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river closure by end dumping 2

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Risk Severity Analysis of Scheme of River Closure by End Dumping

He Changhai,Hu Zhigen,Zhou Yihong,Xiao Huanxiong,Fu Zheng,Li Dingkui

Strategic Study of CAE 2002, Volume 4, Issue 4,   Pages 58-63

Abstract:

According to comprehensive analysis of river closure risk, a summary of two kinds of reasonable riskvariables and models characteristic of high drop and high flow velocity in river closure project areThis paper also puts forward the specific methods and procedures to calculate river closure risk probabilityBased on the case study and, evaluation and treatment of river closure risk are further analyzed.suggestion of reasonable risk severity is given that lays a basic foundation for risk decision of river closure

Keywords： river closure by end dumping     scheme of river closure     standard of river closure     risk probability     risk    

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Closure technique for the hybrid girder cable-stayed bridge of Edong Bridge

Liu Minghu,Tan Hao,Xu Guoping,Zhao Canhui

Strategic Study of CAE 2011, Volume 13, Issue 10,   Pages 99-104

Abstract: cable-stayed bridge with 926 m long main span,the influencing factors and crucial techniques of the main span closureAfter theoretical analysis, numerical evaluation and practical test, the loading assistant closure methodThe loading assistant closure method, with better thermal adaptability and less influence on bridge lineBased on the mentioned advantages,the loading assistant closure method is applicable to long span hybrid

Keywords： Edong Bridge     hybrid girder cable-stayed bridge     closure technique     loading assistant closure method    

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Coupling the porous conditional moment closure with the random pore model: applications to gasification

D. N. SAULOV, C. R. CHODANKA, M. J. CLEARY, A. Y. KLIMENKO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 84-93 doi: 10.1007/s11705-011-1164-2

Abstract: The porous conditional moment closure (PCMC) model proves to be adequate for modeling reactive transport

Keywords： gasification     CO2 capture     PCMC     RPM    

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Non-closure of the peritoneum and subcutaneous tissue at radical hysterectomy: A randomized controlled

Zhou-Fang XIONG MD, Wei-Hong DONG MD, Ze-Hua WANG MD,

Frontiers of Medicine 2010, Volume 4, Issue 1,   Pages 112-116 doi: 10.1007/s11684-010-0016-7

Abstract: We conducted a trial to assess the influence of closure or nonclosure of the peritoneum and subcutaneousEighty-two patients were allocated to the “closure” group and 76 patients to the “nonclosureResults showed that non-closure of the peritoneum and subcutaneous tissue could shorten operation timeOur study revealed that closure of the peritoneum and subcutaneous tissue provides no immediate postoperativeThe practice of closure of the peritoneum and subcutaneous tissue at radical hysterectomy should be questioned

Keywords： cervical cancer     radical surgery     peritoneum     subcutaneous tissue    

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Research on dynamic visual simulation for construction process of river closure project based on virtual

Tong Dawei

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 80-83

Abstract:

In this paper, 3D simulation model for the river closure is establishedWith the analysis of the dynamic hydraulic characteristics at the closure-gap, a VR-based 3D dynamicvisual-simulation of method for the complex process of river closure is presented.In this visual epresentation, comparison among different schemes of river closure is achieved easily.Therefore, a powerful visual tool for aiding river closure design and management can be provided.

Keywords： virtual reality     river closure     three-dimensional dynamic     visual simulation    

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Research on Bifurcation Property of Dike Rockfill of River Closure by End Dumping

He Changhai,Xiao Huanxiong,Hu Zhigen,Zhou Yihong

Strategic Study of CAE 2001, Volume 3, Issue 6,   Pages 69-74

Abstract: dike slope slumping with high frequency and on large scale is a new and important problem in river closureresistance of the placed material, the erosion resistance of dike foundation, the water depth of the closurethree factors mainly determine whether the slump occurs and on what scale the slump occurs in the water closureand dumping strength should be arranged correctly according to the water depth of each part of the closure

Keywords： river closure by end dumping     slump     static bifurcation     singularity theory    

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Assistant pullback technology for main span closure of Sutong Bridge

Chen Ming,Luo Chengbin,Wu Qihe,Zhang Yongtao,You Xinpeng

Strategic Study of CAE 2009, Volume 11, Issue 3,   Pages 75-80

Abstract:

By abstracting the advantage of the pullback method abroad and the deomestric temperature-cutting method, a new assistant pullback method is put forward and brought into practice actually. In this paper, the analysis key point of practice conditions, key parameter of practice, main measures of the method and the performance are introduced.

