Construction method of rope-ladder type ecological slope protection structure for cold region soil slope

Abstract

The application discloses a construction method of a rope-ladder type ecological slope protection structure for a cold region soil slope, which comprises the following steps: step one, filling shrub planting blocks of the rope ladder with a planting substrate, transplanting shrub seedlings in the planting substrate, rolling and pushing the shrub seedlings from a slope top to evenly lay the shrub seedlings on a slope surface; step two, rotating a first time a treading block so that a sawtooth surface of the treading block is perpendicular to the slope surface and downward, climbing along the rope ladder and treading the block, and removing gravel and floating soil on the slope along the slope surface; step three, climbing downward along the rope ladder, and fixing fiber ropes on the slope surface by using anchor nails; step four, rotating a second time the treading block, and keeping the opening of the shrub planting block unchanged in a state of being perpendicular to the slope surface and upward; and step five, repeating steps one to four, and arranging a plurality of rope-ladder type ecological slope protection structures in parallel on the slope according to the size of a slope surface to be repaired; the application has the advantages of simple construction, high efficiency and safety, can quickly form an ecological slope protection structure, and greatly improves construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ecological slope protection, in particular to a construction method of a rope-ladder type ecological slope protection structure for soil slopes in cold regions. BACKGROUND

[0002] Current large-scale engineering construction has caused a large number of excavated slopes, which has exacerbated vegetation destruction and soil erosion. If proper ecological restoration measures are not taken for the exposed slope surface, long-term severe soil erosion and other problems will occur.

[0003] The biggest feature of the slope support structure in cold regions is that the support structure bears alternating changes in frost heaving force and landslide thrust force with seasonal changes. In the current slope protection measures in cold regions, the rigid slope protection has poor adaptability to frost heaving deformation.

[0004] In the current construction of ecological slope protection, the construction personnel usually need to wear safety belts and use a sling for long-time operation from the top of the slope. The above measures not only have low construction efficiency, but also have certain safety hazards to the construction personnel. SUMMARY

[0005] The present application aims to overcome the above-mentioned deficiencies and provide a construction method of a rope-ladder type ecological slope protection structure for soil slopes in cold regions to solve the problems raised in the background art.

[0006] To solve the above technical problems, the technical solution adopted by the present application is as follows: a construction method of a rope-ladder type ecological slope protection structure for soil slopes in cold regions, which comprises the following steps:

[0007] Step 1: filling the brush planting block of the rope ladder with a planting substrate, transplanting shrub seedlings in the planting substrate, then fixing one end of the rope ladder at the top of the slope and rolling it down from the top of the slope to make it flatly laid on the slope surface;

[0008] Step 2: rotating the stepping block for the first time so that the sawtooth surface is perpendicular to the slope downward, and the construction personnel climb along the rope ladder by stepping on the stepping block to remove the gravel and floating soil on the slope;

[0009] Step 3: the construction personnel climb down along the rope ladder and fix the fiber rope to the slope surface by using the anchor nails;

[0010] Step 4: rotating the stepping block for the second time so that the sawtooth surface is perpendicular to the slope upward, and the brush planting block keeps its opening perpendicular to the slope upward during the rotation. The sawtooth of the rotating stepping block easily digs up the loose surface soil on the slope, and the surface soil enters the hollow cavity of the stepping block. After the stepping block is turned over, it is just placed in the recessed part formed by the digging of the surface soil on the slope, which ensures the stability of the stepping block on the slope;

[0011] Step five: repeat steps one to four, according to the size of the repaired slope area, a plurality of rope ladder ecological slope protection structures are arranged in parallel on the slope in sequence.

[0012] Preferably, it further comprises the following steps:

[0013] Step six: the construction personnel climb along the rope ladder from bottom to top, spray the underlying matrix on the slope surface until the thickness of the underlying matrix is flush with the sawtooth root height of the stepping block;

[0014] Step seven: after the underlying matrix is constructed, the construction personnel climb along the rope ladder from top to bottom, bind the reinforcing mesh and the anchor nail firmly, and the mesh hole of the reinforcing mesh is clamped into the sawtooth root of the stepping block;

[0015] Step eight: the construction personnel climb along the rope ladder from bottom to top, continue to spray the surface matrix until the thickness of the surface matrix is flush with the sawtooth tooth top height of the stepping block;

[0016] Step nine: complete the construction.

[0017] Preferably, the rope ladder ecological slope protection structure for the soil slope in cold regions comprises a rope ladder arranged on the slope surface, the rope ladder comprises fiber ropes arranged on both sides, a plurality of shrub planting blocks are fixed between the two fiber ropes, the shrub planting block is a hollow structure with one end open, and a stepping block is rotatably connected between the two fiber ropes, the stepping block is a hollow structure with one end open and in the shape of a sawtooth.

