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The Effect of Admixture on Mortar in 3D Printing Technology Setioningsih, Retnowati
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 2, No 1 (2021)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v2i1.9131

Abstract

Abstract. Mortar is made from a mixture of sand, cement and water. In order to obtain good extrude results for the application of 3D printing technology, in this research, mortar was added with admixture materials. There are two types of admixture in mortar, those are chemical admixture and pozzolan admixture. The highest compressive strength was obtained from Mortar+Pozzolan of 37.5 MPa, while the best flowtable and the best results from the extrude of 3D printing machine was Mortar+Chemical+Pozzolan. Keywords: mortar, extrude, chemical, pozzolan
MENYIAPKAN SEKOLAH SIAGA BENCANA GEMPA DI SEKOLAH DASAR NEGERI KANOMAN Restu Faizah; Fanny Monika; Retnowati Setioningsih; Kharisma Wira Nindhita; Herlambang Naufal Seno Nugroho
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 6, No 2 (2023): martabe : jurnal pengabdian kepada masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v6i2.373-378

Abstract

Terjadinya gempa bumi hingga kini belum bisa diprediksi, sehingga masyarakat harus siaga menghadapi gempa, terutama bagi masyarakat yang tinggal di daerah rawan gempa. Program sekolah siaga bencana bertujuan mempersiapkan komunitas sekolah agar memiliki kesiapsiagaan yang tinggi, sehingga apabila gempabumi terjadi pada saat jam sekolah, kerusakan dan kerugian akibat gempa dapat diminimalisir. Kegiatan pengabdian ini bertujuan untuk meningkatkan kesiapsiagaan siswa SDN Kanoman dalam rangka menyiapkan terwujudnya Sekolah Siaga Bencana. Kegiatan berupa pendidikan kebencanaan pada siswa yang dilaksanakan pada tanggal 18 Maret 2022 di SDN Kanoman yang terletak di desa Kanoman Kecamatan Gamping Sleman. Peserta kegiatan ini adalah seluruh siswa kelas V yang berjumlah 29 orang, dengan didampingi guru dan kepala sekolah. Pendidikan kebencanaan diberikan dengan metode workshop, yang menggabungkan antara ceramah dan permainan untuk mengenalkan cara-cara penyelamatan diri ketika ada gempa. Dari kuosioner prestest dan postest yang disebarkan kepada peserta, diketahui bahwa kegiatan pengabdian ini dapat meningkatkan pemahaman rata-rata siswa tentang bencana gempa sebesar 6 - 34%, pemahaman kerawanan lokasi sebesar 69%, dan kesiapsiagaan bencana gempa sebesar 10 - 41%. Hasil evaluasi yang dilakukan oleh tim pengabdian dengan siswa dan guru, menyimpulkan bahwa kegiatan pengabdian sangat bermanfaat dan fihak sekolah mengharapkan kegiatan dapat dialakukan kembali pada masa mendatang.
The Effect of Admixture on Mortar in 3D Printing Technology Setioningsih, Retnowati
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 2, No 1 (2021)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v2i1.9131

Abstract

Abstract. Mortar is made from a mixture of sand, cement and water. In order to obtain good extrude results for the application of 3D printing technology, in this research, mortar was added with admixture materials. There are two types of admixture in mortar, those are chemical admixture and pozzolan admixture. The highest compressive strength was obtained from Mortar+Pozzolan of 37.5 MPa, while the best flowtable and the best results from the extrude of 3D printing machine was Mortar+Chemical+Pozzolan. Keywords: mortar, extrude, chemical, pozzolan
ANALISIS STRUKTUR ATAS GEDUNG 11 LANTAI DENGAN SISTEM RANGKA PEMIKUL MOMEN KHUSUS MENGGUNAKAN ETABS V22 : (Studi kasus : Pembangunan Gedung Onkologi RSUP Dr. Soeradji Tirtonegoro, Klaten, Jawa Tengah – Program Magang MBKM 2-2025) Ramadhani, Ananda Ivan; Setioningsih, Retnowati; Zulaicha, Lilis
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6153

Abstract

The construction of the Oncology Service Center Building of RSUP Dr. Soeradji Tirtonegoro Klaten is motivated by the need to improve access, quality, and capacity of cancer healthcare services in Central Java through the provision of modern and integrated facilities as a comprehensive oncology referral center for diagnosis, therapy, and patient care. The building is designed as an 11-story structure employing a reinforced concrete moment-resisting frame system combined with shear walls as the primary lateral load–resisting elements, and utilizing a Special Moment Resisting Frame (SMRF) system to achieve high ductility and adequate seismic resistance, considering that Klaten is located in a seismically active region. This study aims to analyze the superstructure of the building using ETABS V22 in accordance with SNI 1726:2019 for seismic design, SNI 1727:2020 for minimum design loads, and SNI 2847:2019 for structural concrete requirements. The structural model includes columns, beams, and slabs, with gravity loads, wind loads, and seismic loads applied, where seismic actions are evaluated using the response spectrum method. The analysis results indicate that the internal forces, bending moments, shear forces, and axial forces in the structural elements remain within the design capacity limits. Furthermore, the evaluation of deflections and inter-story drift demonstrates compliance with the allowable limits, and the P–Delta effects are found to be within acceptable ranges. Overall, the structural system satisfies the requirements for strength, stiffness, global stability, and seismic performance in accordance with the applicable design standards.