Anchoring device and deepwater roadbed layered filler reinforced filling method

Abstract

The invention discloses an anchoring device and a deepwater roadbed layered filler reinforcing and filling method. The anchoring device comprises a support and moving wheels installed at the bottom of the support. The anchoring assembly is mounted on the bracket and is used for anchoring the U-shaped steel nail on geotechnical cloth; the anchoring assembly comprises an air cylinder and an anchoring push rod connected with a piston rod of the air cylinder, the air cylinder is communicated with an air supply piece through a connecting pipe, and therefore the problems that due to the fact that a U-shaped steel nail is directly nailed into geotechnical cloth through manpower and goes deep into a roadbed by a certain depth, labor intensity is large, and construction efficiency is high are solved. And the nailing depth and angle of the nail may be different due to human factors, so that the consistency of the anchoring effect is influenced.

Description

Technical Field

[0001] The present application relates to the technical field of subgrade engineering construction, and more specifically, to an anchoring device and a method for reinforcing and filling a deep-water subgrade in layers with fillers. Background Art

[0002] With the increasing demand for highway construction, the sections along rivers and reservoirs are increasing day by day, and the stability of their subgrades is directly related to the quality of highway use, the difficulty of later repair, and the maintenance cost.

[0003] During the subgrade construction process, it is necessary to anchor U-shaped steel nails on the geotextile. Currently, to fix the U-shaped steel nails, usually construction workers hold the U-shaped steel nails and use tools such as hammers to directly drive the U-shaped steel nails into the geotextile and a certain depth into the subgrade by manpower. This method is simple to operate and has a low cost, and is suitable for small-scale construction or areas with relatively flat terrain and good geological conditions. However, the labor intensity is high, and the driving depth and angle of the nails may vary due to human factors, affecting the consistency of the anchoring effect.

[0004] For example, "Construction Technology for Fixing U-Shaped Steel Nails" discloses that when carrying out the construction of fixing U-shaped anchor nails, the following technological process needs to be followed: 1. Determine the fixing position. First, it is necessary to determine the fixing position of the U-shaped anchor nails according to the design drawings, including the quantity and layout... 5. Fix the U-shaped anchor nails. Use special tools, such as hammers or pneumatic tools, to firmly fix the U-shaped anchor nails in the concrete structure... When installing and fixing the U-shaped anchor nails, it is necessary to pay attention to applying force evenly to avoid causing deformation or damage to the U-shaped wrong nails.

[0005] Aiming at the problems in the related technology that when directly driving U-shaped steel nails into the geotextile and a certain depth into the subgrade by manpower, the labor intensity is high, and the driving depth and angle of the nails may vary due to human factors, affecting the consistency of the anchoring effect, no effective solution has been proposed yet. Summary of the Invention

[0006] The main purpose of the present application is to provide an anchoring device and a method for reinforcing and filling a deep-water subgrade in layers with fillers to solve the problem that the subgrade structure of the highway built along rivers and reservoirs may become unstable due to long-term erosion by the water environment, which may threaten driving safety and increase the maintenance cost.

[0007] To achieve the above purpose, according to one aspect of the present application, an anchoring device is provided.

[0008] The anchoring device according to the present application includes: a bracket, and moving wheels installed at the bottom of the bracket;

[0009] An anchoring assembly, installed on the bracket and used for anchoring the U-shaped steel nails on the geotextile;

[0010] The anchoring assembly includes: a cylinder, an anchoring push rod connected to the piston rod of the cylinder, and the cylinder is communicated with a gas supply member through a connecting pipe.

[0011] Furthermore, it further includes: a nail separating assembly for sequentially conveying the U-shaped steel nails to the anchoring assembly;

[0012] The nail separating assembly includes: a steel nail storage chamber installed on the bracket; a guiding structure for guiding the U-shaped steel nails is installed in the steel nail storage chamber; a pushing block is slidably installed on the guiding structure, and the pushing block is connected to the steel nail storage chamber through a spring.

[0013] Furthermore, a rack is also connected to the piston rod of the cylinder, the rack is meshed with a gear, the gear is coaxially connected with a first ratchet wheel, the first ratchet wheel is drivingly connected with a second ratchet wheel, and the second ratchet wheel is coaxially connected with a nail separating wheel;

[0014] When the piston rod of the cylinder moves downward, it drives the anchoring push rod to anchor the U-shaped steel nail; when the piston rod of the cylinder resets, it drives the anchoring push rod to reset, and at the same time drives the rack to move upward, the first ratchet wheel drives the second ratchet wheel to rotate, and further drives the nail separating wheel to rotate, so that the next U-shaped steel nail slides under the anchoring push rod.

