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KR900013154A - Filtration type drainage and its construction method - Google Patents

Filtration type drainage and its construction method

Info

Publication number
KR900013154A
KR900013154A KR1019890001341A KR890001341A KR900013154A KR 900013154 A KR900013154 A KR 900013154A KR 1019890001341 A KR1019890001341 A KR 1019890001341A KR 890001341 A KR890001341 A KR 890001341A KR 900013154 A KR900013154 A KR 900013154A
Authority
KR
South Korea
Prior art keywords
construction method
type drainage
filtration type
filtration
drainage
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
KR1019890001341A
Other languages
Korean (ko)
Other versions
KR920008711B1 (en
Inventor
채대석
Original Assignee
채대석
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 채대석 filed Critical 채대석
Priority to KR1019890001341A priority Critical patent/KR920008711B1/en
Publication of KR900013154A publication Critical patent/KR900013154A/en
Application granted granted Critical
Publication of KR920008711B1 publication Critical patent/KR920008711B1/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/10Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
KR1019890001341A 1989-02-04 1989-02-04 Filtration drainage system and its method Expired KR920008711B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890001341A KR920008711B1 (en) 1989-02-04 1989-02-04 Filtration drainage system and its method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890001341A KR920008711B1 (en) 1989-02-04 1989-02-04 Filtration drainage system and its method

Publications (2)

Publication Number Publication Date
KR900013154A true KR900013154A (en) 1990-09-03
KR920008711B1 KR920008711B1 (en) 1992-10-08

Family

ID=19283633

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890001341A Expired KR920008711B1 (en) 1989-02-04 1989-02-04 Filtration drainage system and its method

Country Status (1)

Country Link
KR (1) KR920008711B1 (en)

Also Published As

Publication number Publication date
KR920008711B1 (en) 1992-10-08

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Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

FPAY Annual fee payment

Payment date: 19951103

Year of fee payment: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 19981009

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19981009

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000