TW202016045A - Lightweight grout - Google Patents

Abstract

The invention relates to a lightweight grout, comprising a granule ingredient and a powder ingredient. The granule ingredient comprises an expansion glass ball, the usage amount of the expansion glass ball is 150~450 kgw/m³ . The powder ingredient comprises a cement and a fly-ash, the usage amount of the powder ingredient is 200~800 kgw/m³ . After adding water and mixing evenly, a unit weight of the lightweight grout is 500～800kgw/m³ . By adding the expansion glass ball which has a smooth contour and the density is lower than general bank sand as the granule ingredient, the lightweight sediment slurry is characterized in lightweight, easy to paint, low water permeability, high chemical corrosion-resisting ability, sound isolation and heat isolation.

Description

Light mortar

The invention relates to a mortar, especially a light mortar modified by adding glass.

In the field of construction, in order to support the weight of the building itself, in addition to the large and small beams and columns, the structural types can also be supported by thick walls. However, in buildings, not all walls are used to support weight, and some walls are only used as compartments to meet the needs of use, so such walls do not need to be thick in production. Materials, and allows the building's support structure to reduce unnecessary weight loads.

In order to achieve the above-mentioned effects, the way of making the partition wall can be built by traditional wooden boards or other solid materials or by building templates, or by using lightweight mortar for grouting, or alternatively, you can mix the two It is made by covering the built-up baffle structure with a layer of lightweight mortar; and among the components of the lightweight mortar, in addition to cement and other weight-reducing materials, river sand may also be added to the mortar However, due to the natural weathering, river sand has rhomboids in the microstructure, so that the produced mortar may interfere with each other when applying, which requires considerable force to be applied; in addition, because the river sand is taken from the natural environment In addition, its composition may also be unstable due to different mining locations or depths.

The main purpose of the present invention is to provide a mortar, which has a lower density than traditional mortar, can reduce the weight load of the building structure, and will not drip out of the mortar due to its own weight in operation, is easier to apply, and has stable properties.

The secondary objective of the present invention is to provide a mortar, which can reduce the amount of river sand used when making mortar by using other types of fillers to replace the traditional river sand, thereby reducing the environmental water and soil damage caused by mining the river sand .

In order to achieve the above object, the light mortar of the present invention, the ratio of which includes: a pellet, including an expanded glass ball, the amount of the expanded glass ball is 150 ~ 450kgw/m ³ ; a powder material, including a cement and a powder The amount of coal ash is 200～500kgw/m ³ ; wherein, after adding the mixing water and stirring, the unit weight of the light mortar is 500～800kgw/m ³ .

Regarding the size of the expanded glass sphere, in one embodiment, the particle diameter of the expanded glass sphere is 0.3 mm to 4.0 mm.

In addition, in order to strengthen the properties of the light mortar, in one embodiment, the light mortar further includes a thickener and a reinforcing agent, the thickener accounts for 0.1 to 4% of the total weight of the light mortar, and The reinforcing agent accounts for 0.1 to 4% of the total weight of the light mortar.

In detail, the above-mentioned thickener preferably contains hydroxypropyl starch ether; the above-mentioned reinforcement agent preferably contains a polybasic organic acid aqueous mixture.

In addition, in an embodiment, in the composition of the light mortar, the pellets further include natural sand.

As can be seen from the above description, the present invention is characterized by using artificially made expanded glass balls to partially or completely replace the river sand used in conventional mortar. Since the expanded glass balls have a lower density than natural river sand, it can reduce the mortar. The unit weight of the machine makes the operation reduce the vertical flow problem caused by the mortar's own weight and is easier to adhere to the structure. In addition, because the pellets are spherical in shape and have no rhomboid structure, the mortar When applying, it can reduce the problem of friction between the ingredients. It is easier to apply, and because it is an artificially made glass ball, the type of ingredients is stable, the permeability is low, and the chemical resistance is high; more because of the expansion The expanded glass afterwards can achieve sound insulation and heat insulation through the internal porous cavity structure. By using other types of fillers to replace the traditional natural river sand in this way, the use of natural river sand can be reduced when making mortar, thereby reducing the environmental water and soil damage caused by mining the river sand.

In order to facilitate a deeper and more clear and detailed understanding and understanding of the structure, use and characteristics of the present invention, the preferred embodiments are cited, and the detailed description is as follows:

The light-weight mortar of the present invention has the use of artificially-made expanded glass balls to replace the river sand used in the conventional mortar. In one embodiment, the ratio is composed of a pellet and a powder: in this embodiment In the above, the pellet is an expanded glass ball, and the amount of the expanded glass ball is 150-450kgw/m ³ ; and the powder, including a cement and a fly ash, the amount is 200-500kgw/m ³ ; and when After adding the mixing water and stirring, the unit weight of the light mortar is 500-800 kgw/m ³ .

Among them, regarding the above-mentioned expanded glass sphere, in this embodiment, the above-mentioned expanded glass sphere is an expanded glass sphere made by recycling an abandoned glass container, adding an additive and re-sintering, and its particle size is preferably 0.3 mm according to the use requirements ~4.0mm, through the porous cavity structure formed during the sintering process, the density is 150~450kgw/m ³ , which is much lower than the general glass 2500kgw/m ³ .

