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Plant growing type porous concrete ball shape block

A technology for porous concrete and plant growth, applied in the fields of botany equipment and methods, container cultivation, gardening, etc., can solve problems such as unfavorable bank protection or slope protection stability, affecting the growth of animals and plants, weak anti-erosion ability, etc., to maintain a green natural landscape , Improve the atmospheric environment, the effect of strong anti-erosion ability

Inactive Publication Date: 2006-01-25
SOUTHEAST UNIV
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Problems solved by technology

[0003] In the construction of transportation and water conservancy projects, the current bank protection and road slope protection technologies mainly use ordinary concrete or ordinary concrete blocks for pavement, which will destroy the original soil and vegetation in nature and affect the ecological environment of the area. Regional flora and fauna growth
In some occasions, lattice concrete blocks are used to fill the square holes of the lattice blocks with soil and sow grass seeds, but this technology is not suitable for revetments where the water level changes
[0004] The reason why plants can grow in the soil is that the soil has a high porosity (25-30%), and at the same time, the soil has air permeability and water retention, and a suitable pH can provide the space and necessary nutrients for plant growth. However, the soil strength is low and the erosion resistance is weak, which is not conducive to the stability of revetment or slope revetment

Method used

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  • Plant growing type porous concrete ball shape block
  • Plant growing type porous concrete ball shape block
  • Plant growing type porous concrete ball shape block

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specific Embodiment approach

[0019] The block is composed of four parts with a spherical crown 1 at the top and a truncated cone 2 at the bottom, which are arranged symmetrically with the conical central hole 3 , and the parts between the four truncated cones 2 are solid cores 4 .

[0020] The present invention adopts 10-20mm single particle diameter crushed stone, and the dosage is 1400-1800kg / m 3 ; Portland cement of grade 42.5 and above, dosage 150-360kg / m 3 : Mineral admixture (such as finely ground mineral powder, silicon powder, superfine fly ash), dosage 10~180kg / m 2 ; High-performance water reducing agent (water reducing rate above 20%), the dosage is 0.5-5.0% of the cementing material dosage. The compressive strength of the porous concrete prepared according to the above ratio is between 15-25MPa, and the porosity is between 20-30%. Use a mixer to stir, press or vibrate or tamp to form.

[0021] Example: Variety and dosage of various raw materials: 42.5 grade Portland cement 280kg / m 3 ;Silico...

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Abstract

The plant growing ball shaped porous concrete block is one prefabricated member comprising four parts with spherical cap top and truncated cone bottom arranged symmetrically about the central conic hole. The block is made of the material comprising cement, crushed stone, mineral additive and high performance water reducing agent, and the making process includes stirring in stirrer, and forming through pressing, vibrating or pounding. It has high porosity, high strength and high erosion resistance, and owing to its good water penetrating and air permeability, some plant with proper root system can grow therein.

Description

technical field [0001] The invention is a prefabricated part used in civil engineering, transportation and water conservancy engineering, which belongs to the category of civil engineering materials. [0002] technology field. Background technique [0003] In the construction of transportation and water conservancy projects, the current bank protection and road slope protection technologies mainly use ordinary concrete or ordinary concrete blocks for pavement, which will destroy the original soil and vegetation in nature and affect the ecological environment of the area. The growth of regional flora and fauna. In some occasions, lattice concrete blocks are used to fill the square holes of the lattice blocks with soil and sow grass seeds, but this technology is not suitable for revetments where the water level changes. [0004] The reason why plants can grow in the soil is that the soil has a high porosity (25-30%), and at the same time, the soil ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G9/00A01G9/02C04B28/02C04B14/02
CPCC04B2111/00284C04B2111/00758C04B2111/00267C04B28/02
Inventor 高建明吕锡武吉伯海
Owner SOUTHEAST UNIV
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