Civil Engineering and Disaster Prevention : Proceedings of the 4th International Conference on Civil, Architecture and Disaster Prevention and Control (CADPC 2023), Suzhou, China, 24-26 March 2023

Cover Title Page Copyright Page Table of Contents Preface Committee Member Civil seismic detection and structural reinforcement Impact of subway station upper span construction on existing railway tunnel structure 1 Introduction 2 Construction Details 2.1 Project description 2.2 Geological condition 3 Numerical-Analytical Methods 3.1 Material parameters 3.2 3-Dimensional model analysis 4 Results and Discussion 5 Conclusions Conflict of Interest Statement References The safety of adjacent road structures in a tunnel construction project 1 Introduction 2 Project Overview 3 Numerical Simulation Analysis of Project Construction 3.1 Constitutive model 3.2 Calculation of unit type and model parameters 3.3 Calculation profile analysis 4 Conclusions References Experimental and finite element parameter analysis of modular assembled composite shear wall considering corner structure optimization 1 Introduction 2 Test Survey 2.1 Specimen design 2.2 Test loading and measuring point arrangement 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3 Experiment Results And Analyses 3.1 Specimen failure characteristics and crack development 3.2 Specimen failure characteristics and crack development 3.3 Stiffness degradation 4 Numerical Model Establishment and Verification 5 Parameter Influence Analysis 5.1 Numerical model establishment and verification 5.2 Analysis of calculation results 5.2.1 Influence of the length-to-span ratio. 5.2.2 Influence of rib thickness ratio. 5.2.3 Influence of thickness ratio. 6 Conclusions References Engineering application of the tunnel disease rapid detection system 1 Introduction 2 Tunnel Detection Vehicle Function Test 3 Engineering Application of Tunnel Disease Rapid Detection System 3.1 Comparison of lining diseases 3.2 Comparison of interior decoration diseases 4 Conclusions References Deep learning-based recognition method of ground penetrating radar images for cracks inside pavement structures 1 Introduction 2 GPR Detection and Data Processing 2.1 GPR detection of pavement structures 2.2 Data processing of GPR images 3 Object Detection Model 3.1 Data processing of GPR images 3.2 Evaluation index of the YOLOv5 model 4 Results and Discussion 5 Conclusions References Shaking table test of frame structure considering bidirectional earthquake 1 Introduction 2 Model Design 2.1 Similarity relationship 2.2 Model design drawing 3 Test Scheme 3.1 Seismic wave selection 3.2 Test condition 4 Analysis of test Results 4.1 Dynamic characteristic analysis 4.2 Acceleration response analysis 4.3 Displacement response analysis 4.4 Inter-storey shear force 4.5 Residual deformation 5 Conclusions References Establishment method of evaluation index for the impact of chloride ion erosion on bearing capacity of reinforced concrete structure of tidal sluice 1 Introduction 2 Damage Mechanism of Reinforced Concrete Structure by Chloride Ion Erosion 2.1 Mechanism of concrete corrosion by chloride ions and model selection 2.2 Corrosion mechanism and corrosion rate estimation of steel bars in chloride ion environment 3 Establishment of Bearing Capacity Index of Concrete Structure Corroded by Chloride Ions 3.1 Influence of steel bar corrosion on bond stress between steel bar and concrete 3.2 Establishment of an evaluation index for structures affected by chloride ion erosion 4 Conclusions References Evaluation of technical status of concrete beam bridge based on machine learning 1 Introduction 2 Ensemble Learning Algorithms 2.1 XGBoost 2.2 LightGBM 2.3 CATBoost 3 Modeling and Analysis 3.1 Bridge status database 3.2 Bridge technical condition classification model 3.3 Model evaluation 4 Conclusions References Reinforcement effect of the anti-slide pile on structural slope plane based on point safety factor method 1 Introduction 2 Computing Method 2.1 Calculation model 2.2 Calculation parameters 2.3 Computing method 3 Results &x00026; Discussion 3.1 Safety factor analysis of main structural surface points under natural conditions 3.2 Analysis of safety factor of main structural surface points