CN218912371U - Directional ramp of foundation pit - Google Patents

Abstract

The utility model relates to the technical field of foundation pit engineering in building construction, and discloses a foundation pit directional ramp, which comprises a slope body, wherein the slope body is formed by a partial soil body reserved in foundation pit excavation and comprises a platform surface, an inclined surface and a vertical surface, and the platform surface is arranged in parallel with the ground on the periphery of the foundation pit; the inclined plane is connected with the platform surface and extends to the bottom surface of the foundation pit; the vertical surfaces are arranged on two sides of the flat table surface and the inclined surface; the slope body reinforcing structure comprises concrete precast piles and steel sheet piles, wherein the concrete precast piles and the steel sheet piles are arranged on the vertical joint surface, the concrete precast piles are arranged at intervals, and the steel sheet piles are arranged between the adjacent concrete precast piles. The utility model solves the technical problems of material waste, high construction cost and long construction period due to the fact that a steel structure ramp is usually built in a limited place for realizing the setting of a narrow ramp.

Description

Directional ramp of foundation pit

Technical Field

The utility model relates to the technical field of foundation pit engineering in building construction, in particular to a foundation pit directional ramp.

Background

When a large building is constructed, a foundation and an underground structure are constructed after the excavation of a large-area foundation pit is completed. The process of excavating and discharging soil requires retaining a discharging ramp in a foundation pit, and a discharging mode is generally adopted. However, large building foundations and underground structures often require post-cast strips as required, and the large-area ultra-long structure is split into small-scale structural units for separate casting. Leaving the post-cast strip often results in limited width of the unearthed ramp in the foundation pit.

At this time, if the two sides of the ramp adopt a slope releasing mode, the occupied space is too large to implement; if the modes of 'pile row, anchor rod and support' or steel structure ramp construction are adopted, the materials are wasted, the construction period is prolonged and the cost is too high. Therefore, how to implement a narrow ramp in a limited place and complete construction with less material consumption, lower engineering cost and faster construction speed is one of the problems to be solved in the art.

Disclosure of Invention

The utility model aims to solve the technical problems that: because the setting of realizing narrow ramp in limited place adopts the mode of building steel construction ramp generally, there is the technical problem that the material is extravagant, construction cost is high and the time limit for a project is long.

In order to solve the technical problems, the embodiment of the utility model provides a foundation pit directional ramp.

The foundation pit orientation ramp includes:

the slope body is formed by retaining local soil body in excavation of the foundation pit and comprises a platform surface, an inclined surface and a vertical surface, wherein the platform surface is arranged in parallel with the ground on the periphery of the foundation pit; the inclined plane is connected with the platform surface and extends to the bottom surface of the foundation pit; the vertical surfaces are arranged on two sides of the platform surface and the inclined surface;

the slope body reinforcing structure comprises concrete precast piles and steel sheet piles, wherein the concrete precast piles and the steel sheet piles are arranged on the vertical surfaces in a laminating mode, the concrete precast piles are arranged at intervals, and the steel sheet piles are arranged between the adjacent concrete precast piles.

The foundation pit directional ramp comprises a slope body and a slope body reinforcing structure, wherein the slope body is formed by reserving local soil in foundation pit excavation, concrete precast piles and steel sheet piles are arranged on the vertical surface of the slope body through fitting, a plurality of concrete precast piles are arranged at intervals, the steel sheet piles are arranged between adjacent concrete precast piles, the vertical surface of the slope body is protected, the number of steel bars and/or concrete precast piles is reduced compared with the conventional slope body reinforcement, the steel sheet piles and the concrete precast piles are combined to reinforce the vertical surface of the slope body, steel is saved, the production cost is reduced, and meanwhile, the steel sheet piles are combined to facilitate disassembly and secondary utilization, the construction period is effectively shortened, and the construction efficiency is improved. And further, the technical problems of material waste, high construction cost and long construction period due to the fact that a steel structure ramp is built in a limited place for realizing the setting of a narrow ramp are solved.

