ASTM C858-19
(Specification)Standard Specification for Underground Precast Concrete Utility Structures
Standard Specification for Underground Precast Concrete Utility Structures
ABSTRACT
This specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Forms shall be accurately constructed and strong enough to maintain the structure's dimensions within the tolerances. Forms shall be cleaned before each use. The aggregates shall be sized, graded, proportioned, and thoroughly mixed in a batch mixer with proportions of cement and water as will produce a homogeneous concrete having the required specified compressive strength. Concrete shall be deposited as nearly as practicable in its final position. Structures shall be cured by an accepted industry method that will develop the required 28-day compressive strength without affecting the long-term durability of the concrete. The elastic method of structural design or the strength design method of reinforced concrete design, shall be used to design the concrete sections, including the reinforcement required, when the structure is subjected to the specified loading conditions. The structural design shall take into consideration the number, placement, and size of access openings. The minimum floor thickness resulting from slope shall be considered as the nominal floor thickness in the design of the structure. Duct terminators, knockouts, and sumps shall be designed to carry the loads imposed upon them. Compressive-strength of the concrete shall be tested to meet the requirements prescribed. Joints in sectional precast concrete structure shall be designed so as to be self-aligning when assembling sections of the structure. Design of lifting devices shall conform to requirements specified.
SCOPE
1.1 This specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Concrete pipe and box culverts are not covered under this specification. Also, precast concrete manholes covered in Specification C478 are excluded from this specification.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: C858 −19
Standard Specification for
1
Underground Precast Concrete Utility Structures
This standard is issued under the fixed designation C858; 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 C33/C33M Specification for Concrete Aggregates
C39/C39M Test Method for Compressive Strength of Cylin-
1.1 This specification covers the recommended design cri-
drical Concrete Specimens
teria and manufacturing practices for monolithic or sectional
C42/C42M Test Method for Obtaining and Testing Drilled
precast concrete utility structures. Concrete pipe and box
Cores and Sawed Beams of Concrete
culverts are not covered under this specification. Also, precast
C94/C94M Specification for Ready-Mixed Concrete
concrete manholes covered in Specification C478 are excluded
C150/C150M Specification for Portland Cement
from this specification.
C192/C192M Practice for Making and Curing Concrete Test
1.2 The values stated in inch-pound units are to be regarded
Specimens in the Laboratory
as standard. The values given in parentheses are mathematical
C231/C231M Test Method forAir Content of Freshly Mixed
conversions to SI units that are provided for information only
Concrete by the Pressure Method
and are not considered standard.
C260/C260M Specification for Air-Entraining Admixtures
1.3 This international standard was developed in accor-
for Concrete
dance with internationally recognized principles on standard- C330/C330M Specification for Lightweight Aggregates for
ization established in the Decision on Principles for the
Structural Concrete
Development of International Standards, Guides and Recom- C478 Specification for Circular Precast Reinforced Concrete
mendations issued by the World Trade Organization Technical
Manhole Sections
Barriers to Trade (TBT) Committee. C494/C494M Specification for Chemical Admixtures for
Concrete
2. Referenced Documents
C595/C595M Specification for Blended Hydraulic Cements
2
C618 Specification for Coal Fly Ash and Raw or Calcined
2.1 ASTM Standards:
Natural Pozzolan for Use in Concrete
A184/A184M Specification for Welded Deformed Steel Bar
C857 Practice for Minimum Structural Design Loading for
Mats for Concrete Reinforcement
Underground Precast Concrete Utility Structures
A615/A615M Specification for Deformed and Plain Carbon-
C989/C989M Specification for Slag Cement for Use in
Steel Bars for Concrete Reinforcement
Concrete and Mortars
A706/A706M Specification for Deformed and Plain Low-
C1802 Specification for Design, Testing, Manufacture,
Alloy Steel Bars for Concrete Reinforcement
Selection, and Installation of Fabricated Metal Horizontal
A996/A996M Specification for Rail-Steel and Axle-Steel
