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Ronald Simatupang
Universitas Kristen Maranatha
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Desain Dinding Geser pada Gedung Sederhana dengan menggunakan Software ETABS Simatupang, Ronald
Zenit Vol 2, No 1 (2013)
Publisher : Zenit

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Abstract

Indonesia is a country prone to earthquakes, which Indonesia is  also known as the Ring of Fire area. Itensitas with frequent earthquakes in Indonesia will require the design of earthquake-resistant buildings. One component that is able to resist earthquake loads (lateral force) is the shearwall. Shearwall is one of the structural component that design to take lateral force from earthquake. Using shearwall in the building can reduce the coloumn dimension comparing into building without shearwall. Shearwal can be placed around the pit elevator or stairs, which shaped wall network (core), core-shaped structure is very efficient  in withstanding the lateral forces. From the analysis can be conclude that the building is safe from lateral force. Sherwall also safe from shear force form earthquake .Keywords: shearwall, earthquake, story shear
Pengaruh Penggunaan Ps Ball sebagai Pengganti Pasir terhadap Kuat Lentur Beton Simatupang, Ronald; Pratiwi, Prasthi Aldri
Zenit Vol 2, No 3 (2013)
Publisher : Zenit

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Global warming is becoming worse; therefore, innovation and creativity are needed to minimize global warming effects. One of the innovation and creativity can replace material inconcrete mixing with waste material. Waste material used in this research is steel production waste, named Precious Steel Ball (PS Ball). PS Ball is used in this research to replace fine aggregate with PS Ball, whose percentage addition of PS Ball is 0%, 5%, 10%, 15% to 50% as a replacement for of thevolume of fine aggregate. Specimen used to study the beam flexural strength of concrete is the size of 600 x 150 x 150 mm. The results shows that the maximum flexural strength in the mixture without using PS Ball with flexural strength values is obtained at 4.254 MPa. While the flexural strength witha mixture of sand instead of PS Ball can lower flexural strength by an average of 27.341% compared to the concrete mix without the use of PS Ball. The pattern of cracks occurs in the concrete without bending mixture of PS Ball and Ball PS percentage of the mixture is up to 30% and 45%. The patternof bending and shear cracks occurs at the levels of PS Ball 35%, 45% and 50%.Keywords: PS. Ball, flexural strength, concrete beam
Co-Authors DENI SETIAWAN Olga Catherina Pattipawaej Prasthi Aldri Pratiwi, Prasthi Aldri Tan Lie Ing