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INDONESIA
Jurnal Teknik Sipil
Published by Universitas Kristen Petra Surabaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 9 Documents
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Search results for , issue "Vol 2, No 2 (2013): Jurnal Teknik Sipil" : 9 Documents clear
DESAIN CAMPURAN SEMEN DAN AIR PADA PEKERJAAN GROUTING Udiana, I Made
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
Publisher : Jurnal Teknik Sipil

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Abstract

Injeksi semen bertekanan/sementasi (grouting) adalah suatu proses, di mana suatu cairan diinjeksikan/disuntikan dengan tekanan sesuai uji tekanan air (water pressure test) ke dalam rongga, rekah dan retakan batuan/tanah, yang mana cairan tersebut dalam waktu tertentu akan menjadi padat secara fisika maupun kimiawi. Tujuan dari penelitian ini, adalah untuk mendapatkan desain perbandingan campuran semen dan air serta volume cairan injeksi (grout) yang diperlukan dalam pekerjaan grouting berdasarkan besarnya angka lugeon (Lv). Berdasarkan hasil perhitungan pada lubang grouting P.1 stage pertama didapat Lv = 31,534 lt/menit/m?(lugeon), pada P.2 stage kedua didapat Lv = 31,822 lt/menit/m?, pada S.1 stage pertama didapat Lv = 31,373 lt/menit/m?, pada S.2 stage kedua didapat Lv = 31,525 lt/menit/m?, pada T.1 stage pertama didapat Lv = 53,644 lt/menit/m?dan pada T.2 stage kedua didapat Lv = 51,955 lt/menit/m?. Berdasarkan hasil perhitungan didapat besarnya angka lugeon (Lv) rata-rata untuk semua stage > 15 lt/menit/m?(lugeon), maka dapat disimpulkan bahwa desain perbandingan campuran semen dan air untuk grouting adalah 1 : 6. Dari angka lugeon > 15 lugeon dipakai perbandingan campuran semen dan air 1 : 6, maka berat jenis campuran 1 : 6 didapat sebesar 19,90 t/m3 dengan memakai campuran dalam volume mixer sebesar 200 liter, maka didapat berat semen sebesar 31,66 kg. Jadi volume cairan injeksi (grout) yang diperlukan dengan komposisi volume semen sebesar 10,05 liter dan volume air sebesar 189,95 liter.
PREPARATORY MODULE FOR THE OBJECT-ORIENTED MODELING OF URBAN TERRAIN HYDROLOGICAL RESPONSE Pah, Jusuf J. S.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

This research aimed at preparing an object-oriented module to use in conjunction with an object-oriented urban terrain hydrological response model. The module serves to capture terrain data and prepare them and make them fit as input to the core part of the urban terrain model. This research had constructed the module. It engages five classes of object, which give it capability to faithfully capturing terrain hydrological features and other relevant data, and arrange them in such a way as to serve as fit input to the core part of the urban terrain model. The module represents an urban terrain by meshing it unto a network of rectangle object elements. In order to overcome edge problems associated with the meshing, utilizing smaller size of elements (hence higher number of elements) and weighted average in terms of ?within a cell contained terrain-sheds areas? were advised. It also strongly encouraged the invention of a more automate ways of terrain data capturing, to replace the manual data entry procedure still utilized in this module.
PENGGUNAAN BATU APUNG DARI KABUPATEN LEMBATA Hunggurami, Elia; Touselak, Yosafat Sepriyanto; Kumalawati, A.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

