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Moh Debby Rizani
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Jurnal Teknik Sipil Giratory Upgris
Published by Universitas PGRI Semarang
ISSN : 26217864     EISSN : 27164969     DOI : https://doi.org/10.26877/goratory
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal ini bertujuan untuk menyediakan platform bagi para ilmuwan dan akademisi di seluruh dunia untuk mempromosikan, berbagi, dan mendiskusikan berbagai masalah dan perkembangan baru di berbagai bidang teknik sipil
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 8 Documents
 1 
Search results for , issue "Vol 6, No 1: Juni 2025" : 8 Documents clear
APLIKASI WOOD PLACTIC COMPOSITE SEBAGAI PEREDAM KEBISINGAN AKTIVITAS JALAN KERETA API MODEL KRISTAL SONIK PERSEGI Handayani, Dewi; Soeryodarundio, Koosdaryanti; Savira, Syafa Maajid
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24094

Abstract

Noise is an unwanted sound from an activity over a period of time that can interfere with human health and environmental comfort. One of the noise caused by transportation activities is train noise. To reduce the noise, it can be achieved by building a noise dampening building between the railroad and the residential area. An attempt to create a sustainable noise reducer is Wood Platic Composite (WPC) which is made in the form of sonic crystals.  This research aims to analyze the potential application of WPC with square sonic crystal model as a noise reducer for railway activities. This research uses an experimental method conducted in a residential area near the railroad tracks by testing the sound intensity of sonic crystals made from square lattice WPC with a diameter of 8.2 cm and a height of 2 meters. The test was conducted by placing the sonic crystal 3 meters away from the railroad axle, while the Sound Level Meter (SLM) was placed 1, 2, and 3 meters behind the sonic crystal. The method of data collection and analysis in this study used the Ministry of Environment No. 48 of 1996. The results showed that the sonic crystal made from square lattice WPC can reduce noise by 13.54%.
PEMANFAATAN LIMBAH KACA SEBAGAI SUBSTITUSI SEBAGIAN AGREGAT HALUS BAHAN MATERIAL PEMBUATAN BETON Rosiyani, Tissa Rahayu; Triyani, Anis; Sintia, Sela; Yudaningrum, Farida
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24101

Abstract

Concrete technology has increased in recent decades followed by various studies to improve concrete performance in the construction world. The research conducted is to improve the performance of building materials by considering the selection of concrete forming materials to the substitution of other materials such as replacing an aggregate with waste materials. Therefore and by considering the existence of large amounts of glass waste, it is possible to be used as an alternative solution to environmental problems around us, especially fine aggregates. The study used glass substitution as a partial replacement for fine aggregates in concrete materials. The glass variations used were 0%, 7.5%, 10%, and 12.5%. Data analysis used regression and classical assumption tests with the SPSS program with the help of SPSS 20 for Windows software. The variables used in this study were the independent variable (glass waste) and the dependent variable (compressive strength and flexural strength)
ANALISIS FAKTOR-FAKTOR KETERLAMBATAN PADA PROYEK PEMBANGUNAN EXPAND & ENHANCEMENT NEUCENTRIX PUGERAN YOGYAKARTA MENGGUNAKAN SPSS Pinuji, Putri; Permata Suwandi, Putri Anggi; Rizani, Mohammad Debby
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24096

Abstract

The 2023 Neucentrix Expand Enhancement Development Project Pugeran Yogyakarta is planned to last 19 weeks. However, there was a delay due to the large amount of additional work and new items that were not listed in the BoQ. This research aims to identify the main factors causing project delays. The data used came from a questionnaire and then factor analysis was carried out using SPSS. A total of 11 managerial team respondents filled out the questionnaire, producing 18 valid variables that were very reliable. The results of the analysis show 5 rankings of the main factors causing delays, namely: delayed payments have an impact on project delays; changes in costs due to additional work; less than optimal labor productivity; error in basic price estimation in the Cost Budget Plan; difficulty in finding materials and/or equipment due to certain specialties; submission and request for changes to completed work from the project owner; changes in work methods by contractors; lack of adequate workforce; owner's delay in making decisions; changes to the scope of work (SOW) during implementation; and lack of workforce discipline regarding attendance and attendance, which hampers work time
KINERJA LALU LINTAS PADA RUAS JALAN SATU ARAH (STUDI KASUS JL. SUNAN KUDUS KABUPATEN KUDUS) Paripurna, Drian; Supriyanto, Joko; Rizani, Mohammad Debby; Yudaningrum, Farida
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24097

Abstract

The high mobility of the people and traffic due to the existence of a railroad crossing on the Mranggen road section is the main factor for the high congestion that exists on this section. The government's efforts through the Central Java Office of Public Works and Human Settlements to build the Ganefo Mranggen KM 14 Fly Over is an alternative solution to tackling the high traffic jams on this section. Therefore, researchers will identify how the performance of the Mranggen road section after the construction of the Fly Over. After conducting research, it was found that the busiest traffic was on Wednesday at 16.00-16.15 with a total flow value of 883.3 pcu/hour. The degree of saturation is 0.962 0.75, which exceeds the requirements of the 1997 MKJI guidelines. If the value of the degree of saturation 0.75 requires improvement, then the degree of saturation is included in the category E service level with conditions of very high traffic density and low volume. The highest side resistance value on this section is 906.8 where the time interval is 06.00-09.00 WIB with the VH Resistance Class (906.8 900) which means commercial area, with roadside market activity. So that alternative solutions can be found using SWOT calculations where it is known that the segment is in a position between the Weakness and Opportunity axes, namely in quadrant 4. This means that the Ganefo Mranggen Fly Over segment is advised to change the strategy from internal Weaknesses So that the strategy is changed to Opportunity ( external Opportunity) in order to achieve good traffic performance on the Ganefo Mranggen Km 14 Fly Over section.
ANALISIS KEHILANGAN AIR DAN EFISIENSI SALURAN (STUDI KASUS SALURAN SEKUNDER BANTUL DI PEKALONGAN) Ragil, Nafii; Wahyudi, Slamet Imam; Niam, M. Faiqun; Wahyudi, Rahma Sarah Wahyudi Sarah
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24091

