CN210194677U

CN210194677U - Underground prefabricated comprehensive pipe gallery

Info

Publication number: CN210194677U
Application number: CN201920702821.8U
Authority: CN
Inventors: Min Yin; 殷敏; Zengshui Yang; 杨增水; Guolong He; 何国龙
Original assignee: Shanghai Port City Construction And Installation Engineering Co ltd
Current assignee: Shanghai Port City Construction And Installation Engineering Co ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-27
Anticipated expiration: 2029-05-15

Abstract

The utility model relates to a prefabricated pipe gallery field especially relates to an underground prefabricated comprehensive pipe gallery, including the pipe gallery body, the pipe gallery body includes roof and bottom plate that the level set up to and vertically locate intermediate lamella, the curb plate between roof and bottom plate, the intermediate lamella both sides respectively are equipped with a curb plate, the intermediate lamella includes upper intermediate lamella and lower intermediate lamella, upper intermediate lamella bottom surface and lower intermediate lamella top surface cast-in-place are connected; the curb plate includes top plate and lower side plate, and the top plate bottom surface is connected with lower side plate top surface cast in situ. The utility model reduces the number of the required pipe gallery bodies, namely the number of the connecting nodes between the adjacent pipe gallery bodies, thereby reducing the water seepage probability; the butt joint accuracy of the upper and lower sections of pipe gallery bodies is improved by the matched insertion of the positioning block and the positioning groove.

Description

Underground prefabricated comprehensive pipe gallery

Technical Field

The utility model belongs to the technical field of prefabricated pipe gallery and specifically relates to a prefabricated utility tunnel in underground.

Background

Because the traditional directly buried pipeline occupies more underground space of a road, and the laying of the pipeline cannot be synchronized with the construction of the road, the road is frequently dug, the normal passing of the road is seriously influenced, and the problems of serious noise, dust emission and other environmental pollution are also brought, so that great inconvenience is brought to the traffic and life of people.

In order to solve the problems, the utility tunnel structure for laying underground pipelines appears. The existing cast-in-place underground pipe gallery needs working procedures such as reinforcing steel bar processing and binding, formwork erecting, concrete pouring, maintaining and formwork removing on a construction site, so that the construction working procedures are complex, the construction period is long, and the problems of large raw material storage, factory site processing and the like are also caused.

In order to solve the construction defect of cast in situ formula piping lane, integral prefabricated piping lane structure and prefabricated piping lane structure of assembled have appeared. The integral prefabricated pipe gallery is often large in size and weight, and transportation and on-site hoisting from a factory to a construction site are extremely inconvenient. And the existing assembly type structure pipe gallery is too many because of the assembled structural components, the assembly structure stability is poor, the force transmission effect is not good, and the defects of water seepage and the like in the pipe gallery caused by the damage of the joint structure and the damage of the sealing structure are easy to occur.

The size of the cross section of the double-cabin comprehensive pipe gallery used in the current engineering is 5700mm multiplied by 3500mm (width multiplied by height), the thicknesses of a top plate, a bottom plate and a side wall of the pipe gallery are all 0.4m, and the length of each pipe gallery is 1500mm and the weight is about 31.14 t. It is thus clear that every pipe gallery is longer, then weight is big more, for convenient hoist and mount (the weight of control single-unit pipe gallery), prefabricated pipe gallery single section length control is about 1500 mm. In the utility model discloses a few kilometers of utility tunnel construction engineering, the connected node between the adjacent piping lane is also more, and the more connected node, and the infiltration probability is big more.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an underground prefabricated utility tunnel, it has the effect that reduces connected node between the piping lane.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an underground prefabricated comprehensive pipe gallery comprises a pipe gallery body, wherein the pipe gallery body comprises a top plate and a bottom plate which are horizontally arranged, and a middle plate and side plates which are vertically arranged between the top plate and the bottom plate; the curb plate includes top plate and lower side plate, and the top plate bottom surface is connected with lower side plate top surface cast in situ.

