Construction structure and method for preventing roots of plants on top of underground garage from accumulating water

Abstract

The invention discloses a construction structure and method for preventing roots of plants on the top of an underground garage from accumulating water, and relates to the field of underground garage top plate drainage construction. Comprising a slope-making waterproof composite layer, a plain soil layer and a gravel layer, a drainage part is installed in the gravel layer, and geotechnical cloth is laid on the drainage part. The planting soil is located at the top of the gravel layer; the drainage part comprises a grid frame, and the grid frame is installed on a plain soil layer. A plurality of grid cavities are formed in the grid frame, water filtering pipes are installed in the grid cavities, geotechnical cloth is installed above and below the water filtering pipes, and gravel layers are laid on the sides, back to the water filtering pipes, of the geotechnical cloth; a water accumulation area is arranged in the middle of the grid frame, and a submersible pump and a drainage pipeline are installed in the water accumulation area. The drainage pipeline upwards extends out of the planting soil layer; and a plurality of groups of grid cavities are continuously arranged on the peripheral side of the water accumulation area. The technical problems that regional or seasonal precipitation is large and rapid, water accumulation at the bottoms of plants is easily caused, and then root systems rot and die are solved.

Description

Technical Field

[0001] The invention belongs to the field of underground garage roof drainage construction, and in particular relates to a construction structure and a method for preventing water accumulation at the roots of plants planted on the top of the underground garage. Background Art

[0002] At present, in order to meet people's living needs, there are more and more large-scale underground garage structures in the construction field, especially in large residential areas, large office spaces and other projects. The underground space is basically all used as garages and equipment rooms, and it is necessary to construct fire trucks, landscape greening, pedestrian walkways, etc. on the roof of the underground garage. At the same time, it is necessary to consider the planting of seedlings in the landscape greening. For example, it is necessary to pay more attention to the planting of large trees. In the past, in the planting of trees, especially in the planting on the roof of the underground garage, the bottom of the tree planting hole was impermeable. In summer, the precipitation is large and rapid, which can easily cause water accumulation in the tree planting hole, and then cause the tree root system to rot and die.

[0003] According to the requirements, if the tree planting exceeds a certain mortality rate, the dead seedlings must be replaced free of charge, which will cause huge additional costs. In order to change this situation, increase the survival rate of tree planting and reduce the occurrence of additional costs.

[0004] Therefore, in order to solve the above problems, a construction structure and method for preventing water accumulation at the roots of plants planted on the top of an underground garage are proposed. Summary of the invention

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage, comprising an underground garage structure, a main building structure and plants planted, wherein the main building structure is located on the top of the underground garage structure, and the outer side is filled with a planting soil layer, and a root soil ball is arranged at the bottom of the plants;

[0007] It includes a slope-adjusting waterproof composite layer, a plain soil layer and a gravel layer, and the slope-adjusting waterproof composite layer, the plain soil layer and the gravel layer are arranged from bottom to top;

[0008] A drainage piece is installed in the gravel layer, and a geotextile is laid on the drainage piece; the planting soil is located on the top of the gravel layer;

[0009] The drainage member comprises a grid frame, which is installed on the plain soil layer; the grid frame is provided with a plurality of grid cavities, a water filter pipe is installed in the grid cavity, geotextiles are installed above and below the water filter pipe, and a gravel layer is laid on the side of the geotextile facing away from the water filter pipe;

[0010] A water accumulation area is provided in the middle of the grid frame, and a submersible pump and a drainage pipe are installed in the water accumulation area; the drainage pipe extends upward out of the planting soil layer;

[0011] The grid cavities are provided in multiple groups and are continuously arranged around the water accumulation area.

[0012] In a further technical solution, the bottom of the grid frame is sealed, the water filter pipe is in a "T" shape, and a water outlet is provided on the top, and the water outlet extends out of the planting soil layer; a water delivery pipe is installed on the top of the water outlet, and the water delivery pipe connects multiple water outlets and is provided with an extension pipe portion connected to the water accumulation area;

[0013] An on-off valve is provided on the extension pipe portion.

