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INDONESIA
Rekayasa Sipil
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 551 Documents
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ANALISIS PENGARUH P-DELTA EFFECT TERHADAP PERBEDAAN KETINGGIAN STRUKTUR GEDUNG TAHAN GEMPA (STUDI KASUS: NON-HIGHRISE BUILDING) Istiono, Heri; Ramadhan, Azhar Yusuf
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.8

Abstract

The need for earthquake resistant buildings in Indonesia is something that needs to be considered. Considering that Indonesia is an earthquake prone area. A building structure must be designed to be able to withstand lateral loads such as earthquakes within the limits set by the code/standards. For conservative reasons analysis of the P-Delta Effect needs to be considered because the building development ratio will always increase every time. according to SNI 1726-2019 the P-Delta effect is only required for the design of tall buildings. In this case, the P-Delta effect will be calculated in the modeling of non-high-rise buildings and get the results that P-Delta Effect increased story forces: moment of the building under 10%.
PENGARUH KONSENTRASI EKSTRAK DAUN TEMBAKAU SEBAGAI INHIBITOR PADA TULANGAN BETON BERTULANG Sultan, Mufti Amir; Barmawi, Nurtalia; Abbas, Muhammad Yunus Hi
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.3

Abstract

Reinforced concrete structures that are destroyed due to corrosion attacks need serious handling. One method of preventing corrosion is by using an inhibitor. In this study, the inhibitors used were tobacco leaf extract inhibitors with variations of 0%, 4% and 8%. The method used to analyze the corrosion rate that occurs is the weight loss method. Tests carried out by providing electricity to the test object using a voltage of 5V. The results showed that the influence of the addition of tobacco extract inhibitors at concentrations of 4% and 8% was able to reduce the density of anodic and cathodic currents which resulted in a reduced corrosion rate in steel reinforcement. This proves that tobacco extract can be used as a green corrosion inhibitor because it effectively decreases the corrosion rate.
PENERAPAN KEPPRES NOMOR 80 TAHUN 2003 DALAM PROSES PEMILIHAN PEMENANG TENDER PROYEK KONSTRUKSI DI SUMATERA BARAT Martalius Peli; Vivi Ariani
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.4

Abstract

Tender is a competition system for selecting contractors who will carry out development activities. The mistake of the tender committee in choosing a contractor will cause losses to the project owner. To avoid that mistake, the tender committee must know the capabilities and quality of the contractor, so an assessment of the capabilities of the contractor (construction service) is needed. This research was conducted only for the tender process of physical work and the questionnaire was given to 50 contractor companies in West Sumatra to determine the weight of seven criteria of the most important assessment process in tender tenders in accordance with Presidential Decree No. 80 Republic of Indonesia year 2003 (Keputusan Presiden No. 80 tahun 2003). 50 questionnaires are distributed with result 43 returned questionnaires showed that the assessment criteria for implementation time had the highest percentege of 19% followed by work methods and experts with a percentege of 17% and subsequently company capital with a percentege of 16%, and working capital received the fourth demand with a percentage of 11%, while the company's experience and ranks last is equipment with a percentege of 10%.
PERENCANAAN JUMLAH TOLL GATE Muhammad Zainul Arifin; Devina Candra Puspita Rini; Khairul Arifin; Ludfi Djakfar
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.8

Abstract

Pasuruan-Probolinggo toll road was built to increase economic sector in East Java Region. Prior to construction, it’s necessary to analyze potential of toll road users and planning the ideal number of toll gates to comply with minimum service standards. This study uses Stated Preference method to determine vehicle switch, planning of ideal toll gates using Poisson Distribution, and FIFO queuing model used to analyze toll gate service system. Based on analysis, the largest potential road users who will switch to use Pasuruan-Probolinggo toll road section IV in 2021, 2025, 2030, 2035, and 2040 are 5,49%, 23,84%, 30,63%, 30,63%, and 30,63%. The calculation of toll gates is adjusted to the calculation of potential toll road users in 2025, 2030, 2035, and 2040 with the arrival of 385, 503, 657, and 858 vehicles/hour/strip. So, the ideal number of toll gates needed in 2025-2030, are 4 units, and 2035-2040 are 8 units of toll gates.
MITIGASI BENCANA BERDASARKAN NILAI SHEAR STRAIN TANAH AKIBAT GEMPA BUMI PADA TEMPAT PEMBUANGAN AKHIR (TPA) NGIPIK, GRESIK Siti Nurlita Fitri; Ria Asih Aryani Soemitro; Dwa Desa Warnana
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.9

