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INDONESIA
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR
Published by Universitas Tadulako
ISSN : 20886004     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 82 Documents
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PERENCANAAN ALTERNATIF PONDASI KONSTRUKSI SARANG LABA-LABA PADA PALU GRAND MALL Magfira, Dwi; B., Arifin; Rahayu, Astri
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 4, No 1 (2014)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Palu Grand Mall located at Diponegoro street, West Palu districts, PERENCANAAN ALTERNATIF PONDASI KCentral Sulawesi using foundation Konstruksi Sarang Laba-Laba( KSLL ). TheKonstruksi Sarang Laba-Laba is a combination of continuous flat concrete slab foundation system with a soil improvement system. This system is specifically utilizes the ground as part of the foundation structure. The purpose of thisresearchare to redesign KSLL foundation that is qualified for qgross ≤ qijin.Parameters that used are sondir test results, borlog, as well as laboratory testing such as bulk density and coefficient of consolidation (Cv). The analysis begins with the soil classification, load analysis using SAP. Then calculate the bearing capacity of the foundation, the maximum soil stress,  potential settlement, equivalent thickness, KSLLreinforcement dimensions, and RAB in Palu Grand Mall.Based onCPT test results on the location it was obtained that the soil classification is clay for soil at the depth of 0-12 m, clayey silt for soil at the depth 12-15 m and gravelly sand at a depth of 15-20 m. The results obtained from SAP is 356.80 ton for the maximum load. For one segment with a size of 8 mx 8 m the foundation bearing capacity was 335.54 ton/ m². Calculation of the area of load distribution which is reviewed each segment was 11.599m² for construction rib and 11.034 m² for ribsettlement. Control of qgros and qall are met, which a rib construction is qgros 30.762 t/m² <qall335.545 t/m² and rib settlement qgros 32.337 t/m² <qall335.545 t/m². From the calculation it was obtained thatthe maximum soil stress are 3,613 t/m², the potential settlement 4,256 cm for a period of 12 years. Equivalent thickness of rib construction is 125 cm and 170 cm for rib settlement. The reinforcement in the rib construction and rib settlement are using the size of Ø10-15 cm (As = 471 mm²) on the condition ρmin< ρ < ρmax. The budget plan calculation results showed that for earthwork the budget is Rp. 13,948,320 and Rp. 130.620.019,77 for KSLL foundation work per segment Keywords: bearing capacity, settlement, foundations, konstruksi sarang laba-laba
MANAJEMEN PENGGUNAAN MATERIAL PADA PEKERJAAN TANGGUL SUNGAI PONDO-POBOYA Labombang, Mastura; Qamaria, Sitti
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 2, No 2 (2012)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Dalam pembangunan sebuah proyek konstruksi, penggunaan material merupakan bagian yang sangat penting pada pelaksanaannya, karena menunjang kelancaran seluruh aktifitas pelaksanaan pekerjaan. Apabila penggunaan material tidak dapat memenuhi kebutuhan proyek konstruksi, maka berpengaruh pada jadwal penyelesaian pekerjaan serta akan terjadi pembengkakan biaya total proyek. Untuk itu tujuan dalam penelitian ini yaitu untuk mengetahui manajemen dan alokasi  penggunaan material pada tanggul Sungai Pondo–Poboya.Proses pengumpulan data yang dilakukan yaitu data primer melalui survey langsung di lapangan dan wawancara meliputi manajemen penggunaan material, terhadap tahap pelaksanaan pekerjaan pembangunan pada setiap item pekerjaan. Data sekunder diperoleh kontraktor pelaksana   mengenai spesifikasi teknis pekerjaan, jadwal pekerjaan, daftar kuantitas dan harga, analisa harga satuan serta gambar detail pekerjaan. Hasil penelitian menunjukkan bahwa manajemen dan alokasi total penggunaan material pada Sungai Pondo–Poboya  sesuai dengan kebutuhan persegmen pekerjaan Kemudian kontraktor melakukan stok material pada awal maret dan selanjutnya distok sesuai  dengan kebutuhan persegmen selama bulan berjalan
EVALUASI DAN PERBAIKAN STRUKTUR GEDUNG DPRD MOROWALI BERDASARKAN PETA GEMPA 2010 Sulendra, Ketut