[0014] In a further technical solution, an oblique through pipe is provided at the bottom of the grid cavity, and the bottom height of the water accumulation area is lower than the bottom height of the grid cavity; the oblique through pipe connects the grid cavity and the water accumulation area;

[0015] A supporting member is installed on the top of the grid cavity, and the supporting member is suitable for supporting plants.

[0016] In a further technical solution, the support member comprises a truncated cone shell, the truncated cone shell is inverted and a support rod is installed at the bottom, and the bottom of the support rod is fixedly connected to the top of the grid frame;

[0017] A hinged rod is installed in the truncated cone shell, and a hook is arranged at one end of the hinged rod. The hook is suitable for being clamped on the root soil ball of the plant.

[0018] In a further technical solution, an inclined plate is fixedly installed in the truncated cone shell, the inclined plate and the truncated cone shell are fixed by installing ribs, and a slide groove is opened on the surface, and a slide plate is installed in the slide groove;

[0019] The slide plate is provided with a fixing part, which is fixedly connected to the slide plate and is located at the top of the slide plate; the upper end of the fixing part is suitable for supporting the root ball of the plant; the fixing part is connected to the rotation position of the hinge rod;

[0020] The inclined plates are arranged in pairs, and auxiliary plates are installed at intervals. There are four groups of auxiliary plates and inclined plates, and they are circumferentially distributed in the truncated cone shell.

[0021] A guide groove is provided on the truncated cone shell, and a pull rod is installed on the back of the slide plate on the inclined panel. The pull rod is suitable for extending out of the guide groove and is installed with a lower support rod; the bottom of the lower support rod is rotatably connected to two groups of rotating rods, and a clamping piece is installed at one end of the two groups of rotating rods away from the lower support rod, and the clamping piece is suitable for connecting to the edge line of the geotextile.

[0022] In a further technical solution, the clamping member includes a rotating plate and a position cylinder, and the rotating plate is rotatably connected to the rotating rod; two groups of position cylinders are installed at the bottom of a group of lower support rods, and the ends of the two groups of position cylinders are fixedly connected to the inner wall of the grid cavity; a movable cavity is opened in the position cylinder, and a bottom opening is installed at the bottom of the movable cavity, and a movable plate is installed in the bottom opening; the rotating plate is detachably connected to the movable plate; a clamping plate is provided at the bottom of the movable plate, and bolts are installed in the inner threads of the clamping plate and penetrate the geotextile.

[0023] In a further technical solution, a V-shaped groove is formed on the auxiliary plate, and an arc portion is provided on the V-shaped groove.

[0024] In a further technical solution, bending edges are installed on both sides of the grid cavity, and the bending edges are parallel to the auxiliary plate;

[0025] A bending plate is fixedly installed in the bending edge, and multiple groups of threaded rods are installed in the bending edge, and the threaded rods are threadedly connected with the bending edge; and a mounting seat is installed on the top, and an abutment wheel is installed in the mounting seat;

[0026] A position groove is provided in the bending plate, the edge line of the geotextile is suitable for passing through the position groove, and the abutment wheel is suitable for abutting against the geotextile.

[0027] A construction method for a construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage comprises the following steps:

[0028] Step 1, after the construction of the underground garage structure and the main building structure is completed, a slope-finding waterproof composite layer is constructed on the top plate of the underground garage structure, and then earth backfilling is performed;

[0029] Step 2: Before planting, dig a planting hole at the planting location, and level the bottom soil layer after digging;

[0030] Step 3: weld the formed grid frame according to the design drawing; hoist the grid frame and place it in the planting hole;

[0031] Install a mesh surface at the bottom of the grid cavity in advance, lay a gravel layer on the mesh surface, and then lay a water filter pipe, open a water filter hole on the water filter pipe, and lay geotextiles on the top and bottom;

[0032] The horizontal sides of the geotextile are connected to the clamping plate, and the longitudinal sides are connected to the inner side of the bending plate;

[0033] Step 4: Install the plant on the top of the truncated cone shell on the grid cavity and hang it in the root soil ball with a hook; the rotating rod is pushed open by the downward pressure of the plant to support the horizontal sides of the geotextile;

[0034] Step 5: Test watering and install submersible pumps and drainage pipes in the waterlogged area; test the installation effect and make timely adjustments;

[0035] Step 6: After the installation requirements and effects are met, backfill the planting soil layer to keep the plants from shifting.

