CN110965523A - Straw fiber stone composite ecological slope protection - Google Patents
Straw fiber stone composite ecological slope protection Download PDFInfo
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- CN110965523A CN110965523A CN201911331861.7A CN201911331861A CN110965523A CN 110965523 A CN110965523 A CN 110965523A CN 201911331861 A CN201911331861 A CN 201911331861A CN 110965523 A CN110965523 A CN 110965523A
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- straw fiber
- straw
- main body
- body block
- slope protection
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a straw fiber stone composite ecological protection slope, which is laid on bank slopes on two sides of a river channel, and comprises a plurality of straw fiber stone units which are assembled and fixed together, wherein each straw fiber stone unit comprises a concrete pouring main body block in a transverse cuboid structure shape and a shell-shaped surface layer which is sleeved and fixed on the main body block and is made of straw fiber materials and has the same shape with the main body block; the invention has simple structure and environment-friendly material, can protect the bank slopes on two sides of the river channel from water and soil loss when being impacted by water flow, has the functions of stabilizing vegetation and facilitating the growth of vegetation, and can protect the bank slopes from being washed by rainwater under the condition of not influencing the water storage of the bank slopes, thereby protecting the ecological system of the river.
Description
Technical Field
The invention belongs to the technical field of slope protection, and particularly relates to a straw fiber stone composite ecological slope protection.
Background
As a big agricultural country in China, the generation quantity of wheat and corn straws is over 7 hundred million tons every year, in the traditional agriculture, the harvested wheat and corn stalks of crops are mostly burned as fuel or directly burned in the ground except for a small amount of wheat and corn stalks used for gaskets and feeding livestock and a part of wheat and corn stalks used for composting, in the burning process of the straws, surrounding inflammable matters are easily ignited to cause 'fire burn and continuous operation', once the barley field fire is caused, the control is difficult, economic loss is caused, and the burning of the straw can destroy the soil structure, so that microorganisms in the ground surface are burned, the humus and the organic matters are mineralized, therefore, the quality of the farmland is reduced, and the straws can release a large amount of carbon dioxide, sulfide and other gases to pollute the air when being burnt, and can also cause birds and snakes to migrate and escape, so that insect pests and rat pests are aggravated to deteriorate the ecological environment of the farmland.
In recent years, although the hydraulic engineering facilities in China are continuously improved, the flood control and drought resistance capabilities are continuously enhanced, and the development of water conservancy projects is continuously accelerated, the ecological system of rivers is damaged because flood rivers and sand and vegetation are flushed away; at present, in order to prevent flood safety, the dike is usually reinforced by adopting the traditional manners of mortar block stones, mortar concrete precast blocks, concrete frames and the like, and although the measures play great roles in flood running, waterlogging drainage and the like, the ecological system is damaged because vegetation on the dike cannot be recovered. And the gabion is adopted, and the Reynolds protection pad is used for reinforcing the dike, so that although the effects are played in the aspects of flood-driving and waterlogging drainage, river channel greening and the like, the planting base material is easy to be washed away by water flow and run off, so that vegetation cannot be recovered, and an ecological system is damaged.
Disclosure of Invention
Aiming at the defects and problems of the existing ecological slope protection, the invention provides the straw fiber stone composite ecological slope protection which is simple in structure and environment-friendly in material, can protect bank slopes on two sides of a river channel from water and soil loss when being impacted by water flow, has the functions of stabilizing vegetation and facilitating vegetation growth, and can protect the bank slopes from being washed away by rainwater under the condition of not influencing water storage of the bank slopes, so that an ecological system of the river is protected.
The technical scheme adopted by the invention for solving the technical problems is as follows: a straw fiber stone composite ecological protection slope is laid on bank slopes inclined at two sides of a river channel, the ecological slope protection comprises a plurality of straw fiber stone units which are assembled and fixed together, each straw fiber stone unit comprises a concrete pouring main body block in a transverse cuboid structure shape and a shell-shaped greening induction layer which is sleeved and fixed on the main body block and is made of straw fiber materials with the same shape as the main body block, vertical chamfers which are connected with end faces are arranged at four top corners of the main body block, top chamfers which are diversion inclined planes are arranged at the peripheral edges of the upper side of the main body block, the adjacent top chamfers of the two adjacent straw fibrolite units form a V-shaped flow guide channel, the adjacent vertical chamfers of the four adjacent straw fibrolite units form a diamond permeable hole, embedded parts are arranged at four top corners of the main body block, the embedded parts protrude out of the vertical chamfers and are annular, the embedded parts of the 4 adjacent straw fiber stone units are flexibly and fixedly connected together through connecting pieces.
The connecting piece is a metal binding wire or a metal connecting ring.
The embedded parts of the ecological slope protection edge, facing to the outside, of the straw fiber stone units are fixed in the bank slope through anchor rods.
