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Antonius .
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Utilization of fermented rice straw as substitution of elephant grass in cow feed ., Antonius
Indonesian Journal of Animal and Veterinary Sciences Vol 14, No 4 (2009)
Publisher : Indonesian Animal Sciences Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.687 KB) | DOI: 10.14334/jitv.v14i4.306

Abstract

The objective of this research was to evaluate the use of fermented rice straw by probion on feed consumption, digestibility, daily gain and feed efficiency of Simmental cow. This study was carried out based on completely randomized design, with here dietary treatments and four replications for each treatment. The treatments were R1 (JP-15) = 40% elephant grass + 15% untreated rice straw + 45% concentrate; R2 (JPF-15) = 40% elephant grass + 15% fermented rice straw + 45% concentrate; and R3 (JPF-35) = 20% elephant grass + 35% fermented rice straw + 45% concentrate. Concentrate was given at around 08:00 while unfermented/fermented rice straw was given afterward at around 09:00. Chopped elephant grass was given twice a day at 11:00 and 16:00. Water was available through out the day. Observation was done for two months on feed consumption, digestibility, daily gain and feed efficiency. The results did not show significant differences on feed consumption, digestibility, daily gain and feed efficiency, except on digestibilities of cellulose and hemicelulose. The digestibilities of cellulose and hemicelulose of treatment R3 was higher than that of R1 and R2. It is concluded that fermented rice straw is suggested to be used as an alternative feed to substitute elephant grass in maintaining feed consumption, digestibility, daily gain and feed efficiency of Simmental cow. Key words: Probion, Cow, Rice Straw
The Utilization of Indigofera sp as the sole foliage in goat diets supplemented with high carbohydrate or high protein concentrates Ginting, Simon P; Krisnan, Rantan; Sirait, Juniar; ., Antonius
Indonesian Journal of Animal and Veterinary Sciences Vol 15, No 4 (2010)
Publisher : Indonesian Animal Sciences Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (77.464 KB) | DOI: 10.14334/jitv.v15i4.665

Abstract

Indigofera sp is a tree leguminous forage species known to be adaptable to the drought climate and saline soil and so it has potential as alternative feed resource to support the ruminant animal production. This study aimed to study the  responses of goats fed Indigofera sp as the sole foliages in their diets. Twenty male Boer x Kacang crossbred goats  (6 months of age;16 ± 2,1 kg BW) were randomly assigned to four dietary treatments containing fresh or wilted leaves of Indigifera sp. as the sole foliages and supplemented with high carbohydrate (HCC) or protein (HPC)concentrates. Consumable parts i.e. leaves and twigs of about 8 to 10 months of age of Indigofera sp. were harvested by hand plucking every day in the morning. The experiment was a 2 x 2 factorial design arranged in a completely randomized design. The ruminal pH ranged from 6.14-6.85 and were  not affected (P > 0.05) by wilting nor by the type of concentrates. Wilting did not affect (P > 0.05) the concentration of  ruminal NH3-N, but  it was significantly higher (P < 0.05) in HPC group (32.36-32.54 mg dL-1) than those in HCC group(17.94-23.57 mg dL-1). Total VFA concentration were not affected by wilting  nor by the type of concentrates  (P > 0.05). Goats in the HCC group,however,numerically have higher total VFA concentration (178.5-183.75 mmol L-1) than those in the HPC group (142.21-174.64 mmol L-1). The apparent digestibility coeficients  of DM, OM, CP and energy of the diet were not different (P > 0.05) when contained wilted or fresh Indigofera foliage.  Significant increases (P < 0.05)   in the DM and  OM, but not in the CP and energy  apparent digestibility coeficients were observed in the HPC goats. Dry matter intakes were not different (P > 0.05) among dietary treatments, but the ADG of goats in the HCC group (60-63 g d-1) were significantly lower (P < 0.05) than those  of goats in the HPC treatment (80-87 g d-1). Blood glucosa concentration was not affected by wilting nor by type of concentrates (P > 0.05).  BUN was not affected by wilting process, but providing high protein concentrates significantly (P < 0.05) increased the BUN concentration. It is concluded that foliage of Indigofera sp could be used as the sole forage in intensive production of goats. Wilting the foliage prior to feeding seemed to be unnecessary, since this process does not improve the animal productivity in term of daily gain and efficiency of feed utilization. Key Words: Indigofera sp, Supplements,  Ruminal Fermentation, Goats
PERILAKU DINAMIK STRUKTUR OPEN FRAME PADA BANGUNAN BETON BERTULANG DENGAN DINDING GESER Musrifin .; Antonius .; Sumirin .
Prosiding Seminar Nasional Inovasi Dalam Pengembangan SmartCity Vol 1, No 1 (2017)
Publisher : Prosiding Seminar Nasional Inovasi Dalam Pengembangan SmartCity

