CN215210624U

CN215210624U - Assembled culvert

Info

Publication number: CN215210624U
Application number: CN202120247027.6U
Authority: CN
Inventors: 金忠良; 于子晏
Original assignee: Jianhua Construction Materials China Co Ltd; Jiangsu Jianhua New Wall Material Co Ltd
Current assignee: Jianhua Construction Materials China Co Ltd; Jiangsu Jianhua New Wall Material Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-17
Anticipated expiration: 2031-01-28

Abstract

The utility model provides an assembled culvert, which relates to the field of concrete prefabrication, and comprises prefabricated wing walls and a prefabricated box culvert, wherein the prefabricated wing walls are arranged on two sides of the prefabricated box culvert and comprise bottom plates, and vertical plates are arranged on the bottom plates; the prefabricated box culvert comprises an inlet section, a standard section and an outlet section which are connected in sequence; one side of the standard section is provided with a bellmouth which protrudes outwards, and the other side of the standard section is provided with an inward-recessed socket. The utility model discloses with the short tube coupling of assembled culvert split for being adapted to on-the-spot equipment of lifting by crane, monomer light in weight adopts the socket joint formula to connect between the culvert, the wholeness is strong with the coordinated deformability. The wing walls and the box culvert side walls are connected by adopting special flexible water stop, and the seepage-proofing performance and the adaptive deformation capacity are strong. Meanwhile, the field installation personnel of the assembly type method only need 4 persons and 1 piece of hoisting equipment, the construction is convenient and efficient, and the requirements of green building development are met.

Description

Assembled culvert

Technical Field

The utility model relates to a precast concrete field, concretely relates to precast concrete assembled culvert technical field.

Background

The cast-in-place box culvert needs a large amount of construction equipment, occupies a large area, has more participators and has potential safety hazards. In addition, the construction period is long, the requirement on weather is high, the construction is not suitable in rainy and snowy weather, and the construction efficiency is low. At present, the height of a culvert in constructional engineering is below 2m, a cast-in-place structure is adopted, and the difficulty in formwork support and formwork removal is high. General prefabricated formula concrete box culvert waterproof performance is poor when whole assembled joint, and two sections structures of connection take place dislocation scheduling problem when can not coordinate the deformation and lead to the concatenation, take place the seepage easily between box culvert and the box culvert, cause the soil body to run off, arouse the road surface to sink.

Patent No. 201920997016.2, published as "split joint construction of prefabricated concrete culvert" in the chinese utility model patent of 2020, 4, 10, discloses a culvert piece, a screw-thread steel bar and a nut; the upper culvert piece and the lower culvert piece are arranged oppositely, and the deformed steel bar is embedded in the lower culvert piece or the upper culvert piece, extends towards the direction vertical to the end face opposite to the upper culvert piece or the lower culvert piece, and protrudes out of the end face of the culvert piece where the deformed steel bar is positioned; corresponding hole sites are arranged on the culvert piece opposite to the deformed steel bar in the lower culvert piece or the upper culvert piece so that the deformed steel bar can penetrate through the corresponding hole sites; the culvert piece penetrated by the threaded steel bar is provided with an installation groove for installing a nut on the threaded steel bar; the size of the nut is larger than the hole position, the size meets the requirement of installation in the installation groove, and the upper culvert piece and the lower culvert piece are reliably connected through the fixation of the nut on the threaded steel rod. The quality of the device can not be guaranteed when the device is spliced quickly, the device is easy to fall off after splicing is completed, and the construction quality is poor.

Patent No. 201920378373.0, disclosing a rapid splicing assembly culvert of the chinese utility model patent "rapid splicing assembly culvert" with the publication date of 2020, 8 months and 14 days, comprising a prefabricated culvert, a splicing groove, a connecting hole, a splicing bulge, a bottom wing plate, a prefabricated pile and a connecting rod, wherein a row of bolt holes are arranged on the side surface of the prefabricated culvert, a corresponding row of bolt holes are arranged on the connecting section of the bottom wing plate, and the bottom wing plate is connected to the side surface of the culvert through bolts; pile inserting holes are formed in the bottom wing plates, and the precast piles are driven into the soil body through the pile inserting holes; the front end of prefabricated culvert sets up the concatenation arch, and the connecting hole is preset at the protruding top of concatenation, and prefabricated culvert end sets up the concatenation recess, and the connecting hole is preset at concatenation recess top, and the concatenation is protruding to be assorted with the concatenation recess, inserts the connecting rod in the connecting hole and pours concrete, and the connecting rod top sets up the closing cap. Although the assembly type culvert can be spliced quickly, the splicing process is complex, the quick-splicing assembly type culvert is connected with all parts of components together through a plurality of bolts, the requirement on installation precision is high, and the time consumption of the splicing process is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided an assembled culvert.

