CN212865470U

CN212865470U - Composite foundation structure

Info

Publication number: CN212865470U
Application number: CN202021493829.7U
Authority: CN
Inventors: 封建康; 边米果
Original assignee: Shaanxi Guoyang Construction Engineering Co ltd
Current assignee: Shaanxi Guoyang Construction Engineering Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-02
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a compound foundation structure relates to the field of compound foundation, including ramming the soil layer, laying in the last metalling of ramming the soil layer and laying in the last road bed of metalling, the downcomer has been buried underground in the ramming soil layer, a plurality of holes of permeating water have been seted up on the road bed, the hole of permeating water runs through both sides about the road bed, the drain pipe has been buried underground in the metalling, drain pipe upper end and the hole bottom intercommunication of permeating water, tip and downcomer intercommunication under the drain pipe. This application can provide good drainage performance for the road bed.

Description

Composite foundation structure

Technical Field

The application relates to the field of composite foundations, in particular to a composite foundation structure.

Background

The composite foundation refers to a natural foundation in which a part of soil is reinforced or replaced in the foundation treatment process, or a reinforcement material is arranged in the natural foundation, and the reinforcement area is an artificial foundation consisting of a matrix (natural foundation soil or improved natural foundation soil) and a reinforcement. The composite foundation is divided into a vertical reinforcement composite foundation and a horizontal reinforcement composite foundation according to a composite foundation load transfer mechanism, and the vertical reinforcement composite foundation is divided into a discrete material pile composite foundation, a flexible pile composite foundation and a rigid pile composite foundation.

Among the prior art, the road bed is laid on the ground, and the ground provides the support for the road bed, and the road bed generally is formed by concrete pavement, through set up the inlet for stom water in road bed both sides for rainwater on the road bed is excreted through the inlet for stom water.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the rainfall is great, the rainwater can not be drained in time at the rainwater inlet, so that more accumulated water is accumulated on the roadbed, and certain influence is generated on traffic.

SUMMERY OF THE UTILITY MODEL

In order to improve the drainage performance of road bed, this application provides a compound foundation structure.

The application provides a compound foundation structure adopts following technical scheme:

the utility model provides a compound foundation structure, includes tamp the soil layer, lays in the rubble layer on the tamp soil layer and lay in the last road bed of rubble layer, bury the downcomer in the tamp soil layer underground, a plurality of holes of permeating water have been seted up on the road bed, the hole of permeating water runs through both sides about the road bed, the drain pipe has been buried underground in the rubble layer, drain pipe upper end and the hole bottom intercommunication of permeating water, tip and downcomer intercommunication under the drain pipe.

Through adopting above-mentioned technical scheme, it is great when the rainwater, and when there is more ponding on the road bed, ponding on the road bed can flow in the drain pipe through the hole of permeating water to collect in the sewer pipe through the drain pipe, thereby can be very fast drain away the ponding on the road bed, be difficult for producing the influence to the traffic.

Preferably, the drain pipe comprises a water inlet pipe which is embedded in the gravel layer and communicated with the bottom of the water permeable hole, a pipe body communicated with the lower end part of the water inlet pipe, and a water outlet pipe communicated with the lower end part of the pipe body, the lower end part of the water outlet pipe is communicated with the sewer pipe, a connecting pipe is arranged in the pipe body, a cylindrical mounting cavity is arranged at the lower part in the connecting pipe, a cavity communicated with the mounting cavity is arranged at the upper part in the connecting pipe, an annular stop block is arranged at the lower end part of the connecting pipe, the annular stop block extends along the circumferential direction of the lower end part of the connecting pipe, a spring is vertically arranged in the cavity, a water retaining ball matched with the cavity is arranged at the upper end part of the spring, the cavity penetrates through the upper end part of the connecting pipe, the cavity is in a round table shape with a narrow upper part, the diameter of the water blocking ball is smaller than that of the installation cavity.