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 3, No 1 (2013)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Gedung yang telah mengalami kerusakan pasca gempa perlu segera dievaluasi untuk mengetahui penyebab kerusakan, elemen-elemen struktur yang mengalami kegagalan dan metode perbaikan atau perkuatan struktur. Untuk mengetahui hal tersebut, maka dilakukan penelitian dengan mengevaluasi struktur gedung tersebut dengan menerapkan beban gempa  sesuai peta gempa tahun 2010. Metode evaluasi yang dilakukan merujuk pada metode evaluasi struktur Takim Andriano dkk. Secara garis besar langkah-langkah metode yang dilakukan antra lain uji tes material eksisting (fc’ dan fy) , analisis kapasitas elemen struktur, analisis kembali struktur dengan Peta gempa tahun 2010 dan menentukan metode perkuatan untuk dilakukan. Hasil dari analisis tersebut memperlihatkan banyaknya elemen struktur yang mengalami kegagalan, khususnya kegagalan geser. Maka tindakan yang dapat dilakukan untuk menstabilkan struktur tersebut yakni dengan melakukan perkuatan elemen struktur yang mengalami kegagalan. Adapun metode-metode perkuatan struktur seperti penyelubungan (jacketing) dengan bahan (baja, baja spiral, beton atau komposit), penambahan tulangan luar dengan bahan steel strap/plate, tulangan sengkang, Penulangan luar berupa plat baja, Injeksi epoksi, dan metode perkuatan dengan menggunakan Fiber Reinforced Polymer.Kata Kunci : evaluasi struktur, Peta Gempa 2010, metode perbaikan struktur
KETERSEDIAAN DAN KEBUTUHAN TENAGA KONSTRUKSI JALAN DI PROVINSI SULAWESI TENGAH Nirmalawati, Nirmalawati; Labombang, Mastura; Asnudin, Andi
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 3, No 1 (2013)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Meningkatnya pembangunan konstruksi di Provinsi Sulawesi Tengah, tentunya diperlukan  tenaga konstruksi yang profesional. Tetapi pada kenyataan jumlah tenaga konstruksi khususnya tenaga konstruksi   yang bersertifikat, sekitar 11,75% dari jumlah tenaga konstruksi,yaitu  4311 orang memiliki sertifikat keterampilan dan 983 orang memiliki sertifikat keahlian. Fakta menunjukkan  bahwa masih banyaknya perusahaan penyedia jasa konstruksi jalan yang belum memiliki tenaga kerja bersertifikat keahlian maupun keterampilan. Tujuan penelitian ini adalah, (a) untuk  mengetahui dan mempelajari bagaimana kondisi kapasitas dan kebutuhan tenaga konstruksi secara keseluruhan di Provinsi Sulawesi Tengah; (b)  untuk melakukan pemetaanketersediaan dan kebutuhan tenaga konstruksi di Provinsi Sulawesi tengah. Penelitian ini merupakan penelitian deskriptif, metode survey,  wawancara dan  dilengkapi juga dengan pengisian kuesioner. Populasi penelitian adalah semua perusahaan kontraktor, konsultan perencana dan konsultan pengawas yang bergerak di bidang pekerjaan  konstruksi jalan di Provinsi Sulawesi Tengah, pengguna jasa, serta institusi penyedia tenaga kerja konstruksiSedangkan data sekunder diperoleh dari data proyek jalan  yang ada di wilayah Provinsi Sulawesi Tengah. Hasil penelitian menyatakan:  (1) masih belum adanya  kesesuaian antara  ketersediaan dan kebutuhan tenaga konstruksi  yang mendukung penyelenggaraan  pekerjaan  konstruksi  di Provinsi Sulawesi Tengah dan juga masih adanya sebagian tenaga ahli jalan yang kurang kompetensi serta profesional dalam pekerjaannya; (2) ketersediaan tenaga ahli konstruksi jalan menunjukkan hanya ada 24,6 % ( 318 orang)  dibandingkan dengan kebutuhan (1292 orang) yang ada di provinsi Sulawesi Tengah pada tahun 2012. Sedangkan dilihat dari kelulusan dijurusan  keteknikan rata-rata pertahun dapat mengeluarkan lulusan sekitar 25,3 %  (246 orang) dibandingkan dari  kebutuhan (974  orang), dengan asumsi semua lulusan bekerja sesuai bidangnya. Kata Kunci : ketersediaan, kebutuhan, Tenaga Ahli, konstruksi jalan
ANALISIS SIFAT FISIK MATERIAL PERKERASAN JALAN HASIL DAUR ULANG Setiawan, Hendra; Pradani, Novita
