Complex soft rock multi-stage cutting high slope ecological protection system and construction method

Abstract

The invention provides a complex soft rock multi-stage cutting high slope ecological protection system and a construction method. The construction method comprises the steps that firstly, construction preparation is conducted; secondly, anchor rod construction is conducted, specifically, a construction platform is erected, drilling is conducted, anchor rods are installed, and then grouting is conducted; step 3, carrying out excavation construction on the sash grooves; fourthly, steel bars are installed and constructed; 5, formwork installation and concrete pouring construction are carried out; 6, net hanging and grass planting construction; the grooving efficiency, the perpendicularity of the sash groove, the installation speed of the steel reinforcement framework and the slope repairing effect can be effectively improved, meanwhile, the concrete scraping efficiency and the construction quality are improved, and the construction method has the advantages of being high in construction speed, saving manpower and cost and the like.

Description

Technical Field

[0001] The invention relates to the field of highway engineering, and in particular to an ecological protection system and a construction method for complex soft rock multi-level cutting high slopes, which are suitable for the construction of ecological protection for multi-level cutting high slopes, especially the construction of lattice beams. Background Art

[0002] In recent years, with the deepening implementation of the development concepts such as the construction of a strong transportation country and green transportation, my country's infrastructure construction has achieved rapid development. The scale of construction of railways, highways, water conservancy and other facilities in various places has continued to expand, involving a large amount of mountain excavation operations, and many exposed slopes have appeared, which have damaged the ecological environment along the construction projects to varying degrees. With the continuous development of mountain engineering construction, ecological protection in mountain construction has become a hot topic of concern. In buildings built on the mountain, there are usually a large number of mountain slopes around hotels, homestays and other buildings, and their protection problems are very prominent. Therefore, how to solve the stability of the engineering slopes and quickly restore the original ecological vegetation has become a difficult problem faced by the construction. In addition, in the past, the construction efficiency of excavation, steel bar installation, and concrete construction involved in the construction of slope frame beams was low.

[0003] In view of this, in view of the shortcomings in previous soft rock slope protection construction, a new construction method for complex soft rock multi-level road cutting high slope ecological protection system is urgently needed to improve construction efficiency, improve construction quality, and ensure the safety and reliability of the construction process. Summary of the invention

[0004] The purpose of the present invention is to provide an ecological protection system and construction method for complex soft rock multi-level road cutting high slopes, which can effectively improve the grooving efficiency and the verticality of the frame groove, the steel skeleton installation speed, and the slope repair effect, while improving the concrete leveling efficiency and construction quality, and has the characteristics of fast construction speed, saving manpower and cost, etc.

[0005] To achieve the above objectives, the present technical solution provides a construction method for a complex soft rock multi-level cutting high slope ecological protection system, comprising the following steps:

[0006] Step 1: Construction preparation;

[0007] Step 2: Anchor construction:

[0008] Set up a construction platform, drill holes, install anchor rods, and then perform grouting;

[0009] Step 3: Sash slot excavation construction:

[0010] Install the efficient groove structure of the guide digging tool, insert positioning ribs into the slopes on both sides of the sash groove, install guide plates on the positioning ribs, and use an excavator to excavate along the guide plates;

[0011] Step 4: Steel bar installation and construction:

[0012] Install the prefabricated steel frame platform and splice the sliding groove system, install the track on the top and side of the slope, splice the steel frame shelving platform specified by the track on the top of the slope, set the sliding groove on the frame groove, and fix the upper end of the sliding groove on the steel frame shelving platform, transport the prefabricated steel frame to the steel frame shelving platform, and move it to the installation position through the sliding groove, the prefabricated steel frame falls into the frame groove, and the steel construction is completed;

[0013] Step 5: Formwork installation and concrete pouring construction:

[0014] The frame beam reinforcement is arranged in the frame groove, steel molds are installed on both sides of the frame beam reinforcement, a sliding scraping plate is set on the steel mold, concrete is poured into the frame beam reinforcement, and the scraping and vibrating construction is performed by moving the scraping plate. After the curing is completed, the steel mold is removed to obtain the frame beam reinforcement;

[0015] Step 6: Hanging net and planting grass:

[0016] Plant grass by hanging nets in the frame beams;

[0017] Step 7: Construction completed:

[0018] After acceptance, the relevant equipment will be removed from the site.

