Stabilization of Deposits Using Gravel, (9999)
Seed,H. Bolton, Booker,John R.
The installation of a drainage system offers an attractive and economical procedure for stabilizing an otherwise potentially liquefiable sand deposit. Such a procedure has already been used in one...
Resistance to Liquefaction Due to Sustained Pressure, (9999)
Mulilis,J. Paul, Mori,Kenji, Seed,H. Bolton, Chan,Clarence K.
Influence of Seismic History on Liquefaction of Sands (9999)
Seed,H. Bolton, Mori,Kenji, Chan,Clarence K.
It is shown both analytically and experimentally that deposits of sand subjected to low magnitude earthquakes that are not sufficiently strong to cause liquefaction will develop an increased...
Effects of Sample Preparation on Sand Liquefaction (9999)
Mulilis,J. Paul, Seed,H. Bolton, Chan,Clarence K., Mitchess,James K., Arulanandan,Kandiah
The results of undrained stress controlled cyclic triaxial tests indicated that the dynamic strength of saturated sands, remolded to the same density by different compaction procedures, was...
Seismic Soil-Structure Interaction Effects at Humboldt Bay Power Plant (9999)
Valera,Julio E., Seed,H. Bolton, Tsai,C. F., Lysmer,John
The results of a study of the distribution of ground motions and structural response in the Humboldt Bay Nuclear Power Plant during the Ferndale earthquake of June 7, 1975 are presented. Based on a...
Pore Pressure Development Under Offshore Gravity Structures (9999)
Rahman,M. S., Seed,H. Bolton, Booker,John R.
One of the important geotechnical considerations related to the stability of offshore gravity structures founded on sand deposits is that of potential loss of supporting capacity of the sand due to...
Effects of System Compliance on Liquefaction Tests (9999)
Martin,Geoffrey R., Finn,W. D. Liam, Seed,H. Bolton
A theoretical analysis of the errors arising from volumetric compliance in cyclic liquefaction tests on saturated sands is presented. For cyclic simple shear tests, compliance occurs with changes in...
Simplified Procedure for Estimating Dam and Embankment Earthquake-Induced Deformations (9999)
Makdisi,Faiz I., Seed,H. Bolton
The method uses the concept of yield acceleration but is based on the evaluation of the dynamic response of the embankment rather than a rigid body behavior. The yield accelerations, for a potential...
Performance of Earth Dams During Earthquakes (9999)
Seed,H. Bolton, Makdisi,Faiz I., De Alba,Pedro
Particular emphasis is given to dam performance in six major earthquakes--San Francisco (1906); Ojika, Japan (1939); Fallon, Nevada (1954); Kern County, California (1952); Tokachi-Oki, Japan (1967);...
Wave-Induced Pore Pressure in Relation to Ocean Floor Stability of Cohesionless Soils (9999)
One of the important geotechnical considerations for many engineerng installations, such as pipelines and anchors, in an oceanic environment involving sand deposits is that of potential ocean floor...
Simplified Procedure for Effective Stress Analysis of Ground Response (9999)
Martin,Philippe P., Seed,H. Bolton
A review is made of several analytical approaches to the determination of pore-pressure generation and dissipation in saturated sands at level sites during earthquakes and the effects of the...
Effect of Transient Loading on the Strength of Sand (9999)
Lee,Kenneth L., Seed,H. Bolton, Dunlop,P.
Transient load tests on dry sand showed that an increase in strain rate from 0.1 to 10,000 percent per minute caused only about 7 percent increase in strengh for loose sands at all confining...
Simplified Procedure for Evaluating Embankment Response (9999)
Makdisi,Faiz I., Seed,H. Bolton
For many types of embankments, constructed of dry or very dense sands or clayey soils, an estimate of the magnitude of the deformations which might be induced by earthquake shaking can be made from a...
Earthquake-Induced Liquefaction Near Lake Amatitlan, Guatemala (9999)
Seed,H. Bolton, Arango,Ignacio, Chan,Clarence K., Gomez-Masso,Alberto, Ascoli,Rebecca Grant
One of the effects of the Feb. 4, 1976, Guatemala earthquake was the extensive liquefaction which occurred at the settlement of La Playa on the northeast shore of Lake Amatitlan. Ground accelerations...
State-of-the-Art, Applications of Finite Element Analyses in Soil Dynamics (9999)
An attempt has been made to review the current applications of finite element methods in the soil dynamics field. It has not been possible to include all of the studies currently in progress, but it...
Laboratory Study of Hydraulic Fracturing (9999)
Jaworski,Gary W., Duncan,James M., Seed,H. Bolton
Laboratory tests on Teton Dam soil were performed by increasing the water pressure in model bore holes and in simulated rock joints. The water pressure required to cause hydraulic fracturing was...
Influence of Sample Disturbance on Sand Response to Cyclic Loading. (2002)
Mori,Kenji, Seed,H. Bolton, Chan,Clarence K.
One of the major developments in the evaluation of the liquefaction characteristics of sand deposits has been the recognition that these properties are influenced not only by the density of the...
Undisturbed Sampling and Cyclic Load Testing of Sands, (2002)
Singh,Sukhmander, Seed,H. Bolton, Chan,Clarence K.
Contents: Undisturbed Sampling of Sands; The Sampling Disturbance in Sands: Its Evaluation and Influence on Strength Properties; Experimental Investigation of the Effect of Tube-Sampling on Cyclic...
Analysis of Local Variations in Free Field Seismic Ground Motion. (2002)
Chen,Jian-Chu, Lysmer,John, Seed,H. Bolton
Earthquake engineers are often faced with the problem of determining the temporal and spatial variation of near-surface seismic motions in a site. This type of information is needed for the...
FINITE ELEMENT ANALYSES OF SLOPES IN SOIL. (1998)
Dunlop,Peter, Duncan,James M., Seed,H. Bolton
The study described in this report was conducted to investigate the behavior of excavated slopes and embankments using the finite element method of analysis. The aspects of slope behavior considered...
THE SIGNIFICANCE OF CAP AND BASE RESTRAINT IN STRENGTH TESTS ON SOILS, (1998)
Duncan,J. M., Seed,H. Bolton, Dunlop,P.
The objective of this investigation was to determine the significance of the various effects of cap and base restraint in strength tests on soils. The normal caps and bases used in strength tests...
The Behavior of Sands Under Seismic Loading Conditions, (1998)
Silver,Marshall L., Seed,H. Bolton
The volume change characteristics and the dynamic stress-strain properties of dry sand subjected to cyclic shear strains have been investigated and used to check the applicability of a simple method...
EFFECTS OF SAMPLING AND DISTURBANCE ON THE STRENGTH OF SOFT CLAYS, (1998)
Seed, H. Bolton, Noorany, I., Smith, I. M.
The laboratory procedure most commonly used for strength determination is the triaxial compression test. The relationship between data obtained with this test procedure and the in-situ strength of a...
Duncan, J. M., Seed, H. Bolton
The objectives of the investigation are to establish the fundamental nature of the anisotropy of saturated clays with respect to undrained strength, and to evaluate the practical significance of...
ERRORS IN STRENGTH TESTS AND RECOMMENDED CORRECTIONS, (1998)
Duncan, J. M., Seed, H. Bolton
In any type of triaxial compression test it is necessary to surround the sample by a rubber membrane. Furthermore, in all except vacuum triaxial tests, it is necessary to set up the sample in a...