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INDONESIA
Jurnal Rekayasa Sipil dan Desain
Published by Universitas Lampung
ISSN : 23030011     EISSN : 27150690     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 840 Documents
 62   63   64   65   66 
The Effect of U-Turn on Travel Delay Based on Shockwave Review Fatonah, Dwi Rizki; Putra, Sasana; Putri Ofrial, Siti Anugrah Mulya
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1643

Abstract

Pangeran Antasari St. is a road with a high level of congestion, especially during peak hours. This of course causes cumulation of vehicles which will making queues of vehicles. The congestion and density have caused a lot of shockwaves phenomena in the traffic around Pangeran Antasari St. This study examines the shockwaves in the trip delay which are influenced by the U-turn. The data was collected at Pangeran Antasari St. on October 5, 2020 during 06.00-09.00 am and 15.00-18.00 pm. The types of vehicles observed were Motorcycle (MC), Light Vehicle (LV), and Heavy Vehicle (HV).The shockwaves value obtained using the Greenshield Method of Pangeran Antasari St. at the morning section obtained the shockwaves value with the value of the reverse shockwaves (ωab) = -2284.98 km/h, the reverse shockwaves recovery (ωcb) = -16.2602 km/h, shockwaves forward recovery (ωac) = 55.707 km/h. At the afternoon, the shockwaves value is obtained with the value (ωab) = 3,3706 km/h; reverse shock wave recovery (ωcb) = -10.0224 km/h; forward shock wave recovery (ωac) 5.6654 km/h. The queue length (Qm) that occurs is 0.05 km or 53 m with a normalizing time (T) of 20.4279 seconds.
The effect of side friction on road capacity (case study: teuku umar road and imam bonjol road) Hasyim, Abdurrachman Yusuf; Karami, Muhammad; Ofrial, Siti Anugrah Mulya Putri
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1661

Abstract

AbstractSide friction are side-road activities that have a significant effect. The high level of roadside activity affects the capacity and performance of roads in an urban area, with the cause of the growing and developing population activity every year. This study uses a method that is guided by the Guidelines for Indonesia's Road Capacity (PKJI 2014).  In this study, the value of side friction on Teuku Umar's road (Advent Hospital – Koga Market) was 567 skr / hour (medium class), while on Imam Bonjol's road (Langkapura) it was 158skr / hour (low class). For the Teuku Umar's road there was a decrease in capacity by 4%, while on the Imam Bonjol's road there was a decrease in capacity by 1%. The cause of congestion on Teuku Umar's road is due to vehicles turning around and vehicles coming in and out of the road, while on Imam Bonjol's road it is due to vehicles going in and out of the road. So that the alternative solution to overcome traffic jams on Teuku Umar's road (Koga market - RS Advent) is to curb motorists who stop carelessly on the road, and set the traffic signs that prohibited from stopping on each side of the road, while on Imam Bonjol's road (langkapura– kemiling) it is necessary to monitor vehicles entering / exiting the alley, because it has the potential to cause long traffic jams. Keywords : Side friction, Guidelines for Indonesia's Road Capacity, Traffic.
Uji Kepadatan Tanah Timbunan Pilihan Untuk Inti Bendung Terhadap Nilai Permeabilitas Anggraini, Hany Octavia; Iswan, Iswan; Afriani, Lusmeilia
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1665

Abstract

The development of infrastructure development in Indonesia is increasing in various areas, such as the construction of reservoirs, reservoirs, dams and other constuctions. One of the important things that is the basis of development is land because almost all buildings stand on the ground. Therefore, it is necessary to know the type of soil used and the nature of the soil permeability. Soil permeability describes the ability of the soil to pass water. Soil samples used were soil samples from Pamenang village, Pagelaran sub-district, Pringsewu district. Soil samples taken are disturbed and undisturbed soil samples. The soil is then compacted by the standard method and with the pressure method test apparatus at a pressure of 2,5 MPa, 5 MPa, 7,5 MPa, 10 MPa, 15 MPa, 20 MPa, and 30 MPa, each method has one sample being tested. Furthermore the permeability test was carried out to obtain the permeability coefficient value.Results from observations in the laboratory show that the greater the pressure exerted on the soil, the smaller the permeability coefficient. The relationship between the permeability coefficient and the standard compaction method and the pressure method obtained different permeability coefficient values.Keyword : Soil, Compaction, Pressure and Permeability
Gap Acceptance Review Of Traffic Conflic In The Road Of Raden Ajeng Kartini. Putri, Fakhriyah; Putra, Sasana; Karami, Muhammad
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1670

