CN117026717A - Flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly - Google Patents
Flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly Download PDFInfo
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- CN117026717A CN117026717A CN202311263095.1A CN202311263095A CN117026717A CN 117026717 A CN117026717 A CN 117026717A CN 202311263095 A CN202311263095 A CN 202311263095A CN 117026717 A CN117026717 A CN 117026717A
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- Prior art keywords
- high performance
- slab module
- performance concrete
- flexible reinforced
- connecting piece
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 24
- 230000008901 benefit Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000005442 atmospheric precipitation Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/08—Reinforced units with steel frames
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/06—Methods of making joints
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly, which comprises unit slabs and connecting pieces, wherein the upper surfaces of a plurality of unit slabs are coplanar, gaps are formed between adjacent unit slabs, first sealing heat-insulating fillers are filled in the gaps, and the adjacent unit slabs are connected through at least one connecting piece; the unit plate consists of a concrete base plate and a fixed shaft, wherein the four sides of the upper surface of the concrete base plate are respectively coated with a metal wrapping edge, the edge of the metal wrapping edge is provided with a first step groove, and the step groove is filled with a second sealing heat-insulating filler. The invention has the advantages of simple structure, clear function, clear force transmission and reliable stress, can be used as temporary pavement for quick construction and deployment, solves the engineering requirements under specific conditions, can be repeatedly disassembled and assembled for turnover use, and has good application prospect.
Description
Technical Field
The invention relates to a prefabricated concrete pavement, in particular to a flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly.
Background
In general, a concrete pavement slab for permanent or temporary traffic is directly subjected to the action of vertical force, horizontal force and vibration impact force of airplane and vehicle running loads, and is directly influenced by natural factors such as atmospheric precipitation, temperature and humidity changes, and the construction is generally completed by adopting a formwork on-site pouring method. The pavement structure generally comprises a pavement layer, a base layer, a cushion layer and a foundation from top to bottom, and has the advantages of multiple structural layers, complex structure and long construction period.
In the prior art, patent CN114960326a discloses an assembled ultra-high performance concrete pavement slab and a construction method thereof, the slab body is thicker in structure and higher in rigidity, and can not be deformed by bending along with the surface of a foundation so as to adapt to the change of flatness, so that the accurate and flexible leveling of the pavement slab is realized by presetting leveling screw holes and rear leveling screws, and the rear grouting of the slab bottom is realized by pre-burying grouting holes, so that the tight fitting of the pavement slab and the foundation is realized. The plate units are connected with post-cast high-strength tenons through dowel bars, and the wet construction is involved. The invention has complex structure and construction process, lower installation efficiency and higher manufacturing cost.
Patent CN111041923a discloses a fabricated steel fiber concrete road connection structure and a road thereof, which consists of a connection structure and a road, wherein the connection structure comprises a pre-clamping rod, a clamping sleeve and a locking component, the cross section of the inner cavity of the clamping sleeve is of an L-shaped structure with an open top, the inner cavity of the L-shaped clamping sleeve comprises a vertically arranged guide-in channel and a clamping groove positioned at the end part of the bottom side, the clamping rod is provided with a conformal inner sleeve and a clamping groove, the lateral outer side surface of the clamping rod is a third pressing inclined surface, the third pressing inclined surface is inclined outwards from top to bottom and extends into the guide-in channel, the locking component comprises a locking pressing block and a locking piece, and the bottom lateral side surface of the locking pressing block is provided with a fourth pressing inclined surface matched with the third pressing inclined surface; can effectively improve the joint strength between the assembled steel fiber concrete road plate body, guarantee that the wholeness of road is good, and install and remove conveniently, do benefit to the change, improve the efficiency of construction.
Patent CN219010845U discloses an assembled steel fiber panel, including the panel body, this internal skeleton reinforcing bar net that is equipped with of panel, fixed connection is provided with public joint and female joint on the panel body, public joint and female joint set up in the opposite side of panel body, be formed with expansion joint structure when public joint and female joint are assembled, the assembled steel fiber pavement slab of this technical scheme can effectually improve the mechanical properties of pavement slab, through the joint setting of panel body tip, can effectually prevent the damage that assembled seam is in stress concentration production, joint structure's setting can fully guarantee the steadiness of expansion joint, can not produce and drop, be difficult for producing the damage when dismantling in the later stage, do benefit to repeatedly used, site operation is fast, alright open traffic after the construction finishes, the time limit for a project is shortened greatly.