By adopting the technical scheme, the pipe gallery body is prefabricated into the upper section and the lower section, and the half pipe gallery body is lengthened, so that the half pipe gallery body is equal to the original pipe gallery body in weight, the field hoisting cannot be influenced, and the upper half pipe gallery body and the lower half pipe gallery body are integrated by concrete after being transported to the field; and half piping lane body extension back, the piping lane body quantity that needs reduces, consequently the connected node quantity between the adjacent piping lane body also reduces to the infiltration probability has been reduced.

Preferably, the bottom surface edge of going up the intermediate lamella is equipped with the round sand grip, and the sand grip bottom surface is flatly pasted with the top surface of lower intermediate lamella, and the sand grip side is equipped with the injected hole, and the injected hole leads to the space that the sand grip encloses with last intermediate lamella, lower intermediate lamella.

Through adopting above-mentioned technical scheme, to the downthehole concrete that pours into of slip casting, can make middle slab and lower middle slab be connected as an organic whole, the sand grip plays the effect of enclosing fender concrete.

Preferably, the top surface central authorities of intermediate lamella are equipped with the cuboid recess along top surface length direction down, and the bottom surface central authorities of going up the intermediate lamella are equipped with the cuboid lug along bottom surface length direction, and the cuboid lug is inserted in the cuboid recess, and the length and the width of cuboid lug all are less than the cuboid recess.

Through adopting above-mentioned technical scheme, because the cuboid lug is inserted in the cuboid recess, and both are even as an organic whole through the concrete, can improve the ability that the piping lane body bore horizontal shear force.

Preferably, vertical through holes are correspondingly formed in the upper side plate and the lower side plate, the through holes penetrate through the top plate upwards, and the through holes are used for field grouting.

Through adopting above-mentioned technical scheme, the scene is in the pipe gallery body top to the through-hole internal grout, forms the cylinder in the through-hole, and this cylinder links as an organic whole with the pipe gallery body, can realize the connection of two upper and lower halves pipe gallery bodies.

Preferably, the bottom surface of the upper side plate and the top surface of the lower side plate are mutually matched and inclined, the edge of the bottom surface of the upper side plate is provided with a circle of stop dog, the bottom surface of the stop dog is flatly attached to the top surface of the lower side plate, a plurality of through holes are equidistantly arranged in the length direction of the bottom surface of the upper side plate, and the through holes are arranged at the highest positions of the bottom surface of the upper side plate and the top surface of the lower side.

Through adopting above-mentioned technical scheme, the dog expends the space between the bottom surface of last curb plate and the top surface of lower curb plate, and when grout in to the through-hole, the thick liquid is full of this clearance along the inclined plane to even be as an organic whole with last curb plate and lower curb plate.

Preferably, a plurality of steel bars are inserted into the through holes.

Through adopting above-mentioned technical scheme, the concrete in a plurality of reinforcing bars and the through-hole forms reinforced concrete structure, has strengthened the ability that the pipe gallery body resisted horizontal shear force.

Preferably, the bottom surface of the upper side plate and the top surface of the lower side plate are in a mutually matched horizontal shape, a circle of stop blocks are arranged at the edge of the bottom surface of the upper side plate, and a plurality of through holes are equidistantly arranged in the length direction of the bottom surface of the upper side plate; the top surface of lower plate is equipped with straight quadrangular prism lug, and the bottom surface of straight quadrangular prism lug is the top surface of lower plate, and the top surface and the bottom surface of straight quadrangular prism lug are parallel, and the through-hole is located the top surface of straight quadrangular prism lug, and the bottom surface of dog is flatly pasted with the surface that straight quadrangular prism lug is up, and the bottom surface and the straight quadrangular prism lug of upper plate are facial features cooperation up.

Through adopting above-mentioned technical scheme, the dog expends the space between the bottom surface of last curb plate and the top surface of lower curb plate, and when grout in to the through-hole, the thick liquid is full of this clearance along the surface that straight quadrangular lug upwards to even as an organic whole with last curb plate and lower curb plate.

Preferably, the top surface of the straight quadrangular prism bump is provided with a positioning block, the bottom surface of the upper side plate is correspondingly provided with a positioning groove, and the positioning block is matched with the positioning groove in shape.

