2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA)最新文献

Nonlinear analysis of flexural capacity of beams integrated material by corn stalk recombined material 玉米秸秆复合材料梁集成材料抗弯承载力的非线性分析

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654502

L. Zhai, Dong-hui Liu, Yingying Yang

引用次数: 0

Research on the Influence of Building Layout Forms on Wind Environment in Urumqi City Based on CFD Simulation 基于CFD模拟的乌鲁木齐市建筑布局形式对风环境的影响研究

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654568

Meng Gao, Lu Zhang, Pingan Ni, Yongwang Zhang, Wanjiang Wang

引用次数: 1

Study on the Influence of Slope on the Airflow Structure Characteristics of Long and Large Tunnels During Construction 边坡对大长隧道施工中气流结构特性的影响研究

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654677

Xibin Niu, Bokuan Li, Jiyuan Zhu, Qibo Mou, Quansheng Chen, Meikang Li

引用次数: 0

Research on Land Use Safety Planning of Storage Tank Area Based on Intelligent Arrangement 基于智能布置的储罐区土地利用安全规划研究

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654613

Danqin Sang, Jiaqi Yan, Wenhao Chen, Kangzhi He, Dongliang Sun

{"title":"Research on Land Use Safety Planning of Storage Tank Area Based on Intelligent Arrangement","authors":"Danqin Sang, Jiaqi Yan, Wenhao Chen, Kangzhi He, Dongliang Sun","doi":"10.1109/ISTTCA53489.2021.9654613","DOIUrl":"https://doi.org/10.1109/ISTTCA53489.2021.9654613","url":null,"abstract":"This paper mainly studies the influence of the horizontal layout of the device and the above ground and underground layout on the regional risk under the condition of considering the domino effect, and establishes a model to select an example for quantitative risk assessment. In this paper, a gasoline depot is selected as the analysis object. By comparing the regional risk value (PLL) of different horizontal layout and underground layout, and combining with the simulation of personal risk, social risk and accident consequence, the final conclusion is that there is a difference of “congestion degree” between different horizontal layout, which makes the regional risk level change, The looser the horizontal layout is, the less the peripheral equipment is, and the lower the regional risk level is; On the other hand, the storage tank is placed in the underground tank room, which can effectively buffer the accident hazards and greatly reduce the regional risk level. In the land use resource planning work, through the underground setting and the layout with less “crowding degree”, the regional risk can be effectively reduced, so as to reduce the demand for fire prevention distance and achieve the purpose of saving land resources.","PeriodicalId":383266,"journal":{"name":"2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125037822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental research on material properties of Chinese fir based on artificial decay damage simulation method 基于人工衰减损伤模拟方法的杉木材料性能试验研究

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654791

Yijie Lin, Qing Chun, Chengwen Zhang

引用次数: 0

VAE modified mortar mechanical properties VAE改性砂浆力学性能

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654504

Ao Yao, Biao Ren, Yipeng Ning, Yan Lv

引用次数: 0

Stability Control for Surrounding Rock of Undercrossing Subway Tunnels with Large Section and Small Clear Spacing 大断面小间距下穿地铁隧道围岩稳定性控制

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654511

Huaibao Chu, Chang Wang, Xiaolin Yang, Haixia Wei, S. Yan, Shuanjie Li

{"title":"Stability Control for Surrounding Rock of Undercrossing Subway Tunnels with Large Section and Small Clear Spacing","authors":"Huaibao Chu, Chang Wang, Xiaolin Yang, Haixia Wei, S. Yan, Shuanjie Li","doi":"10.1109/ISTTCA53489.2021.9654511","DOIUrl":"https://doi.org/10.1109/ISTTCA53489.2021.9654511","url":null,"abstract":"With the acceleration of urbanization in China, there are lots of subway tunnels with large section and small clear spacing (LSSCS). Due to the complexity and uncertainty of mechanical characteristics of surrounding rock, subway tunnels with LSSCS are prone to instability and failure. The tunnel of Zhengzhou Subway Line 5 crossing under the existing tunnel of South Jingguang Expressway is selected to analyze the stress characteristics of surrounding rock and the law of ground settlement. Based on the results of numerical simulation and field monitoring data, stability control measures for surrounding rock and modified theoretical formulas of surrounding rock pressure (SRP) are proposed. The main contributions are as follows: (1) The maximum horizontal stress is found at the outer arch foot of the tunnel, and the maximum vertical stress is found at the inner arch foot. (2) With the increase of the tunnel clear spacing, the ground settlement decreases, and the ground settlement above the first tunnel is a little lager than that above the latter tunnel. (3) The excavation sequence of K2 in CRD method and the reasonable clear spacing of 3.4 m can be used as the optimal construction scheme to effectively improve the surrounding rock stability (SRS). (4) The modified theoretical formulas of SRP based on numerical simulation results and field monitoring data can provide theoretical guidance for controlling the SRS of this undercrossing tunnel and other similar tunnels.","PeriodicalId":383266,"journal":{"name":"2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122761954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of Different Admixtures on Workability and Tensile Properties at Maintained Extension of Styrene-Acrylic Emulsion-Based Cement Composites 不同外加剂对苯乙烯-丙烯酸乳化基水泥复合材料可工作性和抗拉性能的影响

