JPS5677741A - Tester for hardening degree of mortar or the like - Google Patents

Tester for hardening degree of mortar or the like

Info

Publication number
JPS5677741A
JPS5677741A JP15442879A JP15442879A JPS5677741A JP S5677741 A JPS5677741 A JP S5677741A JP 15442879 A JP15442879 A JP 15442879A JP 15442879 A JP15442879 A JP 15442879A JP S5677741 A JPS5677741 A JP S5677741A
Authority
JP
Japan
Prior art keywords
sample
interpenetration
head
output
motors
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP15442879A
Other languages
Japanese (ja)
Other versions
JPS6230372B2 (en
Inventor
Kenichi Kurokawa
Hideki Sawai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MARUTO SEISAKUSHO KK
Original Assignee
MARUTO SEISAKUSHO KK
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 MARUTO SEISAKUSHO KK filed Critical MARUTO SEISAKUSHO KK
Priority to JP15442879A priority Critical patent/JPS5677741A/en
Publication of JPS5677741A publication Critical patent/JPS5677741A/en
Publication of JPS6230372B2 publication Critical patent/JPS6230372B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

PURPOSE: To realize an automatic measurement for the resistance of interpenetration of the sample, by interpenetrating the head of needle into the sample and then displaying the resistance of interpenetration by the output of the load cell.
CONSTITUTION: The motors 8, 17 and 22 are used for driving the head of needle and the sample. In addition to these motors, the load cell 3, the displacement meter 12, the timer and the display device 35 are provided. After the set time of the timer, the head 1 of needle is interpenetrated into the sample 15 by the motor 8. The motor 8 is reversed when the output of the meter 12 reaches the set value to be reset to the original position, and then the sample 15 is shifted to the next position, and then the sample 15 is shifted to the next position of interpeneration by the motors 17 and 22. The motor 8 is stopped or reversed when the output of the cell 3 reaches the set value, thus stopping the interpenetration of the head 1 into the sample 15. Then the resistance of interpenetration is displayed on the display device 35 by the output of the cell 3.
COPYRIGHT: (C)1981,JPO&Japio
JP15442879A 1979-11-30 1979-11-30 Tester for hardening degree of mortar or the like Granted JPS5677741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15442879A JPS5677741A (en) 1979-11-30 1979-11-30 Tester for hardening degree of mortar or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15442879A JPS5677741A (en) 1979-11-30 1979-11-30 Tester for hardening degree of mortar or the like

Publications (2)

Publication Number Publication Date
JPS5677741A true JPS5677741A (en) 1981-06-26
JPS6230372B2 JPS6230372B2 (en) 1987-07-02

Family

ID=15583952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15442879A Granted JPS5677741A (en) 1979-11-30 1979-11-30 Tester for hardening degree of mortar or the like

Country Status (1)

Country Link
JP (1) JPS5677741A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06148053A (en) * 1992-11-11 1994-05-27 Kajima Corp Method for estimating resistance of steel product inserted into concrete
KR100932380B1 (en) * 2007-05-18 2009-12-16 재단법인 한국건자재시험연구원 Concrete setting time automatic measuring device
JP2014101717A (en) * 2012-11-21 2014-06-05 Fujita Corp Concrete quality control device
JP2014193766A (en) * 2013-03-29 2014-10-09 Tadano Ltd Bolt loosening monitoring device of rotary boom work machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06148053A (en) * 1992-11-11 1994-05-27 Kajima Corp Method for estimating resistance of steel product inserted into concrete
KR100932380B1 (en) * 2007-05-18 2009-12-16 재단법인 한국건자재시험연구원 Concrete setting time automatic measuring device
JP2014101717A (en) * 2012-11-21 2014-06-05 Fujita Corp Concrete quality control device
JP2014193766A (en) * 2013-03-29 2014-10-09 Tadano Ltd Bolt loosening monitoring device of rotary boom work machine

Also Published As

Publication number Publication date
JPS6230372B2 (en) 1987-07-02

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