CN216074555U

CN216074555U - Structure for preventing settlement of soft soil foundation

Info

Publication number: CN216074555U
Application number: CN202122314428.1U
Authority: CN
Inventors: 马建云; 樊效君; 张栋栋
Original assignee: Shanxi Linfen Municipal Engineering Group Co Ltd
Current assignee: Shanxi Linfen Municipal Engineering Group Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-18
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of soft soil foundation protection, and discloses a structure for preventing soft soil foundation settlement, which comprises a soft soil base layer, wherein a broken stone reinforcing layer is paved on the top surface of the soft soil base layer, a reverse osmosis leveling layer is paved on the top surface of the broken stone reinforcing layer, roadside pouring plates are arranged on two side surfaces of the broken stone reinforcing layer, and drainage channels are arranged on the outer side surfaces of the roadside pouring plates; the concrete placement layer has been laid to the top surface of reverse osmosis screed-coat, and the both sides face on concrete placement layer is equipped with a pair of slope safe edge plate, and the top surface on concrete placement layer has been laid double-deck waterproof cloth, and the permeable formation has been laid to the top surface of double-deck waterproof cloth, and the road surface basic unit has been laid to the top surface of permeable formation. The first drain pipe and the second drain pipe are matched for use, so that the moisture in the soft soil base layer and the rainwater on the road surface can be conveniently and timely discharged, the soft soil base layer is reinforced through the hollow bearing pipe, and the possibility of road surface settlement is reduced.

Description

Structure for preventing settlement of soft soil foundation

Technical Field

The utility model relates to the technical field of soft soil foundation protection, in particular to a structure for preventing soft soil foundation settlement.

Background

With the rapid development of society, the number of roads built on soft soil foundations is increasing. The treatment of soft soil foundations has attracted great attention from design, construction and management personnel, and in recent years, a large amount of first-hand data has been accumulated in engineering practice.

The following disadvantages currently exist: 1. as the roadbed or the supporting body thereof, the soft soil foundation presents a soft soil layer foundation with low strength, large compressibility and large sedimentation amount due to large water content and large pore ratio of the soil body; 2. the subgrade is built on the soft soil foundation, and if the subgrade is not processed, the subgrade is often unstable or sinks excessively, so that subgrade diseases are generated, and the normal operation of vehicles is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a structure for preventing soft soil foundation settlement.

In order to solve the problems in the prior art, the utility model adopts the following technical scheme:

a structure for preventing settlement of a soft soil foundation comprises a soft soil base layer, wherein a broken stone reinforcing layer is laid on the top surface of the soft soil base layer, a reverse osmosis leveling layer is laid on the top surface of the broken stone reinforcing layer, roadside pouring plates are arranged on two side surfaces of the broken stone reinforcing layer, and drainage channels are arranged on the outer side surfaces of the roadside pouring plates;

the reverse osmosis composite pavement structure is characterized in that a concrete pouring layer is laid on the top surface of the reverse osmosis leveling layer, a pair of slope edge protection plates are arranged on two side surfaces of the concrete pouring layer, double-layer waterproof cloth is laid on the top surface of the concrete pouring layer, a permeable layer is laid on the top surface of the double-layer waterproof cloth between the pair of slope edge protection plates, and a pavement base layer is laid on the top surface of the permeable layer between the pair of slope edge protection plates.

Further, the inside of rubble back up coat is equipped with the first drain pipe that transversely runs through, the both ends of first drain pipe all run through the curb that corresponds and pour the board and extend to in the drainage canal, just all be equipped with miniature check valve in the both ends of first drain pipe.

Further, the bottom surface equipartition of first blow off pipe is equipped with a plurality of first permeability pipes, every the bottom portion of first permeability pipe all downwardly extending to in the soft soil substrate, and every the equipartition is equipped with a plurality of first permeability holes on the first permeability pipe.

