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Redaktur Jurnal RACIC Universitas Abdurrab: Gedung Universitas Abdurrab Pekanbaru Jl. Riau Ujung No. 73 Pekanbaru Riau - Indonesia
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RACIC : Rab Construction Research
Published by Universitas Abdurrab
ISSN : 25277073     EISSN : 26203170     DOI : https://doi.org/10.36341/racic
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
RACIC "Rab Construction Research" (ISSN 2527-7073) adalah Jurnal yang dikelola oleh Program Studi Teknik Sipil, Fakultas Teknik Universitas Abdurrab, yang terbit secara berkala dalam dua edisi per tahun.
Arjuna Subject : -
Articles 122 Documents
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IDENTIFIKASI FAKTOR YANG BERPENGARUH TERHADAP KINERJA WAKTU PELAKSANAAN PROYEK PENGADAAN TRANSMISI 500KV SUMATERA Burhanuddin Robbani
Racic : Rab Construction Research Vol 4 No 2 (2019): Desember
Publisher : LPPM Universitas Abdurrab

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Abstract

The construction of the 500 kV Sumatra transmission network is the main project supporting the transmission line below and first on the island of Sumatra. With the Engineering, Procurement, and Construction (EPC) project scheme in its implementation the main contractor experienced several technical and non-technical constraints that affected the time performance of the project itself. This study aims to identify the factors that influence the performance of the project implementation time from the pre-construction stage (licensing, land clearing, and design planning) to the construction of the construction. The research method used is a survey method of the Project Implementation Unit with analysis using the Relative Importance Index (RII) method. The results showed that factors related to licensing problems from the government, inaccurate survey data (Pre-Design), and scarcity of raw materials are the three main problems that affect the performance time of the Sumatra 500 kV transmission development project
PERILAKU STRUKTUR LANTAI PSSDB (PROFILED STEEL SHEET DRY BOARD) DENGAN LUBANG BULAT DITENGAH Muhammad Yazid
Racic : Rab Construction Research Vol 4 No 2 (2019): Desember
Publisher : LPPM Universitas Abdurrab

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Abstract

The knowledge on the behaviour of a building structure is very important in order to predict the behaviour of the structure before it is constructed. This is to ensure that the structure is safe to be used. New current modern technology is now able to predict the behaviour of a structure through computer simulation as a replacement to laboratory tests. However, laboratory tests will also have to be performed in order to validate the proposed computer models. This thesis illustrates the prediction of the structural behaviour of Profiled Steel Sheet Dry Board (PSSDB) which is a structural composite floor system constructed of Bondek II (profiled steel sheeting), Cemboard (dry board) connected via Power Drive DX14 (self drilling, self tapping screws). The floor structure is loaded with a uniformly distributed loading and its behaviour due to the openings at the center of the panel analysed using a finite element perangkat lunak package, LUSAS-FE. The one-way spanning plate have been analysed in this research. The increase in deflection in the longitudinal direction is found to be more influenced by the presence of the opening than the deflection in the transverse direction. The average percentage of the increase in deflection of the one-way spanning plate due to the presence of 20%, 40%, and 60% opening of its overall width are 36%, 108%, and 184% respectively in comparison to the deflection of plate without opening. It has been found that as the size of opening increases, the deflection also increased.
PERILAKU STRES JALUR UJI TRIAKSIAL PADA TANAH LEMPUNG KARAWANG puspa ningrum
Racic : Rab Construction Research Vol 4 No 2 (2019): Desember
Publisher : LPPM Universitas Abdurrab

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Abstract

Generally, laboratory testing to determine the value of soil shear strength and stress path is triaxial test, especially for clay soil. In this research, the clay used for digital triaxial testing on axial compression (AC) stress path is Karawang clay soil, West Java, which have high plasticity (CH) in USCS classification. On pre-saturation process, a combination of vaccum and back pressure is used to speed up the saturation of the sample and to provide a high degree of saturation. Furthermore, the obtained soil parameters are used as inputs on finite element modeling which Mohr Coloumb and Hardening Soil model were used as the soil constitutive models. The results show that parameter optimization using hardening soil modeling has a behavior that is closer to the shape of the stress strain curve from laboratory tests.
A Decision Making PEMILIHAN LOKASI PENANGANAN PANTAI PROVINSI RIAU BERDASARKAN ANALYTICAL HIERARCHY PROCESS (AHP) Rizki Ramadhan Husaini
Racic : Rab Construction Research Vol 4 No 2 (2019): Desember
Publisher : LPPM Universitas Abdurrab

