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All Journal BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan
Yulin Patrisia
Dosen Program Studi Pendidikan Teknik Bangunan Universitas Palangka Raya
Automotive Engineering Civil Engineering, Building, Construction & Architecture Education Energy Engineering Transportation Other

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MODELING MATERIALS PRICE FOR BUILDING MATERIAL IN PALANGKA RAYA Yulin Patrisia; Revianti Coenraad
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 4 No. 2 (2016): Journal Balanga Edisi Juli-Desember 2016
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

One of the components that play a vital role to the success of a construction project is construction prices, namely material prices, leasing and purchasing equipment prices, and construction wages. In the planning stage, the price used is the approximate price that will valid at the time of the project activities. At the implementing stage, the price used is the result of detailed estimates approaching real conditions at the time of the project activities. At the stage of monitoring and evaluation, the price will be reviewed to the conformity of the realization in the field, both the quantity and quality, further compared with employment contract. Research on the affecting factors of price construction materials is important. Furthermore, the affecting factors will be analyse to get a model approach for relevant price of construction materials. The construction material object in this research was timber. The study was conducted to obtain primary data and secondary data. Secondary data was performed to establish the factors that are predicted to affect the price of wood materials. Primary data were collected by distributing a questionnaire to 15 contractors in the city of Palangka Raya. Data obtained from the questionnaire and then analyzed by Severity Index (SI) for establishing the factors that affect the price of wood materal. Furthermore, the data were analyzed by the PLS model to obtain a model of approach to wood material prices. The study states there are several factors that affect the price of wood materials, namely economic factors, location factors, material resources factors, transport factors, and regulatory and government policies factors. Model approach to set the price of wood material by using PLS analysis showed that the material resources has an effect on the price of wood material, while the most dominant variable is the location factor.
INFLUENCE OF ULIN WOOD GRAIN USAGE AS FIBER MATERIAL ON CONCRETE COMPRESSIVE AND TENSILE STRENGTH Yulin Patrisia; Sri Murwantini
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 1 No. 1 (2013): Journal Balanga Edisi Januari-Juni 2013
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

Concrete is a building material used widely in construction because of the advantages it has. One of the very specific characteristics of concrete is that it withstands the force/compressive stress, but does not withstand the concrete tensile strength. There are various innovations have been made to improve the ability of the concrete tensile, such as reinforced concrete, prestressed concrete and fibre concrete. In this study, the fiber used as a mixture of concrete, fiber used is ironwood fiber (Eusideroxylon zwageri) which is an industrial waste from sawmills. The addition of 5%, 10%, and 15% ironwood fiber showed its influence to the concrete compressive strength and tensile. Percentage increase in optimum compressive strength and tensile strength of the concrete cylinders occurs in variation with the addition of 5% kayu ulin fiber, which is 14.2% higher when compared to concrete without fibers, with an average compressive strength of 30.76 MPa. For tensile strength of concrete, it reachs 3,545 MPa or 2.63% higher than the concrete without fibers. For the addition of ironwood fiber variation by 10% and 15% showed an increase in the tensile strength of concrete, but a decrease in the compressive strength of concrete. The experimental results also showed that the addition of fiber will reduce workability of concrete.
UTILIZATION OF BENUAS RESIDUAL SAWDUST FROM SAWMILL INDUSTRY AS MATERIALS FOR PAVING BLOCK Yulin Patrisia; Lola Cassiophea
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 1 No. 2 (2013): Journal Balanga Edisi Juli-Desember 2013
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

Concrete paving block for flooring is widely used as a material for the road pavement on campus, offices, sidewalks, roads, parking areas and so forth. This may imply that the use of paving blocks are so complex, so the need increases due to the practicality of installation and maintenance. Various attempts were made in an effort to improve the quality as a result of market competition of the paving block. As an alternative to improve the quality is the addition of sawdust in the manufacture of paving blocks. The purpose of this study was to determine the wear and tear, porosity and compressive strength of paving blocks with the addition of sawdust. The method used is an experimental method. Therefore, the study was obtained through the compressive strength, porosity and wear resistance by comparing the paving block that use the sawdust and without sawdust. The results showed the effect of adding sawdust to the compressive strength of paving blocks. For 5% sawdust addition , the results of the compressive strength of paving blocks are relatively the same as the compressive strength of paving blocks 0 % sawdust. But for the addition of 10 % and 15% sawdust, the decrease the compressive strength of paving blocks increasing significantly. The effect of the addition of sawdust on porosity and wear resistance is the higher sawdust paving block composition is, the higher porosity and the lower the wear resistance of paving blocks will be.
UTILIZATION OF WATERMARKING TECHNIQUE AS DIGITAL FINGERPRINT (DIGITAL SIGNATURE) IN DIGITAL DOCUMENT THESIS Sri Murwantini; Yulin Patrisia
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 1 No. 2 (2013): Journal Balanga Edisi Juli-Desember 2013
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

