Last edited by Kishakar
Sunday, July 26, 2020 | History

2 edition of Soviet strong-motion and vibration-and-blast seismographs found in the catalog.

Soviet strong-motion and vibration-and-blast seismographs

Charles Shishkevish

Soviet strong-motion and vibration-and-blast seismographs

by Charles Shishkevish

  • 14 Want to read
  • 10 Currently reading

Published by Rand in Santa Monica .
Written in English

    Subjects:
  • Seismometers,
  • Seismology -- Soviet Union

  • Edition Notes

    SeriesRand report -- R-1652-ARPA, R (Rand Corporation) -- R-1652-ARPA
    ContributionsRand Corporation, United States. Defense Advanced Research Projects Agency
    The Physical Object
    Paginationxiv, 84 p. :
    Number of Pages84
    ID Numbers
    Open LibraryOL15268638M

    The Evolution of "Seismograms" Octo by Bill Steele. for every data channel we maintain as well as some supported by our partners in adjoining regions producing over seismograph images for your perusal. Access to older data. Until all nuclear explosions were conducted near or above the surface of the Earth. But in that year, on September 19 in Nevada, the first underground nuclear explosion occurred. Code-named RAINIER, it was planned in part to see if nuclear testing could be done in an environment that was unhampered by the weather or by concerns over.

    A seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. Seismometers are usually combined with a timing device and a recording device to form a seismograph. The output of such a device—formerly recorded on paper (see picture) or film. When an earthquake occurs, the shockwaves of released energy that shake the Earth and temporarily turn soft deposits, such as clay, into jelly (liquefaction) are called seismic waves, from the Greek ‘seismos’ meaning ‘earthquake’. Seismic waves are usually generated by movements of the Earth’s tectonic plates but may also be caused by explosions, volcanoes and landslides.

    The United States and its NATO allies wanted to monitor Soviet (and later, Chinese) underground nuclear tests using seismographs. Geodetic Survey. In , the Coast and Geodetic Survey asked California structural engineers for advice in setting up strong-motion seismographs, and to design buildings to be more resistant to earthquake. I think the correct answer from the choices listed above is the first option. The creep meter of a seismograph moves. A creep meter is an instrument used to measures ground over an active fault line has slowly moved in a horizontal direction. Hope this helps.


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Soviet strong-motion and vibration-and-blast seismographs by Charles Shishkevish Download PDF EPUB FB2

Intended primarily for U.S. seismologists working with strong-motion data, and persons interested in Soviet advances in seismic instruments, the report contains four tables listing the technical specifications of Soviet seismometers and accelerometers used most widely in galvanometrically recording strong-motion seismographs; a description of recorders; characteristics of four of the most widely used strong-motion instruments.

Get this from a library. Soviet strong-motion and vibration-and-blast seismographs. [Charles Shishkevish; Rand Corporation.; United States.

Defense Advanced Research Projects Agency.]. The report contains: (1) four tables listing the technical specifications of Soviet seismometers and accelerometers used most widely in galvanometrically recording strong-motion seismographs: (2) a description of recorders; characteristics of four of the most widely used strong-motion instruments; and specifications of direct-recording, three-component seismograph systems.

strong-motion and vibration-and-blast seismographs^ prepared as part of a continuing Rand study, sponsored by the Defense Advanced Research Projects Agency, of selected areas of Soviet science and technology.

seismographic stations known to be operating in the Soviet Union in and on their seismographs. A separate Report, Soviet Strong-Motion and Vibration-and-Blast Seismographs, RARPA, was published in July Preceding page blank M : C Shishkevish.

Each KiK-net station has a borehole of m or more in depth and strong motion seismographs have been installed both on the ground surface (uphole) and at the bottom of the boreholes (downhole).Cited by: Seismic hazard analysis was carried out for grid points on a ° × ° mesh within a rectangle defined by longitudes 92 °E and latitudes 0° °N.

