CN219280573U - Combined wave beam guardrail foundation structure - Google Patents
Combined wave beam guardrail foundation structure Download PDFInfo
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- CN219280573U CN219280573U CN202320162617.8U CN202320162617U CN219280573U CN 219280573 U CN219280573 U CN 219280573U CN 202320162617 U CN202320162617 U CN 202320162617U CN 219280573 U CN219280573 U CN 219280573U
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- beam guardrail
- steel sleeve
- guardrail
- foundation
- wave beam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model discloses a combined waveform beam guardrail foundation structure which comprises a combined waveform beam guardrail foundation, a pre-buried steel sleeve, reinforcing ribs, waveform beam guardrails and the like. The combined waveform beam guardrail base is trapezoidal in cross section, shoulder pads and waveform beam guardrail bases are combined into a whole, and the combined waveform beam guardrail base is formed by casting at one time and is used for road sections where guardrail posts are difficult to drive in or the requirement of burial depth is difficult to meet and concrete bases are required to be arranged. The utility model comprehensively considers the factors such as the position relation with the shoulder pad, the pavement structure thickness and the like, combines the B1 type embedded steel sleeve foundation form to have the advantage that the foundation and the waveform beam guardrail are separately constructed, can reduce the cross operation, combines the shoulder pad and the waveform beam guardrail foundation into a whole, sets the embedded steel sleeve and the reinforcing rib, and performs casting molding once, thereby reducing the working procedures of respectively constructing the shoulder pad and the guardrail foundation, avoiding the problems of position conflict, waste engineering and the like caused by the respective construction, and further enhancing the stability of the guardrail foundation by the continuous strip-shaped trapezoid foundation.
Description
Technical Field
The utility model belongs to the field of civil engineering, and particularly relates to a combined waveform beam guardrail foundation structure.
Background
The wave-shaped guard rail upright post is difficult to drive into or meet the requirement of the burial depth, and a C-shaped concrete foundation which is buried independently is arranged according to the design rule of highway traffic safety facilities (JTG/T D81-2017). The C-shaped concrete foundation form provided by the road traffic safety facility design specification is embedded in the independent concrete foundation form, the shoulder pad is not considered, and the concrete foundation form often collides with the shoulder pad in an actual project; and the synchronous construction of the foundation and the wave beam guard rail increases the cross operation. In the actual project, the construction division generally divides the shoulder pad and the wave-shaped guardrail foundation into two construction parties of civil engineering and traffic safety for construction respectively, and the construction coordination procedure is increased; when the coordination is not in place, the problems of position conflict, waste engineering and the like are caused.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides a combined waveform beam guardrail foundation structure, which comprehensively considers the factors such as the position relation with the shoulder pad, the pavement structure thickness and the like, combines the B1 type embedded steel sleeve foundation form to have the advantage that the foundation and the waveform beam guardrail are separately constructed, can reduce the cross operation, combines the shoulder pad and the waveform beam guardrail foundation into a whole, is provided with the embedded steel sleeve and the reinforcing rib, is formed by casting at one time, reduces the working procedures of respectively constructing the shoulder pad and the guardrail foundation, avoids the problems of position conflict, waste engineering and the like caused by the respective construction, and further enhances the stability of the guardrail foundation by the continuous strip-shaped trapezoid foundation.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a combination formula wave form roof beam guardrail foundation structure, includes combination formula wave form roof beam guardrail basis, pre-buried steel sleeve, steel bottom plate, strengthening rib, stirrup, wave form roof beam guardrail, underlayment and roadbed, combination formula wave form roof beam guardrail basis is pour in underlayment top surface or roadbed top surface, is provided with a plurality of pre-buried steel sleeve, strengthening rib and stirrup in the combination formula wave form roof beam guardrail basis, and the stirrup is connected with pre-buried steel sleeve and strengthening rib electric welding, and pre-buried steel sleeve bottom has the steel bottom plate, connects the wave form roof beam guardrail on the pre-buried steel sleeve.
Furthermore, the combined type wave beam guardrail foundation is trapezoid in section, the slope rate of trapezoid hypotenuse is consistent with that of filling slope, the height is determined according to the thickness of the pavement structure, the height is not less than 50cm, the top width is equal to the width of a soil road shoulder, and the concrete strength grade is C30.
