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ITS » Non Degree » TEKNIK SIPIL - D3
Posted by tondoindra@gmail.com at 10/12/2015 09:25:49  •  1117 Views


PERENCANAAN SABODAM MERAPI PA-C2 SUNGAI PABELAN DESA GONDOSULI KECAMATAN MUNTILAN MAGELANG JAWA TENGAH

PA-C2 MERAPI SABODAM PLANNING PABELAN RIVER GONDOSULI VILLAGE MUNTILAN MAGELANG CENTRAL JAVA

Author :
ARMANDO, YUDHA PRASTAWA ( 3111030049 )
ROSIDAH, CICIK DHANIATUL




ABSTRAK

Gunung Merapi yang terletak di antara kabupaten Yogyakarta dan Magelang Jawa Tengah. Pada tahun 2010 lalu meletus dan memuntahkan 7.000.000.000 m3 material. Semua material tersebut tersebar di beberapa sungai di sekitar gunung Merapi. Sungai Pabelan adalah salah satu sungai yang terkena muntahan material gunung Merapi material material yang tersebar akan menimbulkan banjir lahar dingin pada saat musim hujan dan dapat membahayakan pemukiman penduduk di sekitar hilir Sungai Pabelan. Untuk mengantisipasi hal tersebut perlu dibangun bangunan Sabo Dam atau bangunan pengendali sedimen. Sungai Pabelan yang memiliki luas DAS 4090 km2 panjang sungai 3510 km dan kemiringan dasar sungai sebesar 38. Berdasarkan perhitungan yang telah dilakukan baik analisa hidrologi dan analisa hidrolika maka didapatakan debit sungai sebesar 20918 m3det dengan lebar pelimpah bawah Sabo Dam 6275m tinggi total Main Dam 198 m kedalaman pondasi Main Dam 48 m panjang apron 24 m tebal apron 25 m dan tinggi total Sub Dam 575 m. Berdasarkan perencanaan tersebut Sabo Dam Merapi PA-C2 ini diharapkan mampu menahan material lahar dingin sebesar 745.544726 m dan mampu meredam laju lahar dingin sehingga bisa meminimalisir kerusakan yang terjadi pada bagian hilir Sungai Panbelan.


ABSTRACT

Merapi Mountain is located between Yogyakarta district and Magelang district Central Java. In 2010 it has been erupted and spewing 7.000.000.000 m3 materials. All of these materials is spreading on the several rivers in Merapi mountain. Pabelan river is the one of the several rivers that affected by Merapi eruption the materials who has been spreading on the Pabelan river will create a cold lava flood during rainy seasons and it can be dangerous for the villagers on the downstream Pabelan river. To anticipated this problem we must to built a Sabo Dam or Sediment Control Structure. Pabelan river who have large DAS Watersheds 4090 km2 leght of the river is 3510 km and the slope of the riverbed is 38. Based on calculation that has been done Hidrological analisis and Hydroulics analisis and then obtained the steamflow is 20918 m3det the width of the bottom spellway is 6275 m the Main Dam total height is 198 m The Main Dam depth of foundation is 48 m leght of the apron is 24 m thick of the apron is 25 m and the total height of Sub Dam is 575 m. Based on that planning PA-C2 Merapi Sabo Dam are expected to restrain cold lava flood materials up to 745.544726 m and muted that speed. So it can minimize the damage that occurred on downstream Pabelan river.



KeywordsGunung Merapi; banjir lahar; analisa hidrologi dan analisa hidrolika
 
Subject:  DAM
Contributor
  1. Ir. PUDIASTUTI
Date Create: 10/12/2015
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-NonDegree-31102150001282
Collection ID: 31102150001282
Call Number: RSS 627.883 Arm p


Source
Non Degree of Civil Engineering, RSS 627.883 Arm p, 2015

Coverage
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Rights
Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-NonDegree-39955-3111030049-3111030143-Abstract_id.pdf - 358 KB
  2.  ITS-NonDegree-39955-3111030049-3111030143-Abstract_en.pdf - 80 KB
  3.  ITS-NonDegree-39955-3111030049-3111030143-Conclusion.pdf - 598 KB




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