Proceedings of the 2025 8th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2025)
35 articles
Proceedings Article
Peer-Review Statements
Chien-Ho Ko, Junxian Zhao, Hong Yao, Mohammad Arif Kamal
All of the articles in this proceedings volume have been presented at the 8th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2025) during November 28 to 30, 2025, in Zhengzhou, China. These articles have been peer reviewed by the members of the Scientific...
Proceedings Article
Performance Study of Flexible Gabion Barriers Under Successive Rockfall Impacts
Peng Jiang, Kun Zhou, Xudong Wang
The accelerated development of infrastructure in western China has exacerbated the risk of rockfall disasters. Flexible gabion barriers have been widely adopted as critical protective measures due to their superior adaptability and construction efficiency. However, existing studies predominantly focus...
Proceedings Article
Comparative Study on Time Series Feature Decomposition of Water Resources System Based on MLR and Wavelet Decomposition
Jun Guo, Jiahao Lu, Zhongzheng He, Chen Ji, Jiawei Chen
As a complex dynamic composite system, the accurate prediction of water resource coupling systems is key to the scientific management and sustainable utilization of water resources. Traditional modeling methods based on raw undecomposed data have limitations in mining deep patterns and latent patterns...
Proceedings Article
Deformation and Stability of Slope in Collapse Area of Upper Reservoir in Zhen’an Pumped Storage Power Station
Ying Zhang, Shengjie Di
Collapses in hydropower station slopes not only severely impact project operations but may also cause catastrophic consequences. By coupling numerical simulation with the limit equilibrium method, this paper investigates the reasons for the collapse of Zhen’an Pumped Storage Power Station by analyzing...
Proceedings Article
Analysis on the Slope Stability of Upper Reservoir at Zhen’an Pumped Storage Power Station
Ying Zhang, Shengjie Di
The stability of reservoir slopes is crucial to both engineering and public safety. Based on the limit equilibrium method, this paper analyzes the slope stability in the collapsed area of the upper reservoir at Zhen’an pumped storage power station considering the complex geological conditions. Results...
Proceedings Article
Stability Analysis of Surrounding Rock for Diversion Tunnel of Hydropower Station
Ying Zhang, Shengjie Di
The surrounding rock instability for hydropower diversion tunnels can cause progressive failure and catastrophic consequences, making proper support design critical. This study investigates diversion tunnel stability of hydropower station under complex geology, using numerical simulation to analyze deformation...
Proceedings Article
Research on the Seismic and Shock Reduction Technology of Minnan-Style Architecture
Dejun Deng, Shufeng You, Yanmin Liu
The Minnan-style architecture combines the traditional architectural style of Minnan with Western architectural elements, serving as an outstanding example of the integration of and Western architecture in modern Chinese architectural history, and is of great historical, cultural, and artistic value....
Proceedings Article
Study on Applicability of TNT Equivalent Method to Predict Gas Explosion Load in utility tunnel
Yapeng Duan, Yonghong Gao, Yanpeng Guo, Liqiang Zhou, Yaoyao Zhang, Hao Wu, Zicong Wang, Dongyang Li
Gas pipeline leakage and explosion are the key issues in utility tunnel’s safety protection. Accurate prediction of gas explosion load in utility tunnel under realistic conditions is an important prerequisite for reasonable protection design. In this paper, taking the double-cabin model pipe gallery...
Proceedings Article
A Comparative Study on Solving Methods for Problems in Economic Operation of Cascade Pumping Stations
Chen Ji, Wei Wu, Lei Jiang, Jingren Yang, Zhongzhen He
Water resources in China are unevenly distributed. Although many water transfer projects have been completed, there is a phenomenon of mismatched optimization methods in actual operation, which affects project benefits. Therefore, it is very necessary to conduct a comparative study on the economic operation...
