All of the articles in this proceedings volume have been presented at the 2025 International Conference on Resilient City and Safety Engineering (ICRCSE 2025) during June 6-8, 2025 in Nanjing, China. These articles have been peer reviewed by the members of the Scientific Committees and reviewers and...

Perlite lightweight concrete has been extensively utilized in building structures. However, during its usage, the long-term loading on the building structure leads to a deterioration of the mechanical properties of perlite lightweight concrete and significantly impacts the durability of the building....

This study examined the influence of five widely utilized flocculants—specifically, 12 million molecular weight anionic polyacrylamide, 18 million molecular weight anionic polyacrylamide, cationic polyacrylamide, non-ionic polyacrylamide, and polymerized aluminum chloride—on the properties of concrete...

The southwestern region of China has complex terrain with many slopes, requiring a large number of buildings to be constructed on slopes. To ensure the safety of fill slope retaining structures, this paper recommends an economical, environmentally friendly, and stable retaining structure. Using a case...

Since the beginning of the 21st century, artificial islands made of dredged soil and hydraulic fill from port waterways have become one of the main land uses for engineering construction. Such sites are usually located beneath deep marine silt layers, which are mostly saturated, soft plastic to flow...

Pile-supported low embankments offer significant advantages, such as enhancing the bearing capacity of the subgrade, reducing subgrade settlement, and mitigating the drawbacks associated with high embankments, including excessive land occupation and environmental concerns. However, a conclusive definition...

Many Bridges in service are faced with safety hazards such as structural damage and reduced bearing capacity, so it is very important to establish a scientific bridge safety evaluation system. The bridge safety evaluation index system is constructed, and the weight of the index is determined by game...

Seismic resilience assessment of transportation networks is essential for effective emergency response and infrastructure management. However, traditional Monte Carlo simulation-based methods are computationally intensive, making them impractical for real-time decision-making. To address that problem,...

With the widespread application of shield tunneling in large-scale hydropower projects, controlling surrounding rock disturbance has become a critical challenge. This study focuses on the development of an intelligent control framework that integrates multi-source sensing, real-time monitoring, machine...

Due to the inherent characteristics of immersed tunnels, any unexpected incident during operational periods may lead to immeasurable losses, necessitating heightened attention to safety risks. This study investigates the structural impacts of flooding risks in operational immersed tunnels through numerical...

Submarine pipelines experience continuous exposure to complex loading conditions during operation, including external hydrostatic pressure, axial tension and bending moment. The interactive effects of combined loadings significantly amplify structural vulnerability to catastrophic collapse, particularly...

With a purpose to overcome the problem of lower load-bearing capacity and more complex assembly process of socket-connected bridge piers, this paper proposes a new type of tenon-core socket precast pier with ultra-high performance concrete as the connecting material, and carries out the quasi-static...

Cross laminated bamboo and timber (CLBT) is a new type of bamboo and timber composite materials used in engineering activities. Similar to cross-laminated timber (CLT), CLBT exhibits the dimensional flexibility for diverse structural applications This study investigates the dynamic properties of CLBT...

Alkali-activated concrete, a low-carbon material derived from industrial by-products, offers a promising alternative to traditional cement. When applied in concrete-filled steel tube (CFST) structures, it can reduce environmental impact and expand the selection of structural materials. However, its high...

Although phosphogypsum concrete shows great potential in practical applications, there is currently an urgent need for more in-depth research on its mechanical properties and meso-scale failure mechanisms. This study systematically investigates the bending failure mechanisms and mechanical response characteristics...

This paper systematically studies the evolution and prospective vision of prefabricated shear wall structural systems. The definition, characteristics, development history, and global development status of prefabricated buildings are first presented. Then, the classification of prefabricated shear walls...

With China’s rapid infrastructure expansion, prestressed concrete continuous girder bridges have become prevalent in modern railway and highway projects. The cantilever casting method for Block 0 segments creates persistent interfacial constraints between concrete and the non-removable film-covered formwork...

Urban fire stations are responsible for the important tasks of firefighting and emergency rescue, and are an important part of urban fire infrastructure. Scientific planning and layout of fire rescue stations is an important means to improve the efficiency of fire services and optimize the allocation...

To study the structural deformation risk caused by the construction of a double-track shield tunnel passing under the terminal building, this paper takes the Zhengzhou-Xuzhou Intercity Railway passing under the airport terminal building project as the background and uses the Midas GTS NX finite element...

Grouted sleeves have become the most widely used connection method in prefabricated bridge substructures due to their reliable performance, broad applicability, and ease of installation. Consequently, the mechanical performance of grouted sleeves is critical to the safety of prefabricated bridge substructures....

This article conducts an in-depth study on the fire resistance performance of the X-type intersecting joint of stainless steel square main pipes and round branch pipes. By establishing a finite element model, the mechanical behavior of the joint in a fire environment is simulated, and the effects of...

This study is based on a highway reconstruction and expansion project focusing on the excavation beneath channel bridges, it may face the risk of structural damage to the old bridge and traffic safety accidents during the operation period. Employing finite element numerical simulations, the potential...