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Abstract

ABSTRAKSebagian besar wilayah di indonesia merupakan wilayah yang rawan gempa, yang memiliki resiko cukup besar dengan adanya gempa tersebut. Untuk dapat mereduksi gaya yang terjadi pada saat gempa terjadi, maka dalam struktur bangunan gedung bertingkat diberi pengaku vertikal atau biasa disebut dengan dinding geser ( shear wall ), guna untuk mereduksi defleksi horizontal yang diakibatkan oleh beban gempa tersebut. Analisis pengaruh drift yang terjadi pada bangunan gedung,serta daktilitas yang diberikan oleh gedung dengan  sistem dinding geser mengacu pada SNI 1726-2012, dengan menggunakan aplikasi komputer. Berdasarkan hasil analisis program, maka diantaranya : (1) Efektif dan efisien diperoleh pada 10 lantai, dimana masih dapat mempertahankan besaran dimensi sebelumnya baik balok dan kolom tanpa adanya perubahan dimensi, (2) Pada 8 lantai, drift maksimum diterima sumbu x sebesar 3,8445 cm yang terjadi di lantai 3, pada 10 lantai drift maksimum diterima sumbu x sebesar 4,8785 cm terjadi dilantai 4, pada 15 lantai drift maksimum diterima sumbu x sebesar 7,6725 cm terjadi dilantai 4, dan pada 20 lantai drift maksimum diterima sumbu x sebesar 7,2435 cm terjadi dilantai 8. (3) Pada 8 lantai, daktilitasnya sebesar R= 6,21, pada 10 lantai, daktilitasnya sebsar R= 8, pada 15 lantai, daktilitasnya sebesar R= 9, dan untuk 20 lantai, daktilitasnya sebsar R= 7,4 semua variabel masuk tahap SP-1 ( IO= Immediate Occupancy ). Kata Kunci : Daktilitas, Drift, Pushover Analisis, Sans Pro V5, Sap 2000 V16, dan SNI 1726-2012.
STUDI EKSPERIMENTAL SIFAT-SIFAT MEKANIK BETON NORMAL DENGAN MENGGUNAKAN VARIASI AGREGAT KASAR Mujahidin .; Antonius .; Prabowo Setiyawan
Prosiding Seminar Nasional Inovasi Dalam Pengembangan SmartCity Vol 1, No 1 (2017)
Publisher : Prosiding Seminar Nasional Inovasi Dalam Pengembangan SmartCity

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Abstract

ABSTRAKBeton terdiri dari 4 komponen dasar pembentuk beton yaitu campuran antara semen, agregat kasar, agregat halus  dan air. Untuk mengetahui dan mempelajari perilaku masing-masing bahan penyusun beton tersebut memerlukan pengetahuan bagaimana karakteristik bahan yang akan dibuat sebagai penyusun beton tersebut. Dalam penelitian ini ingin mengetahui sifat-sifat mekanik beton normal dengan menggunakan mix design beberapa jenis agregat kasar.Analisis data yang kami gunakan adalah analisa data secara kualitatif yaitu dengan menginterpretasi tabel-tabel, grafik-grafik, atau angka-angka yang ada kemudian melakukan uraian dan penafsiran. Dalam penelitian ini menggunakan sampel sebanyak 108 dengan menggunakan mutu beton K-250, dibuat  2 kelompok dan 5 jenis mix design sehingga dari hasil pengelompokkan tersebut dapat dengan mudah dibuat analsis hasilnya.Dari hasil penelitian benda uji beton mutu K-250 dapat disimpulkan bahwa agregat kasar yang ukuran gradasinya 1-2 mempunyai sifat-sifat mekanik yang hasil yang lebih baik daripada agregat kasar yang ukuran gradasinya 2-3 baik pada kuat tekan beton, modulus of rupture dan modulus elastisitas.Hasil benda uji beton berdasarkan sifat-sifat mekanik beton dapat disimpulkan bahwa:Ø Sampel F (25% kricak manual + 75% kricak pecah mesin) dengan agregat kasar ukuran 1-2 menghasilkan kuat tekan beton paling tinggi sebesar 276,66 Kg/cm2 dari standar rencana beton yang dibuat K. 250 Kg/cm2.Ø Sampel F (25% kricak manual + 75% kricak pecah mesin) dengan agregat kasar ukuran 1-2 menghasilkan modulus of rupture paling tinggi sebesar 15,91 Kg/cm2.Ø Sampel F (25% kricak manual + 75% kricak pecah mesin) dengan agregat kasar ukuran 1-2 menghasilkan modulus elastisitas  paling tinggi sebesar 15.944,80 Mpa. Kata kunci: Beton, benda uji, sifat-sifat mekanik beton normal
ANALISIS KEBERLANJUTAN PENGELOLAAN EKOWISATA EKOSISTEM HUTAN RAWA GAMBUT PADA KAWASAN TAMAN WISATA ALAM BANING Antonius .
Publikasi Informasi Pertanian Vol 14, No 27 (2018): Jurnal PIPER
Publisher : Universitas Kapuas Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51826/piper.v14i27.190

