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All Journal IPTEK Journal of Proceedings Series Journal of Mathematical and Fundamental Sciences eUREKA : Jurnal Penelitian Mahasiswa Teknik Sipil dan Teknik Kimia Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia International Journal of Supply Chain Management Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) CAHAYA tech GANESHA: Jurnal Pengabdian Masyarakat Asian Journal Science and Engineering Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK)
Nawir Rasidi
Politeknik Negeri Malang
Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Beban-Beban yang Terjadi pada Kuda-Kuda Gedung Parkir Lantai 3 Universitas Tribhuwana Tunggadewi Malang Ridwan, Muhammad ; Rasidi, Nawir ; Ningrum, Diana
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 1 (2018): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

Tribhuwana Tunggadewi University Malang has many departments and SMEs, each Department or UKM has its own organizations, so that it requires facilities / places to accommodate every member of the existing organization. The provision of the place must be done by redesigning one of the buildings in the university, namely the 3rd floor parking building shaking the 3rd floor parking building underutilized as a parking lot due to its high building which is located on the 3rd floor. The redesign was done by calculating the strength of the building before and after the building was redesigned and calculating the RAB (planned budget costs) after being redesigned. Profile data is taken / measured directly in the research location, so that secondary data can be obtained either from measurements or interview processes. In the existing condition, the gording uses profile C 75.40.15.3.2 the gording used does not meet the requirements, so the recording is planned to return C 100.50.5. after calculating the load, ie dead load, live load, wind load, analyzing using stadpro is done so that the moments that occur in each direction will be obtained both in the direction of x direction and z direction. In the column, the addition is done in the middle of the portal with profile C 100.50.5 and in each column, the beams are added with a profile of WF 150.75.5.7 to avoid slackness in the center of the portal and can endanger the user above.
Analisa Penggunaan Abu Vulkanis Gunung Kelud Sebagai Campuran Agregat Halus pada Beton Normal dengan Mutu Fc’=22,5 MPa Utomo, Sugeng; Ningrum , Diana; Rasidi, Nawir
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 2 (2019): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

In structure construction, concrete holds important part. Normal concrete is composed of sands, cement, gravels and water. In general, sands that used to make concrete is mostly came from Lumajang, East Java and because of that the price of it is increased over time. So it is necessary to do research about another alternative for the soft aggregates. Volcanic ash from Kelud Mountain can be one of the solve that can be used to be mixed with Lumajang?s sand. This research determines the effect of the volcanic ash as a partial substitute of the Lumajang?s sand with compressive strength as the comparison. Speciments that used in this research are concrete cylinders with diameter of 150 mm and height of 300 mm. Number of test speciments for each variation are 3 speciments. The results showed that at the 0% substitute variation obtained 29.90 MPa of the average compressive strength, for the 5%, 10% and 15 % obtained 30.02 MPa, 24.63 MPa and 27.54 MPa of the average compressive strength. It shows that the maximum average compressive strength is at the 5% substitute variation at 30.02 MPa. It shows that at 5% variation the compressive strength is increased compared with 0% and then at 10% it is decreased and start to increased again at 15% substitute variation.
Perencanaan dan Pengendalian Jadwal dengan Menggunakan Program Microsoft Project Profesional 2013 (Studi Kasus: Struktur Gedung Pelayanan Terpadu Universitas Tribhuwana Tunggadewi Malang) Nahak , Antonius ; Rasidi , Nawir; Wijaya , Handika Setya
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 2 (2019): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

A project can be said to be successful if the implementation process can be completed on time as planned. Inappropriate planning and control in a project can result in waste of resources and will also lead to failure in achieving the objectives of the project. Therefore, in planning a project schedule using the 2013 Microsoft Project Professional Program, the first thing to do is to enter the activity data that will be carried out such as the project start date, type of activity, duration of time, resources, and so forth. In the planning and controlling stages of the project schedule using the 2013 Professional Project, one method that can be done is to add overtime to an activity if there is a delay. From the planning and control of the schedule carried out on the Integrated Service Building Structure building project at the University of Tribhuwana Tunggadewi Malang using the 2013 Microsoft Project Program for 68 days, and in the control phase there are several work items that experience a Critical trajectory. extra overtime hours. So that work items that experience a critical trajectory can be overcome.
STUDI KELAYAKAN MATERIAL GUNUNG DALAM PENGGUNAANNYA SEBAGAI SALAH SATU MATERIAL BETON (STUDI KASUS MATERIAL PASIR WATUMEZE DAN AGREGAT BATU PECAH BOBA-RADHA KABUPATEN NGADA) Rema, Petrus Damianus; Rasidi, Nawir
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abstract