Preferably, the slope reinforcement structure comprises a waist beam, and the waist beam is connected and arranged on the concrete precast pile and the steel sheet pile.

Preferably, the wale includes a straight section and an inclined section.

Preferably, the slope reinforcement structure comprises a middle prestress pull rod, and two ends of the middle prestress pull rod are respectively arranged on waist beams at the left side and the right side of the slope.

Preferably, an anchor bearing plate is arranged at the connection position of the middle prestress pull rod and the waist beam. And/or the number of the groups of groups,

the middle prestressed pull rod is arranged at the crossing position of the waist beam and the concrete precast pile.

Preferably, the slope reinforcement structure comprises a gusset, one end of the gusset is arranged on the concrete precast pile below the platform surface, and the other end of the gusset is arranged on the foundation pit guard pile of the foundation pit.

Preferably, the slope reinforcement structure comprises a crown beam, and the inclined surface and/or the platform surface of the crown Liang Linjin are arranged on the concrete precast pile and the steel sheet pile.

Preferably, the slope body reinforcing structure comprises a prefabricated pavement which is attached to the platform surface and/or is arranged on the inclined surface, the prefabricated pavement comprises a plurality of prefabricated pavement boards, and a splicing limiting structure is arranged on the abutting surface of each adjacent prefabricated pavement board in a matching mode.

Preferably, the splice limiting structure comprises a limiting protrusion or a limiting groove.

Preferably, a reserved hole is formed in the prefabricated pavement slab, a top prestress pull rod is arranged between the crown beams at the left side and the right side of the slope body, and the top prestress pull rod passes through the reserved hole and is fastened on the crown beams.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a foundation pit orientation ramp according to an embodiment of the present utility model;

FIG. 2 is a schematic side elevational view of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

FIG. 4 isbase:Sub>A schematic view of the sectional A-A structure of FIG. 1;

FIG. 5 is a schematic view of the sectional B-B structure of FIG. 1;

FIG. 6 is a schematic view of a preformed pavement of a foundation pit orientation ramp according to an embodiment of the present utility model;

fig. 7 is a partial structural schematic diagram of fig. 1.

Reference numerals illustrate:

0. a foundation pit; 1. a slope body; 2. a flat table top; 3. an inclined plane; 4. a vertical surface; 5. a concrete precast pile; 6. steel sheet piles; 7. waist beam; 701. a straight section; 702. an inclined section; 8. a middle prestress pull rod; 9. anchoring the bearing plate; 10. a gusset; 11. a crown beam; 12. prefabricating a pavement; 1201. prefabricating a pavement slab; 1202. a limit protrusion; 1203. a limit groove; 1204. reserving holes; 13. a top pre-stressed tie rod; 14. edge lines of a limited area in the foundation pit; 15. foundation pit guard piles; 16. an anchor head.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the utility model and are not intended to limit the scope of the utility model, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality of" means greater than or equal to two; the terms "upper," "lower," "left," "right," and the like indicate an orientation or positional relationship merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

In addition, the "vertical" used in the present utility model is not strictly vertical but is within an allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used herein have the same meaning as understood by one of ordinary skill in the art to which the present utility model pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

As shown in fig. 1 to 7, the present utility model provides a foundation pit directional ramp, so as to be suitable for situations caused by limited places in a foundation pit. The foundation pit directional ramp comprises a slope body 1 and a ramp reinforcing structure, wherein the slope body 1 is formed by reserving local soil in foundation pit excavation, the foundation pit directional ramp comprises a platform surface 2, an inclined surface 3 and a vertical surface 4, the platform surface 2 is arranged on the ground parallel and level with the periphery of a foundation pit 0, and the platform surface 2 can be used for arranging a vehicle flushing platform or a material stacking platform. The inclined plane 3 is connected with the platform surface 2 and extends to the bottom surface of the foundation pit 0, and the platform surface 2 and the inclined plane 3 jointly form a ramp of the slope body 1; the vertical surfaces 4 are arranged on two sides of the platform surface 2 and the inclined surface 3; the slope body reinforcing structure comprises concrete precast piles 5 and steel sheet piles 6 which are arranged on the joint vertical surface 4, a plurality of concrete precast piles 5 are arranged at intervals, and the steel sheet piles 6 are arranged between the adjacent concrete precast piles 5. The steel sheet pile 6 can adopt steel sheet piles with different cross-sectional shapes such as U-shaped, T-shaped, Z-shaped, L-shaped and the like according to specific conditions, and the processing mode can adopt cold bending and hot rolling.

