Bamboo plywood Which is the best wood formwork, which is better, bamboo plywood or cement board?

This is just a theory! In fact, it depends on the environment and the use of workers!

It depends on the use of the area, the south is basically used wooden planks, the north due to climate reasons, the use of bamboo plywood will be more, the landlord said that it is only partially reasonable.

1.Bamboo plywood formwork has high strength, good toughness, and the static bending strength of the board is equivalent to 8-10 times of the strength of wood, which is 4-5 times the strength of wood plywood, which can reduce the number of formwork supports.

2.The bamboo plywood formwork has a wide width, less joints, and the basic size of the board is equivalent to the area of the block steel formwork, and the support and removal speed is fast.

Simple to install and easy to maintain.

1.The surface of the bamboo plywood formwork is smooth and easy to demold. The adsorption force of the surface of the formwork of the bamboo plywood formwork on the concrete is only one-eighth of that of the steel formwork, and the concrete surface is smooth and smooth, which can cancel the plastering operation and shorten the construction period of the decoration operation.

2.Bamboo plywood formwork has good water resistance. The board is not glued after 3 hours of boiling, and the board will not be deformed when exposed to water and moisture during the concrete curing process.

3.Bamboo plywood formwork is anti-corrosion and insect-proof.

4.The thermal conductivity of bamboo plywood formwork is much smaller than that of steel formwork, which is conducive to winter construction and heat preservation.

Economical bamboo plywood formwork has a high turnover time, the board can be used on both sides, and the frameless bamboo plywood formwork can be used 30-50 times; 50% lower cost than small steel molds.

Environmental significance The maturity period of bamboo is only 3-5 years, and bamboo will naturally regenerate after cutting, and at the same time, the reasonable cutting of bamboo can protect the derivation of bamboo resources, while trees take decades to become wood"It is undoubtedly the best way to effectively protect forests.

When you choose bamboo plywood formwork, you are also invisibly dedicating a love to protect our common living environment.

The superiority of the comparison between high-grade laminated building formwork and bamboo plywood.

Bamboo plywood is limited by its own material characteristics, thickness tolerance is not easy to grasp, high-grade wood mold construction performance is higher than bamboo plywood, easy to nail, saw, drilling to facilitate construction, good water resistance, boiling for 20 hours without glue, light weight than bamboo plywood, cast-in-place surface smooth, flat, and the use of bamboo plywood cast-in-situ surface bamboo mat print is a big defect.

Advantages of Shimizu building formwork series plates:

Light weight: more suitable for high-rise buildings and bridge construction.

Large format: the maximum format is 2440 1220mm, which reduces the number of seams and improves the efficiency of formwork.

No warping, no deformation, no cracking, good water resistance, high turnover times, long service life.

The demoulding is easy, only 1 7 of the steel mold.

Fair-faced concrete: the surface of the pouring object is smooth and beautiful, minus the secondary plastering process of the wall, which can be directly veneered and decorated, reducing the construction period by 30%.

Corrosion-resistant: does not pollute the surface of concrete.

Good thermal insulation performance, conducive to winter construction.

It can be used as a template for warping planes.

Good construction performance. Nailing, sawing, drilling, etc. are better than bamboo plywood and small steel plates. It can be processed into various shapes of formwork according to construction needs.

Bamboo plywood is better, and it is better to ask the professionals around you.

Bamboo plywood belongs to the category of membrane board, bamboo multi-layer board, is the use of multi-layer board after filming, the main material is bamboo, after molding on both sides covered with film, mainly used in construction, such as building construction to build the infrastructure of the house. There are also steel stencils, wood stencils, and plastic stencils for similar products. Bamboo plywood has high density and good strength, and can be used as a template.