[0036] Beneficial Effects

[0037] The present invention collects rainwater in a small space by adsorption or sedimentation, and then discharges it through a submersible pump and a drainage pipe. The construction method of the present invention for preventing water accumulation at the roots of large plants planted on the roof of an underground garage can effectively solve the problem of water accumulation at the roots of large plants; through regionalization, precipitation can be quickly collected, and compared with conventional gravel layers and geotextile clamped filter pipes, the four sides are closed with baffles, so it has a faster adsorption and drainage effect.

[0038] The present invention allows the height of the plant to be extended from the grid frame by arranging the supporting member, which ensures the downward growth of the plant and avoids premature damage to the water filter pipe. On the other hand, the top of the plant on the grid frame can be installed, which is convenient for actual construction.

[0039] The present invention avoids the wrinkles of the geotextile by installing a downward sliding plate on the supporting member to drive the pull rod and the lower support rod to drive the clamping plate downward to drive the fixed geotextile to extend, thereby facilitating the actual water filtration effect. In addition, by placing the plants on the auxiliary plate and the inclined plate, the supporting effect can be achieved, and the downward pressing effect can also be achieved to achieve a stable holding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0041] Figure 1 This is a schematic structural diagram of a construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to Embodiment 1 of the present invention;

[0042] Figure 2 This is a structural diagram of a grid frame according to Embodiment 1 of the present invention;

[0043] Figure 3 It is a cross-sectional view of the middle part of the grid frame of Example 1 of the present invention;

[0044] Figure 4 This is a schematic structural diagram of a construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to Embodiment 2 of the present invention;

[0045] Figure 5 is a bottom schematic diagram of the grid frame of the present invention;

[0046] Figure 6 This is a structural diagram of a grid frame according to Embodiment 2 of the present invention;

[0047] Figure 7 is a cross-sectional view of the middle part of the grid frame of Example 3 of the present invention;

[0048] Figure 8 for Figure 7 A magnified view of part A;

[0049] Fig. 9 A top view of a support member of the present invention;

[0050] Fig.10 for Fig. 9 A magnified view of part B;

[0051] Fig.11 is a side cross-sectional view of the bending edge line of the present invention;

[0052] Fig.12 It is a structural diagram of the bent plate of the present invention.

[0053] In the figure: 1, underground garage structure; 2, main building structure; 3, plant; 31, root ball; 4, drainage; 41, grid frame; 42, filter pipe; 43, water accumulation area; 44, submersible pump; 45, drainage pipe; 421, outlet pipe; 422, water pipe; 423, switch valve; 46, oblique pipe;

[0054] 47, bending edge line; 48, bending plate; 49, threaded rod column; 410, abutment wheel; 411, position groove;

[0055] 5. Sand and gravel layer; 6. Plain soil layer; 7. Planting soil layer;

[0056] 8. Support member; 81. Cone shell; 82. Support rod; 83. Articulated rod; 84. Hook; 85. Inclined plate; 86. Slide plate; 87. Auxiliary plate; 88. Pull rod; 89. Lower support rod; 810. Rotating plate; 811. Rotating rod; 812. Position cylinder; 813. Moving cavity; 814. Moving plate; 815. Clamping plate; 816. V-shaped groove; 817. Arc portion;

[0057] 9. Geotextile; 10. Slope adjustment and waterproof composite layer. DETAILED DESCRIPTION

[0058] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0059] The application principle of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0060] Example 1

