Yuanchao Zhang, Yujing Jiang, Changsheng Wang, M. Chen, Q. Yin
The instability of rock slopes and underground engineerings is usually caused by the shear failure of non-persistent joints. Rock bolt, as the main support method, has an important influence on the...
{"title":"Shear of bolted non-persistent joints: role of bolting conditions and joint persistency","authors":"Yuanchao Zhang, Yujing Jiang, Changsheng Wang, M. Chen, Q. Yin","doi":"10.1680/jgele.20.00030","DOIUrl":"https://doi.org/10.1680/jgele.20.00030","url":null,"abstract":"The instability of rock slopes and underground engineerings is usually caused by the shear failure of non-persistent joints. Rock bolt, as the main support method, has an important influence on the...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"3 1","pages":"1-22"},"PeriodicalIF":2.1,"publicationDate":"2020-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78702335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The present research work aims to determine the stability of a rectangular tunnel excavated in rock masses obeying Hoek-Brown yield criteria under steady-state groundwater flow using lower bound li...
{"title":"Stability of rectangular tunnel in Hoek–Brown rocks under steady-state groundwater flow","authors":"P. Bhattacharya, Puja Dutta","doi":"10.1680/jgele.20.00043","DOIUrl":"https://doi.org/10.1680/jgele.20.00043","url":null,"abstract":"The present research work aims to determine the stability of a rectangular tunnel excavated in rock masses obeying Hoek-Brown yield criteria under steady-state groundwater flow using lower bound li...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"14 1","pages":"1-24"},"PeriodicalIF":2.1,"publicationDate":"2020-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78972580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A number of recent tailings storage facility (TSF) failures has been indicated through post-failure investigations to have been triggered in tailings that were under drained conditions up to the in...
{"title":"On the effect of anisotropy on drained static liquefaction triggering","authors":"D. Reid","doi":"10.1680/jgele.19.00042","DOIUrl":"https://doi.org/10.1680/jgele.19.00042","url":null,"abstract":"A number of recent tailings storage facility (TSF) failures has been indicated through post-failure investigations to have been triggered in tailings that were under drained conditions up to the in...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"25 1","pages":"393-397"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82072160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A new, alternative approach in a triaxial set-up to fully determine small-strain cross-anisotropic elastic parameters is proposed, which requires neither radial strain sensors nor a radial loading ...
{"title":"An alternative method in triaxial tests to obtain cross-anisotropic elastic parameters","authors":"S. Nishimura, Fernnie Magalona","doi":"10.1680/jgele.20.00031","DOIUrl":"https://doi.org/10.1680/jgele.20.00031","url":null,"abstract":"A new, alternative approach in a triaxial set-up to fully determine small-strain cross-anisotropic elastic parameters is proposed, which requires neither radial strain sensors nor a radial loading ...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"12 1","pages":"468-477"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88865887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Previous studies indicate that particle shape plays an important role in the hydraulic conductivity (k) of granular materials, often represented through the Kozeny–Carman (KC) concept. Several rece...
{"title":"The role of particle shape on hydraulic conductivity of granular soils captured through Kozeny–Carman approach","authors":"T. T. Nguyen, B. Indraratna","doi":"10.1680/jgele.20.00032","DOIUrl":"https://doi.org/10.1680/jgele.20.00032","url":null,"abstract":"Previous studies indicate that particle shape plays an important role in the hydraulic conductivity (k) of granular materials, often represented through the Kozeny–Carman (KC) concept. Several rece...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"27 1","pages":"398-403"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85498790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Increasing climatic stresses accelerate the degradation of highly organic soils, like peat, by increasing their drying rate above the water table and their decomposition rate under water. Recent ex...
{"title":"Gas exsolution and gas invasion in peat: towards a comprehensive modelling framework","authors":"H. F. Zhao, S. Muraro, C. Jommi","doi":"10.1680/jgele.20.00014","DOIUrl":"https://doi.org/10.1680/jgele.20.00014","url":null,"abstract":"Increasing climatic stresses accelerate the degradation of highly organic soils, like peat, by increasing their drying rate above the water table and their decomposition rate under water. Recent ex...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"102 1","pages":"461-467"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80618170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The efficiency of shallow ground heat exchangers is controlled by the thermal conductivity of the soil they are placed in, which is predominantly a function of soil type, mineralogy, density and wa...
浅层热交换器的效率受其所处土壤的导热系数控制,这主要是土壤类型、矿物学、密度和温度的函数。
{"title":"Estimating the full range of thermal conductivity dryout curve","authors":"A. Yildiz","doi":"10.1680/jgele.20.00055","DOIUrl":"https://doi.org/10.1680/jgele.20.00055","url":null,"abstract":"The efficiency of shallow ground heat exchangers is controlled by the thermal conductivity of the soil they are placed in, which is predominantly a function of soil type, mineralogy, density and wa...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"7 1","pages":"419-423"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84748713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This study examines the role of boundary friction in promoting heterogeneous compaction in soft rock specimens loaded at high confining pressure outside the domain of compaction localisation. An el...
本研究探讨了边界摩擦在促进压实局部域外高围压加载软岩样的非均质压实中的作用。厄尔……
{"title":"Simulation of emergent compaction banding fronts caused by frictional boundaries","authors":"G. Shahin, G. Buscarnera","doi":"10.1680/jgele.20.00021","DOIUrl":"https://doi.org/10.1680/jgele.20.00021","url":null,"abstract":"This study examines the role of boundary friction in promoting heterogeneous compaction in soft rock specimens loaded at high confining pressure outside the domain of compaction localisation. An el...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"1 1","pages":"436-444"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85693728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Consoli, R. B. Born, R. E. Cordeiro, A. T. Neto, C. J. Moncaleano
The lateral cyclic loaded piles' behaviour in bonded residual soil is still poorly understood by classical geotechnics. Currently used models reproduce the behaviour of residual soils based on thos...
{"title":"Effects of cross-section shape on cyclic lateral response of steel piles in residual soil","authors":"N. Consoli, R. B. Born, R. E. Cordeiro, A. T. Neto, C. J. Moncaleano","doi":"10.1680/jgele.19.00253","DOIUrl":"https://doi.org/10.1680/jgele.19.00253","url":null,"abstract":"The lateral cyclic loaded piles' behaviour in bonded residual soil is still poorly understood by classical geotechnics. Currently used models reproduce the behaviour of residual soils based on thos...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"468 1","pages":"445-453"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78977574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Grimstad, Davood Dadrasajirlou, S. A. Ghoreishian Amiri
This paper addresses the derivation of creep models using the framework of hyper-viscoplasticity. It demonstrates that the formulations widely used already can easily be obtained using the hyper-vi...
{"title":"Modelling creep in clay using the framework of hyper-viscoplasticity","authors":"G. Grimstad, Davood Dadrasajirlou, S. A. Ghoreishian Amiri","doi":"10.1680/jgele.20.00004","DOIUrl":"https://doi.org/10.1680/jgele.20.00004","url":null,"abstract":"This paper addresses the derivation of creep models using the framework of hyper-viscoplasticity. It demonstrates that the formulations widely used already can easily be obtained using the hyper-vi...","PeriodicalId":48920,"journal":{"name":"Geotechnique Letters","volume":"6 1","pages":"404-408"},"PeriodicalIF":2.1,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84745356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}