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Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 30315069     EISSN : 30314089     DOI : 10.61132
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Electrical & Electronics Engineering Engineering
research journal of the Engineering Science Clump. The fields of study in this journal include the sub-groups of Civil Engineering and Spatial Planning, Industrial Engineering, Electrical and Computer Engineering, Earth and Marine Engineering
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 20 Documents
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Search results for , issue "Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip" : 20 Documents clear
Pemanfaatan Limbah Serat Plastik PET Terhadap Kuat Tekan Beton Renaldi Renaldi; Jasman Jasman; Adnan Adnan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.207

Abstract

The public greatly anticipates using plastic trash to increase the compressive strength of concrete blocks so they can change form and stop polluting the environment. The purpose of this study is to ascertain how adding PET plastic trash to concrete affects its compressive strengths. Experimental techniques were used in this investigation, including in-lab tests. Afterwards, testing processes in the lab were used to assess the research results. The compressive strength of normal concrete has a value of 25 MPa which reaches the design compressive strength value, while the concrete variation of 1% PET plastic is 23 MPa, 2% PET plastic is 21 MPa, and 3% PET plastic is 19 MPa which does not reach the compressive strength value. plan. This shows that PET plastic waste mixed with concrete results in a decrease in the compressive strength of concrete from normal concrete.
Kajian Experiment Penggunaan Agregat Kasar Pada Campuran Aspal Dingin Cold Mix Lastbutag AC-WC Suaib Syaifullah; Adnan Adnan; Hendro Widarto
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.208

Abstract

Cold mix asphalt mix lastbutag wear layer can improve road pavement, controlling the quality of road construction work from each stage of activity is very necessary to control the quality of road work, because the success of road work cannot be separated from the quality of the work results. This research aims to determine the characteristics and influence of aggregates on cold mix asphalt lastbutag wear layers. This research method uses experimental methods at the Road and Asphalt Laboratory, Faculty of Engineering, Muhammadiyah University, Parepare, in August-September 2023. The results of the visualization analysis show that the stability of 4.5% asphalt is 1345.95 kg, VMA of 6.5% asphalt is 17.69%, VIM of asphalt 4.5% was 6.59%, 6.5% VFB asphalt was 77.99%, 6.5% asphalt flow was 3.99 mm, 5% asphalt MQ was 718.06 mm/kg. The characteristic values obtained through marshall testing with the optimum asphalt content results obtained were 5.275%, and the use of aggregate in the AC-WC Lastbutag Cold Mix Asphalt Mix has met the 2018 General Bina Marga Specifications and is suitable for use in AC-WC asphalt concrete mixtures.
Perbandingan Daya Dukung Pondasi Tiang Pancang Menggunakan Data Sondir Dan SPT Dengan Menggunakan Metode Elemen Hingga Pada Pembangunan Sekolah Teologi Anugerah Misi Kabupaten Nias Barat Andrey Muhammad Nasution; Darlina Tanjung; Jupriah Sarifah
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.213

Abstract

The foundation is a substructure which functions to support the loads and forces caused by the superstructure (superstructure) to the soil layer which will carry these loads and forces. Deep foundations are usually used to obtain a large enough soil bearing capacity and if the depth of the hard soil is far below the ground surface. The aim of this task is to analyze the bearing capacity of pile foundations using sondir data, standard penetration test (SPT) data, as well as the finite element method using the plaxis program. The method used in this final assignment is by studying literature, then collecting the necessary data, and after that carrying out calculation analysis using existing methods. From the results of the calculations carried out, different results were obtained. Where for sondir data at point S1 obtained Qu =115.80 tons; at point S2 obtained Qu = 104.80 tons; at point S3 obtained Qu = 105.50 tons. Meanwhile, based on SPT data at point BH-01, Qu = 398.23 tons, and using the plaxis program Qu = 425 tons
Analisis Faktor-Faktor Pekerjaan Proyek Prasarana Jalan Lingkungan Kelurahaan Sukma Jaya Kecematan Sukma Jaya Kota Depok Wennas Alau; Sempurna Bangun; Kristina Sembiring
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.216

Abstract

The factors that can affect the delay in the completion of road construction projects within the government of the Depok City Public Works Agency which are obtained from the analysis are poor material procurement; insufficient human resources; less than optimal contract management; procurement of construction equipment that is not managed; there is a request for changes to the work being done; financial problems; poor construction work monitoring and control; negative intervention from the community; slow decision making by the owner and changes in field conditions (weather, accidents, etc.). Based on the relative index method, the most influential factors are: 1. Unmanaged procurement of construction equipment 2. Changes in field conditions. Meanwhile, in the factor analysis method, it is obtained: Inadequate human resources (in the form of quantity and quality) less incompatible with the existing location of activities CCO (Contract Change Order) often occurs.
Perencanaan Ruang Henti Khusus (RHK) Untuk Sepeda Motor Pada Persimpangan Bersinyal Jalan Sisingamangaraja – Jalan Pelangi – Jalan Turi Di Kota Medan: Studi Kasus Rido Muhamad Affandi; Marwan Lubis; Hamidun Batubara
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.225

