All of the articles in this proceedings volume have been presented at the 7th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2024) during November 1-3, 2024 in Zhengzhou, China. These articles have been peer reviewed by the members of the Scientific Committees...

With the development of the transport industry, ship and bridge collision events occur from time to time. To mitigate the damage caused by such events, researchers have studied the effectiveness of anti-collision devices. This paper uses LS-DYNA finite element software to simulate the ship and bridge...

Labyrinth ring, an integral component of pump-turbines, exert significant influence on the safe and stable operation of the unit. Presently, research into the operational mechanisms of labyrinth ring configurations is relatively limited. This study employs orthogonal numerical simulation to investigate...

CATIA V6 has found extensive applications in the water conservancy and hydropower industry. However, when it comes to generating sectional views, CATIA V6 still faces some challenges. For instance, the generation of sectional views relies on the selection of projection profiles, which are limited to...

Water spray system is one of the most commonly used fire extinguishing systems for oil-immersed transformers in booster stations. However, research on weather the water in water spray system pipeline will freeze behind the deluge valve is rare. In this paper, the calculation formula of water heat transfer...

Guide vane is a key component of reversible pump-turbine for flow regulation and guidance. In the start-up process of pump mode, guide vane will be closed for a long time until runner rotates in full speed and then continually opens maximum. When the opening angle is small, guide vane suffers large and...

Real-time hydro-logical data such as water level and flow of the main canal of the Middle Route of the South-to-North Water Diversion Project are the basis for decision-making of water conveyance scheduling. Due to the influences of external disturbance, measurement system error and other factors, the...

This paper focuses on the application of the miniature group pile foundation in a 500kV power transmission project. It covers the project’s background, challenges, and the current research on such foundations. It details the stress and bearing performance of miniature group pile foundation and construction...

Achievement degree of Water Supply and Drainage Pipeline Engineering is analysed for students whose major is Water Supply and Drainage Science and Engineering. This course aims to let student know basic definitions, theories, engineering design, and basic techniques in terms of water supply and drainage....

This study aims to optimize the design of molds for prefabricated building components. By utilizing Revit software, a digital parametric model encompassing both prefabricated concrete components and their corresponding molds has been established. Through precise adjustments to mold dimensions and critical...

This paper examines the construction risks of four highway construction projects in mainland China. The paper divides risks into two main categories, macro risks and micro risks. Macro risk is the risk that the company itself faces in the project, and micro risk is mainly the risk in the construction...

The requirements of elevator emergency lighting device are not clear in view of the domestic and international standards. This paper analyses the requirements of standards, parameter, wiring and other aspects, based on the principle of human ergonomics. Finally, this paper explains the requirements of...

China’s construction industry has made great progress in the past few decades, its influence and status in the global scope. However, with the adjustment of economic structure and the change of the market, China’s construction industry is facing many challenges. At present, the construction industry...

This paper presents a statistical analysis of the occurrence of cracks in the runner of mixed-flow turbine in three units of a factory over a continuous period of five years. Due to the complex shape of the blade outlet connection resulting from welding processing and the high residual stress after welding,...

Considering the challenges of segmenting architectural components in point cloud data, particularly for Chinese historical buildings, we develop an efficient method for constructing datasets to enhance deep learning techniques for precise segmentation. Surface sampling is integrated with advanced virtual...

Since the operation of the Middle Route of the South-to-North Water Diversion Project, numerous changes have occurred in the operational conditions of the Danjiangkou Reservoir, among which the ecological assessment requirements for the lower reaches of the Han River have had the most significant impact...

Foundations of towering structures are usually subjected to complex multidirectional loads. For investigating the bearing behavior of bucket foundation in soft soil under vertical-horizontal composite loading, a three-dimensional numerical model was developed in this paper. Combining the Swipe loading...

The main disasters in this research project are sandstorm and frost, and the number of sandstorm days accounts for 63% of the total number of days in the whole year. Therefore, in order to study the influence of wind-sand erosion and seismic action on the seismic performance of concrete cable tower columns...

At present, the traditional construction industry is gradually transitioning towards intelligence, informatization, and greening. The intelligent construction technology based on Building Information Modeling (BIM) continues to penetrate into various stages of the construction life cycle, effectively...

Research background: In recent years, with the continuous occurrence of extreme rainfall, excessive concentration of rainfall occurred from time to time, and dike breach was one of the most harmful disasters in flood disasters. For example, in July 2024, a dike breach occurred in TuanzhouDongting Lake,...

The prefabricated construction of building electromechanical system is studied. With the whole construction process as the main line, the methods of software and hardware development, numerical simulation and technological innovation are adopted to realize the uniqueness of module orientation, the rapidity...

Based on the coupled Euler-Lagrange (CEL) algorithm, the numerical simulation model of free air field and small clear distance two-line tunnel explosion in loess is established. The reliability of the numerical model is verified by the comparison between the air-field air explosion and the traditional...

The construction of power transmission project has the characteristics of many points, long line, wide area, high cost and large investment, which also leads to many risk factors faced by power transmission and transformation construction, especially the risk factors of construction progress. Through...

In the subcontractor selection for prefabricated residential EPC project, it is still difficult for the general contractor to solve the problems of design-construction phase separation and realizing the maximum team potential, the research of project benefit calculation method has become the first problem...

