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All Journal Jurnal Ilmiah Universitas Batanghari Jambi BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil JURNAL PENDIDIKAN TAMBUSAI Jurnal Kridatama Sains dan Teknologi Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Teslink : Teknik Sipil dan Lingkungan Multicience Jurnal Teknik Sipil Al-Muamalat : Jurnal Ekonomi Syariah Jurnal Tera Media Abdimas Anggapa Scientica: Jurnal Ilmiah Sains dan Teknologi Teknokris Jurnal Sipil Krisna PASAK: Jurnal Teknik Sipil dan Bangunan
Gali Pribadi
Universitas Krisnadwipayana
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ANALYSIS OF REINFORCEMENT OF HIGHWAY BRIDGE FLOOR SLABS WITH STEEL PLATE BONDING METHOD Gali Pribadi
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 3 No. 02 (2022): INTERNATIONAL JOURNAL OF MULTISCIENCE - AUGUST - DECEMBER 2022 EDITION
Publisher : CV KULTURA DIGITAL MEDIA

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Toll Road experienced structural fractures in almost all bridge floor plates. The purpose of this paper is to identify and measure the crack depth with a Portable Ultrasonic Non Destructive Digital Indicating Tester tool, then determine the required strengthening model by calculating deflection on the bridge floor plate. The research method with direct survey on the bridge that occurred cracking by measuring cracks and applying reinforcement with the Steel Plate Bonding method. To find the deflection and stress on the bridge element, the load test is carried out before and after reinforcement. The results showed that steel plate bonding reinforcement on the concrete floor structure could reduce the deflection that occurred at 157.95-420.00% from the initial deflection and reduce the reinforcement stress by 181.82% - 267.74%.
THE EFFECT OF CONCRETE COMPRESSIVE STRENGTH TESTING USING RUBBER SEED SUBSTITUTION AS A PARTIAL REPLACEMENT OF FINE AGGREGATE MARLIANA PUTRI; SAHAT MARTUA SIHOMBING; GALI PRIBADI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 4 No. 02 (2024): INTERNATIONAL JOURNAL OF MULTISCIENCE - MAY -AUGUST 2024
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The idea of environmental conservation has influenced the development of more environmentally friendly construction technologies, with the integration of natural materials such as rubber seed waste into construction materials. The construction industry faces challenges from production waste and material requirements that increase with population growth. Utilizing waste as an alternative material not only reduces pollution but also helps conserve non-renewable natural resources, such as replacing sand with rubber seeds in concrete mixes. The results of compressive strength testing on normal concrete at the age of 28 days reached 440 kN (f´c 24.91 Mpa), while variation 1 of 5% rubber seed waste reached 310 kN (f´c 17.55 Mpa), and variation 2 of 10% rubber seed waste reached 276 kN (f´c 15.63 Mpa). The compressive strength of concrete using rubber seed waste as a fine aggregate substitution with a 5% variation obtained an average compressive strength at the age of 7, 14, and 28 days of 8.72 MPa, 15.06 MPa and 17.55 Mpa. The compressive strength of concrete using rubber seed waste as a substitute for fine aggregate with a 10% variation obtained the average compressive strength at the age of 7, 14, and 28 days of 7.81 MPa, 12.63 MPa, and 15.63 Mpa. It does not meet the SNI 1974-2011 standard that the compressive strength of fc'25 concrete plan at the age of 7 days is 60% with a value of 15.06 MPa, the age of 14 days is 84% with a value of 21.06 MPa, the age of 28 days is 100% with a value of 24.91 MPa.