[0015] Furthermore, a distance measuring device is installed on the bracket.

[0016] In order to achieve the above object, according to another aspect of the present application, a method for reinforcing and filling a deep-water roadbed with layered fillers is provided.

[0017] The method for reinforcing and filling a deep-water roadbed with layered fillers according to the present application includes:

[0018] S1. Pre-treat the soft soil layer within the water storage area to form a foundation;

[0019] S2. At the top of the foundation, carry out the first roadbed filling and reinforce and compact the filled first roadbed;

[0020] S3. Build a protection platform on the top of the first roadbed;

[0021] S4. At the top of the protection platform, carry out the second roadbed filling and reinforce and compact the filler of the filled second roadbed;

[0022] S5. Protect the surrounding water area.

[0023] Furthermore, the anchoring device includes: Step S1 includes:

[0024] S1.1. Pump out the water and remove the silt within the water storage area, and remove the soft soil layer;

[0025] S1.2. Replace the soft filler within the water storage area with hard filler;

[0026] S1.3. Backfill the subgrade soil.

[0027] Furthermore, adopt the described anchoring device, and step S2 includes:

[0028] S2.1. Fill with permeable material, and the filling thickness of the permeable material is greater than 1.5 meters;

[0029] S2.2. Strengthen and compact the filled permeable material;

[0030] S2.3. Lay geotextile on the strengthened and compacted permeable material, and use the anchoring device to anchor the U-shaped steel nails;

[0031] S2.4. Repeat steps S2.1 - S2.3 for a predetermined number of times.

[0032] Furthermore, step S2.3 includes:

[0033] S2.3.1. The construction worker pulls the bracket to move, so that the anchoring assembly moves to a predetermined position, and then the construction worker starts the cylinder;

[0034] S2.3.2. The construction worker starts the cylinder to anchor the U-shaped steel nails on the geotextile. The interval between two adjacent U-shaped steel nails is 2 meters. When the longitudinal two geotextiles are overlapped, they are stitched in a J-shaped manner, and the splicing part is not less than 80 millimeters;

[0035] And after step S2.3.2 and before step S2.4, the method further includes: S2.3.3. The construction worker pulls the bracket to move to the next target position, and uses the ranging device to measure the distance between the target position and the previous U-shaped steel nail.

[0036] Furthermore, step S3 includes:

[0037] S3.1. According to the detailed survey data, determine the water depth, highest water level, wave attack height, etc. of the water area;

[0038] S3.2. Add the highest water level and the wave attack height to the safety value to obtain the protection elevation;

[0039] S3.3. Set up a protection platform based on the protection elevation.

[0040] Furthermore, step S5 includes:

[0041] S5.2. When the route passes through a section with deeper water area, the slope within ±0.5 meters of the design water level is protected by a concrete slope protection composed of C25 concrete geomembrane bags with a thickness of 20 cm.

[0042] In the embodiment of the present application, the anchoring component is arranged on the movable support. Through the support, there are moving wheels installed at the bottom of the support; the anchoring component is installed on the support and is used to anchor the U-shaped steel nails on the geotextile. The anchoring component includes: a cylinder, an anchoring push rod connected to the piston rod of the cylinder, and the cylinder is communicated with a gas supply component through a connecting pipe. It achieves the purpose of being able to move the anchoring component to a predetermined position as needed, thus realizing the technical effects of low labor intensity and high consistency, and further solving the technical problem that due to directly driving the U-shaped steel nails into the geotextile by manpower and penetrating a certain depth into the roadbed, the labor intensity is large, and the driving depth and angle of the nails may vary due to human factors, affecting the consistency of the anchoring effect. Brief Description of the Drawings

[0043] The drawings forming a part of the present application are used to provide a further understanding of the present application, making other features, objectives, and advantages of the present application more obvious. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0044] Figure 1 It is the schematic diagram of the principle of the method for reinforcing and filling a deep-water roadbed in layers with fillers;

[0045] Figure 2 It is the schematic diagram of the construction principle of the method for reinforcing and filling a deep-water roadbed in layers with fillers;

