Topographic Effects in Strong Ground Motion - From Physical and Numerical Modeling to Design (NEES-2010-0977)

By Adrian Rodriguez-Marek1, Domniki Asimaki2, Brady Cox3, Miguel Pando4, Joseph Wartman5

1. Virginia Polytechnic Institute and State University, VA, United States 2. Georgia Institute of Technology, GA, United States 3. University of Texas at Austin, TX, United States 4. University of North Carolina at Charlotte, NC, United States 5. University of Washington, WA, United States

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Abstract

Title: Topographic Effects in Strong Ground Motion - From Physical and Numerical Modeling to Design (NEES-2010-0977)

Year Of Curation: 2014

Description: Topographic effects refer to the modification and amplification of seismic ground motion in the vicinity of topographic features such as hillsides, ridges, and canyons. This well-documented phenomenon has yet to be addressed in design codes. Because tectonics and topography are closely related, most seismically active regions of the world are marked by significant topographic relief. In recent decades, population growth and scarcity of undeveloped metropolitan land have changed urban land use patterns and placed an increasing number of people and infrastructure assets in areas susceptible to topographic effects during earthquakes. Although it is widely recognized that topographic amplification can elevate seismic risk, there is currently no consensus on how to reliably quantify its effects. Lack of consensus has precluded development of acceptable guidelines on how to account for this phenomenon in practice, thus leaving an important factor contributing to seismic hazard unaccounted for in routine design. Until now, a major impediment towards understanding and realistically modeling topographic effects has been the lack of a statistically significant number of seismic recordings from densely instrumented sites with topographic features. Moreover, while existing theoretical models are generally capable of qualitatively predicting the effects of irregular topographic features on seismic ground motion, there is still significant quantitative disagreement between predictions and observations. This research addresses this problem with a study of topographic amplification of ground motion that will include a comprehensive and integrated program of experimental simulations, field measurements, empirical data analysis, and numerical modeling. These research methods, applied together in a framework now made possible by NEES, will quickly and substantially advance the understanding of topographic effects. This new understanding will in turn permit the development of data- and analysis-driven guidelines to account for these effects in engineering design, building code provisions, and seismic risk and microzonation studies.

Award: http://www.nsf.gov/awardsearch/showAward?AWD_ID=0936543

PIs & CoPIs: Adrian Rodriguez-Marek, Domniki Asimaki, Brady Cox, Miguel Pando, Joseph Wartman, Joseph Wartman

Dates: October 01, 2009 - September 30, 2012

Organizations: Georgia Institute of Technology, GA, United States, University of North Carolina at Charlotte, NC, United States ,University of Texas at Austin, TX, United States , University of Washington, WA, United States,Virginia Polytechnic Institute and State University, VA, United States

Facilities: University of California, Davis, CA, United States, University of Texas at Austin, TX, United States

Sponsor: NSF - CMMI - 0936543 

Keywords: numerical simulations, Topographic effects, ground motions, field measurements, Surface wave testing, Centrifuge testing

Publications: "Field Investigation of Topographic Effects using Mine Seismicity" 

Cite this work

Researchers should cite this work as follows:

  • Adrian Rodriguez-Marek; Domniki Asimaki; Brady Cox; Miguel Pando; Joseph Wartman (2017), "Topographic Effects in Strong Ground Motion - From Physical and Numerical Modeling to Design (NEES-2010-0977)," https://datacenterhub.org/resources/14446.