[0019] Secondly, this plan provides an ecological protection system for complex soft rock multi-level road cutting high slopes, which is suitable for ecological protection of complex soft rock multi-level road cutting high slopes, including:

[0020] High-efficiency groove cutting structure of guide digging tool, sliding groove system with prefabricated steel frame platform splicing, steel formwork casting system with movable scraper plate, and bag foam concrete sunken slope filling structure;

[0021] The high-efficiency groove structure of the guide digging tool includes a sash groove, a positioning rib and a guide plate, wherein the sash groove is arranged on the slope, the positioning rib is arranged in the slopes on both sides of the sash groove, and the guide plate is fixed on the positioning rib;

[0022] The prefabricated steel frame platform splicing sliding into the slot system comprises a track, a steel frame shelving platform and a sliding slot, wherein the track is respectively arranged at the top and the side of the slope, the steel frame shelving platform is slidably arranged relative to the track, and the sliding slot is arranged above the frame slot, and the upper end is fixed on the steel frame shelving platform;

[0023] The steel formwork casting system with a movable scraper plate comprises a steel formwork, a frame beam reinforcement and a scraper plate, wherein the frame beam reinforcement is arranged in a frame groove, the steel formwork is arranged on both sides of the frame beam reinforcement, and the scraper plate is slidably mounted on the steel formwork;

[0024] The bag foam concrete sunken slope filling structure comprises an expandable bag, foam concrete, a steel mesh, and steel mesh fixing bars. The expandable bag is arranged at the sunken slope, and the steel mesh is fixed at the sunken slope by the steel mesh fixing bars.

[0025] Compared with the prior art, this technical solution has the following characteristics and beneficial effects:

[0026] (1) The excavation construction is carried out by using the high-efficiency groove cutting technology of the guide excavator, which is simple to operate and improves the linearity of the frame groove and the excavation construction efficiency.

[0027] (2) The steel bar installation is carried out by splicing and sliding the prefabricated steel bar skeleton platform into the groove technology, which can effectively ensure the integrity of the steel bar skeleton, avoid the tedious binding of personnel, improve construction efficiency, and save labor costs.

[0028] (3) The concrete construction is carried out using steel formwork casting technology with a movable scraper plate, which has good scraping effect and fast construction speed, ensuring the quality of concrete construction.

[0029] (4) The construction adopts the technology of filling the sunken slope with bag foam concrete, which is simple to operate and has good repair effect. It can realize the rapid repair of the slope and ensure the integrity of the slope. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a side view of the efficient groove structure of the guide digging tool;

[0031] Figure 2 This is a top view of the efficient groove structure of the guide digging tool;

[0032] Figure 3 This is a front view of the prefabricated steel frame platform splicing and sliding into the slot system structure;

[0033] Figure 4 It is a side view of the prefabricated steel frame platform splicing and sliding into the slot system structure;

[0034] Figure 5 yes Figure 4 Middle AA section view;

[0035] Figure 6 It is a schematic diagram of the steel formwork casting structure with a movable scraper plate;

[0036] Figure 7 yes Figure 6 Middle AA section view;

[0037] Figure 8 It is a schematic diagram of the structure of filling the sunken slope with bagged foam concrete.

[0038] In the figure: 1-side slope, 2-frame groove, 3-positioning rib, 4-guide plate, 5-track, 6-roller, 7-column base, 8-support column, 9-steel frame shelving platform, 10-sliding groove, 11-sliding groove side plate, 12-bottom plate drag handle, 13-sliding groove bottom plate, 14-bottom plate shelving frame, 15-steel mold, 16-sliding groove, 17-sliding block, 18-vertical support rod, 19-horizontal rod, 20-frame beam steel bar, 21-scraping plate, 22-scraping plate fixing piece, 23-expandable bladder, 24-foam concrete, 25-steel mesh, 26-steel mesh fixing rib, 27-concave slope surface. DETAILED DESCRIPTION

[0039] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0040] Those skilled in the art should understand that, in the disclosure of the present invention, the orientation or position relationship indicated by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0041] Embodiment 1

[0042] This scheme provides a construction method for a complex soft rock multi-level cutting high slope ecological protection system, including the following steps:

[0043] Step 1: Construction preparation;

[0044] Step 2: Anchor construction:

[0045] Set up a construction platform, drill holes, install anchor rods, and then perform grouting;

[0046] Step 3: Sash slot excavation construction:

[0047] Installing a high-efficiency groove-carving structure of a guide excavator, inserting positioning ribs (3) into the side slopes (1) on both sides of the frame groove (2), installing a guide plate (4) on the positioning rib (3), and using an excavator to excavate along the guide plate (4);

[0048] like Figure 1As shown, a plurality of positioning ribs (3) are inserted into the side slopes (1) on both sides of the frame groove (2) at intervals, and a guide plate (4) is installed on the positioning ribs (3). Figure 2 As shown, the guide plates (4) are located on both sides of the sash groove (2).

