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Journal : Jurnal Civil Engineering Study

Perencanaan Bangunan Pengaman Pantai ( Breakwater ) TPI Ujung Batu Jepara nur laila sari ayu, wiwit; Ariyanto
Jurnal Civil Engineering Study Vol. 2 No. 01 (2022): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (768.634 KB) | DOI: 10.34001/ces.02012022.5

Abstract

A structure used to protect the coast from damage due to the attack of sea waves, currents, reduce wave energy reaching the coast and change the rate of sediment transport along the coast. One of the beach protection structures is a breakwater. The breakwater is built to protect the waters behind it against wave attacks. Besides, it is also used to control abrasion that erode the coast. The planning location is on the beach of the Fish Auction Place (TPI) Ujung Batu Jepara, Jalan K.H. Sidiq Harun, Ujung Batu Village, Jepara Regency. With the coordinates -6.582469, 110.656976. This plan calculates the design wave height, dimensions, and analysis of the planned building using the sloping breakwater type. In calculations using the Hudson formula. The first alternative was obtained with a crushed rock weight of 650 kg and a tetrapod of 110 kg, with a protection layer of 1.82 m thick, 2.79 m wide and an elevation of 5.3 m. The second alternative has a material weight of 450 kg and 200 kg of crushed stone for the tetrapod, and has a protective layer thickness of 1.65 m, width of 2.47 m and elevation of 5.2 m. As for the third alternative, the crushed stone was 307.5 kg with a tetrapod of 132.5 kg with a protection layer of 1.44 m thick, 2.2 m wide and 4.75 m elevation.
Perencanaan Dinding Penahan Tanah Di Ruas Jalan Desa Tanjung Pakis Aji Jepara Faizah, Nur Laili; Umam, Khotibul; Rochmanto, Decky; Ariyanto
Jurnal Civil Engineering Study Vol. 4 No. 01 (2024): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v4i01.886

Abstract

Retaining walls are a ground control technique that is very necessary to overcome landslides. As happened in the Tanjung Pakis Aji village area. It has steep slopes and there are indications that landslides often occur during the rainy season. The soil parameters that need to be known to plan soil retention walls for testing include specific gravity (Gs); 2.65 kN/m2, void number (e); 33.9, porosity 97.14, shear angle φ ; 29.71 ˚, soil cohesion (c) 24.5 kN/m2, dry soil volume weight (yd ) ; 1.18 kN/m3, wet soil volume weight (yb); 1.87 kN/m3, air content (Wn); 15.29%. Dimensional calculations, stability control, reinforcement of retaining walls are very important in planning retaining walls. The aim of this research is to plan a retaining wall at this location using a cantilever type retaining wall. The results show that the cantilever type retaining wall with dimensions H = 7 m, B = 3 m, T = 0.4 m, Tt and Th = 0.5, Lt = 1, Lh = 1.m, the cantilever is declared safe for the condition of the soil with a safety factor value of Fgs = 4.061 (safe), Fgl = 2.57 (safe), F carrying capacity = 6.62 (safe). From these calculations, reinforcement of types D19-250, D19-200, D19-200 can be obtained, with shrinkage reinforcement D13-100, D13-200.
Informasi Analisis Kebutuhan Ruang Parkir Pada Area Wisata Religi Kadilangu Demak Zaim, Mohamad Zaim; Khotibul Umam; Ariyanto
Jurnal Civil Engineering Study Vol. 5 No. 01 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i01.1272

Abstract

Kadilangu is one of the famous religious tourism destinations in Demak, Central Java. This high number of visitors leads to the need for adequate supporting facilities, including adequate parking areas. With the increase in the number of visitors, the problem of limited parking space began to become a major concern. This condition often causes traffic congestion, visitor inconvenience, and a decrease in the quality of the tourist experience. The design methodology is a series or frame of mind in the parking lot design process, the data analysis method is used to plan by utilizing knowledge and analyzing the behavior of the subjects involved. Generally, the data obtained through this method is in the form of interviews or questionnaires, so the results produced are more often in the form of numbers. Based on the data analysis carried out, it can be known the available static capacity and the need for parking space. If the need for parking space is greater than the available capacity, it means that the number of available parking spaces is not enough. On the other hand, if the need for parking space is smaller than the available capacity, it means that the number of available parking spaces is still able to accommodate vehicles that will be parked. From the results of the analysis, it was found that the parking space of Kadilangu Demak was able to meet the demand for the required parking space, with the note that the maximum number of parked vehicles was still below the value of the available static capacity.
Redesain Jaringan Irigasi Kecamatan Welahan Kabupaten Jepara Muhammad Aksan; Norhidayati; Ariyanto; Susilowati; Bagas Wahyu Adhi; Hendramawat Aski Safarizki
Jurnal Civil Engineering Study Vol. 5 No. 02 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i02.1598

Abstract

Peneltian ini dilakukan di Daerah Irigasi Bakalan Kecamatan Welahan Kabupaten Jepara yang mempunyai luasan 1284,27 hektare. Salah satu saluran sekunder jaringan tersebut mengalami keruntuhan bangunan pada saluran dan sendimentasi limpasan air pada ruas (BWl.1, BWl.2, BWl.3) sehingga penyaluran air ke saluran tersebut mengalami rembesan dan pengurangan. Hal itu dikhawatirkan mengganggu pertumbuhan tanaman areal tersebut karena kekurangan suplai air. Untuk itu perlunya redesain ulang dimensi saluran irigasi pada saluran tersebut. Tujuannya adalah untuk mengetahui kebutuhan air untuk pada tanaman palawija dan tanaman padi , mengetahui kapasitas debit saluran irigasi pada lahan pertanian dengan luasan 208,86 hektare, dan mengetahui dimensi saluran sekunder yang dibutuhkan sebagai acuan pembangunan. Analisis penelitian ini menggunakan data curah hujan, klimatologi, hasil pengukuran lapangan dll. Hasil analisis perhitungan dimensi pada saluran sekunder irigasi welahan ruas (BWl.1) dengan luas 208,86 hektare didapatkan tinggi muka air (h) = 0,75 m, lebar saluran (b) = 1,5 m, tinggi jagaan (W) = 0,20 m , kemiringan talud saluran (V : H) = 1 : 1,5 dan kemiringan dasar saluran (I) = 0,0025533