CN214613667U - Open type corrugated steel culvert structure - Google Patents

Open type corrugated steel culvert structure Download PDF

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Publication number
CN214613667U
CN214613667U CN202120329562.6U CN202120329562U CN214613667U CN 214613667 U CN214613667 U CN 214613667U CN 202120329562 U CN202120329562 U CN 202120329562U CN 214613667 U CN214613667 U CN 214613667U
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culvert
layer
corrugated
concrete
corrugated steel
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CN202120329562.6U
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Inventor
骆永震
许江波
李捷
韩馨
费东阳
韩丽娟
郭昆
梁俊伟
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Changan University
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Changan University
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Abstract

The utility model discloses an open type corrugated steel culvert structure, which comprises a culvert main body, a holding force soil layer and a first broken stone cushion layer, wherein the first broken stone cushion layer is arranged on the holding force soil layer, a reinforced concrete layer is arranged on the first broken stone cushion layer, the reinforced concrete layer is provided with a downward sinking and filling area, two sides of the filling area are respectively fixed with a concrete base, each concrete base is provided with a slide rail, and the bottoms of two sides of the culvert main body are arranged at the slide rail through the sliding of a roller component; the method has the advantages of solving the problems of complicated working procedures and low construction efficiency in the construction process of the existing culvert, realizing on-site rapid construction, reducing the input of manpower and equipment, reducing the manufacturing cost and ensuring the normal operation of roads in the construction process.

