Bambang Endroyo
Jurusan Ilmu Kesehatan Masyarakat, Fakultas Ilmu Keolahragaan, Universitas Negeri Semarang

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Optimization Analysis of The Strength Capacity and The Economic Value Comparison of Castellated Steel Beam and Its Equivalent IWF Beam Budi, Listiyono; Widodo, Aris; Haryadi, Bambang; Endroyo, Bambang; Wicaksono, Dimas; Subagio, Triono
Jurnal Teknik Sipil dan Perencanaan Vol 23, No 2 (2021): Jurnal Teknik Sipil dan Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v23i2.31942

Abstract

The research is aimed to figure out the comparison of the strength capacity and economic value comparison of castellated steel beam to its equivalent IWF beam. The profile of the castellated steel beam in this study included all profiles of castellated steel beam on the market based on the products catalog of the castellated steel beam from PT. Gunung Garuda. The finite element method was used in this study with the aid from Abaqus program to get a comparison of the strength capacity of castellated steel beam to its equivalent IWF beam. The next stage next involved the calculation of a comparison of the economic value of the castellated steel beam with hexagonal holes with to its equivalent IWF beam. The results of the study showed that the castellated steel beam experienced an increase in the strength capacity of 1,189 up to 2,330 times compared to its equivalent IWF beam. The comparison of the strength capacity between the castellated steel beam and its equivalent IWF beam is at 1,010 up to 1,539. Based on the combination between the comparison of strength capacity and the economic value, there are 14 (58.33%) profiles of the castellated steel beam which is categorized as efficient in terms of the design of the structure and cost, there are four (16.67%) profiles of the castellated steel beam which is categorized as efficient in terms of the design of the structure but not efficient in terms of cost, and there are 6 (25.00%) profiles of the castellated steel beam which is categorized as inefficient in terms of the design of the structure and cost. The results of this study indicate that the castellated steel beam can replace its equivalent IWF beam. Selection of profile of the castellated steel beam is appropriate to provide efficiency in terms of weight of the structure between 58.5% to 15.1% and can provide efficiency in terms of cost of between 48.4% to 0.9%.
PENGEMBANGAN E-BOOK PEMBELAJARAN BERBASIS SCIENTIFIC KOMPETENSI KEAHLIAN DASAR TEKNOLOGI MENJAHIT UNTUK SMK PAKET KEAHLIAN TATA BUSANA Nurmalia, Muizzah Atvi; Syamwil, Rodia; Endroyo, Bambang
JESS (Journal of Educational Social Studies) Vol 5 No 1 (2016): Juni 2016
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jess.v5i1.13096

Abstract

E-book adalah buku digital yang di dalamnya terdapat materi macam-macam saku, gambar langkah kerja proses pembuatan saku, video proses pembuatan saku disertai suara narasi langkah pembuatan saku, terdapat posttest teori dan progam yang telah dikembangkan dengan adobe flash CS 6 yang akan di publish dalam bentuk application berformat EXE. Metode penelitian yang digunakan adalah pengembangan atau dikenal dengan metode Research and Development. Tahapan dalam proses penelitian ini adalah tahap analisis, desain, pengembangan, implementasi, dan pengujian. Pengujian yang dilakukan berupa validasi yang dilakukan oleh expert judgement atau ahli media dan materi, kemudian media di uji coba oleh peserta didik. Hasil penelitian ini e-book yang dikembangkan dinyatakan valid dan layak menurut penilaian pakar atau ahli media, e-book yang dikembangkan efektif meningkatkan hasil belajar, e-book yang dikembangkan memiliki nilai kepraktisan dengan kategori baik. Saran dalam penelitian ini adalah penelitian ini disarankan untuk digunakan dalam pembelajaran praktek, e-book pembelajaran berbasis scientific dapat diadaptasi untuk mengembangkan kompetensi keahlian lainnya sebagai sumber belajar tambahan.
Development of E-Modules Building Drawings with Autocad for Construction and Property Business Department Students of SMK N 1 Blora Alfian, Muhammad Habib; Qudus, Nur; Endroyo, Bambang
Journal of Vocational and Career Education Vol 6, No 1 (2021): July 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jvce.v6i1.33961