[0049] Step 4: Steel bar installation and construction:

[0050] Install the prefabricated steel frame platform splicing sliding groove system, install the track (5) on the top and side of the slope (1), splice the steel frame shelving platform (9) specified relative to the track (5) on the top of the slope (1), set the sliding groove (10) on the frame groove (2), and make the upper end of the sliding groove (10) fixed on the steel frame shelving platform (9), transport the prefabricated steel frame to the steel frame shelving platform (9), and move it to the installation position through the sliding groove (10), the prefabricated steel frame falls into the frame groove (2), and the steel construction is completed;

[0051] like Figure 4 As shown, the steel frame placing platform (9) is fixed on the supporting column (8), the supporting column (8) is arranged on the upper part of the column base (7), the bottom of the column base (7) is fixed with a roller (6), and the roller (6) is rollingly arranged on the track (5) at the top of the slope (1). In a specific embodiment, two parallel supporting columns (8) are arranged at the bottom of the steel frame placing platform (9), and a column base (7) is arranged at the bottom of each supporting column (8), and the column base (7) is arranged on the track (5) through the roller (6).

[0052] like Figure 4 and Figure 5 As shown, the lifting trough (10) of the present invention comprises a lifting trough side plate (11), a bottom plate drag handle (12), a lifting trough bottom plate (13), and a bottom plate shelf (14), wherein the lifting trough side plate (11) is vertically arranged relative to the lifting trough bottom plate (13), the bottom plate shelf (14) is arranged at the bottom of the lifting trough side plate (11), the lifting trough bottom plate (13) is placed on the bottom plate shelf (14), and the bottom plate drag handle (12) is arranged on the side of the lifting trough bottom plate (13), and the bottom plate drag handle (12) is pulled to move the lifting trough bottom plate (13).

[0053] In a specific embodiment, the lifting trough (10) includes two parallel and spaced lifting trough side panels (11), a bottom plate shelf (14) is arranged at the bottom of the two lifting trough side panels (11), the lifting trough bottom plate (13) is placed on the bottom plate shelf (14) and the lifting trough bottom plate (13) is removed by the bottom plate drag handle (12).

[0054] Step 5: Formwork installation and concrete pouring construction:

[0055] The frame beam reinforcement (20) is arranged in the frame groove (2), steel molds (15) are installed on both sides of the frame beam reinforcement (20), a sliding scraping plate (21) is set on the steel mold (15), concrete is poured into the frame beam reinforcement (20), and the scraping plate (21) is moved to perform scraping and vibrating construction. After curing is completed, the steel mold (15) is removed to obtain the frame beam reinforcement (20);

[0056] like Figure 6 and Figure 7 As shown, two steel molds (15) are installed on both sides of the lattice beam reinforcement (20), a sliding groove (16) is set on the top of the steel mold (15), a sliding block (17) is placed in the sliding groove (15), a vertical support rod (18) is fixed on the sliding block (17), a horizontal rod (19) connects the vertical support rods (18) on both sides, and a scraper plate (21) is fixed on the horizontal rod (19) through a scraper plate fixing member (22).

[0057] Step 6: Hanging net and planting grass:

[0058] Plant grass by hanging nets in the frame beams;

[0059] Step seven, construction completion: after acceptance, the relevant equipment will be removed from the site.

[0060] like Figure 8 As shown, in some embodiments, with respect to the concave slope surface (27) on the slope of the slope (1), an expandable bladder (23) is arranged at the concave slope surface (27), wherein the foam concrete (24) is arranged in the expandable bladder (23), and a steel mesh is fixed on the concave slope surface (27) by steel mesh fixing ribs (26).

[0061] This scheme provides an ecological protection system for complex soft rock multi-level road cutting high slopes, which is suitable for ecological protection of complex soft rock multi-level road cutting high slopes, including:

[0062] High-efficiency groove cutting structure of guide digging tool, sliding groove system with prefabricated steel frame platform splicing, steel formwork casting system with movable scraper plate, and bag foam concrete sunken slope filling structure;

[0063] The high-efficiency groove structure of the guide excavator comprises a sash groove (2), a positioning rib (3) and a guide plate (4), wherein the sash groove (2) is arranged on the slope (1), the positioning rib (3) is arranged in the slope (1) on both sides of the sash groove (2), and the guide plate (4) is fixed on the positioning rib (3);

[0064] The prefabricated steel frame platform splicing sliding groove system comprises a track (5), a steel frame shelving platform (9) and a sliding groove (10), wherein the track (5) is respectively arranged on the top and side of the slope (1), the steel frame shelving platform (9) is slidably arranged relative to the track (5), and the sliding groove (10) is arranged on the upper side of the frame groove (2), and the upper end is fixed on the steel frame shelving platform (9);

