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Journal of the Soil Mechanics and Foundations Division最新文献

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Dynamic Strip Load on Elastic-Plastic Soil 弹塑性土的动条形荷载
Journal of the Soil Mechanics and Foundations Division Pub Date : 1970-03-01 DOI: 10.1061/JSFEAQ.0001396
K. Høeg, H. Rao
{"title":"Dynamic Strip Load on Elastic-Plastic Soil","authors":"K. Høeg, H. Rao","doi":"10.1061/JSFEAQ.0001396","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001396","url":null,"abstract":"A numerical procedure is applied to study the transient response of a footing on an elastic-perfectly plastic medium. The failure criterion and constitutive relationship used are thought to be realistic for a saturated clay. The analysis gives streses, displacements and the development and propagation of the plastically yielded zone beneath the footing. The effects of several parameters are outlined. A nondimensional diagram is presented to show the influence of pulse intensity and duration on peak response. The computed dynamic peak stress-peak displacement curve is compared to the corresponding static curve and to experimental results. From the computations it is possible to separate the effects of inertia and soil strain-rate effect on the dynamic response. In practical situations, the inertia of the soil reduces the footing displacements only for very large peak applied pressures, and if the duration of the load pulse is extremely short.","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1970-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124820288","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
DYNAMIC PRESTRAINING OF DRY SAND 干砂的动力约束
Journal of the Soil Mechanics and Foundations Division Pub Date : 1970-03-01 DOI: 10.1061/JSFEAQ.0001398
V. Drnevich, F. E. Richart
{"title":"DYNAMIC PRESTRAINING OF DRY SAND","authors":"V. Drnevich, F. E. Richart","doi":"10.1061/JSFEAQ.0001398","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001398","url":null,"abstract":"Dynamic prestraining is the application of vibratory shearing strains to soil that is acted upon by static confining pressure. Tests on hollow, cylindrical Ottawa sand specimens, in a torsional resonant column apparatus, demonstrate that material behavior may be significantly changed by prestraining. In general, prestraining at shearing strains between 0.001% and 0.01% can double the dynamic shear modulus and damping, strikingly reduce the static compressibility, and cause fatigue failures. Density changes cannot account for this. No changes occur for prestraining at shearing strains less than 0.001%. The effects are dependent on confining pressure, void ratio, shearing strain amplitude, and cycles of vibration. Millions of cycles may be necessary to produce these changes. Test results indicate that density or void ratio measurements may not reveal the total change in these parameters imparted to dry sands by vibratory loading. This is important in determining the dynamic response of foundations and the compaction improvement of sand soils.","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1970-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132214386","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: 117
Problems in Design and Installation of Offshore Piles 海上桩的设计与安装问题
Journal of the Soil Mechanics and Foundations Division Pub Date : 1969-11-01 DOI: 10.1061/JSFEAQ.0001353
B. Mcclelland, J. A. Focht, W. Emrich
{"title":"Problems in Design and Installation of Offshore Piles","authors":"B. Mcclelland, J. A. Focht, W. Emrich","doi":"10.1061/JSFEAQ.0001353","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001353","url":null,"abstract":"Offshore structures in water up to 385-ft deep require long pipe piles with ultimate compressive and tension capacities up to 3,500 and 2,000 tons, respectively. Static analysis is the most reliable and widely used method for predetermining pile penetrations and predicting pile capacity. Significant design uncertainties result, however, from dependence on empirical data derived from short, lightly loaded piles driven and tested on land. Pile loads have increased faster than the driving capability of available pile hammers, which include some with rated energy of 180,000 ft-lb. Larger hammers are needed to achieve a higher percentage of successful installations by driving alone. Wave-equation analysis may aid selection of optimum pile wall thickness to improve drivability. Pile installation aids, including jetting, drilling, and grouting, are useful but increase design uncertainty. Four case histories illustrate the problem of both design and installation of offshore piles.","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126522871","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: 18
Closure to “The Behavior of Foundations During Construction” 对“施工过程中地基的行为”的总结