Abstract

Vocational High School (SMK) is one part of the national education system with a strategic role to educate the nation's life. Students are an essential pillar of the nation's next generation, so they must increase their creativity in the learning process to hone their abilities and produce outputs or graduates ready to face challenges in the 21st Century. Choosing the right learning media can improve learning outcomes significantly between those given treatments to students of class XI BKP 3 and those who are not given treatment to students of class XI BKP 1 in SMK Negeri 1 Blora school year 2020/2021. This research aims to develop an E-module for Building Drawing Materials with AutoCAD Applications based on files Electronic Publication (EPUB) to improve student learning outcomes. This study uses research and development methods or R D. The design chosen is ADDIE, which includes five stages: Analysis, Design, Development, Implementation, and Evaluation. The research uses various instruments, namely (1) a feasibility assessment sheet for e-modules; (2) an e-module practicality questionnaire; and (3) a questionnaire on the effectiveness of the e-module to measure student learning outcomes in class XI BKP 3 and XI BKP 1 at SMK Negeri 1 Blora. The data analysis used is (1) definite to determine the feasibility level of the e-module; (2) Guttman's categorization to determine the level of practicality of e-modules, using the coefficients Kr and Ks; and (3) N-Gain and different N-Gain tests using t-test, to determine the effectiveness of the e-module on student learning outcomes. Based on the feasibility test of the Building Drawing e-module with AutoCAD file-based Electronic Publication (EPUB) developed, according to the responses of media experts and material experts obtained, the e-module response criteria is very feasible. Responses from teachers and students as user responses to the practicality test of the e-module got very applicable assessment criteria. And from the effectiveness test in the experimental class, the e-module received influential and significant standards for improving student learning outcomes in the cognitive and psychomotor aspects. In contrast, in learning outcomes in the affective part, the e-module was not adequate for enhancing student learning outcomes in class XI BKP in SMK N1 Blora.
Optimization Analysis of The Strength Capacity and The Economic Value Comparison of Castellated Steel Beam and Its Equivalent IWF Beam Budi, Listiyono; Widodo, Aris; Haryadi, Bambang; Endroyo, Bambang; Wicaksono, Dimas; Subagio, Triono
Jurnal Teknik Sipil dan Perencanaan Vol 23, No 2 (2021)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v23i2.31942

Abstract

The research is aimed to figure out the comparison of the strength capacity and economic value comparison of castellated steel beam to its equivalent IWF beam. The profile of the castellated steel beam in this study included all profiles of castellated steel beam on the market based on the products catalog of the castellated steel beam from PT. Gunung Garuda. The finite element method was used in this study with the aid from Abaqus program to get a comparison of the strength capacity of castellated steel beam to its equivalent IWF beam. The next stage next involved the calculation of a comparison of the economic value of the castellated steel beam with hexagonal holes with to its equivalent IWF beam. The results of the study showed that the castellated steel beam experienced an increase in the strength capacity of 1,189 up to 2,330 times compared to its equivalent IWF beam. The comparison of the strength capacity between the castellated steel beam and its equivalent IWF beam is at 1,010 up to 1,539. Based on the combination between the comparison of strength capacity and the economic value, there are 14 (58.33%) profiles of the castellated steel beam which is categorized as efficient in terms of the design of the structure and cost, there are four (16.67%) profiles of the castellated steel beam which is categorized as efficient in terms of the design of the structure but not efficient in terms of cost, and there are 6 (25.00%) profiles of the castellated steel beam which is categorized as inefficient in terms of the design of the structure and cost. The results of this study indicate that the castellated steel beam can replace its equivalent IWF beam. Selection of profile of the castellated steel beam is appropriate to provide efficiency in terms of weight of the structure between 58.5% to 15.1% and can provide efficiency in terms of cost of between 48.4% to 0.9%.
ANALISIS FAKTOR-FAKTOR PENYEBAB KECELAKAAN KERJA KONSTRUKSI Endroyo, Bambang; Tugino, .
Jurnal Teknik Sipil dan Perencanaan Vol 9, No 1 (2007): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v9i1.6918

