Article Per Year (5 Year)
p-Index From 2021 - 2026
1.704
P-Index
This Author published in this journals
All Journal PRESUNIVE CIVIL ENGINEERING JOURNAL
Sudjatmiko, Eddy Triyanto
Unknown Affiliation
Arts Civil Engineering, Building, Construction & Architecture Control & Systems Engineering

Published : 10 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 10 Documents
Search

 1 
Compressive Strength of Concrete Containing Recycled Glass Powder Nugraha, Bimantara Putra; Sudjatmiko, Eddy Triyanto; Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i1.4242

Abstract

Glass bottle waste takes a million years to decompose. Recycling is the best option to solve this problem. Onealternative is to use recycled glass in the form of powder as a material for making concrete. This study proposes theuse of recycled glass powder as a concrete material to partially substitute fine aggregate. This study aims todetermine the effect of glass powder as a partial substitute for fine aggregate on the compressive strength of concrete.Partial substitution of fine aggregate was selected with a percentage of 5%, 10%, and 15%. Standard cylindricalspecimens aged 28 days used in compressive strength testing in this study. Then, the test results of concretecontaining recycled glass powder compared to ordinary concrete. The test results show that the compressive strengthof concrete containing 15% recycled glass powder gives an average compressive strength of 35.57 MPa which isslightly higher than the compressive strength of normal concrete of 35.10 MPa. This study found that the use of glasspowder as a substitute for fine aggregate can be used as a substitute for normal concrete in terms of compressivestrength and reduce glass waste.
The Effect of Steam Curing on the Early Compressive Strength of Glass Powder Concrete Geovenerdy, Ravelino Hafizh; Bali, Ika; Sudjatmiko, Eddy Triyanto
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i2.4690

Abstract

Glass bottle waste is non-biodegradable and concerns about its impact on the environment. One alternative is to use recycled glass bottle waste in a form of glass powder as a partial replacement for fine aggregate in concrete. This study compared the glass powder concrete containing 20% glass powder as a partial replacement for fine aggregate treated by steam curing to the normal concrete treated by immersion curing. To obtain a higher early strength, the glass powder concrete will be treated with steam curing method for total duration of 9 hours. The test results showed that glass powder concrete treated with steam curing experienced a significant increase of 40.7% in compressive strength at 1 day of age with a compressive strength of 7.84 MPa compared to normal concrete of 5.56 MPa, an increase of 57.0% at 3 days of age with a compressive strength of 16.88 MPa compared to normal concrete of 10.75 MPa, and an increase of 14.0% at 7 days of age with a compressive strength of 23.86 MPa compared to normal concrete of 20.94 MPa. The results of this study indicated that steam curing has the effect of increasing the early compressive strength of concrete at the age of 1, 3 and 7 days. In addition, the use of 20% glass powder as a partial replacement for fine aggregate can contribute to the utilization of non-biodegradable glass bottle waste.
Analysis of Ultimate Bearing Capacity of Bore Pile Foundation in High-Rise Building at Pulomas, East Jakarta Wisan, Nathanael Edward; Bali, Ika; Sudjatmiko, Eddy Triyanto
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i2.4704

Abstract

Soil condition at the Pulomas tower project site with a water level of 17 m below the ground and the hard soil at ground depth of 18 – 22 m, as well as the project location surrounded by houses and office buildings made the choice of bore pile as the foundation in this project. This condition is the background to the need for a bore pile capacity analysis in this tower project. The objective of this study is to analyze the bore pile capacity which is based on Standard Penetration Test (SPT) and Cone Penetration Test (CPT) and to be compared to the interpretation result of static loading test at a tower project location in East Jakarta. The ultimate bearing capacity of bore pile foundation was calculated using Meyerhof method and Reese & Wright method, and static loading test using Chin method. This study indicated that the ultimate bearing capacity using Reese & Wright method is closer to the interpretation result of static loading test from Chin method compared to Meyerhof method.
Construction Delays Analysis in the Kampung Akuarium Flats Project, Penjaringan-Jakarta Amalia, Intan Dian; Sudjatmiko, Eddy Triyanto; Bangkara, Anaconda
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i2.4756

Abstract

The most common impediment to project work is a delay in implementing work activities. Even though the completion time has been calculated, there are several influencing factors, such as natural factors that cannot be predicted, late material delivery, a lack of workers that are not optimal when doing project work, and insufficient funds. In this case, the construction project of the Kampung Akuarium flats in Penjaringan area of North Jakarta was delayed from both technical and non-technical. The objective of this study is to identify the factors causing the project delays and the delay time of the project. This research was conducted by collecting data obtained and processed using Microsoft Project 2019 and the Critical Path Method (CPM) to help identify the problems. From the results that have been analyzed, critical paths include the structural work, finishing architecture 3rd floor, finishing architecture 4th floor, and finishing architecture 5th floor. If not completed immediately or delayed during implementation, the entire project schedule will be delayed. This has an effect where the initial contract plan was completed in 182 days to 259 days with a difference of 77 days or 11 weeks.
Analysis of Road Drainage Capacity of Developing Industrial Area in Karawang Amanda, Sely Audi; Sudjatmiko, Eddy Triyanto
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 2, No 1 (2024)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v2i1.5259

