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Monday, October 5, 2020 | History

2 edition of Blast vibration measurements near and on structure foundations found in the catalog.

Blast vibration measurements near and on structure foundations

D. E. Siskind

Blast vibration measurements near and on structure foundations

by D. E. Siskind

  • 82 Want to read
  • 21 Currently reading

Published by U.S. Dept. of the Interior, Bureau of Mines in Avondale, Md .
Written in English

    Subjects:
  • Earth movements and building.,
  • Buildings -- Blast effects -- Measurement.,
  • Structural dynamics.

  • Edition Notes

    Bibliography: p. 20.

    Statementby David E. Siskind and Mark S. Stagg.
    SeriesReport of investigations ;, 8969, Report of investigations (United States. Bureau of Mines) ;, 8969.
    ContributionsStagg, Mark S.
    Classifications
    LC ClassificationsTN23 .U43 no. 8969, TH1094 .U43 no. 8969
    The Physical Object
    Pagination20 p. :
    Number of Pages20
    ID Numbers
    Open LibraryOL2663060M
    LC Control Number85600074

    The objective of placing a sensor is to ensure that the blast induced vibration at the point of input into the structure is measured. As such, the sensor must be placed on the same side of the structure (house, commercial building, pipeline, etc.) as the blasting operations. In the. Blasting near structures often involves measurement of vibrations for the assessment of damage potential. Several methods of measurement are in use worldwide, but there is no consensus as to which methods are technically sufficient and yet practical for all situations. Blast vibration measurements near and on structure foundations. Authors.

    Will the blasting vibrations damage my foundation? The foundation is the strongest part of a house. Vibration standards are designed to protect the weakest parts of the house, such as plaster and drywall. Ground vibrations strong enough to crack foundations consisting of concrete and masonry would far exceed the limits set by typical standards. Excessive vibrations can lead to metal fatigue, poor operation of equipment within or on the structure, and even failure of the structure entirely. This three-day course demonstrates a variety of methods for reducing excessive vibrations and places an emphasis on rotating equipment and foundations, earthquake analysis, blast loads, vibration.

      Our engineers understand the methods of vibration measurement and analysis and follow established procedures during testing. Therefore, should you require assistance in structural damage assessment due to suspected vibration, call us at () or please visit our website at Vibration and noise problems caused by a number of construction processes, specifically blasting for infrastructure development, are becoming important because of their civil appeal. In this study, a square root equation (SRE) with a 95% confidence level was proposed for predicting blasting-induced vibration through full-scale test blasting, and the vibration value predicted from this equation.


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Blast vibration measurements near and on structure foundations by D. E. Siskind Download PDF EPUB FB2

Blast vibration measurements near and on structure foundations Paperback – January 1, by D. Siskind (Author) See all formats and editions Hide other formats and editionsAuthor: D. Siskind. Download Blast Vibration Measurements Near And On Structure Foundations full book in PDF, EPUB, and Mobi Format, get it for read on your Kindle device, PC, phones or tablets.

Blast Vibration Measurements Near And On Structure Foundations full free pdf books. Blast Vibration Measurements Near and On Structure Foundations By David E. Siskind and Mark S. Stagg US Department of Interior Office of Surface Mining Reclamation and Enforcement Kenneth K.

Eltschlager Mining/Blasting Engineer UNITED STATES DEPARTMENT OF THE INTERIOR Donald Paul Hodel, Secretary BUREAU OF MINES Robert C. Horton, Director. BLAST VIBRATION MEASUREMENTS NEAR AND ON STRUCTURE FOUNDATIONS By David E. Siskind, Supervisory Geophysicist Mark S.

Stagg, Civil Engineer Twin Cities Research Center, Bureau of Mines, Minneapolis, MN ABSTRACT Blasting near structures often involves measurement of vibrations for the assessment of damage potential.

Title: RI Blast Vibration Measurements Near and On Structure Foundations Author: D. Siskind & M. Stagg Created Date: 7/10/ PM. An aid to those who make and interpret blast vibra­tion measurements, this book serves as an especially useful and timely introduction Wave phenomena are a familiar part of everyone’s experi­ence.

Water waves are perhaps the most graphic, but the existence of sound waves, light waves, and electromagnetic radio and television waves is also well known. Blasting year structures often involves measurement of vibrations for the assessment of damage potential. Several methods of measurement are in use worldwide, but there is no consensus as to which methods are technically sufficient and yet practical for all situations.

