CN215441857U - Layered water immersion device for treating deep collapsible loess foundation - Google Patents

Layered water immersion device for treating deep collapsible loess foundation Download PDF

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Publication number
CN215441857U
CN215441857U CN202121213241.6U CN202121213241U CN215441857U CN 215441857 U CN215441857 U CN 215441857U CN 202121213241 U CN202121213241 U CN 202121213241U CN 215441857 U CN215441857 U CN 215441857U
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loess foundation
pvc
water
water filtering
foundation
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马子俊
屈宏录
霍源
白之璋
周廷达
程高军
马殷军
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China Lanzhou Railway Passenger Dedicated Line Co ltd
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China Lanzhou Railway Passenger Dedicated Line Co ltd
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Abstract

The utility model belongs to the technical field of geotechnical engineering, and particularly relates to a layered water immersion device for treating a deep collapsible loess foundation, which comprises the loess foundation, a bearing plate, a pressurizing plate and a PVC (polyvinyl chloride) perforated pipe; fixed mounting has the stand on loess foundation top both ends, and fixed mounting has the crossbeam on the stand top, installs electric telescopic handle at crossbeam bottom center, and electric telescopic handle bottom telescopic end fixed mounting compresses tightly the frame, compresses tightly the connection of frame bottom and is provided with the increased pressure board, and a water filtering section of thick bamboo sets up in loess foundation, installs the bearing plate bottom a water filtering section of thick bamboo, and the PVC floral tube passes increased pressure board and water filtering section of thick bamboo to loess foundation inside. The PVC perforated pipe penetrates through the pressurizing plate and the water filtering cylinder to the loess foundation through the through hole, and the electric telescopic rod drives the pressing frame to tightly press the extrusion plate on the sand-gravel filling layer; water is injected through the PVC flower pipes, and water is seeped into the loess foundation through the water seepage holes; completely eliminate the collapsibility of loess foundations of various different depths.

