CN214738235U

CN214738235U - Pier structure suitable for thick earthing district

Info

Publication number: CN214738235U
Application number: CN202120969545.9U
Authority: CN
Inventors: 赵志刚; 李海; 杨官辉; 倪伟
Original assignee: Yunnan Design Institute Group Co ltd
Current assignee: Yunnan Design Institute Group Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-16
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a mound structure suitable for thick earthing district, including the mound body, soil layer and stratum, the bottom of mound body sets up the inside at the soil layer, the stratum is located the bottom of soil layer, many miniature steel-pipe piles of slip casting of bottom fixedly connected with of mound body, the top fixed connection of many miniature steel-pipe piles of slip casting is in the inside of mound body, and the bottom of the miniature steel-pipe pile of slip casting runs through the inside of soil layer fixed connection at the stratum, the diameter of the miniature steel-pipe pile of slip casting is 150mm to 300mm, the length of the miniature steel-pipe pile of slip casting is more than or equal to 6m, the connection length between the miniature steel-pipe pile of slip casting and the mound body is more than or equal to 1.5 times of the miniature steel-pipe pile 4 diameters of slip casting. This kind of anchor block structure suitable for thick earthing district has solved the large-scale construction machinery of field construction environment and equipment difficulty of entering into the field effectively, and the higher problem of construction cost can effectively reduce the settlement volume of anchor block and pipeline, ensures the safety and stability of pipeline.

Description

Pier structure suitable for thick earthing district

Technical Field

The utility model relates to a water supply makes somebody a mere figurehead pipeline technical field specifically is a ballast pier structure suitable for thick earthing section.

Background

Built on stilts pipeline under pressure anchor is mostly reinforced concrete structure, relies on self weight balance pipeline, rivers and the effect of the transmission of filling up around, and the structure needs to satisfy antidumping stability and anti sliding stability requirement, and should control the subsiding of anchor and pipeline, avoids too big pipeline structure or joint destruction because of inhomogeneous settlement.

At present, the block in a section with thick soil covering generally adopts a structural form of deep burying or pile foundation, the block is deeply buried due to overlarge excavation and filling amount, the engineering cost is higher, the damage to the natural environment is larger, and the block cannot be adopted generally; traditional pile foundation is mostly major diameter reinforced concrete pile, and the construction needs large-scale pore-forming equipment and steel reinforcement cage hoist and mount machinery, and the operation is difficult in the field construction environment, and the cost is higher. Aiming at the problems, a ballast pier structure which is simple in structure and convenient to construct is required to be found, the safety and stability of the pipeline are ensured, the engineering investment can be saved, and the construction progress is accelerated. We have therefore improved this and have proposed a structure of a ballast suitable for thicker earth-covered sections.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a hard pier structure suitable for thick earthing district, including hard pier body, soil layer and stratum, the bottom of hard pier body sets up the inside at the soil layer, the stratum is located the bottom of soil layer, many miniature steel-pipe pile of many slip casting of bottom fixedly connected with of hard pier body, many the inside at the hard pier body of top fixed connection of miniature steel-pipe pile of slip casting, just the inside of soil layer fixed connection at the stratum is run through to the bottom of the miniature steel-pipe pile of slip casting.

As an optimal technical scheme of the utility model, the diameter of miniature steel pipe pile of slip casting is 150mm to 300mm, the length of miniature steel pipe pile of slip casting is more than or equal to 6m, the length of being connected between miniature steel pipe pile of slip casting and the anchor block body is more than or equal to 1.5 times of the miniature steel pipe pile diameter of slip casting.

As a preferred technical scheme of the utility model, the inside fixedly connected with pipeline at anchor block body top, the pipeline is close to the fixedly connected with fixed plate on the outer wall of anchor block body, the fixed plate passes through screw fixed connection at the surface of anchor block body.

As an optimal technical scheme of the utility model, seted up a plurality of grout outlet holes on the outer wall of miniature steel-pipe pile of slip casting, it is a plurality of the grout outlet hole is relative and dislocation set, and is a plurality of interval between every two in grout outlet hole is 350mm to 500 mm.

