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Kota palu,
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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 7 Documents
 1 
Search results for , issue "Vol 5, No 1 (2015)" : 7 Documents clear
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.
Persamaan Empiris Sifat Mekanika Bambu Wulung Oka, Gusti Made
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

The development of the use of bamboo increased as non-wood material. The bamboo Gigantchloaatroviolacea is the most popular bamboo used as a construction material in some region of Indonesia.  Some  bamboo weakness are bamboo is a non-homogen material, it has non prismatic sectional form, the stems straigthness is not the same, node on the stems  and a hollow inner cross section. Effects of node, internode and the stem position on  mechanical properties of bamboo were evaluated.  In this article, the mechanical properties of Gigantochloaatroviolacea bamboo was studied (shear strength, compression and tensile and elastic modulus). In this study, the  mechanical properties of bamboo, located at different height were investigated with ISO 22157 and ASTM. The mechanical properties of bamboo at node, internode and height position were tested  in air dry condition. Base on the test results of all properties strength were increased from bottom to top. An empirical equations ware determined base on spesific gravity parameter. Base on its spesific gravity the mechanical properties of bamboocan be determined.
Dampak Lalu Lintas Akibat Aktivitas Best Western Coco Hotel Terhadap Kinerja Ruas Jalan Basuki Rahmat Palu Pratama, Aditya Bayu; Tahir, Anas; Mashuri, Mashuri
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Palu, the capital city of Central Sulawesi province is experiencing economic progress. Progress is shown by the supporting facilities such as one of the biggest hotel in Palu that is Best Western Coco Hotel at Basuki Rahmat Street.The existence of this hotel will increase human activities towards the hotel by using a vehicle, so that could increase the amount of vehicles in this area. The total additional volume of these vehicles can cause additional traffic load in Basuki Rahmat Street and influence its performance. This study was aims to determine the performance of Basuki Rahmat road on the existing condition and in the future without and with activity affected the hotel. The analysis conducted by using the method of Indonesian Highway Capacity Manual, 1997. In this research a survey of traffic volume, side barrier and the vehicle travel time were conducted. The survey was conducted on Thursday, September 4th 2014. Base on the result of analysis on the  performance of Basuki Rahmat Street, without development for existing condition the value was obtained as DS = 0,30 and  DS on 2014 condition = 0,47 by level of services (LOS) C. While the conditions of the development of the area obtained value of DS=0.31, DS condition 2014 = 0,48 by level of services (LOS) = C. The handling of road start from additional of median on the road section will continue to maintain the performance of roads in a state with a level of service B, by degree of Saturation in each direction in 2024 is 0.44 and 0.41.
Analisis Variasi Suhu Pencampuran Terhadap Durabilitas Asphaltic Concrete-Wearing Course (AC-WC ASB H) Ramlan, Ratnasari; Hanusu, Abdi; Setiawan, Arief
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Asbuton is a natural asphalt found in Buton Island, South-East Sulawesi with preservation approximately 210 million tonnes particularly found in Lawele area. Warm Mixing Asbuton usually uses temperature of 120°C - 125°C in Special Specification Warm Mixing of Asbuton. In mixing, temperature is one of the most important factors in the construction of road work and it also influences the characteristics of the mixture that are the durability and rut resistance. This study aims to understand the influence of temperature variation of Asbuton warm mixing against ACWC mixing durability and the best durability of some mixing temperature variations. The temperature variation used in mixing and compaction are 105ºC and 95ºC, 115ºC and 105ºC, 125ºC and 115ºC. This study were using Asbuton Butir T 15/25 Ex. Bina Prima Indonesia (BPI), with fluxing materials, which is mixtures from asphalt penetration 60.70 and solar Ex.Pertamina with materials taken from Stone Crusher Ex.Taipa River. The research were  utilyzes Marshall Test to obtain  the characteristic of mixing, referring to SNI and Bina Marga. The result showed that durability is highly influenced by temperature variation of mixing and compacting. Mixing temperature of 105°C and compaction of 95°C are not recommended because the mixing durability does not meet  the specification. On the other hand the highest temperature is resulting in mixing durability that still meet the good specifications.
Simulasi Efektivitas Model Berbagai Peredam Kebisingan (Studi Kasus : Kawasan Zona Bising di Kota Kendari) Djalante, Susanti; Nurrakhmad Arsyad, La Ode Muhamad; Sugiarto, Try; Putra, Adris Ade
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

