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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 545 Documents
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Pengaruh Penambahan Semen pada Tanah Lempung terhadap Parameter Konsolidasi dan Kecepatan Penurunan Dwitya, Fara; Putra, Andius Dasa; Iswan, I
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1789

Abstract

Soil is a subgrade for basic building construction. While receiving the load, soil will settle, which take long time to complete for soft clays because of its low permeability. The problem that is caused by settlement as seen in Palembapang, Umbul Ligoh, South Lampung has low bearing capacity, this leads to cracks in the house walls, bumpy roads, and the settlement of the road constructions. One of the soil stabilization effort is addingcement as an additive material because it has very fine particles so that it can fill the soil pores and bond to the contact area between the soil grains and has a function as a strong binder. This work aimed to study the parameters of the compression index (Cc), coefficient of consolidation (Cv), consolidation settlement (Sc) and time of consolidation (t) due to soft clay mixing with cement as a soil stabilization material with percentage of 4%, 8% and 12%. Due to cement addition into soft clay, compaction with the standard proctor experienced a decrease the optimum moisture content (OMC) and an increase in the weight of maximum dry volume. In addition, in the consolidation test, the compression index (Cc) and consolidation settlement (Sc) decreased 7,95% and 5,44%, moreover the coefficient consolidation (Cv) increase 2,74% and the time of consolidation (t) were faster. The most change on consolidation parameter was recorded by the sample mixed with 12% of cement.
Perubahan Perilaku Tanah Lempung Lunak Akibat Stabilisasi dengan Bahan Aditif Kapur menggunkaan Metode Deep Soil Mixing Pola Triangular Pangestu, Beno Balakosa; Iswan, Iswan; Putra, Andius Dasa
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1797

Abstract

Pelembapang, South Lampung has a soft clay soil structure. Soft clay soil has a low bearing capacity value This has an effect on the building to be built on it. Therefore, soil stabilization must be carried out. The method used in this study is the deep soil mixing (DSM) method, which is one of the soil improvement method by mixing additional materials in the field (in-site). This method is more affordable because they use their soil as theiraggregate and reduce the transportation budget because of stuff supply.The purpose of this study is to determine the change of soil load-bearing capacity due to the variation of distance and the diameter of the DSM stabilization column on soft clay soil and soft clay soil with 8% lime. This study shows that the stabilization of soft clay soil using DSM of 8% lime with triangular configuration has increased its load-bearing capacity (qu) from10.368 kg/cm2 to 12.96 kg/cm2. The increase of soil load-bearing capacity with the stabilization of the DSM column is proportional to the volume of soil improvement. The largest increase of the soil load-bearing capacity occurred in 1D columns range and 3.75 cm diameter. The distance variation also gives a more significant change compared to the variation of diameter. The most efficient distance and diameter are at the variation of the distance of 1.25D columns range and 2.5 cm diameter.
Modifikasi Struktur Rumah Sakit Umum Hermina Lampung dengan Metode Sistem Rangka Bresing Eksentris (SRBE) untuk Bangunan Tahan Gempa Sarifuddin, Lukman; Isneini, Mohd; Sebayang, Surya
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1798

Abstract

Eccentrically Braced Frame System (EBFs) is a diagonal brace system which at least one end of each supporting element supports the beam at a certain distance from the location of the beam-column joint, or from another diagonal end by a distance called a link or eccentricity. . This study aims to determine how to plan a steel structure building using the Eccentrically Braced Frame System (EBFs) method and to find out how the joint planning method for the steel structure.Hermina Lampung General Hospital is a building consisting of eight floors built using reinforced concrete construction which will be re-planned using the Eccentrically Braced Frame System (EBFs). The standard provisions in the calculations used in this study refer to SNI 1729 (2020) about cerning the Procedure for Planning Building Steel Structures.Based on the results of the research that has been done, it can be concluded that in calculating the steel frame structure using Eccentrically Braced Frame System (EBFs) can be planned based on SNI 1729 (2020) or AISC 360 (2016), but to calculate the link and brace components refer to SNI 7860 (2020) or AISC 341 (2016). Meanwhile, connection planning can be carried out based on SNI 1729 (2020) and SNI 7860 (2020) by using two methods, namely load and resistance factor design (LRFD) and allowable strength design (ASD).
Comparative Analysis of Tidal Data from Forecasting Results with Measured Tide Data (Meneng Tidal Station Case Study) Purna, Bagus Mustofa; Zakaria, Ahmad; Mariyanto, Mariyanto
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1801

