3,647 Result(s)
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Article
Open AccessEvolution of Long-Term Load Reduction Using Borrowed Soil
The effectiveness of load-reduction techniques often diminishes due to creep behavior observed in geomaterials, as loess backfill is used, the load reduction rate of high-filled cut-and-cover tunnels (HFCCTs) ...
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Article
Influence of Cathode Materials on the Characteristics of Lithium-Ion Battery Gas Generation During Thermal Runaway
Gas generation of Lithium-ion batteries(LIB) during the process of thermal runaway (TR), is the key factor that causes battery fire and explosion. Thus, the TR experiments of two types of 18,650 LIB using LiFe...
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Article
Topology Optimization and 3D Printing of Steel Joints by SJ-BESO and FDM Method
The problems of low computational efficiency and checkerboard phenomenon in optimizing steel joints with the bi-directional evolutionary structural optimization (BESO) method are intractable, which usually lea...
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Article
Deformation prediction during the construction of segmental bridges based on GA-SMO-SVM algorithm: an example of CFST arch bridge
Limited research has been undertaken on the extant optimization models pertaining to the prediction of arch deformation in the course of erecting long-span concrete-filled steel tube (CFST) arch bridges. Moreo...
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Article
Effect of supercritical CO2 carbonation parameters on heavy metal solidification and environmental stability of coal fly ash
Fly ash carbonation is an effective method to achieve carbon reduction and stabilize the heavy metals. Supercritical CO2 can facilitate the carbonation process due to its strong diffusivity, but the effect of par...
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Article
Smoke Control Strategy and Design Criterion in Tunnel Fire Hazards Using Point Extraction Ventilation: Experimental Analysis and Theoretical Modeling
The hot and toxic smoke is a major reason for deaths and injuries in tunnel fire hazards, therefore, it is of vital importance for safe evacuation to effectively control the smoke. This paper proposed a smoke ...
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Article
Numerical analysis on seismic response and failure mechanism of articulated pile–structure system in a liquefiable site from shaking-table experiments
This study investigates the seismic response and failure mode of a pile–structure system in a liquefiable site by employing a numerical simulation model combined with the shaking-table results of a soil–pile–s...
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Article
Design parameter optimization method for a prestressed steel structure driven by multi-factor coupling
To achieve efficient structural design, it is crucial to reduce the cost of materials while ensuring structural safety. This study proposes an optimization method for design parameters (DPs) in a prestressed s...
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Article
Geometric quality evaluation of three-dimensional printable concrete using computational fluid dynamics
The importance of geometrical control of three dimensional (3D) printable concrete without the support of formwork is widely acknowledged. In this study, a numerical model based on computational fluid dynamics...
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Article
Effect of Agglomerate Size on Engineering Characteristics of Expansive Soil Improved by Industrial Waste Residue
The precise controlling of agglomerate dimensions within binder-treated soil remains a challenge in embankment projects. This investigation endeavors to elucidate the influence of aggregate size on key paramet...
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Article
The Performance Analysis of Ordinary Portland Cement-Sulfoaluminate Cement Structural Repair Reinforced Materials Compounded with Metakaolin
This work studies the mechanical properties and durability of the ordinary Portland cement (OPC) and sulfoaluminate cement (SAC) binary system incorporated with metakaolin. Several tests are carried out to inv...
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Article
Effect of ultrasonic rolling on the fatigue performance of laser-welded TC4 titanium alloy joints
To improve the fatigue performance of laser-welded TC4 titanium alloy joints, ultrasonic rolling processing (USRP) is employed herein. Multiple passes of USRP (viz., one, three, and five) are conducted using a...
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Article
Dynamic Response and Fatigue Damage of Asphalt Pavement Under Multiple Coupling Factors
Asphalt pavement exhibits different dynamic responses to vehicle loading in different conditions. It is essential to conduct field full-scale tests to systematically investigate the comprehensive influence of ...
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Article
Real-time detection of construction and demolition waste impurities using the improved YOLO-V7 network
Construction and demolition waste accounts for a considerable part of the total waste flow of the city. The most common way to recycle it is to make it into recycled aggregate. In the process of recycling and ...
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Article
Erratum to: Crack Detection of the Urban Underground Utility Tunnel Based on Residual Feature Pyramid Attention Network
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Article
Required Active Earth Pressure for 3D ERSs Following a Modified Mohr-Coulomb Strength Criterion
Exploiting the linear Mohr-Coulomb strength criterion, the stability computation for earth retaining structures (ERSs) by estimating the active earth pressure has been mainly conducted by setting the plane str...
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Article
Predicting the Ultimate Load Capacity of Extradosed Cable-Stayed Bridges: A Novel Method
The ultimate load capacity of extradosed cable-stayed bridges (ECSB) is the basis for structural design and bridge management. The ECSB is a new combination system of both cable- stayed bridges (CSB) and multi...
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Article
Aerodynamic Effect Associated with Tunnel Length
Aerodynamic pressure is one of the important elements impacting the degradation of service performance of high-speed railways. Aerodynamic characteristics produced by high-speed train associated with tunnel le...
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Article
Effect of Initial Water Content and Dry Density on the Water Movement of the Compacted Bentonite
Concerning the geological disposal of high-level radioactive waste (HLW), understanding the water movement within compacted bentonite buffer material is essential for ensuring containment stability. This study...
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Article
Analysis of a cracked harmonic substrate under a rigid punch
The study of the mechanical action between a punch and a cracked substrate has some theoretical guidance for the material protection. So the coupling problem of a cracked semi-infinite harmonic substrate under...
