CN214882813U - Auxiliary construction device for continuous reinforced concrete composite pavement expansion joint - Google Patents
Auxiliary construction device for continuous reinforced concrete composite pavement expansion joint Download PDFInfo
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- CN214882813U CN214882813U CN202120392613.XU CN202120392613U CN214882813U CN 214882813 U CN214882813 U CN 214882813U CN 202120392613 U CN202120392613 U CN 202120392613U CN 214882813 U CN214882813 U CN 214882813U
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Abstract
The utility model discloses an auxiliary construction device for continuous reinforced concrete composite pavement expansion joints, which comprises a supporting device and passing devices, wherein the supporting device is arranged on the pavement expansion joints, and the passing devices are arranged on two sides of the supporting device; the supporting device comprises channel steel, supporting section steel and a horizontal steel plate, wherein the channel steel is arranged on two sides of an expansion joint and is transversely placed along a road, the horizontal steel plate is arranged above the channel steel, and the supporting section steel is arranged between the horizontal steel plate and the channel steel. This device preparation is convenient, and the practicality is strong, but cyclic utilization guarantees later stage expansion joint installation quality, improves this asphalt concrete construction quality.
Description
Technical Field
The utility model relates to a road engineering technical field, concretely relates to an auxiliary construction device for continuous reinforced concrete combined type road surface expansion joint.
Background
The continuous reinforced concrete composite pavement is a pavement compounded by an asphalt mixture wearing layer and a continuous reinforced cement concrete structure layer. The continuous reinforced concrete structure layer is longitudinally provided with continuous steel bars, transversely is not provided with shrinkage joints, and can accumulate larger horizontal displacement and horizontal thrust in the longitudinal direction of a road. Therefore, it is necessary to arrange anchoring structures or expansion joints transversely at the ends of the road at regular intervals to release the displacement and thrust. Currently, the commonly used end treatment methods are: reinforced concrete ground beam, wide flange I-shaped steel, hair strangler type expansion joint and the like. Due to the characteristics of mature technology and simple and convenient construction, the hairless expansion joint is widely applied in engineering practice. However, in the construction process, after the circumferential embedded steel bars at the cement concrete layer of the expansion joint are constructed, the circumferential embedded steel bars at the expansion joint are crushed and deformed by construction vehicles due to the passing of the construction vehicles at the two sides of the expansion joint before the asphalt is paved and the hairless expansion joint is installed on the composite continuous reinforced concrete pavement, so that the construction quality of the hairless expansion joint is influenced. Therefore, the auxiliary construction device capable of protecting the embedded steel bars at the expansion joint from being rolled by a construction vehicle is researched, and the auxiliary construction device has important significance for improving the construction quality of the continuous reinforced concrete composite pavement expansion joint.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide an auxiliary construction equipment for joining in marriage reinforced concrete combined type road surface expansion joint in succession, this device preparation is convenient, and the practicality is strong, but cyclic utilization guarantees later stage expansion joint installation quality, improves this asphalt concrete construction quality.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
an auxiliary construction device for a continuous reinforced concrete composite pavement expansion joint comprises a supporting device and passing devices, wherein the supporting device is arranged on the pavement expansion joint, and the passing devices are arranged on two sides of the supporting device;
the supporting device comprises channel steel, supporting section steel and a horizontal steel plate, wherein the channel steel is arranged on two sides of an expansion joint and is transversely placed along a road, the horizontal steel plate is arranged above the channel steel, and the supporting section steel is arranged between the horizontal steel plate and the channel steel.
According to the technical scheme, the top of the channel steel is flush with the top surface of the asphalt concrete surface layer of the road.
According to the technical scheme, the supporting section steel is I-shaped steel, the I-shaped steel is arranged above channel steel, the horizontal steel plate is arranged above the I-shaped steel, two ends of the I-shaped steel are respectively connected with the channel steel on two sides of the circumferential embedded steel bar of the expansion joint, the length direction of the I-shaped steel is consistent with the driving direction of the road, and the I-shaped steel is transversely arranged along the road at intervals; the length of the I-shaped steel is the sum of the distance between the outside of the circumferential embedded steel bars on the two sides of the expansion joint and the width of the channel steel on the two sides.
