ZA871069B - Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction - Google Patents

Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction

Info

Publication number
ZA871069B
ZA871069B ZA871069A ZA871069A ZA871069B ZA 871069 B ZA871069 B ZA 871069B ZA 871069 A ZA871069 A ZA 871069A ZA 871069 A ZA871069 A ZA 871069A ZA 871069 B ZA871069 B ZA 871069B
Authority
ZA
South Africa
Prior art keywords
nuclear radiation
test materials
materials during
dynamically measuring
during compaction
Prior art date
Application number
ZA871069A
Other languages
English (en)
Inventor
William Finch Troxler, Sr.
Original Assignee
Troxler Electronic Laboratories, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Troxler Electronic Laboratories, Inc. filed Critical Troxler Electronic Laboratories, Inc.
Publication of ZA871069B publication Critical patent/ZA871069B/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/203Measuring back scattering
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/28Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
    • E01C19/288Vibrated rollers or rollers subjected to impacts, e.g. hammering blows adapted for monitoring characteristics of the material being compacted, e.g. indicating resonant frequency, measuring degree of compaction, by measuring values, detectable on the roller; using detected values to control operation of the roller, e.g. automatic adjustment of vibration responsive to such measurements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Architecture (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
ZA871069A 1986-05-22 1987-02-13 Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction ZA871069B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86577686A 1986-05-22 1986-05-22

Publications (1)

Publication Number Publication Date
ZA871069B true ZA871069B (en) 1987-08-06

Family

ID=25346204

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA871069A ZA871069B (en) 1986-05-22 1987-02-13 Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction

Country Status (10)

Country Link
EP (1) EP0246937B1 (OSRAM)
JP (1) JPS62291553A (OSRAM)
AT (1) ATE77485T1 (OSRAM)
AU (1) AU603097B2 (OSRAM)
BR (1) BR8702615A (OSRAM)
CA (1) CA1277445C (OSRAM)
DE (1) DE3779815T2 (OSRAM)
ES (1) ES2033332T3 (OSRAM)
GR (1) GR3005069T3 (OSRAM)
ZA (1) ZA871069B (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029194A (en) * 1990-02-05 1991-07-02 Troxler Electronic Laboratories, Inc. Method and apparatus for accurately measuring the distance to a surface
ES2339929T3 (es) * 2001-09-19 2010-05-27 Volvo Construction Equipment Ab Vehiculo de construccion con un sistema para medir las propiedades de los materiales.
RU2279653C1 (ru) * 2004-12-28 2006-07-10 Сергей Константинович Илиополов Способ оценки состояния дорожных конструкций спектральным анализом волновых полей при тарированном ударном воздействии
GB2530394B (en) 2014-07-24 2017-11-22 Johnson Matthey Plc Apparatus for determining thickness of lining layer
JP7246039B2 (ja) * 2018-10-22 2023-03-27 大成建設株式会社 地面の密度または水分の計測機能を有する移動体および地面計測方法
JP2023156205A (ja) * 2022-04-12 2023-10-24 株式会社大林組 土質遮水層の品質管理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341706A (en) * 1962-05-04 1967-09-12 Dresser Ind Apparatus for and method of terrestrial surveying
JPS5231457B1 (OSRAM) * 1969-05-22 1977-08-15
JPS5338937A (en) * 1976-09-22 1978-04-10 Hitachi Ltd Address conversion mechanism of electronic computer system
CA1198229A (en) * 1982-11-11 1985-12-17 Seaman Nuclear Corporation Measuring device

Also Published As

Publication number Publication date
CA1277445C (en) 1990-12-04
JPS62291553A (ja) 1987-12-18
AU603097B2 (en) 1990-11-08
GR3005069T3 (OSRAM) 1993-05-24
ES2033332T3 (es) 1993-03-16
EP0246937B1 (en) 1992-06-17
DE3779815D1 (de) 1992-07-23
ATE77485T1 (de) 1992-07-15
DE3779815T2 (de) 1993-02-04
AU7268787A (en) 1987-11-26
EP0246937A3 (en) 1989-11-08
EP0246937A2 (en) 1987-11-25
BR8702615A (pt) 1988-02-23

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