Journal of the Soil Mechanics and Foundations Division Pub Date : 1969-09-01 DOI: 10.1061/JSFEAQ.0001337
T. Lambe
{"title":"Closure to “The Behavior of Foundations During Construction”","authors":"T. Lambe","doi":"10.1061/JSFEAQ.0001337","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001337","url":null,"abstract":"","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116468617","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
Closure of "Stress-Controlled Apparatus for Triaxial Testing" 关闭“应力控制三轴试验装置”
Journal of the Soil Mechanics and Foundations Division Pub Date : 1969-09-01 DOI: 10.1061/JSFEAQ.0001330
A. Saada
{"title":"Closure of \"Stress-Controlled Apparatus for Triaxial Testing\"","authors":"A. Saada","doi":"10.1061/JSFEAQ.0001330","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001330","url":null,"abstract":"","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131617033","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
Sand Densification of Heavy Vibratory Compactor 重型振动压实机砂的致密化
Journal of the Soil Mechanics and Foundations Division Pub Date : 1969-07-01 DOI: 10.1061/JSFEAQ.0001319
D. Moorhouse, G. Baker
{"title":"Sand Densification of Heavy Vibratory Compactor","authors":"D. Moorhouse, G. Baker","doi":"10.1061/JSFEAQ.0001319","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001319","url":null,"abstract":"","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"244 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114289786","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
NONCIRCULAR SLIDING SURFACES 非圆滑动面
Journal of the Soil Mechanics and Foundations Division Pub Date : 1969-05-01 DOI: 10.1061/JSFEAQ.0001287
J. M. Bell
{"title":"NONCIRCULAR SLIDING SURFACES","authors":"J. M. Bell","doi":"10.1061/JSFEAQ.0001287","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001287","url":null,"abstract":"Previous analyses have failed to analytically determine the critical location of general slip surfaces in finite homogeneous earth slopes or to assess the possible importance of shape in computing factors of safety. A numerical procedure is developed to minimize the factor of safety with respect to the shape of the sliding body. The results obtained, except for a few cases, generally confirm the reliability of established procedures using a circular sliding surface. Critical shapes are presented and new data are compared with that obtained from the conventional slip circle analysis. The results are expressed in concise dimensionless form.","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115729456","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
Discussion of “Effects of Loading on Triaxial Test Results” “载荷对三轴试验结果的影响”的讨论
Journal of the Soil Mechanics and Foundations Division Pub Date : 1969-03-01 DOI: 10.1061/JSFEAQ.0001276
O. J. Uzomaka
{"title":"Discussion of “Effects of Loading on Triaxial Test Results”","authors":"O. J. Uzomaka","doi":"10.1061/JSFEAQ.0001276","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001276","url":null,"abstract":"","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133240674","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
Closure to “Stress-Dilatancy Performance of Feldspar” 对“长石的应力-剪胀性能”的总结
Journal of the Soil Mechanics and Foundations Division Pub Date : 1967-09-01 DOI: 10.1061/JSFEAQ.0001027
I. Lee
{"title":"Closure to “Stress-Dilatancy Performance of Feldspar”","authors":"I. Lee","doi":"10.1061/JSFEAQ.0001027","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001027","url":null,"abstract":"","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1967-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122730269","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
Summery: Conference on Stability and Performance of Slopes and Embankments 摘要:边坡和路堤稳定性和性能会议
Journal of the Soil Mechanics and Foundations Division Pub Date : 1967-07-01 DOI: 10.1061/JSFEAQ.0001010
R. Woodward
{"title":"Summery: Conference on Stability and Performance of Slopes and Embankments","authors":"R. Woodward","doi":"10.1061/JSFEAQ.0001010","DOIUrl":"https://doi.org/10.1061/JSFEAQ.0001010","url":null,"abstract":"The August, 1966, Specialty Conference is summarized briefly. The distinction between stability analysis and dam design is restated. The empirical nature of the science of soil mechanics has been noted and the importance of slope measurements and their evaluation is stressed. It has been emphasized that the design of earth and rock dams is a continuing process throughout construction. Computers can serve as powerful tools when used properly.","PeriodicalId":372915,"journal":{"name":"Journal of the Soil Mechanics and Foundations Division","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1967-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134479030","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
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