Description

Open type corrugated steel culvert structure
Technical Field
The utility model relates to a highway culvert technical field especially relates to an open type corrugated steel culvert structure.
Background
The corrugated pipe culvert is also called a metal corrugated pipe culvert or a steel corrugated pipe culvert, and is a threaded corrugated pipe for a culvert buried under a road and a railway, the corrugated pipe culvert is a circular corrugated pipe which is made of a corrugated metal plate in a rolling mode or spliced by semicircular corrugated steel sheets, the environmental protection consciousness is gradually enhanced along with the gradual reduction of the price difference of domestic steel materials relative to sandstone and cement materials, the production and processing technology of steel materials is gradually improved, and the corrugated steel pipe culvert has the characteristics of good stress performance, strong adaptability, short construction period, long service life and good driving comfort, and is increasingly widely applied to domestic highway and municipal construction.
Corrugated steel culvert that construction was found at present is mostly reinforced concrete pouring shaping, not only increase the destruction degree of building rubbish to the environment, construction period is longer simultaneously, construction cost is higher, and also be convenient for the maintenance in later stage, in addition, the culvert is at the in-process of work, the phenomenon of water infiltration takes place easily, and receive the erosion and corrosion of water, make the life of its culvert reduce, corrugated steel plate adopts the form of on-the-spot assembly more, mainly adopt the artifical mode of setting up simple and easy scaffold of crane cooperation to go on in the construction of assembling, this type of method often the construction process is loaded down with trivial details, the efficiency of construction is low, piece overlap joint operation is difficult to control, manual work and equipment input are great, and the normal operation of the unable guarantee road of work process.
Disclosure of Invention
In order to solve the not enough of existence among the above-mentioned prior art, the utility model provides an open type corrugated steel culvert structure, it has solved the problem that the process is loaded down with trivial details, the efficiency of construction is low in present culvert work progress, realizes on-the-spot quick construction, reduces the input of manpower and equipment, has reduced the cost, and can ensure the normal operation of road in the work progress.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an open type corrugated steel culvert structure, includes culvert main part, holds power soil layer and first rubble bed course, first rubble bed course set up hold power soil layer on, first rubble bed course on be provided with reinforced concrete layer, reinforced concrete layer have earlier on sunken filling region that is formed with, filling region's both sides be fixed with the concrete base respectively, every the concrete base on install the slide rail, the bottom of culvert main part both sides locate through the sliding of roller components slide rail department.
The concrete foundation structure is characterized in that a second broken stone cushion layer, a sand cushion layer, a geotextile layer and an asphalt waterproof layer are sequentially arranged above the reinforced concrete layer from bottom to top, and the second broken stone cushion layer, the sand cushion layer, the geotextile layer and the asphalt waterproof layer are both positioned between the two concrete bases. In this structure, second rubble bed course adopts the material the same with first rubble bed course, the sand bed course of building on the second rubble bed course, and its thickness is 30% of second rubble bed course, and its main function is to fill second rubble bed course space and guarantee that the surfacing, if clean geotechnological cloth layer covers on the sand bed course, prevents on the one hand that water infiltration basis from causing the destruction, and the pitch waterproof layer construction of being convenient for on the other hand, and pitch waterproof layer's setting plays further waterproof effect.
The roller assembly comprises a bearing plate and a roller body, the bearing plate is fixed at the bottom of the culvert main body, the roller body is rotatably connected with the bearing plate, and the roller body is embedded into the sliding rail. In the structure, the bearing plate is connected with the culvert body in a welding mode, so that the reliable connection of the bearing plate is ensured, the roller body can be rotatably connected with the bearing plate and is embedded in the slide rail, so that the manpower required by transportation is greatly saved, and the aim of quick installation is fulfilled,
the concrete base on be provided with the boss, one side of boss with the concrete base between be fixed with an angle steel, the slide rail vertical fixation be in the angle steel on. In this structure, boss and concrete base integrated into one piece have guaranteed the intensity of boss like this, also for preventing that the reinforced concrete base from receiving transverse thrust to destroy simultaneously, the setting of angle steel then causes stress concentration for preventing to contain the foot puncture reinforced concrete base, and the angle steel adopts high strength bolt to fix.
The other side of the boss and the concrete base are provided with a support steel rod which is distributed obliquely, and two ends of the support steel rod are fixed with the boss and the concrete base through high-strength bolts respectively. In the structure, the arrangement of the supporting steel rods is used for further preventing the boss from being damaged by transverse thrust, and the effect of supporting the boss is achieved, so that the concrete base is protected.
The culvert body is formed by splicing a plurality of corrugated steel pipes, and the corrugated steel pipes are one of horseshoe-shaped corrugated pipes, pear-shaped corrugated pipes, semicircular corrugated pipes, circular corrugated pipes, elliptic corrugated pipes or pipe arch type corrugated pipes. The corrugated steel pipe culvert construction method has the advantages that the corrugated steel pipe culvert construction method is convenient to assemble in sections, the adjusting mode is flexible, the shape of the outer wall of the corrugated steel pipe is matched with the shape of the inner wall of the culvert to be constructed, and the specific selection is adjusted according to actual construction requirements.
The compressive strength of the concrete base is not lower than C60, the height of the concrete base is h, the thickness of the second gravel cushion layer is 0.5-0.7h, the thickness of the sand cushion layer is 0.15-0.25h, and the thickness of the asphalt waterproof layer is 0.2-0.3 h.
Compared with the prior art, the utility model has the advantages of: the arrangement of the reinforced concrete layer is beneficial to enhancing the integral structural strength; the two concrete bases are arranged to provide positions for mounting the sliding rails, and reliable compressive strength can be ensured; the arrangement of the roller components is beneficial to the culvert main body to slide in the slide rail, thereby reducing the manpower and the equipment investment and realizing the purpose of quickly assembling the culvert main body; the utility model discloses effectively realized the demand of constructing fast to the culvert, solved the problem that the process is loaded down with trivial details, the efficiency of construction is low in present corrugated steel plate culvert work progress, realized on-the-spot quick construction, reduced the cost, and can ensure the normal operation of road in the work progress.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto.
