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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL BANGUN REKAPRIMA AGREGAT Adi Widya : Jurnal Pengabdian Masyarakat Journal of Green Science and Technology Surya Beton : Jurnal Ilmu Teknik Sipil Journal of Green Science and Technology
M. Afif Shulhan
Universitas Sarjanawiyata Tamansiswa
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Social Sciences Transportation Other

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Experimental Study Of Installation Of Non Centric Light Steel C Profile On Light Steel Beam Frame Ardani, Anggun Febri; Sulistiyorini, Dewi; Shulhan, M Afif
Journal of Green Science and Technology Vol 3, No 2 (2019): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY
Publisher : FAKULTAS TEKNNIK UNIVERSITAS SWADAYA GUNUNG JATI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v3i2.2383

Abstract

Light steel is one of materials that support the growth of construction technology at this time and it is generally used on roof truss contruction. The profile of light steel is a kind of steel profile which has dimension of thickness that is relatively thin with ratio of wide dimension of each profile element towards its huge thickness. In the assembling and installation, roof truss of light steel which is often encountered, cross section of C profile is connected by attaching body parts of two profiles or connecting wing parts with giving the connecting canal.This research uses the experimental method by flexural test with two points loading. The light steel which is used in this reserach is light steel of C profile by Ton Dong brand. The size is 75 x 35 x 0,75 mm andthe dimensions of beam frame specimenis 180 cm lengthand 25 cm hight, as many as 3 specimens with non centric profile overview. The research result shows that the average value of flexural strength is5,25 kNand the average of tensile strenght is 2281,67 N, while the result of experimental test uses UTM (Universal Testing Machine), the maximum strength is 5,92 kN and deflection 38,95 mm. The result of SAP 2000 analysis, the maximum deflection is 2,04 mm and 6 kN load.?Keywords : Light steel of C profile, Light steel beam frame, Test of flexural stength.
PERBANDINGAN KAPASITAS KOLOM DENGAN VARIASI BENTUK PENAMPANG (Studi Kasus Struktur Kolom Rumah Susun di Yogyakarta) Yuniva, Tika; Sulistyorini, Dewi; Shulhan, M Afif
Bangun Rekaprima: Majalah Ilmiah Pengembangan Rekayasa, Sosial dan Humaniora Vol 8, No 1, April (2022): Bangun Rekaprima
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (28.714 KB) | DOI: 10.32497/bangunrekaprima.v8i1, April.3536

Abstract

Kolom merupakan komponen struktur bangunan yang tugas utamanya menyangga beban asksial tekan vertikal. Menurut penelitian terdahulu, kolom dengan sengkang spiral memiliki kinerja terbaik dalam menahan beban dibandingkan kolom dengan sengkang persegi. Namun kenyataannya dilapangan kolom sengkang persegi adalah jenis kolom yang banyak digunakan karena pelaksanaanya mudah dilakukan. Penelitian ini berfokus pada ketiga jenis penampang kolom, yaitu penampang kolom bujur sangkar, lingkaran, dan persegi panjang dan struktur penampang kolom dianalisis berdasar SNI 2847-2019 sebagai Sistem Rangka Pemikul Momen Khusus (SRPMK). Dimensi kolom bujur sangkar 500 x 500 mm, kolom lingkaran diameter 564 mm dan kolom persegi dimensi 625 x 400 mm. Jumlah tulangan utama dan sengkang semua jenis penampang sama 24D19 dan sengkang D10-100. Hasil analisis selisih kapasitas penampang kolomantara metode SP Coloumn dengan manual dimana kolom lingkaran memiliki selisihøMnsebesar553.839,padakolom bujur sangkar memiliki selisih ø Mn sebesar 477.85, dan pada persegipanjang memiliki perbandingan selisih paling kecil sebesar ø Mn 327.48. Namun, jika dilihat selisih perbandingan pada ø Mn/Mu tidak jauh berbeda pada masing- masing kolom.
Analisis Kuat Lentur Balok Laminasi Lengkung dengan Perekat Epoxy Affan Annur Annaafi; Iskandar Yasin; M. Afif Shulhan
AGREGAT Vol 4, No 1 (2019)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (680.937 KB) | DOI: 10.30651/ag.v4i1.2819

