Standard Specification for Underground Precast Concrete Utility Structures

SCOPE
1.1 This specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Concrete pipe, box culverts and material covered in Specification C478, for Precast Reinforced Manhole Sections , are excluded from this specification.

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Historical
Publication Date
31-Dec-1982
Drafting Committee
Current Stage
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ASTM C858-83(1997) - Standard Specification for Underground Precast Concrete Utility Structures
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: C 858 – 83 (Reapproved 1997)
Standard Specification for
Underground Precast Concrete Utility Structures
This standard is issued under the fixed designation C 858; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope C 94 Specification for Ready-Mixed Concrete
C 150 Specification for Portland Cement
1.1 This specification covers the recommended design cri-
C 192 Practice for Making and Curing Concrete Test Speci-
teria and manufacturing practices for monolithic or sectional
mens in the Laboratory
precast concrete utility structures. Concrete pipe and box
C 231 Test Method for Air Content of Freshly Mixed
culverts are not covered under this specification. Also, precast
Concrete by the Pressure Method
concrete manholes covered in Specification C 478 are excluded
C 260 Specification for Air-Entraining Admixtures for Con-
from this specification.
crete
2. Referenced Documents
C 330 Specification for Lightweight Aggregates for Struc-
tural Concrete
2.1 ASTM Standards:
C 478 Specification for Precast Reinforced Concrete Man-
A 82 Specification for Steel Wire, Plain, for Concrete Re-
hole Sections
inforcement
C 494 Specification for Chemical Admixtures for Concrete
A 184/A184M Specification for Fabricated Deformed Steel
C 595M Specification for Blended Hydraulic Cements
Bar Mats for Concrete Reinforcement
C 618 Specification for Fly Ash and Raw or Calcined
A 185 Specification for Steel Welded Wire, Fabric, Plain,
Natural Pozzolan for Use as a Mineral Admixture in
for Concrete Reinforcement
Portlant Cement Concrete
A 496 Specification for Steel Wire, Deformed, for Concrete
C 857 Practice for Minimum Structural Design Loading for
Reinforcement
Underground Precast Concrete Utility Structures
A 497 Specification for Steel Welded Wire Fabric, De-
2.2 American Concrete Institute Standard:
formed, for Concrete Reinforcement
ACI 318 Building Code Requirements for Reinforced Con-
A 615/A615M Specification for Deformed and Plain Billet-
crete
Steel Bars for Concrete Reinforcement
2.3 American Welding Society Standard:
A 616/A616M Specification for Rail-Steel Deformed and
AWS-D1.4 Structural Welding Code Reinforcing Steel
Plain Bars for Concrete Reinforcement
A 617/A617M Specification for Axle-Steel Deformed and
3. Terminology
Plain Bars for Concrete Reinforcement
3.1 Definition of Term Specific to this Standard:
A 706/A706M Specification for Low-Alloy Steel Deformed
2 3.1.1 utility structure—a structure that is used by electric,
Bars for Concrete Reinforcement
gas, communication, or similar industries.
C 31 Practice for Making and Curing Concrete Test Speci-
mens in the Field
4. Ordering Information
C 33 Specification for Concrete Aggregates
4.1 Unless otherwise stipulated by the purchaser in his
C 39 Test Method for Compressive Strength of Cylindrical
3 order, a structure produced in accordance with this specifica-
Concrete Specimens
tion and constructed in accordance with the design drawings
C 42 Test Method for Obtaining and Testing Drilled Cores
3 approved by the purchaser shall be acceptable.
and Sawed Beams of Concrete
This specification is under the jurisdiction of ASTM Committee C-27 on
Precast Concrete Products, and is the direct responsibility of Subcommittee C27.10 Annual Book of ASTM Standards, Vol 04.01.
on Utility Structures. Annual Book of ASTM Standards, Vol 04.05.
Current edition approved Dec. 12, 1983. Published January 1984. Originally Available from the American Concrete Institute, P.O. Box 19150, Detroit,
published as C 858 – 78. Last previous edition C 858 – 78. Mich., 48219.
2 7
Annual Book of ASTM Standards, Vol 01.04. Available from the American Welding Society (AWS), P.O. Box 351040, 550
Annual Book of ASTM Standards, Vol 04.02. LeJune Rd., N. W., Miami, FL 33135.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C 858
5. Materials 6.4 Concrete Placement—Concrete shall be deposited as
nearly as practicable in its final position. Concrete shall be
5.1 Cement—Portland cement shall conform to the require-
placed in the form at a rate such that the concrete is plastic at
ments of Specification C 150 or shall be portland blast-furnace
all times and flows readily into all parts of the form and around
slag cement or portland pozzolan cement conforming to the
all reinforcement steel and embedded fixtures without segre-
requirements of Specification C 595M.
gation of materials. Concrete that has partially hardened or has
5.2 Aggregates—Aggregate shall conform to Specification
been contaminated by foreign material shall not be deposited in
C 33 and light-weight aggregate shall conform to Specification
the form.
C 330, except that the requirements for grading shall not apply.
6.5 Curing—Structures shall be cured by an accepted in-
5.3 Admixtures—Admixtures may be used provided such
dustry method that will develop the required 28-day compres-
admixtures are not injurious to other products used in the
sive strength without affecting the long-term durability of the
concrete.
concrete.
5.3.1 Chemical Admixtures—Chemical admixtures shall
conform to Specification C 494. 7. Design Requirements
5.3.2 Fly Ash and Pozzolanic Admixture—Fly ash or other
7.1 The elastic method of structural design or the ultimate
pozzolanic admixtures shall conform to Specification C 618.
strength method of reinforced concrete design as outlined in
5.3.3 Air-Entraining Admixtures—Air-entraining admix-
ACI 318, shall be used to design the concrete sections,
tures conforming to Specification C 260 shall be used when
including the reinforcement required, when the structure is
there is a risk that the concrete may be exposed to a
subjected to the loading conditions covered in Practice C 857.
freeze-thaw cycle. The concrete mixture shall contain 5.5 6 7.2 Access Openings—The structural design shall take into
1.5 % air by volume as determined by Specification C 231.
consideration the number, placement, and size of access
openings.
5.4 Water—Water used for curing, washing aggregate, or
mixing concrete shall be clean and free of injurious amounts of 7.3 Floors—The minimum floor thickness resulting from
slope shall be considered as the nominal floor thickness in the
oil, acids, alkalis, salts, organic materials, or other substances
that may be incompatible with concrete or steel. design of the structure.
7.4 Terminators, Knockouts, and Sumps—Duct terminators,
5.5 Steel Reinforcement:
knockouts, and sumps shall be designed to carry the loads
5.5.1 Wire Reinforcement—Wire reinforcement s
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