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Andri Putra Kesmawan
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INDONESIA
Sustainable Civil Building Management and Engineering Journal
ISSN : -     EISSN : 30323711     DOI : https://doi.org/10.47134/scbmej
Core Subject : Engineering,
Sustainable Civil Building Management and Engineering Journal is an academic journal organized which a focus and scope: Sustainable Building Design and Construction, Civil Engineering for Sustainability, Building Management and Maintenance, Environmental and Social Considerations. The scope of SCBMEJ invites original research papers, review articles, and case studies that contribute to the advancement of sustainable practices in civil engineering, building management, and related disciplines. The journal encourages interdisciplinary approaches and welcomes submissions that address the challenges and opportunities at the intersection of environmental, social, and economic sustainability in the built environment.
Articles 17 Documents
Search results for , issue "Vol. 1 No. 3 (2024): July" : 17 Documents clear
Kajian Kuat Lekat pada Beton Bubuk Reaktif dengan Pasir Kuarsa 30% dan Variasi Fly Ash sebagai Substitusi Parsial Semen Sugiarto, Torianzyah Putra Bimandiri; Endah, Endah; Wibowo, Wibowo
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.v1i3.3008

Abstract

Infrastruktur memiliki peran penting dalam pertumbuhan ekonomi dan kemakmuran suatu negara, sehingga diperlukan konstruksi yang aman, kuat, kaku, dan stabil. Penggunaan bahan material dalam konstruksi sangat penting, terutama bahan seperti beton. Tujuan penelitian ini adalah untuk mengkaji dampak variasi kadar fly ash terhadap kekuatan lekat beton bubuk reaktif. Metode eksperimental digunakan dalam penelitian ini. Campuran beton dirancang dengan menggunakan 30% pasir kuarsa dan variasi kadar fly ash 0%, 5%, 10%, 15%, 20%, dan 25% dari berat semen. Benda uji yang digunakan adalah beton kubus dengan panjang sisi 20 cm. Kekuatan lekat beton diuji menggunakan Universal Testing Machine (UTM) dan dial gauge. Hasil penelitian menunjukkan bahwa nilai kekuatan lekat maksimum terjadi pada kadar fly ash 0%. Penambahan fly ash menyebabkan penurunan nilai kekuatan lekat. Nilai kekuatan lekat beton saat terjadi slip 0,25 mm pada kadar fly ash 0%, 5%, 10%, 15%, 20%, dan 25% berturut-turut adalah 14,35 MPa, 13,54 MPa, 12,10 MPa, 10,58 MPa, 8,60 MPa, dan 7,38 MPa. Sedangkan nilai kekuatan lekat beton pada beban maksimum pada kadar fly ash yang sama berturut-turut adalah 23,94 MPa, 23,79 MPa, 23,49 MPa, 23,31 MPa, 23,05 MPa, dan 22,92 MPa.
Compressive Strength Study on Reactive Powder Concrete with 30% Quartz Sand and Variations in Fly Ash Composition as Partial Substitution of Cement Safitri, Endah; Wibowo, Wibowo; Fadhil, Bayu Dian
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.v1i3.3009

Abstract

The concrete industry is considered environmentally unfriendly and unsustainable due to the significant consumption of natural materials. Currently, the industry predominantly uses Portland cement as its main ingredient, leading to an increase in Portland cement production. However, the use of fly ash can help make the concrete industry more sustainable in the future. Fly ash can be used as a partial replacement for Portland cement in concrete production. This study aims to determine the effect of fly ash variations on the compressive strength of reactive powder concrete. The research method used is experimental. The concrete mix design includes 30% quartz sand and fly ash variations of 0%, 5%, 10%, 15%, 20%, and 25%. The compressive strength test specimens are cylindrical with a diameter of 7.5 cm and a height of 15 cm. The resulting test specimens have a compressive strength of more than 41.4 MPa, thus qualifying as high-strength concrete. The compressive strength test results for fly ash variations of 0%, 5%, 10%, 15%, 20%, and 25% are 62.62 MPa, 66.27 MPa, 75.59 MPa, 68.78 MPa, 66.21 MPa, and 63.70 MPa, respectively.
Designing Pocket Park at Dense Building Area with Micro Climate Approach Ariani, Rindy; Fitri, Rahmadhani; Wisdianti, Dara
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.v1i3.3018

