CN212900094U - Passing-through protection structure of pipe jacking close-range lower pipe passing gallery - Google Patents

Abstract

The application relates to the field of pipe jacking construction, in particular to a penetrating protection structure of a pipe jacking close-distance downward penetrating pipe gallery, which is used for solving the problems of inconvenience in construction, limited protection effect and limited structural stability in the related technology; the pipe pushing and grouting device comprises stressed piles symmetrically arranged on the periphery of a pipe rack through which a push pipe passes, connecting beams arranged on the stressed piles, a supporting beam and a force transferring wall, wherein beam holes and slurry holes are formed in the force transferring wall, the connecting beams and the stressed piles are integrated, and the supporting beam is arranged on the force transferring wall.

Description

Passing-through protection structure of pipe jacking close-range lower pipe passing gallery

Technical Field

The application relates to the field of pipe jacking construction, in particular to a penetrating protection structure of a pipe jacking close-distance downward penetrating pipe gallery.

Background

The pipe-jacking technology is a trenchless tunneling type pipeline laying construction technology for municipal construction, thoroughly solves the problems of damage to urban buildings, road traffic blockage and the like in pipeline burying construction, and has remarkable advantages in soil stabilization and environmental protection. The technology is widely applied to trenchless laying of various pipelines such as urban underground water supply and drainage pipelines, natural gas and petroleum pipelines, communication cables and the like in coastal economically developed areas of China. As for the construction of the pipeline project, the situation that the existing construction pipeline passes downwards or upwards spans the existing pipeline and the building is inevitable, wherein the condition that the existing pipe gallery is penetrated downwards by the top pipe is a typical form. The existing pipe gallery that passes under the push pipe often causes that existing pipe gallery subsides too big, threatens operation safety, and the existence of top pipe gallery has increased soil pressure in addition, also causes adverse effect to the construction of below push pipe, increases the construction degree of difficulty, seriously slows down the construction progress. The current common penetration protection method is to pre-reinforce the stratum and strengthen the monitoring and measurement in the construction, but the construction protection effect is common.

Therefore, it is very important to find a penetrating protection structure and a construction method of the pipe jacking close-distance downward-penetrating pipe gallery, which are convenient to construct, good in protection effect and stable in structure.

SUMMERY OF THE UTILITY MODEL

Based on this, this application provides the pipe jacking closely under wear protective structure that passes through of piping lane for solve among the correlation technique inconvenient and the protective effect is limited, the limited problem of structural stability of construction.

The application provides the push pipe passes through protective structure that passes through of piping lane under closely, including the symmetry lay the push pipe pass through peripheral atress stake of piping lane and set up the even tie beam on the atress stake, still including a supporting beam and biography power wall, pass power and be equipped with beam hole and thick liquid hole on the wall, and pass power wall and even tie beam and atress stake structure as an organic whole, a supporting beam is installed on passing power on the wall.

Preferably, the connecting beam is divided into a longitudinal connecting beam and a transverse connecting beam, and the longitudinal connecting beam and the transverse connecting beam are arranged at the top of the stressed pile.

Preferably, the stress pile is a rectangular pile, and the short side of the stress pile is parallel to the pipe gallery.

Preferably, the force transmission wall is arranged between the stressed piles in the direction of the pipe gallery and is perpendicular to the long side direction of the stressed piles.

Preferably, the force transmission wall is rectangular, a bridge opening formed by semicircular notches is formed in the bottom edge of the force transmission wall, a plurality of beam holes are formed in the edge of the force transmission wall, and the grout holes are uniformly distributed on the side edge and the lower side of each beam hole.

Preferably, the piping lane below is equipped with the piping lane basis, and the beam hole is in the below on piping lane basis.

Preferably, the beam holes between the force transmission walls on the two sides are transversely drilled and communicated to form through holes, and the grout holes between the force transmission walls on the two sides are symmetrically transversely drilled and are not communicated to form grouting holes.

Preferably, the supporting beam is formed by inserting a reinforcement cage into the through hole and pouring expanded concrete.

