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Showing 16 of 16 papers in Solid Mechanics

Analysis and Numerical Study of Stress Response of Graphite Reflectors in High-Temperature Gas-Cooled Reactors under High Temperature and Irradiation (Postprint)

Tianbao Lan
2025-11-01 ChinaXiv: chinaxiv-202511.00036 Mixed Source

The core components of High-Temperature Gas-cooled Reactors (HTGRs) are primarily composed of graphite materials. Under high temperature and irradiation, the mechanical properties of graphite materials undergo changes, which ultimately affect the load-bearing capacity of the core components. Therefo…

Post-print of Simulation Study on Eccentric Compression Performance of Reinforced Concrete Columns Based on Multiscale Homogenization

Li Weikang
2025-11-01 ChinaXiv: chinaxiv-202511.00038 Mixed Source

Based on equivalent homogenization theory, a multi-scale simulation study was conducted to investigate the influence of mesoscopic aggregate factors on the mechanical behavior of reinforced concrete (RC) columns under eccentric compression. This was achieved by establishing both mesoscopic numerical…

Post-print of Research on the Characterization of Fiber Morphology and Its Influence on Mechanical Properties in Short Fiber Reinforced Rubber Composites

Dawen Wei
2025-11-01 ChinaXiv: chinaxiv-202511.00039 Mixed Source

To improve the prediction accuracy of the performance of short fiber-reinforced rubber composites (SFRCs), and considering that most fibers within these composites exhibit a random wavy shape, a discretization modeling method was employed to establish a two-dimensional representative volume element …

Calculation Method for the Support Force of Full-length Prestressed Anchors Considering Shear Performance (Postprint)

Zhimin Chen
2025-11-01 ChinaXiv: chinaxiv-202511.00040 Mixed Source

To investigate the shear performance of fully grouted prestressed anchors against shear-slip bodies, a method for calculating the minimum required support resistance of a slip body is proposed based on shear-slip theory. The neutral point position and support force calculation methods for fully grou…

Postprint: Research on the Energy Absorption Characteristics of Tapered Threaded Tubes under Oblique Loading

Wang Chao
2025-11-01 ChinaXiv: chinaxiv-202511.00042 Mixed Source

Thin-walled structures are widely utilized in fields such as transportation due to their advantages of light weight, low manufacturing cost, and high energy absorption efficiency. To improve the energy absorption performance of traditional straight tubes and corrugated tubes, a tapered thin-walled t…

Postprint: Effects of Interface Slip and Shear Deformation on Long-Term Deflection of Steel-UHPC Composite Beams

Deng Jihua, Zhou Yadong
2025-08-24 ChinaXiv: chinaxiv-202508.00329 Mixed Source

The significant differences in shrinkage and creep characteristics between ultra-high performance concrete (UHPC) and normal concrete (NC) lead to markedly distinct long-term deflection growth in steel-UHPC composite beams versus steel-NC composite beams. To scientifically and rationally calculate t…

Study on Pile-Soil Interaction and Negative Skin Friction of Pile Foundations with Different Pile Diameters in High Fill Sites: Postprint

Yunhua Lu, Li Sheng, Li Sheng
2025-08-24 ChinaXiv: chinaxiv-202508.00331 Mixed Source

To clarify the time-dependent evolution of pile-soil interaction and the variation law of negative skin friction for pile foundations in high loess fill sites, and to elucidate the influence of internal force variation on the long-term service performance of pile foundations, considering the creep d…

Postprint: Prediction of High Slope Deformations Considering Spatial Variability of Creep Model Parameters

Hu Changming
2025-08-24 ChinaXiv: chinaxiv-202508.00332 Mixed Source

Addressing the issue that existing slope deformation predictions rarely consider the spatial variability of soil property parameters, this paper proposes a stochastic deformation prediction method for high fill slopes. By analyzing the one-dimensional consolidation creep characteristics of loess, a …

Postprint: Tunable Design of Compressive Mechanical Properties for Ordered Porous Matrix Interpenetrating Phase Composites

Li Jian, Li Jian
2025-08-24 ChinaXiv: chinaxiv-202508.00333 Mixed Source

The designability of compressive modulus and plateau stress, along with the tunability of compressive mechanical properties, constitute key challenges in enhancing the applicability of porous materials. The design methodology for ordered porous-based interpenetrating phase composites represents an e…

Postprint of Study on Pushover Performance of Fully Bolted Prefabricated Concrete Wall Panels with Boot-Shaped Embedded Connectors

Shi Manghua
2025-06-25 ChinaXiv: chinaxiv-202506.00274 Mixed Source

To achieve industrialized production and rapid construction of reinforced concrete wall panels, a fully bolted connection technology utilizing boot-shaped embedded parts is proposed. Horizontal pushover tests were conducted to investigate the failure modes, stress distribution, and mechanical behavi…

Three-Dimensional Analytical Solution and Numerical Verification of a Locally Loaded Infinite Cylinder (Postprint)

Li Yunxin
2025-06-25 ChinaXiv: chinaxiv-202506.00279 Mixed Source

Based on the simplification of the cylindrical axisymmetric problem and the favorable properties of modified Bessel functions, a displacement harmonic function containing undetermined functions was constructed. Applying the constructed displacement harmonic function, stress expressions containing un…

Modeling the indentation size effects of polymers based on couple stress elasticity and shear transformation plasticity

Chao Peng, Fanlin Zeng, Fanlin Zeng
2022-05-17 ChinaXiv: chinaxiv-202205.00113

This work aims to identify models capable of describing size effects on the modulus and hardness of polymers as measured by indentation testing. First, elastic size effects are described through a model developed by introducing an elastic unloading load model that incorporates couple-stress elastici…