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Strategy and Countermeasure Research on Industrial Foundation Upgrading

Zhu Minghao, Zhang Zhibo, Yang Xiaoying, Gao Bo, Zang Jiyuan, Qu Xianming

Strategic Study of CAE 2021, Volume 23, Issue 2,   Pages 122-128 doi: 10.15302/J-SSCAE-2021.02.018

Abstract:

The weak industrial foundation has been restricting the development ofAs a significant aspect for modern industrial system construction, industrial foundation upgrading, aimsIn this paper, we analyze the connotations of industrial foundation and industrial foundation upgradingThe general idea for promoting industrial foundation upgrading in China are proposed.The industrial foundation upgrading should be promoted by stages.

Keywords： industrial foundation     industrial foundation upgrading     new national system     chaining scheme     safeguard    

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A Study on the Development Strategies of the Basic Parts and Components Industry in China

Yang Yanming,Zhu Minghao,Shao Zhufeng and You Zheng

Strategic Study of CAE 2017, Volume 19, Issue 3,   Pages 117-124 doi: 10.15302/J-SSCAE-2017.03.017

Abstract: The manufacturing of basic parts and components in China is surging forward at a high level, and its industrialThis paper first defines the implication of industrial basic parts and components, and then describesIn addition, because talent is the basis for innovation and industrial development, the government should

Keywords： industrial basic components     industrial foundation     independent innovation     industrial policy    

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Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 194-202 doi: 10.1007/s11709-015-0292-z

Abstract: Considering the interactions between an embedded foundation and saturated soil, the torsional vibrationsof a cylindrical foundation embedded in a saturated poroelastic medium are analyzed in this paper.Both a rigid foundation and an elastic foundation are considered.Assuming both the side surface and the bottom surface of the foundation are perfectly bonded to soil,of an embedded cylindrical foundation are presented.

Keywords： embedded foundation     saturated soil     rigid foundation     elastic foundation     torsional vibration    

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Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 546-565 doi: 10.1007/s11709-023-0943-4

Abstract: Scouring is one of the primary triggers of failure for bridges across rivers or seas. However, research concerning the scour mechanism of multi-wall foundations (MWFs) remains scarce, hindering the further application of MWFs. In this study, for the first time, the scouring effect caused by unidirectional flow around MWFs was examined numerically using FLOW-3D involving a large-eddy simulation. Initially, the applicability of the scouring model and input parameters was validated using a case study based on published measured data. Subsequently, the scouring effects of four MWFs with different wall arrangements and inflow angles, including the flow field analysis and scour pit and depth, were investigated thoroughly. It was found that the maximum scour depth of MWFs with an inflow angle of 0° was smaller than that of those with an inflow angle of 45°, regardless of the wall arrangement. Meanwhile, changing the inflow angle significantly affects the scour characteristics of MWFs arranged in parallel. In practical engineering, MWFs arranged in parallel are preferred considering the need for scouring resistance. However, a comparative analysis should be performed to consider comprehensively whether to adopt the form of a round wall arrangement when the inflow angle is not 0° or the inflow direction is changeable.

Keywords： multi-wall foundation     current-induced scour     bridge foundation     large-eddy simulation     numerical analysis    

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Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 701-715 doi: 10.1007/s11709-018-0507-1

Abstract: The seismic performance of gravity dam-reservoir-foundation coupled system is investigated utilizingThe methodology is applied to Pine Flat gravity dam and the foundation is considered to be inhomogeneousThe effects of the deconvolution process, number of samples, and foundation inhomogeneity are investigated

Keywords： gravity dams     dam-reservoir-foundation interaction     seismic reliability     inhomogeneous foundation     earthquake    

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Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 82-93 doi: 10.1007/s11709-019-0575-x

Abstract: typical traffic immersed tunnels built in China, this paper details the features of the four dominant foundationtreatment methods for immersed tunnel construction: pile foundation, sand flow foundation, groutingfoundation, and gravel bedding foundation.Further, a comprehensive comparison of settlement and cost of these four foundation treatment methodsThe findings of this article could henceforth be applied to foundation treatment work in immersed tube

