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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 165 Documents
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PREDIKSI UMUR LAYANAN PERKERASAN JALAN AKIBAT BEBAN MUATAN LEBIH KENDARAAN ( STUDI KASUS RUAS JALAN DURI – MINAS) Abu Bakar; Muhammad Idham; Indriyani Puluhulawa
Racic : Rab Construction Research Vol 3 No 02 (2018): Terbitan Keenam Bulan Desember 2018
Publisher : LPPM Universitas Abdurrab

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Abstract

Overloading is a condition of a vehicle's axle load exceeding the standard load used on the pavement design assumptions or the number of operational paths before the age of the plan is reached, or often referred to as premature deterioration. and the consequence of overloading of the road will decrease the service life of the road. The axis load allowed to pass through the road is 8 tons but in fact the field of passing vehicles exceeds the limit allowed by overloaded trucks. This is evidenced by the Department of Public Works of Riau Province states that 45% of damage caused by vehicle excess burden. The purpose of the research undertaken, namely to determine the reduced service life of the road from the design life that has been determined due to vehicle load. The method obtained is by calculating the ESAL cumulative standard and ESAL existing to get Traffic Design (ESAL). From the analysis of Traffic Design (ESAL), the age of pavement is expected to end in the 7th year since the road increase or there is a reduction of 3 years from the age of the 10 year plan and the expected reduction in the remaining age of 52.60% since the road repair has ended.
EFEK VENTURI PADA PIPA PENDISTRIBUSIAN AIR BERSIH DINAS CIPTA KARYA DAN TATA RUANG KE PASAR BELAKANG PADANG Fealy Chia
Racic : Rab Construction Research Vol 3 No 02 (2018): Terbitan Keenam Bulan Desember 2018
Publisher : LPPM Universitas Abdurrab

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Abstract

This research aims to determine whether there is an effect on venture in the pipe and find for the speed of water, water discharge, and the character flow on a pipe. The location of pipe under research is in Belakang Padang, one of the sub-districts in Batam City. Primary data is obtained from observing directly from the rear distribution pipeline in Belakang Padang, while secondary data is obtained from Cipta Karya and Tata Ruang Belakang Padang. Based on primary and secondary data and through the calculation process, the results of the speed in the 4 inch pipe are 2,469 m/s, the 2 inch pipe is 9,896 m/s, and the pipe ¾ is 71,3929 m/s. The water discharge in the 4 inch pipe is 0,02 m3/s, the 2 inch pipe is 0,01999 m3/s, and the ¾ inch pipe is 0,01999 m3/s. The flow properties that obtained by calculation of Reynolds Number in the 4 inch pipe are turbulent with a value of 139361,33, in the 2 inch pipe is 279287,11 which means the turbulent flow, and pipe ¾ is 755574,86 with turbulent flow.
Analisa ANALISA FAKTOR-FAKTOR PENYEBAB CHANGE ORDER PADA PROYEK PENINGKATAN JALAN INSPEKSI JALAN DUYUNG (LANJUTAN) Novia Siti Rohana
Racic : Rab Construction Research Vol 3 No 02 (2018): Terbitan Keenam Bulan Desember 2018
Publisher : LPPM Universitas Abdurrab

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Abstract

ABSTRACT Change Order (CO) is a change of work in a construction project. CO is very difficult to avoid and if this change order occurs it can harm the project. In view of its relevance, the project for upgrading the road for the duyung road inspection (continued) has a high risk of change orders. This must be minimized from the beginning of the project work, one of which is by identifying the fundamental factors that cause change order on this project, using descriptive analysis methods. Based on literature review and interviews, this study identified 11 factors causing change order. Data that has been collected through questionnaires with a total of 50 respondents involved in this study. These respondents were all people who worked on the project. Each respondent was asked to express his opinion about frequency and the impact caused using a Likert scale 1-5. Two factors are classified as the most important factors causing change contract orders from the most dominant ones, namely physical conditions in the field (1) and changes in scope of work (2) and non-dominant factors, namely the problem of the supervisor consultant (1) and the problem of the contractor (2). This descriptive analysis also shows a positive and statistically significant correlation. Keywords: Change Order, Project, Construction, Water Building, Descriptive Analysis
STUDI EKSPERIMENTAL CAMPURAN BETON UNTUK MENINGKATKAN MUTU BETON DENGAN BAHAN TAMBAH LIMBAH AMP DAN VARIASI AGREGAT DARI RIAU Husnah Husnah
Racic : Rab Construction Research Vol 3 No 02 (2018): Terbitan Keenam Bulan Desember 2018
Publisher : LPPM Universitas Abdurrab

