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Full-mechanized caving mining technology of extremely thick and hard coal-seam with hard roof in shallowburied depth

Zhang Zhongwen,Wu Jinan

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 107-112

Abstract: mining with high recovery ratio would be realized by lengthening mining face and adding mining height in shallowburied hard coal-seam with hard roof.

Keywords： shallow buried depth     hard coal-seam with hard roof     top-coal caving difficulty degree     full-mechanized    

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Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 24-28

Abstract:

The ultra-small spacing tunnel of Jiaozhou Bay seabed tunnel in Qingdao is took for example; the surrounding rock pressure features and support force are analyzed through the field measurement. Results show that the surrounding rock pressure and support force of the after-excavation tunnel are larger than others of the tunnel. This result is different from the theoretical predictions and experimental results of most of the small spacing symmetry tunnel. To alleviate these problems effectively, support parameters are adjusted opportunely; the radial support capacity of the after-excavation tunnel is enhanced, and reinforcement measures of rock pillar are made at the same time. The monitoring results show that the stability of the after-construction tunnel has been effectively controlled, which provides useful reference for the design and construction of similar tunnels with small spacing.

Keywords： tunnel     ultra-small spacing     asymmetric     shallow-buried     field measurement    

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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 doneThese research results can provide theoretical basis and underlying date for support scheme for Shallowburied 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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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: reinforcement technology+cross-located right next door after disassembly type excavation technology in shallow-buriedprocessing， 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 after    

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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: . , to rely on, the new conception “allowable depth”, established in coastal area of TEDAwith shallow groundwater and silt soft foundation, and the new techniques on water drainage by “shallow-dense type” 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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Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 92-96

Abstract:

A series of research on mechanical behaviors of big pipe-roof in shallow

Keywords： shallow burying mining     undercrossing construction     loess tunnel     pipe-roof     deformation monitoring    

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Land use/cover change effects on floods with different return periods: a case study of Beijing, China

Yueling WANG, Xiaoliu YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 769-776 doi: 10.1007/s11783-013-0542-z

Abstract: quantify the effect of LUCC on floods in terms of inundation extent, flood arrival time and maximum water deptharrival time, and floods with longer return periods are more influenced; 3) LUCC can affect maximum water depth

Keywords： inundation extent     flood arrival time     maximum water depth     shallow flow model    

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Construction optimization of shallow-buried tunnel in gravel strata based on controlling settlement of

Yu Jun,Liu Songyu and Gong Xiaonan

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 97-102

Abstract: stability of surrounding rock is closely connected with the settlement of the crown during construction of shallow-buriedThe result showed that the crown settlement easily took place during excavation of shallow tunnel and

Keywords： gravel     surrounding rock of tunnel     numerical analysis     construction optimization     crown settlement     site monitoring    

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Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 222-226 doi: 10.1007/s11709-017-0423-9

Abstract: Full-Depth Reclamation (FDR) is a sustainable method of building pavement structure compared to more

Keywords： raveling     full depth reclamation    

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Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 191-204 doi: 10.1007/s11709-022-0906-1

Abstract: The vibration response evolution law of the buried drainage box culvert under blasting vibration wasof the box culvert, and PPV of the surface, it is proposed that the surface control velocity of the buried

Keywords： drainage box culvert     underpass blasting     dynamic response     numerical simulation     safety assessment    

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Improvement of mechanical behavior of buried pipelines subjected to strike-slip faulting using textured

Mahdi IZADI, Khosrow BARGI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1105-1119 doi: 10.1007/s11709-019-0539-1

Abstract: The present study investigates the mechanical behavior of a new generation of buried pipelines, dubbedThe present study has assessed 3-D numerical models of two kinds of buried textured pipelines, with 6

Keywords： buried pipeline     textured pipeline     local buckling    

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Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 103-109 doi: 10.1007/s11709-018-0474-6

Abstract: This paper presents a simple and efficient equation for calculating the Fox depth correction factor usedClassical solution of Boussinesq theory was used originally to develop the Fox depth correction factoris straightforward, competent and easy to use for both manual and automated calculation of the Fox depthin the later part of the paper to analyse the extent of effect of a particular variable on the Fox depth

Keywords： settlement     embedment     Fox depth correction factor     regression     multivariable    

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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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Investigating peak stresses in fitting and repair patches of buried polyethylene gas pipes

Reza KHADEMI ZAHEDI, Pouyan ALIMOURI, Hooman KHADEMI ZAHEDI, Mohammad SHISHESAZ

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 147-168 doi: 10.1007/s11709-019-0587-6

Abstract: polyethylene fittings in joining polyethylene gas pipes which are electrofused onto the pipe ends and buriedBuried polyethylene pipelines in the natural gas industry, can be imposed by sever loadings includingAlthough the buried pipe is imposed to the maximum values of stresses, the PE100 socket is more sensitivefour studied patch arrangements show significant reinforcing effects on the defected section of the buriedMeanwhile, the defected buried medium density polyethylene gas pipe and its saddle fused patch can resist

Keywords： Ansys software     polyethylene     buried pipelines     polyethylene joints     polyethylene patches     peak von Mises    

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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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Title Author Date Type Operation

Full-mechanized caving mining technology of extremely thick and hard coal-seam with hard roof in shallowburied depth

Zhang Zhongwen,Wu Jinan

Journal Article

Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

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

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

Zhao Licai

Journal Article

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

Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Journal Article

Land use/cover change effects on floods with different return periods: a case study of Beijing, China

Yueling WANG, Xiaoliu YANG

Journal Article

Construction optimization of shallow-buried tunnel in gravel strata based on controlling settlement of

Yu Jun,Liu Songyu and Gong Xiaonan

Journal Article

Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Journal Article

Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Journal Article

Improvement of mechanical behavior of buried pipelines subjected to strike-slip faulting using textured

Mahdi IZADI, Khosrow BARGI

Journal Article

Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Journal Article

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

Journal Article

Investigating peak stresses in fitting and repair patches of buried polyethylene gas pipes

Reza KHADEMI ZAHEDI, Pouyan ALIMOURI, Hooman KHADEMI ZAHEDI, Mohammad SHISHESAZ

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