Keywords： foundation treatment method     immersed tunnel     subsoil stress     settlement    

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Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 299-304 doi: 10.1007/s11709-009-0035-0

Abstract: The similarity law of centrifuge test was developed for the seepage field and stress field of a foundationBased on the deep foundation pit of the Huangxing Road Station of the Shanghai metro line M8, the deformation

Keywords： foundation pit with confined water     centrifuge model test     seepage-stress coupling field     similarity relation    

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Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 461-477 doi: 10.1007/s11709-021-0705-0

Abstract: internal force of the piles, as well as inordinate settlement of soil surrounding the existing bridge foundationIt was found that the excavation depth and the distance between the foundation pit and the bridge foundationFor the FEM, the FE baseline model was calibrated based on the case of no bridge surrounding the foundationFurthermore, the lateral displacement of the bridge pile foundation, the internal force of the piles,and the settlement of the soil surrounding the pile foundation were emphatically analyzed.

Keywords： deep foundation pit excavation     adjacent bridge foundation     influencing factors     analytic hierarchy process    

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Conservation and adaptive reuse of industrial heritage in Shanghai

ZHANG Song

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 481-490 doi: 10.1007/s11709-007-0065-4

Abstract: This paper takes a retrospective review of the evolution of the conservation of industrial heritage inurban Shanghai since the 1990s within the context of the international industrial heritage conservation

Keywords： evolution     industrial     international industrial     retrospective     Shanghai    

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An efficient method for the dynamic interaction of open structure-foundation systems

LIU Jingbo, GU Yin, LI Bin, WANG Yan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 340-345 doi: 10.1007/s11709-007-0045-8

Abstract: The structure-foundation system is transformed from an original open system into an approximately hermeticThis procedure is highly efficient in analyzing dynamic structure-foundation interaction problems insource problem in 2-dimensions (2-D) elastic semi-infinite space, and the other is a dynamic structure-foundationThe results also indicate that the proposed method is more advantageous for solving large structure-foundation

Keywords： structure-foundation interaction     superposition     interaction problem     freedom     efficient    

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1 Project supported by the National Natural Science Foundation of China (Nos. 61201209 and61401499), the Natural Science Foundation of Shaanxi Province, China (No. 2015JM6340), and the Industrial Article

Shui-qing GONG,Jing CHEN,Qiao-yan KANG,Qing-wei MENG,Qing-chao ZHU,Si-yi ZHAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 7,   Pages 701-716 doi: 10.1631/FITEE.1500387

Abstract: Software-defined networking (SDN) enables the network virtualization through SDN hypervisors to share the underlying physical SDN network among multiple logically isolated virtual SDN networks (vSDNs), each with its own controller. The vSDN embedding, which refers to mapping a number of vSDNs to the same substrate SDN network, is a key problem in the SDN virtualization environment. However, due to the distinctions of the SDN, such as the logically centralized controller and different virtualization technologies, most of the existing embedding algorithms cannot be applied directly to SDN virtualization. In this paper, we consider controller placement and virtual network embedding as a joint vSDN embedding problem, and formulate it into an integer linear programming with objectives of minimizing the embedding cost and the controller-to-switch delay for each vSDN. Moreover, we propose a novel online vSDN embedding algorithm called CO-vSDNE, which consists of a node mapping stage and a link mapping stage. In the node mapping stage, CO-vSDNE maps the controller and the virtual nodes to the substrate nodes on the basis of the controller-to-switch delay and takes into account the subsequent link mapping at the same time. In the link mapping stage, CO-vSDNE adopts the -shortest path algorithm to map the virtual links. The evaluation results with simulation and Mininet emulation show that the proposed CO-vSDNE not only significantly increases the long-term revenue to the cost ratio and acceptance ratio while guaranteeing low average and maximum controller-to-switch delay, but also achieves good vSDN performance in terms of end-to-end delay and throughput.