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 3, No 2 (2013)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Pavement recycling is one of resources conservation and preservation methods. Using of Reclaimed Asphalt Pavement (RAP) can give contribution to pavement quality because its quality reduction possibility due to over load of vehicle in lifetime service. For that reason, RAP physical properties research would be taken. This research using aggregat and bitumen which is come from RAP extraction. Aggregat testing such as Impact Value (AIV) test, Aggregat Pressure Value (APV) test and Spesific gravity test. Bitumen testing are penetration test, softening point test and  Spesific gravity test. According to the research result, was found that RAP aggregat can be used as a pavement material. The fact can be figure out from AIV value is about 6,6% and ACV value is 20,4%. Otherwise RAP aggregat gradation is not fulfill the specification, so that gradation modified must be taken. RAP bitumen testing showing that penetration value is 21,6 dmm and softening point value is 57°C. It means that adding modifier or rejuvenating agent is necessary to do to increase quality of RAP bitumen   Keywords: RAP aggregate, RAP bitumen, recycling
PENGARUH LUBANG DAN EKSENTRISITAS TERHADAP KUAT TEKAN BETON Agustiar, Agustiar
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 4, No 2 (2014)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

The use of hollow concrete in buildings is allowed. It is accordingly to SNI 03-2847-2002, which mentioned that pipeline with its holes that are embedded in column should not occupy more than 4% of cross-section area of the column. The use of holes in the column is used for plumbing or electrical installations. Reduction of cross-sectional area of concrete causes the concrete strength to bear axial load will also be reduced. Besides that, in the installation of pipes in a column, they could be in inclined position, which could result in an eccentricity to the gravity centre of column.  Based on the problem, this research aims to find out the effect of eccentricity on the concrete column with hole to its strength in supporting axial load.  There were 56 cylindrical specimens with 15 cm of diameter and 30 cm of high used in this research. The results showed that the hole in concrete resulted in reducing of the compressive strength of concrete. The reducing in strength is expected to be due to reducing in cross-section area of concrete. The use of holes up to 3.8% of the concrete cross-section area results in reducing the strength of concrete up to 16.86% (BN2) of the strength of concrete without holes. The reduction in strength due to the holes eccentricity of 2 and 3 cm to the eccentricity of concrete, were 24.64 and 25.36% respectively to the concrete strength without hole. Then the strength of concrete at 3.8% aperture area still meets the requirements. Based on that also why the hole bounded by SNI 03-2847-2002, pasal 8.3 (4) can still be used by 4%. Keywords: concrete, eccentricity, hole, compressive strength.
DESAIN FONDASI TELAPAK DENGAN MENGGUNAKAN BETON STYROFOAM RINGAN PADA TANAH LEMPUNG BERPASIR Irdhiani, Irdhiani; Ramadhani, Sriyati
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 4, No 2 (2014)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Recently, the price of construction material has gone up especially price of cement as the primary material for foundation construction. In the area which is consist of soft soil with higher water level, a higher foundation section area such as plate foundation or pile foundation is needed. It will be costly when pile foundation or plate foundation utilized in lightweight building. Therefore, lightweight concrete foundation might be useful as an alternative to reduce cement volume in concrete material which will reduce the cost of foundation construction. The research aims to determine the optimum percentage of lightweight Styrofoam concrete in plate foundation against bearing capacity, settlement, and uplift force in sandy clay.  Foundation were made of concrete mixed with Styrofoam with contents varied as 0%, 20%, 40%, 60% 80%  and 100%, then its pressure strength and volume weight at 28 days cure were tested. From physical properties tests such as sieve analysis and Atterberg limit test, the soil classified as CL or anorganic clay with low to medium plasticity, sandy clay with A(activity) of 0.87 which means it has illite clay mineral content in the soil with activity (A) medium.  Direct shear test shows that the soil have a friction angle (f) 24,25° and cohesion (c) 0,0197 kg/cm.  Concrete unit weight containing no Styrofoam is 2,222 gr/cm3. Average concrete unit weight will be reduced as 0,2726 gr/cm or 12% for each addition of 20% of Styrofoam. The percentage of concrete pressure strength reduction by addition of Styrofoam of 10%, 20%, 30%, and 40% compare to concrete pressure strength with no Styrofoam added are 24,470%, 44,453 %, 58,601 %, and 69,145 % respectively Reduction of  concrete pressure strength are due to Styrofoam particles that may act as air void, in which concrete with air void has lower pressure strength compare to concrete without air void. Kata Kunci : Plate Foundations, Lightweight Styrofoam Concrete, Sandy Clay
