All of the articles in this proceedings volume have been presented at the 8th International Conference on Traffic Transportation and Civil Architecture (ICTTCA 2025) during April 18-20, 2025 in Tianjin, China. These articles have been peer reviewed by the members of the Scientific Committees and reviewers...

This paper, based on the R&D and production base of a company, designed prefabricated concrete column components with section steel connection joints, for which a refined numerical model was established for finite element stress simulation and stress performance verification. Through the research...

The most incredible difficulty of the short-line matching method lies in bridge line shape control, which requires accurate measurement methods, accurate control databases, and correct algorithms. On this basis, a bridge incremental launching control system was built by using a distributed control system...

The instrumental seismic intensity, obtained from seismic instruments recording ground motion, is an important indicator for assessing earthquake intensity and the degree of damage to buildings. Frame structures, as common building forms, attract significant attention for their performance during earthquakes....

In response to the simultaneous movement of seismic isolators and cameras during earthquakes, this paper proposes a three-dimensional displacement measurement method based on monocular vision. This method involves placing a chessboard target on the upper and lower supports of the isolator and using a...

Offshore wind power, as a core technology of renewable energy, faces dual challenges from wind loads and seismic forces. Due to their high flexibility and structural complexity, jacket-type offshore wind turbine structures are particularly vulnerable to seismic forces. This paper employs finite element...

Model optimization has an important influence on the accuracy of simulation results based on finite element models. Existing research have been carried out various ideas for model correction to make the finite element model consistent with reality and easy for engineering practice. Good results have...

With the development of China’s economy and industrialization, the steel clarification tank has become an essential and important component in sewage treatment and chemical production, playing a crucial role in improving treatment efficiency and reducing costs. This paper studies the deformation of a...

As an innovative retaining structure, the pile-supported beam retaining wall has gained extensive application in complex geological environments such as submerged embankments, steep slopes, and low-bearing-capacity embankments due to its unique design philosophy and constructional merits. This study...

This study investigates the stability and mechanical performance of a lattice-type high-pile cap foundation for an STT323 tower crane in soft soil conditions at a Shanghai office complex. The foundation, elevated 10 m with a 5.5 m×5.5 m cap, employs lattice columns (cross-sectional side length: 480 mm)...

The single-cylinder foundation for offshore wind power has significant application potential in China’s wind power industry, particularly for deep-water regions, due to its ease of installation and excellent resistance to overturning. This paper investigates the response characteristics of the soil surrounding...

In order to study the influence of large temperature difference on the seismic performance of cable-stayed bridge, a cable-stayed bridge with a temperature difference of 105m+240m+105m was used as the background, and the concrete axial compression tests were carried out at 40℃, 20℃ and -30℃ respectively,...

Based on the simulation technology of LS-DYNA software, this study conducted comprehensive and detailed finite element simulations of concrete-filled steel tube (CFST) columns strengthened with carbon fiber-reinforced polymer (CFRP) wrapping under lateral impact loading. After validating the reliability...

The material deterioration of existing railway concrete bridges in the service process is frequent, and it is urgent to strengthen and repair them. Ultra-high performance concrete, as a repair material, has excellent mechanical properties. In this paper, the interfacial bonding properties of ultra-high-performance...

Concrete continuous box-girder bridges, boasting excellent mechanical performance and construction convenience, have seen prevalent applications in bridge engineering. However, during long-term operation, these bridges are susceptible to various external environmental factors, leading to issues such...

The analysis of geometric nonlinearity in structural engineering has gained increasing attention due to the growing complexity of modern structures, such as high-rise buildings, bridges, and aerospace components, which are often subjected to large displacements and rotations under extreme loading conditions....

With the elevated production of municipal construction waste, the use of construction and demolition waste as recycled aggregate (RA) in the subgrade has become a sustainable and environmentally friendly disposal method. In order to reveal the single-particle crushing behavior of different recycled aggregates,...

The research of hydraulic fracturing theory and technology is developed with the development of oil and natural gas, and in the petroleum industry, hydraulic fracturing technology has been an important measure to increase the production of oil and natural gas. In order to study the crack extension law...

Bridge rotation construction significantly reduces high-altitude work, lowers construction difficulty, and minimizes disruption to traffic below. At the same time, it enhances construction efficiency and improves overall safety. This paper takes the national highway 108 overpass of the Nantongtu Railway...

This paper focuses on the steel plate-honeycomb sandwich structure, combining static experiments, theoretical analysis, and observations of deformation phenomena during composite structure experiments to study the impact of different parameters on the mechanical properties of the composite structure....