Abstract

Kawasan Taman Wisata Alam Baning merupakan ekosistem hutan rawa gambut yang tergolong rapuh, sehingga diperlukan pengelolaan yang penuh kehati-hatian. Sebagai kawasan konservasi, Taman Wisata Alam Baning mengalami permasalahan karena tekanan masyarakat sekitar, seperti penyerobotan kawasan dan pembuatan kanal/parit sekeliling kawasan. Terganggunya fungsi ekologis berimplikasi pada aspek sosial ekonomis karena menurunnya daya tarik kawasan sebagai objek wisata, sehingga diperlukan penanganan secara kelembagaan. Studi ini dilakukan untuk menganalisis status dan indeks keberlanjutan pengelolaan Taman Wisata Alam Baning berdasarkan dimensi sosial ekonomi, ekologi dan institusional/kelembagaan. Analisis menggunakan metode Multi Dimensional Scaling (MDS). Tujuan kedua adalah untuk menganalisis atribut yang mempengaruhi sensitivas indeks dan keberlanjutan status leverage. Hasil penelitian menunjukkan bahwa analisis dimensi sosial ekonomi, ekologi dan institusional/kelembagaan cukup berkelanjutan yakni berturut-turut sebesar 55,08%; 73,12% dan 51,42%.
The Utilization of Indigofera sp as the sole foliage in goat diets supplemented with high carbohydrate or high protein concentrates Simon P Ginting; Rantan Krisnan; Juniar Sirait; Antonius .
Jurnal Ilmu Ternak dan Veteriner Vol 15, No 4 (2010): DECEMBER 2010
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (77.464 KB) | DOI: 10.14334/jitv.v15i4.665

Abstract

Indigofera sp is a tree leguminous forage species known to be adaptable to the drought climate and saline soil and so it has potential as alternative feed resource to support the ruminant animal production. This study aimed to study the  responses of goats fed Indigofera sp as the sole foliages in their diets. Twenty male Boer x Kacang crossbred goats  (6 months of age;16 ± 2,1 kg BW) were randomly assigned to four dietary treatments containing fresh or wilted leaves of Indigifera sp. as the sole foliages and supplemented with high carbohydrate (HCC) or protein (HPC)concentrates. Consumable parts i.e. leaves and twigs of about 8 to 10 months of age of Indigofera sp. were harvested by hand plucking every day in the morning. The experiment was a 2 x 2 factorial design arranged in a completely randomized design. The ruminal pH ranged from 6.14-6.85 and were  not affected (P > 0.05) by wilting nor by the type of concentrates. Wilting did not affect (P > 0.05) the concentration of  ruminal NH3-N, but  it was significantly higher (P < 0.05) in HPC group (32.36-32.54 mg dL-1) than those in HCC group(17.94-23.57 mg dL-1). Total VFA concentration were not affected by wilting  nor by the type of concentrates  (P > 0.05). Goats in the HCC group,however,numerically have higher total VFA concentration (178.5-183.75 mmol L-1) than those in the HPC group (142.21-174.64 mmol L-1). The apparent digestibility coeficients  of DM, OM, CP and energy of the diet were not different (P > 0.05) when contained wilted or fresh Indigofera foliage.  Significant increases (P < 0.05)   in the DM and  OM, but not in the CP and energy  apparent digestibility coeficients were observed in the HPC goats. Dry matter intakes were not different (P > 0.05) among dietary treatments, but the ADG of goats in the HCC group (60-63 g d-1) were significantly lower (P < 0.05) than those  of goats in the HPC treatment (80-87 g d-1). Blood glucosa concentration was not affected by wilting nor by type of concentrates (P > 0.05).  BUN was not affected by wilting process, but providing high protein concentrates significantly (P < 0.05) increased the BUN concentration. It is concluded that foliage of Indigofera sp could be used as the sole forage in intensive production of goats. Wilting the foliage prior to feeding seemed to be unnecessary, since this process does not improve the animal productivity in term of daily gain and efficiency of feed utilization. Key Words: Indigofera sp, Supplements,  Ruminal Fermentation, Goats
Supplementation of inorganic and organic zinc mixtures in feed of Boerka goats fed by oil palm fronds Simon P. Ginting; Antonius .; Kiston Simanihuruk
Jurnal Ilmu Ternak dan Veteriner Vol 22, No 2 (2017): JUNE 2017
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.034 KB) | DOI: 10.14334/jitv.v22i2.1798

