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All Journal International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) PRESUNIVE CIVIL ENGINEERING JOURNAL
Mughni, Amalia Fathimah Azh Zhahra
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Arts Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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COST PERFORMANCE ANALYSIS USING EARNED VALUE METHOD ON PRESERVATION OF EXIT TOLL ROAD SECTION 5 PANDAAN MALANG Mughni, Amalia Fathimah Azh Zhahra; Tjendani, Hanie Teki; Witjaksana, Budi
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 2 No. 4 (2023): NOVEMBER
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v2i4.969

Abstract

The development of road or toll road infrastructure in a country can be used as a benchmark to determine the level of economic progress of a country, both macro and micro. The location of toll exits has a significant effect in absorbing labor and creating new business activities. Projects are dynamic, so contractors must be responsive to changes in situations and conditions on the project, if they want to succeed in reaping optimum profits. Aspects of planning a highly competitive construction at this time are very demanding on accuracy, effectiveness, efficiency, and economy in analyzing a project. In the world of construction projects, there are many things that can be done, one of which is cost control. In controlling costs, efforts can be made so that the realization of costs that occur is in accordance with the needs of implementation and is not excessive, such as cost suppression efforts, namely making savings without reducing quantity or quality. The Earned Value Method is used to determine project performance in terms of costs at one time, determine project performance in terms of schedule/time at one time, estimate costs to complete the project after the evaluation time and estimate the time to complete the project after the evaluation. In this research the author carried out a cost analysis using the Earned Value Method on the preservation of the Section 5 Pandaan Malang Toll Exit Road.
Enhancing Porous Concrete Strength Through Superplasticiser Addition Hansen, Seng; Bangkara, BMAS Anaconda; Mughni, Amalia Fathimah Azh Zhahra; Koesalamwardi, Ario Bintang; Kurnia, Aldi
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 4, No 1 (2026)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v4i1.6601

Abstract

Porous concrete is widely used as a sustainable construction material since it allows water to pass through its structure, reducing surface runoff and supporting groundwater recharge. However, its application is often limited by its low compressive strength. This study investigates the effect of adding superplasticiser at varying dosage levels: 0.3%, 0.6%, and 0.8% of cement weight, on the mechanical properties of porous concrete. The research was conducted through laboratory experiments, with material testing, slump testing, and compressive strength testing at 7 and 28 days of curing. The results showed that the addition of superplasticiser significantly improved the compressive strength of porous concrete without affecting its porosity. The highest compressive strength was achieved at a 0.8% dosage, reaching 23.01 MPa at 28 days, which represents a 21.4% increase compared to normal porous concrete. The slump test confirmed that all concrete mixtures maintained near-zero slump values, ensuring that permeability was not compromised. These findings suggest that superplasticiser is an effective additive for improving the strength of porous concrete while preserving its essential drainage function. The research supports the broader application of porous concrete in sustainable infrastructure, especially in areas where both strength and water management are critical.
Co-Authors Bangkara, BMAS Anaconda Budi Witjaksana, Budi Hanie Teki Tjendani, Hanie Teki Koesalamwardi, Ario Bintang Kurnia, Aldi Seng Hansen