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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Ruas (Review of Urbanism and Architectural Studies) eUREKA : Jurnal Penelitian Mahasiswa Teknik Sipil dan Teknik Kimia Sistem : Jurnal Ilmu-Ilmu Teknik JFMR (Journal of Fisheries and Marine Research) Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia JAST : Jurnal Aplikasi Sains dan Teknologi Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Jurnal Qua Teknika Jurnal Konstruksi Asian Journal Science and Engineering Indonesian Journal of Interdisciplinary Research in Science and Technology (MARCOPOLO)
Diana Ningrum, Diana
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Experimental Study of Glued Laminated Timber (Glulam) from Jackfruit Wood and Coconut Wood for Timber Beams of Level Houses in East Nusa Tenggara Handika Setya Wijaya; Yurnalisdel; Diana Ningrum; Galih Damar Pandulu; Yerian Hamba Banju
Indonesian Journal of Interdisciplinary Research in Science and Technology Vol. 1 No. 6 (2023): July 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/marcopolo.v1i6.5228

Abstract

Wood is a construction material that is familiar to the wider community. Wood can be used in construction. The purpose of this study was to determine the specifications of the physical properties, mechanical properties, tensile strength and flexural strength of laminated wood (glulam), in jackfruit and coconut wood beams originating from the East Nusa Tenggara region in multi-storey house buildings. The tests carried out included testing the water content, testing the tensile strength and bending strength, testing the tensile strength and bending strength on glulam beams using epoxy glue adhesives. The results of this study showed that jackfruit wood and coconut wood aged 15 years and 20 years had an average moisture content of 15 years, namely 15% and 26%, the average specific gravity was 0.54 (tons/m3) and 0.46 (tons/m3). Meanwhile, the average water content for 20 years is 15% and 32%, the average specific gravity is 0.58 (Ton/m3) and 0.45 (Ton/m3). The tensile strength of intact and glulam wood of jackfruit and coconut wood was obtained from laboratory results on SNI 7973-2013 calculations, the average tensile strength of intact jackfruit and coconut wood was 84.40 MPa and 80.73 MPa. The flexural strength of intact beams and glulam of jackfruit and coconut wood aged 15 years was obtained from laboratory results on SNI 7973-2013 calculations of the flexural strength of intact beams for 15 years, the average being 71.81 MPa and 26.07 MPa. At 15 years of age, the flexural strength of glulam beams was the highest variation 1 and variation 2 (Jackfruit, Coconut, Jackfruit) mean 76.00 MPa and 41.85 MPa. The flexural strength of intact beams and gulam of jackfruit and coconut wood aged 20 years was obtained by laboratory results on SNI 7973-2013 calculations of flexural strength of intact beams, which were 80.27 MPa and 29.73 MPa respectively. At the age of 20 years, the highest flexural strength of glulam beams were variations 1 and 2 (Coconut, Jackfruit, Coconut) with an average of 80.40 MPa and 48.76 Mpa.
REVIEW DESAIN GEDUNG PELAYANAN TERPADU UNIVERSITAS TRIBHUWANA TUNGGADEWI MALANG DENGAN KONSTRUKSI BAJA ningrum, Diana; Setya Wijaya, Handika; Umbu Lele, Ardinand Antonius
Jurnal Qua Teknika Vol 13 No 1 (2023): Maret 2023
Publisher : Universitas Islam Balitar Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/quateknika.v13i1.2700

