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The Open Ocean Engineering Journal最新文献

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Finite Element Analysis of a Cofferdam with Bucket Foundations at Zhuanghai Artificial Island 庄海人工岛桶形基础围堰有限元分析
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010063
Jianhong Zhang, Xingxing Zhang
{"title":"Finite Element Analysis of a Cofferdam with Bucket Foundations at Zhuanghai Artificial Island","authors":"Jianhong Zhang, Xingxing Zhang","doi":"10.2174/1874835X01003010063","DOIUrl":"https://doi.org/10.2174/1874835X01003010063","url":null,"abstract":"This paper presents a finite element study of the stability and deformation of a cofferdam incorporating bucket foundations in soft clays at Zhuanghai Artificial Island. The development of excess pore pressures in the clays has been investigated in terms of the progress of construction, geometry of structures and hence the load resulted. The effect of pre- fabricated drains on the behavior of the soil-structure system has been highlighted.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116310291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
The Effects of Grain Size Distribution and Structure on Mechanical Behavior of Silty Sand 粒度分布和结构对粉砂力学性能的影响
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010082
Shuyun Wang, Xiaobing Lu, Zhongming Shi
{"title":"The Effects of Grain Size Distribution and Structure on Mechanical Behavior of Silty Sand","authors":"Shuyun Wang, Xiaobing Lu, Zhongming Shi","doi":"10.2174/1874835X01003010082","DOIUrl":"https://doi.org/10.2174/1874835X01003010082","url":null,"abstract":"In order to investigate the effects of the grain size distribution and the micro-structure of soils on the mechani- cal characteristics, some static triaxial compression tests were carried out, and then the relationship of stress-strain and the strength behavior of silty sand were compared among undisturbed samples with different grain size distribution, undis- turbed and remolded samples with the same grain size distribution, and reconstituted samples (or called mixed samples) with different grain size distribution. The effects of grain size distribution and structure on the mechanic behavior of silty sands were mainly analyzed. It is shown that the obvious differences of the mechanical characteristics between undis- turbed soils and remolded soils are caused by the differences of soil structures. Although the grain size distribution are different between two soil samples, their mechanical characteristics may be close to each other, or may have obvious differences because of the effects of micro-structure.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130009297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of the Spudcan Penetration on the Adjacent Foundations 铲钻对邻近地基的影响
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010038
Yongren R. Wu, Xiaobing Lu, Xuhui Zhang
{"title":"Effects of the Spudcan Penetration on the Adjacent Foundations","authors":"Yongren R. Wu, Xiaobing Lu, Xuhui Zhang","doi":"10.2174/1874835X01003010038","DOIUrl":"https://doi.org/10.2174/1874835X01003010038","url":null,"abstract":"To study the effects of spudcan penetration on the adjacent foundations of offshore platforms, experiments and numerical simulations (using business software ABAQUS) are carried out. It is shown that the penetration of spudcan can cause the soil layer affected in an annular zone. The affected zone has a maximum width of one times the diameter of the spudcan. The deflection of the platform's foundation increases with the penetration of spudcan. The smaller the density of soil layer is, the bigger the displacement of the foundation is. However, the maximum displacement at the top of the foun- dation changes little once the penetration depth is over a critical value. The bigger the diameter and the penetration depth of the spudcan are, the bigger the displacements of the foundation are.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122718404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Editorial Dynamic Responses of Bucket Foundations 桶形基础的动态响应
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003020018
Xiaobing Lu, Xuhui Zhang, Shuyun Wang
{"title":"Editorial Dynamic Responses of Bucket Foundations","authors":"Xiaobing Lu, Xuhui Zhang, Shuyun Wang","doi":"10.2174/1874835X01003020018","DOIUrl":"https://doi.org/10.2174/1874835X01003020018","url":null,"abstract":"","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134208361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies on Dynamic Character of Saturated Soft Clays through Cyclic Torsion Shear Tests 基于循环扭剪试验的饱和软黏土动力特性研究
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010093
Chi Li, Jianhua Wang, Zhenwen Liu
{"title":"Studies on Dynamic Character of Saturated Soft Clays through Cyclic Torsion Shear Tests","authors":"Chi Li, Jianhua Wang, Zhenwen Liu","doi":"10.2174/1874835X01003010093","DOIUrl":"https://doi.org/10.2174/1874835X01003010093","url":null,"abstract":"A large number of cyclic torsional shear tests on saturated soft clay under unconsolidated undrained condition have been carried out. The changing law between accumulative generalized shear strains vs. failure numbers has been analyzed and a cyclic shear strength curve has been received based on cyclic torsional shear tests. According to the test re- sults, the criterion of saturated soft clay is approved on plane. Further, the test results are in good accord with the pseudo-static elasto-plastic creep model, which based on the cyclic triaxial tests according to the theory of pseudo-static creep. Then, dynamic character of saturated soft clay is verified from test results. The reliable proof has been provided for understanding and using dynamic character of saturated soft clay with cyclic loads, at the same time the ground has been provided for using and popularizing pseudo-static elasto-plastic cyclic strength model and pseudo-static elasto-plastic cy- clic creep model.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121526104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental Study on the Responses of Bucket Foundations in Calcareous Sand under Vertical Dynamic Loading 竖向动力荷载作用下钙质砂土桶形基础响应试验研究
