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All Journal Ensiklopedia of Journal Jurnal Bangunan: Konstruksi & Desain Jurnal Sains, Teknologi dan Kesehatan
Sari, Ridha
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PENGARUH PENGGUNAAN KRIB BAMBU TERHADAP PERUBAHAN PENAMPANG BATANG SINAMAR, KAB. 50 KOTA Sari, Ridha; Yunita, Rini
Ensiklopedia of Journal Vol 4, No 4 (2022): Vol 4 No. 4 Edisi 1 Juli 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.434 KB) | DOI: 10.33559/eoj.v4i4.1183

Abstract

A river is a natural channel which conduct water discharge that end up in to the sea. The channel and the morphology of a river would change from time to time caused by human ativities or even by nature. There are two things would occure in the river, erosion and sedimentation. In the river engineering activity, groyne built due to increase the stability of the river bank and to catch the sediment. Bamboo, that part of grass species, grows a lot by the river. The river bank is one of the best habitat for bamboo to grows. This research aims to find out how the bamboo groyne could effect the cross section of Batang Sinamar river, 50 Kota District. This research was carried out by implanted the bamboo groyne by Batang Sinamar  river bank, and the river’s cross section was measured before and after the implantation. The results of the mesurements were analized by using HEC-RAS program application. The results of this study are expected to be solutions for development that is in harmony with nature, and also support the sustainable development.
ANALISA EFISIENSI SALURAN IRIGASI TERHADAP KESEIMBANGAN AIR DI DAERAH IRIGASI BATANG AGAM Sari, Ridha; Asnur, Hanifah
Jurnal Sains, Teknologi dan Kesehatan Vol. 2 No. 1 (2023): Jurnal Sains, Teknologi dan Kesehatan, Januari 2023
Publisher : LPPM Institut Teknologi Dan Kesehatan Aspirasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/saintekes.v2i1.31

Abstract

Dalam dunia pertanian, salah satu faktor kesuksesan dari sebuah lahan pertanian adalah baiknya sebuah pengairan yang dilaksanakan untuk memenuhi kebutuhan air dari lahan yang sedang ditanami. Salah satu sistem yang dihunakan adalah irigasi, pada umumnya irigasi kebanyakan dengan cara mengalirkan air dari beberapa sumber seperti sungai dan danau kemudian  diteruskan hasil dari pertanian suatu daerah. Dengan baiknya system irigasi maka akan meningkatkan hasil dari pertanian suatu daerah tersebut. Irigasi adalah usaha penyediaan dan pengaturan air untuk menunjang pertanian yang jenisnya meliputi irigasi permukaan, irigasi bawah, irigasi pompa dan irigasi rawa. Tujuan penelitian ini adalah untuk menganalisis efisiensi dari saluran irigasi dan menganalisa kebutuhan air pada lahan pertanian yang berada di lokasi tersebut. Dalam penelitian ini saluran yang dijadikan sampel adalah saluran primer pada ruas BBA 1 dan saluran sekunder pada ruas BBA.KR.1-BBA.KR.2. Dari hasil penelitian didapatkan, dari segi efisiensi saluran pada saluran primer tidak mencukupi dengan niai efisiensi sebesar 76.24% dan pada saluran sekunder efisiensi sebesar 50% yang mana standar dari efisiensi dari saluran primer dan sekunder berkisar 95-90%. Untuk kebutuhan air pada lahan pertanian  sendiri masih terjadi defisit pada bulan Februari I dan Mei II. Dari penelitian ini dapat disimpulkan untuk efisiensi saluran Irigasi Batang Agam pada saluran primer dan skunder tidak mencukupi sehingga terjadi kehilangan air cukup tinggi sehingga perlu dilakukan evaluasi ulang pada saluran irigasi yang ada.
Kajian Potensi Sumber Mata Air Sungai Kamuyang, Kab. 50 kota Dengan Metode NRECA Sari, Ridha; Asnur, Hanifah; Yunita, Rini
Jurnal Bangunan, Konstruksi & Desain Vol 2 No 2 (2024): Juni 2024
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.2.2.138-149.2024

Abstract

50 Kota Regency has quite a lot of potential water sources. One of them is the Kamuyang River spring. This spring has been utilized by the surrounding community to meet their daily water needs. The abundant water discharge in the rainy season allows the utilization of this water to sometimes exceed the capacity that can be utilized by residents. However, it is possible that the discharge will decrease significantly in the dry season. This study examined how much potential the Kamuyang River spring can be utilized. The purpose of the study was to determine the amount of the mainstay discharge from the Kamuyang River spring using the NRECA method. The mainstay discharge taken was 80% reliability and 90% reliability of the discharge produced by the spring. From the calculation results, the mainstay discharge of 80% Q80 was obtained as 0.000424 m3/sec or equivalent to 36.599 m3/day, and the mainstay discharge of 90% Q90 was 0.000184 m3/sec or equivalent to 15.883 m3/day. By knowing the mainstay discharge from this water source, it is hoped that the utilization and exploitation of water at this location will not exceed the existing capacity so as not to damage the groundwater cycle in the Kamuyang River area and its surroundings.
Hubungan Kepadatan Tanah Terhadap CBR Labor Di Perumahan Eka Jaya Permata II Kota Payakumbuh Asnur, Hanifah; Sari, Ridha; Yunita, Rini
Jurnal Bangunan, Konstruksi & Desain Vol 2 No 3 (2024): September 2024
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.2.3.198-208.2024

Abstract

Soil density is closely related to determining the design CBR on road pavements. In this study, soil density testing used standard proctor test methods (ASTM D-698) to obtain the optimum water content (w) and maximum dry weight (γ_d). This study obtained an optimum water content of 24.72% and a maximum dry weight of 1.61 gr/cmᶟ. Meanwhile, for the CBR labor test, the water content obtained from the results of the previous soil density test was used, while for the CBR labor test based on the ASTM D-1883 standard with 3 test samples, namely 10 impacts, 25 impacts and 56 impacts. From the results of the CBR labor obtained at a decrease of 0.1 inches with 10 impacts was 7, for 25 impacts it was 8.74 and 56 impacts it was 9.81. This value is used to determine the design CBR value which is associated with 95% maximum dry weight on soil compaction, the value is 9.6%. This value, if adjusted according to pavement standards, is included in the fairly good category of soil and can be used for sub-base on the pavement of the Eka Jaya Permata II housing complex in Payakumbuh City.
Co-Authors Ahmad Junaidi Asnur, Hanifah Bambang Istijono, Bambang Desman, Sutria Khatab, Umar Rini Yunita, Rini