[0065] The steel mold casting system with a movable scraping plate comprises a steel mold (15), a lattice beam reinforcement (20) and a scraping plate (21), wherein the lattice beam reinforcement (20) is arranged in a lattice groove (2), the steel mold (15) is arranged on both sides of the lattice beam reinforcement (20), and the scraping plate (21) is slidably mounted on the steel mold (15);

[0066] The bag foam concrete sunken slope filling structure comprises an expandable bag (23), foam concrete (24), a steel mesh (25), and steel mesh fixing ribs (26); the expandable bag (23) is arranged at the sunken slope (27), and the steel mesh (25) is fixed at the sunken slope (27) by the steel mesh fixing ribs (26).

[0067] In some embodiments, the roller (6) is fixed to the bottom of the column base (7) and can roll on the track (5), the supporting column (8) is arranged on the upper part of the column base (7), and the steel frame support platform (9) is fixed on the supporting column (8).

[0068] In some embodiments, the lifting trough (10) includes a lifting trough side panel (11), a bottom plate drag handle (12), a lifting trough bottom plate (13) and a bottom plate shelf (14), wherein the bottom plate shelf (14) is arranged at the bottom of the lifting trough side panel (11), the lifting trough bottom plate (13) is placed on the bottom plate shelf (14), and the bottom plate drag handle (12) is arranged on the side of the lifting trough bottom plate (13).

[0069] In some embodiments, the sliding groove (16) is arranged on the top of the steel mold (15), the sliding block (17) is placed in the sliding groove (15), the vertical support rod (18) is fixed on the sliding block (17), the horizontal rod (19) connects the vertical support rods (18) on both sides, and the scraper plate (21) is fixed on the horizontal rod (19) through the scraper plate fixing member (22).

[0070] In some embodiments, the foamed concrete (24) is disposed within an expandable bladder (23).

[0071] Those skilled in the art should understand that the technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0072] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A construction method for a complex soft rock multi-level cutting high slope ecological protection system, characterized in that: The following steps are involved: Step 1: Construction preparation; Step 2: Anchor construction: Set up a construction platform, drill holes, install anchor rods, and then perform grouting; Step 3: Sash slot excavation construction: Installing a high-efficiency groove-carving structure of a guide excavator, inserting positioning ribs (3) into the side slopes (1) on both sides of the frame groove (2), installing a guide plate (4) on the positioning rib (3), and using an excavator to excavate along the guide plate (4); Step 4: Steel bar installation and construction: Install the prefabricated steel frame platform splicing sliding groove system, install the track (5) on the top and side of the slope (1), splice the steel frame shelving platform (9) specified relative to the track (5) on the top of the slope (1), set the sliding groove (10) on the frame groove (2), and make the upper end of the sliding groove (10) fixed on the steel frame shelving platform (9), transport the prefabricated steel frame to the steel frame shelving platform (9), and move it to the installation position through the sliding groove (10), the prefabricated steel frame falls into the frame groove (2), and the steel construction is completed; Step 5: Formwork installation and concrete pouring construction: The frame beam reinforcement (20) is arranged in the frame groove (2), steel molds (15) are installed on both sides of the frame beam reinforcement (20), a sliding scraping plate (21) is set on the steel mold (15), concrete is poured into the frame beam reinforcement (20), and the scraping plate (21) is moved to perform scraping and vibrating construction. After curing is completed, the steel mold (15) is removed to obtain the frame beam reinforcement (20); Step 6: Hanging net and planting grass: Plant grass by hanging nets in the frame beams; Step 7: Construction completed: After acceptance, the relevant equipment will be removed from the site.

2. The construction method of the complex soft rock multi-level cutting high slope ecological protection system according to claim 1 is characterized in that: The steel bar frame placing platform (9) is fixed on the supporting column (8), the supporting column (8) is arranged on the upper part of the column base (7), the bottom of the column base (7) is fixed with a roller (6), and the roller (6) is rollingly arranged on the track (5) at the top of the slope (1).

3. The construction method of the complex soft rock multi-level cutting high slope ecological protection system according to claim 1 is characterized in that: The lifting trough (10) comprises a lifting trough side plate (11), a bottom plate drag handle (12), a lifting trough bottom plate (13), and a bottom plate shelf (14), wherein the lifting trough side plate (11) is vertically arranged relative to the lifting trough bottom plate (13), the bottom plate shelf (14) is arranged at the bottom of the lifting trough side plate (11), the lifting trough bottom plate (13) is placed on the bottom plate shelf (14), and the bottom plate drag handle (12) is arranged on the side of the lifting trough bottom plate (13), and the lifting trough bottom plate (13) is moved away by pulling the bottom plate drag handle (12).

