Underground waterproof structure for sandy soft soil

Abstract

According to the technical scheme, the sandy soft soil underground waterproof structure is characterized in that the sandy soft soil underground waterproof structure comprises a permeable layer, a reinforcing layer, a sandy soft soil layer, a drainage assembly, a water storage layer and a waterproof layer, the permeable layer is installed below an upstream face and used for absorbing water of the upstream face, and the reinforcing layer is installed below the permeable layer and used for supporting the permeable layer; the sandy soft soil layer is installed below the reinforcing layer, the drainage assembly is installed in the sandy soft soil layer and used for guiding the flow direction of water in the sandy soft soil layer, the water storage layer is installed below the sandy soft soil layer and used for collecting water in the drainage assembly, and the waterproof layer is installed below the water storage layer. Water smoothly flows into the ground through the permeable layer and is guided to the water storage layer through the drainage assembly, and water resources are collected for cyclic utilization while accumulated water is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the waterproof field of underground engineering more specifically, it relates to a sandy soft soil underground waterproof structure. BACKGROUND

[0002] In the waterproof field of underground engineering, the traditional waterproof structure usually adopts the way of combining rigid material and flexible material, realizes waterproof function through the physical barrier of multilayer material, however, the common problem of prior art is that waterproof design often focuses on waterproof, and the drainage function is not paid enough attention, leading to that the accumulated water around the underground structure is difficult to effectively drain, especially in sandy soft soil foundation, the accumulated water is easy to penetrate into the structure or accumulate for a long time, weakens the soil strength, causes problems such as foundation settlement and structure cracking, seriously affects the stability and service life of underground space.

[0003] Combining the above reasons, how to solve the insufficient drainage capacity of the traditional waterproof structure and the accumulated water is just the problem considered by the application. INVENTION CONTENTS

[0004] To achieve the above object, the following technical scheme is provided: a sandy soft soil underground waterproof structure, comprising a water-permeable layer, a reinforcing layer, a sandy soft soil layer, a drainage assembly, a water storage layer and a waterproof layer;

[0005] The water-permeable layer is installed below the water-facing surface and is used to absorb water of the water-facing surface, the reinforcing layer is installed below the water-permeable layer and is used to support the water-permeable layer, the sandy soft soil layer is installed below the reinforcing layer, the drainage assembly is installed inside the sandy soft soil layer and is used to guide the flow direction of water inside the sandy soft soil layer, the water storage layer is installed below the sandy soft soil layer and is used to collect water inside the drainage assembly, and the waterproof layer is installed below the water storage layer.

[0006] When it rains, the water-permeable layer absorbs the ground water and guides the water flow to the sandy soft soil layer, the sandy soft soil layer absorbs part of the water, the rest of the water flows into the drainage assembly, the drainage assembly guides the water flow to the water storage layer, when the vehicle passes, the water-permeable layer is extruded and vibrated, at the same time, the water-permeable layer conducts the extrusion force and vibration to the sandy soft soil layer, the sandy soft soil layer is vibrated and extruded to discharge the absorbed water and guide the water flow to the drainage layer.

[0007] Further optimization of the utility model discloses a water-permeable layer is porous permeable structure.

[0008] Further optimization of the utility model discloses that the reinforcing layer includes a support column.

[0009] A plurality of support columns are connected to each other to form a grid structure.

[0010] Further optimization of the utility model discloses that the drainage assembly includes a flow guide plate, the flow guide plate is provided with a flow guide groove and a through hole.

[0011] The through hole is arranged at the center position of the guide plate, the guide plate is arranged at the side far from the water surface of the sandy soft soil layer, and the height of the four sides of the guide plate is greater than the height of the through hole, the guide groove is provided with a plurality of guide grooves, the plurality of guide grooves are connected to form a grid shape and are interconnected, and the guide groove is used for collecting water discharged from the sandy soft soil layer.

[0012] The further optimization of the utility model discloses a drainage assembly still includes a water collecting pipe,

[0013] The water collecting pipe is connected with the through hole, is used for collecting the water of the guide groove, and transports the water to the water storage layer.

[0014] The further optimization of the utility model discloses a water storage layer contains a water collecting groove and a drain pipe,

[0015] One end of the drain pipe is connected with the water collecting pipe, and the other end is connected with the water collecting groove, and the height of the connecting end of the drain pipe and the water collecting pipe is greater than the height of the connecting end of the drain pipe and the water collecting groove.