By adopting the technical scheme, water in the water inlet pipe flows into the pipe body, when a certain volume of water exists in the pipe body on the connecting pipe, the spring is compressed by the water flow due to the existence of water pressure, the water blocking ball is pressed downwards, the water blocking ball is far away from the side wall of the cavity, and a space for the water to flow away is formed between the water blocking ball and the side wall of the cavity; when the water flow of the sewer flows backwards, the spring is in a compressed state and pushes the water blocking ball upwards, so that the cavity can be sealed by the water blocking ball, and the water flow is prevented from flowing backwards.

Preferably, the connecting pipe lateral wall and the laminating of body inside wall, the ring channel has been seted up to the connecting pipe lateral wall, the ring channel extends along connecting pipe lateral wall circumference, install the sealing washer in the ring channel, the sealing washer outside and body inside wall butt.

Through adopting above-mentioned technical scheme, the setting of ring channel is convenient for the installation of sealing washer, and the setting of sealing washer can improve the leakproofness between connecting pipe lateral wall and the body inside wall, and when the rainwater submergence installation cavity of connecting pipe below, the gap process between connecting pipe lateral wall and the body inside wall is difficult followed to the rainwater.

Preferably, the annular stop block is detachably mounted at the lower end of the connecting pipe, a plurality of first screws penetrate through the bottom threads of the annular stop block, and the annular stop block and the connecting pipe are fixed through the first screws.

Through adopting above-mentioned technical scheme, through setting up first screw, realize being connected dismantled of annular dog and connecting pipe, when the installation cavity takes place to block up, can clear up the installation cavity.

Preferably, the outer side of the water inlet pipe is communicated with a drain pipe, the drain pipe is arranged in an inclined mode, the drain pipe is closer to the water inlet pipe, the height of the drain pipe is lower, and one end, away from the water inlet pipe, of the drain pipe is arranged in an opening mode.

By adopting the technical scheme, part of water on the roadbed permeates the roadbed and permeates into the gravel layer, and the water in the gravel layer can flow into the water inlet pipe through the drain pipe, so that the drainage performance of the roadbed is improved.

Preferably, one end of the drain pipe, which is far away from the water inlet pipe, is provided with geotextile.

Through adopting above-mentioned technical scheme, the setting of geotechnological cloth can prevent that the intraformational rubble of rubble from getting into in the drain pipe, reduces the phenomenon that the drain pipe blockked up.

Preferably, a filter hopper is arranged in the water permeable hole.

Through adopting above-mentioned technical scheme, the setting of filtering the fill can filter the downthehole debris that permeate water that get into, reduces the phenomenon in debris jam hole of permeating water.

Preferably, the water blocking ball is arranged in a hollow manner.

Through adopting above-mentioned technical scheme for the manger plate ball has certain buoyancy, and when the rainwater submergence installation cavity of connecting pipe below, the manger plate ball can come up a segment distance under the buoyancy effect, makes the laminating cavity inside wall that the manger plate ball can be inseparabler, further improves and prevents flowing backward the effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the rainwater is large and more accumulated water exists on the roadbed, the accumulated water on the roadbed can flow into the drainage pipe through the water permeable holes and is collected in the drainage pipe through the drainage pipe, so that the accumulated water on the roadbed can be quickly drained away, and the influence on traffic is not easily caused;

2. when water with a certain volume exists in the pipe body positioned on the connecting pipe, the spring is compressed by the water flow due to the existence of water pressure, the water blocking ball is pressed downwards, so that the water blocking ball is far away from the side wall of the cavity, and a space for water to flow away is formed between the water blocking ball and the side wall of the cavity; when the water flow of the sewer flows backwards, the spring is in a compressed state and pushes the water blocking ball upwards, so that the cavity can be sealed by the water blocking ball, and the water flow is prevented from flowing backwards.

Drawings

FIG. 1 is a schematic view of a composite foundation structure;

fig. 2 is a schematic view of a pipe body and a connection pipe of the composite foundation structure;

fig. 3 is a schematic view of a drain pipe and a drain pipe of the composite foundation structure.