Abstract

Karawang district was formerly known as a rice barn in West Java. But now, this area has become one of Indonesia's largest industrial districts. Its great potential increases the community’s demand for business places. Therefore, the high activity of an area must be balanced with the fulfillment of infrastructure facilities. In maintaining adequate road conditions, it is necessary to provide an integrated drainage system between the road drainage system and the drainage system of the surrounding area. This paper is objective which is to evaluate the capacity and performance of existing road drainage channel. As the land use changes, it’s crucial to evaluate the increase rainfall water runoff. By collects and evaluating recent rainfall data and hydrological analysis using the Normal, Gumbel, Log Normal, and Log Pearson III methods to determine the design rainfall in South Karawang. The results of rain data processing obtained by the selected parameters test method are the Log Pearson III with 10-years of rainfall design 141.26 mm. After conducting capacity evaluation, the results show that the existing channels that serve the area (A) of 8.37 ha with the runoff coefficient (C) of 0.89 are needs to be increases to accommodate the surface rainfall water runoff discharge of, Q = 3.26 m3/s. Thus, a precast concrete U-Ditch of 1200 x 1400 mm will provide effective 400 mm of freeboard, W, and 0.5% as channel slope (s) is designed with channel discharge (Qchannel) of 3.39 m3/s to accommodate the needs of current conditions.
Analysis of Minimum Service Standards and Passenger Satisfaction for the Electric Train (KRL) on the Cikarang–Sudirman Commuter Line Maruddhany, Rhystya Atysya; Sudjatmiko, Eddy Triyanto; Prihartono, Prihartono
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 2, No 2 (2024)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v2i2.5510

Abstract

KRL is a public transportation system is in the great interest of the Indonesian because it is considered effective and efficient for the community and can be a solution to streamline the mobility of the population, especially for the populace in the Jabodetabek region. As the number of passengers increases every year, it is important to know the services and facilities provided by the operator. This research aims to determine the quality of services and facilities of this transportation mode, both at the station and during the trip. The study examines the KRL Commuter Line service between Cikarang and Sudirman, with Sudirman Station selected as a representative sample for analysis. The analysis is made in accordance with Regulation of the Minister of Transportation No. 63 of 2019, and the level of customer satisfaction is analyzed using the Important Performance Analysis/IPA method and Customer Satisfaction Index/CSI. The research indicates that the services at Sudirman Station comply with most of the minimum standards outlined in the regulation, however some facilities need to be provided such as full platform roof, customer work desk and elevator or lift for disable. While on the train, CCTV and first aid kit need to be installed. According to the IPA method, there are attributes of service that need to be enhanced on the primary priority scale: (1) the height/width difference of the station platform floor and the railroad floor; (2) seating facilities in the waiting room; (3) passenger service facilities such as work desks; (4) a special elevator (lift) for passengers using wheelchairs; (5) availability of a first aid kit in each train set; (6) space capacity to carry standing maximum of 1 m2 for 6 people; (7) availability of CCTV in the train; and (8) punctuality of departure or arrival time. In addition, the CSI score for KRL Sudirman station's quality of service performance is 71.60%, indicating that customers are satisfied with the quality of service provided.
Sediment Characteristics and Prediction of Sediment Yield in Drainage Channel: A Study on Yos Sudarso Street Cikarang City Irianto, Emilia Arista; Sudjatmiko, Eddy Triyanto; Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 2, No 2 (2024)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v2i2.5529

Abstract

Yos Sudarso Street, Cikarang City, is crucial for mobility and economic activity. However, Yos Sudarso Street has waterlogging and flooding issues due to severe sediment accumulation, resulting in siltation of the channel, so it cannot flow stormwater properly. This study aims to identify sediment characteristics and predict sediment yield in the drainage channel on Yos Sudarso Street, Cikarang City. It’s essential because sediment has negative impacts on drainage channels. The limited studies on sediment characteristics and sediment yield prediction in urban areas make this study necessary. The bed sediment samples were taken from 3 points in the drainage channel to identify the sediment characteristics. Sediment yield prediction using the Universal Soil Loss Equation method based on rainfall erosivity, soil erodibility, slope length, steepness, and crop management factors. The sediment characteristics at sites 1, 16, and 17 were dominated by large sand grains (0.82-1.81 mm) that were difficult to transport. Poorly sorted indicates low flow energy. Grain size distribution extends to fine grains. Sites 1 and 17 are concentrated at mean size, while site 16 is concentrated at the extreme size. The sediment yield prediction by the universal soil loss equation is 1.989 (t/ha/yr). This information can be used to formulate effective sedimentation control strategies.
Shear Strength Reduction of Expansive Soil and Its Impact on Sheet Pile Structure Stability (Study at Cikarang District, Bekasi Regency, West Java) Sudjatmiko, Eddy Triyanto; Alifia, Shilan Nazwa
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5895