under reinforcement condition 4 Conclusions References Experimental study on the influence of stirrup on axial compression performance of full-scale concrete square column 1 Introduction 2 Test Overview 2.1 Specimen design and production 2.2 Mechanical properties of specimen materials 2.2.1 Reinforcement 2.2.2 Concrete 2.3 Measurement scheme 3 Description of Failure Process and Morphological Characteristics of the Specimen Test 4 Test Results and Analysis of Specimens 4.1 Ultimate bearing capacity of specimens 4.2 Stress-strain curves of concrete in the constrained core area 4.3 Analysis of influencing factors of concrete stress-strain relationship in the confined core area 5 Conclusion References The method of monitoring the health status of buildings based on Beidou 1 Introduction 2 Communication Network Selection 3 Sensor Layout Principles 4 Monitoring Program Layout 5 Design of Building Security Monitoring Indicators 5.1 Tilt monitoring 5.2 Settlement monitoring 6 Conclusion and Outlook References Based on Beidou navigation satellite system bridge variation monitoring analysis and research 1 Introduction 2 BDS Working Principle 3 Monitoring Scheme 3.1 Communication network selection 3.2 Layout location selection 4 Determination Method of Key Indicators 4.1 Tilt determination method 4.2 Measuring method of deflection 4.3 Vibration measurement method 5 Conclusions References Numerical simulation of reinforced concrete beam four-point bending test based on dual-particle Peridynamics 1 Introduction 2 PD Theory Introduction 2.1 Basic idea and basic model construction 2.2 Model construction 3 Benchmark Problem 4 RC Four-Point Bend Simulation 4.1 Model basic information introduction 4.2 Explanation of the model running process 4.3 Image analysis of model results 4.4 Conclusion 5 Conclusion 5.1 Strengths of the results in this paper 5.2 The problems that still exist References Discussion of foundation improvement methods for thick rock-filled gravel based on Wudangshan Airport, Shiyan, China 1 Introduction 2 Parameters and Models 3 Analysis of the Simulation Results 3.1 Maximum allowable post-work settlement 3.2 Numerical simulation results 3.3 The law of post-work settlement variation 3.4 Variation in the height of thick rock-filled gravel 4 Discussion of Foundation Improvement Methods 5 Conclusions References Effects of length, shape, and dosage of steel fiber on mechanical properties of steel fiber reinforced concrete 1 Introduction 2 Influence of Steel Fiber Length on Mechanical Properties of Concrete 2.1 Experimental materials and methods 2.2 Experimental result and analysis 2.2.1 Compressive strength 2.2.2 Flexural strength 2.3 Conclusion 3 Influence of Steel Fiber Shape on Mechanical Properties of Concrete 3.1 Experimental materials and methods 3.2 Experimental result and analysis 3.2.1 Compressive strength 3.2.2 Flexural strength 3.3 Conclusion 4 Influence of Steel Fiber Dosage on Mechanical Properties of Concrete 4.1 Experimental materials and methods 4.2 Experimental result and analysis 4.2.1 Compressive strength 4.2.2 Flexural strength 4.3 Conclusions 5 Discussion 6 Conclusion References Experimental study on the effect of fly ash proportion on the mechanical properties of sand concrete made by waste ultra-fine sand 1 Instructions 2 Materials and Methods 2.1 Sand 2.2 Cement 2.3 Fly ash 2.4 Water reducing agent 2.5 Ultra-fine sand concrete preparation 2.6 Mechanical property of sand concrete 3 Result and Discussion 3.1 Compressive strength 3.2 Splitting tensile strength 3.3 Immersion compressive strength 4 Summary References Deformation analysis of enclosure structure affected by foundation pit excavation 1 Introduction 2 Engineering Summary 2.1 Engineering background 2.2 Foundation pit excavation and support plan 3 Numerical Modeling 3.1 Modeling 3.2 Calculation of numerical model 3.3 Model validation 4 Analysis of Results 4.1 Effect of different support materials and numbers on the horizontal displacement of the enclosure structure 4.2 Influence of envelope parameters on the horizontal displacement of the maintenance structure 5 Conclusions References Key technology research on the establishment of the prefabricated component library of assembled structure based on