{"id":3193,"date":"2025-10-31T10:11:02","date_gmt":"2025-10-31T09:11:02","guid":{"rendered":"https:\/\/jureknawrocki.com\/?p=3193"},"modified":"2026-02-24T12:07:01","modified_gmt":"2026-02-24T11:07:01","slug":"dynamika-autopipe-czy-caesar-cz-iv","status":"publish","type":"post","link":"https:\/\/jureknawrocki.com\/en\/dynamika-autopipe-czy-caesar-cz-iv\/","title":{"rendered":"Dynamics: AutoPipe or Caesar Part IV"},"content":{"rendered":"<p>In this thread, I've briefly strayed into statics modules. In this post, I'll address the displacement of pipeline supports during an earthquake. In B31E, there's a clear requirement (shall) to perform static or dynamic calculations.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"440\" height=\"125\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/5.webp\" alt=\"\" class=\"wp-image-3212\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/5.webp 440w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/5-300x85.webp 300w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/5-18x5.webp 18w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/figure>\n\n\n\n<p>In B31.3 it is also presented in this way, except that there is no mention of the movement of supports during an earthquake. <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"357\" height=\"158\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/4.webp\" alt=\"\" class=\"wp-image-3213\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/4.webp 357w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/4-300x133.webp 300w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/4-18x8.webp 18w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/figure>\n\n\n\n<p>EN 13480-3, however, uses a more lenient statement (should). Such analyses are typically described with the acronym SAM \u2013 Seimic Anchor Movement, although they apply not only to fixed points but also to supports with line guise and line stop functions. Of course, they do not apply to rest functions.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"622\" height=\"191\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/6.webp\" alt=\"\" class=\"wp-image-3214\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/6.webp 622w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/6-480x147.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 622px, 100vw\" \/><\/figure>\n\n\n\n<p>First, I'll return to the SAM static analysis, which is the most common approach. The decision to use statics or dynamics is left to the designer. The model looks as follows: The entire structure is divided into three SIB (Seismic Interface Barrier) segments, the horizontal section being the viaduct, and the vertical section being the approach to the building. <\/p>\n\n\n\n<p>Pipe specification: DN 100 (4'), 6.02mm (STD). The medium is water. A horizontal seismic acceleration of 0.2g and a vertical seismic acceleration of 0.1g was assumed. The vertical section height was 8m. The temperature was 100C and the pressure was 1 MPa. The seismic displacement was determined according to applicable rules, which I will not describe now: NSEW overpass level = 5mm, NSEW building entrance level = 40mm. No seismic rotation at the supports was assumed.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/2-1024x578.webp\" alt=\"\" class=\"wp-image-3200\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/2-1024x578.webp 1024w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/2-980x553.webp 980w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/2-480x271.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/figure>\n\n\n\n<p>To verify that the correct directions have been chosen, it's worth viewing the displacement results. If all is well, the SIBs will change their displacement direction. <\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1021\" height=\"261\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/7.webp\" alt=\"\" class=\"wp-image-3216\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/7.webp 1021w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/7-980x251.webp 980w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/7-480x123.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1021px, 100vw\" \/><\/figure>\n\n\n\n<p>The result of the static SAM analysis in AutoPipe for the fixed point upstream of SIB 1 is as follows. The code stress is 40.8 MPa. <\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"603\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/8-1024x603.webp\" alt=\"\" class=\"wp-image-3219\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/8-980x577.webp 980w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/8-480x283.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/figure>\n\n\n\n<p>Regarding Caesar, the situation is less convenient. All seismically movable supports must be equipped with Cnodes. For the same point, the stress was 47.6 MPa. <\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"276\" src=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/9-1024x276.webp\" alt=\"\" class=\"wp-image-3220\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/9-980x264.webp 980w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/9-480x129.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>W tym w\u0105tku na chwil\u0119 odesz\u0142em w stron\u0119 modu\u0142\u00f3w statyki. W tym wpisie zajm\u0119 si\u0119 tematem przemieszczeniem podpar\u0107 rurociag\u00f3w podczas trz\u0119sienia ziemi. W B31E jest wyra\u017any obowi\u0105zek (shall) wykonania oblicze\u0144 statycznych lub dynamicznych. W B31.3 jest to te\u017c tak uj\u0119te, tyle tylko, \u017ce nie ma tam mowy o ruchu podp\u00f3r podczas trz\u0119sienia ziemi. Natomiast w [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3131,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[123,15],"tags":[105,122,16],"class_list":["post-3193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-obliczenia-wytrzymalosciowe-rur-i-aparatow","category-projekty","tag-autopipe","tag-caesar-ii","tag-naprezenia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dynamika: AutoPipe czy Caesar cz.IV - Jerzy Nawrocki<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jureknawrocki.com\/en\/dynamika-autopipe-czy-caesar-cz-iv\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dynamika: AutoPipe czy Caesar cz.IV - Jerzy Nawrocki\" \/>\n<meta property=\"og:description\" content=\"W tym w\u0105tku na chwil\u0119 odesz\u0142em w stron\u0119 modu\u0142\u00f3w statyki. W tym wpisie zajm\u0119 si\u0119 tematem przemieszczeniem podpar\u0107 rurociag\u00f3w podczas trz\u0119sienia ziemi. W B31E jest wyra\u017any obowi\u0105zek (shall) wykonania oblicze\u0144 statycznych lub dynamicznych. W B31.3 jest to te\u017c tak uj\u0119te, tyle tylko, \u017ce nie ma tam mowy o ruchu podp\u00f3r podczas trz\u0119sienia ziemi. 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Jerzy Nawrocki","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/jureknawrocki.com\/en\/dynamika-autopipe-czy-caesar-cz-iv\/","og_locale":"en_GB","og_type":"article","og_title":"Dynamika: AutoPipe czy Caesar cz.IV - Jerzy Nawrocki","og_description":"W tym w\u0105tku na chwil\u0119 odesz\u0142em w stron\u0119 modu\u0142\u00f3w statyki. W tym wpisie zajm\u0119 si\u0119 tematem przemieszczeniem podpar\u0107 rurociag\u00f3w podczas trz\u0119sienia ziemi. W B31E jest wyra\u017any obowi\u0105zek (shall) wykonania oblicze\u0144 statycznych lub dynamicznych. W B31.3 jest to te\u017c tak uj\u0119te, tyle tylko, \u017ce nie ma tam mowy o ruchu podp\u00f3r podczas trz\u0119sienia ziemi. 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