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Rock stress measurements in the deep boreholes at Kuhmo, Hyrynsalmi, Sievi, Eurajoki and Konginkangas

Technical Report:

Abstract

Hydraulic fracturing rock stress measurements, conducted in five boreholes are presented. The boreholes are located in different site investigation areas in Finland: Kuhmo-Romuvaara, Hyrynsalmi-Veitsivaara, Sievi-Syyry, Eurajoki-Olkiluoto and Konginkangas-Kivetty. The aim of the measurements was to provide rock stress data, forming input to the site selection process for an underground facility for disposal of high level radioactive waste from the Olkiluoto Nuclear Power Plant. A summary is given of the theoretical background to the hydrofracturing method, whilst the equipment and experimental procedures used in the present case are described in more detail. All results obtained are presented and subjected to critical discussion. The final stress parameters evaluated are magnitudes and directions of the maximum and minimum horizontal stresses. Testing was successfully completed according to the clan at Syyry, Olkiluoto and Kivetty. Testing was partly successful at Romuvaara but unsuccessful in the borehole at Veitsivaara.
Authors:
Klasson, H; [1]  Leijon, B [2] 
  1. Renco Ab (Sweden)
  2. Nuclear Waste Management (Sweden). Section of SKB
Publication Date:
Nov 01, 1990
Product Type:
Technical Report
Report Number:
YJT-90-18
Reference Number:
SCA: 052002; 540250; 580000; PA: AIX-23:007602; SN: 92000619547
Resource Relation:
Other Information: PBD: Nov 1990
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; FINLAND; RADIOACTIVE WASTE DISPOSAL; UNDERGROUND DISPOSAL; ROCK MECHANICS; HIGH-LEVEL RADIOACTIVE WASTES; BOREHOLES; FRACTURE MECHANICS; HYDRAULIC FRACTURING; ROCKS; SITE SURVEYS; STRESSES; TESTING; 052002; 540250; 580000; WASTE DISPOSAL AND STORAGE; SITE RESOURCE AND USE STUDIES; GEOSCIENCES
OSTI ID:
10104091
Research Organizations:
Voimayhtioeiden Ydinjaetetoimikunta, Helsinki (Finland)
Country of Origin:
Finland
Language:
English
Other Identifying Numbers:
Other: ON: DE92612732; TRN: FI9100119007602
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
FIN
Size:
165 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Klasson, H, and Leijon, B. Rock stress measurements in the deep boreholes at Kuhmo, Hyrynsalmi, Sievi, Eurajoki and Konginkangas. Finland: N. p., 1990. Web.
Klasson, H, & Leijon, B. Rock stress measurements in the deep boreholes at Kuhmo, Hyrynsalmi, Sievi, Eurajoki and Konginkangas. Finland.
Klasson, H, and Leijon, B. 1990. "Rock stress measurements in the deep boreholes at Kuhmo, Hyrynsalmi, Sievi, Eurajoki and Konginkangas." Finland.
@misc{etde_10104091,
title = {Rock stress measurements in the deep boreholes at Kuhmo, Hyrynsalmi, Sievi, Eurajoki and Konginkangas}
author = {Klasson, H, and Leijon, B}
abstractNote = {Hydraulic fracturing rock stress measurements, conducted in five boreholes are presented. The boreholes are located in different site investigation areas in Finland: Kuhmo-Romuvaara, Hyrynsalmi-Veitsivaara, Sievi-Syyry, Eurajoki-Olkiluoto and Konginkangas-Kivetty. The aim of the measurements was to provide rock stress data, forming input to the site selection process for an underground facility for disposal of high level radioactive waste from the Olkiluoto Nuclear Power Plant. A summary is given of the theoretical background to the hydrofracturing method, whilst the equipment and experimental procedures used in the present case are described in more detail. All results obtained are presented and subjected to critical discussion. The final stress parameters evaluated are magnitudes and directions of the maximum and minimum horizontal stresses. Testing was successfully completed according to the clan at Syyry, Olkiluoto and Kivetty. Testing was partly successful at Romuvaara but unsuccessful in the borehole at Veitsivaara.}
place = {Finland}
year = {1990}
month = {Nov}
}