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Other Technology Methods

RC-S (column: RC, beam: S) Method

RC-S (column: RC, beam: S) Method
Overview RC-S method is a hybrid structure built with RC-structured columns and S-structured beams.
Features Enables large-span floor design.
Usage A wide range of applications including use in shopping centers, factories, warehouses, parking space, and offices buildings.
Patents Patent obtained for the RC-S method and related technologies.
(Registration No.3364794)
 

DLW Method (RC cast-in-site subterranean wall method used for primary frame)

DLW Method (RC cast-in-site subterranean wall method used for primary frame)
Overview DLW method enables a RC-structured cast-in-site subterranean wall used as a temporary retaining wall during excavation to be used in the building structure (bearing piles, underground external wall and quake-proof wall) through the use of special joints.
Features Highly rigid as a retaining wall. Allows minimization of deformation to surrounding soil during excavation. Total cost reduction can also be realized by using a temporary retaining wall as part of the building structure.
Usage Deep underground base in soft ground areas like reclaimed land.
Patents Patent obtained for the DLW method and related technologies.
(Registration No.3081121)
 

SHS Permanent Ground Anchor Method

SHS Permanent Ground Anchor Method
Overview SHS permanent ground anchor is a construction method by which the conventional ground anchor used as a temporary retaining wall is reutilized as a foundation for the main frame.
Features
  • (1) Prevents high-rise buildings and towers from toppling, or having their foundations lifted by winds or earthquakes
  • (2) Used as a measure to prevent buildings from being uplifted using high underground water levels and pressure
  • (3) Used in structures built on slopes that are subject to uneven soil pressure
Patents Patent obtained for the SHS Permanent Ground Anchor method and related technologies.
(Registration No.3490145 and others)
 

Inverted Method

Inverted method
Overview While conventional methods begin building from the lowest underground floor after excavation and construct the floors upward one by one, the inverted method allows construction to begin with the ground floor and simultaneously construct upper floors while excavating and constructing the underground floors.
Features
  • (1) Large reduction to construction terms.
  • (2) Effectively uses the ground floor space as a work area.
  • (3) The built-in underground frame is used for in the building structure, reducing deformation of the retaining wall and increasing site safety.
Usage Best suited to construction involving a high degree of work on above and belowground frames needing to be completed in a short period of time.
Patents Patent obtained for the inverted method and related technology.
(Registration No.3108898)
 

High Fluidity Concrete

High Fluidity Concrete
Overview High fluidity concrete is both extremely fluid and self-filling with a slump flow of 50-60 cm.
Features High strength concrete with a low water to cement ratio can be made highly workable and efficiently pumped through conversion to high fluidity concrete. Concrete can also be poured into a spot where reinforced concrete is densely embedded or compaction is difficult.
Usage Suited to super high-rise RC structures (high-strength concrete with a design strength of over 45N/mm2) and CFT structures (filled concrete for columns).
 

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