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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Abdi Masyarakat Indonesia KARYA: Jurnal Pengabdian Kepada Masyarakat Aptekmas : Jurnal Pengabdian Kepada Masyarakat
Wahyu Prasetyo
Politeknik Pekerjaan Umum
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Korelasi Klasifikasi Penutup Lahan dengan Debit Puncak di Daerah Aliran Sungai Sachro, Sri Sangkawati; Edhisono, Sutarto; Atmodjo, Pranoto Samto; Prasetyo, Wahyu
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 2, DESEMBER 2017
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (798.912 KB) | DOI: 10.14710/mkts.v23i2.16687

Abstract

Many studies have shown that land use changes in watersheds such as forests that convert to settlements, industrial and estates, have an impact on flooding. So it is important to know the correlation between the various land use changes to the discharge within a watershed. This study is a preliminary study in an attempt to assess the correlation between land cover index and peak discharge, with case studies in the Beringin River Basin.The peak discharge with the return period of 2, 5, 10, 20, 50 and 100 years are computed with HEC-HMS software, developed by Hydrologic Engineering Centre (HEC) and US Army Corps of Engineers which computes the runoff discharge from the precipitation. As for land covered index (LCI), it is defined as the sum of the land-use index (LUI). The result of the case study shows the strong correlation between the land covered index with the the runoff discharge with such relation : Q100 = -22.42LCI2 + 214.30LCI - 10.62, Q50 = -18.33LCI2 + 181.87LCI - 20.19, Q20 = -14.30LCI2 + 145.27LCI - 15.61, Q10 = -11.36LCI2 + 118.41LCI - 12.29, Q5 = -8.42LCI2 + 91.27LCI - 8.9 and Q2 = -4.44LCI2 + 53.54LCI - 4.5.
Pemanfaatan Sedimen Sungai Untuk Bahan Baku Unfired Bricks (Bata Tanpa Bakar) Didit Puji Riyanto; Suhardi -; Wahyu Prasetyo; Pranu Arisanto
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 9 No 2 (2021): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2021)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v9i2.2863

Abstract

The land use change in a watershed cause erosion resulting in sedimentation in river channels. Physically treatment of sedimentation requires a considerable cost, hence it is necessary to find another alternative treatment, i.e. by utilizing river sediment for building materials. Brick is a building material that is widely produced and used by the society. To provide solutions for sediment reduction, it is necessary to do a research on the utilization of river sediment for brick raw materials. In this study, the utilization of sediment into bricks was proposed in the form of Unfired Bricks. Raw sediment material will be mixed with cement and sand with a certain composition to increase the compression strength of brick in order to meet one of the SNI requirements, i.e. 15-2094-2000 or SNI 03-0349-1989. Results found that the addition of cement and sand treatment can increase the compressive strength of the brick up to 44,176 kg/cm² at the age of 14 days. However, the compression strength test results are still below the compression strength of Red Brick requirements in accordance with SNI 15-2094-2000 where the minimum compression strength of brick is 50 kg /cm², but it qualify for the compression Strength Concrete Brick SNI 03-0349-1989 for the quality level of grade III with a minimum of 40 kg / cm² and grade IV with a minimum of 25 kg / cm²
Pemanfaatan Air Hujan untuk Penanggulangan Banjir dan Kekeringan Kota Semarang Pranu Arisanto; Suhardi Suhardi; Wahyu Prasetyo; Didit Pujirianto; Daru Jaka Sasangka
Jurnal Abdi Masyarakat Indonesia Vol 3 No 2 (2023): JAMSI - Maret 2023
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jamsi.684

