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ASTM C73-99a

(Specification)

Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)

Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)

SCOPE
1.1 This specification covers brick made principally from sand and lime and intended for use in brick masonry. Two grades of brick are covered:  
1.1.1 Grade SW -Brick intended for use where exposed to temperature below freezing in the presence of moisture.  
Note 1-As a typical example, brick used for foundation courses and parapets in the northeastern quarter of the United States should conform to Grade SW.  
1.1.2 Grade MW -Brick intended for use where exposed to temperature below freezing but unlikely to be saturated with water.  
Note 2-As a typical example, brick exposed in the face of the wall other than parapet or foundations, or brick intended for structures located in regions of the United States characterized by less severe frost action or by drier climate than is found in the northeastern quarter of the United States should conform to Grade MW.  
1.1.3 When the term brick is used in this specification, it should be understood to mean brick or solid masonry units.  
1.2 If brick having a particular color, texture, finish, or uniformity is desired, these features should be specified separately by the purchaser.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

General Information

Status
Historical
Publication Date
09-Nov-1999
ICS
91.100.15 - Mineral materials and products
Technical Committee
C15 - Manufactured Masonry Units
Drafting Committee
C15.03 - Concrete Masonry Units and Related Units
Current Stage
Ref Project

Relations

Replaced By
ASTM C73-05 - Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)
Effective Date
15-May-2005
Referred By
ASTM C140/C140M-23 - Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
Effective Date
10-Nov-1999
Referred By
ASTM C744-21 - Standard Specification for Prefaced Concrete and Calcium Silicate Masonry Units
Effective Date
10-Nov-1999
Referred By
ASTM C1232-21a - Standard Terminology for Masonry
Effective Date
10-Nov-1999

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ASTM C73-99a - Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)ASTM C73-99a - Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)
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ASTM C73-99a - Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)
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Standards Content (Sample)

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 73 – 99a
Standard Specification for
1
Calcium Silicate Brick (Sand-Lime Brick)
ThisstandardisissuedunderthefixeddesignationC 73;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
TABLE 1 Physical Requirements
1. Scope *
Compressive Strength
1.1 This specification covers brick made principally from
min, psi (MPa), (brick Water
sand and lime and intended for use in brick masonry. Two
tested flatwise) average
Absorption,
Designation
grades of brick are covered: gross area max
3 3
lb/ft (kg/m )
Average of Individual
1.1.1 Grade SW—Brick intended for use where exposed to
3 Brick Brick
temperature below freezing in the presence of moisture.
Grade SW 5500 (37.9) 4500 (31.0) 15 (240)
Grade MW 3500 (24.1) 3000 (20.7) 18 (288)
NOTE 1—As a typical example, brick used for foundation courses and
parapets in the northeastern quarter of the United States should conform
to Grade SW.
2
1.1.2 Grade MW—Brick intended for use where exposed to C 1232 Terminology of Masonry
temperature below freezing but unlikely to be saturated with
3. Terminology
water.
3.1 Terminology defined in Terminology C 1209 and Ter-
NOTE 2—As a typical example, brick exposed in the face of the wall
minology C 1232 shall apply for this specification.
other than parapet or foundations, or brick intended for structures located
in regions of the United States characterized by less severe frost action or
4. Physical Requirements
by drier climate than is found in the northeastern quarter of the United
States should conform to Grade MW.
4.1 The brick shall conform to the physical requirements for
the grade specified, as prescribed in Table 1.
1.1.3 When the term brick is used in this specification, it is
4.2 Unless otherwise specified by the purchaser, brick of
understood to mean brick or solid masonry units.
Grades SW and MW shall be accepted. Grade SW shall be
1.2 If brick having a particular color, texture, finish, or
accepted in lieu of Grade MW.
uniformity is desired, these features shall be specified sepa-
rately by the purchaser.
5. Dimensions and Permissible Variations
1.3 The text of this standard references notes and footnotes
5.1 The size of brick shall be as specified by the purchaser
which provide explanatory material. These notes and footnotes
and the average size of brick furnished shall approximate the
(excluding those in tables and figures) shall not be considered
size specified in the invitation for bids.
as requirements of the standard.
5.2 No overall dimension (width, height, and length) shall
1.4 The values stated in inch-pound units are to be regarded
1
differ by more than 6 ⁄8 in. (3.2 mm) from the specified
as the standard. The values given in parentheses are for
standard dimension. The width requirement does not apply to
information only.
textured finishes such as split or rocked faces. Standard
2. Referenced Documents dimensions of units are the manufacturer’s designated dimen-
sions.
2.1 ASTM Standards:
C 140 Test Methods for Sampling and Testing Concrete
6. Finish andAppearance
2
Masonry Units and Related Units
6.1 All units shall be sound and free of cracks or other
C 1209 Terminology of Concrete Masonry Units and Re-
2
defects that interfere with the proper placement of the unit or
lated Units
significantlyimpairthestrengthorpermanenceoftheconstruc-
tion. Minor cracks incidental to the usual methods of manu-
1
facture, or minor chipping resulting from customary methods
This specification is under the jurisdiction of ASTM Committee C-15 on
Manufactured Masonry Units and is the direct responsibility of Subcommittee
of handling in shipment and delivery are not grounds for
C15.03 on Concrete Masonry Units and Related Units.
rejection.
Current edition approved Nov. 10, 1999. Published January 2000. Originally
6.2 Where units are to be used in exposed wall construction,
published as C 73–28T. Last previous edition C 73–99.
2
Annual Book of ASTM Standards, Vol 04.05. the face or faces that are to be exposed shall not show chips or
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C73
cracks not otherwise permitted or other imperfections, when 7.2 Sample and test units in accordance with Test Methods
viewed from a distance of not less than 20 ft (6.1 m) under C 140.
diffused light.
8. Compliance
6.2.1 Five percent of a shipment containing chips, not larger
8.1 If a sample fails
...

