CN218405106U - Box culvert structure for crossing flood drainage channel - Google Patents
Box culvert structure for crossing flood drainage channel Download PDFInfo
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- CN218405106U CN218405106U CN202222210436.6U CN202222210436U CN218405106U CN 218405106 U CN218405106 U CN 218405106U CN 202222210436 U CN202222210436 U CN 202222210436U CN 218405106 U CN218405106 U CN 218405106U
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Abstract
The utility model discloses a box culvert structure of strideing across flood discharge canal, include the culvert body and establish the box culvert basis in culvert body bottom. The inner end, the outer end and the outer end of the box culvert top plate are correspondingly provided with an inner end wall, an outer end wall and an outer end wall one by one, so that the top of the box culvert is divided into a road part between the inner end wall and the outer end wall and a green belt between the outer end wall and the outer end wall; the two sides of the culvert body are filled with sand gravel; paving a road structure layer on the top of the box culvert top plate; the inner ends and the outer ends of the side walls of the two box culverts are connected with the wing walls; the outer end surfaces of the two box culvert side walls extend outwards to form a hole retaining wall respectively, and the two hole retaining walls are arranged in a splayed shape; the box culvert foundation comprises a plurality of tubular piles with pile caps, sand gravel filled between the pile caps of the tubular piles, a gravel cushion layer which is laid on the tops of the pile caps of the tubular piles and the sand gravel and clamps two layers of geogrids and a plain concrete layer which is laid on the gravel cushion layer. The utility model discloses can reduce the differential settlement.
Description
Technical Field
The utility model relates to a box culvert structure of strideing across flood discharge canal.
Background
In the process of building a new industrial park along the seaside, roads for serving regional traffic in the industrial park need to be built. River crossing, channel crossing and other problems can be encountered in road engineering construction, so that box culverts are often adopted to cross rivers and channels. Engineering personnel always hope that the box culvert can be constructed more conveniently and has lower cost under the condition of ensuring the structural strength. The box culvert is divided into an open culvert and a hidden culvert, wherein the hidden culvert has simple structure, convenient construction and good stress performance, and is a mainstream type adopted by the box culvert for crossing the canal at present. When the seaside foundation is basically a soft soil foundation, the box culvert is required to have enough overall strength and stability when being built on the soft soil foundation, and also to have higher reliability and durability, so that the box culvert is ensured to be intact for a long time and not to be damaged in the natural environment. In addition, the prior box culvert has the defects of flat top, no rhythm change, rigid appearance and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a box culvert structure of strideing across flood discharge canal, it can effectively reduce the inhomogeneous settlement of culvert body to can beautify the box culvert.
The purpose of the utility model is realized like this: a box culvert structure crossing a flood drainage channel comprises a culvert body and a box culvert foundation, wherein an outer end hole is connected with an external water system, an inner end hole is connected with a regional internal drainage ditch, and the culvert body is arranged at the bottom of the culvert body and consists of a box culvert top plate, a box culvert bottom plate and two box culvert side walls; wherein the content of the first and second substances,
the inner end, the outer end and the outer end of the box culvert top plate are correspondingly provided with an inner end wall, an outer end wall and an outer end wall one by one, so that the top of the box culvert is divided into a road part between the inner end wall and the outer end wall and a green belt between the outer end wall and the outer end wall; the inner side of the road part is a pedestrian path, and the other part is a bidirectional single-vehicle pedestrian path;
both sides of the culvert body are backfilled by sand gravel; paving a road structure layer on the top of the box culvert top plate;
the inner ends and the outer ends of the side walls of the two box culverts are connected with the wing walls; the outer end faces of the two box culvert side walls are respectively extended outwards to form a hole retaining wall, the two hole retaining walls are arranged in a splayed shape, and an outer end hole bottom plate connected with the outer end face of the box culvert bottom plate is paved at the bottom between the two hole retaining walls;
an inner end opening bottom plate extends forwards on the inner end surface of the box culvert bottom plate;
box culvert basis includes many tubular piles that are equipped with the pile cap, fills the sand gravel between the pile cap of tubular pile, lays on the pile cap top of tubular pile and sand gravel and presss from both sides the gravel bed course in the middle of two-layer geogrid and lays the plain concrete layer on the gravel bed course.
In the box culvert structure spanning the flood discharge channel, the reinforced concrete butt straps are respectively arranged at the tops of the sand gravel stones on the two sides of the box culvert top plate corresponding to the bidirectional bicycle lane through the gravel cushion layer, and then the road structure layer is paved on the reinforced concrete butt straps.
Foretell box culvert structure of strideing across flood discharge canal, wherein, the section of entrance to a cave barricade is right trapezoid, and the thickness and the height of entrance to a cave barricade reduce gradually from inside to outside.
The box culvert structure crossing the flood discharge channel is characterized in that municipal pipelines are embedded in the green belt.
