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Jurnal Teknik Sipil
Published by Universitas Tanjungpura
ISSN : 14123576     EISSN : 26218429     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Teknik Sipil Universitas Tanjungpura merupakan publikasi ilmiah berkala yang diperuntukkan bagi peneliti yang hendak mempublikasikan hasil penelitiannya dalam bentuk studi literatur, peneltian, dan pengembangan teknologi sebagai bentuk penerapan metode, algoritma, maupun kerangka kerja. Melalui penulisan Jurnal Teknik Sipil yang terbit pada bulan Juni dan Desember setiap tahun. Redaksi Jurnal Teknik Sipil Universitas Tanjungpura mengundang para profesional dari dunia usaha, pendidikan dan peneliti untuk berpartisipasi mengembangkan profesi serta menyebarluaskan perkembangan ilmu dalam bidang Teknik Sipil termasuk geoteknik, transportasi, struktur, sumberdaya air dan lingkungan dengan penekanan khusus pada pengurangan resiko bencana termasuk pendekatan sosio-teknik untuk penanggulangan.
Arjuna Subject : -
Articles 588 Documents
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EMPLOYING THE BIM-BASED APPROACH TO ANALYZE AND IMPROVE THE QUALITY OF DETAIL CONSTRUCTION COST ESTIMATION ACCORDING TO NRM 2 AND SMPI Emelia Purba, Sarah; Diandra, Nadia; Feng, Chung-Wei
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.56909

Abstract

Construction projects have become increasingly complicated and challenging to manage in recent years, especially in analyzing the quantity and cost estimation of construction work to get accurate results and overrun costs. The interdependence among different work items involved, such as architects, civil and electrical works, is one of the fundamental reasons. Besides that, the differences in standards used in analyzing the quantity and unit cost per work item made it more complicated. This study analyzed the existing modeling based on the measurement rules and unit cost standards to analyze the problem which has been explained above. Understanding the items was considered when examining the walls quantity to avoid missing information. In addition, measurement rules standards are utilized to calculate QTO, including NRM 2 standards from the UK and SMPI standards from Indonesia, to calculate the cost based on Indonesia standard SNI-AHSP. Furthermore, using visual programming Dynamo to analyze the quantity of wall works based on the required data, extract the data/information needed to calculate the cost based on unit cost standard, and check if the walls intersect with other elements to avoid excess quantity. Finally, using BIM technology based on standard measurement rules and overlapping element analysis to calculate the quantity and cost produced accurate quantity results and obtained the maximum cost detail per work item. Moreover, generate the information about the analysis results by utilizing the intelligent module to present the required information of the wall works, which improves the inadequacy of BIM. Indeed, it could save more time than calculating them manually and reduce human errors.
SLOPE STABILITY TECHNICAL STUDY USING SLOPE MASS RATING (SMR) METHOD AT PT. KARYA SUMBER ALAM PERKASA, SANGGAU REGENCY, KALIMANTAN BARAT Wildani, Elgi; Meilasari, Fitriana; Purwoko, Budhi; Sutrisno, Hendri; Syahrudin, Syahrudin
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.57303

Abstract

Soil (topsoil and overburden) above the granite quarry in pit 2 (two) PT. Karya Sumber Alam Perkasa has experienced a landslide. It is probably caused by the condition of pit 2 (two) slopes at PT. Karya Sumber Alam Perkasa, which is currently being mined, is quite steep. External factors that can trigger the movement of rock masses are vibrations due to breakers. This condition has the potential to increase the risk of slope stability. Slope stability is influenced by geological conditions, joints, slope geometry, water conditions below the soil surface, physical and mechanical properties, and vibrations due to blasting and mechanical equipment. Therefore, it is necessary to conduct a technical study of slope stability. The research aims to study rock mass class, potential type of landslide, and potential slope stability. The technical study of slope stability uses the Slope Mass Rating (SMR) method. Data processing using software Rocscience Dips 7.016. Analysis of potential types of landslides based on stereographic projections. The result of the RMR calculation is 78, so the rock mass class is number II, which is included in the excellent category. The results analysis of the potential for the type of failure indicates t tends to lead to the toppling failure, but after the study, there is no failure because it does not meet the landslide requirements. The result of the analysis of potential slope stability is that the slope in pit 2 (two) is safe or stable because the SMR value is 78 and the safety factor value is 2,458.
VALIDATION OF TROPICAL RAINFALL MEASURING MISSION (TRMM) RAINFALL DATA FOR THE KAPUAS HULU DISTRICT AREA Tangkadas, Charles Gonzaga; Soeryamassoeka, SB; Nirmala, Azwa
Jurnal Teknik Sipil Vol 23, No 3 (2023): JURNAL TEKNIK SIPIL EDISI AGUSTUS 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v23i3.66513