The first embodiment is as follows: as shown in the figure, an open type corrugated steel culvert structure, including culvert main part 1, hold power soil layer 2 and first rubble bed course 3, first rubble bed course 3 sets up on holding power soil layer 2, be provided with reinforced concrete layer 4 on the first rubble bed course 3, reinforced concrete layer 4 has earlier on downward sunken filling region that is formed with, filling region's both sides are fixed with concrete base 5 respectively, install slide rail 51 on every concrete base 5, slide rail 51 department is located in the bottom of culvert main part 1 both sides through roller components 6 slip.
A second gravel cushion layer 71, a sand cushion layer 72, a geotextile layer 73 and an asphalt waterproof layer 74 are sequentially arranged above the reinforced concrete layer 4 from bottom to top, and the second gravel cushion layer 71, the sand cushion layer 72, the geotextile layer 73 and the asphalt waterproof layer 74 are all positioned between the two concrete bases 5. In this structure, second rubble bed course 71 adopts the material the same with first rubble bed course 3, the sand bed course 72 of building on the second rubble bed course 71, its thickness is 30% of second rubble bed course 71, its main role is to fill second rubble bed course 71 space and guarantee that the surface is level and smooth, if clean geotechnological cloth layer 73 is covered on the sand bed course 72, prevent on the one hand that water infiltration basis from causing the destruction, the pitch waterproof layer 74 construction of being convenient for on the other hand, and pitch waterproof layer 74's setting plays further waterproof effect.
The roller assembly 6 comprises a bearing plate 61 and a roller body 62, the bearing plate 61 is fixed at the bottom of the culvert main body 1, the roller body 62 is rotatably connected to the bearing plate 61, and the roller body 62 is embedded into the slide rail 51. In the structure, the bearing plate 61 is connected with the culvert main body 1 by adopting a welding mode, thus ensuring the reliable connection of the bearing plate 61, the roller body 62 can be rotationally connected with the bearing plate 61 and embedded in the slide rail 51, thus greatly saving the manpower required by transportation and realizing the purpose of quick installation,
the concrete base 5 is provided with a boss 52, an angle steel 53 is fixed between one side of the boss 52 and the concrete base 5, and the slide rail 51 is vertically fixed on the angle steel 53. In this structure, boss 52 and concrete foundation 5 integrated into one piece have guaranteed the intensity of boss 52 like this, also receive transverse thrust to destroy in order to prevent reinforced concrete foundation 5 simultaneously, and angle steel 53's setting then causes stress concentration in order to prevent that the contained foot from puncturing reinforced concrete foundation 5, and angle steel 53 adopts the high strength bolt to fix.
A support steel rod 54 which is distributed obliquely is arranged between the other side of the boss 52 and the concrete base 5, and two ends of the support steel rod 54 are respectively fixed with the boss 52 and the concrete base 5 through high-strength bolts. In this structure, the support steel rods 54 are provided to further prevent the bosses 52 from being damaged by the lateral thrust, and function to support the bosses 52, thereby protecting the concrete foundation 5.
The culvert body 1 is formed by assembling a plurality of corrugated steel pipes, and the corrugated steel pipes are one of horseshoe-shaped corrugated pipes, pear-shaped corrugated pipes, semicircular corrugated pipes, circular corrugated pipes, elliptic corrugated pipes or pipe arch type corrugated pipes. The corrugated steel pipe culvert construction method has the advantages that the corrugated steel pipe culvert construction method is convenient to assemble in sections, the adjusting mode is flexible, the shape of the outer wall of the corrugated steel pipe is matched with the shape of the inner wall of the culvert to be constructed, and the specific selection is adjusted according to actual construction requirements.
Example two: as shown in the figure, the construction method of the open type corrugated steel culvert structure comprises the following steps,
s1: when the culvert needs to be constructed, firstly, excavating a foundation pit at the position of the culvert to be constructed in a mode of manually matching with an excavator;
s2: after the excavation of the foundation pit is finished, tamping the bottom of the foundation pit by using a tamping machine to form a holding soil layer 2;
s3: paving a first gravel cushion layer 3 above the bearing soil layer 2, binding a reinforcement cage after leveling, then pouring concrete to form a reinforced concrete layer 4 with a filling area, and carrying out maintenance treatment on the reinforced concrete layer 4;
s4: after the reinforced concrete layer 4 is cured, respectively pouring concrete bases 5 on the left side and the right side of the filling area, and installing a sliding rail 51 on each concrete base 5;
s5: a second gravel cushion layer 71 and a sand cushion layer 72 are sequentially filled between the two concrete bases 5 from bottom to top, and the sand cushion layer 72 is made of medium sand with the grain diameter of 0.25mm-0.5 mm;
s6: a geotextile layer 73 is laid above the sand cushion layer 72, and an asphalt waterproof layer 74 is filled after leveling;
s7: and installing roller assemblies 6 at the bottoms of the corrugated steel pipes to be spliced, sequentially assembling the corrugated steel pipes to the corresponding slide rails 51 to slide, splicing the corrugated steel pipes to form the culvert main body 1 after reaching a preset position, and sealing and injecting concrete in the slide rails 51 to finish the construction after the required length of the culvert is met.
In step S3, the reinforcement ratio of the steel reinforcement cage is not less than 0.5%, the reinforced concrete layer 4 is maintained in a form of cast-in-place support, the maintenance time is not less than 28 days, the length of the reinforced concrete layer 4 is 3 times the span of the culvert main body 1, and the thickness is not less than 1/10 of the span of the culvert main body 1.
The compressive strength of the concrete base 5 is not lower than C60, the height of the concrete base 5 is h, the thickness of the second gravel cushion layer 71 is 0.5-0.7h, the thickness of the sand cushion layer 72 is 0.15-0.25h, and the thickness of the asphalt waterproof layer 74 is 0.2-0.3 h.
The roller assembly 6 comprises a bearing plate 61 and a roller body 62, the bearing plate 61 is fixed at the bottom of the corrugated steel pipe, the roller body 62 is rotatably connected to the bearing plate 61, and the roller body 62 is embedded into the slide rail 51.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the present invention can also be modified in materials and structures, or replaced by technical equivalents. Therefore, all structural equivalents which may be made by applying the present invention to the specification and drawings, or by applying them directly or indirectly to other related technical fields, are intended to be encompassed by the present invention.