Description

Layered water immersion device for treating deep collapsible loess foundation
Technical Field
The utility model belongs to the technical field of geotechnical engineering, and particularly relates to a layered water immersion device for treating a deep collapsible loess foundation.
Background
The foundation is divided into a natural foundation and an artificial foundation. The foundation is a bearing rock-soil bearing layer under the foundation. The natural foundation can meet the requirement of bearing all loads of the foundation in a natural state, a natural soil layer reinforced by people is not needed, the engineering cost is saved, and the foundation does not need manual treatment. The natural foundation is a natural soil layer which can be directly laid without treating the foundation. Artificial foundations are foundations that have been artificially treated or modified. When the geological condition of the soil layer is better and the bearing capacity is stronger, a natural foundation can be adopted; under the condition of poor geological conditions, such as sloping fields, sandy fields or silt geology, or when the texture of the soil layer is good but the upper load is too large, in order to ensure that the foundation has enough bearing capacity, the foundation is artificially reinforced, namely the artificial foundation. Among the artificial foundations, a foundation formed by backfilling the foundation with filling soil (also referred to as backfill soil) is referred to as a filled foundation, a backfill soil foundation, a filled foundation, and the like. Collapsible loess is widely distributed in China and accounts for about 60 percent of the total area of the loess area. In the re-collapsible loess area, a filling foundation of collapsible loess (also referred to as a loess fill) is used more frequently.
At present, the main purpose of foundation treatment is to adopt various foundation treatment methods to improve the foundation conditions. The objects of the foundation treatment are soft foundation and special soil foundation. The special soil foundation has regional characteristics and comprises foundations such as soft soil, collapsible loess, expansive soil, red clay, frozen soil and the like. The collapsible property of the collapsible loess foundation can bring different degrees of harm to the structure, so that the structure is greatly settled, cracked and inclined, and even the safety and the use of the structure are seriously influenced; therefore, when building structures such as bridges and culverts in loess areas, reliable judgment method and comprehensive knowledge are provided for collapsible loess foundation, and correct engineering measures are taken to prevent or eliminate the collapsible property of the collapsible loess foundation, and the process is called collapsible loess foundation treatment; therefore, a loess filling layer layered water immersion device which is reasonable in design, simple and convenient to use and good in using effect is lacking at present.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a layered water immersion device for treating a deep collapsible loess foundation, wherein a PVC (polyvinyl chloride) floral tube penetrates through a pressurizing plate and a water filtering cylinder through a through hole to the loess foundation, and an electric telescopic rod drives a pressing frame to tightly press an extrusion plate on a sandy gravel filling layer; water is injected through the PVC flower pipes, and water is seeped into the loess foundation through the water seepage holes; completely eliminate the collapsibility of loess foundations of various different depths.
In order to achieve the purpose, the utility model provides the following technical scheme: a layered water immersion device for treating a deep collapsible loess foundation comprises a loess foundation, a bearing plate, a pressurizing plate, a stand column, a pressing frame, an electric telescopic rod, a cross beam, a PVC (polyvinyl chloride) floral tube, a water filtering cylinder and a sand and pebble filling layer; fixed mounting has the stand on loess foundation top both ends, fixed mounting has the crossbeam on the stand top, install electric telescopic handle at crossbeam bottom center, the telescopic end fixed mounting in electric telescopic handle bottom compresses tightly the frame, it is provided with the increased pressure board to compress tightly the connection of frame bottom, a water filtering section of thick bamboo sets up in the loess foundation, install the bearing plate bottom a water filtering section of thick bamboo, the PVC floral tube passes increased pressure board and water filtering section of thick bamboo to loess foundation inside, at the inside drainage soil-filled layer that is provided with of water filtering section of thick bamboo, the gravel filling layer has been laid at water filtering section of thick bamboo top.
Preferably, the upper part and the lower part of the PVC flower tube are connected with each other through a PVC pipe connector, a moisture meter is arranged on the PVC pipe connector, and a circular bottom plate is arranged at the bottom of the PVC flower tube.
Preferably, the pressurizing plate is provided with a plurality of rows of through holes, and the PVC perforated pipes penetrate through the pressurizing plate through the through holes.
Preferably, the pressurizing plate is driven by an electric telescopic rod to move up and down.
Preferably, the peripheries of the PVC flower tube and the water filtering cylinder are provided with water seepage holes.
Preferably, the electric telescopic rod adopts an NH32-900 electric push rod.
Compared with the prior art, the utility model has the beneficial effects that: the utility model arranges a water filtering cylinder in a loess foundation through a bearing plate, a PVC (polyvinyl chloride) floral tube penetrates through a pressurizing plate and the water filtering cylinder to the loess foundation through a through hole, a water filtering and filling layer is filled in the water filtering cylinder, a sandy gravel filling layer is paved at the top of the water filtering cylinder, and finally, an electric telescopic rod drives a pressing frame to tightly press an extrusion plate on the sandy gravel filling layer; water is injected through the PVC flower pipes, and water is seeped into the loess foundation through the water seepage holes; a water meter is arranged in the middle of the inner side of the PVC pipe connector and used for monitoring the position of a water head in the PVC flower pipe; the standard for completing the water saturation of each layer of the loess foundation is that the soil body between the two PVC floral tubes is completely saturated with water; completely eliminate the collapsibility of loess foundations of various different depths.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a layered water-soaking device for treating deep collapsible loess foundation according to the present invention;