Abstract

Rainfall is a critical element in the hydrological cycle. Therefore, accurate rainfall inputs are essential for reliable hydrological predictions in various water resource analyses. Many areas in the tropics depend on rainfall for multiple needs because rainfall has an essential influence on numerous aspects of human life, especially in water resources planning and management. However, not all areas have rainfall recording stations using manual rain and gauges or automatic rainfall recorders, so rainfall records are rarely complete; this is also the case in Kapuas Hulu District, West Kalimantan Province.This research article presents the results of TRMM satellite rainfall data research in Kapuas Hulu District, with validated rainfall data, 1-day maximum rainfall data, and rainfall amount data. Validation stages are carried out by calibrating, verifying, and correcting rainfall data. As a comparison station (dependent variable) is the BMKG Pangsuma observation station, KPH-06 Nanga Kantuk, KPH-08 Ng. Silat, KPH-09 Jongkong, KPH-13 Tepuai in 1998-2019.The results of the analysis show that the best correlation value on the amount of rainfall data and 1-day maximum rainfall data obtained from Grid 30 TRMM of 0.83 and 0.82 with the observation station is BMKG Pangsuma Station, and then the equation obtained from the analysis results on the grid is used as an equation for correction. The data correction equation for the amount of rainfall is Y = 1.1578 X - 98.5547, and the 1-day maximum rainfall data correction equation is Y = 1.2036 X - 28.4197.
SEDIMENT CHARACTERISTICS OF BED LOAD TRANSPORT IN MAHAP RIVER OF NANGA MAHAP SUB-DISTRICT, SEKADAU REGENCY, INDONESIA Ika, Anggraini Muthya; Zainal, Wahyu; Yufiansyah, Yufiansyah
Jurnal Teknik Sipil Vol 22, No 1 (2022): JURNAL TEKNIK SIPIL EDISI JUNI 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i1.54255

Abstract

Sedimentation is a crucial factor when it comes to river problems. Sediment can cause silting of the river so that its capacity be reduced and can cause overflow of water to the surface. Every year, Districts of Nanga Mahap at Sekadau Regency always experiences flooding and the problem is still happening up until now. One of the causes of the occurrence of flooding in Nanga Mahap District is the overflow of the Mahap River. This study aims to determine the characteristics and rates of bottom sediment transport rate in the downstream of the Mahap River. Sediment collection was carried out on 8 segments of the estuary. In the study, laboratory tests were carried out regarding specific gravity and grain size of sediment particles refers to the texture classification by USDA (U.S. Department of Agriculture) and freight rate calculations Basic Sediment with Duboys Method. Based on characteristic analysis Mahap River sediments obtained the average D50 sediment grain diameter value from all research points that is equal to 1.63 mm, the results of testing the specific gravity the average obtained is 2.754 gr/cm3 so that it can be classified in the form of coarse grains with a type of sand sediment. The largest base sediment transport rate of bed load occurred at point 2 of 8.816 tons/day and the smallest was at point 7, which is 0.154 tons/day. From the calculation, result shows that if the velocity of falling particles is greater than the velocity of the flow of river water, therefor the sediment particles will settle.  
PERFORMANCE ANALYSIS OF SMALL SCALE DESALINATION PLANT BASED ON MULTI TRAY AERATOR, MEDIA FILTER, AND SEAWATER REVERSE OSMOSIS Danial, Mochammmad Meddy; Purnaini, Rizki; Khairi, Syahrul; Setiawan, Eric; Nadeak, Raymond; Septiansyah, Edo; Abshar, Khairul
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.58988

