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All Journal Urban and Regional Studies Journal IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat Jurnal Penelitian Teknik Sipil Konsolidasi
Eka Yuniarto
Program Studi Teknik Sipil Fakultas Teknik Universitas Bosowa
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Reduksi Semen Dengan Fly Ash Dengan Bahan Tambah Polycarboxilate Terhadap Kuat Tekan Dan Kuat Tarik Beton Sammin, Widianto; Syahriman, Syahrul; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 3 No. 2 (2025): Jurnal Penelitian Teknik Sipil Konsolidasi, Mei 2025
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v3i2.4546

Abstract

The structural engineering field is advancing rapidly. Fly Ash contains silica, similar to cement. This study examines the use of Fly Ash waste as a cement substitute in concrete production, with polycarboxylate added. Fly Ash was used at 15% and 30% with polycarboxylate at 1% and 2%. The target compressive strength was 25 MPa, with normal concrete mix. Tests focused on compressive strength in polycarboxylate variations. Another set of concrete mixes substituted 15% and 30% cement with Fly Ash, adding polycarboxylate at 1% and 2% of cement content. Results showed a compressive strength of 25.38 MPa for normal concrete and 25.78 MPa and 25.94 MPa for 1% and 2% polycarboxylate mixes, respectively. With 15% and 30% Fly Ash plus 1% polycarboxylate, compressive strength increased by an average of 0.635 MPa; with 2% polycarboxylate, it averaged 5.25 MPa. Similarly, for tensile strength, 1% polycarboxylate with 15% and 30% Fly Ash achieved an average of 5.45 MPa, while 2% polycarboxylate reached 18.63 MPa with the same Fly Ash percentages.
Alternatif Perancangan Jembatan Pelengkung Struktur Atas Jembatan Tawaeli Menggunakan Sistem Jembatan Pelengkung Steel Box Tipe Through Arch Birdge Palmabas, Suardi; Sariman, Syahrul; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 3 No. 2 (2025): Jurnal Penelitian Teknik Sipil Konsolidasi, Mei 2025
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v3i2.4951

Abstract

The bridge, a structural construction used to cross gaps or obstacles like rivers, railroads, or highways, is essential in infrastructure. Replacing Tawaeli I Bridge is part of the government’s initiative to improve road and bridge infrastructure in Indonesia. Tawaeli I Bridge has nearly reached its planned lifespan and thus requires replacement. The current concrete bridge design includes piers within the river flow, which creates issues, especially during the rainy season when rising water levels and carried debris risk damaging the piers. This study focuses on designing a replacement for Tawaeli I with an upper arch bridge structure using a Steel Box Through Arch Bridge system. The new bridge, spanning 80 meters in length and 10 meters in width, is designed without piers in the river, allowing unobstructed flow. It includes longitudinal IWF 500.200.10.16 girders, transverse IWF 900.500.24.36 girders, D 55 mm freyssinet hangers, an arch Box 1100.1000.50.50, and tension Box 1000.900.50.50. This design uses FEM structural software to analyze the structure and internal forces.
Pelatihan Pembuatan Komposter Skala Rumah Tangga bagi Anggota Masyarakat Aisyiyah di Kecamatan Panakkukang Kota Makassar Yusuf, Andi Rumpang; Akrim, Djusdil; Muliyani, Savitri Prasandi; Cangara, Satriawati; Yuniarto, Eka; Irfan, Achmad; Cangara, Iin Fitrianty Suaib
IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat Vol 5, No 1 (2025): IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat
Publisher : Univeristas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/iptek.v5i1.76584

