CN213741089U - A protection architecture suspends in midair that is used for existing pipeline of large-span deep basal pit - Google Patents
A protection architecture suspends in midair that is used for existing pipeline of large-span deep basal pit Download PDFInfo
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- CN213741089U CN213741089U CN202021245766.3U CN202021245766U CN213741089U CN 213741089 U CN213741089 U CN 213741089U CN 202021245766 U CN202021245766 U CN 202021245766U CN 213741089 U CN213741089 U CN 213741089U
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Abstract
The utility model discloses a suspension protection structure for the existing pipeline of a large-span deep foundation pit, which comprises a reinforced concrete pier, an anchoring reinforcing steel bar and an encircling structure; the reinforced concrete pier is erected on the deep foundation pit and comprises a concrete pier and a reinforced net piece, the top of the reinforced concrete pier is a top end protective layer, and the bottom of the reinforced concrete pier is a bottom end protective layer; the reinforcing mesh is provided with three layers; the encircling structure comprises an annular hoop, a reinforcing zipper and a manual hoist, wherein the reinforcing zipper and the manual hoist form an annular shape to wind the annular hoop outside the existing pipeline and a support to play a role in suspension protection. The utility model utilizes the dead weight of the reinforced concrete pier and the pulling force of the anchoring steel bar and the stratum to form a support system with strong stability; the bearing protection system is composed of the annular hoops, the stress points are multiple, the stress is uniform, good space supporting force is provided for the existing pipelines, the pipelines are guaranteed not to be damaged due to self-weight sinking, and the safety is enhanced.
Description
Technical Field
The utility model relates to a protection field that suspends in midair of existing pipeline specifically is a protection architecture that suspends in midair that is used for the existing pipeline of large-span deep basal pit, can carry out the excavation construction of deep basal pit under the condition that existing pipeline does not have the change of moving, has not only protected existing pipeline, has compressed the time between the process moreover, has improved the efficiency of construction, has ensured construction safety.
Background
Along with the rapid development of municipal engineering, various pipelines such as rain sewage, tap water and electric power in the construction process are increased, so that the protection of the existing pipeline is one of the most important construction links before each construction project begins, particularly in the excavation process of a large-span deep foundation pit, the construction period is influenced due to improper treatment of the existing pipeline, the waste of personnel and mechanical equipment is caused, more importantly, the large construction risk exists due to the fact that the existing pipeline is not protected or is not protected properly, and the large potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a protection architecture suspends in midair that is used for the existing pipeline of large-span deep basal pit to solve the safety problem that proposes in the above-mentioned background.
The purpose of the utility model is realized through the following technical scheme:
a suspension protection structure for existing pipelines of a large-span deep foundation pit comprises a reinforced concrete pier, an anchoring reinforcing steel bar and an encircling structure; the anchoring steel bar penetrates through the reinforced concrete pier and penetrates into the stratum; a support is arranged between the reinforced concrete piers on the two sides and used for suspending the existing pipeline;
the reinforced concrete pier is erected on the deep foundation pit and comprises a concrete pier and a reinforced net piece, the top of the reinforced concrete pier is a top end protective layer, and the bottom of the reinforced concrete pier is a bottom end protective layer;
the reinforcing mesh is arranged into three layers, the first layer of reinforcing mesh is arranged 4cm-6cm below the top end protection layer, the second layer of reinforcing mesh is arranged 15cm-25cm below the first layer of reinforcing mesh, and the third layer of reinforcing mesh is arranged 4cm-6cm above the bottom end protection layer; the distance between the reinforcing steel bars of the same layer of reinforcing steel bar mesh is 10cm-20 cm;
the encircling structure comprises an annular hoop, a reinforcing zipper and a manual hoist, the annular hoop supports the existing pipeline, the reinforcing zipper and the manual hoist form an annular shape, and the annular hoop and a support outside the existing pipeline are wound to play a role in suspension protection.
As the preferred mode, the reinforced concrete pier comprises a concrete pier and a reinforcing mesh, the reinforcing mesh is set to be three layers, the first layer of reinforcing mesh is arranged at a position 5cm below the top end protection layer, the second layer of reinforcing mesh is arranged at a position 20cm below the first layer of reinforcing mesh, and the third layer of reinforcing mesh is arranged at a position 5cm above the bottom end protection layer.