Abstract

Seawater as abundant source for clean water is deemed as impossible task, particularly in developing country. Therefore, the feasibility of applying the reverse osmosis technology, particularly in the coastal area for drinking water is need further investigation. This paper aims to design and analyze the performance of small-scale desalination plant using combination of multi tray aerator, media filter, and multiple membranes consisting of ultrafiltration, brackish, and seawater membranes.Parameters used to verify the performance of small plant are salinity and total dissolved solid for membranes, while the parameters for examining the pre-treatment are Fe and Mn. The test results will be evaluated under the regulation of minister of health, Permenkes No. 32/2017. The influence of the pump pressure on the flow will also be analyzed.The result shows that the desalination plant can reduce the salinity concentration significantly from 10,200 ppm to 16 ppm, or 99.84%. The ratio of clean water to rejected water is 36%.  However, bacteria of E. Coli are still found in clean water, which is probably caused by biofouling.
Cover et al June 2022 JTS, JTS
Jurnal Teknik Sipil Vol 22, No 1 (2022): JURNAL TEKNIK SIPIL EDISI JUNI 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i1.56668

Abstract

TAILING POND MAINTENANCE SYSTEM PT. DINAMIKA SEJAHTERA MANDIRI AT THE TERAJU SITE, TOBA DISTRICT, SANGGAU REGENCY Gazhian, Syarif Rafhi; Nirmala, Azwa; Aprillia, Ricka; Sutrisno, H.; Meilasari, F.
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.59158

Abstract

PT. Dinamika Sejahtera Mandiri has 6 settling ponds. One of the factors that must be considered in mining activities is the residue from the washing process that will enter the settling pond. Pool conditions at PT. The Mandiri Sejahtera Dynamics seems to be almost full, which requires a study on the maintenance of the settling pond to be carried out. This research aims to plan and schedule the dredging of the settling pond and the addition of tools for optimal pond maintenance.The research was conducted by collecting primary and secondary data, primary data consisting of tailings samples, circulation time, and full discharge time. While secondary data consists of rainfall, equipment specifications, pond depth, and pond area. Then it will be processed from the calculation of planned rainfall, rainwater discharge, percent solid, particle velocity, settling material, pond dredging time and the number of additional tools.
EXPERIMENTAL FLEXURAL STRENGTH OF GLASS FIBER REINFORCED POLYMER (GFRP) HYBRID REINFORCED CONCRETE BEAMS Lestyowati, Yoke; Herawati, Henny; Panandita, Budi Satria
Jurnal Teknik Sipil Vol 23, No 3 (2023): JURNAL TEKNIK SIPIL EDISI AGUSTUS 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v23i3.67972

Abstract

Materials technology is an excellent opportunity to be developed industrially and on a needs scale according to the demands of society, namely supporting the environment, low maintenance, and long-term use. Using composite materials with reinforced polymers is a hot topic of discussion in civil engineering as new materials, strength/stiffness enhancers, or applications in building rehabilitation or renovation. Fiber Reinforced Polymer (FRP) is excellent as a new material because, in addition to being lightweight, corrosion resistant, and easy to work with, it also has high flexural strength, so it is a consideration to replace and or strengthen steel materials that are high in cost value. However, until now there has not been found the correct pattern or variant and volume of fibre so that it can be an alternative to the use of steel. The purpose of the study was to experimentally determine the flexural strength of Glass Fiber Reinforced Polymer (GFRP) hybrid beams either with steel reinforcement, with GFRP reinforcement, or with steel and GFRP combination reinforcement and different GFRP ratios (variants) through two-point load bending tests.The designed model is a development of a previous study that used one layer of 4 mm and produced a flexural strength smaller than the targeted flexural strength, so in this study, two layers of 8 mm were used. In addition, other experimental data that has been carried out from the literature is also used where the results of parametric studies provide evidence of the positive effect of hybrid steel and GFRP reinforcement ratios when obtaining GFRP models and volumes.The materials used to manufacture concrete beam test specimens 53x15x15 cm3 with quality of fc'35MPa have been tested according to SNI standards and meet both the minimum and maximum requirements specified. Based on the results of the material test, it is planned that the characteristic concrete quality fcr'=40.31 MPa, and based on the compressive strength test, the quality fcr'=41.68MPa is produced.The hybrid designed material with concrete or concrete and steel has been tensile tested with a maximum arcing load for the two layers = 8 mm variant; the tensile strength of the GFRP woven roving type with two layers 2 x 4 mm is 92.66 MPa. While plain steel reinforcement Diameter 8mm quality 280 MPa has a minimum tensile strength of 350 MPa (3.8 times the tensile strength of GFRP 8 mm).The results of testing and calculating the effect of GFRP as a substitute for steel reinforcement contributed to the flexural strength of concrete beams on average by 47.52%. In comparison, the contribution of flexural strength produced by concrete with steel reinforcement was 107.09%. The concrete variant of hybrid steel reinforcement and GFRP contributes to an increase in the average flexural strength of 117.02% 4.8% compared to steel-reinforced concrete beams alone.
Study Of Productivity And Costs On The Implementation Method Of Foundation Work Using Precast Concrete Pile As A Substitute To The Use Of Wooden Pile Foundations In Low Rise Building (Housing) Syahrudin, Syahrudin; Safaruddin, Nuh M.; S, Soeryamassoeka B; Erwin, Sutandar
Jurnal Teknik Sipil Vol 22, No 1 (2022): JURNAL TEKNIK SIPIL EDISI JUNI 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i1.55158

