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Determinan Tingkat Bagi Hasil Simpanan Deposito Mudharabah Kurniawan, Kurniawan; Pramono, Yohandi Yahya
Wiga : Jurnal Penelitian Ilmu Ekonomi Vol. 6 No. 2 (2016): September 2016
Publisher : Institut Teknologi dan Bisnis Widya Gama Lumajang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (683.325 KB) | DOI: 10.30741/wiga.v6i2.109

Abstract

This research was conducted to test the influence of variable Return On Asset (ROA), operating costs operating income (BOPO), and Financing to Deposit Ratio (FDR) against the level of sharing Mudharabah deposits. System for the results is the system where the ill-fated agreement or bond together in performing business activities for example deposits Mudharabah on Cooperative BMT Al-Ikhlash East of Lumajang in 2010 – 2013. As for the variables examined is ROA (X1), BOPO (X2), FDR (X3) against the level of sharing Mudharabah deposits. In this research the secondary method used in Cooperative BMT Al-Ikhlash East of Lumajang. This analysis data processing techniques include: Classic assumption test, test multiple regression analysis, hypothesis testing with partial tests (test t), simultaneous testing (test F). The test results showed that partially Return On Asset and Financing To Deposit effect significantly to levels of Mudharabah deposits for the results. Meanwhile, operating expenses and operating income do not affect significantly the level of terhadp for results of Mudharabah deposits. The test results indicate that the simultaneous Return On assets, Financing To Deposit and operating expenses and operating income results for the level of influence on Mudharabah deposits.
EFEK LARUTAN ASAM TERHADAP KUAT TEKAN MORTAR SEMEN Kurniawan, Kurniawan; Sultan, Mufti Amir; Tata, Arbain
STABILITA || Jurnal Ilmiah Teknik Sipil Vol 9, No 3 (2021): STABILITA || Jurnal Ilmiah Teknik Sipil
Publisher : Fakultas Teknik Jurusan Sipil Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/jts.v9i3.21896

Abstract

Di Indonesia, fenomena hujan asam sering terjadi dan mengakibatkan kerusakan pada struktur bangunan. Hujan asam membuat lapisan pada dinding bangunan mengalami kerusakan. Untuk itu, perlunya dilakukan pemodelan pada dinding dengan menggunakan mortar semen sebagai bahan pengikat. Penelitian ini bertujuan untuk memverifikasi efek dari larutan asam terhadap kuat tekan mortar semen. Benda uji yang digunakan berbentuk kubus dengan ukuran 5x5x5 cm mengacu pada SNI. Terdapat dua variasi mortar yaitu mortar dengan rendaman air tawar (MN) dan mortar dengan perendaman pada larutan asam sulfat 2% (MN-A), lama perendaman yaitu 60 dan 90 hari, setelah itu dilakukan pengujian kuat tekan. Hasil penelitian menunjukkan dengan perendaman pada larutan asam selama 90 hari mortar mengalami penurunan kuat tekan rata-rata sebesar 20,05% dibandingkan dengan mortar dengan perendaman air tawar.