Access Hatches for Utility, Water, and Wastewater Struc-
Deformed Bars for Concrete Reinforcement
tures
A1064/A1064M Specification for Carbon-Steel Wire and
Welded Wire Reinforcement, Plain and Deformed, for 2.2 American Concrete Institute Standard:
Concrete
ACI 318 Building Code Requirements for Reinforced Con-
3
C31/C31M Practice for Making and Curing Concrete Test crete
Specimens in the Field
2.3 American Welding Society Standard:
4
AWS-D1.4 Structural Welding Code Reinforcing Steel
1
This specification is under the jurisdiction ofASTM Committee C27 on Precast
3. Terminology
Concrete Products and is the direct responsibility of Subcommittee C27.10 on
Utility Structures. 3.1 Definitions of Terms Specific to This Standard:
Current edition approved May 1, 2019. Published May 2019. Originally
approved in 1978. Last previous edition approved in 2018 as C858 – 18. DOI:
10.1520/C0858-19.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available fromAmerican Concrete Institute (ACI), P.O. Box 9094, Farmington
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Hills, MI 48333-9094, http://www.aci-int.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
the ASTM website. Miami, FL 33126, http://www.aws.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C858 − 19
3.1.1 utility structure—a structure that is used by electric, 5.5.2 Bar Reinforcement—Bar reinforcement shall conform
gas, communication, or similar industries. to Specifications A184/A184M, A615/A615M, A706/A706M,
or A
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: C858 − 18 C858 − 19
Standard Specification for
1
Underground Precast Concrete Utility Structures
This standard is issued under the fixed designation C858; 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 specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast
concrete utility structures. Concrete pipe and box culverts are not covered under this specification. Also, precast concrete manholes
covered in Specification C478 are excluded from this specification.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
A184/A184M Specification for Welded Deformed Steel Bar Mats for Concrete Reinforcement
A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement
A706/A706M Specification for Deformed and Plain Low-Alloy Steel Bars for Concrete Reinforcement
A996/A996M Specification for Rail-Steel and Axle-Steel Deformed Bars for Concrete Reinforcement
A1064/A1064M Specification for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete
C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field
C33C33/C33M Specification for Concrete Aggregates
C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens
C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
C94/C94M Specification for Ready-Mixed Concrete
C150C150/C150M Specification for Portland Cement
C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory
C231C231/C231M Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
C260C260/C260M Specification for Air-Entraining Admixtures for Concrete
C330C330/C330M Specification for Lightweight Aggregates for Structural Concrete
C478 Specification for Circular Precast Reinforced Concrete Manhole Sections
C494/C494M Specification for Chemical Admixtures for Concrete
C595C595/C595M Specification for Blended Hydraulic Cements
C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
C857 Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures
C989C989/C989M Specification for Slag Cement for Use in Concrete and Mortars
C1802 Specification for Design, Testing, Manufacture, Selection, and Installation of Fabricated Metal Horizontal Access
Hatches for Utility, Water, and Wastewater Structures
2.2 American Concrete Institute Standard:
3
ACI 318 Building Code Requirements for Reinforced Concrete
1
This specification is under the jurisdiction of ASTM Committee C27 on Precast Concrete Products and is the direct responsibility of Subcommittee C27.10 on Utility
Structures.
Current edition approved Jan. 1, 2018May 1, 2019. Published January 2018May 2019. Originally approved in 1978. Last previous edition approved in 20102018 as
ɛ1
C858 – 10C858 – 18. . DOI: 10.1520/C0858-18.10.1520/C0858-19.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM 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.
3
Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http://www.aci-int.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C858 − 19
2.3 American Welding Society Standard:
4
AWS-D1.4 Structural Welding Code Reinforcing Steel
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 utility structure—a structure that is used by electric, gas, communication, or similar industries.
4. Ordering I
...
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