ANALYSIS OF BUILDING BEAMS CALCULATION FOR EMPLOYEE MESS IN KONAWE SOUTHEAST SULAWESI GIFTY CAHYANI; LYDIA DARMIYANTI; GALI PRIBADI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 4 No. 02 (2024): INTERNATIONAL JOURNAL OF MULTISCIENCE - MAY -AUGUST 2024
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Buildings are certainly planned with the concept of earthquake-resistant buildings. In this research, the author concentrates on one of the structural elements, namely the beam which is reviewed for its structural behavior, by calculating the earthquake area to analyze the beam reinforcement. The analyzed building is located in Sulawesi, the building structure used is a reinforced concrete structure, analyzing only the upper structure, and not analyzing the lower structure which refers to the Indonesian National Standard Regulations including SNI 1726-2019 concerning Procedures for Earthquake Resistance Planning for Building and Non-Building Structures, SNI 2847-2019 concerning Structural Concrete Requirements for Buildings, and SNI 1727-2020 concerning Minimum Design Loads and Criteria. In this final project, structural modeling and analysis were carried out using Etabs20 software. From this study, the largest internal force on the structure of the employee mess building in Konowe, Beam (200x400) on the 2nd floor, with a maximum moment value of 111.554 kNm and a maximum field moment of 53.1946 kNm, shear force of 100.6759 kN. Based on the force in the Etabs output, the beam (200x400) requires 5-D16 pedestal top reinforcement, 3-D16 pedestal bottom reinforcement, 2-D16 top field reinforcement, 3-D16 bottom field reinforcement, D10-100 pedestal stirrup, D10-125 field stirrup. The reinforcement calculation is in accordance with SNI 2847-2019. It is recommended to compare the results of the ETABS analysis with the results of manual calculations based on SNI 2847: 2019. This comparison will provide an overview of the accuracy and reliability of ETABS software in calculating the reinforcement ratio.
THE EFFECT OF COCONUT SHELL CHARCOAL POWDER WASTE AS A FINE AGGREGATE SUBSTITUTION IN ASPHALT CONCRETE WEARING COURSE MIXTURE ARDIANSYAH; GALI PRIBADI; INDRIASARI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 4 No. 02 (2024): INTERNATIONAL JOURNAL OF MULTISCIENCE - MAY -AUGUST 2024
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Laston, commonly known as AC (Asphalt Concrete) in Indonesia, is a type of asphalt concrete with continuous gradation designed to handle large traffic volumes. According to Waani (2013), stability is the main characteristic that makes laston a vital component. This study examines the use of coconut shell charcoal, previously considered waste, as an environmentally friendly additive. Coconut shells and rock ash are used as fillers in asphalt mixtures. It is important to test asphalt containing coconut shell charcoal to evaluate changes in its properties. The performance of asphalt mixtures, including flow, stability, VIM, VMA, Marshall Quotient, VFA, and durability values ​​are expected to increase with the addition of coconut shell charcoal. The results of the Marshall characteristic analysis of the AC-WC mixture with a filler variation of 25% substituted with coconut shell charcoal powder are 2487 kg for stability, 36.51% for VMA, 3.35 mm for flow, 26.19% for VIM, and 742 kg/mm ​​for MQ, all of which have met the specifications. However, the 2018 Bina Marga standard was not met by the VFB value of 28.27%. On the other hand, the variation of 50% coconut shell charcoal powder produced a stability value of 2568 kg, an MQ value of 756 kg/mm, a VMA value of 37.31%, a flow value of 3.4 mm, and a VIM value of 27.12%, all of which were still within the acceptable range. However, the VFB value of 27.31% did not meet the 2018 Bina Marga requirements. The findings of the mixture design presentation for cement filler are as follows: 17% for hot bin I, 45% for hot bin II, 32% for hot bin III, 6% for cement filler, and 6% for asphalt.
