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Sustainable Civil Building Management and Engineering Journal
Published by Indonesian Journal Publisher
ISSN : -     EISSN : 30323711     DOI : https://doi.org/10.47134/scbmej
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture 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.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 69 Documents
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Tetrapod Placement Structure for River Estuary Stability on Luk Ulo Jetty Habsari, Gema Putri; Hadiyani, Rr. Rintis; Solichin, Solichin
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.v1i4.2778

Abstract

The meeting between the river and the sea is called the estuary which is a vital environment for the reproduction of marine life, especially fish. The estuary is preferred for industrial and commercial activities, including the construction of a lucrative port due to easy access to sea transport. However, estuaries face challenges such as sediment deposition that leads to shallow channels and river estuary closures. The mouth of the Luk Ulo River in Kebumen Regency, Indonesia, is particularly affected by sediment transport from the coast and changing the flow of the river to shrimp farming areas. To overcome this problem, the construction of a jetty is planned to stabilize the estuary. The study focused on the Luk Ulo River Estuary, utilizing wave, tidal, and bathymetric data to plan jetties effectively, emphasizing on the proper arrangement of tetrapods to prevent estuaries from becoming unstable. The research, which uses a quantitative descriptive approach, aims to determine the needs of tetrapods, porosity values, and the protective arrangement of jetties. The findings show that the Luk Ulo River estuary, which has a wave-dominated morphological characteristic, is susceptible to estuary closure due to sediment transport dynamics. Data analysis provides insights into tides, sediment transport, tetrapod placement and tetrapod needs that are highly beneficial for future projects, facilitating the design of effective jetty construction measures. This research contributes valuable information to coastal planning, especially in the regular arrangement of tetrapods and the need for tetrapods.
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%.
The Effect of Adding Fly Ash as a Filler on Lataston Mixtures (HRS-WC) Purnomo, Farid Eko; Sholichin, Ibnu; Estikhamah, Fithri
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.v1i3.2797

Abstract

Flexible pavement is the most commonly found type of road pavement in Indonesia. One asphalt mixture used in road construction is the Lataston Hot Rolled Sheet. The quality of road pavement can be enhanced by carefully selecting materials such as asphalt, aggregate, and filler. Filler plays a crucial role in asphalt pavement mixtures, and fly ash, containing pozzolanic elements, can be used as it fills voids and binds the mixture effectively. This research investigates the use of fly ash as a filler in the HRS-WC asphalt mixture, aiming to determine the optimum asphalt content, the best filler content, and the impact of fly ash as a filler on the performance of asphalt road materials in the Lataston Hot Rolled Sheet mixture (HRS-WC). The study employs the Marshall testing method in accordance with the 2018 General Bina Marga Specifications (Revision 2) The results of research on Marshall characteristics, obtained an optimum asphalt content value of 7.5% and an optimum filler content value of 1.35%. The addition of fly ash as a filler to the HRS-WC asphalt mixture increases the stability, durability and stiffness of the mixture by filling empty spaces, increasing density, reducing air voids and binding the asphalt mixture. However, excessive use of fly ash can make the mixture too stiff and reduce the flexibility of the pavement.
Analysis of Quantity Take Off Deviation Using BIM Method (Case Study of Construction of a Satpol PP Building) Fadlilah, Muhammad Reza Nur; Handayani, Fajar Sri; Rifai, Muji
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.v1i3.2828

