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Risky Ayu Kristanti
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Civil and Sustainable Urban Engineering
Published by Tecno Scientifica
ISSN : -     EISSN : 28089200     DOI : https://doi.org/10.53623/csue.v1i1
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation
The journal is intended to provide a platform for research communities from different disciplines to disseminate, exchange and communicate all aspects of basic and applied research involving three important divisions of Civil Engineering, Construction Management and Urban Engineering. The journal will focus on the dissemination of knowledge on both theoretical aspects and practical applications. It would be the platform for the diffusion of new and innovative methods, tools, techniques, technologies, and applications in different disciplines. Topics of specific interest include, but not limited to, are: Civil Engineering: Structure Engineering, Dynamics of Structures, Materials, Infrastructure Engineering, Geotechnical Engineering, Water Resources and Hydraulic Engineering. Construction Management: Project Management Planning, Cost Management, Time Management, Contract Administration, Safety Management, CM Professional Practice, construction materials and management, energy efficiency, energy in buildings, Sustainable Infrastructures, Sustainable Design & Construction, Building Information Modeling (BIM), Concrete Technology and Waste Research. Urban Engineering: Urban transportation, smart cities, Transportation planning, Sustainable transportation, active transportation, transport policy and applied soft computing for sustainable transportation.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 52 Documents
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Optimizing Food Waste Decomposition through pH, Moisture Content, and Temperature Control: A Comprehensive Study Anayet, Abila Hena; Hamzah, Meor Mohammad Hilmi Bin; Mohamed Najib, Mohamed Zuhaili
Civil and Sustainable Urban Engineering Volume 4 - Issue 1 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i1.411

Abstract

Composting, a crucial process in sustainable waste management, transforms organic matter into nutrient-rich compost, which is an organic byproduct of the decomposition process known as composting. Compost serves as a sustainable means of recycling various organic materials into a nutrient-rich soil conditioner, finding applications in gardens, landscaping, horticulture, urban agriculture, and organic farming. This paper investigated the complex factors affecting the maturity of compost, focusing on parameters such as temperature, pH, and moisture content. The breakdown rates of eight carefully regulated combinations were compared to a sample that had not been altered. The analytic results showed the volume loss over time was a critical component in determining the maturity of compost. Combinations two (Temperature=High, Moisture Content=High, pH=Low), three (Temperature=High, Moisture Content=Low, pH=High), and four (Temperature=High, Moisture Content=Low, pH=Low) showed the most percentage volume loss by day 46, indicating faster maturation compared to the uncontrolled group. In this volume loss comparison, the circular truncated cone formula played a crucial role in revealing the ideal combinations for compost maturation. This comprehensive study not only contributed valuable insights into optimizing composting conditions but also highlighted the diverse applications of compost. By examining the complex interactions between pH, moisture content, and temperature, this study enhanced our knowledge of sustainable waste-to-resource operations and effective composting techniques.
Chemical and Mechanical Characterisation of Clay Soil Stabilised with Steel Slag and Calcium Carbide Waste Ogundare, Damilola Ayodele; Adeleke, Oyetunde Oluwafemi; Akinbuluma, Ayodeji Theophilus
Civil and Sustainable Urban Engineering Volume 4 - Issue 1 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i1.427

Abstract

Problematic subgrade soil such as clay is expansive by nature and is challenging to work with during pavement construction. In an effort to combat this issue and lower the rate of pavement failure on highway construction projects, cementitious industrial waste materials should be used. This study thus examined the influence of steel slag (SS) and calcium carbide waste (CCW) as stabilisers for clay soil. Chemical and mineralogical analyses of clay soil, SS and CCW were assessed while the stabilised soil were subjugated to Atterberg limit, compaction and california bearing ratio (CBR) tests. The existence of calcium oxide, iron oxide and calcium hydroxide in both the chemical and mineralogical constituents of SS and CCW indicate that they are binding materials which notably influences hardness and contributes more to the strength of the clay soil. With varied amounts of the additives (SS and CCR), the clay soil's liquid limit and plasticity index dropped from 54.0% and 13.8% to 43.5% and 9.2%, respectively. This significantly lowers the clay soil’s swell potential, increases its resilience, and decreases its infiltration capacity. The compaction characteristics revealed that SS and CCW enhanced the compactness of the clay soil signifying enhancement of the soil compaction properties. The CBR value of all the stabilised clay soils improve significantly with 40%SS + 60%CCW acquiring the maximum CBR of 17.3% and 29.0% compared with clay soil having CBR of 4.7% and 6.9% in soaked and unsoaked states respectively.
Navigating Environmental Stewardship: A Review of Construction Industry Practices in Developed Countries Liong, Rachel; Binhudayb, Faisal Saud; Elshikh, Mohammed; Hesham, Salem
Civil and Sustainable Urban Engineering Volume 4 - Issue 1 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i1.440