Abstract

AbstractVery large needs for  woodhave an impact on the availability of wood which is decreasing every year, due to exploitation carried out on a large scale.Therefore it’s developed as a structure laminated components made by gluing several layers of wood or commonly called laminated beams or Glulam (Glued Laminated). This study used the experimental method by flexural test with one point loading. The dimensions of the object are 100 cm long, 2 cm wide, and by heigth variation 10 cm, 20 cm, 30 cm. Each variation used 3 specimens so there are 9 specimens. This specimens using epoxy adhesive. The results of the study showed that the flexural strength of the curved laminated beam with epoxy adhesive on an average load of 85.45 Kg and an average deflection of 23,510 mm. The result of laminated beam have maximum strength of 128.9 Kg with 17.27 mm deflection.Key words: Curved laminated beam, Flexural strength, deflection   AbstrakKebutuhan kayu yang sangat besar berdampak pada ketersediaan kayu yang semakin berkurang setiap tahunnya akibat eksploitasi yang dilakukan secara besar-besaran. Maka dari itu di kembangkanlah bentuk struktur komponen kayu laminasi yang dibuat melalui perekatan beberapa lapis kayu atau biasa disebut dengan balok laminasi atau Glulam (Glued Laminated). Penelitian ini menggunakan metode eksperimen dengan melakukan uji lentur dengan beban satu titik. Dimensi benda uji balok laminasi lengkung memiliki panjang 100 cm , lebar 2 cm dan variasi tinggi 10 cm, 20 cm ,30 cm. Masing-masing variasi sebanyak 3 benda uji sehingga ada 9 benda uji. Balok laminasi menggunakan perekat epoxy. Hasil penelitian menunjukan bahwa kuat lentur balok laminasi lengkung dengan perekat epoxy mampu menahan beban rata-rata sebesar 85,45 Kg dan lendutan rata-rata 23,510 mm. Hasil pengujian lenturbalok laminasi mempunyai kekuatan maksimum 128,9 kg dengan lendutan 17,27 mm.Kata kunci : Balok laminasi lengkung, kuat lentur, lendutan
PERBANDINGAN KAPASITAS KOLOM DENGAN VARIASI BENTUK PENAMPANG (Studi Kasus Struktur Kolom Rumah Susun di Yogyakarta) Tika Yuniva; Dewi Sulistyorini; M. Afif Shulhan
Bangun Rekaprima Vol 8, No 1 (2022): April 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.23 KB) | DOI: 10.32497/bangunrekaprima.v8i1.3554

Abstract

Kolom merupakan komponen struktur bangunan yang tugas utamanya menyangga beban asksial tekan vertikal. Menurut penelitian terdahulu, kolom dengan sengkang spiral memiliki kinerja terbaik dalam menahan beban dibandingkan kolom dengan sengkang persegi. Namun kenyataannya dilapangan kolom sengkang persegi adalah jenis kolom yang banyak digunakan karena pelaksanaanya mudah dilakukan. Penelitian ini berfokus pada ketiga jenis penampang kolom, yaitu penampang kolom bujur sangkar, lingkaran, dan persegi panjang dan struktur penampang kolom dianalisis berdasar SNI 2847-2019 sebagai Sistem Rangka Pemikul Momen Khusus (SRPMK). Dimensi kolom bujur sangkar 500 x 500 mm, kolom lingkaran diameter 564 mm dan kolom persegi dimensi 625 x 400 mm. Jumlah tulangan utama dan sengkang semua jenis penampang sama 24D19 dan sengkang D10-100. Hasil analisis selisih kapasitas penampang kolomantara metode SP Coloumn dengan manual dimana kolom lingkaran memiliki selisihøMnsebesar553.839,padakolom bujur sangkar memiliki selisih ø Mn sebesar 477.85, dan pada persegipanjang memiliki perbandingan selisih paling kecil sebesar ø Mn 327.48. Namun, jika dilihat selisih perbandingan pada ø Mn/Mu tidak jauh berbeda pada masing- masing kolom
LOW CARBON CONCRETE: CEMENT REPLACEMENT UTILIZING FLY ASH Dimas Langga Chandra Galuh; M Afif Shulhan; Iskandar Yasin; Sukiyono Sukiyono
Journal of Green Science and Technology Vol 6, No 1 (2022): VOL 6, NO 1 (2022): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY VOL. 6 NO. 1 MARCH 2
Publisher : FAKULTAS TEKNNIK UNIVERSITAS SWADAYA GUNUNG JATI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v6i1.6495