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      WHERE `session_id` = '71407b7c653d829c1cdbe2a539b0592d'

26 Query Types Logged, Sorted by Occurrences.

SELECT Tables:
  1. 16 × SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
  2. 5 × SELECT *
      FROM `jos_users`
  3. 4 × SELECT *
      FROM `jos_resource_types`
  4. 2 × SELECT data
      FROM `jos_session`
  5. 1 × SELECT jos_answers_questions.*
      FROM `jos_answers_questions`
      INNER JOIN jos_tags_object
      ON jos_tags_object.objectid = jos_answers_questions.id
      INNER JOIN jos_tags
      ON jos_tags.id = jos_tags_object.tagid
  6. 1 × SELECT jos_resources.*,parent_id,jos_resource_assoc.ordering AS associative_ordering,jos_resource_assoc.grouping AS associative_grouping
      FROM `jos_resources`
      INNER JOIN jos_resource_assoc
      ON jos_resources.id = child_id
  7. 1 × SELECT k.*
      FROM ((SELECT DISTINCT w.id, w.title, w.pagename AS alias, v.pagetext AS introtext, NULL AS type, NULL AS published, NULL AS publish_up, w.scope, w.rating, w.times_rated, w.ranking, 'Topic' AS section
      FROM `jos_wiki_pages` AS w
      INNER JOIN `jos_wiki_versions` AS v
      ON w.version_id=v.id
      INNER JOIN `jos_wiki_links` AS wl
      ON wl.page_id=w.id
  8. 1 × SELECT m.id,m.title,m.module,m.position,m.content,m.showtitle,m.params,mm.menuid,e.protected
      FROM `jos_modules` AS `m`
      LEFT JOIN jos_modules_menu AS mm
      ON mm.moduleid = m.id
      LEFT JOIN jos_extensions AS e
      ON e.element = m.module
      AND e.client_id = m.client_id
  9. 1 × SELECT jos_tags_object.label,jos_tags.*
      FROM `jos_tags`
      INNER JOIN jos_tags_object
      ON jos_tags_object.tagid = jos_tags.id
  10. 1 × SELECT *
      FROM `jos_resource_sponsors`
  11. 1 × SELECT *
      FROM `jos_citations`
      INNER JOIN jos_citations_assoc
      ON jos_citations_assoc.cid = jos_citations.id
  12. 1 × SELECT *
      FROM `jos_resource_licenses`
  13. 1 × SELECT jos_tags.*
      FROM `jos_tags`
      INNER JOIN jos_tags_object
      ON jos_tags.id = jos_tags_object.tagid
  14. 1 × SELECT *
      FROM `jos_viewlevels
  15. 1 × SELECT b.id
      FROM `jos_usergroups` AS `a`
      LEFT JOIN jos_usergroups AS b
      ON b.lft <= a.lft
      AND b.rgt >= a.rgt
  16. 1 × SELECT session_id
      FROM `jos_session`
  17. 1 × SELECT folder AS type,element AS name,protected,params
      FROM `jos_extensions`
  18. 1 × SELECT m.id,m.menutype,m.title,m.alias,m.note,m.path AS route,m.link,m.type,m.level,m.language,m.browserNav,m.access,m.params,m.home,m.img,m.template_style_id,m.component_id,m.parent_id,e.element AS component
      FROM `jos_menu` AS `m`
      LEFT JOIN jos_extensions AS e
      ON e.extension_id = m.component_id
  19. 1 × SELECT *
      FROM `jos_author_assoc`
  20. 1 × SELECT *
      FROM `jos_resources`
  21. 1 × SELECT jos_template_styles.id,jos_template_styles.home,jos_template_styles.template,jos_template_styles.params,jos_extensions.protected
      FROM `jos_template_styles`
      INNER JOIN jos_extensions
      ON jos_extensions.element = jos_template_styles.template
  22. 1 × SELECT *
      FROM `jos_resource_ratings`
OTHER Tables:
  1. 1 × UPDATE `jos_session`
