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International Journal of Sustainable Building, Infrastructure and Environment
Published by Universitas PGRI Semarang
ISSN : -     EISSN : 27164829     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
International Journal of Sustainable Building, Infrastructure, and Environment (IJOSBIE) is a peer-reviewed open-access international scientific journal who aims to provide an international platform for researchers, professionals, lecturer, and educational practitioners on all topics related to sustainable building, infrastructure, and environment issues, insight by leading scholars, theorists, and practitioners worldwide. IJOSBIE papers will be published twice a year on January and July by Universitas PGRI Semarang, Jawa Tengah, Indonesia.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 101 Documents
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Design approach for Revitalization of The Cultural Heritage Johar Market Area Saraswati, Ratri Septina
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 1, No 1 (2020)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v1i1.19906

Abstract

Johar Market and surrounding area as historical value suffered decaying process during the economic growth of that area. The mismanagement and uncontrolled growth caused high density of stall, break in public spaces such as roads and open spaces (aloon aloon). The Johar Market fired in 2015 Based on this tragedy, the Semarang City Government revitalized Johar Market also the surrounding area as a modern economic center that still adheres to the principle of preserving cultural heritage. Pasar Johar experienced a major fire that not only damaged the market building, but also the surrounding area. This article is part of the results of research conducted for Masterplan for the Revitalization of the Johar Cultural Heritage Area in 2016 that initiated by the Semarang City Planning Agency. Revitalization process include analysis of reorganizing the original imaginary axis between Johar and the Great Mosque Kauman. Another axis between former Regent House and the Dutch Government. Rebuilt the open space aloon aloon as public space, and revitalizing the community kampong around the area. The benefits of this plan should be give positive impact for the public community, the merchants, and Semarang as the valuable historical part of the city.
Concrete Compressive Strength Study with Anadara granosa Shell Waste as a Replacement for Part of Cement Safarizki, Hendramawat Aski
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 1, No 1 (2020)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v1i1.5491

Abstract

Concrete is the main component of construction materials in Indonesia. Concrete composition materials consist of cement, sand, gravel, and water. Cement production in Indonesia in fact often causes polemic in the community. The community often complains of environmental pollution resulting in the cement production process. Shellfish from various mollusks like that are available abundantly along the coastal areas in Indonesia. Blood clam (Anadara granosa) is one of the many shells found in Indonesian waters and is consumed by many people because of its high protein content. Shells are part of the clam that cannot be consumed so they only accumulate into household waste. Seashell waste can be an environmental problem if not handled properly. The conch shell contains lime, silicate and alumina. The aim of this study was to determine the effect of the Anadara granosa shell as a substitute for a portion of cement in the manufacture of normal concrete. Stages of research conducted in the form of making normal concrete without any added material, making concrete with Anadara granosa shell as a partial replacement for cement, and testing the compressive strength of normal concrete samples. The optimum level of Anadara granosa shell waste as a substitute material for a portion of normal mixed concrete cement is 3% of the weight of cement used. The optimum compressive strength of concrete with Blood Shells waste as a substitute for some cement is at 30.62 MPa. The effect of Anadara granosa shell as a partial cement substitute in making normal concrete can reduce the compressive strength along with the addition of Anadara granosa shell as a partial cement substitute. Keywords: blood shells, cement, compressive strength, concrete
ANALYSIS OF ROAD SURFACE DISTRESS USING PAVEMENT CONDITION INDEX (PCI) AND BINA MARGA METHOD (Case Study: Jalan KH. Abdurahman Wahid, STA. 0+000 – STA. 1+950, Wonosobo Subdistrict) Nugroho, Galang -; Saputra, Vian Guntur; Wardani, Agustina; Budirahardjo, Slamet
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 6, No 2 (2025)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v6i2.25079

Abstract

Wonosobo is one of the tourist destinations in Central Java, making highways a vital element in supporting the mobility of both residents and visitors. One of the strategic roads is Jalan KH. Abdurahman Wahid, which connects the center of Wonosobo City with the Dieng Tourism Area. The surface condition of this road segment shows various types of damage that have the potential to disrupt transportation flow. This study aims to analyze the surface layer damage on Jalan KH. Abdurahman Wahid from STA. 0+000 to STA. 1+950 in Wonosobo District using two approaches: the Pavement Condition Index (PCI) method and the Bina Marga Method. The PCI method is used to evaluate the extent of damage based on visual inspection results, while the Bina Marga Method is employed to identify types of damage and determine their handling priority levels through the calculation of Priority Order (Urutan Prioritas/UP). The survey and analysis results indicate eight types of damage based on the Pavement Condition Index (PCI), with an average PCI score of 35.62 (categorized as Very Poor), and the lowest score of 20 (categorized as Serious) found in sample units 3, 10, and 13. According to the Bina Marga Method, six types of damage were identified with a Priority Order (UP) value of 6, indicating that the road segment falls into the priority category for Periodic Maintenance. It can be concluded that this road segment requires immediate treatment either in specific sections or along the entire stretch. The analysis results are expected to serve as a consideration for relevant agencies in managing road infrastructure effectively and sustainably.
REWORK COST ANALYSIS ON COLUMN WORK IMPLEMENTATION METHODS "CASE STUDY: CONSTRUCTION PROJECT OF HOSPITAL ROEMANI MUHAMMADIYAH PARKING BUILDING SEMARANG" Suep, Muhamad; Husodo, Ibnu Toto; Suwandi, Putri Anggi Permata; Kristiawan, Agung
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 3, No 1 (2022)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v3i1.12980

