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All Journal Media Teknik Sipil Semesta Teknika Teknisia Jurnal Riset Rekayasa Sipil Prosiding Seminar Nasional Program Pengabdian Masyarakat
Fadillawaty Saleh
Universitas Muhammadiyah Yogyakarta
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Environmental Science Medicine & Pharmacology Social Sciences

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KUAT TEKAN BETON AWAL TINGGI DENGAN VARIASI PENAMBAHAN SUPERPLASTICIZER DAN SILICA FUME Hakas Prayuda; Fadillawaty Saleh
Media Teknik Sipil Vol. 17 No. 1 (2019): Februari
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jmts.v17i1.5951

Abstract

Concrete is one of the construction materials of combination between cement, fine aggregate, coarse aggregate, and water mixed into one solid mass. The work of concrete making can be added a mineral additive as well as chemical additive (admixture) for the interest in construction work. In some cases construction work is desirable for concrete to produce optimum strength during the early age of the concrete so that the timing of concreting work can be shortened. The strength of concrete at the early age can be increased with added mineral (additive) and chemical (admixture) materials. This research made a mixture of concrete with 7 variations of mixture with total specimen 54 sample of cylindrical size with diameter 15 cm and height 30 cm. Tests conducted in the form of testing workability and compressive strength of concrete at the age of 3 days, 7 days and 28 days. Through this study obtained the right composition to make concrete with a high early age of compressive strength.
Pengaruh Penambahan Pecahan Kaca Sebagai Bahan Pengganti Agregat Halus dan Penambahan Fiber Optik Terhadap Kuat Tekan Beton Serat Muhammad Nur Ikhsan; Hakas Prayuda; Fadillawaty Saleh
Semesta Teknika Vol 19, No 2 (2016): NOVEMBER 2016
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v19i2.2037

Abstract

Fibre concrete is an innovation of normal concrete to special concrete to be stronger withstands the tensile force. Fibre concrete consists of cement, water, fine aggregate, coarse aggregate and additional fibre materials. The addition of fibre is expected to reduce the segragation and prevent cracks of the concrete. In this research used additional glass fracture with variation of 15%, 20%, 25% to the weight of the fine aggregate as well as additional of optic fibre of 0,15% of the concrete’s weight. Their compressive strength was examined at the age of 28 days. The result is gained by adding 15% of glass fracture 24,94 MPa with modulus of elasticity 23471,8 MPa, addition of 20% gained the result of compressive strength by 25,48 MPa with modulus of elasticity 23724,5 MPa, meanwhile by adding glass fracture 25% gained the result of compressive strength 25,77 MPa with modulus of elasticity 23859,2 Mpa.
Pengaruh Variasi Bahan Tambah Abu Sekam Padi dan Zat Adiktif Bestmittel 0,5% Terhadap Kuat Tekan Beton Mutu Tinggi Yoga Nugraha; Hakas Prayuda; Fadillawaty Saleh
Semesta Teknika Vol 20, No 2 (2017): NOVEMBER 2017
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v20i2.3172

Abstract

Concrete is the mixture of portland cement or hidrolyc cement, fine aggregate, coarse aggregate and water with or without additional mixture to form solid mass. The use of cement makes the concrete price more expensive, so an innovation is needed which to be use natural additive, such as rice husk ash. This research was carried by decreasing the use of cement that was replaced by rice husk ash with the variation 5%, 10%, and 15%, and 0.5% additive material (bestmittel) of the cement. Cylinder samples with the diameter of 15 cm and heigth of 30 cm were tested at the age of 28 days. The result of this research shows that the compresssive strength of the concrete was affected by the additional of rice husk ash (RHA) and additive material (bestmittel), which decrease the compressive strength every additional rice husk ash. The use of rice husk ash and bestmittel on the concrete for 3 variation which were 5 % ; 10% ; and 15% with the additive (bestmittel) 0.5%  obtained compressive strength were 32,23MPa; 31,84MPa and 27,71MPa.
EVALUASI KONDISI LINGKUNGAN DAN SARANA PENYELAMATAN PADA GEDUNG PERKULIAHAN TERHADAP BAHAYA KEBAKARAN Fadillawaty Saleh; Sinta Rizky Amalia; Hakas Prayuda; Lilis Tiyani; Bella Lutfiani Al Zakina
TEKNISIA Vol. XXVI, No. 1, Mei 2021
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol26.iss1.art4