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Abstract

ABSTRACT Riau Province is one of the provinces that has several coastal areas, both in the mainland and the islands. The handling of many coastal locations in Riau Province is a problem for relevant agencies in making decisions about which coastal locations will be prioritized for handling. This study analyzes the level of coastal vulnerability and decision-making systems in terms of determining the priority of coastal areas to be handled using the Analytical Hierarchy Process (AHP) method. The results showed that Tanjung Motong beach, Kepulauan Meranti Regency and Coastal Pambang Beach in Bengkalis Regency were the highest vulnerability beaches with a value of 244.95. The criteria for strategic issues with sub-criteria for national strategic areas have the highest level of influence for determining the priority of coastal handling areas, which is 73%. Coastal Pambang Beach in Bengkalis Regency is a coastal area that is located in a national strategic area that gets priority handling. Keywords: Beach, Vulnerability, Priority, Criteria, Analytical Hierarchy Process (AHP)
PENGARUH LIMBAH PLASTIK BOTOL (LELEH) SEBAGAI MATERIAL TAMBAH TERHADAP KUAT LENTUR BETON DONI RINALDI BASRI
Racic : Rab Construction Research Vol 4 No 2 (2019): Desember
Publisher : LPPM Universitas Abdurrab

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Abstract

In construction concrete is the most widely used building material in the world, both in construction. Concrete is a composite building material made from a combination of aggregate and cement binder. The most common form of concrete is portland cement concrete, which consists of mineral aggregates (gravel, and sand), cement and water. Indonesia is the country with the 2nd largest plastic waste producer in the world on June 7, 2017, with data on the amount of plastic in the high seas of Indonesia reaching 0.48-1.29 million tons annually. Therefore, one way to cope with plastic waste, on this occasion the author tries to conduct an experiment about the Effect of Utilization of Bottled Plastic Waste as an Additional Material on Concrete Flexural Strength. This research was carried out by making concrete with the addition of alternative polymeric materials, namely plastic bottle waste (PET). The variation of the percentage of the addition of plastic bottle waste in this study is 0%, 2%, 3%, 5% of the mass of cement and concrete material used materials originating from Kampar Regency and Padang cement with the type of PCC (Portland Composite Cement). The results of the flexural strength test, obtained the quality of concrete has decreased, which in the mix of 3% decreased concrete quality is quite low from the mixture (0%, 2%, 3% & 5%), from 53.93 kg / cm2 in the mixture of 0% to 45.09 kg / cm2 in a mixture of 3%.
ANALISIS TEBAL RIGID PAVEMENT DENGAN METODE BINA MARGA PD T-14-2013 (STUDI KASUS : SP. AIR HITAM – SP. GEMAR MENABUNG KOTA PEKANBARU) Husni Mubarak; husnah husnah; Hasan Hasan
Racic : Rab Construction Research Vol 4 No 1 (2019): Juni
Publisher : LPPM Universitas Abdurrab

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Abstract

The intersection of Sudirman - the Soekarno Pekanbaru intersection road is a provincial road where the project work has been completed. The road is a place for passing passenger cars, light vehicles and heavy vehicles with varied vehicle axes. This research will discuss the rigid pavement design that has been issued by the Directorate General of Highways, namely Pd T-14-2003. The purpose of this study was to recalculate the thickness of the pavement using the Bina Marga Pd T-14-2003 method. Specifically conducted a comparative analysis of rigid pavement thickness using the Bina Marga Pd T-14-2003 method with existing conditions in the field. The calculation method for rigid pavement carried out is the HVAG (Heavy Vehicle Axle Group) method on the cement concrete pavement planning guide. After comparison analysis was obtained, the concrete cement pavement thickness in the field was 45 cm with 30 cm concrete plate thickness and 15 cm thinner concrete (Lc) while the theoretically calculated concrete cement cement pavement thickness was 33 cm with a thick concrete plate 18 cm which is the most economical plate thickness and thin concrete (Lc) is 15 cm.
STABILISASI TANAH LEMPUNG DENGAN CAMPURAN SEMEN DAN FLY ASH Husnah Husnah
Racic : Rab Construction Research Vol 4 No 1 (2019): Juni
Publisher : LPPM Universitas Abdurrab

