Results 11 to 20 of about 29,084 (316)

Effect of curing regimes on strength of magnesium silicate hydrate cement

open access: yesJournal of Materials Research and Technology, 2023
This study aimed to investigate the impact of different curing regimes on the strength of magnesium silicate hydrate cement (MSHC). The study employed various microscopic tests, including XRD, TG, SEM, and MIP, to analyze the underlying mechanisms.
Xiao Luo   +7 more
doaj   +1 more source

Optimal Sensor Placement for Spatial Structure Based on Importance Coefficient and Randomness

open access: yesShock and Vibration, 2018
The current methods of optimal sensor placement are majorly presented based on modal analysis theory, lacking the consideration of damage process of the structure.
Haoxiang He   +4 more
doaj   +1 more source

Signal Nonstationary Degree Evaluation Method Based on Moving Statistics Theory

open access: yesShock and Vibration, 2021
Nonstationary signal refers to the signal whose statistics change with time, and its nonstationary degree evaluation can provide effective support for the evaluation of the operating state of the signal source.
Haoxiang He, Shitao Cheng, Xiaofu Zhang
doaj   +1 more source

Integrating economic considerations with operational and embodied emissions into a decision support system for the optimal ranking of building retrofit options [PDF]

open access: yes, 2014
In the UK, 87% of dwellings and 60% of non-domestic buildings that will be standing in 2050 have already been built. Therefore, the greatest energy savings and emissions reductions will be achieved through retrofit of existing buildings.
Greenough, R. M.   +8 more
core   +1 more source

Optimization and Damping Performance of a Coal-Fired Power Plant Building Equipped with Multiple Coal Bucket Dampers

open access: yesAdvances in Civil Engineering, 2018
A parameter optimization design method is proposed for multiple coal bucket dampers (CBDs) to reduce the seismic response of coal-fired power plants. To test the damping effect of the optimized CBDs, a 1 : 30 scale shaking table test model of a power ...
Ling-Yun Peng   +3 more
doaj   +1 more source

Impact of Measurement Uncertainty on Building Modeling and Retrofitting Decisions

open access: yesFrontiers in Built Environment, 2021
Retrofitting buildings is essential for improving the existing global building stock. Innovations in wireless sensor networks have provided new means for scalable and potentially low-cost solutions for evaluating optimal retrofit measures in a building ...
Mario Frei   +4 more
doaj   +1 more source

Generation of Uniform Hazard Spectrum Based on the Stochastic Method of Simulating Ground Motion and Its Use in Nuclear Power Plants

open access: yesAdvances in Civil Engineering, 2018
To obtain an accurate uniform hazard spectrum (UHS), this paper proposes combining a stochastic simulation with probabilistic seismic hazard analysis.
Xueming Zhang   +4 more
doaj   +1 more source

Experimental Research on Seismic Performance of Masonry-Infilled RC Frames Retrofitted by Using Fabric-Reinforced Cementitious Matrix Under In-Plane Cyclic Loading

open access: yesInternational Journal of Concrete Structures and Materials, 2023
Fabric-reinforced cementitious matrix (FRCM) composites, also known as textile-reinforced mortars (TRMs), represent a new advancement in structural repair and reinforcement technology.
Fayu Wang
doaj   +1 more source

Mechanical Performance and Design Method of Improved Lead Shear Damper with Long Stroke

open access: yesShock and Vibration, 2018
The paper presents experimental study on an improved plate lead shear damper with long stroke (ILSD-LS) which is developed to meet the engineering requirements for high-rise structures with long periods subjected to the long-period earthquakes.
Baoshun Wang, Weiming Yan, Haoxiang He
doaj   +1 more source

Guidance Document for Retrofitting Diesel-Powered School Buses [PDF]

open access: yes, 2008
This document provides general guidance to assist school bus owners in complying with the requirements established in the Diesel Retrofit Program rules at N.J.A.C. 7:27-32 et seq. The Diesel Retrofit Law (N.J.S.A.

core   +1 more source

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