Through adopting above-mentioned technical scheme, utilize the cooperation of locating piece and constant head tank to peg graft, improved the butt joint degree of accuracy of side panel and lower plate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the pipe gallery body is prefabricated into the lengthened plate by the upper section and the lower section, so that the number of the required pipe gallery bodies is reduced, namely the number of connecting nodes between the adjacent pipe gallery bodies is reduced, and the water seepage probability is reduced;

2. the butt joint accuracy of the upper and lower sections of pipe gallery bodies is improved by the matched insertion of the positioning block and the positioning groove.

Drawings

FIG. 1 is a schematic structural view of a pipe gallery body of an underground prefabricated comprehensive pipe gallery in embodiment 1;

FIG. 2 is a structural schematic view of the upper half of the piping lane body of FIG. 1;

FIG. 3 is a schematic structural view of the lower half of the pipe gallery body in FIG. 1;

FIG. 4 is a schematic structural view of a pipe gallery body of the underground prefabricated comprehensive pipe gallery in embodiment 2;

FIG. 5 is a schematic view of the lower half of the piping lane body of FIG. 4;

fig. 6 is a structural schematic view of the upper half of the pipe gallery body in fig. 4.

In the figure, 1, a pipe gallery body; 1a, a through hole; 2. a top plate; 3. a middle plate; 31. an upper intermediate plate; 31a, convex strips; 31b, cuboid bumps; 31c, grouting holes; 32. a lower middle plate; 32a, a cuboid groove; 4. a side plate; 41. an upper side plate; 41a, a stop block; 41b, a positioning groove; 42. a lower side plate; 42a, a straight quadrangular prism bump; 42b, a positioning block; 5. a base plate; 6. and (5) reinforcing steel bars.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: fig. 1 is the utility model discloses a prefabricated utility tunnel in underground, including piping lane body 1, the roof 2 and the 5 integrated into one piece of bottom plate that the piping lane body 1 set up by last extremely down the level are connected with a vertical intermediate lamella 3 and two blocks of curb plates 4 between roof 2 and the bottom plate 5, and two blocks of curb plates 4 are about 3 symmetries of intermediate lamella. The middle plate 3 and the side plate 4 are divided into an upper section and a lower section, the middle plate 3 is divided into an upper middle plate 31 and a lower middle plate 32, the upper middle plate 31 and the top plate 2 are integrally formed, and the lower middle plate 32 and the bottom plate 5 are integrally formed; the side plate 4 is divided into an upper side plate 41 and a lower side plate 42, the upper side plate 41 is integrally formed with the top plate 2, and the lower side plate 42 is integrally formed with the bottom plate 5. The bottom surface of the upper side plate 41 and the top surface of the lower side plate 42 are cast in place at the construction site, and the bottom surface of the upper middle plate 31 and the top surface of the lower middle plate 32 are cast in place at the construction site.

Referring to fig. 1 and 2, the bottom surface of the upper middle plate 31 and the top surface of the lower middle plate 32 are both horizontal, a circle of convex strips 31a is arranged on the edge of the bottom surface of the upper middle plate 31, the bottom surfaces of the convex strips 31a are flatly attached to the top surface of the lower middle plate 32, grouting holes 31c are preset in the side surfaces of the convex strips 31a, and the grouting holes 31c are communicated with the space surrounded by the convex strips 31a, the upper middle plate 31 and the lower middle plate 32. The ridge 31a forms a gap between the bottom surface of the upper intermediate plate 31 and the top surface of the lower intermediate plate 32, and concrete is injected into the gap through the injection hole 31c, so that the upper intermediate plate 31 and the lower intermediate plate 32 are integrally connected, and the ridge 31a functions as a dam for the concrete.