[0018] Preferably, the shrub planting block is filled with a planting matrix, and the planting matrix is transplanted with shrub seedlings.

[0019] Preferably, the components of the planting matrix filled in the shrub planting block are respectively: soil 98-100 parts, organic matter 5-6 parts, ceramsite 3-4 parts, and vermiculite 5-6 parts.

[0020] Preferably, the two ends of the shrub planting block are fixedly connected with the fiber ropes through a pin shaft, and the two ends of the stepping block are rotatably connected with the pin shaft through a sleeve.

[0021] Preferably, the stepping block is a transparent hard box structure.

[0022] Preferably, the fiber rope is fixed to the slope surface through an anchor nail.

[0023] The beneficial effects of the present application are:

[0024] 1、The present application is simple, efficient and safe in construction, and can quickly form an ecological slope protection structure, greatly improving the construction efficiency; the rope ladder structure involved in the present application is a flexible structure, which can withstand the deformation of frost heaving force, and better adapt to the alternating action environment of soil pressure and horizontal frost heaving force caused by partial soil frost heaving and thawing sinking in cold regions. At the same time, the flexible structure can be applied to slopes with different slopes and different slope concave-convex conditions, so that the flexible structure better fits the slope surface.

[0025] 2、The present application can easily dig up the loosened surface soil on the slope surface into the hollow cavity of the stepping block by rotating the stepping block, avoiding the complex traditional method of taking soil again and filling, and only one step is needed to complete, which is convenient and fast; in addition, by digging up the loosened surface soil on the slope surface, a certain depth of recessed part matching the size of the stepping block is formed on the slope surface covered by the stepping block, so that the stepping block can be placed in the recessed part after turning over, further enhancing the stability of the stepping block on the slope.

[0026] 3、The present application can stably fix the reinforcing mesh on the slope surface by firmly binding the reinforcing mesh and the anchor nail and clamping the mesh holes of the reinforcing mesh into the sawtooth roots of the stepping block; moreover, the stepping block can also support the reinforcing mesh, which can effectively solve the problem that the distance between the reinforcing mesh and the slope surface is difficult to maintain equal during the implementation of the net spraying construction, and the above-mentioned method can ensure that the distance between the reinforcing mesh and the slope surface is the designed value in the construction scheme, avoiding the disadvantage that the reinforcing mesh is too close to the slope surface in the traditional construction and does not maintain a certain distance from the slope surface.

[0027] 4、The sawtooth root height of the stepping block in the present application can be used as a reference point for the spraying thickness of the bottom layer substrate, and the tooth top height can be used as a reference point for the spraying thickness of the surface layer substrate, so as to strictly ensure that the spraying thickness is the designed thickness. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic diagram of a three-dimensional structure of a rope ladder type ecological slope protection structure for a cold region soil slope;

[0029] Figure 2 is a sectional view structure schematic diagram of Figure 1 ;

[0030] Figure 3 is a schematic diagram of an enlarged structure of the area where the stepping block in Figure 2 is located. DETAILED DESCRIPTION

[0031] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0032] Example 1: as Figures 1 to 3As shown, a rope ladder type ecological slope protection structure for cold region soil slope includes a rope ladder 2 laid on the slope surface of the slope 1, the rope ladder 2 includes fiber ropes 2.1 on both sides, a plurality of shrub planting blocks 2.3 are fixed between the two fiber ropes 2.1, the shrub planting block 2.3 is a hollow structure with one end open, and a stepping block 2.2 is rotationally connected between the two fiber ropes 2.1, the stepping block 2.2 is a hollow structure with one end open and in a sawtooth shape.

[0033] Preferably, the shrub planting block 2.3 is filled with a planting substrate, and a shrub seedling is transplanted in the planting substrate.

[0034] Preferably, the components of the planting substrate filled in the shrub planting block 2.3 are as follows in terms of weight fraction: soil 98-100 parts, organic matter 5-6 parts, ceramsite 3-4 parts, and vermiculite 5-6 parts. In this embodiment, the addition of ceramsite and vermiculite further makes the entire structure lightweight, facilitating carrying and transportation.

[0035] Preferably, the two ends of the shrub planting block 2.3 are fixedly connected with the fiber ropes 2.1 through pins, and the two ends of the stepping block 2.2 are rotationally connected with the pins through sleeves.

[0036] Preferably, the stepping block 2.2 is a transparent hard box structure.

[0037] Preferably, the fiber ropes 2.1 are fixed to the slope surface through anchor nails 3.

