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Resistance of large caisson in floating transport considering the influence of air

Junjie ZHENG, Zongzhe LI, Dongan ZHAO, Qiang MA, Rongjun ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 331-338 doi: 10.1007/s11709-010-0085-3

Abstract: This paper deals with the floating resistance of super large caisson by numerical simulation, and theinfluence of air resistance on the caisson, which is often ignored by previous researchers, is consideredThe floating caisson of Taizhou Highway Bridge’s middle tower pier is investigated, and the softwarepackage FLUENT is used to simulate the floating process of large-scale rounded rectangular steel caisson, and the effect of air resistance on the safety of caisson should be paid sufficient attention to rather

Keywords： large-scale caisson numerical simulation hydraulic resistance air resistance

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Model testing of tripod caisson foundations in silty clay subjected to eccentric lateral loads

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3, Pages 467-476 doi: 10.1007/s11709-023-0933-6

Abstract: In this study, model tests were conducted to investigate the bearing capacities of tripod caisson foundationssignificantly influenced the bearing capacity of the foundations, particularly for eccentric tripod caissonCompared with eccentric tripod caisson foundations, the traditional tripod foundation has a relativelyBy analyzing the displacement of the caissons, a formula for the rotational center of the tripod caissonThe depth of the rotation center was 0.68–0.92 times the height of the caisson when the bearing capacity

Keywords： tripod caisson foundation silty clay eccentric lateral capacity model tests

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Foundation form and supportingconstruction technique of offshore wind farm

Qin Shunquan,Zhang Ruixia,Li Juntang

Strategic Study of CAE 2010, Volume 12, Issue 11, Pages 35-39

Abstract: wind farm base forms and construction methods, several forms of gravity, single pile, group piles, setof caisson, open caisson and suction barrel base were introduced.

Keywords： offshore wind farm foundation form pile foundation jacket base suction barrel base set of caisson fan

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Bottom sealing construction technology for extralarge onland caisson

Du Hongchi and Yang Ning

Strategic Study of CAE 2012, Volume 14, Issue 5, Pages 19-22

Abstract: text-align: justify;">The total quantity of concrete exceeds 30 000 m³ for the north anchor caissonThis article presents the bottom sealing construction technology for the caisson of north anchor of Taizhou

Keywords： extra large on land caisson bottom sealilng construction technology for caisson Taizhou Bridge

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Construction technology in huge caisson on the ground

Qiu Qionghai,Lin Fan,Jiang Jianghua

Strategic Study of CAE 2010, Volume 12, Issue 4, Pages 14-20

Abstract: The south and north foundation of the anchorages are deep water caisson with rectangular plane size 67.9, fulfillment of concrete in the caisson etc, based on the conditions such as the thick overburden layerat the top of the caisson, the super dimension and the big sinking depth of the caisson.This article gives a brief introduction on construction technologies in huge caisson on the ground andcan be taken as a reference during the construction of the super scale caisson on the ground in the

Keywords： suspension bridge anchorage caisson assembly deep-well dewatering foundation settlement air suction

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Water dredging construction method of the super scale caisson

Xia Guoxing,Du Hongchi

Strategic Study of CAE 2010, Volume 12, Issue 4, Pages 25-28

Abstract: This paper introduced the water dredging construction method of the super scale caisson based on the

Keywords： super scale caisson water dredging construction

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Security monitoring technology of the caisson foundation of anchorage in construction

Feng Zhaoxiang,Wang Jinguo,Wang Jian

Strategic Study of CAE 2010, Volume 12, Issue 4, Pages 68-72

Abstract: text-align: justify;">Aiming at the structure features and construction methods for the south anchor caisson

Keywords： caisson control index well sinking sidewall earth pressure

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Level set band method: A combination of density-based and level set methods for the topology optimization

Peng WEI, Wenwen WANG, Yang YANG, Michael Yu WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3, Pages 390-405 doi: 10.1007/s11465-020-0588-0