With reference to fig. 2 and 3, a rectangular parallelepiped groove 32a is preformed in the center of the top surface of the lower middle plate 32, and the rectangular parallelepiped groove 32a is disposed along the length direction of the lower middle plate 32; a cuboid bump 31b is prefabricated in the center of the bottom face of the upper middle plate 31, the cuboid bump 31b is inserted into the cuboid groove 32a, and gaps exist between the periphery of the cuboid bump 31b and the four walls of the cuboid groove 32 a. When grout is injected into the grouting holes 31c, the cuboid bumps 31b and the cuboid grooves 32a are connected into a whole through concrete, and the capacity of bearing horizontal shear force of the pipe gallery body 1 can be improved.

As shown in fig. 1, a row of a plurality of vertical through holes 1a are correspondingly arranged in the upper side plate 41 and the lower side plate 42, the through holes 1a are equidistantly distributed along the length direction of the pipe rack body 1, and the through holes 1a upwards penetrate through the top plate 2.

Referring to fig. 2 and 3, the bottom surface of the upper plate 41 and the top surface of the lower plate 42 are mutually inclined (inclined along the width direction of the pipe rack body 1), and the through hole 1a is located at the highest position of the bottom surface of the upper plate 41 and the highest position of the top surface of the lower plate 42. The edge of the bottom surface of the upper side plate 41 is provided with a circle of stop blocks 41a, and the bottom surface of the stop blocks 41a is flatly attached to the top surface of the lower side plate 42. Grouting into the through hole 1a at the top of the pipe gallery body 1 on site, and forming a column in the through hole 1a, wherein the column connects the upper side plate 41 and the lower side plate 42 into a whole. The stopper 41a extends a gap between the bottom surface of the upper side plate 41 and the top surface of the lower side plate 42, and when grouting is performed into the through-hole 1a, the gap is filled with grout along the inclined surface. A plurality of steel bars 6 (shown in figure 1) are inserted into each through hole 1a, the steel bars 6 and the concrete in the through holes 1a form a reinforced concrete structure, and the horizontal shearing force resistance of the pipe gallery body 1 is enhanced.

The implementation principle of the embodiment is as follows: the pipe gallery body 1 is prefabricated in an upper section and a lower section, and the half pipe gallery body 1 is lengthened, so that the half pipe gallery body 1 is equivalent to the original pipe gallery body 1 in weight, the field hoisting cannot be influenced, and the upper half pipe gallery body 1 and the lower half pipe gallery body 1 are integrated by concrete after being transported to the field; and half piping lane body 1 extension back, the 1 quantity of piping lane body that needs reduces, consequently the connected node quantity between the adjacent piping lane body 1 also reduces to the infiltration probability has been reduced.

Example 2: an underground prefabricated comprehensive pipe gallery is different from the embodiment 1 in that, as shown in fig. 4, the bottom surface of an upper side plate 41 and the top surface of a lower side plate 42 are in a horizontal shape matched with each other.

As shown in fig. 5, a straight quadrangular prism bump 42a is preformed on the top surface of the lower side plate 42, the bottom surface of the straight quadrangular prism bump 42a is the horizontal top surface of the lower side plate 42, the through hole 1a is located on the top surface of the straight quadrangular prism bump 42a (the top surface and the bottom surface of the straight quadrangular prism bump 42a are two mutually parallel side surfaces of a straight quadrangular prism), the bottom surface of the stopper 41a (see fig. 6) is flatly attached to the upward surface of the straight quadrangular prism bump 42a, and the stopper 41a plays a role in blocking the slurry.

As shown in fig. 6, the bottom surface of the upper side plate 41 is in shape fit with the upward surface of the straight quadrangular prism projection 42a, and the stopper 41a opens a gap between the bottom surface of the upper side plate 41 and the upward surface of the straight quadrangular prism projection 42a, and when grouting into the through-hole 1a, the grout fills the gap along the surface of the straight quadrangular prism projection 42a, thereby connecting the upper side plate 41 and the lower side plate 42 into a whole.