Abstract

Due to rapid urbanization, the construction industry has expanded significantly to meet human needs. Controlling environmental impacts in the construction sector has become a major global issue. The implementation of environmental management practices in the construction sector has contributed to protecting the environment through various management methods. This review aims to provide an overview of environmental management practices in the construction industry in developed countries, including a review of the types of environmental management practices and government policies for adopting these practices. The current status of these practices in developed countries is discussed, as well as the barriers and prospects for environmental management practices. Challenges include behavior adoption, lack of material standardization, monitoring difficulties, and inefficient formation of temporary organizations. Cooperation among construction parties presents coordination issues, exacerbating uneven cost distribution and neglect of environmental impacts. Adoption of ISO 14001 Environmental Management Systems faces hurdles such as lack of management involvement, third-party interference, and lack of guidelines. Initiatives like Green Star struggle due to poor enforcement and organizational issues, hindering sustainable development. To accomplish the goal of sustainable development, additional environmental factors have been taken into account and discussed.
The Impact of Urban Roughness on Outdoor Thermal Comfort in Hot Arid Climate Hassan, Susan Abed; Abdul Lateef , Zainab Abdul Kareem
Civil and Sustainable Urban Engineering Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i2.475

Abstract

The proportion of the world's population living in cities is rapidly increasing, presenting new challenges to the urban environment and quality of life. Among these challenges is the urban environment's impact on residents' outdoor thermal comfort, which can affect their health and well-being. Urban roughness, which includes building and street heights, has a significant impact on the thermal environment of urban areas. Changes in these factors cause variations in temperature distribution, wind speed, and humidity, which affect how people perceive thermal conditions. The research problem is the effect of urban roughness on outdoor thermal comfort in hot arid climate, specifically the height of buildings and the density, for a case study in (Al-Bab Al-Sharqi) in  Baghdad city. Measurement method that employed the computer programs (Rino8 and Grasshopper) to calculate the thermal comfort index (UTCI) and its impact on various climatic variables. The findings revealed that the thermal comfort index and the climatic factors associated with it vary depending on the configuration of buildings.
Evaluating the Impact of Government Policies on Circular Economy Adoption in the Construction Sector Hoareau, Carol Emilly; Tam, Nicholas
Civil and Sustainable Urban Engineering Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i2.481

Abstract

The construction sector is both essential for global economic progress and one of the largest contributors to pollution, resource depletion, and energy consumption. Given the urgent need to adopt more sustainable practices, governments in developed countries have introduced policies aimed at fostering a circular economy in this sector. These policies emphasize the use of green materials to reduce resource consumption, energy use, and greenhouse gas emissions, aligning with global sustainability goals. The waste hierarchy further governs these policies, prioritizing waste reduction, reuse, and recycling. This study analyzes the effectiveness of these government policies in promoting circular economy principles, particularly the adoption of green materials in the construction industry. Our findings reveal that while these policies have led to measurable reductions in energy consumption and emissions, the extent of green material adoption varies significantly across countries. Key factors influencing this variation include economic incentives, regulatory enforcement, and the level of industry acceptance of green technologies. One of the most important results of this study is the identification of significant gaps between policy intent and actual industry practices. In many cases, green materials, despite their favorable characteristics, have not been widely implemented due to economic, technical, and market barriers. These findings underscore the need for stronger government incentives and more consistent policy enforcement to drive broader adoption of sustainable practices. Future studies should focus on overcoming these barriers, exploring the long-term economic impacts of green material adoption, and evaluating how policy frameworks can be optimized to ensure more widespread.
Environmental Management Practices and Sustainable Green Concrete Use in Malaysia's Construction Industry: Challenges, Benefits, and Future Directions Lim, John; Talukdar, Gaurav
Civil and Sustainable Urban Engineering Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i2.503

Abstract

This review examines the environmental management practices (EMPs) employed within Malaysia's construction sector, with a particular focus on sustainable practices and the adoption of green concrete, including fly ash, rice husk ash, and palm oil fuel ash varieties. The study identifies key challenges, such as low awareness, high costs, weak legal enforcement, and the underdevelopment of green materials in the country. To address these issues, the report proposes solutions such as capacity-building programs, government incentives like tax breaks and grants, regular site inspections, and investment in research and development of green materials. The review also assesses the advantages and limitations of different green concrete types used in Malaysia. The aim of this study is to enhance sustainability efforts and reduce the environmental impact of construction activities through greater awareness, stronger regulatory support, and commitment from all stakeholders. Implementing greener concrete and EMPs is expected to not only mitigate environmental concerns but also yield long-term economic benefits for Malaysia.
Urban Environmental Management Practices and Green Roof Technologies in Malaysia: A Path to Sustainable Development Zulkifly, Mohd Hashim; Madelyn Shiu Liu
Civil and Sustainable Urban Engineering Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i2.530