Preferably, the distance between the steel bars of the same layer of steel bar mesh is 15 cm.
Preferably, the annular hoop is made of a steel plate through cutting.
Preferably, the thickness of the steel plate for manufacturing the annular hoop is 0.1mm-0.3 mm.
Preferably, the annular hoop is made of a steel plate with the thickness of 0.2 mm.
Preferably, the chain block is arranged at 1m-2 m/track.
Preferably, the chain block is arranged at 1.5 m/track.
The utility model has the advantages that:
1. an anchoring reinforcing steel bar reinforced concrete pier is used and penetrates into the stratum, and a supporting system with strong stability is formed by the dead weight of the concrete pier and the tensile force of the anchoring reinforcing steel bar and the stratum;
2. bear the protection system and constitute by annular staple bolt, the stress point is many and the atress is even, provides fine space holding power to existing pipeline, has guaranteed that the pipeline can not cause the destruction because of the dead weight sinks, and the security is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Figure 1 is a cross-sectional view of suspension protection;
FIG. 2 is a longitudinal cross-sectional view of the suspension protection;
FIG. 3 is a schematic view of the structure of part A in FIG. 1;
FIG. 4 is a schematic view of the structure of part B in FIG. 1;
in the figure, 1-anchoring steel bars, 2-double-spliced channel steel, 3-reinforced concrete piers, 4-reinforcing zippers, 5-existing pipelines, 6-deep foundation pits, 7-manual hoists, 8-annular hoops and 9-reinforced net pieces.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the presence of a first feature above or below a second feature may encompass direct contact of the first and second features, and may also encompass contact of the first and second features not being in direct contact, but via additional features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. Including a first feature being directly below and obliquely below a second feature, or simply indicating that the first feature is at a lesser elevation than the second feature, if present below, under or below the second feature.
Example one
As shown in fig. 1, a suspension protection structure for existing pipelines of a large-span deep foundation pit 6 comprises a reinforced concrete pier 3, an anchoring steel bar 1 and an encircling structure; the anchoring steel bar 1 can be phi 28 deformed steel bar, as shown in figure 2, the anchoring steel bar 1 penetrates through the reinforced concrete pier 3 and goes deep into the stratum; a support (beam support) is arranged between the reinforced concrete piers 3 at the two sides and is used for suspending the existing pipeline 5; the dead weight of the reinforced concrete pier 3 and the tensile force of the anchoring steel bar 1 and the ground layer are utilized to form a support system with strong stability.
The reinforced concrete pier 3 is erected on the deep foundation pit 6, the reinforced concrete pier 3 comprises a concrete pier and a reinforced net piece 9, the top of the reinforced concrete pier 3 is a top end protective layer, and the bottom of the reinforced concrete pier 3 is a bottom end protective layer;
the reinforcing mesh sheets 9 are arranged into three layers, the first layer of reinforcing mesh sheets 9 is arranged at a position 4cm-6cm below the top end protection layer, the second layer of reinforcing mesh sheets 9 is arranged at a position 15cm-25cm away from the position below the first layer of reinforcing mesh sheets 9, and the third layer of reinforcing mesh sheets 9 is arranged at a position 4cm-6cm above the bottom end protection layer; the distance between the reinforcing steel bars of the reinforcing steel bar net piece 9 in the same layer is 10cm-20 cm;
as shown in fig. 3, the encircling structure comprises an annular hoop 8, a reinforcing zipper 4 and a manual hoist 7, the annular hoop 8 supports the existing pipeline 5, and the reinforcing zipper 4 and the manual hoist 7 form an annular shape to wind the annular hoop 8 outside the existing pipeline 5 and a support to play a role in suspension protection. The utility model discloses specially adapted 100m-300 m's large-span deep basal pit 6.
