A manufacturing method of a large-sized artificial stone - Nippon Steel & Sumitomo Metal Corporation

Title:

A manufacturing method of a large-sized artificial stone

Document Type and Number:

Japanese Patent JP6241350

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To efficiently manufacture a highly accurate artificial stone in large quantities, by preventing co-lifting of a hydraulic setting material installed when forming a notch groove.SOLUTION: A manufacturing method of an artificial stone having a thickness of 50 cm-100 cm manufactured by using a hydraulic setting material, and an outer frame block 2 is installed in a plane site with a height of a thickness or more of the artificial stone, and the hydraulic setting material C having a slump value of 5 cm-12 cm is filled-molded inside the outer frame block 2, and a notch index indicated by the product of surface hardness of the hydraulic setting material when filled in the outer frame block 2 or after completing filling and the ratio of an artificial stone thickness of the notch depth, is used as a management index, and a notch groove of the notch depth is formed on a partition plate so that the notch index falls within a constant range, and is crushed along the noth groove when a residual part strength index indicated by the product (σ×e) of uniaxial compressive strength σ of a hydration hardening body after curing and the ratio (e) of the artificial stone thickness of a residual thickness of reducing the notch depth from the artificial stone thickness is 0≤(σ×e)≤6.5.

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Inventors:

Yoshihiro Takano
Ryusuke Uemura
Kimura Takanori

Application Number:

JP2014070525A

Publication Date:

December 06, 2017

Filing Date:

March 28, 2014

Export Citation:

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Assignee:

Nippon Steel & Sumitomo Metal Corporation

International Classes:

E02B3/14; B28B11/14; C04B18/14; C04B28/02

Domestic Patent References:

JP2011001234A
JP2009107908A
JP11226932A
JP2002210863A
JP2006001191A
JP2012012287A

Foreign References:

EP2314432A1

Other References:

鉄鋼スラグ水和固化体技術マニュアル-製鋼スラグの有効利用技術-,日本,財団法人沿岸開発技術研究センター,2003年 3月,第48-53頁、第64-66頁

Attorney, Agent or Firm:

Masatake Shiga
Mitsuo Teramoto
Sumio Tanai
Tomoo Katsumata
Hiroshi Yamaguchi

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