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All Journal Teras Jurnal Jurnal Penelitian Pendidikan IPA (JPPIPA) JMM (Jurnal Masyarakat Mandiri)
Frapanti, Sri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Materials Science & Nanotechnology Physics Other

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Analisis Standar Mutu Batu Bata Merah Tradisional Di Deli Serdang Dengan Indikator SNI 15-2094-2000 Frapanti, Sri; Efrida, Rizki; Dewi, Irma; Asfiati, Sri; Riza, Fetra Venny
Teras Jurnal : Jurnal Teknik Sipil Vol. 13 No. 1 (2023): Volume 13 No 1, Maret 2023
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v13i1.852

Abstract

Abstrak Penelitian ini bertujuan untuk mengetahui kualitas bata merah di Kabupaten Deli Serdang, Provinsi Sumatera Utara, Indonesia dengan standar SNI 15-2094-2000 sebagai acuannya. Jumlah sampel bata merah sebanyak 405 buah dari 15 Kecamatan. Pengujian yang dilakukan berupa pengujian sifat tampak, ukuran dan toleransi, kuat tekan, penyerapan air, dan kandungan garam. Hasil analisis pengujian sifat tampak untuk warna seragam sebanyak 80% sampel, nyaring bila dipukul 66,7%, sudut siku 53%, datar 86,7%, dan tidak retak sebesar 86,7%. Untuk ukuran dan toleransi sebanyak 66,6% sampel tidak memenuhi standar, untuk kuat tekan rata-rata 100% tidak memenuhi standar karena di bawah 5 Mpa. Hasil penyerapan air hanya 1,9% sampel yang memenuhi standar di bawah 20%, dan untuk kadar garam seluruh sampel memenuhi standar SNI 15-2094-2000. Kata kunci: bata merah, deli serdang, kuat tekan, standar SNI 15-2094-2000.  Abstract This study aims to determine the quality of red bricks in Deli Serdang Regency, North Sumatra Province, Indonesia with the SNI 15-2094-2000 standard as a reference. The number of red brick samples is 405 from 15 districts. Tests carried out in the form of testing the appearance, size and tolerances, compressive strength, water absorption, and salt content. The results of the analysis of visible properties for uniform color were 80% of the sample, loud when hit 66.7%, 53% right angle, 86.7% flat, and 86.7% uncracked. For size and tolerance as much as 66.6% of the sample does not meet the standard, for an average compressive strength of 100% it does not meet the standard because it is below 5 MPa. The results of water absorption were only 1.9% of the sample which met the standard below 20%, and for the salt content of all. Keywords: red brick, Deli Serdang, compressive strength, SNI 15-2094-2000 standard.
Analysis of The Addition Polypropylene Fibre and 8670 Mn Viscocrete added Material on The Split Tensile Strength and Modulus of Elasticity of Concrete Zulkarnain, Fahrizal; Efrida, Rizki; Frapanti, Sri
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.4808

Abstract

This study used waste coconut fibre and HDPE plastic as partial aggregate replacement materials. Coconut fibre ash has pozzolanic properties, which contain high silicate elements. High-density polyethene (HDPE) plastic has more potent, complex, opaque material properties and is more resistant to high temperatures. Superplasticizer is an admixture added to concrete during mixing and during placing to improve its strength performance. This study aims to study the effect of adding HDPE plastic as a substitute for coarse aggregate, coconut fibre ash as a substitute for fine aggregate and Viscrocrete-8670 MN on absorption, concrete compressive strength and elastic modulus of concrete. With variations in the addition of BN HDPE plastic, 0.5%, 1%, and 1.5%, the coarse aggregate passed 3/8 filter retained by filter no 4, 3% coconut fibre ash for each variation of concrete and Viscrocrete-8670 MN by 0.8% by weight of cement. The maximum value for each concrete test is the absorption value of concrete (4.23% for regular concrete), compressive strength (32.49 MPa for 1.5% HDPE concrete), and the modulus of elasticity (3152 MPa for 1.5% HDPE concrete).
AKSI BERSIH-BERSIH PANTAI DAN SOSIALISASI PENGELOLAAN SAMPAH PLASTIK DI PANTAI MANGROVE Afwina, Rahma; Nasution, Mahliza; Hermansyah, Hermansyah; Nasution, Muhammad Muslim; Frapanti, Sri
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 6 (2025): Desember
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i6.35195

Abstract

Abstrak: Permasalahan sampah plastik di kawasan pesisir merupakan isu mendesak yang berdampak pada ekosistem laut, kesehatan masyarakat, dan daya tarik wisata. Kegiatan Pengabdian Kepada Masyarakat (PKM) ini dilaksanakan di Pantai Cemara Kembar, Kabupaten Serdang Bedagai, dengan tujuan meningkatkan kapasitas masyarakat pesisir dalam pengelolaan sampah plastik berbasis partisipasi warga. Metode yang digunakan meliputi aksi bersih pantai, sosialisasi, ceramah, diskusi interaktif, dan praktik langsung dengan melibatkan 20 peserta yang terdiri dari nelayan dan warga sekitar. Evaluasi dilakukan melalui observasi, wawancara, dan angket dua minggu pasca kegiatan. Hasil kegiatan menunjukkan adanya peningkatan signifikan kesadaran masyarakat, di mana 80% warga mulai melakukan pemilahan sampah rumah tangga, 60% memanfaatkan komposter, serta terjadi penurunan volume sampah plastik di pesisir sebesar 20% dari total 85 kg sampah yang terkumpul. Kegiatan ini membuktikan bahwa pendekatan teknis dan partisipatif mampu membangun kesadaran kolektif dan memperkuat pengelolaan lingkungan berbasis komunitas.Abstract: Plastic waste in coastal areas is an urgent issue affecting marine ecosystems, public health, and tourism sustainability. This Community Service Program (PKM) was implemented at Cemara Kembar Beach, Serdang Bedagai Regency, aiming to strengthen community capacity in managing plastic waste through participatory approaches. The methods included beach clean-up, socialization, lectures, interactive discussions, and hands-on practice involving 20 participants consisting of fishermen and local residents. Evaluation was carried out through observation, interviews, and questionnaires two weeks after implementation. The results showed a significant improvement in community awareness, with 80% of residents practicing household waste separation, 60% utilizing household composters, and a 20% reduction in plastic waste volume from an initial 85 kg collected. This program demonstrates that technical and participatory approaches are effective in fostering collective awareness and strengthening community-based environmental management.
Co-Authors Asfiati, Sri Efrida, Rizki Fahrizal Zulkarnain Fetra Venny Riza Hermansyah Hermansyah IRMA DEWI Mahliza Nasution Nasution, Muhammad Muslim Rahma Afwina