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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Engineering safety during maintenance outages is determined by the stability of the tunnel face.The tunnel face is supported by a medium at the bottom of the excavation chamber and compressed air atOwing to the high risk of face failure, the necessity of support pressure when cutterhead support isThe required compressed air pressure increases significantly as the support ratio decreases.Disregarding the supporting effect of the cutterhead will result in a tunnel face with underestimated

Keywords： tunnel face stability     cutterhead configuration     aperture ratio     pressure gradient     support ratio    

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Study on support mechanical behaviour and scheme for shallow buried tunnel in weak wall rock with rich

Wan Fei,Tan Zhongsheng,Yang Sensen,Ma Dong

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 45-53

Abstract:

Shallow buried section under river valley of Guan Jiao tunnel has donea series of research on support mechanical behaviour and scheme for tunnel in weak wall rock with richBy a comprehensive analysis of monitoring data, adjustment to support scheme is made.of the primary support.buried tunnel under river valley, and have high referential value for design and construction decision-making

Keywords： Tunnel project     Shallow buried under river valley     Weak wall rock     Support scheme     Field monitoring    

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Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 54-63

Abstract: construction under crossing the existed south Tongpu Railway with a small included angle at Gaoqiao tunneltest and study, the mechanical characteristics and key construction techniques of the double-layer supportIt successfully resolved the construction difficulties of super-large-section tunnel (171m2

Keywords： large-section loess tunnel     benching method     double-layer support     under crossing    

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Investigation of mechanical performance of prestressed steel arch in tunnel

Yaqiong WANG, Yunxiao XIN, Yongli XIE, Jie LI, Zhifeng WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 360-367 doi: 10.1007/s11709-017-0429-3

Abstract: In the traditional tunneling method, the steel arch are often adopted to support surrounding rock toIf the steel arch is prestressed in time, tunnel support can effectively prevent the development of rockcrack, thereby increasing the overall strength of tunnel support and suppress the deformation of theThe results show that the prestressed steel arch structure can provide effective support and the stress

Keywords： tunnel support     prestressing force     steel arch     numerical analysis    

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Integrated logistics support system design for ships

Zhu Hong and Zhang Ping

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 44-50

Abstract:

Based on the analysis of integrated logistics support system abroad， this paper presents a top designfor integrate logistics support system on domestic ships.system composition， main function and main technical indexes， and divides the integrated logistics supportsystem into three subsystems， which are support resource system， ship integrated logistics support managementIt can be referred for the integration and management for ship integrated logistics support system.

Keywords： ship     integrated logistics support system     system design     support resource    

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Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 84-86

Abstract:

Directed against the demarcating problems of deep tunnel and shallow tunnel in exiting methods, thefeasible by two engineering cases, and is of importantce to lining design and construction of soil tunnel

Keywords： soil tunnel     deep tunnel and shallow tunnel     demarcating method    

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Socialized care services for the aged population: System construction and support measures

Frontiers of Engineering Management 2023, Volume 10, Issue 2,   Pages 339-353 doi: 10.1007/s42524-022-0208-2

Abstract: increase in social demand, information- and communication technology-driven culture, and government policy supportimplementation path for such elderly care service policies is unclear, the necessary technological supportservice policies in China, and proposes a research paradigm that integrates system construction and supportFinally, we build the research framework of systematic support measures from the perspectives of policyreconstruction, institutional embeddedness, and technical support.

Keywords： socialized     care service for the elderly     system construction     support measure    

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Upper Lillooet River Hydroelectric Project: The Challenges of Constructing a Power Tunnel for Run-of-River Article

Nichole Boultbee, Oliver Robson, Serge Moalli, Rich Humphries

Engineering 2018, Volume 4, Issue 2,   Pages 260-266 doi: 10.1016/j.eng.2017.09.003

Abstract: Lillooet River Power Limited Partnership and the Boulder Creek Power Limited Partnership, and civil and tunnelLillooet River HEF includes the excavation of a 6 m wide by 5.5 m high and approximately 2500 m long tunnelThis tunnel section included welded breccia and unconsolidated deposits composed of loose pumice, organicsThe construction of this section of the tunnel required cover grouting, umbrella support, and excavationdesign and construction schedule challenges, and a description of the successful excavation of the tunnel

Keywords： Run-of-river hydro project     Power tunnel     Umbrella support     Canopy tubes     Volcanic deposits     Pumice     Roadheader    

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BMP decision support system for evaluating stormwater management alternatives

Mow-Soung CHENG, Jenny X. ZHEN, Leslie SHOEMAKER,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 453-463 doi: 10.1007/s11783-009-0153-x

Abstract: Maryland, in the Washington D.C. metropolitan area has developed a best management practice decision supportsystem (BMPDSS) to support analysis and decision making for stormwater management planning and design

Keywords： best management practices     decision support system     low impact development     geographic information system    

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Liquefaction prediction using support vector machine model based on cone penetration data

