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All Journal Teras Jurnal Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan Journal of the Civil Engineering Forum Aceh International Journal of Science and Technology Electronic Journal of Education, Social Economics and Technology Equivalent: Jurnal Ilmiah Sosial Teknik Jurnal Teknik Sipil Journal of The Civil Engineering Student
Hasan, Muttaqin
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Journal : Teras Jurnal

 1 
TEGANGAN DAN REGANGAN DINAMIS PERKERASAN SEMI FLEKSIBEL DENGAN MODIFIKASI REOLOGI ASPAL DAN SUBSTITUSI ZIOLIT PADA SEMEN MORTAR Hamzani, Hamzani; Munirwansyah, Munirwansyah; Sugiarto, Sugiarto; Hasan, Muttaqin
Teras Jurnal : Jurnal Teknik Sipil Vol. 11 No. 1 (2021): Maret 2021
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v11i1.405

Abstract

Abstrak Ketahanan struktur perkerasan akibat timbulnya tegangan dan regangan menyebabkan retak awal saat terjadinya deformasi permanent sehingga kegagalan perkerasan akibat kelelahan umur tidak dihindarkan. Fenomena tersebut dapat dikurangi dengan perkerasan yang memiliki cukup kekakuan, kelenturan. Modifikasi material dilakukan untuk meningkatkan nilai kekakuan dan kelenturan campuran dengan menggunakan jenis campuran,gradasi, dan modifikasi aspal yang tepat sebagai usaha pengembangan campuran perkerasan beraspal. Tujuan dari penelitian ini  mempelajari tegangan dan regangan tarik campuran PSF  terhadap beban berulang dengan tambahan WTR dan menggunakan ziolit alam sebagai pengganti sebagian semen untuk mortar yang dinjeksi ke dalam rongga aspal porous. Desain campuran aspal berpori dimulai dengan penentuan proporsi aspal optimal dengan agregat bergradasi terbuka sebagaimana ditentukan dalam sepesifikasi (AAPA) 2004. Uji Marshall dilakukan untuk mengetahui spesifikasi yang disyaratkan dan dilanjutkan dengan uji specimen yang telah diinjeksi mortar semen dengan pengujian lentur metode pembebanan empat titik untuk evaluasi tegangan dan regangan tarik. Nilai tegangan dan regangan dinamis dianalisis pada setiap variasi ziolit dalam mortar semen. Substitusi ziolit alam pada semen mortar dapat mempengaruhi tegangan dan regangan dinamis campuran PSF, di mana semakin besar komposisi ziolit dalam semen mortar nilai tegangan dan regangan yang dihasilkan semakin tinggi. Kata kunci: perkerasan semi-fleksibel, ziolit alam, reologi aspal, tegangan dan regangan, beban dinamis  Abstract The resistance of the pavement structure due to the consequence of stress and strain causes the initial reset when the occurrence of permanent deformation so that pavement failure due to age is avoided. This phenomenon can be reduced by a pavement that has sufficient stiffness and flexibility. Material modification is carried out to increase the value of the stiffness and flexibility of the mixture by using the right type of mixture, gradation, and asphalt modification as an effort to develop an asphalt pavement mixture. The purpose of this study was to study the stress and tensile strain of the semi-flexible pavement (SFP) mixture against repeated loads with the addition of rubber tire waste (WTR) and to use natural zeolite as a part of cement for mortar injected into the porous asphalt cavity. The design of a porous asphalt mixture begins with the determination of the optimal proportion of asphalt with an open grade aggregate specified in the Asphalt Pavement Association Australia (AAPA) 2004.Marshall test is carried out to see the required specifications and test specimens that have been injected with cement with a four-point loading bending method test for stress evaluation and tensile strain. The values of dynamic stress and strain were analyzed for each variation of ziolite in cement mortar. Substitution of natural ziolite in cement mortar can affect the dynamic stress and strain of the PSF mixture, where the greater the ziolite composition in cement mortar, the higher the resulting stress and strain. Keywords: Pavement semi-flexible, natural zeolite, asphalt rheology, dynamic stress and strain  
Perkuatan Seismik Struktur Gedung Berlantai Tujuh Menggunakan Sistem Bresing Baja Setiawan, Alhadi; Hasan, Muttaqin; Saidi, Taufiq
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.v13i1.857

