dmt flat dilatometer papers

Marchetti et al. (2008) "In Situ Tests by Seismic Dilatometer (SDMT)" ASCE Geot. Special Publication GSP No. 170 Schmertmann Volume; (doc format 1.7 MB)
Marchetti et al. (2008) "Vs evaluation from DMT data" (english italian)
Monaco et al (2007) "DMT and SDMT. Design Applications and Recent Developments" Australia New Zealand Conf. Geomechanics (ppt presentation)
Monaco & Marchetti (2007) "Evaluating Liquefaction Potential by Seismic Dilatometer (SDMT) accounting for Aging" Proc. 4th Intern. Conf. on Earthquake Geotech. Eng. Thessaloniki, June 2007 (pdf format)
Monaco & Schmertmann (2007) Discussion of "Accounting for Soil Aging When Assessing Liquefaction Potential" by Leon, E. et al. J. Geotech. Geoenv. Engrg., ASCE 133(9), 1177 (pdf format 0.3 MB)
Marchetti D. et al. (2007) "Risultato di prove in sito mediante Dilatometro Sismico (SDMT)" Proc. 23rd Italian Conf SMGE, Padova, May 2007 (in italian) (doc format 3.7 MB)
Maugeri & Monaco(2006) "Liquefaction Potential Evaluation by SDMT" Proc. Second Intnl Conf. on the Flat Dilatometer, Washington D.C., p. 295-305 Apr (doc format)
Monaco, Totani, Calabrese (2006) "DMT-predicted vs. observed settlements: a review of the available experience" Proc. Second Intnl Conf. on the Flat Dilatometer, Washington D.C., p. 244-252 (pdf format)
Foti, Lancellotta, Marchetti, Monaco, Totani (2006) "Interpretation of SDMT tests in a transversely isotropic medium", Proc. Second Intnl Conf. on the Flat Dilatometer, Washington D.C., p. 275-280 (pdf format)
Monaco et al. (2005) "Sand liquefiability assessment by Flat Dilatometer Test (DMT)", Proc. 16th ICSMGE – Osaka (pdf format)
Monaco & Marchetti (2004)"Evaluation of the coefficient of subgrade reaction for design of multi-propped diaphragm walls from DMT moduli", Proc. Intnl Site Characterization ISC’2 – Porto Portugal (pdf format)
SDMT - Seismic Dilatometer (2004), (SDMT Information 1.1 MB)
Dmt Dissip (Dec 2002), Windows program for DMT Dissipations. (Sample Diagrams ,Info, Download)
Dmt Elab (July 2002), Windows program for DMT. Dmt Elab also generates files *.uni used for settlements. (Sample Diagrams , Info , Download, Manual)
Mayne, Martin, Schneider (1999) "Small- and Large-Strain Soil Properties from Seismic Flat Dilatometer Tests", Proc. Pre-failure Deformation Characteristics of Geomaterials, Jamiolkowski et al. editors, Torino. (pdf format 1 MB) [SDMT adds to the "standard" DMT the capability of determining Go. "E" and Go are then used combinedly to identify the modulus degradation curve]
Devincenzi (2002) "El ensayo dilatométrico de Marchetti". Geotecnia 2002 (in Espanol) ( pdf format 0.8 MB)
Plaxis parameters (2002) "Hard Soil Model : E50,ref can be estimated from oedometer data (M)" (pdf format 0.1 MB)
ASTM D6635-01 (2002) "Standard Test Method for Performing the Flat Plate Dilatometer". Book of Standards Vol. 04.09
Marchetti S. (2001) "The Flat dilatometer", 18th CGT - Conferenze Geotecnica Torino, 56 pp. (pdf format 0.8 MB or doc format 1.1 MB) [Slides, in English]
DMT Course Notes (2001) by Marchetti and Monaco, Bali Insitu 2001, 77 pp. ( pdf format or doc format 4 MB). [Detailed figures on equipment, procedure, maintenance, tolerances and quality checks. A kind of "User's Manual", thought for technicians actually performing DMT]
TC16 (2001) "The DMT in Soil Investigations", A Report by the ISSMGE Committee TC16, 41 pp. (pdf format or doc format 1 MB) ; (click here for the Italian version) [A comprehensive official reference covering in detail Field operations, Procedure, Interpretation, Applications].
