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All Journal Jurnal Teknik Sipil USU Asian Journal of Early Childhood and Elementary Education
Vivi Angraini
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Civil Engineering, Building, Construction & Architecture Education Languange, Linguistic, Communication & Media Social Sciences

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PERILAKU BALOK KOMPOSIT KAYU PANGGOH – BETON DENGAN DIISI KAYU PANGGOH DI DALAM BALOK BETON Vivi Angraini
Jurnal Teknik Sipil USU Vol 2, No 2 (2013): JURNAL TEKNIK SIPIL USU VOLUME 2 NO 2 TAHUN 2013
Publisher : Jurnal Teknik Sipil USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (254.839 KB)

Abstract

ABSTRAK Penelitian ini mengenai komposit balok kayu – beton, dimana kayu digunakan sebagai penambah kekuatan tarik didalam beton. Kayu yang digunakan adalah kayu panggoh karena sifatnya yang keras dan memiliki kuat tekan, tarik dan elastisitas yang tinggi. Perencanaan balok komposit didesain dengan metode kuat batas (ultimate strength design). Kayu panggoh berukuran 5 cm x 5 cm, mutu beton K225, dimensi balok 18 cm x 30 cm dan menggunakan paku beton 4 inci sebagai penghubung geser. Panjang bentang balok adalah 3 m dan dibuat 2 sampel, sebagai komposit dan sebagai balok beton bertulang. Dari hasil pengujian diperoleh beban runtuh balok komposit adalah 14 Ton dan beban runtuh balok beton bertulangan minimum adalah 6 Ton. Secara teoritis beban runtuh balok komposit adalah 14,5 Ton. Perbedaan kekuatan antara balok komposit kayu panggoh – beton bertulangan baja minimum dengan balok bertulangan baja minimum tanpa kayu adalah sebesar 8 Ton. Dari hasil penelitian ini diharapkan kayu panggoh dapat digunakan sebagai penambah kuat tarik balok beton. Kata kunci: Komposit Kayu Panggoh – Beton, Kayu sebagai Kuat Tarik.
Pengaruh Media Busy Board terhadap Perkembangan Motorik Halus Anak di TK Iqra’ Tunggul Hitam Padang Afriani, Afni; Angraini, Vivi
Asian Journal of Early Childhood and Elementary Education Vol 2 No 2 (2024): Asian Journal of Early Childhood and Elementary Education
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajecee.v2i2.2910

Abstract

Fine motor skills are acquired through practice and education. Defined as precision movements that use small muscles or specific body parts. From observations made at Iqra' Kindergarten, it can be seen that children's fine motor development is still lacking. The aim of this research is to evaluate the extent to which busy board media can help kindergarten students at TK Iqra' ANGKAL Hitam Padang in developing their fine motor skills. This research stands out for its emphasis on quantitative elements and using an experimental research approach. The researchers used word and action assessments to collect data. To test the data, homogeneity and normality checks were carried out. The average score of the experimental class was 14.17, while the control group's score was 12.75, based on research findings before and after the test. The significance level of 0.05 is somewhat exceeded by the two-sided p value of 0.009. As a result, we can say that the difference between the experimental group and the control group is statistically significant. As a result, there were striking differences between the experimental group and the control group. Thus, it can be concluded that the null hypothesis (Ho) is refuted and the alternative hypothesis (Ha) is validated. The results showed that there were significant differences in the fine motor skills of experimental and control group children aged 5-6 years. This shows that the Media Busy Board is an effective way to help teenagers in this age range improve their fine motor skills.
Co-Authors Afriani, Afni