JPS62164938A - Building material - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to sand, gravel, etc. used in various industries such as ceramics and construction.
This product relates to building materials that make use of viscous waste mud generated when cleaning silica stone, etc., and is used as wall materials, floor materials, 3-partition materials, etc.

(Conventional Branch Technique) As a conventional construction material using this kind of stickiness,
There are building boards mixed with wall materials such as Utility Model Application No. 60-15516 or unsintered surfaces as shown in Japanese Patent Application Laid-open No. 60-5953.

(Problems to be Solved by the Invention) However, the clay wall material mentioned in the song title was brittle and cracked, and the latter also had the drawback of being inferior in strength and bulky, making it unsuitable for handling. Furthermore, since each method uses viscous that has been dehydrated and dehydrated to a certain degree, there is a major problem in that the cost of the product is high.

(Objective of the invention) Therefore, the present invention provides an extremely inexpensive building material that is light in weight, has high strength, and has excellent noncombustible heat insulation properties by using clay waste mud that is normally discarded. It is intended to.

(To solve the problem)'-IR) For this reason, the present invention spreads light J4 material into viscous 1-waste mud whose water content is adjusted to a certain range, and also uses a binder to bind them together. After adding
Dehydrate by applying pressure.

The gist is that it was dried.

(Function) (a) Clay waste is used because it is produced when cleaning sand, gravel, silica stone, etc. used in various industries such as ceramics and construction! Since it is waste, it can be used effectively. This point is extremely important.The clay in the waste mud is
Contains a lot of silt with a particle size of 4 pm or less.
Relatively large coarse grains of 4 to 74 mm are easy to dry and can be dried evenly, making them perfect for use in cranks. In addition, when adding binder material, it is desirable to adjust the moisture content to a certain range of viscosity 1: waste mud because it is necessary to determine the amount of binder addition. Fine sand of 74 μm or more, especially fine sand of 20 to 44 μm, dries extremely easily, so by including it, it is possible to easily adjust the moisture content of clay waste mud, making it possible to homogenize building material products. It will be possible to achieve this goal.

It is desirable that the moisture content of clay waste mud be adjusted to 30-70%, and the moisture content of clay waste mud should be adjusted to 20-74%.
Moisture adjustment can be easily achieved by mixing a certain proportion of fine sand. However, if the moisture content of clay waste mud can be adjusted by allowing it to settle for a long time, it is not necessarily necessary to mix in fine sand. Also, it is best to adjust the viscosity so that the content of viscosity of 20 pm or more and that of 20 pm or less are about the same.

(II+) The purpose of mixing light materials is to reduce the weight of the resulting building material, such as styrofoam particles, glass fiber,
Oil-coated sawdust can be used, but it is best to use a material that has excellent insulation properties and is non-water absorbent.

Light! The amount of +1 material mixed is 2 in the bulk volume of the resulting building material product.
0 to 55% is good. If this is less than 20%, the weight cannot be reduced, and if it is more than 55%, the product becomes brittle and cannot be used.

(c) The binder is a clay phase! This is to bind the clay and the light material, and in addition to Cement+4, room-temperature curing acrylic resin emulsion curing agents for 1 mortar can be used.

Mixture r■) is 8 to 8 parts of binder to 100 tons of clay.
35 ton 5i, part is good, cement is 5~l to reduce cost Ojrc' + 1j: part, other binding materials are 8~l
It is good to make it a part of 15 tons. in this case,
If cement is 15 layers thick, the building material will be bulky, which is not appropriate. Also, if the amount of other binders is small, the binding effect will be small and the product will become brittle, and if the amount is too large, the cost will be high, but this is not constant depending on the type of binder.

Experiments have shown that emulsion adhesives that harden at room temperature and similar agents are particularly effective at forming stones.

(d) The reason why the mixture is dehydrated by applying further pressure is to remove moisture because the mixture is waste mud from a wave body, and because it contains stone material, it is dehydrated at a low pressure of about 2 kg/cm2. It can dehydrate and bind to rn.