Abstract

AbstractThis research to find the similarity of the tidal characteristics of sea water, especially in the sea waters in the Meneng station area, where the data used is both hourly tide data from tide data from the website http: //tides.big.go.id and field measured tidal data for a period of 5 years, from 1988 to 1992 at the Meneng tidal station, East Java, Indonesia. The data used in this research have a minimum data length of 720 hours or 30 days, using 9 tidal harmonic components using the least squares method and then converted into the ANFOR program (Zakaria, 2005), this program can produce a periodic tidal data model. including the amplitude value that can be used to see a tidal characteristic of sea water. After the tidal data is modeled and analyzed, the correlation coefficient is generated. From the results of this study, it can be concluded that the component results obtained from the hourly tide data from the website http://tides.big.go.id and field measured data have something in common with the generated tidal components. The average correlation coefficient of the two data is 0.8010 and is included in the very good category. Keywords: tides, ANFOR, correlation coefficient
Hubungan Sifat-Sifat Fisik Tanah dan Aktivitas Tanah Terhadap Nilai Koefisien Permeabilitas Yang Dipengaruhi Campuran Semen Berdasarkan Uji Laboratorium Ariana, S. Indira Adhi; Iswan, Iswan; Syah, Aminudin
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1807

Abstract

Soil is the materials that has a very important role to support the construction on it. Soil permeability value for every construction is different. Such differences affect the strength of a civil construction to be built. The problem that is caused by settlement as seen in Palembapang, Umbul Ligoh, the soil is soft in the rainy season and its bearing capacity becomes low, so it makes a lot of construction problems. Therefore it is necessary to attempt to manipulate the soil permeability value by adding cement as an additive ingredients with the percentage of 0%, 4%, 8% and 12% to a soil permeability values obtained in order to meet the standard of civil construction to be built. Cement has very fine particles so that it can fill the soil pores and has a function as a strong binder. In testing physical properties, the soil includes the classification of A-7-6 soil or poorly categorized soil types.Due to cement addition into soft clay, compaction with the standard proctor experienced a decrease the optimum moisture content (OMC) and an increase in the weight of maximum dry volume, then in the permeability test, the permeability coefficient decreased 2,52%. The composition of the cement mixture affects the value of soil permeability. The lower permeability value follows the amount of cement mixture on the soil. The most change on permeability coefficient was recorded by the sample mixed with 12% of cement.
Analisis Pengaruh Beban Gempa pada Gedung Tujuh Lantai Menggunakan Metode Statik Ekuivalen (Studi Kasus Rumah Sakit Ibu dan Anak Hermina Lampung) Wafi, Alvino; Isneini, Mohd; Husni, Hasti Riakara
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1809

Abstract

Earthquake is one of the natural disasters that often occurs in Indonesia. One of the effects of earthquake natural disasters is that it can damage building structures. Therefore, the building to be built should take into account the effect of the earthquake load. Planning for a safe multi-storey building must minimize the risk of casualties, especially for health building facilities where there is a lot of human activity. SNI 1726: 2019 is the latest regulation governing the planning procedures for earthquake resistant buildings. In this research, structural modeling software is used to facilitate the analysis to be carried out. The expected results of this study are (1) Comparison of the value of the force in the RSIA Hermina building structure without earthquake loads and with earthquake loads (2) The ability of the RSIA Hermina building structure to withstand the internal forces generated from the analysis using the equivalent static method. From the results of this study, it was found that the increase in moment and latitude values in the beam and column was 2 to 20 times. Meanwhile, the floor slab structure does not experience the impact due to earthquake loads.
Feasibility Study of Flyover Project on R.A. Basyid Street – Untung Suropati Reviewed in Terms of Traffic and Economic Engineering Hutagalung, Alfrido; Sulistyorini, Rahayu; Herianto, Dwi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 2 (2021): Edisi Juni 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i2.1813

