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Eko Walujodjati
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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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Kajian Kualitas Pelayanan Bus Primajasa Kelas Bisnis Rute Garut-Bekasi Pada Masa Pandemi Covid-19 Menggunakan Metode Fuzzy-Servqual Opik Legiman Prabowo; Dwi Prasetyanto
Jurnal Konstruksi Vol 21 No 1 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-1.1306

Abstract

Seiring dengan meningkatnya mobilitas kebutuhan penduduk ke luar kota, menuntut ketersediaan angkutan umum antar kota yang memenuhi syarat kelancaran, kenyamanan, dan keamanan. Masa pandemi Covid-19 sangat mempengaruhi keberlangsungan suatu perusahaan jasa Transportasi. Oleh karena itu tujuan penelitian adalah mengevaluasi kualitas pelayanan transportasi dari perusahaan-perusahaan bus yang ada di kota Garut untuk memenuhi tingkat pelayanan terbaik dari perusahaan di masa pandemi Covid-19. Penelitian menggunakan metode kuantitatif, dipilih angkutan umum bus antar kota perusahaan bus Primajasa cabang Garut. Penelitian kualitas pelayanan bus Primajasa Kelas Bisnis Rute Garut-Bekasi dengan jenis armada bus besar. Data didapatkan mengunakan metode survei dan wawancara langsung serta penyebaran kuesioner kepada pihak terkait. Penelitian kinerja pelayanan Bus Primajasa diukur dari ekspektasi dan persepsi kinerja berdasarkan survei dan menggunakan Metode Fuzzy-Servqual. Hasil penelitian dengan analisis Fuzzy-Servqual terdapat tiga belas atribut yang sudah sesuai antara persepsi dan harapan konsumen Bus dengan nilai gap positif. Kepuasan konsumen dan pelayanan di dalam bus pada atribut jumlah penumpang sesuai kapasitas angkut, tempat duduk penumpang nyaman, dilengkapi AC, tersedia kursi bagi penumpang berkebutuhan khusus, tersedia tempat sampah, memiliki rasa aman dan nyaman, kedisiplinan pengemudi, tersedia alat pemadam kebakaran, tersedianya fasilitas dan penerapan protokol kesehatan, transaksi cepat, kemudahan penumpang dalam menyampaikan keluhan/saran. Prioritas perbaikan pelayanan berdasarkan gap servqual score terbesar terdapat pada jadwal operasional sesuai yang telah ditetapkan.
Penerapan Metode Earned Value Analysis Terhadap Waktu Penjadwalan: Studi Kasus: Pembangunan Gedung Ruang Kelas Baru (RKB) Pada Madrasah Aliyah Negeri (MAN) Kab. Karawang Syapril Janizar
Jurnal Konstruksi Vol 21 No 1 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-1.1328

Abstract

Project management is an activity which consists of planning, leading, organizing, and controlling the company's organizational resources to achieve predetermined organizational goals within a certain period of time with certain resources. Case study on the Project for the Construction of a New Classroom Building (RKB) for the State Madrasah Aliyah (MAN) Kab. Karawang which is located Karawang, West Java 41314. Analyzing the project using the concept of Earned Value Analysis which is focused on the implementation of the Project for the Construction of a New Classroom Building (RKB) of the State Madrasah Aliyah (MAN) Kab. Karawang. Knowing and adding insight about cost and time control on a project by applying Earned Value Analysis. The work completion time is in accordance with the work plan so that the work can be completed according to schedule.
Analisis Pengaruh Tata Guna Lahan terhadap Efektivitas Daerah Irigasi Cipalebuh Agun Gunawar; Sulwan Permana
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.21-2.1329

Abstract

Cipaleubuh Irrigation gets water from the Cipaleubuh River for the needs of rice fields and plantations in Pameungpeuk. To determine water availability and effectiveness of irrigation channels. This research was conducted to determine the Cipaleubuh Bend River Discharge and Irrigation Discharge by taking into account current conditions. The research location is Cipaleubuh Dam to Cipaleubuh Irrigation with an area of ”‹”‹1016 ha. The largest river discharge is 5.66 m3/second using the FJ Mock Method, evapotranspiration calculations using 10 years of climatology data and 10 years of rainfall data using the Penman Monteith Method. The Cipalebuh irrigation area with an area of ”‹”‹1,016 hectares requires water withdrawals, water availability is still sufficient from January to June, and scarce from July to October, but water availability is low at the end of the year. reduced capacity. Enough for November and December. Based on the analysis results, the maximum river discharge was 5.66 m3/s in March. A water intake of 1.65 l/sec/ha at the key requires a required water volume of 1016x1.65 = 1676.4 l/sec. Cipaleubuh land use is divided into river areas, plantation areas, gardens, irrigated rice fields, bushes and agricultural land. Fertile land contributes 30.880% compared to 2.017% for river water. However, water needs can be met with DI. Effective Cipaleubuh.
Analisis Struktur Gelagar Jembatan Steel Box Girder Tipe Komposit Baja-Beton: Studi Kasus : Jembatan Fly Over Jalan Alternatif Kadungora-Leles Eko Walujodjati; Sopyan Sauri Al Qurthubi
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.21-2.1331