In addition, after drying, water absorption can be prevented by applying a water-permeable waterproof coating to both surfaces to improve air permeability and water impermeability, but when used as an interior material. A waterproof coating is not necessarily required.

Hereinafter, one aspect of the present invention will be explained in detail.

(Example) Direct fil+o to clay waste mud (water content about 60%) obtained by gravel washing etc. and containing clay of 74 μm or more after sedimentation.
45% of the styrofoam particles K were added to the mixture, and then 111 parts by weight of 8 parts of cement and 10 parts of a cold-setting acrylic resin emulsion curing agent were mixed per 100 ton parts of the viscosity and stirred. Then, as shown in Fig. 3, it is poured into a form l with a furnace material 2 arranged on the bottom surface, the L side is covered with the furnace material 3, the surface is dehydrated under pressure using a pressurizing device (not shown), and then dried. It is obtained by absolutely drying it in a furnace.

In addition, by arranging the reinforcing bars 4 as a core material in the formwork 1, the building material S becomes a building material S in which the reinforcing bars 4 are buried (first
(see figure).

According to the experiment of this example, the compressive strength is 32 kg/c+a2 in the case of a cylindrical sample with straight i\Loomm, and A
Although it is slightly weaker than the 35 kHz/cm2 of LC Concrete 1, it is sufficient for use as a building material. However, if a large amount of binder is mixed, (l/j) of 35 kg/cm' or more can be obtained.

In terms of insulation effect, the thickness is 20mm when completely dried at 105℃.
The experimental data for the sample (chemical engineering 0.9) is shown below.

Here, the 41-uniform temperature refers to the surface temperature of the sample plate when the heating plate is brought into close contact with the I plate by testing.

Moreover, the surface temperature difference refers to the difference in temperature between the front and back surfaces of one sample board.

As a result, since the thermal conductivity of the ALC plate is 0.13, it can be seen that it has a similar heat insulating effect. In fact, a value of 0.2 or less is sufficient as a building material. In addition, in the case of only a wide clay plate, the thermal conductivity is the average value of 0.
．． It is 4.

As described above, this example has strong strength similar to that of the ALC board, is strong, has excellent heat insulation properties, and can be manufactured at a considerably lower cost than the ALC board.

Note that the invention is not limited to this example, and any appropriate changes within the structure of the invention may be made.For example, if the method of dehydration is used, a vertical strainer may be used; The drying method may be forced drying in a drying oven or natural air drying.

(Effects of the Invention) Therefore, according to the present invention, since waste clay mud, which is a waste product, is used for L, resource input is easy and the product can be manufactured at an extremely low cost.

In addition, since lightweight materials are mixed, the product can be made lighter and lighter, and the addition of cement and binders and pressure dehydration make it strong and firm, and it also has excellent heat insulation and nonflammability.

[Brief explanation of drawings]

Fig. 1 is a shoulder view of an embodiment of the present invention, Fig. 2 is an enlarged view of the - section, and Fig. 3 is a longitudinal sectional view showing the manufacturing process. K: Styrofoam grains, l: type J, tL, 2.3: furnace material, 4: reinforcing bar.

Claims (5)

[Claims] (1) A building material made by mixing lightweight materials with clay waste mud whose water content has been adjusted to a certain range, adding a binder to bind them together, dewatering the mixture under pressure, and drying it. (2) The lightweight material is a non-water-absorbing material, and the bulk volume of the product is 20~
The building material according to claim 1, which is a 55% mixture. (3) The building material according to claim 1 or 2, in which the lightweight material is made of plastic granules such as polystyrene foam, which is non-water absorbent and has good heat insulation properties. (4) The building material according to claim 1, 2, or 3, wherein the binder is a curing agent that hardens at room temperature and cement. (5) The building material according to claim 1 or 2 or 3 or 4, in which a core material such as reinforcing steel is embedded.