4. The construction method of the complex soft rock multi-level cutting high slope ecological protection system according to claim 3 is characterized in that: The lifting trough (10) comprises two parallel and spaced lifting trough side plates (11), a bottom plate shelf (14) is arranged at the bottom of the two lifting trough side plates (11), a lifting trough bottom plate (13) is placed on the bottom plate shelf (14) and the lifting trough bottom plate (13) is removed by a bottom plate drag handle (12).

5. The construction method of the complex soft rock multi-level cutting high slope ecological protection system according to claim 1 is characterized in that: Two steel molds (15) are installed on both sides of the lattice beam reinforcement (20), a sliding groove (16) is arranged on the top of the steel mold (15), a sliding block (17) is placed in the sliding groove (15), a vertical support rod (18) is fixed on the sliding block (17), a horizontal rod (19) connects the vertical support rods (18) on both sides, and a scraping plate (21) is fixed on the horizontal rod (19) through a scraping plate fixing member (22).

6. The construction method of the complex soft rock multi-level cutting high slope ecological protection system according to claim 1 is characterized in that: With respect to the concave slope surface (27) on the slope of the side slope (1), an expandable bladder (23) is arranged at the concave slope surface (27), wherein the foam concrete (24) is arranged in the expandable bladder (23), and a steel mesh is fixed on the concave slope surface (27) via steel mesh fixing ribs (26).

7. An ecological protection system for complex soft rock multi-level cutting high slopes, suitable for ecological protection of complex soft rock multi-level cutting high slopes, characterized in that: include: High-efficiency groove cutting structure of guide digging tool, sliding groove system with prefabricated steel frame platform splicing, steel formwork casting system with movable scraper plate, and bag foam concrete sunken slope filling structure; The high-efficiency groove structure of the guide excavator comprises a sash groove (2), a positioning rib (3) and a guide plate (4), wherein the sash groove (2) is arranged on the slope (1), the positioning rib (3) is arranged in the slope (1) on both sides of the sash groove (2), and the guide plate (4) is fixed on the positioning rib (3); The prefabricated steel frame platform splicing sliding groove system comprises a track (5), a steel frame shelving platform (9) and a sliding groove (10), wherein the track (5) is respectively arranged on the top and side of the slope (1), the steel frame shelving platform (9) is slidably arranged relative to the track (5), and the sliding groove (10) is arranged on the upper side of the frame groove (2), and the upper end is fixed on the steel frame shelving platform (9); The steel mold casting system with a movable scraping plate comprises a steel mold (15), a lattice beam reinforcement (20) and a scraping plate (21), wherein the lattice beam reinforcement (20) is arranged in a lattice groove (2), the steel mold (15) is arranged on both sides of the lattice beam reinforcement (20), and the scraping plate (21) is slidably mounted on the steel mold (15); The bag foam concrete sunken slope filling structure comprises an expandable bag (23), foam concrete (24), a steel mesh (25), and steel mesh fixing ribs (26); the expandable bag (23) is arranged at the sunken slope (27), and the steel mesh (25) is fixed at the sunken slope (27) by the steel mesh fixing ribs (26).

8. The complex soft rock multi-level cutting high slope ecological protection system according to claim 7 is characterized in that: The roller (6) is fixed at the bottom of the column base (7) and can roll on the track (5). The supporting column (8) is arranged on the upper part of the column base (7). The steel bar frame placing platform (9) is fixed on the supporting column (8).

9. The complex soft rock multi-level cutting high slope ecological protection system according to claim 7 is characterized in that: The lifting trough (10) comprises a lifting trough side plate (11), a bottom plate pulling handle (12), a lifting trough bottom plate (13) and a bottom plate shelf (14), wherein the bottom plate shelf (14) is arranged at the bottom of the lifting trough side plate (11), the lifting trough bottom plate (13) is placed on the bottom plate shelf (14), and the bottom plate pulling handle (12) is arranged on the side of the lifting trough bottom plate (13).

10. The complex soft rock multi-level cutting high slope ecological protection system according to claim 7, characterized in that: The sliding groove (16) is arranged on the top of the steel mold (15), the sliding block (17) is placed in the sliding groove (15), the vertical support rod (18) is fixed on the sliding block (17), the horizontal rod (19) connects the vertical support rods (18) on both sides, and the scraping plate (21) is fixed on the horizontal rod (19) through a scraping plate fixing member (22).

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