The rapid development of information technology have a positive and negative impacts. In this case, the advantage with the advancement of information technology can be utilized to store a variety of undergraduate thesis work of students, especially in the Department of Vocational and Technology Education Unpar stored in digital form. By way of this paperless storage can save space and storage space. But on the other hand, it is easy to be copied by the less responsible student. One way to protect the authenticity of ownership of digital data is by using watermarking. Watermarking technique is the process of adding a permanent identification code into digital data. In this study , the focus was on how to make use of watermarking techniques in digital documents. Experiments conducted concluded that the use of space for storing watermark bits is very promising. Decoding or watermark embedding is done by inserting a watermark on each bit contained in the document space, while the watermark retrieval or decoding by taking every bit watermark of spaces contained in documents that have been inserted watermark.
SELF COMPACTING CONCRETE USING FLY ASH AND DUST STONE AS FILLER MATERIAL Yulin Patrisia
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 2 No. 1 (2014): Journal Balanga Edisi Januari-Juni 2014
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

Self-compacting concrete is a concrete variant that has the ability to condense itself, because the workability and flowability of the high concrete. There are many advantages obtained when a construction using SCC. However, the limited knowledge of the SCC makes this concrete variant is less used in construction work. Through experimental research methods in the laboratory, by making the SCC mixture using 20% dust stone and fly ash variation of 0%, 10%, 20%, and 30%, obtained results (1) the addition of fly ash composition on the concrete made the flowability of concrete increased; (2) along with the addition of a maximum of 30% FA, the higher the viscosity of concrete, which is indicated by the smaller the value of T500; (3) along with the addition of FA, the value of the passing ability of SCC (blocking ratio value increases) increased; (4) The results testing of the compressive strength of concrete age of 7 and 28 days showed an increase due to the addition of FA of 0%, 10%, 20%, and 30% in SCC concrete mix.
MATHEMATIC MODELLING OF CONCRETE PUMP PRODUCTIVITY ON THE CONCRETE WORK OF CONSTRUCTION PROJECT IN PALANGKA RAYA Yulin Patrisia; Revianti Coenraad
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 2 No. 2 (2014): Journal Balanga Edisi Juli-Desember 2014
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

The physical activities in Central Kalimantan Province especially Palangka Raya in the recent years indicates a good development and is cathed by the construction entrepreneur as one of good business opportunities, one of which is ready-mix-concrete company which produce fresh concrete. With this company, the concreting of high building can be done faster with stable concrete quality. In the field, the use of ready mix concrete for high building is equipped with a concrete pump. Concrete pump is an equipment to pump concrete to concreting location, mainly to a location difficult to reach by mixer truck. With concrete pump, concreting can be done faster. However, its productivity depends on the distance and the height of the location, beside the concrete quality itself. The research on concrete pump productivity on the concreting of construction project in Palangka Raya aims to make a mathematic model that is able to predict the relationship between concrete pump productivity and distance and height of the location of concreting. The result shows that there is a strong relationship between productivity with horizontal concreting, which is modelled by the formula (a) Y = 0.642 – 0.09 X1 + E, where Y = productivity (m3/min), X1 = distance (m), E = error; (b) Y = 0.628 - 0.09 X1 - 0.07 X2 + E, where Y = productivity (m3/min), X1 = distance (m), X2 = height (m), E = error
OPTIMIZATION OF HIGH STRENGTH CONCRETE Yulin Patrisia
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 3 No. 1 (2015): Journal Balanga Edisi Januari-Juni 2015
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

The production of high strength concrete using local materials, which are available in Surabaya and its surrounding area, that consider adequate slump so that the design is applicable in the project site, begin to be needed in the construction world. Through laboratory experiments, mix design using materials such as portland cement, silica fume, fly ash, coarse aggregate, fine aggregate, and also superplasticizer produces high strength concrete with cylinder compressive strength between 48 MPa – 93 MPa at 28 days age. By utilizing multiple regression analysis for data processing, a mathematical model for the designing composition of high strength concrete is proposed. The most factor that influences the compressive strength of concrete is the composition of silica fume, followed by composition of portland cement, finally the composition of water and fly ash.
PLS MODEL FOR THE PRICE APPROACH OF CONCRETE SAND MATERIAL Yulin Patrisia; Revianti Coenraad
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 5 No. 1 (2017): Journal Balanga Edisi Januari-Juni 2017
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

