CN107964967A - A kind of robust structure and construction method for ecological treatment of slope - Google Patents

Abstract

The invention relates to a stable structure and construction method for slope ecological management, comprising a slope protection mechanism on the slope surface and a slope protection base at the foot of the slope, and the slope protection mechanism includes a steel wire mesh covering the slope surface As well as the planting base material covered on the surface of the steel mesh, the top of the slope protection base is provided with a waterproof layer and it is provided with an inner protective wall, a walking surface and an outer protective wall from the inside to the outside. Buffer ditch, the buffer ditch is filled with soft soil layer, the outer protective wall is set on the top of the slope protection base outside and the slope of the outer side of the outer protective wall is the same as the slope of the outer side of the slope protection base to form a vegetation plane, and the vegetation module is installed on the vegetation plane , the slope protection base is used for support, the slope surface covers the slope protection mechanism for protection, the inner protective wall protects the connection between the slope protection mechanism and the slope protection base, and vines cover the slope protection base and its top structure to ensure that the slope protection structure does not Exposure improves aesthetics.

Description

A stable structure and construction method for slope ecological management

technical field

The invention relates to the technical field of civil engineering, in particular to a stable structure and a construction method for slope ecological management.

Background technique

Slopes are prone to collapse and even large-scale landslides under natural weathering and erosion by snow and rain. In the 20th century, slope protection generally used stone, concrete, blocks, etc. to completely seal the entire slope. Although this can better prevent slope landslides, instability and soil erosion, it is easy to cause visual pollution, is not conducive to ecological greening, and damages the natural environment and ecological vegetation around the slope. Therefore, the method of ecological slope protection has been widely used. use. At present, the commonly used ecological protection technologies for engineering slopes are mainly three types: backfill (or replacement) alien soil technology, spray seeding technology and ecological bag technology.

Most of the slopes in the city are soft soil layers. Although the soil quality is single, due to the lack of rock layers, its structure is relatively loose, and landslides are more likely to occur. In addition, considering the beautiful factors of the city, it is necessary to protect the slope while doing a good job. It is necessary to take into account the beauty of the appearance.

Contents of the invention

In view of this, the present invention provides a solid structure with a relatively stable structure and beautiful appearance for slope ecological management, so as to solve the problems raised in the above-mentioned background technology.

first:

The invention discloses a stable structure for slope ecological management, which includes a slope protection mechanism covering the surface of the slope and a slope protection base provided at the foot of the slope for stabilization, and the slope protection mechanism includes A steel wire mesh covered on the surface of the slope and a planting substrate covered on the surface of the steel mesh, the steel mesh is anchored on the slope through a hanging net anchor;

The longitudinal section of the slope protection base is in the shape of a right angle trapezoid and its outer side is a slope surface, and the inner side is a vertical plane. The top of the slope protection base is provided with an inner protective wall, a walking surface and an outer protective wall from the inside to the outside. A waterproof layer is provided between the bottom of the inner protective wall, the bottom of the walking surface, the bottom of the outer protective wall and the top of the slope protection base, and a buffer ditch is formed between the inner wall of the inner protective wall and the slope surface, and the buffer ditch is filled with There is a soft soil layer, and there is a guiding rattan between the inner protective wall and the outer protective wall. The longitudinal section of the outer protective wall is a right-angled trapezoid, and its outer side is a slope surface, and its inner side is a vertical plane. Described outer protective wall is located at the top of the slope protection base on the outside and the slope of the outer surface of the outer protective wall is the same as the slope of the outer surface of the slope protection base, and the outer side of the bottom of the outer protective wall coincides with the top outer side of the slope protection base. The outer protective wall and the outer side of the slope protection base are connected to form a complete planting plane, the planting module is installed on the planting plane, the planting module includes a module frame, and a number of fixed frames are uniformly arranged on the frame of the module frame hole, the bottom of the hollow part of the module frame is integrally provided with a bottom plate, and the bottom plate and the frame of the module frame form a groove for planting plants.

Further, the soil texture of the soft soil layer filled in the buffer ditch is the same as that of the side slope, and vines are planted in the buffer ditch for fixing the soil layer.

Further, a guiding rattan frame is also provided between the inner protective wall and the outer protective wall, and the guiding rattan frame includes two side frames and a top frame, and the top ends of the two side frames are respectively connected to the inside and outside of the top frame. On both sides, the bottom end of the side frame connected to the top frame outside is fixedly installed on the outer protective wall, and the bottom end of the side frame connected to the top frame inner side is fixedly installed on the inner protective wall and its bottom end extends into the buffer ditch.

