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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 25 Documents
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Search results for , issue "Vol. 1 No. 4 (2024): October" : 25 Documents clear
Comparative Analysis of Conventional Methods with BIM Methods on Construction Cost Estimate at Structure Project Design Calculations (Case Study of Construction of A Satpol PP Building) Ulinnuha, Nadira Zalfa; Handayani, Fajar Sri; 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.v1i4.2698

Abstract

Construction cost estimate in construction projects requires high accuracy in calculating work volumes and applying unit cost analysis. Lack of accuracy in calculating the volume of work can result in inaccurate cost estimates, causing project budget overruns. This research discusses the use of 3D BIM planning concepts using Autodesk Revit software to help calculate volumes accurately, with the aim of reducing project budget overruns. Comparative analysis of cost estimates between the use of Autodesk Revit and conventional methods provides an overview of the efficiency and effectiveness of using BIM software in estimating construction project costs. The object of this research is the Satpol PP Bantul office construction project, with a focus on structural work. This research method includes data collection, 3D BIM modeling, calculating cost estimates based on the volume produced using unit cost analysis, and comparative analysis of cost estimates between the use of BIM software and conventional methods. Based on the research results, it found that the construction cost estimate for structural work from Revit had a value of IDR 862,330,518.59 and a difference of IDR 53,420,195.31. This shows that the use of the 3D BIM concept results in 5.83% cheaper calculations than conventional construction cost estimate methods.
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.
Retention Basin for Flood Mitigation (Case Study: Magetan Regency) Handayani, Marita Putri; Hadiani, 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.v1i4.2718

Abstract

Flooding is a natural event that often occurs in Indonesia. Magetan Regency has several areas drained by various rivers that have the potential to cause flooding problems in the event of high rainfall. Hydrological analysis is needed to determine the various rivers that are potentially unable to accommodate water capacity due to high rainfall, causing flooding problems. Thus, research aims to assess flood mitigation control based on a 25-year return period flood discharge (Q25) using the HSS Snyder method and HEC-HMS software. The flood inundation area due to river runoff is analysed using HEC-RAS 6.4.1 software using a 25-year return period discharge (Q25). This research uses retention basin as one of the efforts in flood mitigation, reducing the amount of flood inundation that occurs by using embankment planning. Retention basin is a water structure that functions to collect rainwater and water runoff to reduce flooding. Retention basin is one of the important steps in the flood inundation that occurred in Magetan Regency using HEC-RAS 6.4.1 software analysis was 3,75 km2. The largest flood inundation occurred in Kartoharjo District with an area 1,31 km2. The design of the Kartoharjo Retention Basin in Magetan Regency can reduce the flood inundation area by 22% to 2,94 km2.
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.
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.
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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