In order to enhance the shear strength of mortar - laid through joints in traditional masonry structures and in combination with the development of prefabricated buildings, a new type of prefabricated prestressed masonry structure is proposed. By connecting the through joints with sleeves and wrapping...

This paper focuses on marine large display terminals and systematically investigates their vibration response characteristics using the finite element analysis method. First, through modal analysis technology, we extracted the first six natural frequencies of the display terminal: 86.47 Hz, 87.42 Hz,...

The synchronous top-pushing method of construction offers advantages such as a relatively short construction period, smooth pushing process, and simplified traffic management. In recent years, it has been widely adopted for constructing overpass bridges on operational highways. Currently, there are no...

To address the prevalent issues of low lateral resistance and ductility in corrosion-resistant FRP-confined members, as well as weak FRP-concrete interfacial bonding, this paper proposes a novel marine engineering structural component: FRP-steel-ultra-high performance concrete (UHPC) composite tube (FRP-steel-UHPC...

Objective: To enhance the intelligence and modularization of track equipment design, optimize the decision-making process, and improve the adaptability and scalability of product families. Method: The study integrates the AHP-QFD approach to analyze user demands and technical features, employs K-means...

To prevent early cracking of concrete during the construction period of long-span composite girder bridges with corrugated steel webs, the influence of concrete hydration heat on early stress and temperature fields of structures was studied through on-site testing. A finite element analysis model was...

To effectively address the issue of controlled or suspected vehicles attempting to breach checkpoints after decelerating or stopping, based on a full investigation of the research status in this field, this paper proposes and designs a linear shaped charge jet perforation structure. The structure aims...

Chloride ions in marine environment can significantly accelerate the corrosion of steel bars in concrete structures, which threaten the safety and durability of engineering structures. This paper presents a method for the corrosion determination of steel bar in concrete structures in marine corrosion...

Longshan Bridge is located on the mainstream of the Han River in the Danjiangkou Reservoir. The main bridge takes a 6-span prestressed concrete continuous beam with a solid pier and bored piles as the foundation. The construction of piers 7 #~9 # of the main bridge, which are far away from the riverbank,...

The purpose of this study is to improve the utilization rate of waste concrete, and for the curing environment in large temperature difference areas, the effects of large temperature difference curing and standard curing on the mechanical properties of cement stabilized recycled aggregate (CSRA) are...

This article systematically summarizes and analyzes the research status of critical failure temperature and fire protection technology of aluminum alloy structures, aiming at the problem of poor fire resistance performance of building aluminum alloy structures. It proposes to determine the critical failure...

Molybdenum tailings are the waste of molybdenum extracted from refined molybdenum ore. Because of its potential gelling, it can be prepared as a cementing material instead of cement. In order to improve the pozzolanic activity of molybdenum tailings, mechanical activation method was used to discuss the...

As a relatively novel structural form, regionally confined concrete (RCC) has seen limited research and application in beams. This paper investigates the shear performance of RCC beams through experimental studies and a synthesis of existing literature. The shear bearing capacity was calculated using...

This study investigates the mesoscale damage and mechanical behavior of concrete under loading by establishing a three-dimensional mesoscale model and conducting uniaxial compression simulations. Traditional methods are insufficient in accurately capturing crack propagation, stiffness degradation, and...

To investigate the factors influencing the bonding strength between the PAC-13 overlay and the underlying layer, this study focused on a porous asphalt concrete (PAC) overlay project on the Yan-Jing Expressway. Six types of core samples were subjected to conduct shear strength test at three temperatures...

This study investigates the emission characteristics of B24 low-sulfur biofuel (24% FAME + 76% LSFO) compared to marine low-sulfur fuel oil in low-speed marine diesel engines. Emissions of carbon dioxide (CO₂), nitrogen oxides (NOₓ), carbon monoxide (CO), total hydrocarbons (HC), and black carbon (BC)...

This article focuses on Nearly Zero Energy Consumption Residential Building, Using software such as Green Building SWIER, a model was established, and the simulation results under different operating conditions were compared and analyzed. The results show that when Increasing the thickness of the insulation...

Currently, China’s urban development has entered an important period of urban stock renewal, and the adoption of Self-Update mode in old residential areas is conducive to making up for the deficiencies of government-led and market-led modes in the mismatch of public goods and transitional real estate....

Highway traffic accidents often cause traffic disruptions, leading to economic losses. The current methods of quantifying and reporting road traffic accident losses in China are unclear, lacking analyses of economic losses in reconstruction and expansion projects. Given the variety of traffic organization...

With the development of the transportation industry, the requirements for pavement structures are increasingly demanding. Traditional semi-rigid base asphalt pavement structures often suffer from early damage issues. This paper proposes a semi-flexible low-dose cement-stabilized crushed stone base, which...