The assembled concrete pavement slab provided in the prior art has the advantages that the connection mode between the first two slabs and the connection between the slab and the foundation are both fixed connection, the construction period is long, and in areas with larger day-night temperature difference, the expansion with heat and the contraction with cold are easy to cause extrusion cracking between the slabs; the movable expansion joint structure is arranged between the panels, when a vehicle passes through, the adjacent panels are easy to loose due to uneven height caused by rolling, a large gap is formed between the panels, the pavement and the foundation are damaged, and the durability of the product is poor. Under the mechanism requirement that the temporary pavement of airports and highways should be rapidly repaired and deployed, the prior art has great defects.
Disclosure of Invention
Aiming at the problems of the background technology, the invention aims to provide a flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly, wherein a certain flexible connection mode is adopted between the slabs, structural sealing is carried out, roadbeds do not need to be additionally treated during pavement, prefabricated slab monomers are reinforced by ultra-high performance concrete and edge covering treatment is carried out, the structural strength is good, the edges are not easy to damage when bearing loads, and the flexible reinforced ultra-high performance concrete pavement slab module is suitable for temporary pavement engineering of airports and highways in quick rush repair and quick deployment.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly comprises unit slabs and connecting pieces, wherein the upper surfaces of the unit slabs are coplanar, gaps are formed between adjacent unit slabs, first sealing heat-insulating fillers are filled in the gaps, and the adjacent unit slabs are connected through at least one connecting piece; the unit board consists of a concrete base board and fixed shafts, the concrete base board is of a quadrilateral structure, the four sides of the concrete base board are respectively provided with uniformly distributed open slots, and each open slot is internally provided with a fixed shaft; the two ends of the connecting piece are respectively connected with corresponding fixed shafts between the adjacent unit plates in a telescopic way; the four edges of the upper surface of the concrete substrate are all coated with metal wrapping edges, the edges of the metal wrapping edges are provided with first step grooves, and second sealing heat-insulating fillers are filled in the step grooves.
The fixed axle level fix the lateral wall at the open slot, the connecting piece wholly be rectangular plate structure, the both ends of connecting piece are equipped with waist type through-hole respectively, the fixed axle wears to establish at the waist type through-hole middle part that corresponds, is equipped with fastening nut on the fixed axle for compress tightly the connecting piece and fix on the lateral wall of open slot.
The fixed shaft is also sleeved with a flat washer and a spring pad, the flat washers are respectively positioned at two sides of the connecting piece, the connecting piece is convenient to slide, and the spring pad is used for keeping the pressing force of the fastening nut.
The fixing shaft is also provided with a pin hole, and a locking pin is arranged in the pin hole and used for preventing the fastening nut from falling off.
The open slot runs through the upper and lower surfaces of concrete substrate, and the upper portion opening of open slot is equipped with the second step groove, fixed mounting has the shrouding on the second step groove, the shrouding covers the upper portion opening of open slot.
The step bottom surface of second step groove be equipped with the mounting, be equipped with the internal thread in the mounting, the shrouding passes through countersunk head bolt and the internal thread connection of mounting.
The concrete base plate is formed by casting ultra-high performance concrete, a reinforcing mesh is arranged below the inner part of the concrete base plate, and hoisting members are arranged in four corners of the upper surface of the concrete base plate.
The invention has the beneficial effects that: the unit board is made of ultra-high performance concrete materials and is provided with the reinforcing mesh, the thickness is small, and the unit board has certain bending deformation capacity on the basis of meeting the traffic bearing capacity so as to adapt to a foundation or a cushion layer with poor flatness; the structural thickness and the weight of the unit plates are lighter, and the unit plates are suitable for industrial centralized manufacturing, conventional automobile/train/ship transportation and on-site mechanical hoisting installation; the unit plates can be directly paved on the foundation or the cushion layer without constructing a base layer on the foundation. The connection mode realizes the reliable connection between adjacent unit plates and can allow two-dimensional bidirectional expansion and contraction with a certain amplitude; the unit plates are filled with flexible sealing heat-insulating filler, so that the integral integrity of the pavement is improved, and the foundation or the base layer can be prevented from being damaged due to water soaking; the invention has the advantages of simple structure, clear function, clear force transmission and reliable stress, can be used as temporary pavement for quick construction and deployment, solves the engineering requirements under specific conditions, can be repeatedly disassembled and assembled for turnover use, and has good application prospect.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is an overall top view of the cell plate;
FIG. 3 is a top view of the connection between cell plates;
FIG. 4 is a side view of the connection between cell plates;
fig. 5 is a schematic diagram of the filling position of the second sealing insulation filler.
FIG. 6 is a partial perspective view of a corner portion of a unit panel;
FIG. 7 is a partial perspective view of a corner portion of a cell plate from another perspective;
fig. 8 is a schematic view of the locking pin.
