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All Journal Jurnal Teknik Sipil
Asep Supriyadi
University Of Tanjungpura
Civil Engineering, Building, Construction & Architecture

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STUDY OF WAVE HEIGHT POTENTIAL FOR DETERMINING THE LOCATION OF WECS IN THE WATERS OF KETAPANG REGENCY BY USING CEDAS SOFTWARE Teguh Suratman; Mochammad Meddy Danial; Arfena Deah Lestari; Jasisca Meirany; Asep Supriyadi
Jurnal Teknik Sipil Vol 23, No 2 (2023): JURNAL TEKNIK SIPIL EDISI MEI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i2.62545

Abstract

Ketapang Regency's increasing demand for electrical energy could lead to an energy crisis. According to these issues, the Sungai Kinjil and Kinjil Pesisir coastal communities in the Ketapang Regency have wave potential that can be used as energy for marine wave power plants. As a result, The expertise required to evaluate ocean wave resources and determine the output power of electrical energy produced by ocean waves. CEDAS and ArcGIS software is used for wave modeling, with CEDAS input data in the form of wave forecasting from BMKG wind data, bathymetry, and coastline data obtained from the official Indonesia Geospatial website, and primary data in the form of wave electric power measurement data obtained from Wave energy conversion system prototypes. CEDAS processing results show the highest wave height of 0,998 meters at a depth of 1,3 meters. The potential for electrical energy at the research site is 1,908–4,512 kw/m2.
AUTOMATIC VALVE SLUICE GATE DESIGN MADE OF FIBERGLASS IN TIDAL AGRICULTURAL AREA Alifia Ayu Wardana; Arfena Deah Lestari; Jasisca Meirany; Mochammad Meddy Danial; Asep Supriyadi
Jurnal Teknik Sipil Vol 23, No 2 (2023): JURNAL TEKNIK SIPIL EDISI MEI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i2.62480

Abstract

Water control technology aims to provide a sufficient water supply to avoid overflow. An automatic valve sluice gate made from fiberglass is preferred for water control in tidal agriculture. The mechanical valve sluice gate model can automatically release and close water discharge at a precise angle to optimize water control in tidal agriculture. The advantage of this sluice gate design is its utilization of the difference between upstream and downstream water levels on the sluice gate. A sluice gate design with a slope angle of 15° is recommended for tidal agriculture. The upstream water level should reach a height of 1.67 m for the sluice gate to open, while the downstream side should be at 0.82 m. The sluice gate will automatically open if the water level difference is 0.85 m in height and close if there is no water level difference. It is known that the flood level from the ground is 1 m to 2 m. It is suggested to elevate the land to prevent flooding for residents.
THE INFLUENCE OF THE VARIATION IN ARCH HEIGHT OF THE MAIN TAYAN BRIDGE ON THE MEMBER FORCES Lusiana Lusiana; Elvira Elvira; Muhammad Yusuf; Erwin Sutandar; Asep Supriyadi
Jurnal Teknik Sipil Vol 23, No 4 (2023): JURNAL TEKNIK SIPIL EDISI NOVEMBER 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v23i4.66968

Abstract

The height of the bridge arch significantly impacts the strength and structural efficiency. Research on the height of the Tayan Bridge arch was conducted to determine the values and behaviour of member forces, structural weight, and deflection and to design the optimal arch height geometry. This research involved five variations of the arch height. The bridge structure was modelled using AutoCAD software. Relevant bridge loading data based on the SNI 1725-2016 standard was inputted into AutoCAD for structural design, and then the structure was modelled and analysed using SAP2000. The analysis results provided information on the bridge weight, deflection, and member forces. The analysis results were then compared with the bridge arch height, and this comparison was presented in the form of graphs. From the analysis results, it can be concluded that the bridge arch height has a positive linear relationship with the bridge weight. Tensile and compressive forces exhibit opposite behaviour. Increasing the arch height with constant value results in weight, deflection, and member force variations. Constantly expanding the arch height also does not lead to an increase in the stiffness of the bridge. Structurally, the optimal arch height is 42.134 meters.
EXPERIMENTAL STUDY ON THE USE OF STRAPPING BAND VARIATION AS A SUBSTITUTE FOR STEEL REINFORCEMENT IN THE MANUFACTURE OF PRECAST FOUNDATION FOR COASTAL CONSTRUCTION Maria Septhree Winna Sitohang; Elvira Elvira; Asep Supriyadi
Jurnal Teknik Sipil Vol 23, No 4 (2023): JURNAL TEKNIK SIPIL EDISI NOVEMBER 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v23i4.68555

Abstract

A solid foundation is a concrete mix using steel reinforcement, but the reinforcement has the disadvantage of being corrosive when used in coastal areas. Therefore, this research uses strapping bands as a substitute for steel reinforcement. This research is focused on the manufacture of mortar plates for lightweight construction, especially in foundation parts such as footing foundations.  This research used 5 (five) variations of slab mixture including, variation A1 which is mortar slab without additional strapping band, variation B1 which is mortar slab with additional 3 pieces of strapping band as thick as 1 layer on each top and bottom layer, so on up to variation B4 as thick as 4 layers. The results of the mortar plate bending test obtained the value of the bending moment of variations A1, B1, B2, B3, and B4 are 0.148 kN.m; 0.183 kN.m; 0.222 kN.m; 0.278 kN.m; 0.325 kN.m. Then the maximum bending moment value is averaged in the variation that uses a 4-layer thick strapping band. From this research it can be concluded that to get a high bending moment value, the more strapping bands are used.
THE INFLUENCE OF AGGREGATE SIZE AND COMPACTION ON VOID CONTENT AND COMPRESSIVE STRENGTH OF PREVIOUS CONCRETE Ing Cahya Powerija; Erwin Sutandar; Asep Supriyadi
Jurnal Teknik Sipil Vol 24, No 2 (2024): Vol 24, No 2 (2024): JURNAL TEKNIK SIPIL EDISI MEI 2024
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v24i2.78762

Abstract

Pervious concrete is one of the alternatives to prevent flooding during the rainy season. Because of the large number of pores produced by the absence or use of fine aggregate in its production, previous concrete has a poor compressive strength. This study focuses on the size and manner of compaction of coarse aggregates to boost the compressive strength of previous concrete. It is essential to address the void content in this process. The research started by analyzing the materials used to make the previous concrete mix. The next step was to determine the void content, plan the mix design, make the mix, treat the concrete, and finally test it using various methods such as volume weight, compressive strength, porosity, and permeability tests. Research shows that a three-layer perforated variation on a 0.5/0.5 cm coarse aggregate with a compressive strength of 21.04 MPa, volume weight of 1896.674 kg/m3, permeability of 0.597 cm/s, and porosity of 16.232% yields the best results. Although 24 MPa was the intended compressive strength, previous concrete fell short due to the paste content used in the compaction method. In addition, the volume weight is lighter than the plan, and the permeability and porosity are more significant than the plan. The relationship between aggregate size and compaction method is based on the graph of the effect of void content and paste content, which shows that the greater the paste content, the smaller the void content produced.
Co-Authors Alifia Ayu Wardana Arfena Deah Lestari Elvira Elvira Erwin Sutandar Ing Cahya Powerija Jasisca Meirany Lusiana Lusiana Maria Septhree Winna Sitohang Mochammad Meddy Danial Muhammad Yusuf Teguh Suratman