[0061] See also Figure 1-3 As shown, an embodiment of the present invention provides a construction structure for preventing water accumulation at the roots of plants on the top of an underground garage, comprising an underground garage structure 1, a main building structure 2 and plants 3, wherein the main building structure 2 is located at the top of the underground garage structure 1, and the outer side is filled with a planting soil layer 7, and a root soil ball 31 is arranged at the bottom of the plants 3;

[0062] It includes a slope-finding waterproof composite layer 10, a plain soil layer 6 and a gravel layer 5, wherein the slope-finding waterproof composite layer 10, the plain soil layer 6 and the gravel layer 5 are arranged from bottom to top;

[0063] A drainage member 4 is installed in the gravel layer 5, and a geotextile 9 is laid on the drainage member 4; the planting soil shown is located on the top of the gravel layer 5;

[0064] The drainage member 4 includes a grid frame 41, which is installed on the plain soil layer 6; a plurality of grid cavities are arranged on the grid frame 41, and a water filter pipe 42 is installed in the grid cavity, and a geotextile 9 is installed above and below the water filter pipe 42, and a gravel layer 5 is laid on the side of the geotextile 9 facing away from the water filter pipe 42;

[0065] A water accumulation area 43 is provided in the middle of the grid frame 41, and a submersible pump 44 and a drainage pipe 45 are installed in the water accumulation area 43; the drainage pipe 45 extends upward out of the planting soil layer 7;

[0066] The grid cavities are provided in multiple groups and are continuously arranged around the water accumulation area 43 .

[0067] The bottom of the grid frame 41 is sealed, the water filter pipe 42 is in a "T" shape, and a water outlet 421 is provided on the top, and the water outlet 421 extends out of the planting soil layer 7; a water delivery pipe 422 is installed on the top of the water outlet 421, and the water delivery pipe 422 connects multiple water outlets 421, and is provided with an extension pipe portion connected to the water accumulation area 43;

[0068] A switch valve 423 is provided on the extension pipe. In this embodiment, rainwater is first collected in a small space by adsorption or sedimentation, and then discharged through a submersible pump and a drainage pipe. The construction method of the present invention for preventing water accumulation at the roots of large trees planted on the roof of an underground garage can effectively solve the characteristic of water accumulation at the roots of large trees; through regionalization, precipitation can be quickly collected, and compared with conventional gravel layers and geotextile clamped filter pipes, the four sides are closed with baffles, so it has a faster adsorption and drainage effect.

[0069] Example 2

[0070] like Figure 4-6 As shown, another embodiment of the present invention is provided. Based on Example 1, in order to realize the downward growth of plants and facilitate the construction and positioning installation, an inclined through pipe 46 is provided at the bottom of the grid cavity. The bottom height of the water accumulation area 43 is lower than the bottom height of the grid cavity. The inclined through pipe 46 connects the grid cavity and the water accumulation area 43.

[0071] A support member 8 is installed on the top of the grid cavity, and the support member 8 is suitable for supporting the plant 3 .

[0072] In a further technical solution, the support member 8 includes a truncated cone shell 81, which is inverted and has a support rod 82 installed at the bottom, and the bottom of the support rod 82 is fixedly connected to the top of the grid frame 41;

[0073] A hinge rod 83 is installed in the truncated cone shell 81, and a hook 84 is provided at one end of the hinge rod 83. The hook 84 is suitable for being clamped on the root soil ball 31 of the plant 3. In this embodiment, the height of the plant is extended from the grid frame by providing a supporting member, which ensures the downward growth of the plant and avoids premature damage to the water filter pipe. On the other hand, the top of the plant on the grid frame can be installed, which is convenient for actual construction.

[0074] Example 3

[0075] like Figure 7-12 As shown, another implementation scheme of the present invention is based on Example 2, in order to further achieve the supporting effect of the geotextile when the plants are installed, to avoid the geotextile from generating wrinkles when burying the planting soil, resulting in insufficient water filtration effect and clogging the grid frame.