The foundation pit directional ramp comprises a slope body and a slope body reinforcing structure, wherein the slope body is formed by retaining local soil bodies in foundation pit excavation, the slope body reinforcing structure is provided with concrete precast piles 5 and steel sheet piles 6 by attaching vertical surfaces 4 of the slope body, the concrete precast piles 5 are arranged at intervals, the steel sheet piles are arranged between adjacent concrete precast piles 5, the vertical surfaces 4 of the slope body 1 are protected, the number of steel bars and/or concrete precast piles is reduced compared with the conventional slope body reinforcement, the steel sheet piles 6 are combined with the concrete precast piles 5 to reinforce the vertical surfaces of the slope body, steel is saved, the production cost is reduced, the convenience for secondary utilization is realized by combining the easy dismounting of the steel sheet piles 6, the construction period is effectively shortened, and the construction efficiency is improved. And further, the technical problems of material waste, high construction cost and long construction period due to the fact that a steel structure ramp is built in a limited place for realizing the setting of a narrow ramp are solved.

In an alternative embodiment of the present utility model, the slope reinforcement structure includes a wale 7, and the wale 7 is connected to the precast concrete piles 5 and the steel sheet piles 6, so that the adjacent precast concrete piles 5 and the steel sheet piles 6 are integrated, thereby effectively protecting the vertical surface of the slope 1. In an alternative embodiment of the present utility model, the wale 7 includes a straight section 701 and an inclined section 702, wherein the straight section 701 and the inclined section 702 are connected, the straight section 701 is arranged parallel to the platform surface 2, the inclined section 702 is arranged parallel to the inclined surface 3, and the position of the wale 7 is determined by a plurality of geotechnical mechanical tests with the aim of minimum deformation of the precast concrete pile 5. In other embodiments of the present utility model, the wales 7 may be arranged in multiple ways along the vertical surface 4 of the ramp 1.

In an alternative embodiment of the present utility model, the slope reinforcement structure includes a middle prestressed pull rod 8, two ends of the middle prestressed pull rod 8 are respectively disposed on the wale 7 or the precast concrete pile 5 at the left and right sides of the slope 1, and the position between the middle prestressed pull rod 8 and the wale 7 and/or the precast concrete pile 5 is fixed by an anchor head 16. The middle part prestressing force pull rod 8 is provided with the effectual stability that has improved slope reinforcement structure to enclose the slope 1, can effectually disperse the bearing capacity that slope 1 received to improve the structural strength of slope 1. In a further alternative embodiment of the present utility model, the anchor head 16 is abutted against the wale 7 or the precast concrete pile 5 through the anchor head receiving plate 9, so as to reduce the deformation of the wale 7 and/or the precast concrete pile 5 due to the concentrated stress born by the fixing of the relative position with the middle prestressed pull rod 8.

In a further alternative embodiment of the present utility model, the end portion of the middle prestressed pull rod 8 is disposed at the crossing position of the wale 7 and the precast concrete pile 5, and is abutted by the wale 7, i.e., the middle prestressed pull rod 8 penetrates through the precast concrete pile 5 to be fixedly connected with the wale 7. The middle prestressed pull rod 8 is arranged at the crossing position of the waist beam 7 and the concrete precast pile 5, so that the deformation of the enclosing part in the slope reinforcement structure can be reduced.

