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All Journal TEKNIK MEDIA KOMUNIKASI TEKNIK SIPIL
Priyo Nugroho Parmantoro
Departemen Teknik Sipil FT. UNDIP JL. Prof. H. Soedarto SH., Tembalang, Semarang 50275
Civil Engineering, Building, Construction & Architecture Engineering

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KAJIAN PEMODELAN ARUS DAN SEDIMEN DI SEKITAR JETTY MUARA SUNGAI Parmantoro, Priyo Nugroho
TEKNIK Volume 34, Nomor 3, Tahun 2013
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1236.187 KB) | DOI: 10.14710/teknik.v34i3.6568

Abstract

The use of models in the design of jetties at the river mouth is intended to achieve efficiency and predict the function of events forces the river and marine hydrodynamics in a variety of scenarios handling of sedimentation in the estuary. One of the aspects of impacts of current changes that are modeled around the estuary in both the condition before treatment and after a jetty. While other aspects that need to be considered is the hydraulics of the river in the upper-estuary, shoreline change and ocean wave characteristics around the mouth of the river jetty. To be able to know the current pattern of movement around the mouth of the river jetty used models of Surface Water Modeling System (SMS) As a research object is used Silandak Jetty. It has the data before the jetty was built so that could be compared with the condition in which the jetty has been built. Current survey results that occurred in these waters is caused by tidal forces and non tidal. Due to the influence of tides, currents tend to back and forth in a certain direction (from the sea into the estuary). While the non-tidal forces tend to be dominated by the longshore current (caused by the influence of the wave). The simulation result shows a flow that at low tide the sea water circulation in the waters in Silandak moving toward the west to the northwest while the tide moves in the opposite direction heading east with a range between 0,05 to 0,25 m/sec. Sediment modelling shows that flushing sediment has effectively result. Key words: Jetty, Current, Sediment
DESIGN OF SUBMERGED BREAKWATER Sabdono, Parang; Parmantoro, Priyo Nugroho
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 1, Edisi XXVIII PEBRUARI 2004
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.648 KB) | DOI: 10.14710/mkts.v12i1.6171

Abstract

Pantai alexsandria yang berlokasi di Mesir merupakan pantai tujuan wisata yang terkena erosi gemburan gelombang. Untuk melindungi pantai dari erosi yang berlanjut dipilih struktur submerged breakwater dengan alasan lebih estetis dibandingkan dengan merged breakwater. Hal ini dikarenakan puncak struktur beradadi bawah muka air laut rata-rata sehingga para wisatawan masih dapat melihat pemandangan ke laut lepas tanpa adanya penghalang bagi pandangan mereka. Alasan lain, dengan perlindungan oleh submerged breakwater pengunjung dapat dengan aman berenang di pantai, tetapi dapat pula merasakan gelombang, dan arus. Untuk tujuan renang sub merged breakwater dibagi dalam segmen-segmen. Tinggi gelombang signifikan (Hs) harian digunakan untuk merencanakan struktur sub merged breakwater, tetapi untuk kekuatan breakwater digunakan Hs dengan kala ulang 100 tahun.
Analisis Aplikasi Kantong Lumpur pada Sungai Sebagai Upaya Pengendalian Sedimentasi Waduk Wulandari, Dyah Ari; Ulfiana, Desyta; Parmantoro, Priyo Nugroho
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 26, Nomor 2 (2020)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (595.364 KB) | DOI: 10.14710/mkts.v26i2.28691

Abstract

Reservoir sedimentation can be overcome by reducing the amount of sediment that enters the reservoir, by building check dam. The check dam has more deposited coarse sediment load than fine sediment load. Fine sediment that escapes the check dam will flow further and eventually enter the reservoir pond. Therefore it is necessary to build a building that can capture fine sediments. Construction is planned as a system of sediment trap in irrigation channels. The purpose of this study is to analyze the possibility of applying the sediment trap in the river to deposit sediments that escape the check dam. The analysis begins with the selection of the location of the sediment trap, then calculate the dimensions of the sediment trap and the amount of sediment that has settled. Based on the analysis of the selected dimensions with several combinations of gradation of sediment grains, sediment deposition that occurs ranges from 42 - 68%. So it can be concluded making the sediment trap in the river can be done. However, for the application of these sediment traps further research is needed regarding the dimensions of sediment traps that are most optimal for sediment deposition.
Co-Authors Desyta Ulfiana Dyah Ari Wulandari Parang Sabdono