[0038] Embodiment 2: This embodiment discloses a construction method of the above rope ladder type ecological slope protection structure for cold region soil slope, which comprises the following steps:

[0039] Step one: filling the shrub planting block 2.3 of the rope ladder 2 with a planting substrate, transplanting a shrub seedling in the planting substrate, then fixing one end of the rope ladder 2 on the slope top, rolling it down from the slope top, and laying it flat on the slope surface of the slope 1;

[0040] Step two: rotating the stepping block 2.2 for the first time so that the sawtooth surface is perpendicular to the slope surface downward, a construction worker climbs along the rope ladder 2 by stepping on the stepping block 2.2, and removes the gravel and floating soil on the slope 1; since the sawtooth surface of the stepping block 2.2 is perpendicular to the slope surface downward, the anti-skid effect is significantly enhanced, the construction worker can climb along the rope ladder by pulling the fiber rope 2.1 with his hand and stepping on the stepping block 2.2 with his foot, effectively reducing the safety hazards in the construction process, and when the sawtooth surface of the stepping block 2.2 is perpendicular to the slope surface downward and the construction worker climbs up and down, the surface layer soil covered by the stepping block 2.2 is loosened, facilitating the overturning and digging process in the second rotation process.

[0041] The second step needs to spend a period of time in the process of cleaning the slope surface, and in the patent, the stepping block 2.2 is designed as a transparent hard box, so that the plants in the shrub planting block 2.3 can also be irradiated by sunlight, so that the shrub seedlings can grow on the slope surface in the early stage of construction, effectively saving the growth time.

[0042] Step three: the construction personnel climb down along the rope ladder 2, and fix the fiber rope 2.1 on the slope surface by using the anchor nails 3;

[0043] Step four: the stepping block 2.2 is rotated for the second time, so that the sawtooth surface is perpendicular to the upward slope, and the shrub planting block 2.3 keeps the opening perpendicular to the upward slope unchanged during the rotation, and the sawtooth of the stepping block 2.2 easily digs up the loose surface soil of the slope, and the surface soil enters the hollow cavity of the stepping block 2.2, so that the stepping block 2.2 is just placed in the recessed part formed by the digging of the surface soil after the turning, so as to ensure the stability of the stepping block on the slope; in the embodiment, the rotation of the stepping block 2.2 can make each stepping block 2.2 easily dig up the loose surface soil of the slope and enter the hollow cavity of the stepping block 2.2, avoiding the complex traditional way of taking soil again and filling, and only one step is needed to complete, which is convenient and fast. In addition, the digging of the loose surface soil of the slope makes the slope surface covered by the stepping block 2.2 appear a recessed part with a certain depth matching the size of the stepping block, so that the stepping block 2.2 is just placed in the recessed part after turning, further enhancing the stability of the stepping block 2.2 on the slope.

[0044] Step five: steps one to four are repeated, and according to the size of the slope surface to be repaired, a plurality of rope ladder type ecological slope protection structures are arranged in parallel on the slope 1.

[0045] Further, it further includes the following steps:

[0046] Step six: the construction personnel climb up from the bottom to the top along the rope ladder 2, and spray the bottom substrate 4 on the slope surface of the slope 1 until the thickness of the bottom substrate 4 is flush with the height of the sawtooth root of the stepping block 2.2;

[0047] Step seven: after the bottom layer substrate 4 is constructed, the construction personnel climb along the rope ladder 2 from top to bottom, bind the reinforced mesh 5 and the anchor nail 3 firmly, and clamp the mesh hole of the reinforced mesh 5 into the sawtooth root of the stepping block 2.2; in this embodiment, the reinforced mesh 5 is stably fixed on the slope surface by binding the reinforced mesh 5 and the anchor nail 3 firmly and clamping the mesh hole of the reinforced mesh 5 into the sawtooth root of the stepping block 2.2; moreover, the stepping block 2.2 can also support the reinforced mesh 5 as a cushion, which can effectively solve the problem that the distance between the reinforced mesh 5 and the slope surface is difficult to keep equal during the implementation of the net spraying construction, and the distance between the reinforced mesh 5 and the slope surface can be guaranteed to be the design value in the construction scheme by the above-mentioned manner, avoiding the disadvantage that the reinforced mesh 5 is too close to the slope surface and does not maintain a certain distance from the slope surface in the traditional construction.

[0048] Step eight: the construction personnel climb along the rope ladder 2 from bottom to top, continue to spray the surface layer substrate 6, and until the thickness of the surface layer substrate 6 is flush with the height of the sawtooth top of the stepping block 2.2; in this embodiment, the height of the sawtooth root of the stepping block 2.2 can be used as a reference point for the spraying thickness when spraying the bottom layer substrate 4, and the height of the sawtooth top can be used as a reference point for the spraying thickness when spraying the surface layer substrate 6, so that the spraying thickness can be strictly guaranteed to be the design thickness.