Example two
The reinforced concrete pier 3 comprises a concrete pier and a reinforcing mesh 9, the reinforcing mesh 9 is set to be three layers, the first layer of reinforcing mesh 9 is arranged at a position 5cm below a top end protective layer, the second layer of reinforcing mesh 9 is arranged at a position 20cm below the first layer of reinforcing mesh 9, and the third layer of reinforcing mesh 9 is arranged at a position 5cm above a bottom end protective layer. The distance between the reinforcing steel bars of the reinforcing steel bar net piece 9 in the same layer is 15 cm. The reinforced concrete pier 3 has a structure of 1 x 0.5m, and the reinforcing steel bar of the built-in reinforcing steel bar mesh 9 is phi 12 deformed steel bar.
The annular hoop 8 is made of steel plate through cutting. The thickness of the steel plate for manufacturing the annular hoop 8 is 0.1mm-0.3 mm. For example, the ring-shaped hoop 8 is made by cutting a steel plate with the thickness of 0.2 mm. The annular hoop 8 can be a U-shaped hoop made of a steel plate with the thickness of 0.2 mm.
The chain block is arranged at 1m-2 m/track. The chain block is arranged at 1.5 m/channel, namely, the chain block and the reinforcing zipper 4 are arranged at intervals of 1.5m and are used for suspending the existing pipeline 5.
The present embodiment describes each part in detail. And channel steel is arranged on the reinforced concrete pier 3 as a support. As shown in fig. 4, the channel is a double-spliced channel 2 structure. The two ends of the double-spliced channel steel 2 and the reinforced concrete pier 3 are penetrated by the anchoring steel bars 1, the length of the anchoring steel bars 1 is generally 1.2m, the anchoring steel bars 1 go deep into the stratum, a supporting system with high stability is formed by the dead weight of the concrete pier and the tensile strength of the anchoring steel bars 1 and the stratum, and the double-spliced channel steel 2 beam is well supported.
EXAMPLE III
1) Concrete pier manufacturing
Firstly, digging 20cm of concrete pier which is 100x100x50cm downwards from the original ground 50cm outside an upper opening line of a planned digging position of the pipeline;
arranging three rows of phi 12 deformed steel bar meshes 9 on the concrete pier, wherein the first row is arranged 5cm below the top end protective layer, the second row is arranged 25cm in the middle, the third row is arranged 5cm above the bottom end protective layer, and the distance between the steel bars is 15 cm;
and thirdly, manufacturing a 5 cm-deep double-spliced channel steel 2 beam reserved notch at the top of the concrete pier, and arranging two anchoring holes phi 30 at the inward 20cm position of the pier body along the direction of the notch, wherein the anchoring holes penetrate through the whole pier body.
2) Manufacturing of double-spliced channel steel 2 cross beam
Firstly, cutting two 40C hot-rolled light channel steel, wherein the length of the two channel steel is the foundation pit span plus 2 points of the pier body width, two ends of each channel steel are provided with 2 phi 30 anchoring holes, the distance between a first hole and an end is 20cm, and the distance between a second hole and the end is 50 cm;
secondly, fixing the punched channel steel back to back together.
3) Manufacture of annular reinforced zipper 4
Firstly, cutting a steel plate with the thickness of 0.2mm to manufacture an annular hoop 8;
secondly, winding the pipeline and the channel steel by using a chain block, hoisting, tensioning and reinforcing, wherein the chain block is arranged at 1.5 m/channel;
and thirdly, wrapping the steel wire rope by using linen at the place where the zipper is contacted with the pipeline, protecting the water pipe by using a metal hoop, preventing the water pipe from being pulled and damaged by the steel wire rope, and wrapping the exposed part of the water pipe by using the linen.
The working principle is as follows:
the utility model discloses utilize the dead weight of concrete pier, anchor reinforcing bar 1 and the drawknot power of stratum and bear the weight of the protection system and constitute the strong support system of stability to the pulling force that existing pipeline 5 provided, effectively avoided causing the pipeline damage that the atress was too big to cause because of the pipeline dead weight through the multiple spot atress, played strong guard action to the pipeline, ensured construction safety simultaneously, practiced thrift construction period.