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This specification covers brick made principally from sand and lime and intended for use in brick masonry. Two grades of brick are covered: grade SW - brick intended for use where exposed to temperature below freezing in the presence of moisture, grade MW - brick intended for use where exposed to temperature below freezing but unlikely to be saturated with eater. The brick shall conform to the physical requirements for the grade specified, as prescribed. All units shall be sound and free of cracks or other defects that interfere with the proper placement of the unit or significantly impair the strength or permanence of the construction.
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1.1 This specification covers brick made principally from sand and lime and intended for use in brick masonry. Two grades of brick are covered:  
1.1.1 Grade SW—Brick intended for use where exposed to temperature below freezing in the presence of moisture.  
Note 1: As a typical example, brick used for foundation courses and parapets in the northeastern quarter of the United States should conform to Grade SW.  
1.1.2 Grade MW—Brick intended for use where exposed to temperature below freezing but unlikely to be saturated with water.  
Note 2: As a typical example, brick exposed in the face of the wall other than parapet or foundations, or brick intended for structures located in regions of the United States characterized by less severe frost action or by drier climate than is found in the northeastern quarter of the United States should conform to Grade MW.  
1.1.3 When the term brick is used in this specification, it is understood to mean brick or solid masonry units.  
1.2 If brick having a particular color, texture, finish, or uniformity is desired, these features shall be specified separately by the purchaser.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.4 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.  
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1.5.1 This standard and its individual requirements shall not be used to qualify or corroborate the performance of a masonry unit made from other materials, or made with other forming methods, or other means of binding the materials.  
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1.7 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
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1.5 Three grades of brick are covered.  
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This specification deals with the standards for bricks, having a ceramic glaze finish fused to the body during the same process as the unit body firing, that are intended for use in masonry. These products are also proposed for use in supplying structural or facing components. This specification, however, doest not cover double-fired glazed brick. The bricks shall be available in two grades: grade S (standard) and grade SS (select sized). Two types and classes of bricks are also covered: type I (single-faced units) and type II (two-faced units); and class exterior and class interior. The glazed bricks shall also conform to the physical properties such as durability, strength and absorption requirements and freezing and thawing requirements.
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1.3 Glazed brick are prismatic units available in a variety of sizes, textures, colors, and shapes. Glazed brick are manufactured from clay, shale, or similar naturally occurring earthy substances and subjected to a heat treatment at elevated temperatures (firing). The heat treatment shall develop a fired bond between the particulate constituents to provide the strength and durability requirements of this specification (see Terminology C1232).  
1.4 Glazed brick are shaped during manufacture by molding, pressing, or extrusion, and the shaping method is a way to describe the brick.  
1.5 Glazed brick are classified into one of two grades, one of two types, one of two classes, and one of three divisions.  
1.6 Opacity of the glaze is not required unless specified by the purchaser.  
1.7 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.  
1.8 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.  
1.9 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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ASTM C1088-23(Specification)
Standard Specification for Thin Veneer Brick Units Made From Clay or Shale

