Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM E3090/E3090M-19
Năm ban hành 2019
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Test Methods for Strength Properties of Metal Ceiling Suspension Systems
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 9
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 These test methods cover metal ceiling suspension systems used primarily to support acoustical tile, acoustical lay-in panels, or suspended T-bar type ceiling systems. 1.2 These test methods cover the determination of strength properties of suspended ceiling grid system components as follows: Tests Subsections Load Carrying Capacity 5.1 Connection Strength in Tension 5.2.2; 5.2.4 Connection Strength in Compression 5.2.3; 5.2.5 Wire Pullout Resistance 5.3 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 are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 1.4 The following safety hazards caveat pertains only to the test methods described in this specification. 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. 1.5 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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