Abstract: The level set method (LSM), which is transplanted from the computer graphics field, has been successfullyIn this study, a level set band method is proposed to overcome this drawback in handling topology changesin the level set framework.the continuity of objective and constraint functions by incorporating one parameter, namely, level setThe proposed method demonstrates a flexible topology change by applying a certain size of the level set

Keywords： level set method topology optimization density-based method level set band

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Research on the depth effect of caisson foundation south anchorage of Taizhou Bridge

Pan Hui,Shao Guojian and Hu Feng

Strategic Study of CAE 2012, Volume 14, Issue 5, Pages 62-65

Abstract: Because the embedded depth of caisson foundation south anchorage of Taizhou Bridge is 42 m, FEM(finiteelement method) is utilized to research the depth effect of the caisson foundation in the stability

Keywords： gravity anchorage caisson foundation depth effect FEM

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Foundation design of large-scale and deep water caisson

Lu Qinfeng,Zhao Douhuan,Yang Jin

Strategic Study of CAE 2010, Volume 12, Issue 4, Pages 9-13

Abstract: proposals are studied for the foundation type of the middle tower, especially the comparison between caissonThe caisson foundation is adopted because of its concise structural behavior, larger rigidity and simpler's dimension is 58 m×44 m with four circle chambers at corners, the total depth of the caissonThe bottom segment of the caisson adopts concrete caisson with steel hull, and its upper segment adoptsThe design of the caisson foundation will provided good experience for the future similar projects.

Keywords： Taizhou Bridge large-scale and deep water caisson foundation design

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Displacement and force analyses of piles in the pile-caisson composite structure under eccentric inclined

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0957-y

Abstract: A novel anchorage for long-span suspension bridges, called pile-caisson composite structures, was recentlyThis study aims to investigate the displacement and force behavior of piles in a pile-caisson compositecomposite structure, and distribution of soil layers on the performance of the pile-caisson compositethe displacements and improving the stability of the pile-caisson composite structure.composite structure, especially the soil layer around the caisson.

Keywords： composite structure piles foundation suspension bridge 1g model test finite-element analysis

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Maximum independent set in planning freight railway transportation

Gainanov Damir N., Mladenovic NENAD, Rasskazova V. A.

Frontiers of Engineering Management 2018, Volume 5, Issue 4, Pages 499-506 doi: 10.15302/J-FEM-2018031

Abstract: We define a special conflict graph on the basis of a set of acceptable train routes.aims to solve the classical combinatorial optimization problem in relation to the maximum independent setthese constructions, the lower and upper bounds for the number of vertices in the maximum independent set

Keywords： independent set algorithm planning of transportation two-sided estimate

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Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2, Pages 288-297 doi: 10.1007/s11783-014-0642-4

Abstract: The study introduces a new approach, set pair analysis theory, to measure the state of a SWRS, and anAn evaluation model of the SWRS based on set pair analysis theory is constructed, and an example of SWRS

Keywords： sustainable water resources system operating mechanism set pair analysis model Shanghai

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The processing and precision control of large thinwall steel caisson

Peng Wu,Lin Fan,Zhao Qiang,Ma Jianle

Strategic Study of CAE 2010, Volume 12, Issue 4, Pages 21-24

Abstract: ">It was discussed the proper choice for processing and welding technology of large thin-wall steel caissonAccording to the caisson's characteristics of large size and thin wall, reasonable welding and assemblycontrol precision in the processes of fabricating and assembling pieces of each unit and the whole caisson

Keywords： large thin-walled steel caisson processing precision control

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XFEM schemes for level set based structural optimization

Li LI, Michael Yu WANG, Peng WEI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 335-356 doi: 10.1007/s11465-012-0351-2

Abstract:

In this paper, some elegant extended finite element method (XFEM) schemes for level set method structuralproposed XFEM is a promising structural analysis approach for structural optimization with the level set

Keywords： structural optimization level set method extended finite element method (XFEM) computational accuracy