Abstract

Zinc is an element of many enzymes and hormones having very important physiological functions in the body so that it influences the production and reproduction of animals including the activity of the rumen microflora in degrading fiber in a diet. The aim of this study was to improve the performances of goats offered oil palm fronds based diets through the supplementation of 35 ppm of Zn in the form of inorganic (ZnO) and organic zinc (Zn-methionine). Thirty mature male crossing Boer x Kacang (Boerka) goats were divided into five groups and randomly allocated to one of the five feed treatments as follows: P1: complete feed based on the palm oil fronds (Control), P2: P1 + 35 ppm Zn (100% Zn0), P3: P1 + 35 ppm Zn (75% Zn0 + 25% Zn-methionine), P4: P1 + 35 ppm Zn (50% Zn0 + 50% Zn-methionine), P5: P1 + 35 ppm Zn (25% Zn0 + 75% Zn-methionine). The experiment was conducted in a Completely Randomized Design of six replications. Increasing the proportion of Zn methionine in the mixtures elevated feed consumption, and the highest feed intake was observed in goats received 75% Zn-methionine/25% ZnO. Daily body weight gains was only affected (P<0.05) by the 75% Zn-methionine/25% ZnO supplement. The concentration of Zn in the blood increased significantly (P<0.05) when Zn methionine was added and it increased steadily as the proportion of Zn methionine greater in the mixtures, but the VFA compositions of the rumen were not affected (P>0.05) by Zn supplementation. It is concluded that the performances of goat fed complete diets based on the oil palm fronds could be improved by supplementation of inorganic and organic Zn mixture.
Utilization of fermented rice straw as substitution of elephant grass in cow feed Antonius .
Jurnal Ilmu Ternak dan Veteriner Vol 14, No 4 (2009): DECEMBER 2009
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.687 KB) | DOI: 10.14334/jitv.v14i4.306

Abstract

The objective of this research was to evaluate the use of fermented rice straw by probion on feed consumption, digestibility, daily gain and feed efficiency of Simmental cow. This study was carried out based on completely randomized design, with here dietary treatments and four replications for each treatment. The treatments were R1 (JP-15) = 40% elephant grass + 15% untreated rice straw + 45% concentrate; R2 (JPF-15) = 40% elephant grass + 15% fermented rice straw + 45% concentrate; and R3 (JPF-35) = 20% elephant grass + 35% fermented rice straw + 45% concentrate. Concentrate was given at around 08:00 while unfermented/fermented rice straw was given afterward at around 09:00. Chopped elephant grass was given twice a day at 11:00 and 16:00. Water was available through out the day. Observation was done for two months on feed consumption, digestibility, daily gain and feed efficiency. The results did not show significant differences on feed consumption, digestibility, daily gain and feed efficiency, except on digestibilities of cellulose and hemicelulose. The digestibilities of cellulose and hemicelulose of treatment R3 was higher than that of R1 and R2. It is concluded that fermented rice straw is suggested to be used as an alternative feed to substitute elephant grass in maintaining feed consumption, digestibility, daily gain and feed efficiency of Simmental cow. Key words: Probion, Cow, Rice Straw
RE-DESIGN STRUKTUR BANGUNAN GEDUNG TAMAN BUDAYA RADEN SALEH DENGAN MODIFIKASI ATAP BENTUK LIMASAN MENJADI JOGLO Arya Dhani Prananta; Mohammad Kharis Aminuddin; Antonius .; Rinda Karlinasari
Jurnal Ilmiah Penelitian Mahasiswa Vol 2, No 1 (2023): Maret 2023
Publisher : Jurnal Ilmiah Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (377.229 KB)

