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The Discussion and Research on the Technologies of Afforestation and Salt Draining Engineering in Coastal Wasteland

Zhang Wanjun,Guo Yuwen,Wang Doutian,Zhang Minsheng,Huang Mingyong

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 79-85

Abstract: rely on, the new conception “allowable depth”, established in coastal area of TEDA with shallowgroundwater and silt soft foundation, and the new techniques on water drainage by “shallow-densetype” underground level pipes were introduced.

Keywords： saltern     shallow groundwater and silt soft foundation     level underground pipe draining     critical depth     allowabledepth     shallow-dense type    

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Surface modification by ligand growth strategy for dense copper bismuth film as photocathode to enhance

Frontiers in Energy doi: 10.1007/s11708-023-0893-5

Abstract: Herein, a straightforward sol-gel method with the ligand-induced growth strategy was employed to obtain dense

Keywords： copper bismuthate     photocathode     ligand growth strategy     dense film     PEC    

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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: drilling occlusal and linking reinforcement technology+cross-located right next door after disassembly typeexcavation technology in shallow-buried rich water soft soil stratum tunnel excavation process.processing， make the deformation of surrounding rock control， successfully passed the construction of shallow-buried

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

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Low crosstalk switch unit for dense piezoelectric sensor networks

Lei QIU, Shenfang YUAN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 401-406 doi: 10.1007/s11465-009-0047-4

Abstract: Furthermore, to monitor large-scale structures, dense piezoelectric sensor networks are required, which

Keywords： structural health monitoring (SHM)     piezoelectric (PZT) sensor networks     switch unit     crosstalk signal    

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Building a dense surface map incrementally from semi-dense point cloud andRGBimages

Qian-shan LI,Rong XIONG,Shoudong HUANG,Yi-ming HUANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 594-606 doi: 10.1631/FITEE.14a0260

Abstract: A dense surface map, which offers rich visual and geometric information, is an ideal representation ofpoint cloud and RGB images, we propose a method to generate a consistent and dense surface map fromthis kind of semi-dense point cloud and RGB images.The method contains two main steps: (1) generate a dense surface for every single scan of point cloudNoise within the scan is reduced and a dense surface is generated.

Keywords： Bionic robot     Robotic mapping     Surface fusion    

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Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 109-115 doi: 10.1007/s11709-010-0003-8

Abstract: Dense granular matter is a conglomeration of discrete solid and closely packed particles.

Keywords： granular matter     force chain     multiscale modeling    

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Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 745-762 doi: 10.1007/s11709-023-0935-4

Abstract: analytical model based on complex variable theory is proposed to investigate ground responses due to shallowThe present model is superior to the classical model for analyzing ground responses of shallow tunnelingthus, it can be used with assurance to estimate the ground movement and surface building safety of shallow

Keywords： analytical model     mechanical response     multi-layered ground     shallow tunneling     ground surface load    

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Comparison of shallow tunneling method with pile and rib method for construction of subway station in

Sina AMIRI; Ali Naghi DEHGHAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 704-717 doi: 10.1007/s11709-021-0746-4

Abstract: In the present study, a comparison between the new shallow tunneling method (STM) and the traditional

Keywords： shallow tunneling method     pile and rib method     ground surface settlement     subway station construction    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Tunnels extend in large stretches with continuous lengths of up to hundreds of kilometers which are vulnerable to faulting in earthquake-prone areas. Assessing the interaction of soil and tunnel at an intersection with an active fault during an earthquake can be a beneficial guideline for tunnel design engineers. Here, a series of 4 centrifuge tests are planned and tested on continuous tunnels. Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in a quasi-static manner. Failure mechanism, progression and locations of damages to the tunnels are assessed through a gradual increase in Permanent Ground Displacement (PGD). The ground surface deformations and strains, fault surface trace, fault scarp and the sinkhole caused by fault movement are observed here. These ground surface deformations are major threats to stability, safety and serviceability of the structures. According to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the functionality loss is not abrupt, and the tunnel will be able to tolerate some fault displacements. By monitoring the progress of damage states by increasing PGD, the fragility curves corresponding to each damage state were plotted and interpreted in related figures.

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility curves    

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Strategic Thinking on Shallow-water Oil and Gas Exploration in Offshore China

Ke-qiang Wu,Jian-yong Xu,Bo Kang

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 349-355 doi: 10.15302/J-FEM-2016056

Abstract: offshore China has made great achievements, and as the important areas of offshore exploration, the shallowTherefore, for effective exploration of shallow-water oil and gas in offshore China, it is necessary

Keywords： offshore China     shallow-water oil and gas exploration     strategic thinking     challenge     countermeasure    

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Mesoscopic properties of dense granular materials: An overview

Qicheng SUN, Feng JIN, Guohua ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 1-12 doi: 10.1007/s11709-013-0184-z

Abstract: A multiscale framework is then proposed for dense granular materials.