Description of reference numerals: 1. tamping a soil layer; 2. a crushed stone layer; 3. a roadbed; 4. a sewer pipe; 5. water permeable holes; 6. a drain pipe; 7. a filter hopper; 8. a water inlet pipe; 9. a pipe body; 10. a water outlet pipe; 11. a connecting pipe; 12. a cavity; 13. a mounting cavity; 14. an annular stop block; 15. a water outlet hole; 16. a spring; 17. a water blocking ball; 18. a first screw; 19. an annular groove; 20. a seal ring; 21. a drain pipe; 22. and (4) geotextile.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a composite foundation structure. Referring to fig. 1, including tamped soil layer 1, rubble layer 2 and road bed 3, rubble layer 2 lays on tamped soil layer 1, and road bed 3 lays on rubble layer 2, and tamped soil layer 1 is filled by tamped soil and forms, and rubble layer 2 is filled by the rubble and forms, and road bed 3 is laid by the concrete and forms.

Underground pipes 4 are embedded in the rammed soil layer 1, the underground pipes 4 are horizontally arranged, a plurality of water permeable holes 5 are vertically formed in the roadbed 3, and the water permeable holes 5 penetrate through the upper side and the lower side of the roadbed 3. A plurality of drain pipes 6 are buried in the gravel layer 2, the number of the drain pipes 6 is the same as that of the water permeable holes 5, the upper end parts of the drain pipes 6 are communicated with the bottoms of the water permeable holes 5, and the lower end parts of the drain pipes 6 are communicated with the sewer pipe 4. When the surface of the roadbed 3 has accumulated water, the accumulated water can flow into the water permeable holes 5 and then flow into the drain pipes 6 and is collected at the sewer pipes 4 through the drain pipes 6, so that the accumulated water on the roadbed 3 can be quickly drained, and the condition of excessive accumulated water on the road surface is reduced.

In order to filter the sundries on the roadbed 3, a filter hopper 7 is fixed in the permeable hole 5, and the outer side wall of the filter hopper 7 is attached to the upper part of the inner side wall of the permeable hole 5.

The drain pipe 6 includes oral siphon 8, body 9 and outlet pipe 10, and oral siphon 8 buries underground in metalling 2, and oral siphon 8 is vertical setting, and oral siphon 8 upper end communicates with the 5 bottoms in the hole of permeating water of corresponding position, and body 9 communicates in oral siphon 8 tip down, and body 9 is vertical setting, and outlet pipe 10 communicates in body 9 tip down, and tip and downcomer 4 intercommunication under the outlet pipe 10. After water on the roadbed 3 flows into the permeable holes 5, the water passes through the water inlet pipe 8, the pipe body 9 and the water outlet pipe 10 in sequence and finally is collected at the sewer pipe 4.

Referring to fig. 2, a connecting pipe 11 is fixed in the pipe body 9, the connecting pipe 11 is a vertically arranged cylindrical object, the length of the connecting pipe 11 is smaller than that of the pipe body 9, and the outer side wall of the connecting pipe 11 is attached to the inner side wall of the pipe body 9. The upper portion position and the lower part position in the connecting pipe 11 have seted up cavity 12 and installation cavity 13 respectively, and cavity 12 is the round platform form of narrow-end-up width down, and cavity 12 runs through the up end of connecting pipe 11, and installation cavity 13 is cylindricly, and installation cavity 13 and cavity 12 intercommunication, and installation cavity 13 runs through the lower tip of connecting pipe 11, and the cross-sectional area of installation cavity 13 is the same with the cross-sectional area of cavity 12 of bottom position. The tip can be dismantled to be connected with annular dog 14 under 11 connecting pipes, and annular dog 14 extends along 11 tip circumference under the connecting pipe to enclose into the round, the vertical apopore 15 of upwards having seted up in the middle part position of 14 bottom surfaces of annular dog, apopore 15 and installation cavity 13 intercommunication, and the diameter of apopore 15 is less than the internal diameter of installation cavity 13.

