CN219327070U

CN219327070U - Drain pipe for shallow layer of soft foundation treatment

Info

Publication number: CN219327070U
Application number: CN202320332023.7U
Authority: CN
Inventors: 耿晨飞; 靳源; 孔华飞; 刘闪闪; 张玉龙; 王秋红; 裴少彬; 焦雲琦; 孙朋远; 张志乐; 潘乐乐
Original assignee: Henan First Highway Engineering Co ltd; Henan Highway Engineering Group Co Ltd
Current assignee: Henan First Highway Engineering Co ltd; Henan Highway Engineering Group Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-11
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a drain pipe for shallow layer treatment of soft foundation, which comprises a soil layer, wherein a middle coarse sand cushion layer is paved above the soil layer, a plurality of plastic drain boards are inserted and installed inside the soil layer and the middle coarse sand cushion layer through a plugboard machine, two adjacent plastic drain boards are connected through branch pipes, the front end and the rear end of each branch pipe are communicated with the drain pipe, waterproof collars are sleeved on the periphery of the connection position of each drain pipe and each branch pipe, flexible waterproof belts are connected between the waterproof collars of the drain pipe and the waterproof collars of each branch pipe, connecting grooves are formed in two sides of each branch pipe in an extending mode, the plastic drain boards are inserted and connected inside the connecting grooves, and clamping plates are arranged at the upper ends and the lower ends of the connection positions of the connecting grooves and the plastic drain boards. The drainage pipe adopts a movable connection mode, can adapt to the displacement of the plastic drainage plate and the branch pipe, improves the stability and reliability of the connection of the drainage pipe, and further improves the construction quality of a drainage consolidation method.

Description

Drain pipe for shallow layer of soft foundation treatment

Technical Field

The utility model relates to the technical field of highway soft foundation construction parts, in particular to a drain pipe for shallow layer treatment of a soft foundation.

Background

Soft soil is a stratum mainly comprising soft and weak clay or silt deposited underwater, and roadbed is built on the soft soil foundation, if the soft soil foundation is not reinforced, instability or excessive subsidence of the roadbed often occurs, so that the highway is damaged or cannot be normally used. The conventional soft foundation treatment methods are largely classified into a displacement method, a drainage consolidation method, a stirring method, a compaction method, a vibration compaction method, a grouting method and the like according to the treatment effects and principles.

In the actual drainage consolidation method construction process, a plastic drainage plate, namely a plastic drainage belt, is extruded plastic core plates in the middle, is a framework and a channel of the drainage belt, has a cross section in parallel, is wrapped by non-woven geotextiles on two sides to serve as a filter layer, has a supporting function and discharges water permeated by the filter layer upwards, is a good vertical channel for soft foundation treatment by using the drainage consolidation method through saturated viscosity of sludge, silt soil, filling soil and the like and the miscellaneous filling soil, greatly shortens soft soil consolidation time, is generally connected with a horizontal drainage pipe through a branch pipe, is finally connected to a vacuum pump in series, is covered with geotextile and a sealing film, performs vacuum preloading work, and in the vacuum preloading process, the plastic drainage plate is displaced due to sedimentation deformation of soil consolidation, when the sedimentation amount of the soft soil foundation is large, the branch pipe and the drainage pipe are easily separated, and the drainage purpose cannot be achieved.

Disclosure of Invention

The utility model aims to provide a drain pipe for shallow layer treatment of soft foundation, which adopts a movable connection mode, can adapt to the displacement of a plastic drain board and a branch pipe, improves the stability and reliability of the connection of the drain pipe, and further improves the construction quality of a drainage consolidation method.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a shallow drain pipe of using is handled to soft foundation, includes the soil body layer, soil body layer top lay well coarse sand bed course, soil body layer and well coarse sand bed course inside insert through the picture peg machine and install a plurality of plastics drain bar, wherein pass through leg joint between two adjacent plastics drain bars, the branch pipe front and back end intercommunication have the drain pipe, drain pipe and branch pipe hookup location department periphery all the suit be equipped with waterproof collar, wherein be connected with flexible waterproof strip between the waterproof collar of drain pipe and the waterproof collar of branch pipe, branch pipe both sides all extend and have the spread groove, the spread groove inside insert and be connected with plastics drain bar, spread groove and plastics drain bar hookup location department upper and lower extreme all be equipped with splint, splint both ends all screw up fixedly through the bolt, branch pipe lower surface welded fastening have the universal spring pole, universal spring pole lower extreme be connected to on the base.

Further, the flexible waterproof belt enables the drain pipe to move around the hemispherical range of the branch pipe and ensures that the internal water flow is smooth.

Further, the base is fixed to the surface of the medium coarse sand cushion through an earth inserting rod.

Further, the universal spring rod enables the branch pipe to move along with the sedimentation positions of the plastic drainage plates at two sides.

