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INDONESIA
Jurnal Teknik Sipil
Published by Universitas Tanjungpura
ISSN : 14123576     EISSN : 26218429     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Teknik Sipil Universitas Tanjungpura merupakan publikasi ilmiah berkala yang diperuntukkan bagi peneliti yang hendak mempublikasikan hasil penelitiannya dalam bentuk studi literatur, peneltian, dan pengembangan teknologi sebagai bentuk penerapan metode, algoritma, maupun kerangka kerja. Melalui penulisan Jurnal Teknik Sipil yang terbit pada bulan Juni dan Desember setiap tahun. Redaksi Jurnal Teknik Sipil Universitas Tanjungpura mengundang para profesional dari dunia usaha, pendidikan dan peneliti untuk berpartisipasi mengembangkan profesi serta menyebarluaskan perkembangan ilmu dalam bidang Teknik Sipil termasuk geoteknik, transportasi, struktur, sumberdaya air dan lingkungan dengan penekanan khusus pada pengurangan resiko bencana termasuk pendekatan sosio-teknik untuk penanggulangan.
Arjuna Subject : -
Articles 565 Documents
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The Effects of Quartz Sand Variation as an Additive on Concrete Compressive Strength (No Air Added) Faisal, Faisal; Sutandar, Erwin; Supriyadi, Asep
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.92086

Abstract

Concrete is a composite material widely used in construction due to its high compressive strength. However, variations in constituent materials can influence its quality and durability. One approach to improving concrete performance is to add quartz sand (SiO₂) as an additive. This study aims to analyse the effect of varying quartz sand content (0%, 5%, and 10%) on the compressive strength of non-air-entrained concrete. The research employed an experimental laboratory approach, producing cylindrical specimens cured for 28 days and tested using a compression testing machine in accordance with SNI 1974:2011. The test results showed that concrete with a 5% quartz sand addition achieved the highest compressive strength of 26.483 MPa, followed by regular concrete (26.087 MPa) and concrete with a 10% quartz sand addition (23.824 MPa). The results indicate that a moderate addition of quartz sand effectively enhances the compressive strength and density of concrete, whereas excessive dosage tends to increase porosity and reduce strength. Overall, 5% quartz sand is recommended as the optimal proportion to improve the performance of conventional concrete.
Analysis of Barriers and Strategies to Enhance Community Participation in Utilizing Centralized Domestic Wastewater Treatment Systems in Jambi City, Indonesia Putra, Dicky Nurfandi; Fitriani, Heni; Hadinata, Febrian
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.100916

Abstract

The development of Centralized Wastewater Treatment Plants (WWTPs) in Indonesia often faces negative public responses, leading to low community willingness to connect to the system. Through the Metropolitan Sanitation Management Investment Project (MSMIP), the government has initiated construction of WWTPs in several regions, including Jambi City, to address domestic wastewater issues. This study applies a mixed-methods approach to assess existing sanitation conditions and identify key factors inhibiting public participation across technical, economic, cognitive, perceptual, and institutional dimensions, analyzed using the Relative Importance Index (RII). Results show that 68.9% of households discharge wastewater without prior treatment, and 3.9% release both toilet and non-toilet waste directly into rivers. The community’s Average Ability to Pay (ATP) is IDR 103,000/month, considerably higher than the tariff of IDR 22,500/month, indicating that affordability is not a primary constraint. Instead, the main inhibiting factors include concerns about damage to the building during household connection installation, perceived increases in monthly maintenance costs, and the absence of clear local regulations. Limited public knowledge, assumptions that wastewater management is a government responsibility, and negative perceptions during construction further reduce willingness to participate. The study recommends strengthening regulatory frameworks, ensuring maintenance cost coverage, providing subsidies for low-income households, and enhancing outreach through collaboration with local academic institutions and community self-help groups.
The Impact of Incorporating Varied Sand Powder on the Compressive Strength of Concrete (Including Air Addition) Sutandar, Erwin; Budi, Gatot Setya; Aryanto, Aryanto; Parabi, Ashraf Dhowian
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.92395