Furthermore, a plurality of I-shaped seats are pre-buried in the reverse osmosis leveling layer, each I-shaped seat is provided with a bearing hole in the middle, a vertical through hollow bearing pipe is inserted in each bearing hole, and the bottom end of each hollow bearing pipe penetrates through the broken stone reinforcing layer and extends downwards into the soft soil base layer.

Furthermore, a bearing distribution plate is arranged at the top end part of the hollow bearing pipe at the bottom in the concrete pouring layer, and a honeycomb bearing core is arranged in the hollow bearing pipe.

Further, the inside on concrete placement layer is equipped with the second drain pipe that transversely runs through, the top surface equipartition of second drain pipe is equipped with a plurality of second infiltration pipes, every the top portion of second infiltration pipe all runs through double-deck tarpaulin and upwards extends to in the infiltration layer, and every the equipartition is equipped with a plurality of second infiltration holes on the second infiltration pipe.

Furthermore, a plurality of T-shaped folded plates are pre-buried in the roadside pouring plate, each T-shaped folded plate abuts against the bottom of the outer side face of the slope edge protection plate, and two end portions of the second drain pipe penetrate through the corresponding slope edge protection plate and extend to the upper portion of the outer side face of the T-shaped folded plate.

Furthermore, the top surface height of the roadside pouring plate is flush with the top surface height of the reverse osmosis leveling layer, and the top surface height of the pavement base layer is flush with the top height of the pair of slope edge protection plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, the hollow bearing pipe and the I-shaped seat are matched for use, the bearing distribution plate effectively shares the bearing of the hollow bearing pipe, the bearing capacity of the soft soil base layer is increased, and the phenomenon that the pavement foundation is damaged due to the overweight of a pavement truck is avoided;

2. according to the utility model, the first drain pipe and the first permeation pipe are matched for use, so that the water in the soft soil base layer can be conveniently discharged, and the second drain pipe and the second permeation pipe are matched for use, so that the rainwater on the road surface can be conveniently discharged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view of an I-shaped seat of the present invention;

number in the figure: the novel water-proof road surface building block comprises a soft soil base layer 1, a broken stone reinforcing layer 11, a reverse osmosis leveling layer 12, a roadside pouring plate 13, a drainage channel 14, a concrete pouring layer 15, a slope edge protecting plate 16, double-layer waterproof cloth 17, a permeable layer 18, a road surface base layer 19, a first drainage pipe 2, a first permeation pipe 21, a micro one-way valve 22, a second drainage pipe 23, a second permeation pipe 24, a T-shaped folded plate 25, an I-shaped seat 26, a hollow bearing pipe 27, a bearing distribution plate 28 and a honeycomb bearing core 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1: the embodiment provides a structure for preventing settlement of a soft soil foundation, and specifically comprises a soft soil base layer 1, wherein a broken stone reinforcing layer 11 is laid on the top surface of the soft soil base layer 1, a reverse osmosis leveling layer 12 is laid on the top surface of the broken stone reinforcing layer 11, roadside casting plates 13 are arranged on two side surfaces of the broken stone reinforcing layer 11, the height of the top surface of each roadside casting plate 13 is flush with the height of the top surface of the reverse osmosis leveling layer 12, and drainage channels 14 are arranged on the outer side surfaces of the roadside casting plates 13;

reverse osmosis screed-coat 12's top surface has laid concrete placement layer 15, and concrete placement layer 15's both sides face is equipped with a pair of slope safe edge plate 16, and concrete placement layer 15's top surface has laid double-deck waterproof cloth 17, is located and has laid permeable formation 18 at double-deck waterproof cloth 17's top surface between a pair of slope safe edge plate 16, is located to lay road surface basic unit 19 at the top surface of permeable formation 18 between a pair of slope safe edge plate 16, and road surface basic unit 19's top surface height and a pair of slope safe edge plate 16's top height parallel and level.

