CN219731796U - Well divide area secondary to pour built-in concrete guardrail structure - Google Patents
Well divide area secondary to pour built-in concrete guardrail structure Download PDFInfo
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- CN219731796U CN219731796U CN202320522741.0U CN202320522741U CN219731796U CN 219731796 U CN219731796 U CN 219731796U CN 202320522741 U CN202320522741 U CN 202320522741U CN 219731796 U CN219731796 U CN 219731796U
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- 239000004567 concrete Substances 0.000 title claims abstract description 150
- 238000004873 anchoring Methods 0.000 claims abstract description 17
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 239000011440 grout Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a secondary pouring embedded concrete guardrail structure with a middle belt, which comprises a double-sided concrete wall body, a road surface, longitudinal connecting pieces and anchoring pieces, wherein the double-sided concrete wall body is a section prefabricated and formed by reinforced concrete, the two sides of the double-sided concrete wall body are collision faces, a pouring groove is formed in the bottom of the double-sided concrete wall body, a pouring hole is formed in the double-sided concrete wall body, the bottom of the pouring hole is communicated with the pouring groove, the double-sided concrete wall body is arranged on a foundation, the double-sided concrete wall body is connected with the foundation through the anchoring pieces, the double-sided concrete wall body is arranged in the middle of the road, the bottoms of the two sides of the double-sided concrete wall body are embedded and fixed in the road surface, and the double-sided concrete wall body is integrally connected through the longitudinal connecting pieces. The scheme integrates the characteristics of simple installation and the anti-collision advantage of the concrete wall, effectively solves the field installation and application problems, has strong engineering adaptability, and has the function of repeated recycling.
Description
Technical Field
The utility model belongs to the field of traffic safety protection, and particularly relates to a secondary pouring embedded concrete guardrail structure with middle belts.
Background
At present, people pay more and more attention to the safety of transportation, and the highway guardrail plays a vital role as the last defense line of transportation safety.
The concrete guardrail is a common road guardrail protection form, is particularly applied to a road center separation belt which is easy to generate extra-large accidents, has the advantage of high rigidity through years of application practice, has large safety protection allowance, and can effectively protect the accident vehicles from crossing and crossing. The concrete bridge guardrail at the present stage is usually in a cast-in-situ form, namely, the working procedures of anchoring rib connection, formwork pouring concrete, formwork removal and the like are required to be carried out on the bridge, the structural foundation is firmly connected, and the structure has better safety protection capability, but occupies longer pavement time, has long construction period and is difficult to control cast-in-situ quality due to the influence of site environment.
Through continuous research of traffic safety scientific research institutions, a certain precast concrete guardrail with an assembling function is developed, standard sections are prefabricated in factories, standard section assembling is carried out on site through anchoring parts, the time of on-site occupation of a road surface can be saved by the mode, the construction period is greatly shortened, but in order to ensure the protection performance, the foundation connection of the prefabricated assembled guardrail at the present stage is complex, the construction is very difficult, and even in order to simplify the connection, the foundation is not firm, and the guardrail falls down due to collision of vehicles.
Through the analysis and research, the inventor provides a middle-belt secondary pouring embedded concrete guardrail structure based on a concrete guardrail wall stress mechanism and combined with the on-site actual engineering installation application, most of the concrete wall is prefabricated, secondary pouring is only carried out at a basic connection position, construction steps are simplified, appearance quality of the concrete guardrail is greatly improved, a longitudinal assembly method is optimized, and meanwhile, the guardrail prefabrication installation process is simplified and protection capability is guaranteed.