Keywords： granular matter     macroscopic structure     jamming phase transition    

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Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 164-175 doi: 10.1007/s11708-016-0407-9

Abstract: In this paper, different models for liquid breakup processes in high-pressure dense diesel sprays and

Keywords： breakup model     diesel engine     high-pressure injection     simulations    

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Control concept and countermeasures for shallow lakes' eutrophication in China

JIN Xiangcan, LU Shaoyong, HU Xiaozhen, JIANG Xia, WU Fengchang

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 257-266 doi: 10.1007/s11783-008-0063-3

Abstract: Research on lake eutrophication in China began in the early 1970s, and many lakes in China are now known to be in meso-eutrophic status. Lake eutrophication has been showing a rapidly increasing trend since 2000. Investigations show that the main reasons for lake eutrophication include a fragile lake background environment, excessive nutrient loading into lakes, excessive human activities, ecological degeneration, weak environmental protection awareness, and lax lake management. Major mechanisms resulting from lake eutrophication include nutrient recycling imbalance, major changes in water chemistry (pH, oxygen, and carbon), lake ecosystem imbalance, and algal prevalence in lakes. Some concepts for controlling eutrophication should be persistently proposed, including lake catchment control, combination of pollutant source control with ecological restoration, protection of three important aspects (terrestrial ecology, lake coast zone, and submerged plant), and combination of lake management with regulation. Measures to control lake eutrophication should include pollution source control (i.e., optimize industrial structural adjustments in the lake catchment, reduce nitrogen and phosphorus emission amounts, and control endogenous pollution) and lake ecological restoration (i.e. establish a zone-lake buffer region and lakeside zone, protect regional vegetation, utilize hydrophytes in renovation technology); countermeasures for lake management should include implementing water quality management, identifying environmental and lake water goals, legislating and formulating laws and regulations to protect lakes, strengthening publicity and the education of people, increasing public awareness through participation in systems and mechanic innovations, establishing lake region management institutions, and ensuring implementation of governance and management measures.

Keywords： excessive     participation     prevalence     lakeside     Research    

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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, the

Keywords： soil tunnel     deep tunnel and shallow tunnel     demarcating method    

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Numerical simulation of flood inundation processes by 2D shallow water equations

ZHANG Xinhua, LONG Wenfei, XIE Heping, ZHU Jiahua, WANG Jiangping

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 107-113 doi: 10.1007/s11709-007-0011-5

Abstract: and to reduce the loss of lives and properties in urban areas, a numerical simulation model using 2D shallow

Keywords： control     satisfactory     management     central     rescue    

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Title Author Date Type Operation

The Discussion and Research on the Technologies of Afforestation and Salt Draining Engineering in Coastal Wasteland

Zhang Wanjun,Guo Yuwen,Wang Doutian,Zhang Minsheng,Huang Mingyong

Journal Article

Surface modification by ligand growth strategy for dense copper bismuth film as photocathode to enhance

Journal Article

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

Zhao Licai

Journal Article

Low crosstalk switch unit for dense piezoelectric sensor networks

Lei QIU, Shenfang YUAN,

Journal Article

Building a dense surface map incrementally from semi-dense point cloud andRGBimages

Qian-shan LI,Rong XIONG,Shoudong HUANG,Yi-ming HUANG

Journal Article

Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Journal Article

Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Journal Article

Comparison of shallow tunneling method with pile and rib method for construction of subway station in

Sina AMIRI; Ali Naghi DEHGHAN

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Strategic Thinking on Shallow-water Oil and Gas Exploration in Offshore China

Ke-qiang Wu,Jian-yong Xu,Bo Kang

Journal Article

Mesoscopic properties of dense granular materials: An overview

Qicheng SUN, Feng JIN, Guohua ZHANG

Journal Article

Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Journal Article

Control concept and countermeasures for shallow lakes' eutrophication in China

JIN Xiangcan, LU Shaoyong, HU Xiaozhen, JIANG Xia, WU Fengchang

Journal Article

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

Zhao Zhanchang,Xie Yongli

Journal Article

Numerical simulation of flood inundation processes by 2D shallow water equations

ZHANG Xinhua, LONG Wenfei, XIE Heping, ZHU Jiahua, WANG Jiangping

Journal Article