This paper firstly analyzes the installed capacity of pumped storage power station, power generation head, Angle of inclined shaft, design requirements of regulation guarantee, head loss, etc. The preliminary design of inclined shaft is studied. Then, the comparison of 3 schemes of diversion inclined...

The whole system was simulated by TRNSYS software, and the most suitable volume of the hot water collection tank was first simulated, and then the energy consumption of the system and the COP of the sewage source heat pump unit were analyzed according to the simulation data. The results show that the...

Soil spray sowing protection techniques for rocky slopes always face challenges such as low germination and short survival periods, due to their poor water retention and high evaporation rate on rocky slope surfaces. Following points of view on ecological and environmental protection, low energy consumption,...

With the diverse cultural demands of the public, in recent years, some large and medium-sized archives in China have integrated various archive resources and held various types of fixed exhibitions. The air conditioning system has always been the main part of energy consumption in buildings, especially...

In recent years, following the enactment of the new Safety Production Law, the port industry has progressively implemented the dual prevention mechanism, which encompasses graded safety risk control and hidden danger investigation and treatment. This initiative has generated a substantial volume of data...

The development of marine resources and deep-sea engineering construction is a crucial strategy for national security and sustainable development. However, the potential engineering geological hazards such as reservoir subsidence, wellbore instability, and submarine landslides during the extraction process...

Polycarboxylate superplasticizers (PCE) with different molecular structures were prepared through radical polymerization using monomers with varying molecular weights, and their molecular structures were characterized by gel permeation chromatography. The adsorption properties of PCE on the surface of...

The seepage action leads to a significant loss of fine particles in soil-rock mixtures, which is the primary reason for the seepage failure of hydraulic structures. Existing research mainly focuses on the comprehensive effects of varying fine particle content and confining pressure on the seepage characteristics...

This research explores the digital technological factors influencing the development of the global construction industry in the context of rapid digitalization. Experts identified and evaluated key digital technologies using bibliometric analysis and the fuzzy Delphi method. The analysis identified eight...

The turbine efficiency is an important factor for reflecting the turbine’s hydraulic performance, which plays an important role in guiding the design, manufacture and economic operation of turbine. In recent years, with the continuous improvement and innovation of sensing technology and modern electronic...

A two-dimensional hydrodynamic model of Sanhe branch has been developed using MIKE21 software to investigate the impact of the South to North Water Diversion Project on its hydrodynamics. Design and comparative conditions have been established to analyze the hydrodynamic changes under different pumping...

The sustainable urban ecological system is of great significance for building high-quality ecological spaces in cities and realizing regional environmental value innovation. However, there is a lack of systematic evaluation and quantification of ecological sustainable spatial planning indicators today....

Cultural tourism is a significant economic and social contributor. A growing body of research is focusing on the application of virtual reality (VR) and augmented reality (AR) in cultural architecture. While previous studies suggest that VR and AR have the potential to enhance the design of architecture...

Digital twin technology can promote the deep integration of industrialization and informatization, further improving the management efficiency and level of intelligent hydropower plants. This article conducts preliminary research on the overall architecture, data base, twin platform, and twin application...

The development of digital construction management is an important initiative to promote the digital transformation of the construction industry. But the attention to the regional difference in the development level of digital construction management in China from the industrial level is still relatively...

Although research on vehicle-bridge coupling during passage over expansion joints is relatively mature, the impact of seasonal temperature variations on the dynamic response of these joints has not been sufficiently explored. To address this gap, this study conducted a year-long real-time monitoring...

China has been committed to ecological civilization construction and has proposed “dual carbon” goals, demonstrating a strong emphasis on environmental protection and energy conservation. The continuous development and supply of resources have resulted in high carbon emissions in resource-based cities,...

At a power station, the turbine experiences high sediment content and operates under complex and challenging conditions. It has been operating under unstable conditions for an extended period. The overflow components have suffered significant abrasion due to the combined effects of sediment abrasion...

At present, there are two main types of connection methods used in prefabricated buildings: wet joints including grouted sleeve connection shear wall, vertical ribbed composite shear wall and Efficient Manufacture and Construction precast hollow-core composite shear wall, and dry joints including welded...

Under the new situation of significant changes in the supply-demand relationship of China’s real estate market, local governments, on the one hand, urgently need to release certain land development preferential policies to stimulate the process of urban development and construction. On the other hand,...

At present, China is actively promoting the old neighborhood renovation project, and the introduction of EPC mode has significantly improved the efficiency of project execution. However, general contractors face higher risks under this model, so it is particularly important to strengthen project cost...

Low migration efficiency of cuttings in large-diameter horizontal directional drill can easily cause various kinds of in-hole accidents. Drill pipe motion affects the distribution of the annular mud flow field, which indirectly affects the migration efficiency of cuttings, so it is very important to...

The establishment of scientifically sound deformation monitoring indicators is essential for ensuring the safety and serviceability of navigational structures. This study examines a large, reinforced lock-head structure and proposes secondary deformation monitoring indicators by employing a hybrid approach...

With the deepening development of underground space, the issue of rockbursts in tunnel engineering has become increasingly prominent, severely affecting construction safety. This study employs numerical simulations, and experimental testing methods to investigate the rockburst characteristics in drilled-blasted...

With the increasing global demand for environmental protection and sustainable development, the concept of green building has received widespread attention in the construction industry. As an important form of green building, assembled building is regarded as a key path for the transformation of the...