In the utility model, the first drainage pipe 2 which transversely penetrates through is arranged inside the gravel reinforcing layer 11, two end parts of the first drainage pipe 2 penetrate through the corresponding roadside pouring plates 13 and extend into the drainage channel 14, and the micro one-way valves 22 are arranged in the two end parts of the first drainage pipe 2, so that the micro one-way valves 22 avoid the backflow phenomenon of the drainage channel 14.

In the utility model, a plurality of first permeation tubes 21 are uniformly distributed on the bottom surface of the first drainage tube 2, the bottom end part of each first permeation tube 21 extends downwards into the soft soil base layer 1, a plurality of first permeation holes are uniformly distributed on each first permeation tube 21, and water generated in the soft soil base layer 1 enters the first permeation tubes 21 along the first permeation holes and is drained into the drainage channels 14 at two sides along the first drainage tube 2.

According to the utility model, a plurality of I-shaped seats 26 are pre-buried in the reverse osmosis leveling layer 12, a bearing hole is formed in the middle of each I-shaped seat 26, a hollow bearing pipe 27 which vertically penetrates through each bearing hole is inserted in each bearing hole, the bottom end part of each hollow bearing pipe 27 penetrates through the broken stone reinforcing layer 11 and extends downwards into the soft soil base layer 1, the bearing capacity of the soft soil base layer 1 is improved by matching the hollow bearing pipes 27 and the I-shaped seats 26, and the phenomenon that the pavement foundation is damaged due to overweight of a pavement truck is avoided.

In the utility model, the bearing distribution plate 28 is arranged at the top end part of the hollow bearing pipe 27 at the bottom in the concrete pouring layer 15, the bearing of the hollow bearing pipe 27 is effectively shared by the bearing distribution plate 28, the honeycomb bearing core 29 is arranged in the hollow bearing pipe 27, and the honeycomb bearing core 29 effectively increases the stability of the hollow bearing pipe 27.

In the utility model, a second drainage pipe 23 which transversely penetrates through is arranged inside the concrete pouring layer 15, a plurality of second permeation pipes 24 are uniformly distributed on the top surface of the second drainage pipe 23, the top end part of each second permeation pipe 24 penetrates through the double-layer waterproof cloth 17 and extends upwards into the permeation layer 18, a plurality of second permeation holes are uniformly distributed on each second permeation pipe 24, rainwater generated by the pavement base layer 19 enters the permeation layer 18 along the second permeation holes, enters the second permeation pipes 21 along the second permeation holes, and is discharged into the drainage channels 14 at two sides through the second drainage pipe 23.

In the utility model, a plurality of T-shaped folded plates 25 are pre-buried in the roadside casting plate 13, each T-shaped folded plate 25 abuts against the bottom of the outer side face of the slope edge protection plate 16, and two end parts of the second drain pipe 23 penetrate through the corresponding slope edge protection plate 16 and extend to the upper part of the outer side face of the T-shaped folded plate 25. The T-shaped folded plate effectively increases the stability of the slope edge guard 16 and can effectively prevent the second drainage pipe 23 from scouring the slope edge guard 16.

Example 2: when the utility model is used specifically, the operation steps are as follows:

firstly, water generated in the soft soil base layer 1 enters a first permeation pipe 21 along a first permeation hole and is discharged to a drainage channel 14 at two sides along a first drainage pipe 2, and a micro one-way valve 22 avoids the backflow phenomenon of the drainage channel 14;

step two, the hollow bearing pipe 27 is matched with the I-shaped seat 26, so that the bearing capacity of the soft soil base layer 1 is improved, and the phenomenon that the road foundation is damaged due to the fact that the vehicle is too heavy on the road is avoided;

in a rainwater weather, rainwater generated by the pavement base 19 enters the permeable layer 18, enters the second permeable pipe 21 along the second permeable hole, and is discharged to the drainage channels 14 on two sides through the second drainage pipe 23.

