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A comprehensive geotechnical and geo...

Schaefer, Jeffrey Alan,

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A comprehensive geotechnical and geological investigation of high horizontal stress in shallow soils of the upper Mississippi Embayment and its influence on pile capacity /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	A comprehensive geotechnical and geological investigation of high horizontal stress in shallow soils of the upper Mississippi Embayment and its influence on pile capacity // Jeffrey Alan Schaefer.
作者:	Schaefer, Jeffrey Alan,
面頁冊數:	1 electronic resource (149 pages)
附註:	Source: Dissertations Abstracts International, Volume: 62-08, Section: B.
Contained By:	Dissertations Abstracts International62-08B.
標題:	Civil engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9980843
ISBN:	9780599870772

A comprehensive geotechnical and geological investigation of high horizontal stress in shallow soils of the upper Mississippi Embayment and its influence on pile capacity /
Schaefer, Jeffrey Alan,

A comprehensive geotechnical and geological investigation of high horizontal stress in shallow soils of the upper Mississippi Embayment and its influence on pile capacity /Jeffrey Alan Schaefer. - 1 electronic resource (149 pages)

Source: Dissertations Abstracts International, Volume: 62-08, Section: B.

In conjunction with the Olmsted Locks and Dam project, one of the largest civil engineering projects currently under construction in the United States, a comprehensive pile testing program was performed. From these pile tests, a soil stratum known as the McNairy formation was discovered to have high in-situ horizontal stress. The study area is located in the geologically and seismotectonically complex area of the upper Mississippi Embayment. The backcalculation of K0, the ratio of horizontal effective stress to vertical effective stress (σ'h/σ' v), from static pile load tests defined the magnitude of horizontal effective stress in the range from 2 to greater than 10. The K0 profile was then verified by measurements with a self-boring pressuremeter. This study presents a new method for the estimation of K0 that utilizes shear wave velocity measurements made in the field by cross-hole testing and laboratory measurements using bender elements. The method was successful, showing good agreement with K0 profiles determined from the pile load tests and self-boring pressuremeter. The source of the high in-situ stress is thought to be of tectonic origin and significant evidence to support this theory is presented.

English

ISBN: 9780599870772Subjects--Topical Terms:

860360
Civil engineering.
Subjects--Index Terms:

Horizontal stress

A comprehensive geotechnical and geological investigation of high horizontal stress in shallow soils of the upper Mississippi Embayment and its influence on pile capacity /
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245 1 2 $a A comprehensive geotechnical and geological investigation of high horizontal stress in shallow soils of the upper Mississippi Embayment and its influence on pile capacity / $c Jeffrey Alan Schaefer.
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300 $a 1 electronic resource (149 pages)
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500 $a Source: Dissertations Abstracts International, Volume: 62-08, Section: B.
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502 $b Ph.D. $c University of Kentucky $d 2000.
520 $a In conjunction with the Olmsted Locks and Dam project, one of the largest civil engineering projects currently under construction in the United States, a comprehensive pile testing program was performed. From these pile tests, a soil stratum known as the McNairy formation was discovered to have high in-situ horizontal stress. The study area is located in the geologically and seismotectonically complex area of the upper Mississippi Embayment. The backcalculation of K0, the ratio of horizontal effective stress to vertical effective stress (σ'h/σ' v), from static pile load tests defined the magnitude of horizontal effective stress in the range from 2 to greater than 10. The K0 profile was then verified by measurements with a self-boring pressuremeter. This study presents a new method for the estimation of K0 that utilizes shear wave velocity measurements made in the field by cross-hole testing and laboratory measurements using bender elements. The method was successful, showing good agreement with K0 profiles determined from the pile load tests and self-boring pressuremeter. The source of the high in-situ stress is thought to be of tectonic origin and significant evidence to support this theory is presented.
546 $a English
590 $a School code: 0102
650 4 $a Civil engineering. $3 860360
650 4 $a Geotechnology. $3 1018558
650 4 $a Geology. $3 516570
653 $a Horizontal stress
653 $a Kentucky
653 $a McNairy formation
653 $a Mississippi Embayment
653 $a Missouri
653 $a Pile capacity
653 $a Seismotectonic stress
653 $a Soils
690 $a 0543
690 $a 0428
690 $a 0372
710 2 $a University of Kentucky. $e degree granting institution. $3 3759194
720 1 $a Zeng, Xiangwu $e degree supervisor.
773 0 $t Dissertations Abstracts International $g 62-08B.
790 $a 0102
791 $a Ph.D.
792 $a 2000
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9980843