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All Journal PRESUNIVE CIVIL ENGINEERING JOURNAL
Eddy Triyanto Sudjatmiko
President University, West Java, Indonesia
Arts Civil Engineering, Building, Construction & Architecture Control & Systems Engineering

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The Effect of Steam Curing on the Early Compressive Strength of Glass Powder Concrete Ravelino Hafizh Geovenerdy; Ika Bali; Eddy Triyanto Sudjatmiko
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 Nathanael Edward Wisan; Ika Bali; Eddy Triyanto Sudjatmiko
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.
Co-Authors Ika Bali Nathanael Edward Wisan Ravelino Hafizh Geovenerdy