Abstract

The soil condition in Pontianak City is mostly soft soil and peat soil which causes the low bearing capacity of the soil. Various efforts have been made to increase the bearing capacity of the soil, such as the use of wooden pile (kayu cerucuk). With the limited availability of wooden pile, the use of precast piles is an alternative in increasing the bearing capacity of the soil on the foundations of buildings/housings in Pontianak City. The purpose of this study is to compare the productivity and costs of using a wooden pile foundation measuring 12/15 cm with a length of 9-12 M against the use of a square precast concrete pile foundation measuring 15x15 cm2 with a segment length of 3-4 M at a depth of 12-20 M and a size of 12-20 M. 20x20 cm2 with a segment length of 6 M at a depth of 12-18 M in low-rise buildings in Pontianak City. From the results of the study, it is known that the productivity and average cost of piling per M' in a 2-storey shophouse building with an alternative foundation using 12/15 cm cerucuk piles is 22.3 seconds/m' at a cost of Rp. 17,306.24, precast piles square 15 x 15 cm2 of 111.5 seconds/m' at a cost of Rp. 144,274,439 and precast square piles of 20 x 20 cm2 of 125.7 seconds/m' at a cost of Rp. 291,338,955. In a type 150 house building with an alternative foundation using 12/15 cm wooden piles of 18.05 seconds/m' at a cost of Rp. 17,185.58, precast square piles of 15 x 15 cm2 of 104.67 seconds/m at a cost of Rp. 143,890.04 and 20 x 20 cm2 square precast piles of 94.66 seconds/m' with a cost of Rp. 289,724.234. The cost of foundation work with alternative foundations using precast square piles of 15 x 15 cm2 is the most efficient both from the aspect of driving costs, overall costs and the cost of the unit load carried by the foundation
ANALISIS LETAK HIDRAN KEBAKARAN PADA JARINGAN DISTRIBUSI AIR BERSIH (STUDI KASUS: KECAMATAN SINGKAWANG BARAT DAN SINGKAWANG TENGAH Kurniawan, Rachmat; Nurhayati, Nurhayati
Jurnal Teknik Sipil Vol 20, No 2 (2020): JURNAL TEKNIK SIPIL EDISI DESEMBER 2020
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v20i2.59171

Abstract

Kota Singkawang merupakan kota yang memiliki jumlah penduduk yang padat. Kepadatan penduduk ini menjadikan kota Singkawang membutuhkan penyediaan air yang cukup untuk mengatasi kebakaran. Penelitian ini bertujuan untuk menentukan titik perletakan hidran kebakaran pada sistem jaringan distribusi air bersih dan menentukan kebutuhan penyediaan air pada tahun proyeksi di Perumdam Gunung Poteng Kota Singkawang untuk pengendalian kebakaran. Penelitian ini menggunakan data kawasan rawan kebakaran, jaringan jalan, jaringan pipa distribusi, jaringan kontur dan jumlah penduduk yang diperoleh berdasarkan survei. Hasil penelitian menunjukkan kebutuhan air di Perumdam Gunung Poteng untuk Tahun 2039 adalah 278,70 liter/detik. Penempatan hidran kondisi eksisting saat ini sebanyak 2 buah tidak dapat berfungsi. Dilakukan penambahan jumlah hidran menjadi 4 buah yang melayani wilayah selatan di Jalan Setia Budi, wilayah barat di Jalan Niaga, wilayah utara di Jalan Budi Utomo dan wilayah timur di Jalan Kurau, jumlah pompa 8 buah dengan perubahan diameter di wilayah selatan dari 75 mm menjadi 100 mm sepanjang Jalan Nusantara, Jalan Kurau dan Jalan lorong ruko.

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