Frontiers of Architecture and Civil Engineering in China
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Optimization of polyurethane-bonded thin overlay mixture designation for airport pavement
Frontiers of Architecture and Civil Engineering in China - Tập 16 - Trang 947-961 - 2022
This research explored the application potential of PUM thin-overlay technology on airport rapid maintenance. The rapid curing process of polyurethane binder determines the limited time window for mixing and construction of polyurethane-bonded mixture (PUM), which presents significant difference with hot-mix asphalt (HMA) technology. Therefore, this research investigated and optimized the mix desi......
Novel sensing techniques for full-scale testing of civil structures
Frontiers of Architecture and Civil Engineering in China - Tập 6 - Trang 240-256 - 2012
Performing full-scale structural testing is an important methodology for researchers and engineers in the civil engineering industry. Full scale testing helps the researchers understand civil infrastructures’ loading scenarios, behaviors, and health conditions. It helps the engineers verify, polish, and simplify the structural design and analysis theories. To conduct a full-scale structural testin......
A novel structural modification to eliminate the early coupling between bending and torsional mode shapes in a cable stayed bridge
Frontiers of Architecture and Civil Engineering in China - Tập 11 - Trang 131-142 - 2017
In this paper, a novel structural modification approach has been adopted to eliminate the early coupling between the bending and torsional mode shapes of vibrations for a cable stayed bridge model generated using ABAQUS software. Two lateral steel beams are added to the middle span of the structure. Frequency analysis is dedicated to obtain the natural frequencies of the first eight mode shapes of......
Displacement and force analyses of piles in the pile-caisson composite structure under eccentric inclined loading considering different stratum features
Frontiers of Architecture and Civil Engineering in China - - Trang 1-18 - 2023
A novel anchorage for long-span suspension bridges, called pile-caisson composite structures, was recently proposed by the authors in an attempt to reduce the construction period and costs. This study aims to investigate the displacement and force behavior of piles in a pile-caisson composite structure under eccentric inclined loading considering different stratum features. To this end, both 1g mo......
Time- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced cemented paste backfill
Frontiers of Architecture and Civil Engineering in China - Tập 15 - Trang 1025-1037 - 2021
The understanding of compressive and tensile behaviors of polypropylene fiber-reinforced cemented paste backfill (FR-CPB) play crucial roles in the successful implementation of reinforcement technique in underground mine backfilling operations. However, very limited studies have been performed to gain insight into the evolution of compressive and tensile behaviors and associated mechanical propert......
Buffer capacity of granular matter to impact of spherical projectile based on discrete element method
Frontiers of Architecture and Civil Engineering in China - Tập 7 - Trang 50-54 - 2013
Granular matter possesses impact-absorbing property due to its energy dissipation character. To investigate the impact-absorbing capacity of granular matter, the discrete element method (DEM) is adopted to simulate the impact of a spherical projectile on to a granular bed. The dynamic responses of the projectile are obtained for both thin and thick granular bed. The penetration depth of the projec......
Typical diseases of a long-span concrete-filled steel tubular arch bridge and their effects on vehicle-induced dynamic response
Frontiers of Architecture and Civil Engineering in China - Tập 14 - Trang 867-887 - 2020
A long-span concrete-filled steel tubular (CFST) arch bridge suffers severe vehicle-induced dynamic responses during its service life. However, few quantitative studies have been reported on the typical diseases suffered by such bridges and their effects on vehicle-induced dynamic response. Thus, a series of field tests and theoretical analyses were conducted to study the effects of typical diseas......
Accounting for the uncertainties in the estimation of average shear wave velocity using VS-N correlations
Frontiers of Architecture and Civil Engineering in China - Tập 15 - Trang 1199-1208 - 2021
Site-specific seismic hazard analysis is crucial for designing earthquake resistance structures, particularly in seismically active regions. Shear wave velocity (VS) is a key parameter in such analysis, although the economy and other factors restrict its direct field measurement in many cases. Various VS-SPT-N correlations are routinely incorporated in seismic hazard analysis to estimate the value......
Stress-strain relationship of concrete in freeze-thaw environment
Frontiers of Architecture and Civil Engineering in China - Tập 2 - Trang 184-188 - 2008
Adopting the ASTM C666 quick freeze-thaw method, freeze-thaw tests with the number of freeze-thaw cycles being 0, 100, 150, 200, 250, and 300, were carried out on eighteen concrete prism specimens, the frost-resistant level of which, reaches D300 grade. The internal micro-structures of these specimens were observed by means of scanning electron microscopy (SEM) in order to detect damages caused by......
Challenges of high dam construction to computational mechanics
Frontiers of Architecture and Civil Engineering in China - Tập 1 - Trang 12-33 - 2007
The current situations and growing prospects of China’s hydro-power development and high dam construction are reviewed, giving emphasis to key issues for safety evaluation of large dams and hydro-power plants, especially those associated with application of state-of-the-art computational mechanics. These include but are not limited to: stress and stability analysis of dam foundations under externa......
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