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010050
Xiaobing Lu, Li Wang, Zhongming Shi
{"title":"Experimental Study on the Responses of Bucket Foundations in Calcareous Sand under Vertical Dynamic Loading","authors":"Xiaobing Lu, Li Wang, Zhongming Shi","doi":"10.2174/1874835X01003010050","DOIUrl":"https://doi.org/10.2174/1874835X01003010050","url":null,"abstract":"Experiments to determine the vertical static bearing capacity are carried out first in laboratory which is taken as a reference for choosing the amplitudes of vertical dynamic loading. Then a series of experiments are carried out to study the influences of factors, such as the scales of bucket, the amplitude and frequency of loading, the density of soils etc.. According to the experimental results, the responses of bucket foundations in calcareous sand under vertical dynamic loadings are analyzed. It is shown that there exists a limited effected zone under vertical dynamic loading. The scale of this zone is about one times of the bucket's height. In this zone, the density of soil layer, the deformation and the pore pressure change obviously.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114943339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dimensionless Analysis of the Simulation of Bucket Foundations under Dynamic Load 动荷载作用下桶形基础模拟的无因次分析
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010056
Xuhui Zhang, Xiaobing Lu, Shuyun Wang
{"title":"Dimensionless Analysis of the Simulation of Bucket Foundations under Dynamic Load","authors":"Xuhui Zhang, Xiaobing Lu, Shuyun Wang","doi":"10.2174/1874835X01003010056","DOIUrl":"https://doi.org/10.2174/1874835X01003010056","url":null,"abstract":"Firstly, the main factors are obtained by use of dimensionless analysis. Secondly, the time scaling factors in centrifuge modeling of bucket foundations under dynamic load are analyzed based on dimensionless analysis and control- ling equation. A simplified method for dealing with the conflict of scaling factors of the inertial and the percolation in sand foundation is presented. The presented method is that the material for experiments is not changed while the effects are modified by perturbation method. Thirdly, the characteristic time of liquefaction state and the characteristic scale of affected zone are analyzed.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"188 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123352643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Stability Evaluation of a Quay Wall of Large Cylinders 大型圆柱体码头壁稳定性评价
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010069
Jian-Min Zhang, Jianhong Zhang, Gang Wang, Yang Chen
{"title":"Stability Evaluation of a Quay Wall of Large Cylinders","authors":"Jian-Min Zhang, Jianhong Zhang, Gang Wang, Yang Chen","doi":"10.2174/1874835X01003010069","DOIUrl":"https://doi.org/10.2174/1874835X01003010069","url":null,"abstract":"The stability of the quay wall incorporating large diameter cylinders is of great concern at the Yangshan Port, China, owing to severe marine environment. In this study, finite element analysis is carried out to evaluate the stability of a trial quay wall during construction. The single cylinder is examined in terms of turnover failure subjected to a five year design wave action. The case when the cylinder is empty is the critical situation during construction. Filling the cylinder right after the installation is an effective way to increase the stability. After the quay wall has been formed by joining the single cylinders, the safety against overturning is reevaluated. The factor of safety of the quay wall is assessed to be 1.5 under a fifty year design wave action.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128522181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response of the Bucket Foundation in Calcareous Sand under Horizontal Dynamic Load 水平动载作用下钙质砂中桶形基础的响应
The Open Ocean Engineering Journal Pub Date : 2010-02-03 DOI: 10.2174/1874835X01003010020
Li Wang, Xiaobing Lu, Zhongming Shi
{"title":"Response of the Bucket Foundation in Calcareous Sand under Horizontal Dynamic Load","authors":"Li Wang, Xiaobing Lu, Zhongming Shi","doi":"10.2174/1874835X01003010020","DOIUrl":"https://doi.org/10.2174/1874835X01003010020","url":null,"abstract":"Experiments to determine the horizontal static bearing capacity are carried out first. The static bearing capacity is a reference for choosing the amplitudes of dynamic load. Then a series of experiments under dynamic horizontal load are carried out in laboratory to study the influences of factors, such as the scales of bucket, the amplitude and frequency of load, the density of soils etc.. The responses of bucket foundations in calcareous sand under horizontal dynamic load are analyzed according to the experimental results. The displacements of bucket and sand layer are analyzed.","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115080826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Floating Cities on Ice Platform~!2008-06-22~!2009-09-17~!2010-01-06~! 2009-06-22 ~!2009-09-17~!2010-01-06~!
The Open Ocean Engineering Journal Pub Date : 2010-01-13 DOI: 10.2174/1874835X01003010001
A. Bolonkin
{"title":"Floating Cities on Ice Platform~!2008-06-22~!2009-09-17~!2010-01-06~!","authors":"A. Bolonkin","doi":"10.2174/1874835X01003010001","DOIUrl":"https://doi.org/10.2174/1874835X01003010001","url":null,"abstract":"","PeriodicalId":206173,"journal":{"name":"The Open Ocean Engineering Journal","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117051920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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