PERBANDINGAN POLA KERETAKAN BATA SEPABLOCK, BATA RINGAN, DAN H BRICK BERDASARKAN PENGUJIAN LABORATORIUM

ALFANDI ZIQRI, . (2026) PERBANDINGAN POLA KERETAKAN BATA SEPABLOCK, BATA RINGAN, DAN H BRICK BERDASARKAN PENGUJIAN LABORATORIUM. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan membandingkan pola keretakan bata Sepablock, bata ringan, dan H Brick melalui uji tekan laboratorium pada benda uji kubus berukuran 5x5x5 cm. Metode yang digunakan adalah eksperimen komparatif. Setiap material diuji sebanyak lima sampel, nilai kuat tekan dihitung dari beban maksimum dibagi luas penampang, dan dilakukan pengamatan visual untuk mencatat retak awal, arah perambatan retak, serta mode kerusakan akhir seperti splitting vertikal, shear diagonal, dan crushing atau spalling pada zona kontak. Hasil pengujian menunjukkan perbedaan kapasitas tekan yang tegas. Sepablock memiliki kuat tekan rata rata tertinggi sekitar 12,32 N/mm², H Brick berada di tingkat menengah sekitar 2,78 N/mm², sedangkan bata ringan terendah sekitar 1,05 N/mm². Terdapat perbedaan pola keretakan tiap bata, untuk Sepablock cenderung mengalami retak vertikal dominan dengan kerusakan ujung relatif terkendali, bata ringan dominan remuk dan spalling sehingga retak panjang sering sekunder, sementara H Brick menunjukkan karakter transisi dengan splitting dominan namun lebih sering disertai remuk lokal dan sesekali retak diagonal. ***** This study aims to compare cracking patterns of Sepablock, lightweight brick, and H Brick based on laboratory compressive tests using 5x5x5 cm cube specimens. A comparative experimental approach was applied. Five specimens were tested for each material, compressive strength was calculated as maximum load divided by loaded area, and visual observations recorded crack initiation, crack propagation, and final failure modes including vertical splitting, diagonal shear, and contact zone crushing or spalling. The test results reveal a clear hierarchy in compressive capacity. Sepablock shows the highest average strength at about 12.32 N/mm², H Brick is moderate at about 2.78 N/mm², and , lightweight brick presents the lowest value at about 1.05 N/mm². These differences align with distinct failure mechanisms. There are differences in crack patterns for each brick, for Sepablock it tends to experience dominant vertical cracks with relatively controlled end damage, lightweight bricks are predominantly crushed and spalled so that long cracks are often secondary, while H Brick shows a transitional character with dominant splitting but more often accompanied by local crushing and sometimes diagonal cracks.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Anisah, M.T. ; 2). Dr. Muhammad Agphin Ramadhan, M.Pd.
Subjects:	Teknologi dan Ilmu Terapan > Teknik Sipil
Divisions:	FT > S1 Pendidikan Teknik Bangunan
Depositing User:	Alfandi Ziqri .
Date Deposited:	09 Feb 2026 07:56
Last Modified:	09 Feb 2026 07:56
URI:	http://repository.unj.ac.id/id/eprint/65108

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