Abstract

Quantity Take Off (QTO) is in important process in the construction industry that calculates and estimates the amount of material needed to complete a construction project. This process includes detail analysis of design plans and technical specification to identify and calculate quantities. QTO results are used to create cost budgets, create project plans, and plan material procurement. This research explains the Building Information Modeling (BIM) application which uses Autodesk Revit software to calculate Quantity Take Off volume. The aim is to find out the difference between volume calculations using conventional methods and volume calculations using the BIM method and Quantity Take Off volumes in architectural work and structural work. A comparative analysis of conventional methods and the use of Autodesk Revit provide an overview of the efficiency and effectiveness of implementing BIM software in the Bantul Satpol PP Building Construction Project with a focus on structural an architectural work investigation studies. This research uses a case study methodology which includes a quantity survey using Building Information Modeling (BIM) techniques using Autodesk Revit and Microsoft Excel software. This research method includes preparatory steps, data collection techniques, 3D modeling, and data analysis based on volume the use of BIM software and conventional methods. Based on the survey results, the difference in volume calculations for architectural work is 9,68% and for structural work is 9,00%, this shows that volume calculations using the BIM method are smaller than using conventional methods.
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%.
Kajian Maturitas Beton untuk Memprediksi Nilai Kuat Tekan dengan Variasi Kadar Superplasticizer Saraswati, Anita; Wibowo, Wibowo; Safitri, Endah
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.v1i4.2843

Abstract

Salah satu metode untuk memprediksi kekuatan beton di tempat secara langsung adalah metode maturitas beton. Dalam melakukan perhitungan kuat tekan dengan metode maturitas ada beberapa model prediksi yang dapat digunakan, salah satunya yaitu persamaan logaritmis. Penelitian dengan metode eksperimental ini bertujuan untuk menentukan indeks maturity dalam memprediksi nilai kuat tekan pada beton dengan variasi kadar superplasticizer 0%; 1%; 1,5%; dan 2%  dari berat binder dan membandingkan nilai kuat tekan antara metode maturitas dengan metode destructive test. Pengujian menggunakan beton berbentuk silinder ukuran 30 cm x 15 cm dengan sensor suhu dimasukkan sedalam ± 15 cm. Pengukuran suhu dilakukan pada saat beton berumur 1, 3, 7, 14, 21, dan 28 hari dan pengujian kuat tekan pada umur 7, 14, dan 28 hari dengan alat Compression Testing Machine. Hasil penelitian menunjukkan bahwa penggunaan persamaan logaritmis dalam kurva hubungan kuat tekan-maturity pada beton dengan variasi kadar superplasticizer 0%; 1%; 1,5%; dan 2% menghasilkan nilai koefisien determinasi (R2) mendekati 1 dan selisih nilai kuat tekan antara pengujian destructive dan metode maturitas nilainya masih di bawah 4%.
Kajian Maturitas Beton untuk Memprediksi Nilai Kuat Tekan dengan Variasi Kadar Retarder Agustiantoro, Adib Noor Ahdi; Wibowo, Wibowo; Safitri, Endah
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.v1i4.2866

Abstract

Ketepatan waktu pada proyek menjadi hal yang sangat krusial karena akan berpengaruh pada keberlangsungan proyek. Salah satu metode untuk memprediksi kekuatan beton di tempat secara langsung adalah metode maturitas beton. Persamaan paling efisien untuk perhitungan kuat tekan beton dengan metode maturitas beton (maturity method) adalah persamaan logaritmis. Metode penelitian dilakukan dengan cara uji eksperimental untuk menentukan indeks maturity lalu diolah dengan persamaan logaritmis untuk memprediksi nilai kuat tekan beton. Sampel beton dengan variasi campuran retarder sebanyak 0%; 0,3%; 0,4%; serta 0,5% dari berat binder. Sampel yang digunakan berbentuk silinder dengan dimensi tinggi 30 cm dan dengan diameter 15 cm. Kemudian kuat tekan beton metode maturity test dibandingkan dengan pengujian compression test machine. Hasil penelitian menunjukkan bahwa metode prediksi dengan persamaan logaritmis dalam kurva hubungan kuat tekan dan maturity pada beton dengan variasi kadar retarder menghasilkan nilai koefisien determinasi (R2) diatas 0,9500. Dapat disimpulkan bahwa persamaan logaritmis dapat digunakan dengan baik untuk memprediksi kuat tekan beton menggunakan metode non destructive. Selisih kuat tekan beton dengan metode destructive test dan non destructive test paling besar adalah 4,29%
Numerical Modeling of Soil Embankment on Soft Soil Using Variation of Expanded Polystyrene (EPS) Geofoam Material Type Sahrul R., Mohammad
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.v1i4.2871