[0046] Figure 3 It is the schematic diagram of the laying of the geotextile in the method for reinforcing and filling a deep-water roadbed in layers with fillers according to the embodiment of the present application;

[0047] Figure 4 It is the schematic diagram of the principle of the protection platform, the first roadbed, and the second roadbed in the method for reinforcing and filling a deep-water roadbed in layers with fillers according to the embodiment of the present application;

[0048] Figure 5 It is the schematic diagram of the principle of the protection platform and the arch-shaped skeleton protection in the method for reinforcing and filling a deep-water roadbed in layers with fillers according to the embodiment of the present application;

[0049] Figure 6 It is the schematic diagram of the structure of the anchoring device according to the embodiment of the present application;

[0050] Figure 7 It is the schematic diagram of the anchoring device according to the embodiment of the present application;

[0051] Figure 8Yes Figure 6 Partial enlarged view of part A;

[0052] Figure 9 Internal structure schematic diagram of the anchoring assembly and the nail separating assembly according to an embodiment of the present application;

[0053] Figure 10 Structure schematic diagram of the rack and pinion according to an embodiment of the present application.

[0054] Reference numerals

[0055] 1. Bracket; 2. Movable wheel; 3. Handrail; 4. Anchoring assembly; 5. Cylinder; 6. Anchoring push rod; 7. Air supply member; 8. Nail separating assembly; 9. Steel nail storage chamber; 10. Guide structure; 11. Push block; 12. Spring; 13. Rack; 14. Gear; 15. First ratchet; 16. Second ratchet; 17. Nail separating wheel; 18. Distance measuring device. Detailed implementation manners

[0056] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0057] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances for the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0058] In the present application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0059] Moreover, in addition to being used to represent orientation or positional relationships, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present invention can be understood according to specific circumstances.

[0060] In addition, the terms "installed", "set up", "provided with", "connected", "linked", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, components or parts. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0062] As Figures 1-10 shown, the present application also relates to an anchoring device, which includes: a bracket 1, a moving wheel 2 installed at the bottom of the bracket 1, and the moving wheel 2 is preferably a universal wheel; one side of the top of the bracket 1 is installed with a handrail 3 to facilitate the construction workers to pull the entire device; an anchoring assembly 4 is carried on the bracket 1, which can realize continuous operation of walking and anchoring. Compared with the prior art, the operation efficiency is increased by more than 3 times through manual squatting single-point operation, and redundant actions such as manual repeated squatting and standing up, moving the toolbox, and adjusting the position can be eliminated, thereby reducing the labor intensity of construction workers. At the same time, when the construction workers operate the cart upright, the stress on the lumbar spine is greatly reduced, which can effectively prevent occupational diseases such as lumbar muscle strain and knee joint injury.

[0063] A control switch can be arranged on the handrail 3, and the control switch is electrically connected to the air cylinder 5 for controlling the start of the air cylinder 5. With such a design, during the process of pulling the cart by the operator, the hand is naturally placed on the handrail, and it is very convenient to touch the control switch, without the need to change the posture additionally or look for a special control position, and the start of the air cylinder 5 can be controlled at any time to realize the instant control of the operation of the anchoring U-shaped steel nails; a storage box is also installed at the top of the bracket 1. The operator does not need to frequently go back and forth to the material storage point to get the U-shaped steel nails, and can obtain the required materials from the storage box at any time, ensuring the continuity of the work.

[0064] The anchoring assembly 4 is installed on the bracket 1 and is used for anchoring the U-shaped steel nails on the geotextile;

[0065] The anchoring assembly 4 includes: a cylinder 5, an anchoring push rod 6 connected to the piston rod of the cylinder 5. The anchoring push rod 6 is used to drive U-shaped steel nails into the geotextile for anchoring the geotextile. The cylinder 5 is connected to a gas supply member 7 through a connecting pipe. A pneumatic control valve is installed between the gas storage tank and the cylinder 5. The gas supply member 7 can be a gas storage tank, an air compressor, etc. When a gas cylinder is selected, the gas cylinder can be installed on one side of the storage box. When an air compressor is selected, it can be connected to the air compressor through a connecting pipe. The length of the connecting pipe is 10 - 50 meters.