According to the technical scheme, the width of the horizontal steel plate is consistent with the length of the I-shaped steel, and the length of the horizontal steel plate is consistent with the length of the channel steel.
According to the technical scheme, two ends of the passing device are respectively connected with the supporting device and the continuous reinforced concrete panel of the road.
According to the technical scheme, the passing device comprises the inclined steel plate and the steel bar support, the steel bar support is arranged on the rear side of the channel steel, one side of the steel bar support is connected with the continuous reinforced concrete panel, the other side of the steel bar support is connected with the channel steel, and the inclined steel plate is arranged on the outer side of the steel bar support.
According to the technical scheme, the anchor bolts are arranged on two sides of the outer edge of the inclined steel plate and are vertically driven into the continuous reinforced concrete panel of the road.
According to the technical scheme, the steel bar support is formed by welding steel bars and is in a right-angled triangle shape, the right-angled edge on one side is abutted against the continuous reinforced concrete panel, and the right-angled edge on one side is abutted against the channel steel.
According to the technical scheme, the slope rate of the bevel edge of the bevel steel plate is not less than 12%.
According to the technical scheme, the horizontal steel plate is connected with the I-shaped steel through the connecting bolt, and the I-shaped steel is connected with the channel steel through the connecting bolt.
According to the technical scheme, the support section steel is not limited to I-shaped steel, but also comprises H-shaped steel, channel steel, square tubes or flat steel and the like.
The utility model discloses following beneficial effect has:
the utility model has the advantages of convenient manufacture, strong practicability and cyclic utilization, can ensure the construction of the pre-buried steel bars at the expansion joint after the construction of the pre-buried steel bars at the expansion joint, and avoid the deformation of the pre-buried circumferential steel bars rolled by the construction vehicle before the asphalt is paved on the continuous reinforced concrete composite pavement and the hairless expansion joint is installed through the complete structure formed by the supporting device and the passing device, thereby ensuring the installation quality of the expansion joint at the later stage; in addition, the channel steel can provide support for asphalt paving and rolling at the end part of the expansion joint, and the construction quality of asphalt concrete at the position is improved.
Drawings
FIG. 1 is a schematic structural view of an auxiliary construction device for continuous reinforced concrete composite pavement expansion joints in the embodiment of the present invention;
in the figure, 1-supporting device, 1-1-channel steel, 1-2-I-shaped steel, 1-3-connecting bolt, 1-4-horizontal steel plate, 2-passing device, 2-1-steel bar support, 2-2-inclined steel plate, 2-3-anchoring bolt, 3-annular embedded steel bar, 4-continuous reinforced concrete panel, 5-asphalt concrete surface layer, 6-hairless expansion joint and 7-concrete at the upper part of the expansion joint.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the utility model provides an embodiment is used for supplementary construction equipment of continuous reinforced concrete combined type road surface expansion joint, including strutting arrangement 1 and pass device 2, strutting arrangement 1 arranges on road expansion joint, and strutting arrangement's lower extreme inlays in the continuous reinforced concrete panel of road, and pass device 2 arranges in strutting arrangement 1's both sides;
the supporting device 1 comprises channel steel 1-1, I-beams 1-2 and horizontal steel plates 1-4, wherein the channel steel 1-1 is arranged on two sides of an annular embedded steel bar 3 of an expansion joint and is transversely placed along a road, the I-beams 1-2 are arranged above the channel steel 1-1, two ends of the I-beams 1-2 are respectively connected with the channel steel 1-1 on two sides of the expansion joint, the length direction of the I-beams 1-2 is consistent with the driving direction of the road, the I-beams 1-2 are transversely arranged along the road at intervals, and the horizontal steel plates 1-4 are arranged above the I-beams 1-2.
The I-shaped steel can also be replaced by H-shaped steel, channel steel, square tubes or flat steel.
Furthermore, the top of the channel steel 1-1 is flush with the top surface of the asphalt concrete surface layer 5 of the road, and the I-steel 1-2 is arranged on the expansion joint in a spanning mode.
Further, the length of the I-shaped steel 1-2 is the sum of the distance between the outer sides of the circumferential embedded steel bars 3 on the two sides of the expansion joint and the width of the channel steel 1-1 on the two sides.