BIM 1 Introduction 2 Prefabricated Structural Design Based on Bim 2.1 Prefabricated structural design process based on BIM 2.2 Creation procedure of prefabricated components information 3 Research on the Creation of the Prefabricated Component Library of Assembled Structure 3.1 Classification and coding of the stored prefabricated components 3.2 Creation of prefabricated components information 3.3 Preliminary establishment of prefabricated component library of assembled structure based on BIM 4 Research on Establishing the Bim Model for Prefabricated Shear Walls 5 Conclusions References Sensor fault classification for bridge SHM using LSTM-based with 1D-CNN feature extraction 1 Introduction 2 Sensor Fault Classification Related Theory 2.1 Feature extraction of one-dimensional convolutional neural network method 2.2 Fault classification by LSTM neural network method 2.3 Establishment of sensor fault classification model 3 Numerical Example Verification 3.1 Data collection 3.2 Model performance verification 4 Conclusions References Demolition technology of long-span concrete box girder in the upper span closed frame channel 1 General Instructions 2 Project Overview 3 Temporary Support Design 3.1 Beam segmentation 3.2 Temporary support structure 4 Analysis of the Cutting Step Sequence of the Beam 4.1 Design of the cutting step sequence of the beam 4.2 Numerical calculation results 5 Support Structure Design of the Lifting Equipment 5.1 Equipment support structure 5.2 Verification and calculation of stability 6 Conclusions References Design and application of the three-dimensional model for seepage deformation of diversion tunnel 1 Introduction 2 Key technologies 2.1 BIM + GIS 2.2 Key technologies for establishing dimensional parametric models 3 System overall design 3.1 Architecture design 3.2 System data organization 4 System function realization 5 Conclusion References Seismic response analysis of large-span structure considering rotational ground motion under uneven settlement sites 1 Introduction 2 Build a Structural Model 3 Modal Analysis 4 Selection of Ground Vibrations and Acquisition of Rotational Components 4.1 Selection of ground vibrations 4.2 Acquisition of rotational components 4 Setting of Uneven Settlement Conditions 5 Structural seismic response analysis 5.1 Structural displacement response 5.2 Structural torsional response 6 Conclusions References Numerical simulation of mechanical properties of fiber-reinforced recycled concrete beam-to-column joints under monotonic loading 1 Introduction 2 Establishment of Numerical Model 2.1 Numerical model 2.2 Constitutive relationship 3 Result Analysis 3.1 Load-displacement curves 3.2 Characteristic load 3.3 Shear deformation of the core area 4 Conclusions References Prediction and experimental research on fatigue life of corroded prestressed concrete beams 1 Introduction 2 Fatigue Life Prediction Method for Corroded PC Beams 2.1 Fatigue crack propagation model of corroded steel strand 2.2 Assessment of corrosion fatigue bond degradation 2.2.1 Fatigue bond stress 2.2.2 Calculation method considering residual strain of reinforcement under cyclic loading 2.3 Fatigue damage of concrete 2.4 Calculation process of fatigue life prediction for corroded PC beams 3 Experimental Program and Model Validation 3.1 Specimen details 3.2 Loading procedure 3.3 Concrete crack development 3.4 Failure modes and fatigue life 3.5 Model validation 4 Conclusions References Size effect of fly ash geopolymer concrete at different temperatures 1 Introduction 2 Test 2.1 Specimen model 2.2 Raw materials and mix ratio 2.3 Preparation and curing of test pieces 2.4 Test device and test method 3 Test Result 4 Size Effect of Fly Ash Geopolymer Concrete 5 Conclusions References The key problems of arch supported roof structural system design of a sports building in Xiaogan 1 Introduction 2 Structural System 3 Key Problems in Structural Design 3.1 Arch foot horizontal thrust 3.2 Super long plane temperature effect 3.3 Out-of-plane stability of Vierendeel truss arch 3.4 Out-of-plane stability of roof plane truss 4 Conclusions References An explainable two-stage data-driven approach for risk modelling in tunnel construction 1 Introduction 2 Development of a