Further, several inner overflow channels are arranged in sequence from top to bottom inside the inner protective wall, and each inner overflow channel is arranged horizontally and parallel to each other.

Further, several outer overflow channels are sequentially provided inside the outer protective wall from top to bottom, and the slope of the outer overflow channels increases with increasing height.

Further, the shape of the vegetation module is an equilateral triangle, a rectangle or a regular polygon.

In particular, a planting groove is provided between the inner protective wall and the outer protective wall, and vines are planted in the planting groove.

Second aspect:

The invention discloses a construction method for a stable structure used for slope ecological management, the method comprising the following steps,

Step 1: Drive in the anchor bolts of the hanging net on the slope, cover the steel wire mesh on the slope surface of the slope, connect the steel mesh with the anchor bolts of the hanging net, and then cover and plant the vegetation base material on the steel mesh;

Step 2: Concrete is poured at the foot of the slope to make a slope protection base. The longitudinal section of the slope protection base is a right-angled trapezoid. At the same time, the front side of the slope protection base is a slope, and the rear side is a vertical plane. Cover the waterproof layer, and then pour concrete on the waterproof layer to form an inner protective wall and an outer protective wall. The longitudinal section of the outer protective wall is poured into a trapezoidal shape, and the slope between the outer surface of the outer protective wall and the outer surface of the slope protection base is guaranteed. same, forming a complete vegetation plane;

Step 3: Lay the walking surface between the inner protective wall and the outer protective wall, install the side frame on the inner protective wall and the outer protective wall, and fix a horizontal top frame on the top of the side frame to form a guiding pergola, and then install the side frame on the outer protective wall. The planting module is covered and installed on the planting plane formed by the outside of the slope protection base and the outside of the slope protection base;

Step 4: Fill the buffer ditch with soft soil and plant plants to complete the construction.

Further, the guide rattan frame includes two side frames and a top frame, the top ends of the two side frames are respectively connected to the inner and outer sides of the top frame, and the bottom ends of the side frames connected to the outer side of the top frame are fixedly installed on the outer protection frame. On the wall, the bottom end of the side frame connected to the inner side of the top frame is fixedly installed on the inner protective wall and its bottom end extends into the buffer ditch.

Further, several inner overflow channels are arranged in sequence from top to bottom inside the inner protective wall, each of which is horizontally arranged and parallel to each other, and the inner protective wall is arranged from top to bottom Several outer overflow channels are provided in sequence, and the slope of the outer overflow channels increases with the increase of height.

The beneficial effects brought by the technical solution provided by the present invention are: the present invention adopts the slope protection base for support, the slope surface is covered with the slope protection mechanism for protection, and is reinforced by planting plants, taking into account the aesthetics; the slope protection base is designed with internal protection The wall protects the connection between the slope protection mechanism and the slope protection base, and the inner protection wall cooperates with the outer protection wall to install a guiding rattan frame, and the outer protection wall cooperates with the slope protection base to install a planting module, and covers the slope protection base and its top structure with vines to ensure The slope protection structure is not exposed, which improves the aesthetics and effectively increases the strength of slope protection.

Description of drawings

Fig. 1 is the structural representation of the stable structure that is used for slope ecological management in the embodiment of the present invention;

Fig. 2 is the structural representation of the planting module of equilateral triangle in the firm structure that is used for slope ecological control in the embodiment of the present invention;

Fig. 3 is a schematic structural view of a rectangular planting module in a stable structure for slope ecological management in Embodiment 1 of the present invention;

Fig. 4 is the structural representation of the vegetation module of regular polygon in the firm structure that is used for slope ecological management in embodiment one;

Fig. 5 is a structural schematic diagram of a stable structure used for slope ecological management in Embodiment 2.

In the figure: 1. Slope protection base 2, slope 3, steel wire mesh 4, hanging net anchor 5, waterproof layer 6, inner protective wall 7, walking surface 8, outer protective wall 9, buffer ditch 10, planting module 11, module Frame body 111 , fixing hole 12 , groove 13 , guiding rattan frame 14 , planting substrate 21 , inner overflow channel 22 , outer overflow channel 31 , and planting groove.