Claims (7)

1. The utility model provides an open type corrugated steel culvert structure, includes the culvert main part, holds power soil layer and first rubble bed course, first rubble bed course set up hold power on the soil layer, its characterized in that: the first gravel cushion layer is provided with a reinforced concrete layer, the reinforced concrete layer is provided with a filling area formed by downward sinking, concrete bases are respectively fixed on two sides of the filling area, each concrete base is provided with a sliding rail, and the bottoms of two sides of the culvert body are arranged at the sliding rails in a sliding mode through roller assemblies.
2. The open corrugated steel culvert structure of claim 1, characterized in that: the concrete foundation structure is characterized in that a second broken stone cushion layer, a sand cushion layer, a geotextile layer and an asphalt waterproof layer are sequentially arranged above the reinforced concrete layer from bottom to top, and the second broken stone cushion layer, the sand cushion layer, the geotextile layer and the asphalt waterproof layer are both positioned between the two concrete bases.
3. The open corrugated steel culvert structure of claim 1, characterized in that: the roller assembly comprises a bearing plate and a roller body, the bearing plate is fixed at the bottom of the culvert main body, the roller body is connected with the bearing plate in a rotatable mode, and the roller body is embedded into the sliding rail.
4. The open corrugated steel culvert structure of claim 1, characterized in that: the concrete base on be provided with the boss, one side of boss with the concrete base between be fixed with an angle steel, the slide rail vertical fixation be in the angle steel on.
5. The open corrugated steel culvert structure of claim 4, characterized in that: the other side of the boss and the concrete base are provided with a support steel rod which is distributed obliquely, and two ends of the support steel rod are fixed with the boss and the concrete base through high-strength bolts respectively.
6. The open corrugated steel culvert structure of claim 1, characterized in that: the culvert body is formed by splicing a plurality of corrugated steel pipes, and the corrugated steel pipes are one of horseshoe-shaped corrugated pipes, pear-shaped corrugated pipes, semicircular corrugated pipes, circular corrugated pipes, elliptic corrugated pipes or pipe arch type corrugated pipes.
7. The open corrugated steel culvert structure of claim 2, characterized in that: the compressive strength of the concrete base is not lower than C60, the height of the concrete base is h, the thickness of the second gravel cushion layer is 0.5-0.7h, the thickness of the sand cushion layer is 0.15-0.25h, and the thickness of the asphalt waterproof layer is 0.2-0.3 h.
CN202120329562.6U 2021-02-05 2021-02-05 Open type corrugated steel culvert structure Active CN214613667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120329562.6U CN214613667U (en) 2021-02-05 2021-02-05 Open type corrugated steel culvert structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120329562.6U CN214613667U (en) 2021-02-05 2021-02-05 Open type corrugated steel culvert structure

Publications (1)

Publication Number Publication Date
CN214613667U true CN214613667U (en) 2021-11-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120329562.6U Active CN214613667U (en) 2021-02-05 2021-02-05 Open type corrugated steel culvert structure

Country Status (1)

Country Link
CN (1) CN214613667U (en)

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