The first drain pipe and the second drain pipe are matched for use, so that the moisture in the soft soil base layer and the rainwater on the road surface can be conveniently and timely discharged, the soft soil base layer is reinforced through the hollow bearing pipe, the bearing capacity of the soft soil base layer is enhanced through the hollow bearing pipe, the possibility that the soft soil base layer is collapsed is reduced, and the possibility of road surface settlement is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a structure that prevention soft soil foundation subsides, includes soft soil basic unit (1), its characterized in that: a broken stone reinforcing layer (11) is laid on the top surface of the soft soil base layer (1), a reverse osmosis leveling layer (12) is laid on the top surface of the broken stone reinforcing layer (11), roadside pouring plates (13) are arranged on two side surfaces of the broken stone reinforcing layer (11), and drainage channels (14) are arranged on the outer side surfaces of the roadside pouring plates (13);

the reverse osmosis composite concrete side wall structure is characterized in that a concrete pouring layer (15) is laid on the top surface of the reverse osmosis leveling layer (12), a pair of slope side protecting plates (16) is arranged on two side surfaces of the concrete pouring layer (15), double-layer waterproof cloth (17) is laid on the top surface of the concrete pouring layer (15), permeable layers (18) are laid on the top surfaces of the double-layer waterproof cloth (17) between the pair of slope side protecting plates (16), and a road surface base layer (19) is laid on the top surfaces of the permeable layers (18) between the pair of slope side protecting plates (16).

2. A structure for preventing soft soil foundation settlement according to claim 1, wherein: the inside of rubble back up coat (11) is equipped with first drain pipe (2) that transversely run through, the both ends of first drain pipe (2) all run through corresponding roadside pour board (13) and extend to in drainage ditch (14), just all be equipped with miniature check valve (22) in the both ends of first drain pipe (2).

3. A structure for preventing soft soil foundation settlement according to claim 2, wherein: the bottom surface equipartition of first drain pipe (2) is equipped with a plurality of first permeability tube (21), every the bottom portion of first permeability tube (21) all downwardly extending to soft soil basic unit (1) in, and every the equipartition is equipped with a plurality of first infiltration holes on first permeability tube (21).

4. A structure for preventing soft soil foundation settlement according to claim 1, wherein: the reverse osmosis is pre-buried in the inside of reverse osmosis screed-coat (12) and is equipped with a plurality of I-shaped seat (26), every the bearing hole has all been seted up at the middle part of I-shaped seat (26), every hollow bearing pipe (27) that are equipped with vertical running through are all inserted to the inside in bearing hole, every the bottom portion of hollow bearing pipe (27) all runs through rubble back up coat (11) and downwardly extending to in soft soil basic unit (1).

5. A structure for preventing soft soil foundation settlement according to claim 4, wherein: the bearing distribution plate (28) is arranged at the top end part of the hollow bearing pipe (27) at the inner bottom part of the concrete pouring layer (15), and the honeycomb bearing core (29) is arranged in the hollow bearing pipe (27).

6. A structure for preventing soft soil foundation settlement according to claim 1, wherein: the inside on concrete placement layer (15) is equipped with second drain pipe (23) that transversely runs through, the top surface equipartition of second drain pipe (23) is equipped with a plurality of second permeability tubes (24), every the top portion of second permeability tube (24) all runs through double-deck tarpaulin (17) and upwards extends to in permeable formation (18), and every the equipartition is equipped with a plurality of second permeability holes on second permeability tube (24).

7. A structure for preventing soft soil foundation settlement according to claim 6, wherein: a plurality of T-shaped folded plates (25) are pre-buried in the roadside pouring plate (13), each T-shaped folded plate (25) abuts against the bottom of the outer side face of the slope edge protection plate (16), and two end portions of the second drainage pipe (23) penetrate through the corresponding slope edge protection plate (16) and extend to the upper portion of the outer side face of the T-shaped folded plate (25).

8. A structure for preventing soft soil foundation settlement according to claim 1, wherein: the top surface height of the roadside pouring plate (13) is flush with the top surface height of the reverse osmosis leveling layer (12), and the top surface height of the pavement base layer (19) is flush with the top height of the pair of slope edge protection plates (16).