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Analysis of settlements caused by th...

Castro Echevarria, Alba J.

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Analysis of settlements caused by the underground construction of the Tren Urbano using the New Austrian Tunneling Method (Puerto Rico).

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Analysis of settlements caused by the underground construction of the Tren Urbano using the New Austrian Tunneling Method (Puerto Rico)./
Author:	Castro Echevarria, Alba J.
Description:	123 p.
Notes:	Adviser: Juan B. Bernal Vera.
Contained By:	Masters Abstracts International41-03.
Subject:	Engineering, Civil. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1411138
ISBN:	0493858849

Analysis of settlements caused by the underground construction of the Tren Urbano using the New Austrian Tunneling Method (Puerto Rico).
Castro Echevarria, Alba J.

Analysis of settlements caused by the underground construction of the Tren Urbano using the New Austrian Tunneling Method (Puerto Rico). - 123 p.

Adviser: Juan B. Bernal Vera.

Thesis (M.E.)--University of Puerto Rico, Mayaguez (Puerto Rico), 2002.

The New Austrian Tunnelling Method (NATM) was used in the construction of a short segment of tunnels in the underground section of the Tren Urbano, at Río Piedras. The section consists of four tunnels that crossed under two historic buildings. The tunnels were constructed through sandy clays, silty clays and sands. A geotechnical monitoring program was implemented in order to monitor the surface and subsurface ground movements. Compensation grouting was used between the tunnels and the overlying structures to reduce settlements and distortions.

ISBN: 0493858849Subjects--Topical Terms:

783781
Engineering, Civil.

Analysis of settlements caused by the underground construction of the Tren Urbano using the New Austrian Tunneling Method (Puerto Rico).
LDR:02209nam 2200301 a 45 001 936108
005 20110510
008 110510s2002 eng d
020 $a 0493858849
035 $a (UnM)AAI1411138
035 $a AAI1411138
040 $a UnM $c UnM
100 1 $a Castro Echevarria, Alba J. $3 1259803
245 1 0 $a Analysis of settlements caused by the underground construction of the Tren Urbano using the New Austrian Tunneling Method (Puerto Rico).
300 $a 123 p.
500 $a Adviser: Juan B. Bernal Vera.
500 $a Source: Masters Abstracts International, Volume: 41-03, page: 0858.
502 $a Thesis (M.E.)--University of Puerto Rico, Mayaguez (Puerto Rico), 2002.
520 $a The New Austrian Tunnelling Method (NATM) was used in the construction of a short segment of tunnels in the underground section of the Tren Urbano, at Río Piedras. The section consists of four tunnels that crossed under two historic buildings. The tunnels were constructed through sandy clays, silty clays and sands. A geotechnical monitoring program was implemented in order to monitor the surface and subsurface ground movements. Compensation grouting was used between the tunnels and the overlying structures to reduce settlements and distortions.
520 $a The data of the instruments was analyzed and related to the construction process. Some cross-sections were made to illustrate the geometry of the system, the tunnels location, the geology of the area and the maximum settlement profile. The soil movements experienced during the construction were compared with the settlement predictions.
520 $a The predicted settlements were higher than the actual, especially for the historic buildings. The movements were higher in the entrance of the tunnels, an area that was outside the grouting zone. The NATM proved to be successful in the preservation of the buildings, and this could not be achieved without the grouting injection plan.
590 $a School code: 0553.
650 4 $a Engineering, Civil. $3 783781
650 4 $a Geotechnology. $3 1018558
690 $a 0428
690 $a 0543
710 2 0 $a University of Puerto Rico, Mayaguez (Puerto Rico). $3 1017811
773 0 $t Masters Abstracts International $g 41-03.
790 $a 0553
790 1 0 $a Bernal Vera, Juan B., $e advisor
791 $a M.E.
792 $a 2002
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1411138