Hybrid ARIMA-DNN Model 3 Case Study 3.1 Project overview 3.2 Construction of the hybrid ARIMA-DNN model 3.2.1 Anomalies detecting monitoring data 3.2.2 Hyperparameters setting 3.3 Prediction results 3.3.1 Prediction accuracy 3.3.2 Prediction explainability 4 Conclusions References Experimental study on the collapse resistance of precast monolithic reinforced concrete beam-column subassembly with additional connecting steel bars 1 Introduction 2 Experimental Program 2.1 Specimen design 2.2 Materials 2.3 Test set-up 3 Test Results 3.1 Compressive arch action stage 3.2 Catenary action stage 3.3 Load-displacement curves 4 Conclusions References Experiment on the fatigue behavior of steel bridge deck pavement structures paved by high-content hybrid steel fiber reinforced self-compacting concrete 1 Introduction 2 Confirmation of the Most Unfavorable Loading Mode and Position 2.1 The most critical loading position 2.1.1 Model geometry parameters and model establishment 2.1.2 Model building and meshing 2.1.3 Model calculation results 2.2 Experimental loading mode and method 2.2.1 The method for loading the specimen 2.2.2 Selection of the specimen 2.2.3 The size of the specimen 2.3 Materials and proportioning 2.4 Experimental loading 2.4.1 Loading force and frequency 2.4.2 Loading times and damage guidelines 2.4.3 Experimental equipment 3 Results and Analysis 3.1 Fatigue damage patterns 3.1.1 Self-compacting concrete specimens without the addition of steel fibers 3.1.2 Self-compacting concrete specimens with single steel fibers 3.1.3 Hybrid steel fiber reinforced self-compacting concrete specimens 4 Discussion 4.1 A comparison of fatigue damage cracks 4.2 A comparison of fatigue life 5 Conclusion Conflicts of Interest References Structural performance design analysis of a high-rise office building beyond the limit 1 Introduction 2 Project Overview 2.1 Basic information 2.2 Structural design 3 Structure Overrun and Seismic Performance Target 3.1 Identification of overrun 3.2 Determination of performance objectives 4 Structural Calculation and Analysis 4.1 Elastic analysis under frequent earthquake 4.1.1 Mode decomposition response spectrum method 4.1.2 Elastic time-history analysis method 4.2 Floor stress analysis under seismic fortification 4.3 Dynamic elastoplasticity under large earthquake 4.3.1 Plastic hinge state of frame beam and column 4.3.2 Plastic hinge state of shear wall 5 Main Seismic Strengthening Measures 6 Conclusion References Study on stress intensity factor of steel wire with double surface cracks 1 Introduction 2 Crack Propagation Analysis Software FRANC3D 3 Calculation Model of Double Crack Steel Wire 4 Stress Intensity Factor Analysis of Steel Wire Double Crack 4.1 Concept of interaction between double cracks 4.2 Calculation results of single crack stress intensity factor 4.3 Stress intensity factor calculation results of parallel double cracks 4.4 Stress intensity factor calculation results of collinear double cracks 5 Conclusion References Intelligent building and equipment installation technology Utilization of recycled construction waste filler in urban greenway 1 General Instructions 2 Proposing the Concept of Sponge City Selecting 3 Improvement of Greenway Pavement Structure 3.1 Permeable slow lane 3.2 Slow traffic road with construction waste recycling materials as permeable base 4 Application Technology of Recycled Material Permeable Base 4.1 Grading selection 4.2 Grading correction considering secondary crushing of construction waste 4.3 Trial mixing test of recycled permeable base material 4.4 Strength test of recycled permeable base material 4.5 Drainage performance test of recycled pervious concrete base material 5 Discussion 5.1 Technical performance of recycled permeable concrete base 5.2 Suggestions for improving the drainage capacity of recycled permeable concrete base 6 Conclusions References Surveying and mapping ancient buildings with 3D laser scanning technology 1 Introduction 2 Overview of 3d Laser Scanning Technology 2.1 Principle of three-dimensional laser scanning technology 2.2 Technical process 3 Case Analysis 3.1 Project overview 3.2 Field data collection 3.3 Point cloud data processing 3.4 3D modeling 3.5 Texture mapping 3.6 Accuracy