis, were conducted to identify reactive components within the aggregates. Mortar bar expansion tests were performed under both ASTM protocols to assess elongation and determine reactivity. The findings strongly affirm that ASTM C1260 is more effective than ASTM C227 in identifying potentially deleterious aggregates. While all samples remained within acceptable expansion limits under ASTM C227, the Sepyzaind aggregate demonstrated excessive expansion under ASTM C1260, confirming its slow-reactive nature. This was further verified by a marked reduction in compressive strength (16 %) and modulus of rupture (9.3 %) for Sepyzaind aggregate under ASTM C1260 conditions. The remaining four aggregates consistently tested non-reactive across all parameters. These results emphasize the superior diagnostic capability of ASTM C1260 and underscore the necessity for rigorous ASR evaluation, especially in regions that depend on local aggregate sources. This study offers critical insights for engineers, researchers, and policymakers committed to enhancing the long-term performance and safety of concrete structures.
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Research context

OpenAlex topics: Concrete and Cement Materials Research · Concrete Properties and Behavior · Innovative concrete reinforcement materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Civil Engineering , University of Engineering and Technology , Lahore , Pakistan

Department of Civil and Environmental Engineering , College of Engineering, King Faisal University , Al-Ahsa , 31982 , Saudi Arabia

Department of Civil Engineering , College of Engineering in Kharj, Prince Sattam Bin Abdulaziz University , 11942 , Kharj , Saudi Arabia

Department of Civil and Environmental Engineering , King Fahd University of Petroleum and Minerals , Dhahran , Saudi Arabia

Interdisciplinary Research Centre for Construction and Building Materials, King Fahd University of Petroleum and Minerals , Dhahran , Saudi Arabia

Funding

Deanship of Scientific Research, Vice Presidency for Graduate Studies and Scientific Research, King Faisal University, Saudi Arabia

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