CN211340257U - Culvert platform back of body road bed reinforced structure - Google Patents
Culvert platform back of body road bed reinforced structure Download PDFInfo
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- CN211340257U CN211340257U CN201921492445.0U CN201921492445U CN211340257U CN 211340257 U CN211340257 U CN 211340257U CN 201921492445 U CN201921492445 U CN 201921492445U CN 211340257 U CN211340257 U CN 211340257U
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Abstract
The utility model discloses a culvert abutment roadbed reinforced structure, concretely relates to road bed construction technical field, including the culvert, the culvert bottom both sides are all fixed and are equipped with the foundation, culvert bilateral symmetry is equipped with strengthening mechanism, strengthening mechanism includes a plurality of steps, every the width of step is not less than two meters, every the step all inwards inclines 4%, it backfills the gravel soil to fill up between step and the culvert. The utility model discloses a bury the foundation of culvert bottom both sides underground, the recess can increase the area of contact of foundation bottom and ground, the stabilizer plate can be embedded into in the soil on ground, thereby can carry out effectual stabilizing action to the culvert, the step can increase the area of contact between every layer of gravel soil and the road bed of backfilling, the hexagon supports the effect that the post can play fine side direction support to the culvert, prevent the culvert skew, the inside connecting rib of culvert improves the bearing capacity of culvert with the reinforcing bar, compared with the prior art, stability is improved.
Description
Technical Field
The utility model relates to a road bed construction technical field, more specifically say, the utility model relates to a culvert platform back of body road bed reinforced structure.
Background
The culvert is a drainage channel (water channel) which is arranged below a roadbed and built below a road surface in order to ensure that a road can smoothly pass through a water channel without obstructing traffic in the road engineering construction, and water can flow through the lower surface of the road through the structure.
The culvert can be used for draining floodwater across natural valley depressions, or used as an interchange channel for people, livestock and vehicles across large and small roads, or used as a water channel for farmland irrigation, has the function of quickly draining surface water along the highway to ensure the safety of a roadbed, is one of important components in highway engineering, occupies a large proportion in the highway engineering, is an important component of the highway engineering, and is mainly expressed in the engineering quantity and the engineering cost.
The culvert platform back roadbed in the prior art needs backfilling in the construction process, and is integrally compacted after backfilling, so that the backfilled soil is easy to loose due to insufficient compaction, and the stability is not ideal enough.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a culvert platform back of body road bed reinforced structure, bury underground through the foundation with culvert bottom both sides, the recess can increase the area of contact of foundation bottom and ground, the stabilizer plate can be embedded into in the soil on ground, thereby can carry out effectual stabilizing action to the culvert, the step can increase the area of contact between every layer of gravel soil and the road bed of backfilling, thereby can improve the bearing capacity of road bed to backfilling gravel soil, the hexagon supports the effect that the post can play fine side direction support to the culvert, prevent the culvert skew, inside connecting rib and the reinforcing rib of culvert improve the bearing capacity of culvert, compared with the prior art, the stability is improved, in order to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a culvert platform back roadbed reinforcement structure comprises a culvert, wherein bottom columns are fixedly arranged on two sides of the bottom of the culvert, and reinforcement mechanisms are symmetrically arranged on two sides of the culvert;
the reinforcing mechanism includes a plurality of steps, every the width of step is not less than two meters, every the step all inwards inclines 4%, it fills backfill gravel soil to fill between step and the culvert, qualified filler has been laid at the culvert top, road surface structural layer has been laid at qualified filler top, culvert both sides surface all is equipped with the hexagon mounting hole, the hexagon is installed to the hexagon mounting hole internally, the hexagon supports the post, the post surface is equipped with the screw thread to the hexagon, the culvert top transversely runs through has a plurality of spread grooves, spread groove internally mounted has the splice bar, the inside a plurality of reinforcing grooves that all are equipped with of culvert both sides wall body, the inside reinforcing bar that is equipped with of reinforcing groove, end pillar bottom surface is equipped with a plurality of recesses, the fixed steadying plate that is equipped with of end pillar one side surface slope.
In a preferred embodiment, the culvert is manually compacted in layers within three meters by a small tamping machine, and the loose thickness is 20 cm.
In a preferred embodiment, the subgrade slope on both sides of the culvert is 1: 2.
In a preferred embodiment, the bottom pillar is arranged below the ground line.
In a preferred embodiment, the backfill gravel soil on two sides of the culvert is compacted in layers synchronously.
In a preferred embodiment, the cross-sectional shape of the groove is provided as a trapezoid.
In a preferred embodiment, the backfilled crushed rock soil has a degree of compaction of not less than 96%.
The utility model discloses a technological effect and advantage:
the utility model discloses a bury the foundation of culvert bottom both sides underground, the recess can increase the area of contact of foundation bottom and ground, the stabilizer plate can be embedded into in the soil on ground, thereby can carry out effectual stabilizing action to the culvert, the step can increase the area of contact between every layer of gravel soil and the road bed of backfilling, thereby can improve the road bed to the bearing capacity of backfilling the gravel soil, the hexagon supports the effect that the post can play fine side direction support to the culvert, prevent the culvert skew, inside connecting rib and the reinforcing bar of culvert improve the bearing capacity of culvert, compared with the prior art, stability is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Figure 2 is a sectional front view of the culvert of the utility model.
