ASTM C1704/C1704M-09a(2016)

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: C1704/C1704M − 09a C1704/C1704M − 09a (Reapproved 2016)
Standard Test Method for
Sampling and Testing Structural Cementitious Panels
This standard is issued under the fixed designation C1704/C1704M; 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 These test methods cover sampling and testing of structural cementitious panels. Structural cementitious panels are
non-combustible, water durable, fiber reinforced inorganic composite panels intended for use as structural panels when fastened
to supports spaced in accordance with the span rating in inches.
1.2 These test methods are utilized in evaluating products cited in Specification C1705/C1705M.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.4 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.
2. Referenced Documents
2.1 ASTM Standards:
C1705/C1705M Specification for Structural Cementitious Panels
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 cross machine direction (XMD), n—the direction perpendicular to the machine direction.
3.1.2 edge, n—Edgesedges of a panel refer to the long side of a rectangular panel. For example, on a 4 by 8 ft panel, the edges
refer to the sides of the panel that are 8 ft long.
3.1.3 end, n—Thethe end of a panel refers to the short side of a rectangular panel. For example, on a 4 by 8 ft panel, the end
refers to the side of the panel that is 4 ft long.
3.1.4 fiber reinforced inorganic composite, n—a composite material composed primarily of inorganic matrix materials
reinforced primarily with inorganic fibers. Inorganic aggregates may be combined with the inorganic matrix.
3.1.5 machine direction (MD), n—the direction the board travels during manufacture.
3.1.6 non-combustibility, adj—term intended to describe products that do not ignite and/or burn when subjected to fire. Test
methods are generally specified by reputable agencies such as ASTM, Factory Mutual, Underwriters Lab Inc., and so forth.
3.1.7 plant specification, n—Thethe plant specification is unique to each qualified product under a given performance standard.
The specification is used in the plant quality program as audited under the approved quality control program.
3.1.8 performance standard, n—a standard for products based on performance. Performance is measured by tests that
approximate end-use conditions.
3.1.9 qualification policy, n—policy that describes the procedures by which a plant may obtain span rating privileges for
performance-rated products policy.
3.1.10 quality assurance policy, n—policy covering the third-party auditing of plant’s quality control program.
This test method is under the jurisdiction of ASTM Committee C27 on Precast Concrete Products and is the direct responsibility of Subcommittee C27.40 on Glass Fiber
Reinforced Concrete.
Current edition approved Nov. 1, 2009April 1, 2016. Published December 2009May 2016. Originally approved in 2009. Last previous edition approved in 2009 as
C1704/C1704M – 09.C1704/C1704M – 09a. DOI: 10.1520/C1704_C1704M-09a. 10.1520/C1704_C1704M-09AR16
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1704/C1704M − 09a (2016)
3.1.11 reference value, n—the numerical value established for the plant specification for a given mechanical or physical
property.
3.1.12 sample average, n—the average test value, obtained by summing the observations and dividing by the number of tests.
3.1.13 sample panel, n—structural cementitious panel from which test specimens are cut and conditioned as necessary.
3.1.14 sample standard deviation, n—a measure of test variation, calculated as:
S 5= x 2 x /n /n 2 1 (1)
@ ~ ! #
( (
where:
S = sample standard deviation,
x = test observation, and
n = number of observations.
3.1.15 span rating, n—the recommended maximum center-to-center support spacing in inches for the specified end use under
normal use conditions.
3.1.16 specimen, n—the individual test piece cut from a sample panel.
3.1.17 structural cementitious panel, n—non-combustible, water durable, fiber reinforced inorganic composite panels intended
for use as structural panels.
3.1.18 test exposure condition, n—the condition to which a panel is subjected prior to test. Generally, such conditions are
referred to as the dry or wet conditions.
3.1.19 test specimen, n—specimens cut from a sample panel that are used for testing.
3.1.20 water durability, n—performance of a product after sustained immersion in water for a specified period of time.
4. Sampling and Inspection
4.1 Panel samples shall be selected in sufficient quantity to enable statistical analysis. Test specimens prepared from panel
samples shall be sufficient in number to enable statistical analysis.
5. Test Methods
5.1 Water Absorption:
5.1.1 Significance and Use—This is routine test. The values are relative. The test is made to determine the tendency of a product
to absorb water and determine uniformity of the product.
5.1.2 Procedure—Specimens shall be cut from sample panels at or before 28 days after manufacture (wet cast). Specimens shall
be minimum 4 by 4 in. (101.6 by 101.6 mm)mm). Specimens shall be cut from the interior area of each sample panel in such a
manner that no edge of a specimen is less than 3 in. (76.2 mm) from the original edges of the sample panel. The specimens will
1 1
be equilibrium conditioned by placing them for at least four days (thickness < ⁄2 in. (12 mm)) or at least seven days (thickness ≥ ⁄2
in. (12 mm)) in a controlled atmosphere of 73 6 4°F (23 6 2°C) and 50 6 5 % relative humidity and in such a manner that all
faces are adequately ventilated. The length of time specimens were equilibrium conditioned shall be recorded. Record the initial
weight of each specimen. Submerge the specimens horizontally in 1 in. (25.4 mm) of distilled or deionized water, maintained at
a temperature of 70 65°F. Position the specimens so that they do not lie flat on the bottom of the container by placing shims
underneath the specimens. Ensure that water can reach all faces of the specimens. Remove the specimens from water after 48 6
2 h. Blot the specimens dry until no free moisture is visible on the surface. A minimum of four specimens shall be prepared. Record
the weight of each specimen.
5.1.3 Calculation and Report—Calculate the water absorption for each specimen using the following equation:
W 5 W 2 W /W ·100 (2)
~ !
A W I I
where:
W = water absorption (%),
A
W = wet weight of specimen, lb (g), and
W
W = initial weight of specimen, lb (g).
I
5.1.3.1 The average water absorption of the specimens shall be the arithmetic mean value obtained from testing the four
specimens. Report the arithmetic mean of the complete specimen set.
5.1.4 Precision and Bias:
5.1.4.1 Precision—The precision of the water absorption test procedure in this standard is being determined.
5.1.4.2 Bias—The bias for the water absorption test procedure in this standard is being determined.
5.2 Density:
5.2.1 Significance and Use—This is routine test. The values are relative. The test is made to determine the density of the product
and determine uniformity of the product.
C1704/C1704M − 09a (2016)
5.2.2 Procedure—Specimens shall be cut from test panels at or before 28 days after manufacture (wet cast). Specimens shall
be minimum 4 by 4 in. (101.6 by 101.6 mm)mm). Specimens shall be cut from the interior area of each sample panel in such a
manner that no
...