The box culvert structure of the crossing flood discharge channel is characterized in that railings are arranged at the top of the inner end wall and the top of the outer end wall.
Foretell box culvert structure of strideing across flood discharge canal, wherein, many the tubular pile arranges with the rectangle array, and vertical interval and horizontal interval are all the same.
The utility model discloses a box culvert structure of strideing across flood discharge canal has following characteristics:
1) The pile foundations arranged in a full hall are arranged, so that the load of sand gravel backfilled on two sides of the box culvert and the load of roads can be jointly borne, the stress performance of the box culvert is good, and the gravel cushion layers with two layers of geogrids clamped are backfilled on the pile tops, so that the uneven settlement of the culvert body can be effectively reduced;
2) The road part and the green belt which are mutually separated are formed by arranging one external end wall at the top of the box culvert top plate, so that the safety of pedestrians on the box culvert is ensured, the normal running of vehicles is ensured, a soil covering layer can be laid on the green belt, some trees or flowers and plants are planted, the air can be purified, and the box culvert can be beautified.
Drawings
Fig. 1 is a plan view of a box culvert structure spanning a flood drainage channel of the present invention;
fig. 2 is an elevation view of a box culvert structure spanning a flood discharge channel of the present invention;
fig. 3 is a cross-sectional view of a box culvert structure spanning a flood drainage channel;
fig. 4 is a cross-sectional view of an inner port of a box culvert structure spanning a flood discharge channel according to the present invention;
fig. 5 is a sectional view of an outer end opening of a box culvert structure of the crossing flood drainage channel.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 5, the box culvert structure for crossing over the drainage canal of the present invention includes a culvert body 10 having an outer end opening connected to an external water system, an inner end opening connected to a drainage ditch in a region, and a box culvert foundation formed at the bottom of the culvert body 10.
The culvert body 10 is rectangular and consists of a box culvert top plate 11, a box culvert bottom plate 12 and two box culvert side walls 13; the thickness of the box culvert top plate 11, the thickness of the box culvert bottom plate 12 and the thickness of the two box culvert side walls 13 are all 45cm, the internal length of the section of the culvert body is 4m, and the internal height is 3m; the culvert body 10 is provided with settlement joints every 10m along the length direction, and each settlement joint is internally filled with a rubber water stop belt with the thickness of 3 cm.
The inner end, the outer end and the outer end of the box culvert top plate 11 are correspondingly provided with an inner end wall 141, an outer end wall 142 and an outer end wall 143, wherein the thicknesses of the inner end wall 141, the outer end wall 142 and the outer end wall 143 are all 50cm, so that the top of the box culvert is divided into a road part between the inner end wall 141 and the outer end wall 142 and a green belt between the outer end wall 142 and the outer end wall 143, and municipal pipelines 30 are embedded in the green belt; the inner side of the road part is a sidewalk with the width of 3m, and the rest part is a bidirectional one-way lane with the width of 9 m. The balustrade 140 is provided on the top of the inner end wall 141 and the top of the outer end wall 142.
The two sides of the culvert body 10 are backfilled by adopting sand gravel 100, the sand gravel 100 is horizontally and symmetrically backfilled in layers and compacted by adopting a vibratory roller, and the compaction degree is 96%; the transverse backfilling range of the sand gravel 100 at the position of 2.9m upwards from the bottom of the culvert body 10 is 2.9m, the transverse backfilling range of the sand gravel 100 at the position of 3.4m upwards from 2.9m is 6m, and the transverse backfilling range of the sand gravel 100 at the position of 3.4m upwards from 3.9m is 7m, so that the platform back of the box culvert is in a step shape, and the stability of the platform back is improved.
Arranging a reinforced concrete access board 102 with the width of 5m and the thickness of 30cm on the tops of the sand gravel stones 100 on the two sides of the box culvert top plate 11 corresponding to the two-way bicycle lane through a gravel cushion layer 101 with the thickness of 15cm, and paving a road structure layer 103 on the reinforced concrete access board 102 and the box culvert top plate 11 on the rest part;
the inner ends and the outer ends of the two box culvert side walls 13 are both connected with wing walls 15 with the width of 3m and the thickness of 0.5m, and the outer end surfaces of the two box culvert side walls 13 are respectively extended outwards to form an opening retaining wall 16, and the two opening retaining walls 16 are arranged in a splayed shape; the section of the hole retaining wall 16 is in a right trapezoid shape, and the thickness and the height of the hole retaining wall 16 are gradually reduced from inside to outside;
paving an outer end opening bottom plate 17 which is connected with the outer end surface of the box culvert bottom plate 12 and has the thickness of 30cm at the bottom between the two opening retaining walls 16; and a sand cushion layer 170 with the thickness of 10cm is paved at the bottom of the outer end hole bottom plate 17.
