NUREG/CR-4430, Forwards camera-ready NUREG/CR-4430, Current Methodologies for Assessing Potential for Earthquake-Induced Liquefaction in Soils & NRC Forms 335 & 426A.W/o NUREG

Forwards camera-ready NUREG/CR-4430, Current Methodologies for Assessing Potential for Earthquake-Induced Liquefaction in Soils & NRC Forms 335 & 426A.W/o NUREG

ML20205F102
Person / Time
Issue date:	10/16/1985
From:	Beratan L NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
To:	Larkins P NRC OFFICE OF ADMINISTRATION (ADM)
References
RTR-NUREG-CR-4430 NUDOCS 8511040438
Download: ML20205F102 (4)

Text

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DISTRIBUTION:

OCT 161985 Subj.

Rdg.

Cir.

Chron.

JPhilip AMurphy LBeratan Patricia Larkins EConti MEMORANDUM FOR:

Division of Technical Information KGoller and Earth Sciences, ADM Dross FROM: Leon L. Beratan, Chief bM Earth Sciences Branch Division of Radiation Programs

. and Earth Sciences, RES

SUBJECT:

TRANSMITTAL 0F NUREG/CR-4430 " CURRENT METh000LOGIES FOR ASSESSING THE POTENTIAL FOR EARTHQUAKE-INDUCED LIQUEFACTION IN S0ILS Transmitted herewith is the camera ready copy of the subject report for publication as a NUREG document. Also enclosed are completed NRC Forms 335 and 426A.

Leon L. Beratan, Chief Earth Sciences Branch Division of Radiation Programs and Earth Sciences, RES

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Enclosure:

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1. Camera Ready Copy U S Files .

2. NRC Forms 335, 426A Subject Filo Ko. A N II

Contact:

J. Philip Tackro.

427-4604 Rosenrch naque:t 2.

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Current Methodologies for Assessing the Potential for Earthquake-Induced Liquefaction in Soils 3 RECIPIENTS ACCESS 10N NO.

7. AUTHOR (Si 5. DATE REPORT COMPLETED Joseph P. Koester, Arley G. Franklin "M@s t I'5t985

9. sE RFORMING ORGANIZATION N AME AND M AILING ADORESS (inclum le Cool DATE REPORT ISSUED Geotechnical Laboratory

• wo~Ta l vama U. S. Army Engineer Waterways Experiment Station Vicksburg, Mississippi s (te~e ==as S. fleeve wohl

12. SPONSORING ORG ANIZ ATION N AME AND M AILING ADORESS (Inctuar IW Codel iuR ;ECTiT ASxtwORx unit NO Division of Radiation Programs and Earth Sciences Office of Nuclear Regulatory Research " " " " '

U. S. Nuclear Regulatory Conunission Washington, DC 20555 B-8993

13. TYPE OF REPORT PE alOO COVE atO (tactusere aews/

Technical Report 1979-1985

15. SUPPLEMENTARY NOTES 14. (Leave orm*/

16 ABSTR ACT 000 *oras or iess/ The geotechnical engineering literature reflects continuing evolution of methods for evaluation of liquefaction potential, and several significant advances have been achieved in the past few years; notably in the areas of in situ testing and the use of data from past occurrences of liquefaction, strain-based approaches, the steady-state concept, and non-linear, effective stress analysis. In the light of new knowledge and the reexamination of old data, liquefaction occurrence is no longer believed to be restricted to relatively clean, uniform, loosely-deposited, saturated sands, and a great deal of research emphasis has thus been given, or is proposed, to understanding the dynamic behavior of saturated gravelly soils and fine-grained soils with some plasticity.

This report discusses conditions under which the potential for earthquake-induced liquefaction should be evaluated, and describes procedures and criteria that are currently applied to assess the liquefaction potential of soils ranging in gradation from gravels to clays. Emphasis is given to several of the more recent field, laboratory, and theoretical approaches.

17. KE Y WORDS AND DOCUMENT AN ALYSIS 17a DESCRIPTORS Earthquakes Saturated Sands Undisturbed Sampling Liquefaction Potential Seismic History Stress-Based Analysis Settlement Standard Penetration Test Strain-Based Analysis In-Situ Soil Tests . Cone Penetration Test Constitutive Models Steady State Concept Pressuremeter Dynamic Soil Tests 17b IDENTIFIE RS OPEN ENot D TERMS 18 AV AIL AslLITY ST ATEMENT 19 SE C R T SS tra,s report / 21 No OF PAGES Unlimited 2o SECuairy CLASS (ra.s,se i 22 PaiCE 5

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DISTRIBUTION:

OCT 161985 Subj.

Rdg.

Cir.

Chron.

JPhilip AMurphy LBeratan MEMORANDUM FOR: Patricia Larkins Econti Division of Technical Information KGoller and Earth Sciences, ADM Dross FROM: 1. eon L. Beratan, Chief bN Earth Sciences Branch Division of Radiation Programs and Earth Sciences, RES

SUBJECT:

TRANSMITTAL 0F NUREG/CR-4430 " CURRENT METHODOLOGIES FOR ASSESSING THE POTENTIAL FOR EARTHQUAKE-INDUCED LIQUEFACTION IN S0ILS Transmitted herewith is the camera ready copy of the subject report for publication as a NUREG document. Also enclosed are completed NRC Forms 335 and 426A.

Leon L. Beratan, Chief Earth Sciences Branch Division of Radiation Programs and Earth Sciences, RES

Enclosure:

1. Camera Ready Copy

2. NRC Forms 335, 426A

Contact:

J. Philip 427-4604 0FC: ESB:dm :ESB:SL  :  :  :

NAME:JPhilipJ

..:AMurphy

... . . 4M . .:ESB:BC[h:

LBeratan  :  :  :  :

DATE: /0//r/fr  :/o//f/;f  : /c /,/ /jf  :  :  :  :