A spring 16 and a water retaining ball 17 are arranged in the mounting cavity 13, the spring 16 is vertically arranged in the mounting cavity 13, the lower end part of the spring 16 is connected with the top surface of the annular stop block 14, and the size of the upper part of the spring 16 is smaller than that of the lower part of the spring 16. The water blocking ball 17 is fixed on the upper end of the spring 16, the water blocking ball 17 is positioned between the cavity 12 and the mounting cavity 13, and the diameter of the water blocking ball 17 is smaller than the inner diameter of the mounting cavity 13 and larger than the inner diameter of the cavity 12 at the top. The spring 16 is in a compressed state, so that the top position of the outer side of the water blocking ball 17 can be abutted against the inner side wall of the cavity 12, the water blocking ball 17 can block the cavity 12, and the cavity 12 is in a closed state.

When a certain volume of water is accumulated above the pipe body 9, the water retaining ball 17 is pressed downwards under the action of water pressure, so that the spring 16 is compressed, at the moment, the water retaining ball 17 is gradually far away from the side wall of the cavity 12, a space is formed between the water retaining ball 17 and the side wall of the cavity 12, water can flow through the space, and the water above the connecting pipe 11 can flow below the connecting pipe 11; when water flows backward, under the action of the elastic force of the spring 16, the water blocking ball 17 can seal the cavity 12, so that the water flow cannot pass through the connecting pipe 11, and the effect of preventing the water flow from flowing backward is achieved.

In order to further improve and prevent flowing backward the effect, manger plate ball 17 is the cavity setting, so sets up for manger plate ball 17 has certain buoyancy, and when the water logging of connecting pipe 11 below does not have installation cavity 13, manger plate ball 17 can come up a segment distance under the buoyancy of self, makes manger plate ball 17 can be inseparabler and cavity 12 inside wall butt, thereby improves and prevents flowing backward the effect.

Four groups of first screws 18 are arranged at the lower end of the annular stop block 14 in a threaded manner, the first screws 18 are arranged vertically, the four groups of first screws 18 are circumferentially arranged at the lower end of the annular stop block 14, and the annular stop block 14 and the connecting pipe 11 are fixed through the first screws 18. So set up, can realize annular dog 14 and connecting pipe 11 dismantled being connected, be convenient for clear up the installation cavity 13 is inside.

Annular groove 19 has been seted up to the lower part position of connecting pipe 11 lateral wall, and annular groove 19 extends along connecting pipe 11 lateral wall circumference to enclose into the round, install sealing washer 20 in the annular groove 19, and the sealing washer 20 outside and the butt of body 9 inside wall. In the present embodiment, the seal ring 20 is made of a rubber material. The sealing ring 20 can improve the sealing performance between the inner side wall of the pipe body 9 and the outer side wall of the connecting pipe 11, and can further improve the anti-backflow effect.

Referring to fig. 1 and 3, two sets of drain pipes 21 are communicated with the outer side of the water inlet pipe 8, the two sets of drain pipes 21 are symmetrical with respect to the length direction of the water inlet pipe 8, the drain pipes 21 are obliquely arranged, the closer the drain pipes 21 are to the water inlet pipe 8, the lower the height of the drain pipes 21 is, the end part of the drain pipes 21 far away from the water inlet pipe 8 is in an opening arrangement, and geotextile 22 is fixed on the end part. A part of water on the surface of the roadbed 3 permeates the roadbed 3 and permeates into the gravel layer 2, so that a part of water in the gravel layer 2 can flow into the water inlet pipe 8 through the drain pipe 21, and the drainage performance of the roadbed 3 is improved. Through set up geotechnological cloth 22 at drain pipe 21 tip, can prevent that the rubble in the rubble layer 2 from getting into in the drain pipe 21, reduce the phenomenon that drain pipe 21 blockked up.

