ATE77485T1 - Kernstrahlungsapparat und verfahren zur dynamischen messung der dichte von pruefstoffen waehrend der verdichtung. - Google Patents

Kernstrahlungsapparat und verfahren zur dynamischen messung der dichte von pruefstoffen waehrend der verdichtung.

Info

Publication number
ATE77485T1
ATE77485T1 AT87400864T AT87400864T ATE77485T1 AT E77485 T1 ATE77485 T1 AT E77485T1 AT 87400864 T AT87400864 T AT 87400864T AT 87400864 T AT87400864 T AT 87400864T AT E77485 T1 ATE77485 T1 AT E77485T1
Authority
AT
Austria
Prior art keywords
density
nuclear radiation
radiation device
test materials
materials during
Prior art date
Application number
AT87400864T
Other languages
German (de)
English (en)
Inventor
William F Troxler Sr
Original Assignee
Troxler Electronic Lab 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 Lab Inc filed Critical Troxler Electronic Lab Inc
Application granted granted Critical
Publication of ATE77485T1 publication Critical patent/ATE77485T1/de

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)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (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)
AT87400864T 1986-05-22 1987-04-15 Kernstrahlungsapparat und verfahren zur dynamischen messung der dichte von pruefstoffen waehrend der verdichtung. ATE77485T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86577686A 1986-05-22 1986-05-22
EP87400864A EP0246937B1 (en) 1986-05-22 1987-04-15 Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction

Publications (1)

Publication Number Publication Date
ATE77485T1 true ATE77485T1 (de) 1992-07-15

Family

ID=25346204

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87400864T ATE77485T1 (de) 1986-05-22 1987-04-15 Kernstrahlungsapparat und verfahren zur dynamischen messung der dichte von pruefstoffen waehrend der verdichtung.

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 (5)

* 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
EP1427890B1 (en) 2001-09-19 2010-03-03 Volvo Construction Equipment AB Construction vehicle with a system for measuring material properties
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

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
BR8702615A (pt) 1988-02-23
AU603097B2 (en) 1990-11-08
JPS62291553A (ja) 1987-12-18
EP0246937A2 (en) 1987-11-25
CA1277445C (en) 1990-12-04
DE3779815D1 (de) 1992-07-23
ZA871069B (en) 1987-08-06
EP0246937A3 (en) 1989-11-08
GR3005069T3 (OSRAM) 1993-05-24
DE3779815T2 (de) 1993-02-04
AU7268787A (en) 1987-11-26
ES2033332T3 (es) 1993-03-16
EP0246937B1 (en) 1992-06-17

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