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Long highway tunnel experimental study on the abolition of deformation joint

Zhuo Yue,Zou Chong,Yan Zihai

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 59-65

Abstract:

Based on the construction of Baojiashan tunnel,the authors used numericalStudies suggest that:a. whether deformation joint is set or not,tunnel's vertical safety can meetthe security requirements;b. if we do not set deformation joint for tunnel structure of the horizontal

Keywords： long highway tunnel     deformation joint     quantitative indicators     numerical simulation     experimental research    

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Long-term settlement behavior of ground around shield tunnel due to leakage of water in soft deposit

Huaina WU, Yeshuang XU, Shui-long SHEN, Jin-chun CHAI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 194-198 doi: 10.1007/s11709-011-0105-y

Abstract: The lining of shield tunnel is usually composed of segments, in which the joints, cracks, and the groutingDuring the long-term running, soils and groundwater may leak from these kinds of lining deficit.The leaking of soil and groundwater causes the long-term ground loss around tunnel and thus results inThis paper aims to analyze the impact of the leakage of groundwater through segments on the long-termshow that settlement of ground surface increases gradually with the increase of the leaked volume of tunnel

Keywords： lining deficit     leakage of water     shield tunnel     settlement     soft deposit    

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Realtime prediction of hard rock TBM advance rate using temporal convolutional network (TCN) with tunnel

Zaobao LIU; Yongchen WANG; Long LI; Xingli FANG; Junze WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 401-413 doi: 10.1007/s11709-022-0823-3

Abstract: Real-time dynamic adjustment of the tunnel bore machine (TBM) advance rate according to the rock-machinedatabase, containing 235 data sets, established from the construction data from the Jilin Water-Diversion TunnelThe TCN model is found outperforming the recurrent neural network (RNN) and long short-term memory (LSTMThe work provides a new concept of real-time prediction of the TBM performance for highly efficient tunnel

Keywords： hard rock tunnel     tunnel bore machine advance rate prediction     temporal convolutional networks     soft    

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Key construction technology of shallow-buried large span highway tunnel through rich water soft soil

Zhao Licai

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 81-87

Abstract:

This article takes Xia-Zhang highway (Xiamen section) Dongfu tunnel construction as an example.next door after disassembly type excavation technology in shallow-buried rich water soft soil stratum tunnel

Keywords： shallow buried； rich water soft soil； tunnel； pipe； reinforcement； cross-located right next door after    

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Control measuring technique of long distance only head driving in shield tunnel

Xu Weiqing,Han Fuzhong

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 56-58

Abstract: of the engineering of Beijing underground diameter line is 5.2 km, thus controlling the precision of tunnelEventually, methods like wire directly orientation, adding the gyro in the tunnel and control net of

Keywords： shield     long distance     only head driving     control measuring    

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Whole construction process real-time schedule control and visual analysis of the long distance diversiontunnel based on simulation

Hu Lianxing,Tong Dawei,Jiao Kai

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 97-102

Abstract:

Long diversion tunnel is often featured by great embedded depth, longtunnel line, large hole diameter and extremely complicated geologic conditions.reality technology, the whole construction process real-time schedule control and visual analysis of the longdistance diversion tunnel based on simulation are proposed.

Keywords： long diversion tunnel     construction schedule     real-time control     visual     simulation    

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Recent advances in geosynthetic-reinforced retaining walls for highway applications

Jie HAN, Yan JIANG, Chao XU

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 239-247 doi: 10.1007/s11709-017-0424-8

Abstract: Geosynthetic-reinforced retaining (GRR) walls have been increasingly used to support roadways and bridge abutments in highwayIn recent years, advances have been made in construction and design of GRR walls for highway applications

Keywords： bridge     geosynthetic     highway     reinforced     wall    

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Challenges and Thoughts on Risk Management and Control for the Group Construction of a Super-Long Tunnel Article

Mingjiang Deng

Engineering 2018, Volume 4, Issue 1,   Pages 112-122 doi: 10.1016/j.eng.2017.07.001