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Abstract

Pemanfaatan limbah menjadi sesuatu yang bermanfaat adalah hal yang sangat penting dalam kehidupan ini, sehingga limbah tidak lagi menimbulkan masalah lingkungan sosial masyarakat namun bisa digunakan menjadi hal yang berguna. Di bidang teknik sipil telah banyak limbah dijadikan sebagai bahan tambah campuran beton, misalnya penelitian yang telah dilakukan oleh (Munir, 2008) tentang Pemanfaatan abu batu bara (fly ash) untuk hollow block yang bermutu dan aman bagi lingkungan. Di Kabupaten Kampar terdapat beberapa perusahan-perusahan yang memproduksi AMP (Asphal Mixing Plant) atau unit produksi campuran beraspal, misalnya PT. Vira Jaya yang menghasilkan jumlah abu terbang (fly ash) atau limbah amp yang cukup besar, dimana hasil limbah tersebut tergantung jumlah produksi amp, makin besar produksi amp maka semakin besar pula limbah yang dihasilkan. Tujuan penelitian ini apakah fly ash hasil limbah produksi AMP dapat mempengaruhi kuat lentur beton bahan dengan Bahan tambah fly ash (limbah amp) sebagai Bahan Perkerasan Kaku (Rigid Pavement). Dan Untuk mengetahui komposisi campuran beton dengan dengan fly ash limbah amp yang tepat untuk mendapatkan kekuatan (kuat lentur) beton optimum pada perkerasan kaku (rigid pavement). Dalam penelitian ini digunakan salah satu bahan mineral tambahan pozzolan berupa fly ash hasil limbah produksi AMP. Dengan penggunaan fly ash hasil limbah amp di teliti sebagai bahan pengganti semen pada campuran beton yang diaplikasikan pada perkerasan kaku (Rigid Pavement). Penelitian ini menggunakan metode eksperimen dengan total benda uji 24 buah. untuk benda uji kuat lentur berbentuk balok dengan ukuran 60x15x15 cm dan berbentuk silinder 15 x 30cm dengan variasi kadar fly ash 0%, 5%, 10%,15% yang di uji pada umur 7 dan 28 hari dengan fas sebesar 0.38. Masing-masing variasi berjumlah 3 benda uji. Penggunaan Pasir Urug dan fly ash hasil pembakaran AMP memenuhi syarat untuk campuran beton Fs 45. Hasil optimum didapat pada penambahan 5% dengan nilai kuat lentur 70.07 % pada umur 7 hari dan sebesar 103.45 % pada Umur Beton 28 Hari. Sedangkan nilai kuat tekan 363,62 kg/cm2 pada umur 7 hari dan 460,09 kg/cm2 pada umur 28 hari. Jika di analisis pada pengganti semen 5 % adalah titik optimum untuk penambahan fly ash. Penggunaan fly ash dengan variasi diatas 5% pada campuran tersebut tidak lagi sebagai pozzolan yang dapat membentuk senyawa yang bersifat mengikat akan tetapi fungsinya menjadi agregat halus dalam campuran beton, akibat pemakaian fly ash yang berlebihan menyebabkan limbah fly ash tidak habis bereaksi dengan air dalam campuran beton.
Kadar Optimum Aspal Pen 60/70 dan Bahan Modifikasi Asbuton Murni T5/20 Dengan Filler Asbuton T5/20 terhadap Kinerja Campuran fitra ramdhani
Racic : Rab Construction Research Vol 3 No 02 (2018): Terbitan Keenam Bulan Desember 2018
Publisher : LPPM Universitas Abdurrab

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Abstract

In line with the increase in road length, the asphalt demand in Indonesia is increasing as well. Asbuton can be used as a binder on pavement to replace oil asphalt. The levels of asphalt contained in asbuton is variated between 10% -40%. To increase the utilization of asbuton in Indonesia, the research on modification of asbuton in the mixture was carried out. This study aims to determine the optimum levels of bitumen pen 60/70 and material modification of pure asbuton T5 / 20 with filler asbuton T5 / 20 against on mixture performance. This research was carried out by adding optimum asbuton filler level of 2.01% on the variation of pure T5 / 20 asbuton by 0%, 10%, 12%, 14%, 16%, 18%, 20% and 30% with a compaction temperature of 155 0C in mixture. Based on the results of the Marshall test, the performance of the modified material mixture that meets the general specification requirements on Bina Marga 2010 revision 3 which is the optimum level of extraction of asphalt T5 / 20 by 10% with filler asbuton T5 / 20 of 2.01%. This is evidenced by the Stability value of 2616 kg, the melting value of 2.85 mm, MQ value of 918 kg / mm, VIM value of 4.94%, VMA value of 15% and VFA value of 66.11% that meets the specification requirements.
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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