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ASTM D7290-06

(Practice)

Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural Applications

Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural Applications

SIGNIFICANCE AND USE
This practice covers the procedures for computing material property characteristic values for polymeric composite materials intended for use in civil engineering structural applications. A characteristic value represents a statistical lower bound on the material property structural member resistance factors for civil engineering design codes for composite structures.
This practice may be used to obtain characteristic values for stiffness and strength properties of composite materials obtained from measurements using applicable test methods.
SCOPE
1.1 This practice covers the procedures for computing characteristic values of material properties of polymeric composite materials intended for use in civil engineering structural applications. The characteristic value is a statistically-based material property representing the 80 % lower confidence bound on the 5th-percentile value of a specified population. Characteristic values determined using this standard practice can be used to calculate structural member resistance values in design codes for composite civil engineering structures and for establishing limits upon which qualification and acceptance criteria can be based.
This standard 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 standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Aug-2006
ICS
83.140.99 - Other rubber and plastics products
Technical Committee
D30 - Composite Materials
Drafting Committee
D30.10 - Composites for Civil Structures
Current Stage
Ref Project

Relations

Replaced By
ASTM D7290-06(2011) - Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural Applications
Effective Date
01-Aug-2011
Referred By
ASTM D7745-19 - Standard Practice for Testing Pultruded Composites
Effective Date
01-Sep-2006
Referred By
ASTM D7792/D7792M-15 - Standard Practice for Freeze/Thaw Conditioning of Pultruded Fiber Reinforced Polymer (FRP) Composites Used in Structural Designs
Effective Date
01-Sep-2006
Referred By
ASTM D7992/D7992M-15 - Standard Practice for Elevated Temperature and Moisture Conditioning of Pultruded Fiber Reinforced Polymer (FRP) Composites Used in Structural Designs
Effective Date
01-Sep-2006
Referred By
ASTM D953-19 - Standard Test Method for Pin-Bearing Strength of Plastics
Effective Date
01-Sep-2006

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ASTM D7290-06 - Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural ApplicationsASTM D7290-06 - Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural Applications
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ASTM D7290-06 - Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural Applications
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D7290 – 06
Standard Practice for
Evaluating Material Property Characteristic Values for
Polymeric Composites for Civil Engineering Structural
1
Applications
This standard is issued under the fixed designation D7290; 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 2.2 Other Document:
MIL-Handbook-17 Polymer Matrix Composites, Volume 1,
1.1 This practice covers the procedures for computing
3
Revision F
characteristic values of material properties of polymeric com-
posite materials intended for use in civil engineering structural
3. Terminology
applications. The characteristic value is a statistically-based
3.1 Definitions—Terminology D3878 defines terms relating
material property representing the 80 % lower confidence
to high-modulus fibers and their composites. Terminology
bound on the 5th-percentile value of a specified population.
D883definestermsrelatingtoplastics.TerminologyE6defines
Characteristic values determined using this standard practice
termsrelatingtomechanicaltesting.TerminologyE456defines
can be used to calculate structural member resistance values in
terms relating to statistics. In the event of a conflict between
design codes for composite civil engineering structures and for
terms, Terminology D3878 shall have precedence over the
establishing limits upon which qualification and acceptance
other documents.
criteria can be based.
3.2 Definitions of Terms Specific to This Standard:
1.2 This standard does not purport to address all of the
3.2.1 characteristic value—a statistically-based material
safety concerns, if any, associated with its use. It is the
property representing the 80 % lower confidence bound on the
responsibility of the user of this standard to establish appro-
5th-percentile value of a specified population. The character-
priate safety and health practices and determine the applica-
istic value accounts for statistical uncertainty due to a finite
bility of regulatory limitations prior to use.
sample size.
2. Referenced Documents 3.2.1.1 Discussion—The 80 % confidence bound and 5th-
2
percentile levels were selected so that composite material
2.1 ASTM Standards:
characteristic values will produce resistance factors for Load
D883 Terminology Relating to Plastics
and Resistance Factor Design similar to those for other civil
D3878 Terminology for Composite Materials
4
engineering materials (see Refs 1 and 2).
D5055 Specification for Establishing and Monitoring Struc-
3.2.1.2 Discussion—The term “characteristic value” is
tural Capacities of Prefabricated Wood I-Joists
analogous to the term “basis value” used in the aerospace
D5457 Specification for Computing Reference Resistance
industry where A- and B-basis values are defined as the 95 %
of Wood-Based Materials and Structural Connections for
lower confidence bound on the lower 1 % and 10 % values of
Load and Resistance Factor Design
a population, respectively.
D5574 Test Methods for Establishing Allowable Mechani-
3.2.2 data confidence factor, V—a factor that is used to
cal Properties of Wood-Bonding Adhesives for Design of
adjustthesamplenominalvalueforuncertaintyassociatedwith
Structural Joints
finite sample size.
E6 TerminologyRelatingtoMethodsofMechanicalTesting
3.2.3 nominal value—the 5th percentile value of the data
E178 Practice for Dealing With Outlying Observations
represented by a probability density function.
E456 Terminology Relating to Quality and Statistics
3.2.4 outlier—an outlying observation, or “outlier,” is one
that deviates significantly from other observations in the
1
sample in which it occurs.
This practice is under the jurisdiction ofASTM Committee D30 on Composite
MaterialsandisthedirectresponsibilityofSubcommitteeD30.05onStructuralTest
Methods.
Current edition approved Sept. 1, 2006. Published October 2006. DOI: 10.1520/
3
D7290-06. AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.access.gpo.gov.
4
Standards volume information, refer to the standard’s Document Summary page on The boldface numbers in parentheses refer to the list of references at the end of
the ASTM website. this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D7290 – 06
NOTE 2—Practice E178 provides several methods for statistically
4. Significance and Use
an
...

