BEHAVIOR OF GLASS FIBER GEOPLOYMER BUBBLE SLABS EXPOSED TO FIRE FLAME

In the present study, eight specimens of Reinforced concrete Geopolymer bubbled slab exposed to fire flame and tested under punching shear failure with dimensions (45*45*7 cm), steel armature (Ø3@25), plastic ball diameter (4 mm) and concrete cover (1.5 cm) and the use of two percentages of fiberglass (0.5%-1%) and the variable temperatures were (150- 300- 450 ˚C) with a burning time of 30 minutes. From the results of laboratory tests, when the Geopolymer reinforced concrete bubbled slabs exposed to high temperatures, it did not occur to spalling, and the reason for that is that Geopolymer concrete has the ability to resist heat due to the fact that it's main compounds are materials burned at high temperatures. And also, it was noticed in examining a punching shear stress of the models with fibers (0.5%) that the ultimate load increased by (4.5%) for the model burned at a temperature of (150 ˚C) and a decrease in the ultimate load was (40%) for the models burned at temperatures (300 ˚C) and a decrease in the ultimate load by (30%) for the models burned at temperatures (450 ˚C). Also, it was noticed in examining a punching shear stress of the models with fibers (1%) that the ultimate load increased by (6%) for the model burned at a temperature of (150 ˚C) and a decrease in the ultimate load was (36%) for the models with temperatures (300 ˚C) and a decrease in the ultimate load by (27%) for the models burned at temperatures (450 ˚C).

SMALL EFFORT, BIG RESULTS: THROWING AND CATCHING ACTIVITIES USING PLASTIC BALL TO FOSTER CHILD'S KINESTHETIC ABILITY

The purpose of this study was to improve the kinesthetic ability of group A, Ria Pembangunan Kindergarten, Sentani, Jayapura through a throwing-catching game using the small plastic ball. This research uses the action research method. Participants were collected using purposive sampling by involving 12 children in group A. Kinesthetic ability is one aspect that plays an essential role in child development. In the first cycle, the results showed that the child's kinesthetic ability reached 49.30%, including throwing with one hand over the shoulder, reaching 45.83%, throwing with one hand below 52.08%, and catching the ball 50%. As for the second cycle, it increased to 82.64%, including throwing with one hand over the shoulder, reaching 81.22%, throwing with one hand below, reaching 85.42%, and the aspect of catching the ball reaches 83.33%. Thus, the results showed that throwing-catching games using small plastic balls could improve the kinesthetic ability of group A at Ria Pembangunan Sentani Kindergarten, Jayapura Regency, Papua.

Meningkatkan Hasil Belajar Lay Up Shoot Pada Permainan Bola Basket Melalui Pembelajaran Yang Dimodifikasi Menggunakan Bola Plastik Pada Siswa Sma Negeri 2 Makassar

This study aims to determine the increase in lay ap shoot learning outcomes through the use of modified media in class XI students of SMA Negeri 2 Makassar in 2019/2020. From the results of the preliminary data (pre-test) that has been done, it shows that the students' ability in performing the lay-up movement technique is still low and this has an impact on student learning outcomes.This study uses the action research (PTK) method which can be analyzed. In this case the researcher analyzes the data by reducing the data and presenting the data in tabular form, so that the average value and percentage of learning completeness can be found. The subjects of this study were 20 students of class XI IPA at SMA Negeri 2 Makassar in 2019/2020, including 12 male students and 8 female students.The results of the research in the first cycle showed that the learning outcomes of the lay-up shoot were (41%) students who completed their studies, and (59%) students who did not complete their studies. The overall student learning outcomes in doing the lay-up shoot technique in the first cycle reached (58.82%). In cycle II shows that the learning outcomes of the lay-up shot, namely (88%) students who complete their learning, and (12%) students who do not complete their learning and overall student learning outcomes in doing the lay-up shoot technique in cycle II reach (88 , 23%).This study concludes that the use of plastic ball modification media can provide a very large and significant contribution to the learning outcomes of shoot lay-up in class XI class students of SMA Negeri 2 Makassar in 2019/2020.

OPTIMIZATION OF THE LAY UP SHOOT LEARNING RESULTS IN BASKETBALL GAME THROUGH MODIFIED LEARNING USING PLASTIC BALLS IN XI CLASS STUDENTS PRIVATE VOCATIONAL SCHOOL OF PAB 6 MEDAN YEAR 2018/2019 AJARAN

This study aims to determine the increase in lay ap shoot learning outcomes through the use of modified media in class XI students of PAB 6 Medan Private High School in 2018/2019. From the results of the preliminary data (pre-test) that has been done, it shows that the students' ability to do the lay-up technique is still low and this has an impact on student learning outcomes. This research uses Classroom Action Research (CAR) which can be analyzed. In this case the researcher analyzes the data by reducing the data and presenting the data in table form, so that the average grade and the percentage of learning completeness can be found. The samples in this study were students of class XI IPS SMA Private PAB 6 Medan in 2018/2019, totaling 17 people. , consisting of 3 male students and 14 female students. The results of the research in the first cycle showed that the learning outcomes of the lay-up shoot were (41%) students who completed their studies, and (59%) students who did not complete their studies. Overall student learning outcomes in doing the lay-up shoot technique in the first cycle reached (58.82%). In cycle II shows that the learning outcomes of the lay-up shot, namely (88%) students who complete their learning, and (12%) students who do not complete their learning and overall student learning outcomes in doing the lay-up shoot technique in cycle II reach (88 , 23%). This study concludes that the use of plastic ball modification media can provide a very large and significant contribution to the learning outcomes of shoot lay-ups in class XI IPS class students of PAB 6 Medan Private High School in 2018/2019.