[0066] A nail distributing assembly 8 that sequentially conveys U-shaped steel nails to the anchoring assembly 4. The nail distributing assembly 8 is installed on the top of the bracket 1 and is located on one side of the anchoring push rod 6. The nail distributing assembly 8 includes: a steel nail storage chamber 9 installed on the bracket 1, and its discharge end is located below the anchoring push rod 6. A guiding structure 10 for guiding U-shaped steel nails is installed in the steel nail storage chamber 9, and the shape of the guiding structure 10 is adapted to the U-shaped steel nails. A push block 11 is slidably installed on the guiding structure 10. The push block 11 is connected to the steel nail storage chamber 9 through a spring 12 and is used to push the U-shaped steel nails towards the anchoring push rod 6 through the push block 11. A handle is installed on the push block 11 to facilitate the construction personnel to load the U-shaped steel nails and reset the push block 11.

[0067] A rack 13 is further connected to the piston rod of the cylinder 5. The rack 13 is meshed with a gear 14. The gear 14 is coaxially connected with a first ratchet wheel 15. The first ratchet wheel 15 is drivingly connected with a second ratchet wheel 16. The second ratchet wheel 16 is coaxially connected with a nail distributing wheel 17. The nail distributing wheel 17 is located above the guiding structure 10 and can contact the U-shaped steel nails on the guiding structure 10.

[0068] When the pneumatic control valve is opened, the cylinder 5 drives the piston rod to move downward to drive the anchoring push rod 6 to strike the U-shaped steel nails to achieve the anchoring work. At the same time, the rack 13 moves downward accordingly. The main gear 14 drives the first ratchet wheel 15 to rotate, and the first ratchet wheel 15 does not drive the second ratchet wheel 16 to rotate, so the nail distributing wheel 17 is not driven to rotate. When the pneumatic control valve is reversed, the piston rod of the cylinder 5 moves upward to reset, causing the rack 13 to move upward. At this time, the first ratchet wheel 15 drives the second ratchet wheel 16 to rotate, and further drives the nail distributing wheel 17 to rotate, so that the next U-shaped steel nail slides under the anchoring push rod 6, facilitating the next anchoring. Among them, the sizes of the gear and the rack, and the transmission ratios of the first ratchet wheel 15 and the second ratchet wheel 16 can be adjusted according to the size of the U-shaped steel nails. The nail distributing wheel 17 includes: a nail distributing wheel main body, and nail distributing structures arranged on the surface of the nail distributing wheel main body along the circumferential direction. The number of the nail distributing structures can be set according to the rotation stroke of the nail distributing wheel main body.

[0069] A distance measuring device 18 is installed on the bracket 1. The distance measuring device 18 can be a laser distance meter, a laser marking instrument, a retractable ruler, a retractable ruler, etc., and is used to measure the distance between adjacent two U-shaped steel nails.

[0070] The present application also relates to a method for reinforced filling of a deep-water roadbed in layers, which includes:

[0071] S1. Pretreat the soft soil layer within the water storage area to form a foundation; among them, the water storage area refers to an area with water storage function. During actual construction, this area may include ponds, reservoirs, as well as some ditches, ponds, depressions, etc. with water storage function;

[0072] S2. At the top of the foundation, carry out the first roadbed filling and reinforce and compact the filled first roadbed;

[0073] S3. Build a protection platform on the top of the first roadbed;

[0074] S4. At the top of the protection platform, carry out the second roadbed filling and reinforce and compact the filled second roadbed filler; the second roadbed is filled with plain soil material, and the plain soil material has a certain strength after compaction.

[0075] S5. Protect the waters around the first roadbed, the protection platform and the second roadbed.

[0076] It can be seen from the above description that in the embodiment of the present application, by preprocessing the soft soil layer within the water storage area and successively building the first roadbed, the protection platform, and the second roadbed on the preprocessed foundation, and then protecting the waters around the roadbed, through S1. Pretreat the soft soil layer within the water storage area to form a foundation; S2. At the top of the foundation, carry out the first roadbed filling and reinforce and compact the filled first roadbed; S3. Build a protection platform on the top of the first roadbed; S4. At the top of the protection platform, carry out the second roadbed filling and reinforce and compact the filled second roadbed filler, the purpose of reinforcing the roadbed, making the roadbed structure firm, and protecting the roadbed is achieved, thereby realizing the technical effect of avoiding the erosion of the roadbed by the surrounding waters, and further solving the technical problem that the roadbed structure of the expressway built along rivers and reservoirs is unstable due to long-term water environment erosion, which may threaten driving safety and increase maintenance costs.