Abstract

Since two decades later, accident rate in construction work has been higher than the rate in any other industry. Referring to that, attention to the safety  must be improved to depress the accident rate. The effort to find out an accident causation needs complete understanding about how and why the accident happened. Therefore, it is very important both to develop the theory of accident causation and to do research in the field. Regarding the old theory,  occupational accident is an effect of a poor worker action. The new theory pointed that the accident caused by organizational and management factors. Therefore, till now, the development of theory about construction safety still relevant to be studied. The studies may regard to: (1) organizational/ management, that is participation the owner, designer, and contractor in  accident mitigation and  (2) time/phase of the project, from conception to execution, even demolition. Here in after, the results of the case study  to the accidents would be a valuable knowledge’s which very useful for  construction accident mitigation.Sejak dua dasawarsa terakhir ini, angka kecelakaan kerja konstruksi masih selalu lebih tinggi dibanding sektor industri lainnya. Oleh karena itu, perhatian akan keselamatan harus  ditingkatkan untuk lebih menekan angka kecelakaan. Usaha untuk menemukan faktor-faktor penyebab kecelakaan konstruksi memerlukan pemahaman yang lengkap tentang bagaimana dan mengapa peristiwa seperti itu  terjadi. Untuk itu diperlukan pengembangan teori-teori penyebab kecelakaan dan penelitian-penelitian lapangan yang lebih mendalam. Teori lama mengatakan bahwa kecelakaan kerja diakibatkan oleh tindakan pekerja yang buruk. Teori baru menunjuk bahwa kecelakaan kerja bersumber kepada faktor-faktor organisasi dan manajemen. Oleh karena itu, sampai saat ini pengembangan teori tentang keselamatan kerja konstruksi masih sangat relevan untuk dikaji. Pengkajian/pengembangan yang dilakukan dapat berkenaan dengan: (1) organisasi/ manajemen, yaitu partisipasi owner, perencana dan kontraktor dalam pencegahan kecelakaan, dan (2) waktu/tahapan proyek, yaitu sejak konsepsi sampai ke pelaksanaan, bahkan  pembongkaran (demolition). Akhirnya, hasil-hasil studi kasus terhadap kecelakaan-kecelakaan dapat  menjadi suatu pengetahuan yang sangat berguna bagi pencegahan kecelakaan konstruksi selanjutnya.
KESELAMATAN KONSTRUKSI: KONSEPSI DAN REGULASI Endroyo, Bambang
Jurnal Teknik Sipil dan Perencanaan Vol 11, No 2 (2009): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v11i2.1725

Abstract

Accident rate in Indonesia, specially at construction sector, was very bad. Therefore,seriuosly action for the minimization of construction accident must be done. In the year of 2009,Department of Public Work have theme: "Going to Indonesia Construction with quality byEmphasizing a Occupational Safety and Health". The expected target is the recovery ofconstruction safety in I
FAKTOR-FAKTOR YANG BERPERAN TERHADAP PENINGKATAN SIKAP KESELAMATAN DAN KESEHATAN KERJA (K3) PARA PELAKU JASA KONSTRUKSI DI SEMARANG Endroyo, Bambang
Jurnal Teknik Sipil dan Perencanaan Vol 12, No 2 (2010): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v12i2.1344

