How is the natural stone courtyard landscape wall designed? (3)

According to the mineral composition, marble can be divided into two categories. One is mainly carbonate minerals, such as limestone, dolomite, marble, etc., which mainly contain calcite and dolomite, such as “Guangxi white”, “White Marble”, “rosin yellow”, etc; The other is a metamorphic rock containing more silicate minerals, such as serpentine, forsterite serpentine, wollastonite, serpentine marble, etc. Such marble is pure white when it does not contain impurities, such as “White Marble” and “Baoxing white”. When impurities are present, they appear in different colors due to the differences in impurities, such as the “Shaoyang Black” in Hunan, which is black due to its carbon content.

The texture of stone, especially marble, is related to the structural structure of marble. Wood grain stone marble is a precious variety of marble. It is a type of rock formed by precipitation of minerals mainly composed of calcium carbonate. Due to various changes in conditions during the precipitation cycle, patterns similar to wood grain are formed.

The use of stone requires not only expressing the artistic characteristics of the stone itself but also mastering the physical and chemical properties of the stone in order to cleverly and scientifically utilize it.

2. The glossiness of glossy stone is also an important indicator to measure the quality of stone and processing quality. The luster of stone can be represented by glossiness. The glossiness of stone depends on factors such as the color, structure, crystallinity, and transparency of the minerals that make up the stone, as well as the processing effect of the stone. The glossiness of stone is also determined by the processing effect of the stone. The same stone can be processed with different glossiness, which is related to the processing equipment, equipment, and polishing process.

3. The hardness of stone refers to its ability to resist mechanical intrusion from other objects. It is related to the mineral composition, structure, and structure of stone. Absolute hardness: Absolute hardness is measured using a hardness tester. According to the method of applying load during measurement, it can be further divided into static hardness and dynamic hardness. The stone belongs to brittle materials and is more suitable for measuring the hardness of stone using a dynamic hardness tester.

4. The wear resistance of stone refers to the ability of stone to resist wear and tear, and the properties of stone that resist complex effects such as friction, edge shear, and impact under usage conditions. The wear resistance of stone is related to the hardness, structure, and structural characteristics of minerals, as well as the compressive strength and impact toughness of the stone. Wear resistance refers to the wear resistance of stone materials expressed in terms of wear resistance (M), which is equal to the ratio of the weight (G) lost by a sample of a certain area after a certain number of grinding under a certain pressure to the cross-sectional area A of the sample, i.e. M=G/A (g/cn2)

5. The strength heat and frost resistance of stone materials refer to their ability to resist external forces. It includes the compressive, tensile, and shear strength of stone materials. Compressive strength: The strength of stone depends on the rock-forming minerals and the structure and structure of the rock. According to the compressive strength value, the stone is divided into nine strength levels: MU100, MU80, MU60, MU50, MU40, MU30, MU20, MU15, and MU10.

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