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International Conference on Coastal and Delta Areas
Published by Universitas Islam Sultan Agung
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Core Subject : Science, Education,
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Arjuna Subject : Psikologi - Psikologi (Lain-Lain)
Articles 121 Documents
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Technical Economy Study on Jurang Jero Small Dam Construction Project In Blora Regency Dedi Prasetio Suryono; Soedarsono Soedarsono; Gata Dian Asfari
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

One effort to improve the water resources sector in the field of water needs is to build a container of water reservoir either in the form of natural container shelters like situ or artificial storage containers such as small dam. The aim of this research is to know the benefits of Jurang Jero small dam construction in terms of technical economic aspects obtained from irrigation water and raw water for Jurang Jero small dam construction project. The research method is descriptive quantitative with NPV analysis technique, Net B / C, IRR and sensitivity analysis. Quantitative data in the form of project costs, agricultural and fishery data are needed to calculate project benefits. Primary data retrieval technique using interview. Keywords: ekonomi teknik, small dam, Jurang Jero
THE TRAFFIC ANALYSIS ON THE SIGNALED T-JUNCTION (A Case Study Of Purwokerto Indah (Purin) T-Junction, Kendal) Dwi Wahyu Hidayat
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Purwokerto Indah T-Junction (Purin) is one of the T-Junctions located in the district of Kendal. This place is found to be a signaled T-Junction and belongs to education and housing area. Looking at its function, it connects Jl. Tentara Pelajar with Jl. Soekarno-Hatta, the main road of North Beach (Pantura). In the rush hours, especially in the Morning and in the Afternoon, this site becomes crowded and vulnerable to conflict due to being located on the area of Jl. Soekarno-Hatta, the main road of North Beach (Pantura). In order to meet the need of this research, surveys on the flow of traffic, type of vehicle, Geometry of road, and phase of traffic on the T-Junction were conducted. These surveys were made on Sundays, Mondays and Wednesdays at 06.00 to 18.00. The T-Junction performance analyses were made by referring to MKJI where it included the level parameter of saturation, postponement, and T-Junction services. Of the data analyses, the intersection performance values at the peak condition were found to be at the south area of Jl. Tentara Pelajar with the level of saturation (DS) 0.937, and the total of delay 61.827 seconds/unit of passenger car that it belonged to service level D. For the west area of Jl. Soekarno-Hatta, this had the level of saturation (DS) 0.937, and the total of delay 57.528 seconds/unit of passenger car, where this belonged to level D in term of service. For the east area of Jl. Soekarno-Hatta, the level of saturation (DS) was 0.937, and the total of delay was 80.374 seconds/unit of passenger car. It means, the average of intersection delay in the T-junction, Purin, Kendal was 34.27 seconds. This further explains that the service level of Purwokerto Indah (Purin) T-Junction, Kendal belonged to level D. Keywords : MKJI; Signaled T-junction, Service Level
Flood/Rob Handling Study with Polder System In Port of Tanjung Emas Area Semarang Mahmudi Amir; Slamet Imam Wahyudi; Gata Dian Asfari
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Tanjung Emas Port is located in Semarang City which is the Capital of Central Java Province. Port of Tanjung Emas has a very vital role in supporting the economy of Central Java and surrounding areas as the entrance and exit of goods both regionally and internationally. But the problem of inundation, especially in the port of Tanjung Emas Semarang is a routine problem that can not be resolved and become a scourge for the port service user in the port. The purpose of this research is to know the management of polder system to handle flood disaster in Port of Tanjung Emas Port Semarang both from operational aspect and its maintenance and also evaluate polder system performance as flood / rob disaster management system. This study is a case study, which is to investigate in depth about flood / rob handling system using polder system. The approach method used in this research is descriptive method. Respondents of this research are the parties in the port area that is the manager (PT Pelindo III), port and port hydrological experts both the workers and the harbor. Data collection was done by field observation, questionnaires and interview. Data were analyzed by descriptive analysis. Keywords: flood / rob handling, polder system, port ofTanjung Emas
Inventory Of Environmental Issues Related To The Utilization Of Natural Resources In Coastal Areas Case Study : Wedung Sub-districts, Demak Regency Eppy Yuliani
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Wedung Sub-districts, is one of the locations in the southwestern coastal estuary of Demak Regency. Potential natural resources, mainly salt encryption pond, agriculture, characters livestock. The harmful socio-economic life of the community is dominated the United States farmers' and market traders. many environmental problems faced by the local community. The purpose of this research is to conduct an inventory of environmental issues related to the utilization of natural resources. The methodology employed is a qualitative deductive rationalist approach, with descriptive analysis techniques. Research variables include natural resource types and environmental issues. the conclusion of the research is the natural resources of the coastal area of Wedung Sub-districts covering marine resources producing fishfinder catch and people's salt encryption . Agriculture with the main production of rice. Environmental issues encountered include abrasion, flooding, rob, beach abrasion, drought. Keywords: environmental issues, coastal areas.
Application Engineered Cement Composite Material to Building Fire Resistance at Coastal Area Danna Darmayadi
International Conference on Coastal and Delta Areas Vol 1, No 1 (2015): Management and Engineering in the Sustainable Development on Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