All or part of the embedded parts flexibly and fixedly connected together through the connecting piece are deeply fixed in the bank slope through the anchor rod.
The main body block is made of porous concrete with the porosity of 18% -30%.
The thickness of the shell-shaped greening induction layer is 1 cm-2 cm.
The shell-shaped greening induction layer is made of wheat straw fibers or corn straw fibers.
The included angle between adjacent embedded parts on the same straw fiber stone unit is 90 degrees.
The shell-shaped greening induction layer and the position corresponding to the embedded part on the main body block are provided with mounting slots.
The invention has the beneficial effects that: the invention provides a straw fiber stone composite ecological slope protection, which comprises a plurality of straw fiber stone units which are assembled and fixed together, wherein each straw fiber stone unit comprises a main body block and a shell-shaped greening induction layer which is sleeved and fixed on the main body block and has the same appearance with the main body block, the shell-shaped greening induction layer is a straw fiber material shell which is processed by taking wheat straws or corn straws as raw materials, and the straw fibers have a hollow structure, so that the straw fiber has high air permeability and water absorbability, absorbs and keeps water, can keep a wet state for a long time, and creates conditions for the survival of plants and microorganisms; the main part piece is porous concrete pouring piece, and the inside flourishing hole of main part piece provides sufficient space for the root system growth of plant, is equipped with rainwater water conservancy diversion passageway and the hole of permeating water on this ecological bank protection in addition, not only can make the rainwater directly permeate to the bank slope in, protects bank slope ecological environment, can also be when rainfall is too high directly with rainwater water conservancy diversion to the river course in to this ecological bank protection scour resistance can the reinforce, can protect river course both sides bank slope and prevent soil erosion and water loss when receiving the rivers impact.
The invention provides a straw fiber stone composite ecological slope protection which is simple in structure and environment-friendly in material, can protect bank slopes on two sides of a river channel from water and soil loss when being impacted by water flow, has the functions of stabilizing vegetation and facilitating vegetation growth, and can protect the bank slopes from being washed away by rainwater under the condition of not influencing water storage of the bank slopes, so that an ecological system of a river is protected.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic diagram of the structure of the straw fiber stone unit.
FIG. 3 is a schematic partial cross-sectional view of a straw fibrolite unit of the present invention.
Fig. 4 is a schematic structural diagram of the main body block of the present invention.
FIG. 5 is a perspective view of the top and vertical chamfers of the main body block of the present invention.
FIG. 6 is a schematic view of a flow guide channel according to the present invention.
FIG. 7 is a schematic view of the structure of the shell-shaped greening inducing layer according to the present invention.
FIG. 8 is a schematic view of the connection of the straw fiber stone unit of the present invention.
Reference numbers in the figures: 1 is the bank slope, 2 is ecological bank protection, 3 is straw fibrolite unit, 31 is the main part piece, 311 top chamfer, 312 is perpendicular chamfer, 313 is the built-in fitting, 314 is the cross recess, 32 is the induced layer of shell form afforestation, 321 is the installation line of slits, 4 is the metal wire, 6 is the water conservancy diversion passageway, 7 is the hole of permeating water, 8 are the terminal surface extension line.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1
The embodiment shown in fig. 1 provides a composite ecological slope protection of straw fiber stone, including laying ecological slope protection 2 on bank slope 1 of river course both sides slope, ecological slope protection 2 includes a plurality of straw fiber stone units 3 that the equipment is fixed together, and straw fiber stone unit 3 includes main part piece 31 and the shell afforestation induction layer 32 of solid on main part piece 31 and unanimous with main part piece 31 appearance of cover.
The main body block 31 is a porous concrete pouring block in a horizontal cuboid shape, the porosity of the main body block 31 is 20%, a sufficient space is provided for the growth of a plant root system by developed gaps in the main body block, and soil and fertilizer can be filled in the gaps in the main body block 31, so that necessary nutrients are provided for the growth of plants.
As shown in fig. 4 and 5, vertical chamfers 312 which are connecting end faces are arranged at four top corners of the main body block 31, top chamfers 311 which are guiding inclined planes are arranged at the peripheral edges of the upper side of the main body block 31, a cross groove 314 is formed downwards on the upper end face of the main body block 31, annular embedded parts 313 are fixed at the four top corners of the main body block 31, an included angle between adjacent embedded parts on the same straw fiber stone unit is 90 degrees, the embedded parts 313 protrude out of the vertical chamfers 312, but the top ends of the embedded parts 313 do not exceed the intersection point of the end face extension lines 8 of the main body block 31.