Detailed ways

In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Embodiment one

Please refer to Fig. 1, a kind of stable structure that is used for slope ecological management, comprises the slope protective mechanism that covers on the surface of slope 2 and is located at the slope foot of slope 2 and is used for stable slope protection base 1, described slope The protective mechanism includes a steel wire mesh 3 covered on the surface of the side slope 2 and a vegetation base material 14 covered on the surface of the steel mesh 3, and the steel mesh 3 is anchored on the side slope 2 through a hanging net anchor rod 4;

Described slope protection base 1 longitudinal section is right angle trapezoid shape and its top is provided with inner protection wall 6, walking surface 7 and outer protection wall 8 from inside to outside, and described slope protection base 1 front is a slope surface, and the back is a vertical plane, The vertical plane where the inner side of the slope protection base 1 is located is located behind the vertical plane where the inner side of the protective wall 6 is located. A waterproof layer 5 is arranged between them, and the walking surface 7 can provide a walking path, improving the practicability and functionality of the slope protection project. In particular, several backing plates for walking are fixed at equal intervals on the walking surface to prevent the shoes from getting wet when water accumulates on the surface of the walking surface 7 . A buffer ditch 9 is formed between the inner wall of the inner protective wall 6 and the slope surface of the side slope 2, and a soft soil layer is filled in the buffer ditch 9, and plants (such as vines) can be directly planted on the soft soil layer to play a fixed The effect of the soil layer, the advantage of this is that a part of the slope protection movement is borne by the buffer ditch 9, and the slope protection mechanism on the slope surface is prevented from being stressed, especially for the critical point between the slope surface of the slope 2 and the slope protection base 1. The slope protection mechanism here has the greatest stress, and the buffer ditch 9 can effectively buffer the stress. There is also a guiding rattan between the inner protective wall and the outer protective wall, which can be used to cover the outer protective wall 8 and the slope protection base 1, so as to ensure the aesthetics of the stable structure. The longitudinal section of the outer protection wall 8 is a right-angled trapezoid, its outer side is a slope, and the inner side is a vertical plane. The slope of the side is the same as the slope of the slope protection base 1 outer side, and the bottom outer side of the outer protective wall 8 coincides with the top outer side of the slope protection base 1, so that the outer protection wall 8 and the outer side of the slope protection base 1 are connected to form a complete Vegetation plane, because the outer protective wall 8 and the slope protection base 1 are stable structures of concrete structure, so the mechanism that can be used for plant growth and attachment can be installed directly through mechanisms such as expansion bolts; for example, the outer protective wall 8 and the slope protection base 1 can be installed The planting module 10 is installed on the planting plane formed by the outer surface of the plant. The planting module 10 includes a module frame body 11. Several fixing holes 111 are evenly arranged on the frame of the module frame body 11. The bottom of the hollow part of the module frame body 11 A bottom plate is integrally provided, and the bottom plate and the frame of the module frame body 11 form a groove 12 for planting plants. First use a drilling machine to drill holes in the outer protective wall 8 and the slope protection base 1, then the fixing holes can be fixed on the outer protective wall 8 and the slope protection base 1 with expansion bolts; the groove 12 of the planting module 10 is filled with the planting substrate for Plant growth can be made with the planting module 10 or filled after the planting module 10 is installed.

Further, the soil texture of the soft soil layer filled in the buffer ditch 9 is the same as that of the side slope 2, so that the consistency of the stable structure and the side slope structure can be ensured, and vines, vines, etc. are planted in the buffer ditch 9 After the plant is successfully planted, the plant root system takes root in the soil layer and can be used to fix the soil layer.

Further, a guiding rattan frame 13 is also provided between the inner protective wall 6 and the outer protective wall 8, and the guiding rattan frame 13 includes two side frames and a top frame, and the top ends of the two side frames are respectively connected The inside and outside both sides of top frame, the bottom end that is connected in the side frame of top frame outside is fixedly installed on the outer protective wall, and the bottom end that is connected in the side frame of top frame inboard is fixedly installed on inner protective wall 6 and its bottom extends to In the buffer ditch 9, it is finally fixed on the soil layer relying on the buffer ditch 9.

The guiding pergola 13 can guide the vines to grow outside the outer protective wall 8 and the slope protection base 1, so that the slope protection base 1 and the outer protection wall 8 have no soil matrix and cannot support the long-term growth of plants. First, the growth environment is temporarily covered by the vegetation base material. When the plants in the buffer ditch 9 gradually grow, they extend to the outer protective wall 8 by guiding the growth of the pergola 13, and then further extend to cover the outside of the slope protection base 1, and complete the outer protective wall 8. With the long-term coverage of the slope protection base 1, the walking surface 7 forms a structure similar to a plant corridor, which is beautiful and generous.