[0077] Preferably, step S1 includes:

[0078] S1.1. Pump out water and remove silt within the water storage area, and remove the soft soil layer; the water storage area often may accumulate a large amount of water and silt; the silt has soft soil quality and poor bearing capacity. If the roadbed filling is directly carried out on it, problems such as uneven settlement of the roadbed will occur, affecting the stability and safety of the roadbed; first pump out the water in the ditch or pond, and then remove the silt in it, which can create good basic conditions for subsequent construction;

[0079] S1.2. Replace and fill with hard fillers within the water storage area; the hard fillers include: gravel and sand; among them, gravel has high strength and good water permeability, which can improve the bearing capacity of the foundation and reduce the settlement deformation of the foundation; replacing and filling with gravel can improve the physical and mechanical properties of the foundation, make the foundation more stable, and provide a solid support for the subsequent subgrade filling.

[0080] S1.3. Backfill subgrade soil. Subgrade soil is the main material for constructing the subgrade. Backfilling subgrade soil can gradually build a subgrade structure that meets the standards according to the design requirements to meet the requirements of the road or project for subgrade strength, stability, etc.; through the above pretreatment process, problems such as subgrade settlement and collapse caused by insufficient bearing capacity of the foundation can be avoided, thus ensuring the quality and service life of the entire project.

[0081] Preferably, step S2 includes:

[0082] S2.1. Fill and construct with permeable materials. The filling thickness of the permeable materials is greater than 1.5 meters, preferably 2 meters; the permeable materials are selected as those with small compression deformation and good water stability.

[0083] S2.2. Strengthen and compact the filled permeable materials; for example, use a 25KJ impact roller to strengthen and compact the permeable materials and the area between the permeable materials and the bottom surface of the lower roadbed; compaction is required at the middle of each slope and at each platform. The preferred number of impact rolling passes is 20 times.

[0084] S2.3. Lay geotextile on the strengthened and compacted permeable materials; the geotextile is preferably high-strength reinforced geotextile, which is used to improve the stability of the first subgrade.

[0085] S2.4. Repeat steps S2.1 - S2.3 for a predetermined number of times to form the first subgrade; among them, the predetermined number of times is determined according to the total height of the first subgrade. For example, if the total height is 6 meters and each layer of permeable materials is filled with 2 meters, the predetermined number of times is 3 times.

[0086] Preferably, step S3 includes:

[0087] S3.1. Determine the water depth, highest water level, wave attack height, etc. of the water area according to the detailed exploration data; the water area refers to a pond or a reservoir.

[0088] S3.2. Add the highest water level and the wave attack height to the safety value to obtain the protection elevation; the safety value is preferably 0.5 meters.

[0089] S3.3. Set up a protection platform based on the protection elevation; preferably, a platform drainage ditch is set at the protection platform. There is a 1m-wide platform on the inner side of the ditch and a 1.3m-wide platform on the outer side, which is convenient for subgrade drainage and used to collect the surface runoff water to prevent the water pollution of the water area by the road surface water; the drainage ditch is made of C25 concrete.

[0090] Preferably, the slope ratio of the first roadbed is 1:1.75. The first roadbed is located below the protection platform. Since the second roadbed is long-term in the reservoir area water, it is subject to the actions of buoyancy, seepage pressure and water flow scouring of water, etc., and has relatively high requirements for the stability of the roadbed; the slope ratio of 1:1.75 is relatively gentle. The gentle slope can increase the anti-slip stability of the roadbed, enabling the roadbed to better resist lateral forces when affected by water, and reducing the occurrence of diseases such as landslides and collapses; the gentle slope can slow down the flow velocity of the water on the slope surface, reduce the scouring force of the water flow on the slope surface, and also facilitate the stable setting of the protection structure, enhancing the protection effect on the roadbed;

[0091] The slope ratio of the second roadbed is 1:1.5. Since the second roadbed is located above the protection platform, the geological conditions where the second roadbed is located are relatively good, and the upper load is relatively small. On the premise of ensuring stability, in order to reduce the excavation and filling volume of earthwork and stonework, thereby reducing the project cost and shortening the construction period; at the same time, this slope is conducive to the rapid drainage of rainwater and the like from the roadbed slope surface, reducing the residence time of rainwater on the slope surface, thereby reducing the erosion and softening effects of rainwater on the plain soil roadbed and protecting the stability of the roadbed;

[0092] In addition, the steeper slope ratio of the first-class roadbed and the gentler slope ratio of the second-class roadbed cooperate with each other, enabling the entire roadbed structure to meet the requirements of stability and safety while being coordinated with the surrounding environment and the overall layout of the project.