The utility model provides a protection architecture suspends in midair for 6 existing pipelines in large-span deep basal pit can carry out the excavation construction of deep basal pit 6 under the condition that existing pipeline 5 does not have the removal to change, has not only protected existing pipeline 5, has compressed the time between the process moreover, has improved the efficiency of construction, has ensured construction safety.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (8)
1. The utility model provides a hang protective structure that suspends that is used for existing pipeline of large-span deep basal pit which characterized in that: the reinforced concrete pier, the anchoring steel bar and the surrounding structure; the anchoring steel bar penetrates through the reinforced concrete pier and penetrates into the stratum; a support is arranged between the reinforced concrete piers on the two sides and used for suspending the existing pipeline;
the reinforced concrete pier is erected on the deep foundation pit and comprises a concrete pier and a reinforced net piece, the top of the reinforced concrete pier is a top end protective layer, and the bottom of the reinforced concrete pier is a bottom end protective layer;
the reinforcing mesh is arranged into three layers, the first layer of reinforcing mesh is arranged 4cm-6cm below the top end protection layer, the second layer of reinforcing mesh is arranged 15cm-25cm below the first layer of reinforcing mesh, and the third layer of reinforcing mesh is arranged 4cm-6cm above the bottom end protection layer; the distance between the reinforcing steel bars of the same layer of reinforcing steel bar mesh is 10cm-20 cm;
the encircling structure comprises an annular hoop, a reinforcing zipper and a manual hoist, the annular hoop supports the existing pipeline, the reinforcing zipper and the manual hoist form an annular shape, and the annular hoop and a support outside the existing pipeline are wound to play a role in suspension protection.
2. The suspension protection structure for the existing pipeline of the large-span deep foundation pit according to claim 1, wherein: the first layer of reinforcing mesh is arranged 5cm below the top end protection layer, the second layer of reinforcing mesh is arranged 20cm below the first layer of reinforcing mesh, and the third layer of reinforcing mesh is arranged 5cm above the bottom end protection layer.
3. The hanging protection structure for the existing pipeline of the large-span deep foundation pit according to claim 1 or 2, characterized in that: the distance between the reinforcing steel bars of the reinforcing steel bar net sheets in the same layer is 15 cm.
4. The suspension protection structure for the existing pipeline of the large-span deep foundation pit according to claim 1, wherein: the annular hoop is made of steel plates through cutting.
5. The hanging protection structure for the existing pipeline of the large-span deep foundation pit as claimed in claim 1 or 4, wherein: the thickness of the steel plate for manufacturing the annular hoop is 0.1mm-0.3 mm.
6. The hanging protection structure for the existing pipeline of the large-span deep foundation pit as claimed in claim 5, wherein: and cutting a steel plate with the thickness of 0.2mm to manufacture the annular hoop.
7. The suspension protection structure for the existing pipeline of the large-span deep foundation pit according to claim 1, wherein: the chain block is arranged at 1m-2 m/track.
8. The hanging protection structure for the existing pipeline of the large-span deep foundation pit as claimed in claim 1 or 7, wherein: the chain block is arranged at 1.5 m/track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021245766.3U CN213741089U (en) | 2020-06-30 | 2020-06-30 | A protection architecture suspends in midair that is used for existing pipeline of large-span deep basal pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021245766.3U CN213741089U (en) | 2020-06-30 | 2020-06-30 | A protection architecture suspends in midair that is used for existing pipeline of large-span deep basal pit |
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| Publication Number | Publication Date |
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| CN213741089U true CN213741089U (en) | 2021-07-20 |
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| CN202021245766.3U Active CN213741089U (en) | 2020-06-30 | 2020-06-30 | A protection architecture suspends in midair that is used for existing pipeline of large-span deep basal pit |
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| CN (1) | CN213741089U (en) |
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Address after: 100070 building 3, yard 10, Automobile Museum East Road, Fengtai District, Beijing Patentee after: China Power Construction Railway Construction Investment Group Co.,Ltd. Patentee after: SINOHYDRO BUREAU 5 Co.,Ltd. Patentee after: POWERCHINA CHENGDU CONSTRUCTION INVESTMENT Co.,Ltd. Address before: 100044 No. 22 West Zhuang Road, Beijing, Haidian District Patentee before: POWERCHINA RAILWAY CONSTRUCTION Co.,Ltd. Patentee before: SINOHYDRO BUREAU 5 Co.,Ltd. Patentee before: POWERCHINA CHENGDU CONSTRUCTION INVESTMENT Co.,Ltd. |
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