As shown in fig. 5, a positioning block 42b is preformed on the top surface of the rectangular protrusion 42a, as shown in fig. 6, a positioning groove 41b is preformed on the bottom surface of the upper side plate 41, and when the upper side plate 41 is connected to the lower side plate 42, the positioning block 42b is fittingly inserted into the positioning groove 41 b. The matching and inserting of the positioning block 42b and the positioning groove 41b are utilized, so that the butting accuracy of the upper side plate 41 and the lower side plate 42 is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an underground prefabricated utility tunnel, includes pipe gallery body (1), and pipe gallery body (1) is including roof (2) and bottom plate (5) that the level set up to and vertical intermediate lamella (3), curb plate (4) of locating between roof (2) and bottom plate (5), intermediate lamella (3) both sides respectively are equipped with a curb plate (4), its characterized in that: the middle plate (3) comprises an upper middle plate (31) and a lower middle plate (32), and the bottom surface of the upper middle plate (31) is connected with the top surface of the lower middle plate (32) in a cast-in-situ manner; the side plate (4) comprises an upper side plate (41) and a lower side plate (42), and the bottom surface of the upper side plate (41) is connected with the top surface of the lower side plate (42) in a cast-in-place mode.

2. The underground prefabricated utility tunnel of claim 1, wherein: the edge of the bottom surface of the upper middle plate (31) is provided with a circle of convex strips (31 a), the bottom surfaces of the convex strips (31 a) are flatly attached to the top surface of the lower middle plate (32), the side surfaces of the convex strips (31 a) are provided with grouting holes (31 c), and the grouting holes (31 c) are communicated with a space surrounded by the convex strips (31 a), the upper middle plate (31) and the lower middle plate (32).

3. The underground prefabricated utility tunnel of claim 2, wherein: the top surface central authorities of lower intermediate lamella (32) are equipped with cuboid recess (32 a) along top surface length direction, and the bottom surface central authorities of going up intermediate lamella (31) are equipped with cuboid lug (31 b) along bottom surface length direction, and cuboid lug (31 b) are inserted in cuboid recess (32 a), and the length and the width of cuboid lug (31 b) all are less than cuboid recess (32 a).

4. The underground prefabricated utility tunnel of claim 1, wherein: the upper side plate (41) and the lower side plate (42) are internally and correspondingly provided with vertical through holes (1 a), the through holes (1 a) upwards penetrate through the top plate (2), and the through holes (1 a) are used for field grouting.

5. The underground prefabricated utility tunnel of claim 4, wherein: the bottom surface of the upper side plate (41) and the top surface of the lower side plate (42) are in an inclined shape matched with each other, a circle of stop block (41 a) is arranged at the edge of the bottom surface of the upper side plate (41), the bottom surface of the stop block (41 a) is flatly attached to the top surface of the lower side plate (42), a plurality of through holes (1 a) are equidistantly arranged in the length direction of the bottom surface of the upper side plate (41), and the through holes (1 a) are arranged at the highest positions of the bottom surface of the upper side plate (41) and the top surface of the lower.

6. The underground prefabricated utility tunnel of claim 5, wherein: a plurality of steel bars (6) are inserted into the through holes (1 a).

7. The underground prefabricated utility tunnel of claim 4, wherein: the bottom surface of the upper side plate (41) and the top surface of the lower side plate (42) are mutually matched and horizontal, a circle of stop blocks (41 a) are arranged on the edge of the bottom surface of the upper side plate (41), and a plurality of through holes (1 a) are equidistantly arranged in the length direction of the bottom surface of the upper side plate (41); the top surface of lower plate (42) is equipped with straight quadrangular prism lug (42 a), the bottom surface of straight quadrangular prism lug (42 a) is the top surface of lower plate (42), the top surface and the bottom surface of straight quadrangular prism lug (42 a) are parallel, through-hole (1 a) is located the top surface of straight quadrangular prism lug (42 a), the bottom surface and the straight quadrangular prism lug (42 a) of dog (41 a) upwards surface flush joint, the bottom surface and the straight quadrangular prism lug (42 a) of upper plate (41) upwards surface shape cooperation.

8. The underground prefabricated utility tunnel of claim 7, wherein: the top surface of the straight quadrangular prism bump (42 a) is provided with a positioning block (42 b), the bottom surface of the upper side plate (41) is correspondingly provided with a positioning groove (41 b), and the positioning block (42 b) is matched with the positioning groove (41 b) in shape.