Further, the lower part of the inner protective wall 6 is sequentially provided with several inner overflow channels 21 from top to bottom, and each of the inner overflow channels 21 is arranged horizontally and parallel to each other, which can be used for the drainage of water in the slope 2. Collect and discharge into the walkway surface 7.

The inner overflow channel 21 can be made of hard PCB pipe or composite pipe, which can guide the slope water flow.

Further, the lower part of the outer protective wall 8 is sequentially provided with several overflow channels 22 from top to bottom. The water flows out into the vegetation plane and is discharged, and can also irrigate the plants on the vegetation plane.

The outer overflow channel 22 can be made of hard PCB pipe or composite tube, and cooperates with the inner overflow channel 21 to guide the slope water flow to the outside of the slope protection base 1 .

Further, please refer to Fig. 2-4, the shape of the planting module 10 is an equilateral triangle, a rectangle or a regular polygon, and can be arranged and assembled on the outer protective wall 8 and the slope protection base 1 to form a relatively complete coverage.

In particular, this embodiment also discloses that the construction method of the stable structure includes the following steps,

Step 1, drive the hanging net anchor 4 on the side slope 2, cover the steel wire mesh 3 on the slope of the side slope 2, connect the steel wire mesh 3 and the hanging net anchor 4, and then cover and plant on the steel wire mesh 3 Vegetation substrate 14;

Step 2, the slope protection base 1 is made by pouring concrete at the slope foot of the slope 2, the longitudinal section of the slope protection base 1 is a right-angled trapezoid, and the front side of the slope protection base 1 is a slope surface, and the rear side is a vertical plane, and then Cover the waterproof layer 5 on the slope protection base 1, and then pour concrete on the waterproof layer 5 to make an inner protective wall 6 and an outer protective wall 8. The longitudinal section of the outer protective wall 8 is poured into a trapezoid, and the outer protective wall 8 is guaranteed. The slope of the outer surface of the slope protection base 1 is the same as that of the outer surface of the slope protection base 1, forming a complete vegetation plane;

Step 3, pave the walking surface 7 between the inner protective wall 6 and the outer protective wall 8, install the side frame on the inner protective wall 6 and the outer protective wall 8, and fix a horizontal top frame on the top of the side frame to form a guiding rattan 13, then cover and install the vegetation module 10 on the vegetation plane formed outside the outer protection wall 8 and the slope protection base 1;

Step 4, filling the soft soil layer in the buffer ditch 9 and planting plants to complete the construction.

Further, the guide rattan frame includes two side frames and a top frame, the top ends of the two side frames are respectively connected to the inner and outer sides of the top frame, and the bottom ends of the side frames connected to the outer side of the top frame are fixedly installed on the outer protection frame. On the wall, the bottom end of the side frame connected to the inner side of the top frame is fixedly installed on the inner protective wall and its bottom end extends into the buffer ditch.

Further, several inner overflow channels are arranged in sequence from top to bottom inside the inner protective wall, each of which is horizontally arranged and parallel to each other, and the inner protective wall is arranged from top to bottom Several outer overflow channels are provided in sequence, and the slope of the outer overflow channels increases with the increase of height.

Embodiment two

Please refer to Fig. 5, a kind of stable structure that is used for slope ecological management, and the difference of a kind of stable structure that is used for slope ecological management disclosed in Embodiment 1 is: the inner protection wall 6 and the outer protection wall 8 The pavement is replaced by a planting groove 31, and vines can be planted in the planting groove 31, so that it can grow inwardly to the buffer ditch, and outwardly grow to the outside of the planting plane formed by the outer protective wall 8 and the outer side of the slope protection base 1 .

The specific embodiments described in the present invention are only to illustrate the spirit of the present invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