verification 3.7 Thematic map drawing 4 Conclusion References Building Integrated Photovoltaic (BIPV): Applications and development 1 Introduction 2 The Design Principle of BIPV 2.1 Mathematical model 2.2 Simulation results 2.3 Optimization measures 3 BIPV Project Examples 4 Conclusions References Design method of municipal water supply and drainage pipeline based on BIM technology 1 Introduction 2 Design of Dynamic Translation Model Based on BIM 3 Simulation Test Analysis 3.1 Simulation environment 3.2 Comparison of optimization effects 3.3 Pipe collision detection 3.4 Pipeline optimization 4 Conclusions References Lateral stability analysis of single-column pier bridge based on geometric nonlinearity 1 Introduction 2 Calculation of Lateral Stability of Bridge with Geometric Nonlinearity 3 Experimental Test 3.1 Test platform 3.2 Experimental test results 4 Conclusions References Design and application of cable crane for Zhangjiajie Grand Canyon Glass Bridge 1 Introduction 2 Key and Difficult Points in the Design and Construction of Cable Crane 3 Key Technology of Cable Crane Design 3.1 Overall design 3.2 Cable system design 3.3 Tower design 3.4 Tower foundation and anchor design 4 Application of Cable Crane 4.1 Tower and foundation construction 4.2 Cable installation 4.3 Installation of crown blocks and lifting points 4.4 Test lifting inspection of cable crane 5 Conclusions References A comparison study on different suction bucket pre-piling templates for offshore wind jacket foundation 1 Introduction 2 Marine and Soil Data 3 Numerical Model Setup and Load Case 3.1 PPTP model 3.2 PPT model 3.3 Suction bucket model 3.4 Loading conditions and load cases 4 Result and Discussion 4.1 Structure strength analysis 4.2 Suction bucket analysis 5 Engineering Applications 6 Conclusions References Numerical simulation study on ground subsidence caused by cavity under buried PCCP socket 1 Introduction 2 Finite Element Analysis Model 2.1 PCCP model size 2.2 Boundary constraints and interlayer relationships 2.3 Constitutive relations and model materials 3 Result Analysis 3.1 Influence of cavity dimensions and soil thickness on pavement stability 3.2 Distribution of ground subsidence 3.3 Distribution law of pavement surface settlement displacement curve 3.4 Effect of the cavity on the PCCP pipeline body 4 Conclusions References The application of BIM technology in urban utility tunnel 1 Introduction 2 Significance of the Development of Urban Utility Tunnel 3 Application of Bim Technology in the Design Stage of an Urban Utility Tunnel 3.1 Line selection 3.2 Collaborative design 3.3 3D visualization technology 4 Application of Bim Technology in the Construction Stage of an Urban Utility Tunnel 4.1 Assembled pipe gallery 4.2 Construction quality control 4.3 Construction progress and cost control 5 Application of Bim Technology in the Operation and Maintenance Stage of the Urban Utility Tunnel 5.1 Daily patrol management 5.2 Environmental monitoring and alarm 6 Conclusions References Experimental study on indoor model of water vapor humidification remodeling unsaturated loess under negative pressure conditions 1 Introduction 2 Model Test Overview 2.1 Test equipment 2.2 Test soil sample 2.3 Experimental protocol 2.4 Sensor arrangement 3 Analysis of Experimental Results 3.1 Negative pressure transfer analysis 3.2 Analysis of water separation field results 3.3 Analysis of temperature field results 4 Conclusions References Construction technology of retaining structures for deep foundation pit with H-shaped composite steel anchor piles-precast slab walls by compaction grouting method 1 Background 2 Engineering Project Application: A Construction Method of the Retaining Structure for Deep Foundation Pits With H-Shaped Composite Steel Anchor Piles- Precast Slab Walls 2.1 Design of the retaining structure for deep foundation pits with H-shaped composite steel anchor piles-precast slab walls 2.2 Construction process 2.3 Technical essentials 3 Conclusion References Construction method and application of Dynamic Ultimate-Strength Control Technology (DUSCT) for ultra-shallow buried excavation 1 Introduction 2 Dynamic Design and Regulation 3 Ultimate-Strength Control Technology of Ultra-Shallow Buried Excavation 