CN212052152U - Cast-in-place concrete pavement structure of high strength - Google Patents
Cast-in-place concrete pavement structure of high strength Download PDFInfo
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- CN212052152U CN212052152U CN202020486202.2U CN202020486202U CN212052152U CN 212052152 U CN212052152 U CN 212052152U CN 202020486202 U CN202020486202 U CN 202020486202U CN 212052152 U CN212052152 U CN 212052152U
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Abstract
The utility model relates to a high-strength cast-in-situ concrete pavement structure, which comprises a plurality of hexagonal blocks arranged above a pavement to be repaired, wherein the hexagonal blocks are mutually embedded and extruded to form a honeycomb structure; a reinforcing mesh is arranged inside the hexagonal block, and the reinforcing mesh is integrally poured in concrete for forming the hexagonal block; the side surfaces of the adjacent hexagonal blocks are mutually attached but are not integrally formed. The utility model discloses a set up a plurality of mutual crowded six arriss pieces that inlay on treating prosthetic road surface, set up the reinforcing bar net in six arriss pieces to make the road surface form by a plurality of unit concrete slab combinations, reduced the probability that the broken plate takes place on the road surface.
Description
Technical Field
The utility model belongs to the technical field of the technique of road surface structure and specifically relates to a cast-in-place concrete road surface structure of high strength is related to.
Background
The common cement concrete pavement is easy to be damaged by different degrees of breakage, displacement and the like when a vehicle with larger tonnage is frequently driven. In order to enhance the load-bearing capacity of ordinary pavements, reduce the cracking and damage of pavements and prolong the service life of pavements, ordinary cement concrete pavements must be reinforced.
At present, patent document with the publication number of CN205313943U discloses a reinforced structure of a damaged concrete pavement panel, which includes a concrete pavement panel with a roughened surface, a reinforcing groove is provided at a fracture of the concrete pavement panel, a plurality of pairs of horizontal bar-planting holes are provided on two groove walls of the reinforcing groove, a plurality of pairs of vertical bar-planting holes are provided on the concrete pavement panel at two sides of the reinforcing groove, the pairs of horizontal bar-planting holes and the pairs of vertical bar-planting holes are staggered in the extending direction of the reinforcing groove, horizontal bars are fixed in the horizontal bar-planting holes and are lapped and fixed to the outer end portions of the horizontal bars, vertical bars are fixed in the vertical bar-planting holes, a steel fiber concrete cover is poured and fixed on the concrete pavement panel, the reinforcing groove is filled at the bottom of the steel fiber concrete cover, and the top of the vertical bars is higher than the upper surface of the concrete pavement panel and lower than the upper surface of the steel fiber concrete cover.
The reinforced structure of the damaged concrete pavement panel has the following defects: because the concrete pavement panel is generally large in pouring area and is easy to break after being rolled by a vehicle with large axle load for a long time, although reinforcement measures are taken at the broken part, new fractures can be generated at other parts of the large panel, and the problem cannot be fundamentally solved by using the large panel for a long time.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the above-mentioned prior art, the utility model aims at providing a cast-in-place concrete pavement structure of high strength, it is through setting up a plurality of mutual crowded six arriss pieces that inlay on treating prosthetic road surface, sets up the reinforcing bar net in six arriss pieces to make the road surface form by a plurality of unit concrete slab combinations, reduced the road surface and taken place the probability of disconnected board.
The above object of the present invention is achieved by the following technical solutions:
a high-strength cast-in-place concrete pavement structure comprises a plurality of hexagonal blocks arranged above a pavement to be repaired, wherein the hexagonal blocks are mutually embedded and extruded to form a honeycomb structure; a reinforcing mesh is arranged inside the hexagonal block, and the reinforcing mesh is integrally poured in concrete for forming the hexagonal block; the side surfaces of the adjacent hexagonal blocks are mutually attached but are not integrally formed.
Through adopting above-mentioned technical scheme, set the whole back that a plurality of hexagonal piece units are constituteed to the road surface, because single hexagonal piece is less than the cement slab area that large tracts of land was pour, the external force that receives when bearing heavy-duty vehicle is comparatively dispersed, consequently difficult disconnected board, when the breakage takes place for individual hexagonal piece, can chiseling out the rapid repair with single, it is very convenient to maintain, has both solved ordinary concrete road surface panel easy-to-break board problem, has solved the difficult technological problem of repairing of concrete road surface again.
