JPS5771933A - Construction of underground drainage hole - Google Patents

Construction of underground drainage hole

Info

Publication number
JPS5771933A
JPS5771933A JP14737880A JP14737880A JPS5771933A JP S5771933 A JPS5771933 A JP S5771933A JP 14737880 A JP14737880 A JP 14737880A JP 14737880 A JP14737880 A JP 14737880A JP S5771933 A JPS5771933 A JP S5771933A
Authority
JP
Japan
Prior art keywords
cement
water
land
drainage hole
unit
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
JP14737880A
Other languages
Japanese (ja)
Other versions
JPS6321765B2 (en
Inventor
Chikanobu Ishida
Akio Misaki
Akinori Suenaga
Atsushi Sakurayama
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.)
Kajima Corp
Mitsui Petrochemical Industries Ltd
Original Assignee
Kajima Corp
Mitsui Petrochemical Industries 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 Kajima Corp, Mitsui Petrochemical Industries Ltd filed Critical Kajima Corp
Priority to JP14737880A priority Critical patent/JPS5771933A/en
Publication of JPS5771933A publication Critical patent/JPS5771933A/en
Publication of JPS6321765B2 publication Critical patent/JPS6321765B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

PURPOSE: To promote the discharge of water and prevent the sliding of land by injecting fresh concrete with 15W35% voids into a drainage hole provided in a mountanous land.
CONSTITUTION: Four hundred cc of a cement paste with a water-cement ratio of 60% is poured into a 5cm diameter × 40cm high cylindrical container filled with 400cc of water and allowed to stand for hardening. And, test specimens are taken from a 5cm range of the uppermost portion and a 5cm range of the lowermost portion of the hardened cement and measured for their specific gravities in accordance with a testing method. On the basis of the specific gravity measurement method, a fresh concrete, consisting of 0.2W4.0wt% (based on cement) thickening agent by which the difference in specific gravity between both test specimens becomes 0.1 or less, 1,100W1,800kg/cm3 of unit coarse aggregate (10W20mm in max. dimension), 250W400kg/m3 of unit cement amount, and 80W140kg/m3 of unit water amount, with 15W35% voids, is prepared and then poured into a drainage hole drilled in a mountanous land.
COPYRIGHT: (C)1982,JPO&Japio
JP14737880A 1980-10-21 1980-10-21 Construction of underground drainage hole Granted JPS5771933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14737880A JPS5771933A (en) 1980-10-21 1980-10-21 Construction of underground drainage hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14737880A JPS5771933A (en) 1980-10-21 1980-10-21 Construction of underground drainage hole

Publications (2)

Publication Number Publication Date
JPS5771933A true JPS5771933A (en) 1982-05-06
JPS6321765B2 JPS6321765B2 (en) 1988-05-09

Family

ID=15428880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14737880A Granted JPS5771933A (en) 1980-10-21 1980-10-21 Construction of underground drainage hole

Country Status (1)

Country Link
JP (1) JPS5771933A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128624A (en) * 1984-07-16 1986-02-08 Kajima Corp Slope-stabilizing construction
US5733367A (en) * 1995-07-13 1998-03-31 Fuji Oil Company, Limited Cement composition

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550090A (en) * 1978-10-07 1980-04-11 Kloeckner Humboldt Deutz Ag Apparatus for vaporizing carbon by molten metal bath

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550090A (en) * 1978-10-07 1980-04-11 Kloeckner Humboldt Deutz Ag Apparatus for vaporizing carbon by molten metal bath

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128624A (en) * 1984-07-16 1986-02-08 Kajima Corp Slope-stabilizing construction
US5733367A (en) * 1995-07-13 1998-03-31 Fuji Oil Company, Limited Cement composition

Also Published As

Publication number Publication date
JPS6321765B2 (en) 1988-05-09

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