Further, the specification and the size of the embedded steel sleeve are phi 245 multiplied by 7 multiplied by 400mm, the transverse position is determined according to the central position of the upright post of the waveform beam guardrail, the setting interval is determined according to the grade of the waveform beam guardrail, and the thickness of the concrete protection layer at the outer side of the embedded steel sleeve is not less than 20cm.
Further, the steel bottom plate has the specification and the size of phi 255 multiplied by 5mm, the thickness of the steel plate is 5mm, and the steel bottom plate is welded with the bottom of the embedded steel sleeve.
Further, the reinforcing ribs are embedded steel sleeve reinforcing ribs, the diameter of each reinforcing rib is phi 16mm, the clear distance is 5cm, four reinforcing ribs are arranged above the outer side of each embedded steel sleeve, two reinforcing ribs are arranged below the inner side of each embedded steel sleeve, and the shape of each reinforcing rib is adjusted according to the distance between the embedded steel sleeves.
Furthermore, the stirrup is used as a basic transverse stirrup, and simultaneously is a pre-buried steel sleeve fixed steel bar, the diameter of the steel bar is phi 8mm, and the height is determined according to the height of the combined wave beam guardrail foundation, and is in electric welding connection with the pre-buried steel sleeve and the reinforcing rib.
Further, the height of the center of the wavy beam guardrail and the height of the beam plate are 697mm away from the road surface, the length of the upright post is determined according to the grade of the guardrail, the embedded steel sleeve is embedded for 40cm, the galvanized quantity of the cold-formed steel part used for the wavy beam guardrail is not less than 600g per square meter, and the galvanized quantity of the fastening piece and the connecting piece is not less than 350g per square meter.
The utility model has the beneficial effects that:
the utility model combines the shoulder pad and the wave beam guardrail foundation into a whole, and the utility model is formed by casting once, thereby reducing the working procedures of respectively constructing the shoulder pad and the guardrail foundation, avoiding the problems of position conflict, waste engineering and the like caused by respectively constructing, and further enhancing the stability of the guardrail foundation by the continuous strip-shaped trapezoid foundation.
Drawings
FIG. 1 is a schematic side view of the present utility model;
FIG. 2 is a schematic front view of the present utility model;
FIG. 3 is a large scale view of the present utility model;
fig. 4 is a plan view of the reinforcing bars and stirrups of the present utility model.
In the figure: 1-combined wave beam guardrail foundation, 2-embedded steel sleeve, 3-steel bottom plate, 4-reinforcing rib, 5-stirrup, 6-wave beam guardrail, 7-subbase layer and 8-road bed.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
As shown in fig. 1-4, the combined wave beam guardrail foundation structure is characterized in that a combined wave beam guardrail foundation 1 is arranged on the top surface of a subbase layer 7 or a roadbed 8, hoops 5 are arranged to be connected with pre-buried steel sleeves 2 and reinforcing ribs 4 in an electric welding manner, a vertical mould is used for casting and forming at one time, a stable wave beam guardrail strip foundation is formed, a shoulder pad and the wave beam guardrail foundation are combined into a whole, and the wave beam guardrail 6 is assembled after the foundation strength reaches the requirement.
As shown in fig. 1, the compactness and flatness of the constructed subbase layer 7 or the roadbed 8 should meet the related specification requirements. The width of the foundation of the wave-shaped beam guardrail meets the thickness requirement of the protection layer on the outer side of the embedded steel sleeve, and the height meets the embedded depth of the embedded steel sleeve.
As shown in fig. 4, the reinforcing ribs 4 and the stirrups 5 are processed, the reinforcing steel bars are accurately positioned and placed according to the spacing between the upright posts of the guardrail of the wave beam, and the reinforcing steel bars are electrically welded.
Preferably, four reinforcing ribs 4 are arranged on the upper side of the outer side of the embedded steel sleeve 2, and two reinforcing ribs 4 are arranged on the lower side of the inner side of the embedded steel sleeve.
As shown in FIGS. 3-4, the SB-level wave beam guardrail is taken as an example and has the unit of cm. Firstly, machining a pre-buried steel sleeve 2 and a steel bottom plate 3, and forming a single pre-buried part by adopting electric welding connection. And the welding is firm with the stirrup 5 according to the accurate positioning of the spacing between the upright posts of the guardrail of the wave beam.