An assembled culvert comprises prefabricated wing walls and a prefabricated box culvert, wherein the prefabricated wing walls are arranged on two sides of the prefabricated box culvert and comprise bottom plates, and vertical plates are arranged on the bottom plates; the prefabricated box culvert comprises an inlet section, a standard section and an outlet section which are connected in sequence; one side of the standard section is provided with a bellmouth which protrudes outwards, and the other side of the standard section is provided with an inward-recessed socket.

Preferably, a first flexible water stop connection is further arranged on the outer sides of the socket and the socket.

Preferably, the first flexible water stop connection comprises a water-swellable adhesive strip.

Preferably, the gaps of the water-swelling adhesive tape are filled with a polyethylene foamed joint sealing plate and polysulfide sealant.

Preferably, the side of the inlet section and the outlet section away from the standard section is further provided with end walls.

Preferably, the vertical plate is perpendicular to the bottom plate.

Preferably, the side surfaces of the inlet section and the outlet section are provided with water stopping grooves, the side walls of the vertical plates are also provided with water stopping grooves, and water stopping copper sheets are further arranged in the water stopping grooves.

Preferably, a second flexible water-stop connection is provided between the prefabricated wing wall and the entrance or exit section.

Preferably, the second flexible water stopping connection comprises water stopping grooves arranged in the inlet section and the outlet section, water stopping copper sheets are arranged in the water stopping grooves, polyethylene foaming joint filling plates are arranged between the water stopping grooves, and asphalt is arranged between the water stopping grooves and the water stopping copper sheets.

The beneficial effects of the utility model are that, an assembled culvert split is for being adapted to the on-the-spot short pipe coupling that lifts by crane equipment, and monomer light in weight adopts the socket joint formula to connect between the culvert, and the wholeness is strong with coordinated deformability. The box culvert rooms and the wing walls are connected with the box culvert side walls through special flexible water stop, and the anti-seepage performance and the adaptive deformation capacity are strong. Meanwhile, the field installation personnel of the assembly type method only need 4 persons and 1 piece of hoisting equipment, the construction is convenient and efficient, the investment of manpower, material resources and financial resources is effectively reduced, and the requirements of green building development are met.

Drawings

FIG. 1 is a top view of the overall structure of an assembled culvert;

FIG. 2 is a longitudinal sectional view of a standard segment;

FIG. 3 is a longitudinal section of the inducer;

FIG. 4 is a longitudinal section of the outlet section;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a cross-sectional view of a prefabricated wing wall;

FIG. 8 is a top plan view of a prefabricated wing wall;

FIG. 9 is an enlarged view of the junction of the box culvert;

figure 10 is an enlarged view of the junction of the wing wall and the box culvert.

The reference numerals in the figures denote the following meanings: 1. prefabricating a wing wall; 2. prefabricating a box culvert; 3. an inlet section; 4. a standard section; 5. an outlet section; 6. a socket; 7. a socket; 8. a water stopping tank; 9. water stopping copper sheets; 10. a vertical plate; 11. a bottom plate, 12 end walls; 13. a water-swellable adhesive tape; 14. polyethylene foamed joint filling plates; 15. two-component polysulfide sealant; 16. and (3) asphalt.

Detailed Description

The utility model provides an assembled culvert, includes prefabricated wing wall 1 and prefabricated box culvert 2, prefabricated box culvert 2 includes inlet segment 3, standard section 4 and export section 5, inlet segment 3, standard section 4 and export section 5 end to end connection in proper order, prefabricated wing wall 1 sets up respectively in the both sides of inlet segment 3 and export section 5. The inlet section 3, the standard section 4 and the outlet section 5 are connected through bell sockets, the bell sockets are connected through flexible water stopping, specifically, two water-swelling adhesive tapes 13 are pasted on the inner side and the outer side of the bell sockets, gaps are filled with polyethylene foaming joint filling plates 14 after splicing, and finally, two-component polysulfide sealant 15 is used for filling to form an anti-seepage system between boxes and culverts.

As shown in fig. 1, which is a top view of the overall structure of an assembled culvert, an inlet section 3, a standard section 4 and an outlet section 5 are sequentially connected end to end, and the prefabricated wing walls 1 are divided into two groups, which are respectively connected with two sides of the inlet section 3 and the outlet section 5 to play a role of retaining soil.

As shown in fig. 2, which is a longitudinal sectional view of the standard segment 4, one end surface of the standard segment 4 is provided with an inward concave socket 7, the other end is provided with an outward convex socket 6, and the standard segments 4 are connected through the socket 6-the socket 7.