In order to study the road performance of rubber-cement stabilized gravel base, the road performance of rubber-cement stabilized gravel base is explored through different amount of rubber powder, mechanical properties of different cement dosage and crack resistance performance index. The apparent morphology...

To investigate the dynamic response of the frame structure of the skid-mounted substations with electronic control reinforced by buckling-restrained braces (BRBs) under high-intensity earthquake and wind loads, the study utilized the Plastic (Wen) connection element in SAP2000 finite element software...

Dynamic control of underground powerhouse construction can ensures the construction progress and quality of hydropower station. Based on the comprehensive management and control of underground powerhouse construction, the intelligent monitoring, comprehensive analysis, dynamic management and control...

In construction engineering management, cost estimation is crucial, but traditional models often lead to inaccurate estimation due to the failure to accurately capture the dynamic cost changes. To this end, we developed a data mining-based model for construction engineering cost estimation, using least...

In the modern logistics environment, effective cargo packing and stowage strategies are crucial to improving transportation efficiency and meeting customer needs. Improving cargo loading efficiency will help increase transportation capacity and reduce transportation costs. Freight EMUs are limited by...

In the face of the dual challenges of an aging population, negative growth, and the increasing frequency of extreme climate events, urban sustainability has become a key concern in contemporary development strategies. This study proposes a comprehensive assessment framework to tackle these challenges,...

This study employed audio-visual experiments to examine the influence of landscape elements in tropical island city coastal public spaces on respondents’ overall satisfaction, comfort, and aesthetic perception. The findings indicate that landscape elements below eye level are less likely to be perceived...

The evaluation of underground space development suitability is a crucial initiative for the multidimensional development of cities. It serves as the primary foundation and basis for formulating scientific and rational underground space utilization plans and land use regulations. Recent domestic research...

Bridge and culvert transition section is the key position of road and bridge connection, and its mechanical properties have a direct impact on traffic safety and road service life. In this paper, we focus on the bridge culvert transition section to set up the lap plate and not set up the lap plate under...

Objective assessment of railway track quality is vital to determine track maintenance operations to ensure train running safety and passenger riding comfort. A unit section is represented as a window on the chart of track quality parameters measurement data along the kilometrage x-axis. To obtain complete...

A planar support structure model of a semi hidden frame glass curtain wall for high-rise buildings was constructed by preparing tempered glass panels with a length of 1500 mm, a width of 1000 mm, and a thickness of 10 mm, 6061-T6 aluminum alloy main keel, and silicone structural adhesive as experimental...

This paper reviews the impact of urban park green spaces on residents’ physical and mental health and systematically analyzes the research findings in this area. Specifically, the influence of urban park green spaces on physical health is manifested through the provision of exercise and leisure spaces...

In order to enhance the resilience of cities in front of flood disaster and improve the efficiency of urban management, the resilience and spatial and temporal evolution of urban flood disaster are studied. Based on the concept of urban resilience, construct urban flood resilience assessment model based...

In the era of rapid information technology development, data centers are crucial for modern society’s operation, housing valuable equipment and vast amounts of data. A fire in data centers would lead to immeasurable losses, making active fire protection systems essential. The existing researches on data...

Air logistics is an important way for regional participation in world trade connection. The development of air cargo–oriented industries is often clustered around the airport due to time efficiency constraints. Airport logistics and air cargo–oriented industries become an important engine of regional...

Aiming at the problems of inefficiency and difficult collaboration of traditional building design methods, this paper proposes BIAO, an intelligent building design optimization framework integrated with BIM and AI, which realizes the effective conversion of BIM data through the hierarchical information...

The underground powerhouse cavern group of hydropower projects has the characteristics of large scale, complex geological structure conditions, and strong excavation disturbance. The analysis and evaluation of the surrounding rock quality are crucial for the stability, construction safety, and operation...

This paper comprehensively explores the prefabricated construction industry. While the United States and Japan have achieved a high level of industrialization in prefabricated construction, boasting advanced manufacturing and installation technologies, developing regions lag behind with relatively low...

This article uses FLAC3D 7.0 software to simulate, calculate, and analyze the settlement of a taxiway bridge. The boundary conditions are set as free field boundary and static boundary, and the Burgers-Mohr model is selected as the constitutive model. The Class IV and V loads of the taxiway bridge are...

The logistics sector is a fundamental, strategic, and leading industry that supports the development of the national economy. High-quality logistics development is a key component of high-quality economic development. This article uses digitization as the research background and uses panel data from...