Abstract

Abstrak Struktur Gedung BSI Cut Mutia Banda Aceh mengalami beberapa retakan pada balok dan kolom akibat gempa sehingga memerlukan suatu perkuatan dengan menganalisis struktur menggunakan metode pushover untuk mengetahui gaya geser dan displacement maksimum yang mampu ditahan oleh struktur pada kondisi eksisting maupun setelah diperkuat menggunakan bresing dan level kinerja serta mekanisme sendi plastis maupun simpangan antar lantai. Untuk pengembangan kurva kerapuhan digunakan metode Incremental Dynamic Analysis (IDA) untuk melihat tingkat probabilitas kerusakan struktur dari 10 rekaman gempa. Data yang diperlukan yaitu gambar perencanaan awal, mutu baja, mutu beton dan dimodelkan menggunakan software SAP2000, dilakukan analisis statis beban mati dan beban hidup serta analisis dinamis. Hasil penelitian menunjukkan profil bresing baja IWF 150x150x10x7 memenuhi keamanan untuk sistem perkuatan. Simpangan antar lantai menggunakan bresing lebih kecil dari pada kondisi eksisting serta evaluasi displacement dan drift ratio dari data riwayat gempa lebih rentan terhadap beban gempa Simeulue 1 dengan nilai PGA 1,281 g. Kata kunci: Perkuatan Seismik, Pushover, Time History, IDA, Kurva Kerapuhan  Abstract The structure of the BSI Cut Mutia Banda Aceh Building has several cracks in the beams and columns due to the earthquake, so it requires strengthening by analyzing the structure using the pushover method to determine the maximum shear and displacement forces that the structure can withstand in the existing conditions and after being strengthened using braces and performance levels as well as the mechanism of plastic hinges and drift between floors. The development of the fragility curve uses the Incremental Dynamic Analysis (IDA) method to show the probability level of structural damage from 10 recorded earthquakes. The data needed are initial planning drawings, steel quality, concrete quality and modeled using SAP2000 software, static analysis of dead and live loads and dynamic analysis is carried out. The results showed that the steel bracing profile IWF 150x150x10x7 met safety for reinforcement systems. The deviation between floors using braces is smaller than the existing conditions and the displacement and drift ratio evaluation from historical earthquake data is more susceptible to the Simeulue 1 earthquake load with a PGA value of 1.281 g. Keywords: Seismic Strengthening, Pushover, Time History, IDA, Fragility Curve.
Co-Authors abdi, aufar Abdullah Abdullah Achmad, Ashfa Al-Bakri, Nazira Suha Alfiansyah Yulianur BC Amalia*, Zahra Amna, Khirul Arief Panjaitan Bambang Setiawan Edhi, Sarwo Fonna, Syarizal Fu, Li Haiqal, Muhammad Hamzani Hamzani Hanafi, Muhammad Fujii Husaini Husaini Indradewa, Rhian Juellyan, Juellyan Maharani, Eva Ayudya Mahlil, Mahlil Mochammad Afifuddin Mubarak, Azzaki Muhammad Azhari Muhammad Imran Muhammad JAMIL Munirwansyah Munirwansyah Nurrizki, Syari Putri Winda Nurwijayanti Panjaitan*, Arief Purwandy Hasibuan, Purwandy Rachman, Aulia Rudiansyah Putra Sagala, Vreslisawati Setiawan, Alhadi Setya Primaulia, R. Adhi Shimizu, Masaru Sugiarto S Sukamto, Ika Sumiyarsi Surya Bermansyah, Surya Taufiq Saidi Yulia Hayati, Yulia Yusputri, Rafiqa Muhnita Zahra Amalia