      SET `data` = '__default|a:9:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1590709127;s:18:\"session.timer.last\";i:1590709127;s:17:\"session.timer.now\";i:1590709127;s:8:\"registry\";O:23:\"Hubzero\\Config\\Registry\":2:{s:7:\"\0*\0data\";O:8:\"stdClass\":2:{s:1:\"0\";s:7:\"session\";s:10:\"Components\";O:8:\"stdClass\":1:{s:9:\"Resources\";O:8:\"stdClass\":2:{s:6:\"Models\";O:8:\"stdClass\":1:{s:6:\"Author\";O:8:\"stdClass\":2:{s:7:\"orderby\";s:8:\"ordering\";s:8:\"orderdir\";s:3:\"asc\";}}s:7:\"Reviews\";O:8:\"stdClass\":1:{s:6:\"Models\";O:8:\"stdClass\":1:{s:6:\"Review\";O:8:\"stdClass\":2:{s:7:\"orderby\";s:7:\"created\";s:8:\"orderdir\";s:4:\"desc\";}}}}}}s:9:\"separator\";s:1:\".\";}s:4:\"user\";C:17:\"Hubzero\\User\\User\":22:{a:1:{s:5:\"guest\";b:1;}}s:11:\"tracker.sid\";s:32:\"71407b7c653d829c1cdbe2a539b0592d\";s:12:\"tracker.ssid\";s:32:\"71407b7c653d829c1cdbe2a539b0592d\";s:12:\"tracker.rsid\";s:32:\"71407b7c653d829c1cdbe2a539b0592d\";}',`time` = '1590709127',`ip` = '10.111.11.10'
  2. 1 × SHOW FULL COLUMNS
      FROM `jos_resource_assoc
  3. 1 × INSERT INTO `jos_session` (`session_id`,`client_id`,`time`,`ip`)
      VALUES ('71407b7c653d829c1cdbe2a539b0592d','0','1590709127','10.111.11.10'
  4. 1 × DELETE
      FROM `jos_session`
  • onAfterInitialise Method plgSystemP3p::onAfterInitialise /core/plugins/system/p3p/p3p.php:21
  • onAfterInitialise Method plgSystemRemember::onAfterInitialise /core/plugins/system/remember/remember.php:20
  • onAfterInitialise Method plgSystemHubzero::onAfterInitialise /core/plugins/system/hubzero/hubzero.php:21
  • onAfterInitialise Method plgSystemXFeed::onAfterInitialise /core/plugins/system/xfeed/xfeed.php:21
  • onAfterInitialise Method plgSystemSupergroup::onAfterInitialise /core/plugins/system/supergroup/supergroup.php:113
  • onAfterInitialise Method plgSystemReferrerpolicy::onAfterInitialise /core/plugins/system/referrerpolicy/referrerpolicy.php:21
  • onAfterRoute Method plgSystemJquery::onAfterRoute /core/plugins/system/jquery/jquery.php:21
  • onAfterRoute Method plgSystemSpamjail::onAfterRoute /core/plugins/system/spamjail/spamjail.php:21
  • onAfterRoute Method plgSystemPassword::onAfterRoute /core/plugins/system/password/password.php:21
  • onAfterRoute Method plgSystemIncomplete::onAfterRoute /core/plugins/system/incomplete/incomplete.php:21
  • onAfterRoute Method plgSystemUnconfirmed::onAfterRoute /core/plugins/system/unconfirmed/unconfirmed.php:21
  • onAfterRoute Method plgSystemUnapproved::onAfterRoute /core/plugins/system/unapproved/unapproved.php:21
  • onResourcesAreas Method plgResourcesAbout::onResourcesAreas /core/plugins/resources/about/about.php:32
  • onResourcesAreas Method plgResourcesReviews::onResourcesAreas /core/plugins/resources/reviews/reviews.php:43
  • onResourcesAreas Method plgResourcesUsage::onResourcesAreas /core/plugins/resources/usage/usage.php:29
  • onResourcesAreas Method plgResourcesVersions::onResourcesAreas /core/plugins/resources/versions/versions.php:29
  • onResourcesAreas Method plgResourcesShare::onResourcesAreas /core/plugins/resources/share/share.php:29
  • onResourcesAreas Method plgResourcesCitations::onResourcesAreas /core/plugins/resources/citations/citations.php:29
  • onResourcesAreas Method plgResourcesQuestions::onResourcesAreas /core/plugins/resources/questions/questions.php:29
  • onResourcesAreas Method plgResourcesSupportingDocs::onResourcesAreas /core/plugins/resources/supportingdocs/supportingdocs.php:30
  • onResourcesAreas Method plgResourcesWishlist::onResourcesAreas /core/plugins/resources/wishlist/wishlist.php:29
