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INDONESIA
Jurnal Konstruksi
Published by Institut Teknologi Garut
ISSN : 14123614     EISSN : 23027320     DOI : https://doi.org/10.33364/konstruksi
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Kosntruksi yang dapat menampung dan mempublikasikan hasil karya penelitian, karya tulis dan pengabdian masyarakat baik mahasiswa dan dosen-dosen intern maupun dari pihak luar. Jurnal Konstruksi memberikan informasi yang diperoleh dari laboratorium dan workshop penelitian maupun dari lapangan/ studi kasus di dunia nyata dengan cakupan (Scope of Journals) bidang meliputi struktur transportasi/ infrastruktur, air, geoteknik, manajemen konstruksi, dan lingkungan. Melalui jurnal konstruksi diharapkan dapat menampung semua inspirasi bidang teknik sipil sehingga didapatkan pemecahan masalah yang dihadapi dan mampu melahirkan inovasi baru dibidangnya.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 301 Documents
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Perkuatan Soil Nailing pada Lereng Singajaya Garut Champernic Tarakashima; Athaya Zhafirah; Dicky Muhamad Fadli
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1397

Abstract

The landslide natural disaster that hit the slopes of Cigunung Singajaya Garut caused road access to Cihurip District to be cut off. This research aims to determine the safety value of slopes and plan reinforcement that can increase the safety value of slopes. Slope strengthening with soil nailing was used in this research with variations in slope angles of 10ï‚°, 15ï‚°, and 20ï‚° and variations in nail bar length by the same amount, namely 8 m, 10 m, and 12 m. The soil nailing method used in this research. Slope stability analysis of the Bishop method and GeoStudio Slope/W student version. The results of the slope stability analysis before strengthening produced a safety factor value, using the Bishop method, it was 0.273 and analysis using GeoStudio Slope/W student version was 0.201. The results of the slope stability analysis after strengthening with variations in slope angle and nail bar length produced different safety factor values, namely 1.286 for an angle of 10º; 2,195 for 15º angle; and 1.540 for a 20º angle. The predicted results of soil nailing cost budget planning with a planning area of ”‹”‹1321 m2 is IDR 5,513,664,027.12.
Analisis Geser pada Balok Komposit Kayu Kamper Laminasi Baut Perekat-Beton Bertulang dengan Perkuatan CFRP Pamella M Sri Rezeki; Intan Nuriskha Rachma
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1398

Abstract

The cross-sectional dimensions of wood are limited because they experience swelling and shrinkage, so to obtain large wood dimensions, one way to do this is lamination. Laminated wood beams are combined with reinforced concrete plates to produce a structural form where the wood is protected by a concrete plate. The wood lamination system in this research uses adhesive bolts with Carbon Fiber Reinforced Polymer (CFRP) as external reinforcement. The test beam consists of a normal beam without reinforcement (BLN-00) and a test beam with external reinforcement with a CFRP layer (BLF-01). This research was carried out experimentally using the Displacement Control method. The test beam was loaded with a monotonic static concentrated load in the middle of the span with a constant speed of 0.05 mm/s until failure. The results showed that the normal test beam without reinforcement (BLN-00) had a strength of 52.43 kN, stiffness of 7.06 kN/mm, and ductility of 13.42. Meanwhile, the beam with CFRP reinforcement (BLF-01) has a strength of 65.81 kN, stiffness of 9.33 kN/mm, and ductility of 16.85. Apart from that, the maximum shear stress value that occurs in normal beams is 4.23 MPa and in beams with CFRP reinforcement it is 1.95 MPa.
Perencanaan Sistem Penyediaan Air Bersih Mukti Desa Tenjowaringin Kabupaten Tasikmalaya Desty Rahmawati Kusumah; Sulwan Permana; Anjas Ninda Hantari
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1400

Abstract

Clean water is the main source for society. However, not all areas have sufficient availability of clean water, for example Pangkalan Village and Pasir Mukti Village which are located in Tenjowaringin Village. In this research, planning for the availability of clean water was carried out for the people of Pangkalan village and Pasir Mukti village. The spring used in the planning was the Cipeuti spring, the water source of which had not been utilized at all. The method used to determine the amount of discharge is the volumethic method by collecting spring water, then the water is raised to the distribution reservoir using a pump, then the water is distributed using a gravity system. However, the method that will later be used for distribution of clean water is planned using the help of Epanet 2.2 software. The results of the analysis of water needs until the 2033 plan year showed that the population was 474 people using the geometric method, for a water discharge of 13,140 lt/day (0.16 lt/sec) with Cipeuti water availability until 2033, namely 0.17 lt/sec. The results of the calculations show that the availability of clean water in Cipeuti can meet the water needs of the people of Pangkalan village and Pasir Mukti village. For the dimensions of the reservoir used, namely 2.5 m x 2.5 m x 3 m and the dimensions of the planned reservoir are 2.5 m x 2.5 m x 3.5 m, the type of pipe used is HDPE pipe, where the value of the pipe coefficient uses Hazen Williams values ”‹”‹which will later be applied in the Epanet 2.2 application for pipe distribution.
Evaluasi Ketersediaan Air Baku pada Bendung Gunungcupu Jihan Yulianti; Sulwan Permana; Mochammad Suva Nugraha
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1403

