Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Investigation of Physical Characteristics of Non-Structural Lightweight Aggregate Blocks

Version 1 : Received: 13 October 2016 / Approved: 13 October 2016 / Online: 13 October 2016 (12:01:40 CEST)

A peer-reviewed article of this Preprint also exists.

Moayeri, M.S.; Ashrafi, H.R.; Beiranvand, P. Investigating the Physical Characteristics of Non-Structural Lightweight Aggregate Blocks of Built with Region Materials. Buildings 2017, 7, 2. Moayeri, M.S.; Ashrafi, H.R.; Beiranvand, P. Investigating the Physical Characteristics of Non-Structural Lightweight Aggregate Blocks of Built with Region Materials. Buildings 2017, 7, 2.

Abstract

Today, the style of light construction materials used in building is one of the most important factors in reducing building's dead load and better performance of the structures in the earthquake. One of the ways to reduce the structure weight is to use lightweight blocks instead of using traditional materials. The main purpose of this research is to compare density, compressive strength and water absorption volume of non-load-bearing lightweight blocks made of natural and artificial lightweight aggregates. Scoria lightweight aggregates of Sanandaj, Ghorveh mine, pumice in Tabriz, Bostanabad mine, and Leca in Leca enterprise have been used to make the samples. Given the importance of the materials used, grading of coarse-grained materials has been conducted based on the standard of 7657 and grading of fine materials have been conducted based on the standard of 302.The experiments' results show that Scoria blocks due to hard texture, and high mechanical resistance of their lightweight aggregates, have had higher compressive strength, and density and lower water absorption volume compared to pumice and Lika lightweight aggregate blocks. Pumice blocks despite having desirable compressive strength and lower density compared to the two other blocks have higher water absorption volume, and do not meet the standard conditions. This same factor causes it faces with less interest. Among these Lika blocks with density of 1151.94 (kg per cubic meter) below 2000 kilograms per cubic meter of Iran density standard of 7782 (28-day compressive strength of 2.57 MPa), higher than 2.5 MPa of Iran compressive strength standard of 7782 (and water absorption volume of 282.92 kg per cubic meter) below 288 kilograms per cubic meter of Iran water absorption volume standard of 7782 (as a non-load-bearing lightweight block) have been diagnosed desirable.

Keywords

non-load-bearing lightweight blocks; lightweight aggregates; density; compressive strength; water absorption volume

Subject

Engineering, Civil Engineering

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