With the rapid development of tunnel cities, building density continues to increase, and land resources are becoming increasingly scarce. Pursuing coordinated above-ground and underground construction has gradually become a major trend in urban development. As a result, the issue of proximity between...

In order to explore the rut change law of multi-asphalt pavement structure of heavy-duty highway, the influence of actual traffic axle load on pavement design life is studied by analyzing the measured traffic axle load of heavy-duty highway and comparing the difference between actual and designed axle...

To meet the stringent requirements of lightweight and durability in pedestrian aerial ropeway bridges, this study proposes a novel aluminum alloy deck system and conducts a comprehensive dynamic performance analysis using ANSYS finite element software. By comparing the dynamic characteristics of the...

As a new type of storage structure, the prefabricated steel plate-concrete underground silo can efficiently utilize underground space, save energy and reduce carbon emissions, and ensure a sealed low-temperature grain storage environment. The analysis of internal forces and displacements of the composite...

In order to solve the problem of excess steel slag resources and shortage of natural aggregates required for traditional highway construction, several studies have verified the feasibility of using steel slag as pavement aggregate, and related test sections have been laid, which shows that the performance...

With the acceleration of urbanization, the quality of urban environment has gradually become a core factor affecting the quality of life of residents. As shown in Figs. 4, land use changes in Hong Kong over the past 20 years reflect this development trend, and urban greening, as an important part of...

This paper systematically examines the prevalent implementation forms of contemporary automatic loading and unloading systems for power metering materials, grounded in their distinct characteristics. It further undertakes a comprehensive technical comparison analysis of their respective technical attributes...

Traditional villages are not only the aggregation of historical memory and the vivid embodiment of civilization progress, but also the historical and cultural treasures that cannot be copied. As rural settlements for inheriting regional traditional culture, they have irreplaceable value. Based on the...

For decades, studies have used a semi-empirical method to correlate the undrained shear strength ( s u ) of clay with CPTu profiles; however, extensive experimental data indicate significant variability in the...

In the field of nuclear energy civil engineering and construction field, spent fuel reprocessing is a crucial issue that cannot be bypassed, involving various process equipment that requires more effective health monitoring. A health monitoring system was designed and built for the sedimentation centrifuge...

With the continuous advancement of urbanization and the increasing number of urban residents, the ecological and water environments in cities are gradually deteriorating. In the current stage, in order to protect the ecological and water environment of the city, in addition to our joint efforts to reduce...

The transportation and civil construction sectors have placed higher demands on the study of the stability and mechanical behavior of geotechnical materials. In particular, the precise simulation of the microstructure of rock masses is critical for engineering design and safety assessments in tunnels...

This study identifies potential risk events in maintenance and repair activities involving working at heights for port equipment and facilities, and analyzes the risk factors contributing to such events. Based on the process management methods for working at heights, key on-site safety risk prevention...

In order to understand the effect of wind load on the force state of tower crane, the finite element model of tower crane was established by using Midas Gen software, and the stress and deformation analyses of tower crane were carried out. The results show that the dangerous parts of the tower crane...

The multi-expansion anchor rod is a new type of anchor rod, which is designed to solve the problems of insufficient anchorage force and limited anchor rod length in traditional anchor rods used in slope support applications. The multi-expansion anchor rod expands the contact area with the rock and soil...

Flowable soil cement has high fluidity and is a self-leveling, low-cost material that can be used under various complex working conditions. The experiment used loess from the Qilihe District, Lanzhou City, Gansu Province as the base soil, cement and sandstone as auxiliary materials, soil stabilizer as...

In response to the high maneuverability demands of kelp harvesting vessels during row-changing operations, this study employs a screw propeller instead of traditional propellers as the propulsion device. To ensure that the screw propeller meets the requirements for kelp harvesting vessels, the study...

With the rapid development of urban rail transit, the early warning of equipment failure and maintenance decision-making is particularly important. Based on deep learning algorithm, this paper proposes a method for the optimization of early warning and maintenance decision-making of key equipment failure...

In the alluvial plain area of the Ush Talar River, there is a widespread distribution of fine saline soils. Due to the special properties of fine saline soils, they are highly prone to issues such as salt heaving, thaw settlement, and mud pumping, which often cause harm to engineering structures. Water-salt...

A periodic oscillation in the working chamber pressure was observed in the pressure test data of the recoil mechanism, with an amplitude accounting for 6% of the maximum pressure. This pressure fluctuation affects the calculation of the hydraulic resistance of the recoil mechanism. In previous studies,...

This study employs sulphoaluminate cement as the primary solidifying agent and municipal solid waste incineration bottom ash as the auxiliary solidifying agent to conduct solidification treatment on leachate sludge from domestic waste landfills. The results indicate that: (1) Sulphoaluminate cement demonstrates...

