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All Journal SAR (Soedirman Accounting Review): Journal of Accounting and Business Jurnal Istiqro' Klinikal Sains (Jurnal Analis Kesehatan) Journal of Sustainable Civil Engineering (JOSCE) Akrab Juara : Jurnal Ilmu-ilmu Sosial Jurnal Penkomi : Kajian Pendidikan dan Ekonomi Jurnal Riset Akuntansi dan Keuangan Jurnal Vokasi Mekanika Menara Pengabdian Jurnal Masyarakat Mengabdi Nusantara Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat Muqaddimah: Jurnal Ekonomi, Manajemen, Akuntansi dan Bisnis Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Venus: Jurnal Publikasi Rumpun Ilmu Teknik International Journal of Mathematics and Science Education
Jasman Jasman
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Journal : Venus: Jurnal Publikasi Rumpun Ilmu Teknik

 1 
Pengaruh Penambahan Serat Ijuk Dan Plasticezer Sebagai Bahan Tambah Terhadap Nilai Karakteristik Beton Ahmad Ahmad; Jasman Jasman; Hamsyah Hamsyah
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 2 No. 2 (2024): April : Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i2.246

Abstract

Concrete is an artificial stone made from a mixture of cement, sand, aggregate and water. For this reason, this construction material is considered very important to continue to be developed. One effort to develop is by improving the weak properties of the concrete itself. From this, researchers will use additional materials such as fiber palm fiber and sika visconcrate in the concrete mixture. Fiber fiber itself has durable properties and does not rot easily in open conditions or embedded in the ground, while sika visconcrate is a chemical that is used as an additive in the mixture to increase the workability, quality and strength of concrete with the desired properties. The method used in this research is quantitative experimentation. The aim of this research is to determine the characteristics of concrete using palm fiber and sika visconcrate with variations of 3%, 5% and 7% from normal concrete. The results of the research show that the average compressive strength of normal concrete is 25,572 MPa, 3% SI+SV variation concrete has an average of 27,365 MPa, 5% SI+SV variation concrete has an average of 26,704 MPa, and 7% SI+ SV variation concrete The average is 26,044 MPa. The split tensile strength test results of normal concrete averaged 6.074 MPa, 3% SI+SV variation concrete averaged 6.444 MPa, 5% SI+SV variation concrete averaged 7.852 MPa, and 7% variation concrete averaged amounting to 8,148 MPa.
Pengaruh Subtitusi Abu Kayu Terhadap Semen Ditinjau Dari Kuat Tekan dan Kuat Tarik Belah Beton Azhar Azhar; Jasman Jasman; Hamka Hamka
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 2 No. 2 (2024): April : Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i2.248

Abstract

Concrete is a rock made from a mixture of cement, sand, aggregate and water. For this reason, this construction material is very important to develop. One effort to develop it is by utilizing industrial waste. Like other industrial waste, wood ash waste can also be used as a partial replacement for cement. The aim of this research is to determine the effect of adding wood ash as an additive to cement on the compressive strength and tensile strength of concrete, as well as to determine the effect of varying the percentage of wood ash in the concrete mixture on the compressive strength and split tensile strength of concrete. The type of research used in this research is quantitative research with experimental methods, namely by comparing normal concrete with 3 variations of mixture to determine the compressive strength and splitting tensile strength of the concrete. The results of the research showed that the experimental compressive strength and split tensile strength of concrete on normal concrete and variations of 3 mixtures, namely 2%, 4% and 6% of cement, obtained experimental results on the compressive strength of concrete for 28 days of normal concrete with an average of the average of 25,478 Mpa decreased with a 2% variation with an average of 24,723 Mpa, and decreased drastically for a 4% variation with an average of 19,439 Mpa, and for a 6% variation with an average of 18,967 MPa. Meanwhile, in testing the split tensile strength of normal concrete with an average of 7.185 Mpa, it experienced an increase from normal concrete with a variation of 2% with an average of 7.333 Mpa, and experienced a decrease from normal concrete with a variation of 4% with an average of 6.667 Mpa, and 6%. with an average of 6 Mpa. So it can be concluded that concrete with a variation of 2% wood ash does not really affect the compressive strength of the concrete, but the more wood ash that is added, the compressive strength of the concrete will decrease. From this research it can be concluded that the use of wood ash does not achieve the planned compressive strength so it is not suitable for use in construction.
Pemanfaatan Limbah Cangkang Kerang sebagai Subtitusi Agregat Kasar dengan Bahan Tambah Superplasticizer terhadap Kuat Tekan Muhammad Ilham Tahir; Jasman Jasman; Misbahuddin Misbahuddin; Adnan Adnan
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 2 No. 5 (2024): Oktober: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i5.529