Abstract

The availability of water at Gunungcupu Dam is very much needed to support various community activities in the service area. One of the causes of the reduced supply of clean water is damage to pipes due to natural disasters, such as what happened in 2022, there was a flash flood that overflowed the Citanduy River located in the Gunungcupu Bend area and caused the main raw water transmission pipe belonging to PDAM Tirta Galuh Ciamis to reach the Gunungcupu Intake. cut off for 100 meters, as a result the water supply in the Gunugcupu Dam service area was disrupted. So this research was carried out to determine the availability of raw water, find out the projected need for clean water in 2042, and find out the planned flood discharge at Gunungcupu Dam. The method used is a quantitative approach. To determine the availability of raw water, you need to process actual discharge data using the Weibull equation, calculate population projections using arithmetic and geometric methods, calculate clean water requirements for domestic needs in 2042, and process rainfall data to analyze the planned maximum discharge using the Unit Hydrograph method. Nakayasu Synthetic and Gama I Synthetic Unit Hydrograph. The calculation results show that water availability at the Gunungcupu Dam is 730 liters/second. The need for clean water in 2042 for the three sub-districts is 302.66 liters/second. Based on these results, the water supply from Gunungcupu Dam can meet the clean water needs for Ciamis, Baregbeg, and Cijeungjing Districts in 2042. Then the flood discharge planned by the Nakayasu HSS method for Gumbel probability at Q100 is 930,484 m3/second and for Log Normal probability at Q100 amounting to 786,302 m3/second, while the planned flood discharge for the HSS Gama I method for Gumbel probability in Q100 is 833,381 m3/second and for Log Normal probability in Q100 is 707,002 m3/second. Based on these results, it can be concluded that the largest maximum discharge is the HSS Nakayasu method for Gumbel probability, so the HSS Nakayasu method is good for planning the safety of water structures against flooding.
Perencanaan Distribusi Air Sumur Bor Desa Cibunar Kecamatan Cibatu Ahmad Rosidin; Sulwan Permana
Jurnal Konstruksi Vol 22 No 1 (2024): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.22-1.1404

Abstract

Clean water plays a very important role in everyday life. However, the dry season causes a water crisis in several areas of Garut Regency, one of which is Cibunar Village, Cibatu District. The aim of this research is to plan drinking water discharge needs, storage tank capacity and water distribution planning by maximizing the potential of drilled well water as a source of raw water. There is a need for distribution engineering with PVC pipe networks and combined drainage systems. In planning this network, population projections use the geometric method for the 2023-2042 plan year with a population at the end of the plan year of 11,191 people, the total water requirement per person is 60 liters/person/day. The total domestic water requirement for one village is 671,460 liters/person/day or 7.77 liters/second at the end of the 2042 projected plan year. The complete data was then analyzed using the EPANET 2.2 application, the results of the analysis obtained the average pressure 25.23 m, average head loss 0.56 km/m and average flow speed 0.18 m/s and from the results of this analysis the ideal diameter of the distribution pipe is 100-200 mm. Meanwhile, the results of running with the peak hour scenario obtained a flow of 879 liters/hour. In planning the pump specifications required a total head of 159.34 m and a power of 45.41 Kw with pump type CR 120-5-1. Cibunar Village distribution network planning at the end of the planning year can meet community needs during the planning period.
Evaluasi Kerusakan Jembatan Komposit dan Jembatan Rangka Hamzah; Athaya Zhafirah
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1406

Abstract

Damage to a bridge can affect bridge performance due to the age of the bridge, the load carried, climatic conditions, or traffic intensity. Bridges that are seriously damaged and not properly evaluated can endanger the safety of users who cross them. The aim of this research is to identify and analyze damage to composite and frame type bridges in Garut Regency. Evaluation of bridge damage uses the Bridge Management System (BMS) method, based on the data required in this research including bridge administration data and bridge condition data carried out by direct survey in the field. The results of the inspection and evaluation using the Bridge Management System are known to be in accordance with level 1 points based on the condition of each bridge. The numbers obtained from the analysis of the Cimanuk Bridge on Jalan Printis are 2; Damage monitoring and maintenance will be required in the future. Cimanuk Bridge Jalan Cinunuk bridge condition score 3; Damage should be noted as it could be severe over the next 12 months. Kadungora-Leles Alternative Road Flyover Bridge condition value of the bridge 2 Damage monitoring and maintenance will be required in the future. Maleer/Cicariu Bridge condition value 2; Damage requires monitoring or maintenance in the future. Cimanuk Bridge, Jalan Bayongbong, bridge condition score 1; Damage can be repaired through routine maintenance.
Evaluasi Kinerja Manajemen Konstruksi Proyek Pembangunan Kantor Dinas Kesehatan Ruly Frans Albar; Ganjar Jojon Johari
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1409