The main body block 31 is sleeved with a shell-shaped greening induction layer 32 which is consistent with the shape of the main body block 31, the shell-shaped greening induction layer 32 is a shell made of straw fiber materials with the thickness of 2cm, the shell-shaped greening induction layer 32 is processed by mainly taking wheat straws as raw materials, when in processing, the wheat straws are firstly cut into small sections, then cellulose, water and other raw materials are added, then the small sections are injected into a mould matched with the main body block 31, and then the shell is heated and pressed into a shell with the thickness of 2cm, the shell is the shell-shaped greening induction layer 32 of the straw fiber stone unit, the strength of the shell-shaped greening induction layer 32 not only meets the requirements of the ecological protection slope 1 of the straw fiber stone, but also because the shell-shaped greening induction layer 32 is made of the wheat straw fiber materials, the wheat straw fiber has a hollow structure, so that the wheat straw fiber has high air permeability and water absorption, absorbs and keeps moisture and can keep a wet state for, the fiber space can provide space for the growth of the root system of the plant, is beneficial to the growth of the plant, and can stabilize the root system of the plant.
The wheat straw fiber can not be decomposed in water for a long time, the strength and the integrity of the wheat straw fiber are kept, and during the period, the root system of the plant gradually grows and penetrates through the shell-shaped greening induction layer 32 to be fixed on the main body block 31 with the porous concrete structure; at the initial stage of construction, the shell-shaped greening induction layer 32 plays an important role in relieving the influence of concrete alkalinity, absorbing and maintaining moisture, and fixing soil and plant root systems, and along with the growth, development and growth of the plant root systems, the effect of the wheat straw fiber layer is gradually weakened, and along with the increase of time, the wheat straw fiber layer is gradually decomposed and returns to the nature, so that no adverse effect is caused on the environment.
As shown in fig. 2 and 7, the installation slots 321 are formed in the positions of the shell-shaped greening inducing layer 32 corresponding to the embedded parts 313 of the main body block 31, and after the shell-shaped greening inducing layer 32 is fixed on the main body block 31, the embedded parts 313 on the main body block 31 can protrude out of the shell-shaped greening inducing layer 32.
As shown in fig. 6 and 8, adjacent top chamfers of two adjacent straw fiber stone units 3 form a V-shaped diversion channel 6, because the top ends of the embedded parts 313 do not exceed the intersection point of the end surface extension lines 8 of the main body block 31, adjacent vertical chamfers of four adjacent straw fiber stone units 3 can form a diamond-shaped permeable hole 7, after a plurality of straw fiber stone units 3 are laid on the bank slope 1, the embedded parts 313 in the permeable holes formed by every 4 adjacent straw fiber stone units are fixed together through the metal binding wires 4, so that the 4 straw fiber stone units 3 are flexibly and fixedly connected, when raining, rainwater can firstly fall on the straw fiber stone units 3, the straw fiber stone units 3 can firstly adsorb rainwater for the shell-shaped greening inducing layer 32 made of straw fiber material, the rainwater adsorbed by the shell-shaped greening inducing layer 32 can provide moisture for the growth of plants, after the shell-shaped greening induction layer 32 absorbs moisture and reaches a saturation value, rainwater can penetrate through the water through holes 7 to the bank slope 1 along the flow guide channel 6 on the straw fiber stone unit 3, and when rainfall is greater than the penetration speed of the bank slope, the rainwater can flow to the river channel along the flow guide channel 6, so that the rainwater cannot damage the bank slope.
The ecological slope protection 2 that constitutes is linked together through metal binding wire 4 flexible fixed connection to adjacent straw fibrolite unit 3, not only flood resistance is strong, and because be in the same place through metal binding wire 4 flexible fixed connection, so adaptable topography change, and can resist the deformation that uneven settlement brought, and the embedded part of the outside orientation of straw fibrolite unit of ecological slope protection 2 edge all goes deep to fix in bank slope 1 through the stock, can make ecological slope protection 2 and bank slope stretch into fixedly together, prevent when the river floods undulant, can protect river course both sides bank slope to prevent soil erosion and water loss when being strikeed by the rivers, and straw fibrolite unit 3 fixed block 31 porous concrete structure's peculiar continuous pore provides the growth space for the root system of plant, and make it firmly fixed, resist the erodeing of flood.
The ecological bank protection that this embodiment provided can adopt machinery hoist and mount installation, construction convenience, speed are swift when building, and be provided with the cross recess on the straw fibrolite unit 3, not only have the water conservancy diversion function, when constructor stands on straw fibrolite unit 3 moreover, frictional force between multiplicable constructor and the straw fibrolite unit 3, the constructor of being convenient for stands at the operation of straw fibrolite unit 3.
The ecological bank protection that this embodiment provided is simple structure not only, and the material environmental protection can not only protect river course both sides bank slope and prevent soil erosion and water loss when being strikeed by the rivers, still has stable vegetation, does benefit to the function that the vegetation grows to still can protect bank slope not receive the erodeing of rainwater under the circumstances that does not influence bank slope retaining, thereby protect the ecosystem of river.
