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Sry Gusty, Sry
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Civil Engineering, Building, Construction & Architecture

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Analysis of Vulnerability Level of Beach Abration Disaster in the District of North Galesong, Takalar Regency Firdaus, Firdaus; Chaerul, Muhammad; Gusty, Sry
ASTONJADRO Vol. 11 No. 3 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i3.7195

Abstract

Vulnerability is the inability of an individual or community group to minimize the impact caused by a hazard. Information about the level of vulnerability is essential to reduce the risks and effects caused by a disaster. Assessment of the level of vulnerability of threatened areas is carried out to minimise losses and the population exposed to disasters. This study aims to determine the level of vulnerability to coastal abrasion in North Galesong District, Takalar Regency. The analytical method used is the vulnerability index of coastal areas consisting of population components, namely population density and vulnerable groups, economic components, low-income families and anglers, physical components in the form of building density and ecological features in the form of mangrove vegetation. Analysis of vulnerability index data using the vulnerability assessment table issued by the Regulation of the Head of BNPB Number 2 of 2012. The overall results of the research are the vulnerability level of coastal villages in North Galesong District is in the high category. The category of high vulnerability is a condition of a community or society that leads to or causes a high inability to deal with the threat of coastal erosion in the North Galesong District. Vulnerability reduction activities can be carried out by increasing public understanding, especially vulnerable groups and poor fishers groups, through training and socialization activities regarding potential disaster threats, the driving factors for their occurrence and the risks. Socialization of the potential danger of abrasion and extreme waves for fishers is necessary to increase knowledge in dealing with disaster threats. Socialization can be done by inviting anglers to disaster management activities.
Community of Analysis Mitigation and Adaptation to the Flood Disaster Overload of Lake Tempe, Wajo Regency Muhammad Reza, Andi; Chaerul, Muhammad; Gusty, Sry
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8143

Abstract

In South Sulawesi, Wajo Regency is one of the areas prone to flooding during the rainy season. Floods that occur in the area cause inundation. The inundation that occurred was caused by the overflow of Lake Tempe. This research was conducted in Laelo Village, Tempe District, which is located around the Tempe Lake Coast. This location was chosen purposively with the consideration that the area has become a frequent flood in the western part of the kelurahan (the part near the lake). The village has a low contour in the west and high in the east. The research design is descriptive and qualitative which aims to describe the state or status of the phenomenon. The purpose of the research is to analyze the forms of adaptation and mitigation that will be carried out by communities in flood-affected areas. This research uses field surveys, in-depth interviews, making field notes, and documentation. The data collection method was carried out using purposive sampling because the desired sample in the study was only people living in the coastal area of the lake, namely in Laelo Village which was only affected by flooding, not the entire Laelo Village community. Data analysis techniques in qualitative descriptive research are carried out with interactive analysis in the form of cycles. Data analysis was carried out simultaneously with the implementation process of data collection. The results of interviews with the community show that they understand that flooding is an ordinary natural phenomenon which is an overflow of a lake, but they do not know why there is a flood. Some people who live on the shores of the lake feel that almost every year they are exposed to floods from the lake. Where the form of adaptation they do is to raise the pole of the house and prepare a boat that is moored under the house to be used as a means of transportation in the event of a flood. Several forms of mitigation that have been carried out are water hyacinth retaining embankments, and making taller bridges with concrete connecting roads from house to house. Information has been found regarding evacuation signs with the evacuation route installed, the mosque is used as a place to disseminate information related to the incident and development of the flood. It is better to form a disaster-resilient village in the area to create an area that is more prepared to face disasters.
Planning Analysis of Asphalt Porous Mixture Based on Fly Ash Waste as Filler Substitution Gusty, Sry; Irmawan, Irmawan; Desi, Natsar
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8320

Abstract

In relation to the development of the quality of the transportation system, road pavement technology will gradually develop and be updated in terms of the quality of the transportation infrastructure currently being developed by porous asphalt. Porous asphalt is an asphalt mixture that is designed to have a higher porosity than other types of pavement. it is obtained because the porous asphalt mixture uses a smaller proportion of fine aggregate than other mixtures. In addition to asphalt, there are aggregates both coarse and fine and filler is one of the components in a road pavement construction that has a big role. In order to increase its stability, the use of fine fractions including filler in the mixture proportion should be more. Class C coal fly ash is one of the non-organic and non-plastic materials that can be used as a filler in porous asphalt mixtures and is expected to increase its strength. The purpose of this study was to analyze the effect of using flyash on a porous asphalt mixture on the value of the marshall characteristics and the value of weight loss. The results of this study discuss the marshall test on variations in coal flyash waste 0%, 2%, 3%, 4%, 5%, and 6% using the REAM specification, for the VMA value the percentage of coal flyash waste all meets the specifications specified. has been required, for the VIM value only the percentage of 4% that meet the specifications and 0%, 2%, 3%, 5%, and 6% do not meet the required specifications. For the stability value, the percentage of coal flyash waste 2%,3%,4% met the specifications, while 0%,5%, and 6% did not meet the specifications. For the flow value, the percentage of coal flyash waste 5% did not meet the specifications, while 0%,2%,3%,4%, and 6% had met the required specifications. And for the value of VFB and MQ the percentage of coal flyash waste does not meet the required specifications. Based on the results of the REAM cantabro test, the percentage of coal flyash waste 0% and 2% did not meet the specifications, while 3%,4%,5%, and 6% met the predetermined specifications, namely the maximum weight loss value of 20%.
Co-Authors Desi, Natsar Firdaus Firdaus Irmawan Irmawan Muhammad Chaerul Muhammad Hadinata, Muhammad Muhammad Reza, Andi Nur Khaerat Nur, Nur Khaerat