Show you the whole construction process of steel structure residence in Japan?

Generally speaking, steel structure residence can be divided into two types: light steel structure residence (usually called light steel structure residence in China and light steel reinforced residence in Japan) and steel structure residence (usually called heavy reinforced residence in Japan). The biggest advantage of steel structure is its firmness and reliability, certain toughness and good seismic performance, but it also has great defects. For example, in high-rise buildings, the fire resistance of steel structures is limited, and steel structure members will rust when exposed to water and moisture, so steel structure housing often does fire prevention and rust prevention treatment. In addition, the cost of steel structure may be higher than other structures.

Here is a brief introduction to the construction process of a Japanese steel structure residence. There are many houses built by one family in Japan, mainly wood structures, and few reinforced concrete structures or steel structures.

Residential construction site, survey and alignment positioning.

During construction, measure the control datum and nail the board.

Mechanical excavation of residential foundation and foundation trench. Foundation trench excavation is completed.

Foundation cushion treatment

After the foundation cushion is compacted,

Steel formwork required for pouring concrete foundation on site.

Semi-finished steel mesh is needed for pouring concrete foundation on site.

Foundation, steel mesh placed at the bottom, supported by the surrounding steel formwork.

Binding of foundation and vertical steel mesh.

Foundation, vertical steel formwork raises a corner of the bracket.

A corner of the pumping concrete site

Pumping concrete site

The cast-in-place reinforced concrete foundation is surrounded by a white plastic ring, which plays a role in fixing and controlling the position of steel bars.

After foundation pouring, the top surface of foundation wall is supplemented with special cement.

Concrete foundation is poured, and the top surface of foundation wall is local.

Laying plastic film and curing reinforced concrete foundation.

The finished septic tank, commonly known as "combined purification tank" in Japan, is ready to be installed.

Excavation of combined purification tank and pit.

Residential, outdoor, combined purification tank, hoisting in place.

Residential, outdoor, ground, combined purification tank, appearance.

After the foundation is cured for a period of time, the steel formwork is removed.

Reinforced concrete foundation and steel formwork have been removed.

Residential indoor location, embedded pipes.

The pipeline embedded in the house is local, and 1F stands for the first floor.

Local position of reinforced concrete foundation

Continuous maintenance of reinforced concrete foundation

Corner of reinforced concrete foundation site

External entrance of residence, platform position, concrete pouring.

Outside the residence, the platform concrete pouring site.

Steel structures and components produced by the factory enter the site.

Hoisting of steel structure members

Structural installation of reinforced concrete foundation (called soil platform in Japan) and foundation (namely the first floor).

Steel structure, column, hoisting and positioning.

Floor floor, dedicated, heat insulation bearing plate, hoisting.

Floor, dedicated, thermal insulation bearing plate, laying, in place.

Steel column, hoisting.

Steel structure part, hoisting.

Steel structure, component, connection, fixation.

Factory-made, steel stairs, hoisting in place.

Steel, column, beam, connection.

Steel structure residence, one-story structure, basically completed.

Start the construction of the second floor structure of the steel structure residence.

Second floor, steel structure building, one corner.

Second floor construction

Finished door frames and doors, hoisting.

Finished door frames and doors, hoisting.

Structure of doorway position

Steel stairs that have been paved.

Steel structure residence, external wall, window, finished wallboard, building.

Corner of the second floor construction site

Corner of indoor construction site on the first floor

Entrance on the first floor, door position, corner of the construction site.

First floor entrance, doorway location, construction site.

Installation of entrance, door opening and glass door on the first floor.

Folding outer door

Installation of shutter doors

Installation and debugging of rolling shutter door

The main entrance and gate of the house have been installed.

Corner of the construction site

Corner of indoor construction site

Corner of indoor construction site

Exterior wall panel, construction is nearing completion.

Construction site, the location of a hole.

Corner of external wall construction site

A construction site under the indoor floor.

Corner of external wall construction site

Joint position of external wall and wallboard.

Joint treatment of external wall panel

Joint treatment of external wall panel

Treatment between floors

Construction treatment of roof slab

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