Abstract

Construction Management can be in the form of a business entity in which human resources are needed who are experts in their respective fields which include POAC (Planning/Planning, Organizing/Organizing, Actuating/Implementing, and Controlling/Supervision). The Garut District Health Office Development Project was built to improve the quality of the office and improve the quality of public services. In the implementation of a project, of course it cannot be avoided from various problems that slowly arise. This is a serious challenge, how will the construction management itself try to solve various problems that occur so that it can proceed according to the initial plan. This study aims to find out what factors influence the performance of construction management in and to find out the actions taken to overcome the problems that occur so that the implementation of construction management can run well. The method used in this research is ranking analysis method. This study involved consultants and contractors to fill out a questionnaire. There are 30 respondents in this study. The results of this study are that the factors that influence the construction management work system are mostly in the supervision or controlling process, which obtains an average value of 3.56. To control the factors that affect the construction management work system in the control process, you can analyze the constraints that occur in the field and then catch up on delays in progress that occur quickly and precisely.
Studi Efektivitas Penambahan Cangkang Kemiri dan Superlasticizer pada Sifat Mekanik Beton Ayi Dahlan; Dendi Yogaswara; Rudy Febrijanto
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1415

Abstract

Candlenut shells are hard and light, so there is potential to obtain a lighter weight concrete structure but of greater quality by partially replacing it or adding coarse aggregate with candlenut shells. In this research, candlenut shells were used as a substitute for coarse aggregate in the concrete mixture. The aim of this research is to determine the mechanical properties (compressive strength, split tensile strength and deflection strength) of concrete with the addition of candlenut shells and superplasticizer. The method used in this research is a quantitative method. The amount of candlenut shell material used is a substitution for the volume of coarse aggregate of 15%, 30% and 45%. There were two types of samples made in this research, including cylindrical samples with a diameter of 15 cm, height 30 cm, and blocks with dimensions of 10 cm x 15 cm x 60 cm. These samples were made for testing the compressive strength of concrete, splitting tensile strength of concrete and deflection strength of concrete. Concrete with the substitute material for candlenut shells is expected to achieve the planned compressive strength target of 20 MPa. Based on the test results for compressive strength, split tensile strength and concrete deflection strength, the average value for each variation was obtained. Mixture 1 (0%) has an average compressive strength value of 25.68 MPa, an average split tensile strength of 2.11 MPa, deflection strength of 2.85 MPa. Mixture 2 (15%) has a compressive strength of 20.28 MPa, split tensile strength of 1.55 MPa, deflection strength of 1.49 MPa. Mixture 3 (30%) has a compressive strength value of 16.64 MPa, split tensile strength 1.41 MPa, deflection strength 1.24 MPa and for Mixture 4 (45%) the compressive strength value is 12.96 MPa, split tensile strength 1.25 MPa, deflection strength 1.00 MPa.
Pengaruh Kerusakan Jalan Terhadap Kenyamanan Pengguna Jalan di Jalan Raya Rizky Ahmad Gumelar; Adi Susetyaningsih; Muhammad Badru Zaman
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1416

Abstract

Roads are important in the distribution of goods in the industrial sector. Good roads can speed up the distribution process from one area to another. On the other hand, if the road conditions are bad, it will certainly slow down distribution in the area. Therefore, road damage conditions can affect the economic sector in the area. There are many factors that cause damaged road conditions, one of which is the volume or load of vehicles that exceeds the capacity of the road. The impact of road damage will certainly disrupt the comfort and safety of road users. This research was carried out using a survey method, directly observing the condition of road damage and distributing questionnaires to road users. Then the test is processed with Validity Test, Reliability Test, Mean Value and Standard Deviation. Based on the findings, the types of damage were Crocodile Skin Cracks, Longitudinal Cracks, Potholes and Bleeding. Then, based on the distribution of the questionnaire, all statement items are declared valid and reliable. Then, based on the mean value, it is obtained that the accident factor is the aspect that most influences the safety of road users. The road flooding factor is the aspect that has the most influence on comfort. Then the delay factor is an aspect that influences costs.
Evaluasi Kapasitas Lahan Parkir Wisata Kuliner Kerkof Garut Elgi Ilman Maldini; Athaya Zhafirah
Jurnal Konstruksi Vol 22 No 1 (2024): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.22-1.1418

Abstract

Parking areas are one of the transportation infrastructures that must be well organized and managed in order to meet the need for adequate and appropriate parking spaces. The problem that occurs at Kerkof Culinary Tourism on weekends is that the parking requirements for two-wheeled vehicles exceed capacity, resulting in four-wheeled vehicles being parked on the road and causing traffic jams. This research aims to evaluate the capacity of motorized vehicle parking in the Kerkof Culinary Tourism area. The method used was a direct survey of the number and duration of parked vehicles at the research location as well as an analysis of parking needs. The analysis results show that the parking capacity for two-wheeled vehicles covering an area of ”‹”‹486 m2 for current conditions is 324 SRP with a parking index of more than 100%. This indicates that the parking area in the Kerkof Culinary Tourism area is no longer able to accommodate the demand for parking for two-wheeled vehicles. So an evaluation was carried out with the results of the need for two-wheeled vehicle parking area of ”‹”‹958.5 m2 with 639 SRP.

Page 16 of 31 | Total Record : 301

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