ACI ITG-4.1-2007
中强地震应用中的高强度混凝土规范

Specification for High-Strength Concrete in Moderate to High Seismic Applications

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标准号

ACI ITG-4.1-2007

发布

2007年

发布单位

ACI - American Concrete Institute

 

 

适用范围

"General??This specification covers normalweight@ high-strength concrete in structures that must be designed for moderate to high seismic applications. More specifically@ this specification applies to structures: ? Located in Seismic Zones 2@ 3@ or 4 defined by the Uniform Building Code; ? Assigned to Seismic Performance Categories C@ D@ or E of the BOCA/National Building Code (1993 and subsequent editions) or the Standard Building Code (1994 or subsequent editions); or ? Seismic Design Categories C@ D@ E@ or F of the International Building Code or the National Fire Protection Association (NFPA) 5000 Building Construction and Safety Code. Irrespective of seismic zone@ seismic performance@ or seismic design category@ this specification shall apply to normalweight@ high-strength concrete in intermediate or special moment frames and intermediate or special structural walls as defined in ACI 318-05. Supplemental specification??This specification supplements ""Specifications for Structural Concrete (ACI 301-05)"" by providing more restrictive selected requirements when high-strength concrete is used in moderate to high seismic applications. The requirements of ACI 301-05 shall apply unless otherwise specified in this specification. High-strength concrete??Unless otherwise specified@ high-strength concrete is defined as concrete having a specified compressive strength for design of 6000 psi (41 MPa) or greater. Dual units??The values stated in inch-pound or SI units shall be regarded separately as standard. The SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore@ each system shall be used independently of the other."

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