It should be noted that, when one side adopts a steel structure and the other side adopts a concrete structure, the connection related to the utility model can be mutually connected by using embedded parts. When the two sides are made of steel, welding or bolting should be used. When the two sides are formed by cast-in-situ reinforced concrete structures, enough steel bar anchoring length should be reserved in construction to ensure reliable connection. The utility model relates to the model and arrangement position of various pile, beam and other stress devices, which aims at controlling the slope structure and the stability of the rock-soil mass, and specific numerical values are determined by rock-soil mechanics calculation.

In an alternative embodiment of the utility model, the slope reinforcement structure comprises a gusset 10, one end of the gusset 10 is arranged on a steel sheet pile 6 below the platform surface 2, and the other end of the gusset 10 is arranged on a foundation pit guard pile 15 of the foundation pit 0, so that the position of the slope 1 at one end of the platform surface 2 in the foundation pit is fixed in a triangle stabilizing manner. The number of the gussets 10 can be multiple so as to improve the position connection relation between the slope body 1 and the foundation pit fender post 15, and preferably, the gussets 10 are arranged in parallel between the precast concrete piles 5 below the platform surface of the slope body 1 and the foundation pit fender post 15 of the foundation pit 0.

In an alternative embodiment of the utility model, the slope reinforcement structure comprises a crown beam 11, wherein the crown beam 11 is arranged on the precast concrete piles 5 and the steel sheet piles 6 close to the inclined plane 3 and/or the platform surface 2 so as to reinforce the junction of the slope 1 and the slope reinforcement structure on the road surface, thereby preventing landslide and further improving the structural strength of the foundation pit directional ramp.

In a further alternative embodiment of the present utility model, the slope reinforcement structure includes a prefabricated pavement 12 that is attached to the platform surface 2 and/or the inclined surface 3, where the prefabricated pavement 12 includes a plurality of prefabricated pavement slabs 1201, and a splice limiting structure is disposed on an abutting surface of the adjacent prefabricated pavement slabs 1201 in a matching manner, so as to improve the integrity of the prefabricated pavement 12. In a further alternative embodiment, the splicing limiting structure comprises a limiting protrusion 1202 and a limiting groove 1203, a reserved hole 1204 is formed in the prefabricated pavement 12, a top pre-stress pull rod 13 is arranged between the crown beams 11 on the left side and the right side of the slope body 1, the top pre-stress pull rod 13 passes through the reserved hole 1204 to be fastened on the crown beams 11, and the relative positions of the prefabricated pavement 1201 and the crown beams 11 of the prefabricated pavement 12 are fixed while the crown beams 11 on the two sides of the slope body 1 are tensioned through the top pre-stress pull rod 13, so that the stability of the integral structure of the foundation pit orientation ramp is improved. Wherein the precast curb plate 1201 is a precast concrete slab. The pavement structure is formed by splicing precast concrete boards (precast pavement boards 1201), and the top prestressed pull rod 13 is placed in the reserved hole 1204 of the pavement structure, so that the pavement structure has the characteristics of quick assembly and quick disassembly, and the aim of saving the construction period can be fulfilled.

It should be noted that, the pavement structure according to the present utility model is preferably formed by directly assembling prefabricated pavement (prefabricated pavement slab 1201), and the holes 1204 should be reserved in the structure to facilitate the installation of the top prestressed tie rod 13, and the upper and lower surfaces should be provided with reinforcing steel bars and are sufficient to bear the load of the vehicle; when it is inconvenient to use prefabricated elements (prefabricated pavement slab 1201), it may also be cast in place.

According to the foundation pit directional ramp provided by the utility model, the middle prestressed pull rod 8, the corner brace 10 and the concrete precast pile 5 are arranged, so that the occupied sites outside the two sides of the ramp of the slope body 1 are avoided, and the construction space is saved to the greatest extent. Compared with the mode of putting slopes on two sides of the slope, the method has the characteristic of occupying little engineering field, and is suitable for narrow limited fields in the foundation pit.