Abstract: Among the tunnels constructed in the project, the Ka–Shuang tunnel, which is a single tunnel witha length of 283 km, is currently the longest water-conveyance tunnel in the world.The main tunnel of the Ka–Shuang tunnel is divided into 18 tunnel-boring machine (TBM) sections, and 34 drilling-and-blasting sections, with 91 tunnel faces.The construction of the Ka–Shuang tunnel has been regarded as an unprecedented challenge for project

Keywords： Super-long tunnels     Group construction by TBM     Risk management and control     Technical measures    

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Key uncertainty events impacting on the completion time of highway construction projects

Alireza MOGHAYEDI, Abimbola WINDAPO

Frontiers of Engineering Management 2019, Volume 6, Issue 2,   Pages 275-298 doi: 10.1007/s42524-019-0022-7

Abstract: encountered in the process of constructing highways, and evaluates their impact on construction time, on highwayThe inquiry process consisted of brainstorming by highway experts and interviewing them to identify theAn uncertainty matrix for South African highway projects was developed, using a quantitative model andIt emerged from the study that the uncertainty events affecting the construction time of highway projectsthat construction time on South African highway projects is significantly related to the social and

Keywords： ANFIS     construction time     impact assessment     highway project     South Africa     uncertainty    

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Pavement sustainability index for highway infrastructures: A case study of Maryland

Stella O. OBAZEE-IGBINEDION, Oludare OWOLABI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 192-200 doi: 10.1007/s11709-017-0413-y

Abstract: Pavement deterioration creates conditions that undermine their performances, which gives rise to the need for maintenance and rehabilitation. This paper develops a mathematical multi-linear regression analysis (MLRA) model to determine a pavement sustainability index ( ) as dependent variable for flexible pavements in Maryland. Four categories of pavement performance evaluation indicators are subdivided into seven pavement condition indices and analyzed as independent variables for each section of pavement. Data are collected from five different roadways using field evaluations and existing database. Results indicate that coefficient of determination ( ) is correlated and significant, = 0.959. Of the seven independent variables, present serviceability index ( ) is the most significant with a coefficient value of 0.032, present serviceability rating ( ) coefficient value= 0.028, and international roughness index ( ) coefficient value= ?0.001. Increasing each unit value of coefficients for and would increase the value of ; thereby providing a more sustainable pavement infrastructure; which explains the significance of the model and why will most likely impact environmental, economic and social values.

Keywords： pavement indices     sustainability     pavement performance     flexible pavements    

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Unified methodology for site-characterization and sampling of highway runoff

Jy S. WU, Craig J. ALLAN,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 47-58 doi: 10.1007/s11783-010-0003-x

Abstract: and atmospheric deposition are three essential data categories for the planning and implementation of highway-runoffstatistical relationships for characterization and prioritization of the respective pollutant loads at highwaysites in Charlotte, North Carolina, USA, were used to illustrate the development of site-specific highway-runoffunified methodology provides a basis for initial assessment of the pollutant-constituent loads from highwayIn addition, operational guidance is suggested for implementing highway-runoff monitoring programs that

Keywords： highway runoff     pollutant loads     regression models     non-point source pollution     storm water permit    

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Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China

Jie LIU, Fan CHEN, Haiqing GENG, Xinxin QIU, Binbin CAI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 349-360 doi: 10.1007/s11783-010-0027-2

Abstract: Methods quantitatively determining the ecological impact of highway construction were discussed, andThe Dabao highway (from Dali to Baoshan) and the Sixiao highway (from Simao to Xiaomengyang) passingecosystem health assessment was introduced to calculate the overall range of the ecological impact of highwayin terms of the minimum living areas required by animal populations and the fragmentation caused by highwayThe results indicate that the zones impacted by highway construction were composed of both regular and

Keywords： range of impact     quantitative analysis     highway construction     Longitudinal Range-Gorge Region    

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Performance-based Fire Protection Designs and Analyses for Occupant Evacuations in Super-long Road Tunnels