Abstract

Abstract:  Implementation  of Occupational Health  and Safety  (K3),  especially  in  the  construction sector was still bad. K3  in  Indonesia  is have  the  lowest  rank  in Asean. Various efforts have been made by government  to reduce occupational accidents  to a minimum as possible. Accidents often occur were mostly caused by human  factors,   about 85%. Construction Safety  Implementation  in the field depends on the attitude and the behavioral of the participant of construction services. The attitude of K3 depends on many factors, among others - which will be studied through this research - are: education, experience, certification, and corporate commitment. From  these various  factors, educational  factors  correlated  0.30  (significance:  0.048)  contribute  to  attitude  of  K3  ,  and  was another  factor  correlations  were  not  significant.  All  these  factors  have  only  to  give  efectif contribution about  to 0.213  (21.3%) of  the attitude  factor K3.  It means  that about of   78.7% hich can not be explained and is a problem to be studied again. Key words: attitude of K3, construction, participant of construction services   Abstrak:    Pelaksanaan  Keselamatan  dan  Kesehatan  Kerja  (K3)  terutama  di  sektor  konstruksi masih memprihatinkan.  K3  di  Indonesia masih menduduki  urutan  terbawah  di  Asean.  Berbagai upaya  telah  dilakukan  oleh  pemerintah  untuk  menekan  kecelakaan  kerja  menjadi  se  minimal mungkin. Kecelakaan  yang  sering  terjadi banyak diakibatkan oleh  faktor manusia  (human  factor) yaitu  sebesar  85%.  Pelaksanaan  K3  Konstruksi  di  lapangan  sangat  tergantung  dari  sikap  dan perilaku  para pelaku  jasa  konstruksi. Sikap K3  sangat  tergantung  dari  banyak  faktor, antara  lain yang  akan  diungkap  melalui  penelitian  ini  adalah:  pendidikan,  pengalaman,  sertifikasi,  dan komitmen  perusahaan. Dari  berbagai  faktor  tersebut,  faktor  pendidikan mempunyai  korelasi  ,30 (signifikansi: 0,048)  terhadap sikap K3, sedang  faktor  lainnya korelasinya  tidak signifikan. Semua faktor  tersebut hanya memberi memiliki sumbangan efektif sebesar 0,213 (21,3%)  terhadap  faktor sikap  K3.    Hal  itu  menunjukkan  bahwa  masih  ada    78,7  %  yang  belum  dapat  dijelaskan  dan merupakan masalah yang masih harus diupayakan jawabnya. Kata kunci: sikap K3, konstruksi, pelaku jasa konstruksi
IPTEK BAGI MASYARAKAT (IBM) DUSUN LEBARI DAN DUSUN KRAJAN UNTUK PENGELOLAAN AIR BUANGAN RUMAH TANGGA Siwiendrayanti, Arum; Pawenang, Eram Tunggul; Endroyo, Bambang
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 13, No 1 (2015): Juli 2015
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v13i1.5600

Abstract

Domestic wastewater of Lebari Sub-village and Krajan Sub-village was disposed so unproperly that it overflowed onto surroundings. When the met garbage and livestock manure, it would attract flies and mice; and also contaminate the surrounding water. Pawenang (2010) riset showed that the spring water which flowed into Jaro River and Sronto River did not meet the bacteriological qualification because it had 1.100/100ml and 2.400/100ml total coliform number, whereas the limit was 10/100ml. Public Health Centre data showed that diarea always on the top three. Both non-physical and physical efforts were needed. The physical effort was done by building a comunal wastewater treatment. The non-physical efford was done with education about wastewater management and wastewater treatment maintenace. The public education increased knowladge rate of 83.3% mothers participants and 90% fathers participants. It had been already built 2 units of domestic wastewater treatment which covered 60 houses. It had been formed a wastewater superintendent forum which was well observed be properly able to manage and to maintain the wastewater treatment units.
IPTEK BAGI MASYARAKAT (IBM) DUSUN LEBARI DAN DUSUN KRAJAN UNTUK PENGELOLAAN AIR BUANGAN RUMAH TANGGA Siwiendrayanti, Arum; Pawenang, Eram Tunggul; Endroyo, Bambang
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 13, No 1 (2015): Juli 2015
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v13i1.5591

Abstract

Domestic wastewater of Lebari Sub-village and Krajan Sub-village was disposed so unproperly that it overflowed onto surroundings. When the met garbage and livestock manure, it would attract flies and mice; and also contaminate the surrounding water. Pawenang (2010) riset showed that the spring water which flowed into Jaro River and Sronto River did not meet the bacteriological qualification because it had 1.100/100ml and 2.400/100ml total coliform number, whereas the limit was 10/100ml. Public Health Centre data showed that diarea always on the top three. Both non-physical and physical efforts were needed. The physical effort was done by building a comunal wastewater treatment. The non-physical efford was done with education about wastewater management and wastewater treatment maintenace. The public education increased knowladge rate of 83.3% mothers participants and 90% fathers participants. It had been already built 2 units of domestic wastewater treatment which covered 60 houses. It had been formed a wastewater superintendent forum which was well observed be properly able to manage and to maintain the wastewater treatment units.