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This specification covers thin veneer brick units made from clay, shale, fire clay, sand, or mixtures thereof, and fired to incipient fusion for use in adhered or fastened veneer applications. The brick units shall be available in both Grades Interior and Exterior of the following types: Type TBS (Standard), which are for general masonry use; Type TBX (Select), which are produced with higher degree of precision; and Type TBA (Architectural), which are selected to produce characteristic architectural effects resulting from nonuniformity in size and texture of the individual units. Materials shall undergo durability, and freezing and thawing tests and should adhere to physical property requirements such as maximum water absorption, maximum saturation coefficient, maximum water loss, breakage, cracking, and weathering index. Bricks should also conform to specified characteristics as to face finish, color and texture, size and dimensions, and warpage.
SCOPE
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1.5 Thin brick are shaped during manufacture by molding, pressing, or extrusion. The shaping method is a way to describe the thin brick. Thin brick may also be cut from thicker masonry units.  
1.5.1 This standard and its individual requirements shall not be used to qualify or corroborate the performance of a masonry unit made from other materials, or made with other forming methods, or other means of binding the materials.  
1.6 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.7 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.  
1.8 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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Standard Specification for Hollow Brick (Hollow Masonry Units Made From Clay or Shale)

ABSTRACT
This specification covers hollow building brick and hollow facing brick made from clay, shale, fire clay, or mixtures thereof, and fired to incipient fusion. Hollow brick shall be understood to mean hollow clay masonry units whose net cross-sectional area (solid area) in any plane parallel to the surface, containing the cores, cells, or deep frogs, is less than 75 % of its gross cross-sectional area measured in the same plane. The bricks are manufactured from clay, shale, or similar naturally occurring substances and subjected to a heat treatment at elevated temperatures (firing). The heat treatment shall develop sufficient fired bond between the particulate constituents to provide the strength and durability requirements specified. Bricks that are colored by flashing or textured by sanding, where sand does not form a continuous coating, shall not be considered as surface-colored brick. Hollow bricks require greater shell and web thicknesses and higher minimum compressive strength than structural clay tile, but permit greater void area and lesser distance from exposed edge to core hole than solid brick. Therefore, environmental and structural performance may be different in elements constructed of hollow brick from those constructed of structural clay tile or solid brick. The hollow bricks can be classified into Grades SW and MW according to their degree of resistance to frost action and disintegration by weathering. According to their physical properties, the bricks can be classified into Types HBS, HBX, HBA, and HBB. In terms of size of void areas or hollow spaces, the bricks can be designated into Classes H40V and H60V. The brick shall be free of defects, deficiencies, and surface treatments, including coatings, that would interfere with the proper laying of the brick or significantly impair the strength or performance of the construction. Physical properties like compressive strength, water absorption, saturation coefficient, breakage, and cracks shall be determined.
SCOPE
1.1 This specification covers hollow building brick and hollow facing brick made from clay, shale, fire clay, or mixtures thereof, and fired to incipient fusion; intended for use in masonry supplying structural and/or facing components to the structure. In this specification, the term hollow brick shall be understood to mean hollow clay masonry units whose net cross-sectional area (solid area) in any plane parallel to the surface containing the cores, cells, or deep frogs, is less than 75 % of its gross cross-sectional area measured in the same plane (see 4.3).  
1.2 The requirements of this specification apply at the time of purchase. The use of results from testing of brick extracted from masonry structures for determining compliance with the requirements of this specification is beyond the intent of this standard.  
1.3 This specification does not cover brick intended for use as paving brick (see Specification C902).  
1.4 Brick covered by this specification are ceramic products manufactured primarily from clay, shale, or similar naturally occurring substances and subjected to a heat treatment at elevated temperatures (firing). The heat treatment shall develop sufficient fired bond between the particulate constituents to provide the strength and durability requirements of this specification. Additives or recycled materials are permitted to be included at the option of the manufacturer. (See “firing” and “firing bond” in Terminology C1232.)  
1.4.1 This specification and its individual requirements shall not be used to qualify or corroborate the performance of a masonry unit made from other materials, or made with other forming methods, or other means of binding the materials.  
1.5 Four types of hollow brick in each of two grades and two classes are covered.  
1.6 Hollow brick differ from unglazed structural clay tile (Specifications C34 and C212) and solid brick (Specifications C62 and C216). Hollow brick require greater...

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