Abstract

The application of engineering in the field of civil engineering is growing rapidly, requiring more productivity, creativity, and innovation from structural engineers, especially in the field of structural engineering. To get the optimal cross-sectional dimensions, the magnitude of the forces or loads acting on the structure needs to be analyzed for beams and columns. Under the influence of the working load, the moment bearing capacity will deform evenly throughout the elements. In a flexible structure, the load acting on each structural element needs to be taken into account the moment of deformation. As a design review material, the Tribhuwana Tunggadewi University Integrated Service Building is an integrated service building consisting of 5 floors, which in its main structure uses steel construction, a design review will be conducted, which aims to determine the strength and reliability of the construction. The results of the Review on the Design of the Integrated Service Building, Tribhuwana Tunggadewi University, Malang, are Column(1) steel using the WF profile. 350 . 175 . 7. 11, safe against moments, shear forces, axial forces and buckling or buckling. Column (2) concrete 30 cm x 60 cm is safe against tensile forces, shear forces and axial forces. Block (1) uses WF. 350 .175 . 7. 11, beam (2) uses WF 200 . 100 .5.5 .8 , block (3) uses WF.400.2000.8.13, block (4) uses WF 250 . 125 . 6.9, to the required cross-sectional height and secondary flexural stresses. The floor slab uses 0.75 mm bond with 10 cm concrete and 10 - 200 cm diameter reinforcement (f) which is safe against moments, shear forces and deflections. Connections using Type A-325 bolts with a diameter of 19, safe against tensile forces, shear forces, and bearing forces. Supports using base plates and anchors are safe against tensile forces, shear forces and axial forces.
PENGARUH SUBSTITUSI CANGKANG KERANG DARI ENDE NTT TERHADAP KUAT TEKAN DANKUAT LENTUR BETON fc’= 19,3 MPa Ningrum, Diana; Setya, Handika; Seda, Victoria
Jurnal Qua Teknika Vol 13 No 2 (2023): September 2023
Publisher : Universitas Islam Balitar Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/quateknika.v13i2.3155

Abstract

The use of concrete for basic construction materials today is indeed increasing rapidly along with the development of construction construction.Only a concrete quality of 19.3 MPa (fc '= 25 MPa) was considered in this study. Since cement, aggregates, sand and water are extracted from nature, they must be limited. So in this study using additional material clam shells. One of them is shells, shellfish waste or shells are usually only used as decorations or toys so that there is still a lot of waste wasted. Inside the shell, the clam contains pozzolan chemical compounds, namely lime (CaO), aluminum oxide and silica. It can be expected to improve the quality of concrete. As a result of compressive strength test by changing the clamshell to 0%, 10%, 20%, 30%, 40% and 50%, the average compressive strength value of 0% (ordinary concrete) was 15.81 MPa. The addition of a 10% clam shell results in an average compressive strength value of 20.58 MPa. For the addition of clam shells by 20% obtained an average compressive strength value of 23.37 MPa. 30% yields an average compressive strength of 40.31 Mpa, to 40% of 29.12 Mpa. As for the addition of 50% clam shells, the average compressive strength value is 24.79 Mpa. Thus it can be concluded that the addition of clam shells 30% compressive strength value is higher than the compressive strength value of concrete with the addition of clam shells 0%, 10%, 20%, 40%, and 50%The flexural strength test value in terms of the maximum average moment on the beam for each variation of the test specimen is maximum moment value 75.02 kN.m for 0% variation, maximum moment value 62.52 kN.m for 10% variation, maximum moment value 68.77 kN.m for 20% variation, maximum moment value for 30% variation 62.52 kN.m, 40% variation at maximum moment value of 62.52 kN.m. Therefore, the percentage of specimens that can withstand the highest load in the flexural strength test is 0% and the maximum moment value is 75.02 kN.m.
Experimental Testing Comparison between Wiremesh Reinforcement and Plain Reinforcement on Concrete Slabs Rasidi, Nawir; Dora, Margaritha P.I; Ningrum, Diana
Asian Journal Science and Engineering Vol. 1 No. 1 (2022): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v1i1.405

