CN220079793U - Assembled box corrugated steel plate culvert - Google Patents

Abstract

The utility model discloses an assembled box corrugated steel plate culvert, which comprises plate culverts with a box-shaped cross section, wherein the plate culverts are arranged on a concrete foundation on the ground, each plate culvert is spliced with each other to form a culvert, each plate culvert comprises a vertical first plate, an arc-shaped second plate and a third plate comprising a vertical part and an arc-shaped part, the three plates are spliced with each other to form plate culverts, and the plate culverts of every two adjacent spliced plate culverts face opposite. According to the utility model, the plate culverts are assembled through the three plates, and then the box culverts are formed by mutually splicing the plate culverts, so that the assembled plate culverts can be split, the size of the assembled plate culverts can be reduced, the transportation is convenient, the plate culverts transported once are more, the assembly is convenient after the plate culverts are transported to the site, the cost is reduced, the adjacent plate culverts are opposite in orientation during the assembly, the longitudinal splicing through seam can be avoided, and the tightness of the culverts is improved.

Description

Assembled box corrugated steel plate culvert

Technical Field

The utility model relates to the technical field of culverts, in particular to an assembled box corrugated steel plate culvert.

Background

In highway engineering construction, in order to enable a highway to smoothly pass through a ditch without obstructing traffic, a drainage duct (a water passing channel) is arranged below a roadbed and is built below a road surface, water can flow through the drainage duct through the structure, at present, when the culvert is constructed in the market, the culvert is usually manufactured into a tubular structure or a box structure, namely a section of steel pipe or a U-shaped steel frame is prefabricated, then the steel frame is assembled and constructed on site, the culvert of the tubular structure is characterized by simple structure, but the problems are also numerous, the bearing capacity of a foundation is low due to the tubular structure, larger settlement is easily caused, the floating resistance of the steel structure culvert is poor, and the traditional culvert has good overall structural performance, but has the problems of high cost and large volume, and further causes construction and transportation difficulties, and the problems bring about the construction of the culvert.

Disclosure of Invention

The utility model aims to avoid the defects of the prior art and provides an assembled box corrugated steel plate culvert, thereby effectively solving the defects in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the assembled box corrugated steel plate culvert comprises plate culverts with the cross sections of box structures, wherein the plate culverts are arranged on the concrete foundation of the ground, and all the plate culverts are spliced with each other to form culverts;

the slab culvert comprises a vertical first slab, an arc-shaped second slab and a third slab comprising a vertical part and an arc part, wherein the three slabs are mutually assembled to form the slab culvert, and the slab orientations of every two adjacent spliced slab culverts are opposite.

Further, the four ends of the first plate, the second plate and the third plate are provided with splice flange pieces, and the splice flange pieces are spliced with each other and are connected through bolt fastening.

Further, a sealing gasket is arranged between the spliced flange pieces spliced with each other on each plate.

Further, the plate is made of corrugated steel.

Furthermore, high-strength bolts are implanted on the concrete foundation, and the splicing flange plates at the bottom of the plate culvert are fixedly connected with the high-strength bolts.

Further, a waterproof coiled material is arranged at the position corresponding to the plate culvert on the concrete foundation, and the bottom of the plate culvert is pressed on the waterproof coiled material.

Further, a steel backing plate is arranged above the waterproof coiled material, and the bottom of the plate culvert is pressed on the steel backing plate.

Further, a connecting block is further poured at a position corresponding to the high-strength bolt on the concrete basis, and the connecting block is coated on the outer side of the lower end of the slab culvert.

Further, the waterproof coiled material is glass fiber reinforced polyester felt.

The technical scheme of the utility model has the following beneficial effects: according to the utility model, three plates are assembled into the culvert, and then the plates are spliced with each other to form the box-shaped culvert, so that the assembled culvert can be split, the volume of the culvert can be reduced, the transportation is convenient, the number of the plates transported at a time is more, the assembly is convenient after the plate culvert is transported to the site, the cost is reduced, the adjacent plates are opposite in orientation during the assembly, the longitudinal splicing through seam can be avoided, the tightness of the culvert is improved, moreover, the assembled culvert has strong foundation deformability, low requirements on foundation bearing capacity and flatness, short construction period and convenient site installation, large-scale equipment is not needed, the factory centralized production is realized, the production is not influenced by the environment, the bottom concrete foundation of the plate culvert is connected, and steel is saved; under the condition of the same water flow, the width of the box section is smaller, and the box section is suitable for places with limitation on the width of the field.

