CN213772775U - Assembled cement road surface structure - Google Patents
Assembled cement road surface structure Download PDFInfo
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- CN213772775U CN213772775U CN202022690249.3U CN202022690249U CN213772775U CN 213772775 U CN213772775 U CN 213772775U CN 202022690249 U CN202022690249 U CN 202022690249U CN 213772775 U CN213772775 U CN 213772775U
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Abstract
The assembled cement road surface structure includes road surface divided into wheel pressure area and non-wheel pressure area; the structure of the roller comprises a base layer, wherein two base layer grooves corresponding to a roller press area are formed in the base layer; the groove is internally provided with wheel-pressing area prefabricated cement pavement blocks which are mutually connected front and back, the upper parts of which are higher than the upper surface of the base layer, and the bottoms of which are provided with bending-resistant longitudinal bars and transverse bars; a non-wheel-pressing-area prefabricated cement pavement block A is arranged between the two wheel-pressing-area prefabricated cement pavement blocks, and non-wheel-pressing-area prefabricated cement pavement blocks B are respectively arranged on two sides of the non-wheel-pressing-area prefabricated cement pavement block A; wet joints made of ultra-high performance concrete are arranged among the prefabricated concrete pavement blocks. The cement pavement thickness of the wheel-pressing area of the pavement structure is larger than that of the cement pavement of the non-wheel-pressing area, and the reinforcements are only arranged in the cement pavement of the wheel-pressing area, so that the cement pavement can have enough bearing capacity, and the consumption of cement and reinforcing steel bars is saved; the wheel-pressing area prefabricated cement pavement block and the non-wheel-pressing area prefabricated cement pavement block can be produced in a factory, the site construction is convenient, the construction workload is small, and the construction period is short.
Description
Technical Field
The utility model relates to a road engineering specifically is an assembly cement road surface structure.
Background
If the ordinary cement pavement is not provided with ribs, the ordinary cement pavement is easy to generate diseases and even damage under the action of bearing external factors such as traffic flow, load, abrasion and the like for a long time. If the cement road surface is provided with the reinforcement, although the safety and the durability of the cement road surface can be effectively ensured, the construction cost can be greatly increased.
The ZL201510756271.4 patent discloses a wharf concrete road structure, which is divided into a wheel pressure area and a non-wheel pressure area according to the track of a traveling wheel, and the anti-bending and anti-cracking bearing capacity of a cement road surface is improved by arranging compression-resistant reinforcing steel bars, anti-bending reinforcing steel bars and longitudinal reinforcing steel bars in the cement road surface; meanwhile, the cement pavement of the wheel pressing area and the cement pavement of the non-wheel pressing area are respectively reinforced to improve the safety and the durability. However, the concrete road has two disadvantages: firstly, its wheel nip cement road surface is the same with non-wheel nip cement road surface thickness, and all the arrangement of reinforcement, and non-wheel nip cement road surface does not need the same thickness and arrangement of reinforcement with wheel nip cement road surface according to its atress degree, causes building material's waste from this. Secondly, the construction amount of the road on site is large, the working procedure is complex, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned concrete road structure, the utility model provides an assembled cement road surface structure.
The utility model provides an assembly type cement pavement structure, the pavement is divided into a wheel pressure area and a non-wheel pressure area according to the track of a driving wheel; the structure of the roller comprises a base layer, wherein two base layer grooves corresponding to a roller press area are formed in the base layer; the two base layer grooves are respectively provided with wheel-pressing area prefabricated cement pavement blocks which are mutually connected front and back, the upper parts of which are higher than the upper surface of the base layer, and the bottoms of which are provided with bending-resistant longitudinal bars and transverse bars; a non-wheel-pressing-area prefabricated cement pavement block A which is butted with the two wheel-pressing-area prefabricated cement pavement blocks is arranged between the parts, higher than the upper surface of the base layer, of the two wheel-pressing-area prefabricated cement pavement blocks; the two sides of the part of the prefabricated cement pavement blocks in the two wheel pressing areas, which is higher than the upper surface of the base layer, are respectively provided with a prefabricated cement pavement block B in a non-wheel pressing area, which is butted with the prefabricated cement pavement blocks in the wheel pressing areas; wet joints formed by ultrahigh-performance concrete are respectively arranged between the wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement blocks A, between the wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement blocks B, between the front wheel-pressing area prefabricated cement pavement blocks and the rear wheel-pressing area prefabricated cement pavement blocks, between the front non-wheel-pressing area prefabricated cement pavement blocks A and between the front non-wheel-pressing area prefabricated cement pavement blocks and the rear non-wheel-pressing area prefabricated cement pavement blocks B.