An inner end opening bottom plate 18 which is 5m long and 30cm thick is forwards extended from the inner end surface of the box culvert bottom plate 12, and a sand cushion layer 170 which is 10cm thick is also paved at the bottom of the inner end opening bottom plate 18.
The box culvert foundation comprises a plurality of tubular piles 20 provided with pile caps 20a, sand gravel 21 filled between the pile caps 20a of the tubular piles 20, gravel cushions 22 paved on the tops of the pile caps 20a of the tubular piles 20 and on the sand gravel 21, and plain concrete layers 23 paved on the gravel cushions 22; the pile diameter of the tubular pile 20 is 0.4m, the plane of the pile cap 20a is a square with the side length of 120cm, and the height of the pile cap 20a is 30cm; the tubular piles 20 are arranged in a rectangular array, and the longitudinal distance and the transverse distance are both 1.5m; the thickness of the plain concrete layer 23 is 10cm, the width of the plain concrete layer 23 is 60cm larger than that of the culvert body 10, and two sides of the plain concrete layer 23 are correspondingly widened by 30cm from two sides of the culvert body 10 one by one. The thickness of the gravel cushion layer 22 is 50cm, and two layers of geogrids are clamped in the gravel cushion layer 22; the width of the gravel cushion layer 22 is 4.2cm larger than that of the plain concrete layer 23, and the two sides of the gravel cushion layer 22 are 2.1m wider than the two sides of the plain concrete layer 23 in one-to-one correspondence.
The utility model discloses a structure is contained to box of strideing across flood discharge canal adopts the tubular pile basis of arranging in full hall, can undertake box culvert side backfill load and road surface load jointly, makes the atress performance of box culvert good to the tubular pile basis through the below transmits to soil layer depths, has avoided box culvert below soil horizon pressurized to subside.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (6)
1. A box culvert structure crossing a flood drainage channel comprises a culvert body and a box culvert foundation, wherein an outer end hole is connected with an external water system, an inner end hole is connected with a regional internal drainage ditch, and the culvert body is arranged at the bottom of the culvert body and consists of a box culvert top plate, a box culvert bottom plate and two box culvert side walls; it is characterized in that the preparation method is characterized in that,
the inner end, the outer end and the outer end of the box culvert top plate are correspondingly provided with an inner end wall, an outer end wall and an outer end wall one by one, so that the top of the box culvert is divided into a road part between the inner end wall and the outer end wall and a green belt between the outer end wall and the outer end wall; the inner side of the road part is a pavement, and the other part is a bidirectional single-vehicle pavement;
both sides of the culvert body are backfilled by sand gravel; paving a road structure layer on the top of the box culvert top plate;
the inner ends and the outer ends of the side walls of the two box culverts are connected with the wing walls; the outer end faces of the two box culvert side walls are respectively extended outwards to form a hole retaining wall, the two hole retaining walls are arranged in a splayed shape, and an outer end hole bottom plate connected with the outer end face of the box culvert bottom plate is paved at the bottom between the two hole retaining walls;
an inner end opening bottom plate extends forwards on the inner end surface of the box culvert bottom plate;
the box culvert foundation includes many tubular piles that are equipped with the pile cap, fills sand gravel between the pile cap of tubular pile, lays on the pile cap top of tubular pile and sand gravel and presss from both sides the gravel bed course in the middle of two-layer geogrid and lays the plain concrete layer on the gravel bed course.
2. The box culvert structure spanning flood discharge canals according to claim 1, wherein a reinforced concrete butt plate is arranged on the top of gravel stones on both sides of the box culvert top plate corresponding to the bidirectional bicycle lane through a gravel cushion layer, and a road structure layer is paved on the reinforced concrete butt plate.
3. The box culvert structure across flood discharge canals according to claim 1, wherein the cross section of the entrance retaining wall is in a right trapezoid shape, and the thickness and height of the entrance retaining wall gradually decrease from inside to outside.
4. The box culvert structure spanning flood discharge canals according to claim 1, wherein municipal pipes are embedded in the green belts.
5. A box culvert structure spanning flood drains according to claim 1, wherein railings are provided on both the top of the interior endwalls and the top of the exterior endwalls.
6. A box culvert structure across flood discharge canals according to claim 1, wherein a plurality of said pipe piles are arranged in a rectangular array with the same longitudinal and lateral spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222210436.6U CN218405106U (en) | 2022-08-19 | 2022-08-19 | Box culvert structure for crossing flood drainage channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222210436.6U CN218405106U (en) | 2022-08-19 | 2022-08-19 | Box culvert structure for crossing flood drainage channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218405106U true CN218405106U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222210436.6U Active CN218405106U (en) | 2022-08-19 | 2022-08-19 | Box culvert structure for crossing flood drainage channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218405106U (en) |
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2022
- 2022-08-19 CN CN202222210436.6U patent/CN218405106U/en active Active
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