Due to the relationship between the types of materials, the light mortar mixed with the expanded glass balls as the main pellets has the characteristics of light weight, non-flammable, chemical corrosion resistance and low water absorption, and the present invention does not limit the expanded glass The shape of the internal porous cavity structure in the ball allows the manufacturer to choose the above expanded glass balls with different porous cavity structures according to their needs, for example: when the porous cavity structure of the expanded glass ball used has a large number of (For example: more than 50%) open-cell bubbles can further improve the sound insulation capacity of the light mortar; or, when the porous cavity structure has a large number (for example: more than 75%) of closed-cell bubbles, it can Increase the thermal insulation capacity of the light mortar. In addition, since the expanded glass ball does not have a rhombus, when the light mortar using the expanded glass ball as a pellet is applied to the light mortar, the mutual interaction between the particles in the mortar can be reduced. The problem of friction is easier to apply.

In addition, and in order to reduce the amount of water required to make the light mortar and increase the strength of the product after hardening, in the light mortar of this embodiment, the light mortar further includes a hydroxypropyl starch ether as a thickener And a multi-component organic acid aqueous mixture as a reinforcing agent, the thickener is used to improve the workability of the above-mentioned light mortar, and reduce the water requirement for mixing the light mortar, accounting for 0.1 to 4 of the total weight of the light mortar In addition to reducing the water requirement for mixing the light mortar, the enhancer can also increase the compressive strength of the final product, accounting for 0.1 to 4% of the total weight of the light mortar.

Compared with the traditional mortar using river sand, the density of mortar mixed with expanded glass balls as pellets is lower than that of mortar mixed with natural river sand (the density of traditional mortar is 2000~2400kgw/m ³ ), so the unit weight of the mortar can be greatly reduced, so that the vertical flow problem of the mortar caused by the mortar's own weight can be reduced during the construction operation, and because it is an artificially made glass ball, its component types are stable and the permeability is low It has high chemical resistance; moreover, it uses expanded glass after expansion, which can achieve the effect of sound insulation and heat insulation through the internal porous cavity structure; and by using other kinds of fillers to replace the traditional natural river sand The method can reduce the amount of natural river sand used in making mortar and reduce the environmental damage caused by mining river sand.

Finally, the present invention also provides another light mortar, the ratio of which includes: the above-mentioned granules and the above-mentioned powder, and the above-mentioned thickener and the above-mentioned reinforcing agent can be added according to the use requirements: in this embodiment, the above-mentioned granules contain the above Expansion glass balls, the dosage of the expansion glass balls is 150-450kgw/m ³ ; the powder contains the cement and the fly ash, the dosage is 200-500kgw/m ³ ; and when the mixing water is added and the mixture is stirred, the The unit weight of light mortar is still 500～800kgw/m ³ .

Different from the previous embodiment, in this embodiment, the above-mentioned pellets may include a natural sand or other artificial/natural materials due to manufacturing cost requirements, as long as the above-mentioned expanded glass balls in the above-mentioned lightweight mortar The dosage is still 150～450kgw/m ³ ; the dosage of the above powder is still 200～500kgw/m ³ ; the above reinforcing agent and the above thickening agent each account for 0.1 to 4% of the total weight; and when mixing water is added to stir After completion, the unit weight of the above light mortar may still be 500-800 kgw/m ³ .

In addition, in this embodiment, the present invention does not limit the composition of other substances added to the above-mentioned light mortar, as long as the weight ratio of the final product and the amount of the above-mentioned expanded glass balls used have reached the standards in the preceding paragraph That is, it means that in actual use, in addition to adding the above thickener or the above reinforcing agent, the user can also add such as mercury delivery agent, hearthstone powder, surfactant according to the demand when the above composition ratio is met , Shrinkage reducing admixture (SRA) and other conventional additives of cement mortar.

The above-mentioned embodiments are only for the convenience of describing the present invention, not to limit it. Without departing from the spirit of the present invention, those skilled in this industry who are familiar with the patent application scope of the present invention and various simple modifications and modifications made by the invention description should still be Included in the following patent applications.

Claims (6)

A light-weight mortar, the ratio of which includes: a pellet, containing an expanded glass ball, the amount of the expanded glass ball is 150-450kgw/m ³ ; a powder, containing a cement and a fly ash, the amount is 200 ～500kgw/m ³ ; wherein, after adding the mixing water and stirring, the unit weight of the light mortar is 500～800kgw/m ³ . The light mortar according to claim 1, wherein the particle diameter of the expanded glass sphere is 0.3 mm to 4.0 mm. The light mortar according to claim 1, wherein the light mortar further comprises a thickener and an enhancer, the thickener accounts for 0.1 to 4% of the total weight of the light mortar, and the enhancer It accounts for 0.1 to 4% of the total weight of the light mortar. The lightweight mortar according to claim 3, wherein the thickener contains hydroxypropyl starch ether. The lightweight mortar according to claim 3, wherein the reinforcing agent contains a multi-component organic acid aqueous mixture. The lightweight mortar according to claim 1, wherein the pellets further include natural sand.