The two standards are performance based and are written to ensure that structures, systems, and components SSCs designed and evaluated in accordance with their provisions meet target performance goals that vary as a function of the seismic design basis. Also, ANS 2. Some design criteria have been removed, simplified, or provided by reference to other codes and standards. In fact, such a comparison is misleading and inappropriate because the procedures for formulating the performance goals in the two Standards are fundamentally different, namely, performance is judged in ASCE 7 at the system level building collapse requires the failure of multiple building components whereas performance is judged in ASCE 43 at the component level. This approach can still be used. It also includes a different formulation for the nominal shear stress of unreinforced concrete, which has been updated from that in ACI to account for the effects of section depth, longitudinal reinforcement ratio, and non-exceedance probability on shear strength required of safety-related nuclear structures.
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Price USD. Secure PDF. Single User. Need it fast? Ask for rush delivery. Most backordered items can be rushed in from the publisher in as little as 24 hours. Some rush fees may apply. Add to Cart. View Full Details and Buy. Complementary Documents and Links:. Notation, definitions, guidelines, and commentary material are included. A graded approach is used in developing the seismic design criteria presented in this Standard. The intent is to control the design process such that the performance of the SSC related to safety and environmental protection is acceptable.
Target quantitative performance goals decrease in annual probability of exceeding acceptable behavior limits as the SDC increases from 1 to 5.
At Limit State A, large deformation and significant structural damage are acceptable. At Limit State D, no damage and essentially elastic behavior are the goal. Limit States B and C are at intermediate levels of acceptable structural damage. These design provisions include specified levels of inelastic energy absorption, structural damping, structural capacity, and material strength. These design provisions also specify that seismic analyses are to conform to ASCE 4 and provide requirements for ductile detailing.
An integral part of the seismic design criteria given in the Standard are Quality Assurance QA measures and independent peer review. QA measures and the involvement of peer review are expected to take place throughout the design process, beginning with establishment of the DBE and continuing through the seismic analysis and the design and detailing tasks associated with final seismic design.
QA measures and peer review, as addressed in Section 9. Table summarizes recommended earthquake design provisions for these SDCs. Specific provisions are described in detail in Sections 2. Design procedures specified in this Standard conform closely to common practices.
The intended users of this Standard are the civil, mechanical, and structural engineers conducting the design of nuclear facilities. Browse Publishers. Top Sellers. My Account. Corporate Sustainability. Investor Relations. All Rights Reserved. Update Cart. Create New Account.
ASCE 43 – Changes to the Upcoming Revision 2018
Nuclear facilities must have a lower probability that structural damage will be caused by earthquakes than do conventional facilities because of the potential risk associated with nuclear facilities can withstand the effects of earthquake ground shaking with the desired performance. This Standard will be of use to any designers or analysis involved in the design of new nuclear structures, systems, or components. Your Alert Profile lists the documents that will be monitored. If the document is revised or amended, you will be notified by email.