Abstract

Abstrak. Permasalahan penumpukan sampah di Kota Makassar, khususnya di Tempat Pembuangan Akhir (TPA) Tamangapa, menjadi isu lingkungan yang mendesak akibat pesatnya pertumbuhan penduduk dan aktivitas ekonomi. Sampah rumah tangga, terutama sampah organik, mendominasi komposisi limbah dan menimbulkan berbagai dampak negatif seperti bau tidak sedap, pencemaran lingkungan, dan penurunan kualitas hidup masyarakat. Salah satu upaya yang dapat dilakukan untuk mengatasi permasalahan ini adalah pengelolaan sampah berbasis rumah tangga melalui penerapan komposter skala rumah tangga. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pengetahuan, keterampilan, dan kesadaran masyarakat dalam mengelola sampah organik melalui pelatihan pembuatan dan penggunaan komposter sederhana. Metode yang digunakan adalah pendekatan edukatif-partisipatif yang meliputi tiga tahapan utama: (1) penyuluhan mengenai pengelolaan sampah dan konsep dasar komposter, (2) demonstrasi pembuatan komposter menggunakan ember cat bekas, dan (3) praktik langsung oleh peserta dalam membuat dan mengisi komposter. Hasil kegiatan menunjukkan adanya peningkatan signifikan pemahaman dan keterampilan peserta, yang ditunjukkan melalui keberhasilan peserta membuat komposter secara mandiri dan memahami proses pengomposan dengan baik. Selain itu, peserta juga termotivasi untuk menerapkan teknik pengelolaan sampah organik di rumah masing-masing. Penerapan komposter berpotensi mengurangi volume sampah rumah tangga yang dibuang ke TPA, mengurangi pencemaran lingkungan, sekaligus memberikan manfaat ekonomi melalui pemanfaatan kompos sebagai pupuk tanaman. Kegiatan ini diharapkan dapat menjadi langkah awal dalam membangun budaya peduli lingkungan dan memperkuat partisipasi masyarakat dalam menciptakan lingkungan perkotaan yang bersih, sehat, dan berkelanjutan. Kata Kunci: komposter, pengelolaan, sampah organik, rumah tangga
Arahan Pengendalian Terhadap Banjir di Perumahan BTN Mutiara Indah Permai di Kecamatan Somba Opu Kabupaten Gowa Yuniarto, Eka; Latief, Rudi; Ridwan, Ridwan
Urban and Regional Studies Journal Vol. 6 No. 1 (2023): Urban and Regional Studies Journal, Desember 2023
Publisher : Postgraduate Bosowa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35965/ursj.v6i1.3863

Abstract

Banjir merupakan salah satu bencana alam yang banyak terjadi belakangan ini, terutama disaat musim penghujan. Selain kerugian material, bencana banjir dapat menimbulkan korban jiwa. Faktor utama penyebab terjadinya bencana adalah manusia yang dapat melakukan pengalihan fungsi lahan dari daerah yang seharusnya dapat meresap air menjadi lahan perumahan dan permukiman, perkebunan bahkan lahan perindustrian. Faktor lain yang dapat menimbulkan banjir adalah faktor alam, seperti kelerengan disuatu daerah dan juga kemampuan tanah dalam menyerap air hujan. Kondisi eksisiting pemanfaatan lahan di Kecamatan Somba Opu terdiri dari berbagai macam aktivitas seperti pemukiman penduduk, perdagangan dan jasa. Tujuan dari penelitian ini mengidentifikasi penyebab terjadinya banjir di Perumahan BTN Mutiara Indah Permai Kabupaten Gowa serta menentukan arahan pengendalian banjir yang tepat dan dapat dilaksanakan. Metode penelitian dilakukan dengan observasi langsung di lokasi, melakukan wawancara terhadap masyarakat yang terdampak. Analisa data menggunakan analisis hidrologi dengan berdasar pada identifikasi penyebab banjir untuk menghitung debit limpasan, debit rencana dan daya tampung sistem drainase. Hasil dari penelitian ini diperolaeh bahwa sistem jaringan drainase di BTN Mutiara Indah Permai tidak dapat menampung debit air ketika musim penghujan akibat adanya limpasan air berupa banjir kiriman, upaya mitigasi banjir dilakukan dengan memperbesar kapasitas debit saluran drainase serta memperkecil debit limpasan. Flooding is one of the most common natural disasters in recent time especially during in rainy season. Besides material losses, flood disasters can cause loss of life. The main factor causing disaster is human who can divert land function from area that be able to absorb water into housing and settlement, plantation and even industrial land. Other factors that can cause flooding are natural factor, such as the slope in an area and also the ability of the soil to absorb rainwater. The existing condition of land use in Somba Opu sub-district consists of various activities such as residential, trade and service. The purpose of this study was to identify the causes of flooding in the BTN Mutiara Indah Permai Gowa and determine appropriate flood control direction that can be implemented. The research method was carried out by direct observation at the location through interview with affected community. Data analysis using hydrological analysis based on the identification of flood causes to calculate runoof discharge, plan discharge and drainage system capacity. The result of this study found that the drainage network system in BTN Mutiara could not accommodate  water discharge during the rainy season due to water runoff in the form of flood shipments, flood mitigation efforts are carried out by increasing the discharge capacity of drainage channels and minimizing runoff discharge
Stabilisasi Pemanfaatan Garam Dapur (NaCl) Dan Serbuk Kaca (SiO2) Terhadap Kuat Geser Dan Kuat Tekan Bebas Tanah Lempung Kalua, Gustianus; Lebang, Fauzy; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 1 No. 3 (2023): Jurnal Penelitian Teknik Sipil Konsolidasi, September 2023
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v1i3.3021