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Abstract

Soil improvement is common in construction work with the aim of increasing the carrying capacity of the soil so that it can withstand the burden of construction on it. In this study, researchers will use cement and fly ash as added ingredients for clay soil stabilization. The purpose of this study was to determine the characteristics and physical properties of clay in Tenayan Raya, Pekanbaru and determine the effect of the addition of cement and fly ash to clay. The research material used was disturbed sample, which is a mixture of clay soil with cement and fly ash with the percentage of each mixture. Specimens that have been according to plan and are divided into several variations of the mixture, then made compaction using a proctor test equipment and then tested with CBR test equipment. The results of the study show that the clay soil of Tenayan Raya has a high plasticity with a liquid limit of 51.80%, a plastic limit of 20.88%, and a plasticity index of 30.93%. The addition of cement and fly ash can reduce the liquid limit value and the plasticity index as well as increase the plastic limit value and the highest percentage of CBR value occurs in Clay 65% ​​+ Cement 20%, Fly Ash 15%, with a CBR value of 52.32%. So as to increase the bonding capacity between the granules, and the ability to interlock between granules is high.
EVALUASI SIFAT REOLOGI DASAR PADA CAMPURAN ASPAL MODIFIKASI KARET REMAH SIR 20 fitra ramdhani
Racic : Rab Construction Research Vol 4 No 1 (2019): Juni
Publisher : LPPM Universitas Abdurrab

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Abstract

Utilization of natural rubber in oil asphalt mixes scientifically possible to improve asphalt technology by evaluating the rheological properties of the asphalt. Crumb rubber is natural rubber obtained from processing rubber materials which comes from the sap of the Hevea brasiliensis tree trunk mechanically with or without chemicals and the quality is determined by technical specifications SIR (Standar Indonesia Rubber). The purpose of this study was to determine the basic rheological properties of the modified SIR 20 crumb rubber asphalt mixture. This research method was carried out in two stages, the first is to make a mixture of 60/70 pen asphalt and crumb rubber SIR 20 in the variation of crumb rubber content of 0%, 4%, 6%, 7%, 8%, 9%, 10% , and 20% while the second is to perform asphalt basic testing, which penetration testing, softening point, ductility, elastic recovery and asphalt viscosity. From the test results obtained penetration values ​​increased up to 180,4 dmm, decreased softening point up to 36,450C, increased ductility values ​​consistently up to 195 cm, consistently increase ductility values up to 195 cm, improvement of elastic recovery each additional level of Crumb Rubber SIR 20 to 21.34%, and viscosity (Brookfield) at mixing temperature test were obtained at 1460C and the lower the solidification temperature reached 1370C.
ANALISA PERBANDINGAN DUA MEREK SEMEN DENGAN KEBERSIHAN MATERIAL TERHADAP KUAT TEKAN BETON K-250 DONI RINALDI BASRI
Racic : Rab Construction Research Vol 4 No 1 (2019): Juni
Publisher : LPPM Universitas Abdurrab

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Abstract

Concrete is a material that is often used in building construction, because concrete is easily made in accordance with the desired shape and the material used is widely available in nature. The materials used in making concrete are sand, gravel / split, water and cement as a binder. Concrete materials are obtained in nature mixed with other substances such as plants, plastics, mud and others. The quality of concrete is influenced by the materials used and the cleanliness of the material. This study examines the effect of material cleanliness on the quality of the concrete produced. The sand material comes from Bingkuang lake in Kampar district, this stone from stone in Kampar district, water from bore wells and adhesives is used from two suppliers. The planned concrete is K-250. Cleanliness of the material by washing and not being washed. The age of the concrete was analyzed at 7 days, 14 days and 28 days. The results of analysis using brand A binder with the cleaned material obtained concrete quality K-281.75 and using unclean materials obtained concrete quality K-217.15. There was a reduction in concrete quality of 22.93%. The analysis results using brand B binder with cleaning agent, K-303,84 concrete quality and using uncleaned material, K-203,40 concrete quality. There was a decrease in the quality of concrete by 33.06%. Thus the use of non-clean materials can reduce the quality of concrete by 20-30%.
Desain Rancangan Percobaan Pada Pengujian Kuat Tekan Beton Berbahan Campuran Cangkang Kemiri Mahfuz Hudori
Racic : Rab Construction Research Vol 4 No 1 (2019): Juni
Publisher : LPPM Universitas Abdurrab

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Abstract

Cangkang kemiri merupakan limbah organik yang dapat dimanfaatkan sebagai agregat campuran pada pembuatan beton ringan. Penggunaan agregat cangkang kemiri dalam pembuatan beton dilakukan sebagai upaya penanggulangan limbah yang dapat mencemati lingkungan. Penelitian ini menggunakan desain rancangan percobaan acak lengkap dengan perlakuan (penggunaan agregat campuran) sebanyak 5 (lima) taraf, yaitu 0%, 10%, 15%, 20%, dan 25%. Pengamatan respon (hasil pengujian kuat tekan beton) dilakukan setiap 7 hari dan diulang sebanyak 4 kali. Hasil percobaan menunjukkan bahwa kuat tekan beton untuk masing-masing agregat campuran cangkang kemiri sebesar 191,98 MPa (0%), 71,04 MPa (10%), 56,21 MPa (15%), 34, 34 MPa (20%), dan 27,19 MPa (25%).

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