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All Journal Jurnal Dimensi Pratama Teknik Sipil Civil Engineering Dimension Peka: Jurnal Pengabdian Kepada Masyarakat
Gogot Setyo Budi
Dosen Program Studi Teknik Sipil Universitas Kristen Petra
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences

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Journal : Civil Engineering Dimension

 1 
The Correlation between Penetration Pressure Required to Install Pile Foundation and to Insert Bi-cones in Cone Penetration Test Budi, Gogot Setyo; Tandiputra, Alvin Gilbert; Markho, Haven Kusuma
Civil Engineering Dimension Vol. 21 No. 1 (2019): MARCH 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (416.323 KB) | DOI: 10.9744/ced.21.1.13-18

Abstract

One of the common methods used to install pile foundation is hydraulic jacked-in machine. In this method, a pile is pushed down into the ground up to the predetermined depth. The method has similar principle to that of Cone Penetration Test (CPT). This paper presents the correlation between the mobilize pressure required to install pile foundations and that required to push the bi-cones that attached at the tip of CPT rod. The results show that the penetration pressure required to install the pile into very soft clay layer is independent of pile diameter. The penetration pressure required to install the pile into soft to stiff clay layers depends on the pile diameter. The larger the diameter of piles, the smaller the penetration pressures required. The penetration pressure required to install the pile into stiff expansive clay layer beyond the depth of active zone can be predicted as high as the pressure calculated form CPT.
The Effect of Welded Splice with Predetermined Gap of Concrete Spun Pile on The Response of Low Strain Integrity Test Budi, Gogot Setyo; Tanaya, Levin S.
Civil Engineering Dimension Vol. 24 No. 2 (2022): SEPTEMBER 2022
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (595.49 KB) | DOI: 10.9744/ced.24.2.109-114

Abstract

This paper presents the velocity wave of concrete spun piles with welded splice. The stress wave velocity was recorded using Pile Integrity Test. Two specimens were prepared in the experiment. The first sample was prepared visually no gap between the two end-plates of connected  piles, while the second  specimen was prepared by inserting 5mm thick steel plate into the splice to create a gap in its connection. The results show that a spike of reflecting stress wave still develops at the splice with and without gap, regardless the splice was welded in full circle. The relatively high spikes of reflecting waves at pile toe are noticed for both specimens with and without gaps. It shows that the full welded splice able to transfer stress wave velocity.  A good quality of welded splice can be indicated by the reflecting wave at the pile toe, regardless the reflecting wave development at the splice.
Optimization of Counterfort Retaining Wall Structure with Shear Key using Metaheuristic Method Budi, Gogot Setyo; Chandra, Joel Glenn; Ongkowardhana, Bryan Saputra; Husada, Willy
Civil Engineering Dimension Vol. 26 No. 2 (2024): SEPTEMBER 2024
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.26.2.151-159

Abstract

This paper presents the optimization work to obtain the most econo­mical of counterfort retaining wall structure with shear key attached at its base using metaheuristic method. The metaheuristic algorithm is a global optimization method that can be used to find the optimum solution of complex problems. In this research, optimization is carried out using the Particle Swarm Optimization (PSO) and Symbiotic Organisms Search (SOS) methods. This research utilizes a retaining wall sitting on stiff clay layer subjected to ten (10) m of granular soil of backfill. The scope of the study is limited to the material cost, that consists of the cost of concrete and reinforcement bars, of the counterfort retaining wall with shear key. The results show that the SOS algorithm resulted a lower cost and relatively faster in obtaining optimum retaining wall design compared to that of the PSO algorithm.
Co-Authors Aga , Andrew Setiawan Aning Ayucitra Chandra, Joel Glenn Christian Aditya Dewi Hindra Wijaya Handoko Sugiharto Herman Hindarso Indah Epriliati Leonard Alan Christandy Ligis Ebel Meinata Markho, Haven Kusuma Markho, Haven Kusuma Melisa Kosasi Ongkowardhana, Bryan Saputra Puspitasari, Wahyuning Dyah Setyono, Ferdy Sugiarto, Yonatan Septian Sugie Prawono Tanaya, Levin S. Tandiputra, Alvin Gilbert Tandiputra, Alvin Gilbert Viviane Olivia Willy Husada, Willy Yuwono, Reynardo Cristoval