[0076] An inclined plate 85 is fixedly installed in the truncated cone shell 81. The inclined plate 85 is fixed to the truncated cone shell 81 by installing ribs, and a slide groove is opened on the surface, and a slide plate 86 is installed in the slide groove.

[0077] The slide plate 86 is provided with a fixing portion, which is fixedly connected to the slide plate 86 and is located at the top of the slide plate 86; the upper end of the fixing portion is suitable for supporting the root ball 31 of the plant 3; the fixing portion is connected to the rotation position of the hinge rod 83;

[0078] The inclined plates 85 are arranged in pairs, and auxiliary plates 87 are installed at intervals. There are four sets of auxiliary plates 87 and inclined plates 85, and they are circumferentially distributed in the truncated cone shell 81.

[0079] A guide groove is provided on the truncated cone shell 81, and a pull rod 88 is installed on the back of the slide plate 86 on the inclined panel 85. The pull rod 88 is suitable for extending out of the guide groove and is installed with a lower support rod 89; the bottom of the lower support rod 89 is rotatably connected with two groups of rotating rods 811, and the ends of the two groups of rotating rods 811 away from the lower support rod 89 are installed with clamping parts, which are suitable for connecting to the edge line of the geotextile 9.

[0080] like Figure 8 As shown, the clamping member includes a rotating plate 810 and a position cylinder 812, and the rotating plate 810 is rotatably connected to the rotating rod 811; two groups of position cylinders 812 are installed at the bottom of a group of lower support rods 89, and the ends of the two groups of position cylinders 812 are fixedly connected to the inner wall of the grid cavity; a movable cavity 813 is opened in the position cylinder 812, and a bottom opening is installed at the bottom of the movable cavity 813, and a movable plate 814 is installed in the bottom opening; the rotating plate 810 is detachably connected to the movable plate 814; a clamping plate 815 is provided at the bottom of the movable plate 814, and a bolt is installed in the inner thread of the clamping plate 815 and penetrates the geotextile 9.

[0081] like Fig. 9 As shown, a V-shaped groove 816 is formed on the auxiliary plate 87 , and an arc portion 817 is provided on the V-shaped groove 816 .

[0082] like Figure 7 and Fig.11 As shown, bending edges 47 are installed on both sides of the grid cavity, and the bending edges 47 are parallel to the auxiliary plate 87; a bending plate 48 is fixedly installed in the bending edges 47, and multiple groups of threaded rods 49 are installed in the bending edges 47, and the threaded rods 49 are threadedly connected with the bending edges 47; and a mounting seat is installed on the top, and an abutment wheel 410 is installed in the mounting seat; a position groove 411 is opened in the bending plate 48, and the edge of the geotextile 9 is suitable for passing through the position groove 411, and the abutment wheel 410 is suitable for abutting against the geotextile 9. This embodiment avoids the wrinkles of the geotextile by installing a downward sliding slide on the supporting member, driving the pull rod and the lower support rod, driving the clamping plate downward, and driving the fixed geotextile to extend, so as to facilitate the actual water filtration effect. And by placing plants on the auxiliary plate and the inclined plate, the supporting effect can be achieved, and the downward pressing effect can also be achieved to achieve a stable holding effect.

[0083] A construction method for a construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage comprises the following steps:

[0084] Step 1: After the construction of the underground garage structure 1 and the main building structure 2 is completed, a slope-finding waterproof composite layer 10 is constructed on the top plate of the underground garage structure 1, and then earth backfilling is performed;

[0085] Step 2: before planting the plants 3, dig a planting hole at the planting location, and after the digging is completed, level the bottom soil layer 6;

[0086] Step 3, according to the design drawings, weld the formed grid frame 41; hang the grid frame 41 and place it in the planting hole;

[0087] A mesh surface is installed at the bottom of the grid cavity in advance, a gravel layer is laid on the mesh surface, and then a water filter pipe 42 is laid, a water filter hole is opened on the water filter pipe 42, and a geotextile 9 is laid on the upper and lower parts;

