Proceedings of the Institution of Civil Engineers-Ground Improvement最新文献

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Analysis of the coupled electro-osmotic and mechanical consolidation in clayey soils 粘性土的电渗透与力学耦合固结分析
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00010
S. Gargano, S. Lirer, A. Flora
{"title":"Analysis of the coupled electro-osmotic and mechanical consolidation in clayey soils","authors":"S. Gargano, S. Lirer, A. Flora","doi":"10.1680/JGRIM.18.00010","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00010","url":null,"abstract":"Electrokinetic (EK) treatment is a possible attractive way to speed up the consolidation of fine-grained dredged sediments. The effectiveness of this method depends on the complex physical–chemical interaction between soil particles, interstitial fluid and pollutants. This paper presents the experimental laboratory results obtained by inducing mechanical and EK consolidation in a fine-grained dredged material. Then, a finite-difference numerical code implemented by the authors able to solve the large and small strain consolidation equations (Lassec1), including the electro-osmotic flow, is described along with the theoretical simplifications adopted and the calibration procedure required. The experimental results have been numerically simulated, showing the ability of Lassec1 to reproduce the coupled mechanical and electrical consolidation processes, highlighting that under very low stress levels it is necessary to take into account the highly non-linear soil behaviour, and thus the large strain theory is...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90553955","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: 11
Centrifuge modelling on soft soil subjected to underwater vacuum preloading 水下真空预压软土的离心模拟
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00011
Liwen Hu, Yongping Wang, Zhijun Liu
{"title":"Centrifuge modelling on soft soil subjected to underwater vacuum preloading","authors":"Liwen Hu, Yongping Wang, Zhijun Liu","doi":"10.1680/JGRIM.18.00011","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00011","url":null,"abstract":"The performance of soft soil subjected to underwater vacuum preloading was explored using geotechnical centrifuge model tests at different g-levels. A vacuum generator system was developed in a cen...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78977403","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: 5
Effect of fill properties on load−settlement behaviour of granular columns in marine clays 填土特性对海相粘土颗粒柱荷载沉降行为的影响
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00077
B. Phanikumar, R. Babu, S. N. Rao
{"title":"Effect of fill properties on load−settlement behaviour of granular columns in marine clays","authors":"B. Phanikumar, R. Babu, S. N. Rao","doi":"10.1680/JGRIM.18.00077","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00077","url":null,"abstract":"This paper describes an experimental investigation carried out to study the load−settlement behaviour and bulge characteristics of granular columns in a soft marine clay bed. The effects of gradati...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80069365","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
Cement-improved lake bed sedimentary soil for road construction 公路用水泥改良湖床沉积土
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00076
T. Chompoorat, Thacchai Maikhun, S. Likitlersuang
{"title":"Cement-improved lake bed sedimentary soil for road construction","authors":"T. Chompoorat, Thacchai Maikhun, S. Likitlersuang","doi":"10.1680/JGRIM.18.00076","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00076","url":null,"abstract":"Phayao Lake, the largest lake in the north of Thailand, supplies water for consumption and irrigation in the region. Currently, the lake is faced with serious problems as it is becoming shallow wit...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75394492","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: 38
Vibration propagation of subgrade built on treated dredged fill 处理过的疏浚填料地基的振动传播
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00018
G. Ding, Fan Sun, Pengyan Dai
{"title":"Vibration propagation of subgrade built on treated dredged fill","authors":"G. Ding, Fan Sun, Pengyan Dai","doi":"10.1680/JGRIM.18.00018","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00018","url":null,"abstract":"Saturated soft clay subgrade in Wenzhou was reinforced by a combination of vacuum preloading and surcharge preloading using different loading materials. Using the principle of similarity, embankmen...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80359462","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
One-dimensional non-linear consolidation theory of soft ground coupled with thermal effect 考虑热效应的软土地基一维非线性固结理论
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00012
Liu Quan, Yue-bao Deng, Fei Chen
{"title":"One-dimensional non-linear consolidation theory of soft ground coupled with thermal effect","authors":"Liu Quan, Yue-bao Deng, Fei Chen","doi":"10.1680/JGRIM.18.00012","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00012","url":null,"abstract":"Temperature has an important effect on the consolidation of soft soil. Considering current experimental data, a compression model for soft soil considering the influence of temperature is discussed...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86906056","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
Behaviour of a capping layer reinforced with recycled tyres 用回收轮胎加固的封盖层的性能
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-22 DOI: 10.1680/JGRIM.18.00030
Qideng Sun, B. Indraratna, A. Heitor
{"title":"Behaviour of a capping layer reinforced with recycled tyres","authors":"Qideng Sun, B. Indraratna, A. Heitor","doi":"10.1680/JGRIM.18.00030","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00030","url":null,"abstract":"In this paper, a sustainable approach for reducing lateral displacement in a track by increasing the confining pressure in the track substructure is demonstrated by placing a cellular rubber (tyre)...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88474104","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
Stabilisation of Urmia Lake peat using natural and artificial pozzolans 利用天然和人工火山灰稳定乌尔米亚湖泥炭
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-07-09 DOI: 10.1680/JGRIM.19.00024
H. Bahadori, A. Hasheminezhad, Saeid Mohamadi asl
{"title":"Stabilisation of Urmia Lake peat using natural and artificial pozzolans","authors":"H. Bahadori, A. Hasheminezhad, Saeid Mohamadi asl","doi":"10.1680/JGRIM.19.00024","DOIUrl":"https://doi.org/10.1680/JGRIM.19.00024","url":null,"abstract":"Peat generally found in thick layers in limited areas such as Urmia Lake, Iran has low shear strength and high compressive deformation. Therefore, an appropriate soil improvement method is required...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84193695","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: 10
Small-scale laboratory test on expansive soil stabilized by CCR-Fly ash columns ccr -粉煤灰柱稳定膨胀土的室内小试研究
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-04-29 DOI: 10.1680/JGRIM.18.00002
F. Darikandeh, B. Viswanadham, M. Arabani
{"title":"Small-scale laboratory test on expansive soil stabilized by CCR-Fly ash columns","authors":"F. Darikandeh, B. Viswanadham, M. Arabani","doi":"10.1680/JGRIM.18.00002","DOIUrl":"https://doi.org/10.1680/JGRIM.18.00002","url":null,"abstract":"Volumetric changes in expansive soils due to seasonal moisture changes can seriously damage foundations. In the small-scale laboratory study reported in this paper, the effect of inserting columns ...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88106150","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
Impact of model scale on the results of dynamic compaction adjacent to the sandy slopes 模型尺度对砂质边坡附近强夯结果的影响
IF 1.2
Proceedings of the Institution of Civil Engineers-Ground Improvement Pub Date : 2019-04-17 DOI: 10.1680/JGRIM.17.00022
Ali Mirzamomen, A. Hamidi, A. Ghanbari
{"title":"Impact of model scale on the results of dynamic compaction adjacent to the sandy slopes","authors":"Ali Mirzamomen, A. Hamidi, A. Ghanbari","doi":"10.1680/JGRIM.17.00022","DOIUrl":"https://doi.org/10.1680/JGRIM.17.00022","url":null,"abstract":"In this paper, an experimental study has been carried out to investigate the effect of different parameters on the results of dynamic compaction adjacent to slopes. One hundred and eight sloped mod...","PeriodicalId":51705,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Ground Improvement","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2019-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73319227","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
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