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Journal : Sustainable Civil Building Management and Engineering Journal

Volume and Cutting Optimization of Reinforcing Steel in Construction of a Satpol PP Building Project Putri, Quini Athaya; Handayani, Fajar Sri; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2697

Abstract

The world of construction is very dependent on technology, especially in the era of the industrial revolution which demands efficiency and competitiveness. The use of BIM (Building Information Modeling) technology supported by Autodesk Revit software enables more effective and efficient project planning and implementation. One application of BIM is in planning reinforcing steel requirements. To overcome material waste which often occurs due to less than optimal cutting of reinforcing steel, material management with a bar bending schedule and the use of BIM is an important solution. In the Satpol PP Building Construction Project in Bantul Regency by PT Quinad Bahana Indonesia, this new method with software was applied to correct cutting of reinforcing steel, reduce waste and increase construction efficiency. This research method includes data collection, 3D BIM modeling, comparing work volume using Autodesk Revit and conventional. After getting the reinforcing steel volume from the Autodesk Revit software, continue by entering the volume data into the BIM to obtain optimal reinforcing steel cutting patterns. The research results show that the use of Autodesk Revit software for column and beam work results in an overall difference of 11%. The volume resulting from Revit quantity take-off is less than manual analysis. Based on waste level calculations, the average value of waste level is 0.97%. This proves that the BIM is effective in reducing material waste on construction projects. Apart from reducing material waste, the BIM is also able to optimize reinforcing steel cuts.
Greenhouse Gas Emissions Analysis (Case Study: Construction of a Satpol PP Building) Wytti, Khalijah Herma; Handayani, Fajar Sri; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 4 (2024): October
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i4.2699

Abstract

The development of the construction world is driven by the demands of meeting various needs, such as in this case study, namely the construction of the Bantul satpol PP Building to meet the needs of the legal apparatus. However, according to the United Nations Environtment Program in the Global Status Report for Buildings and Construction (2021) states that this development has a significant environmental impact, construction projects are responsible for 36% of energy consumption and 37% global CO2 emissions by 2020. Therefore, this research aims of achieving Greenhouse Gas Emission (GHG) efficiency using the Life Cycle Assessment (LCA) method. Data analysis was applied through the Autodesk Revit program to get the material schedule and LCA approach within the scope of Cradle to Gate using ISO 14040 and 14044 guidelines. The structure of foundations, slabs, columns and beams became the object of research because the constituent materials in the form of concrete and steel are considered as CO2 GHG contributors with the largest percentage, reaching 75% of the total emissions released (Luo et al., 2016). The analysis results show that the largest GHG estimate is located in the structural work of the Cradle to Gate scope which reaches 1,657,880.04 KgCO2eq with the most critical process unit which is the material production process unit. Thus, project construction management can look for the best alternatives related to material selection or methods in the material production process that can reduce GHG emissions. This research can be applied to create a sustainable construction.
Cost and Duration Optimization at Building C of Dharmais Cancer Hospital Jakarta with TCTO Method Using Primavera P6 Analysis Aulia, Sahda; Setiono, Setiono; Rifai, Muji
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 4 (2024): October
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i4.2722

Abstract

In construction projects, cost and duration are important aspects but there are several factors that become obstacles. With these constraints, the project needs to organize its project management to keep it running according to the contract. The method that can be used to manage these obstacles is TCTO (Time Cost Trade Off). There are three scenarios used in this study, namely the addition of working hours, the addition of labors, and the combined (addition of working hours and labors), using the help of Primavera P6. This research aims to analyze the estimated total duration and cost obtained after optimization, compare the total duration and cost obtained before and after optimization, and recommend the most economical alternative among the scenarios carried out. The results of the optimization analysis carried out using additional working hours (scenario 1) are 611 days and an increase in costs; while with additional labors (scenario 2) are 632 days and a decrease in costs; and with combined (scenario 3) are 611 days and a decrease in costs. The most economical alternative from this study is to use scenario 2 because it reduces the duration and cost of the initial cost budget plan of the project.
Optimasi Waktu dan Biaya dengan Metode Time Cost Trade Off pada Pekerjaan Pipa Jaringan Distribusi Utama Dagen – Plesungan (Studi Kasus: Proyek Spam Wosusokas Segmen 4) Dyah Ratih Kusumastuti; Setyawan, Ary; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2769

