Title: Mechanisms of Temperature Gradient Effects on Soft Clay Foundation Consolidation in PVTD Technology Postprint [html, pdf]
Authors: Zhang Binyuan, Wang Hao
Subjects: Engineering and Technological Sciences; Engineering Geology

Based on non-equilibrium thermodynamics theory, this study establishes a fully coupled thermal-hydraulic-mechanical (THM) finite element model. This model innovatively introduces bound water temperature and particle temperature parameters to characterize microscopic thermal effects, systematically revealing the influence mechanism of temperature gradients on PVTD consolidation behavior. Through comparison with Abuel-Naga et al.'s (2006) experimental data on Bangkok clay, the model demonstrates g…

Title: Research on Analytical Method for Dynamic Thermal Response of U-shaped Buried Pipe Energy Piles in Layered Foundation under Non-constant Heat Source Conditions: Postprint [html, pdf]
Authors: Jiang Gang, Zong Chenfeng, Wang Ziyi, Wang Qinhua, Yang Haofan
Subjects: Engineering and Technological Sciences; Engineering Geology

Energy piles, which serve both load-bearing and heat exchange functions, hold significant value in ground source heat pump applications. However, under stratified ground conditions, the heat transfer mechanism of pile-soil heat exchange is relatively complex. Most existing analytical methods are based on constant heat source models, and this simplified assumption cannot effectively reflect the impact of dynamic thermal power variations on the thermal response of energy piles. Therefore, improvin…

Title: Postprint of the Study on the Variation of Bound Water Content in Saturated Clay with Temperature [html, pdf]
Authors: Yuan Zilin, Wang Zhongtao, Wang Hao
Subjects: Engineering and Technological Sciences; Engineering Geology

The bound water in saturated clay, due to its unique double-layer structure, plays a critical role in controlling the macroscopic thermo-mechanical behavior of clay. This paper focuses on the mechanism of bound water variation with temperature in saturated clay. By comparing research results from different scholars, it is found that slight differences in bound water density lead to significant discrepancies in the calculated bound water content, thereby affecting the analysis of thermal response…

Title: In-situ Experimental Study on Thermal Performance and Thermo-mechanical Response of Subway Station Energy Slabs [html, pdf]
Authors: Wang Cheng, Wang Hao, Wang Zhongtao
Subjects: Engineering and Technological Sciences; Engineering Geology

This study focuses on the application of ground source heat pump systems in subway stations, with particular emphasis on the thermal-mechanical coupling response and heat transfer mechanisms of energy slabs. Currently, the thermal performance and structural safety of such structures under actual operating conditions have not been sufficiently investigated. Based on the Dalian Metro Line 4 project, two sets of in-situ field tests were conducted: one employed a constant inlet water temperature mod…

Title: Study on Rheological Damage Constitutive Model of Red Bed Mudstone Considering Water Saturation Time [html, pdf]
Authors: Zhou Hongyi
Subjects: Engineering and Technological Sciences; Engineering Geology

Red beds primarily refer to continental clastic rocks formed during the Jurassic, Cretaceous, Paleogene, and Neogene periods, predominantly in lacustrine, fluvial-lacustrine transitional, or piedmont proluvial facies, which are exposed worldwide. For red bed slopes with interbedded sandstone and mudstone, the key disaster-inducing factor triggering landslides is the damage and deterioration of the mudstone layers. Due to the property of red bed mudstone to deteriorate upon water contact and disi…

Title: Postprint of Study on the Damage Process of Typical Debris Flows under the Service of Check Dams in Southwest Mountainous Areas [html, pdf]
Authors: Luo Chaopeng, Kang Yongchuang
Subjects: Engineering and Technological Sciences; Engineering Geology

The southwestern mountainous region features steep terrain, deeply incised valleys, and complex geological structures. Debris flows, as a primary type of geological hazard in this area, severely constrain regional economic development due to their typical characteristics of high-frequency occurrence, ultra-strong dynamic damage, and complex dynamic movement processes. Based on the OpenLISEM numerical simulation platform, this study integrates rainfall, topography, and material source parameters …

Title: Three-Dimensional Model Construction and Stability Analysis of Unstable Rock Masses Based on Close-Range Photogrammetry and Ground Penetrating Radar Technology [html, pdf]
Authors: Ouanfeng, Wu Shuyu, Yang Jinjun, Yu Jiasong, Hou Shuai
Subjects: Engineering and Technological Sciences; Engineering Geology

To address the issues of low work efficiency, high safety risks, and blind spots in the investigation of high and steep unstable rock masses during survey operations, this study takes the No. 1 high-position unstable rock mass of a hydropower project as an example. By utilizing close-range photogrammetry and ground-penetrating radar technologies, a survey system specifically designed for high and steep unstable rock masses was established. Technical means were employed to construct a three-dimen…