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This specification establishes the physical and performance requirements for round and rectangular cross-section polymeric piles in axial and lateral load-bearing applications including, by not limited to, marine, waterfront, and corrosive environments. It does not apply to individual polymeric pile products, sheet piles, and other mechanically connected polymeric pile products using inter-locking systems. Covered here are six types of polymeric piles that are fabricated from materials that may be virgin, recycled, or both, as long as the finished product meets all of the criteria specified herein. These types are: Type I, polymeric only; Type II, polymeric with reinforcement in the form of chopped, milled or continuous fiber or mineral; Type III, polymeric with reinforcement in the form of metallic bars, cages, or shapes; Type IV, polymeric with reinforcement in the form of non-metallic bars or cages; Type V, polymeric composite tube with a concrete core; and Type VI, any other polymeric piling meeting the requirements stated herein and not otherwise described by Types I through V. The polymeric tiles shall adhere to specified physical attributes such as size, cross-sectional shape, length, straightness, placement of reinforcement, and surface conditions. The performance requirements which pile specimens shall conform to include creep rupture, serviceability, flexural properties, shear strength, bearing strength, design flexural stiffness, energy absorption, compressive strength, combined stresses, dimensional stability (thermal expansion), hygrothermal cycling, and flame spread index.
SCOPE
1.1 This specification addresses the use of round and rectangular cross-section polymeric piles in axial and lateral load-bearing applications, including but not limited to marine, waterfront, and corrosive environments.  
1.2 This specification is only applicable to individual polymeric pile products. Sheet pile and other mechanically connected polymeric pile products using inter-locking systems, are not part of this specification.  
1.3 The piling products considered herein are characterized by the use of polymers, whereby (1) the pile strength or stiffness requires the inclusion of the polymer, or (2) a minimum of fifty percent (50 %) of the weight or volume is derived from the polymer. The type classifications of polymeric piles described in Section 4 show how they can be reinforced by composite design for increased stiffness or strength.  
1.4 This specification covers polymeric piles fabricated from materials that are virgin, recycled, or both, as long as the finished product meets all of the criteria specified herein. Diverse types and combinations of inorganic filler systems are permitted in the manufacturing of polymeric piling products. Inorganic fillers include such materials as talc, mica, silica, wollastonite, calcium carbonate, etc. Pilings are often placed in service where they will be subjected to continuous damp or wet exposure conditions. Due to concerns of water sensitivity and possible affects on mechanical properties in such service conditions, organic fillers, including lignocellulosic materials such as those made or derived from wood, wood flour, flax shive, rice hulls, wheat straw, and combinations thereof, are not permitted in the manufacturing of polymeric piling products.  
1.5 The values are stated in inch-pound units as these are currently the most common units used by the construction industry.  
1.6 Polymeric piles under this specification are designed using design stresses determined in accordance with Test Methods D6108, D6109, and D6112 and procedures contained within this specification unless otherwise specified.  
1.7 Although in some instances it will be an important component of the pile design, frictional properties are currently beyond the scope of this document.  
1.8 Criteria for design are included as part of this specification for polymeric piles. Certain Types and...

  • Technical specification
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  • Technical specification
    18 pages
    English language
    sale 15% off