Development of a Design Technology for Ground Support for Tunnels in Soil: Vol. I. Time Dependent Response Due to Consolidation in Clays

Johnston, Paul R.; Clough, Wayne; Stanford University

doi:10.21949/1526715

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Development of a Design Technology for Ground Support for Tunnels in Soil: Vol. I. Time Dependent Response Due to Consolidation in Clays

1983-02-01
By Johnston, Paul R. ; Clough, Wayne

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English

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Alternative Title:

Development of a Design Technology for Ground Support for Tunnels in Soil: Vol. I. Time-Dependent Response Due to Consolidation in Clays
Creators:

Johnston, Paul R. ; Clough, Wayne

Johnston, Paul R. ; Clough, Wayne Less -
Corporate Creators:

Stanford University
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Urban Mass Transportation Administration

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Urban Mass Transportation Administration Less -
Subject/TRT Terms:

[+]

Field Studies Finite Element Method Ground Settlement Load Factor Mathematical Analysis Silts Soil Mechanics Soils Soil Stabilization Time Dependence Tunneling Tunnel Lining Tunnels
Publication/ Report Number:

UMTA-MA-06-0100-82-1 ; DOT-TSC-UMTA-82-54,1

UMTA-MA-06-0100-82-1 ; DOT-TSC-UMTA-82-54,1 Less -
DOI:

https://doi.org/10.21949/1526715
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Technical report; Aug 1979-Jan 1982
Corporate Publisher:

United States. Urban Mass Transportation Administration
Abstract:

The report presents an investigation of the phenomenon of tunnel related movements, due to consolidation in clayey or silty soils, as a result of dissipation of excess pore pressures induced during construction. A review of field data showing time dependent movements and liner load changes is provided and a finite element procedure is described to simulate this behaviour and parametric study results are discussed. It is shown that consolidation related effects lead to long term ground and liner movements and changes in liner loading patterns. Consolidation influences are greatest in cases where flexible liners or shields with large tail voids have been used in construction as this leads to greater shearing of the soil and hence excess pore pressure. Advanced pressurised face shields are shown to be capable of reducing long term consolidation movements.
Format:

PDF
Funding:

DOT-TSC-1726 ; UM248/R2650

DOT-TSC-1726 ; UM248/R2650 Less -
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:95e74f214882543e9ac3c0ec0b780643d3eeeefbfd63999aaa7b8883608b23b3
Download URL:

https://rosap.ntl.bts.gov/view/dot/10368/dot_10368_DS1.pdf
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Development of a Design Technology for Ground Support for Tunnels in Soil: Vol. I. Time Dependent Response Due to Consolidation in Clays

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