Abstract

The Kadungora-Leles alternative road fly over bridge is the first bridge in Garut Regency to use steel box girders as its girders. Therefore, the author is interested in conducting an analysis of the steel box girder structure on this bridge. The method used in the analysis of this bridge girder structure is the Allowable Stress Design method. This analysis assumes that the stress that occurs due to the service load, which is calculated based on the elastic theory of bending beams, does not exceed the specified allowable stress. Permissible stress is determined as the ultimate strength or yield strength of steel divided by the safety factor. Bridge loading refers to SNI 1725:2016, while for analysis of bolted connections using RSNI T-03-2005. From the analysis results, it was found that the steel box girder bridge girder structure experienced a tensile stress of 1801.41 kg/cm2, experienced a deflection of 101.991 mm. After analyzing the girder connections, it was found that the bottom flange connection plate has a shear-yield capacity of 9135000 N, the web connection plate has a shear-yield capacity of 9020160 N. The bottom flange connection plate has a total of 72 bolts (24 mm) , whereas according to the analysis results only 31 bolts are needed. The bolt configuration on the web connection plate has a shear capacity of 11928.992 kN, while the shear force that must be supported is 421.933 Kn.
Perbandingan Pushover dan Pengujian Siklik pada Coupling Beam dan Link Geser dalam Struktur Baja Intan Nuriskha Rachma; Eko Walujodjati
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.21-2.1333

Abstract

The concept of earthquake resistant buildings is based on the yield mechanism in one element. In the steel frame structure core system, the coupling beam functions as an earthquake energy dissipation element where yielding is planned. However, if these elements are damaged, repair costs will be high and the process will disrupt building activities. Considering these conditions, the coupling beam element was developed by adding a sliding link. The yield mechanism is transferred to the link element while the coupling beam remains elastic. Numerical and experimental studies were carried out to review the yielding behavior that occurs in the link and coupling beam elements. The sub-assembly consisting of the column, coupling beam and shear link WF150x75x6x8 was tested under cyclic loading in accordance with AISC 341-10. Numerical analysis is carried out using a pushover method where parameters related to the non-linear properties of each sub-assembly are designed based on the provisions of FEMA-356. The pushover and experimental analysis results show that yielding can be maintained in the link. Cyclic testing on the Sub-assembly produces plastic rotation of the shear link of 0.17 radians without causing damage to the column and coupling beam. The first yield in the pushover analysis occurred at a force of 180.9 kN, while the experimental results occurred at a loading of 157.04 kN. Cyclic testing shows an increase in shear capacity of 7% from the results of the pushover analysis.
Studi Kawasan Kerentanan Longsor pada Ruas Jalan Cikajang Pamengpeuk KM BDG 88+200 S/D 147+790 Gariballah Sharief; Adi Susetyaningsih
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.21-2.1343

Abstract

Development progress and land clearing along the Cikajang-Pameungpeuk KM BDG Road Section. 99+800 to 147+790 increases, this can influence the occurrence of landslides. This research aims to determine the level of landslide vulnerability along the Cikajang-Pameungpeuk KM BDG 99+800 S/D 147+790 Road Section. The method used is overlay and weighting using 4 landslide susceptibility parameters. From the results of combining the data obtained, in Cikajang District it shows that it is prone to landslides, there are three landslide points, in Banjarwangi District it shows that it is less prone to landslides, there are no landslide points, in Cihurip District it shows that it is less prone to landslides there is one point of landslides, in Cisompet District it shows that it is very There are seven points prone to landslides and in Pameungpeuk District it shows that it is less prone and there are no landslide points.
Analisis Kolam Olak Bendungan Leuwikeris Kabupaten Ciamis-Tasikmalaya Amelia Citra Mulya Komalasari; 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.22-1.1346

