Durabilitas ozon termal karet rekonstruksi ban bekas untuk isolasi seismik dengan retensi sifat mekanik

DETAIL KOLEKSI

Durabilitas ozon termal karet rekonstruksi ban bekas untuk isolasi seismik dengan retensi sifat mekanik

Oleh : Fadel Naufal Hidayat

Info Katalog

Penerbit : FTSP - Usakti

Kota Terbit : Jakarta

Tahun Terbit : 2026

Kata Kunci : reconstructed used-tire rubber, crumb rubber tire, seismic isolation, ozone aging, thermal aging, m

Status Posting : Published

Status : Lengkap

File Repositori

No.	Nama File	Hal.
1.	2026_SK_STS_051001900031_Halaman-Judul.pdf	13
2.	2026_SK_STS_051001900031_Surat-Pernyataan-Revisi-Terakhir.pdf	1
3.	2026_SK_STS_051001900031_Surat-Hasil-Similaritas.pdf	1
4.	2026_SK_STS_051001900031_Halaman-Pernyataan-Persetujuan-Publikasi-Tugas-Akhir-untuk-Kepentingan-Akademis.pdf	1
5.	2026_SK_STS_051001900031_Lembar-Pengesahan.pdf	1
6.	2026_SK_STS_051001900031_Pernyataan-Orisinalitas.pdf	1
7.	2026_SK_STS_051001900031_Formulir-Persetujuan-Publikasi-Karya-Ilmiah.pdf	1
8.	2026_SK_STS_051001900031_Bab-1.pdf	6
9.	2026_SK_STS_051001900031_Bab-2.pdf	20
10.	2026_SK_STS_051001900031_Bab-3.pdf	29
11.	2026_SK_STS_051001900031_Bab-4.pdf	17
12.	2026_SK_STS_051001900031_Bab-5.pdf	3
13.	2026_SK_STS_051001900031_Daftar-Pustaka.pdf	5
14.	2026_SK_STS_051001900031_Lampiran.pdf	4

Abstrak
Abstract

I Indonesia terletak pada pertemuan tiga lempeng tektonik aktif sehingga memilikirisiko gempa tinggi, mendesak kebutuhan sistem isolasi seismik berbasis karet.limbah ban bekas kendaraan yang terus meningkat juga menimbulkan masalahlingkungan karena bersifat non-degradable. penelitian ini bertujuan mengevaluasidurabilitas ozon termal karet rekonstruksi ban bekas (crumb rubber tire) sebagaimaterial isolasi seismik melalui pengujian retensi sifat mekanik. tiga formulasikompon karet alam (nr) disiapkan dengan variasi rasio carbon black n330terhadap crumb rubber tire, yaitu 100/0 (f0), 50/50 (f2), dan 0/100 (f4) phr.pengujian meliputi rheometer test, viskositas mooney, kuat tarik, perpanjanganputus, modulus, kekerasan, compression set, penuaan termal (astm d573-04,70Â°c, 72 jam), dan penuaan ozon (astm d1149-18, 50 pphm, 40Â°c, 24 jam). hasilviskositas mooney menunjukkan torsi maksimum menurun dari f0 (108,6 mu) kef2 (40,3 mu) hingga f4 (25,0 mu), yang mengindikasikan f0 memiliki kekerasandan modulus tertinggi sedangkan f4 paling lunak dan fleksibel. ketiga benda ujitidak menunjukkan retakan setelah penuaan ozon, membuktikan efektivitas sistemantiozon wax dan 6ppd. penuaan termal meningkatkan kekerasan (f0 dari 83 ke85, f2 dari 57 ke 63, f4 dari 45 ke 50 shore a) dan modulus seluruh benda ujiakibat post-curing; kuat tarik f0 menurun 6,15%, sedangkan f2 dan f4 meningkat1,12% dan 7,37%. perpanjangan putus menurun pada seluruh benda uji, terbesarpada f0 (21,42%) dan terkecil pada f4 (4,35%). nilai compression set f0, f2, danf4 berturut-turut 40,11%, 36,41%, dan 35,03%. secara keseluruhan, f4menunjukkan stabilitas sifat mekanik terbaik terhadap penuaan meskipun kekuatanawalnya terendah, sedangkan f0 merupakan benda uji yang paling terdampakproses penuaan. hasil ini menunjukkan bahwa crumb rubber tire berpotensimenggantikan carbon black sebagai bahan pengisi karet isolasi seismik denganbiaya lebih rendah, dengan catatan nilai compression set dan kuat tarik awal masihperlu dioptimalkan melalui variasi dosis formulasi lebih lanjut.

I Indonesia lies at the meeting point of three active tectonic plates, resulting in high seismic risk that urgently requires rubber-based seismic isolation systems. the ever-increasing waste of used vehicle tires also poses an environmental problem due to its non-degradable nature. this study aims to evaluate the ozone and thermal durability of reconstructed used-tire rubber (crumb rubber tire) as a seismic isolation material through mechanical property retention testing. three natural rubber (nr) compound formulations were prepared with varying ratios of carbon black n330 to crumb rubber tire, namely 100/0 (f0), 50/50 (f2), and 0/100 (f4)phr. testing included rheometer testing, mooney viscosity, tensile strength, elongation at break, modulus, hardness, compression set, thermal aging (astmd573-04, 70Â°c, 72 hours), and ozone aging (astm d1149-18, 50 pphm, 40Â°c, 24hours). mooney viscosity results showed maximum torque decreasing from f0(108.6 mu) to f2 (40.3 mu) to f4 (25.0 mu), indicating that f0 has the highesthardness and modulus while f4 is the softest and most flexible. none of the three specimens showed cracking after ozone aging, demonstrating the effectiveness of the antiozonant wax and 6ppd system. thermal aging increased the hardness (f0:83â†’85, f2: 57â†’63, f4: 45â†’50 shore a) and modulus of all specimens due to post-curing; tensile strength decreased by 6.15% for f0, while f2 and f4 increased by 1.12% and 7.37%, respectively. elongation at break decreased in all specimens, with the largest decrease in f0 (21.42%) and the smallest in f4 (4.35%).compression set values for f0, f2, and f4 were 40.11%, 36.41%, and 35.03%,respectively. overall, f4 showed the best stability of mechanical properties underaging despite having the lowest initial strength, while f0 was the most affected by the aging process. these findings indicate that crumb rubber tire has the potential to replace carbon black as a filler in seismic isolation rubber at lower cost, although its initial compression set and tensile strength still require further optimization through additional formulation dosage variations.