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All Journal The Spirit of Society Journal : International Journal of Society Development and Engagement Astonjadro
Rifai, Muhammad Dian
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Civil Engineering, Building, Construction & Architecture Education Environmental Science Social Sciences Other

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The Value of the Diagonal Shear Stress of the Masonry on Laboratory Testing Marwahyudi, Marwahyudi; Rifai, Muhammad Dian; Ahwan, Ahwan; Arifin, Muhammad Yusuf; Shafyna, Ganaia Laisya; Allai, Danang Yuli
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 7 No 1: September 2023
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v7i1.2451

Abstract

The earthquake resulted in structural, non-structural damage, material and non-material losses and even death. Material losses in the form of damage to houses, household furniture, loss of property. Non-material losses in the form of loss of peace, comfort. The above damage is anticipated by increasing the brick wall elements which contribute well to increasing its capacity to carry the combined external forces that occur during the earthquake. In particular, increasing the strength of a brick wall can be done by selecting the quality of the wall constituent materials and designing the brick wall. This research is addressed to investigate the value of the diagonal shear stress of the masonry brick due to the external forces. The testing was carried out as laboratory testing by using the preference model and method. The results of this study is that normal bricks reach 1500 to 1800 Kgf, and the normal diagonal shear stress reaches 1.6603788 Kg/cm2, while initial cracking at 400 to 800 Kgf, later cracking at 800 to 1,000 Kgf and failing at 1,500 – 1,800 Kgf.
Laboratory Tests of the Area of Head Joints and Bed Joints Increase the Diagonal Shear Stress of Brick Walls Marwahyudi, Marwahyudi; Rifai, Muhammad Dian; Ahwan, Ahwan
ASTONJADRO Vol. 13 No. 2 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i2.14938

Abstract

The strength of a brick wall is influenced by the failure of the mortar bond and the resistance of the bad joint and head joint when carrying the force. The wider the head joint and bad joint areas result in a wider bonded area which increases the diagonal shear strength of the wall. Residential walls that have increased ability to withstand diagonal shear forces will be more stable when subjected to earthquake lateral forces. This research formulates that the wider the connecting area of the body and head joint, the higher the diagonal shear strength. The test was carried out by making a square test object measuring 60 x 60 cm. then pressure is applied in the diagonal direction. At the time of setting up the test object is done carefully and thoroughly. The test object is positioned perpendicular to the diagonal direction. The test object is placed absolutely perpendicular and is given a load until it is completely damaged. Loading method by providing a force that increases regularly until the structure experiences a complete failure. The bonded area in each brick shape is measured and compared with the results of the diagonal shear strength. This value is analyzed to obtain the effect on the diagonal shear strength. The percentage effect of each brick shape is compared and the results are analyzed. The results of the analysis are to obtain justification whether the area of the bad joint and head joint affects the diagonal shear strength. The novelty of this research is to obtain several brick designs that increase the strength of the diagonal shear stress. Tests show that the greater the area of the head joint, the greater the value of the diagonal shear stress.
Co-Authors abdul, ahwan Ahwan Ahwan, Ahwan Allai, Danang Yuli Arifin, Muhammad Yusuf Marwahyudi Marwahyudi Shafyna, Ganaia Laisya