Disclosure of Invention
The utility model aims to provide a secondary pouring embedded concrete guardrail structure with a middle belt, which solves the problems that the existing prefabricated assembled bridge concrete guardrail foundation is difficult to connect and the quality cannot be controlled.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a well divides area secondary to pour built-in concrete guardrail structure, includes two-sided concrete wall body, road surface, longitudinal connecting piece, anchor assembly, its characterized in that: the double-sided concrete wall is a segment prefabricated and formed through reinforced concrete, the two sides of the double-sided concrete wall are collision faces, a pouring groove is formed in the bottom of the double-sided concrete wall, a pouring hole is formed in the double-sided concrete wall, the bottom of the pouring hole is communicated with the pouring groove, the double-sided concrete wall is arranged on a foundation, the double-sided concrete wall is connected with the foundation through an anchoring piece, the double-sided concrete wall is arranged in the middle of a road, the bottoms of the two sides of the double-sided concrete wall are embedded in the road surface, and the double-sided concrete wall is connected into a whole through a longitudinal connecting piece.
Further, the anchor assembly is U-shaped steel bar, still include n type reinforcing bar, U type reinforcing bar longitudinal interval sets up in pouring the inslot, U type reinforcing bar opening direction up and anchor in double-sided concrete wall body, n type reinforcing bar longitudinal interval is pre-buried in the basis, n type reinforcing bar opening direction is down and anchor in the basis, when hoist and mount double-sided concrete wall body, U type reinforcing bar staggered insertion n type reinforcing bar spaced space is interior dislocation set, the range that the two closed ends are crossed forms airtight space, and penetrate vertical anchor bar through the poling pipe, it is fixed with U type reinforcing bar and n type reinforcing bar ligature respectively after the vertical anchor bar overlap joint, the poling pipe is hollow steel pipe.
Further, the setting positions of the pouring grooves comprise a built-in type and an offset type, the built-in type is that the bottom of the double-sided concrete wall body is hollowed out, the thickness of the concrete structure reserved on two sides of the pouring grooves is larger than 10cm, the construction ribs are arranged in the concrete structure, the pouring grooves do not need to be provided with outer side templates, the offset type is that the bottom of one side of the double-sided concrete wall body is hollowed out, the concrete structure is reserved on the other side of the double-sided concrete wall body, the construction ribs are arranged in the concrete structure, and the outer side templates are required to be arranged on one side of the pouring grooves.
Further, the pouring hole setting positions are included on the top or two sides of the double-sided concrete wall body.
Further, the longitudinal connecting piece is in a groove type box connecting form or a tongue-and-groove connecting form;
the vertical connecting piece is a groove-shaped box with a wide upper part and a narrow lower part and comprises lifting rings, the vertical connecting piece is embedded at two ends of the top of the double-sided concrete wall body, the lifting rings are vertically welded in the groove-shaped box, when the double-sided concrete wall body is lifted, the lifting rings at two ends are used for lifting, splicing bolt holes are formed in the vertical sides of the side surfaces of the groove-shaped box, and the splicing bolts penetrate into the splicing bolt holes to form connection;
when the longitudinal connecting piece is in a tongue-and-groove connection mode, the longitudinal connecting piece comprises a groove and tenons, the groove and tenons are respectively arranged at two ends of the double-sided concrete wall body, and when the two double-sided concrete wall bodies are connected, the tenons at one end are inserted into the groove in an aligned mode, so that tongue-and-groove connection is formed.
Further, the double-sided concrete wall body further comprises grout outlet holes, the grout outlet holes are formed in two ends of the double-sided concrete wall body, grouting material is poured into the pouring groove from top to bottom through the pouring holes when the double-sided concrete wall body is connected with a foundation in an anchoring mode, air in the pouring groove is discharged through the grout outlet holes, and redundant grouting material overflows through the grout outlet holes after the pouring groove is filled.
Further, the gap between the bottom surface of the double-sided concrete wall body and the foundation is provided with a leveling layer, and the thickness of the leveling layer is changed according to the same overall elevation.
Further, the longitudinal connecting piece is anchored with the double-sided concrete wall body through the embedded ribs, the embedded ribs are welded on the three sides of the groove-shaped box, which are not provided with the spliced bolt holes, respectively, and the embedded ribs are anchored inside the double-sided concrete wall body.
