Retnowati Setioningsih - Academia.edu (original) (raw)

Papers by Retnowati Setioningsih

Research paper thumbnail of Earthquake hazard preparedness index of Muhammadiyah school community in Tirtonirmolo Village

INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS: ICMEMS2022

Research paper thumbnail of The Effect of Admixture on Mortar in 3D Printing Technology

Abstract. Mortar is made from a mixture of sand, cement and water. In order to obtain good extrud... more 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, pozzola

Research paper thumbnail of Pengaruh Pasir Besi Sebagai Substitusi Agregat Halus Dengan Bahan Tambah Bestmitell Terhadap Kuat Tekan Dan Porositas Beton

Research paper thumbnail of Pengukuran dan Pelatihan Kesiapsiagaan Komunitas Sekolah Dasar Muhammadiyah Banyuraden terhadap Bencana Gempa Bumi

Journal of Dedicators Community, 2021

The earthquake that occurred during school hours requires the school community to have a high lev... more The earthquake that occurred during school hours requires the school community to have a high level of preparedness so as not to fall victim and loss a lot. This activity aims to measure the level of preparedness against the threat of earthquake disasters and provide earthquake disaster preparedness training to the Muhammadiyah Banyuraden Elementary School community. The method used was a survey using a questionnaire, analysis of survey results based on the UNSESCO framework, namely knowledge of earthquake disasters, policies and guidelines, emergency response plans, and resource mobilization. The analysis showed that the community preparedness level of SD Muhammadiyah Banyuraden was at a moderate level with a total preparedness index of 55.8. The lowest preparedness index is in the policy and guideline parameters. The results of the survey and analysis carried out resulted in preparedness strengthening activities carried out to increase the preparedness index, namely the formation ...

Research paper thumbnail of Pengaruh Penggunaan Bahan Lokal Pesisir Pantai Parangtritis Yogyakarta Terhadap Kuat Tekan Beton

KURVATEK, 2019

Research on the use of local coastal materials in Parangtritis Yogyakarta in the manufacture of c... more Research on the use of local coastal materials in Parangtritis Yogyakarta in the manufacture of concrete, is based on its availability in a very large amount of nature. The local materials used are beach sand and "fresh water" obtained from the coast of Parangtritis in Yogyakarta.This study aims to determine the compressive strength of concrete using local materials on the coast of Parangtritis without special treatment.The specimens used were cylindrical with a diameter of 150 mm and height of 300 mm as many as 66 pieces, the study was also controlled using normal concrete using Merapi sand in Yogyakarta. The planned compressive strength is 30 MPa and testing is done at 28 days.From the research, the maximum compressive strength of normal concrete (PM100 PP0 Alab) averaged 31, 066 MPa and specimens using "fresh water" around the coast of Parangtritis (PM100 PP0 Apantai) obtained the average compressive strength of the test object was 30,703 MPa. Keywords: coasta...

Research paper thumbnail of Pengaruh Penggantian Sebagian Semen Dengan Limbah Abu Vulkanik Terhadap Kuat Tekan Beton SCC

KURVATEK, 2018

Dalam abu vulkanik dan semen unsur kimia yang paling utama adalah silica. Dibeberapa negara abu ... more Dalam abu vulkanik dan semen unsur kimia yang paling utama adalah silica. Dibeberapa negara abu vulkanik sering dijadikan bahan campuran untuk membuat semen dan material beton. Beton banyak dipakai sebagai bahan bangunan, namun dalam proses pengecoran sering mengalami kendala dikarenakan jarak tulangan yang terlalu rapat. Salah satu perkembangan teknologi beton adalah beton Self Compacting Concrete (beton SCC).Tulisan ini membahas pemanfaatan abu vulkanik untuk aplikasi beton SCC. Uji eksperimental dilakukan untuk mengetahui pengaruh abu vulkanik di beton SCC, yang digunakan dengan penambahan dan penggantian parsial mulai dari 0% sampai dengan 10% berdasarkan berat bahan semen. Pengujian kuat tekan dilakukan dengan menggunakan tiga spesimen silinder standar untuk setiap data. Hasil pengujian menunjukkan bahwa abu vulkanik dapat memperbaiki kuat tekan beton SCC dengan metode penambahan dan penggantian semen dengan dosis optimum 5% berat semen.Kata kunci : abu vulkanik, semen, mate...