Abstract

Ngipik Landfill located in Gresik, East Java has a several active fault. As a result, this area has high possibility as an earthquake prone area. In addition, It has not prevent’s layer under the bottom of the construction to control the leachate’s spread. This study aim to analyze the earthquake hazard map for the region based on the values of ground shear strain. The data was conducted by microtremor measurement and Plaxis modeling. The result of this study shows the shear strain value range between 3.5 x 10-3 to 12.5 x 10-3. The highest value is around the east and west-north area and indicated the high risk of damage under ground motion. The output of the research must consider as preliminary site mitigation of  Ngipik Landfill.
Analisis Pengaruh Panjang dan Bentuk Fiber Kaleng Bekas Terhadap Kuat Lentur dan Lebar Retak Balok Beton Bertulang Indradi Wijatmiko; Ari Wibowo; Christin Remayanti Nainggolan
Rekayasa Sipil Vol 14, No 1 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.01.10

Abstract

Pemanfaatan limbah sebagai material konstruksi merupakan salah satu inovasi dan solusi untuk mengurangi limbah. Pemanfaatan material limbah tersebut tidak hanya untuk mengtasi limbah tetapi juga untuk menghasilkan material konstruksi yang kuat dan bersifat green building. Salah satu limbah yang dapat dimanfaatkan dan banyak ditemukan di lingkungan sekitar adalah kaleng kemasan baik untuk minuman maupun makanan. Kaleng bekas kemasan merupakan material yang dapat didaur ulang dan dimanfaatkan kembali. Dengan menemukan manfaat lain dari kaleng bekas tentu akan meningkatkan nilai ekonomi dan fungsi dari kaleng bekas sehingga masyarakat dapat melihat sisi dan nilai lain dari kaleng bekas. Kaleng bekas yang telah dipotong-potong sehingga menyerupai serat/fiber dapat menjadi material fiber pada beton bertulang. Pada penelitian ini kaleng bekas dipotong sehingga dimensi nya menjadi 2 x 40 mm (polos dan pilin) dan 2 x 80 mm (polos). Fiber tersebut ditambahkan sebanyak 10% dari volume benda uji dan kemudian dilakukan uji lentur dan pengamatan lebar retak. Beton fiber memiliki kelemahan yaitu lemahnya ikatan antara fiber dengan semen sehingga dilakukan penelitian mengenai pengaruh panjang dan bentuk fiber kaleng bekas terhadap kuat lentur dan lebar retak beton betulang. Variasi fiber 80 mm polos memiliki bidang geser yang lebih luas daripada variasi lainnya sehingga memiliki ikatan fiber semen yang lebih baik dan dapat meningkatkan kuat lentur dan mengurangi retakan yang terjadi.
KUAT TEKAN DAN TARIK BELAH PADA BETON YANG MENGGUNAKAN AGREGAT KASAR LIMBAH PLASTIK Erniati Bachtiar; Muh Arief Muzakkir; Takwin Takwin; Sri Gusty; Nur Khaerat Nur
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.4