Abstract

Many aspects must be considered in the building's design so that the construction is sturdy and can be used according to its function. An important aspect that is often overlooked is the aspect of fire safety. This study aims to evaluate environmental conditions and safety facilities in buildings against fire hazards. The buildings reviewed are the Postgraduate Building, E6, E7, and F3 of the Muhammadiyah University of Yogyakarta. The research method used in this research is a qualitative approach, and the primary data is obtained by direct observation in the field and interviews with the person in charge of the building. This study indicates that the environmental conditions of the postgraduate building, E6, E7, and F3, are not in good condition because each building gets a condition value of 51.67%; 50.56%; 52.22%; and 50%. The rescue facilities in the postgraduate building, E6, and E7 are good; although there are some shortcomings, the value of the condition of each building is 85.98%, 87.41%, and 87.41%. The rescue facility in the F3 building is quite good, with a condition value of 65.81%.
PEMBUATAN FASILITAS WUDU PADA MUSALA DI DUKUH BUTUH KIDUL RT 01, SEDAYU Fanny Monika; Fadillawaty Saleh; Martyana Dwi Cahyati; Yunita Furi Aristyasari; Hakas Prayuda
Prosiding Seminar Nasional Program Pengabdian Masyarakat 2020: 11. Teknologi Informasi dalam Pemberdayaan Masyarakat
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (817.497 KB) | DOI: 10.18196/ppm.311.252

Abstract

Mitra pada program pengabdian ini adalah masyarakat Dukuh Butuh Kidul, Sedayu, Bantul, Yogyakarta. Masalah yang dialami mitra yaitu tidak tersedianya fasilitas wudu pada musala, sehingga warga harus berwudu di rumah warga yang berada di sekitar Musala. Sebagai pusat ibadah khususnya salat, maka Musala terkait dengan permasalahan syarat sahnya salat antara lain berwudu dan suci dari najis sehingga diperlukan jaminan sahnya wudu para jamaah serta kesucian musala. Maka dari itu, dalam program Pengabdian Kepada Masyarakat yang dibiayai oleh LP3M UMY Tahun 2019/2020 kami bersama dengan Mahasiswa Himpunan Sipil (HMS) UMY melaksanakan pengabdian masyarakat berupa pembangunan fasilitas wudu dan toilet pada Musala Dukuh Butuh Kidul. Metode yang digunakan dalam pembangunan tempat wudu dan musala ini mengacu pada panduan pembangunan perumahan dan permukiman perdesaan yang dikeluarkan oleh Kementrian Pekerjaan Umum dan Perumahan Rakyat. Karena adanya keterbatasan dana hibah pengabdian maka program yang telah dilaksanakan dalam pengabdian ini yaitu berupa pembuatan fondasi, sloof, dan kolom. Untuk tindak lanjut pada periode pengabdian yang akan datang akan dilaksanakan pekerjaan dinding, lantai, atap, sanitasi, dan plumbing.
PENGARUH CKS SEBAGAI PENGGANTI AGREGAT PADA KUAT TEKAN BETON Ahmad Zaki; Titis Yoga Pratama; Candra Agung Wibisono; Fadillawaty Saleh
Jurnal Riset Rekayasa Sipil Vol 6, No 2 (2023): Maret 2023
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (429.799 KB) | DOI: 10.20961/jrrs.v6i2.69039

Abstract

Concrete with oil palm shells (OPS) is an innovative alternative to normal concrete, which is increasingly expensive. In addition, reducing palm-based waste is the objective, one of which is waste that is no longer used in the form of palm shells. Therefore, OPS concrete can also be called green or environmentally friendly concrete. Thus, OPS concrete research becomes very important so that the effect of percentage (%) OPS on the compressive strength of concrete can be analyzed. A specimen in the form of a cylinder was used in this study. Such cylinders have dimensions with a diameter of 75 mm and a height of 150 mm. And the specimen consists of 5 variations of the specimen in the form of the percentage of OPS used, namely 0%, 10%, 20%, 30%, and 40% of the weight of the coarse aggregate (stone or gravel). Each specimen will be tested for compressive strength at concrete lifespans of 7, 14, and 28 days. In this study, the variation of oil palm shells with a percentage of 10% was the optimum value of compressive strength obtained. Compressive strength will decrease in concrete with a percentage above 10%. This happens because the increasing composition of OPS causes the concrete mixture's low workability so that the concrete's compressive strength value becomes lower.
Co-Authors Ahmad Zaki Aristyasari, Yunita Furi Bella Lutfiani Al Zakina Candra Agung Wibisono Hakas Prayuda Lilis Tiyani Martyana Dwi Cahyati Monika, Fanny Muhammad Nur Ikhsan Sinta Rizky Amalia Titis Yoga Pratama Yoga Nugraha