Abstract

Keberhasilan suatu proyek konstruksi ditentukan oleh mutu, biaya dan juga durasi proyek. Perhitungan yang salah pada salah satu aspek tersebut dapat menyebabkan kerugian. Maka, diperlukan pengendalian proyek yang tepat supaya proyek dapat berjalan dengan lancar dan tepat waktu. Salah satu upaya untuk mengatasi masalah tersebut yaitu dengan dilakukannya optimasi waktu dan biaya atau yang disebut crashing. Pada penelitian ini akan dilakukan optimasi waktu dan biaya proyek dengan metode Time Cost Trade Off dengan bantuan aplikasi Primavera P6. Skenario yang digunakan ada 6, yaitu penambahan jam kerja (lembur) 1 jam kerja hingga 4 jam kerja dan penambahan tenaga kerja 1 pekerja hingga 2 pekerja. Hasil optimasi yang dilakukan pada penelitian ini yaitu pada skenario 1 (penambahan 1 jam kerja) adalah 390 hari dengan biaya Rp71.651.956.512,45 dan lebih cepat 31 hari dari durasi normal 421 hari dan penurunan biaya dari biaya normal senilai Rp 71.840.063.197,01, pada skenario 2 (penambahan 2 jam kerja) adalah 363 hari dengan biaya Rp71.499.850.238,61, pada skenario 3 (penambahan 3 jam kerja) adalah 340 hari dengan biaya Rp71.370.287.273,16, pada skenario 4 (penambahan 4 jam kerja) adalah 324 hari dengan biaya Rp71.287.367.745,46, pada skenario 5 (penambahan 1 pekerja) adalah 339 hari dengan biaya Rp71.327.806.536,75, serta pada skenario 6 (penambahan 2 pekerja) adalah 311 hari dengan biaya Rp71.120.938.849,58. Skenario yang paling efisien yaitu dengan menggunakan skenario 6 yaitu penambahan tenaga kerja sebanyak dua pekerja karena mengurai durasi keseluruhan sebesar 110 hari dengan penurunan biaya sebesar Rp719.124.347,42.
Numerical Study of Flexural Performance of Reactive Powder Concrete Slabs with 15% Silica Fume and 30% Quartz Sand on Variations of Thickness and Long - Short Span Ratio Wibowo, Wibowo; Setiono, Setiono; Ramadhan, Muhammad Naufal
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2793

Abstract

As the development of infrastructure progresses rapidly, concrete technology is also required to continuously improve. Numerous studies on concrete technology have been conducted to meet these demands, one of which is the innovation of Reactive Powder Concrete (RPC) with 15% silica fume and 30% quartz sand. One application of reactive powder concrete in structural element design is the concrete slab. A concrete slab is a thin structure with a horizontal plane and loads perpendicular to the plane of the structure. Concrete slabs are designed to withstand bending loads due to bending moments caused by heavy loads, which are a combination of dead loads and live loads. Therefore, it is necessary to conduct flexural performance tests on concrete slabs to determine their ability to withstand loads that cause bending moments on the slabs. The research aims to compare the experimental test results with numerical analysis of the flexural performance of reactive powder concrete slabs with varying thicknesses and span length - width ratios. The test specimens for varying thicknesses measure 70 cm x 30 cm with thickness variations of 4 cm, 5 cm, 6 cm, and 7 cm. Meanwhile, the test specimens for varying span length-to-width ratios have a thickness of 5 cm and a length of 70 cm with span length-to-width ratio variations of 2,5; 2,7; 2,9; and 3,1. The research method used is non-linear finite element analysis with ATENA Engineering Červenka Consulting software. This research includes verification of experimental test results with numerical analysis results in terms of both maximum load and maximum deflection. The verification results of numerical analysis using ATENA Engineering Červenka Consulting software with experimental testing on both thickness variations and span length - width ratio variations show a corresponding trend curve based on the load-deflection graph, with the difference in maximum load and maximum deflection values between experimental test results and numerical analysis results being below 10%.
Value Engineering Analysis on Building Structure (Case Study: Java Steam Power Plant 9&10 2x1000 MW Suralaya Project) Putra, Reza Andhika; Setiono, Setiono; Fajar Sri Handayani
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2835

