Effect of coconut coir uniformity on strength of unfired soil lime bricks

Heru Purnomo, R. G.Raka Basmara Putra, R. Mochammad Syaifulloh, Iwan Sulistyawan, Essy Arijoeni Basoenondo, Madsuri Satim

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The paper discusses strength-time relation of unfired bricks reinforced with and without natural fibers. Untreated and treated coconut fibers with three different lengths (1 cm, 2.5 cm and 4 cm) were prepared for soil lime bricks reinforcements. The effects of 4% uniform 2.5 cm fiber reinforcement was compared to the effects of 4% non-uniform fiber reinforcement, which constitutes a fiber mix between 1/3 part each of 1 cm, 2.5 cm and 4 cm fiber length. Absorption of brick was also evaluated. Experimental investigations reveal that for all type of bricks, up to 90 days compressive strengths decrease a little but bending strengths rapidly decrease with time. The results show that unfired bricks added with uniform treated fiber resulted in better strength performances compared to those added with uniform untreated, non-uniform untreated and nonuniform treated fibers, and also to those without fibers.

Original languageEnglish
Title of host publicationAdvances in Materials and Materials Processing IV
Pages819-823
Number of pages5
DOIs
Publication statusPublished - 10 Mar 2014
Event2013 4th International Conference on Advances in Materials and Manufacturing, ICAMMP 2013 - Kunming, China
Duration: 18 Dec 201319 Dec 2013

Publication series

NameAdvanced Materials Research
Volume887-888
ISSN (Print)1022-6680

Conference

Conference2013 4th International Conference on Advances in Materials and Manufacturing, ICAMMP 2013
Country/TerritoryChina
CityKunming
Period18/12/1319/12/13

Keywords

  • Coconut fibers
  • Compressive strength
  • Fiber treatment
  • Lime
  • Modulus of rupture
  • Soil
  • Unfired bricks

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