4 Ultra-Shallow Buried Excavation Technology 5 Dynamic Monitoring Technology 6 Engineering Test and Application 6.1 Project overview 6.2 Engineering geology and gydrology 6.3 Excavation and construction process 6.4 Monitoring and measurement of construction process 6.5 Measuring results 6.5.1 Monitoring and analysis of land subsidence 6.5.2 Analysis of soil pressure measurement results 6.5.3 Analysis of stress measurement results of reinforcement 7 Conclusions References Optimization and safety evaluation of dismantlement scheme for point-supported glass curtain wall in airport terminal buildings 1 Introduction 2 Project Overview 2.1 Component information 2.2 Demolition scheme 2.3 Monitoring scheme 3 Model Building and Verification 3.1 Element simulation 3.2 Element subdivision and division 3.3 Determination of boundary conditions 3.4 Model validation 4 Optimal Design of Existing Curtain Wall Removal Scheme 4.1 Partial removal scheme of the glass panel 4.2 Displacement monitoring analysis of the main truss 4.3 Support rod displacement monitoring analysis 4.4 Internal force monitoring and analysis of support rod 5 Security Verification before and after Renovation of the Curtain Wall Structure 5.1 Engineering design parameters 5.2 Safety assessment of curtain wall structural members 5.2.1 The strength and deflection checking of the glass panel 5.2.2 The deflection checking of the main truss 5.2.3 The deflection checking of the support rod 6 Conclusions References 5D building information modeling status based on bibliometrics 1 Introduction 2 Methodology 2.1 Database choice 2.2 Filtering and controlled criteria 2.3 Article classification based on content 3 Bibliometric Analysis 4 Content Analysis 5 Conclusions References Hydraulic fracturing test on in-situ stress and its distribution regularities of a flood drainage construction engineering site 1 Introduction 2 Engineering Geology 3 Principle of the Hydraulic Fracturing Method 4 Field Test 4.1 Test parameters 4.2 Test procedure 5 Data Analysis of Test Results 5.1 Principal stress in different test sections 5.2 Direction of principal stress 5.3 The trend of the stress distribution 5.4 Lateral pressure coefficient of in-situ stress 5.5 Characteristics of in-situ stress 5.6 In-situ tensile strength of rock 6 Conclusions and Suggestions References Cable forces and optimization of construction process on composite girder of cable-stayed bridge 1 Introduction 2 The Xiangsizhou Bridge 3 Finite Element Model 4 Determination of Reasonable Completion State 5 Force Analysis During the Construction Phase 5.1 Construction process optimization 5.2 Reasonable construction state 5.2.1 Structural internal force analysis during the construction phase 5.2.2 Structural internal force analysis in the bridge completion stage 6 Conclusions References The design and optimization of the building electromechanical system based on BIM technology 1 Introduction 2 Research Background 3 Research Overview 3.1 Development status 3.2 BIM concept 4 Bim Technology in the Main Application of Building Mechanical and Electrical Engineering 5 Design and Optimization of Building Electromechanical System Based on Bim Technology 6 Conclusions References Application of Internet of Things and BIM technology in building intelligent operation and maintenance system 1 Introduction 2 Overview of Internet of Things Technology and Bim Technology 2.1 Internet of Things technology 2.2 BIM technology 3 Module Design of Intelligent Building Operation and Maintenance System 3.1 Visual display system 3.2 Equipment monitoring system 3.3 Safety management system 3.4 Energy consumption management system 4 Development Measures of Internet of Things Technology in Intelligent Operation and Maintenance 5 Conclusion References Horizontal top displacement change patterns of the pile foundation in slope under freeze-thaw cycles 1 General Instructions 2 Engineering Background of the Pile Foundation on Permafrost Slope 3 Mechanical Characteristics of Pile Foundation in the Slop in Permafrost Areas 4 Finite Element Modeling and Calculation 5 Boundary Conditions and Initial Conditions 6 Analysis of Numerical Simulation Results of the Pile on the Slope Soil Foundation 7 Conclusions and Prospects