Abstract

The behavior of drivers who do not consider the movements of other drivers can cause traffic problems, such as congestion and traffic accidents that can occur on the road. The stagger intersection at Jalan Raden Ajeng Kartini is often crowded with vehicles that can cause congestion. This is due to the behavior of drivers crossing from Cut Nyak Dien road to Lindu road, causing a conflict of delays influenced by weaving movements. The purpose of this research is to analyze the amount of delay due to weaving motion on the Raden Ajeng Kartini road.This study uses an analysis of the gap acceptance approach, to get the big results of vehicle delays caused by weaving motion, the average gap time and critical gap.The results of this study show that the vehicle delay caused by weaving motion is 3.20 seconds and 8.93 seconds in the morning and evening. The average gap time was 82.50 seconds in the morning and 94.36 seconds in the afternoon, while the critical gap was 4.34 seconds in the morning and 3.88 seconds in the afternoon. Keywords: Gap Acceptance, Weaving, Delay.
Flyover Development Effectiveness In The Road Of Teuku Umar - Za Pagar Alam Bandar Lampung Pradana, Ridho; Sulistyorini, Rahayu; Karami, Muhammad
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1672

Abstract

Congestion problems are common in transportation, congestion can be caused by several things. The construction of the flyover is expected to be able to overcome congestion in the long term. This research was conducted to determine the effectiveness of the flyover construction on the Teuku Umar - ZA Pagar Alam road. This research was conducted during busy hours on Monday at the Teuku Umar road, ZA Pagar Alam and the nearest intersection.. From the results of calculations and analysis, it can be seen that the construction of an elevated bridge has no significant impact on the decomposition of the congestion problem in the Kedaton area and its surroundings, this can be seen from the level of service on all roads in the study area with a value of V / C Ratio <0.75. Meanwhile, the average degree of saturation obtained from the analysis of intersections with signal and no signal> 0.75. Construction of a flyover which illustrates that it will unravel traffic jams, in fact the performance of the flyover and the main road underneath has not increased. This needs to be addressed immediately considering the current traffic flow in Kedaton and its surroundings is already saturated. Therefore, the growth of vehicles is on time, and public transportation facilities need to be improved. So that people begin to switch to public transportation in order to reduce the incidence of congestion on these roads. Keywords : Road Performance, Degree of Saturation, Level of Road Service
Pengaruh Variasi Serat Polypropylene dan Faktor Air Semen Pada Uji Kuat Tekan, Kuat Tarik Belah dan Kuat Lentur Self Compacting Concrete (SCC) Gusti, Melinda; Noorhidana, Vera Agustriana; Irianti, Laksmi
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1683

Abstract

Self compacting concrete (SCC) adalahinovasi beton konvensional dalam menyesuaikan kebutuhan proses konsruksidengan tulangan rapat yang tidak memerlukan pemadatan. Pada penelitian ini sampel dibuat dalam 2 FAS yaitu 0,38 dan 0,5 dengan diberi penambahan serat polypropylene dengan volume fraksi sebesar 0%; 0,05%; 0,10% dan 0,15%. Penambahan ini dilakukan untuk mengetahui pengaruh serat polypropylene pada pada fas 0,38 dan 0,5 terhadap kuat tekan, kuat tarik belah dan kuat lentur. Sampel dalam penelitian ini adalah kubus (15 x 15 x 15 cm) untuk pengujian kuat tekan, silinder (diameter 15 cm dan tinggu 30 cm) untuk pengujian kuat tarik belah, dan balok (10 x 10 x 40 cm) untuk pengujian kuat lentur beton. Kemudian ketiganya diuji pada umur 28 hari.Pada FAS 0,38 dengan penambahan polypropylene sebesar 0,05% terjadi peningkatan nilai kuat tekan beton dari 43,90 MPa menjadi 45,38 MPa, nilai kuat tarik belah dari 2,67 MPa menjadi 4,04 MPa, dan nilai kuat lentur beton dari 2,25 MPa menjadi 6,62 MPa dari beton tanpa serat. Pada FAS 0,5 dengan penambahan polypropylene sebesar 0,05% terjadi peningkatan nilai kuat tekan beton dari 28,38 MPa menjadi 31,83 MPa, nilai kuat tarik belah dari 2,66 MPa menjadi 2,75 MPa, dan nilai kuat lentur beton dari 1,61 MPa menjadi 5,69 MPa dari beton tanpa serat.
Analisis Pemilihan Moda Transportasi Penumpang Antara Kereta Api dan Bus Rute Bandar Lampung – Palembang dengan Metode Discrete Choice Model Sentanu, Wayan Yogie; Purba, Aleksander; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1692

