Double-hole box culvert structure

Abstract

The utility model provides a double-hole box culvert structure which comprises box culvert bodies, the box culvert bodies are of a double-hole structure, settlement joints are arranged between the box culvert bodies, a base is laid at the bottom of each box culvert body, and a road structure layer is laid at the top of each box culvert body. An inlet and an outlet of the box culvert body are connected with linear cantilever wing walls and are provided with hole paving structures, and graded broken stone backfill bodies are arranged on the two sides of the box culvert body; according to the double-hole box culvert of the structure, the firmness degree and the service life of the box culvert can be guaranteed, construction can be completed through a conventional construction technology, the overall construction difficulty is low, and the double-hole box culvert is suitable for large-scale application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to box culvert bridge technical field, in particular to a double hole box culvert structure. BACKGROUND

[0002] Box culvert is the culvert with reinforced concrete box pipe section, and the box culvert is generally cast in situ, the bottom layer is arranged in the excavated groove, a layer of concrete cushion is poured, the processed reinforcement is bound on site, the inner and outer forms are supported, the bottom plate and the lower half of the sidewall of larger box culvert are poured first, the reinforcement of the upper part of the sidewall and the top plate is bound, the inner and outer forms are supported, the upper half of the sidewall and the top plate are poured, and the forms are removed when the concrete reaches the required strength, and the soil is backfilled on both sides of the box culvert.

[0003] Although the box culvert technology is very mature, the existing box culvert is mostly single-hole interface, and there are few related patent technologies of double-hole box culvert, therefore, a double-hole box culvert structure is urgently needed to fill the gap in the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a double-hole box culvert structure to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0006] The utility model provides a double-hole box culvert structure, which comprises a box culvert body, the box culvert body adopts a double-hole structure, a settlement joint is arranged between the box culvert bodies, a base is arranged at the bottom of the box culvert body, a road structure layer is arranged at the top of the box culvert body, a one-shaped cantilever wing wall is connected to the inlet and outlet of the box culvert body, and a hole paving structure is arranged, and a graded gravel backfill body is arranged on both sides of the box culvert body.

[0007] Preferably, the box culvert body comprises a culvert body, and two culvert holes are arranged side by side in the middle of the culvert body.

[0008] Preferably, the cross-sectional size of the culvert hole is 4m*6m.

[0009] Preferably, the settlement joint comprises a joint filling plate, water stops and sleeve pipes are arranged on both sides of the joint filling plate, the water stops are connected with structural reinforcement through binding steel wires, an elastic sealing body is arranged at the top of the joint filling plate, and a glass cloth oil felt layer is arranged at the top of the elastic sealing body.

[0010] Preferably, the base comprises a block stone cushion layer, and a plain concrete layer is arranged above the block stone cushion layer.

[0011] Preferably, the thickness of the block stone cushion layer is 50cm, and the thickness of the plain concrete layer is 10cm.

[0012] Preferably, a soil layer is laid between the top of the box culvert body and the road structure layer, and the thickness of the soil layer is 130 cm.

[0013] The utility model discloses have obtained the following beneficial technical effects relative to the prior art:

[0014] The utility model discloses a kind of double-hole box culvert structures, including box culvert body, the box culvert body adopts double-hole structure, settlement joint is equipped between the box culvert body, the bottom of the box culvert body is laid with substrate, the top of the box culvert body is laid with road structure layer, the import and export of the box culvert body are all connected with one type cantilever wing wall, and there is hole opening paving structure, the both sides of the box culvert body are equipped with graded broken stone backfill body;By using the double-hole box culvert of above-mentioned structure can ensure the firm degree and service life of box culvert, and using conventional construction technology can be completed construction, overall construction difficulty is low, it is suitable for wide range of use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is a plane view of the double-hole box culvert structure provided by the utility model;

[0017] Figure 2 It is Figure 1 It is a sectional view along A-A in the middle;

[0018] Figure 3 It is Figure 1 It is a sectional view along B-B in the middle;

[0019] Figure 4 It is a settlement joint structure schematic view in the double-hole box culvert structure provided by the utility model. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following by combining with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0021] The utility model aims at providing a kind of double-hole box culvert structure to solve the problems in prior art.