THE EFFECT OF USING RED BRICK WASTE ON ASPHALT CONCRETE BINDER COURSE MIX M RIFQI BADRIANSYAH; GALI PRIBADI; INDRIASARI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 4 No. 02 (2024): INTERNATIONAL JOURNAL OF MULTISCIENCE - MAY -AUGUST 2024
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The number of new road constructions is increasing, with the main focus on the repair of old roads. However, these roads often deteriorate before reaching their intended service life due to excessive vehicle loads, lack of maintenance, and problems with the asphalt mixture. Research on additives to asphalt mixtures, such as red brick waste, is needed to improve the quality and durability of roads. The red brick industry, which is largely traditional, often produces defective products that contribute to the failure rate in brick making. The addition of red brick debris to asphalt is expected to not only improve the quality of the pavement but also offer a low-cost solution to the waste problem. Marshall characteristic analysis on AC-BC mixture using red brick powder as a substitute for fine aggregate with variation 0 or normal produces a stability value of 1202.04 kg, for variation 1 with 20% red brick powder waste replacing sand, produces a stability value of 1074.39 kg, for variation 2 with 40% red brick powder waste replacing sand, produces a stability value of 1021.2 kg, while for variation 3 with 60% red brick powder waste replacing sand, produces a stability value of 914.83 kg. These values ​​meet the 2018 Bina Marga specifications.
ANALYSIS OF CONCRETE COMPRESSIVE STRENGTH WITH COCONUT FIBER WASTE AS A PARTIAL REPLACEMENT OF FINE AGGREGATE ISMAIL; YONAS PRIMA ARGA RUMBYARSO; GALI PRIBADI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 4 No. 02 (2024): INTERNATIONAL JOURNAL OF MULTISCIENCE - MAY -AUGUST 2024
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Although concrete is less strong in resisting tensile loads, the addition of fibers makes it a more resilient construction material, especially fiber concrete which is abrasion resistant and has better tensile, flexural and compressive strengths. In Indonesia, coconut fibers, which have been used since prehistory as a building material, are now being utilized as an additive in cement, thanks to their advantages in absorbing water and having good tensile strength. The use of coconut fibers not only increases the flexibility and strength of concrete, but also utilizes household waste that is difficult to recycle to create high-quality construction materials that are more durable and less prone to cracking. The results of testing the compressive strength of normal concrete at 28 days showed that without coconut fiber waste, the compressive strength was 440 kN (f´c 24.91 Mpa). With the addition of 5% coconut fibers, the compressive strength dropped to 318 kN (f´c 18 Mpa), and with 10% coconut fibers, to 292 kN (f´c 16.53 Mpa), showing the effect of fibers on the mechanical properties of concrete.
THE EFFECT OF USING RUBBER SEED WASTE ON K-300 COMPRESSIVE STRENGTH TEST (f’c 25 MPa) MUHAMMAD JAMALUDIN; GALI PRIBADI; LYDIA DARMIYANTI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 4 No. 02 (2024): INTERNATIONAL JOURNAL OF MULTISCIENCE - MAY -AUGUST 2024
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Abstract

Modern construction technology has evolved with the principle of environmental concern through various innovations that support environmentally friendly construction. This includes the use of natural materials, procedures that minimize the use of hazardous resources, and techniques that produce minimal waste. The industry is also faced with the challenge of increasing demand for building materials due to population growth, which is addressed by utilizing local resources and waste, such as rubber seed shells as an alternative to conventional materials. The history of rubber use in Indonesia began with the introduction of seeds by Henry A. Wickham in 1876, with further development in the late 19th century. Based on the results of the research that has been conducted and the discussion in the previous chapter regarding the variation of the use of rubber seed shell waste of 0%, 5%, and 10%, the following conclusions can be drawn: The results of the ordinary concrete compressive strength test at the age of 28 days reached 440 kN (fc'24.91 Mpa), while variation 1 of 5% rubber seed waste reached 317 kN (fc' 17.95 Mpa), and variation 2 of 10% rubber seed waste reached 274 kN (fc'15.51 Mpa).