Abstract

Cost is an important element in the success of a project because problems with project implementation costs can hinder the achievement of the project. Problems in project implementation related to costs can be overcome by carrying out value engineering analysis. The concept of value engineering is a systematic effort to analyze existing problems and aims to achieve the desired functions or types of work with efficient costs and optimal results. The value engineering carried out in the case study analyzed by the author is a change in the implementation of concrete work from conventional methods to precast methods to obtain cost efficiency. The method used is a data collection method and analysis method according to the value engineering analysis stages. The results of the value engineering analysis obtained by the author through creative ideas in the form of changing conventional concrete work to precast concrete are savings in work costs on building structural components in the form of slabs. The cost savings obtained were Rp695,905,059.00 or 2.21%.
Analisis Optimasi Waktu dan Biaya pada Proyek JDU SPAM Regional Wosusokas Segmen 3 dengan Metode Time Cost Trade Off menggunakan Software Primavera 6.0 Gunawan, Syahrul; Handayani, Fajar Sri; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 2 (2024): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i2.2977

Abstract

Dalam proyek konstruksi terdapat triple constrain yang wajib terpenuhi, yaitu waktu, biaya, dan mutu. Waktu yang optimal, biaya yang minim, dan mutu yang sesuai spesifikasi menjadi tolak ukur keberhasilan proyek. Akan tetapi, tidak menutup kemungkinan terdapat hambatan terhadap waktu dan biaya yang dapat membuat pelaksanaan proyek berjalan tidak sesuai dengan yang direncanakan. Untuk mengatasi hambatan tersebut metode Time Cost Trade Off dengan alternatif penambahan jam kerja dan tenaga kerja dapat digunakan untuk optimasi waktu dan biaya dengan proses crashing pada pekerjaan yang berada pada lintasan kritis. Analisis metode Time Cost Trade Off dibantu menggunakan software Primavera Project Planner 6.0 untuk memperoleh skenario yang paling ekonomis dari kedua alternatif tersebut. Hasil optimasi waktu dan biaya pada penelitian ini dengan menggunakan alternatif penambahan jam kerja didapat total waktu penyelesaian 485 hari, lebih cepat 49 hari dari waktu normal dengan total biaya proyek sebesar Rp.271.909.061.593 yang mengalami penurunan biaya sebesar Rp.837.176.360. Sedangkan, menggunakan alternatif penambahan tenaga kerja didapat total waktu penyelesaian 527 hari, lebih cepat 7 hari dari waktu normal dengan total biaya proyek sebesar Rp.272.598.399.413 yang mengalami penurunan biaya sebesar Rp.147.838.540. Oleh karena itu, optimasi waktu dan biaya dengan penambahan jam kerja lebih ekonomis.
Kajian Maturitas Beton untuk Memprediksi Nilai Kuat Tekan Beton dengan Penggunaan Variasi Semen yang Beredar di Pasaran Jikriyansyah, Muhamad; Wibowo, Wibowo; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 2 (2024): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i2.2978

Abstract

Penelitian ini memiliki tujuan yaitu mengkaji nilai maturity pada beton untuk mendapatkan nilai kuat tekan beton dengan variasi merek semen jenis PCC yang berada di pasaran. Metode pada penelitian ini merupakan metode uji eksperimental. Untuk mendapatkan nilai maturity dilakukan pengukuran suhu pada 1, 3, 7, 14, 21, dan 28 hari dan mengukur kuat tekan secara destructive test pada 7, 14, dan 28 hari yang akan dibandingkan dengan hasil kuat tekan beton dengan non-destructive test. Dari hasil penelitian yang telah dilakukan pada benda uji menghasilkan kuat tekan beton dari nilai maturity yang didapat dari 28 hari pengukuran suhu pada variasi merek semen berturut-turut sebesar 4964,43 oC-jam; 4978,29 oC-jam; dan 4995,42 oC-jam. Selisih kuat tekan beton dengan variasi merek semen yang berada di pasaran saat umur 14 hari, beton dengan variasi merek semen yang berada di pasaran yaitu Semen A, Semen B, dan Semen C masing-masing menghasilkan selisih kuat tekan sebesar 7,38%; 4,40%; dan 3,81%, sedangkan saat beton berumur 28 hari selisihnya sebesar -2,63%; 1,63%; dan -1,46%. Selisih paling besar terdapat pada beton dengan merek semen A saat umur 14 hari dengan selisih 7,48%. 
Kajian Maturitas Beton untuk Memprediksi Nilai Kuat Tekan dengan Variasi Kadar Accelerator Buana, Muhammad Arjunov Ramadhan Genta; Wibowo, Wibowo; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.3019