As the name suggests, cement board is a kind of building slab processed and produced with cement as the main raw material, which is a kind of building product between gypsum board and stone, which can be freely cut, drilled and carved, and has become a widely used building material in the construction industry with its superior to gypsum board and wood board fire prevention, waterproof, anti-corrosion, insect proof, sound insulation performance and far lower than that of stone. Cement slabs are available in prefabricated and cast-in-place.

There are many types of cement boards, which are mainly divided into ordinary cement boards, fiber cement boards, and fiber cement pressure boards according to grades; According to the strength, it is mainly divided into non-pressure plate (ordinary plate), fiber reinforced cement board, and high-density fiber cement pressure plate; According to the fiber used, it is mainly divided into chrysotile fiber cement board and asbestos-free fiber cement board.

1. Ordinary cement board.

Ordinary cement board is the lowest grade of commonly used products, the specifications are mainly 1200 * 2400 *, the thickness is between 6-12mm, the market is roughly 10 yuan 20 yuan, the main components are cement, fly ash, sand, the cheaper the cement dosage, some manufacturers in order to reduce costs even do not use cement.

Hello, what glue can only be used for bamboo board installation, such as polyurethane structural glue, floor glue, silane glue, etc. I hope mine is helpful to you and I wish you a happy life. Structural adhesive for bonding bamboo and wood slippery fiberboard with wall wallpaper.

The structural adhesive has high strength, anti-Zen blind peeling, impact resistance, and simple construction technology. It is used for bonding between metal, ceramic, plastic, rubber, wood and other materials of the same or different materials.

According to the test report on the market, compared with the formaldehyde volatilization of the two, the formaldehyde of the bamboo plywood is higher than that of the wood formwork, which can reach about 200mg l, and the formaldehyde volatilization of the wood formwork is below 50mg l, the range is smaller, and the quality is better. Formaldehyde harmful substances in the celebration of this, exceeding the standard will have a negative impact on the human respiratory system, nervous system, therefore, when buying furniture, we must pay attention to its formaldehyde volatilization, so as not to affect the health of family members. In addition to wood formwork and bamboo plywood, there are other wooden furniture, including composite furniture, wood panel furniture, etc., which also have formaldehyde volatilization, so when buying furniture, you should carefully check their formaldehyde volatilization to ensure the health of family members.

In general, I recommend using bamboo plywood as a formwork for construction projects. Zhi bamboo glue dao board of the specialty.

Point: 1. Material: Bamboo plywood is made of southern bamboo.

of the main raw materials; Wood formwork is made of pine and eucalyptus as the main raw materials;

2. Weight: Wood formwork is lighter than bamboo plywood;

3. Strength: Bamboo plywood is made of southern bamboo after throwing pieces, and then woven into bamboo curtains, there are short curtains and long curtains, in the template embryo, it is composed of long curtains and short curtains staggered warp and weft, and then combined by high temperature and high pressure, the strength is higher; The wood formwork is made of pine veneer and eucalyptus veneer after being glued layer by layer, first cold pressed and then hot pressed, and then remolded;

Fourth, toughness: the toughness of bamboo plywood is better;

5. Number of uses: 8 times for ordinary bamboo plywood, 6 times for wood formwork;

Hello, I don't know how high your housing construction project is, generally I recommend using bamboo plywood, bamboo plywood and plate wood formwork mainly.

Let's talk about the following aspects:

1. Material: Bamboo plywood is made of southern bamboo as the main raw material; Wood formwork is made of pine and eucalyptus as the main raw materials;

2. Weight: Wood formwork is lighter than bamboo plywood;

3. Strength: Bamboo plywood is made of southern bamboo after throwing pieces, and then woven into bamboo curtains, there are short curtains and long curtains, in the template embryo, it is composed of long curtains and short curtains staggered warp and weft, and then combined by high temperature and high pressure, the strength is higher; The wood formwork is made of pine veneer and eucalyptus veneer after being glued layer by layer, first cold pressed and then hot pressed, and then remolded;

Fourth, toughness: the toughness of bamboo plywood is better;

5. Number of uses: 8 times for ordinary bamboo plywood, 6 times for wood formwork;

6. Habits: There are more wooden formwork in the south and more bamboo plywood in the north;

1. Laying steel bars on the concrete slab surface is not of much use to bear the load (weight) on the slab, and laying steel bars on the 4-meter-wide slab surface only helps to limit the cracks on the edge of the wall near the slab.

