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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 5 Documents
 1 
Search results for , issue "Vol 4 No 1 (2019): Juni" : 5 Documents clear
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%).
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%.
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.
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.
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.

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