The two wheel pressing area prefabricated cement pavement blocks and the non-wheel pressing area prefabricated cement pavement block A are mutually butted through a platform arranged on the upper part of the inner side surface (the side surface connected with the non-wheel pressing area prefabricated cement pavement block A) of the wheel pressing area prefabricated cement pavement block and right-angle protrusions arranged on the upper parts of the two side surfaces of the non-wheel pressing area prefabricated cement pavement block A; the wheel pressing area prefabricated cement pavement block is in butt joint with the non-wheel pressing area prefabricated cement pavement block B through a convex block arranged on the upper portion of the outer side of the wheel pressing area prefabricated cement pavement block and a groove arranged on the upper portion of the inner side face (the side face connected with the wheel pressing area prefabricated cement pavement block) of the non-wheel pressing area prefabricated cement pavement block B.
The lengths of the wheel-pressing area prefabricated cement pavement block, the non-wheel-pressing area prefabricated cement pavement block A and the non-wheel-pressing area prefabricated cement pavement block B in the advancing direction of the road are 400-600 cm respectively; the thickness of the prefabricated cement pavement block in the wheel pressing area is 30-40 cm, and the width of the bottom of the prefabricated cement pavement block is 100 cm; the thickness of the non-wheel-pressing area prefabricated cement pavement block A and the thickness of the non-wheel-pressing area prefabricated cement pavement block B are respectively 20-25 cm, the bottom width of the non-wheel-pressing area prefabricated cement pavement block A) is 75cm, and the bottom width of the non-wheel-pressing area prefabricated cement pavement block B is 70 cm.
The width of the wet joint is 2-3 cm.
The bending-resistant longitudinal bars and the transverse bars are HRB 400-grade hot-rolled ribbed bars with the diameter of 12mm respectively and are arranged at intervals of 10-15 cm.
Compared with the existing concrete road structure, the beneficial effects of the utility model are that:
1. the utility model discloses cement road surface structure directly bears the car load based on the prefabricated cement road surface piece in wheel-pressure district, the load effect that receives is big, and the prefabricated cement road surface piece in non-wheel-pressure district does not directly bear the car load, the load effect that receives is little, it is greater than non-wheel-pressure district cement road surface thickness to take wheel-pressure district cement road surface thickness, and only arrangement of reinforcement in wheel-pressure district cement road surface, both can guarantee the sufficient bearing capacity that has on cement road surface, the quantity of saving cement and reinforcing bar again.
2. The utility model discloses cement pavement structure, the prefabricated cement pavement piece in wheel pressure district and the prefabricated cement pavement piece in non-wheel pressure district pass through concave-convex structure butt joint to wet seam that constitutes with the ultra high performance concrete bonds, can make the prefabricated cement pavement piece in wheel pressure district and the prefabricated cement pavement piece in non-wheel pressure district form the road surface wholly, ensure that road surface performance is stable.
3. The utility model discloses cement road surface structure, but its wheel pressure district prefabricated cement road surface piece and non-wheel pressure district prefabricated cement road surface piece batch production, the site operation is convenient, and construction work volume is few, and construction cycle is short.
Drawings
FIG. 1 is a schematic view (cross-sectional view) of the fabricated cement pavement structure of the present invention;
FIG. 2 is a schematic view of the base layer of FIG. 1;
fig. 3 is a schematic diagram of the automobile running on the fabricated cement pavement of the utility model.