Further, the width of the horizontal steel plate 1-4 is consistent with the length of the I-shaped steel 1-2, and the length of the horizontal steel plate 1-4 is consistent with the length of the channel steel 1-1.
Further, both ends of the passage means 2 are connected with the support means 1 and the continuous reinforced concrete panels 4 of the road, respectively.
Further, the passing device 2 comprises an inclined steel plate 2-2 and a steel bar support 2-1, the steel bar support 2-1 is arranged on the rear side of the channel steel 1-1, one side of the steel bar support 2-1 is connected with the continuous reinforced concrete panel 4, the other side of the steel bar support is connected with the channel steel 1-1, and the inclined steel plate 2-2 is arranged on the outer side of the steel bar support 2-1.
Further, the inclined steel plate 2-2 is connected with the steel bar support 2-1 through welding.
Furthermore, anchor bolts 2-3 are arranged on two sides of the outer edge of the inclined steel plate 2-2, and the anchor bolts 2-3 are vertically driven into a continuous reinforced concrete panel 4 of the road to prevent the inclined steel plate 2-2 and the steel bar support 2-1 from horizontally sliding.
Further, the steel bar support 2-1 is formed by welding steel bars and is in a right-angled triangle shape, a right-angled edge on one side is abutted against the continuous reinforced concrete panel 4, and a right-angled edge on one side is abutted against the channel steel 1-1.
Further, the bevel-side slope rate of the bevel steel plate 2-2 is not less than 12%.
Further, the horizontal steel plates 1-4 are connected with the I-beams 1-2 through connecting bolts 1-3, and the I-beams 1-2 are connected with the channel steel 1-1 through connecting bolts 1-3.
Further, the expansion joint is a hairless expansion joint 6.
The utility model discloses a theory of operation: and after the continuous reinforced concrete panels 4 are completely constructed, removing the passing device 2, and constructing the asphalt concrete surface layers 5 on the two sides of the expansion joint. At the moment, the channel steel 1-1 can provide support for paving and rolling the asphalt concrete surface layers 5 on the two sides, and the construction quality of the asphalt concrete surface layers 5 at the position can be improved.
According to the technical scheme, after the construction of the asphalt concrete surface layers 5 on the two sides of the channel steel 1-1 is completed, the supporting device 1 is lifted and moved, the hairless expansion joint 6 is installed, concrete 7 on the upper portion of the expansion joint is poured, and the traffic is opened after the concrete is cured to reach the designed strength.
Referring to fig. 1, the utility model provides an auxiliary construction device for continuous reinforced concrete combined type road surface expansion joint department, including strutting arrangement 1 and current device 2. The supporting device 1 is composed of channel steel 1-1, I-shaped steel 1-2, horizontal steel plates 1-4 and connecting bolts 1-3. The passing device 2 consists of an inclined steel plate 2-2, a steel bar bracket 2-1, a connecting bolt 1-3 and an anchoring bolt 2-3.
Further, channel steel 1-1 is arranged on two sides of the expansion joint annular embedded steel bar 3 and transversely placed along a road, the length of the channel steel 1-1 is determined according to the passing width of a construction vehicle, and the height of the channel steel 1-1 needs to ensure that the top of the channel steel 1-1 is flush with the top surface of the asphalt concrete surface layer 5.
Further, the I-beams 1-2 are arranged above the channel steel 1-1, the length of the I-beams 1-2 is the sum of the distance between the circumferential embedded steel bars 3 at two sides of the expansion joint and the width of the channel steel 1-1 at two sides, the length direction of the I-beams 1-2 is consistent with the driving direction of the road, and the arrangement interval of the I-beams 1-2 along the transverse direction of the road is about 50 cm.
Further, the I-shaped steel 1-2 and the channel steel 1-1 are firmly connected through the connecting bolts 1-3.
Further, horizontal steel plates 1-4 are arranged above the I-beams 1-2, the width of each horizontal steel plate 1-4 is consistent with the length of each I-beam 1-2, and the length of each horizontal steel plate is consistent with the length of each channel steel 1-1.
Further, the horizontal steel plates 1-4 and the I-shaped steel 1-2 are firmly connected through the connecting bolts 1-3.