3. It is useless to lay steel bars on top of the slab, and there is rebar on the 4-meter-wide wall, which I think is the dark column of the shear wall.

4. I don't know what you want to do, but this thickness is 6mm, and there is generally no marked unit on the project, and it is generally considered to be mm, unless otherwise specified.

5. If you are afraid of problems, it is a better way to paste carbon fiber at the bottom of the board.

6. In the structural design, the load on the plate is the live load and the dead load, the dead load is generally the thickness of the board and leveling and plastering, and the live load is generally taken 2kn m2, that is, 200kg a square.

In summary, I think it has nothing to do with knocking out all the original floor tiles for structural safety, because the weight of the floor tiles has been taken into account in the structural design, and you knock out the original floor tiles and then paste a layer of floor tiles for structural safety, which I personally think is safe, and the load in the structural design has been magnified factor, for the floor tiles, concrete slabs have been magnified times, and the live load (tables, benches, people, etc.) has been magnified, that is to say, the weight in is the limit of the weight of the board.

This plate surface reinforcement is mainly the role of a steel skeleton, which does not help much to bear the load, so it does not matter if the upper steel bar is exposed.

Building formwork and bamboo plywood are mainly discussed from the following aspects: 1. Material: bamboo plywood is made of southern bamboo as the main raw material; Wood formwork is made of pine and eucalyptus as the main raw materials;

2. Weight: Wood formwork is lighter than bamboo plywood;

3. Strength: Bamboo plywood is made of southern bamboo after throwing pieces, and then woven into bamboo curtains, there are short curtains and long curtains, in the template embryo, it is composed of long curtains and short curtains staggered warp and weft, and then combined by high temperature and high pressure, the strength is higher; The wood formwork is made of pine veneer and eucalyptus veneer after being glued layer by layer, first cold pressed and then hot pressed, and then remolded; Search.

Fourth, toughness: the toughness of bamboo plywood is better;

5. Number of uses: 8 times for ordinary bamboo plywood, 6 times for wood formwork;

6. Habits: There are more wooden formwork in the south and more bamboo plywood in the north; In the long run, bamboo plywood is more suitable for high-rise buildings, Zhongnan Shenjian bamboo plywood has 11 years of production history, I hope my answer will be helpful to you.

Bamboo plywood is larger and heavier than wood formwork, and we basically don't use bamboo plywood here now. Because the current wood formwork can also reach the number of uses of bamboo plywood. The wooden formwork is lightweight.

Building formwork and bamboo plywood are mainly discussed from the following aspects:

1. Material: Bamboo plywood is made of southern bamboo as the main raw material; Wood formwork is made of pine and eucalyptus as the main raw materials;

2. Weight: Wood formwork is lighter than bamboo plywood;

3. Strength: Bamboo plywood is made of southern bamboo after throwing pieces, and then woven into bamboo curtains, there are short curtains and long curtains, in the template embryo, it is composed of long curtains and short curtains staggered warp and weft, and then combined by high temperature and high pressure, the strength is higher; The wood formwork is made of pine veneer and eucalyptus veneer after being glued layer by layer, first cold pressed and then hot pressed, and then remolded;

Fourth, toughness: the toughness of bamboo plywood is better;

5. Number of uses: 8 times for ordinary bamboo plywood, 6 times for wood formwork;

6. Habits: There are more wooden formwork in the south and more bamboo plywood in the north;

Hello, under normal circumstances, bamboo plywood is used phenolic glue, but it is not excluded that some small projects are replaced by other defective glue, Zhongnan Shenjian glue is a special phenolic and water-impregnated bamboo plywood pressed by Zhongnan Forestry College, after glue brightness is good, strong adhesion, you can consult Zhongshen Arrow. I hope my answer is helpful to you.

