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ASTM C1694-09

(Specification)

Standard Specification for Reinforced Autoclaved Aerated Concrete (AAC) Elements

Standard Specification for Reinforced Autoclaved Aerated Concrete (AAC) Elements

SCOPE
1.1 This specification covers reinforced solid elements manufactured from autoclaved aerated concrete (AAC), a cementitious product addressed by Specification . The specification addresses dimensional tolerances, maximum limits for drying shrinkage, requirements for steel reinforcement, and shipping and handling.
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 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
30-Sep-2009
ICS
91.100.30 - Concrete and concrete products
Technical Committee
C27 - Precast Concrete Products
Drafting Committee
C27.60 - Precast Autoclaved Aerated Concrete
Current Stage
Ref Project

Relations

Replaced By
ASTM C1694-09(2017) - Standard Specification for Reinforced Autoclaved Aerated Concrete (AAC) Elements
Effective Date
01-Jun-2017

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ASTM C1694-09 - Standard Specification for Reinforced Autoclaved Aerated Concrete (AAC) ElementsASTM C1694-09 - Standard Specification for Reinforced Autoclaved Aerated Concrete (AAC) Elements
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ASTM C1694-09 - Standard Specification for Reinforced Autoclaved Aerated Concrete (AAC) Elements
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:C1694 −09
Standard Specification for
Reinforced Autoclaved Aerated Concrete (AAC) Elements
This standard is issued under the fixed designation C1694; 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 5. Physical Requirements
1.1 This specification covers reinforced solid elements 5.1 Compressive Strength—The compressive strength of the
manufactured from autoclaved aerated concrete (AAC), a elements shall be determined according to Specification
cementitious product addressed by Specification C1693. The
C1693, and shall conform to the requirements of Specification
specification addresses dimensional tolerances, maximum lim- C1693 for the strength class in which the elements are
its for drying shrinkage, requirements for steel reinforcement,
classified.
and shipping and handling.
5.2 Dry Bulk Density—The dry bulk density shall be deter-
1.2 The values stated in inch-pound units are to be regarded
mined according to Specification C1693, and shall conform to
as standard. The values given in parentheses are mathematical
the requirements of Specification C1693 for the strength class
conversions to SI units that are provided for information only
in which the elements are classified.
and are not considered standard.
5.3 Drying Shrinkage—The drying shrinkage shall be deter-
1.3 This standard does not purport to address all of the
mined in accordance with Specification C1693, and the aver-
safety concerns, if any, associated with its use. It is the
age drying shrinkage shall conform to the requirements of
responsibility of the user of this standard to establish appro-
Specification C1693 for the strength class in which the
priate safety and health practices and determine the applica-
elements are specified.
bility of regulatory limitations prior to use.
5.4 Steel Reinforcemen—The properties of the steel rein-
forcementshallbedeterminedinaccordancewithSpecification
2. Referenced Documents
A82/A82M and shall conform to the requirements of Table 1.
2.1 ASTM Standards:
5.5 Weld-Point Shear Strength—The weld-point shear
A82/A82M Specification for Steel Wire, Plain, for Concrete
Reinforcement (Withdrawn 2013) strengthinthereinforcementshallbedeterminedinaccordance
with Section 8 and shall conform to the requirements of Table
C1693 Specification for Autoclaved Aerated Concrete
2.
(AAC)
5.6 Concrete Cover of Steel Reinforcement—The minimum
3. Classification
concrete cover over the steel reinforcement shall be 0.375 in.
3.1 Reinforced AAC elements manufactured in accordance
(10 mm). The reinforcing steel shall receive a corrosion-
with this specification shall be classified according to their
resistant coating before casting.
strength class.
NOTE1—Acovergreaterthan0.375in.(10mm)mayberequiredinfire
resistant applications.
4. Materials and Manufacture
5.7 Effectiveness of Corrosion Protection of Steel
4.1 Reinforced AAC elements manufactured in accordance
Reinforcement—The effectiveness of the corrosion protection
with this specification shall be composed entirely of AAC
for the steel reinforcement shall be determined according to
material conforming to Specification C1693.
Section 7, and the resulting percentage of surface area that is
corroded shall not exceed 5 % of the total surface area.
This specification is under the jurisdiction ofASTM Committee C27 on Precast
Concrete Products and is the direct responsibility of Subcommittee C27.60 on
6. Dimensions and Permissible Variations
Precast Autoclaved Aerated Concrete.
Current edition approved Oct. 1, 2009. Published November 2009. DOI:
6.1 The dimensions of the reinforced elements shall be as
10.1520/C1694-09.
specified by theAAC manufacturer.Allowable deviations from
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
the specified element dimensions are provided in Table 3.
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.
7. Corrosion Protection of Steel Reinforcement in AAC
The last approved version of this historical standard is referenced on
www.astm.org. 7.1 Apparatus:
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1694−09
TABLE 1 Properties of Steel Reinforcement
P 5 100 A /A (3)
~ !
r r t
Property Minimum Value
where:
Characteristic
Yield strength, min, ksi (MPa) 70 (485)
A = total surface of reinforcement present in the specimen
t
Tensile strength, min, ksi (MPa) 80 (550)
(mm )
A
Reduction of area, min, % 30
n = number of longitudinal reinforcing rods,
A
For material testing over 100 ksi (690 MPa) tensile strength, the reduction of area
d = diameter of the longitudinal reinforcing rods (mm),
shall be not less than 25 %.
l = length of the longitudinal reinforcing rods (mm),
n = number of transverse reinforcing rods,
d = diameter of transverse reinforcing rods (mm),
TABLE 2 Weld-Point Shear Strength for Steel Reinforcement
l = length of the transverse reinforcing rods (mm),
Diameter of the Minimum Shear Strength
A = area of rusted surface,
r
Longitudinal Reinforcement, in. (mm) of the Joint, lbf (kN)
w = unrolled width of the corroded surface,
0.16 (4.0) 495 (2.20)
i
0.18 (4.5) 598 (2.66)
l = length of the corroded surface, and
i
0.20 (5.0) 771 (3.43)
P = percentage of surface area which is rusted.
r
0.24 (6.0) 1113 (4.95)
0.28 (7.0) 1513 (6.73)
The total area of corroded surface shall be reported as the
0.32 (8.0) 1987 (8.84)
average total area for the three test and the three reference
0.35 (9.0) 2502 (11.13)
specimens.
0.40 (10.0) 3091 (13.75)
0.43 (11.0) 3741 (16.64)
8. Weld-Point Shear Strength
0.47 (12.0) 5339 (19.79)
8.1 Apparatus—Perform this test using the device shown in
Fig. 1 or an equivalent device that can be fitted into a normal
TABLE
...

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