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All Journal Jurnal Teknika KERN : Jurnal Ilmiah Teknik Sipil Envirotek : Jurnal Ilmiah Teknik Lingkungan Kohesi: Jurnal Sains dan Teknologi
Wahyu Kartini
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Other

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Analisa Penambahan Dinding Geser pada Gedung dengan Ketidakberaturan Vertikal 1a dan 1b akibat Beban Gempa Muhammad Arie Farkhan; Wahyu Kartini; Cintantya Budi Casita
KERN Vol 8 No 1 (2022): Jurnal KERN: April 2022
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (612.525 KB) | DOI: 10.33005/kern.v8i1.59

Abstract

The performance of a building is greatly affected by the configuration of the building's structure when it is hit by an earthquake. Structures are divided into two types, namely regular structures and irregular building structures. The irregular configuration of the building structure can worsen the safety of the building when it is hit by an earthquake. Therefore, the building structure needs to be strengthened in order to minimize the occurrence of collapse due to the earthquake. Shear walls are an option for strengthening structures in earthquake-prone areas. The structural system used is a dual system where the combination of the moment resisting frame system and the structural wall is used. In the analysis of the dual system, two types of shear wall placement are used. Shear wall as a single wall with a location on the exterior of the building at the corner and center of the building. In this study used dynamic response analysis with the Surabaya earthquake area. The results show that shear walls are able to increase the stiffness of the building and make buildings with vertical irregularities level 1a and 1b avoidable.
ANALISA PERBANDINGAN STRUKTUR BAJA 3 LANTAI MENGGUNAKAN SYSTEM CBF DAN EBF DENGAN METODE PUSH OVER ANALYSIS Sumaidi Sumaidi; Wahyu Kartini; Anna Rumintang
Envirotek : Jurnal Ilmiah Teknik Lingkungan Vol 12 No 2 (2020): Envirotek : Jurnal Ilmiah Teknik Lingkungan
Publisher : Program Studi Teknik Lingkungan, Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (678.497 KB) | DOI: 10.33005/envirotek.v12i2.79

Abstract

Indonesia is a country that is in the ring of fire and on several tectonic plate boundaries. so the risk level of an earthquake is very high. The structural analysis used is a comparison of concentrically braced frames (CBF) and eccentrically braced frames (EBF) systems based on earthquake resistant structure regulations. The analysis result shows that the structure ductility with CBF system is smaller than the EBF system. The structure with the CBF system is more rigid and sturdier than the EBF system. Good ductility is more than 1, so the structure does not collapse easily. In linear conditions, CBF systems have better behavior or performance as indicated by the use of materials, maximum displacement and smaller drift ratios. In nonlinear conditions, this system (EBF) has better behavior and performance as evidenced by better energy absorption and ductility.
Analisis Keseragaman Camber I-Girder pada Proyek Jalan Luar Lingkar Barat (JLLB) Kota Surabaya Guruh Arief Putra; Made Dharma Astawa; Wahyu Kartini
Jurnal Teknika Vol 14, No 2 (2022): Jurnal Teknika
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jt.v14i2.842

Abstract

This research object is a flyover of the Outer West Ring Road (OWRR) Surabaya, with a 50.8m span which will be constructed using precast I-Girder (PCI-Girder). The research concern is applying different prestress design that came from the girder responses into each of inspected objects. The inspected object which are exterior and interior girders will be designed with variation member properties, until we get similar calculated camber. The research will be controlled with range design given by T.Y.Lin and the girder stress governed by SNI 2847:2019. The result of response girder analysis among two object inspected differ about 248,59 kNm. The result of strand analysis for each object are 107 pcs, and 106 pcs. The tendon layout of interior girder getting modified till 75mm. With the specification provided the result of inspected camber calculation are 177,304mm (upward), and 178,459mm (upward) which differ about 1,1545mm. From those we can conclude that camber is similar.
Analisis Keseragaman Camber I-Girder pada Proyek Jalan Luar Lingkar Barat (JLLB) Kota Surabaya Guruh Arief Putra; Made Dharma Astawa; Wahyu Kartini
Jurnal Teknika Vol 14 No 2 (2022): Jurnal Teknika
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jt.v14i2.842

Abstract

This research object is a flyover of the Outer West Ring Road (OWRR) Surabaya, with a 50.8m span which will be constructed using precast I-Girder (PCI-Girder). The research concern is applying different prestress design that came from the girder responses into each of inspected objects. The inspected object which are exterior and interior girders will be designed with variation member properties, until we get similar calculated camber. The research will be controlled with range design given by T.Y.Lin and the girder stress governed by SNI 2847:2019. The result of response girder analysis among two object inspected differ about 248,59 kNm. The result of strand analysis for each object are 107 pcs, and 106 pcs. The tendon layout of interior girder getting modified till 75mm. With the specification provided the result of inspected camber calculation are 177,304mm (upward), and 178,459mm (upward) which differ about 1,1545mm. From those we can conclude that camber is similar.
ANALISIS KESESUAIAN METODE PELAKSANAAN PENGECORAN PELAT LANTAI PADA PROYEK PEMBANGUNAN HOTEL ASTON INN LUMAJANG DENGAN SNI 2847 : 2019 Firmansyah, Moch. Syahrul; Bima Hanggara Nashrullah; Wahyu Kartini
Kohesi: Jurnal Sains dan Teknologi Vol. 5 No. 10 (2024): Kohesi: Jurnal Sains dan Teknologi
Publisher : CV SWA Anugerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.3785/kohesi.v5i10.8845

Abstract

The implementation of slab casting is a crucial stage in high-rise building construction, as it plays a role in distributing gravitational loads to other structural elements, such as beams and columns. This study aims to analyze the conformity of the slab casting method in the Hotel Aston Inn Lumajang construction project with the standards of SNI 2847:2019, specifically Article 26.5.2.1 on concrete casting and compaction, Article 26.5.3.1 on concrete curing, and Article 26.11.1.2 on formwork standards. Data was obtained through literature review and direct observation of the slab casting process for the 7th floor in Zone 3.The casting process was carried out systematically, including preparation, formwork installation, reinforcement, supervision checks, area cleaning, casting, concrete curing, and formwork removal. Each stage complied with SNI 2847:2019 standards, including area cleanliness (point a), the use of casting equipment (points d and e), continuous casting and concrete compaction (points i and j), concrete curing to maintain moisture for 28 days (point a of Article 26.5.3.1), and the use of 12mm plywood formwork that meets the standards in Article 26.11.1.2 point a on formwork standards.The analysis results indicate that the slab casting method in this project complies with the SNI 2847:2019 standards in terms of procedures, material quality, equipment usage, and field implementation.
Co-Authors Anna Rumintang Bima Hanggara Nashrullah Firmansyah, Moch. Syahrul Guruh Arief Putra Made Dharma Astawa Muhammad Arie Farkhan Sumaidi Sumaidi