Proceedings Article
Research Progress on Diatomite-Modified Asphalt
Hao Zhang
As traffic loads and environmental stresses intensify, asphalt pavements face prominent issues, including high-temperature rutting, low-temperature cracking, and moisture damage. Diatomite, a natural porous mineral material, has been widely used in asphalt modification to enhance pavement performance...
Proceedings Article
Condition Evaluation and Maintenance Strategies for Aging Highway Bridges Using Field Inspection Data
Jinfei Shi, Deguo Dou, Zhishan Li, Wei Luo, Xuemei Xu
With a large number of highway bridges in China approaching the later stages of their service life, structural deterioration and frequent defects have become increasingly critical issues, underscoring the need for scientific and effective condition assessment and maintenance strategies. This study investigates...
Proceedings Article
Deformation and Failure Characteristics of Complex Jointed Rock Slopes Under Mining Action: A Case Study of the Fa’er Landslide in Guizhou, China
Yu Wu, Jie Huang, Shuyi Zheng, Xiaohu Zheng, Dengsheng Cai, Donglei Zhao, Dandan Liu
Structural characteristics exert a controlling influence on rock mass mechanical properties and engineering stability. Particularly in the mountainous regions of southwest China, mining activities exacerbate the instability of rock mass structures, increasing the risk of collapse and landslide disasters....
Proceedings Article
Comparative Analysis of Foundation Selection and Foundation self-cost for Mechanized Construction of Transmission Lines
Guoxiong Xie, Jiankun Hua, Wei Ye, Qi Wu, Ke Ju, Wei Chen
To investigate foundation selection for mechanized transmission line construction, a technical and economic comparison was conducted for swampy, flat, hilly, and mountainous terrains. Key findings include: (1) Swampy areas: Cast-in-place piles are recommended; spread foundations are feasible but less...
Proceedings Article
Special Analysis of Valuation of Water Conservancy Engineering List
Jinquan Lin
This paper focuses on the characteristics of the list valuation system of water conservancy projects, and mainly analyzes its unique rules and operation characteristics different from general construction projects. The research shows that the list valuation of water conservancy projects has certain particularity...
Proceedings Article
A Comprehensive Review of Research on Unsafe Behaviors at Port Construction Sites
Xiao He, Kai Chen, Chunhui Yang
Port construction sites face persistent safety challenges due to complex environments, frequent cross-operations, and high labor mobility. Unsafe worker behaviors are a major cause of accidents. This paper provides a systematic review of research progress in this domain. Methods for behavior identification...
Proceedings Article
Construction of Collaborative Operation Mode for Innovation and Creativity Platform Management Mechanism
Xiaotao Zhong, Zhendong Chen, Ye Li, Ting Liu, Huiling Liu
Implementation results show that after optimizing the collaboration mechanism, Heyuan Power Supply Bureau’s innovation platform leveraged intelligent module linkage to achieve dynamic resource allocation. Project completion rates rose from 65% to 90%. By optimizing project workflows through computer...
Proceedings Article
Discussion on the Application of Intelligent Engineering Management System in Thermal Power Project Construction
Yeming Chen, Xiangjun Chen, Wenchang Han, Xing Ding, Chunyang Sun
With the popularization of the Internet of Things (IoT), big data, “Industry 4.0”, Building Information Modeling (BIM), digital twin, and the concept of full - life cycle management in the entire power industry, new opportunities have emerged for the digital transformation of power source project construction...
Proceedings Article
Numerical Investigation of Flow Characteristics around Four Tandem Circular Cylinders
Yuanshun Huo, Xi Shi
To investigate the influence of the spacing ratio on the flow characteristics around four tandem cylinders of equal diameter, numerical simulations of three different spacing combinations were conducted based on Fluent. By analyzing the velocity cloud diagrams, streamline distributions, and vorticity...
