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  Subjects -> ARCHITECTURE (Total: 219 journals)
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Jurnal Teknik Sipil dan Perencanaan
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1411-1772 - ISSN (Online) 2503-1899
Published by Universitas Negeri Semarang Homepage  [45 journals]
  • Comparison of Compressive Strength of Concrete Using White Portland Cement
           with Gray Cement

    • Authors: Arusmalem Ginting, Damar Hendra Pradikta, Bing Santosa, Prasetya Adi
      Pages: 1 - 7
      Abstract: Abstract. White Portland cement (WPC) in Indonesia is generally used for architectural work. WPC is still rarely used in structural concrete because the price is relatively higher than grey cement. This research reviewed the compressive strength of concrete using WPC and compared it with concrete using grey cement. Compressive strength testing of concrete using WPC and grey cement was carried out at ages: 3, 7, 14, 21, and 28 days. From the research, the compressive strength of concrete using WPC was 13.81 MPa (60%) at 3 days, 16.68 MPa (72%) at 7 days, 19.45 MPa (84%) at 14 days, 22.34 MPa (97%) at 21 days, and 23.11 MPa (100%) at 28 days. The compressive strength of concrete using grey cement was 13.03 MPa (63%) at 3 days, 15.11 MPa (74%) at 7 days, 17.22 MPa (84%) at 14 days, 18.78 MPa (91%) at 21 days, and 20.54 MPa (100%) at 28 days. The compressive strength of concrete using WPC is higher than grey cement at all ages. The rate of compressive strength of concrete using WPC is almost the same as grey cement at all ages.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.32390
      Issue No: Vol. 24, No. 1 (2022)
       
  • The Optimal Location for The Development of Agricultural Production Center
           Area of Rembang Regency

    • Authors: Bitta Pigawati, Tia Adelia Suryani, Ghiffari Barbarossa
      Pages: 8 - 18
      Abstract: Abstract. Disproportionate regional spatial growth can encourage regional disparities between villages and cities and problems for the sustainability of regional development. Rembang Regency has growth characteristics that are concentrated at several points in its urban area. This pattern of growth creates a problem of regional disparity. To overcome this problem, it is necessary to add new regional growth centers. These new regional growth centers are expected to evenly distribute spatial growth. The center of regional growth in accordance with the characteristics of Rembang Regency is the center of agricultural production. This study aims to determine the optimal location for the development of the agricultural production centers as the center of regional growth. Using a spatial approach with remote sensing images as the main data. The analytical technique used is spectral transformation and multicriteria. The results showed that the most optimal locations for the development of agricultural production centers were Sale District (2,634.01 ha), Gunem District (2,198.95 ha) and Kragan District (2,171.72 ha). Sulang District is also a potential location for the development of agricultural production centers because the total area of the optimal location covers 8 – 10% of the total area of Rembang Regency. The findings of the study on the optimal location for the development of agricultural production centers are recommended as a strategic area for regional development to function as a growth center for Rembang Regency as an effort to overcome disproportionate spatial growth.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34270
      Issue No: Vol. 24, No. 1 (2022)
       
  • The Effect of WHA and Lime for Shear Strength of Clay Stabilized by Cement

    • Authors: Soewignjo Agus Nugroho, Andarsin Ongko, Ferry Fatnanta, Agus Ika Putra
      Pages: 19 - 26
      Abstract: With the use of the additive, the clay's shear strength and bearing capacity increased. Usage waste material, Wooden Hush Ash (WHA), is tiny. The silicate content of WHA is almost the same as RHA. This study aims to utilize ASK for a stabilization material of high plasticity clay to increase shear strength. Unconfined Compression Strength (UCS) tests were performed to compare the UCS value of clay; clay with 5% cement; clay with lime; clay-cement with WHA; clay-cement with lime and WHA; and clay with lime and WHA. Before the UCS test, the sample was separated into two groups: with and without curing for 28 days, and with and without soaking for 4 days. While in conditions unsoaked, the qu value is uniform. Results show, without curing and soaked, qu values of all variations have the same value in the range of 350 kPa to 380 kPa. In conditions with curing 28 days with and without soaked, qu values range from 365 kPa to 485 kPa for mixtures with WHA and a combination of lime with ASK. While adding of 10% lime additive increases the qu value to >1100 kPa UCS testing results prove, with and without curing and soaked, lime is more optimal to increase the value of UCS than WHA. Replacement lime with WHA by 4% to 6% increases the qu value from 160 kPa to 465 kPa and 485 kPa and 110 kPa to 440 kPa to 475 kPa of soaked and unsoaked condition respectively. WHA can be used to reduce lime in soil stabilization.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34380
      Issue No: Vol. 24, No. 1 (2022)
       