The length of the single combined type wave beam guardrail foundation 1 is integral multiple +0.6m of the distance between the upright posts, and the length is not more than 10.6m. Expansion joints are arranged among the combined wave beam guardrail foundations.
And standing a mould to pour foundation concrete, wherein the strength grade of the concrete is C30. When concrete is poured, the pre-buried steel sleeve is prevented from shifting. And curing in time after the concrete pouring is completed, and removing the foundation template after the strength requirement is met.
As shown in fig. 1-3, the assembly of the corrugated beam guardrail upright post and the beam plate is carried out, and the upright post is filled with plain concrete after being inserted into the embedded steel sleeve 2.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (7)
1. A combined wave beam guardrail foundation structure is characterized in that: including combination formula wave form roof beam guardrail basis (1), pre-buried steel sleeve (2), steel bottom plate (3), strengthening rib (4), stirrup (5), wave form roof beam guardrail (6), subbase (7) and roadbed (8), combination formula wave form roof beam guardrail basis (1) are pour in subbase (7) top surface or roadbed (8) top surface, are provided with a plurality of pre-buried steel sleeve (2), strengthening rib (4) and stirrup (5) in combination formula wave form roof beam guardrail basis (1), and stirrup (5) are connected with pre-buried steel sleeve (2) and strengthening rib (4) electric welding, and pre-buried steel sleeve (2) bottom has steel bottom plate (3), connects wave form roof beam guardrail (6) on pre-buried steel sleeve (2).
2. The modular wave beam guardrail substructure of claim 1, wherein: the combined type wave beam guardrail foundation (1) is trapezoid in section, the slope rate of trapezoid hypotenuse is consistent with that of a filling slope, the height is determined according to the thickness of a pavement structure, the height is not less than 50cm, the top width is equal to the width of a soil road shoulder, and the strength grade of concrete is C30.
3. The modular wave beam guardrail substructure of claim 1, wherein: the specification and the size of the embedded steel sleeve (2) are phi 245 multiplied by 7 multiplied by 400mm, the transverse position is determined according to the central position of the upright post of the waveform beam guardrail (6), the setting interval is determined according to the grade of the waveform beam guardrail (6), and the thickness of the concrete protective layer at the outer side of the embedded steel sleeve (2) is not less than 20cm.
4. The modular wave beam guardrail substructure of claim 1, wherein: the steel bottom plate (3) has the specification and the size of phi 255 multiplied by 5mm, the thickness of the steel plate is 5mm, and the steel plate is welded with the bottom of the embedded steel sleeve (2).
5. The modular wave beam guardrail substructure of claim 1, wherein: the reinforcing ribs (4) are reinforcing steel bars of the embedded steel sleeve (2), the diameter of the reinforcing steel bars is phi 16mm, the clear distance is 5cm, four reinforcing steel bars are arranged above the outer side of the embedded steel sleeve (2), two reinforcing steel bars are arranged below the inner side of the embedded steel sleeve, and the shape of the reinforcing steel bars is adjusted according to the distance between the embedded steel sleeve (2).
6. The modular wave beam guardrail substructure of claim 1, wherein: the stirrup (5) is used as a basic transverse stirrup, and simultaneously fixes the reinforcing steel bar for the embedded steel sleeve (2), the diameter of the reinforcing steel bar is phi 8mm, and the height is determined according to the height of the combined type wave beam guardrail foundation (1), and is in electric welding connection with the embedded steel sleeve (2) and the reinforcing steel bar (4).
7. The modular wave beam guardrail substructure of claim 1, wherein: the center height of the wave beam guardrail (6) is 697mm away from the road surface, the length of the upright post is determined according to the grade of the guardrail, the embedded steel sleeve (2) is buried for 40cm, the galvanized quantity of the cold-formed steel part used for the wave beam guardrail (6) is not less than 600 g/square meter, and the galvanized quantity of the fastener and the connecting piece is not less than 350 g/square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320162617.8U CN219280573U (en) | 2023-02-09 | 2023-02-09 | Combined wave beam guardrail foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320162617.8U CN219280573U (en) | 2023-02-09 | 2023-02-09 | Combined wave beam guardrail foundation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219280573U true CN219280573U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320162617.8U Active CN219280573U (en) | 2023-02-09 | 2023-02-09 | Combined wave beam guardrail foundation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219280573U (en) |
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2023
- 2023-02-09 CN CN202320162617.8U patent/CN219280573U/en active Active
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