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Dongqing Wang, Xiaohua Yang, Shasha Zhang, Chi Chen and Yanhu Zhao
In order to study the long-term bearing capacity of concrete pile composite foundation in the Salt Lake area, based on the Tehran Isfahan high-speed railway project in Iran, the full (semi) immersion drying test and rapid freeze-thaw test was carried out...
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Guohui Zhang, Xinlan Ni, Xiong Wei, Zhendong Yang and Yanshuang Gu
Saturated concrete is significantly different from dry concrete in fracture mechanical properties. Using the wedge-splitting tensile method to research the rule of change in moisture content, double-K fracture toughness and fracture energy of three stren...
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Baitollah Badarloo and Petr Lehner
The research presented here demonstrates the practical aspects of the numerical correlation of the results of the compressive strength test. The destructive test (DT) in a hydraulic press and the non-destructive test (NDT) using a Schmidt hammer in sever...
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Musumba Batondo and Josine Uwilingiye
During the past two decades, financial markets across the globe have experienced sporadic waves of crashes. Such waves raise concerns about the vulnerability of global financial markets and the transmission mechanisms of shocks beyond borders. The curren...
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Katleho Makatjane and Tshepiso Tsoku
This study aims to overcome the problem of dimensionality, accurate estimation, and forecasting Value-at-Risk (VaR) and Expected Shortfall (ES) uncertainty intervals in high frequency data. A Bayesian bootstrapping and backtest density forecasts, which a...
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Hira Aftab and A. B. M. Rabiul Alam Beg
The presence of risk premium is an issue that weakens the rational expectation hypothesis. This paper investigates changing behavior of time varying risk premium for holding 10 year maturity bond using a bivariate VARMA-DBEKK-AGARCH-M model. The model al...
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O. S. EDORI, E. S. EDORI
Pág. Page:12 - 21Abstract
Samples were collected from the water and sediment columns of the Orashi River from December 2019 to June 2020 at intervals of two months and then analyzed for the concentration of total petroleum hydrocarbons and the origin of the petroleum hydrocarbons...
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Vasyl Karpiuk,Alina Tselikova,Artur Khudobych,Irina Karpiuk,Anatoly Kostyuk
Pág. 42 - 53
Experimental data of strength, deformability, and crack resistance of 2,000×200×100 mm reinforced concrete and basalt-concrete beams are given. Longitudinal reinforcement consisted of 2 Ø14 A500C for reinforced concrete beams and 2 Ø14 BFRP (AKB800)...
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Greg Ekpung Edame,Okoiarikpo Benjamin Okoi
Pág. 748 - 752
The recent criticism of poor fiscal performance levelled against the democratic regimes in Nigeria has resulted in questions being asked as to the soundness of the acclaim which heralded its advent. Such questions generally focus on the growth impacts of...
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Stavros Degiannakis
The paper provides probability estimates of the state of the GDP growth. A regime-switching model defines the probability of the Greek GDP being in boom or recession. Then probit models extract the predictive information of a set of explanatory (economic...
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