ASTM C1242-03a
(Guide)Standard Guide for Selection, Design, and Installation of Exterior Dimension Stone Anchors and Anchoring Systems
Standard Guide for Selection, Design, and Installation of Exterior Dimension Stone Anchors and Anchoring Systems
SCOPE
1.1 This guide covers the categories of anchors and anchoring systems and discusses the design principles to be considered in selecting anchors or systems that will resist gravity loads and applied loads.
1.2 This guide sets forth basic requirements for the design of stone anchorage and provides a practical checklist of those design considerations.
1.3 This guide pertains to:
1.3.1 The anchoring of stone panels directly to the building structure for support,
1.3.2 The anchoring of stone panels to subframes or to curtainwall components after these support systems are attached to the building structure,
1.3.3 The anchoring of stone panels to subframes or to curtainwall components with stone cladding preassembled before these support systems are attached to the building structure, and
1.3.4 The supervision and inspection of fabrication and installation of the above.
1.4 Observe all applicable regulations, specific recommendations of the manufacturers, and standards governing interfacing work.
1.5 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.
1.6 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. (See Tables 1 and 2.)
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Designation: C 1242 – 03a
Standard Guide for
Selection, Design, and Installation of Dimension Stone
1
Anchoring Systems
This standard is issued under the fixed designation C 1242; 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.
INTRODUCTION
Natural building stone is chosen as a building’s cladding for its beauty which endures with minimal
maintenance. Stone is durable when used properly. Exercising good judgment when selecting the
particular stone, determining the quarrying and fabrication techniques, designing the method of
attachment, and installing all components correctly maximizes these benefits. A properly executed
stone cladding is designed and installed within the capabilities and limitations of the stone and support
system to resist all forces that work on them.
This guide presents design principles that require consideration when designing anchorages and
evaluating exterior stone to be compatible with its proposed use. It is an overview of current
techniques and a review of minimum requirements for sound stone engineering and construction. The
guide does not list all possible methods of attachment nor does it provide a step-by-step procedure for
stone anchor engineering. Knowledge gained from new engineering designs, testing of applications,
and the investigation of existing problems are continually reviewed to update this guide. Comment
from users is encouraged.
Good judgment by architects, engineers, and contractors when specifying, designing, engineering,
and constructing stone and other work that interfaces stone is necessary to use this guide. Users of this
guide should combine known performance characteristics of the stone, the building’s structural
behavior, and knowledge of materials and construction methods with proven engineering practice.
1. Scope 1.3.2 The anchoring of stone panels to subframes or to
curtainwall components after these support systems are at-
1.1 This guide covers the categories of anchors and anchor-
tached to the building structure,
ing systems and discusses the design principles to be consid-
1.3.3 The anchoring of stone panels to subframes or to
ered in selecting anchors or systems that will resist gravity
curtainwall components with stone cladding preassembled
loads and applied loads.
before these support systems are attached to the building
1.2 This guide sets forth basic requirements for the design
structure, and
of stone anchorage and provides a practical checklist of those
1.3.4 The supervision and inspection of fabrication and
design considerations.
installation of the above.
1.3 This guide pertains to:
1.4 Observe all applicable regulations, specific recommen-
1.3.1 The anchoring of stone panels directly to the building
dations of the manufacturers, and standards governing inter-
structure for support,
facing work.
1.5 The values stated in inch-pound units are to be regarded
1
This guide is under the jurisdiction of ASTM Committee C18 on Dimension
as the standard. The SI units given in parentheses are for
Stone and is the direct responsibility of Subcommittee C18.06 on Anchorage
information only.
Components and Systems.
Current edition approved Dec. 1, 2003. Published January 2004. Originally
approved in 1993. Last previous edition approved in 2002 as C 1242 – 03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 1242 – 03a
TABLE 2 Dimension Stone Test Methods
1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the Measures ASTM Test Method
responsibility of the user of this standard to establish appro-
liquid porosity and relative density C 97
combined shear with tensile unit strength from bending C 99
priate safety and health practices and determine the applica-
ultimate crushing unit strength C 170
bility of regulatory limitations prior to use. (See Tables 1 and
primary tensile unit strength from bending C 880
2.)
capacity and deflections of panels assembled with C 1201
their anchors onto their supporting backup structure
individual anchor stength C 1354
2. Referenced Documents
accelerated production of service life E 632
2
2.1 ASTM Standards:
C 97 Test Methods for Absorption and Bulk Specific Grav-
3.2 Specific definitions used in the design process are listed
ity of Dimension Stone
in 8.4.
C 99 Test Method for Modulus of Rupture of Dimension
Stone
4. Significance and Use
C 119 Terminology Relating to Dimension Stone
4.1 This guide is intended to be used by architect
...
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