ASTM C1242-23c PDF
Standard Guide for Selection, Design, and Installation of Dimension Stone Attachment Systems
Standard Guide for Selection, Design, and Installation of Dimension Stone Attachment Systems
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 23
- Дата публикации:
- 15 ноября 2023 г.
- Издание:
- C1242
- ICS:
- 93.020
SIGNIFICANCE AND USE 4.1 This guide is intended to be used by architects, engineers, and contractors who either design or install exterior stone cladding for architectural structures. 4.2 This guide is an industry standard for engineering design considerations, documentation, material considerations, anchor type applications, and installation workmanship to assist designers and installers to achieve a proper and durable stone cladding. 4.3 Stone and its support systems are part of a building's skin and shall be compatible with the behavior and performance of other interfacing systems, such as the curtainwall and superstructure frame. 4.3.1 Every stone work application shall comply with applicable building codes. 4.3.2 It is not the intent of this guide to supersede published recommendations for specific stone types. Provisions of other dimension stone industry publications should be reviewed and considered in addition to this guide's recommendations. All industry information should be considered with respect to project specifications and requirements. If provisions of such publications differ from those in this guide, it is acceptable practice to follow the publication's provisions if recommended by the stone specialist defined in 4.4 for the specific conditions of the individual project. 4.3.3 Because stone properties vary, the range and variability of pertinent properties of the stone proposed for use should be determined by testing and statistical methods that are evaluated using sound engineering principles. Use recent test data where applicable. Always reference proven performance of relevant existing structures. 4.3.4 Changes in properties over time shall be considered. 4.3.5 Overall behaviors of all building systems and components including the stone shall be interactively compatible. 4.4 Stone Specialist—Some conditions require professional expertise to select and plan a proper anchoring system, establish appropriate testing requirements, interpret tests,... 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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. FIG. 1 Rod and Plug Anchor FIG. 2 Adhesive Embedded Threaded Anchor FIG. 3 Point Loading Prevention FIG. 3 Point Loading Prevention (continued) FIG. 4 Disc Anchor FIG. 5 Combined Anchor 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. (See Tables 1 and 2.) 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for th...
Abstract
Overview
ASTM C1242-23c – Standard Guide for Selection, Design, and Installation of Dimension Stone Attachment Systems provides comprehensive guidance for architects, engineers, and contractors involved in designing and installing exterior stone cladding systems. This industry-standard reference outlines key engineering design considerations, proper documentation, material selection, anchor type applications, and installation practices to ensure the performance, durability, and safety of dimension stone cladding in architectural structures. The guide is essential for aligning stone attachment systems with building codes, proven engineering principles, and the overall compatibility with other building envelope systems like curtainwalls and structural frames.
Key Topics
ASTM C1242-23c addresses critical aspects of dimension stone attachment systems, including:
- Design Principles: Considerations for selecting anchor systems that effectively resist gravity and applied loads, tailored to the specific stone type and building requirements.
- Anchor Types: Guidance on anchoring stone panels directly to building structures, subframes, or curtainwall systems, as well as the use of rod and plug anchors, adhesive-embedded threaded anchors, disc anchors, combined anchors, and undercut anchors.
- Material Considerations: Emphasis on selecting appropriate materials for anchors, subframes, and stone types, considering factors like corrosion resistance, compatibility, and durability.
- Testing and Documentation: Recommendations to assess the variability of stone properties through standardized testing methods. This supports appropriate safety factors and ensures selections are based on reliable, current test data.
- Installation Workmanship: Best practices for fabricating, supervising, and inspecting installation processes to achieve robust and long-lasting stone cladding.
- System Compatibility: Ensuring the stone cladding system interacts appropriately with adjoining facade components, accounting for differential movements, structural tolerances, and environmental impacts.
- Building Code Compliance: Emphasizes the need to adhere to all relevant model building codes, manufacturers' recommendations, and related technical standards.
- Role of Specialists: Recognizing when the expertise of a stone specialist is needed for complex conditions or engineering challenges.
Applications
ASTM C1242-23c is applicable to various construction scenarios, including:
- Commercial and Institutional Buildings: For exterior stone cladding on high-rise or mid-rise office buildings, universities, hospitals, and public spaces.
- Facade Renovation and Restoration: Assists professionals in upgrading existing stone facades or conducting repairs while ensuring anchor system integrity.
- Curtainwall and Hybrid Systems: Guidance for integrating stone panels with curtainwalls and subframe systems, supporting both new construction and retrofits.
- Custom Architectural Features: Useful for unique facade elements such as stone columns, arches, or soffits that require tailored anchorage solutions.
- Quality Assurance and Inspection: QA/QC teams, project managers, and inspectors use the standard as a reference to ensure installation adheres to best practices and documented requirements.
By following ASTM C1242-23c, project teams ensure their dimension stone attachment systems are structurally sound, aesthetically durable, and compliant with international standards and codes.
Related Standards
To achieve comprehensive project success with dimension stone attachment systems, consider the following related ASTM standards:
- ASTM C97/C97M: Absorption and Bulk Specific Gravity of Dimension Stone
- ASTM C99/C99M: Modulus of Rupture of Dimension Stone
- ASTM C170/C170M: Compressive Strength of Dimension Stone
- ASTM C1201/C1201M: Structural Performance of Exterior Dimension Stone Cladding Systems
- ASTM C1354/C1354M: Strength of Individual Stone Anchorages in Dimension Stone
- ASTM C615/C615M, C568/C568M, C503/C503M: Material specifications for granite, limestone, and marble dimension stones
Reviewing and applying these related standards alongside ASTM C1242-23c ensures robust engineering decisions, reliable anchorage selection, durable installation, and consistent compliance with the best practices for dimension stone cladding systems.
Технические детали
- Технический комитет
- C18 - Dimension Stone
- SKU
- ASTM C1242-23c
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