Abstract

Concrete is a primary construction material composed of a mixture of aggregates, cement, and water, where the proportion of each component significantly influences its physical and mechanical properties. A common issue in conventional concrete production is a reduction in strength due to uncontrolled porosity and poor air distribution. This study aims to evaluate the effect of sand powder substitution on concrete characteristics and to determine the optimal composition that enhances mechanical performance without compromising material efficiency. The experimental tests were conducted at the Materials and Construction Laboratory, Faculty of Civil Engineering, Universitas Tanjungpura, using a sand powder variation of 0%, 5%, and 10%. The tested parameters included unit weight, compressive strength, splitting tensile strength, flexural strength, and elastic modulus at curing ages of 3 to 28 days. The results showed that conventional concrete achieved the highest compressive strength of 34.802 MPa at 28 days, while the mixtures with 5% and 10% sand powder reached 26.26 MPa and 25.917 MPa, respectively. Although the substitution of sand powder reduced mechanical strength, its use has the potential to enhance construction sustainability by reducing the consumption of natural sand and utilising mineral waste as a replacement material.
Effect of Foam Agent & Bioball Addition on Physical and Mechanical Properties of Lightweight Concrete Tanjaya, Christy Andhika; Supriyadi, Asep; Sutandar, Erwin
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.92468

Abstract

The growing demand for lightweight building materials that maintain adequate structural integrity has prompted research endeavors into lightweight concrete. This concrete possesses a lower specific gravity compared to conventional concrete, rendering it particularly well-suited for applications in soft soil and peatland environments, such as those prevalent in West Kalimantan. A notable innovation in the development of lightweight concrete involves the incorporation of foam agents and bioballs as supplementary materials, aiming to reduce the overall weight of the mixture without significantly compromising its mechanical properties. This research aims to analyze the effect of the addition of foam agent and bioball on the physical and mechanical properties of lightweight concrete, focusing on volume weight, porosity, compressive strength, split tensile strength, and modulus of elasticity. The research methodology comprised laboratory experiments with variations in the percentage of foam agent and bio ball. Compressive strength, split tensile strength, and modulus of elasticity tests were conducted at 7, 14, and 28 days of concrete age. Additionally, specific gravity and porosity measurements were taken to analyze the impact of additional materials on the physical properties of lightweight concrete. The findings indicated that incorporating foam agent and bioballs in the concrete mixture led to a reduction in the weight content of lightweight concrete to ≤ 1850 kg/m ³ and an enhancement in porosity, without substantial compromise to the compressive strength within structural lightweight concrete standards.The optimal amalgamation of foam agent and bioballs yielded lightweight concrete with optimal characteristics in terms of mechanical strength and structural efficiency. Consequently, this renders it a suitable alternative solution for construction applications in areas with low soil bearing capacity, where structural weight reduction is a major factor in design planning.
Performance and Optimization of Normal Concrete with Binary Cementitious Blends of Bagasse Ash and Rice Husk Ash Lase, Firman Kornel; Herwani, Herwani; Mukti, Elsa Tri
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.93362

Abstract

This study evaluates the use of Bagasse Ash (BA) and Rice Husk Ash (RHA) as partial cement replacements in standard concrete. The experiment used cylindrical specimens with diameters of 10 cm and 15 cm, with cement replaced by BA and RHA at 0% (control), 2.5%+2.5%, 5%+5%, and 7.5%+7.5%. Tests on material properties and concrete performance—including slump, unit weight, compressive strength, and splitting tensile strength—were conducted in accordance with Indonesian National Standards (SNI). The results show that increasing BA and RHA content reduces slump values, from 90 mm in the control mixture to 75 mm at the highest substitution level, but all mixtures remained within the acceptable workability range of 75–100 mm and met the criteria for normal-weight concrete. The highest 28-day compressive strength, 32.900 MPa, was achieved with the 2.5% BA + 2.5% RHA mixture, slightly exceeding that of the control concrete. The greatest splitting tensile strength, 2.924 MPa, occurred at the 5% BA + 5% RHA level. Overall, the findings indicate that moderate substitution using BA and RHA can maintain satisfactory mechanical performance while offering a more sustainable alternative to conventional cement.

Page 57 of 57 | Total Record : 565

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