  • Laboratory Testing Performance of Hot Mix Asphalt Containing Waste
           Materials

    • Authors: Hery Awan Susanto, Hery Awan Susanto, Bagyo Mulyono
      Pages: 27 - 35
      Abstract: Abstract. Road conditions are frequently subjected to damage that outlasts the road's design life. One of these is due to the material's mechanical capability, which is insufficient to withstand traffic loads and weather conditions. The incorporation of plastic and tire waste into Hot Mix Asphalt is one of the efforts to improve the material's mechanical quality (HMA). In addition to reducing the asphalt concentration in the mixture, the percentage of plastic and tire debris reduces the environmental impact. The use of plastic and tire waste in HMA can aid in the creation of green roads. The goal of this research is to see how plastic and tire waste affect HMA performance in Marshall testing. The research was conducted by making test samples with variations of waste materials percentage. Then, the Marshall test was carried out. Analysis of test results includes volumetric properties and Marshall characteristics. The test results showed that the addition of plastic and tire waste was able to improve the performance of the HMA mixture. However, the performance of the HMA mixture will decrease due to the influence of water soaking the HMA mixture. The addition of the optimum waste was obtained by 2.5% at the optimum asphalt content of 5.5%.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34426
      Issue No: Vol. 24, No. 1 (2022)
       
  • Unit Weight of Foam Concrete Containing Blended Cement and Fly Ash

    • Authors: Yohans Sunarno, M. W. Tjaronge, Rita Irnawaty, Achmad Bakri Muhiddin
      Pages: 36 - 41
      Abstract: Abstract. The rapid development of construction and infrastructure results in increasing demands for natural resources continue. One of the many natural elements required for construction and infrastructure activities was cement, which is the basic ingredient in concrete. This study aims to analyze the unit weight of foam concrete containing blended cement and fly ash. The research approach used in this study was a laboratory experiment. Foam concrete was produced using 4 variations of cement (OPC, PCC-T, PCC-B and OPC+FA), fine aggregate, water and foam. The shape of the test object used was cube with a size of 15 cm × 15 cm × 15 cm. Unit weight test was used to evaluate the foam concrete mixture produced at the age of 3, 7, 28 and 730 days. The results showed that the unit weight of foam concrete in all variations of the specimens: OPC, PCC-T, PCC-B and OPC+FA, met the requirements for the unit weight of lightweight structural concrete based on SNI 03-3449-2002 and ACI 213R3 which was between 800 to 1400 kg/m3.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34664
      Issue No: Vol. 24, No. 1 (2022)
       
  • Durability of Residual Strength on Ac-Wc Mixture Using Bottom Ash As Fine
           Aggregate Substitution

    • Authors: Irianto Irianto, Didik S.S Mabui, Ardi Azis Sila
      Pages: 42 - 51
      Abstract: Abstract. This study aims to determine the durability of the residual strength in the Asphalt Concrete – Wearing Course (AC-WC) mixture that uses bottom ash waste as a substitute for fine aggregate. The Marshall Test revealed that the stability value of all variations of the tested immersion met the minimum standard, which was greater than 800 kg, namely for the 0 hour immersion variation of 2170.75 kg, the 24-hour immersion variation of 2014, 62 kg, the immersion variation 48 hours of 1938.07 kg, variation of immersion 96 hours of 1853.45 kg, and the variation of immersion 168 hours of stability value obtained is 1747.68 kg. And for the residual strength index in the 24-hour immersion variation the residual stability index was obtained at 92.81%, for the 48-hour immersion variation the residual stability index was obtained at 89.33%, while for the 96-hour immersion variation the residual stability index was obtained at 85.38%. and for the variation of immersion 168 hours residual stability index was obtained at 80.51%, so that which meets the standard of at least 90% is the 24-hour variation.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.31913
      Issue No: Vol. 24, No. 1 (2022)
       
  • The Needs of Pedestrian Circulation Design for Adolescents In Semarang Old
           Town Public Space That Responsive To Covid-19 Pandemic