Abstract

Special stopping space for motorbikes is one of the facilities for motorbikes to stop at intersections during the red phase. This special stopping space has been tested on a limited scale to support the movement of motorbikes at signalized intersections in large cities in Indonesia. This research aims to evaluate the intersection and then plan a special stopping room according to the number of motorbikes piling up during the red phase at the intersection. Intersection evaluation is carried out based on primary data and secondary data. The calculation method is guided by the 1997 Indonesian Road Capacity Manual (MKJI) and Technical Planning Guidelines for Special Stop Spaces (RHK) for Motorcycles at Signalized Intersections in Urban Areas.The traffic behavior of the existing intersection is, west approach capacity 335 pcu/hour, DS (Degree of Saturation) 1,878, queue length 97 m and average delay 157 sec/pcu. East approach capacity is 342 pcu/hour, DS (Degree of Saturation) is 2,295, queue length is 97 m, and average delay is 169.3 sec/pcu. North approach capacity is 600 pcu/hour, DS (Degree of Saturation) is 0.546, queue length is 157 m, and average delay is 69.2 sec/pcu. South approach capacity is 941 pcu/hour, DS (Degree of Saturation) 0.987, queue length 245 m, and average delay 111.6 sec/pcu.The special stopping space design on the northern approach is 2 lanes with an approach lane and an area of ​​84 m2; on the southern approach, namely 2 lanes with an approach lane and an area of ​​84 m2; on the western and eastern approaches do not meet the 2012 Age Work Department Service standards in RHK planning.
Analisis Penggunaan Pasir Pantai Pondok Permai Di Kecamatan Pantai Cermin Kabupaten Serdang Berdagai Sebagai Agregat Halus Terhadap Kuat Tekanan Beton (Penelitian) Muhammad Ridho Maulana; Darlina Tanjung; Muhammad Husni Malik Hasibuan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.227

Abstract

Research on the use of beach sand as a fine aggregate in concrete is due to the abundance of beach sand in the area. This research was carried out to analyze sand and find out how much compressive strength is produced when sand is treated without being washed with sand that is treated with washing, so that from this research the local community will know and can use it as a building material. The sand used is Pondok Permai Beach Sand, Pantai Cermin District, Serdang Bedagai Regency. The planned compressive strength of the concrete is 21.7 Mpa with 40 cylindrical test objects. Tests for compressive strength of samples were carried out at ages 7, 4, 21 and 28 days and each treatment was given 5 concrete samples. This research only focuses on beach sand concrete. The analysis results show that this beach sand is included in zone IV sand, namely sand with fine grains. The average compressive strength test results of concrete for sand not treated with washing and treated with washing at age 7 were the same, namely 16.22 Mpa. For compressive strength aged 14 days, concrete with sand that was not treated with washing produced a compressive strength of 15.58 Mpa, while concrete with sand that was treated with washing reached 17.44 Mpa. For compressive strength aged 21 days, concrete with sand that was not treated with washing produced a compressive strength of 16.10 Mpa, while concrete with sand that was treated with washing produced a compressive strength of 18.55 Mpa. In the compressive strength test aged 28 days, concrete with sand that was not treated with washing produced a compressive strength of 17.33 Mpa, while concrete with sand that was treated with washing produced a compressive strength of 19.55 Mpa. From the results of this research, the researchers concluded that the fineness of sand influences the compressive strength of concrete and washed sand can increase the compressive strength of concrete.
Analisis Kebutuhan Ruang Parkir Pada Pusat Perbelanjaan Yang Ada Di Kecamatan Medan Denai: Studi Kasus Balikado Jl. Menteng M. Aidil Abrori; Marwan Lubis; Gunawan Tarigan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.228