Keywords： Sutong Bridge     assistant pullback     middle span closure     geometric control method     construction technology    

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Study on anti crack design method for laminating crack at bottom slab in closure segment

Lin Haifeng,Zhang Dongdong and Zhao Qilin

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 106-112

Abstract: According to the phenomenon of laminating crack while tensioning the pre-stressed cables at bottom slab in closurebiaxial stress is more applicable to anti-crack design than the maximum tensile stress criterion for closureare established and the transverse and vertical stress between pre-stressed tendons at bottom slab in closure

Keywords： bridge engineering     bottom slab     finite element method     failure criterion     biaxial stress    

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Innovation of Management and Science and Technology in Phase I Construction of TGP

Dai Huichao,Cao Guangjing

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 50-59

Abstract: the double-way consecutive five-step ship locks, super - hydro generator set, river diversion, river closure

Keywords： Three Gorges     dam     hydropower station     ship lock     generating set     river closure     management    

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Study on overall lifting program for steel box girder of large span of three-span continuous suspension bridge

Yao Qingtao,Pan Guilin,Yao Qingtao,He Chaoran

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 54-59

Abstract:

Unlike single-span suspension bridge,the three -span continuous suspension bridge is mainly characterized by slings set in both side spans, and the continuous transition of stiffening girders between the mid and side spans achieved by girders without slings in the main tower region, and usually restraint equipments set on the side span transition piers to achieve the coordinated deformation between the main cables and stiffening girders in the region, so the lifting method and key construction process for the stiffening girders of the type of suspension bridge is relatively complex. the Fourth Nanjing Yangtze River Bridge as the background, and according to the structural features of the large span three-span continuous suspension bridge, the reasonable lifting program is determined through the comparison and analysis on two different types of lifting sequence for steel box girders.

Keywords： three-span continuous suspension bridge     steel box girder     lifting program     closure     saddle pushing    

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Construction Practice and Innovation of “Deep Sea One” Energy Station

You Xuegang , Zhou Shouwei , Zhang Xiulin , Liu Kongzhong , Xu Huakui , Liu Xinyu , Zeng Dong

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 66-79 doi: 10.15302/J-SSCAE-2022.03.008

Abstract:

The “Deep Sea One” energy station is the first ultra-deep-water large-scale gas field that is independently explored and developed by China and its proven reserves of natural gas exceed hundreds of billions of cubic meters. This energy station is also the first 100 000-ton deep-water semi-submersible production, storage, and offloading platform worldwide; it adopts a whole sea development mode that integrates a semi-submersible production, storage, and offloading platform, a subsea production system, and submarine pipelines. Moreover, the energy station is built by conducting independent design, optimizing organization and management, and strengthening technical research and innovation. This paper first reviews the construction background and challenges, introduces the optimization and breakthroughs of the development modes of deep-water gas fields, and then summarizes the major technological breakthroughs and experiences during the design and construction of this energy station, including oil storage in columns of semi-submersible platforms, load lateral transfer of super-tonnage open structures via pre-inclination and return, and half-floating integrated precisely of super large structures. This study is hoped to provide a useful reference for efficient development of deep-water and ultra-deep-water oil and gas fields and for high-level construction of semi-submersible platforms.

Keywords： ultra-deep water     semi-submarine     energy station     oil storage in column     lateral transfer     half-floating closure    

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Title Author Date Type Operation

Risk Severity Analysis of Scheme of River Closure by End Dumping

He Changhai,Hu Zhigen,Zhou Yihong,Xiao Huanxiong,Fu Zheng,Li Dingkui

Journal Article

Closure technique for the hybrid girder cable-stayed bridge of Edong Bridge

Liu Minghu,Tan Hao,Xu Guoping,Zhao Canhui

Journal Article

Coupling the porous conditional moment closure with the random pore model: applications to gasification

D. N. SAULOV, C. R. CHODANKA, M. J. CLEARY, A. Y. KLIMENKO

Journal Article

Non-closure of the peritoneum and subcutaneous tissue at radical hysterectomy: A randomized controlled

Zhou-Fang XIONG MD, Wei-Hong DONG MD, Ze-Hua WANG MD,

Journal Article

Research on dynamic visual simulation for construction process of river closure project based on virtual

Tong Dawei

Journal Article

Research on Bifurcation Property of Dike Rockfill of River Closure by End Dumping

He Changhai,Xiao Huanxiong,Hu Zhigen,Zhou Yihong

Journal Article

Assistant pullback technology for main span closure of Sutong Bridge

Chen Ming,Luo Chengbin,Wu Qihe,Zhang Yongtao,You Xinpeng

Journal Article

Study on anti crack design method for laminating crack at bottom slab in closure segment

Lin Haifeng,Zhang Dongdong and Zhao Qilin

Journal Article

Innovation of Management and Science and Technology in Phase I Construction of TGP

Dai Huichao,Cao Guangjing

Journal Article

Study on overall lifting program for steel box girder of large span of three-span continuous suspension bridge

Yao Qingtao,Pan Guilin,Yao Qingtao,He Chaoran

Journal Article

Construction Practice and Innovation of “Deep Sea One” Energy Station

You Xuegang , Zhou Shouwei , Zhang Xiulin , Liu Kongzhong , Xu Huakui , Liu Xinyu , Zeng Dong

Journal Article