FIG. 2 is a schematic structural diagram of a PVC flower tube in a layered water immersion device for treating a deep collapsible loess foundation according to the present invention; FIG. 3 is a schematic structural diagram of a pressurizing plate in the layered water-soaking device for treating the deep collapsible loess foundation.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: a layered water immersion device for treating a deep collapsible loess foundation comprises a loess foundation 1, a bearing plate 2, a pressurizing plate 3, a stand column 4, a pressing frame 5, an electric telescopic rod 6, a cross beam 7, a PVC (polyvinyl chloride) floral tube 8, a water filtering cylinder 10 and a sand and pebble filling layer 11; fixed mounting has stand 4 on 1 top both ends of loess foundation, fixed mounting has crossbeam 7 on 4 tops of stand, install electric telescopic handle 6 at crossbeam 7 bottom center, the flexible fixed mounting in 6 bottoms of electric telescopic handle compresses tightly frame 5, it is provided with increased pressure plate 3 to compress tightly 5 bottom connections, a water filtering section of thick bamboo 10 sets up in loess foundation 1, install bearing plate 2 in water filtering section of thick bamboo 10 bottom, PVC floral tube 8 passes increased pressure plate 3 and water filtering section of thick bamboo 10 to loess foundation 1 inside, be provided with drainage soil-filled layer 13 inside water filtering section of thick bamboo 10, sand pebble filling layer 11 has been laid at water filtering section of thick bamboo 10 top.
Specifically, the upper and lower parts of the PVC perforated pipe 8 are connected with each other through a PVC pipe joint 12, a moisture meter is arranged on the PVC pipe joint 12, and a circular bottom plate 15 is arranged at the bottom of the PVC perforated pipe 8.
Specifically, a plurality of rows of through holes 31 are formed in the pressurizing plate 3, and the PVC flower tubes 8 penetrate through the pressurizing plate 3 through the through holes 31.
Specifically, the pressurizing plate 3 is driven by an electric telescopic rod 6 to move up and down.
Specifically, the peripheries of the PVC flower tube 8 and the water filtering cylinder 10 are provided with water seepage holes 14.
Specifically, the electric telescopic rod 6 adopts an NH32-900 electric push rod.
The working principle and the using process of the utility model are as follows: when the utility model is used, a worker places the water filtering cylinder 10 in the loess foundation 1 through the bearing plate 2, passes the PVC flower pipe 8 through the pressurizing plate 3 and the water filtering cylinder 10 to the loess foundation 1 through the through hole 31, fills the water filtering filling layer 13 in the water filtering cylinder 10, lays the sandy gravel filling layer 11 on the top, and finally drives the pressing frame 5 through the electric telescopic rod 6 to enable the pressing plate 3 to be tightly pressed on the sandy gravel filling layer 11; water is injected through the PVC flower pipes 8, and water is seeped into the loess foundation 1 through the water seepage holes 14; a water meter is arranged in the middle of the inner side of the PVC pipe connector 12 and used for monitoring the position of a water head in the PVC perforated pipe 8; the standard for completing the water saturation of each layer of the loess soil foundation 1 is that the soil body between the two PVC floral tubes 8 is completely saturated with water; completely eliminates the collapsibility of the loess foundations of various different depths, and has strong applicability in the loess foundation treatment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a layering soaking device that is used for deep collapsible loess foundation to handle which characterized in that: the device comprises a loess foundation (1), a bearing plate (2), a compression plate (3), a column (4), a compression rack (5), an electric telescopic rod (6), a cross beam (7), a PVC (polyvinyl chloride) floral tube (8), a water filtering cylinder (10) and a sand and pebble filling layer (11); fixed mounting has stand (4) on loess foundation (1) top both ends, fixed mounting has crossbeam (7) on stand (4) top, install electric telescopic handle (6) at crossbeam (7) bottom center, electric telescopic handle (6) bottom telescopic end fixed mounting compresses tightly frame (5), it is provided with increased pressure board (3) to compress tightly frame (5) bottom connection, a water filtering section of thick bamboo (10) set up in loess foundation (1), install bearing plate (2) bottom a water filtering section of thick bamboo (10), PVC floral tube (8) are passed increased pressure board (3) and water filtering section of thick bamboo (10) to loess foundation (1) inside, be provided with drainage soil filling layer (13) inside water filtering section of thick bamboo (10), sand pebble filling layer (11) have been laid at water filtering section of thick bamboo (10) top.
2. The layered water immersion device for deep collapsible loess foundation treatment as claimed in claim 1, wherein: the upper portion and the lower portion of the PVC perforated pipe (8) are connected with each other through a PVC pipe joint (12), a moisture meter is arranged on the PVC pipe joint (12), and a round bottom plate (15) is arranged at the bottom of the PVC perforated pipe (8).
3. The layered water immersion device for deep collapsible loess foundation treatment as claimed in claim 1, wherein: a plurality of rows of through holes (31) are formed in the pressurizing plate (3), and the PVC perforated pipes (8) penetrate through the pressurizing plate (3) through the through holes (31).
4. The layered water immersion device for deep collapsible loess foundation treatment as claimed in claim 1, wherein: the pressurizing plate (3) is driven by an electric telescopic rod (6) to move up and down.
5. The layered water immersion device for deep collapsible loess foundation treatment as claimed in claim 1, wherein: and water seepage holes (14) are formed on the peripheries of the PVC flower tube (8) and the water filtering cylinder (10).
6. The layered water immersion device for deep collapsible loess foundation treatment as claimed in claim 1, wherein: the electric telescopic rod (6) adopts an NH32-900 electric push rod.
CN202121213241.6U 2021-06-02 2021-06-02 Layered water immersion device for treating deep collapsible loess foundation Active CN215441857U (en)

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CN202121213241.6U CN215441857U (en) 2021-06-02 2021-06-02 Layered water immersion device for treating deep collapsible loess foundation

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CN202121213241.6U CN215441857U (en) 2021-06-02 2021-06-02 Layered water immersion device for treating deep collapsible loess foundation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114892461A (en) * 2022-05-25 2022-08-12 岳阳市公路桥梁基建总公司 Self-adaptive deformation deep expansive soil roadbed structure and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114892461A (en) * 2022-05-25 2022-08-12 岳阳市公路桥梁基建总公司 Self-adaptive deformation deep expansive soil roadbed structure and construction method thereof
CN114892461B (en) * 2022-05-25 2024-05-10 岳阳路桥集团有限公司 Self-adaptive deformation deep expansion soil roadbed structure and construction method thereof

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