[0088] The horizontal sides of the geotextile 9 are connected to the clamping plate 815, and the longitudinal sides are connected to the inside of the bending plate 48;

[0089] Step 4, install the plant 3 on the top of the truncated cone shell 81 on the grid cavity, and hang it in the root soil ball 31 with a hook 84; the rotating rod 811 is stretched open by the downward pressure of the plant 3, and supports the horizontal sides of the geotextile 9 to both sides;

[0090] Step 5, test watering, and install a submersible pump 44 and a drainage pipe 45 in the water accumulation area 43; test the installation effect and make timely adjustments;

[0091] Step 6, after meeting the installation requirements and effects, backfill the planting soil layer 7 to keep the plant 3 from shifting.

[0092] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0093] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage, comprising an underground garage structure (1), a main building structure (2) and plants planted (3), wherein the main building structure (2) is located on the top of the underground garage structure (1) and is filled with a planting soil layer (7) on the outside, and a root soil ball (31) is arranged at the bottom of the plants planted (3); Features: It also includes a slope-adjusting waterproof composite layer (10), a plain soil layer (6) and a gravel layer (5), wherein the slope-adjusting waterproof composite layer (10), the plain soil layer (6) and the gravel layer (5) are arranged from bottom to top; A drainage member (4) is installed in the gravel layer (5), and a geotextile (9) is laid on the drainage member (4); the planting soil is located on the top of the gravel layer (5); The drainage member (4) comprises a grid frame (41), the grid frame (41) being installed on a plain soil layer (6); a plurality of grid cavities are arranged on the grid frame (41), a water filter pipe (42) is installed in the grid cavity, a geotextile (9) is installed above and below the water filter pipe (42), and a gravel layer (5) is laid on the side of the geotextile (9) facing away from the water filter pipe (42); A water accumulation area (43) is provided in the middle of the grid frame (41), and a submersible pump (44) and a drainage pipe (45) are installed in the water accumulation area (43); the drainage pipe (45) extends upward out of the planting soil layer (7); The grid cavities are provided in multiple groups and are continuously arranged around the water accumulation area (43).

2. A construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 1, characterized in that: The bottom of the grid frame (41) is sealed, the water filter pipe (42) is in a "T" shape, and a water outlet (421) is provided at the top, and the water outlet (421) extends out of the planting soil layer (7); a water delivery pipe (422) is installed on the top of the water outlet (421), and the water delivery pipe (422) is connected to multiple water outlets (421) and is provided with an extension pipe portion connected to the water accumulation area (43); An on-off valve (423) is provided on the extension pipe portion.

3. The construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 1 is characterized in that: An inclined through pipe (46) is provided at the bottom of the grid cavity, and the bottom height of the water accumulation area (43) is lower than the bottom height of the grid cavity; the inclined through pipe (46) connects the grid cavity and the water accumulation area (43); A supporting member (8) is installed on the top of the grid cavity, and the supporting member (8) is suitable for supporting the plant (3).

4. The construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 2 is characterized in that: The support member (8) comprises a truncated cone shell (81), the truncated cone shell (81) is inverted and a support rod (82) is installed at the bottom, and the bottom of the support rod (82) is fixedly connected to the top of the grid frame (41); A hinged rod (83) is installed in the truncated cone shell (81), and a hook (84) is arranged at one end of the hinged rod (83). The hook (84) is suitable for being clamped on the root soil ball (31) of the plant (3).