As shown in fig. 3 and 4, which are longitudinal sectional views of the inlet section 3 and the outlet section 5, respectively, an upwardly convex end wall 12 is provided on the side of the inlet section 3 and the outlet section 5 facing away from the standard section 4, and the end wall 12 is used for supporting an upper road surface.

As shown in fig. 5 and 6, which are cross sectional views of the inlet section 3 and the outlet section 5 in the directions of a-a and B-B, respectively, a water stopping groove 8 is arranged on the side surface of the inlet section 3 and the outlet section 5, and a water stopping copper sheet can be inserted into the water stopping groove 8.

As shown in fig. 7, the prefabricated wing wall 1 includes a vertical plate 10 and a bottom plate 11, the bottom plate 11 is horizontal, and the vertical plate 10 and the bottom plate 11 are perpendicular to each other.

As shown in fig. 8, a water stopping groove 8 is provided on the side wall of the vertical plate 10, and a water stopping copper sheet can be inserted into the water stopping groove 8.

As shown in fig. 9, the prefabricated box culverts 2 are connected by using sockets 7 and sockets 6, specifically, the sockets 7 and sockets 6 are connected by using flexible water-stop, two water-swelling adhesive tapes 13 are adhered to the inner and outer sides of the

sockets

7 and 6, gaps are filled with polyethylene foam caulking plates 14 after splicing, and finally, a two-component polysulfide sealant 15 is used for filling to form an anti-seepage system between the box culverts.

As shown in fig. 10, an enlarged view of the joint of the wing wall and the box culvert, a construction flow of the fabricated culvert is as follows: after culvert foundation trench excavation, carry out concrete cushion construction and flattening, earlier location installation import section or export section box culvert, the workman holds the crowbar location at four angular points of box culvert during the installation, then installs each section box culvert in proper order, before the installation of next section box culvert, should earlier hold socket department's clay twice stagnant water adhesive tape at the installed box culvert to fill in the reinforcing bar in top and both sides, pack into the polyethylene foaming joint-filling board in the gap after assembling and finish, the two ingredient polysulfide sealing pastes are poured into in the border gap. And finally, positioning and installing the wing walls at the upper and lower positions, inserting a water-stopping copper sheet into the trapezoidal water-stopping groove, inserting a foaming joint-filling plate into the joint, and finally pouring asphalt or asphalt mortar. And after the joint filling treatment of all the connecting joints is finished, backfilling a foundation trench and constructing an upper road.

Claims

1. An assembled culvert comprises prefabricated wing walls (1) and prefabricated box culverts (2), wherein the prefabricated wing walls (1) are arranged on two sides of the prefabricated box culverts (2), and the assembled culvert is characterized in that the prefabricated wing walls (1) comprise bottom plates (11), and vertical plates (10) are arranged on the bottom plates (11); the prefabricated box culvert (2) comprises an inlet section (3), a standard section (4) and an outlet section (5) which are connected in sequence; one side of the standard section (4) is provided with a bellmouth (6) protruding outwards, and the other side is provided with a socket (7) recessed inwards.

2. Fabricated culvert according to claim 1, characterized in that a first flexible water stop connection is also provided outside the socket (6) and the socket (7).

3. The fabricated culvert according to claim 2, characterized in that the first flexible water stop connection comprises a water-swellable adhesive strip (13).

4. The fabricated culvert according to claim 3, characterized in that gaps of the water-swellable adhesive tape (13) are filled with a polyethylene foam caulking plate (14) and a polysulfide sealant (15).

5. Fabricated culvert according to claim 1, characterized in that the side of the inlet section (3) and the outlet section (5) facing away from the standard section (4) is further provided with end walls (12).

6. The fabricated culvert according to claim 1, characterized in that the risers (10) are perpendicular to the floor (11).

7. The fabricated culvert according to claim 1, wherein water stopping grooves (8) are formed in the side surfaces of the inlet section (3) and the outlet section (5), the water stopping grooves (8) are further formed in the side walls of the vertical plates (10), and water stopping copper sheets are further arranged in the water stopping grooves (8).

8. Assembly culvert according to claim 7, characterized in that a second flexible water-stop connection is provided between the prefabricated wing walls (1) and the inlet section (3) or the outlet section (5).

9. The fabricated culvert according to claim 8, wherein the second flexible water-stop connection comprises water-stop grooves (8) arranged in the inlet section (3) and the outlet section (5), wherein water-stop copper sheets are arranged in the water-stop grooves (8), polyethylene foam joint-filling plates (14) are arranged between the water-stop grooves (8), and asphalt is arranged between the water-stop grooves (8) and the water-stop copper sheets.