Abstract

The demand for building quality in the construction of structures is a major requirement. One part of the structure is the floor slab work. The main obstacle is when the floor slab is loaded there will be deflection and bending moment. Meanwhile, there are demands for shorter work times at lower costs. This study aims to analyze the concrete slab against the flexural strength test, compressive strength test and tensile strength test of plate reinforcement. In this study, plate reinforcement used plain steel with a diameter of 6 mm and 8 mm. Then the plain iron reinforcement plate was compared with the M6 ??and M8 wiremesh reinforcement plates. The results showed that the flexural strength test for plain iron reinforcing plates with a diameter of 6 mm was 45000 Kg.cm, while for a concrete slab with wiremesh M6 reinforcement it was 42500 Kg.cm then for reinforcement with a diameter of 8 mm it was 32500 Kg.cm while wiremesh M8 was 57500 Kg. .cm. This shows that the concrete slab with wiremesh reinforcement is better able to accept the load, as well as better moment capacity in bending, compressive and tensile tests compared to conventional slabs. Keywords: Concrete Slabs, Wiremesh Reinforcement, Plain Reinforcement
Kapasitas Lentur Balok Pada Beton Bertulang dengan Agregat Lokal dari Sungai Babulu Malaka, Nusa Tenggara Timur Bianco , Ricardo Justino; Rasidi , Nawir; Wijaya , Handika Setya; Ningrum, Diana
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 6 (2023): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sand and crushed stone from the Babulu River in Malacca Regency is one of the materials that is often used by the local community as an aggregate for concrete construction, as a construction material the aggregate must meet technical requirements. The research method used was experimental with cylindrical samples measuring 15 cm x 30 cm and beams measuring 8 cm x 12 cm x 120 cm. The aggregate variations used were 0%, 25%, 50%, 75%, and 100%. Data were analyzed by assessing physical properties such as sieve analysis, silt content, moisture content, and specific gravity of aggregates. Further testing was carried out to test the compressive strength of concrete, to test the bending strength of the beam, and the deflection that occurs in the beam. The results showed that the sand and crushed stone material from Babulu River had a fineness modulus of 3.61%, while that of Malang Regency was 2.63%. Meanwhile, for coarse aggregate, the fineness modulus gradation of Babulu River is 4.06%, while that of Malang Regency is 4.43%. The use of the 50% variation of aggregate material from the Babulu River in the concrete mix produced a fairly good average compressive strength value. At 28 days of age, concrete using material from the Babulu River achieved an average compressive strength of 16.26 MPa. Reinforced concrete beams using materials from the Babulu River had an average flexural load-bearing capacity of 1,800 kg and an average deflection of 5.16 mm.
Review of Mechanical Characteristics and Flexural Strength of Concrete Beam Material Original Bundubela, East Sumba Ningrum, Diana; Rasidi, Nawir; Frank Rijkaard Mouwlaka, Enroe
Asian Journal Science and Engineering Vol. 4 No. 1 (2025): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v4i1.1892

Abstract

The utilization of local aggregates is pivotal for promoting sustainable and cost-effective construction, yet their mechanical viability requires rigorous assessment. This study aims to evaluate the mechanical characteristics and flexural strength of concrete beams formulated with aggregates from Bundubela, East Sumba, to determine their suitability under Indonesian National Standards (SNI). The research employed a laboratory-based experimental method following SNI procedures. Two concrete mixtures were tested: a standard mix designed for a compressive strength (fc') of 21.7 MPa and a second mix enhanced with additives, targeting an fc' of 45 MPa. Results indicated that both mixtures failed to achieve their designed strengths. The standard mix only reached an average compressive strength of 18.15 MPa, while the additive-enhanced mix achieved 28.79 MPa. Furthermore, in flexural strength tests on concrete beams, both configurations exhibited excessive deflection, surpassing the maximum limits allowed by SNI. The beam without additives deflected 4.635 mm under a 1500 Kg maximum load, and the additive-enhanced beam deflected 6.145 mm under a 2100 Kg maximum load. These findings conclude that despite enhancement with additives, the Bundubela aggregate is unsuitable for structural concrete applications that must comply with current SNI requirements. This highlights a critical challenge in reconciling the use of local materials with stringent national construction codes, pointing to the need for material modification or specific-standard development
Pengawasan Rehabilitasi Saluran Air Jalan Cimedang Kota Blitar Yurnalisdel, Yurnalisdel; Pandulu, Galih Damar; Sa'dillah, M.; Wijaya, Handika Setya; Ningrum, Diana
JAST : Jurnal Aplikasi Sains dan Teknologi Vol 9, No 1 (2025): EDISI JUNI 2025
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/jast.v9i1.7217

