{"id":380587,"date":"2024-10-20T03:07:32","date_gmt":"2024-10-20T03:07:32","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-ntb-4-2021\/"},"modified":"2024-10-26T05:39:55","modified_gmt":"2024-10-26T05:39:55","slug":"asme-ntb-4-2021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-ntb-4-2021\/","title":{"rendered":"ASME NTB 4 2021"},"content":{"rendered":"

The purpose of this document is to provide background information on the scope, development, and verification of elevated-temperature design and construction rules as defined in the ASME Boiler and Pressure Vessel Code (\u201cBPVC\u201d), Section III Rules for Construction of Nuclear Facility Components, Division 5 High Temperature Reactors Subsection HH, Class A Nonmetallic Core Support Structures, Subpart A Graphite Materials, 2017 edition. The general requirements applicable to nonmetallic core components are discussed in BPVC Subsection HA General Requirements, Subpart B, Graphite Materials.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nTABLE OF CONTENTS <\/td>\n<\/tr>\n
5<\/td>\nFOREWORD <\/td>\n<\/tr>\n
6<\/td>\nABBREVIATIONS AND ACRONYMS <\/td>\n<\/tr>\n
7<\/td>\n1 INTRODUCTION <\/td>\n<\/tr>\n
8<\/td>\nTables
Table 1: Comparison of the Behavior of Steels and Nuclear Graphite <\/td>\n<\/tr>\n
10<\/td>\n2 CODE APPROACH <\/td>\n<\/tr>\n
12<\/td>\nFigures
Figure 1: JAEA Methodology: (a) Design Stress Limit for Core Support Graphite and (b) Fracture Probability Density Function <\/td>\n<\/tr>\n
13<\/td>\nFigure 2: Proposed ASME CE-3550-1 Service Categories and Stress Intensity Levels <\/td>\n<\/tr>\n
14<\/td>\nTable 2: Safety Margins for Core Support Structures (In Tensile Loading)
Figure 3: Illustration of Design Margin <\/td>\n<\/tr>\n
15<\/td>\nTable 3: Design Allowable Probability of Failure
Figure 4: Design Allowable Stresses Flowchart for SRC-1 <\/td>\n<\/tr>\n
16<\/td>\nFigure 5: Schematic of Simplified Assessment Methodology (CDF) <\/td>\n<\/tr>\n
17<\/td>\nFigure 6: Schematic of Full Assessment Methodology (CDF)
Figure 7: Weibull Probability Failure Prediction with the Full Assessment Method (PDF) <\/td>\n<\/tr>\n
18<\/td>\nFigure 8: Typical Graphite Core Component Design Sequence <\/td>\n<\/tr>\n
19<\/td>\nFigure 9: Typical Graphite Core Component Design Sequence (Continued) <\/td>\n<\/tr>\n
20<\/td>\n3 GRAPHITE STRENGTH <\/td>\n<\/tr>\n
22<\/td>\n4 CODE VERIFICATION <\/td>\n<\/tr>\n
24<\/td>\nTable 4: Set of Verification Problems (VP) <\/td>\n<\/tr>\n
26<\/td>\nFigure 10: Comparison of Predicted and Experimental Mean Failure Load for Verification Problems <\/td>\n<\/tr>\n
27<\/td>\nFigure 11: Comparison of Experimental Mean Failure Load and Code-Allowable Loads for Verification Problems <\/td>\n<\/tr>\n
28<\/td>\n5 SUMMARY <\/td>\n<\/tr>\n
29<\/td>\nREFERENCES <\/td>\n<\/tr>\n
32<\/td>\nAPPENDIX A <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ASME NTB-4 – 2021 Background Information for Addressing Adequacy of Optimization of ASME BPVC Section III, Division 5 Rules for Nonmetallic Core Components<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASME<\/b><\/a><\/td>\n2021<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":380595,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2643],"product_tag":[],"class_list":{"0":"post-380587","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asme","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/380587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/380595"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=380587"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=380587"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=380587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}