The Kampung Atas Air area has a high level of activity and economy because of its location close to the Floating Market and Speedboat Harbor which connects Balikpapan City with North Penajam Paser Regency. The amount of garbage scattered in the area shows a lack of understanding and concern for the community about waste management. To overcome this problem, we need a strategy to protect the environment, especially the management of plastic waste. In this activity, community empowerment will be carried out through counseling and mentoring methods in order to process plastic waste into paving blocks that can be economically beneficial. Evaluations carried out on the implementation before and after the activity through distributing questionnaires revealed that people's understanding of environmental hygiene, types of plastic waste, and how to process plastic waste into paving blocks is increasing.
<p>The collapse of the banks of the Dondang river at the BLC2 project site of PT. Kutai <br />Energi caused the barge to not dock and the conveyor to be unusable. One of the <br />causes of landslides is changes in river water levels which cause the soil around the <br />river banks to become saturated and unstable. The research begins with a survey <br />and data collection related to the research location. Analysis using GeoStudio <br />(Slope/W) 2012 software was carried out with two models, namely when the river <br />water level is normal and when the river water level is in a flooded condition. The <br />results of the analysis show that the critical condition occurs in the second condition <br />where the river water level is in a flood condition. In these conditions, it is known <br />that in the existing condition of the slope without reinforcement, the value of safety <br />number (SF) = 1.125 is obtained. On the other hand, when the pile reinforcement is <br />given, the slope safety score increases to 1.741 which indicates that the plaster can <br />overcome the sliding on the cliff due to the influence of the river water level</p>
The development activities carried out by the community are not accompanied by knowledge of geotechnical engineering, especially when building in the Karang Joang area which is generally a hilly area with a high potential for landslides or landslides. One of the ground movements that caused landslides occurred in RT. 33 Sei-Wain Road Km. 15 which resulted in damage to roads and houses of residents. This study aims to determine the effect of increasing building loads on slope stability. The benefit of the research conducted is to provide an understanding to the community regarding the importance of geotechnical planning in development in slope areas. The research was conducted by collecting existing data and soil parameters at the landslide location. The data is then modeled using a geo-slope program so that the safety value is obtained. The results of the analysis show a decrease in the safety value of 13.7% so that a decrease in the safety number is obtained from 1.686 which is more than 1.5 so that the slope is in a stable condition to 1.455, with a safe number value below 1.5 moderate disturbances can cause the slope to become unstable.
Tawaeli-Toboli is an arterial road that often experiences landslides due to rainfall, which increases pore water pressure and thus, decreases the soil’s shear strength. This research analyzes the effect of rainfall on Tawaeli-Toboli road with numeric simulation to determine the characteristics such as changes in pore pressure and slope stability. Frequency analysis with HAVARA software was used to determine the maximum rainfall, while the dominant rain duration was analyzed using WindRose. Furthermore, the SoilVision software was used to fit grain size distribution, and the results are used to estimate the soil-water characteristic curve (SWCC). Analysis of pore water pressure changes was carried out using the SEEP/W program. The results were used as input data to determine the slope stability analysis using the SLOPE/W program. The frequency analysis result showed that the maximum amount of rainfall on Tawaeli-Toboli road is 205.698 mm after 11 days. During normal rainfall (20 mm/day), the Western slope remains stable with a safety factor value of 1.50. Simultaneously, in heavy rains, it decreases significantly to 1.350 after 11 days of rain. The eastern slope is quite stable because it has a safety factor value of 1.721 during heavy rain conditions.
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