Abstract

Subgrade is the layer of soil that lies beneath the pavement. The subgrade plays an important role in supporting and spreading the load from the pavement to the underlying soil. Terzaghi, et al. (1967) state that soft soils can pose serious challenges in geotechnical engineering, due to their tendency to experience large settlement under structural loads. Handling soft soils often requires specialized methods such as preloading, vacuum consolidation, or the use of geosynthetics to improve stability. One of the geosynthetics used in handling soft soil is Expanded Polystyrene (EPS) Geofoam. This research aims to determine the settlement behavior of soil embankment on soft soil reinforced with EPS geofoam. The settlement behavior was obtained with the help of GeoStudio software. EPS geofoam has been used since 1960, this material weighs about 1% of the soil weight and less than 10% of the weight of other embankment materials. As a lightweight embankment material, EPS geofoam can reduce the load imposed on the embankment structure. Modeling of soil embankment on soft soil using various types of EPS geofoam material in this research uses GeoStudio software. The modeling analysis uses SIGMA/W in GeoStudio. Numerical modeling of variations in the type of EPS geofoam material in the embankment on soft soil gives the results of a decrease that is not too significant. The settlement results from modeling with GeoStudio are 0.33240 m for EPS 22, 0.33264 m for EPS 29, 0.33323 mm for EPS 39. EPS 39 provides 0.25% higher settlement than EPS 22.
Empirical Analysis of Partially Penetrated Prefabricated Vertical Drains (PVD) on Acceleration Consolidation of Soft Soil Alfirdaus, Muhammad Rayyan
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.v1i4.2893

Abstract

The soft soil problem is one of the problems that must be resolved before construction begins. One way to solve this problem is to use prefabricated vertical drains (PVD), which works by cutting the drainage path into shorter lengths, thereby speeding up the consolidation rate. In this research, an empirical analysis of the use of PVD will be calculated to determine the effective depth of PVD. The analysis will be calculated using Hansbo's theory and Terzaghi's one-dimensional consolidation. Depth variations are considered from 100%, 90%, 80%, 70%, 60%, and 50% of the compressible soil depth. The analysis results show that in 180 days a consolidation degree of 90% has been achieved at variations of 90% and 100% of the depth of the compressible soil. Meanwhile, within 180 days, primary consolidation residue values ​​<0.3 m occurred with variations of 70%-100%. It can be said that the depth of PVD installation can be reduced by 70% -90% of the depth of compressible soil.
Effect of Adding Surcharge Load Stress on the Acceleration of Soft Soil Consolidation Komarudin, Muhammad Aziz
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.v1i4.2905

Abstract

One type of soil that needs to be considered is soft soil. Soft soil has characteristics of large compression, long consolidation time, and low bearing capacity. Soft soil can be overcome using soil improvement methods to accelerate consolidation by using Surcharge Load coupled with Prefabricated Vertical Drains (PVD). This research uses GeoStudio 2018 software to determine how the addition of surcharge load to the embankment will affect the consolidation of soft soil. Modelling in GeoStudio is done using the Sigma/W model with the type of material model in the original soil using the Soft Clay model. The results of the analysis will be presented with a graph showing the relationship between the amount of settlement (m) and the settlement time (days). The results of the analysis were varied based on three surcharge load height models, namely 1.25 m, 2.50 m, and 3.50 m. The settlement is taken when the degree of consolidation has reached 90% (U90%). The time required to know the degree of consolidation has reached 90% is taken from the relationship graph of pore water pressure (PWP) with time. When the pore water pressure has dropped and has not changed, it is assumed that the degree of consolidation has reached 100%, therefore the days needed to reach 90% consolidation degree can be known. From the results of the analysis using Soft Clay material, a decrease of 0.71 m, 0.79 m, 0.86 m was obtained with the time to reach U90% for 88 days.

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