Agregat Watumeze dan Boba-radha menjadi komoditas penting di kabupaten Ngada dan sekitarnya, yaitu sebagai bahan bangunan. agregat harus memenuhi berbagai syarat teknis, Namun sebagai bahan alam kualitas agregat Watumeze dan Boba-radha jelas banyak dipengaruhi oleh keadaan tempat dan lingkungan pengambilannya. Penelitian dilakukan dilaboratorium dengan kubus beton 15 x 15 cm untuk mengetahui kuat tekan beton dan selinder dengan ukuran 15 x 30 cm untuk kuat tarik beton.dimana untuk kuat tekan beton dibuat 9 buah benda uji dan kuat tarik beton 5 buah benda uji dengan Perbandingan campuran 1semen : 2,80 Kerikil : 1,87 Pasir. Uji pendahuluan terhadap aggregat dari Watumeze dan Boba-radha menunjukan bahwa kadar air agregat kasar adalah 0.60%, kadar air agregat halus 3.58%,berat jenis agregat kasar 2.62 dan berat jenis untuk agregat halus 2.69, penyerapan untuk agregat kasar sebesar 2.78 % dan agregat halus adalah 1.18%. Kuat tekan beton pada umur 3 hari dikonversi ke 28 hari sebesar 331.10 Kg/cm2,dan kuat tarik beton 26,78 Kg/cm2.Kualitas material Watumeze dan Boba- Radha dipergunakan sebagai beton kelas 1 (Bo dan B1), tapi untuk beton kelas 2 pun masih dapat digunakan walaupun dilihat dari syarat abrasi hal itu tidak dibenarkan, karena telah melampaui syarat SNI sebesar 40%. Kata Kunci : kualiats agregat, kuat tekan beton,kuat tarik beton, Watumeze dan Boba-radha ABSTRACT Agaregat Watumeze and Boba-radha become an importsnt commodity in Ngada and surrounding and counties, is a building material. Agaregat should meet various technical requremnts. But as the quality of the natural materil obviously heavily infulenced agaregat Watumeze and Boba-radha clear condition environment where they were takken. Research to do in laboratory with conrete to know pressure strong of cube and chylinder with size for puul strong of cube 15 x 30 cm, where forb concrete compressive strength test specimens made of 9 pieces and 5 pieces of concrete tensile specimens with mixure ratio 1 cement: 2,80 gravel: 1,87 sand. The preliminary test of the mountain Watumeze and Boba-radha agaregat shiwed that themoisture content was 0, 60%, specific gravity 2,47 and density of coarse agaregat smooth 2, 53, obsorption for rough agaregat for 2, 32% and agaregat smooth 21, 27%. Compressive strength of concrete at the age of 3 days converted to 28 days of 331,10 kg/cm2, Watumeze and Boba-radha quality material is used as a conncret clss 1, but for concreate grade 2 can still be used even if seen from abrasion conditions because that it exceeds the SNI as big as 40%.
PENGARUH ABU AMPAS TEBU SEBAGAI ALTERNATIF PENGGANTI PORTLAND CEMENT (PC) FC’=19 MPA TERHADAP KUAT TEKAN DAN KUAT TARIK BETON) Koi, Damianus; Rasidi, Nawir
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abstract