  • onResourcesAreas Method plgResourcesFindThisText::onResourcesAreas /core/plugins/resources/findthistext/findthistext.php:29
  • onResourcesAreas Method plgResourcesWindowstools::onResourcesAreas /core/plugins/resources/windowstools/windowstools.php:214
  • onContentPrepare Method plgContentLoadmodule::onContentPrepare /core/plugins/content/loadmodule/loadmodule.php:35
  • onContentPrepare Method plgContentEmailcloak::onContentPrepare /core/plugins/content/emailcloak/emailcloak.php:25
  • onContentPrepare Method plgContentPagebreak::onContentPrepare /core/plugins/content/pagebreak/pagebreak.php:35
  • onContentPrepare Method plgContentXhubtags::onContentPrepare /core/plugins/content/xhubtags/xhubtags.php:25
  • onContentPrepare Method plgContentFormathtml::onContentPrepare /core/plugins/content/formathtml/formathtml.php:105
  • onContentPrepare Method plgContentExternalhref::onContentPrepare /core/plugins/content/externalhref/externalhref.php:41
  • onResources Method plgResourcesAbout::onResources /core/plugins/resources/about/about.php:54
  • onResources Method plgResourcesReviews::onResources /core/plugins/resources/reviews/reviews.php:91
  • onResources Method plgResourcesUsage::onResources /core/plugins/resources/usage/usage.php:51
  • onResources Method plgResourcesVersions::onResources /core/plugins/resources/versions/versions.php:50
  • onResources Method plgResourcesShare::onResources /core/plugins/resources/share/share.php:50
  • onResources Method plgResourcesCitations::onResources /core/plugins/resources/citations/citations.php:51
  • onResources Method plgResourcesQuestions::onResources /core/plugins/resources/questions/questions.php:60
  • onResources Method plgResourcesSupportingDocs::onResources /core/plugins/resources/supportingdocs/supportingdocs.php:52
  • onResources Method plgResourcesWishlist::onResources /core/plugins/resources/wishlist/wishlist.php:50
  • onResources Method plgResourcesFindThisText::onResources /core/plugins/resources/findthistext/findthistext.php:51
  • onResources Method plgResourcesWindowstools::onResources /core/plugins/resources/windowstools/windowstools.php:235
  • onResources Method plgResourcesGooglescholar::onResources /core/plugins/resources/googlescholar/googlescholar.php:25
  • onResources Method plgResourcesOpengraph::onResources /core/plugins/resources/opengraph/opengraph.php:25
  • onResources Method plgResourcesDublincore::onResources /core/plugins/resources/dublincore/dublincore.php:25
  • onResources Method plgResourcesCoins::onResources /core/plugins/resources/coins/coins.php:25
  • onResourcesSub Method plgResourcesGroups::onResourcesSub /core/plugins/resources/groups/groups.php:45
  • onResourcesSub Method plgResourcesRelated::onResourcesSub /core/plugins/resources/related/related.php:45
  • onResourcesSub Method plgResourcesSponsors::onResourcesSub /core/plugins/resources/sponsors/sponsors.php:45
  • onResourcesSub Method plgResourcesWatch::onResourcesSub /core/plugins/resources/watch/watch.php:46
  • onResourcesSub Method plgResourcesCollections::onResourcesSub /core/plugins/resources/collections/collections.php:31
  • onAfterDispatch Method plgSystemDebug::onAfterDispatch /core/plugins/system/debug/debug.php:60
  • onAfterDispatch Method PlgSystemHighlight::onAfterDispatch /core/plugins/system/highlight/highlight.php:25
  • onAfterRender Method plgSystemSef::onAfterRender /core/plugins/system/sef/sef.php:21