The district is an area with the greatest potential pumice in East Nusa Tenggara. Pumice limited usage and the potential availability of the shows that pumice has not been used optimally. Seeing its potential, then another attempt to capitalize on this pumice is used as an alternative to coarse aggregate in normal concrete mix. This will affect the quality of the concrete, so this study aims to determine the compressive strength and split tensile strength of concrete when coarse aggregate in concrete partially substituted by using a pumice stone. Specimens used were as many as 60 concrete cylindrical specimens with 30 MPa compressive strength plan. Pumice stone is used on concrete with substitution of the broken stone. Substitution percentage was 15%, 25%, and 50%. Concrete testing is given 3 different treatment that uses natural pumice stone, pumice stone after the coating as well as the addition of chemicals given in the form of sikafume and sikament Ln. Based on test results, the concrete with substitution levels of 15%, 25%, and 50% lower compressive strength, whereas when given some treatment increases the compressive strength.
Analisis Hubungan Tebal Hujan dan Durasi Hujan Pada Stasiun Klimatologi Lasiana Kota Kupang Bunganaen, Wilhelmus; Krisnayanti, Denik S.; Klau, Yacobus A.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

Rusaknya alat ukur curah hujan dapat mengakibatkan kehilangan data tebal hujan dalam beberapa waktu. Penelitian ini dilakukan untuk mencari model persamaan hubungan antara tebal hujan dan durasi hujan pada Stasiun Klimatologi Lasiana Kota Kupang. Data yang digunakan dalam penelitian ini adalah data curah hujan otomatis (jam-jaman) yang diperoleh dari alat ukur curah hujan otomatis tipe Hellman dari tahun 2000 – 2011 (11 tahun pengamatan). Teknik analisa data dalam penelitian metode analisis regresi linear sederhana, dan selanjutnya diuji dengan analisis chi-kuadrat. Hasil penelitian diperoleh model persamaan hubungan antara tebal hujan dan durasi hujan yaitu H = 11.03 t0.34, dimana ‘H’ merupakan tebal hujan yang dinyatakan dalam millimeter (mm) dan ‘t’ merupakan durasi hujan yang dinyatakan dalam menit. Model persamaan ini telah diuji menggunakan uji chi-kuadrat yang hasilnya menunjukan bahwa terdapat hubungan yang signifikan antara tebal hujan dan durasi hujan, oleh sebab itu persamaan ini dapat dipakai dalam menentukan tebal hujan pada Stasiun Klimatologi Lasiana Kota Kupang.
PENGENDALIAN WAKTU DAN BIAYA PEKERJAAN KONSTRUKSI SEBAGAI DAMPAK DARI PERUBAHAN DESAIN Messah, Yunita Afliana; Lona, Lazry Hellen Paula; Sina, Dantje A. T.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

The purpose of this study is to describe the effect of changing control of the design that have an impact on the time and cost of construction work that affects the performance of construction work Embung Irrigation Oenaem. This study used two methods of controlling the Earned Value Analysis (EVA) and integrated method of shortening the duration of the critical path (Crashing Length) at Critical Path Method (CPM) using the application as an alternative to controlling overtime. To use of the two methods mentioned above it can be seen and obtained alternative pengedalian time and construction costs as a result of design changes that occurred in the Irrigation Development Project Embung Oenaem. Based on the analysis that had been done when a deviation occurs at 7 weeks, the total work period to 37 weeks from 30 weeks the amount of time a plan with estimated cost is Rp. 9,489,206,129.03. Then controlled using the method of shortening the duration (Crashing Length) with future application of the overtime work to 35 weeks (5 weeks delay) with the amount of the cost of Rp. 9.458.239.978,70 (excluding VAT) of the total contract value of Rp. Rp. 8.563.635.912,98 (excluding VAT 10%).
ANALISIS PENGARUH PENGGUNAAN ABU BATU APUNG SEBAGAI PENGGANTI FILLER UNTUK CAMPURAN ASPAL Kumalawati, A.; Sir, Tri M. W.; Mastaram, Yovinianus
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