Abstract

Reducing the cement content in concrete is the need for environmental sustainability, as cement produces a significant carbon emission. This work aims to study the effect of partial replacement of the cement utilizing fly ash at the various percentage of substitution by investigating the physical characteristic of concrete ingredients, compressive testing at various curing age, workability, and material cost reduction. Fly ash used in this research is categorized as type F, which obtained from Jepara powerplant. Along with fly ash, ordinary pozzolan cement (OPC) from Semen Gresik used as binder material. The fine and coarse aggregates quarried consecutively from Magelang Regency and Kulon Progo Regency, Indonesia. All the constitutes being observed on specific gravity, gradation test, clay lumps content, and abrasion resistance. The job mix formula developed adopting Indonesian Standard based on the physical data obtained previously, resulting in five levels of cement replacement which is 0%, 15%,20%, 25%, and 30% compared to cementitious weight. Concrete cylinder specimen having 150 mm on the diameter and length of 300 mm, tested at various age (7,14, and 28 days) to obtained compressive strength and strength development during curing age. The current works remarks that all level of replacement obtained a good agreement with targeted compressive strength (25 MPa) at the age of 14 days. However, the more fly ash supplemented in the mixture, strength development possesses a slower rate and a slight declining on workability. Eventhough the slump value still comply with the requirement given by the Indonesian Standard.
Experimental Study Of Installation Of Non Centric Light Steel C Profile On Light Steel Beam Frame Anggun Febri Ardani; Dewi Sulistyorini; M Afif Shulhan
Journal of Green Science and Technology Vol 3, No 2 (2019): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY
Publisher : FAKULTAS TEKNNIK UNIVERSITAS SWADAYA GUNUNG JATI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v3i2.2383

Abstract

Light steel is one of materials that support the growth of construction technology at this time and it is generally used on roof truss contruction. The profile of light steel is a kind of steel profile which has dimension of thickness that is relatively thin with ratio of wide dimension of each profile element towards its huge thickness. In the assembling and installation, roof truss of light steel which is often encountered, cross section of C profile is connected by attaching body parts of two profiles or connecting wing parts with giving the connecting canal.This research uses the experimental method by flexural test with two points loading. The light steel which is used in this reserach is light steel of C profile by Ton Dong brand. The size is 75 x 35 x 0,75 mm andthe dimensions of beam frame specimenis 180 cm lengthand 25 cm hight, as many as 3 specimens with non centric profile overview. The research result shows that the average value of flexural strength is5,25 kNand the average of tensile strenght is 2281,67 N, while the result of experimental test uses UTM (Universal Testing Machine), the maximum strength is 5,92 kN and deflection 38,95 mm. The result of SAP 2000 analysis, the maximum deflection is 2,04 mm and 6 kN load. Keywords : Light steel of C profile, Light steel beam frame, Test of flexural stength.
DEVELOPMENT OF ECO-FRIENDLY MORTAR UTILIZING INDUSTRIAL WASTE M Afif Shulhan; Zainul Faizien Haza; Maris Setyo Nugroho
Journal of Green Science and Technology Vol 6, No 2 (2022): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY VOL.6 NO.2 SEPTEMBER 2022
Publisher : FAKULTAS TEKNNIK UNIVERSITAS SWADAYA GUNUNG JATI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v6i2.6890

Abstract

Introducing alternatives material on cement-based material manufacturing is the need for environmental sustainability due to the excessive mining of sand from quarry and river bed. At the same time, industrialization headed to an uncontrollable growth of waste. This fact encourages the researcher to enhance the utilization of recycled waste in construction practice. On one side, it affords a solution for waste management, and on the other hand, it contributes to an eco-friendly construction material that minimizes the environmental impact. This paper aims to investigate the usability of the iron waste obtained from the wrought iron industry, as natural fine aggregates replacement. In particular, it focused on studying the physical characteristic of waste aggregates and the effect of partial replacement of natural sand on mortar strength. Mortar cube specimen made with various levels of replacement (0%, 10%, 20% and 30 %) and also various cement-aggregates volumetric proportion, which are 1:3, 1:4, 1:5, 1:6, and 1:7. All of the measurement parameters are taken consecutively based on ASTM norms. The current work remarks that both waste aggregates and natural aggregates reveal complete fulfillment in the aggregate requirement of ASTM standard. Furthermore, the mortar cube test confirmed that the mortar passes the strength grade for N class and O class, which suitable for the above-grade and non-load bearing application.
Pengaruh Pasir Silica Pada Persentase 0%, 50% Dan 100% Terhadap Nilai Kuat Tekan Beton Frengky Bintang Pradana; Dewi Sulistyorini; M. Afif Shulhan
Surya Beton : Jurnal Ilmu Teknik Sipil Vol. 6 No. 2 (2022)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Muhammadiyah Purworejo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37729/suryabeton.v6i2.2445