Title: Study on the Internal Pressure Load Sharing Ratio of Lined Rock Cavern Gas Storage Structures (Postprint) [html, pdf]
Authors: Zhang Yunlong, Zheng Kexun, Jiang Zhongming, Zhou Wanfen, Zou Shenwei, Zhao Daiyao
Subjects: Engineering and Technological Sciences; Engineering Geology

Gas storage caverns are critical components of compressed air energy storage power plants. Lined rock cavern gas storage facilities have garnered widespread attention in the industry due to their flexible site selection and controllable scale. Accurately determining the internal pressure load borne by each structural layer of a lined rock cavern gas storage facility is a prerequisite for its safety assessment and structural design analysis. Based on the elastoplastic theory of structural stress …

Title: Characteristics of Deep Weathering Troughs Under the Coupling of Igneous Intrusion in Karst Areas and Post-Treatment Manuscript [html, pdf]
Authors: Yu Jiasong, Guo Guo, Wooden Hao
Subjects: Engineering and Technological Sciences; Engineering Geology

The Zhangjiazhai Reservoir dam site area in Guizhou Province is significantly affected by the coupling effect of karst and igneous rock intrusion, resulting in the development of multiple deep weathering slots that pose serious challenges to engineering construction. Through surface geological surveys, trench exploration, drilling, geophysical prospecting, and geotechnical testing, three longitudinal dissolution-weathering deep slots were identified at the left abutment, and one horizontal weath…

Title: Preliminary Study on Calculation Methods for Residual Sliding Force of Wedge-Shaped Landslides: Postprint [html, pdf]
Authors: Zhang Chengchen, Pulse wave, Chen Zaiqian, Wang Haicheng, Han Xiao, Wang Forest
Subjects: Engineering and Technological Sciences; Engineering Geology

Landslide disasters are one of the major natural hazards in human history. Understanding the calculation method for the residual sliding force of landslides enables the targeted design of landslide control measures. In response to the relatively limited research and engineering practice concerning wedge-shaped landslides, this paper proposes a calculation method for the residual sliding force of wedge-shaped landslides and validates the rationality of this method through an engineering case stud…

Title: Analysis of Leakage Characteristics in Lanxi Reservoir, Guizhou Province [html, pdf]
Authors: Tang Songxuan, Pei Xiongwei, Han Xiao, Ye Jianlong, He Rui
Subjects: Engineering and Technological Sciences; Engineering Geology

In karst areas, the construction of dams and reservoirs is critically dependent on addressing leakage issues, which are pivotal to the success of such projects. The spatial complexity and dynamic evolution of karst development determine the intricacy of karst leakage problems. This paper analyzes the leakage characteristics of the Lanxi Reservoir, beginning with an introduction to the engineering geological and hydrogeological conditions of the study area. By comprehensively studying groundwater…

Title: Study on Physicochemical and Compressive Deformation Characteristics of Dispersive Clay under Freeze-Thaw and Soaking Conditions (Postprint) [html, pdf]
Authors: Han Xiao, He Rui, Wang Lixiang
Subjects: Engineering and Technological Sciences; Engineering Geology

To investigate the effects of freeze-thaw cycles and soaking on the physicochemical properties, deformation characteristics, and state of dispersive clay, laboratory physical and chemical tests as well as compression tests were conducted on dispersive clay. Based on the experimental results, a compression deformation formula for dispersive clay under freeze-thaw cycles and soaking conditions was proposed. The results indicate that after undergoing freeze-thaw cycles and soaking, the sodium and p…

Title: Real-time Monitoring of Shield Tunnel Adjacent Construction Impact Based on Dynamic Response of Operating Metro System [html, pdf]
Authors: Li Qi, Xie Xiongyao, Zeng Kun
Subjects: Engineering and Technological Sciences; Engineering Geology

This paper proposes a real-time perception method based on the dynamic response of operating metro systems for monitoring the impact of adjacent construction activities on shield tunnels. The effectiveness of the method is validated through a combination of numerical simulation and model testing. The simulation evaluated the effects of nearby excavation and pile driving operations on tunnel structures and metro responses. Subsequently, model tests were conducted with pile driving as a representa…

Title: Postprint: Development and Evolution Characteristics of Geological Hazards and Disaster Movement Processes of Mountainous Trunk Highways under the Influence of the Lushan Earthquake [html, pdf]
Authors: Wu Kai, Yi Xuebin, Fu Xiaodong, Du Wenjie, Ding Haifeng, Zhao Haisong, Xi Tian
Subjects: Engineering and Technological Sciences; Engineering Geology

