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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,
Earth & Planetary Sciences Other
Arjuna Subject : Psikologi - Psikologi (Lain-Lain)
Articles 121 Documents
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Effects Of Mixed Asphals With Feldspar Filler Modification On Oil Asphals Latifun Latifun; Antonius Antonius
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

Each composite material in a pavement mixture gives different variations of characteristics and performance, therefore it is still necessary to test the variations of the material to find the suitability of the use, so that by testing it can contribute information about the use of materials that can be used as an alternative in reference to choosing a replacement material This study aims to determine the characteristics of marshall using asphalt binder modified polymer AC 50/70 by using the material of feldspar stone ash, in terms of Marshall stability, flow VF, VIM (Void in Mix), VIM (Void in Bix) VMA (Void in Mineral Aggregate), MQ (Marshall Quotient), and. Density, This research uses hot mixed asphalt test (Hot Mix) with Marshall method. The asphalt content used was 4%, 4.5%, 5%; 5.5%; 6%; 6.5%; and 7% with each variant made 5 specimen. Implementation of the research was conducted at Civil Engineering Laboratory Faculty of Engineering, Islamic University of Sultan Agung Semarang. Implementation stages include aggregate examination (fine aggregate and coarse aggregate), filler examination, manufacture of asphalt concrete mix test and test using Marshall method. Keywords: Asphalt mixture, feldspar, filler, Asphalt oil
Strategy of Natural Disaster Management of Rob In Tanjung Emas Port Area Based on Value Engineering Analysis and Stakeholder Expectations Prosis Setiyawan; Slamet Imam Wahyudi; Kartono Wibowo
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 was inaugurated by the government in 1985 and became the main entrance of export and import goods to and from Semarang. So many big companies are building their factories in this area. There is even an industrial estate called Tanjung Emas Processing Zone (TEPZ) which some companies enter in bonded zone. Yet this port faces an ever-present problem, namely rob coming from tidal water and also a continuous decline in soil surface. In order to protect the various port facilities, it is necessary to create a robust flood handling system that is economical, efficient and accurate. The aim of this research is to get the result of handling of inundation based on value engineering analysis and the best stakeholder expectation. Value engineering research approach is directed to the analysis of a function that is a way to get or know the functions that are not needed. The function is presented in the comparison of Cost and Worth. VE analysis in this study was conducted by comparing the handling of rob disasters between polder systems with road elevation. Analytical techniques used include information stage, functional analysis phase, creative phase, evaluation phase, development stage and presentation stage. Keywords: rob handling, value engineering, stakeholder expectations, Tanjung Emas port
Assessment of Geotechnical Feasibility in Development of STIE BPD Semarang Lisa Fitriyana
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

Geotechnical studies are an early stage for planning an infrastructure. In general, the geotechnical parameter value of a region is determined by soil characteristics. To know the condition of the soil layer under the structure, it is necessary geotechnical investigation. Toptografi uneven shape and the value of the low bearing capacity causes the need for planning the reinforcement. The reinforcement used is soil nailing and retaining wall. In this feasibility test used analysis of soil bearing capacity with plaxis program. The results of the analysis show that the reinforcement at the construction site of STIE BPD raises the value of its Savety Factor reaching 5.83.  Keywords: Geotechnical investigation, soils bearing capacity, reinforcement.
The Characteristic of Sandy Soil’s Shear Strength with Lime and Coal Fly Ash Mixture Ibnu Toto Husodo
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