STUDI KARAKTERISTIK CAMPURAN PERKERASAN LAPIS TIPIS ASPAL BETON (HRS-WC) DENGAN MENGGUNAKAN MATERIAL DARI SUNGAI BAHOMANTE DAN MATERIAL SUNGAI LASAMPI Rahman, Rahmatang; Mashuri, Mashuri
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 7, No 2 (2017)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Asphalt concrete pavement mix should use material that meets specifications. Road construction in Morowali Regency uses material from Stone Crushero of Bahomante River and Lasampi River from Morowali. The purpose of this research is to understand the characteristic of HRS pavement mixture using Stone Crusher material of Bahomante River and River Lasampi. Determination of aggregate composition on HRS mixture was using sieve method. The gradation used in this study is the ideal gradation. The determination of optimum asphalt content (PKAO) was made using 6 variations of asphalt contents that are 6.0%, 6.5%, 7.0%, 7.5%, 8.0% and 8.5%. Characteristic  testing using Marshall tools. The results of this study shows that the HRS mixture using the Stone Crusher material of the Bahomante River has hight density and stability compared to the mixture of HRS which uses a mixture of Stone Crusher material of Bahomante River and Lasampi River. The study also found that the KAO blend of HRS using Stone Crusher material Bahomante tends to be similar to that of a mixed HRS KAO that uses a combination of Stone Crusher material of Bahomante River and Lasampi River.
Model Numerik Pengaruh Koefisien Kekasaran Manning Terhadap Kenaikan Muka Air di Teluk Palu Prawirabhakti, Alamsyah; Andiese, Vera Wim
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Manning roughness coefficient (n) is one of the parameters affecting the drainage conditions, such as speed and water level. These coefficients, in its natural state vary based on the size, shape and type of material. This study aims to look at the influence of changes in flow conditions due to the use of the Manning coefficient varied by using numerical models RMA2. This module is one of the open channel flow modeling module contained in software Surfacewater Modeling System8.1. Performed numerical models in SMS8.1, the bathymetry of the river and bay as the input geometry, the average discharge as upstream inputs and yearly tidal average as well as simulating the input down stream flow with variation value of n. Based on the simulation results of SMS8.1, changes in water level gradually decrease from the basin to the estuary and ocean regions. Variation of the value of n to the water level did not change significantly due to any increase in the value of n 0.0050.00002 to 0.00006 m water level in the estuary. Flow velocity in the river is relatively large and gradually tapers to the estuaries and the sea. Variation of the value of n tends to flow velocity did not change significantly due to any increase inflow velocity of 0.005 n value changed from 0.0002 to 0.0008m /s at the estuary.
PROGRAM APLIKASI ANALISA STRUKTUR BALOK MENERUS DENGAN BAHASA VISUAL BASIC Structural Analysis Application Program for Continuous Beams with Visual Basic Language Rivani, Agus
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 1, No 1 (2011)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Penyesuaian kurikulum dengan perkembangan Ilmu Pengetahuan dan teknologi telah memacu upaya perbaikansistem pembelajaran yang ada saat ini. Salah satu upaya untuk mencapai target khusus dalam perbaikan sistempembelajaran analisa struktur adalah melalui pembuatan program aplikasinya (ANSTRUK). Program aplikasi inimemiliki keutamaan dalam proses belajar-mengajar, sehingga para siswa lebih mudah melakukan analisis struktur.Selain itu, program aplikasi ini dapat dimanfaatkan oleh para praktisi yang berkecimpung dalam perencanaan strukturagar dapat menunjang pembangunan infrastruktur sipil

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