JPS5771927A - Construction of underground columnar structure - Google Patents

Construction of underground columnar structure

Info

Publication number
JPS5771927A
JPS5771927A JP14625580A JP14625580A JPS5771927A JP S5771927 A JPS5771927 A JP S5771927A JP 14625580 A JP14625580 A JP 14625580A JP 14625580 A JP14625580 A JP 14625580A JP S5771927 A JPS5771927 A JP S5771927A
Authority
JP
Japan
Prior art keywords
casing
pit
excavating
under
excavated portion
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
JP14625580A
Other languages
Japanese (ja)
Other versions
JPS6133086B2 (en
Inventor
Tadaaki Yoshida
Makoto Fukushi
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.)
Shimizu Construction Co Ltd
Original Assignee
Shimizu Construction Co Ltd
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 Shimizu Construction Co Ltd filed Critical Shimizu Construction Co Ltd
Priority to JP14625580A priority Critical patent/JPS5771927A/en
Publication of JPS5771927A publication Critical patent/JPS5771927A/en
Publication of JPS6133086B2 publication Critical patent/JPS6133086B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

PURPOSE: To obviate the need for the placement of lean-mix cement mortar in excavated portion by a method in which an excavating casing is inserted into the excavated portion of a pit while excavating, and an iron bar cage is erected in the excavated portion under the guidance of the excavating casing.
CONSTITUTION: In the first place, an auger screw 8 is inserted into a soil-discharging casing 7 prior to excavation, and an excavating casing 9 of the same length as the depth of the upper excavated portion of a pit is connected to the lower end of the soil-discharging casing 7. Under the condition, excavation is started to a depth corresponding to the length of the casing 9, and then an auger screw 8 alone is inserted while being turned to drill a pit 10 of a given length. After the excavation, cement mortar is filled and the casing 7 alone is drawn out of the pit. Under the condition, an iron bar cage 12 is inserted into the pit under the guidance of the casing 9 left behind, and then the casing 9 is pulled out of the pit for recovery.
COPYRIGHT: (C)1982,JPO&Japio
JP14625580A 1980-10-21 1980-10-21 Construction of underground columnar structure Granted JPS5771927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14625580A JPS5771927A (en) 1980-10-21 1980-10-21 Construction of underground columnar structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14625580A JPS5771927A (en) 1980-10-21 1980-10-21 Construction of underground columnar structure

Publications (2)

Publication Number Publication Date
JPS5771927A true JPS5771927A (en) 1982-05-06
JPS6133086B2 JPS6133086B2 (en) 1986-07-31

Family

ID=15403596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14625580A Granted JPS5771927A (en) 1980-10-21 1980-10-21 Construction of underground columnar structure

Country Status (1)

Country Link
JP (1) JPS5771927A (en)

Also Published As

Publication number Publication date
JPS6133086B2 (en) 1986-07-31

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