Abstract

Perkembangan pembangunan infrastruktur di Indonesia semakin meningkat, sehingga kebutuhan material konstruksi juga ikut meningkat. Beton sebagai salah satu material konstruksi, memiliki berat sendiri yang cukup besar (2200 kg/m3) sehingga membutuhkan kuat tekan yang tinggi untuk memikul beban rencana dan berat sendiri. Inovasi untuk meningkatkan kuat tekan dilakukan pada penelitian ini dengan cara menambahkan pasir silica sebagai bahan campuran agregat halus dan pengganti pasir biasa pada beton dengan target f’c 25 MPa. Benda uji silinder dengan ukuran 150 x 300 mm dibuat dengan tiga variasi campuran (kontrol, silika 50%, dan silika 100%). Perawatan beton akan dilakukan selama 21 hari dengan cara perendaman pada air normal. Pengujian kuat tekan beton menunjukkan rerata kuat tekan beton normal sebesar 22.99 MPa, beton dengan 50% silika sebesar 26.03 MPa dan beton dengan 100% pasir silica mencapai rata-rata kuat tekan 23.16 Mpa.
Kajian Perilaku Lentur Balok Finger Jointed Laminated Board (FJLB) Kayu Karet (Hevea Brasiliensis) M. Afif Shulhan; Ali Awaludin; Maris Setyo Nugroho; Sherly Octavia
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 28, Nomor 2, DESEMBER 2022
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v28i2.45714

Abstract

This study is aimed to determine the flexural behavior of Rubberwood FJLB (finger jointed laminated board) beams as building structural components. It was carried out through experimental approach and numerical analysis on six specimens of FJLB beams having a cross-section of 100 mm by 150 mm and a length of 2850 mm. The experiment was consisted of small specimen tests (BS-373:1957) and four-point bending test (EN-408) with two different cross-sectional orientations (flatwise and edgewise). The numerical analysis was performed by conducting 2-D finite element analysis developed in MATLAB program based on plane stress assumption. It was found that the average flexural capacity of beams tested under edgewise orientation was 24.6 kN, which is higher than that of the beams tested under flatwise orientation, 19.7 kN. However, the flexural stress (modulus of rupture) of those beams was about the same. All the beams experienced brittle failure caused by glueline failure between laminas or at finger joints. The results of strain measurement at mid-span of the beams throughout the test showed that the FJLB beams failed within elastic response. This finding was confirmed by the numerical analysis results.
Sosialisasi Pemberdayaan Ekonomi Petani Dengan Metode Kerjasama Yang Menguntungkan Adia Adi Prabowo; Irfan Adi Nugroho; M. Afif Shulhan
Adi Widya : Jurnal Pengabdian Masyarakat Vol. 7 No. 1 (2023): Adi Widya: Jurnal Pengabdian Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v7i1.8630

Abstract

Empowerment of Farming Communities in Enhancing Rural Economic Development. This socialization aims to find out the extent of the role of Farmer Groups in increasing the empowerment of the farming community of Kulwaru Village, Wates District, Kulon Progo Regency and to know the Rights and Obligations of Owners and Cultivators.The main problem of the target audience is to find out how the behavior of the farmers in Kulwaru Village regarding financing and management and calculating the profits of rice farmers. As well as knowing how accounting and local wisdom in the profit-sharing system between the owner rice farmer and the cultivating rice farmer under the guise method. Based on the research, the results obtained from analyzing the results of experience and interviews with rice farmers in Kulwaru Village, Wates District, Kulon Progo Regency produced a form or model of profit sharing cooperation with the "mask" method. Owners and cultivators in a production sharing cooperation agreement are not carried out in writing, but verbally. In addition, owner farmers and sharecroppers also have different rights and obligations in managing rice fields.
Co-Authors Adia Adi Prabowo Affan Annur Annaafi Ali Awaludin Anggun Febri Ardani Ardani, Anggun Febri Dewi Sulistyorini Dewi Sulistyorini Dewi Sulistyorini, Dewi Dimas Langga Chandra Galuh Fahrizal Fitriono Frengky Bintang Pradana Irfan Adi Nugroho Iskandar Yasin Maris Setyo Nugroho Sherly Octavia Sukiyono Sukiyono Sulistiyorini, Dewi Tika Yuniva Yuniva, Tika Zainul Faizien Haza, Zainul Faizien