Proceedings Article
Construction and Validation of a Distributed Xin’an River Model Based on the Analysis of Substrate Spatial Heterogeneity——As an example of flood simulation in the Lalin River basin area of Jilin Province
Junbo Liu, Chenxi Du, Changwen Li, Chenggang Li, Changlong Gao, Guanghui Wu, Wenrui Han, Jialong Wu, Qinqin Deng
The instability caused by global warming and the spatial complexity of land surface structures is increasingly affecting basin floods. The aggregated old Xin’anjiang model can no longer simulate precise land surface information, which in turn compromises flood simulation performance. This study selects...
Proceedings Article
Ultrasonic Testing of Inner Cavity and Diameter Surfacing Layer of Blowout Preventer
Junhui Wei, Zhiming Qu, Pengcheng Wang, Lixia Liu, Shaobo Feng, Xuliang Zhang, Guanggui Zhou
To ensure safety of Rongsheng’s ultra-high voltage ram blowout preventer shell, ultrasonic testing was done on the 5mm INCONEL 725 layer on its inner cavity and diameter. This layer enhances wear/corrosion resistance and local strength; key targets are in-layer, unbonded, and subsurface defects. Due...
Proceedings Article
Ultra-high Pressure Annular Blowout Preventer Packer Sealing Performance Analysis and Design
Pengcheng Wang, Zhiming Qu, Junfeng Xie, Junhui Wei, Liangliang Xu, Bao Zhang, Kun Li
In this study, the structure and working principle of spherical rubber core and conical rubber core in annular Blowout Preventer (BOP) are compared and analyzed, and it is concluded that conical rubber core are more suitable for ultra-high pressure environments. In this study, an ultra-high pressure...
Proceedings Article
Ionic Curing Agent and Basalt Fiber for Enhancing the Durability and Strength of Cemented Soil under Salt Erosion
Zhihao Yu, Yuyun Dong
This study employed CG-T2 ionic curing agent and basalt fibre to modify cement-soil, investigating their respective effects on the performance changes of cement-soil during long-term erosion in salt solutions of varying concentrations. Results indicate that the ionic curing agent enhances cement-soil...
Proceedings Article
Finite Element Analysis and Origin Study of Circumferential Cracks in Aqueduct Shells Based on Thermo-Mechanical Coupling
Wenjie Hou, Hu Tao, YuanShun Huo
After long-term temperature difference cycles during operation, thin-walled aqueduct structures develop numerous cracks. To ensure the safe and stable operation of the aqueduct, it is necessary to replace the aqueduct shell. The design strength for concrete durability in the current water conservancy...
Proceedings Article
Research on the Mechanism and Treatment Design of Water Inrush in Extra-Long Tunnels Underpassing Karst Vertical Seepage Zones
Peng Wang, Yaming Qu, Yingying Tu, He Chen, Yong Zheng, Yuefei Li
The Dongshan Extra-Long Tunnel passes through an area with intensely developed karst features, and multiple water inrushes occurred during both its construction and operation periods. To investigate the hydrogeological mechanisms and implement corresponding treatments, this study conducted a specialized...
Proceedings Article
Research on the Optimization of Multi-Party Cooperation Model for Infrastructure PPP Projects Based on the Shapley Value Method
Jyh-Harng Shyng, Jingqi Liang
To address unbalanced benefit distribution, ambiguous risk sharing, and insufficient cooperation stability among governments, social capital, and project companies in infrastructure Public-Private Partnership (PPP) projects, this study optimizes multi-party cooperation based on cooperative game theory...
Proceedings Article
Analysis and Determination of the Drought Warning Water Level for Zihong Reservoir
Zhongbo Zhang, Simin Geng, Xiaoyan He, Haijun Yu, Guangyuan Kan, Yu Hou
The drought warning water level serves as a key indicator for drought early warning and sustainable water resource management, and prevents threats to the stable operation of the water supply system when the reservoir water level drops due to the continuous decrease in inflow runoff. This indicator establishes...