Abu ampas tebu (AAT) yang berasal dari PT. PG Kebon Agung Kota Malang merupakan limbah yang memiliki kandungan silikat sebesar 68,5 %. Penelitian terhadap AAT dilakukan sebagai bahan substitusi parsial semen dengan prosentase secara berturut-turut 0%, 7%, 9%, 13%, 15% terhadap berat semen. Penelitian ini bertujuan untuk mengetahui pengaruh AAT terhadap kuat tekan dan kuat tarik beton lentur dan Penggunaan air untuk campuran beton dalam penelitian ini dibuat sama untuk setiap prosentase AAT. Hasil penelitian menunjukkan semakin tinggi prosentase AAT maka semakin rendah workability beton segar. Penggunaan AAT tidak mempengaruhi peningkatan kuat tarik lentur tetapi memberi peningkatan pada modulus elastistas dan kuat tekan. Modulus elastisitas beton dengan AAT lebih besar dari beton tanpa AAT kecuali pada prosentase 15%. Kuat tekan yang diperoleh melebihi kuat tekan yang direncanakan dan peningkatan terbesar terjadi pada Prosentase 9%. secara keseluruhan AAT dapat dimanfaatkan sebagai bahan substitusi parsial semen dalam campuran beton dengan prosentase optimum pada prosentase 9% berdasarkan kekuatan dan workabilitynya. Kata kunci: ampas tebu, kuat tekan, kuat tarik beton, prosentase optimum. ABSTRACT Ash bagasse (AAT) originating from PT. PG Kebon Agung Malang is a waste that has silicate content of 68.5%. The study of AAT was performed as partial substitution material of cement with percentage successively 0%, 7%, 9%, 13%, 15% to the weight of cement. This study aims to determine the effect of AAT on the compressive strength and tensile strength of concrete bending and Water use for concrete mixture in this study is made equal for every AAT percentage. The results showed the higher the percentage of AAT, the lower the workability of fresh concrete. The use of AAT does not affect the increase in tensile strength of tensile but gives an increase in the elastic modulus and compressive strength. The modulus of elasticity of concrete with AAT is greater than concrete without AAT except in percentage 15%. The compressive strength obtained exceeds the planned compressive strength and the greatest increase occurs in Percentage 9%. overall AAT can be utilized as partial substitution material of cement in concrete mixture with optimum percentage at 9% percentage based on strength and workability.
Maximum Crack Width Prediction in Deck Slab Concrete Structure Nawir Rasidi
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.292

Abstract

Inspection of crack width prediction procedures proposed by various researchers indicates that each formula contains a different set of variables. A literature review also suggests that there is no general agreement among various researchers on the relative significance of different variables affecting the crack width, despite the large number of experimental work carried out during the past few decades. An analytical method is developed to determine the concrete stress distribution near flexural cracks in reinforced concrete one-way slabs and used to investigate the effects of various variables on the spacing and width of cracks. The formula is developed using a large number of curvature values calculated from the concrete and steel strains at various sections between adjacent cracks for a number of composite precast deck slabs. The present method of incorporating the tension stiffening effect is verified by comparing calculated fracture mechanic and those measured by other investigators. The curvature values at sections between adjacent cracks are calculated using an empirical formula. Development of this formula is based on the curvature values calculated using the concrete and steel strains at various sections between successive cracks, for a number of composite precast deck slabs. Using the curvature values evaluated by the proposed formula, short-term deflections were determined for a large number of flexural members and the results were compared with those measured by other investigators. This comparison indicated that the present method of incorporating the tension stiffening effect in fracture mechanic calculations is acceptable. 
Studi Eksperimental Perbandingan Nilai Faktor Reduksi (φ) Profil Baja Tabung Kotak di Indonesia Nawir Rasidi
Journal of Mathematical and Fundamental Sciences Vol. 37 No. 2 (2005)
Publisher : Institute for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/itbj.sci.2005.37.2.5

