<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The objective of this paper is to report a part of an ongoing research on the influence of using crushed basalt as aggregates on one of durability-related properties of concrete (i.e. alkali-silica reaction which is the most common form of Alkali-Aggregate Reaction). Alkali resistance has been assessed through several methods specified in the American Standards. Results of petrographic examination, chemical test (ASTM C289) and accelerated mortar bar test (ASTM C1260) have particularly been reported. In addition, the weight change and compressive strength of 28 days cured concrete containing basaltic aggregates were also reported after 90 days of exposure to 10% NaOH solution. Dolomite aggregate were used in the latter test for comparison. The experimental results revealed that basaltic rocks quarried from As-Swaida’a region were suitable for production of aggregates for concrete. According to the test results, the studied basalt aggregates can be classified as innocuous with regard to alkali-silica reaction. Further, the 10% sodium hydroxide attack did not affect the compressive strength of concrete.</p></abstract>

The objective of this paper is to report a part of an ongoing research on the influence of using crushed basalt as aggregates on one of durability-related properties of concrete (i.e. alkali-silica reaction which is the most common form of Alkali-Aggregate Reaction). Alkali resistance has been assessed through several methods specified in the American Standards. Results of petrographic examination, chemical test (ASTM C289) and accelerated mortar bar test (ASTM C1260) have particularly been reported. In addition, the weight change and compressive strength of 28 days cured concrete containing basaltic aggregates were also reported after 90 days of exposure to 10% NaOH solution. Dolomite aggregate were used in the latter test for comparison. The experimental results revealed that basaltic rocks quarried from As-Swaida’a region were suitable for production of aggregates for concrete. According to the test results, the studied basalt aggregates can be classified as innocuous with regard to alkali-silica reaction. Further, the 10% sodium hydroxide attack did not affect the compressive strength of concrete.

Assesment of Alkali Resistance of Basalt Used as Concrete Aggregates

Selected Scientific Papers - Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Assesment of Alkali Resistance of Basalt Used as Concrete Aggregates"}

The objective of this paper is to report a part of an ongoing research on the influence of using crushed basalt as aggregates on one of durability-related...

Assesment of Alkali Resistance of Basalt Used as Concrete Aggregates

Pubblicato online: 01 dic 2015

Pagine: 17 - 27

DOI: https://doi.org/10.1515/sspjce-2015-0014

Parole chiave
alkali resistance, basalt aggregate, durability, alkali-silica reaction

© 2015 Aref M. al-Swaidani et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Assesment of Alkali Resistance of Basalt Used as Concrete Aggregates

Pubblicato online: 01 dic 2015

Pagine: 17 - 27

DOI: https://doi.org/10.1515/sspjce-2015-0014

Parole chiavealkali resistance, basalt aggregate, durability, alkali-silica reaction

© 2015 Aref M. al-Swaidani et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
alkali resistance, basalt aggregate, durability, alkali-silica reaction