Abstract

Parepare City is located on the coast with significant fisheries and maritime potential. The processing and consumption of shellfish in this city produces a lot of shellfish waste, which is often not utilized and accumulates into an environmental problem. To improve the properties of concrete, several types of additives that have certain functions are added to the concrete mixture, namely increasing the workability, durability, and hardening time of concrete. This study aims to determine the compressive strength of concrete and the composition of coarse aggregate of shells with superplasticizer added materials that are optimally produced. Using an experimental method carried out at the Laboratory of Structure and Materials, Muhammadiyah University of Parepare. The results showed that substitution of coarse aggregate with 5% shellfish waste and 0.5% superplasticizer increased the compressive strength of concrete at the ages of 7, 14, and 28 days. The 10% substitution still meets the compressive strength requirements at 28 days, although slightly lower than normal concrete. Substitution of shells up to 5% increases the compressive strength of concrete, and the 10% content is optimal, reaching the maximum value without significant decline. It is recommended that the use of shells as a substitute for coarse aggregate does not exceed 10% for optimal results and meets the planned compressive strength of 25 MPa.
Co-Authors Abdul Aziz Adnan Adnan Ahmad Ahmad Ahmad Firdaus Ambiyar, Ambiyar Andre Kurniawan Anggi Anggi Angnes Amtahanb Arief Sudarta ARIF RACHMAN HAKIM Arwizet Arwizet, Arwizet Asril Hermawan Azhar Azhar Bangun Sukma Wijaya Bayu Bayu Buana Bima Fikri Budi Syahri Bulkia Rahim Defra Yones Delima Yanti Sari Edi Satria Eko Indrawan Eko Kurnia Saputra Eva Safitri Maladeni Fadhli Almi Farid Permata Putra Fauzi Frimananda Gifan Ainul Mukhrim Hamka Hamka Hamsyah Hamsyah Hasddin Hasddin Haydir Haydir Hendri Nurdin I Gusti M.N Budiana I Gusti N.Budiana Ida Mawadah Idalia Norceb Indra Elisabet Lalangpuling Irzal Irzal Kasimir Sarifudin Ketrina Konoralma Kevin Pascoal Laksono Trisnantoro Lalang, Arvinda C. Lestarani, Dewi Lolita A.M. Parera M Aldi Muhtaibillah A M. Hafiz M. Ridwan Ma'rif Hidayat Marfudin Marfudin Mastur Mastur Misbahuddin Misbahuddin Muhammad Ady Mulyadi Muhammad Anwar Rifa'i Muhammad Ilham Tahir Mulianti Mustakim Mustakim Nastya Chila Zarabiyu Nelvi Erizon Nensy Aryasandy Neolaka, Yantus A B Ni Wayan O.A.C. Dewi Nofri Pratama Putra Nurmila Sunati Panca Eka Paksi Peri Irawan Primawati Primawati purwantono purwantono Rahmadi Zaki Refdinal Refdinal Renaldi Renaldi Reski Yanza Rifat De Burt Rifelino Rifelino Rio Ramadhan Rizki Trio Kurnia Putra Rodesri Mulyadi Rodiah Elfianti Rosdialena Sri Rizki Putri Primandari Syauqi Arjunanda Taufik Taufik Thaheransyah Villa Eva Delvia Ginal S Wanda Nurul Afriani Waskito Waskito Yosep Lawab Yufrizal A Yusra M. Nur Zainal Abadi Zulfikra Rendi