Abstract

Indonesia merupakan salah satu negara yang dikenal sebagai salah satu negara yang memiliki keragaman budaya. Rumah adat di Indonesia memiliki bentuk dan arsitektur masing-masing daerah sesuai dengan budaya tradisional setempat. Ada banyak cara untuk membuat sebuah rumah terlihat unik dan menarik, salah satunya adalah dengan membawa sedikit keselarasan arsitektur pada Gedung ataupun rumah tinggal, yaitu dengan mencoba mengaplikasikan atap Joglo pada suatu Gedung atau rumah. Gedung pertunjukan seni direncanakan dengan menggunakan atap joglo menggunakan struktur baja dengan sistem Rangka Baja Pemikul Momen Khusus.Permodelan analisa struktur atas Gedung pertunjukan seni ini menggunakan software SAP2000v15. Untuk faktor beban dan faktor resistensi. Peraturan yang dipakai SNI 1729:2020, SNI 1726:2019, SNI 2847:2019, SNI 1727:2020. Berdasarkan hasil analisis yang dilakukan menggunakan SAP2000v15 mendapatkan hasil Perancangan atap menggunaka profil baja IWF 400 x 200 pada Kuda – Kuda utama pada atap dan Gording menggunakan Profil CNP 2 x 150 x 65 x 20 x 2,3. Pelat lantai didesain dengan ketebalan 200 serta penulangan pada pelat tipe 6 x 6 m digunakan D13- 100 mm dengan jumlah tulangan 10 tulangan serta momen nominal sebesar 41,7092 kN.m dan pelat tipe 6 x 6 m digunakan D13-100 mm dengan jumlah tulangan 10 tulangan. Kata kunci : Atap Joglo Gedung TBRS, Struktur Baja, SAP2000v15
Sistem Perkuatan Struktur menggunakan Carbon Fiber Reinforced Polymer (CFRP) Pada Gedung 4 Lantai Rizky Bayu Saputra; Antonius .; Muhamad Rusli Ahyar
Jurnal Ilmiah Penelitian Mahasiswa Vol 2, No 1 (2023): Maret 2023
Publisher : Jurnal Ilmiah Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (501.944 KB)

Abstract

Tugas akhir ini mengkaji kelayakan struktur gedung perkantoran 4 lantai dengan kerusakan lentur dan geser pada bagian struktur komponen kolom dan balok tertentu. Salah satu cara untuk meningkatkan kapasitas struktur adalah dengan menggunakan CFRP (Carbon Fiber Reinforced Polymer). CFRP adalah bahan komposit terdiri dari serat dan resin yang diaplikasikan untuk menutupi struktur yang mengalami kegagalan. Perhitungan Analisa struktur tanpa perkuatan dengan ETABS V18 dimodelkan dengan pembebanan 3D sesuai SNI 1727:2020. Kemudian menganalisa bagian struktur yang rusak yang nantinya akan diperkuat. Berdasarkan hasil yang diperoleh, terdapat kegagalan geser pada balok dan aksial serta momen pada kolom dan balok. Setelah bagian struktur yang mengalami kegagalan ditutupi dengan CFRP HM-60 dengan ketebalan 0,333 mm, 2 lapis kolom dan 2 lapis balok, kekuatan struktural meningkat dengan dimensi, mutu beton dan baja yang sama. Kata kunci: CFRP; kegagalan struktur; komposit; Retrofitting.
Co-Authors Aji, Bagus Bima Arya Dhani Prananta Jati, Safiq Kurnia Juniar Sirait Juniar Sirait Kiston Simanihuruk Mohammad Kharis Aminuddin Muhamad Rusli Ahyar Mujahidin . Musrifin . Prabowo Setiyawan Purnomo, Wisnu Aji Santo Rantan Krisnan Rinda Karlinasari Rizky Bayu Saputra Ruslani, Firlan Simon P Ginting Simon P. Ginting Sulistyo, Juny Andry Sumirin .