[0016] The further optimization of the utility model discloses a water storage layer still includes a collecting groove,

[0017] The water collecting groove is connected with the collecting groove, and the height of the bottom of the water collecting groove is higher than the height of the bottom of the collecting groove.

[0018] The further optimization of the utility model discloses a waterproof layer includes rubber waterstop, steel plate waterstop, concrete,

[0019] The concrete is provided with a construction joint, the rubber waterstop is arranged in the construction joint, and the rubber waterstop is arranged in the construction joint, and the steel plate waterstop is arranged in the concrete.

[0020] The technical scheme has the following beneficial effects: water flows into the underground through the water permeable layer, and the water flow is guided to the water storage layer through the drainage assembly, so that the water accumulation is solved, and the water resources are collected for recycling. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of sandy soft soil underground waterproof structure.

[0022] Figure 2 It is a three-dimensional structure schematic view of water permeable layer.

[0023] Figure 3 It is a three-dimensional structure schematic view of reinforcing layer.

[0024] Figure 4 It is a three-dimensional structure schematic view of drainage assembly and water storage layer.

[0025] Figure 5 It is a sectional view of water storage layer.

[0026] Reference signs: 1, water permeable layer; 2, reinforcing layer; 21, support column; 3, sandy soft soil layer; 4, drainage assembly; 41, flow guide plate; 411, flow guide groove; 412, through hole; 42, water collecting pipe; 5, water storage layer; 51, water collecting groove; 52, drainage pipe; 53, collecting groove; 6, waterproof layer; 61, rubber waterstop; 62, steel plate waterstop; 63, concrete. DETAILED DESCRIPTION

[0027] The utility model is further explained in detail below in combination with the drawings and examples. Identical parts are denoted by identical reference signs. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0028] Reference Figures 1-5 As shown in the drawings, the underground waterproof structure of sandy soft soil comprises a water permeable layer 1, a reinforcing layer 2, a sandy soft soil layer 3, a drainage assembly 4, a water storage layer 5 and a waterproof layer 6;

[0029] The water permeable layer 1 is installed below the water-facing surface and is used to absorb water on the water-facing surface, the reinforcing layer 2 is installed below the water permeable layer 1 and is used to support the water permeable layer 1, the sandy soft soil layer 3 is installed below the reinforcing layer 2, the drainage assembly 4 is installed inside the sandy soft soil layer 3 and is used to guide the flow direction of water inside the sandy soft soil layer 3, the water storage layer 5 is installed below the sandy soft soil layer 3 and is used to collect water inside the drainage assembly 4, and the waterproof layer 6 is installed below the water storage layer 5.

[0030] When it rains, the water permeable layer 1 absorbs the water on the ground and guides the water to the sandy soft soil layer 3, the sandy soft soil layer 3 absorbs part of the water, the rest of the water flows into the drainage assembly 4, the drainage assembly 4 guides the water to the water storage layer 5, and when a vehicle passes, the water permeable layer 1 is squeezed and vibrated, at the same time the water permeable layer 1 transmits the squeezing force and vibration to the sandy soft soil layer 3, the sandy soft soil layer 3 is vibrated and squeezed to discharge the absorbed water and guide the water to the drainage layer.

[0031] In the prior art, the underground waterproof structure mostly uses rigid materials and flexible materials to cooperate with each other for waterproofing, but does not highlight the drainage function, which easily leads to water accumulation, affecting the structural stability. The utility model uses the squeezing and vibration brought by vehicles and pedestrians on the ground to promote the drainage of sandy soft soil, cooperates the drainage assembly 4 and the water storage layer 5 to guide the water on the ground to the water storage layer 5, not only effectively utilizes the water resources of the ground water type, but also significantly improves the waterproof effect of the waterproof layer 6, prolongs the service life of the structure, reduces the maintenance cost, ensures the dryness and safety of the underground space, and improves the overall building stability.

[0032] In the optimization, the water permeable layer 1 is a porous permeable structure.

[0033] The water-permeable layer 1 can adopt water-permeable concrete or water-permeable asphalt, and ground water can be smoothly permeated to the underground through the porous design, so as to effectively avoid traffic safety accidents caused by wet and slippery road surface. Meanwhile, the water-permeable concrete or water-permeable asphalt can also provide part of supporting force, bearing capacity requirement of vehicle load and pedestrian passing, so as to guarantee the overall stability of the road surface. Meanwhile, the porous design can also effectively intercept suspended particles and impurities, so that the water flowing to the underground is cleaner, and the pollution to the underground and the influence on the environment are reduced.

[0034] In the optimization, the reinforcing layer 2 comprises support columns 21.

