Perkuatan pada Balok Beton Berlubang di Daerah Tekan yang Mengalami Lenturan dengan Mortar Geoplimer

  • Adjib Karjanto Program Studi Teknik Sipil, Universitas Negeri Malang https://orcid.org/0000-0002-5646-0722
  • Boedya Djatmika Universitas Negeri Malang
  • Prijono Bagus Susanto Universitas Negeri Malang
Keywords: Reinforced Concrete Beams, Concrete Strengthening, Beams Hole, Grouting Geopolymer, Flexural Strength

Abstract

In its development, changes in building functions often occur so as to require flexible bending of building functions, ways are needed to provide reinforcement or repairs to hollow beams. One method in strengthening or repairing hollow beams is the grouting method. Grouting using geopolymer material has the advantage of great strength and faster setting time. These geopolymer properties are very suitable for grouting methods that require fast setting times and small shrinkage. In this study the test uses a beam measuring 100 X 20 X 15 cm with 10 M NaOH molarity Comparison of the activator, as well as the location and number of holes, 2 points in the bending area to determine the flexural strength and condition of the concrete after reinforcement (grouting). Where in this study used 9 pieces of reinforced concrete beams (3 normal beams, 3 porous beams, 3 reinforced beams). Normal beams have an average bending capacity of 149.777 kg / cm2, while hollow beams have an average bending capacity of 118.36 kg / cm2, and repaired / grouting beams have an average bending capacity of 139.022 kg / cm2. There is a difference in the average flexural capacity in normal beams of 149.777 kg / cm2 in hollow beams of 118.36 kg / cm2, which has a difference of 31.41 kg / cm2 (20.97%). There is a difference in the average flexural capacity in the grouting beam of 139.022 kg / cm2 in the hollow beam of 118.36 kg / cm2, which has a difference of 20.66 kg / cm2 (14.86%). In a statistical analysis with a significance of 0.05 there was no significant difference in flexural strength in reinforced concrete grouting blocks 131.11 kg / cm2 against normal beams, 149.77 kg / cm2 had a difference of 10.755 kg / cm2 in a percentage of 7.19%.

Author Biography

Adjib Karjanto , Program Studi Teknik Sipil, Universitas Negeri Malang

 

 

References

Supriyadi. Arief Eko, Nadia. 2013. “Studi Analisis Lentur Pada Balok Tumpuan Yang Mengalami Pengeroposan Beton”. Jurnal Konstruksia Volume 4 Nomer 2 Juni 2013

Alfredo. Daniel, Kevinardy Hutomo, Prasetio Sudjarwo, Januar Buntoro. 2014. “Analisa Penyebab Dan Metode Perbaikan Yang Tepat Pada Beton Yang Disebabkan Oleh Faktor Non-Struktural”. Jurnal Teknik Sipil Universitas Kristen Petra Surabaya

Trimurtiningrum dan Retno. 2009. “Self Compacted Concrete Dan Grouting Dari Beton Geopolymer”. http://digilib.its.ac.id [

Silalahi.Mangatar.2008. “Analisa Dan Kajian Experimantal Balok Beton berlubang”. Master Thesis.Universitas Sumatera Utara

Pangestuti.Endah Kanti, Mahmud Kori effendi. 2010. “ Perilaku Lentur Balok – L Beton Berluang Ditinjau Secara Eksperimen Dan Analisis Numerik Memakai Software Gid-Atena “.Universitas Negeri Semarang

Wiku A.Krasna, dkk. November 2010. “ Perilaku Geser Pada keadaan Layan Dan Batas Balok Beton Bertulang Berlubang Mrmanjang “. Jurnal Imiah Semesta Teknika Vol.13, No.2, 145-154

Published
2019-11-14