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BS EN ISO 22476-4:2021 – TC:2022 Edition

BS EN ISO 22476-4:2021 – TC:2022 Edition

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Tracked Changes. Geotechnical investigation and testing. Field testing – Prebored pressuremeter test by Ménard procedure

Published By Publication Date Number of Pages
BSI 2022 172
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This document specifies equipment requirements, the execution of and reporting on the Ménard pressuremeter test.

This document describes the procedure for conducting a Ménard pressuremeter test in natural grounds, treated or untreated fills, either on land or off-shore.

The pressuremeter tests results of this document are suited to a quantitative determination of ground strength and deformation parameters. They can yield lithological information in conjunction with measuring while drilling performed when creating the borehole (according to ISO 22476-15 ). They can also be combined with direct investigation (e.g. sampling according to ISO 22475-1 ) or compared with other in situ tests (see EN 1997-2 ).

PDF Catalog

PDF Pages PDF Title
1 30443502
101 A-30377369
102 undefined
107 Foreword
108 Introduction
111 1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
113 3.2 Symbols
116 4 Equipment
4.1 General description
4.2 Pressuremeter probe
4.2.1 General
118 4.2.2 Probe with flexible cover
4.2.3 Probe with flexible cover and an additional more rigid protection
119 4.2.4 Probe with flexible cover and slotted tube
120 4.3 Connecting lines and injected fluid
121 4.4 Pressure and volume control unit
4.4.1 General
4.4.2 Measurement and control
122 4.4.3 Data logger
5 Test procedure
5.1 Assembling the parts
123 5.2 Calibration and corrections
5.3 Pressuremeter test pocket and probe placing
5.4 Preparation for testing
124 5.5 Establishing the loading programme
125 5.6 Establishing the pressure of the guard cells for tri-cell probes
5.7 Expansion
5.7.1 General
5.7.2 Readings and recordings
126 5.7.3 End of test
5.8 Back-filling of the pockets
5.9 Safety requirements
6 Test results
6.1 Data sheet and field print-out or display
6.1.1 Data sheet for type A control unit
127 6.1.2 Site print-out for type B and C control units
6.1.3 Raw pressuremeter curve
6.2 Corrected pressuremeter curve
128 6.3 Calculated results
129 7 Reporting
7.1 General
7.2 Field report
7.3 Test report
7.3.1 General
7.3.2 Ménard pressuremeter test report
130 7.3.3 Pressuremeter tests log
132 Annex A (normative) Geometrical features of pressuremeter probes
134 Annex B (normative) Calibration and corrections
143 Annex C (normative) Placing the pressuremeter probe in the ground
151 Annex D (normative) Obtaining pressuremeter parameters
161 Annex E (normative) Uncertainties
163 Annex F (informative) Pressuremeter test records
170 Bibliography

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BS EN ISO 22476-4:2021 - TC
$280.87