Abstract

Metode maturitas beton (maturity method) adalah salah satu metode yang dapat digunakan untuk memperkirakan kekuatan beton. Terdapat beberapa model prediksi yang dapat digunakan untuk melakukan perhitungan kuat tekan dengan metode maturitas, salah satunya yaitu persamaan logaritmis. Penelitian ini menggunakan metode uji eksperimental yang bertujuan untuk menentukan indeks maturity dalam memprediksi nilai kuat tekan pada beton dengan variasi kadar accelerator sebesar 0%; 1,5%; 2%; dan 2,5% dari berat binder. Selanjutnya membandingkan nilai kuat tekan antara metode maturitas dengan metode destructive test. Benda uji yang digunakan berbentuk silinder berdiameter 15 cm dan tinggi 30 cm dengan sensor suhu yang dimasukkan sedalam ± 15 cm. Pengukuran suhu dilakukan pada umur 1, 3, 7, 14, 21, dan 28 hari dan pengujian kuat tekan dengan alat Compression Testing Machine (CTM) dilakukan pada umur 7, 14, dan 28 hari. Hasil penelitian menunjukkan bahwa metode prediksi persamaan logaritmis dalam kurva hubungan kuat tekan-maturity pada beton dengan variasi kadar accelerator 0%; 1,5%; 2%; dan 2,5% menghasilkan nilai koefisien determinasi (R2) secara berturut-turut sebesar 0,9679; 0,9255; 0,9604; dan 0,9473. Selisih kuat tekan beton antara metode destructive test dan metode maturity pada kadar accelerator 1,5% saat umur 14 hari menghasilkan selisih kuat tekan paling besar, yaitu 3,35%.
Implementation of Value Engineering in Bandung Islamic University Hospital Building Construction Salman Faruq, Reza; Sri Handayani, Fajar; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 4 (2024): October
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i4.3125