Abstract

An effective strategy to improve the drainage system on Cimedang Street by integrating local expertise and resources can reduce the negative impacts of rainwater accumulation. A collaborative approach from local government, universities, and communities is actively involved in building effective drainage solutions in Bendo Village. The targeted community service activity is supervising the rehabilitation of the Cimedang Street drainage channel. The supervision results illustrate that the implementation of the Cimedang Street Drainage Channel Rehabilitation is ahead of schedule, which is completed in the seventh week with a cumulative realization of 100% of the cumulative planned weight of 42.33%. Testing of materials such as concrete and aggregates shows results that meet technical specifications and test results with concrete compressive strength of 3 samples with a compressive force of 495.9-530.4 KN with a cylinder compressive strength of 28.06-30.01 MPa. This activity results in an adequate acceleration of time realization of 57.67% and concrete compressive strength test results of20 MPa.ABSTRAKStrategi yang efektif dalam peningkatan sistem saluran air di jalan Cimedang melalui penggabungan keahlian dan sumber daya lokal dapat mengurangi dampak buruk dari akumulasi air hujan. Pendekatan kolaboratif dari pemerintah daerah, perguruan tinggi dan masyarakat yang secara aktif terlibat untuk membangun solusi saluran air yang efektif di kelurahan Bendo. Kegiatan pelayanan masyarakat yang ditargetkan adalah pengawasan rehabilitasi saluran air jalan Cimedang. Hasil pengawasan menggambarkan pelaksanaan Rehabilitasi Saluran Air Jl. Cimedang lebih cepat dari jadwal yaitu selesai pada minggu ke 7 dengan kumulatif relisasi bobot 100% dari Komulatif bobot rencana sebesar 42,33%. Pengujian material seperti beton dan agregat menunjukkan hasil yang memenuhi spesifikasi teknis dan hasil uji dengan kekuatan tekan beton 3 sampel dengan gaya tekan 495,9-530,4 KN dengan kuat tekan silinder 28,06-30,01 Mpa. Kegiatan ini menghasilkan efektifitas percepatan realisasi waktu sebesar 57,67% dan hasil uji kuat tekan beton yang 20 Mpa.
Pemanfaatan Serat Spanduk Bekas Sebagai Bahan Tambahan Pada Campuran Beton Setya Wijaya, Handika; Ningrum, Diana; Damar Pandulu, Galih; De Deus, Jeronimo; Valiant, Raymond
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.2484

Abstract

The banner will be taken down after the permit expires, leaving only a pile of trash in its place. This study investigates the compressive strength and tensile strength of concrete through the addition of banner fiber waste in concrete mixtures with various percentages, namely 0%, 1%, 3%, and 5%. The method used is an experiment in a quantitative research approach. The test specimens made in this experiment are concrete cylinders. The results of the study on the variation of plastic banner waste addition in the form of rectangular pieces and percentage variations of 0%, 1%, 3%, and 5% yielded an average compressive strength of 0% (normal concrete) of 18.284 MPa. The addition of 1% plastic banner waste resulted in an average compressive strength of 15.338 MPa. The average compressive strength was 13.947 MPa with the addition of 3% plastic banner waste. And with the addition of 5% plastic banner fiber waste, the average compressive strength value was 5,420 MPa. Thus, it can be concluded that concrete with 0% plastic banner fiber waste (normal concrete) has a better compressive strength value compared to concrete with 1%, 3%, and 5% plastic banner fiber waste.
KOMPOSISI MIKROPLASTIK PADA ORGAN SARDINELLA LEMURU YANG DIDARATKAN DI PELABUHAN SENDANGBIRU, MALANG Yona, Defri; Harlyan, Ledhyane Ika; Fuad, M.Arif Zainul; Prananto, Yuniar Ponco; Ningrum, Diana; Evitantri, Mangesti Reza
JFMR (Journal of Fisheries and Marine Research) Vol. 5 No. 3 (2021): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.03.20

