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All Journal Jurnal Teknik Sipil JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION
Irwan, Irwan
Universitas Medan Area
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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Pengaruh Penambahan Pecahan Kulit Kemiri Sebagai Pengganti Sebagian Agregat Kasar Pada Beton Terhadap Massa Dan Kuat Tekan Beton Amri, Dian; Irwan, Irwan
JCEBT (JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION) Vol 3, No 2 (2019): JCEBT September
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.373 KB) | DOI: 10.31289/jcebt.v3i2.2778

Abstract

Concrete is a material that is widely used and become a major element in the building. The advantages of concrete, among others, have a strong high pressure than the tensile strength, easily formed, does not require special care, the material is easy to obtain from the surrounding, and more durable than other building materials. The more concrete is used as the constituent material of the concrete, hence encouraging research to develop the material as well as the way of making concrete. Hazelnut shell is one type of particle that is very light weight in a dry and quite hard. Where the hazelnut shell is it self known as a lot of waste accumulated and tend to become garbage because its utilization is still small or relatively small, so it needs to be handled seriously. In addition, today hazelnut shell is only used for a small need only. The purpose of this research is to find out the compressive strength of concrete and to utilize the waste of hazelnut shell as 10%, 20% and 30% concrete additives with the planned K225 concrete quality, with 28 days concrete plan, The addition of hazelnut shell to the concrete mixture resulted decrease in compressive strength of normal concrete in each variation of the percentage. This is because the mixture of hazelnut shell is not strong enough to be a substitute for coarse aggregates, resulting in a decrease in the compressive strength of the concrete
ANALISIS KEKUATAN KOLOM GEDUNG THE REIZ CONDO MEDAN PASCA KEBAKARAN Hermansyah, Hermansyah; Irwan, Irwan
Jurnal Teknik Sipil Vol 12, No 2 (2021): Oktober
Publisher : Universitas Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36448/jts.v12i2.2249

Abstract

Struktur dapat mengalami kegagalan jika kekuatannya dalam menahan beban tidak lebih besar daripada beban yang dipikulnya, sehingga dilakukan perkuatan dengan menggunakan jacketing baja (steel jacketing). Maka, dilakukan analisis kolom struktur bangunan gedung pasca kebakaran pada kolom 2D’ dan 3D’ untuk menentukan apakah metode steel jacketing dapat digunakan untuk meningkatkan mutu kolom struktur gedung. Berdasarkan data yang didapat dari hasil Ultrasonic Pulse Velocity test, kebakaran yang terjadi pada The Reiz Condo Medan mengakibatkan kolom struktur pada as 3/D’ sebesar 27,52%, as 2/D’ sebesar 37,4% mengalami penurunan mutu yang signifikan. Setelah dilakukan analisis komputasi dengan menggunakan software ETABS, didapatkan nilai kapasitas maksimum adalah dari kombinasi 3, beban aksial pada analisis kolom as 2/D' yaitu 16101,65 N dan 3/D’ yaitu 3069,24 N. Setelah dilakukan analisis komputasi dengan menggunakan software ETABS 9.7.1, didapatkan nilai kapasitas maksimum torsi pada analisis kolom as 2/D' yaitu 1627,310 Nm dan 3/D’ yaitu 1459,331 Nm. Dari perbandingan yang didapat dari hasil analisis kolom, didapatkan bahwa metode perkuatan yang digunakan (steel jacketing) dapat meningkatkan kapasitas maksimum pada kolom yang mengalami penurunan mutu.
Co-Authors Amri, Dian Hermansyah, Hermansyah