Figure 3 is a side view of the culvert of the present invention.
Fig. 4 is a three-dimensional structure diagram of the hexagonal support column of the present invention.
Fig. 5 is a sectional front view of the bottom pillar of the present invention.
The reference signs are: the concrete comprises 1 culvert, 2 bottom columns, 3 reinforcing mechanisms, 4 steps, 5 backfilled gravel soil, 6 qualified fillers, 7 pavement structure layers, 8 hexagonal mounting holes, 9 hexagonal abutting columns, 10 threads, 11 connecting grooves, 12 connecting ribs, 13 reinforcing ribs, 14 grooves, 15 stabilizing plates and 16 reinforcing grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The culvert platform back roadbed reinforcement structure shown in the figures 1-5 comprises a culvert 1, wherein two sides of the bottom of the culvert 1 are both fixedly provided with bottom columns 2, and two sides of the culvert 1 are symmetrically provided with reinforcement mechanisms 3;
the reinforcing mechanism 3 comprises a plurality of steps 4, the width of each step 4 is not less than two meters, each step 4 inclines inwards by 4 percent, backfilled gravel soil 5 is filled between each step 4 and the culvert 1, the compaction degree of the backfilled gravel soil 5 is not less than 96 percent, qualified filler 6 is laid on the top of the culvert 1, a pavement structure layer 7 is laid on the top of the qualified filler 6, a small-sized tamper is adopted within the range of 1 three meters of the culvert for manual layered tamping, the thickness of the loosened pavement is 20cm, the slope of the roadbed on two sides of the culvert 1 is 1:2, the bottom pillars 2 are arranged below the ground line, the maximum particle size of the gravel soil 5 is not more than 10cm, the mud content is not more than 5 percent, the backfilled gravel soil 5 on two sides of the culvert 1 is layered and synchronously compacted, hexagonal mounting holes 8 are arranged on the surfaces on two sides of the culvert 1, hexagonal support pillars 9 are arranged inside the hexagonal mounting holes 8, the surface of the hexagonal abutting column 9 is provided with threads 10, a plurality of connecting grooves 11 transversely penetrate through the top of the culvert 1, connecting ribs 12 are arranged inside the connecting grooves 11, a plurality of reinforcing grooves 16 are arranged inside wall bodies on two sides of the culvert 1, reinforcing ribs 13 are arranged inside the reinforcing grooves 16, a plurality of grooves 14 are formed in the bottom surface of the bottom column 2, the cross section of each groove 14 is trapezoidal, and a stabilizing plate 15 is fixedly arranged on one side surface of the bottom column 2 in an inclined mode.
The implementation mode is specifically as follows: when the utility model is used, the bottom columns 2 at two sides of the bottom of the culvert 1 are buried underground, the bottom of the bottom column 2 is provided with a trapezoidal groove 14 which can increase the contact area between the bottom of the bottom column 2 and the ground, the stabilizing plate 15 can be embedded into the soil on the ground, thereby effectively stabilizing the culvert 1 and improving the stability, the width of each excavated step 4 is not less than two meters, the contact area between each layer of backfilled gravel soil 5 and the roadbed can be increased, thereby improving the bearing capacity of the roadbed to the backfilled gravel soil 5, each step 4 is inwards inclined by 4 percent, the stability of the backfilled gravel soil 5 can be improved, the backfilled gravel soil 5 is prevented from sliding on the inclined roadbed slope, then the backfilled gravel soil 5 is compacted in layers according to the horizontal line of the road surface, and the compacting operation at two sides of the culvert 1 is synchronously performed, so as to ensure that the firmness degree of the backfilled gravel soil 5 at two sides of the culvert 1 is the same, the pressure on two sides of the culvert 1 is prevented from being different, after each layer of backfilled gravel soil 5 is tamped, one end of a hexagonal support column 9 is inserted into a hexagonal mounting hole 8, the other end of the hexagonal support column is inserted into the step 4, so that the culvert 1 can be well laterally supported, the culvert 1 is prevented from deviating, threads 10 are arranged on the surface of the hexagonal support column 9, the threads 10 can increase the contact area with the backfilled gravel soil 5 and increase the stability of the culvert, connecting ribs 12 in the culvert 1 can increase the strength of the top of the culvert 1, reinforcing ribs 13 can increase the strength of wall bodies on two sides, so that the bearing capacity of the culvert 1 is improved, a small-sized tamping machine is adopted to manually tamp the culvert 1 within three meters of the culvert 1, the damage to the culvert 1 in the tamping process can be prevented, the compaction degree of the backfilled gravel soil 5 is not less than 96%, and the stability of the culvert can be greatly improved, backfill gravel soil 5 maximum particle size is no more than 10cm, and the mud content is not more than 5%, can reduce the inside clearance width of backfill gravel soil 5 to can reduce the settlement degree of backfilling gravel soil 5 self, laid the qualified filler 6 of one deck between culvert 1 and road surface structural layer 7, separate culvert 1 and road surface structural layer 7, effectively protect culvert 1, wholly make the utility model discloses can abundant compaction backfill gravel soil 5, improve stability, this embodiment has specifically solved the not enough problem of stability among the prior art.