References Experimental study on deformation characteristics of cement soft soil under the influence of multiple factors 1 Introduction 2 Experimental Study Scheme 2.1 Test material 2.2 Factors considered in the experimental study and their composition 3 Comparative Analysis of Compression Test Results 3.1 Effect of cement dosage and curing age on deformation of cement soft soil 3.2 Effect of moisture content and age of maintenance on the deformation of soft cement soils 4 Conclusion References Application of composite foundation with vibro-crushed stone column in saturated liquefied sand ground treatment of a gas-fired power station in Myanmar 1 General Instructions 2 Project Overview 3 Comparative Selection of Foundation Treatment Scheme 4 Design of Composite Foundation with Vibro-Crushed Stone Column 5 Evaluation of Foundation Treatment Effect 5.1 The static load test 5.2 Standard penetration test 5.3 Dynamic penetration test 6 Conclusions References Application of oblique photography technology in airport site selection 1 Introduction 2 Oblique Photography Fieldwork 2.1 Site overview 2.2 Equipment selection 2.3 Route planning 3 3D Modeling of the Site to be Selected 3.1 Original photo pre-processing 3.2 POS data solution and export 3.3 Oblique photographic modeling 4 Accuracy Analysis and Visual Display of 3D Model 4.1 Precision analysis 4.2 3D model display and measurement 5 Conclusions References Satellite positioning and inertial navigation based firefighters positioning system 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Methodology 2.3 GPS/BeiDou module and IMU data fusion 3 Results and Analysis 4 Conclusions References Moisture accumulation in wall thermal insulation layer under the action of coupled heat and moisture during heating period in cold regions 1 Introduction 2 Coupled Heat and Moisture Transfer Model 2.1 Moisture control equation 2.2 Heat control equation 2.3 Initial conditions and boundary conditions 3 Model Calculation and Result Analysis 3.1 Typical insulated wall structure and thermal parameters 3.2 Moisture accumulation in a typical wall with external thermal insulation 3.3 Influence of installation of air layer 3.4 Influence of installation of vapor barrier 3.5 Influence of setting of finish coat 4 Conclusions References Bridge strain based on real bridge and indoor experiment 1 Introduction 2 Field Experiment 2.1 Experimental site 2.2 Sensor layout 2.3 Loading method 2.4 Experimental loading principles 2.5 Data preprocessing 2.6 Experimental results 3 Indoor Experiment 4 Conclusions References Design of test platform for early fire detection of power transmission and transformation equipment 1 Introduction 2 Fire Characteristics of Power Transmission and Transformation Equipment 3 Aspirated Smoke Detection Principle 3.1 The detection principle of the cloud chamber 3.2 Time-sharing circulating sampling fire location device 4 Fire Monitoring System Platform for Power Transmission and Transformation Equipment 4.1 Sampling pipe layout 4.1.1 Layout of sampling pipe of the switch cabinet 4.1.2 Layout of sampling pipe of cable trench 4.1.3 Layout of sampling pipe of the switch cabinet 4.2 Transmission network layout 4.3 Fire monitoring and early warning system 5 Fire Monitoring System Platform Test 6 Conclusions References Landscape conservation planning based on forest fire prevention: A case study of Lushan Forest Park in Sichuan Province 1 Introduction 2 Methodology 2.1 Research area 2.2 Data source 2.3 Experimental procedure 2.4 Spatial analysis model 3 Results and Discussion 3.1 Weight analysis and single factor evaluation 3.2 Comprehensive evaluation of ecological sensitivity 3.3 Ecological conservation planning of Lushan Forest Park 3.3.1 Ecological Conservation Zone (ECZ) 3.3.2 Restricted Development Zone (RDZ) 3.3.3 Moderate Development Zone (MDZ) 3.3.4 Tourism Development Zone (TDZ) 4 Conclusions References Acoustic design comparison for one auditorium indoor environment: A case study of bell-shaped University hall in China 1 Instructions 2 A Case Study 2.1 Description of the Auditorium 2.2 Design requirement 3 Materials and Methods 3.1 Optimization parameters 3.2 Objectives of sound quality evaluation 3.3 Software simulation 4 Res