In the figure, 1, a unit plate, 2, a connecting piece, 11, a concrete base plate, 12, a fixed shaft, 13, an open slot, 14, a waist-shaped through hole, 15, a fastening nut, 16, a flat washer, 17, a spring pad, 18, a pin hole, 19, a metal wrapping edge, 20, a first step groove, 21, a second step groove, 22, a sealing plate, 23, a fixing piece, 24, a second sealing heat-insulating filler and 25, a first sealing heat-insulating filler.
Detailed Description
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
As shown in fig. 1-8, the invention provides a flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly, which comprises unit slabs 1 and connecting pieces 2, wherein the upper surfaces of a plurality of unit slabs 1 are coplanar, gaps are formed between adjacent unit slabs 1, in one embodiment of the invention, the gaps are 5-30 mm, first sealing heat-insulating fillers 25 are filled in the gaps, and the adjacent unit slabs 1 are connected through at least one connecting piece 2; the unit board 1 consists of a concrete base board 11 and a fixed shaft 12, wherein the concrete base board 11 is of a quadrilateral structure as a whole, open slots 13 are uniformly distributed on four sides of the concrete base board, and each open slot 13 is internally provided with the fixed shaft 12; the two ends of the connecting piece 2 are respectively connected with the corresponding fixed shafts 12 between the adjacent unit plates 1 in a telescopic way; the four edges of the upper surface of the concrete substrate 11 are respectively coated with a metal wrapping edge 19, the edges of the metal wrapping edges 19 are provided with a first step groove 20, and the step groove 20 is filled with a second sealing heat-insulating filler 24.
The fixing shaft 12 is horizontally fixed on one side wall of the open slot 13, the whole connecting piece 2 is of a rectangular plate-shaped structure, the two ends of the connecting piece 2 are respectively provided with a waist-shaped through hole 14, the fixing shaft 12 is arranged in the middle of the corresponding waist-shaped through hole 14 in a penetrating mode, and the fixing shaft 12 is provided with a fastening nut 15 used for pressing and fixing the connecting piece 2 on the side wall of the open slot 13. In one embodiment of the invention, the connecting piece 2 adopts a Q235 or Q345 steel plate, and the steel plate is a rectangular steel plate; the thickness of the device is 15mm-20mm, the length of the device is 10-20cm smaller than the splicing length of the two open grooves 13, the device is convenient to install, and the device has a certain telescopic space; two waist-shaped through holes 14 are symmetrically formed at two ends of the length direction, the hole width of the waist-shaped through holes 14 is 2-3mm larger than the diameter of the fixed shaft 12, the hole length is 5-10mm larger than the diameter of the fixed shaft 12, and the geometric parameters of the waist-shaped through holes 14 can be adjusted according to the stress requirements at the joint positions; the connecting piece 2 limits the vertical and horizontal displacement of the adjacent unit plates 1, when the unit plates 1 expand with heat and contract with cold, the unit plates have certain sliding buffering with the fixed shaft 12, so that firm connection between the adjacent unit plates 1 can be effectively maintained, and if the sealing structure between gaps is damaged, the unit plates can be timely found and repaired on site due to the existence of the connecting piece 2.
The fixed shaft 12 is also sleeved with a flat washer 16 and a spring pad 17, the flat washers 16 are respectively positioned on two sides of the connecting piece 2, so that the connecting piece 2 can slide conveniently, and the spring pad 17 is used for keeping the pressing force of the fastening nut 15.
The fixed shaft 12 is also provided with a pin hole 18, and a locking pin is arranged in the pin hole 18 and used for preventing the fastening nut from falling off.
The open slot 13 penetrates through the upper surface and the lower surface of the concrete substrate 11, a second step slot 21 is arranged at the upper opening of the open slot 13, a sealing plate 22 is fixedly arranged on the second step slot 21, and the sealing plate 22 covers the upper opening of the open slot 13; the step bottom surface of the second step groove 21 is provided with a fixing piece 23, an internal thread is arranged in the fixing piece, and the sealing plate 22 is connected with the internal thread of the fixing piece 23 through a countersunk bolt. The mounting of the closure plate 22 also maintains a seal from where rain water may enter below the road deck.
The concrete base plate 11 is formed by casting ultra-high performance concrete, a reinforcing mesh is arranged below the inner part of the concrete base plate, and hoisting members are arranged in four corners of the upper surface of the concrete base plate.