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1:

[0024] This embodiment provides a double-hole box culvert structure, such as Figures 1-4 As shown, the culvert body 1 is a box culvert body with a double-hole structure. Settlement joints 2 are provided between the box culvert bodies 1. The bottom of the box culvert body 1 is covered with a base 3. The top of the box culvert body 1 is covered with a road structure layer 4. The inlet and outlet of the box culvert body 1 are connected to a straight cantilever wing wall 5 and are provided with an opening paving structure 6. The two sides of the box culvert body 1 are provided with graded crushed stone backfill 7.

[0025] In one embodiment, the box culvert body 1 includes a culvert body 11, and two culvert openings 12 are arranged side by side in the middle of the culvert body 11.

[0026] In one implementation, the cross-sectional dimensions of the culvert 12 are 4m*6m.

[0027] In one embodiment, the settlement joint 2 includes a joint filler plate 21. Waterstops 22 and sleeves 23 are provided on both sides of the joint filler plate 21. The waterstops 22 are connected to the structural steel bars 25 by binding steel wires 24. An elastic sealing body 26 is provided on the top of the joint filler plate 21. A layer of glass cloth felt 27 is laid on the top of the elastic sealing body 26.

[0028] In the aforementioned settlement joint 2, the joint filler 21 is made of polyethylene low-foaming joint filler, the waterstop 22 is made of GRE7 type rubber waterstop, the sleeve 23 is made of 30mm diameter iron sleeve, the inside is filled with asphalt paste, and the elastic sealant 26 is made of PG321 elastic sealant.

[0029] In one embodiment, the base 3 includes a stone cushion layer 31, and a plain concrete layer 32 is laid on top of the stone cushion layer 31.

[0030] In one implementation, the thickness of the rubble cushion layer 31 is 50cm, and the thickness of the plain concrete layer 32 is 10cm.

[0031] In one implementation, a soil cover layer with a thickness of 130cm is laid between the top of the box culvert body 1 and the road structure layer 3.

[0032] This utility model provides a double-hole box culvert structure. By adopting the above-mentioned double-hole box culvert structure, the culvert's sturdiness and service life can be ensured. Moreover, the construction can be completed using conventional construction techniques, and the overall construction difficulty is low, making it suitable for widespread promotion and use.

[0033] The principle and implementation mode of the utility model are described by using specific examples, and the above examples are only used to help understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A twin-box culvert structure, characterized by: The utility model provides box culvert body adopts double hole structure, is equipped with settlement joint between box culvert body, is equipped with base at the bottom of box culvert body, is equipped with road structure layer at the top of box culvert body, the import and export of box culvert body are connected with a type cantilever wing wall wall and are equipped with hole mouth paving structure, and graded gravel backfill body is equipped with on both sides of box culvert body.

2. The twin box culvert structure of claim 1, wherein: The box culvert body comprises a culvert body, and two culvert holes are arranged side by side in the middle of the culvert body.

3. The twin-box culvert structure of claim 2, wherein: The cross-sectional dimension of the culvert hole is 4m*6m.

4. The twin box culvert structure of claim 1, wherein: The settlement joint comprises a joint filling plate, water stops and sleeves are arranged on both sides of the joint filling plate, the water stops are connected with structural steel bars through binding steel wires, an elastic sealing body is arranged on the top of the joint filling plate, and a glass cloth oil felt layer is arranged on the top of the elastic sealing body.

5. The twin box culvert structure according to claim 1, wherein: The base comprises a stone cushion layer, and a plain concrete layer is arranged above the stone cushion layer.

6. The twin box culvert structure of claim 5, wherein: The thickness of the stone cushion layer is 50cm, and the thickness of the plain concrete layer is 10cm.

7. The twin box culvert structure of claim 1, wherein: A soil covering layer is arranged between the top of the box culvert body and the road structure layer, and the thickness of the soil covering layer is 130cm.

Images