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INDONESIA
Eco Rekayasa
Published by Universitas Muhammadiyah Surakarta
ISSN : 19074026     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Eco Rekayasa: Jurnal Teknik Sipil fokus di bidang Teknik Sipil dan Lingkungan, antara lain: Struktur, Hidro, Transportasi, Geoteknik, Manajemen Konstruksi, dan Lingkungan.
Arjuna Subject : -
Articles 33 Documents
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Search results for , issue "Vol. 11. No.1, Maret 2015" : 33 Documents clear
ANALISIS PONDASI BORED PILE DENGAN PRINSIP PROBABILITAS (STUDY KASUS PROYEK HOTEL QUEST SOLO) Agus Susanto; Anto Budi Listyawan; Dewi Puspitasari
Eco Rekayasa: Jurnal Teknik Sipil Vol. 11. No.1, Maret 2015
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Probabilistic design began more realistic solution compare to the deterministic (conventional) design as it can describe and accommodate of soil variability.  Althought the old approach is widely used, it is confirmed, that almost all natural soils are spatially variable in their properties and rarely homogenous.  This paper focuses on the analysis and design of bored pile foundation on the project of  Solo Quest Hotel based on the probabilistic theory.  The research begins with a certain pre-liminary analysis to prepare the probabilistic analysis of bored pile foundatiaon design, by characterizing the cohesion (cu) from convertion of N value on three SPTs data taken from the site.  It involves an extensive analysis to perform the best-fit distribution of pointwise variability of cohesion (cu) using computer program written in MATLAB.  The next step is deriving the point statistics (i.e. mean, standard deviation, and coefficient of variation) across the site.  Finally, a certain monte carlo analysis using Crystal Ball computer program is carried out to design the bored pile foundation by inputing all data taken from MATLAB analysis.  The bored pile installed in 12 m depth and the diameters of bored pile 0,6 m respectively.  The  bored pile experiences 43.354,455 kN vertical load.  The results show that there is no objection to hypothesis of normality in the Chi-Square analysis.  Compare to the deterministic analysis, the probabilistic design needs more bored pile to resist the vertical load in a safety factor 2,5 and confident limit 95%.  Furtheremore, the higher variation of  cu data the larger number of bored pile is desired.
REHABILITASI SALURAN TARUM BARAT TERKAIT TATA RUANG WILAYAH JABODETABEK Made Sumiarsih; Djoko Legono; Robert Kodoatie
Eco Rekayasa: Jurnal Teknik Sipil Vol. 11. No.1, Maret 2015
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

West Tarum Canal (WTC) is a canal to convey water for irrigation to the surroundings area  and for distributing raw water to Jakarta area. The total length of WTC is 69.8 miles, starting from the Curug weir to the Ciliwung River. WTC has been operated for 40 years. Recently, there has been a decline in function of this canal up to 70%. For that reason, this canal is required rehabilitation to restore it function. This paper highlights the planning and implementation of the rehabilitation work related to spatial planning of Jabodetabekpunjur.
PEMAHAMAN SISWA SMA TENTANG ARTI MARKA JALAN DAN PERATURAN LALU LINTAS Achmad Hercahyo Jatiputro; Ika Setiyaningsih; Gotot Slamet Mulyono
Eco Rekayasa: Jurnal Teknik Sipil Vol. 11. No.1, Maret 2015
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The rapid development of Surakarta closely impact on people mobility and transportation in the city. It can be seen from traffic volume increasing on some major roads in Surakarta. At peak hour, traffic in Surakarta is dominated by motorcycle. According to Police Traffic Unit of Surakarta data, the highest ranked accident by the type of mode of transportation is a mo-torcycle and the highest accident victims in the productive age which is 16-30 years. By education level, the highest number of traffic violations conducted by the level of high school education. Based on this condition it is necessary to do research on the characteristics of high school students who use motorcycles. The focus of this research is to determine high school student understanding of the road markings meaning and traffic regulations. This study uses a questionnaire tools that have previously been tested for validity and reliability. Research sample is high school student of Batik 2 Surakarta with a total sample of 140 respondents.The results showed that the level understanding to road markings obtained 78 respondents are very understand, 51 respondents including category of understand and as many as 11 respondents do not understand. The results showed that the level understanding to road markings obtained 78 respondents are very understand, 51 respondents including category of understand and as many as 11 respondents do not understand. While the results of the discussion on the understanding of traffic regulations showed the respondents' level of understanding with the three classifications which is very understand there were 121 respondents, 19 respondents are understand classification and classification do not understand as much as 0 respondents.

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