The utility model discloses a further set up to: the reinforcing bar net includes welding stand and a plurality of landing leg, and the welding stand is the hexagon structure that forms by many reinforcing bars mutual fixed welding, and the landing leg fixed welding is in the below of welding stand.
By adopting the technical scheme, the welding frame enables the reinforcing steel bars to be uniformly arranged in the hexagonal blocks, so that the strength of the hexagonal blocks is improved, and the load bearing capacity of the hexagonal blocks is improved; the landing leg makes the stable support of weld holder in the mould when pouring to make the weld holder keep in the intermediate position of mould, be favorable to making things convenient for pouring of hexagonal piece, guarantee the intensity of hexagonal piece.
The utility model discloses a further set up to: the lower end of the supporting leg is fixedly provided with a plurality of tips, claw-shaped structures are formed among the tips, and the heads of the tips are abutted to the ground.
Through adopting above-mentioned technical scheme, the tip can improve the resistance when relative motion between reinforcing bar net and the ground, when pouring the concrete, the tip makes the position of reinforcing bar net more firm to be favorable to improving the stability of hexagonal prism block structure.
The utility model discloses a further set up to: and each steel bar at the edge of the welding frame is fixedly provided with a positioning ring, and a prestressed tendon penetrates through the positioning ring.
Through adopting above-mentioned technical scheme, pouring the back to six arriss pieces, drawing the both ends of wearing the prestressing tendons of establishing in the position ring, make prestressing tendons produce the prestressing force through the post-tensioning method, be favorable to improving six arris pieces bearing load's ability.
The utility model discloses a further set up to: and a plurality of springs are connected between the steel bars of the welding frame and apply tension to the steel bars.
Through adopting above-mentioned technical scheme, the spring has the pulling reinforcing bar to the trend that the centre of weld holder is close to each other, and when concrete placement, the concrete can form certain impact to the weld holder, and the spring is favorable to guaranteeing weld holder overall structure's stability, avoids the weld holder to open to weld.
The utility model discloses a further set up to: and a retaining ring is arranged at the welding point of the steel bar on the welding frame and clamps the welded steel bar tightly.
Through adopting above-mentioned technical scheme, when hexagonal piece takes place the reinforcing bar in the use and opens the condition of welding, the reinforcing bar buckle can make the reinforcing bar keep in close contact with, is favorable to avoiding welding residual stress to cause inside destruction to the concrete of hexagonal piece.
The utility model discloses a further set up to: the side length of the hexagonal block is 1.155 meters, the distance between opposite sides is 2.0 meters, the length of a diagonal is 2.309 meters, and the thickness is 0.28 meters.
Through adopting above-mentioned technical scheme, the size of hexagonal piece is unlikely to too big so as to lead to intensity to hang off easily too low, and also be unlikely to the undersize and lead to the work progress too complicated.
The utility model discloses a further set up to: the welding frame is located 0.15 meter above the bottom of the hexagonal block and 0.13 meter away from the top of the hexagonal block.
Through adopting above-mentioned technical scheme, the position setting of reinforcing bar net leans on last position at hexagonal piece middle part, improves the bearing capacity on hexagonal piece upper portion, has guaranteed hexagonal piece overall structure's stability.
