Wood decay is caused by the parasitic reproduction of wood rot fungi.
Beijing Zhanxin Horticulture Co., Ltd.
Our company is located in Pingquan City, Chengde, Hebei Province.
There are more than 100 kinds of termites known to harm houses and buildings in the world, and there are 47 kinds of main harmful species.
Insects lay eggs in bark or wood cells and hatch into larvae.
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In addition to affecting the appearance, it has little effect on the strength of wood, as shown in the figure below.
The treatment methods of wood anti-corrosion include: brushing method, normal temperature impregnation method, hot and cold tank impregnation method and pressure impregnation method.
The types of wood preservatives are generally divided into water-soluble preservatives, oil-soluble preservatives, oil preservatives and paste preservatives.
Therefore, the purpose of preventing decay can be achieved by destroying the living conditions of wood rot fungi in wood.
When the temperature is higher than 60 ℃, the wood rot fungus cannot survive and generally stops growing below 5 ℃.
Wood rot fungus (2) discoloration fungus: it is most common in sapwood.
From scheme design to construction, each step is customized for customers to build high-quality ecological wood structure buildings at a price satisfactory to customers.
Wooden columns, wooden stairs and other wooden components in contact with the ground shall be provided with stone footings to make the wooden components higher than the ground and isolated from the humid environment.
There are six kinds of termites that are commonly harmful to housing construction in China, including yellow breasted scattered termites, home termites, wood termites, black winged soil termites and so on.
(3) Chemical treatment of anti-corrosion wood structure during use, if structural measures cannot be used to achieve the purpose of anti-corrosion, chemical treatment can be used for anti-corrosion.
is an enterprise focusing on wooden structure houses under Beijing Baohong Construction Project Management Co., Ltd.
At the same time, in order to prevent moisture and decay, anti moisture layer or skid treated with anti-corrosion shall also be set under the component support.
Larvae eat wood and form wormholes of different sizes.
(1) Wood rot fungi: hyphae (vegetative organs) extend into the wood cell wall and decompose the components of the cell wall as nutrients, resulting in the decay of wood.
With high-quality products, honest style and enthusiastic service, we look forward to creating a green, environmental friendly and humanistic living environment with you.
3.10, insects that eat wood structures are mainly termites and wood bees.
The company adopts the professional prefabrication method to produce wood structure houses, realizing the five in one business model of design, production, sales, installation and maintenance.
Moisture content: generally, wood rot fungi can grow only when the moisture content of wood exceeds 20% ~ 25%, but the most suitable moisture content for growth is 40% ~ 70%, and the moisture content of a small amount of wood rot fungi is 25% ~ 35%.
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And also engaged in anti-corrosion wood, carbonized wood, wood production, processing, manufacturing and sales.
Temperature: the suitable temperature for the growth of wood rot fungus is 25 ~ 30 ℃.
It is a moldy fungus and has little effect on the material.
Termites eat wood, bees eat yellow breast and scattered termites.
As shown in the figure below.
(2) Structural anti-corrosion measures the ends of load-bearing members such as roof truss and girder shall not be closed in masonry or other poorly ventilated environment, and a gap of no less than 5cm shall be left around to ensure appropriate ventilation conditions.
After wood decays, the cells are completely destroyed, which changes the mechanical properties of wood, as shown in the figure below.
Different wood rot fungi have different requirements.
At present, our company has completed the construction works of large-scale projects such as scenic spots, municipal projects, community landscape, wood structure independent houses (villas) and has maintained long-term supply relations with foreign wood structure material suppliers such as Canada, the United States and Russia.
It takes the contents of cell cavity (such as starch, sugar, etc.) as nourishment and does not damage the cell wall.
There are three kinds of fungi that erode wood, namely wood rot fungi, discoloration fungi and molds.
Therefore, the construction period is short, the speed is fast and the efficiency is high.
As shown in Fig.
Our company adheres to the business and service philosophy of reputation first, people-oriented, quality first and continuous innovation.
The service life of wood structure mainly depends on the speed of decay.
Our company selects the best quality Russian Scotch pine and Canadian pine as raw materials to build the wooden structure house, which not only has natural material and low-carbon raw materials; Green health, energy conservation and environmental protection;; Stable structure and simple construction; It has the characteristics of anti-seismic, flame retardant, safety and comfort, and is durable, anti-corrosion, warm in winter and cool in summer, comfortable in four seasons, safe and solid fire and moisture prevention, anti-seismic, environmental protection and pollution-free, and practical landscaping.
Discoloration fungus (3) mold: it grows on the surface of wood.
Wood decay is caused by fungi parasitizing in wood.
Decay is the most serious defect of wood structure.
Zhanxin horticultural wooden house construction expert (website: www.zxyybj.com contact: manager Lin Tel; 13801215992; 13501173599) is an enterprise integrating design, R & D, manufacturing and installation of wooden houses and wooden landscapes.
Discoloration bacteria make sapwood turn red, blue, green, yellow, brown or gray.
In addition to the main building, the electrical assembly, water supply and drainage, ventilation, heating and air conditioning, sanitary bathing, fire control and decoration are also completed.
It can be removed by scraping the wood surface.
It has modern standard workshop, professional production equipment, first-class technicians, unique production technology and world advanced anti-corrosion, insect proof, moisture-proof and flame-retardant treatment technology.
(4) In addition to being corroded by fungi and decayed, wood will also be eaten by insects.
Methods of mold to prevent decay: (1) conditions limiting the growth of wood rot fungi.
Generally, wood rot fungi are difficult to grow when the moisture content of wood is less than 20%.
Its main business is mobile wooden house, wooden structure house, wooden villa, heavy wooden house, light wooden house, garden viewing and other projects.
3.9 and Fig.