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All Journal BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan
Yulin Patrisia
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Education Energy Engineering Transportation Other

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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.
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.
THE IMPACT OF COOPERATIVE LEARNING MODEL TYPE THINK PAIR SHARE (TPS) ON THE HYDRAULIC BINDING MATERIAL TOWARDS THE STUDENTS’ LEARNING RESULTS AT CLASS X TECHNIC OF STONE AND CONCRETE CONSTRUCTION SMKN-1 PALANGKA RAYA SCHOOL YEAR 2014/2015 Aspena; Yulin Patrisia
PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan Vol. 1 No. 2 (2015): Journal Parentas Edisi Juli-Desember 2015
Publisher : Jurusan Pendidikan Teknologi Dan Kejuruan

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Abstract

Based on the researcher’s observation at Teacher Training Program and the interview with the teacher of Class X Technic of Stone and Concrete Construction SMKN-1 Palangka Raya, gained the data that the process of learning especially the hydraulic binding material, the teacher mostly applied direct learning method. This made the learning less effective, because the students didn’t really give some responses to the lesson, the students weren’t active in the teaching learning activity, and the students’ learning results were inadequate, less than 75. The type of research applied was experimental research, with all the population of students at the Class X Technic of Stone and Concrete Construction SMKN-1 Palangka Raya School Year 2014/2015, that was totally 24 students. This research used total sample technique, so all the students at the Class X Technic of Stone and Concrete Construction which was totally 24 persons divided into two groups, that was experiment class and control class. Therefore, the total students at the experiment class was 12 persons and at the control class was 12 persons. The research instrument was a test of learning result with 30 multiple choice questions which were firstly tested at a Class X TGB SMKN 1 Palangka Raya. Based on the analysis of validity test obtained 23 questions which were valid and the reliability coefficient was r11 = 0,88, so it could be concluded that the instrument had a very high reliability. According to a pretest data analysis, the mean of the experiment group was 69,50 and the mean of the control group was 66,17. The normality test result of the experiment group was X2 hitung = 2,8515 < X2tabel = 5,99 and the control group was X2hitung = 5,0707 < X2tabel = 5,99, so the pretest data of the experiment group and the control group normally distributed. The test result of homogeneity pretest data was F hitung = 1,74 < Ftabel = 4,46, so it was a homogeneous pretest data. Therefore, there was no difference between the initial ability of students at the experiment class than the control group. Based on the analysis of posttest data, the mean of the experiment group was 91,25 and the mean of the control group was 68,67. The normality test result of the experiment group was X2hitung = 1,5168 < X2tabel = 5,99, and the control group X2hitung = 2,3239 < X2tabel = 5,99, so posttest data of the experiment group and the control group normally distributed. The test result of the homogeneity posttest data was Fhitung = 1,09 <Ftabel = 4,46, so the posttest data was homogeneous. The analysis result with the test t was thitung = 9,1972 and ttabel = 2,074 because thitung > ttabel so H0 was rejected and Ha was accepted. Consequently, the learning result of the experiment group were better than the control group. Therefore, it might be concluded that there was a difference between the learning result of the students who applied the cooperative learning model type think pair share than the others who applied the direct learning model on the hydraulic binding material at Class X Technic of Stone and Concrete Construction SMKN-1 Palangka Raya School Year 2014/2015.
COMPRESSIVE STRENGTH AND SPLITING-TENSILE STRENGTH OF GEOPOLYMER CONCRETE USING VARIATION IN MAXIMUM SIZE OF COARSE AGGREGATE Noor Arif Inderawan; Yulin Patrisia
PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan Vol. 3 No. 1 (2017): Journal Parentas Edisi Januari-Juni 2017
Publisher : Jurusan Pendidikan Teknologi Dan Kejuruan

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Abstract

The purpose of this research is to study the mechanical behavior of geopolymer concrete using the variation in maximum size of coarse aggregate in the term of compressive strength and splitting-tensile strength. This study used variation on maximum size of course aggregate namely 10 mm, 20 mm and 30 mm. Fly ash is from AsamAsam Steam Electricity Power Plant, Indonesia. Cylindrical test specimen (size 100 mm x 200 mm) with number of test specimens counted 10 pieces for each variant of maximum size of aggregate coarse. The mixture of geopolymer concrete in this experiment contain fly ash of 400 kg/m3 with alkaline activator is Sodium Hydroxide (NaOH) with molarity of 10 M and Sodium Silicate (Na2SiO3). The ratio of Na2SiO3 to NaOH is 2:1 and the ratio of alkaline activator to fly ash is 0.4. Tests conducted for compressive strength test and tensile strength at age 14 and 21 day. The result shows that the smaller the maximum size of coarse aggregate, the greater compressive strength and splitting-tensile strength. Compressive strength and splitting-tensile strength for specimen with 10 mm, 20 mm, and 30 mm maximum size of aggregate are 11.04 MPa and 6.12 MPa, 10.82 MPa and 5.22 MP, 10.06 MPa and 4.84 MPa respectively.
GEOPOLYMER CONCRETE USING CERAMIC WASTE AS A SUBSTITUTE OF COARSE AGGREGATES Fransiskus Tandi Keny; Yulin Patrisia
PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan Vol. 4 No. 1 (2018): Journal Parentas Edisi Januari-Juni 2018
Publisher : Jurusan Pendidikan Teknologi Dan Kejuruan