Furthermore, the slope surface forms of the collision surfaces on the two sides of the double-sided concrete wall body are F-shaped slope surfaces, or reinforced slope surfaces or single slope surfaces.
After the technical scheme is adopted, the utility model has the following beneficial effects:
(1) Prefabricating a reinforced concrete wall, and connecting the reinforced concrete wall into a whole through foundation connection and longitudinal connection, so that the high protection capability of the bridge guardrail is met;
(2) A small amount of secondary pouring anchoring is carried out, which is equivalent to the foundation anchoring strength of the cast-in-situ structure, so that the construction is convenient, and the installation danger of constructors is effectively reduced;
(3) The concrete precast blocks can be connected longitudinally and rapidly, so that the wall body hoisting mode is optimized, and the method has the characteristic of strong universality;
(4) The industrialized batch production is realized, and the rapid assembly construction process of the prefabricated assembled concrete guardrail is realized;
(5) The resource waste is reduced, and the engineering cost is reduced.
Drawings
For a clearer description of the technical solutions of the present utility model, the following brief description will be given of the drawings that are used in the embodiments:
FIG. 1 is a schematic view showing a cross section of an embodiment 1 of the present utility model;
FIG. 2 is an elevation illustration of embodiment 1 of the present utility model;
FIG. 3 is a perspective view showing a concrete wall with two sides according to embodiment 1 of the present utility model;
FIG. 4 is a diagram showing basic connection example of embodiment 1 of the present utility model;
FIG. 5 is a view showing an example of a longitudinal connecting plane of embodiment 1 of the present utility model;
FIG. 6 is a perspective view showing a longitudinal connector according to embodiment 1 of the present utility model;
FIG. 7 is a schematic view showing a cross section of an embodiment 2 of the present utility model;
FIG. 8 is an elevation view of the embodiment 2 of the present utility model;
fig. 9 is a view showing an example of a longitudinal joint plane of embodiment 2 of the present utility model.
Reference numerals
1. Double-sided concrete wall; 2. road surface; 3. pouring a groove; 4. pouring holes; 5. a foundation; 6.U steel bars; n-type steel bar; 8. longitudinal anchoring ribs; 9. a reinforcement pipe is penetrated; 10. a hoisting ring; 11. splicing bolt holes; 12. splicing bolts; 13. a pulp outlet hole; 14. grouting; 15. leveling the layer; 16. pre-burying ribs; 17. a groove; 18. and (5) tenons.
Detailed Description
The present utility model will be described in further detail with reference to examples and embodiments. It should not be construed that the scope of the above subject matter of the present utility model is limited to the following embodiments, and that all the techniques implemented based on the present utility model are within the scope of the present utility model.
As shown in fig. 1-3, an exemplary diagram of embodiment 1 of the present utility model is shown. The utility model provides a well divides area secondary to pour built-in concrete guardrail structure, includes two-sided concrete wall body 1, road surface 2, longitudinal connection spare, anchor assembly, two-sided concrete wall body 1 front side slope form is single slope, two-sided concrete wall body 1 is the section through reinforced concrete prefabrication shaping, two-sided concrete wall body 1 both sides are the face that hits, the bottom of two-sided concrete wall body 1 sets up pours groove 3, set up on the two-sided concrete wall body 1 and pour hole 4, pour hole 4 bottom and pour groove 3 link up, two-sided concrete wall body 1 sits on basis 5, two-sided concrete wall body 1 is connected through anchor assembly with basis 5, two-sided concrete wall body 1 sets up in the middle of the road, two-sided concrete wall body 1 both sides bottom builds in road surface 2, two-sided concrete wall body 1 is whole through longitudinal connection spare connection.
The double-sided concrete wall body 1 further comprises grout outlet holes 13, the grout outlet holes 13 are formed in two ends of the double-sided concrete wall body 1, grouting material 14 is poured into the pouring groove 3 from top to bottom through the pouring holes 4 when the double-sided concrete wall body 1 is connected with the foundation 5 in an anchoring mode, air in the pouring groove 3 is discharged through the grout outlet holes 13, and meanwhile redundant grouting material 14 overflows through the grout outlet holes 13 after the pouring groove 3 is filled.