Chen Changkun,Xu Zhisheng

Strategic Study of CAE 2007, Volume 9, Issue 9,   Pages 78-83

Abstract: style="text-align: justify;">In this paper,  the evacuation characteristics of occupants in super- longon the evacuation of occupants under conditions of normal traffics and local jams respectively in a tunneland RSET,  respectively) are both functions of positions in the longitudinal direction of the tunnel And the performance-based fire protection designs for occupant evacuations in super-long tunnelsinvestigation for the performance- based fire protection designs for the occupant evacuations in super-long

Keywords： evacuation     fire     super-long tunnel     transverse passageway     performance- based fire protection design    

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Safety of Highway Bridges in China

Zhou Jianting and Zheng Dan

Strategic Study of CAE 2017, Volume 19, Issue 6,   Pages 27-37 doi: 10.15302/J-SSCAE-2017.06.005

Abstract:

With the continuous increase in bridge service life, problems regarding the safety, durability, and maintenance management are becoming increasingly serious. Safety guarantee issues will become increasingly prominent. In this study, the current safety situation and trends in bridge structure are investigated, along with domestic and foreign scientific and technological developments. The present situation of bridges in China in the field of safety and its challenges are also discussed in this paper. The status and advantages of China’s bridge security technologies, measures, and policies, as well as the main differences between China and foreign countries are analyzed. Furthermore, policies, technologies, and measures for bridge safety and security are proposed. This paper can provide a reference for the development of a major infrastructure security plan.

Keywords： highway bridge     safety     guarantee     technology    

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Performance of seven highway construction contracting methods analyzed by project size

Yuanxin ZHANG, Abdol CHINI, R. Edward MINCHIN Jr., Lourdes PTSCHELINZEW, Dev SHAH

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 240-250 doi: 10.15302/J-FEM-2018040

Abstract: conventional Design-Bid-Build (DBB) construction contracting method has had various drawbacks exposed in highway

Keywords： alternative contracting methods     time     cost     performance evaluation    

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Title Author Date Type Operation

Long highway tunnel experimental study on the abolition of deformation joint

Zhuo Yue,Zou Chong,Yan Zihai

Journal Article

Long-term settlement behavior of ground around shield tunnel due to leakage of water in soft deposit

Huaina WU, Yeshuang XU, Shui-long SHEN, Jin-chun CHAI

Journal Article

Realtime prediction of hard rock TBM advance rate using temporal convolutional network (TCN) with tunnel

Zaobao LIU; Yongchen WANG; Long LI; Xingli FANG; Junze WANG

Journal Article

Key construction technology of shallow-buried large span highway tunnel through rich water soft soil

Zhao Licai

Journal Article

Control measuring technique of long distance only head driving in shield tunnel

Xu Weiqing,Han Fuzhong

Journal Article

Whole construction process real-time schedule control and visual analysis of the long distance diversiontunnel based on simulation

Hu Lianxing,Tong Dawei,Jiao Kai

Journal Article

Recent advances in geosynthetic-reinforced retaining walls for highway applications

Jie HAN, Yan JIANG, Chao XU

Journal Article

Challenges and Thoughts on Risk Management and Control for the Group Construction of a Super-Long Tunnel

Mingjiang Deng

Journal Article

Key uncertainty events impacting on the completion time of highway construction projects

Alireza MOGHAYEDI, Abimbola WINDAPO

Journal Article

Pavement sustainability index for highway infrastructures: A case study of Maryland

Stella O. OBAZEE-IGBINEDION, Oludare OWOLABI

Journal Article

Unified methodology for site-characterization and sampling of highway runoff

Jy S. WU, Craig J. ALLAN,

Journal Article

Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China

Jie LIU, Fan CHEN, Haiqing GENG, Xinxin QIU, Binbin CAI,

Journal Article

Performance-based Fire Protection Designs and Analyses for Occupant Evacuations in Super-long Road Tunnels

Chen Changkun,Xu Zhisheng

Journal Article

Safety of Highway Bridges in China

Zhou Jianting and Zheng Dan

Journal Article

Performance of seven highway construction contracting methods analyzed by project size

Yuanxin ZHANG, Abdol CHINI, R. Edward MINCHIN Jr., Lourdes PTSCHELINZEW, Dev SHAH

Journal Article