Abstract

The Kaliwadas Irrigation Area is one of the irrigation networks under the authority of the Central Government (BBWS Pemali Juana) because it has an area of more than 3,000 Ha. Located in Pekalongan Regency, Central Java. Water intake from the Genteng River which connects the Kesesi Main Channel with the Bantul Secondary Channel. This study aims to analyze the Discharge Calibration, Water Loss, and Efficiency of the Bantul Secondary Channel from points B.Bt.1, B.Bt.2, and B.Bt.3. This research method, begins with the collection of secondary data obtained from the discharge data from BBWS Pemali Juana, previous measurements, primary data obtained from measurements using a current meter and the height of the threshold. Based on the study, it shows that the current meter and threshold have different discharge measurements. The primary data produced shows that the current meter produces the highest discharge of 2.19 m3 / s. The current meter has an average discharge of 0.89 m3 / s. Water loss is 25% with current meter and 31.6% with threshold, water loss in Bantul Secondary Channel is caused by leakage and physical condition of the channel. Larger flow distance, total channel efficiency decreases, reaching 86% to 76%, with efficiency threshold becomes 68%, percentage of this efficiency can be used for operation and maintenance basis.
ANALISIS IMPLEMENTASI SISTEM MANAJEMEN KESELAMATAN KONSTRUKSI PADA PROYEK PEMBANGUNAN BUFFER AREA DI PELABUHAN SUNDA KELAPA Sendy, Sendy; Manlian A. Simanjuntak, Ronald
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24098

Abstract

Accidents in construction projects are one of the factors that affect company performance and directly indicate that risk management in the project has not been properly implemented. If the Construction Safety Management System (CSMS) is thoroughly applied, the likelihood and risk of workplace accidents on construction projects can be identified early. This is done to reduce the number of accidents and construction failures, as any loss, no matter how small, is significant. The questionnaire is designed to generate quantitative data that can be objectively measured and statistically analyzed. The rating scale used in the questionnaire is taken from the appendix form for the implementation of CSMS in construction, allowing respondents to rate statements on an ordered scale and produce data that can be statistically interpreted without making comparisons with other variables. According to the CSMS Implementation Level Classification, the Buffer Area Development Project at Sunda Kelapa Port is categorized as "Satisfactory." This satisfactory implementation reflects the project's commitment to high standards of occupational safety and health, although there are still aspects that need to be improved to achieve a more optimal level of implementation. Overall, these results reinforce the conclusion that the project has been well-managed, and all parties involved have a strong understanding and commitment to implementing CSMS. This is a positive indication for the project's success and the safety of the workers involved
ANALISIS KUAT TEKAN BETON MUTU K 200 DENGAN BAHAN CAMPUR FOAMING AGENT, SUPERPLASTICIZER (SIKACIM), DAN FLY ASH Prandika, Nofvim Eric; Azzahra, Synsya Ealiah; Kristiawan, Agung; Anggi P. S., Putri
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24095

Abstract

Concrete technology innovations need to be made to improve or correct weaknesses and improve the quality standards of the concrete produced. The technology and innovation that has been developed is lightweight concrete. This research aims to find lightweight but high compressive strength concrete (optimal concrete) at K200 concrete grade. With mixed materials for concrete in the form of foam agent, superplasticizer, and fly ash, the tolerance limit for mixing materials at the age of 14 days and 21 days of concrete with experimental methods with cube-shaped samples. Based on the purpose of this study, namely looking for lightweight concrete but high compressive strength (optimal concrete) in this study the average foam 15%, superplasticizer 1.5, fly ash 10% age 14 days with an average of 254.74 kg / cm² and average foam 15% superplasticizer 1.5%, fly ash 10% age 21 days average compressive strength 225.87 kg / cm².
ANALISIS PENGARUH TAMBAHAN KAPUR DAN SEMEN TERHADAP PEMADATAN DAN KUAT TEKAN TANAH SIGAR BENCAH Zakariya, Rif’an; Fadillah, M. Sadam; Budirahardjo, Slamet; Rizani, Mohammad Debby
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24100

Abstract

The soil condition in Sigar Bencah, Semarang City, has characteristics that are less supportive of construction, such as cracks, low bearing capacity, and instability. This study aims to evaluate the effects of soil stabilization using lime and cement on soil compaction and unconfined compressive strength (UCS). The variations of lime and cement content used are 0%, 5%, 10%, and 15%, with lime and cement ratios of 30:70, 50:50, and 70:30. The tests conducted include physical property analysis, standard compaction, and UCS testing. The results of the study show a significant improvement in both UCS and optimal soil compaction after stabilization treatment. The optimal additive combination for improving soil quality was found at a 10% additive content with a 50:50 lime-to-cement ratio, which produced a UCS value of 14.2 kg/cm². This indicates that the use of lime and cement as stabilization materials can enhance soil strength and stability, making it suitable for use in construction in areas with poor soil conditions. This stabilization can also serve as a solution to increase soil bearing capacity, reduce potential damage, and improve soil performance in various construction applications.

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