Research paper thumbnail of Earthquake hazard preparedness index of Muhammadiyah school community in Tirtonirmolo Village

INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS: ICMEMS2022

Research paper thumbnail of The Effect of Admixture on Mortar in 3D Printing Technology

Abstract. Mortar is made from a mixture of sand, cement and water. In order to obtain good extrud... more 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, pozzola

Research paper thumbnail of Pengaruh Pasir Besi Sebagai Substitusi Agregat Halus Dengan Bahan Tambah Bestmitell Terhadap Kuat Tekan Dan Porositas Beton

Research paper thumbnail of Pengukuran dan Pelatihan Kesiapsiagaan Komunitas Sekolah Dasar Muhammadiyah Banyuraden terhadap Bencana Gempa Bumi

Journal of Dedicators Community, 2021

The earthquake that occurred during school hours requires the school community to have a high lev... more The earthquake that occurred during school hours requires the school community to have a high level of preparedness so as not to fall victim and loss a lot. This activity aims to measure the level of preparedness against the threat of earthquake disasters and provide earthquake disaster preparedness training to the Muhammadiyah Banyuraden Elementary School community. The method used was a survey using a questionnaire, analysis of survey results based on the UNSESCO framework, namely knowledge of earthquake disasters, policies and guidelines, emergency response plans, and resource mobilization. The analysis showed that the community preparedness level of SD Muhammadiyah Banyuraden was at a moderate level with a total preparedness index of 55.8. The lowest preparedness index is in the policy and guideline parameters. The results of the survey and analysis carried out resulted in preparedness strengthening activities carried out to increase the preparedness index, namely the formation ...

Research paper thumbnail of Pengaruh Penggunaan Bahan Lokal Pesisir Pantai Parangtritis Yogyakarta Terhadap Kuat Tekan Beton

KURVATEK, 2019

Research on the use of local coastal materials in Parangtritis Yogyakarta in the manufacture of c... more Research on the use of local coastal materials in Parangtritis Yogyakarta in the manufacture of concrete, is based on its availability in a very large amount of nature. The local materials used are beach sand and "fresh water" obtained from the coast of Parangtritis in Yogyakarta.This study aims to determine the compressive strength of concrete using local materials on the coast of Parangtritis without special treatment.The specimens used were cylindrical with a diameter of 150 mm and height of 300 mm as many as 66 pieces, the study was also controlled using normal concrete using Merapi sand in Yogyakarta. The planned compressive strength is 30 MPa and testing is done at 28 days.From the research, the maximum compressive strength of normal concrete (PM100 PP0 Alab) averaged 31, 066 MPa and specimens using "fresh water" around the coast of Parangtritis (PM100 PP0 Apantai) obtained the average compressive strength of the test object was 30,703 MPa. Keywords: coasta...

Research paper thumbnail of Pengaruh Penggantian Sebagian Semen Dengan Limbah Abu Vulkanik Terhadap Kuat Tekan Beton SCC

KURVATEK, 2018

Dalam abu vulkanik dan semen unsur kimia yang paling utama adalah silica. Dibeberapa negara abu ... more Dalam abu vulkanik dan semen unsur kimia yang paling utama adalah silica. Dibeberapa negara abu vulkanik sering dijadikan bahan campuran untuk membuat semen dan material beton. Beton banyak dipakai sebagai bahan bangunan, namun dalam proses pengecoran sering mengalami kendala dikarenakan jarak tulangan yang terlalu rapat. Salah satu perkembangan teknologi beton adalah beton Self Compacting Concrete (beton SCC).Tulisan ini membahas pemanfaatan abu vulkanik untuk aplikasi beton SCC. Uji eksperimental dilakukan untuk mengetahui pengaruh abu vulkanik di beton SCC, yang digunakan dengan penambahan dan penggantian parsial mulai dari 0% sampai dengan 10% berdasarkan berat bahan semen. Pengujian kuat tekan dilakukan dengan menggunakan tiga spesimen silinder standar untuk setiap data. Hasil pengujian menunjukkan bahwa abu vulkanik dapat memperbaiki kuat tekan beton SCC dengan metode penambahan dan penggantian semen dengan dosis optimum 5% berat semen.Kata kunci : abu vulkanik, semen, mate...