Evaluation of Road Construction by Surcharge Over Muskeg: Fid-Bau Portal

Fachinformationsdienst BAUdigital

A platform for research: civil engineering, architecture and urbanism

Evaluation of Road Construction by Surcharge Over Muskeg

E. G. Johnson

In 1974 the Alaska Department of Transportation and Public Facilities constructed the Kenai River Crossing Project over muskeg and marsh deposits using stage construction and a static surcharge. Copious settlement and pore pressure data were taken during construction as this was the first time this technique was used by the State of Alaska. This report evaluates the embankment settlement calculations by comparing them to the measured field settlements. It was found that the calculated settlements, using the Compression Index, over-estimated the actual settlements by a factor of two. Recalculations were made using the ratio of the compression measured in consolidation testing to the original sample thickness. This method gave a much better agreement with measured field settlements.

Access

Check availability in my library

Page navigation

Document information

Export, share and cite

Evaluation of Road Construction by Surcharge Over Muskeg

E. G. Johnson

In 1974 the Alaska Department of Transportation and Public Facilities constructed the Kenai River Crossing Project over muskeg and marsh deposits using stage construction and a static surcharge. Copious settlement and pore pressure data were taken during construction as this was the first time this technique was used by the State of Alaska. This report evaluates the embankment settlement calculations by comparing them to the measured field settlements. It was found that the calculated settlements, using the Compression Index, over-estimated the actual settlements by a factor of two. Recalculations were made using the ratio of the compression measured in consolidation testing to the original sample thickness. This method gave a much better agreement with measured field settlements.

Evaluation of Road Construction by Surcharge Over Muskeg

E. G. Johnson

In 1974 the Alaska Department of Transportation and Public Facilities constructed the Kenai River Crossing Project over muskeg and marsh deposits using stage construction and a static surcharge. Copious settlement and pore pressure data were taken during construction as this was the first time this technique was used by the State of Alaska. This report evaluates the embankment settlement calculations by comparing them to the measured field settlements. It was found that the calculated settlements, using the Compression Index, over-estimated the actual settlements by a factor of two. Recalculations were made using the ratio of the compression measured in consolidation testing to the original sample thickness. This method gave a much better agreement with measured field settlements.

Access

Check availability in my library

Page navigation

Document information

Export, share and cite

Document information

Title:

Evaluation of Road Construction by Surcharge Over Muskeg

Contributors:

E. G. Johnson (author)

Publication date:

1982

Size:

58 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Highway Engineering , Roads , Construction , Embankments , Compressibility , Consolidation , Soil mechanics , Evaluation , Alaska , Kenai River Crossing project

Similar titles

Blasting muskeg for road construction

Michell, T.H. | Engineering Index Backfile | 1928

Blasting muskeg for road construction

Michell, T.H. | Engineering Index Backfile | 1927

Engineering Index Backfile | 1947

Winter roads over Muskeg

Thomson, J.G. | Engineering Index Backfile | 1957

Construction aspects of service road built on corduroy over muskeg

Enright, C.T. | Engineering Index Backfile | 1964