Abstract

The word of construction is no stranger to rework. In the course of the implementation of construction, rework work may occur which can cause delays in the work process and swelling of the project cost budget. This can be influenced by several problems or factors that are often encountered during development work such as human resourse factors, documentation and disign, managerial with this can be from sevaral that have been mentioned that must be considered when planning construction development. In this study using descriptive research that directly takes data in the field by means of interviews, documentation, observation in order to be able to answer the research objectives properly and correctly according to the data obtained from the aforementioned data collection process. So that it can be seen the most frequently encountered rework jobs in the field. Based on the results of the study, it was shown that the dominant factor causing rework was managerial factor. The type of work that often experiences rework work is the finishing work of the second floor column casting. With the details of the causes of rework, the results obtained are design and documentation 22.5%, managerial 40.4%, and human resources 37.2%. The process of rework in the construction of the R S Roemani Semarang building can be concluded that there are several problems or identification of rework, namely porous columns, column slopes and column centring.
Analysis of Impact Contract Change Order (CCO) on Time & Cost (Case Study : Counterweight and Tano Ponggol’s Channel Project in Samosir Regency) LARASATI, ENDAH; SHOLIKIN, YUDHA ALFANDA MUHAMMAD; KRISTIAWAN, AGUNG
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 6, No 1 (2025)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v6i1.22423

Abstract

In many projects, changes often occur due to on-site conditions. These changes are made to ensure that the work can be carried out properly and in accordance with actual field requirements. Typically, such changes—whether additions, reductions, or replacements—lead to modifications in the contract documents. These modifications result in a Contract Change Order (CCO), which can affect several aspects of the project.This study aims to analyze the impact of Contract Change Orders (CCOs) on project duration and cost, using the Counterweight and Tano Ponggol Channel Project in Samosir Regency as a case study. The results of the study indicate an increase in project duration by 175 days. In terms of cost, the CCO led to a reduction in the counterweight work budget from IDR 25,018,491,000 to IDR 18,768,883,000.
Analysis of Level of Service at Jati Raya Street Semarang during New Normal Covid-19 Pandemic Suharyo, Seno; Widyarini, Galih; Pratiwi, Yesina Intan
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 2, No 1 (2021)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v2i1.9134

Abstract

Jati Raya Street is one of the streets in Banyumanik district, Semarang, where many vehicles pass. Before the Covid-19 pandemic, the traffic jam usually occurs at certain hours because of people activities passing through this street. The purpose of this research is to know the degree of saturation and the street level of service from the volume / capacity ratio during New Normal condition on Covid-19 pandemic. The primary data survey is by measuring the street width and counting the two-way traffic volume. The survey was held on Monday, 9 November 2020, at 06.15 - 08.15, 11.05 - 13.05, and 16.05 - 17.05. From the survey results, the maximum traffic flow is 784 pcu/hour, the time is at 07.15 - 08.15, and the traffic direction is from Pasar Jati toward Sukun Raya street. The street capacity is 2371 pcu/hour, with a 0,33 degree of saturation. The street level of service based on this survey is B, which means, steady traffic flow, the driver has enough option to control the vehicle speed. This research was done during New Normal condition on Covid-19 pandemic, where there is a decrease on the number of vehicles that passing through this street, for some reasons, which one of them is because the school activities is using an online methods, so that students can study from home, without the needs of parents taking them to school and picking them up from school.Keywords: capacity, degree of saturation, level of service
Design of Concrete Sheet Pile Revetment As A River Protector And Recreation Facilities Arbianto, Reki; Gunarso, Gunarso; Sungkono, Kukuh Kurniawan Dwi
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 1, No 2 (2020)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v1i2.8218