Drawings

FIG. 1 is a schematic view of a front view in cross section of an embodiment of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a comparison of adjacent slab culvert splice faces in an embodiment of the utility model;

FIG. 4 is a schematic perspective view of a second plate according to an embodiment of the present utility model;

FIG. 5 is a schematic view of planar splicing of adjacent slab culverts in circumferential direction;

FIG. 6 is a schematic view of the splicing of adjacent splice flange tabs according to a second embodiment of the utility model;

FIG. 7 is an enlarged view of FIG. 6 at B;

fig. 8 is an enlarged view at C in fig. 6.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model can be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that embodiments of the utility model and features of the embodiments may be combined with each other without departing from the scope of the appended claims.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1-5, the assembled box corrugated steel plate culvert of the embodiment comprises a plate culvert 1 with a box structure in section, wherein the plate culvert 1 is arranged on a concrete foundation 2 on the ground, a concrete cushion layer is poured below the concrete foundation 2, and the plate culvert 1 is spliced with each other to form a culvert;

the board culvert 1 includes vertical first slab 1a, curved second slab 1b and contains vertical portion and curved portion's third slab 1c, and the slab of every adjacent two spliced board culverts 1 is opposite to each other to form board culvert 1, and when two board culvert 1 were assembled promptly, the orientation of the first slab 1a and the third slab 1c of two board culverts 1 was opposite, can avoid the butt joint between the seam on two adjacent board culverts 1 like this, is favorable to improving the leakproofness of culvert.

The four ends of the first sheet 1a, the second sheet 1b, and the third sheet 1c are provided with splice flange pieces 3, and the splice flange pieces 3 are spliced with each other and connected by bolt fastening.

The first plate 1a and the second plate 1b are assembled, the second plate 1b and the third plate 1c are assembled, and after the three plates are assembled, the plate culvert 1 with the box structure is formed

A sealing gasket 4 is arranged between the spliced flange pieces 3 spliced with each other on each plate.

Each plate is made of corrugated steel, the strength model of the plate is Q335, the span of the plate culvert 1 is 3300mm, the height of the plate culvert is 3000mm, the wave distance is 381mm, the wave height is 140mm, and the wall thickness is 6mm.

Each plate is subjected to corrosion prevention treatment such as hot galvanizing, the galvanized quantity is not less than 1400g/m < 2 > (double-sided), the average thickness is not less than 98 mu m, the inner and outer spraying emulsified asphalt is carried out after the plate culvert 1 is spliced and molded, and the thickness is not less than 0.5mm.

The concrete foundation 2 is implanted with a high-strength bolt 5, the splicing flange plate 3 at the bottom of the slab culvert 1 is fixedly connected with the high-strength bolt 5, and the implantation depth of the high-strength bolt 5 is not less than 150mm.

The concrete foundation 2 is provided with a waterproof coiled material 6 at the position corresponding to the slab culvert 1, and the bottom of the slab culvert 1 is pressed on the waterproof coiled material 6.

A steel backing plate 7 is arranged above the waterproof coiled material 6, and the bottom of the plate culvert 1 is pressed on the steel backing plate 7.

Connecting blocks 8 are further poured at positions corresponding to the high-strength bolts 5 on the concrete foundation 2, the connecting blocks 8 are coated on the outer sides of the lower ends of the slab culverts 1, and the connecting blocks 8 are 300mm in height and 300mm in width.

Preferably, the waterproof coiled material 6 is glass fiber reinforced polyester felt.

