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2. Deformation Law Analysis of Metro Station Deep Foundation Pit Constructed by Cover-Excavation Reverse Method in Sandy Area

Author

LIU Xueming, WANG Guolin, SUN Dongxiao, LIU Ce, and ZHANG Ning

Subjects
metro station, deep foundation pit, cover-excavation reverse method, sandy area, structural deformation, Transportation engineering, TA1001-1280
Abstract

Objective Stress deformation characteristics of the main structure in the process of metro station construction by cover-excavation reverse method are relatively complex. The construction mechanics process of the subway station in the sandy area is even more complex, which greatly increases the construction difficulty of the foundation pit in this area. Therefore, it is necessary to conduct in-depth research on the deformation characteristics of metro station deep foundation pit constructed by cover-excavation reverse method in sandy area. Method Based on a metro station project in Shenyang City, the deformation characteristics of deep foundation pit cover excavation reverse construction in water-rich deep sandy stratum is elaborated. Numerical simulation is used to analyze the change law of diaphragm wall horizontal displacement, slab displacement, neutral pillar displacement and differential settlement between diaphragm wall and adjacent neutral pillar during foundation pit construction. Result & Conclusion The results show that the displacement deformation of diaphragm wall is significantly affected by the construction of the foundation pit, and its horizontal lateral displacement deformation increases continuously following the excavation depth of the foundation pit increase, with all deformation mainly towards the direction of the pit. The slabs play a good supporting role, effectively controlling the horizontal displacement of the enclosure structure, and manifesting mainly as heave deformation, among which the roof plate is most affected by the foundation pit construction. The neutral pillar is deformed in both vertical and horizontal directions, mainly in the form of vertical heave deformation due to soil unloading effect of the deep foundation pit. The differential settlement of the diaphragm wall and the neutral pillar increases gradually with the construction progress, and reaches the maximum in the excavation of the underlying soil.

Published
2024
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11. Postoperative pain-related outcomes and perioperative pain management in China: a population-based study

Author

Yang, Jianjun, Liu, Donghua, Li, Min, Zhang, Jiaqiang, Yang, Yitian, Diao, Yugang, Han, Ruquan, Song, Shuang, Li, Ning, Yue, Xiuqin, Yao, Lan, Han, Xi'an, Zhang, Jianzhong, Wang, Tianlong, Wang, Guolin, Yue, Yonghao, Jia, Huiqun, Rong, Junfang, Wang, Yuelan, Zhang, Wei, Zhang, Tiezheng, Liu, Yanhong, Xiao, Saisong, Yang, Huikai, Lv, Xuecai, Hou, Aisheng, Ma, Yulong, Jiang, Yandong, Duan, Chongyang, and Mi, Weidong

Published
2023
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16. 砂土区地铁车站深基坑盖挖逆作法 施工变形规律分析.

Author

LIU Xueming, WANG Guolin, SUN Dongxiao, LIU Ce, and ZHANG Ning

Abstract

Copyright of Urban Mass Transit is the property of Urban Mass Transit Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2024
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27. Hybrid strengthening of RC beams with externally bonded carbon fiber reinforced polymer laminate and engineered cementitious composites transition layer.

Author

Su, Yanli, Wu, Chang, Wang, Guolin, Shang, Jiaqi, and Zhang, Pu

Subjects
CONCRETE beams, CARBON fibers, REINFORCED concrete, BEND testing, DEBONDING
Abstract

This paper presents the experimental study on the reinforced concrete (RC) beam strengthened with externally bonded carbon fiber reinforced polymer (EB-CFRP) laminate and engineered cementitious composites (ECC) material. A total of six beams were tested under the four-point bending test to investigate the influence of strengthening scheme, type of CFRP laminate and the width of CFRP plate on the flexural response. The results revealed that hybrid strengthened beam with the technical of EB-CFRP and ECC transition layer significantly enhanced the crack load (29.0%–133.3%), yield load (50.9%–96.5%) and ultimate load (50.0%–81.9%) of the beams relative to the control beam. The employment of ECC material was an ideal transition layer for delaying the interfacial debonding of CFRP laminate, where the ultimate tensile strain of CFRP plate in hybrid strengthened beams was 13.2%–33.33% higher than that of beam merely strengthened with EB-CFRP plate. Beams strengthened with CFRP sheet had the greater flexural performance and higher utilization of CFRP than its counterparts strengthened with CFRP plate. Moreover, the predicted model associated with ultimate bearing capacity of the hybrid beams was provided based on ACI 440.2R-08, which was relatively conservative with a margin for the ultimate load of the hybrid strengthened beams. [ABSTRACT FROM AUTHOR]

Published
2024
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28. Simulate Design and Experimental Analysis of Commercial Vehicle Cab Suspension

Author

Zhang, Song, Li, Kaiqiang, Wang, Guolin, Zhu, Xinyu, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Ruediger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, and (SAE-China), Society of Automotive Engineers, editor

Published
2019
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29. The Analysis of a Sound-Generating Mechanism for Tire Pattern Groove Air Pumping by CFD

Author

Zhou, Haichao, Jiang, Zhen, Wang, Guolin, Qian, Hao, Qiao, Lei, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Ruediger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, and (SAE-China), Society of Automotive Engineers, editor

Published
2019
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30. Correlation Analysis of Light Passenger Vehicle Energy Consumption and Driving Characteristics

Author

Guo, Xin, Wang, Guolin, Zhang, Shupei, Zhang, Wei, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Sugumaran, Vijayan, editor, Xu, Zheng, editor, P., Shankar, editor, and Zhou, Huiyu, editor

Published
2019
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45. Postoperative pain-related outcomes and perioperative pain management in China: a population-based study

Author

Liu, Yanhong, primary, Xiao, Saisong, additional, Yang, Huikai, additional, Lv, Xuecai, additional, Hou, Aisheng, additional, Ma, Yulong, additional, Jiang, Yandong, additional, Duan, Chongyang, additional, Mi, Weidong, additional, Yang, Jianjun, additional, Liu, Donghua, additional, Li, Min, additional, Zhang, Jiaqiang, additional, Yang, Yitian, additional, Diao, Yugang, additional, Han, Ruquan, additional, Song, Shuang, additional, Li, Ning, additional, Yue, Xiuqin, additional, Yao, Lan, additional, Han, Xi'an, additional, Zhang, Jianzhong, additional, Wang, Tianlong, additional, Wang, Guolin, additional, Yue, Yonghao, additional, Jia, Huiqun, additional, Rong, Junfang, additional, Wang, Yuelan, additional, Zhang, Wei, additional, and Zhang, Tiezheng, additional

Published
2023
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