The implementation principle of the composite foundation structure in the embodiment of the application is as follows: when water is accumulated on the surface of the roadbed 3, the accumulated water can flow into the water permeable holes 5 and then flows into the water inlet pipe 8 and the pipe body 9 in sequence, when water with a certain volume is accumulated above the pipe body 9, the water retaining ball 17 is pressed downwards under the action of water pressure, so that the spring 16 is compressed, at the moment, the water retaining ball 17 is gradually far away from the inner side wall of the cavity 12, a space is formed between the water retaining ball 17 and the side wall of the cavity 12, water can flow through the space, and the water above the connecting pipe 11 can flow to the lower part of the connecting pipe 11 and flow into the water outlet pipe 10 and finally collect at the sewer pipe 4; in addition, a part of water on the surface of the roadbed 3 permeates the roadbed 3 and permeates into the gravel layer 2, so that a part of water in the gravel layer 2 can flow into the water inlet pipe 8 through the drain pipe 21; when water flows backwards, the water retaining ball 17 can seal the cavity 12 under the elastic force of the spring 16, and water flow cannot pass through the connecting pipe 11, so that the backflow preventing effect is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A composite foundation structure is characterized in that: including rammed soil layer (1), lay in rubble layer (2) on rammed soil layer (1) and lay in roadbed (3) on rubble layer (2), bury downcomer (4) underground in rammed soil layer (1), a plurality of holes (5) of permeating water have been seted up on roadbed (3), both sides about road bed (3) are run through in hole (5) of permeating water, bury drain pipe (6) underground in rubble layer (2), drain pipe (6) upper end and the hole (5) bottom intercommunication of permeating water, tip and downcomer (4) intercommunication under drain pipe (6).

2. A composite foundation structure according to claim 1, wherein: the drainage pipe (6) comprises a water inlet pipe (8) which is embedded in the gravel layer (2) and communicated with the bottom of the water permeable hole (5), a pipe body (9) communicated with the lower end part of the water inlet pipe (8) and a water outlet pipe (10) communicated with the lower end part of the pipe body (9), the lower end part of the water outlet pipe (10) is communicated with the sewer pipe (4), a connecting pipe (11) is arranged in the pipe body (9), a cylindrical mounting cavity (13) is arranged at the lower part of the connecting pipe (11), a cavity (12) communicated with the mounting cavity (13) is arranged at the upper part of the connecting pipe (11), an annular stop block (14) is arranged at the lower end part of the connecting pipe (11), the annular stop block (14) extends along the circumferential direction of the lower end part of the connecting pipe (11), a spring (16) is vertically arranged in the cavity (12), and a water retaining ball (17) matched with the cavity, cavity (12) run through connecting pipe (11) upper end, cavity (12) are under the narrow wide round platform form, tip under connecting pipe (11) runs through in installation cavity (13), spring (16) are compression state, the top position and the laminating of cavity (12) inside wall in the fender water ball (17) outside, the diameter that keeps off water ball (17) is less than the diameter of installation cavity (13).

3. A composite foundation structure according to claim 2, wherein: connecting pipe (11) lateral wall and body (9) inside wall laminating, ring channel (19) have been seted up to connecting pipe (11) lateral wall, connecting pipe (11) lateral wall circumference is extended along ring channel (19), install sealing washer (20) in ring channel (19), sealing washer (20) outside and body (9) inside wall butt.

4. A composite foundation structure according to claim 2, wherein: the annular stop block (14) is detachably mounted at the lower end of the connecting pipe (11), a plurality of first screws (18) are arranged at the bottom of the annular stop block (14) in a threaded mode, and the annular stop block (14) and the connecting pipe (11) are fixed through the first screws (18).

5. A composite foundation structure according to claim 2, wherein: the outside intercommunication of oral siphon (8) has drain pipe (21), drain pipe (21) are the slope setting, drain pipe (21) are close to oral siphon (8) more, and its height is lower more, the one end that oral siphon (8) were kept away from to drain pipe (21) is the opening setting.

6. A composite foundation structure according to claim 5, wherein: one end of the drain pipe (21) far away from the water inlet pipe (8) is provided with geotextile (22).

7. A composite foundation structure according to claim 1, wherein: and a filter hopper (7) is arranged in the water permeable hole (5).

8. A composite foundation structure according to claim 2, wherein: the water blocking ball (17) is arranged in a hollow manner.