Example 2
Example 2 is different from example 1 in the main raw material of the shell-like greening inducing layer.
As shown in fig. 2, the main body block 31 is covered with a shell-shaped greening induction layer 32 having the same shape as the main body block 31, the shell-shaped greening induction layer 32 is made of straw fiber material with a thickness of 2cm, the shell-shaped greening induction layer 32 is made of corn straw as main raw material, when processing, the corn straw is firstly woven, then the raw material such as cellulose and water is added into the mould matched with the main body block 31, then the fiber shell with a thickness of 2cm is formed by heating and pressing, the shell is the shell-shaped greening induction layer 32 of the straw fiber stone unit, the strength of the shell-shaped greening induction layer 32 not only meets the requirement of the straw fiber stone ecological slope protection 1, but also because the shell-shaped greening induction layer 32 is made of corn straw fiber, the structure of the corn straw fiber and the wheat straw fiber is identical and is hollow structure, compared with the embodiment 1, the husk-like greening inducing layer 32 made of corn stalk fiber in this embodiment can replace the husk-like greening inducing layer 32 made of wheat stalk fiber.
Example 3
As shown in fig. 1 and fig. 8, after the adjacent straw fiber stone units 3 are connected together through the flexible fixed connection of metal binding wires 4 to form the ecological bank protection 2, the embedded parts 313 at the four top corners of the straw fiber stone units are all fixed deeply in the bank slope 1 through the anchor rods, compared with embodiment 1, the ecological bank protection 2 of the embodiment is more firm with the fixation of the bank slope 1, so that the protection effect of the ecological bank protection 2 on the bank slope 1 is better.
Claims (9)
1. A composite ecological slope protection of straw fiber stone is laid on bank slopes inclined at two sides of a river channel and is characterized in that the ecological slope protection comprises a plurality of straw fiber stone units which are assembled and fixed together, each straw fiber stone unit comprises a concrete pouring main body block in a transverse cuboid structure shape and a shell-shaped greening induction layer which is sleeved on the main body block and made of straw fiber materials and has the same shape with the main body block, vertical chamfers for connecting end faces are arranged at four top corners of the main body block, top chamfers for guiding inclined planes are arranged at the peripheral edges of the upper side of the main body block, the adjacent top chamfers of the two adjacent straw fiber stone units form a V-shaped flow guide channel, the adjacent vertical chamfers of the four adjacent straw fiber stone units form rhombic water permeable holes, embedded parts are arranged at the four top corners of the main body block, and the embedded parts protrude out of the vertical chamfers and are annular, the embedded parts of the 4 adjacent straw fiber stone units are flexibly and fixedly connected together through connecting pieces.
2. The straw fibrolite composite ecological slope protection of claim 1, wherein the connecting piece is a metal binding wire or a metal connecting ring.
3. The composite ecological slope protection of straw fiber stone as claimed in claim 1, wherein embedded parts of the straw fiber stone units at the edge of the ecological slope protection facing outwards are all fixed in the bank slope by anchor rods.
4. The straw fiber stone composite ecological slope protection as claimed in claim 1, wherein the embedded parts flexibly and fixedly connected together through the connecting members are wholly or partially fixed in the bank slope through anchor rods.
5. The straw fiber stone composite ecological slope protection according to claim 1, wherein the main body block is made of porous concrete with a porosity of 18% -30%.
6. The straw fibrolite composite ecological slope protection according to claim 1, wherein the thickness of the shell-shaped greening inducing layer is 1cm to 2 cm.
7. The straw fibrolite composite ecological slope protection of claim 1, wherein the shell-shaped greening induction layer is made of wheat straw fiber or corn straw fiber.
8. The straw fibrolite composite ecological slope protection according to claim 1, wherein an included angle between adjacent embedded parts on the same straw fibrolite unit is 90 °.
9. The straw fibrolite composite ecological slope protection according to claim 1, wherein the shell-shaped greening induction layer is provided with mounting slots at positions corresponding to the embedded parts on the main body block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331861.7A CN110965523B (en) | 2019-12-21 | 2019-12-21 | Straw fiber stone composite ecological slope protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331861.7A CN110965523B (en) | 2019-12-21 | 2019-12-21 | Straw fiber stone composite ecological slope protection |
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| CN110965523A true CN110965523A (en) | 2020-04-07 |
| CN110965523B CN110965523B (en) | 2021-09-03 |
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| KR100689662B1 (en) * | 2005-11-04 | 2007-03-08 | (주) 녹지원 | Block for green tract of land and method of producing the same |
| KR101208949B1 (en) * | 2011-10-14 | 2012-12-06 | 주식회사 클레이맥스 | A revetment block having a function of humidity control |
| CN105875236A (en) * | 2014-11-05 | 2016-08-24 | 重庆鼎升生物科技有限公司 | Greening biological brick |
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