Proceedings Article
Building Information Modelling (BIM) Integration in Construction Project Lifecycle
Wei Meng, Gang Feng, Zehui Yang, Wencheng Fu
This paper aims at examining various stages of the construction project and analyse ways that BIM can be incorporated within them and how its application impacts the construction project efficiency, sustainability, and management. BIM here entails the plans, specifications, measurements, schedules, properties...
Proceedings Article
Development of a Coding System and Spatial Coordinate Framework for Bridge Structures Maintenance
Shuangke Gou, Rurui Liu, Dong Li, Ruolin Song, Cheng Liu, Yufan Sun
With the advancement of technologies such as drones and image recognition, the automation level of bridge inspection and monitoring has gradually improved. However, the absence of an effective maintenance coding system for bridges hinders the component-level management of inspection results. Additionally,...
Proceedings Article
Analysis of Dynamic Cable Configurations and Installation Safety
Jiandong Chen, Jie Luo, Changyang Peng, Wei Ye, Dengmin Yu, Nuoya Li
Dynamic cables connect surface floaters to subsea assets and operate over long periods under combined actions of waves, currents, and floater motions. This paper presents a consolidated technical review of configuration selection and installation practice for dynamic cable systems. Six mainstream profiles...
Proceedings Article
Investigation of the Influencing Factors on the Expansion of Cement Stabilized Gravel Subgrade
Gaowei Zhou, Zhigang Yang, Fu Zhong, Ma Qiang, Jian Xu, Jie Wang, Peng Wang, Wei Huang
In order to investigate the influence law of different factors on the expansion of water-stabilised base mixes, five factors, namely, gradation type, cement dosage, 0.075mm passage rate, sulphate content, and recuperation conditions, were considered, and the temperature intervals were set to be -20-0℃,...
Proceedings Article
Demand Analysis of Railway Engineering BIM Inspection and Pricing System Based on KANO-TOPSIS Dual Model Coupling
Zhen Yan, Shidong Xu, Yarui Wei
In view of the low efficiency of inspection and pricing caused by frequent design changes and cross-disciplinary information fragmentation in long and long trunk railway projects such as Ganqing section of Lanzhou-Xinjiang high-speed railway, Aiming at the demand priority decision-making problem of BIM...
Proceedings Article
Multi-dimensional Management for High-rise Residential Construction Based on AI and BIM Integration
Yue Li, Xiaodong Li, Yu Hu, Tao Wang, Zhiming Wang, Zhixing Liu, Yi Tu, Zhaxi Songlang
The management of high-rise residential construction projects is often challenged by inefficient progress control, poor technical coordination, and delayed safety risk warnings. While existing studies have explored AI or BIM in isolation, their integration for multi-building synergistic optimization...
Proceedings Article
Stiffness and Stability Design of Composite Cylindrical Structure with Different Stiffeners
Jianguang Zhang, Weicheng Jiao, Rongguo Wang, Wenbo Liu
The focus of this study is structural design optimization of a stiffened composite cylindrical structure. Two different composite structures with T section and hat section stiffeners are used. The material used is carbon fiber reinforced epoxy. The deformation and stability capacity of composite stiffened...
Proceedings Article
Quantitative Analysis of Late-Stage Diversion Risk of Cascade Hydropower Stations Based on Monte-Carlo Random Simulation: A Case Study of the Wudongde–Baihetan Hydropower Cascade
Ze Yu, Wenbo Wei, Yuan Jiang
The construction period of cascade hydropower stations is typically long, and the initial impoundment storage is large. Once an extreme flood exceeding the design standard occurs, insufficient discharge capacity may lead to severe economic losses and casualties. Considering the overlapping mid- to late-stage...
Proceedings Article
Research on the Application of Prefabricated Building in Urban Commercial Street Renewal
Yicheng Fu, Xinyi Huang, Xian Shi
This article addresses the dual demands of protection and development in the renewal of historical commercial streets, and explores the potential and specific paths of the application of prefabricated buildings. Taking the Da Jing Village in Longhai District, Zhangzhou City, Fujian Province as an example,...