Abstract

The Leuwikeris Dam is a dam built in two districts, namely Ciamis Regency and Tasikmalaya Regency. One of the structures of the dam is a stilling pond. Stilling ponds are built to reduce the energy contained in the flow by utilizing hydraulic jumps from a high-speed flow. The type of stilling pond at the Leuwikeris Dam is type USBR II which has a Froude number value of more than 4.5 and a discharge of more than 60m³/second. The research carried out this time calculated the amount of energy loss in the stilling pond of the Leuwikeris Dam with the USBR II stilling pond type. In finding the value of energy loss, the discharge of the Leuwikeris Dam is needed using modeling. Discharge modeling uses the NRECA method by calibrating with existing discharge, namely the discharge in Cirahong. Discharge modeling is also used with normal distribution method calculations, log normal, gumbel and log pearson type III. The results of these calculations are an NSE value of 0.756 in modeling discharge using the NRECA method and calibrated with the Cirahong discharge for 5 years and the amount of energy lost in the stilling pond of 4.78 meters.
Evaluasi Perilaku Struktur Gedung Beton Bertulang dengan Metode Elemen Hingga Proyek Pembangunan Banten Islamic Center Rama Pratama; Eko Walujodjati
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.21-2.1357

Abstract

One type of construction is building construction, an important infrastructure in human life and widely used throughout the world. Building construction can be used for various activities, such as residences, offices, shopping centers, and the like. Therefore, technology that can help make building plans easier and more connected is needed, namely calculating the analysis of the building structure using the finite element method (Finite.Element.Method). The evaluation calculation also refers to SNI`1726,1727, and 2847:2019. The load calculation includes wind, earthquake, dead and live loads. The upper and lower structures are the structural components that are analyzed. The results of the evaluation calculation show that the concrete structure is able to withstand the given loads, seen from the 600 x 600 dimension column where the moment acting on the column is 171 kNm while the moment that the column can withstand is 496.7 kNm with a ratio of 0.346 , so it can be said that the structure is very safe, but in terms of efficiency the material used in the column can be said to be wasteful.
Pengaruh Bahan Tambah Superplasticizer pada Beton Porous Terhadap Kuat Tekan, Tarik Belah dan Permeabilitas Danil Andriansyah; Eko Walujodjati
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.21-2.1386

Abstract

Porous concrete is an innovation in sustainable concrete technology without fine aggregate with high porosity. This porous concrete can be used on road pavement to overcome water run-off, and can also be applied as a retaining wall which functions to minimize ground water pressure. This research intends to examine experimentally the mechanical properties of compressive strength, tensile strength and permeability of porous concrete with various variations in cement water factors. The coarse aggregate used for Cilopang crushed stone is sized 19 mm, 12.5 mm, 9.5 mm and uses added supperlasticizer. The sample used for testing compressive strength and split tensile strength was in the form of a cylinder measuring 15 x 30 cm. Based on the test results according to ACI 522R-10, the test results for porous concrete show that normal porous concrete using supperplasticizer additives has experienced changes in the value of compressive strength and splitting tensile strength compared to normal concrete.
Pengujian Kuat Lentur dan Permeabilitas Terhadap Beton Porous dengan Agregat Kasar Cilopang Rafiqan Mochammad Ghilman; Eko Walujodjati
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.21-2.1387

Abstract

Concrete is a construction material that is currently very commonly used. One of the innovations made is porous concrete or non-sand concrete, which is a simple form of lightweight concrete made by removing fine aggregate. This porous concrete can be used on road pavement to prevent water run-off. This research aims to experimentally examine the mechanical properties of the flexural strength and permeability of porous concrete with various variations in the cement water factor. The coarse aggregate used for Cilopang crushed stone measures 19 mm, 12 mm, 9 mm, for the average load for each sample 19 mm 5.3, 12 mm sample 7.3 and 9 mm sample 8.6. The test specimens used for each variant were 9 concrete block specimens measuring 10 x 15 x 60 cm with different aggregates. Permeability of porous concrete with different coarse aggregate sizes, sizes 19 mm, 12 mm and 9 mm. From these results the speed of absorption is 00 : 12.31 mm/sec for aggregate size 19, 00 : 15.90 mm/sec for aggregate 12, 00 : 24.01 mm/sec for aggregate. Has met the requirements based on (NRMCA, 2011) and (ACI 522R-10).

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