[0035] The plurality of support columns 21 are connected to each other to form a grid structure.

[0036] The support columns 21 can be made of high-strength materials, such as reinforced concrete or alloy steel, so as to ensure that the support columns 21 provide sufficient supporting force for the water-permeable layer 1. The grid structure can uniformly disperse the pressure, so as to avoid the case that the local stress is too large, and ensure the stability and durability of the structure. Meanwhile, the grid structure is also helpful for guiding the dispersion and drainage of water flow, avoiding the accumulation of water in the reinforcing layer 2 and the water-permeable layer 1, and reducing the ground water accumulation phenomenon.

[0037] In the optimization, the drainage assembly 4 comprises a flow guide plate 41, and the flow guide plate 41 is provided with a flow guide groove 411 and a through hole 412.

[0038] The through hole 412 is arranged at the center position of the flow guide plate 41, the flow guide plate 41 is arranged away from the water side of the sandy soft soil layer 3, and the height of the four edges of the flow guide plate 41 is greater than the height of the through hole 412. The flow guide groove 411 is provided with a plurality of flow guide grooves 411, the plurality of flow guide grooves 411 are connected to form a grid structure, and are connected to each other. The flow guide groove 411 is used for collecting the water discharged from the sandy soft soil layer 3.

[0039] The flow guide plate 41 is used for increasing the structural stability of the sandy soft soil layer 3, and inhibiting the occurrence of foundation settlement. The sandy soft soil layer 3 has a high water absorption rate. When the flow guide plate 41 and the support column 21 extrude the sandy soft soil layer 3, or the ground conduction vibration, the sandy soft soil layer 3 discharges the absorbed water, so that the water flows to the flow guide plate 41. The flow guide plate 41 is arranged to be concave inward, the water flows to the flow guide groove 411, so as to avoid that the water is reabsorbed by the sandy soft soil layer 3. Meanwhile, the water in the flow guide groove 411 flows to the through hole 412.

[0040] In the optimization, the drainage assembly 4 further comprises a water collecting pipe 42.

[0041] The water collecting pipe 42 is connected with the through hole 412, and is used for collecting the water flowing from the flow guide groove 411, and conveying the water flow to the water storage layer 5.

[0042] The water collecting pipe 42 can adopt a conical design, the bottom surface is connected with the through hole 412, the tip is connected with the water storage layer 5, the conical design can slow down the flow rate of water flowing to the water storage layer 5, the water collecting pipe 42 adopts an inclination design to form gravity-assisted water flow to the water storage layer 5, so that more effective drainage is realized, in addition, the water collecting pipe 42 can also be provided with a spiral flow guide groove 411, the internal spiral structure makes the passing water produce rotational flow, forms a turbulent flow effect, effectively disperses the impurity particles in the ground water, reduces the deposition of impurities in the water collecting pipe 42, prevents silt from blocking, and maintains long-term drainage capacity.

[0043] In the optimization, the water storage layer 5 comprises a water collecting tank 51 and a drainage pipe 52;

[0044] One end of the drainage pipe 52 is connected with the water collecting pipe 42, and the other end is connected with the water collecting tank 51, the height of the connection end of the drainage pipe 52 with the water collecting pipe 42 is greater than the height of the connection end with the water collecting tank 51.

[0045] The drainage pipe 52 guides the water flow to be directionally transported to the water collecting tank 51, the spiral flow guide groove 411 structure can be arranged inside the drainage pipe 52 for reducing the probability of impurity deposition, the drainage pipe 52 is installed in the direction of the water collecting tank 51 with a preset slope, which assists the water flow to the water collecting tank 51, and the water collecting tank 51 can effectively collect and store the water transported by the drainage pipe 52, the water collecting tank 51 not only further improves the utilization efficiency of water resources, but also reduces the accumulation of water on the ground and in the structure, avoids the reduction of service life caused by long-term contact of the waterproof structure with water, the water collecting tank 51 is usually made of corrosion-resistant material and can resist the erosion of underground water for a long time, and a pipeline can be arranged to extract water from the ground for use.

[0046] In the optimization, the water storage layer 5 further comprises a collection tank 53;

[0047] The water collecting tank 51 is connected with the collection tank 53, and the bottom height of the water collecting tank 51 is higher than the bottom height of the collection tank 53.