Sandy soil in solid conditions tends to have good characteristics. However, sand in the even and loose and water-saturated conditions has low shear strength when cyclic load occurs (such as earthquake). This paper presents the results of research on the improvement of sandy soil with a mixture of lime and coal fly ash. Two mixing techniques on the sandy soil were done in column (method A) and mixed (method B). Coal fly ash - lime mixture was done with a ratio of 1: 1 (in weight ratio). An unconsolidated undrained triaxial test was performed for both methods at the test of 1 day, 3 days, 7 days and 14 days. The size of the triaxial test specimen was diameter = 36 mm and height = 72 mm. For method A, the column was made as high as the test specimen with a diameter size of 12 mm. The shear strength value of unstable sand was 35.4 kPa. Overall, it can be concluded that stabilization techniques affect the shear strength of sandy soil. The soil improvement technique with method B gives a larger shear strength value than method A does. However, sand soil behavior with improved technique of method B is more brittle than method A. Keywords: strong shear, sand, coal, lime, triaxial
Taxation System for Maintenance of Flooding Building (Study Case is The Banger Polder Project) Slamet Setioboro; Slamet Imam Wahyudi; Rick Heikoop
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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The Banger Polder Poject is a twinning project in which Indoensian authorities and Dutch parties work together to realize a polder system and an organization to operate and maintain this system in the Banger area in Semarang, Indonesia.( BPP, SIMA). Banger polder system is a part of the drainage system in the Middle Semarang area consisting of 524 ha which is made as a flood catchment area. This study aims to determine an appropriate concept to apply the taxation system for maintenence of the Banger Polder Project in accordance with the socio-economic conditions of Indonesian culture. The study focus on the implementation of the system of taxation in the case of ground water extraction. Most of Inhabitants Semarang are located in the lowlands take advantage of this by making the ground water wells dug (shallow) with an average depth of 3-18 m. The study use quantitative method to express the data in numbers and analysis SWOT method. In the study, the Netherlands (Water Board) was chosen as an example of implementation taxation in the field of water. So that, the goverment of Semarang can make some new rules or regulations in Taxation System.Keywords: Banger Polder, Flood, Taxation sytem, Underground water.
The Enginering Important Components of Jatibarang Dam, Semarang, Indonesia Jonathan PLANCHOT; Maxime LENOIR; S. Imam Wahyudi; Fateh BENDAHMANE; Henny Pratiwi Adi
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

Semarang City suffers from inundation caused by storm rainfall and high tide due to its low-lying topography along the coastal area. The Jatibarang Dam purpose is to develop a new source of water for Semarang City and to control the flood discharge of West Floodway as the biggest river in Semarang. Also, it has been recognized that the combination of the Jatibarang Dam and the rivers improvement is the most feasible flood control measure. The flood control scheme will be established to protect Semarang City from the 50-year return period flood and the water resources development scheme is planned to assure the water to the 10-year draught. The design flooding will be controlled by the Jatibarang Dam. About 270 m3/s of 50-year return period flood at Jatibarang dam will be controlled by the dam and the discharge from dam will be reduced to 100 m3/s. The Engineering important components of the Dam are diversion tunnel, dam structure, spillway and conduit of power works.Each component will be elaborated in this article.
Charateristics of Settlement at Balikpapan Coastal Road Area (Case Study: Damai Regency) Muhammad Hafid; Angga Danu Wibowo; Mila Karmilah; Wahyu Utami
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

Residential character influenced by its location. The settlements are located on thebeach would have been different with the existing settlements in the mountain valley, at the foot of the mountain or settlements in cities including settlements on the edge of the river. In addition to the formation of the land, the character of settlements is also influenced by the character of its inhabitants are much too influenced by the type of their livelihood. This paper describes the pattern of space that has occurred in the seaside settlement coastal road in District of Balikpapan City and district of South Balikpapan. The collecting data using descriptive qualitative method approach. This approach is at least able to describe the condition of settlement patterns that have occurred in the seaside coastal road including occupancy character from thestandpoint of livelihood of the population. Based on studies it is known that there are settlements along the shore coastal road that people whose live very heterogeneous, so the model that arrangement adapted to the understanding and ability of the community. Some proposals are doing structuring infrastructure existing environment, then in some areas is illegal land will be cultivated with the fulfillment of the towers (Rumah Susun) for low income. The characteristic of the settlement Damai Regency is likely most of many settlement in coastal area, that have a poor access for sanitation, the houses most build by wood and some of them rarely inundated by tidal flood.
Analysis Of Slope Stability Using Bamboo As An Alternative Slope Reinforcement (Case Study In Kaliwungu – Boja Street, Darupono Village, Kendal District) Mohammad Abdul Wahhab; Mokhamad Rizki Ramadhan
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

