ASTM D6598-11
(Guide)Standard Guide for Installing and Operating Settlement Platforms for Monitoring Vertical Deformations
Standard Guide for Installing and Operating Settlement Platforms for Monitoring Vertical Deformations
SCOPE
1.1 This guide provides recommended designs and procedures for the fabrication, installation, operation, and reading of settlement platform to determine the magnitude and rate of foundation, fill settlements, or both generally under a fill or embankment load. Two types of settlement platforms are described - those be monitored by elevation surveys from an external bench mark and those that include an internal reference system supported on unyielding soil or rock beneath the compressible layer(s) of interest.
This guide does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this guide to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
This guide offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgement. Not all aspects of this guide may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word "standard" in the title of this document means only that the document has been approved through the ASTM consensus process.
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Designation:D6598 −11
Standard Guide for
Installing and Operating Settlement Platforms for Monitoring
1
Vertical Deformations
This standard is issued under the fixed designation D6598; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* D653 Terminology Relating to Soil, Rock, and Contained
Fluids
1.1 This guide provides recommended designs and proce-
D3740 Practice for Minimum Requirements for Agencies
dures for the fabrication, installation, operation, and reading of
Engaged in Testing and/or Inspection of Soil and Rock as
settlement platform to determine the magnitude and rate of
Used in Engineering Design and Construction
foundation, fill settlements, or both generally under a fill or
D5092 Practice for Design and Installation of Groundwater
embankment load. Two types of settlement platforms are
Monitoring Wells
described – those being monitored by elevation surveys from
an external bench mark and those that include an internal
3. Terminology
reference system supported on unyielding soil or rock beneath
the compressible layer(s) of interest.
3.1 Definitions:
1.2 Units—The values stated in SI units are to be regarded 3.1.1 For definitions of terms in this standard, refer to
as standard. No other units of measurement are included in this Terminology D653.
standard.
3.2 Definitions of Terms Specific to This Standard:
1.3 This guide does not purport to address all of the safety
3.2.1 settlement platform—a system consisting of a square
concerns, if any, associated with its use. It is the responsibility
base platform with an extendible riser pipe of known length
of the user of this guide to establish appropriate safety and
which is used to monitor vertical deformations at the elevation
health practices and determine the applicability of regulatory
of the base platform by survey measurements made of the top
limitations prior to use.
of the riser pipe.
1.4 This guide offers an organized collection of information
3.2.2 external and internal reference point system—with an
or a series of options and does not recommend a specific
external system, the amount of settlement is determined by
course of action. This document cannot replace education or
referencing the elevation of the settlement platform to an
experience and should be used in conjunction with professional
outside elevation benchmark; with an internal system, the
judgement. Not all aspects of this guide may be applicable in
amount of settlement is determined by measuring the relative
all circumstances. This ASTM standard is not intended to
displacement of two co-axial riser pipes moving relative to
represent or replace the standard of care by which the
each other, the outer riser pipe being attached to the base
adequacy of a given professional service must be judged, nor
platform and the inner riser pipe being fixed to an unyielding
should this document be applied without consideration of a
stratum.
project’s many unique aspects. The word “standard” in the
title of this document means only that the document has been
3.2.3 anchor—an anchor system that provides an internal
approved through the ASTM consensus process.
fixed reference point below the base of the settlement platform
system.
2. Referenced Documents
3.2.4 extendible riser—a metal shaft or pipe which can be
2
2.1 ASTM Standards:
incrementally lengthened using sections of the same material
and appropriate couplings as fill is placed and compacted to
1 ensure that the top of the riser remains above the level of the
This guide is under the jurisdiction ofASTM Committee D18 on Soil and Rock
and is the direct responsibility of Subcommittee D18.23 on Field Instrumentation.
surroundinggroundsurface.Dependingonwhetheranexternal
Current edition approved Nov. 1, 2011. Published January 2012. Originally
or internal reference point is being used, there may be one or
approved in 2000. Last previous edition approved in 2007 as D6598–07. DOI:
two risers.
10.1520/D6598-11.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3.2.5 isolation casing—a casing of a larger diameter than
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
the extendible risers is used in some installations to prevent
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. down-drag of soil on the extendible riser that would otherwise
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D6598–07 Designation: D6598 – 11
Standard Guide for
Installing and Operating Settlement Platforms for Monitoring
1
Vertical Deformations
This standard is issued under the fixed designation D6598; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This guide provides recommended designs and procedures for the fabrication, installation, operation, and reading of
settlement platform to determine the magnitude and rate of foundation, fill settlements, or both generally under a fill or
embankment load. Two types of settlement platforms are described – those being monitored by elevation surveys from an external
bench mark and those that include an internal reference system supported on unyielding soil or rock beneath the compressible
layer(s) of interest.
1.2 This guide does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of
the user of this guide to establish appropriate safety and health practices and determine the applicability of regulatory limitations
prior to use. Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in
this standard.
1.3 This guide does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of
the user of this guide to establish appropriate safety and health practices and determine the applicability of regulatory limitations
prior to use.
1.4 This guide offers an organized collection of information or a series of options and does not recommend a specific course
of action. This document cannot replace education or experience and should be used in conjunction with professional judgement.
Not all aspects of this guide may be applicable in all circumstances. This ASTM standard is not intended to represent or replace
the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied
without consideration of a project’s many unique aspects. The word “standard” in the title of this document means only that the
document has been approved through the ASTM consensus process.
2. Referenced Documents
2
2.1 ASTM Standards:
D653 Terminology Relating to Soil, Rock, and Contained Fluids
D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in
Engineering Design and Construction
D5092 Practice for Design and Installation of Ground Water Monitoring Wells
3. Terminology
3.1 Definitions:
3.1.1 For definitions of terms in this standard, refer to Terminology D653.
3.2 Definitions of Terms Specific to This Standard:
3.1.1
3.2.1 settlement platform—a system consisting of a square base platform with an extendible riser pipe of known length which
is used to monitor vertical deformations at the elevation of the base platform by survey measurements made of the top of the riser
pipe.
3.1.2
3.2.2 external and internal reference point system—with an external system, the amount of settlement is determined by
referencing the elevation of the settlement platform to an outside elevation benchmark; with an internal system, the amount of
settlement is determined by measuring the relative displacement of two co-axial riser pipes moving relative to each other, the outer
1
This guide is under the jurisdiction of ASTM Committee D18 on Soil and Rock and is the direct responsibility of Subcommittee D18.23 on Field Instrumentation.
Current edition approved MayNov. 1, 2007.2011. Published June 2007.January 2012. Originally approved in 2000. Last previous edition approved in 20002007 as
D6598–00.D6598–07. DOI: 10.1520/D6598-07.10.1520/D6598-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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D6598 – 11
riser pipe being attached to the base platform and the inner riser pipe being fixed to an unyielding stratum.
3.1.3
3.2.3
...
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