This study aims to determine the factors that influence the pricing of sand concrete material in a project site and make an approach model to determine the price of relevant construction materials. The study was conducted through literature study and field survey to obtain primer data and secondary data. Approach model to fix the price of sand material by using PLS analysis. The result of research stated that there are several factors influencing the price of concrete sand material, namely economic factor, location factor, material resource factor, transportation factor, and regulation factor and government policy. The approach model to determine the price of concrete sand material shows that the transportation factor has an effect on the price of concrete sand material, while the least dominant variable is regulation factor and government policy.
INFLUENCE OF PEAT WATER ON MECHANICAL PROPERTIES OF COCONUT SHELL AND FLY ASH BASED CONCRETE Yulin Patrisia; Topan Eka Putra
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 7 No. 2 (2019): Journal Balanga Edisi Juli-Des 2019
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/balanga.v7i2.1542

Abstract

This study aimed to determine the influence of peat water on the mechanical properties of the paving block (compressive strength and water absorption) using coconut shell waste and fly ash as raw material. The background of the research were the lack utilization of fly ash, preparation for the handling and utilization of fly ash from power station at Pulang Pisau and Tumbang Kajuei (under construction), and the utilization of coconut shell to be more effective and economical. Paving block specimens were immersed in peat water to determine the effect of peat water and the rest were immersed in plain water. This experiment used fly ash as a partial replacement of cement and 2% coconut shell as a partial replacement of fine aggregate. The results of the analysis showed that: (a) Paving block using fly ash and coconut shells which were immersed in plain water experienced the increase in compressive strength and the decrease in water; (b) Paving block using fly ash and coconut shells soaked in peat water showed that by the increase of age, compressive strength was decrease and water absorption was increase; (c) The compressive strength of paving block specimens immersed in plain water and peat water showed relatively similar values at 7 and 28 days age, (d). Water absorption in paving block specimens soaked both in plain water and peat water showed relatively similar values at 7 days age, but at 28 days age the specimens immersed in peat water had greater water absorption.
THE EFFECT OF THE ADDITION OF ZIRCON MATERIAL ON COMPRESSIVE STRENGTH AND TENSILE STRENGTH OF THE CONCRETE SIDES Prengki; Yulin Patrisia
PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan Vol. 1 No. 1 (2015): Journal Parentas Edisi Januari-Juni 2015
Publisher : Jurusan Pendidikan Teknologi Dan Kejuruan

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Abstract

The addition of material zircon (zirconium silicate) as a substitute forfine aggregate in the concrete mix to make use local gold mine waste so it can be used as an alternative building material. This study aimed to determine the effect of material zircon (zirconium silicate) addition of 0%, 25%, 50%, 75% and 100% of the total weight of fine aggregate of compressive strength and tensile strength of the concrete sides.The benefits derived from this research is to develop knowledge about concrete technology especially zircon as an added or alternative, so that people can take advantage of zircon as concrete material in making buildings. In this study, the concrete is made from sand, crushed stone, cement PCC and zircon added material obtained from the public gold mining waste in village ponds Banama Tingang subdistrict, Pulang Pisau. Test specimens used in this study is a cylindricall with a height of 30 centimeters and a diameter of 15 centimeters. The test specimen is made of 10 in each concrete mixture ratio, each of 3 pieces for age 14-day compressive strength, compressive strength for 28 days also 3 specimens, while for tensile strength the age of 14 and 28 days 2 pieces. Total test specimens used in this study is 50 pieces. The results showed that the effect of the addition of zircon material of 0%, 25%, 50%, 75% and 100% of the compressive strength and split tensile strength of concrete at the age of 14 and 28 days, showed a percentage increase in the compressive strength and tensile sides. Compressive strength of concrete cylinders age of 14 days, 0% (0%), 25% (8.38%), 50% (14.41%), 75% (26.48%) and 100% (22.79%). Concrete cylinder compressive strength of 28 days is 0% (0%), 25% (7.35%), 50% (28.50%), 75% (19.51%) and 100% (7.54%). Horizontal split tensile strength age of 14 days, 0% (0%), 25% (5.97%), 50% (6.92%), 75% (16.35%) and 100% (15.41%). Horizontal split tensile strength of concrete cylinders at the age of 28 days, 0% (0%), 25% (8.63%), 50% (22.56%), 75% (14.20%) and 100% (11, 70%). The highest percentage increase in each test is compressive strength at 14 days there in 75% (26.48%), aged 28 days 50% (28.50%) and for horizontal split tensile strength at 14 days there in 75%(16.35%), aged 28 days 50% (22.56%). Thus zircon material can be used as concrete material.
Co-Authors Aspena Fransiskus Tandi Keny Lola Cassiophea Prengki Revianti Coenraad Sri Murwantini Topan Eka Putra