Results 1 to 10 of about 28,075 (149)

Experimental Study of Interference Effects of a High-Rise Building on the Snow Load on a Low-Rise Building with a Flat Roof

open access: yesApplied Sciences, 2021
To explore the interference effects of a high-rise building on the snow load on a low-rise building with a flat roof, a series of wind tunnel tests were carried out with fine silica sand as a substitute for snow particles.
Qingwen Zhang   +5 more
doaj   +1 more source

CFD Simulations of Snowdrifts on a Gable Roof: Impacts of Wind Velocity and Snowfall Intensity

open access: yesBuildings, 2022
Roof structures are suffering serious threats caused by unbalanced snow distribution, especially long-span spatial structures, such as gable roofs. The formation of unbalanced snowdrifts on the gable roof is affected by the meteorological condition and ...
Guolong Zhang   +6 more
doaj   +1 more source

An Efficient Nonstandard Finite Difference Scheme for Chaotic Fractional-Order Chen System

open access: yesIEEE Access, 2020
In this paper, an efficient nonstandard finite difference scheme for the numerical solution of chaotic fractional-order Chen system is developed. In the new method, an appropriate nonlocal framework in conjunction with the Grünwald-Letnikov ...
Beijia Wang, Liang Li, Yaowu Wang
doaj   +1 more source

Design and Validation of Android Smartphone Based Wireless Structural Vibration Monitoring System

open access: yesSensors, 2020
Vibration monitoring is one of crucial functions of structural health monitoring (SHM) systems. Traditional structural vibration monitoring usually relies on specialized sensors, data transmission and acquisition equipment, which are expensive and may ...
Dongyu Zhang, Jiadong Tian, Hui Li
doaj   +1 more source

Mechanical and Water Uptake Properties of Epoxy Nanocomposites with Surfactant-Modified Functionalized Multiwalled Carbon Nanotubes

open access: yesNanomaterials, 2021
The superior mechanical properties of multi-walled carbon nanotubes (MWCNTs) play a significant role in the improvement of the mechanical and thermal stability of an epoxy matrix.
Arya Uthaman   +4 more
doaj   +1 more source

Strength and Damping Properties of Cementitious Composites Incorporating Original and Alkali Treated Flax Fibers

open access: yesApplied Sciences, 2019
This experimental investigation focused on the mechanical and damping properties of raw and alkali treated flax fibers reinforced cementitious composites.
Pengfei Lai   +4 more
doaj   +1 more source

A Brief Method for Rapid Seismic Damage Prediction of Buildings Based on Structural Strength

open access: yesBuildings, 2022
Rapid prediction of the post-earthquake structural damage to a region is of great importance to community relief and rescue. Detailed information on buildings in earthquake disaster areas is commonly inaccessible in the aftermath of an earthquake ...
Siwei Zhang, Yide Liu, Shuang Li
doaj   +1 more source

A Framework to Assess the Seismic Resilience of Urban Hospitals

open access: yesAdvances in Civil Engineering, 2019
The phenomenon of hospital functional interruption has been widely observed in the historical moderate-strong earthquakes, indicating that hospital functionality cannot be well considered in the current seismic design methods.
Peng Yu   +4 more
doaj   +1 more source

Behaviour of a Sacrificial Cladding with Foam Concrete-Filled Square Tubes under Impact Loads

open access: yesBuildings, 2023
In this paper, a new sacrificial cladding with foam concrete-filled square tubes (FCFST sacrificial cladding) was developed for dissipating impact energy.
Liquan Gu, Yonghui Wang, Ximei Zhai
doaj   +1 more source

Grafting ramie fiber with carbon nanotube and its effect on the mechanical and interfacial properties of ramie/epoxy composites

open access: yesJournal of Natural Fibers, 2019
Multiwalled carbon nanotubes were grafted to ramie fiber through a silane coupling agent, and its effect on the mechanical and interfacial properties of ramie/epoxy composite was studied.
Anna Dilfi K. F., Zijin Che, Guijun Xian
doaj   +1 more source

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