In the case of no conflict, the above-mentioned embodiments and features in the embodiments herein may be combined with each other.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. A stable structure for slope ecological management, comprising a slope protection mechanism covered on the slope surface and a slope protection base located at the slope foot of the slope, characterized in that: The slope protection mechanism includes a steel wire mesh covered on the surface of the slope and a vegetation base material covered on the surface of the steel mesh, and the steel mesh is anchored on the slope through a hanging net anchor; The longitudinal section of the slope protection base is in the shape of a right angle trapezoid and its outer side is a slope surface, and the inner side is a vertical plane. The top of the slope protection base is provided with an inner protective wall, a walking surface and an outer protective wall from the inside to the outside. A waterproof layer is provided between the bottom of the inner protective wall, the bottom of the walking surface, the bottom of the outer protective wall and the top of the slope protection base, and a buffer ditch is formed between the inner wall of the inner protective wall and the slope surface, and the buffer ditch is filled with There is a soft soil layer, and there is a guiding rattan between the inner protective wall and the outer protective wall. The longitudinal section of the outer protective wall is a right-angled trapezoid, and its outer side is a slope surface, and its inner side is a vertical plane. The outer protective wall is located on the outer side of the slope protection base top and the slope of the outer side of the outer protective wall is the same as that of the outer side of the slope protection base, and the outer side of the bottom of the outer protective wall coincides with the top outer side of the slope protection base, The outer protective wall and the outer side of the slope protection base are connected to form a complete planting plane, the planting module is installed on the planting plane, the planting module includes a module frame, and a number of fixed frames are uniformly arranged on the frame of the module frame hole, the bottom of the hollow part of the module frame is integrally provided with a bottom plate, and the bottom plate and the frame of the module frame form a groove for planting plants. 2. The stable structure for slope ecological management as claimed in claim 1, characterized in that: the soil texture of the soft soil layer filled in the buffer ditch is the same as the soil texture of the side slope, and vines are planted in the buffer ditch Plants are used to stabilize the soil layer. 3. The stable structure for slope ecological management as claimed in claim 1, characterized in that: the guide rattan frame comprises two side frames and a top frame, and the tops of the two side frames are connected to the top frame of the top frame respectively. On both sides inside and outside, the bottom end of the side frame connected to the top frame outside is fixedly installed on the outer protective wall, and the bottom end of the side frame connected to the inner side of the top frame is fixedly installed on the inner protective wall and its bottom end extends into the buffer ditch. 4. The stable structure for slope ecological management as claimed in claim 1, characterized in that: the inside of the inner protective wall is sequentially provided with several inner overflow channels from top to bottom, each of the inner overflow channels They are all arranged horizontally and parallel to each other. 5. The stable structure for slope ecological management as claimed in claim 1, characterized in that: the inside of the outer protective wall is sequentially provided with several overflow channels from top to bottom, and the gradient of the overflow channels increases with the increases with height. 6. The stable structure for slope ecological management according to claim 1, characterized in that: the shape of the vegetation module is an equilateral triangle, a rectangle or a regular polygon. 7. A stable structure for slope ecological management as claimed in claim 1, characterized in that: a planting groove is arranged between the inner protective wall and the outer protective wall, and vines are planted in the planting groove. 8. a construction method for the stable structure of slope ecological management as claimed in claim 1, is characterized in that, the construction method of described stable structure comprises the following steps: Step 1: Drive in the anchor bolts of the hanging net on the slope, cover the steel wire mesh on the slope surface of the slope, connect the steel mesh with the anchor bolts of the hanging net, and then cover and plant the vegetation base material on the steel mesh; Step 2: Concrete is poured at the foot of the slope to make a slope protection base. The longitudinal section of the slope protection base is a right-angled trapezoid. At the same time, the front side of the slope protection base is a slope, and the rear side is a vertical plane. Cover the waterproof layer, and then pour concrete on the waterproof layer to form an inner protective wall and an outer protective wall. The longitudinal section of the outer protective wall is poured into a trapezoidal shape, and the slope between the outer surface of the outer protective wall and the outer surface of the slope protection base is guaranteed. same, forming a complete vegetation plane; Step 3: Lay the walking surface between the inner protective wall and the outer protective wall, install the side frame on the inner protective wall and the outer protective wall, and fix a horizontal top frame on the top of the side frame to form a guiding pergola, and then install the side frame on the outer protective wall. The planting module is covered and installed on the planting plane formed by the outside of the slope protection base and the outside of the slope protection base; Step 4: Fill the buffer ditch with soft soil and plant plants to complete the construction. 9. The construction method for a stable structure for slope ecological management as claimed in claim 8, characterized in that: the guiding rattan frame comprises two side frames and a top frame, and the top ends of the two side frames are respectively Connect the inner and outer sides of the top frame, the bottom end of the side frame connected to the outer side of the top frame is fixedly installed on the outer protective wall, and the bottom end of the side frame connected to the inner side of the top frame is fixedly installed on the inner protective wall and its bottom end extends to in the buffer ditch. 10. The construction method for the stable structure of slope ecological management as claimed in claim 8, characterized in that: the inside of the inner protective wall is sequentially provided with several inner overflow channels from top to bottom, each of the The inner overflow channels are all arranged horizontally and parallel to each other, and several outer overflow channels are arranged in sequence from top to bottom inside the outer protective wall, and the slope of the outer overflow channels increases as the height increases.