Abstract

Mikroplastik sebagai hasil degradasi sampah plastik besar telah mencemari lingkungan perairan. Mikroplastik di perairan ini berpotensi untuk terakumulasi dalam tubuh organisme termasuk ikan. Penelitian ini bertujuan untuk menganalisis dan membandingkan mikroplastik pada insang, saluran pencernaan dan daging ikan lemuru (Sardinella lemuru) yang didaratkan di Pelabuhan Sendangbiru, Malang. Pengumpulan sampel ikan dilakukan pada Bulan Maret 2020 dengan membeli  10 ekor ikan hasil tangkapan nelayan dengan kisaran ukuran 11−15 cm. Analisis laboratorium dilakukan mulai dari mengukur panjang (cm) dan berat (g) ikan, melakukan pembedahan masing- masing organ, destruksi bahan organik dan identifikasi mikroplastik menggunakan mikroskop. Destruksi bahan organik dilakukan dengan merendam sampel organ yang sebelumnya telah ditimbang berat basahnya menggunakan larutan H2O2 30 % dan Fe(II) 0.05 M. Sampel diinkubasi selama 24 jam hingga sampel beserta bahan organik hancur. Tiga jenis mikroplastik ditemukan di seluruh sampel organ ikan dengan dominansi jenis fiber (54 %), diikuti oleh fragmen (43 %) dan film (3 %). Keberadaan mikroplastik pada ikan dapat dikaitkan dengan keberadaan mikroplastik di perairan. Komposisi jenis mikroplastik  berbeda  untuk  setiap  organ.  Fragmen  ditemukan  paling  banyak  pada insang, sedangkan pada saluran pencernaan dan daging didominasi oleh jenis fiber. Film ditemukan dengan jumlah yang paling sedikit pada ketiga organ. Keberadaan mikroplastik pada insang dan saluran pencernaan berkaitan dengan interaksi langsung ikan dengan lingkungan melalui pernapasan dan proses makan, sedangkan mikroplastik pada daging karena adanya proses translokasi atau perpindahan antar organ
Co-Authors Lolo , Wilfridus Muri Adjib Karjanto Albertus Nahak Armin Naibaho Atsuhiko Isobe Benu, Ari Bianco , Ricardo Justino Damar Pandulu, Galih Danu Setia Wardana De Deus, Jeronimo Defri Yona Deri, Eusabius Ignasius Dora, Margaritha P.I Dyah Ajeng Pitaloka Elisabeth Van Evitantri, Mangesti Reza Fifi Damayanti Frank Rijkaard Mouwlaka, Enroe Fuad, M.Arif Zainul Galih Damar Pandulu Galih Damar Pandulu, Galih Damar Gungto, Benediktus Gusman S.W, Lalu Hamdisuryaman Siritoitet Isti Widodo, Isti Ledhyane Ika Harlyan LOSA, FLORIANUS IGNASIUS M Sa’dillah Mangesti Reza Evitantri Mochamad Arif Zainul Fuas Muhammad Ridwan Mukhlis Pribadi Nawir Rasidi Nawir Rasidi Nawir Rasidi PAPA, EDISTENIKSON ADI Pereira, Augusto Manuel Rasidi , Nawir Rosario, Domingos Seda, Victoria Setya Wijaya, Handika Setya, Handika Sugeng Utomo Takim Takim Umbu Lele, Ardinand Antonius Valiant, Raymond Virginia Soares Wijaya, Handika Setya Yerian Hamba Banju Yuniar Ponco Prananto Yurnalisdel Yurnalisdel, Yurnalisdel