There has always been significant disagreement in the academic circle regarding the effect of setting system bolts in the initial support of mudstone tunnels. Relying on the medium and thick layer mudstone tunnels of expressways, considering the influencing factors such as the spatio-temporal effect...

The pier is a critical component of bridge structures, and its load-bearing capacity directly impacts the safe operation of the bridge. However, during its service life, piers are susceptible to various structural defects that degrade their load-bearing capacity. To systematically investigate the influence...

A novel prestressed NiTi-SMA/CFRP composite material was developed by utilizing the shape memory effect and super-elasticity of NiTi-SMA wires to apply prestress to the CFRP layer, and used to strengthen RC circular columns. Axial compression tests were conducted on one control column and four composite-strengthened...

Prior research has established that the built environment exerts a significant influence on evacuation behavior during fire emergencies, with wayfinding more strongly shaped by building layout than by conventional signage. Nonetheless, the mechanisms by which individuals identify escape routes remain...

In the process of drilling and blasting construction of mountain tunnel, CO gas produced by blasting will endanger the life safety of construction personnel, and the construction progress will be affected if CO emission is not timely. Based on the construction of a mountain tunnel by drilling and blasting...

Safety investment in the construction industry is the fundamental guarantee of operation and production. The efficiency is affected by internal and external environmental factors. The measurement of safety efficiency can affect the safety decision-making of enterprises. The study calculates the safety...

To address the prevalent inaccuracies in arch rib alignment and the illogical outcomes of cable forces encountered during the cable-stayed buckle suspension construction of long-span steel box arch bridges, we introduce a novel multi-scale optimization method for determining the cable forces in a 570-m-span...

The construction process of a shield tunnel near-underpassing highway bridge piles involves critical challenges in ensuring the structural safety and deformation control of the bridge piles. This paper systematically investigates the impact of shield tunnel construction on highway bridge piles using...

Curve suspension bridges, with their unique design, are often used for scenic bridge construction. A prime example is the Shanghai Disneyland Curve Suspension Bridge and the Hemei Bridge on the Xiamen Mountain-Sea Health Trail. During the construction of such bridges, the impact of temperature effects...

This study investigates the thermal stress and displacement in concrete filled steel tube (CFST) induced by hydration heat through numerical simulation. The temperature field, stress distribution and displacement caused by cement hydration are systematically examined. The effect of ambient temperature...

In view of the urban gas safety management work in China, the concept of full-chain management is introduced. Through in-depth analysis and research on construction, supply, use, supervision, emergency response, and other aspects, hidden danger investigation work is carried out to identify existing problems...

This study investigates a 60-meter-long karst tunnel through a finite difference model developed in FLAC3D, incorporating pore water seepage effects. An orthogonal experimental design was adopted, constructing a standard L64.8.9 orthogonal array (nine factors at eight levels, 64 test cases) to evaluate...

Ensuring a safe working environment within underground cable maintenance manholes is critical due to the frequent accumulation of hazardous gases, such as ammonia (NH3), which pose significant health risks. This study proposes a novel annular jet ventilation system and evaluates its pollutant removal...

This paper proposes an intelligent bridge structure damage identification method based on multi-source sensor data fusion and Graph Convolutional Networks (GCN). As bridges age, structural damage monitoring becomes crucial for ensuring traffic safety. Traditional structural health monitoring methods...

To address the issue of insufficient accuracy in identifying fine cracks in concrete bridges under complex backgrounds, a new crack detection model based on SPF-YOLOv11 is proposed. The model integrates Space-to-Depth Convolution (SPD-Conv), Feature Pyramid Shared Convolution (FPS-Conv), and the small...

This study conducted a quasi-static uniaxial compression test to investigate the compressive properties of foamed metal and cementitious composites. The failure phenomenon, stress-strain curve, and compressive toughness index of the tested specimens were analyzed, and the compressive properties of the...

With the digital transformation of construction engineering, traditional construction management is unable to meet the needs of large-scale projects due to outdated information and inefficient decision-making. This article adopts the technical details of AI algorithms (such as YOLOv5 object detection)...

To address the issue of low utilization rate of a substantial amount of fine aggregate (particle size <5mm) in recycled asphalt pavement (RAP), a method is proposed to agglomerate RAP fine aggregate into recycled coarse aggregate (particle size range 5mm~15mm). Cement (20%, 30%, 40%) is used as the...

Against the backdrop of deep integration between construction industrialization and green building, high-end public buildings impose higher demands on the functionality, aesthetics, and construction efficiency of prefabricated composite curtain walls. This paper addresses common industry challenges such...

As the core load-bearing system of modern large-scale buildings, complex spatial steel structures play a pivotal role in enhancing engineering efficiency and quality through intelligent optimization technologies. This paper addresses prevalent issues in current steel structure joint design, such as low...

In this paper, conventional triaxial compression tests were conducted to obtain the full stress-strain curve of deep roadway rock mass. Considering the post-peak flow and drop failure of the curve, the surrounding rock was divided into three zones: elastic zone e+ plastic flow zone w+ fracture zone b....

This study systematically explores the formulation and management of Safety Operating Procedures (SOPs) for hazardous chemical enterprises, addressing critical risks in the chemical industry. By analyzing recent accident cases, it highlights that inadequate SOP development or enforcement remains a primary...