When building from concrete material on fire for long time, can make damage the material. The degree of damage depended of degree of temperature and duration of fire. This research use Engineered cement composite material to compare with concrete material for building fire resistance. This research  assumed to find out the change of Engineered cement composite strength, modulus of rupture and shear strength pre and post burn. Temperature fire was 600 0c at duration 3 hours with two variation mix design  of Engineered Cement composite. The results showed that the ECC was decrease  of compressive strength, MOR, and shear after burn. Variation one  with result  K 400 decrease 19%, 23% and 45,61% for  compressive strength, modulus of rupture and shear strength. Variation two with result K 350  decrease 20%, 27,2% and 60%  for compressive strength, modulus of rupture and shear strength.  Keyword: Concrete; Post-Burn; ECC (Engineered Cement Composite); Experimental
WATER INTEREST INTO SPATIAL PLANNING Thijs Gerritsen; Bernd Ongena; Slamet Imam Wahyudi; Johan Helmer
International Conference on Coastal and Delta Areas Vol 1, No 2 (2015): the 2th International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

The result of climate change and land subsidence, several cities and communities located in on the north coast of Java faces flooding on a daily basis. The biggest impact of climate change is that bigger peak values in runoff water from higher lands are measured, tidal movements from the Java Sea effects the land more because of sea level rise and the lower surface level. Problems accrue during raining season. Many measurements have already been taken to protect the land from flooding in Indonesia. For example, dikes are built, pumps are installed and retentions areas are appointed. In the Netherlands the “water assessment” is introduced, which ensures that water management objectives are taken into considerations in relevant spatial planning procedures/ decisions of the central government, province and municipalities. The main focus for this research was to improve the legislation on spatial planning and the procedures at locale scale, which are related in the field of water management. The relevant legislation and procedures are used to derive what the opportunities and limitations are, to implement a kind of water assessment. The final results are two basic concepts which could be used in the context of the Banger Pilot Polder Project in East-Semarang (Jawa Tengah, Indonesia). Nevertheless, the legislation and regulation are mostly similar everywhere in Indonesia. This article and the results can also give an indication of the possibilities for other municipalities and water managers.Keys Words: Water Management, Planning Procedure, Legislation
Integrated Coastal Zone Management in Ecological Planning Etika Sukma Adiyanti
International Conference on Coastal and Delta Areas Vol 1, No 1 (2015): Management and Engineering in the Sustainable Development on Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Functional relationships between ecosystems is a form of environmental harmony. The strategic location owned Indoneisa provide "PR penting" for planners with insight-led development planning. Coastal and delta have an important function in ecological planning. Because most of Indonesia is maritime zone. Marine nature itself has a functional purpose. For example, as a livelihood for fishermen, tourism opportunities, even the industry can take advantage of the presence of the sea.Development in Indonesian waters turned out to impair the function of the ecological integrity of the beach. It causes environmental degradation and decline in socio-economic welfare of the surrounding community. Similarly, river or sea border with the delta area will experience anxiety existence. Integrated coastal zone management can be a solution to these problems in the long term sustainable development. Its construction was substantially approach such an ecological approach, fungsioanlapproach, approach to social-political, and cultural approaches. While the instrumental approach including economic approach, the approach of the program, legal approaches, and alternative approaches. Step sequential process of development with that of the planning-implementationevaluation.