Abstract

Infrastructure development in Indonesia has increased sharply every year. Construction projects are starting to appear at a fairly high frequency in each region. However, in the process of project development, the quality, time, and cost aspects are not always optimal. Therefore, Value Engineering analysis is needed to get optimal results. This Value Engineering analysis is able to identify components that can be saved and determine alternatives to replace these components without reducing the quality or quality of work. The case study in this research is the Bandung Islamic University Hospital Construction Project. The Value Engineering analysis carried out on this project is a change in the work of the upper structure, such as slab, column and beam from conventional to precast concrete. In addition to Value Engineering analysis, this research also analyzed greenhouse gas emissions using Life Cycle Assessment analysis. The results showed savings of Rp 3,180,685,659.81 or 8.19% of the initial project cost. Meanwhile, the existing greenhouse gas emissions amounted to 9556.01 kgCO2e and for alternative work amounted to 72896.49 kgCO2e.
Co-Authors A.A. Ketut Agung Cahyawan W Aa Juhanda Achmad Basuki Adam, Muhammad Rizan Adi, Arief Prasetya Afrianto, Evo Agus Setiya Budi, Agus Setiya Ahadiah, Rima Akbar, Masdihar Akhmad Rouf, Akhmad Aladl, Albanna Sayf Amrullah, Hanif Dzulfiqar Aprilia, Ina Ardiputro, Riyan Ari Santosa Pamungkas, Ari Santosa Ari, Muhammad As Arlistia, Rita Arvianto, Ricky Arvianto, Ricky Ary Setyawan Asnawati Is, Asnawati Is aswana, Aswana Aulia, Sahda Aulia, Vira Safitri Bahtiar Saputra, Tommy Bahtiar, Muhammad Agus Banto, Abdul Thayib Bela Putra, Bela Putra Billyardi Ramdhan Buana, Muhammad Arjunov Ramadhan Genta Budi Yulianto Cahyani Putri Damayanti, Meti Darsin, Darsin Deviani Salaki, Larissa Dina Mardiana Dwiyanto Joko Suprapto Dyah Ratih Kusumastuti Edy Purwanto Effi Yudiawati Eko Prasetyo, Heri Eko Yulianto, Frandy Elya Afifah, Elya Endang Susilowati Eratika Ginting, Jonas Ervianto, Handry Anom Fadhli, M. Zuhdi Faisal, Riksa Fajar Fajar Fajar Sri Handayani Fathoni, RM Guntur Fauzian, Alwan Febrialdi, Akhyarnis Fidiawan, Nuansah Fikriman, Fikriman Fitriani, Herni Gina Nuranti Gunawan, Purnawan Gunawan, Syahrul Hadiani, Rr. Rintis Hafizha, Mega Hananto Hadi, Hananto Handayani, Fajar Handayani, Fajar Sri Handayani, Fajar Sri Hanif, Aldis M. Hidayah, Afifah Nurul Imam Susetyo, Imam Imanullah, Moch Nadjib Imanullah, Moch Nadjib Indah Anwar, Devi Indra Yustian Indrianti, Winda Intan Noviantari Manyoe Is, Asnawati Islan, Cahyono Isyaturriyadhah, Isyaturriyadhah Jayawarsa, A.A. Ketut Jikriyansyah, Muhamad Jujun Ratnasari karmila, yeni Kurniawan, Riswandha Dwi Kusuma Anggita, Atanasia Gretta Lili Suryani Lismaini, Lismaini Liwoso, Luther Gustavo Maharani, Devita Putri Mahmudah, Amirotul M. H Mahmudah, Amirotul M.H Mahmudah, Amirotul MH Man, Loh Maulida, Hana MHM, Amirotul Mudita Oktorina Nugrahani, Mudita Oktorina Mudita Oktorina, Mudita Muhammad As, Ari A Muhammad Kasim Muhtar Muhtar Muji Rifai, Muji Nandiwardhana, Dionisius Pramudita Niamul, Ajeng Niken Puspitasari Niken Silmi Surjandari Nur Agustiani Nurajizah, Ulfa Nurlathifah, Zulfa Nurul, Ana Pamungkas, Agung Pamungkas, Hendarwati Pamungkas, Salaka Bayu Pangestu, Lanaria Pedi Utama, bopalyon Pirnanda, Dafid Pitriani Pitriani, Pitriani Poetra, M. Andika P Prasanda, Kevinnoka Adi Pratama, Bagas Hendi Pratiwi, Hana Rizky Priono, Anjas Budi Purnamaningrum, Yuliati Indah Putra, Reza Andhika Putri, Quini Athaya Putri, Rizki Dewayani Ramadhan, Muhammad Naufal Ratnasari , Jujun Reni Mulyani Ridwan, Alex Rigawati, Meyssa Dwi Rini Solihat Riva’I Riatayasyah, Kiss Yanuar Riyandi, Gery Salma, Virgynia Salman Faruq, Reza Salsabila, Athaya Salsabila, Zakia Satriya, Bayu Budi Setiawan, Ary Setyawan, Arnadi Setyowati Setyowati Shakti, Danang Wibawa Sistiana Windyariani Siti Qomariah, Siti Soeryodarundio, Koosdaryani Sopandi, Acep Sri Handayani, Fajar sriyono, hasnelly Sugiarto S Sugiyarto Sugiyarto Suhendar Sulaeman, Wiska Sulaeman, Wiska Hera Sagita Sumarsono, Agus Suryoto Suryoto Suseso, Mutalif Imam Susilawati, Widuri Sutanto, Reska Candra Sutrisni, Sri Tesla, Mala Travolindra, Yoga Triwulandari, Syane Ulyanisa, Nur Vektoriarda, Uraiaga Sulthon Wahju Krisna Hidajat Wahyuningrum, Wijayanti Wahyuningrum, Wijayanti Waskito, Sigit Nur Wibowo Wibowo Wibowo, Kristanto Wicaksanti, Warakesthi Rahayu Widuri, Anisa Priyandini Wilmientje Marlene Mesang Nalley Winarto, Wahyu Wiraguna, Arief Wytti, Khalijah Herma Yanti, Okvi Zakaria, M. Maulana Zulkifli Dahlan