[0048] The surface runoff carries suspended impurities during the process of passing through the multi-stage structure to the water collecting tank 51, the collection tank 53 is arranged to realize the interception and enrichment treatment of the impurities, and a reasonable slope can be arranged based on the height difference between the water collecting tank 51 and the collection tank 53 to help the impurities flow to the collection tank 53, the slope design makes the impurities naturally deposit, and the collection tank 53 can also be connected with a sedimentation well with automatic desilting function, and the desilting program can be triggered when the accumulation amount reaches a preset condition.

[0049] In the optimization, the waterproof layer 6 comprises a rubber waterstop 61, a steel plate waterstop 62 and concrete 63;

[0050] The concrete 63 is provided with a construction joint, the rubber waterstop 61 is arranged in the construction joint and penetrates the construction joint, and the steel plate waterstop 62 is arranged perpendicularly to the rubber waterstop 61 and on both sides of the concrete 63.

[0051] The construction needs to reserve the construction joint according to the specification, the rubber waterstop 61 forms the flexible sealing layer through the elastic material, the steel plate waterstop 62 adopts the metal structure to enhance the joint rigidity, and the both cooperate with each other to effectively prevent the water leakage at the construction joint, and meanwhile, the concrete 63 can provide the rigidity of the steel plate waterstop 62 and the rubber waterstop 61, so that the steel plate waterstop 62 and the rubber waterstop 61 are not easy to deform.

[0052] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and refinements without departing from the principles of the present application, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A waterproof underground structure for sandy soft soil, characterized in that, The water-permeable layer, the reinforcing layer, the sandy soft soil layer, the drainage assembly, the water storage layer and the waterproof layer are included. The water-permeable layer is installed below the water-facing surface and is used to absorb water of the water-facing surface, the reinforcing layer is installed below the water-permeable layer and is used to support the water-permeable layer, the sandy soft soil layer is installed below the reinforcing layer, the drainage assembly is installed inside the sandy soft soil layer and is used to guide the flow direction of water inside the sandy soft soil layer, the water storage layer is installed below the sandy soft soil layer and is used to collect water inside the drainage assembly, and the waterproof layer is installed below the water storage layer. When it rains, the water-permeable layer absorbs water on the ground and guides the water to the sandy soft soil layer, the sandy soft soil layer absorbs part of the water, the rest of the water flows into the drainage assembly, the drainage assembly guides the water to the water storage layer, when a vehicle passes, the water-permeable layer is squeezed and vibrated, at the same time, the water-permeable layer transmits the squeezing force and vibration to the sandy soft soil layer, the sandy soft soil layer is vibrated and squeezed to discharge the absorbed water and guide the water to the drainage layer.

2. The sand-based soft ground underground waterproof structure according to claim 1, characterized by, The water-permeable layer is a porous permeable structure.

3. The sand-based soft ground underground waterproof structure according to claim 2, characterized by, The reinforcing layer includes support columns. The plurality of support columns are connected to each other to form a grid structure.

4. The sand-based soft ground underground waterproof structure according to claim 3, characterized by The drainage assembly includes a flow guide plate provided with flow guide grooves and through holes. The through holes are arranged at the center of the flow guide plate, the flow guide plate is arranged on the side of the sandy soft soil layer away from the water-facing surface, the height of the four edges of the flow guide plate is greater than the height of the through holes, the flow guide grooves are provided in plurality, the plurality of flow guide grooves are connected to form a grid structure and are interconnected, and the flow guide grooves are used to collect water discharged from the sandy soft soil layer.

5. The sand-based soft ground underground waterproof structure according to claim 4, characterized by The drainage assembly further includes a water collecting pipe. The water collecting pipe is connected with the through holes and is used to collect water flowing from the flow guide grooves and transport the water to the water storage layer.

6. The sand-based soft ground underground waterproof structure according to claim 5, characterized by The water storage layer includes a water collecting groove and a drain pipe. One end of the drain pipe is connected with the water collecting pipe, and the other end is connected with the water collecting groove, the height of the connection end of the drain pipe with the water collecting pipe is greater than the height of the connection end of the drain pipe with the water collecting groove.

7. The sand-based soft ground underground waterproof structure according to claim 6, characterized by The water storage layer further includes a collecting groove. The water collecting groove is connected with the collecting groove, and the height of the bottom of the water collecting groove is higher than the height of the bottom of the collecting groove.

8. The sand-based soft ground underground waterproof structure according to any one of claims 1 to 7, characterized by, The waterproof layer includes a rubber waterstop, a steel plate waterstop and concrete. The concrete is provided with a construction joint, the rubber waterstop is arranged in the construction joint and penetrates the construction joint, the steel plate waterstop is arranged perpendicularly with the rubber waterstop and is arranged in the middle of the concrete.

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