Powell, Lunne, Frank (2001) "Semi-Empirical Design Procedures for axial pile capacity in clays", Proc. XV ICSMGE, Istanbul 5 pp. (pdf format 0.05 MB) [New method by BRE-UK, NGI Oslo, LCPC Paris. Based on load tests on 60 driven or jacked piles at 10 clay sites in UK, Norway, France, Denmark. The Authors found that, for the piles in their study, the DMT-based method outperformed other methods for compression piles. A summary of the method can also be found in TC16 DMT 2001 (see Fig. 36)].
Totani, Marchetti, Monaco, Calabrese (2001) "Use of the Flat Dilatometer Test (DMT) in Geotechnical Design". IN SITU 2001, Intnl. Conf. On In situ Measurement of Soil Properties, Bali, Indonesia. (pdf format 0.2 MB) [Concentrated, 2001-updated, 6pp paper, summarizing main applications]
ESSENTIALS (1-page) of the DMT (2001). A personal view by S. Marchetti (pdf format)
Tice & Knott (2000) "Cape Hatteras Light Station Relocation" - ASCE Outstanding Civil Engineering achievement for 2000, Geo-Strata Oct. - 1p. summary from GPE-Florida ( pdf format 40 KB) [Good agreement was observed between DMT-predicted and measured settlements at the sandy site under Cape Hatteras Light Station]
Schnaid, Ortigao, Mantaras, Cunha, MacGregor (2000)"Analysis of self-boring pressuremeter (SBPM) and Marchetti dilatometer (DMT) tests in granite saprolites", Canad. Geot. Jnl. Vol. 37, 4, Aug 2000, 796-810 Abstract 1p. ( pdf format 0.1 MB) [Compares parameters from SBPM and DMT]
KCI Technologies, Md, Usa (2000): Webpage on DMT [By DMT "a more cost effective design can result compared to using the SPT alone (producing) savings in construction cost"]
Failmezger R.(1998-2000) " (a) Describes his experience as a second engineer asked to reevaluate the first design (b) Designer liability for overdesign due non-state-of-the-art settlement predictions in USA (c) Differences in accuracy of settlements predicted by SPT and DMT" Pers. communication, 2p. (pdf format 10 KB)
Failmezger R., Rom D., Ziegler S.B.(1999) "Behavioral Characteristics of Residual Soils. SPT?- A Better Approach to Site Characterization of Residual Soils using other In-Situ Tests", ASCE Geot. Special Pub. No. 92, Edelen, Bill, ed., ASCE, Reston, Virginia,158-175. (pdf format 70 KB) [5 case-histories comparing settlements predictions by SPT and DMT on pp.6-7-8. At Route 460 Blacksburg Bypass SPT predicted 100 mm settlements, while DMT predicted 27 mm (confirmed by oedometers)," leading to change in design and large savings". Generally SPT overpredicted settlements (in one case by a factor 10). Also of interest p.10: Settlement Probability Design; and p.15: Diagram comparing M_DMT- M_oed]
Marchetti S.(1999) "On the calibration of the DMT membrane", L'Aquila University, Italy, Internal techn. note, 9 pp. (pdf format 0.2 MB) [Should be read by operators, especially important when testing in very soft soils]
Didaskalou G. (1999) "Comparison Measured vs DMT-predicted Settlements Hyatt Hotel Thessaloniki", Personal Communication (pdf format 70 KB) [good agreement between measured and DMT-predicted settlements]
Pelnik, Fromme, Gibbons, Failmezger (1999)."Foundation Design Applications of CPTU and DMT Tests in Atlantic Coastal Plain Virginia", Transp. Res. Board, 78th Annual Meeting, Jan., Washington, D.C. Abstract 2 p. (pdf format 10 KB) [Case histories and Table comparing the relative ability of CPTU and DMT to predict settlements in Virginia sediments]
Marchetti S. (1999) " The Flat Dilatometer and its applications to Geotechnical Design ", Lecture notes (90 pp) Intnl Seminar on DMT held at the Japanese Geot. Society, Tokyo, 12 Feb 1999 (pdf format 1.3 MB). Very detailed reference. Index: DMT equipment, Field equipment, Procedure, Derivation of parameters, Results, Distortions due to penetration, Comparisons with other tests, Coeff. of Consolidation & Permeability (clay), Settlements, Operative modulus, Detect slip surfaces in slopes, P-y curves for lat. loaded piles, Sand liquefaction, Compaction control, Pavement subgrade control, Subgrade Kh for anchored diaghrams, DMT for FEM.