Abstract

Expansive clay soils are classified as a problematic soil type, which is very sensitive to changes in moisture content. This sensitivity causes volume fluctuations and a decrease in soil strength parameters over time. The phenomenon has implications for the degradation of soil shear strength, which is often overlooked in long-term stability analysis. A real case happened in Bekasi Regency, where a slope retaining sheet pile experiencing a slant that was not predicted in the initial design. At the design and construction stage, the structure did not experience movement. However, over the time, the structure experienced a slow movement causing it to become lopsided and severely damaged, affecting the road below. This condition is suspected to be due to a decrease in soil strength over time. To investigate this issue, this thesis undertakes a numerical modeling approach with the Finite Element Method (PLAXIS 2D). It allows the simulation of gradual deterioration of soil parameters including cohesion (c), internal shear angle (ϕ) and modulus of elasticity (E) until results are obtained that match the current field conditions. The analysis revealed that the main cause of the sheet pile slope was a 35% decrease in soil shear strength after 13 years due to expansive soil characteristics. The cohesion of the top layer was reduced to 8.48 kN/m², the internal friction angle to 2.75°, and the elastic modulus to 1914.67 kN/m². In the second layer, the cohesion value was 25.14 kN/m², while the internal friction angle was 11.47° and the elastic modulus was 7218.71 kN/m². The cohesion in the third layer reached 36.28 kN/m², an internal friction angle of 12.71°, with an elastic modulus of 10466.96 kN/m², while in the fourth layer the cohesion reached 42.66 kN/m² and an internal friction angle of 13.42° with an elastic modulus of 12329.57 kN/m². Accompanied by a bending moment generated of 88.6 tons.m so it is recommended to use corrugated concrete sheet pile (CCSP) type W600 Type B for this condition. The study revealed that the stepwise decrease in the shear strength of the soil, caused by its expansive nature, was a major factor in the instability of the sheet pile structure.
Comparative Analysis of Embankment Slope Stability using Geofoam Sudjatmiko, Eddy Triyanto; Hairunnisa, Arsila
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5879

Abstract

Landslides caused by land movement due to unstable soil are one of the causes of infrastructure damage such as cracks or collapse and can pose various threats to humans. The development of technology in geotechnics called geofoam material which is also known as lightweight material can be solution. This study aims to determine whether geofoam can be used as a partial replacement material for soil by comparing the results that have been analyzed using Plaxis 2D software. Landslides with existing silt clay soil conditions occur because the safety factor = 1 in undrained conditions. Meanwhile, on embankment soil built with geofoam measuring 1 x 4 m on a 15 m thick embankment and a slope of 1:2, it shows that the safety factor on the slope increases to 1.5 for undrained conditions and 1.9 for drained conditions. A reduction in the amount of geofoam by 37% was carried out and the SF figures were 1.34 for undrained and 1.6 for drained. These results have met the requirements of SNI 8460:2017, where SF>1.25 and external load of 25 kN/m2 did not change the safety factor on the geofoam embankment. In addition, the displacement in undrained and drained conditions on the existing soil reached 27 cm and 31 cm respectively, much different from the displacement on the geofoam which was only 2.3 cm and 2.7 cm. The results of the effective stress distribution pattern and shear strain showed that the activity that occurred on the embankment with geofoam was very low compared to the existing soil. It can be concluded that geofoam material can replace part of the embankment, because it has been proven to be able to stabilize the slope on the embankment. In addition, the more geofoam used, the higher the stability of the embankment.
Strength Properties of Cellular Lightweight Concrete Bricks Using Sorong Sand Titarsole, Daniel Khen; Bali, Ika; Sudjatmiko, Eddy Triyanto
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 2 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i2.6325

Abstract

Infrastructure growth in Sorong requires innovative construction materials that are efficient, durable, and environmentally friendly. Cellular Lightweight Concrete (CLC) bricks are proposed as an alternative to conventional red bricks. This study investigates the compressive strength and density of CLC bricks made with Sorong sand, using Cikarang sand as a comparison. Laboratory trials were conducted to develop a mix design with a target density of 800 kg/m³. The results show that CLC bricks using Sorong sand reached densities of 821.73–867.16 kg/m³ and compressive strengths of 0.81–1.11 MPa at curing ages of 3, 7, and 14 days. These values were slightly lower than those of Cikarang-sand bricks, which achieved densities of 831.11–879.01 kg/m³ and strengths of 0.81–1.26 MPa. The reduced strength of Sorong-sand bricks is related to their lower density. Nonetheless, testing confirmed that Sorong sand meets fine aggregate specifications, making it suitable for CLC brick production and supporting local infrastructure development.
Co-Authors Alifia, Shilan Nazwa Amalia, Intan Dian Amanda, Sely Audi B.M.A.S. Anaconda Bangkara Bali, Ika Geovenerdy, Ravelino Hafizh Hairunnisa, Arsila Irianto, Emilia Arista Maruddhany, Rhystya Atysya Nugraha, Bimantara Putra prihartono prihartono Titarsole, Daniel Khen Wisan, Nathanael Edward