Further, the steel bar support 2-1 is placed on two sides of the channel steel 1-1, the steel bar support 2-1 is formed by welding steel bars and is in a right-angled triangle shape, a right-angled edge on one side is abutted against the continuous reinforced concrete panel 4, a right-angled edge on one side is abutted against the channel steel 1-1, and the slope rate of the inclined edge is 12%.
Further, the steel bar supports 2-1 are transversely arranged along the road, the arrangement area is within the length range of channel steel 1-1, and the arrangement distance is 50 cm.
Furthermore, the inclined steel plate 2-2 is placed on the steel bar support 2-1 and is connected with the steel bar support 2-1 through welding.
Furthermore, the anchor bolts 2-3 are vertically driven into the continuous reinforced concrete panel 4 at two sides of the inclined steel plate 2-2, so that the inclined steel plate 2-2 and the steel bar support 2-1 are prevented from horizontally sliding.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (10)
1. An auxiliary construction device for a continuous reinforced concrete composite pavement expansion joint is characterized by comprising a supporting device and passing devices, wherein the supporting device is arranged on the pavement expansion joint, and the passing devices are arranged on two sides of the supporting device;
the supporting device comprises channel steel, supporting section steel and a horizontal steel plate, wherein the channel steel is arranged on two sides of an expansion joint and is transversely placed along a road, the horizontal steel plate is arranged above the channel steel, and the supporting section steel is arranged between the horizontal steel plate and the channel steel.
2. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 1, wherein the top of the channel steel is flush with the top surface of the asphalt concrete pavement of the road.
3. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 1, wherein the support section steel is an i-steel, the i-steel is disposed above the channel steel, the horizontal steel plate is disposed above the i-steel, two ends of the i-steel are respectively connected with the channel steel on two sides of the circumferential embedded steel bar of the expansion joint, the length direction of the i-steel is consistent with the driving direction of the road, and the i-steel is arranged at intervals along the road in a transverse direction.
4. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 3, wherein the horizontal steel plate is connected with the I-shaped steel through the connecting bolt, and the I-shaped steel is connected with the channel steel through the connecting bolt; the length of the I-shaped steel is the sum of the distance between the outside of the circumferential embedded steel bars on the two sides of the expansion joint and the width of the channel steel on the two sides.
5. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 3, wherein the width of the horizontal steel plate is consistent with the length of the I-shaped steel, and the length of the horizontal steel plate is consistent with the length of the channel steel.
6. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 1, wherein both ends of the passing means are connected with the supporting means and the continuous reinforced concrete panels of the road, respectively.
7. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 6, wherein the passing device comprises an inclined steel plate and a steel bar support, the steel bar support is arranged at the rear side of the channel steel, one side of the steel bar support is connected with the continuous reinforced concrete panel, the other side of the steel bar support is connected with the channel steel, and the inclined steel plate is arranged at the outer side of the steel bar support.
8. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 7, wherein anchor bolts are arranged at both sides of the outer edge of the inclined steel plate, and the anchor bolts are vertically driven into the continuous reinforced concrete panels of the road.
9. The auxiliary construction device for the continuous reinforced concrete composite pavement expansion joint as claimed in claim 7, wherein the reinforcing steel bar bracket is formed by welding reinforcing steel bars and has a shape of a right triangle, one right-angle side is abutted against the continuous reinforced concrete panel, and the other right-angle side is abutted against the channel steel.
10. The auxiliary construction device for an expansion joint of a continuous reinforced concrete composite pavement according to claim 7, wherein the slope rate of the inclined side of the inclined steel plate is not less than 12%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392613.XU CN214882813U (en) | 2021-02-22 | 2021-02-22 | Auxiliary construction device for continuous reinforced concrete composite pavement expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392613.XU CN214882813U (en) | 2021-02-22 | 2021-02-22 | Auxiliary construction device for continuous reinforced concrete composite pavement expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214882813U true CN214882813U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120392613.XU Active CN214882813U (en) | 2021-02-22 | 2021-02-22 | Auxiliary construction device for continuous reinforced concrete composite pavement expansion joint |
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| Country | Link |
|---|---|
| CN (1) | CN214882813U (en) |
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2021
- 2021-02-22 CN CN202120392613.XU patent/CN214882813U/en active Active
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