Totani, Marchetti, Monaco, Calabrese (1999) "Impiego della prova dilatometrica nella progettazione geotecnica", XX Convegno Ital. di Geotecnica, Parma, Sept. (In Italian). (pdf format 0.4 MB)
Tanaka (1998)."Characterization of Sandy Soils using CPT and DMT", Soils and Foundations, Japanese Geot. Soc.,Vol. 38, 3 , 55-65. (pdf format 1.4 MB) [Comparisons with parameters determined on high quality frozen sand samples]
Totani, Calabrese, Monaco (1998)."In situ determination of Ch by Flat Dilatometer (DMT)", Proc. First Intnl Conf. On Site Characterization ISC '98, Atlanta, Georgia (USA), 883-888. (pdf format 0.7 MB) [Illustrates case-histories comparing Ch by DMTA dissipations with Ch backfigured from real works observations. The rate of consolidation predicted by DMTA was 1 to 3 times slower than real]
Milestones on LIQUEFACTION (1998) / RELATIVE DENSITY excerpts from: Tanaka 98 (11pp), Robertson 98 (1pp), Howy and Yu 97 (4pp), Jefferies 95 (2pp), Sladen 89 (10pp), Schmertmann 86 (4pp) (To download, click the Author !)
Totani G., Calabrese M., Marchetti S. and Monaco, P. (1997). " Use of in situ flat dilatometer (DMT) for ground characterization in the stability analysis of slopes". Proc. XIV Intnl Conf. on Soil Mechanics and Foundation Engineering, Hamburg, Sept., Vol. 1, pp. 607-610. (doc format 0.4 MB) [About the Kd=2 method to verify the presence of sliding surfaces (active or quiescent) in an overconsolidated clay slope]
Marchetti S. (1997). "The Flat Dilatometer : Design Applications". Third Geotechnical Engineering. Conf. Cairo Univ. Jan. 1997, Keynote lecture, 26 pp. (pdf format 0.4 MB) [Comprehensive in depth detailed treatment]
Eurocode 7, (1997) " Geotechnical Design. Part 3 : Design assisted by field tests, "Flat Dilatometer Test (DMT)". (pdf format 0.6 MB)
Kamei T. and Iwasaki K. (1995) "Evaluation of undrained shear strength of cohesive soils using a Flat Dilatometer", Soils and Foundations, Vol. 35, 2, 111-116, June. (pdf format 0.6 MB) [Compares DMT's vs other tests' parameters from numerous distant geographical areas. Confirms the strong correlation in clays OCR-Kd, virtually similar to the 1980 original correlation]
Sawada S. and Sugawara N. (1995) "Evaluation of densification of loose sand by SBP and DMT", Proc. 4th Int. Symp. On Pressuremeter, Sherbrooke, Canada, 17-19 May '95, Balkema, 101-107. (pdf format 0.8 MB) ["SBP and DMT are valuable tools for estimating soil parameters on sandy soil and effectiveness of the treatment ... SBP is much time-consuming and too much expensive"]
Steiner W. (1994) "Settlement Behaviour of an Avalanche Protection Gallery Founded on Loose Sandy Silt", Settlement '94 ASCE Conf. at Texas A&M, Vol. 1, 207-221 - Abstract & Conclusions 2p. (pdf format 0.2 MB) [An earthfill on a loose sandy-silt produced settlements substantially higher than anticipated based on conventional soil borings. DMT were then performed. The DMT-predicted settlements agreed well with observed settlements]
