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Large prefabricated blocks “Guardian”
Also recommended for

Civil Engineering

Certification Number for Disaster Prevention Related Products30 高知防産第 3 号
Revolutionary disaster recovery and retaining wall construction with large prefabricated blocks!
When it is difficult to secure formwork technicians and workers for the conventional cast-in-place method When a project cannot be completed in time with the conventional block method Ensuring site safety Reducing costs


Civil engineering/Construction

Also recommended for

Civil Engineering

Adopted/Purchased by

The Ministry of Land, Infrastructure, Transport and Tourism and public and private institutions (Total construction area: approx. 48,000 m² in and outside Kochi Pref.)

Further information can be accessed through this QR code.

  • You can freely choose efficient stability width of 500 mm or larger, and they are suitable for creating retaining walls with both even and uneven thickness. (Slope angles and wall width can also be flexible.)
  • Since the blocks are lightweight, construction can be performed with a small-sized crane, and a retaining wall can be completed by stacking the blocks along a slope and by pouring concrete inside the blocks as filling materials.
  • Using a special hanging hook and joint pins significantly improves safety and speed and shortens the construction period; earthquake resistance is also improved using steel-frame construction.

Dimensions: 1,665 mm W x 1,118 mm L x 500 mm or larger D
Weight: 1,018 kg or more
(The above is a standard type with an area of 1.861m². There is also a 1.00 m² type.)
For blocks with uneven thickness, each block angle can be set freely on both their front and back sides; the width of these blocks can also be set freely.
Panel designs include imitation stone, natural stone, and matte finish.
Reference price: Depends on block shape and depth
(Example) For standard-type imitation stone with a depth of 1,000: 19,210 yen/m² (minimum price)

Shimanto Concrete Co., Ltd.

Address 〒786-0031 Shimantocho Tokonabe 812-2, Takaoka District, Kochi
Phone number/Fax number

Email address shimanto-con@shimanto.tv
Homepage URL https://www.shimanto-c.co.jp