Studying the development and evolution characteristics of typical geological hazards along trunk highways in strong earthquake mountainous areas and their disaster-forming dynamic processes holds significant theoretical and practical importance for early hazard identification, risk assessment, and disaster prevention and mitigation in transportation corridors. This paper takes the southern segment of the Longmenshan Fault Zone as the study area, and integrates field surveys, remote sensing inter…

Title: Postprint on the Disintegration and Fragmentation Effects of Rock Avalanche Debris Flows Based on Large-Scale Physical Model Experiments [html, pdf]
Authors: Chen Feiyu, He Xurong, Huo Zihao, Zhang Shilin, Yang Chaoping
Subjects: Engineering and Technological Sciences; Engineering Geology

Disintegration and fragmentation effects are universally present in the movement process of high-position rock landslides, which can transform the state of landslide material and its motion, thereby influencing the energy distribution and dynamic transfer characteristics of the landslide. To investigate the disintegration and fragmentation characteristics and energy dissipation patterns of high-position rock landslide debris flows, and to reveal their dynamic transfer mechanisms, large-scale phy…

Title: Online Public Opinion Report on the Domestic AAA Game "Black Myth: Wukong" [html, pdf]
Authors: Chen Yu, Chen Yu
Subjects: Library Science, Information Science; Information Science

[Abstract] In the current context of increasingly fierce global cultural competition, domestic cultural products face difficulties in "breaking through" and encounter challenges such as cultural dissonance and cultural discount when "going global" to attract fans. Against this backdrop, domestic cultural products represented by "Black Myth: Wukong" have broken through traditional narratives, successfully achieving "breakthrough," "global reach," and "excellence" through Chinese elements, exquisi…

Title: Blockchain Facilitates Audit Innovation, Digital Intelligence Empowers High-Quality Development [html, pdf]
Authors: Zhou Xiaodong, Zhou Xiaodong
Subjects: Management Science; Enterprise Management

Establishing a comprehensive risk management system and building sound and effective internal control mechanisms are crucial conditions for enterprise survival and healthy development. This paper elaborates that digital transformation in auditing helps achieve internal audit objectives and enhances the effectiveness of internal controls. Blockchain technology, with its excellent characteristics such as distributed decentralization, authenticity, public transparency, and immutability, will facili…

Title: Heart in Harmony, Love in Tune: Spousal Similarity and Marital Satisfaction [html, pdf]
Authors: Su Wei, Fang Xiaoyi, Hou Juan, Hou Juan
Subjects: Psychology; Developmental Psychology

Similarity is an important component of marital satisfaction for couples; however, current research on the relationship between the two presents conflicting conclusions. So, in which dimensions are couples actually similar, and how does similarity affect marital satisfaction? This study recruited 638 Chinese couples as participants and adopted the Couple-Centered Approach (CCA). Using Profile-Couple Similarity (PCS) and Actor-Dissimilarity Score (ADS) as indicators, we integrated actor effects, …

Title: Design and Prototype Testing of a Portable Liquid Scintillation Measurement System for On-Site Rapid Detection of Radon Concentrations in Water Bodies [html, pdf]
Authors: Zhang, Prof. Xiongjie, Zhou, Mr. Hai-xian, Wang, Dr. Hai-tao, Liu, Mr. Hong-ze, Chen, Mr. Lu-jin, Hu, Mr. Qiang, He, Mr. Jun-jie, Zhang, Ms. Ye, Zhou, Mr. Shumin, Zhang, Prof. Xiongjie
Subjects: Physics; Nuclear Physics

Traditional liquid scintillation measurement instruments face challenges in field measurements of radon in water: their bulky size and reliance on a stable power supply hinder the on-site analysis of large numbers of water samples. To address this, the study aims to develop a portable liquid scintillation system for radon concentration measurement in water, enabling rapid on-site detection. In the system design, a 3×4 array of silicon photomultipliers (SiPMs) is used to replace the traditional p…

Title: Postprint: Optical Fiber Scrambling Performance Evaluation Method Based on Fourier Spectrum [html, pdf]
Authors: Peng Yuchen, Peng Zifu, Geng Tao, Sun Weimin, Yunxiang Yan
Subjects: Astronomy

The application of fiber scrambling technology in high-resolution spectroscopic observations can effectively improve the precision of radial velocity measurements, providing a valuable tool for research on cutting-edge scientific issues such as the search for Earth-like planets. Currently, the impact of modal noise generated by fiber transmission on high-resolution spectrographs can no longer be ignored, making it an important topic to directly analyze the fiber scrambling effect through the out…

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