Abstract

AbstractTraffic jam is a problem that always exists as an area develops, especially at the Untung Suropati intersection in Bandarlampung City. To solve the problem, a fly over is built and a feasibility study is needed.Feasibility studies conducted are reviewed in terms of traffic performance using pkji method. In terms of economy, it is reviewed from BCR and NPV parameters by analyzing saving of vehicle operating costs variables and Vehicle Travel Time Value.With the development, the degree of saturation for the direction of Labuhan Dalam – Labuhan Ratu decreased from 0.57 to 0.32, for the direction of Labuhan Ratu – Labuhan Dalam reduced from 0.66 to 0.32, for way Halim – Rajabasa reduced from 0.80 to 0.41 and for rajabasa direction – Way Halim reduced from 0.82 to 0.46 so it is said to be feasible in terms of traffic performance. In terms of economy obtained bcr value is 10,059 and NPV is Rp 398,062,846,073.96. So in terms of economics it is said to be feasible.Keywords: Feasibility, Flyover, Traffic jam
Studi Kasus Pada Ruas Jalan Kecamatan Batu Ketulis Lampung Barat dengan Menggunakan Analisis Komputasi dan Metode Penanganannya Nawawi, M Lucky Apriansyah; Iswan, I; Zakaria, Ahmad
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 3 (2021): Edisi September 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i3.1871

Abstract

Batu Ketulis is a sub-district located in West Lampung Regency, Lampung province. West Lampung is one of the areas in Lampung that has landslide-prone potential. This study is to determine the value of slope safety factors and calculate the stability of slopes using Bronjong to hold the soil carrying capacity to be safe and not landslide, which is calculated using computational programs with fellenius method, bishop with saturated, partially saturated, and unsaturated groundwater face conditions. The results showed that soil parameters affect the stability of the slope, the condition of fully saturated soil has the lowest value compared to other conditions. From the results of the study obtained the value of the smallest safe factor before handling, namely at location II with an elevation of 20 m and a slope angle of 30° ,35° ,40° of 1,074, 1,023, 1,008 in the condition of fully saturated groundwater face. In the condition of the slope after handling using bronjong obtained a value of 2,462, 2,303, 2,223 for the Fellenius method, while for the Bishop method of 2.12, 2,006, 1.95. Handling using bronjong has a big effect on increasing safe factors so that landslide handling using bronjong is quite stable if applied at the research site.
Analisis Perubahan Kinerja Lalu Lintas Selama Masa New Normal Akibat Pandemi Covid-19 (Studi Kasus JL. R.A. Kartini) Ultriyani, Resty Jenni; Sulistyorini, Rahayu; Ofrial, Siti Anugrah Mulya Putri
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 3 (2021): Edisi September 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i3.1883

Abstract

The Covid-19 virus causes a decrease in the activity of transportation movements on the R.A. Kartini. As a result of the decrease in transportation movement, it can have a positive effect, namely the reduction of traffic jams on Jalan RA Kartini. In connection with the above problems, it is necessary to study the road performance of R.A. Kartini during the new normal period which can then be compared with the road performance of R.A. Kartini during normal times, in order to find out how much changes in traffic performance on R.A. Kartini due to Covid-19. Thus, this study aims to determine the road performance of R.A. Kartini in new normal condition and normal condition. The results of this study indicate that there has been a change in the level of road services on Jalan R.A. Kartini with road service level during normal condition class D becomes class B road service level when new normal condition.Key words: Road Performance, Degree of Saturation, Traffic Volume, Capacity.
Analisis Karakteristik dan Kebutuhan Parkir di Pasar Bambu Kuning Bandar Lampung prambudi, agung; Sulistyorini, Rahayu; Putra, Sasana
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 9 No. 3 (2021): Edisi September 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i3.1893

Abstract

Parking is a temporary condition of not moving a vehicle. One of the parking requirements is Pasar Bambu Kuning Bandar Lampung. However, they prefer to park on the shoulder of the road and cause congestion around the market. The purpose of this study was to determine and analyze the characteristics of parking at Pasar Bambu Kuning in Bandar Lampung and to analyze the capacity and needs of parking spaces at Pasar Bambu Kuning in Bandar Lampung.  The results showed that the highest frequency of four-wheeled vehicles was 395 vehicles / 3 hours, while the highest frequency of two-wheeled vehicles was 653 vehicles / 5 hours in on-street conditions. The highest parking turnover rates for four-wheeled and two-wheeled vehicles are 1.518 vehicles / SRP / hour and 0.445 vehicles / SRP / hour, respectively, then the highest parking index values for four-wheeled and two-wheeled vehicles are 144% and 72.5%, respectively. . The maximum parking capacity for four-wheeled and two-wheeled vehicles is 281 vehicles / hour and 618 vehicles / hour respectively and the parking requirements for four-wheeled and two-wheeled vehicles are 73 SRP and 82 SRP. Keywords: parking, parking accumulation, frequency, average duration, cumulative frequency, turnover rate, parking capacity, parking demand.

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