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654596

Yipeng Ning, Ao Yao, Zhihang Wang, Biao Ren, Xin Meng, Zhe Huang

{"title":"Effects of Different Admixtures on Workability and Tensile Properties at Maintained Extension of Styrene-Acrylic Emulsion-Based Cement Composites","authors":"Yipeng Ning, Ao Yao, Zhihang Wang, Biao Ren, Xin Meng, Zhe Huang","doi":"10.1109/ISTTCA53489.2021.9654596","DOIUrl":"https://doi.org/10.1109/ISTTCA53489.2021.9654596","url":null,"abstract":"Aiming at the joint diseases of airport cement concrete pavement, the effects of different admixtures and their dosages on the workability and tensile properties at a maintained extension of styrene-acrylic emulsion-based cement composites pavement joint were studied through leveling test, consistency test, mercury intrusion porosimetry and determination of tensile properties at maintained extension. The leveling property, consistency and elastic recovery rates were tested and the effect of modification was revealed from a microcosmic aspect in combination with mercury intrusion porosimetry. The results show that the consistency increases with the increase of film-forming additive and plasticizer, while decreases with the increase of silane coupling agent, and the leveling property all remains good. The excessive addition of silane coupling agent and plasticizer will lead to the deterioration of tensile properties at a maintained extension of the joint filler. The reasonable content of film-forming additives, plasticizers and silane coupling agents was obtained through experiments.","PeriodicalId":383266,"journal":{"name":"2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129531506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research Advances on Steel Frame Beam-Column Joints with Seismic and Collapse Resistance 钢框架梁柱节点抗震抗倒塌研究进展

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654645

Jian-peng Wei, L. Tian, Yang Guo, Hui-yun Qiao, Zhi-an Jiao, Y. Bao

{"title":"Research Advances on Steel Frame Beam-Column Joints with Seismic and Collapse Resistance","authors":"Jian-peng Wei, L. Tian, Yang Guo, Hui-yun Qiao, Zhi-an Jiao, Y. Bao","doi":"10.1109/ISTTCA53489.2021.9654645","DOIUrl":"https://doi.org/10.1109/ISTTCA53489.2021.9654645","url":null,"abstract":"With the development of building industrialization, the prefabricated buildings have received unprecedented attention. Most of the steel structures are prefabricated in the factory and installed in the construction site, which is a typical prefabricated building structure. For the commonly used steel frame structures, the research status of the seismic and collapse resistance of the beam-column joints were summarized respectively. Then, the research status of the joints with seismic and collapse resistance was presented. Existed research showed that: The engineering design is no longer satisfied with the good seismic performance. The building structures need to possess recoverable function at the same time. The steel frame joints with recoverable function mainly include: the bolted joints; the joints with energy dissipation damper; the hinged connection joints. On the other hand, to fully exert the catenary effect of the steel beam under collapse condition, it is necessary to improve or optimize the existed joints. This has become a hotspot in the anti-collapse research. At present, the earthquake and collapse condition were not synthetically considered for the research of the steel frame joints. Therefore, it is urgent to present a novel steel frame joint with seismic and collapse resistance.","PeriodicalId":383266,"journal":{"name":"2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128224768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advances in Optimal Sensor Placement for Structural Health Monitoring 结构健康监测中传感器优化配置的研究进展

2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA) Pub Date : 2021-11-12 DOI: 10.1109/ISTTCA53489.2021.9654651

Xinyue Fan

{"title":"Advances in Optimal Sensor Placement for Structural Health Monitoring","authors":"Xinyue Fan","doi":"10.1109/ISTTCA53489.2021.9654651","DOIUrl":"https://doi.org/10.1109/ISTTCA53489.2021.9654651","url":null,"abstract":"In recent years, with the in-depth research on the structural health monitoring systems, how to arrange the limited sensors in the reasonable position of the structure to better obtain the dynamic response information of the structure has become the hot research topics, especially in the specific case [1]. According to a large number of researches, the accuracy of information collection and the credibility of damage identification are greatly affected by different layout methods of sensors. Therefore, arranging sensors feasibly to obtain sufficient information of structure is essential. Therefore, this study summarizes the calculation method of optimal sensor placement in structural health monitoring. Firstly, the existing optimization methods and common evaluation criteria of sensor layout are summarized and introduced in detail. Secondly, summarize the shortcomings of existing methods. Finally, the insufficient research and unsolved problems are concluded. Based on the above three analysis steps, it is concluded that in a specific structure, the evaluation criteria of various methods have different focuses, and it is difficult to find the optimal scheme. A good sensor placement method and the combination of positions determined may not be suitable for another structure. The specific method to be applied depends on the purpose of structural test analysis. In practice, a variety of methods can be used to preliminarily determine the sensor position combination, and then make a choice according to the test purpose and requirements.","PeriodicalId":383266,"journal":{"name":"2021 4th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128722668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0