The gap between the bottom surface of the double-sided concrete wall body 1 and the foundation 5 is provided with a leveling layer 15, and the thickness of the leveling layer 15 is changed according to the same overall elevation.
The setting position of the pouring groove 3 is built-in, the built-in is to draw out the pouring groove 3 at the bottom of the double-sided concrete wall body 1, the thickness of the reserved concrete structure at two sides of the pouring groove 3 is more than 10cm, the construction ribs are arranged in the concrete structure, the pouring groove 3 is not required to be provided with an outer side template,
as shown in fig. 4, the anchoring member comprises a U-shaped steel bar 6 and n-shaped steel bars 7, the U-shaped steel bars 6 are longitudinally arranged in the pouring groove 3 at intervals, the opening direction of the U-shaped steel bars 6 is upward and anchored in the double-sided concrete wall body 1, the n-shaped steel bars 7 are longitudinally embedded in the foundation 5 at intervals, the opening direction of the n-shaped steel bars 7 is downward and anchored in the foundation 5, when the double-sided concrete wall body 1 is hoisted, the U-shaped steel bars 6 are staggered and inserted into the gaps of the n-shaped steel bars 7 at intervals to be arranged in a staggered mode, the crossed range of the two closed openings forms a closed space, the closed space penetrates into the longitudinal anchoring bars 8 through the steel penetrating pipes 9, the longitudinal anchoring bars 8 are respectively bound and fixed with the U-shaped steel bars 6 and the n-shaped steel bars 7 after being lapped, and the steel penetrating pipes 9 are hollow steel pipes.
The arrangement positions of the pouring holes 4 are included on the top or two sides of the double-sided concrete wall body 1.
As shown in fig. 4-5, the longitudinal connecting piece is a groove-shaped box with a wide upper part and a narrow lower part, and comprises a hoisting ring 10, the longitudinal connecting piece is pre-buried at two ends of the top of the double-sided concrete wall body 1, the hoisting ring 10 is vertically welded in the groove-shaped box, when the double-sided concrete wall body 1 is hoisted, the hoisting is carried out through the hoisting rings 10 at two ends, the vertical sides of the side surfaces of the groove-shaped box are provided with splicing bolt holes 11, and the splicing bolts 12 penetrate into the splicing bolt holes 11 to form connection.
The longitudinal connecting piece is anchored with the double-sided concrete wall body 1 through the embedded ribs 16, the embedded ribs 16 are welded on the three sides of the groove type box, which are not provided with the splicing bolt holes 11, respectively, and the embedded ribs 16 are anchored inside the double-sided concrete wall body 1.
As shown in fig. 7-8, an exemplary diagram of embodiment 1 of the present utility model is shown. The utility model provides a well divides area secondary to pour built-in concrete guardrail structure, includes two-sided concrete wall body 1, road surface 2, longitudinal connection spare, anchor assembly, two-sided concrete wall body 1 front side slope form is single slope, two-sided concrete wall body 1 is the section through reinforced concrete prefabrication shaping, two-sided concrete wall body 1 both sides are the face that hits, the bottom of two-sided concrete wall body 1 sets up pours groove 3, set up on the two-sided concrete wall body 1 and pour hole 4, pour hole 4 bottom and pour groove 3 link up, two-sided concrete wall body 1 sits on basis 5, two-sided concrete wall body 1 is connected through anchor assembly with basis 5, two-sided concrete wall body 1 sets up in the middle of the road, two-sided concrete wall body 1 both sides bottom builds in road surface 2, two-sided concrete wall body 1 is whole through longitudinal connection spare connection.