[0093] Preferably, in step S2.3, through the anchoring device, U-shaped steel nails are used to anchor the geotextile. The interval between two adjacent U-shaped steel nails is 2 meters, and the horizontal and vertical spacings are both 2 meters; when the longitudinal two geotextiles are overlapped, they are stitched in a J-shaped manner, and the splicing part is not less than 80 millimeters.

[0094] Preferably, step S5 includes: S5.1. When the height of the soil slope is greater than 4 meters, an arched skeleton is used for protection, and grass is sprayed and sown in the arched skeleton;

[0095] S5.2. When the route passes through a deeper water area section, the slope within 0.5 meters above and below the design water level is protected by a 20-centimeter-thick C25 concrete geomembrane bag concrete slope protection;

[0096] Among them, water area protection refers to ponds or reservoirs in the surrounding areas associated with the first subgrade and the second subgrade, rather than the water storage area at the bottom of the first subgrade; since the water area is adjacent to the subgrade, protective measures are required to ensure the stability of the subgrade and deal with the potential flood impacts from the water area, such as preventing water from scouring and permeating the subgrade; thus, in the construction of expressways, for subgrades built along water areas, it is possible to significantly reduce the impacts of waterlogged subgrades under the actions of water flow impact and scouring, as well as the influence of water on the subgrade fill, thereby avoiding situations such as subgrade water damage, toe erosion of the slope resulting in the loss of fine-grained fillers in the subgrade, and further leading to subgrade deformation failure and slope collapse.

[0097] Preferably, step S2.3 includes:

[0098] S2.3.1. Construction workers pull the support to move, so that the anchoring component moves to a predetermined position;

[0099] S2.3.2. Then, the construction workers start the cylinder (the cylinder can be started by pressing the control switch set on the armrest) to anchor the U-shaped steel nails on the geotextile; among them, the interval between two adjacent U-shaped steel nails is not greater than 2 meters; when longitudinally overlapping two geotextiles, the J-shaped method is used for stitching, and the splicing part is not less than 80 millimeters;

[0100] S2.3.3. The construction workers pull the support to move to the next target position, and use a distance measuring device to measure the distance between the target position and the previous U-shaped steel nail, so that the distance between the target position and the previous already anchored U-shaped steel nail is about 2 meters; taking a retractable ruler as an example, the retractable ruler is installed on the front side of the support, and the construction workers stretch the retractable ruler. Considering the distance between the anchoring component and the retractable ruler, for example, the distance between the anchoring component and the retractable ruler is 30 centimeters, then the stretching length of the retractable ruler is 170 centimeters. When the extended end of the retractable ruler is aligned with the previous already anchored U-shaped steel nail, the construction workers execute step S2.3.1; among them, the retractable ruler consists of a fixed part that can be fixedly installed on the support and a sliding part that is slidably installed on the fixed part, and scales are engraved on the fixed part and the sliding part; in addition, the retractable ruler can also be set on the side of the support, and the construction workers can also push the support for construction.

[0101] When manually anchoring, construction workers need to frequently squat down, stand up, and move positions, which wastes a lot of time on unnecessary actions. Moreover, construction workers maintain a squatting position for a long time, which will bring great pressure to the waist, legs and other parts, and is likely to cause physical fatigue and injury. When using the anchoring device for anchoring, construction workers only need to pull the bracket to the predetermined position to perform the anchoring operation, reducing the time consumption of ineffective actions, increasing the number of anchorings per unit time, greatly reducing the physical burden and lowering the labor intensity. In addition, construction workers are prone to injury due to operational errors during manual anchoring, while the anchoring push rod of this application is at the bottom of the bracket, fundamentally avoiding the occurrence of accidental injury and providing higher safety protection for construction workers.