Abstract

Pocket parks can create new public spaces without needing large-scale redevelopment, usually smaller than one hectare and created in densely developed urban areas. This research aims to improve the community's standard of living, creating a more comfortable environment for humans and the environment. This research focuses on the design of pocket parks in dense building areas with the concept of microclimate. Data is collected from field observations. The design results are expected to provide an understanding of the role of pocket parks in dense neighborhoods and guide future park planning and management.
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%.
Analisis Value Engineering Pada Proyek Pembangunan Gedung Dengan Metode Analytical Hierarchy Process (AHP) Shonata, Mutiara; Rifai, Muji; Handayani, Fajar Sri
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.v1i3.3064

Abstract

Efisiensi sangat penting dalam proyek konstruksi untuk menghadapi beberapa tantangan yang dapat memengaruhi keberlangsungan dan kesuksesan proyek. Beberapa tantangan tersebut adalah keterbatasan anggaran, peningkatan biaya material, pemborosan sumber daya dan kekurangan tenaga kerja yang menunjukkan bahwa efisiensi bukan hanya tentang penghematan biaya tetapi juga tentang pengelolaan sumber daya secara cerdas untuk hasil yang optimal. Analisis Value Engineering (VE) dapat dilakukan untuk menghadapi tantangan-tantangan tersebut. Tujuan dari penelitian ini adalah untuk mengidentifikasi pekerjaan yang dapat dianalisis, memilih alternatif terbaik, dan menghitung perbandingan biaya sebelum dan setelah dianalisis. Penelitian ini dilakukan dengan Value Enginering Job Plan yaitu tahap informasi, tahap pengembangan ide, tahap analisis, tahap pengembangan, dan tahap rekomendasi. Pekerjaan yang akan dilakukan analisis dipilih berdasarkan diagram pareto dan nilai persentase yang tinggi. Alternatif yang diajukan pada penelitian ini adalah alternatif 1 berupa pelat half precast dengan balok dan kolom precast serta alternatif 2 berupa pelat half precast dengan balok dan kolom konvensional. Pemilihan alternatif dilakukan dengan pembobotan berdasarkan kriteria kualitatif dan kuantitatif. Kriteria kualitatif didapatkan dari hasil kuesioner yang dihitung menggunakan metode AHP. Hasil analisis menunjukkan alternatif 1 sebagai alternatif terpilih. Alternatif 1 dapat menghemat biaya sebesar Rp3.751.121.582,21 dengan persentase sebesar 3,39%. Total biaya proyek sebelum dilakukan analisis VE sebesar Rp110.594.037.401,37. Setelah dilakukan analisis VE, diperoleh total biaya proyek sebesar Rp106.842.915.819,16.
Improving Supervisory Consultant Performance in Construction Projects: Assessments in the LKPP's SIKaP Application for Enhanced Efficiency Heston, Yudha Pracastino; Wulandari, Mariana; Fernando, Robi
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.v1i3.3123

Abstract

This article focuses on enhancing the performance of supervisory consultants in construction projects through assessments conducted in the LKPP's SIKaP application. Supervision plays a crucial role in ensuring the smooth execution of construction activities and addressing potential obstacles. The quality and safety of construction operations have become increasingly important, necessitating effective supervision. The article highlights the importance of conducting assessments to measure the success of supervisory consultants in meeting project objectives and adhering to established standards. It emphasizes the evaluation of various performance criteria, including human resources, equipment, materials, costs, time, and quality. The assessment process enables the identification of strengths and weaknesses, facilitating corrective measures and improving future performance. The article also emphasizes the interconnectedness of construction supervision and project management, with project management playing a pivotal role in achieving project goals. Communication management is highlighted as a crucial aspect for effective project execution. The regulatory framework governing technical supervision activities in construction projects is discussed, along with the roles and responsibilities of construction management and construction supervision service providers. The article emphasizes the importance of on-site inspections, project administration, progress monitoring, and quality management in construction supervision. Lastly, the article discusses the evaluation of providers' performance in goods/services procurement, emphasizing the importance of quality, cost efficiency, and adherence to standards. The implementation of the SIKaP application is seen as a means to enhance transparency, accountability, and project quality in the construction industry, fostering a culture of continuous improvement and industry benchmarking.
Comparative Analysis of The Implementation Of Conventional And Modular Methods On Walls And Floor Plates In Terms Of Cost And Time (Case Study: Construction Of Satpol PP Building) Firdaus Nurfuadi
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.v1i3.3210

Abstract

Building construction requires selecting efficient construction methods to achieve the desired project objectives. This research aims to compare conventional and modular construction methods in the implementation of walls and floor plates, with a focus on cost and time analysis. The case study taken is the construction of the Satpol PP Building. This research method uses a quantitative approach by collecting primary and secondary data. Primary data was obtained through field observations and interviews with parties involved in the project, while secondary data was obtained from project documents, literature and other related references. Data analysis was carried out with comparing the total costs and time required for each construction method.

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