Pijush SAMUI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 72-82 doi: 10.1007/s11709-013-0185-y

Abstract: A support vector machine (SVM) model has been developed for the prediction of liquefaction susceptibilityThe effect of capacity factor ( ) on number of support vector and model accuracy has also been investigated

Keywords： earthquake     cone penetration test     liquefaction     support vector machine (SVM)     prediction    

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Current applications of artificial intelligence for intraoperative decision support in surgery

Allison J. Navarrete-Welton, Daniel A. Hashimoto

Frontiers of Medicine 2020, Volume 14, Issue 4,   Pages 369-381 doi: 10.1007/s11684-020-0784-7

Abstract: This scoping review investigated AI-based decision support systems targeted at the intraoperative phasenumber of opportunities exist for future researchers and clinicians to work on AI for surgical decision support

Keywords： artificial intelligence     decision support     clinical decision support systems     intraoperative     deep learning    

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Reliability-based design optimization of offshore wind turbine support structures using RBF surrogate

Frontiers of Structural and Civil Engineering   Pages 1086-1099 doi: 10.1007/s11709-023-0976-8

Abstract: Reliability-based design optimization of offshore wind turbine support structures using RBF surrogate

Keywords： RBF     surrogate model     turbine support structures    

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Research on the architecture of creativity support systemLiang

Liang Zhicheng,Yu Yuehai,Zhong Weijun

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 74-80

Abstract:

This paper introduces the development of creativity support system, creativityand architecture of creativity support system.Based on the results of this paper, one creativity support system for power system fault analysis wasAnd the procedure of creativity support was provided in this paper.This paper will provide reference for building the creativity support system.

Keywords： creativity support system     architecture     group support environment     decision list    

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ENABLING CROP DIVERSIFICATION TO SUPPORT TRANSITIONS TOWARD MORE SUSTAINABLE EUROPEAN AGRIFOOD SYSTEMS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 474-480 doi: 10.15302/J-FASE-2021406

Abstract:

European cropping systems are often characterized by short rotations or even monocropping, leading to environmental issues such as soil degradation, water eutrophication, and air pollution including greenhouse gas emissions, that contribute to climate change and biodiversity loss. The use of diversification practices (i.e., intercropping, multiple cropping including cover cropping and rotation extension), may help enhance agrobiodiversity and deliver ecosystem services while developing new value chains. Despite its benefits, crop diversification is hindered by various technical, organizational, and institutional barriers along value chains (input industries, farms, trading and processing industries, retailers, and consumers) and within sociotechnical systems (policy, research, education, regulation and advisory). Six EU-funded research projects have joined forces to boost crop diversification by creating the European Crop Diversification Cluster (CDC). This Cluster aggregates research, innovation, commercial and citizen-focused partnerships to identify and remove barriers across the agrifood system and thus enables the uptake of diversification measures by all European value-chain stakeholders. The CDC will produce a typology of barriers, develop tools to accompany actors in their transition, harmonize the use of multicriteria assessment indicators, prepare policy recommendations and pave the way for a long-term network on crop diversification.

 

Keywords： crop rotation     lock-in     intercropping     multiple cropping     networking    

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Title Author Date Type Operation

Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Journal Article

Study on support mechanical behaviour and scheme for shallow buried tunnel in weak wall rock with rich

Wan Fei,Tan Zhongsheng,Yang Sensen,Ma Dong

Journal Article

Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Journal Article

Investigation of mechanical performance of prestressed steel arch in tunnel

Yaqiong WANG, Yunxiao XIN, Yongli XIE, Jie LI, Zhifeng WANG

Journal Article

Zhang Dingli: Theory and Method of Collaborative Design of Tunnel Support Structure System (2019-5-16

张顶立(中级职称)

20 Jan 2021

Conference Videos

Integrated logistics support system design for ships

Zhu Hong and Zhang Ping

Journal Article

Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Journal Article

Socialized care services for the aged population: System construction and support measures

Journal Article

Upper Lillooet River Hydroelectric Project: The Challenges of Constructing a Power Tunnel for Run-of-River

Nichole Boultbee, Oliver Robson, Serge Moalli, Rich Humphries

Journal Article

BMP decision support system for evaluating stormwater management alternatives

Mow-Soung CHENG, Jenny X. ZHEN, Leslie SHOEMAKER,

Journal Article

Liquefaction prediction using support vector machine model based on cone penetration data

Pijush SAMUI

Journal Article

Current applications of artificial intelligence for intraoperative decision support in surgery

Allison J. Navarrete-Welton, Daniel A. Hashimoto

Journal Article

Reliability-based design optimization of offshore wind turbine support structures using RBF surrogate

Journal Article

Research on the architecture of creativity support systemLiang

Liang Zhicheng,Yu Yuehai,Zhong Weijun

Journal Article

ENABLING CROP DIVERSIFICATION TO SUPPORT TRANSITIONS TOWARD MORE SUSTAINABLE EUROPEAN AGRIFOOD SYSTEMS

Journal Article