When the construction and installation are carried out, firstly, earth excavation is carried out, and after the site is leveled, a C20 concrete cushion layer with the thickness not less than 100mm is poured; binding steel bars after cushion maintenance is completed, erecting a template, and pouring a concrete foundation 2; after the concrete curing is completed, assembling the slab culvert 1, implanting high-strength bolts 5 at the joint of the concrete foundation 2 and the slab culvert 1, arranging a waterproof coiled material 6 and a steel backing plate 7 at the joint, and fixing by using the high-strength bolts; the assembled slab culvert 1 is spliced on the concrete foundation 2 in turn in a tail-to-tail connection mode, so that a box-shaped culvert is formed, and finally, a connecting block 8 of concrete is poured at the joint of the slab culvert 1 and the concrete foundation 2, so that the slab culvert 1 and the concrete foundation 2 form a whole.

As shown in fig. 6-8, in the second embodiment, a gasket 4 is provided between two adjacent two splicing flange pieces 3, the gasket 4 is in a strip shape, two ends of the gasket 4 are in a contracted pointed structure, the gasket 4 is provided with a raised line 4a at the pointed structure, one side of the splicing flange piece 3, which is attached to the gasket 4, is provided with a profile groove 3a matched with the shape of the gasket, the outer side of the profile groove for placing the raised line 4a is provided with a plurality of tooth grooves 3b along the vertical direction, after the two splicing flange pieces 3 are butted, the profile grooves 3a on two sides form a cavity for accommodating the gasket 4, the size of the gasket 4 is matched with the size of the cavity, the tooth grooves 3b are matched with each other to form a tooth cavity, the thickness of the raised line 4a is greater than the thickness of the tooth cavity, after the two splicing flange pieces 3 are spliced, the profile groove 3a plays a role in limiting retention, and as the thickness of the raised line 4a is greater than the thickness of the tooth cavity, when the two splicing flange pieces 3 are assembled by using bolts, the two splicing flange pieces 3 are screwed together, the profile grooves 3a are extruded by the raised line 4a, and the deformation of the flange pieces can be avoided after the raised line 4a is extruded by the raised line 4a, and the deformation of the flange pieces is avoided, and the deformation of the flange pieces 4 is produced after the raised line 4a is extruded, and the deformation of the flange 4 is produced.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (9)

1. An assembled box corrugated steel plate culvert which is characterized in that: the slab culvert is arranged on a concrete foundation on the ground, and all slab culverts are spliced with each other to form a culvert;

the slab culvert comprises a vertical first slab, an arc-shaped second slab and a third slab comprising a vertical part and an arc part, wherein the three slabs are mutually spliced to form the slab culvert, and the slab orientations of every two adjacent spliced slab culverts are opposite.

2. The fabricated box corrugated steel culvert of claim 1, wherein: the four ends of the first plate, the second plate and the third plate are provided with splicing flange pieces, and the splicing flange pieces are spliced with each other and are connected through bolt fastening.

3. The fabricated box corrugated steel culvert of claim 2, wherein: sealing gaskets are arranged between the spliced flange pieces spliced with each other on each plate.

4. A fabricated box corrugated steel culvert as set forth in claim 3, wherein: each plate is made of corrugated steel.

5. The fabricated box corrugated steel culvert of claim 2, wherein: high-strength bolts are implanted on the concrete foundation, and the splicing flange plates at the bottom of the slab culvert are fixedly connected with the high-strength bolts.

6. The fabricated box corrugated steel culvert of claim 5, wherein: the concrete foundation is provided with a waterproof coiled material at a position corresponding to the plate culvert, and the bottom of the plate culvert is pressed on the waterproof coiled material.

7. The fabricated box corrugated steel culvert of claim 6, wherein: the waterproof coiled material is characterized in that a steel backing plate is arranged above the waterproof coiled material, and the bottom of the plate culvert is pressed on the steel backing plate.

8. The fabricated box corrugated steel culvert of claim 5, wherein: and a connecting block is further poured at the position corresponding to the high-strength bolt on the concrete basis, and the connecting block is coated on the outer side of the lower end of the slab culvert.

9. The fabricated box corrugated steel culvert of claim 6, wherein: the waterproof coiled material is glass fiber reinforced polyester felt.