Abstract

Revetment is a strengthening structure on river slopes from erosion. Erosion of river slopes can widen the wet cross section of the river and increasing scouring can endanger the surrounding buildings. The construction of the Demangan Water Gate in Surakarta City (Phase I) is planned at the mouth of the Pepe river downstream. The construction work will result in changes in river morphology, therefore it is necessary to protect the river slopes so that landslides do not occur. Apart from being a river slope protector, the Revetment design can also be a recreation area and an inspection road. The construction to be used is a concrete sheet pile revetment with reinforcement of the piles behind it as an anchor. Between the concrete sheet pile and the concrete pile, it is connected by a beam-slab structure so that it becomes a portal system. River slope stability analysis using GeoStudio2018 R2 software. River slope conditions that may occur are applied in several modeling, including: River slope conditions without Revetment reinforcement, River slope conditions with Revetment reinforcement, Conditions when changes in river water level elevation occur and river slope conditions when erosion occurs. Based on the results of modeling analysis on the original slope when the river water level increase then recedes has the smallest safe number (SF = 1,822). This is because on the back side of the Revetment, the active soil pressure is in a saturated condition, while the front side of the Revetment loses hydrostatic pressure as a counterweight. The highest safety number is in slope modeling with Revetment strengthening when the river water level increase (SF = 3.114), because the hydrostatic pressure on the back and front of the Revetment is balanced. Revetment construction on river slopes increases the safety rate by 30.64% - 43.70%. With the strengthening of the river slopes, it is hoped that it can provide sufficient security from the main function of protecting the river slopes and obtaining additional functions as a recreation area.
Comparative Analysis Of Vehicle Operating Cost (BOK) Using the Pacific Consultant International (PCI) Method On The Kaliwungu – Krapyak Toll Road and Non-Tol Road Yuliasih, Larasati Welas; Sari, Putri Ameliya; Wardani, Agustina; Yudaningrum, Farida
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 7, No 1 (2026)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v7i1.27716

Abstract

The Kaliwungu–Krapyak Toll Road is one of the road sections that connects Kendal Regency and Semarang City and is part of the Trans Java Toll Road network. Differences in traffic conditions and road characteristics between toll roads and non-toll roads can affect the magnitude of Vehicle Operating Costs (VOC) incurred by road users. This study aims to identify the variables that influence Vehicle Operating Costs (VOC) and to analyze the VOC values on the Kaliwungu–Krapyak Toll Road and the Kaliwungu–Krapyak Non-Toll Road using the Pacific Consultant International (PCI) method. The research data were obtained through the collection of primary and secondary data related to vehicle operating cost variables, including fuel consumption, lubricant usage, vehicle maintenance costs, tire wear, vehicle depreciation, capital interest, insurance costs, and unexpected costs. The results show that the VOC value is influenced by vehicle speed and traffic conditions on each road segment. The lowest VOC value on the Kaliwungu–Krapyak Toll Road occurs at a speed of 70 km/h, while on the Kaliwungu–Krapyak Non-Toll Road it occurs at a speed of 57 km/h. Based on these results, the analysis of VOC variables can be used to describe the efficiency of vehicle operating costs on both road sections.
Mitigating Workplace Accident Risks through Job Safety Analysis (JSA) in the Reconstruction of Post-Earthquake Buildings in Cianjur Regency Christian, Johan
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 6, No 1 (2025)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v6i1.20015

Abstract

The reconstruction of buildings post-earthquake presents significant challenges, particularly in ensuring the safety of construction workers. This study focuses on the application of Job Safety Analysis (JSA) to mitigate workplace accident risks in the reconstruction of buildings in Cianjur Regency, Indonesia, following a major earthquake. By systematically identifying hazards and implementing control measures, JSA aims to improve safety outcomes and support successful project completion. This paper presents a comprehensive analysis of JSA methods, their application in the context of earthquake reconstruction, and their effectiveness in reducing workplace accidents.Keywords: JSA, risk, mitigation
ANALISA PENGARUH JENIS PAHAT BUBUT TERHADAP KEKASARAN HASIL BUBUTAN PADA STAINLESS STEEL 304 Hidayat, Rian
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 1, No 2 (2020)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v1i2.6778

Abstract

Pada penelitian ini bertujuan untuk mengetahui jenis pahat yang mana dapat menghasilkan kekasaran permukaan yang paling baik terhadap bahan stainless steel 304. Untuk mengetahui pengaruh dari kekarasan permukaan benda kerja setelah dilakukanya hasil pembubutan. Penelitian ini menggunakan Mesin yang digunakan adalah mesin bubut EMCO 11 CD, Pahat yang digunakan adalah HSS(high speed stell) carbida, dan pahat polycristaline diamond (PCD) pada proses pembubutan rata, Kecepatan putar spindel 110rpm, 410rpm, 700 rpm, kedalaman pemakanan 0,1 m. Dari ketiga jenis pahat bubut yang di gunakan untuk membubut stainless steel, menunjukkan bahwa kekasaran permukaan(Ra) didapatkan nilai kekasaran terkecil pada mata pahat diamond, dengan nilai rata rata kekasaran 1,026 µm. Dengan parameter pembubutan: putaran mesin 700 rpm, kecepatan potong 47 m/menit, dan kedalaman potong 0,1mm. Sedangkan kekasaran yang terbesar juga di dapat kan pada mata pahat diamond, dengan nilai rata rata kekasaran 3,591 µm. Dengan parameter pembubutan: putaran mesin 110 rpm. Kata Kunci: Mata pahat HSS(high speed steel), carbida, diamond, stainless steel.

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