[0102] The above are only the preferred embodiments of this application and are not intended to limit this application. For those skilled in the art, this application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims

1. An anchoring device, characterized in that: include: A bracket, and a moving wheel mounted on the bottom of the bracket; An anchoring assembly, mounted on the bracket, used to anchor the U-shaped steel nails on the geotextile; The anchoring assembly comprises: a cylinder, an anchoring push rod connected to a piston rod of the cylinder, and the cylinder is connected to an air supply member via a connecting pipe.

2. The anchoring device according to claim 1, characterized in that: Also includes: A nail separation assembly, used for sequentially conveying the U-shaped steel nails to the anchor assembly; The nail separation assembly includes: a steel nail storage chamber installed on the bracket; a guide structure for guiding the U-shaped steel nails is installed in the steel nail storage chamber; a push block is slidably installed on the guide structure, and the push block is connected to the steel nail storage chamber through a spring.

3. The anchoring device according to claim 1, characterized in that: The piston rod of the cylinder is also connected to a rack, the rack is meshed with a gear, the gear is coaxially connected to a first ratchet, the first ratchet is transmission-connected to a second ratchet, and the second ratchet is coaxially connected to a spike wheel; When the piston rod of the cylinder moves downward, it drives the anchoring push rod to anchor the U-shaped steel nail; when the piston rod of the cylinder is reset, it drives the anchoring push rod to reset and drives the rack to move upward at the same time, and the first ratchet drives the second ratchet to rotate, thereby driving the nail wheel to rotate, so that the next U-shaped steel nail slides under the anchoring push rod.

4. The anchoring device according to claim 1, characterized in that: A distance measuring device is installed on the bracket.

5. A method for reinforcing and filling a deep-water roadbed with layered fillers, characterized in that: The following steps are involved: S1. Pre-treat the soft soil layer within the water storage area to form a foundation; S2, constructing a first roadbed on the top of the foundation, and reinforcing and compacting the constructed first roadbed; S3, building a protection platform on the top of the first roadbed; S4, constructing a second roadbed on the top of the protection platform, and reinforcing and compacting the second roadbed filler; S5. Protect surrounding waters.

6. The method for reinforcing and filling deepwater roadbed layered fillers according to claim 5 is characterized in that: Step S1 includes: S1.

1. Pump out water and dredge the water within the water storage area, and remove the soft soil layer; S1.

2. Replace the hard filler within the water storage area; S1.

3. Backfill the roadbed soil.

7. The deepwater roadbed layered filling reinforcement filling method according to claim 6 is characterized in that: The anchoring device according to any one of claims 1 to 4 is used, and step S2 comprises: S2.1, filling with water-permeable materials, the filling thickness of the water-permeable materials is greater than 1.5 meters; S2.2, reinforcing and compacting the filled water-permeable material; S2.3, laying geotextile on the reinforced and compacted permeable material, and anchoring U-shaped steel nails with anchoring devices; S2.4, loop through steps S2.1-S2.3 for a predetermined number of times.

8. The method for reinforcing and filling deepwater roadbed with layered fillers according to claim 7, characterized in that: Step S2.3 includes: S2.3.

1. The construction personnel pull the bracket to move the anchor assembly to a predetermined position, and then the construction personnel start the cylinder; S2.3.

2. Construction personnel activate the cylinder to anchor the U-shaped steel nails on the geotextile. The interval between two adjacent U-shaped steel nails is 2 meters. The two geotextiles are overlapped longitudinally in a J-shaped stitching manner, and the splicing part is not less than 80 mm. And after step S2.3.2 and before step S2.4, the method further includes: S2.3.3, the construction personnel pull the bracket to move to the next target position, and use the distance measuring device to measure the distance between the target position and the previous U-shaped steel nail.

9. The method for reinforcing and filling deepwater roadbed layered fillers according to claim 7, characterized in that: Step S3 includes: S3.

1. Determine the water depth, highest water level, wave invasion height, etc. of the water area in question based on detailed survey data; S3.2, adding the highest water level, wave invasion height and safety value to obtain the protection elevation; S3.

3. Based on the protection elevation, set up a protection platform.

10. The deepwater roadbed layered filling reinforcement filling method according to claim 9 is characterized in that: Step S5 includes: S5.

1. When the height of the soil slope is greater than 4 meters, an arch frame is used for protection, and grass is sprayed inside the arch frame; S5.

2. When the route passes through a deeper water section, the slopes within the range of ±0.5 meters from the design water level shall be protected by concrete slope protection composed of concrete geomembrane bags.

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