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when the utility model is used, the bottom columns 2 at two sides of the bottom of the culvert 1 are buried underground, the trapezoidal grooves 14 can increase the contact area between the bottom of the bottom column 2 and the ground, the stabilizing plates 15 can be embedded into the soil on the ground, thereby effectively stabilizing the culvert 1 and improving the stability, the steps 4 can increase the contact area between each layer of backfilled gravel soil 5 and the roadbed, thereby improving the bearing capacity of the roadbed for the backfilled gravel soil 5, each step 4 is inwards inclined by 4 percent, the stability of the backfilled gravel soil 5 can be improved, the backfilled gravel soil 5 is prevented from sliding on the inclined roadbed slope, the hexagonal resisting columns 9 can play a good role of lateral support for the culvert 1, the culvert 1 is prevented from deviating, the threads 10 can increase the contact area between the backfilled gravel soil 5 and increase the stability of the self, the inside splice bar 12 of culvert 1 can increase the intensity at 1 top of culvert, and reinforcing bar 13 can increase the intensity of both sides wall body to improve culvert 1's bearing capacity, laid the qualified filler 6 of one deck between culvert 1 and road surface structural layer 7, separated culvert 1 and road surface structural layer 7, effectively protected culvert 1, wholly make the utility model discloses can fully compact backfill rubble soil 5, improve stability.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a culvert platform back of body road bed reinforced structure, includes culvert (1), its characterized in that: bottom columns (2) are fixedly arranged on two sides of the bottom of the culvert (1), and reinforcing mechanisms (3) are symmetrically arranged on two sides of the culvert (1);
the reinforcing mechanism (3) comprises a plurality of steps (4), the width of each step (4) is not less than two meters, each step (4) is inclined inwards by 4%, backfill gravel soil (5) is filled between each step (4) and the culvert (1), qualified filler (6) is laid at the top of the culvert (1), a pavement structure layer (7) is laid at the top of the qualified filler (6), hexagonal mounting holes (8) are arranged on the surfaces of the two sides of the culvert (1), hexagonal abutting columns (9) are arranged inside the hexagonal mounting holes (8), threads (10) are arranged on the surfaces of the hexagonal abutting columns (9), a plurality of connecting grooves (11) transversely penetrate through the top of the culvert (1), connecting ribs (12) are arranged inside the connecting grooves (11), a plurality of reinforcing grooves (16) are arranged inside wall bodies on the two sides of the culvert (1), reinforcing ribs (13) are arranged inside the reinforcing grooves (16), a plurality of grooves (14) are formed in the bottom surface of the bottom column (2), and a stabilizing plate (15) is obliquely and fixedly arranged on one side surface of the bottom column (2).
2. The culvert platform back roadbed reinforced structure of claim 1, which is characterized in that: the culvert (1) adopts a small tamping machine to carry out manual layering tamping within three meters, and the loose paving thickness is 20 cm.
3. The culvert platform back roadbed reinforced structure of claim 1, which is characterized in that: the gradient of the roadbed on the two sides of the culvert (1) is 1: 2.
4. The culvert platform back roadbed reinforced structure of claim 1, which is characterized in that: the bottom pillar (2) is arranged below a ground line.
5. The culvert platform back roadbed reinforced structure of claim 1, which is characterized in that: and backfilled gravel soils (5) on two sides of the culvert (1) are compacted in a layered and synchronous manner.
6. The culvert platform back roadbed reinforced structure of claim 1, which is characterized in that: the cross-sectional shape of the groove (14) is trapezoidal.
7. The culvert platform back roadbed reinforced structure of claim 1, which is characterized in that: the compaction degree of the backfilled gravel soil (5) is not less than 96%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921492445.0U CN211340257U (en) | 2019-09-09 | 2019-09-09 | Culvert platform back of body road bed reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921492445.0U CN211340257U (en) | 2019-09-09 | 2019-09-09 | Culvert platform back of body road bed reinforced structure |
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| Publication Number | Publication Date |
|---|---|
| CN211340257U true CN211340257U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921492445.0U Active CN211340257U (en) | 2019-09-09 | 2019-09-09 | Culvert platform back of body road bed reinforced structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262586A (en) * | 2022-07-29 | 2022-11-01 | 中国二十冶集团有限公司 | Construction method for box culvert back backfilling |
-
2019
- 2019-09-09 CN CN201921492445.0U patent/CN211340257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262586A (en) * | 2022-07-29 | 2022-11-01 | 中国二十冶集团有限公司 | Construction method for box culvert back backfilling |
| CN115262586B (en) * | 2022-07-29 | 2023-07-21 | 中国二十冶集团有限公司 | Construction method for backfilling box culvert back |
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