This Bureau of Mines study examined five methods of vibration transducer placement to determine the best method for. The Construction Vibration Damage Guide (CVDG) Introduction and Summary.

This chapter of the Construction Vibration Damage Guide ("CVDG"), in the free Homeowners edition and the comprehensive Professional Edition, is your key to the extensive information provided in the CVDG's other chapters about most aspects of vibration damage to houses, buildings and other structures.

Bulletin BLASTING VIBRATIONS EFFECTS ON STRUCTURES By Harry R. Nicholls, Charles F. Johnson, and Wilbur I. Duvall US Department of Interior. 4. Damage potential of blast vibrations. The extent of structural damage produced from blast vibration depends largely on the quantity of explosive charge used, the distance from the blasting site, the properties of the media through which vibrations are transmitted, and the various blast design parameters adopted in addition to the characteristic properties of the concerned structure (Siskind.

studies (~, 19) took direct measurements of acceleration, displacement, and particle velocity. Peak particle velocity remained the recommended damage criterion.

Earlier studies measured the vibration at various locations: ceiling panels, foundation walls, and at the surface of the soil near the structure.

"The 1-sec time was an overall compromise that was long enough to include all the significant energy in a typical mine blast vibration measured near the source. " Structure Response and Damage Produced by Ground Vibration From Surface Mine Blasting, D. Siskind, M.

Stagg, J. Kopp, and C. Dowding, United States Bureau of Mines Report. Siskind: RI Blast Vibration Measurements Near and On Structure Foundations: Siskind: Assessment of Blasting Vibrations from Surface Mine Blasting in Peabody's Universal Mine: Siskind: The Generation of Low-Frequency Long-Duration Vibrations from Surface Mine Blasting at Blanford, IN:   It will be concluded whether the current vibration criteria, measurement and approach are suitable and sufficient for urban environment and near-structure blasting.

Ground vibration measurement Ground vibration measurements serve two purposes: (1) to derive predictive equations of generation and propagation, and (2) to assess the potential. Collection of excellent articles presenting the latest developments in blast vibration measurements, modeling and mitigation techniques.

Includes contributions on novel environmentally-induced vs blast-induced movements, non-conventional geophysical processing techniques, new modeling approaches, mitigation techniques using smarter blasting methods. Additional Physical Format: Online version: Siskind, D.E.

Blast vibration measurements near and on structure foundations. Avondale, Md.: U.S. Dept. of the Interior. This is based on vibration amplitudes and frequencies, structure responses, theoretical analyses of material strength and strains, and the nature and degrees of the existing damages in the homes inspected.

The existing Dade County blast vibration regulatory limit of in/s PPV, however, does need to be revisited. Factors affecting structural response to blast vibrations are examined and loads equivalent to blast vibrations are presented.

The influence of expansive soils upon structures is briefly reviewed including a summary of soil shrink/swell behavior. the slope, the frequency and the amplitude, of the ground vibration produced by blasting, is explored using numerical models in 3DEC.

The numerical models were calibrated initially with data collected using seismographs installed in a surface mine operation and recording vibrations produced by an underground mine drill and blast operation.

an eight millisecond (8ms) period is calculated by the distance (D) to structure divided by a factor of 50 and the resulting number squared. Scaled distance formula - lbs. per 8ms = (D/50)2 Blasting operations on coalmines have different ground movement limits: Feet from Blast PPV Scale Distance Equation 0 to Wt = (D/50)2.

BLAST VIBRATIONS AND OTHER POTENTIAL CAUSES OF DAMAGE IN HOMES NEAR A LARGE SURFACE COAL MINE IN INDIANA By David E. Siskind,1 Steven V. Crum,2 and Matthew N. Plis3 ABSTRACT The U.S. Bureau of Mines studied seven homes near .If the charge is near the surface there may also be propagation through the air.

This will be referred to separately. velocity of about 3 inches per second in the foundation walls nearest the blast. Note that this is for vibrations of the structure rather than the soil. The measurement of vibration velocity is usually done by means of.Structure Response.

Residential structure response to blast vibration has been researched extensively (Example: USBM RI and RI ). And frequency is a very important component of ground vibration because it affects how structures respond.

The general types of response within a structure caused by external vibrations are.