As an optimal technical scheme of the utility model, the many fastening steel bars of fixed surface of anchor block body are connected with, many the fastening steel bar sets up along the edge of anchor block body, and the distance between per two fastening steel bars is 20 mm.

As an optimal technical scheme of the utility model, the outer fixed surface of anchor block body is connected with a plurality of stiffening plate, and is a plurality of the both ends fixed connection of stiffening plate is in the one end of fastening reinforcing bar.

As an optimal technical scheme of the utility model, fixedly connected with two stiffening ribs that set up relatively on the surface at miniature steel-pipe pile top of slip casting, the one end fixed connection of stiffening rib is in the bottom of anchor block body.

As an optimized technical scheme of the utility model, the anchor block body is reinforced concrete structure.

The utility model has the advantages that:

the utility model provides a, this kind of anchor block structure suitable for thick earthing district, provides a simple structure, construction convenience and safe and reliable's anchor block structure for municipal administration or water conservancy water supply pressure pipeline.

The soil layer is the overhead pressure pipeline anchor block of the general cohesive soil or soft soil layer with large compressibility, the problem that large construction machinery and equipment in the field construction environment are difficult to enter the field is effectively solved, the construction cost is high, the foundation soil layer of the anchor block is reinforced through the miniature grouting steel pipe pile, the settlement amount of the anchor block and the pipeline can be effectively reduced, and the safety and stability of the pipeline are ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a structural diagram of a structure of a ballast suitable for a section of thick casing;

FIG. 2 is a structural diagram of a micro grouting steel pipe pile with a pier structure suitable for a thick soil-covered section of the present invention;

figure 3 is the utility model discloses a structure enlarger of anchor pier structure A department suitable for thick earthing district.

1. A ballast body; 2. a pipeline; 3. a slurry outlet; 4. grouting the miniature steel pipe pile; 5. a fixing plate; 6. a soil layer; 7. a stiffening plate; 8. fastening the reinforcing steel bars; 9. a rock formation; 10. and (4) reinforcing ribs.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in the figures 1-2, the utility model relates to a pier structure suitable for thick earthing section, including pier body 1, soil layer 6 and rock stratum 9, the bottom of pier body 1 is arranged inside soil layer 6, rock stratum 9 is located the bottom of soil layer 6, the bottom of pier body 1 is fixedly connected with many miniature steel-pipe piles 4 of slip casting, adopt the tiny concrete to fill in the miniature steel-pipe pile 4 of slip casting, and adopt high pressure cement to pour into closely, the top of many miniature steel-pipe piles 4 of slip casting is fixedly connected inside pier body 1, and the bottom of miniature steel-pipe pile 4 of slip casting runs through soil layer 6 and is fixedly connected inside rock stratum 9, soil layer 6 is the general cohesive soil or weak soil layer that compressibility is great, the bottom of miniature steel-pipe pile 4 of slip casting pierces through soil layer 6 and gets into the supporting layer, in order to reduce the burial depth of pier body 1, reduce the volume of filling, and reduce the volume of subsiding of pier body 1 and pipeline 2, ensuring that the pipe 2 is stable.

The diameter of the grouting miniature steel pipe pile 4 is 150mm to 300mm, the length of the grouting miniature steel pipe pile 4 is more than or equal to 6m, the connection length between the grouting miniature steel pipe pile 4 and the anchor block body 1 is more than or equal to 1.5 times of the diameter of the grouting miniature steel pipe pile 4, and the depth of the bottom end of the grouting miniature steel pipe pile 4 entering the bearing stratum is more than or equal to 2.5 times of the diameter of the grouting miniature steel pipe pile 4

The inside fixedly connected with pipeline 2 at the 1 top of anchor block body, fixedly connected with fixed plate 5 on the outer wall that pipeline 2 is close to anchor block body 1, fixed plate 5 is through screw fixed connection at anchor block body 1's surface, and fixed plate 5 is used for strengthening the joint strength between pipeline 2 and the anchor block body 1.

A plurality of grout outlet holes 3 are formed in the outer wall of the grouting miniature steel pipe pile 4, the grout outlet holes 3 are arranged oppositely and in a staggered mode, and the distance between every two of the grout outlet holes 3 is 350mm to 500 mm.