Bamboo is a plant that can be found in Indonesia, however the utilization of bamboo as a structure material is rarely to use in our society. This study was conducted with the objective to analyze the performance of bamboo with respect to soil stability. Bamboo was used as an alternative soil reinforcement to landslide in Kaliwungu – Boja street, Darupono village, Kendal District. Two kinds of bamboos analyzed here were Betung and Tali bamboos having diameter 20 centimeters and 15 centimeters respectively. The index and engineering properties of a soil from Boja street were tested. To analyze the safety factor of the slope of Boja street, Plaxis v.8 and Slope/W were used. The result showed that 1) from soil test the cohesion (c) is 50,995 kN/m2, phi (φ) is 36o, γsat is 16,374 kN/m3, and γunsat is 12,534 kN/m3. 2) the safety factor of the slope in natural condition using Plaxis v.8 and Geostudio (slope/w) is 1,32 and the safety factor with traffic loads is 1,26 – 1,29, with these safety factor, the slope will slide because the safety factor is <1,5. Therefor, the slope strengthened with bamboo, so the safety factor of the slope increased to 1,77 - 1,87. Keywords: Betung Bamboo, Tali Bamboo, Slope, soil reinforcement, Plaxis, Geostudio
Cost Of Study Reinforced Concrete Structures, Structural Steel And Steel Combination Structure - Concrete (Depo Archives Building Case Study District Jepara) Decky Rochmanto
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

Office buildings in its development always use a reinforced concrete structure. Very few and rarely encountered office buildings using steel structures, whereas steel structures are very easy and fast to use with very simple tool installation tools, so it saves procurement costs and time. For that reason it is necessary to review the material used in the determination of the cheap cost in a design of the building structure, in this study take case study of Depo Archive Building of Jepara Regency with level three (3) floor, the part of structure that is reviewed is column, platform. This study uses design design method and unit price analysis method based on Indonesian National Standard (SNI). The design results calculated with SAP 2000 if it is stated strong, then proceed into the calculation of costs. The results of these cost calculations are compared with six combinations of structures using different materials ie Type I (concrete columns, concrete blocks and concrete plates), Type II (concrete columns, concrete blocks and plates using bonded), Type III (concrete columns, steel and concrete plate), Type IV (concrete columns, steel beams and plate using bonded), Type V (steel columns, steel beams and concrete plates), Type VI (steel columns, steel beams and plate using bonded), where the cost the cheapest is on the Type IV structure at a cost of Rp. 851,922,778.91 and the most expensive cost on Type V structures at a cost of Rp. 1,724,793,719.48. Keywords: material, cost, structure concrete, structure steel, plate floor.
Design Of Pavement Using Buton Natural Rock Asphalt Stabilized Subgrade Soil Lely Rizkiyawati; Wilujeng Ashri Nastiti; Gatot Rusbintardjo; Prabowo Setiyawan
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

The performance of pavements is governed by the strength of the subgrade, because subgrade is roadbed soil where the pavement structure is laid. If bearing capacity of the subgrade high, deformation of pavement will not occur and it is not easy to deteriorate. In the contrary, if bearing capacity of the subgrade low, pavement deformation will occur and pavement will deteriorate. This research have objectives to analysis the pavement structure of using existing subgrade soil and using subgrade stabilized with Buton Natural Rock Asphalt (BNRA).  The road connecting Semarang - Purwodadi where always in worst condition was used for study in this research. Semarang – Purwodadi road is laid over montmorillonite expansive clay with lower bearing capacity or have low CBR value only 1 to 2 %. To analysis the pavement structure, both flexible and rigid pavement, AASHTO 1993 pavement design are used. The result show that flexible pavement structure laid over stabilized soil have thinner pavement structure compare to the one laid over the subgrade of original expansive clay soil. Similarly for rigid pavement, the thick of concrete slab over the subgrade of expansive clay is 30 cm, and if laid over the subgrade of stabilized expansive clay with Buton Natural Rock Asphalt (BNRA) is only 25cm. It can be concluded that Buton Natural Rock Asphalt (BNRA), have significant influence to the strength and bearing capacity of expansive clay soil.  Keywords: asbuton, stabilized subgrade, expansive clay soil, AASHTO

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