This is the old house on the original site, which has been used for more than 30 years.
The old house must be demolished and the new house must meet the current seismic standards.
Level the site, start ground survey and positioning, and prepare for foundation soil construction.
High-tech products are used to test the geological carrying capacity of the soil below the ground by using special ultrasonic testing instruments.
After confirming that it meets the building requirements, first spread a layer of fine sand and gravel on the base, and tamp the base with a rammer.
After repeated compaction, lay a layer of high-quality plastic waterproof and moisture-proof film to prevent moisture in underground soil from infiltrating into the room through the foundation slab.
Then pour cement mortar, and then reinforce the foundation to prevent the foundation from moving, twisting and uneven settlement in the soil.
After the cushion layer is hardened, the formwork is installed around it, and then the raft foundation slab reinforcement and anti-beam reinforcement are bound.
After the unified pouring is completed, the galvanized steel bolts are embedded in the concrete of the foundation wall, and the subsequent construction will be connected and fixed with the bottom of the upper wood bearing frame.
Then install water supply pipeline and drainage pipeline in the foundation of underground overhead layer.
Between the load-bearing structures of the horizontal soil platform, the incombustible glass fiber insulation blanket made of light yellow inorganic materials is filled for heat preservation.
The foundation part is over here, and then the main structure construction is started, and the wooden frame is built in turn.
The tenon-mortise structure closely embeds all wood structure members, and at the same time, in order to strengthen the integrity of the villa, galvanized bolts and special-shaped angle steel are needed!
Roof structure construction, build wooden slope roof truss, and lay waterproof and moisture-proof coiled materials!
Then, the solar panel fixing seat is installed on the upper part of the roof tile. At present, rooftop solar power generation in Japan is booming. As a renewable clean energy, it can get some economic compensation from the government!
Solar panels are installed on the roof.
Waterproof balcony is very important. Here, the Japanese construction team used a kind of glass fiber reinforced plastic FRP-the so-called "glass fiber reinforced plastic" in China in the past, to carry out waterproof structure treatment.
There is an urgent need for non-combustible glass fiber insulation blanket filled with inorganic fixing materials between interior wall structures.
Throughout the whole process, we can find that Japan's self-built houses are very handy in controlling new technologies, and all details are strictly guaranteed.
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