    • Authors: Raihan Fanani Nusapatria, Novia Sari Ristianti
      Pages: 52 - 61
      Abstract: Abstract. Semarang Old Town is a site in Semarang City that provides economically valuable public spaces that teenagers use. Due to irregular pedestrian circulation and packed economic activity points, Semarang Old Town is a sensitive location for the possible spread of the Covid-19 virus. The Covid-19 epidemic has not been addressed in the public spaces of Semarang Old Town. Circulation flow, circulation signage, crossing points, and health protocol facilities have all been identified as issues. This project intends to develop pedestrian circulation needs for teenagers in an economically valuable public place in Semarang Old Town in response to the Covid-19 pandemic. The quantitative method employed in this study was behavior mapping and quantitative descriptive analysis techniques. The stages are as follows: first, identify teenage features; second, analyze design demands for adolescent pedestrian circulation elements. Then, construct the design requirements and placement. The study was conducted on a group of 41 adolescents aged 12 to 25, with observation taking place on Saturday night and Sunday morning (peak hours). According to quantitative descriptive analysis methodologies, adolescents prefer more simple, more adaptable designs and occupy less space by 57 percent..
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34170
      Issue No: Vol. 24, No. 1 (2022)
       
  • Study On Scouring and Protection of USBR-III Type Downstream of Spillway

    • Authors: Lutfi Hair Djunur
      Pages: 62 - 71
      Abstract: Abstract. In the downstream part of the spillway building, especially in the flood way, occurs phenomenon of changing flow conditions from super critical to sub critical which causes a hydraulic jump and used by energy absorbers to reduce flow energy. The hydraulic jump in the floodway causes scouring of the bottom, particularly in the unprotected downstream spillway. Using 3 different dimensional baffle block models provides three different discharge variations in four flow simulations. Based on the results of the analysis and planning of the baffle block, it is found that the effectiveness in protecting the downstream scour of the spillway, namely baffle block dimensions of 1:1, 1:3 and 1:5. The three models of baffle blocks are used to determine the change in channel cross-section, scour pattern, scour volume and flow parameters that occur in downstream of spillway. The results showed that without baffle block was 32.80%, 1:1 baffle block was 43, 24%, 1:3 baffle block was 10.01% and 1:5 baffle block was 47.77%. The results of the drainage simulation showed that the higher the water level and the velocity of the flow at the bottom of the channel, the less the flow will be and will not be able to lift the bottom material of the channel
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34196
      Issue No: Vol. 24, No. 1 (2022)
       
  • Education Building Maintenance Priority Strategy Consider Safety Condition
           Using Analytical Hierarchy Process (AHP)

    • Authors: Muhammad Faizal Ardhiansyah Arifin, Yoga Aditya, Agung Budiwirawan, Agung Sutarto, Arie Taveriyanto
      Pages: 72 - 80
      Abstract: Abstract. Buildings with component degradation are a common challenge for all construction companies across the world. There are various building's components that it is challenging for construction companies to manage them all at once. It was not considered that the building agency is responsible for more than one building at a time. These issues have gotten more complicated as a result of the building agencies' limited financial resources for building maintenance. This study attempts to provide a visible solution to manage the building maintenance strategy based on complex building maintenance problems. The Analytical Hierarchy Process was used to give a complete way for assessing the building's condition (AHP). This method developed in this study was applied to define the building condition and followed by determining the building priority to be maintained. The building component in this study was specified into three specific components such as interior, exterior, and building utility. To complete this method, a three-level priority factor was determined with consideration from the safety factor follow by the functionality factor, dan the last is an esthetic factor. The developed model shows a proper and reliable solution related to the degradation of building components and their functionalities.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.35980
      Issue No: Vol. 24, No. 1 (2022)
       
  • Arrangement of Green Open Space on River Borders with Constructed Wetlands
           Concept

    • Authors: Stepanus Andi Saputra, Margareta Maria Sudarwani, Sri Pare Eni
      Pages: 81 - 90
      Abstract: Abstract. The decline in river quality is due to the role of 60%-70% of domestic waste, 30% of industrial waste, and 10% of agricultural and livestock waste that pollutes rivers. In addition, because there are settlements on the banks of the river, if it is not handled, the quality of the rivers in Jakarta will certainly be bad. One way of treating wastewater is Constructed Wetlands, the goal is to improve water quality and reduce the harmful effects of waste, as well as water conservation efforts. Constructed Wetlands are usually applied to settlements that have yards, while settlements in Jakarta currently only have narrow yards there are no yards left. From this aspect, the post-normalization riverbank arrangement will be carried out using the Constructed Wetlands approach. The research located at the Kampung Baru,  Cakung,River, East of Jakarta.  To find out the results of this application, the method used is descriptive in knowing the conditions of settlements, and then data collection will be carried out from literature reviews and interviews. Furthermore, an analysis is carried out with basic mathematical calculations to answer the space requirements in the application of Constructed Wetlands so that it will produce a spatial pattern model for settlements.
      PubDate: 2022-04-30
      DOI: 10.15294/jtsp.v24i1.34456
      Issue No: Vol. 24, No. 1 (2022)
       
 
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