An Elasto-Plastic Ball Bearing Contact with Bilinear Hardening

This study is an analytical evaluation of contact and wear on ball bearings using the finite element method. Ball bearings are used in various sectors, such as in the automobile, turbine and aircraft engine industries, to reduce rotational friction and support radial loads. Nevertheless, ball bearings often experience failure due to wear as a consequence of contact pressure. The contact between the ball bearing components will affect the surface of the balls, and the inner and outer rings. Therefore, the main objective of this study was to examine the stress distribution and elasto-plastic deformation in order to analyse the contact between the ball bearing components. Most of the existing contact and wear models for ball bearings only take into account the elastic model. However, an analytical evaluation of contact and wear using an elastic model, while ignoring plastic deformation, is inaccurate. In this study, a contact analysis was performed using elasto-plastic models of a ball bearing, and the results were validated using data from a previous research. Boundary loads of between 100 N to 800 N were applied and plasticity values of 550 MPa, 1050 MPa, 1550 MPa and 2050 MPa were used to analyse the contact behaviour. As the boundary load increased, the maximum contact pressure and displacement of the ball bearing increased. As the plasticity, E2 rose higher, the maximum plastic strain was lowered proportionally.

Meningkatkan Keterampilan Menendang Bola pada Permainan Sepakbola melalui Modifikasi Alat Bantu Bola Pelastik pada Murid Kelas V SD Inpres Panggentungan Utara Kabupaten Gowa

Improving Kicking Ball Skills in Soccer Games through Modification of Plastic Ball Aids in Class V Elementary School Students North Panggentungan Gowa RegencyThis study aims to describe the planning, action, reflection, observation and the application of the modification of ballistic aids in improving ball kicking skills in the soccer game for the fifth grader student of north panggentungan elementary school, Gowa Regency. This research is a Class Action Research (CAR) that conducted 3 times in cycle I and cycle II meetings. The data of this research is the skill of the research is the skill of kicking ball in soccer games. The source of the research data is the 5th grader students of the north panggentunagn elementary school in Gowa Regency. The collected data was analyzed deskriptive quantitatively. The result of the quantitative analysis of the kicking ball skill data showd that the number of students who completed in cycle I was 20 students with a percentage of 66,67% and the number of students who completed cycle II was 30 students with a percentage of 100%. Qualitative analysys result showed that there was a significant increasing in kicking ball skills at soccer games. Based on the results of the study, it can be concluded that the study, it can be concluded that the physical education learning through the midification of plastic ball aidscan improve ball kicking skills in soccer games for 5th grader students of north panggentungan elementary school, Gowa Regency.. Keywords: Kicking ball, Plastic ball, Kicking skill, Soccer, Modification Penelitian ini bertujuan mendeskripsikan perencanaan, tindakan, observasi refleksi dan penerapan Modifikasi alat bantu bola pelastik dalam Meningkatkan Keterampilan Menendang Bola pada Permainan Sepakbola Murid Kelas V SD Inpres Panggentungan Utara Kabupaten Gowa.Penelitian ini merupakan Penelitian Tindakan Kelas yang dilaksanakan sebanyak 3 kali Pertemuan Siklus I dan Siklus II. Data Penelitian ini adalah Keterampilan Menendang Bola pada Permainan Sepakbola. Sumber data Penelitian adalah Murid Kelas V SD Inpres Panggentungan Utara Kabupaten Gowa yang berjumlah 24 orang. Data yang terkumpul dianalisis secara Deskriptif Kuantitatif. Hasil analisis Kuantitatif data Keterampilan Menendang Bola menunjukkan bahwa jumlah Murid yang tuntas pada Siklus I adalah 20 orang dengan persentase 66,67% dan jumlah murid yang tuntas pada Siklus II adalah 30 orang dengan persentase 100%. Hasil analisis Kualitatif menunjukkan bahwa terdapat peningkatan Keterampilan Menendang Bola pada Permainan Sepakbola yang signifikan. Berdasarkan Hasil penelitian dapat disimpulkan bahwa pembelajaran penjas melalui Modifikasi alat bantu bola pelastik dapat Meningkatkan Keterampilan Menendang Bola pada Permainan Sepakbola Murid Kelas V SD Inpres Panggentungan Utara Kabupaten Gowa.Kata kunci: Menendang bola, Bola pelastik, Keterampilan menendang, Sepakbola, modifikasi

Penggunaan Media Modifikasi Bola Plastik Berisi Pasir Untuk Meningkatkan Hasil Belajar Tolak Peluru Penjaskes Siswa Kelas X MIPA 3 SMA Negeri 2 Watampone

This study aims to determine the increase in learning outcomes Reject bullet Physical Education Sports and Health through the use of plastic ball modification media filled with sand in class X MIPA 3 students of SMA Negeri 2 Watampone Bone Kabupten Bone. The subject of this research is Class X MIPA 3 of SMA Negeri 2 Watampone, Kabupaten Bone with 35 students. The action is carried out in two cycles, the collected data is then processed using quantitative and qualitative descriptive statistical analysis. Qualitatively the percentage of grade X MIPA 3 students in SMA Negeri 2 Watampone Bone District was actively involved in the learning process, increasing in all students of grade X MIPA 3 in SMA Negeri 2 Watampone Kabupaten Bone. From the results of the above analysis, it can be concluded that using modified media of plastic balls containing sand can increase the activity of the process and learning outcomes of shot putting in class X MIPA 3 SMA Negeri 2 Watampone Kabupaten Bone both quantitatively and qualitatively.