CPDG — Pore Pressure Dissipation Tests (PPDT) - General¶

Path: PROJ → LOCA → CPTG → CPDG · Family: In-Situ Penetration & Strength Tests

Editions: 4.2

New in AGS 4.2

This group was introduced in AGS edition 4.2.

Key chain

Identified by LOCA_ID, CPTG_TESN, CPDG_DPTH. Inherits CPTG_TESN, LOCA_ID from CPTG.

Heading	Status	Type	Unit	Description
`LOCA_ID` (key)	KEY	`ID`		Location identifier
`CPTG_TESN` (key)	KEY	`X`		Test reference or push number
`CPDG_DPTH` (key)	KEY	`2DP`	m	Inclination corrected depth of dissipation test
`CPDG_IR`	OTHER	`1DP`		Rigidity index used in analysis
`CPDG_RCMP`	OTHER	`YN`		Were the rods clamped during test?
`CPDG_UI`	OTHER	`3DP`	MPa	Measured, corrected or assumed initial pore water pressure (u_i)
`CPDG_UIP`	OTHER	`PA`		Procedure to define initial pore water pressure
`CPDG_M`	OTHER	`3DP`	kPa/s	Gradient of extrapolation line on square root time graph
`CPDG_UEQ`	OTHER	`3DP`	MPa	Measured or assumed equilibrium pore water pressure (u_o)
`CPDG_UEP`	OTHER	`PA`		Procedure to define equilibrium pore water
`CPDG_DDIS`	OTHER	`0DP`	%	Degree of dissipation for analysis
`CPDG_T`	OTHER	`1DP`	s	Time to achieve degree of dissipation stated in CPDG_DDIS
`CPDG_CH`	OTHER	`2SCI`	m2/yr	Coefficient of consolidation (horizontal), c_h
`CPDG_CHMT`	OTHER	`X`		Method(s) used to determine horizontal coefficient of consolidation
`CPDG_CV`	OTHER	`2SCI`	m2/yr	Coefficient of consolidation (vertical), c_v
`CPDG_CVMT`	OTHER	`X`		Method(s) used to determine vertical coefficient of consolidation
`CPDG_REM`	OTHER	`X`		Remarks, note if data is recorded as whole seconds
`CPDG_DATE`	OTHER	`DT`	yyyy-mm-ddThh:mm:ss	Test date and time
`CPDG_OPER`	OTHER	`X`		Name of test operator
`CPDG_ANBY`	OTHER	`X`		Name(s) of analyser / person responsible for data quality and correctness
`TEST_STAT`	OTHER	`X`		Test status
`FILE_FSET`	OTHER	`X`		Associated file reference (e.g. equipment calibrations)

Child groups (1)¶