Abstract

Choosing the right mode of transportation is something that passengers want, but with the advantages and disadvantages of existing transportation modes can affect the number of users of these modes of transportation. The purpose of this study was to determine the factors and probability of choosing the mode of passenger transportation between trains and buses with the Bandar Lampung - Palembang route. The method used in this research is the Discrete Choice Model method, with the analysis used is linear regression analysis of the two models used, namely the difference binary logit model and the binary logit ratio. Based on the research results, the probability value from the bus mode selection analysis is known if the value (∆C) = 0, the probability value with the binary logit model is the difference = 35%, and if the value (∆C) = 100000 then the probability value increases to 41%. Meanwhile, if (C1 / C2) = 0.1, then the probability value with the binary logit model ratio = 58%, and if the value (C1 / C2) = 1 then the probability value increases to 35%. From the results of the analysis carried out, the dominant factors influence the choice of mode of transportation by route Bandar Lampung - Palembang is the cost of transportation cheap, and comfort level of service.Keywords : modal choice, binary logit, discrete choice model, probability
Comparative Analysis of Measured Tidal Data with Tidal Data from Forecasting (Case Study of Tanjung Priok Tidal Station) Dinaryoko, Arif; Zakaria, Ahmad; Tugiono, Subuh
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1693

Abstract

AbstractThis research was conducted to study the tidal characteristics. The data used in this study are the hourly tide data measured in the field and the tidal data from the BIG with data length from 1985 to 1989 at the Tanjung Priok tidal station, Jakarta Province, Indonesia. This modeling is carried out using a data length of 30 days for a data term of 720. By using the observational data and applying it in the Anfor program which uses the least squares method, produces a tidal periodic model that is obtained using 9 tidal harmonic components. From the results of modeling and measured data it can be seen the correlation coefficient. Based on these results, it can be concluded that the measured tide data components with the BIG tide data components are similar. The average correlation coefficient between the two data sets was 0.9644. From this research it can be seen that the value of the tidal data is said to be very good. Keywords: daily tides, correlation coefficient
Pengaruh Penggunaan Semen PCC pada Kuat Lentur Perkerasan Kaku dengan Penambahan Serat Kulit Kayu Gelam Pada Campuran Beton Aditya, Yudha Gempa; Niken D.W.S.B.U, Chatarina; Putra, Sasana
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1701

Abstract

The flexural strength of rigid pavement is the dominant parameter that influences the concrete pavement performance. In general, concrete is weak against its flexural tensile strength. One alternative that can be used to increase its flexural tensile strength is by adding artificial fibers and/or natural fibers to the concrete mixture. The purpose of this research is to find the effect of adding gelam bark fibers towards compressive strength, split tensile strength, and flexural strength of concrete using PCC cement. In this study, the concrete mixture was added with various percentages of fiber content i.e. 0,2%; 0,3%; 0,4%; 0,6%. The concrete was tested and compared its value of compressive strength, split tensile strength and flexural strength. The results of this study showed that the most influential use of fiber for concrete pavement was 0,4%. The addition of gelam bark fiber by 0,4% could increase the tensile strength of the concrete mixture aged 28 days and 56 days respectively by 6,95% and 23.72% toward the concrete without fibers. The testing of concrete at 28 days age results the split tensile strength value decreased by 4,2% and the compressive strength test decreased by 4,7%.Keywords: Gelam bark fiber, PCC cement, OPC cement, flexural tensile strength, split tensile strength and compressive strength
Analisis Pemodelan Numerik Redaman Breakwater Tenggelam Tipe Berlubang dan Tidak Berlubang Menggunakan Sigerd Lukitawati, Annika; Zakaria, Ahmad; Tugiono, Subuh; Winarno, Dwijoko
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 1 (2021): Edisi Maret 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i1.1714

Abstract

Continuous waves crashing into the coastal area can cause abrasion on the coast and damage facilities and settlements in the area. Therefore, a coastal protection building is needed to reduce wave energy before arriving at the beach such as a breakwater. To design a breakwater it is necessary to pay attention to wave deformation, one of which is wave diffraction. Where the wave when obstructed by an obstacle will bend around the end of the obstacle and enter the protected area behind it. The complex phenomena of nature are described in terms of equations, but they are difficult to solve analytically. So in this study solved numerically with the help of a computer with 2D wave simulation software based on the principle of the hyperbolic equation propagation model. Then get the results in the form of diffraction coefficient values that are close to the results obtained in the physical model research that has been carried out. Changes in wave height occur after passing through the breakwater which indicates a change in energy from before and after passing through the breakwater.

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