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All Journal JURNAL CRANKSHAFT Cities and Urban Development Journal
Triwiyanto, Askar
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Arts Control & Systems Engineering Economics, Econometrics & Finance Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation

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Analisa Hasil Sambungan Las ( Pipa STKM 13B Dan Plat SPH 440) Dengan Pengujian Tarik dan Photomacro Fikri, Luqman; Simamora, Yulianto; Priyadi, Muhammad Untung Zaenal; Saleh, Yasya Khalif Perdana; Zaenudin, Mohammad; Mulyono, Sidik; Gamayel, Adhes; Triwiyanto, Askar; Jujur, I nyoman
JURNAL CRANKSHAFT Vol 7, No 2 (2024): Jurnal Crankshaft Vol.7 No.2 (2024)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v7i2.12657

Abstract

ABSTRACTGMAW (Gas Metal Arc Welding) is a fast, versatile welding technique that can be used in various positions, but it often results porosity in welded joints.This research aims to analysis of the welded joints of STKM13B pipe and SPD 440 plate using tensile and micro testing, using welding a current of 18 and varying voltages of 110, 130, and 150. The results is the shape of the welded joint of the plate and pipe is perfectly connected, the tensile test results showed that the ultimate strength values for specimen 1, 2, 3 (A110/V18, A130/V18, A150/V18) were (18,959, 27,886, 40,005 N) respectively. The highest ultimate strength values were obtained from the specimens (A150/V18) while the lowest ultimate strength value was obtained from specimen (A110/V18). The use of welding current strongly correlates with ultimate strength value and photomacro results, with higher currents resulting in higher density levels, minimizing porosity, and increasing ultimate strength. Keywords: GMAW Welding, Tensile Test, Macro Optical Test. 
Analysis of Investment Interest of Jakarta’s Business Actors to Invest at the National Capital of Nusantara Purnama, Suryadi Jaya; Triwiyanto, Askar; Chotib, Chotib
Cities and Urban Development Journal Vol. 2, No. 1
Publisher : UI Scholars Hub

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Abstract

Background: The existence of opportunities for business actors to invest must be balanced with incentive policies to provide an attraction for business actors to invest in the new national capital so that they can create new jobs so that economic recovery occurs while increasing Gross Regional Domestic Product (GRDP). Aims: This research was conducted in Jakarta and its surroundings and aims to analyze the development of investment interest and the factors that influence the business world in investing in The Capital City of Nusantara. Methods: This research was carried out using path analysis using multiple linear regression techniques using data processing based on SPSS 26 software and comparing it with the Partial Least Square (PLS) model. Results: Hypothesis testing shows consistent results that political, economic, environmental factors as well as trust factors have an appropriate and significant relationship with investment interest in The Capital City of Nusantara. Meanwhile, government policy factors and social factors do not have a significant relationship with investment interest in The Capital City of Nusantara. political, government policy, social, economic and environmental factors have a significant positive relationship with trust. The Sobel test shows that the trust variable is an intervening factor in the influence of economic, government policy, environmental and social variables on investment interest. Conclusion: Evaluation and analysis of laws and regulations related to moving the country's capital need to be the next research that will complement this research.
Co-Authors Adhes Gamayel Chotib, Chotib Fikri, Luqman I Nyoman Jujur Muhammad Untung Zaenal Priyadi mulyono, Sidik Simamora, Yulianto Suryadi Jaya Purnama Yasya Khalif Perdana Saleh Zaenudin, Mohammad