地盤凍結工法 - Chemical Grout Co., Ltd.

Title:

地盤凍結工法

Document Type and Number:

Japanese Patent JP6687974

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a ground freezing method that enables efficient execution of work by carrying out a design by establishing standards required for the execution of the work.SOLUTION: In a ground freezing method of the present invention, carbon dioxide is used as a coolant; a theoretical value (▵Pcal) of pressure damage is computed; a numerical value (estimated value: ▵Pp) corresponding to an actual value of the pressure damage is computed; and various items required for execution of work are computed and determined from the computed estimated value (▵Pp) of the pressure damage.SELECTED DRAWING: Figure 2

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Inventors:

Tsutomu Tsuchiya
Soma Kei
Yuta Shioya

Application Number:

JP2016019598A

Publication Date:

April 28, 2020

Filing Date:

February 04, 2016

Export Citation:

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Assignee:

Chemical Grout Co., Ltd.

International Classes:

E21D9/04; E02D19/14; E21D9/06

Domestic Patent References:

JP48013657B1
JP2009030954A
JP1172680U
JP2008019650A
JP5315149A
JP2012148600A

Foreign References:

US20040168460

Attorney, Agent or Firm:

Takahashi Patent Office

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