Keywords： Software-defined networking (SDN)     Network virtualization     Controller placement     Virtual network embedding     Coordination    

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Conservation and adaptive-reuse of historical industrial building in China in the post-industrial era

WANG Jianguo, JIANG Nan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 474-480 doi: 10.1007/s11709-007-0064-5

Abstract: The conservation and adaptive-reuse of historical industrial building is one of the most important issuesthis paper, the necessity and academic meaning of the conservation and adaptive-reuse of historical industrial, and the basic contents of the implementation of the conservation and adaptive-reuse of historical industrialprinciples and relevant core technical specifications based on the empirical researches on the historical industrial

Keywords： historical industrial     industrial building     implementation     adaptive-reuse     empirical    

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Improved numerical method for time domain dynamic structure-foundation interaction analysis based on

DU Jianguo, LIN Gao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 336-342 doi: 10.1007/s11709-008-0054-2

Abstract: finite element method (SBFEM), an improved time domain numerical approach for the dynamic structure-foundationWith reasonable choice of the number of base functions, the degrees of freedom on the structure-foundationIt may be concluded that the proposed approach is suitable for large-scale structure-foundation interaction

Keywords： structure-foundation interface     computational efficiency     different     suitable     numerical approach    

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Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic foundation

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 191-202 doi: 10.1007/s11465-014-0293-y

Abstract:

In present study, free vibration of cracked beams resting on two-parameter elastic foundation withComprehensive studies to analyze the effects of crack location, crack severity, parameters of elastic foundation

Keywords： free vibration     cracked beam     elastic foundation     restrained ends     differential transform method    

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Adaptability to geological faulted foundation of Hardfill dam

XIONG Kun, HE Yunlong, PENG Yunfeng

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 343-349 doi: 10.1007/s11709-008-0057-z

Abstract: Hardfill dam is a new type of dam which has the advantages of low stress level and even stress distribution in a dam body, resulting in low demands to foundations. Based on 2D linear elastic and elasto-plastic calculations of gravity dam and Hardfill dam using finite element method (FEM), the stress distribution in a dam body and anti-sliding stabilization is analyzed on the geological faulted foundations with weak weathered rock and soft interlayers. It is concluded that Hardfill dams have better adaptability to geological faulted foundations than gravity dams and is more secure and economically sound.

Keywords： weathered     elastic     geological faulted     FEM     gravity    

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Title Author Date Type Operation

Strategy and Countermeasure Research on Industrial Foundation Upgrading

Zhu Minghao, Zhang Zhibo, Yang Xiaoying, Gao Bo, Zang Jiyuan, Qu Xianming

Journal Article

A Study on the Development Strategies of the Basic Parts and Components Industry in China

Yang Yanming,Zhu Minghao,Shao Zhufeng and You Zheng

Journal Article

Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Journal Article

Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Journal Article

Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Journal Article

Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Journal Article

Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Journal Article

Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Journal Article

Conservation and adaptive reuse of industrial heritage in Shanghai

ZHANG Song

Journal Article

An efficient method for the dynamic interaction of open structure-foundation systems

LIU Jingbo, GU Yin, LI Bin, WANG Yan

Journal Article

1 Project supported by the National Natural Science Foundation of China (Nos. 61201209 and61401499), the Natural Science Foundation of Shaanxi Province, China (No. 2015JM6340), and the Industrial

Shui-qing GONG,Jing CHEN,Qiao-yan KANG,Qing-wei MENG,Qing-chao ZHU,Si-yi ZHAO

Journal Article

Conservation and adaptive-reuse of historical industrial building in China in the post-industrial era

WANG Jianguo, JIANG Nan

Journal Article

Improved numerical method for time domain dynamic structure-foundation interaction analysis based on

DU Jianguo, LIN Gao

Journal Article

Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic foundation

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Journal Article

Adaptability to geological faulted foundation of Hardfill dam

XIONG Kun, HE Yunlong, PENG Yunfeng

Journal Article