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MEDIA KOMUNIKASI TEKNIK SIPIL
Published by Universitas Diponegoro
ISSN : 08541809     EISSN : 25496778     DOI : -
Core Subject : Engineering,
Media Komunikasi Teknik Sipil (ISSN 0854-1809) published twice in a year, in July and December. The article can be product of researches, scientific thoughts or case study, in civil engineering and isn’t formed by politics, commercialism, and subjectivity unsure. This scientific journal contains articles of thought and research results in Civil Engineering that have never been published in scientific journals or other media.
Arjuna Subject : -
Articles 13 Documents
Search results for , issue "Volume 30, Nomor 2, DESEMBER 2024" : 13 Documents clear
Analisis Kebutuhan Air Irigasi Menggunakan Software Cropwat 8.0 (Studi Kasus: Daerah Irigasi Sekampung Batanghari) Putra, Muhammad Hakiem Sedo
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 30, Nomor 2, DESEMBER 2024
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v30i2.66772

Abstract

The lack of irrigation water supply causes farmers in the downstream area of the irrigation flow to choose to plant secondary crops or clear the land. This also occurs in the Sekampung Batanghari Irrigation Area with a potential area of 9,634 ha. In analyzing water requirenment, Cropwat 8.0 software can be used as an alternative so that the calculation process becomes easier and maximized. This research aims to analyze irrigation water requirement, cropping patterns, and irrigation water supply. The data used in this study include rainfall data, weir discharge, and climatology covering the Sekampung Batanghari Irrigation Area, each for the last 10 (ten) years. The analysis carried out is to calculate discharge of the weir, effective rainfall, potential evapotranspiration, crop water requirements, cropping patterns, irrigation water supply schemes, and analyze water balance. The cropping pattern used is Paddy-Paddy-Palawija with corn as a secondary crop. The greatest value of water demand in December is 5.42 m3/s. The scheme of giving irrigation water to paddy field is carried out continuously with certain water discharge of 5 mm / day. The availability of water is declared sufficient after analyzing water demand in the first planting season, namely paddy covering 100% of the total potential area, the second planting season, namely paddy covering 75% and corn covering 25%, the third planting season, namely corn covering 20% of the total area.
Identifikasi Skenario Curah Hujan Pemicu Kegagalan Lereng di Pagar Alam dan Sekitarnya Gofar, Nurly; Haryanto, Yudi; Purnama Sari Dewi, Anggi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 30, Nomor 2, DESEMBER 2024
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v30i2.62372

Abstract

Pagar Alam and its surrounding area are located in the Bukit Barisan Mountain Rang, thus, the topography is hilly and mountainous. National Road segments passing the area often experience slope failure, which causes distraction to the transportation of people and goods. Past observations showed that slope failures are related to frequent and prolonged rainfall. This paper presents the results of a numerical study on the mechanism of rainfall-induced slope failures in Pagar Alam. The study aimed to identify the critical rainfall scenario triggering slope failures. Data observation indicates that even though wet season started in October, most slope failures occurred between January and April. Thus, initial moisture is required to start the mechanism of failure. The transient pore-water pressure was assessed using SEEP/W while the slope stability was evaluated using Slope/W. The analysis showed that the critical rainfall scenario is a combination of antecedent and major rainfall. The duration of the antecedent rainfall is influenced by the slope angle.
Analisis Kinerja Proyek Pemasangan Pipa HDPE 450 Terhadap Biaya dan Waktu Menggunakan Metode Earned Value Hafum, Emanuel Paihaf; Irawan, Dafid; Suraji, Aji
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 30, Nomor 2, DESEMBER 2024
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v30i2.60714

Abstract

Construction project work requires regular monitoring to determine project performance based on the work that has been realized. The purpose of this study is to evaluate cost and time performance while estimating the time and cost of completing the drainage pipe project for each reporting period. In this study, the Earned Value Method is used to measure performance by comparing planned work with realized work, as well as the actual cost of the work. The results of the 12th week of research showed that the cost of project implementation was lower than planned, as indicated by the Cost Variant value of +117,923,808.28 (1.37%), Cost Performance Index of 1.01 (> 1), Schedule Variant of +1,731,414,451.68 (20.08%), and Schedule Performance Index of 1.25 (> 1). The results of the above indicators indicate that the project was implemented faster than planned. The results of the calculation of the estimated time for the first to third weeks remain consistent with the plan, which is 14 weeks, while for the fourth to twelfth weeks it is lower than planned. The results of the cost evaluation show that from the first week to the fifth week, the average final cost of completing the project was 102.54% higher than the planned budget, while from the sixth week to the twelfth week, the final cost of the project was 90.01% lower than the planned budget of 100%.

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