Preferably, the connecting beam, the force transmission wall and the stressed pile are all of reinforced concrete structures.

Compared with the prior art, the utility model has the following characteristics and beneficial effect:

1. the utility model discloses an adopt the reinforced concrete overall structure of atress stake, biography power wall and even tie beam, the structure is firm simple, and construction convenience effectively promotes whole anti settlement ability that passes through protective structure.

2. The utility model discloses an adopt the biography power wall that sets up beam hole and thick liquid hole, wherein beam hole and thick liquid hole can confirm the position of perforating hole and slip casting hole fast in advance, are favorable to accurate quick two-way drilling to form perforating hole and slip casting hole, and the construction and the slip casting operation of a supporting beam of being convenient for form the support system fast, reduce the soil pressure when top piping lane is under construction to the ejector pipe, effectively prevent to subside, do benefit to the push pipe construction.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in related arts, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a pass-through protection structure of a top pipe close-distance lower pass-through pipe gallery;

FIG. 2 is a schematic top view of the connecting beam, the force-bearing pile and the force-transmitting wall;

FIG. 3 is a schematic view of a force transfer wall;

FIG. 4 is a schematic top view of the through hole and the force transmission wall;

fig. 5 is a front left side view of fig. 4.

The reference numbers in the figures illustrate: 1. a pipe gallery; 2. jacking pipes; 3. a stressed pile; 4. a transverse tie beam; 5. a support beam; 6. a longitudinal tie beam; 7. a force transmission wall; 9. a through hole; 10. a pipe gallery foundation; 11. grouting holes; 12. a beam hole; 13. slurry holes; 14. a semicircular notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the examples in this application, are within the scope of protection of this application.

It should be understood by those skilled in the art that technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those having ordinary skill in the art to which this application belongs. "connected" or "coupled" and like terms are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect; the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship as shown in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above-described terms are not to be construed as limiting the invention.

Referring to fig. 2, the penetration protection structure for the top pipe close-distance downward-penetrating pipe gallery provided in the embodiment of the present application comprises stressed piles 3 symmetrically arranged on the periphery of the top pipe 2 penetrating the pipe gallery 1, connecting beams arranged on the stressed piles 3, supporting beams 5 and force transmission walls 7, wherein beam holes 12 and grout holes 13 are formed in the force transmission walls 7, the connecting beams and the stressed piles 3 are of an integral structure, and the supporting beams 5 are installed on the force transmission walls 7.

Specifically, the tie beam divide into vertical tie beam 6 and horizontal tie beam 4, and vertical tie beam 6 and horizontal tie beam 4 all set up at 3 tops of atress stake, and vertical tie beam 6 is on a parallel with 1 direction of pipe gallery, and horizontal tie beam 4 is perpendicular to 1 direction of pipe gallery.

Further, atress stake 3 is rectangle stake and its minor face is parallel with piping lane 1, and 3 minimum clear distances of atress stake 3 apart from piping lane 1 are 3 minor face lengths of 1 time atress stake, and 3 clear distances of 3 along the 1 direction of piping lane 3 are 3 times of 2 diameters of push pipes.

Referring to fig. 1-3, the force transfer wall 7 is arranged between the force-bearing piles 3 along the pipe gallery 1 direction and is perpendicular to the long side direction of the force-bearing piles 3, the force transfer wall 7 is rectangular, the bottom edge of the force transfer wall 7 is provided with a bridge opening shape formed by semicircular notches 14, the upper edge of the force transfer wall 7 is provided with a plurality of beam holes 12, slurry holes 13 are uniformly distributed on the side edges and the lower portions of the beam holes 12, a pipe gallery foundation 10 is arranged below the pipe gallery 1, and the beam holes 12 are located below the pipe gallery foundation 10.

Referring to fig. 4 and 5, a beam hole 12 between the force transfer walls 7 on both sides is drilled and penetrated to form a through hole 9, a grout hole 13 between the force transfer walls 7 on both sides is drilled and penetrated to form a grouting hole 11 symmetrically and transversely, and then grouting is performed in the grouting hole 11 to solidify soil and effectively combine with a support beam to enhance the bearing capacity.