Generally, water-soluble phenolic resin adhesive is used, and water-soluble phenolic resin adhesive is the most important class of insoluble phenolic resin glue. The free phenolic content in its components is low (general< and less harmful to the human body, and the water-soluble phenolic resin can save a lot of organic solvents and is easy to clean in the gluing operation, so it is widely used in the wood processing industry. This adhesive is mainly used to glue wood.

Bamboo plywood is made of equal-thickness bamboo pieces with grooves glued together as its constituent units, and the bamboo chips are prepared by rolling and planing"The high temperature of the bamboo softens and flattens the flattening"It is the process characteristic of the product. Bamboo plywood can be used as a general structural panel, or it can be used as a cabin floor through panel lengthing and surface treatment.

Process characteristics. 1. Preparation of thick bamboo slices with grooves.

The large-diameter moso bamboo is cross-cut into bamboo segments, milled off the outer section and longitudinally cut into 2-4 pieces, and then milled off the inner section for cooking and softening, and then heated and pressurized on the upward pressure single-layer flat press to form the arc-shaped bamboo block into a flat surface. Finally, it is processed into equal thickness bamboo pieces without bamboo green and bamboo yellow after double-sided planing.

2. Shaping and drying.

In order to prevent the bamboo chips from curling and deforming under the action of transverse elastic resilience during the drying process, the process and equipment of pressure drying must be adopted to heat the wet bamboo chips under pressure, and when the pressure is relieved, the moisture is excluded and the shrinkage is free.

3. Bamboo sizing.

A four-roller gluing machine is used to coat the bamboo sheet roller with water-soluble phenolic resin glue, and the gluing amount is 300-350g (double-sided). 1%-3% flour and soybean flour can be added to the adhesive as filler. The filler can make the bamboo piece easy to form a glue film on the surface after gluing, and it is not easy to produce glue flow during hot pressing, and the brittleness of the glue layer can be improved after curing.

4. Assembling blanks. The blank is assembled by hand, in strict accordance with the principle of symmetry, the principle of odd layers and the principle that the texture of adjacent layers of bamboo is perpendicular to each other. The panel is required to use good bamboo, and the lower material bamboo is used as the backboard. The bamboo green of the face and back plate faces outward, and the bamboo yellow faces inward; When the core board is assembled, the orientation of the adjacent bamboo pieces is required to be arranged alternately according to the bamboo green surface and bamboo yellow surface.

5. Pre-pressing and hot pressing.

Preloading In order to prevent defects such as core stacking and seam separation caused by the displacement of the slab when loading the plate into the hot press, the slab should be pre-pressed at room temperature before hot pressing after the blank is assembled and pressed, so that it can be bonded into an integral material.

Hot pressing adopts hot one hot gluing process, the hot pressing temperature is about 140oC, the unit pressure is, and the hot pressing time is calculated according to the thickness of the finished plate, generally.

In order to prevent"Bubbling"The phenomenon is usually produced in the later stage of hot pressing by a three-stage depressurization process. The first stage is reduced by the working pressure"Equalize pressure", the second paragraph consists of"Equalize pressure"Reduced to zero, the third section from zero to the hot platen to complete the opening.

6. Extension and surface treatment of plates.

Bamboo plywood is mainly used as the floor of the carriage, so the length of the plate is required to be consistent with the length of the carriage, and the pressed plate is shorter, so it needs to be lengthened.

The length and surface treatment of the plate include end milling bevel, inclined gluing and lapping, hot crimping length, longitudinal trimming, plate gluing and laminating the wire mesh, and then hot pressing to solidify the adhesive layer on the board surface and press out the mesh marks.