Meanwhile, a slope reinforcing structure consisting of the steel sheet piles 6, the concrete precast piles 5, the top prestressed pull rods 13, the crown beams 11, the waist beams 7 and the gussets 10 is adopted to ensure the stability of the slope, and compared with the mode of arranging piles, anchor rods, internal supports or building steel structure slopes and the like, the foundation pit slope is provided, and has the characteristic of saving engineering materials. The inner supporting materials such as the crown beam 11, the waist beam 7, the angle brace 10 and the like are made of steel materials so as to realize quick assembly and disassembly and material multiplexing. The precast concrete pile 5 is formed by casting reinforced concrete on site, is convenient to construct and can meet the general engineering requirements.

The foundation pit directional ramp provided by the utility model can be constructed by adopting the following construction method, and the construction steps comprise:

s1, a foundation pit enclosure is provided, and a foundation pit enclosure pile 15 is arranged on the pit wall of the attached foundation pit 0;

s2, excavating soil, and reserving foundation pit soil according to a preset gradient to form a slope body 1; the soil body of the ramp is reserved according to a certain gradient in the excavation process, for example, in an alternative embodiment of the utility model, the soil body of the ramp can be reserved according to a gradient of 1:8 in the excavation process, and the excavation process can be specifically adjusted according to actual requirements of a construction site.

S3, setting a slope reinforcement structure, setting a concrete precast pile 5 and a steel sheet pile 6 on the vertical surface of the slope 1, wherein the side wall where the vertical surface 4 of the slope 1 is located is subjected to the driving of the steel sheet pile 6 and soil excavation synchronously, so that the slope 1 is always positioned in the enclosure of the steel sheet pile, and when the soil is excavated to the corresponding elevation, the concrete precast pile 5 is driven, so that the reinforcement of the structure is carried out, and the rigidity of the soil retaining structures at two sides of the slope is improved.

In an alternative embodiment of the present utility model, the step S3 of the construction method provides a slope reinforcement structure, which further includes providing wales 7 on the precast concrete piles 5 and the steel sheet piles 6, and connecting the wales 7 respectively located at the left and right sides of the slope with middle prestressed tie rods 8, and further connecting the middle prestressed tie rods 8 with the wales 7 with anchor heads 16, preferably, providing anchor bearing plates 9 between the anchor heads 16 and the wales 7 to prevent stress concentration at the abutting positions. When the foundation pit 0 is deeper and the slope of the slope body 1 has larger gradient, one or more waist beams 7 can be arranged. Each waist beam 7 is oppositely pulled by a middle prestress pull rod 8, and two opposite precast concrete piles 5 are supported to reduce deformation. And the precast concrete piles 5 and the steel sheet piles 6 are provided with crown beams 11 adjacent to the platform surface 2 and/or the inclined surface 3 of the slope body 1, and the crown beams 11 are connected through top prestressed pull rods 13.

In a further alternative embodiment of the present utility model, the steps of the construction method further include, after S3:

s4, paving the pavement, and splicing a plurality of prefabricated pavement slabs 1201 to form a prefabricated pavement 12, wherein the prefabricated pavement 12 and the crown beams 11 are fixed in position by penetrating a top prestressed pull rod 13 for connecting the crown beams 11 of the left and right amounts of the ramp into a reserved hole 1204 of the prefabricated pavement 12. In a further embodiment of the utility model, the foundation pit comprises a gusset 10 arranged between the slope 1 and the foundation pit guard piles 15 of the foundation pit 0, so as to further improve the stability of the foundation pit directional ramp structure.

After the excavation work of the foundation pit 0 is completed, the pavement structure (the prefabricated pavement slab 1201), the steel sheet piles 6 and other structures are removed from the end of the slope body 1, and the slope soil is excavated up to the position of the top of the slope. The manufacturing of the ramp pavement can be divided into the following steps: measuring position and elevation, finding a slope, leveling, constructing a reinforcing mesh, and paving the prefabricated pavement 12.