[0049] Step nine: the construction is completed.

[0050] Preferably, the bottom layer substrate 4 and the surface layer substrate 6 in this embodiment are mixed with herbaceous plant seeds, so that herbaceous plants can grow rapidly on the entire slope surface, and the shrub seedlings in the shrub planting block 2.3 can grow on the slope surface in the early stage of construction, so as to realize the three-dimensional landscape effect of grass and shrub combination. For the low shrubs with a relatively long growth cycle and the herbaceous plants with a relatively short growth cycle, the above-mentioned manner can effectively promote the synchronous greening of the herbaceous plants and the shrubs on the slope surface.

[0051] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limitations of the present application. The embodiments in the application and the features in the embodiments can be combined with each other as long as they do not conflict. The protection scope of the present application should be based on the technical solutions recited in the claims, including equivalent replacement solutions of the technical features recited in the claims. That is, equivalent replacement improvements within this range are also within the protection scope of the present application.

Claims

1. A construction method for a rope ladder-type ecological slope protection structure for soil slopes in cold regions, wherein the rope ladder-type ecological slope protection structure for soil slopes in cold regions includes a rope ladder (2) laid on the slope surface (1), the rope ladder (2) includes fiber ropes (2.1) located on both sides, and multiple shrub planting blocks (2.3) are fixedly arranged between the two fiber ropes (2.1), the shrub planting blocks (2.3) are hollow structures with one end open, and a stepping block (2.2) is rotatably connected between the two fiber ropes (2.1), the stepping block (2.2) is hollow structure with one end open and serrated; the two ends of the shrub planting blocks (2.3) are fixedly connected to the fiber ropes (2.1) by pins, and the two ends of the stepping blocks (2.2) are rotatably connected to the pins by sleeves; the shrub planting blocks (2.3) are located inside the cavities of the stepping blocks (2.2); characterized in that: It includes the following steps: Step 1: Fill the shrub planting block (2.3) of the rope ladder (2) with the planting substrate, transplant shrub seedlings into the planting substrate, then fix one end of the rope ladder (2) to the top of the slope, roll it down from the top of the slope, and lay it flat on the slope surface (1). Step 2: Rotate the stepping block (2.2) for the first time so that its sawtooth surface is perpendicular to the slope and downwards. The construction workers climb up the rope ladder (2) by stepping on the stepping block (2.2) and clear the loose stones and soil on the slope (1) along the slope. Step 3: Construction workers climb down the rope ladder (2) and use anchors (3) to fix the fiber rope (2.1) to the slope. Step 4: Rotate the tramp block (2.2) for the second time so that its serrated surface is perpendicular to the slope and facing upwards. During the rotation, the shrub block (2.3) keeps its opening perpendicular to the slope and facing upwards. By rotating the tramp block (2.2), its serrated surface easily digs up the loose topsoil on the slope. The topsoil enters the hollow cavity of the tramp block (2.2). This process causes the tramp block (2.2) to flip over and fit into the depression formed by digging up the topsoil on the slope, ensuring the stability of the tramp block on the slope. Step 5: Repeat steps 1 to 4, and arrange several rope ladder-type ecological slope protection structures in parallel on the slope (1) according to the required slope area to be repaired.

2. The construction method of the rope ladder-type ecological slope protection structure for cold-region soil slopes according to claim 1, characterized in that: It also includes the following steps: Step 6: Construction workers climb up the rope ladder (2) from bottom to top and spray the bottom substrate (4) on the slope (1) until the thickness of the bottom substrate (4) is level with the height of the serrated root of the tramp block (2.2); Step 7: After the bottom substrate (4) is completed, the construction workers climb down the rope ladder (2) from top to bottom, tie the reinforcing mesh (5) and anchor nails (3) firmly, and insert the mesh of the reinforcing mesh (5) into the serrated root of the step block (2.2); Step 8: Construction workers climb up the rope ladder (2) from bottom to top and continue spraying the surface substrate (6) until the thickness of the surface substrate (6) is level with the height of the serrated top of the step block (2.2); Step Nine: Complete the construction.

3. The construction method of the rope ladder-type ecological slope protection structure for cold-region soil slopes according to claim 1, characterized in that: The components of the vegetation substrate filling the shrub planting block (2.3) are as follows by weight: 98-100 parts soil, 5-6 parts organic matter, 3-4 parts expanded clay, and 5-6 parts vermiculite.

4. The construction method of a rope ladder-type ecological slope protection structure for cold-region soil slopes according to claim 1, characterized in that: The stepping block (2.2) is a transparent rigid box structure.

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