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Jurnal Sains dan Teknologi Mitigasi Bencana
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Articles 6 Documents
Search results for , issue "Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana" : 6 Documents clear
STABILITY ANALYSIS FOR EMBANKMENTS WITH GEOELECTRICITY Teddy Wartono Sudinda
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v15i2.4333

Abstract

The collapse of the embankment is a problem that needs attention to find the right solution, so that the risk can be minimized. The condition of the embankment is influenced by the strength of the soil layer of the embankment, groundwater flow in the embankment, the condition of the water level of the embankment and human activities around the embankment. Changes in the quality of soil density in the embankment can form cavity zones within the embankment which cause changes in groundwater flow patterns in the embankment. The degradation of the soil layer of the embankment can cause piping, overtopping which is the cause of erosion of the embankment body and disturbs the stability of the embankment. Therefore, to determine the condition of the embankment soil layer, research on the stability of the embankment has been carried out using the geoelectric method at the location of the embankment in the Cipancuh and Penjalin reservoirs, so that an image of the embankment soil layer is obtained to determine the cavity zones in the embankment, the flow pattern in the embankment soil layer. Keywords:  cavity zones, flow patterns, geoelectric methods, the stability of the embankment.
REGRESION MODEL OF COVID-19 MEDICAL HARZARDOUS WASTE GENERATION BASED ON MAXIMUM BEDS CAPACITY OF REGIONAL HOSPITALS IN DKI JAKARTA Mr Prihartanto
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v15i2.4406

Abstract

The Covid-19 pandemic disaster in DKI Jakarta has shown a significant increasing in confirmed positive cases starting in September 2020, resulting in the re-implementing of Large-Scale Social Distancing (PSBB). The main factor that led to the re-implementing of the PSBB in DKI Jakarta is the limited bed capacity in the 67 Covid-19 referal Local General Hospitals (RSUD). Handling Covid-19 patients requires more medical equipment such as masks, glasses, protective clothing and so on, which will increase the rate of medical waste generation. This study will discuss the prediction of minimum and maximum generation of Covid-19 medical hazardous waste (B3) in 67 Covid-19 referal RSUD in DKI Jakarta which can be calculated based on the maximum capacity of available isolation and ICU beds during the period 23 August - 4 October 2020 and the average of medical waste generation per patient treated. From the prediction, a regression model of increasing number of minimum and maximum medical hazardous waste produced in several Covid-19 referal RSUD in DKI Jakarta can be made. Keywords: covid-19, hazardous waste, hospital, maximum capacity, regression model.
QUICK ASSESSMENT METHOD FOR CANISTER STRUCTURAL DESIGN OF INA-CBT Mulyo Harris Pradono
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v15i2.4423

Abstract

Canister in the Ina-CBT (Indonesian Cable-Based Tsunameter) system is a structure to protect underwater sensor system. Canister and sensor system form the OBU (Ocean Bottom Unit) system. This OBU is connected by land via submarine cable. This canister is used to protect the sensor system from the underwater leakage and water pressure. Because the location of the OBU can usually reach a depth of thousands of meters in the sea, the water pressure on the OBU becomes very large. As an illustration, for a depth of 1000 meters, the pressure on the canister wall is 1 ton per square meter. For this reason, a strong canister structure is needed to withstand water pressure without damage. The strength of this structure can be analyzed using a structural analysis program. However, if a change in pressure and dimension is needed, it needs to be re-modeled to determine its strength which requires time. Therefore a study of a method to determine quickly the strength of the canister is carried out. The results show that this method is very useful to quickly determine the dimensions and initial weight of the canister due to the external pressure load of sea water. For example, with SS 316 L stainless steel material and a canister inner radius of 100 mm, the canister is suitable for further design only for external pressures up to 30 MPa. For pressures above 30 MPa, the thickness and weight of the canisters are becoming impractical for onboard handling.  Keywords: canister, ina-cbt, strength, water pressure, quick method.
THE IMPACT OF COVID-19 PANDEMIC ON METAL MINERAL COMMODITIES IN INDONESIA AND THEIR MITIGATION IN MINING ACTIVITIES: Desk studi wahyu wahyu garinas
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v15i2.4461