The symbols in the figure are as follows: 1-base layer, 2-base layer groove, 3-bending-resistant longitudinal bar, 4-transverse reinforcing bar, 5-wheel-pressing area prefabricated cement pavement block, 6 a-non-wheel-pressing area prefabricated cement pavement block A, 6B-non-wheel-pressing area prefabricated cement pavement block B, 7-wet joint, 8-platform, 9-right-angle projection, 10-projection and 11-groove.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
With reference to fig. 1, 2 and 3, the fabricated cement pavement structure of the present embodiment is divided into a wheel pressure area and a non-wheel pressure area according to the track of a driving wheel; the structure of the roller comprises a base layer 1, wherein two base layer grooves 2 corresponding to a roller press area are arranged on the base layer; the two base layer grooves are respectively provided with wheel-pressing area prefabricated cement pavement blocks 5 which are mutually connected front and back, the upper parts of the wheel-pressing area prefabricated cement pavement blocks are higher than the upper surface of the base layer, and HRB 400-grade hot-rolled ribbed steel bars with the diameter of 12mm and the mutual distance of 15cm are embedded at the bottoms of the wheel-pressing area prefabricated cement pavement blocks. A non-wheel-pressing-area prefabricated cement pavement block A6a butted with the two wheel-pressing-area prefabricated cement pavement blocks is arranged between the parts, higher than the upper surface of the base layer, of the two wheel-pressing-area prefabricated cement pavement blocks; the two sides of the part, higher than the upper surface of the base layer, of the prefabricated cement pavement blocks in the wheel pressing areas are respectively provided with a prefabricated cement pavement block B6B in a non-wheel pressing area, which is butted with the prefabricated cement pavement blocks in the wheel pressing areas, and the lengths of the prefabricated cement pavement blocks in the wheel pressing areas, the prefabricated cement pavement block A in the non-wheel pressing areas and the prefabricated cement pavement block B in the non-wheel pressing areas in the advancing direction of the road are respectively 500 cm; the thickness of the prefabricated cement pavement block in the wheel pressing area is 35cm, and the width of the bottom of the prefabricated cement pavement block is 100 cm; the thickness of the precast cement pavement block A in the non-wheel-pressing area and the thickness of the precast cement pavement block B in the non-wheel-pressing area are respectively 23cm, the width of the bottom of the precast cement pavement block A in the non-wheel-pressing area is 75cm, and the width of the bottom of the precast cement pavement block B in the non-wheel-pressing area is 70 cm. The butt joint mode of the wheel pressure area prefabricated cement pavement block and the non-wheel pressure area prefabricated cement pavement block is as follows: the two wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement block A are mutually butted through a platform 8 arranged on the upper part of the inner side surface (the side surface connected with the non-wheel-pressing area prefabricated cement pavement block A) of the wheel-pressing area prefabricated cement pavement block and a right-angle bulge 9 arranged on the upper part of the two side surfaces of the non-wheel-pressing area prefabricated cement pavement block A; the wheel pressing area precast cement pavement block and the non-wheel pressing area precast cement pavement block B are mutually butted through a convex block 10 arranged on the upper part of the outer side of the wheel pressing area precast cement pavement block and a groove 11 arranged on the upper part of the inner side surface (the side surface connected with the wheel pressing area precast cement pavement block) of the non-wheel pressing area precast cement pavement block B. Wet joints 7 formed by ultrahigh-performance concrete are respectively arranged between the wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement blocks A, between the wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement blocks B, between the front wheel-pressing area prefabricated cement pavement blocks and the rear wheel-pressing area prefabricated cement pavement blocks, between the front non-wheel-pressing area prefabricated cement pavement blocks A and between the front non-wheel-pressing area prefabricated cement pavement blocks and the rear non-wheel-pressing area prefabricated cement pavement blocks B, and the width of each wet joint 7 is 2.5 cm.
The construction method of the fabricated cement pavement structure comprises the following steps in sequence:
step 1: respectively prefabricating a wheel-pressing area prefabricated cement pavement block, a non-wheel-pressing area prefabricated cement pavement block A and a non-wheel-pressing area prefabricated cement pavement block B according to the designed shape and size; when the cement pavement block is prefabricated in the prefabricated wheel pressing area, the bottom of the prefabricated wheel pressing area is embedded with the bending-resistant longitudinal bars and the transverse bars.
Step 2: constructing a base layer, and reserving a base layer groove for placing the wheel nip prefabricated cement pavement block;
and step 3: and placing the wheel-pressing area prefabricated cement pavement block, the non-wheel-pressing area prefabricated cement pavement block A and the non-wheel-pressing area prefabricated cement pavement block B in sequence according to a butt joint mode.
And 4, step 4: and pouring ultrahigh-performance concrete in joints between the prefabricated cement pavement blocks in the wheel-pressing area and the prefabricated cement pavement blocks A in the non-wheel-pressing area, between the prefabricated cement pavement blocks in the wheel-pressing area and the prefabricated cement pavement blocks B in the non-wheel-pressing area, between the prefabricated cement pavement blocks in the front wheel-pressing area and the prefabricated cement pavement blocks in the rear wheel-pressing area, between the prefabricated cement pavement blocks in the front non-wheel-pressing area and between the prefabricated cement pavement blocks in the rear non-wheel-pressing area to form wet joints, so that the pavement is integrated, and the construction of the assembly type cement pavement structure is completed.