5. The construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 4, characterized in that: An inclined plate (85) is fixedly installed in the truncated cone shell (81), the inclined plate (85) and the truncated cone shell (81) are fixed by installing ribs, and a slide groove is opened on the surface, and a slide plate (86) is installed in the slide groove; The slide plate (86) is provided with a fixing portion, the fixing portion is fixedly connected to the slide plate (86) and is located at the top of the slide plate (86); the upper end of the fixing portion is suitable for supporting the root ball (31) of the plant (3); the fixing portion is connected to the rotation position of the hinge rod (83); The inclined plates (85) are arranged in pairs, and auxiliary plates (87) are installed at intervals. A total of four groups of the auxiliary plates (87) and the inclined plates (85) are arranged and circumferentially distributed in the truncated cone shell (81); The truncated cone shell (81) is provided with a guide groove, and a pull rod (88) is installed on the back of the slide plate (86) on the inclined panel (85), and the pull rod (88) is suitable for extending out of the guide groove and is installed with a lower support rod (89); the bottom of the lower support rod (89) is rotatably connected to two groups of rotating rods (811), and the ends of the two groups of rotating rods (811) away from the lower support rod (89) are installed with clamping parts, and the clamping parts are suitable for connecting to the edge line of the geotextile (9).

6. The construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 5, characterized in that: The clamping member comprises a rotating plate (810) and a position tube (812), wherein the rotating plate (810) is rotatably connected to a rotating rod (811); two groups of position tubes (812) are installed at the bottom of a group of lower support rods (89), and the ends of the two groups of position tubes (812) are fixedly connected to the inner wall of the grid cavity; a moving cavity (813) is provided in the position tube (812), and a bottom opening is provided at the bottom of the moving cavity (813), and a moving plate (814) is installed in the bottom opening; the rotating plate (810) and the moving plate (814) are detachably connected; a clamping plate (815) is provided at the bottom of the moving plate (814), and a bolt is installed in the inner thread of the clamping plate (815) and penetrates the geotextile (9).

7. A construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 6, characterized in that: The auxiliary plate (87) is provided with a V-shaped groove (816), and the V-shaped groove (816) is provided with an arc portion (817).

8. The construction structure for preventing water accumulation at the roots of plants planted on the top of an underground garage according to claim 6, characterized in that: Bending edges (47) are installed on both sides of the grid cavity, and the bending edges (47) and the auxiliary plate (87) are parallel to each other; A bending plate (48) is fixedly installed in the bending edge line (47), and a plurality of sets of threaded rods (49) are installed in the bending edge line (47), and the threaded rods (49) are threadedly connected to the bending edge line (47); and a mounting seat is installed on the top, and an abutment wheel (410) is installed in the mounting seat; A position groove (411) is provided in the bending plate (48), the edge line of the geotextile (9) is suitable for passing through the position groove (411), and the abutment wheel (410) is suitable for abutting against the geotextile (9).

9. A construction method for preventing water accumulation at the roots of plants planted on the top of an underground garage as claimed in claim 8, characterized in that: The following steps are involved: Step 1, after the construction of the underground garage structure (1) and the main building structure (2) is completed, a slope-finding waterproof composite layer (10) is constructed on the top plate of the underground garage structure (1), and then earth backfilling is performed; Step 2: Before planting (3), dig a planting hole at the planting location, and after the digging is completed, level the bottom soil layer (6); Step 3, welding the formed grid frame (41) according to the design drawing; hanging the grid frame (41) and placing it in the planting hole; A mesh surface is pre-installed at the bottom of the grid cavity, a gravel layer is laid on the mesh surface, and then a water filter pipe (42) is laid, a water filter hole is opened on the water filter pipe (42), and a geotextile (9) is laid on the top and bottom; The horizontal sides of the geotextile (9) are connected to the clamping plate (815), and the longitudinal sides are connected to the inside of the bending plate (48); Step 4, install the plant (3) on the top of the truncated cone shell (81) on the grid cavity, and hang it in the root soil ball (31) with a hook (84); the rotating rod (811) is stretched open by the downward pressure of the plant (3), and supports the horizontal sides of the geotextile (9) to both sides; Step 5, test watering, and installing a submersible pump (44) and a drainage pipe (45) in the water accumulation area (43); Test the installation effect and make timely adjustments; Step 6, after the installation requirements and effects are met, backfill the planting soil layer (7) to keep the plant (3) from shifting.

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