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Abstract

This research study the influence of ceramic waste utilization as a substitute of coarse aggregate to compressive strength of geopolymer concrete. In this research, the waste of ceramic is broken down into pieces of maximum 20 mm in size and used as a substitute for coarse aggregate. The mixture consists of coarse aggregate, fine aggregate, fly ash (450 kg/m3), NaOH and Na2Sio3 (alkaline activator with ratio of Na2SiO3 to NaOH is 2: 1) and the ratio of alkaline activator to fly ash is 0.5. Percentage of ceramics aggregate to natural coarse aggregate applied in this study are 0%, 25%, 50%, 75%, and 100%. The geopolymer concrete's mix design uses the Modified Guidelines for Geopolymer Concrete Mix Design Using Approach of Indian Standard. Testing of concrete compressive strength with 20x10 cm size test specimen at the age of 14 and 28 days.The result shows that the highest compressive strength at 14 days is 18.28 MPa with 25% percentage of ceramics, while the highest compressive strength at the age of 28 days is 20.01 Mpa with 25% percentage of ceramics. The effect of ceramic use on geopolymer concrete mixture for ages 14 and 28 days shows that up to 50% ceramic usage increase concrete compressive strength compared with normal (0% ceramic) concrete, while ceramic usage above 50% to 100% reduce compressive strength of geopolymer concrete compared to normal concrete.
APPLICATION OF THE METHOD OF PEER TUTORS LEARNING TOWARDS THE LEARNING RESULTS OF STUDENTS ON THE MATERIAL ANALYZED ROD STYLES ON CONSTRUCTION ORDER IS SIMPLE IN CONSTRUCTION AND PROPERTY BUSINESS GRADE SMK NEGERI 1 PALANGKA RAYA 2017/2018 Ester Dwi Sartika Simanjuntak; Yulin Patrisia
PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan Vol. 5 No. 2 (2019): Journal Parentas Edisi Juli-Desember 2019
Publisher : Jurusan Pendidikan Teknologi Dan Kejuruan

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Abstract

The study was backed by the student learning outcomes by building construction that is still relatively low, namely under the value minimum mastery of 70.00. Learning activities conducted where a teacher is one of the determinant of the success of the learning process of students. In practice, the real educators often use only lectures and occasional FAQs then gave the matter of exercise to be undertaken. This less learning environment tends to make students passive and less involved in the learning process. Many students against the methods used by teachers that will affect on learning outcomes of students and learning on how to think actively. This study uses one of the methods of learning which involves the entire students to be active in learning activities so it is expected it can improve student learning outcomes with Peer Tutors Method. The purpose of this research is to know the results of student learning after the application of the learning method of Peer Tutors. This research is a descriptive research with quantitative approach. Samples taken with purposive sampling technique so students of Class X BKP SMK Negeri 1 Palangka Raya Academic Year 2017/2018 which amounted to 22 students designated as samples. Data collection techniques used in this research is in the form of a written test instruments namely multiple choice tests consisting of pretest (initial test) and post test (final test). Validation of the grain problem initial tests and final tests done by three raters consisting of two professors of Civil Engineering Education, University of Palangka Raya and one teacher who teach Mechanics Engineering at SMK Negeri 1 Palangka Raya. Engineering analysis on research using quantitative data in the form of numbers or score obtained from test results of student learning. The results of the research showed an increase from the pretest before the application of the method only 23%, or 5 of the 22 students who meet the minimum criteria of completeness (KKM). Whereas after Peer Tutor learning method was applied, the results of postest showed a 100% or all students met the criteria minimum completeness (KKM) and results of student learning increased by 77%.
THE USE OF STAD TYPE AS COOPERATIVE LEARNING MODEL ON MATERIAL OF PICTORIAL DRAWING PROJECTION (3D) IN CLASS X FOR COMPETENCY OF CONSTRUCTION AND PROPERTY BUSINESS SKILLS AT SMK-1 PALANGKA RAYA Mega Utari; Yulin Patrisia
PARENTAS: Jurnal Mahasiswa Pendidikan Teknologi dan Kejuruan Vol. 6 No. 1 (2020): Journal Parentas Edisi Januari-Juni 2020
Publisher : Jurusan Pendidikan Teknologi Dan Kejuruan

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Abstract

The material of pictorial drawing projection (3D) relatively does not achieve the minimum passing grade at about 70. It can be observed from the student learning outcomes in the previous lecturing year that was only 27.27% which is able to reach the minimum criteria for completeness. Based on this background, this research implements a learning model by involving students to be active in the learning process. Then it is expected to improve the student’s learning outcome by using cooperative learning model-type of STAD. The purpose of this research is to improve the student’s learning progress after applying the cooperative learning model-type of STAD. Furthermore, this study is descriptive by the quantitative approach. Whole students of class X BPK SMK 1 Palangka Raya academic year on 2018/2019 is applied as Population of this research and using the total sampling technique based on about 29 students to be the sample. In order to obtain the data collection, it applies the writing test such essay model during last meeting. The item validition of the final test was verified by three academically professional in which consisting of a lecturer from Department of Construction Engineering Education in FKIP University of Palangka Raya and two vocational school teachers for technical drawing subject in SMK-1 Palangka Raya. Before the items were being validated, by around 25 questions have been proposed there were only 8 questions being approved. Meanwhile, in this research the student’s test result is organized being the data collection. Briefly, this study is able to show that the STAD type in learning model shows the positive progress due to technically vocational students could provide the active role in a group for each meeting, actively giving some questions and actively cooperating to each other to solve given problems. By 29 students, there were 27 students which obtained the final score at above 70 of the minimum completeness criteria. Nonetheless the students can perform the cognitive achievement level at 83% and 93% is for the classical completeness learning. Finally, students level achievement in psychomotor can reach 77% with the classical completeness learning on 100%.
Co-Authors Aspena Ester Dwi Sartika Simanjuntak Fransiskus Tandi Keny Mega Utari Noor Arif Inderawan Prengki Revianti Coenraad Sri Murwantini Topan Eka Putra