The falling pin seismograph was designed in by Edward Rockwell of Rutgers University. This portable seismograph was designed on the principle that more kinetic energy is required to knock over a shorter pin than a taller pin. The seismograph consisted of a number of ¼ inch diameter steel pins of varying heightFile Size: KB.

amplitudes given in decibels. A seismograph is an instrument that records ground motions and is usually a package of three mutually orthogonal ground vibration transducers, signal conditioners, and a recording mechanism, such as a light-beam oscillograph or magnetic tape, Some seismographs do not.

Erhard Wielandt, in International Geophysics, Testing for Linearity. Seismographs need not record the ground motion with extreme precision; most methods of interpretation do not depend on minor amplitude errors or waveform distortions.

In one respect, however, a broadband seismograph must be precise: it must be a linear system, that is, it must conform to the. InWiechert introduced viscous damping of the pendulum [21], using the resistance of air in a piston and cylinder to provide the damping. It could be controlled by a valve that regulated the air going in and out of the piston.

Wiechert's first seismograph used a horizontal pendulum and photographic recording, Cited by: Introduction to Strong Motion Seismology Norm Abrahamson Pacific Gas & Electric Company SSA/EERI Tutorial 4/21/ Probabilistic Methods.

Deterministic Approach • Select a small number of individual earthquake scenarios: M,R(Location) pairs •. Charles Shishkevish. Propagation of Lg seismic waves in the Soviet Union Molecular and Metallic Hydrogen Soviet Seismographic Stations and Seismic Instruments, Part II Soviet Strong-Motion and Vibration-and-Blast Seismographs.

Soviet Seismographic Stations and Seismic Instruments, Part I “You know, if Cayce was right, Los Angeles should have plenty of data for its strong-motion seismographs.

It should be an interesting study.” Cayce seemed to understand earthquakes. Asked about their causes, back inhe replied somewhat like a Greek oracle. Web Services for real-time and catalog earthquakes, hazard maps, slabs, and more. Currently to make geodetic observations the USGS uses the Global Positioning System (GPS) and also other techniques.

(creepmeters, tiltmeters, strainmeters, magnetometers, pore pressure monitors). The data obtained from active source studies are archived at. The near- and far-field seismic motions induced by the airgun source were recorded by a km long seismic profile composed of 16 portable seismometers and a m long strong motion seismograph.

are traces of amplified, electronically recorded ground motion made by seismographs. P waves Are push-pull waves that push (compress) and pull (expand) in. Strong-motion field seismographs have also been used in the context of seismic source discrimination in an extended experimental program of near-source recordings at the Nevada Test Site, begun in Concomitant wave-propagation and moment-tensor modeling have resulted, and the work continues (Stump and Johnson, ).

Conclusions. Chapt. 8: Seismographs; Nancy M. • 4 cards. A seismograph is designed to measure and record _____. earthquake waves. During the arrival of earthquake waves at a seismograph station, the movement of the suspended mass of the seismograph _____.

During the Cold War, why did Soviet and American scientists use seismographs to monitor each. From first to last, in what order are seismic waves registered on a seismograph.

P waves, S waves, Love waves, and then Rayleigh waves. Which classification would describe total damage on the Modified Mercalli Intensity Scale.

XII. What is the term for the point inside the crust where an earthquake originates?. Background ISEE Seismograph Standards Subcommittee formed in in response to discrepancies in seismograph readings Initial goal – All blasting seismographs should read the same for a given blast Section established Two primary components of performance Seismograph construction Field deployment First ISEE standards complete in •Where and why would a strong motion seismograph be used?

• What are the Z, N, and E components in a basic seismograph system? Z- vertical; N- Horizontal N-S; E – Horizontal E-W • What are some different types of seismograms (the physical record)?

• What are the important things to "read" on a seismogram? Exact arrival time of P & S and Surface Waves, Direction of .There exists a network of strong-motion seismographs in the area surrounding Ragun Dam.

There are, however, no seismographs on the dam itself. It is proposed to install strong-motion seismographs on and in the dam for the purpose of studying earthquake-resistant designs of .