Massarsch K.R. (1994) "Settlement Analysis of Compacted Granular Fill", Proc. 13 ICSMFE New Delhi, Vol.1, 325-328. (pdf format 0.6 MB) [Emphasizes the necessity of considering the Sigmah increase due to compaction for settlement calculation. Massarsch notes "attempts have been made to correlate directly tangent modulus M to Qc, but with limited success (Jamiolkowski et al.1988)". Without consideration of stress history / OCR due to compaction, settlements could easily be overestimated by a factor > 3, as high lateral stresses reduce substantially settlement]
Finno R. J. (1993) "Analytical Interpretation of Dilatometer Penetration Through Saturated Cohesive Soils", Geotechnique 43 No.2, 241-254. Abstract 2 p. (pdf format 0.22 MB) [Finds theoretically (Anisotropic Bounding Space Model) an OCR-Kd relation practically identical to the 1980 experimentally-established original correlation]
Woodward, McIntosh (1993) "Case history : Shallow Foundation Settlement Prediction Using the Marchetti Dilatometer", ASCE Annual Florida Sec. Meeting - Abstract & Conclusions 3p.(pdf format 0.2 MB) or Full Paper (pdf format 2.5 MB) [Reports good agreement between DMT-predicted and observed settlements at a sandy site. "Use of modulus from DMT permitted considerable savings vs using data from SPT. SPT, for this project, underpredicted the modulus " producing non-state-of-the-art settlement predictions]
Wong J.T.F., Wong M.F. and Kassim K. (1993) "Comparison between Dilatometer and Other In-Situ and Laboratory Tests in Malaysian Alluvial Clay". 11th Southeast Asian Geot. Conf., 4-8 May 93, Singapore, 275-279. (pdf format 0.5 MB) []
Geopac (1992) "Comparisons of settlements predicted by PMT and DMT in a silty-sandy soil in Quebec",. Pers. communication (pdf format 90 KB) [...settlements predicted by PMT and DMT were very similar, but the time for testing quite different.]
Jendeby L. (1992) "Deep Compaction by Vibrowing", Nordic Geotechnical Meeting NGM-92, Vol. 1, 19-24 Abstract 2p. (pdf format 0.1 MB) [A sandfill compaction case. Mdmt reflected the compaction about twice more sensitively than Qc. The ratio M/Qc (before-compaction 8-10) increased, after compaction, to ca. 25. The ratio M/Qc possibly usable as a rough indicator of OCR]
Iwasaki K. et. al (1991) "Applicability of the Marchetti Dilatometer Test to Soft Ground in Japan", GEOCOAST '91, Sept. 1991, Yokohama 1/6, 4 pp. (pdf format 0.4 MB) [Documents very good agreement between M and Cu by DMT and from high quality samples in Tokyo Bay]
Reyna, F. & Chameau, J.L. (1991) "Dilatometer Based Liquefaction Potential of Sites in the Imperial Valley". 2nd Int. Conf. on Recent Advances in Geot. Earthquake Engrg. and Soil Dyn.. St. Louis. May, 7 pp. (pdf format 1.0 MB) []
Hayes(1990) "The Marchetti Dilatometer and Compressibility", Southern Ontario Section of the Canad. Geotechn. Society. Seminar on "In Situ Testing and Monitoring". . (2p summary pdf 0.2 MB ; full paper pdf 0.9 MB) [Has diagrams with many datapoints showing good agreement between observed and DMT-predicted settlements and moduli]
Marchetti & Totani (1989) "Ch Evaluations from DMTA Dissipation Curves", Proc. XI ICSMFE, Rio de Janeiro, Vol. 1: 281-286. (pdf format 0.7 MB) [Initial paper illustrating the proposed methodology for deriving Ch from Tflex of the DMTA dissipation curves]