Aiming at the vibration problem of the high-precision ship-borne printer in extreme environments, this paper conducts a systematic study of the dynamic characteristics. First, the finite element method is used to analyze the first six modes of the printer, revealing its natural frequencies and mode shape...

The accuracy of soil mechanical parameters has an important impact on the numerical simulation results of foundation pit engineering. Since the soil parameters often change during the construction process, the parameters need to be dynamically corrected in order to improve the accuracy of numerical simulation....

In the construction of gas-rich tunnels, the design and performance of the ventilation system are critical to ensuring construction safety and operational efficiency. This study utilizes numerical simulation and comprehensive analysis to evaluate and compare the performance of straight joints and Y-joints,...

The fluctuating wind pressure in local areas of high-rise buildings exhibits strong volatility, which is affected by airflow separation and vortex shedding, making its probability distribution no longer conform to Gaussian distribution. This article takes the wind pressure test data of Shanghai Global...

In this study, a geotechnical tunnel surrounding rock stability analysis model is established based on the random forest algorithm in order to improve the accuracy and reliability of surrounding rock stability prediction in tunnel engineering. Through testing and data collection of geotechnical parameters,...

To address the stability issue of guest soil in the ecological restoration of high-steep rock slopes, an anchor-double net-baffle (ADNB) slope ecological protection system was proposed. This system formes a three-dimensional flexible structure with anchors, double nets and baffles. Indoor rainfall simulation...

Based on the monitoring data from a specific base's vacuum joint loading pre-pressure reinforcement project, this analysis delves into aspects such as surface settlement, layered settlement, pore water pressure, and horizontal displacement. The findings reveal that variations in the foundation soil...

A sensitivity analysis was conducted on two local geological parameters of the tailrace outlet slope at a pumped storage hydropower station to evaluate their influence on local geological displacement and the overall extent of the plastic zone. The analysis aimed to identify the critical factors influencing...

This study investigates the compaction characteristics of fragmented gangue in residual mining areas, addressing stability challenges during upward mining of abandoned coal resources in China. Through confined compression tests using a WES-1000B electro-hydraulic servo testing machine, we examined the...

Rocks may undergo changes in internal structural integrity due to the coupling of cyclic loading and acidbase corrosion (CL-AC), which can subsequently alter their mechanical properties. Based on uniaxial compression tests with acoustic emission, the coupling of CL-AC on the mechanical behavior of sandstone...

Based on the engineering case of a gently inclined bedding rock slope containing weak interlayers, this study summarizes the engineering characteristics of weak interlayers and preliminarily determines that the slope failure mode is bedding slip-tensile cracking, with the weak interlayer being the primary...

This paper separately studies the friction strength and cementation strength of loess skeleton. The carbonate, silt and coarse particles serving as the skeleton structure in loess are separated, and carbonate samples, silt samples and skeleton particle samples are made. Then, direct shear tests are conducted...

Local site conditions significantly influence ground motion and are critical for earthquake engineering and geotechnical earthquake engineering. Earthquake early warning systems (EEWs) typically rely on early ground acceleration records to estimate magnitude, which are inevitably affected by site effects....

Unlike horizontal seabeds, offshore seabeds typically exhibit varying inclination angles. This inclined topography alters both the propagation paths and reflection characteristics of seismic waves, leading to significant variations in seismic impacts across different seabed zones. As a key structural...

The utilization of soft soil in civil engineering projects is fraught with challenges, primarily due to its inherent weaknesses including high water content, high void ratio, high compressibility, low permeability, and low bearing capacity. This study proposes a novel three-dimensional sandy drainage...

Loess sinkholes are one of the common diseases on loess slopes. To study the influence of loess sinkholes on the stability of loess slopes under rainfall conditions, indoor artificial rainfall simulation tests were carried out based on the rainfall similarity criterion. The corresponding laws of the...

This paper investigates the data obtained from field tests and laboratory geotechnical experiments. Based on the semi-variogram method theory and the establishment of a random field model foundation, the data is detrended, followed by verifying stationarity and ergodicity. We comparatively analyze three...

This study investigates a deep foundation pit project on the south bank of the Taiping River in Chang'an District, Shijiazhuang City, Hebei Province. The project features 7–18 floors above ground and 1–2 underground floors, with excavation depths ranging from 5.5 to 9.3 m under complex geological...

An analysis was conducted on the example of treating collapsible loess in highway engineering, and it was found that the lime soil compaction pile method can reduce the soil subsidence coefficient and compression coefficient, and the larger the compression coefficient, the more obvious the effect and...