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

according to the utility model, the waterproof clamping ring and the flexible waterproof belt structure are arranged, so that the drain pipe can move around the hemispherical range of the branch pipe and the smooth internal water flow is ensured; through setting up universal spring bar structure and making the branch pipe can follow the subsidence position of both sides plastics drain bar and move, can adapt to the displacement of plastics drain bar and branch pipe, improved the stable reliability of drain pipe connection, and then improved the construction quality of drainage consolidation method.

Drawings

FIG. 1 is a schematic view of the overall structure of the drain pipe of the present utility model (with the drain pipe structure on the front side broken away);

FIG. 2 is a schematic view of the base connection structure of the present utility model (with the drain pipe structure on the front side detached);

FIG. 3 is a schematic view of the clamping plate connection structure (with the drain pipe structure on the front side detached) of the present utility model;

in the figure: 1. a soil layer; 2. a medium coarse sand cushion layer; 3. a plastic drain board; 4. a branch pipe; 5. a drain pipe; 6. a base; 7. a universal spring rod; 8. a waterproof collar; 9. a flexible waterproof tape; 10. a clamping plate; 11. and (5) a bolt.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

As shown in fig. 1, the existing plastic drainage plates 3 are inserted and installed above a soil layer 1 and a middle coarse sand cushion layer 2 by adopting a plate inserting machine, pipe boots and lifting sleeves, wherein two adjacent plastic drainage plates 3 are connected through a branch pipe 4, and the front end and the rear end of the branch pipe 4 are communicated with a drainage pipe 5;

as shown in fig. 2, the periphery of the joint position of the drain pipe 5 and the branch pipe 4 is sleeved with a waterproof collar 8, wherein a flexible waterproof belt 9 is connected between the waterproof collar 8 of the drain pipe 5 and the waterproof collar 8 of the branch pipe 4, the lower surface of the branch pipe 4 is fixedly welded with a universal spring rod 7, and the lower end of the universal spring rod 7 is connected to the base 6;

as shown in fig. 3, connecting grooves are formed in two sides of the branch pipe 4, the plastic drain plate 3 is inserted into the connecting grooves, clamping plates 10 are arranged at the upper end and the lower end of the connecting position of the connecting grooves and the plastic drain plate 3, and two ends of each clamping plate 10 are screwed and fixed through bolts 11.

During concrete construction, firstly, earth surface cleaning and leveling work is carried out on a project site through a bulldozer, then a middle coarse sand cushion layer 2 with the height of 0.5 meter is paved on a soil body layer 1, then a plastic drainage plate 3 is installed through a plugboard device, the upper ends of adjacent plastic drainage plates 3 are cut off and are respectively inserted into connecting grooves connected to branch pipes 4, then the clamping plates 10 are screwed through bolts 11 to further fix the connecting grooves, the plastic drainage plates 3 are prevented from falling off from the branch pipes 4, finally, all the branch pipes 4 on a straight line are connected with the drainage pipes 5, the pipe diameter of the drainage pipes 5 is larger than that of the traditional drainage pipes, the drainage pipes 5 are connected with the branch pipes 4 through waterproof collars 8 with flexible waterproof belts 9, the waterproof collars 8 are respectively clamped on the peripheries of the drainage pipes 5 and the branch pipes 4, the drainage pipes 5 can move around the hemispherical ranges of the branch pipes 4, the internal water flows are guaranteed to be smooth, universal spring rods 7 are adopted, and the branch pipes 4 can follow the settlement positions of the plastic drainage plates 3 on two sides to carry out adaptive rotation, and the branch pipes 4 and the drainage pipes 5 are not easy to separate.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shallow drain pipe of using is handled to soft foundation, includes the soil body layer, soil body layer top lay well coarse sand bed course, soil body layer and well coarse sand bed course inside insert through the picture peg machine and install a plurality of plastics drain bar, wherein between two adjacent plastics drain bar through leg joint, the front and back end intercommunication of leg joint have the drain pipe, its characterized in that: the outer cover of drain pipe and branch pipe hookup location department all be equipped with waterproof rand, wherein be connected with flexible waterproof strip between the waterproof rand of drain pipe and the waterproof rand of branch pipe, branch pipe both sides all extend and have the spread groove, spread groove inside insert and be connected with the plastics drain bar, spread groove and plastics drain bar hookup location department upper and lower extreme all be equipped with splint, splint both ends all screw up fixedly through the bolt, branch pipe lower surface welded fastening have the universal spring pole, universal spring pole lower extreme be connected to on the base.

2. A drain pipe for shallow soft foundation treatment according to claim 1, wherein: the flexible waterproof belt enables the drain pipe to move around the hemispherical range of the branch pipe and ensures that the internal water flow is smooth.

3. A drain pipe for shallow soft foundation treatment according to claim 1, wherein: the base is fixed on the surface of the medium coarse sand cushion through a ground inserting rod.

4. A drain pipe for shallow soft foundation treatment according to claim 1, wherein: the universal spring rod enables the branch pipe to move along with the sedimentation positions of the plastic drainage plates at two sides.