Abstract

Plastic represent thousands of materials with different physical, mechanical, and chemical properties. As plastic demand and usage increase, it is undeniable that the amount of plastic waste will increase. Plastic has the features of which cannot rot; it does not decompose naturally; it cannot absorb water or cannot rust. So it will eventually cause problems for the environment. This study aims to determine the compressive strength and tensile strength of concrete mixes that use coarse aggregates of plastic waste as a substitute for natural aggregates / broken rocks. There are three variations of samples made with mutations in the type of plastic used, namely PP (Polypropylene) plastic, PET (Polyethylene Terephthalate) plastic, and PP & PET combination plastic. The specimen is cylindrical, with a size of 10 cm x 20 cm. Compressive strength and tensile strength testing is carried out at 28 days according to SNI standards. The results obtained the compressive strength obtained on each variation of standard concrete samples, PP aggregate concrete, PET aggregate concrete, and PP & PET aggregate concrete, respectively, of 21.64 MPa, 10.61 MPa, 8.48 MPa, and 10.18 MPa. Whereas for the splitting tensile strength of standard concrete, PP aggregate concrete, PET aggregate concrete, and PP & PET aggregate concrete respectively were 2.86 MPa, 1.80 MPa, 1.70 MPa, and 1.80 MPa.
EFFECT OF GGC (GEOFOAM GRANULE COLUMN) ON ACCELERATION OF SETTLEMENT IN SOFT SOIL Adelina Maulidya Firdaus; Yulvi Zaika; As'ad Munawir
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.5

Abstract

Soft soils has low bearing capacity and high compressibility whichis potentially damage the structure laid above it.An effort is taken to use EPS beads to form GGC will accelerate of consolidation process. The purpose of study to investigate the influence of density and diameters of GGC against strength and settlement. Triaxial test are conducted to identify the shear strength parameter after consolidation test were done. The equivalence value of permeability (kve) is calculated using the Chai Method (2001) by considering smear effect. Test results showed that the settlement of soft soil in 90 degree consolidation reached in short period of time upon for smallest density and largest diameter of GCC.
EVALUASI PENERAPAN STANDAR DAN PEDOMAN BIDANG JALAN DAN JEMBATAN Anne Kartika Panggabean; Anton Soekiman
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.9

Abstract

Standardization, as one of the supporting activities for infrastructure development, has an important role in the utilization of resources and all development activities. Until now, 270 SNI documents and 143 road and bridge guidance documents have been published. Standards and guidelines that have been prepared needs to be evaluated for their application. The purpose of this study is to determinate the percentage of use of road dan bridge standards and guidelines, what the factors that influence the use of road and bridge standards and guidelines, and how to take the alternative strategies to improve the implementation standards and guidelines for road and bridge. The methodology used for determinate factors that influence the use of standards dan guidelines for road and bridges is logistic regression analysis, and to find alternative strategy to improve standards and guidelines is use SWOT analysis method. The result of this study is the use of standards and guidelines for road and bridges is still below 50%.  There are 4 factors that influence the use of road and bridge standards and guidelines significantly. The result of SWOT analysis is, the implementation of standards dan guidelines for road and bridges is in quadrant I, which is an advantageous position but need some improvements implementations in the future.
Life Cycle Assessment (LCA) Analysis Of Concrete Slab Construction For Estimating The Environmental Impact Annisa Nur Rakhmawati; Yatnanta Padma Devia; Indradi Wijatmiko
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.10

Abstract

Global warming and air pollution become one of the environmental issues facing the world. the construction sector consumes about 40% of total global energy. Many strategies have been adopted to improve the efficiency of building construction to reduce material consumption and carbon emissions. One way to find out the environmental impact and carbon emissions produced is with a Life Cycle Assessment (LCA). This study aims to predict the environmental impact of concrete slab construction in two-story dwellings using the Life Cycle Assessment (LCA) approach of the material used with the help of software, namely Simapro 9.0. The scope of the study is the cradle to the grave. The results of the SimaPro 9.0 concrete plate construction analysis, especially in global warming are 1.02, E+07 kg CO2 eq. The biggest contribution to the manufacture of concrete slabs is the casting process with a value of 1.00, E+07 kg CO2 eq.

Page 35 of 56 | Total Record : 551

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