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Triaxial compressive strength data of tests conducted at varying strain rates and confining pressures on salt samples from the Northwich Halite Member

The dataset contains triaxial compressive strength data of salt samples collected from the Northwich Halite Member at the Winsford Mine in Cheshire, UK. Each sample was subjected to varying strain or displacement-equivalent rates under conventional triaxial stress conditions to evaluate its mechanical response to different loading conditions. The experiments were conducted over two testing campaigns between July 2022 and August 2023, using a servo-controlled stiff load frame in the Rock Mechanics and Physics Laboratory at the British Geological Survey, Keyworth, UK. The dataset is organized into individual Microsoft Excel files, each corresponding to a single test and containing parameters such as time, force, stress, displacement, and strain. A summary file detailing sample characteristics and test conditions is also included.

Simple

Date (Creation)
2025-03-10
Identifier
http://data.bgs.ac.uk/id/dataHolding/13608391
Originator
  Heriot-Watt University - Nathaniel D Forbes Inskip
Distributor
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Originator
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Distributor
  British Geological Survey - Enquiries
Point of contact
  British Geological Survey - Enquiries
Maintenance and update frequency
notPlanned Not planned
GEMET - INSPIRE themes, version 1.0
  • Geology
BGS Thesaurus of Geosciences
  • NGDC Deposited Data
  • Salt
  • UK Location (INSPIRE)
  • Compressive strength
  • Citable Data
  • Physical properties
  • Elastic theory
  • Compression tests
  • Halite
dataCentre
  • UK Location (INSPIRE)
  • NGDC Deposited Data
  • Citable Data
Keywords
  • NERC_DDC
Access constraints
otherRestrictions Other restrictions
Other constraints
licenceOGL
Other constraints
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
Use constraints
otherRestrictions Other restrictions
Other constraints
The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.
Other constraints
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
Spatial representation type
vector Vector
Metadata language
EnglishEnglish
Topic category
  • Geoscientific information
Geographic identifier
Cheshire County [id=12343]

Date (Revision)
2009

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Begin date
2022-06-21
End date
2023-08-16
Unique resource identifier
OSGB 1936 / British National Grid (EPSG::27700)
Unique resource identifier
WGS 84 (EPSG::4326)
Distribution format
  • Microsoft Word Document (.docx) ()

  • Comma Separated Values File (.csv) ()

  • PDF Document ()

Distributor
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Distributor
  British Geological Survey - Enquiries
OnLine resource
Data
OnLine resource
Digital Object Identifier (DOI)
Hierarchy level
dataset Dataset
Other
dataset

Conformance result

Date (Publication)
2011
Explanation
See the referenced specification
Pass
No

Conformance result

Date (Publication)
2010-12-08
Explanation
See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
Pass
No
Statement
Each sample was subjected to triaxial stress conditions, where the primary principal stress corresponded to the axial stress and the intermediate and minimum principal stresses are equal to the confining pressure. The experiments followed a three-stage process: (1) hydrostatic loading to a pre-determined confining pressure (5–45 MPa), (2) active deformation under either a constant strain rate (ranging from 1e-5 to 1e-3 per second) or a constant displacement rate (0.0012–0.12 mm/s), and (3) stress unloading. The confining pressure remained constant throughout each test, while temperature and humidity were maintained at room conditions. Measurements were recorded at a rate of 4 Hz in time domain and at every 250 N in force domain to capture force variations accurately. An axial displacement correction was applied using a 5th-order polynomial to obtain a true measure of sample displacement.
File identifier
302214db-a164-0a1b-e063-3050940a6602 XML
Metadata language
EnglishEnglish
Hierarchy level
dataset Dataset
Date stamp
2025-11-13
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  British Geological Survey
Environmental Science Centre,Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
+44 115 936 3100
Dataset URI
http://data.bgs.ac.uk/id/dataHolding/13608391
 
 

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