East Nusa Tenggara province is a region abundant with pumice content. Pumice is a frothy lava composed of compacted glass pyroclastic with very mikrovesikular wall extrusive igneous volcanoes bubbling, very thin and translucent and that is a common product of volcanic eruption and the general shape of the zones of the upper silicate lava They uses of pumice, among others: metal , raw material, lightweight brick, paint, plaster material, ceramics, sand paper raw materials and much more, pumice stone contain silica so that it can be used as a subtitude filler in asphalt mixture. This research was conducted to determine the effect of using pumice stone ash as a substitute filler in asphalt mixture. It will be seen from the value of stability and flow by using Marshall. There are several steps in Marshall’s method need to be done include: testing gravity, aggregate gradation planning, aggregate composition plane, aggregate bulk density calculation, the maximum mixture specific test and the calculations of the parameter values in Marshall’s method. The results of these research are finding higher levels of filler in asphalt mixture, the higher value of the stability while the value of flow decreases with increasing value of filler content in the asphalt mixture. Based on test results, the value of the variation of filler that meets spesifications Marshall’s is 1% and 2%, as only two variations of these filler levels that meet all of parameter value Marshall.
TINJAUAN KUAT LENTUR BALOK KOMPOSIT KAYU Alves, Paulito M. D.; Sina, Dantje A. T.; Cornelis, Remigildus
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

This research was use wood beam, reinforced concrete plate and nail as shear connector. Nail that used is artless nail and thread nail that public reside in marketing. the purpose of this research is to know bending strength of a composite beam of wood-concrete with shear connector artless nail and shear connector thread nail. The research was conducted at the Laboratory of Concrete Civil Engineering Department University of Nusa Cendana Kupang - NTT and Laboratory of Mechanical Engineering State Polytechnic of Kupang - NTT. From the results of research and analysis of the data obtained the maximum tension of composite beam with shear connector artless nail : maximum load as big as 40000 N; bending moments as big as 5.01 x106 Nmm; tension depresses as big as 29,327 N/mm2; contact surface-tension as big as 3,545 N/mm2; bending stress as big as 16,381 N/mm2; the shear stress as big as 6,325 N/mm2. Whereas the average test results of composite beams with shear connector thread nail is obtained by maximum load as big as 51667 N; bending moment as big as 6.47 x 106 Nmm ; tension depresses as big as 38,400 N/mm2; contact surface-tension as big as 4,624 N/mm2; bending stress as big as 21,205 N/mm2; the shear stress as big as 8,036 N/mm2.
ANALISIS DAERAH RAWAN KECELAKAAN LALU LINTAS Bolla, Margareth Evelyn; Messah, Yunita A.; Bunga Koreh, Michal M.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

The Timor Raya street that connects Kupang City to the district of Kupang has a high risk level of traffic accidents. The aims of this study are to find out the accidents rate and to spot the black sites on Timor Raya road at KM 02 – KM 11 of Kupang City, Nusa Tenggara Timur Province. The data of the traffic accidents in 2009 to 2011 were taken from Bhayangkara Hospital of Kupang City. To calculate the accident rates, the Equivalent Accident Number (EAN) method was applied, and to determine the black sites, the BKA (Batas Kontrol Atas) method and the Upper Control Limit (UCL) method were used. The results of the analysis showed that the KM 07 (EAN = 288) and KM 08 (EAN = 249) were identified as black sites because their accident rates EAN were higher than the limit control of BKA and UCL, where on the KM 07 BKA=142, UCL=141 and KM 08 BKA=142, UCL=139.
KAJIAN PENYEBAB KETERLAMBATAN PELAKSANAAN PROYEK KONSTUKSI GEDUNG DI KOTA KUPANG Messah, Yunita Afliana; Widodo, Theodorus; Adoe, Marisya L.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

Construction projects are the activities which executed within limited schedule, limited resources to achieve the physical of buildings and other infrastructures. Construction projects entangle contractors, designers consultants , supervisor consultants which each other tied together in work agreements so called contacts . The success of a construction project depends on the fulfilling of the schedule, cost and quality prescribed on the contracts. During the project execution, it is frequently happen that the project takes more time to finished because of parts involved. Therefore, this research is done as a mean to know the factors that cause the delay of construction projects according to contractors, owners, and supervisor consultants. The research is done by propagating questionnaires to contractors, owners, and supervisor consultants. The result obtained should be analysed using mean and variant analysis. The result are: for the contractors, the main factors of delaying is the lock of man power while for the owners and the supervisor consultants, it is the materials supply factors.

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