Many fastening reinforcing bars 8 of fixed surface of anchor block body 1 are connected with, and many fastening reinforcing bars 8 set up along the edge of anchor block body 1, and the distance between per two fastening reinforcing bars 8 is 20 mm.

The outer fixed surface of the anchor block body 1 is connected with a plurality of stiffening plates 7, the two ends of the stiffening plates 7 are fixedly connected with one ends of the fastening steel bars 8, and the stability of the structure of the anchor block body 1 can be improved through the fastening steel bars 8 and the stiffening plates 7 which are arranged.

Fixedly connected with two stiffening ribs 10 that set up relatively on the surface at miniature steel-pipe pile 4 tops of slip casting, the one end fixed connection of stiffening rib 10 is in the bottom of anchor block body 1, and stiffening rib 10 can improve the joint strength between miniature steel-pipe pile 4 of slip casting and the anchor block body 1.

The anchor block body 1 is of a reinforced concrete structure.

The utility model discloses an implementation includes following step:

1. when the grouting miniature steel pipe pile 4 is constructed, a drilling machine is used for drilling in place, a steel pipe is installed, a grouting machine and a grouting pipe are installed, fine stone materials are filled in the grouting pipe, and cement slurry is poured into the grouting pipe in a high-pressure mode;

2. when the anchor block body 1 is constructed, firstly installing an anchor block bottom die, binding reinforcing steel bars, then installing the pipeline 2, and then installing a side die;

3. and finally pouring the ballast concrete, and maintaining and accepting.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a pier structure suitable for thick earthing district, includes pier body (1), soil layer (6) and stratum (9), its characterized in that, the bottom setting of pier body (1) is in the inside of soil layer (6), stratum (9) are located the bottom of soil layer (6), many miniature steel-pipe pile of slip casting (4) of the many fixedly connected with in bottom of pier body (1), many the inside at pier body (1) of top fixed connection of miniature steel-pipe pile of slip casting (4), just the inside of soil layer (6) fixed connection in stratum (9) is run through to the bottom of the miniature steel-pipe pile of slip casting (4).

2. The anchor block structure suitable for the thick soil-covered section according to claim 1, wherein the diameter of the grouting miniature steel pipe pile (4) is 150mm to 300mm, the length of the grouting miniature steel pipe pile (4) is more than or equal to 6m, and the connection length between the grouting miniature steel pipe pile (4) and the anchor block body (1) is more than or equal to 1.5 times of the diameter of the grouting miniature steel pipe pile (4).

3. A block construction suitable for thick soil covered sections, according to claim 1, characterized in that the inside of the top of the block body (1) is fixedly connected with a pipe (2), the pipe (2) is fixedly connected with a fixing plate (5) near the outer wall of the block body (1), and the fixing plate (5) is fixedly connected to the outer surface of the block body (1) through screws.

4. The pier structure suitable for the thick soil-covered section according to claim 1, wherein the outer wall of the grouting miniature steel pipe pile (4) is provided with a plurality of grout outlet holes (3), the grout outlet holes (3) are arranged oppositely and in a staggered manner, and the distance between every two grout outlet holes (3) is 350mm to 500 mm.

5. A block construction suitable for thick earth-covered sections, according to claim 1, characterized in that a plurality of fastening bars (8) are fixedly connected to the surface of the block body (1), a plurality of said fastening bars (8) are arranged along the edge of the block body (1), and the distance between every two fastening bars (8) is 20 mm.

6. A block construction suitable for thick soil covered sections according to claim 5, characterized in that a plurality of stiffening plates (7) are fixedly connected to the outer surface of the block body (1), and both ends of the plurality of stiffening plates (7) are fixedly connected to one end of the fastening steel bar (8).

7. The pier construction suitable for the thick soil covered section according to claim 1, wherein two opposite reinforcing ribs (10) are fixedly connected to the outer surface of the top of the grouting miniature steel pipe pile (4), and one end of each reinforcing rib (10) is fixedly connected to the bottom of the pier body (1).

8. A block construction suitable for thick earth covered sections, according to claim 1, characterized in that the block body (1) is a reinforced concrete structure.