The rapid economic activity in Kendari is followed by a rapid increase in traffic volume. This leads to one of consequence that increased noise levels and air pollution in Kendari, especially in zone which has a relatively high trip attraction. The purposes of this study are to analyze the effectiveness or insertion loss (IL) of various kinds/types of noise barriers. This research was conducted in some zones which have different types of noise barriers, different elevation or embankment barrier in the education zone, glass material barrier in the trade zone, concrete building barrier in the office zone, and combination different elevation and plant barrier in the hospital zone. The method used in the study is the Practical Method using a sound level meter, then is calculated by using Insertion Loss (IL ) equation, and Empirical Methods used  the equation in the "Calculation of Road Noise Level". This research shows  comparing various barriers in the noise zone that in various distances, 10,17,13 and 10 m, the type of glass barrier in in the trade zone has the highest effectiveness level or insertion loss of 16.9 dB, followed by concrete building barrier at 14 dB in the office zone. While, the level of effectiveness/insertion loss of different elevation/embankment in the education and the combination of plants and elevation/embankment barrier in the hospital zone was almost the same value about  of 6.9 dB and 5.98 dB. At the same distance (10 m) of each zone, the glass was still higher levels of effectiveness of 12.25 dB, followed by concrete building barrier in 11,02 dB, by combination elevation and plants of 6.15 dB, and the type of elevation/embankment 6.05 dB. Thus, the types of barrier provide varying influence on the value of the effectiveness/insertion loss, and to improve the effectiveness /insertion loss of various barriers can be combined with distance change.
Analisis Peramalan Ketinggian Gelombang Laut Dengan Periode Ulang Menggunakan Metode Distribusi Weibull (Studi Kasus Pantai Lembasada Kabupaten Donggala) Setiyawan, Setiyawan; Rusdin, Andi; Adnyani, Niang
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Lembasada Beach, Donggala regency is the oldest port in central Sulawesi province which the region has a long coastal area that is 400 km. Most of community events in Donggala regency are located in coastal areas. There are several coastal areas in Donggala that potentially damaged by abrasion, one of which is Lembasada Beach. The effect of the frequent occurrence of erosion and abrasion, buildings and areas around the Beach were damaged by large waves and brunt of the waves could get to the land when there is high tide. The aim of this writing is to determine the height of a wave that will be used in planning the coastal protection building. Measurement of wave height is very rare and hard to achieve therefore in this writing the forecasting of wave heights were conducted through modification of wind speed data for 8 years (2006 – 2013) using the Weibull DistributionMethod based on the Return Period. The data used is secondary data obtained from an extract of the NOAA Earth System Writing Laboratory NCEP/NCAR and processed using WRPLOT then get the maximum wind direction. Based on the result of analysis, it was obtained that the significant wave height and a significant maximum wave period in 2007 on the southwest directon is (Hs) = 0,7969m and (T) = 2,6942 seconds. After analyzing the frequency distribution using Weibull method it can be predicted the wave return period occurence, the return period of 2 years =0,208 m, 5 years = 0,213 m, 10 years = 0,218 m, 25 years = 0,225 m, 50 years = 0,230 m, and 100 years = 0,236 m.
Kajian Daya Dukung Tanah Gambut dengan Perkuatan Geotekstil dan Perubahan Muka Air Tanah Martini Martini
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Peat soils have a high compressibily and low bearing capacity. This unfavourable characteristic might cause differential settlement dan failure of the construction, so that the appropriate improvement method is required to overcome this problem.Peat soil improvement method that  commonly used is mechanically dan chemically soil improvement method. In this research, the peat soil reinforced with geotextile was conducted in order to find its influence in increasing the bearing capacity.Also, peat land are generally located in the area with shallow water level. In this research shallow foundation reinforced with geotextile with variations ground water level was conducted  to determine its effect in improving the bearing capacity. The variation of layer  number of reinforcement (N) used was N= 3, with width 2B reinforcement, where the  variations of  ground water level are z = 0 cm,  z = 5 cm and z = 10 cm where B is foundation width and z are the distance of the ground water level from base of the foundation. Result of modeling in the laboratory shows that the insertion of geotextile material in the peat soil can increase its soil bearing capacity. The increasing of ultimate bearing capacity (qu) tends to be higher for reinforced soil with no ground water level compared to soil with ground water level.The closer ground water level to foundation base the smaller the bearing capacity either with or without reinforcement. The highest value of bearing capacity was obtained in reinforced peat soil with no water level that is 8,6 kN/m2 or the it  increase as much of 178,1% compared to unreinforced peat soil with no water level. Bearing capacity ratio (BCR) has also increase as of as 2,78 in  with the reinforcement without water level compared to condition without reinforcement and without water level.

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