Claims (5)
1. The assembled cement road surface structure includes road surface divided into wheel pressure area and non-wheel pressure area; the method is characterized in that: the cement pavement structure comprises a base layer (1), wherein two base layer grooves (2) corresponding to a wheel press area are formed in the base layer; the two base layer grooves are respectively provided with wheel-pressed area prefabricated cement pavement blocks (5) which are mutually connected front and back, the upper parts of which are higher than the upper surface of the base layer, and the bottoms of which are provided with bending-resistant longitudinal bars (3) and transverse reinforcing bars (4); a non-wheel-pressing-area prefabricated cement pavement block A (6a) which is butted with the two wheel-pressing-area prefabricated cement pavement blocks is arranged between the parts, higher than the upper surface of the base layer, of the two wheel-pressing-area prefabricated cement pavement blocks; two sides of the part of the prefabricated cement pavement blocks in the two wheel-pressing areas, which is higher than the upper surface of the base layer, are respectively provided with a prefabricated cement pavement block B (6B) in a non-wheel-pressing area, which is butted with the prefabricated cement pavement blocks in the wheel-pressing areas; wet joints (7) formed by ultrahigh-performance concrete are respectively arranged between the wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement blocks A, between the wheel-pressing area prefabricated cement pavement blocks and the non-wheel-pressing area prefabricated cement pavement blocks B, between the front wheel-pressing area prefabricated cement pavement blocks and the rear wheel-pressing area prefabricated cement pavement blocks, between the front non-wheel-pressing area prefabricated cement pavement blocks A and between the front non-wheel-pressing area prefabricated cement pavement blocks and the rear non-wheel-pressing area prefabricated cement pavement blocks B.
2. The fabricated cement pavement structure according to claim 1, characterized in that: the two wheel-pressing area prefabricated cement pavement blocks (5) and the non-wheel-pressing area prefabricated cement pavement block A (6a) are mutually butted through a platform (8) arranged on the upper part of the inner side surface of the wheel-pressing area prefabricated cement pavement block and right-angle protrusions (9) arranged on the upper parts of the two side surfaces of the non-wheel-pressing area prefabricated cement pavement block A; the wheel-pressing area precast cement pavement block and the non-wheel-pressing area precast cement pavement block B are mutually butted through a convex block (10) arranged on the upper part of the outer side of the wheel-pressing area precast cement pavement block and a groove (11) arranged on the upper part of the inner side surface of the non-wheel-pressing area precast cement pavement block B.
3. The fabricated cement pavement structure according to claim 1, characterized in that: the lengths of the wheel-pressing area prefabricated cement pavement block (5), the non-wheel-pressing area prefabricated cement pavement block A (6a) and the non-wheel-pressing area prefabricated cement pavement block B (6B) in the advancing direction of the road are 400-600 cm respectively; the thickness of the prefabricated cement pavement block in the wheel pressing area is 30-40 cm, and the width of the bottom of the prefabricated cement pavement block is 100 cm; the thickness of the non-wheel-pressure-area prefabricated cement pavement block A and the thickness of the non-wheel-pressure-area prefabricated cement pavement block B are respectively 20-25 cm, the width of the bottom of the non-wheel-pressure-area prefabricated cement pavement block A is 75cm, and the width of the bottom of the non-wheel-pressure-area prefabricated cement pavement block B is 70 cm.
4. The fabricated cement pavement structure according to claim 1, characterized in that: the width of the wet joint (7) is 2-3 cm.
5. The fabricated cement pavement structure according to claim 1, characterized in that: the bending-resistant longitudinal bars (3) and the transverse bars (4) are HRB 400-grade hot-rolled ribbed bars with the diameter of 12mm respectively and are arranged at intervals of 10-15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022690249.3U CN213772775U (en) | 2020-11-19 | 2020-11-19 | Assembled cement road surface structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022690249.3U CN213772775U (en) | 2020-11-19 | 2020-11-19 | Assembled cement road surface structure |
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| CN213772775U true CN213772775U (en) | 2021-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434205A (en) * | 2022-09-06 | 2022-12-06 | 武汉大学 | Ultrahigh-performance fiber concrete assembled road plate and manufacturing method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434205A (en) * | 2022-09-06 | 2022-12-06 | 武汉大学 | Ultrahigh-performance fiber concrete assembled road plate and manufacturing method thereof |
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