Abstract

Tanah merupakan permukaan dasar yang utama bagi semua pekerjaan konstruksi. Tetapi tidak semua jenis tanah dapat digunakan sebagai bahan konstruksi. Apabila tanah tersebut tidak memenuhi persyaratan, maka tanah tersebut perlu distabilisasi. Dalam penelitian ini digunakan bahan Garam Dapur (NaCl) dan Serbuk Kaca (SiO2) yang lolos saringan 200 sebagai bahan perbaikan tanah lempung. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan garam dapur (NaCl) terhadap kuat geser dan kuat tekan bebas pada tanah lempung yang dicampur dengan pecahan limbah serbuk kaca (SiO2) dengan kadar tertentu yaitu 0%, 3%, 9%, 15% pada pengujian kuat geser yang dilakukan dengan penambahan garam dapur 10% ditambah serbuk kaca 0%, 3%, 9%, dan 15% diperoleh nilai cohesi 0,5170, 0,6971, 0,4123, dan 0,3373, sedangkan nilai sudut geser diperoleh nilai 27,34, 34,88, 22,41, 18,64, adapun nilai kuat geser diperoleh nilai 1,5079, 2,0332, 1,2025, dann 0,9838.sedangkan pada pengujian kuat tekan diperoleh nilai qiu rata 0,324, 0,378, 0,268, dan 0,253.
Penggunaan Cangkang Kemiri Sebagai Subtitusi Agregat Kasar Dan Zat Tambah Terhadap Sifat Mekanis Beton Haris, Zainal Abidin; Setiawan, Arman; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 2 No. 1 (2024): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2024
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v2i1.3282

Abstract

Indonesia is a developing country that is improving public infrastructure development, which serves to support the continuity of services to the community. Research that has often been carried out in general generally uses a simple technology by utilizing local resources including the use of waste as a building material, one of which is pecan shells. The purpose of this study was to obtain the effect of partial substitution of crushed stone with a kemeiri shell by 5% and the addition of various added substances by 0.6% of the weight of cement on the compressive and tensile strength of concrete. There were 47 samples made, including 23 samples of normal concrete and 24 samples of variation concrete. Concrete samples were soaked for 28 days before testing the compressive strength and tensile strength of concrete. The results of this test showed that pecan shell mixed concrete experienced a decrease in compressive and tensile strength values compared to normal concrete, while in pecan mixed concrete variations of various added substances experienced higher compressive and tensile strength values than pecan mixed concrete.
Alternatif Perancangan Struktur Atas Gedung Kuliah IAIN Kota Palu Sulawesi Tengah Wicaksono, Muh. Ramdhan Ainun; Setiawan, Arman; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 2 No. 1 (2024): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2024
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v2i1.3284

Abstract

The use of steel structure material as a building structure has not been as widespread as in other countries, generally steel material is used to build bridges. But if you use the strength of the steel structure as a working load bearer, it will result in a stronger profile design, and easy to implement. In this research uses a steel structure as the construction of the IAIN Palu Lecture Building has a fourfloors with a building length of 83.25 m, a building width of 70 m and a building height of 16.8 m. This research re-plans with a steel frame in its structure.  This building planning refers to SNI 1726:2019, SNI 1727:2020, and SNI 1729-2020. Software used ETABS v.19 and Autocad 2019. Load analysis in the form of dead load, live load, and earthquake.  The primary beam B1 WF 800.300.14.26; B2 WF 582.300.12.17; B3 WF 390.300.10.16 and L1 WF 340.250.9.14; column K1 WF 900.300.16.28; K2 WF 350.350.12.19.; and K3 WF 700.300.13.24.
Penggunaan Silika Fume Untuk Reduksi Semen Dengan Limbah Granit Sebagai Pengganti Agregat Kasar Terhadap Kuat Tekan Dan Kuat Tarik Beton Aswanti, Rina; Sariman, Syahrul; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 2 No. 1 (2024): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2024
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v2i1.3302