Abstract

The Covid-19 pandemic in 2020, has affected all mining sectors. The price of mining materials index is very low due to the Covid-19 pandemic and also when compared to other pandemics such as SARS, HN1, and Ebola. The price of the metal index such as iron, aluminum, nickel, zinc, copper) almost all fell and only high gold metals are increasingly expensive. The large mining companies continue their production and they use health protocols. For the continuity of mining operations, the company creates stages and strategies in mining operations (teamwork schedule, employee location, working time, number of workers, evacuation of employees). For the continuity of the company's operations, the company plans: responding to an emergency situations (pandemic), build the company's resilience, recover the company from impact, develop an action plan and build the foundation of the company to rise in the new normal time. The company conducts mitigation and protection individually and in groups and creates health campaigns digitally. In mining operations, the company develops its operational activities by implementing health protocols such as avoiding many people and making mine operational plans that follow health protocols.  Keywords: Covid-19 pandemic, mineral commodity, index value, health mitigation.
REGIONAL PLANNING AND DEVELOPMENT BASED ON DISASTER RISK REDUCTION IN BANTEN PROVINCE Novian Andri Akhirianto
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v15i2.4502

Abstract

Banten Province is one of the areas prone to disaster, because it has various hazards of disaster. On the other side, the process of regional development continues as well as all human activities. To handling these problems, disaster risk reduction efforts are needed by taking into account the regional developments. The purposes of this research are to identify the level of disaster risk, the level of regional development, and to find out the relationship between disaster risk and the level of regional development in Banten Province. This research was conducted using the literature study method, by searching and studying various literatures. Data analysis was performed using scoring techniques and an integrated model of the relationship between regional development and disaster risk, with the unit of analysis is district/ city. The results showed that there were 2 typologies of the relationship between disaster risk and regional development in Banten Province, 5 districts/ cities (Pandeglang Regency, Lebak Regency, Tangerang Regency, Serang Regency and Tangerang City) in typology I (high) and 3 districts/ cities (Cilegon City, Serang City, and Tangerang Selatan City) in typology III (low).  Keywords: hazard, vulnerability, capacity, disaster risk, regional development, banten province.
SOIL QUALITY INDEX ANALYSIS IN EFFORTS TO OVERCOME LAND DEGRADATION IN NGANJUK REGENCY Dyah Nursita
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 15 No. 2 (2020): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v15i2.4564

Abstract

Soil quality is ability of soil to preserve the productivity of pants, preserve maintain water supplies, and support human activities. Soil quality assessment results can be used as a recommendation in addressing land degradation. The soil quality cannot be directly measured therefore physical, chemical and biological indicators collectively are determined which influence the soil quality called minimum data set (MDS). A study and experimental analysis was conducted in August - November, 2019. The descriptive study was done in some land units in Nganjuk Regency by measuring its soil index quality using Mausbach and Seybold (1998) criteria which has been modified by Partoyo (2005). The soil quality index was analyzed using function that represented most of the soil. The soil samples were taken by purposive sampling and the texture, volume weight, porosity, C-organic, pH, P-available, K-exchangeable, N-total and rooting depth were analyzed in laboratories. Soil quality index values ranged between 0-1. The higher index value indicates better quality. The analysis result of selected soil functions (MDS) and MDS scores were than summed to determine the value of the soil quality index (SQI). The study concludes that several land units in Ngluyu, Wilangan, and Tanjunganom Districts that had low soil quality (IKT = 0.2399 - 0.3869). Meanwhile, the land units in Bagor District have very good soil quality criteria (IKT = 0.8671). Keywords: soil quality index, land degradation, minimum data set, nganjuk.

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