00603615

Component

http://onlinepubs.trb.org...trr/1990/1277/1277-016.pdf

https://scholar.google.co...sher&publication_year=1990

In recent years, vibratory pile drivers have gained popularity with contractors due to the increased productivity that can be realized with their use. The driving time can be reduced by a factor of 10 to 20 over that of an impact-driven pile. This gain in productivity is very attractive and profitable, but questions exist as to whether vibratory driving has an effect on a pile's axial capacity when compared with an impact-driven pile. This paper presents and discusses the results of a study of three pile testing programs that make direct comparison between vibratory- and impact-driven piles. One of these testing programs has never before been reported in the literature. From the study of these testing programs, it was found that the vibratory-driven piles had a significant reduction in axial capacity when compared with the impact-driven piles. This reduction in capacity of the vibratory-driven piles was due to a lower tip resistance.

This paper appears in Transportation Research Record No. 1277, Modern Geotechnical Methods: Instrumentation and Vibratory Hammers 1990. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01411039

p. 128-135

1990

Transportation Research Record

030905057X

Figures (13) ; References (9) ; Tables (5)

Alternatives analysis; Pile driving; Structural tests; Support piles; Vibratory equipment

Axial capacity

Bridges and other structures; Design; Geotechnology; Highways; I24: Design of Bridges and Retaining Walls; I42: Soil Mechanics

TRIS, TRB, ATRI

Feb 28 1991 12:00AM

• AXIAL RESPONSE OF THREE VIBRATORY- AND THREE IMPACT-DRIVEN H PILES IN SAND
• BEARING CAPACITY PREDICTION FROM PILE DYNAMICS
• CONSTRUCTION AND DESIGN OF DRILLED SHAFTS IN HARD PINNACLE LIMESTONES
• CONSTRUCTION CONTROL TESTING OF SLURRY-ASSISTED SOLDIER WALL CAISSONS WITH INCLINOMETER AND NUCLEAR DENSITY PROBES
• DEVELOPMENT OF AN EXPERT SYSTEM FOR PRELIMINARY SELECTION OF PILE FOUNDATION
• EVALUATION OF BEARING CAPACITY OF VIBRO-DRIVEN PILES FROM LABORATORY EXPERIMENTS
• FIELD MONITORING OF EXPANSIVE SOIL BEHAVIOR
• FIELD PERFORMANCE OF A GEOGRID-REINFORCED EMBANKMENT
• FIELD TEST OF A GEOTEXTILE-REINFORCED LEVEE
• INSTRUMENTATION FOR MEASURING EARTH PRESSURES DUE TO COMPACTION
• INSTRUMENTATION OF CUMBERLAND GAP PILOT TUNNEL
• INSTRUMENTATION OF DEEP CORRUGATED STEEL BOX CULVERTS
• INSTRUMENTATION OF GEOGRID-REINFORCED SOIL WALLS
• MONITORING OF SURCHARGE-INDUCED SETTLEMENT AT THE MARTA CHAMBLEE STATION
• ON THE CHARACTERIZATION OF SUCTION IN SWELLING CLAY
• STUDY OF FLOW IN COMPACTED COLUMNS OF SWELLING CLAY
• TECHNIQUES OF BACKFIGURING CONSOLIDATION PARAMETERS FROM FIELD DATA
• USE OF DUAL TUBE NUCLEAR GAUGE FOR CRACK DETECTION IN EXPANSIVE CLAY SOILS