Powell, J.J.M. & Uglow, I.M. (1988) "The Interpretation of the Marchetti Dilatometer Test in UK Clays". ICE Proc. Penetration Testing in the UK. Univ. of Birmingham, Paper 34: 269-273. July. (pdf format 0.6 MB) []
Leonards, G.A. & Frost, J.D. (1988) "Settlement of Shallow Foundations on Granular Soils". ASCE Jnl of Geotechn. Engineering, Vol. 114, No. 7: 791-809. July. Abstract 1 p. (pdf format 0.15 MB) [Deals with settlements predictions in sand by DMT. Emphasizes that "In granular soils correlations between penetration resistance and soil modulus (Terzaghi & Peck 1967, Schmertmann 1970) seriously overestimate settlements if the deposits has been prestressed". Ranks the usefulness of various in situ tests for predicting settlements in sand]
Lutenegger, A.J. (1988) "Current Status of the Marchetti Dilatometer Test" Invited Lecture. Proc. ISOPT-1, Orlando, FL, Vol. 1: 137-155. Mar. (pdf format 2.2 MB) [State of the art of DMT in 1988]
Robertson, P.K., Davies, M.P. & Campanella, R.G. (1987) "Design of Laterally Loaded Driven Piles Using the Flat Plate Dilatometer". Geotechnical Testing Jnl, Vol. 12, No. 1: 30-38. March (pdf format 1.0 MB) []
Robertson, P.K.& Campanella, R.G. (1986) "Estimating Liquefaction Potential of Sands Using the Flat Plate Dilatometer". Geotechnical Testing Journal, Vol. 9, No. 1: 38-40. March (doc format 0.4 MB) []
Schmertmann, J.H.et al.(1986) "CPT/DMT Quality Control of Ground Modification at a Power Plant". Proc. In situ '86 ASCE Spec. Conf. Virginia Tech, Blacksburg, VA, pp.985-1001. (pdf format 1.1 MB) [Compaction caused a % increase of Mdmt ca. double than the % increase of Qc,cpt. Schmertmann recommends issuing specifications in terms of modulus rather than (elusive) Dr]
ASTM SUBCOMMITTEE 18.02,(1986) "J.H. Schmertmann, Chairman, "Suggested Method for Performing the Flat Dilatometer Test". ASTM Geotechn. Testing Journal, Vol. 9, 2, June, 93-101 (pdf format 1.2 MB) []
Lacasse & Lunne (1986) "Dilatometer Tests in Sand". Proc. In Situ '86 ASCE Spec. Conf. Virginia Tech, Blacksburg, VA : 686-699. Abstract 1 p. (pdf format 0.1 MB) [Reports good agreement between DMT-predicted and measured settlements under a silos at a sandy site]
First International Conference on the Flat Dilatometer, Mobile Augers and Research Ltd., Edmonton, Alberta (1983) (pdf format 5.6 MB) [Papers by Schmertmann, Hayes, Mekechuk, Burges & Campanella]
Marchetti, S. (1982) "Detection of liquefiable sand layers by means of quasi static penetration tests". Proc. 2nd European Symp.on Penetration Testing, Vol. 2: 689-695. Amsterdam, NL. May. (doc format 0.6 MB) [Two stage Calibration Chamber tests to evaluate DMT sensitivity to pure prestrain - study aimed at detecting sand liquefiability]
Marchetti, S. (1980) "In Situ Tests by Flat Dilatometer". Journal of the Geotechn. Engineering Division, ASCE, Vol. 106, No. GT3, Proc. Paper 15290, p. 299-321. (pdf format 2.0 MB) [Original 1980 paper on DMT. Derivation of the correlations]