The double-sided concrete wall body 1 further comprises grout outlet holes 13, the grout outlet holes 13 are formed in two ends of the double-sided concrete wall body 1, grouting material 14 is poured into the pouring groove 3 from top to bottom through the pouring holes 4 when the double-sided concrete wall body 1 is connected with the foundation 5 in an anchoring mode, air in the pouring groove 3 is discharged through the grout outlet holes 13, and meanwhile redundant grouting material 14 overflows through the grout outlet holes 13 after the pouring groove 3 is filled.
The gap between the bottom surface of the double-sided concrete wall body 1 and the foundation 5 is provided with a leveling layer 15, and the thickness of the leveling layer 15 is changed according to the same overall elevation.
The setting position of the pouring groove 3 is in an offset type, the offset type is that the bottom of one side of the double-sided concrete wall body 1 is hollowed out of the pouring groove 3, a concrete structure is reserved on the other side of the double-sided concrete wall body, a construction rib is arranged in the concrete structure, and an outer side template is required to be arranged on one side of the pouring groove 3.
The anchor assembly comprises U-shaped steel bars 6 and n-shaped steel bars 7, wherein the U-shaped steel bars 6 are longitudinally arranged in the pouring groove 3 at intervals, the opening direction of the U-shaped steel bars 6 is upward and anchored in the double-sided concrete wall body 1, the n-shaped steel bars 7 are longitudinally embedded in the foundation 5 at intervals, the opening direction of the n-shaped steel bars 7 is downward and anchored in the foundation 5, when the double-sided concrete wall body 1 is hoisted, the U-shaped steel bars 6 are staggered and inserted into gaps of the n-shaped steel bars 7 at intervals to be staggered, a closed space is formed in a range where the U-shaped steel bars and the n-shaped steel bars are closed, longitudinal anchoring bars 8 penetrate through a steel penetrating pipe 9, and after the longitudinal anchoring bars 8 are overlapped, the U-shaped steel bars 6 and the n-shaped steel bars 7 are respectively bound and fixed, and the steel penetrating pipe 9 is a hollow steel pipe.
The arrangement positions of the pouring holes 4 are included on the top or two sides of the double-sided concrete wall body 1.
As shown in fig. 9, when the longitudinal connecting member is in a tongue-and-groove connection mode, the longitudinal connecting member comprises a groove 17 and a tenon 18, the groove 17 and the tenon 18 are respectively arranged at two ends of the double-sided concrete wall body 1, and when the double-sided concrete wall bodies 1 of each two are connected, the tenon 18 at one end is inserted into the groove 17 in an aligned manner to form tongue-and-groove connection.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a well divides area secondary to pour built-in concrete guardrail structure, includes two-sided concrete wall body (1), road surface (2), longitudinal connecting piece, anchor assembly, its characterized in that: the double-sided concrete wall body (1) is a section prefabricated and formed through reinforced concrete, the two sides of the double-sided concrete wall body (1) are collision faces, a pouring groove (3) is formed in the bottom of the double-sided concrete wall body (1), a pouring hole (4) is formed in the double-sided concrete wall body (1), the bottom of the pouring hole (4) is communicated with the pouring groove (3), the double-sided concrete wall body (1) is seated on a foundation (5), the double-sided concrete wall body (1) is connected with the foundation (5) through an anchor, the double-sided concrete wall body (1) is arranged in the middle of a road, the bottoms of the two sides of the double-sided concrete wall body (1) are embedded in a road surface (2), and the double-sided concrete wall body (1) is connected into a whole through a longitudinal connecting piece.
2. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the anchor assembly is U-shaped steel bar (6), still include n-type steel bar (7), U-shaped steel bar (6) vertical interval sets up in pouring groove (3), U-shaped steel bar (6) opening direction up and anchor in two-sided concrete wall (1), n-type steel bar (7) vertical interval pre-buried in basis (5), n-type steel bar (7) opening direction down and anchor in basis (5), when hoist and mount two-sided concrete wall (1), U-shaped steel bar (6) staggered insertion n-shaped steel bar (7) spaced space is dislocation set, the crossing scope of two closed forms airtight space, and penetrate vertical anchor muscle (8) through penetrating muscle pipe (9), after vertical anchor muscle (8) overlap joint respectively with U-shaped steel bar (6) and n-shaped steel bar (7) ligature fixed, it is hollow steel pipe to wear muscle pipe (9).
3. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the setting position of the pouring groove (3) comprises a built-in type and an offset type, the built-in type is that the bottom of the double-sided concrete wall body (1) is drawn out of the pouring groove (3), the thickness of a concrete structure is reserved at two sides of the pouring groove (3) and is larger than 10cm, a construction rib is arranged in the concrete structure, the pouring groove (3) does not need to be provided with an outer side template, the offset type is that the pouring groove (3) is drawn out of one side bottom of the double-sided concrete wall body (1), the concrete structure is reserved at the other side, the construction rib is arranged in the concrete structure, and one side of the pouring groove (3) needs to be provided with the outer side template.
4. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the arrangement positions of the pouring holes (4) are included on the top or two sides of the double-sided concrete wall body (1).
5. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the longitudinal connecting piece is in a groove type box connecting form or a tongue-and-groove connecting form;
when the longitudinal connecting piece is a groove-shaped box with a wide upper part and a narrow lower part, the groove-shaped box comprises lifting rings (10), the longitudinal connecting piece is pre-buried at two ends of the top of the double-sided concrete wall body (1), the lifting rings (10) are vertically welded in the groove-shaped box, when the double-sided concrete wall body (1) is lifted, the lifting rings (10) at the two ends are used for lifting, splicing bolt holes (11) are formed in the vertical sides of the side surfaces of the groove-shaped box, and splicing bolts (12) penetrate into the splicing bolt holes (11) to form connection;
when the longitudinal connecting piece is in a tongue-and-groove connection mode, the longitudinal connecting piece comprises a groove (17) and tenons (18), the groove (17) and the tenons (18) are respectively arranged at two ends of the double-sided concrete wall body (1), and when the two double-sided concrete wall bodies (1) are connected, one tenon (18) at one end is inserted into the groove (17) in an aligned mode, so that tongue-and-groove connection is formed.
6. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the double-sided concrete wall body (1) further comprises a grout outlet hole (13), the grout outlet hole (13) is formed in two ends of the double-sided concrete wall body (1), when the double-sided concrete wall body (1) is connected with a foundation (5) in an anchoring mode, grouting materials (14) are poured into the pouring groove (3) from top to bottom through the pouring hole (4), air in the pouring groove (3) is discharged through the grout outlet hole (13), and meanwhile, after the pouring groove (3) is filled, redundant grouting materials (14) overflow through the grout outlet hole (13).
7. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the gap between the bottom surface of the double-sided concrete wall body (1) and the foundation (5) is provided with a leveling layer (15), and the thickness of the leveling layer (15) is changed according to the same overall elevation.
8. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the longitudinal connecting piece is anchored with the double-sided concrete wall body (1) through the embedded ribs (16), the embedded ribs (16) are welded on the other three sides of the groove type box, which are not provided with the splicing bolt holes (11), respectively, and the embedded ribs (16) are anchored inside the double-sided concrete wall body (1).
9. The zonal secondary pouring embedded concrete guardrail structure of claim 1, wherein: the slope forms of the collision surfaces on the two sides of the double-sided concrete wall body (1) are F-shaped slopes, or reinforced slopes, or single slopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320522741.0U CN219731796U (en) | 2023-03-17 | 2023-03-17 | Well divide area secondary to pour built-in concrete guardrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320522741.0U CN219731796U (en) | 2023-03-17 | 2023-03-17 | Well divide area secondary to pour built-in concrete guardrail structure |
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| Publication Number | Publication Date |
|---|---|
| CN219731796U true CN219731796U (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320522741.0U Active CN219731796U (en) | 2023-03-17 | 2023-03-17 | Well divide area secondary to pour built-in concrete guardrail structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219731796U (en) |
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2023
- 2023-03-17 CN CN202320522741.0U patent/CN219731796U/en active Active
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