JPS6448996A - Method of slurry shielding construction - Google Patents

Method of slurry shielding construction

Info

Publication number
JPS6448996A
JPS6448996A JP20407487A JP20407487A JPS6448996A JP S6448996 A JPS6448996 A JP S6448996A JP 20407487 A JP20407487 A JP 20407487A JP 20407487 A JP20407487 A JP 20407487A JP S6448996 A JPS6448996 A JP S6448996A
Authority
JP
Japan
Prior art keywords
slurry
injected
basis
mathematical formula
ground
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.)
Pending
Application number
JP20407487A
Other languages
Japanese (ja)
Inventor
Akimasa Waku
Minoru Aono
Shunichi Kadota
Yoshimasa Ookura
Tatsuya Noma
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.)
Fujita Corp
Original Assignee
Fujita Corp
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 Fujita Corp filed Critical Fujita Corp
Priority to JP20407487A priority Critical patent/JPS6448996A/en
Publication of JPS6448996A publication Critical patent/JPS6448996A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the stability of a face by calculating accurately the density and quantity of slurry to be injected into a pressure chamber or a screw con veyor on the basis of a mathematical formula in accordance with changes in the excavation condition of a shield machine and the ground. CONSTITUTION: The density of slurry to be injected is calculated accurately on the basis of a mathematical formula where the binder and gravel fractions of the ground are a function. The quantity of slurry to be injected is calculated accurately on the basis of a mathematical formula where the ratio of soil particles and the porosity of the excavated ground are a function, thereby obtaining always proper mix proportions and making reasonable planning and estimation by eliminating interpersonal differences based on the subjectivity of persons in charge.
JP20407487A 1987-08-19 1987-08-19 Method of slurry shielding construction Pending JPS6448996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20407487A JPS6448996A (en) 1987-08-19 1987-08-19 Method of slurry shielding construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20407487A JPS6448996A (en) 1987-08-19 1987-08-19 Method of slurry shielding construction

Publications (1)

Publication Number Publication Date
JPS6448996A true JPS6448996A (en) 1989-02-23

Family

ID=16484339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20407487A Pending JPS6448996A (en) 1987-08-19 1987-08-19 Method of slurry shielding construction

Country Status (1)

Country Link
JP (1) JPS6448996A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100969750B1 (en) * 2002-04-12 2010-07-13 내프 엔터프라이즈 캄퍼니 리미티드 Ear pad, and earphone with the pad

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113080A (en) * 1984-06-28 1986-01-21 Matsushita Refrig Co Damper opening and closing apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113080A (en) * 1984-06-28 1986-01-21 Matsushita Refrig Co Damper opening and closing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100969750B1 (en) * 2002-04-12 2010-07-13 내프 엔터프라이즈 캄퍼니 리미티드 Ear pad, and earphone with the pad

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