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Tuanakotta, Abraham
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IDENTIFIKASI KERUSAKAN BANGUNAN GEDUNG GEREJA JEMAAT GPM SOLA SCRIPTURA BANDA PASCA GEMPA DI DUSUN AMALATUEI NEGERO SULI KECAMATAN SALAHUTU KABUPATEN MALUKU TENGAH Pattiasina, Paulles Geovani; Roberth, Herry Henry; Tuanakotta, Abraham
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

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Abstract

Indonesia is in an area with quite high earthquake activity because this high level of activity can damage important facilities and infrastructure. After the earthquake on September 26 2019 with a magnitude of 68, it caused shaking in several areas in Maluku. The epicenter of the earthquake was located on Seram Island, causing a lot of damage to both infrastructures. Residents' houses and worship facilities, including the GPM Sola Suptura Banda Congregational Church Building, suffered quite severe damage, both structural and non-structural. The aim of writing this thesis is to obtain identification results based on the level of damage that occurred. In this research, a survey and direct inspection were carried out which will be analyzed or processed based on an assessment of the level of damage that occurred at the location. From the identification results, the overall level of damage to the building reached 74%, which means the condition of the building was completely damaged. The earthquake factors classified according to each structural component are structural damage to columns by 5%, beams by 16% and also damage to construction, roof by 4%, ceiling by 12%, walls by 19%, utilities by 7%, sexta finishing of 5%, which results in a weight percentage of the entire building being 74%, which means the condition of the building is in the Total Damaged (RT) category because it is 65%, according to Minister of Public Works Regulation No. 24/PRT/M/2008.
CAMPURAN KAPUR DALAM PEMBUATAN BATAKO ABU Sapulette, Denisa; Nanlohy, Ansye; Tuanakotta, Abraham
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i1.2068

Abstract

Brickstone is a material for building house walls made from cement, aggregate, and water. Brick stones are widely used in house construction as a substitute for bricks to speed up construction. Recently, many additional materials have been used as alternatives to reduce high construction costs. One way is using household materials, namely ash from burning, because they are easy to obtain. Therefore, the idea of ​​making bricks using a mixture of lime and burning ash is expected to produce bricks with better characteristics, with fine compressive strength by SNI. In this research, bricks were made with dimensions of 25 cm long, 13 cm wide, and 10 cm high. With a composition of 200 grams of lime, 1500 grams of ash, 1000 grams of sand, and 2000 grams of water. With a total of 3 test objects, the age of the test objects to be tested is 28 days. The average compressive strength test results of ash bricks for the 3 test objects were 8.7 kg/cm2. Following SNI 03-0349-1989 concerning physical requirements for bricks, the average compressive strength value for class IV is 25 kg/cm2. Based on these requirements, ash bricks mixed with lime do not meet SNI.
PENGGUNAAN PASAK PELEPAH SAGU SEBAGAI ALTERNATIF ALAT SAMBUNG PADA KONSTRUKSI KAYU Sawaluddin, Risky; Picauly, Fredy; Tuanakotta, Abraham
Journal Agregate Vol. 3 No. 2 (2024): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i2.2166

Abstract

Stakes have long been known as a joint tool in wooden construction made using wood that has high shear and bending resistance, because hardwood is starting to be scarce, so this test is carried out to find other alternative materials as a substitute for wooden pegs that have high resistance, knowing how much shear strength is obtained in sago frond pegs, and the influence of pegs with variations in wood thickness on the size of the shear strength. The research method used is experimental, which is an experimental method in which an experiment is carried out to obtain information about something being experimented. This research was carried out in the Laboratory of the Department of Civil Engineering, Ambon State Polytechnic, using sago fronds as a sample in the test. The data collection technique used is experimental on test objects. The results of the shear strength test obtained on the sago frond peg at the base width of 20 mm were obtained that the average shear strength was 40,103 MPa, the width of the 30 mm base was 44,821 MPa and the width of the 40 mm base was 47,652 MPa, so it can be concluded that the shear strength is affected by the size of the support, the larger the base the greater the shear force received.
Pengaruh Penambahan Abu Sekam Padi Terhadap Kuat Tekan Beton Hamkah, Hamkah; Alila, Alila; Tuanakotta, Abraham; Amahoru, Betheny
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 11, No 2 (2025): JURNAL TEKNIK SIPIL DAN TEKNOLOGI KONSTRUKSI
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jts-utu.v11i2.13646

Abstract

Agricultural waste is waste derived from agricultural production, such ash, produced from combustion, has high pozzolanic properties due to its silica content and can be founf in areas with extensive rice fields village, kairatu district, wets seram regency, maluku. the method used is an experimental method in the laboratory using a partial cement substutute in the form of rice husk ash with varying dosages of 0%, 5%, 10% and 15% of the amount of cement tested at the ages of 7 and 28 days. the results of the study found that there was a decrease in pressure strength. the more percentage of rice husk ash used, the more the compressive strength of concrete decreases compared to normal concrete 0% (19.1 mpa), concrete with asp 5% (15.3 mpa) decreases by 19.9%, concrete with asp 10% (13.0 mpa) decreases by 31.9%, and the decrease for concrete with asp 15% (12.1 mpa) is 36.6% of normal concrete and rice husk ash to the slump, which is an increase in slump value. the slump value on normal concrete is 7.5 cm, concrete with an asp of 5% (9.5 cm) experiences a percentage increase in slump value of 26.7%, concrete with an asp of 10% (10cm) of 33.3% and concrete with an asp of 15% (11 cm) experiences a percentage increase of 46.7% from normal concrete.
Co-Authors Alila, Alila Amahoru, Betheny Buatan, Usman hamkah, hamkah Hunihua, Clovdia Giovani Hutubessy, Vector Reinhard Redolf Latuapo, Aji Samad Lewakabessy, Godfried Matitaputty, Apri Adam Nanlohy, Ansye Pattiasina, Paulles Geovani Picauly, Fredy Roberth, Herry Henry Sahertian, Tommy Agustinus Saiselar, Jevon Febrian Sapulette, Denisa Sawaluddin, Risky Siahaya, Vera Th. C. Sinay, James Boy soumokil, Musper David Tasijawa, Sulfa Ima Tonny Sahusilawane