Abstract

Concrete is a mixture of cement, sand, gravel, and water. In order to obtain good quality in the process, added ingredients, waste, or other materials with a certain ratio value are added. In this case, the use of granite waste as a substitute for coarse aggregate that is easy to find and the use of silica fume which aims to increase the compressive strength of concrete. The purpose of this study was to determine the effect of granite waste and silica fume, as well as the relationship between compressive strength and tensile strength of concrete with these variations. The percentage of granite waste and silica fume varied, ranging from 5%-10% granite waste and 0%, 7.5%, 15%, 22.5%, and 30% silica fume. Concrete testing was carried out after the concrete was 28 days old. The planned compressive strength is 25 Mpa. From the results obtained, the average normal concrete compressive strength was 27.69 Mpa and the average normal concrete tensile strength was 3.14 Mpa. The addition of 5% - 10% percentage granite waste and 0% silica fume obtained an average compressive strength of 27.74 Mpa and 27.65 Mpa, and an average tensile strength of 3.18 Mpa and 3.16 Mpa. The percentage of 10% granite waste and silica fume 7.5%, 15%, 22.5%, and 30% obtained average compressive strengths of 26.42 Mpa, 26.33 Mpa, 25.10 Mpa, and 25.01 Mpa respectively and average tensile strengths of 2.71 Mpa, 2.64 Mpa, 2.50 Mpa, and 2.41 Mpa respectively.
Analisis Kuat Tekan Beton Geopolimer Dengan Bahan Tambah Serat Plastik HDPE Mayumi, Emilia; Setiawan, Arman; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 3 No. 3 (2025): Jurnal Penelitian Teknik Sipil Konsolidasi, September 2025
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v3i3.3197

Abstract

In today's infrastructure development, concrete is one of the most widely used structural materials in a construction as its basic material. To produce cement, factories produce waste gases and waste particles that can pollute the air. In this research, geopolymer concrete binder is a breakthrough to replace Portland cement binder. In this study, the added material used is HDPE plastic fiber. This research is an experiment conducted at the laboratory of concrete structures and materials at the University of Bosowa Makassar. The composition of the geopolymer concrete mixture obtained was fly ash (2.47kg), NaOH (0.56kg), Na2SiO3 (0.83kg), water (1.24kg), sand (3.60kg), crushed stone 0.5-1 (5.14kg). The HDPE plastic fibers used in this study were 5%, 10%, 15% and 20% by weight of fly ash. From the results of research using HDPE plastic fiber composition of 5%, 10% 15%, 20% respectively, the results obtained are 18,401 Mpa, 15,664 Mpa, 13,022 Mpa, 11,323 Mpa.
Analisis Pengaruh Penambahan Abu Tempurung Kelapa Terhadap Kuat Tekan Beton Geopolimer Dengan dan Tanpa Zat Tambah Sikanna, Ferdi; Setiawan, Arman; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 3 No. 3 (2025): Jurnal Penelitian Teknik Sipil Konsolidasi, September 2025
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v3i3.3203

Abstract

This study aims to determine how the effect of adding coconut shell ash as a partial substitute for fly ash on the compressive strength of geopolymer concrete and the effect of adding and without adding additives to variations of coconut shell ash. The method of this research is to compare the control concrete with the variation of fly ash mixed with coconut shell ash 5%, 10%, 15%, with and without the addition of 2% superplastizer. From the results of this study it can be concluded that the concrete using 5% coconut shell ash increased by 3.7% from the control concrete, and at the addition of 10% and 15% coconut shell ash decreased the compressive strength of the concrete by 36% and 47, respectively. 5%. For the comparison of the addition of 2% superplastizer to the compressive strength of coconut shell ash geopolymer concrete without using additives of 7.8%, 23.4% and 16.8%, from each variation of coconut shell ash.
Co-Authors Abduh, M. Natsir Abeng, Christie Bongga Akrim, Djusdil Andi Rumpang Yusuf Arman Setiawan Ashar, Ahmad Aswanti, Rina Cangara, Iin Fitrianty Suaib Cangara, Satriawati Chau, Jaycin Agnes Elisa Gunawan, Andi Candra Haris, Zainal Abidin Irfan, Achmad Kalua, Gustianus Lebang, Fauzy Mangasik, Setiawan Anugerah Mappa, Muh Hijrawansa Marcelline, Aldo Mayumi, Emilia Muhammad Naufal, Muhammad Nur, Muhammad Alfian Palmabas, Suardi Paraktuk, Azer Kalak Razak, Rismawati Ridwan, Ridwan Rizaldo Bagus Dinata Sammin, Widianto Sariman, Syahrul Sikanna, Ferdi Syahriman, Syahrul Wicaksono, Muh. Ramdhan Ainun Yusuf, A. Rumpang