The slope reinforcement structure for supporting is composed of the steel sheet piles 6, the concrete precast piles 5, the middle prestressed pull rods 8, the top prestressed pull rods 13, the crown beams 11, the waist beams 7 and the corner supports 10, so that the stability of the slope is ensured, and the arrangement of a narrow slope in a foundation pit is better realized on the basis of ensuring the structural safety of the slope. Compared with the traditional slope structure in the form of a slope or a soil nailing wall, the utility model has smaller occupied space and is more suitable for a narrow place in a foundation pit. Compared with the modes of 'pile arrangement, anchor rod and support', the utility model has the advantages of less material consumption, practicability for the ramp arrangement of a narrow place in a foundation pit, safety, reliability, resource conservation and convenience in construction.

Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. A pit orientation ramp, wherein the pit orientation ramp comprises:

the slope body (1), the slope body (1) is formed by reserving local soil in foundation pit excavation, and comprises a platform surface (2), an inclined surface (3) and a vertical surface (4), wherein the platform surface (2) is arranged in parallel with the ground of the periphery of the foundation pit (0); the inclined surface (3) is connected with the platform surface (2) and extends to the bottom surface of the foundation pit (0); the vertical surfaces (4) are arranged on two sides of the platform surface (2) and the inclined surface (3);

the slope body reinforcing structure comprises concrete precast piles (5) and steel sheet piles (6) which are attached to the vertical surfaces (4), wherein a plurality of concrete precast piles (5) are arranged at intervals, and the steel sheet piles (6) are arranged between the adjacent concrete precast piles (5).

2. Foundation pit orientation ramp according to claim 1, characterized in that the slope reinforcement structure comprises a wale (7), the wale (7) being arranged in connection to the precast concrete piles (5) and the steel sheet piles (6).

3. Foundation pit orientation ramp according to claim 2, characterized in that the wale (7) comprises a straight section (701) and an inclined section (702).

4. The foundation pit directional ramp according to claim 2, characterized in that the slope reinforcement structure comprises a middle pre-stressing tension rod (8), wherein two ends of the middle pre-stressing tension rod (8) are respectively arranged on waist beams (7) at the left side and the right side of the slope (1).

5. Foundation pit orientation ramp according to claim 4, characterized in that an anchor bearing plate (9) is provided at the connection location of the middle pre-stressing tension rod (8) and the wale (7); and/or the number of the groups of groups,

the middle prestressed pull rod (8) is arranged at the crossing position of the waist beam (7) and the concrete precast pile (5).

6. The foundation pit orientation ramp according to claim 1, characterized in that the slope reinforcement structure comprises a gusset (10), one end of the gusset (10) being arranged on the concrete precast pile (5) below the platform surface (2), the other end of the gusset (10) being arranged on a foundation pit guard pile (15) of the foundation pit (0).

7. Foundation pit orientation ramp according to claim 1, characterized in that the slope reinforcement structure comprises a crown beam (11), which crown beam (11) is arranged on the precast concrete piles (5) and the sheet steel piles (6) adjacent to the inclined surface (3) and/or the platform surface (2).

8. The foundation pit orientation ramp according to claim 7, characterized in that the slope reinforcement structure comprises prefabricated pavement (12) attached to the platform surface (2) and/or the inclined surface (3), the prefabricated pavement (12) comprises a plurality of prefabricated pavement boards (1201), and splicing limiting structures are arranged on abutting surfaces of adjacent prefabricated pavement boards (1201) in a matching mode.

9. The foundation pit orientation ramp of claim 8, wherein the splice limiting structure comprises a limiting protrusion (1202) or a limiting groove (1203).

10. The foundation pit directional ramp according to claim 8, characterized in that a reserved hole (1204) is formed in the prefabricated pavement slab (1201), a top pre-stress pull rod (13) is arranged between the crown beams (11) on the left side and the right side of the slope body (1), and the top pre-stress pull rod (13) passes through the reserved hole (1204) to be fastened on the crown beams (11).

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