Preferably, the supporting beam 5 is formed by inserting a steel reinforcement cage into the through hole 9 and pouring expanded concrete, the supporting beam 5 is used for supporting the pipe gallery 1, and the connecting beam, the force transmission wall 7 and the stressed pile 3 are all of a reinforced concrete structure.

In summary, the penetration protection structure of the pipe jacking close-distance downward-penetrating pipe gallery provided by the embodiment of the application adopts the reinforced concrete integral structure of the stressed pile, the force transmission wall and the connecting beam when in use, has stable and simple structure and convenient construction, and effectively improves the anti-settling capacity of the whole penetration protection structure; meanwhile, the original soil body is mainly used as a template for pouring, so that the earthwork development and the template consumption are greatly reduced, and the method is economical, environment-friendly, efficient and rapid in construction; through adopting the biography power wall that sets up beam hole and thick liquid hole, wherein beam hole and thick liquid hole can confirm the position of perforating hole and slip casting hole in advance fast, are favorable to accurate quick two-way drilling to form perforating hole and slip casting hole, and the construction and the slip casting operation of a supporting beam of being convenient for form the support system fast, reduce the soil pressure when top piping lane is under construction to the ejector pipe, effectively prevent to subside, do benefit to the push pipe construction.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (9)

1. The pipe jacking passes through protective structure under closely, its characterized in that includes: the pipe rack is characterized by comprising stress piles (3) symmetrically arranged on the periphery of a top pipe (2) passing through a pipe gallery (1), connecting beams arranged on the stress piles (3), supporting beams (5) and a force transmission wall (7), wherein beam holes (12) and grout holes (13) are formed in the force transmission wall (7), the connecting beams and the stress piles (3) are of an integrated structure, and the supporting beams (5) are arranged on the force transmission wall (7).

2. The pipe jacking close-distance underpass piping lane penetration protection structure as claimed in claim 1, wherein said tie beams are divided into longitudinal tie beams (6) and transverse tie beams (4), and both the longitudinal tie beams (6) and the transverse tie beams (4) are arranged on the tops of the stressed piles (3).

3. The pipe jacking close-distance underpass pipe gallery penetration protection structure as claimed in claim 1, wherein the stressed piles (3) are rectangular piles and the short sides thereof are parallel to the pipe gallery (1).

4. The pipe-jacking close-distance underpass pipe gallery penetration protection structure as claimed in claim 1, wherein the force transmission wall (7) is arranged between the stressed piles (3) along the direction of the pipe gallery (1) and is perpendicular to the long side direction of the stressed piles (3).

5. The penetrating protection structure of the pipe jacking close-distance downward penetrating pipe gallery according to claim 1, wherein the force transmission wall (7) is rectangular, a bridge opening formed by semicircular notches (14) is formed in the bottom edge of the force transmission wall (7), a plurality of beam holes (12) are formed in the upper edge of the force transmission wall (7), and the grout holes (13) are uniformly distributed on the side edges and the lower portions of the beam holes (12).

6. The pipe jacking close-distance underpass pipe gallery penetration protection structure as claimed in claim 1, wherein a pipe gallery foundation (10) is arranged below the pipe gallery (1), and the beam holes (12) are arranged below the pipe gallery foundation (10).

7. The penetrating protection structure of a pipe jacking close-distance downward penetrating pipe gallery according to claim 1, wherein beam holes (12) between the force transmission walls (7) on the two sides are transversely drilled and penetrated to form through holes (9), and grouting holes (13) between the force transmission walls (7) on the two sides are symmetrically transversely and non-penetrated to form grouting holes (11).

8. The pipe jacking close-distance underpass corridor traversing protection structure according to claim 1, wherein the support beam (5) is formed by inserting a reinforcement cage into the through hole (9) and pouring expanded concrete.

9. The pipe jacking close-distance underpass pipe gallery penetration protection structure as claimed in claim 1, wherein the connecting beam, the force transmission wall (7) and the stressed pile (3) are all reinforced concrete structures.

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