Effect of Material ConductivityThermalto Sea Water Evaporation in Solar Desalination Oktarina Heriyani; Mugisidi Mugisidi; Hamdi Faturohman
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Sea desalination technology with solar energy is very suitable to be utilized in Indonesia to produce fresh water with low production costs. In order to speed up the evaporation process, a suitable material is needed to be used as a seawater pan. Therefore, the purpose of this study is to determine the appropriate material to be used as a place of sea water. This research uses trapezium bowl with aluminium, copper, rubber, and glass material with surface area of 31.5 cm2 and 250 ml of water. Data collection from 10:00 am until 14:00 pm for five days. Environmental, material, and water temperatures are measured hourly. In high material conductivity such as copper (319.25 W/m.°C) and aluminium (16.95 W/m°C), the evaporation was 33.96 and 30.48 ml. While rubber (0.13 W/m°C) and glass (0.15 W/m°C) which had lower conductivity, also have lower evaporation, that was 27,68 and 27,83 ml. Thus, in desalination process by using solar heat, conductivity of container material affected the amount of water that evaporates. The higher the thermal conductivity value of the material then the volume of evaporated water would also be greater. Keywords: keywords desalination, evaporation, sea, water, solar
Analysis of Land Subsidence (Land Subsidence) Affects Against Water Puddle In Semarang City Pratikso Pratikso; Soedarsono Soedarsono; Andri Kurniawan
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Land subsidence is a natural phenomenon that occurs in the young soil layer (alluvial). The incident is bad for the construction that is above it, it is also exacerbated by the entry of seawater that enters due to the soil surface that has been declining so that the ground elevation is below sea level elevation.Semarang city is one of the cities located in the north of Java island that the condition of the land in the city is alluvial soil. Semarang's coastal topography is flat in the range of 0-2% with most of its area almost equal to sea level and even in some places below it. The results of technical geological investigation in North Semarang city showed that the subsurface layers up to 25 m depth consisted of heavier soil types 1.7-1.84 t / m3, silt with 0.200 0.448, & clay. The predictions of subsidence using the 1D Terzaghi approach with the T90 obtained the smallest decay of 19.6 cm over 8,624 years and the greatest collapse 127.7 cm for 29.634 years, while using the smallest 216 cm subsidence Geostudio program for 8,624 years and the greatest descendant of 135.9 cm for 29.634 years. Keywords: Land Degradation, Digital Elevation Model, Rob's puddle
Influence Of Angularity Of Grains On Suffusion Process In Clayey Sand Ari Sentani
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

About 46% from 136 dysfunctions of surveyed dams has related to internal erosion. Internal erosion is a phenomenon that is not fully understood, although it’s makes dysfunctions in dam’s structure. Two main phenomena responsible for erosion of particles in soil are backward erosion and suffusion. This report deals with suffusion process, which takes place inside the soil matrix. In suffusion, finer particles of a soil migrate within its own pore spaces be-tween the larger particles. These fine particles can be cohesionless particles or clay particles. With the objective to study the effect of angularity of coarse fraction grains on suffusion, a series of tests was performed on different clayey sand. Five sand types samples were tested which are different angularity of grains and same grain size distribution. Two experimental devices were used: one to characterize the grain shape and the second to quantify the influence of the grain shape on suffusion. Mechanical method was used to characterize the grain shape. By using a triaxial erodimeter, the suffusion sensitivity of five mixtures of kaolin-aggregates was determined. Results clearly demonstrate that suffusion process depends on the grain angularity of coarse fraction. With a constant flow, angularity of coarse fraction grains contributes to increase the suffusion resistance. Keywords: internal erosion, suffusion, triaxial erodimeter, angularity

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