To sum up, the utility model discloses a beneficial technological effect does:
1. after the pavement is arranged into a whole consisting of a plurality of hexagonal block units, because the area of a single hexagonal block is smaller than that of a cement plate poured in a large area, and the external force applied when the single hexagonal block bears a heavy-load vehicle is dispersed, the plate is not easy to break;
2. the welding frame can improve the load bearing capacity of the hexagonal block, and the supporting legs support the welding frame; the tip makes the position of the reinforcing mesh more stable, thereby being beneficial to improving the stability of the hexagonal block structure; the prestressed tendons penetrating into the positioning ring generate prestress through a post-tensioning method, so that the load bearing capacity of the hexagonal block is improved;
3. the spring is beneficial to ensuring the stability of the whole structure of the welding frame and avoiding the welding frame from being opened; the retaining ring is beneficial to avoiding internal damage of welding residual stress to the concrete of the hexagonal block; the size of hexagonal piece is unlikely to too big so that the intensity is crossed low and is broken easily, and also be unlikely to the undersize and lead to the work progress too complicated, and the stability of hexagonal piece overall structure has been guaranteed to the position of reinforcing bar net.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the construction of a mesh reinforcement;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a hexagonal prism block; 2. a reinforcing mesh; 21. welding a frame; 211. a positioning ring; 212. prestressed tendons; 213. a spring; 214. a retaining ring; 22. a support leg; 221. a tip; 3. and (5) molding.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, in order to disclose the present invention, a high strength cast-in-place concrete pavement structure includes a plurality of hexagonal blocks 1 disposed above a pavement to be repaired, the hexagonal blocks 1 are mutually embedded and extruded to form a honeycomb structure, a reinforcing mesh 2 is disposed inside the hexagonal blocks 1, and the reinforcing mesh 2 is integrally cast in concrete for forming the hexagonal blocks 1; the side surfaces of the adjacent hexagonal blocks 1 are mutually attached, and the adjacent hexagonal blocks 1 are poured at intervals in different periods; when paving a pavement, placing the reinforcing mesh 2 in a hexagonal mold 3, and pouring cement in the mold 3 to integrally form the reinforcing mesh 2 and the cement; after setting the road surface into the whole that a plurality of hexagonal piece 1 units are constituteed, because single hexagonal piece 1 is less than the cement slab area of pouring by a large scale, the external force that receives when bearing heavy-duty vehicle is comparatively dispersed, therefore difficult disconnected board, when individual hexagonal piece 1 takes place the damage, can chiseling out the rapid repair of single, the maintenance is very convenient, has both solved the easy disconnected board problem of ordinary concrete road surface panel, has solved the difficult technical problem who repairs of concrete road surface again.
Referring to fig. 2, the mesh reinforcement 2 includes a welding frame 21 and a plurality of legs 22, the welding frame 21 is a hexagonal structure formed by fixedly welding a plurality of reinforcing bars to each other, and the legs 22 are fixedly welded below the welding frame 21; the welding frame 21 enables the steel bars to be uniformly arranged in the hexagonal block 1, so that the strength of the hexagonal block 1 is improved, and the load bearing capacity of the hexagonal block 1 is improved; landing leg 22 makes the stable support of welding jig 21 in mould 3 when pouring to make welding jig 21 keep in the intermediate position of mould 3, be favorable to making things convenient for pouring of hexagonal piece 1, guarantee the intensity of hexagonal piece 1.
Referring to fig. 2, each reinforcing steel bar at the edge of the welding frame 21 is fixedly provided with a positioning ring 211, a prestressed tendon 212 penetrates through the positioning ring 211, after the hexagonal block 1 is poured, two ends of the prestressed tendon 212 penetrating through the positioning ring 211 are drawn, and the prestressed tendon 212 generates prestress by a post-tensioning method, so that the improvement of the load bearing capacity of the hexagonal block 1 is facilitated.
Referring to fig. 2 and 3, a plurality of pointed ends 221 are fixedly arranged at the lower end of the supporting leg 22, claw-shaped structures are formed among the pointed ends 221, the heads of the pointed ends 221 abut against the ground, so that resistance in relative movement between the reinforcing mesh 2 and the ground is improved, and when concrete is poured, the pointed ends 221 enable the position of the reinforcing mesh 2 to be more stable, so that the stability of the structure of the hexagonal block 1 is improved; a plurality of springs 213 are connected between the steel bars of the welding frame 21, the springs 213 apply tension to the steel bars, and the springs 213 tend to pull the steel bars to approach each other toward the middle of the welding frame 21; when the concrete is poured, the concrete can impact the welding frame 21 to a certain extent, and the spring 213 is favorable for ensuring the stability of the whole structure of the welding frame 21 and avoiding the welding frame 21 from being welded; the welding point department of the reinforcing bar on the weld holder 21 is provided with buckle 214, and buckle 214 is with the mutual cramp of welded reinforcing bar, and when hexagonal piece 1 took place the reinforcing bar condition of opening the weld in the use, reinforcing bar buckle 214 can make the reinforcing bar keep in close contact with, is favorable to avoiding welding residual stress to cause inside destruction to the concrete of hexagonal piece 1.
