NSF award 2501918 · California State L A University Auxiliary Services Inc.

ERI: Laboratory Investigation into Effects of Vertical Ground Motion on Liquefaction Resistance and Consequences

Final report due

29 April 2028

in 559 days · The award ends on 31 December 2027.

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Decide about an extension2 Sep 2027in 319 days
award ending 2027-12-31 · Research.gov
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Extension request16 Nov 2027in 394 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Dec 2027in 429 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Apr 2028in 559 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Apr 2028in 559 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Apr 2028in 559 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 December 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 April 2028.

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Award card

Award number: 2501918
Period of support: 1 Jan 2026 – 31 Dec 2027
Amount: $200,000
Awardee: California State L A University Auxiliary Services Inc., LOS Angeles, CA
Program: ECI-Engineering for Civil Infr
Directorate: ENG

Abstract

This Engineering Research Initiation (ERI) project investigates how simultaneous vertical and horizontal shaking, induced by ground motions during earthquakes, influences the behavior of sandy soils, particularly the triggering of liquefaction and the resulting ground settlement. While most earthquake design methods consider only horizontal shaking, newer data from recent earthquakes show that vertical accelerations…

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