DESIGN OF DECISION SUPPORT SYSTEM ANALYSIS MODEL FOR PRODUCTION RESULT ASSESSMENT IN AUTOMOTIVE COMPANIES IN EAST JAVA BILHAN GAMALIEL HARTANTO; GALI PRIBADI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 2 No. 06 (2021): INTERNATIONAL JOURNAL OF MULTISCIENCE - SEPTEMBER EDITION
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Effective decision making requires a Decision Support System (DSS) that integrates data, automated simulation models, and interactive visualization. The DSS is used to improve the effectiveness of machine operation scheduling, identify lines that require overtime, and develop action plans for lines that do not meet production targets. The use of Macro VB Excel accelerates data query and root cause analysis through fishbone and FMEA, increasing the efficiency of analysis time by 3.5 hours faster and requiring an additional 7.4 shifts of overtime to achieve the production target of 20,593 pcs. In the production meeting, four action plans were proposed including the creation of SOPs to minimize machine adjustments, routine overtime settings, different operation settings for materials from suppliers, and standardization of parameters for each production process.
DECISION SUPPORT SYSTEM DESIGN MODEL FOR PRODUCTION RESULT EVALUATION IN CENTRAL JAVA AUTOMOTIVE COMPANY BILHAN GAMALIEL HARTANTO; GALI PRIBADI
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 3 No. 03 (2022): INTERNATIONAL JOURNAL OF MULTISCIENCE - SEPTEMBER - DESEMBER 2022 EDITION
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Abstract

Effective decision making requires the implementation of a Decision Support System (DSS) that combines data, automated simulation models, and interactive visualization. This DSS plays a role in improving the efficiency of machine scheduling, identifying production lines that require overtime, and designing action plans for lines that fail to achieve production targets. The use of Macro VB Excel facilitates the acceleration of data collection and problem analysis using fishbone diagrams and FMEA, which reduces analysis time by 2.7 hours and requires additional overtime of 6.1 shifts to achieve the production target of 19,277 pcs. In the production meeting, four action plans were proposed including the creation of Standard Operating Procedures to reduce machine adjustments, routine overtime assignments, different operations for materials from certain suppliers, and standardization of parameters for each production process.
ANALYSIS OF HEAVY EQUIPMENT PRODUCTIVITY IN THE PHASE II KASABLANKA KUNINGAN APARTMENT DEVELOPMENT PROJECT GALI PRIBADI; BILHAN GAMALIEL HARTANTO
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 3 No. 04 (2023): INTERNATIONAL JOURNAL OF MULTISCIENCE - JANUARY-APRIL 2023
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In building construction projects, especially in the excavation stage, the use of heavy vehicles is essential and plays an important role in determining the success of apartment building construction. The production capacity of these heavy vehicles is critical to the progress of the project. The importance of production capacity analysis makes this calculation crucial. This study aims to measure the production capacity of heavy vehicles in the second phase of the Kasablanka Kuningan apartment building construction project, including asphalt finishers, dump trucks, pneumatic tire rollers, and tandem rollers. Using the volumetric method, this study calculates the volume and production capacity of heavy equipment, with results showing that productivity is in accordance with the predetermined schedule.
Co-Authors Achmad Pahrul Rodji Achmad Romadonsyah AGA PRIATNA AMELIA PUTRI SAMANHURI Ardiansyah Arga, Yonas Prima Artiani , Gita Puspa Awaludin, Latief Darmiyanti, Lydia Dermawan, Muhammad Jagat Essy Malays Sari Sakti Faizal Addin Achmad FAIZAL ADDIN ACHMAD FARHAN HAWARI GIFTY CAHYANI Gita Puspa Artiani Gita Puspa Artiani, Gita Puspa Hartanto, Bilhan Gamaliel Ikhwan, Bima Khairul Indriasari indriasari Koesno Indriasari, Indriasari Ismail Lydia Darmiyanti Lydia Darmiyanti M RIFQI BADRIANSYAH MARLIANA PUTRI Martinus Martinus Muhammad Jamaludin Musalfi, Nur Liza Nasyira Nusa Setiani Posasi, M Albi Aditya Rahman, Rafi Luthfir RAZAK MOHAMADHAN Rodji, Achmad Pahrul Sahat Martua Sihombing Samudra, Muhammad Gilang Siagian, Bermando Mangatur Sihombing, Sahat Martua SUDANA SUDANA Syaiydah Salsabilla Tomy Friendo Purba Yonas Prima Arga Rumbyarso