Abstract

Banjir dan kekeringan menjadi salah satu siklus bencana yang berulang dan terus menjadi permasalahan yang belum terpecahkan pada beberapa daerah. Berbagai faktor yang mendorong kondisi bencana tersebut berulang, salah satunya adalah ketidakseimbangan antara pemanfaatan dan ketersediaan. Alih fungsi lahan menjadi isu yang paling sering di gaungkan terkait menurunnya ketersedian air kususnya air tanah. Menurunnya daerah resapan dan hujan yang cenderung menjadi aliran permukaan menimbulkan siklus bencana kekeringan dan banjir terus berulang. Pemanfaatan air hujan dengan meresapkan kembali kedalam tanah agar ketersediaan di musim kering terjaga dan mengurangi aliran permukaan yang berpotensi menjadi banjir. Pengabdian masyarakat ini memberikan sosialisasi pada masyarakat, kususnya di daerah hulu yang sudah beralih fungsi untuk perumahan, dan Bersama-sama membuat biopori dilingkungan masyarakat tersebut. Dengan sosialisasi dan kegiatan pembuatan biopori bersama tersebut, masyarakat dilokasi pengabdian memberikan apresiasi positif dan berkomitmen untuk melanjutkan pembuatan biopori karena paham akan manfaatnya. Hasil pelaksanaan kegiatan membuat lobang biopori sebanyak 300 titik disertani pemberian alat berupa bor pembuatan lubang biopori.
BANTUAN AIR BERSIH, ALAT PEMANEN HUJAN DAN SOSIALISASI PEMANENAN HUJAN Pranu Arisanto; Suhardi Suhardi; Wahyu Prasetyo; Didit Pujirianto; Daru Jaka Sasangka
KARYA: Jurnal Pengabdian Kepada Masyarakat Vol 3 No 1 (2023): KARYA: Jurnal Pengabdian kepada Masyarakat
Publisher : FKIP Universitas Samawa

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kebutuhan air bersih untuk berbagai keperluan kususnya untuk konsumsi seringkali tidak dapat terpenuhi. Pemenuhan kebutuhan air secara umum dipenuhi dari pengelolaan air permukaan dan air tanah. Kondisi air permukaan secara umum tidak memenuhi kriteria sebagai air untuk konsumsi dan memerlukan pengolahan terlebih dahulu. Sedangkan dibeberapa tempat, air tanah cukup dalam sehingga kedua opsi tersebut memerlukan biaya yang besar. Pemanenam hujan menjadi salah satu alternatif untuk memecahkan masalah tersebut, kususnya pada musim penghujan yang melimpah airnya namun tidak dapat digunakan secara optimal. Pemanen hujan ini memanfaatkan air yang jatuh diatap yang kemudian ditampung. Pemanfaatan air ini dapat dilaksanakan dengan gaya gravitasi sehingga tidak memerlukan pompa dan kualitas air hujan yang relatif baik dapat digunakan tanpa melakukan pengolahan. Kegiatan ini juga diiringi dengan sosialisasi kepada masyarakat untuk meningkatkan pemahaman pemanenan hujan, agar kedepannya masyarakat dapat membuat alat pemanen hujan ini secara mandiri.
SOSIALISASI PENGELOLAAN BANJIR BANDANG BERBASIS MASYARAKAT DALAM MITIGASI BENCANA DI KABUPATEN CILACAP Wildan Herwindo; Ingerawi Sekaring Bumi; Wahyu Prasetyo; Syamsul Bahri; Tia Hetwisari
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 6 No 2 (2023): Aptekmas Volume 6 Nomor 2 2023
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/apts.v6i2.6550

Abstract

Limbangan Village is located at the Wanareja District, Cilacap Regency, Central Java. It is one of the areas prone to flash floods. Based on data, flash floods were recorded on 27 October 2021 which were caused by the overflow of the Cigeugeumeuh River and resulted in hundreds of houses and markets being damaged. Therefore, to reduce losses due to disasters that occur, especially flash floods in Limbangan Village, mitigation efforts are carried out in the form of socialization of community-based management of flash floods. Efforts to carry out community-based flood management in Cilacap Regency, were carried out through collaboration between the Public Works Polytechnic and Limbangan Village. The socialization of flood management in Limbangan Village uses concept of participatory rural community social approach or Participatory Rural Appraisal (PRA). At the end, community service activities in Cilacap Regency by the Public Works Polytechnic, Semarang have been successfully held. The results achieved in the implementation of this community service are the provision of information on rainfall that has the potential to cause flash floods, the learning process of disaster mitigation as a preparedness measure for flash floods, flood-prone and evacuation maps, and communication tools as a continuation of the community service program.
Co-Authors Atmodjo, Pranoto Samto Daru Jaka Sasangka Daru Jaka Sasangka Didit Puji Riyanto Didit Pujirianto Didit Pujirianto Ingerawi Sekaring Bumi Pranu Arisanto Pranu Arisanto Pranu Arisanto Sri Sangkawati Sachro Suhardi - Suhardi Suhardi Suhardi Suhardi Sutarto Edhisono Syamsul Bahri Tia Hetwisari Wildan Herwindo