Abstract

Malaysia is the developing country, which develop in contraction, agriculture, and many more kinds of activities. The construction activities for Malaysia is less implemented the green materials technology and the Environmental Management. The Environmental Management Practices is not usually applied by the construction workers. The government also show no enforcement and awareness on the Environmental Management Practices in Malaysia. There are some importance of the Environmental Management Practices is described and also the plan to improve the implementation of Environmental Management Practices under construction of Malaysia. The green roof is one of the technologies of green materials. There three kinds of green roof system as intensive green roof system, semi-intensive green roof system, and extensive green roof system. These three different systems have its own advantages and this advantages. The green materials that can be used for the green roof construction are bamboo, stones, and recycled bricks. The green materials or green roof system help to reduce the environment impact, social impact, and economic impact of Malaysia. The better environment, social life and economic can lead to sustainable development in Malaysia.
Urban and Groundwater Microplastic Contamination: Sources, Distribution, Impacts, and Remediation Technologies Hussain, Noor Nafsiah Mohamad; Lopez-Martinez, Flavio
Civil and Sustainable Urban Engineering Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v4i2.533

Abstract

The presence of microplastics (MPs) in urban environments and groundwater systems has garnered significant global attention due to the critical role groundwater plays as a primary freshwater source. This review paper aims to comprehensively examine the sources, distribution, movement, and environmental impact of MPs, particularly focusing on urban areas and groundwater contamination. Special emphasis is placed on MPs originating from landfill leachate and their distribution along Malaysia's beaches. The paper also discusses the movement patterns of MPs, providing mathematical models for their migration. The environmental and health impacts of MPs, including soil degradation, toxicity in agricultural crops, and heavy metal adsorption, are analyzed. Additionally, current remediation technologies such as reverse osmosis, microbial exploitation, and ozonation are evaluated, with recommendations for combining different methods to enhance MP removal effectiveness. The involvement of the general public, socio-economic sectors, tourism, and waste management companies is highlighted as crucial for addressing this pervasive issue.
Enhancing Urban Runoff Quality with Iron Slag-Modified Pervious Concrete: A Study on Mechanical Properties and Pollutant Removal Efficiency Teymouri, Ehsan; Davis, Taylor
Civil and Sustainable Urban Engineering Volume 5 - Issue 1 - 2025
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v5i1.560

Abstract

This study explores the improvement of the performance of pervious concrete (PC) for enhancing urban runoff quality by incorporating fine-grained iron slag in varying proportions, from 0% to 15% of the coarse aggregate weight. The research addresses the pressing challenges of stormwater management in urban areas, where impervious surfaces contribute significantly to increased runoff and water pollution. To tackle these issues, the study aims to optimize PC composition. Mechanical and physical properties, including compressive strength, hydraulic conductivity, and void content, were assessed. The top-performing mixes were further evaluated for their ability to improve runoff quality using a rainfall simulator and PC slabs measuring 650×450×100 mm. Initial findings showed a positive relationship between higher iron slag content and increased compressive strength, with gains of up to 13%. However, this improvement came with reduced porosity and permeability as iron slag content increased. Notably, the sample with 15% iron slag demonstrated high pollutant removal efficiencies: 42.7% for chemical oxygen demand (COD), 43.68% for total suspended solids (TSS), and 33.95% for turbidity, due to the dual effects of pore filling and contaminant adsorption by the iron slag. No significant changes were observed in NaCl and electrical conductivity (EC) levels. This study highlights the potential of optimizing iron slag content in PC to enhance its role in urban runoff management, presenting a promising approach for improving water quality in urban settings.
Current Challenges and Future Prospects of Green Construction in Malaysia Sam, Wil Son; Primus, Audrey; Sentiveanu , Daniela; Puspitasari, Surya Dewi; Jannat, Md Abu Hanifa; Jayapadma, Jayapadma Mudalige Miyuru Uthpala; Illahi, Yuangga Rizky; Permana, Muhamad Diki; Maharjan, Amit Kumar; Maharjan, Rabin; Tongco, Jovale Vincent
Civil and Sustainable Urban Engineering Volume 5 - Issue 1 - 2025
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v5i1.621

Abstract

Malaysia’s rapid urbanization, driven by a growing population and increasing industrial and infrastructural demands, significantly impacted the environment. The construction sector, a key contributor to economic growth, simultaneously became a major source of environmental degradation due to high resource consumption and waste generation. In response to these challenges, the integration of green materials and sustainable technologies emerged as a viable solution to minimize the negative environmental footprint of construction activities. This paper provides a comprehensive overview of the current state of green materials in Malaysia, including bamboo, organic waste, recycled concrete aggregate, and plastic waste, highlighting their benefits and limitations. Additionally, sustainable construction technologies such as solar energy, hydropower, biogas systems, green roofing, and rainwater harvesting are examined for their potential role in enhancing environmental sustainability. The study further evaluates existing government policies and regulations governing green construction in Malaysia, identifying key challenges such as ineffective waste management, regulatory enforcement gaps, and illegal dumping. Comparisons with international best practices, including those from Japan and Hong Kong, offer insights into potential improvements for Malaysia’s regulatory framework and implementation strategies. The paper also discusses the prospects of green materials and sustainable construction technologies, outlining potential solutions to enhance their adoption. By addressing both the challenges and opportunities within the sector, this review aims to contribute to the advancement of sustainable construction practices in Malaysia, ultimately fostering a eco-friendlier and more resilient built environment.

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