PTST — Laboratory Permeability Tests¶
Path: PROJ → LOCA → SAMP → PTST · Family: Soil Strength, Consolidation & Deformation Tests
Editions: 4.0.3 – 4.2
Key chain
Identified by LOCA_ID, SAMP_TOP, SAMP_REF, SAMP_TYPE, SAMP_ID, SPEC_REF, SPEC_DPTH, PTST_TESN. Inherits LOCA_ID, SAMP_ID, SAMP_REF, SAMP_TOP, SAMP_TYPE from SAMP.
| Heading | Status | Type | Unit | Editions | Description |
|---|---|---|---|---|---|
LOCA_ID (key) |
KEY | ID |
Location identifier | ||
SAMP_TOP (key) |
KEY | 2DP |
m | Depth to top of sample | |
SAMP_REF (key) |
KEY | X |
Sample reference | ||
SAMP_TYPE (key) |
KEY | PA |
Sample type | ||
SAMP_ID (key) |
KEY | ID |
Sample unique identifier | ||
SPEC_REF (key) |
KEY | X |
Specimen reference | ||
SPEC_DPTH (key) |
KEY | 2DP |
m | Depth to top of test specimen | |
PTST_TESN (key) |
KEY | X |
Test reference | ||
SPEC_DESC |
OTHER | X |
Specimen description | ||
SPEC_PREP |
OTHER | X |
Details of specimen preparation including time between preparation and testing | ||
PTST_COND |
OTHER | PA |
Sample condition | ||
PTST_SZUN |
OTHER | 0DP |
mm | Size cut off of material too coarse for testing | |
PTST_UNS |
OTHER | 0DP |
% | Proportion of material removed above PTST | |
PTST_DIAM |
OTHER | 2DP |
mm | Specimen diameter | |
PTST_LEN |
OTHER | 2DP |
mm | Specimen length | |
PTST_MC |
OTHER | X |
% | Initial water/moisture content of test specimen | |
PTST_BDEN |
OTHER | 2DP |
Mg/m3 | Initial bulk density of test specimen | |
PTST_DDEN |
OTHER | 2DP |
Mg/m3 | Initial dry density | |
PTST_IDIA |
OTHER | 2DP |
mm | Diameter of drain for radial permeability in hydraulic cell | |
PTST_DMET |
OTHER | X |
Method of forming central drain | ||
PTST_VOID |
OTHER | 3DP |
Initial voids ratio | ||
PTST_K |
OTHER | 1SCI |
m/s | Coefficient of permeability | |
PTST_TSTR |
OTHER | 0DP |
kPa | Mean effective stress at which permeability measured (when measured in triaxial or hydraulic cell). | |
PTST_HYGR |
OTHER | 0DP |
Hydraulic gradient at which permeability measured (for constant head test). | ||
PTST_ISAT |
OTHER | 2SF |
% | Initial degree of saturation | |
PTST_SAT |
OTHER | X |
Details of saturation, where appropriate | ||
PTST_CONS |
OTHER | X |
Details of consolidation, where appropriate | ||
PTST_PDEN |
OTHER | XN |
Mg/m3 | Particle density with prefix # if value assumed | |
PTST_TYPE |
OTHER | PA |
Type of permeability measurement | ||
PTST_CELL |
OTHER | PA |
Type of permeameter | ||
PTST_REM |
OTHER | X |
Remarks on test | ||
PTST_METH |
OTHER | X |
Test method | ||
PTST_LAB |
OTHER | X |
Name of testing laboratory/organization | ||
PTST_CRED |
OTHER | X |
Accrediting body and reference number (when appropriate) | ||
TEST_STAT |
OTHER | X |
Test status | ||
FILE_FSET |
OTHER | X |
Associated file reference (e.g. test result sheets) | ||
SPEC_BASE |
OTHER | 2DP |
m | since 4.1 | Depth to base of specimen |
PTST_DEV |
OTHER | X |
since 4.1 | Deviations from the test method | |
PTST_WCIS |
OTHER | X |
since 4.1 | Initial water content source | |
PTST_WCF |
OTHER | X |
% | since 4.1 | Final water content of test specimen |
PTST_FSAT |
OTHER | 2SF |
% | since 4.1 | Final degree of saturation, if determined |
PTST_TEMP |
OTHER | 1DP |
DegC | since 4.1 | Average laboratory temperature at which the test was performed |
PTST_SOUR |
OTHER | X |
since 4.1 | Source of permeameter water | |
PTST_BACK |
OTHER | 0DP |
kPa | since 4.1 | Back pressure |
PTST_BVAL |
OTHER | 2DP |
since 4.1 | B-value, if used | |
PTST_LOSS |
OTHER | X |
since 4.1 | Equipment head loss corrections applied to the measurements, if any, and the associated flow rates |