Abstract

At present, structural designing in Indonesia uses the value of reduction factor (φ) according to LRFD-AISC regulation (Load and Resistance Factor Design – American Institute of Steel Construction). It is understood that different condition in Indonesia requires different approach, therefore this research attempted to determine a specific value of reduction factor (φ).The research observes the compression and flexural behavior of profile steel boxes (2x4) cm with length 75 cm and 65 cm for compression and flexural test, respectively. This test collects resistance data that are stress, area of steel, load and modulus of elasticity. The result of flexural test with reliability index (β) = 3 obtained the value of reduction factor of flexure φb = 0.8823 and φ = 0.5195 for compression test. Difference between this value and that of LRFD-AISC code were caused by nominal mean value-mean value ration, coefficient of variation (Ω), and the distribution used in the calculation. In addition, different reliability index of 2.5, 2, and 1.5 were also calculated for comparison. It is concluded that greater value of reduction factor (φ) could be obtained with smaller reliability index (β).
Model Pengamanan Kendaraan dengan Sistem Kontrol Jarak Jauh dan GPS Arthur Daniel Limantara; Tjahjaning Tingastuti Surjosuseno; Bambang Subiyanto; Muhammad Ikhsan Setiawan; Nawir Rasidi
CAHAYAtech Vol 10, No 1 (2021): MARET 2021
Publisher : STT Cahaya Surya Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47047/ct.v10i1.118

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Informasi Kondisi Perkerasan dengan Sistem Pemetaan GIS untuk Manajemen Pemeliharaan di Indonesia Nawir Rasidi; Arthur Daniel Limantara; Hery Lilik Sudarmanto; Fauzie Nursandah; Sri Wiwoho Mudjanarko
CAHAYAtech Vol 9, No 2 (2020): SEPTEMBER 2020
Publisher : STT Cahaya Surya Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47047/ct.v9i2.109

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Prediksi Konsumsi Energi Kota Cerdas berbasis Internet of Things (IoT) Mohamad Ikhsan Setiawan; Nawir Rasidi; Fauzie Nursandah; Bambang Subiyanto; Arthur Daniel Limantara
CAHAYAtech Vol 9, No 1 (2020): MARET 2020
Publisher : STT Cahaya Surya Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47047/ct.v9i1.105

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Co-Authors Nahak , Antonius Achendri M. Kurniawan Adjib Karjanto Agus Sugiarto Agustin Dita Lestari Agustin Dita Lestari, Agustin Dita Aldiansyah, Dhuiki Nursepta ALEKSANDER TELNONI, REYNOLD JOHAN Anisah Nur Fajarwati Arifianto, Andi Kristafi Armin Naibaho Arthur Daniel Limantara, Arthur Daniel Asukmajaya, Bobby Aulia Rahman BAHRUN, MUHALIM Bala, Yosep Bambang Subiyanto Charits, Moh. Deni Putra Arystianto Deri, Eusabius Ignasius Deus, Joao Mendonca De Dewantari, Riska Amalia Diana Ningrum, Diana Dora, Margaritha P.I EKO WAHYUDI Fadhilah, Anisah Nur Fahmi, Farhan Ayuhan Fajarwati, Annisah Nur Fauzie Nursandah Frank Rijkaard Mouwlaka, Enroe Gungto, Benediktus Gusman S.W, Lalu Habibi, Faiz pratama Harsanti, Winda Hery Lilik Sudarmanto Ida Ayu Putu Sri Widnyani Ikrar Hanggara, Ikrar KAKARUA, YOAKIM Koi, Damianus Kusuma, Indri Yunita LOY, YOHANES PAULUS GELA Luh Dina Ekasari Mau, Jefrianus Mohamad Ikhsan Setiawan MONE, HESRON IGNASIUS Muhammad Ikhsan Setiawan Muhammad Ridwan Najib, Annisa Zakiyah Nenohai, Imanuel F Ningrum, Diah Laila Fitria PAPA, EDISTENIKSON ADI Paty, Kristian H. P. U. Perdana, Riki Fakhru Pereira, Augusto Manuel Provanda, Alvien Saher Gaza Purnomo, Fadjar Qomariah Qomariah Qomariah Rema, Petrus Damianus Rhebi, Maria Yoventa Rohmansyah, Muhammad Ilham Rosario, Domingos Sitti Safiatus Riskijah Sri Wiwoho Mudjanarko, Sri Wiwoho Sugeng Utomo Suhariyanto Suhariyanto Suhudi . Suryadi, Yahya Ilham Tjahjaning Tingastuti Surjosuseno Umami, Viky Rafida Wahiddin, Wahiddin Widyarahayu, Sahira Wijaya, Handika Setya Yurnalisdel, Yurnalisdel ZULKIBLI, ZULKIBLI