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Effectiveness of rock fracture seali...

Ran, Chongwei.

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Effectiveness of rock fracture sealing with bentonite grouting.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Effectiveness of rock fracture sealing with bentonite grouting./
Author:	Ran, Chongwei.
Description:	172 p.
Notes:	Source: Masters Abstracts International, Volume: 29-01, page: 0143.
Contained By:	Masters Abstracts International29-01.
Subject:	Geotechnology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=1341495

Effectiveness of rock fracture sealing with bentonite grouting.
Ran, Chongwei.

Effectiveness of rock fracture sealing with bentonite grouting. - 172 p.

Source: Masters Abstracts International, Volume: 29-01, page: 0143.

Thesis (M.S.)--The University of Arizona, 1990.

A new fracture grouting technology has been developed to meet the requirements of high-level nuclear waste isolation.Subjects--Topical Terms:

1018558
Geotechnology.

Effectiveness of rock fracture sealing with bentonite grouting.
LDR:01906nmm 2200301 4500 001 1856718
005 20040728111041.5
008 130614s1990 eng d
035 $a (UnM)AAI1341495
035 $a AAI1341495
040 $a UnM $c UnM
100 1 $a Ran, Chongwei. $3 1944440
245 1 0 $a Effectiveness of rock fracture sealing with bentonite grouting.
300 $a 172 p.
500 $a Source: Masters Abstracts International, Volume: 29-01, page: 0143.
500 $a Director: Jaak J. K. Daemen.
502 $a Thesis (M.S.)--The University of Arizona, 1990.
520 $a A new fracture grouting technology has been developed to meet the requirements of high-level nuclear waste isolation.
520 $a Bentonite fracture grouting tests are performed on a fracture model, made of circular acrylic plates with outer diameter of 30 cm and a central injection hole of 2.5 cm diameter. Suspensions with bentonite concentration of 9% to 31% have been injected into fractures with apertures of 9 to 39 microns under injection pressures less than 0.5 MPa. After grouting, the hydraulic conductivities of the fractures are reduced from the 10 $\ sp{-1} $ to the 10 $\ sp{-5} $ cm/s level. When the suspension is thin enough and the fracture is very small, channeling develops in the grouted fractures. Preliminary results indicate that the permeability of a grouted fracture does not increase with time in 125 days.
520 $a The flow properties of bentonite suspensions, viscosity, shear stress, yield stress and gelation, are investigated. Water flow through ungrouted fractures and movement of water in bentonite grout are studied.
590 $a School code: 0009.
650 4 $a Geotechnology. $3 1018558
650 4 $a Engineering, Industrial. $3 626639
650 4 $a Engineering, Nuclear. $3 1043651
690 $a 0428
690 $a 0546
690 $a 0552
710 2 0 $a The University of Arizona. $3 1017508
773 0 $t Masters Abstracts International $g 29-01.
790 1 0 $a Daemen, Jaak J. K., $e advisor
790 $a 0009
791 $a M.S.
792 $a 1990
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=1341495