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The Use Of Gis In Estimating Rain Fall Erosivity Factor Of Onkaparinga Watershed- South Australia Trias Rahardianto
Prokons: Jurnal Teknik Sipil Vol. 7 No. 1 February 2013
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v7i1.40

Abstract

The study is aimed at the examination of spatial distribution of rainfall to produce rainfall erosivity map in Onkaparinga watershed, utilising Geographic Information System (GIS). Rainfall data was obtained from rainfall stations in and around the watershed as monthly precipitation data. Ordinary least square (OLS) method implemented to observe the relationship between rainfall erosivity as dependent variable, and both of rainfall and elevation as the explanatory variable. To create the continous surface of the site specific monthly and annual average precipitation data, the universal kriging interpolattion was implemented. The regression model shows that 96% of the predicted R factor value matches the observed R factor value. The result of this study is characterised the rainfall on the watershed as high temporal variability.Keywords: GIS, DEM, Universal kriging, OLS, Rainfall erosivity 
INVESTIGASI KERUNTUHAN SEBAGIAN STRUKTUR BETON LANTAI 2 PADA PROYEK PEMBANGUNAN DAN REHABILITASI PASAR X Trias Rahardianto, Suhariyanto
Prokons: Jurnal Teknik Sipil Vol. 8 No. 1 February 2014
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v8i1.56

Abstract

Partial collapse of Concrete Structure at 2nd Floor of the Development and Rehabilitation Project Market X, occurred during heavy rain and strong winds conditions. Reconstructively, the collapse of second floor area confined by D, G, 5 and 9 lines, are indicated as the result of domino effect of the collapse preceded by the collapse of the beam midspan along the line of F7-F8. Some factors suspected as the cause of the collapse; the weakness of the composite action of concrete and its reinforcement, and the lack of reinforcement detailing implemented at most structural elements. Action plan that needed be done is temporer retrofitting, demolitioning and cleaning up the wastes. reworking on collapsed structure,  repairing and reinforcing some poor structural elements. In addition, the adequacy of concrete cover depth is also need attention, due to the location of the X market which is in the corrosive environment, therefore a guarantee of preventing steel reinforcement from corrosion is required  for it will greatly affect to the strength of concrete structures.Keywords: concrete structure, Reconstructive, domino effect, composite action, detailing
Integrasi Building Information Modeling (BIM) terhadap Kesiapan Lulusan Teknik Sipil Menghadapi Transformasi Digital di Industri Konstruksi Setiyono; Rahardianto, Trias
Journal of Practice Learning and Educational Development Vol. 4 No. 4 (2024): Journal of Practice Learning and Educational Development (JPLED)
Publisher : Global Action and Education for Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58737/jpled.v4i4.36

Abstract

The development of digital technology has transformed the landscape of the construction industry, and one of the most important innovations in recent years is the implementation of Building Information Modeling (BIM). BIM provides solutions to enhance efficiency in the design, construction, and management of construction projects. This research explores the impact of integrating BIM into the civil engineering curriculum on students' readiness to face the challenges of an increasingly digitized construction industry. Through a quantitative and qualitative approach, this research uses pre-test and post-test to measure changes in students' competencies in using BIM after participating in the training. Three groups of civil engineering students were tested to measure their level of understanding before and after the BIM training. The research results show a significantincrease in post-test scores compared to pre-test scores in all three groups, with an average improvement of 24.7%. These results indicate that the integration of BIM in education can be effective in enhancing students' professional readiness and bridgingthe gap between academic theory and the practical demands of the modern construction industry. This study suggests that BIM should be more widely integrated into the civil engineering curriculum to prepare graduates who are ready to compete in the era of construction industry digitalization.