Abstract

: Balikado is one of the shopping centers in Medan City, located on Jalan Menteng, Medan Denai District. Parking is something that is quite a concern, especially if you visit places that are busy with visitors, such as Balikado. Shopping centers usually have a busy schedule of visitors at certain times of the day, so problems occur such as not having the parking properly organized. To overcome this problem, it is necessary to identify the need for parking space. From the results of research for 7 days, (18-24 July 2023) from 09.00-18.00 WIB and data processing carried out, it can be concluded that: the largest number of vehicles entered were 71 motorbikes on Tuesday 13.00-14.00 and 31 cars on Sundays at 14.00-15.00, the largest accumulation is 77 motorbikes on Wednesdays and 25 cars on Wednesdays, the maximum parking duration is 1.68 hours for motorbikes on Sundays and the maximum parking duration is 1.82 hours for vehicles cars on Wednesdays, the largest parking volume for motorbikes is 505 vehicles on Wednesdays and cars are 174 vehicles on Sundays, the maximum parking turnover rate for motorbikes ranges from 2.29-3.68 times in 1 day and for cars range between 2.38-4.48 times in 1 day. Based on the Z value obtained of 68 SRP for motorbikes, the motorbike parking space can meet parking needs, because the available parking space is 137 SRP, Based on the Z value obtained for car is 24 SRP, then the car parking space can meet parking needs, because parking spaces are available at 39 SRP. From the research results it is clear that the parking area can meet parking needs.
Analisis Keuntungan Proyek Menggunakan Metode Roi Pada Proyek Pembangunan Perumahan Subsidi Permata Alam Kecamatan Diwek Kabupaten Jombang Ahmad Dhiyaur Rahman; Totok Yulianto; Titin Sundari; Meriana Wahyu Nugroho
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.230

Abstract

Infrastructure development in Jombang Regency has increased, after the city returned to normal from the Covid outbreak over time. The natural gem subsidized housing project was built on an area of ​​7,410 m2. This landed house was built with Type 30/60 with a total of 71 housing units. This project was built by PT SAMI KARYA. In this research, data collection was obtained from developers such as weekly reports, daily reports, work schedules, RAB, and actual costs. In 2023, demand for houses in Jombang Regency will increase drastically because there are still many people who need a place to live. The methods used are Return of investment, Internal rate of return and Benefit cost ratio. The ROI calculation method is concluded to be still in profitable status as a long-term investment and can be used to invest in subsidized housing development projects with an ROI value above 16.19% as a return on investment parameter, but after carrying out a trial calculation, a profit value of 389 is obtained. % and of course achieve, even exceed the target.
Studi Tingkat Erodibilitas Tanah Pada EX Disposal Pit A1 PT Kintan Putri Mandiri Subcon PT Anugerah Krida Utama Kecamatan Marangkayu Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur Putri Pebrian; Windhu Nugroho; Agus Winarno; Shalaho Dina Devy; Albertus Juvensius Pontus
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.231

Abstract

Soil is an important component in the natural environment which has an important role in supporting human life and the ecosystem as a whole. One key aspect of soil properties is its erodibility, which determines how susceptible the soil is to erosion. This research aims to assess the level of soil erodibility in the disposal area, which is the location where overburden is deposited in coal mines. Soil erodibility is influenced by a number of factors, including texture, structure, organic matter content, and soil permeability. Laboratory analysis methods are used to measure soil erodibility from samples taken from the disposal area. The results of this research provide a deeper understanding of the potential for erosion in disposal areas and provide a basis for the development of effective erosion control strategies to minimize environmental and mine operational impacts. These findings are important for the coal mining industry in managing the environment sustainably and ensuring the continuity of their operations.
Analisis Deteksi Kedalaman Retak Pada Beton Mengunakan Metode UPV Testing: Studi Penelitian Rifdah Mufiidah Harahap; Darlina Tanjung; M Husni Malik Hasibuan; Marwan Lubis
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.236

Abstract

Non-destructive tests are currently widely used in evaluating the quality of concrete installed in the field. One NDT is using the Ultrasonic Pulse Velocity (UPV) method. In general, the use of UPV in concrete is to estimate concrete strength, determine the homogeneity of concrete and detect concrete damage, for example the presence of voids or cracks. This research is intended to determine the accuracy of UPV test results in detecting concrete cracks at several variations in crack depth. In this research, the UPV tool validation process was carried out by making 1 type of test object. Namely 1 beam specimen for testing crack depth (UPV) with 6 variations of artificial cracks where the artificial cracks are made using plywood. Each sample has been treated so that it can describe the crack depth according to the existing plan. In testing, it was found that the estimated crack depth in variation I was 33.2 mm deep, variation II was 18.8 mm deep, variation III was 104.4 mm deep, variation IV was 115.8 mm deep, variation V was 24.4 mm deep and variation VI 159.3 mm deep. And the average accuracy is 13.60%. The smaller the wave travel time, the smaller the crack depth, the smaller the wave emission and the longer the wave path to detect cracks. which means that the accuracy of UPV crack depth testing tends to decrease with the unevenness of the concrete surface.

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