Referring to fig. 1, the geometry of the hexagonal block 1 was set by finite element analysis to: the side length is 1.155 meters, the distance between opposite sides is 2.0 meters, the length of a diagonal is 2.309 meters, and the thickness is 0.28 meters; the setting positions of the reinforcing mesh 2 are as follows: the welding frame 21 is positioned above the bottom of the hexagonal block 1 by 0.15 m and is 0.13 m away from the top of the hexagonal block 1; the size of the hexagonal block 1 is not too large, so that the hexagonal block is too low in strength and easy to break, and the construction process is not too complicated due to too small size; the position of the reinforcing mesh 2 ensures the stability of the whole structure of the hexagonal block 1.
The utility model discloses an operating principle is, set the whole back that a plurality of six arriss piece 1 units are constituteed to the road surface, because single six arriss piece 1 is little than the cement board area of pouring by a large scale, the external force that receives when bearing heavy-duty vehicle is comparatively dispersed, consequently difficult disconnected board, when individual six arriss piece 1 takes place the damage, can chiseled the rapid repair with the single piece, the maintenance is very convenient, both solved ordinary concrete road surface panel easy-to-break board problem, the difficult technological problem of repairing of concrete road surface has been solved again.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a cast-in-place concrete pavement structure of high strength which characterized in that: the repairing device comprises a plurality of hexagonal blocks (1) arranged above a road surface to be repaired, wherein the hexagonal blocks (1) are mutually embedded and extruded to form a honeycomb structure; the steel bar net (2) is arranged inside the hexagonal block (1), and the steel bar net (2) is integrally poured in concrete for forming the hexagonal block (1); the side surfaces of the adjacent hexagonal blocks (1) are mutually attached but are not integrally formed.
2. A high strength cast-in-place concrete pavement structure as claimed in claim 1, wherein: the reinforcing mesh (2) comprises a welding frame (21) and a plurality of supporting legs (22), the welding frame (21) is of a hexagonal structure formed by mutually fixing and welding a plurality of reinforcing steel bars, and the supporting legs (22) are fixedly welded below the welding frame (21).
3. A high strength cast-in-place concrete pavement structure as claimed in claim 2, wherein: the lower end of the supporting leg (22) is fixedly provided with a plurality of tips (221), claw-shaped structures are formed among the tips (221), and the heads of the tips (221) are abutted to the ground.
4. A high strength cast-in-place concrete pavement structure as claimed in claim 2, wherein: every reinforcing bar at welding frame (21) edge all is fixed and is provided with holding ring (211), wears to be equipped with prestressing tendons (212) in holding ring (211).
5. A high strength cast in situ concrete pavement structure as claimed in any one of claims 2 to 4, wherein: a plurality of springs (213) are connected between the steel bars of the welding frame (21), and the springs (213) apply tension to the steel bars.
6. A high strength cast in situ concrete pavement structure as claimed in any one of claims 2 to 4, wherein: and a retaining ring (214) is arranged at the welding point of the steel bar on the welding frame (21), and the welded steel bar is mutually tightly hooped by the retaining ring (214).
7. A high strength cast in situ concrete pavement structure as claimed in any one of claims 2 to 4, wherein: the side length of the hexagonal block (1) is 1.155 meters, the distance between opposite sides is 2.0 meters, the length of a diagonal is 2.309 meters, and the thickness is 0.28 meter.
8. A high strength cast-in-place concrete pavement structure as claimed in claim 7, wherein: the welding frame (21) is located 0.15 meter above the bottom of the hexagonal block (1) and 0.13 meter away from the top of the hexagonal block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486202.2U CN212052152U (en) | 2020-04-03 | 2020-04-03 | Cast-in-place concrete pavement structure of high strength |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020486202.2U CN212052152U (en) | 2020-04-03 | 2020-04-03 | Cast-in-place concrete pavement structure of high strength |
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| CN212052152U true CN212052152U (en) | 2020-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962377A (en) * | 2021-02-03 | 2021-06-15 | 四川吉凯瑞建设工程有限公司 | Detachable cast-in-place concrete pavement and pouring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962377A (en) * | 2021-02-03 | 2021-06-15 | 四川吉凯瑞建设工程有限公司 | Detachable cast-in-place concrete pavement and pouring method |
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