In one embodiment of the present invention, the cell board 1 is a main functional structure that directly receives a use load, and has a rectangular plate-like structure in appearance. The length of the unit plate 1 is between 3000mm and 7000mm, the width is between 2000mm and 3500mm, and the length-width ratio is between 1:1 and 2:1; the unit plate 1 is formed by casting an ultra-high performance concrete material with compressive strength not less than 120MPa, and the plate thickness is between 50mm and 80 mm; the unit board 1 is internally provided with a bidirectional reinforcing mesh in the direction close to the bottom of the board so as to improve the bending strength and the deformation resistance of the board, wherein the reinforcing mesh adopts common ribbed reinforcing steel bars with diameters of 6mm-8mm, and the reinforcing steel bars are arranged in a bidirectional manner at intervals of 50mm-100mm; the upper surface of the unit board 1 is provided with anti-skid embossments so as to improve the friction force of the tire, and the embossing depth and density are implemented according to the engineering standard of corresponding pavement engineering;
in one embodiment of the invention, the unit board 1 is provided with the open slot 13 at the edge to be spliced, the open slot 13 penetrates through the board structure, the open slot is 80mm-120mm long, 40mm-60mm wide and the interval is 1500mm-3000mm; the unit board 1 adopts the ladle edge of thickness 1 millimeter, ladle edge top surface has set up second step groove 21, its width 5-10mm, high 5-10mm, when splice with adjacent unit board 1, can form the combination recess on the piece, the combination recess upper shed is little, the end mouth is big, prevent that second sealed heat preservation filler 24 from coming off, the second sealed heat preservation filler 24 of packing in the combination recess is polyurethane rubber, it can realize road surface overall seal, make the road surface waterproof, the stagnant water function, prevent that the rainwater from penetrating unit board 1 bottom and then corroding the basis through the piece in the use. The ladle edge can lead the unit board 1 to be difficult to damage under a larger load, keep the integrity and be beneficial to preventing the second sealing heat-insulating filler 24 from falling off.
In one embodiment of the invention, the hoisting member is a single-sided closed metal screw cap which is arranged in hoisting holes reserved at four corners of the upper surface of the unit plate 1, the inner diameter of the screw cap is between 16mm and 26mm, and the bottom of the hoisting hole is closed.
In one embodiment of the present invention, the stationary shaft 12 is cylindrical in shape using Q235 or Q345 steel material. The concrete slab is buried in an open slot 13 of the unit slab 1 when the unit slab 1 is prefabricated, the diameter is specifically selected according to structural stress of road surface engineering, the diameter is generally selected to be 20mm-30mm, the length meets the concrete drawing requirement, and the length is generally 10 times the diameter; one end of the unit board 1 is embedded into concrete when being manufactured, and the other end of the unit board is exposed from one side wall of the open slot 13, wherein the exposed length is 25-40mm; the outer side of the exposed end is provided with a pin hole 18; the fixed shaft 12 is arranged in each open slot 13, the relative positions are fixed, the vertical direction is positioned at the center position of the plate thickness, and the horizontal direction is positioned at the center position of the side wall of the open slot 13; the pin bore 18 of the stationary shaft 12 opens upwardly for cotter pin insertion.
In one embodiment of the present invention, the locking pin is shown in fig. 7, which is made of high-quality steel with good elasticity, and standard products can be ordered from the market, and the specification and model of the locking pin are matched with those of the pin hole 18; it is inserted into the pin hole 18 and the locking pin is broken to prevent the cotter pin from falling loose.
In one embodiment of the present invention, the first sealing and heat-insulating filler 25 between the gaps of the unit plates 1 is a flexible waterproof material such as asphalt sealant or butyl sealant; after the unit plates 1 are connected and fixed, the first sealing heat-insulating filler 25 fills gaps between adjacent unit plates 1 to form a seal, so that the unit plates can be waterproof and heat-insulating.
The flexible reinforced ultra-high performance concrete pavement slab module provided by the invention has the advantages that the unit slab manufacturing can be performed in parallel and synchronously with the foundation construction, so that the foundation can meet the technical quality requirements of installation before the pavement slab is installed, and the construction period is saved; the prefabrication of the unit plates is carried out in factories or centralized production areas, the matching of production resources is perfect, and the degree of specialization and industrialization is high so as to ensure the production efficiency and quality; when the unit plates are manufactured, the pre-embedding preset work of the fixing shaft, the metal edge, the fixing piece and the hoisting member is synchronously completed; the assembly of the panel module is completed at the construction site.
The beneficial effects of the invention are as follows:
1. the invention has the advantages of simple structure, clear function, clear force transmission, reliable stress, low requirement on the flatness of the foundation and direct laying.
2. The invention adopts the ultra-high performance concrete material, has small thickness of the stressed structure, can adopt the assembly type construction method to construct rapidly, and greatly reduces the construction period.
3. The invention can be used for industrial prefabrication production, has high manufacturing precision and high mechanization degree of on-site assembly construction, and is safe and reliable.
4. The invention has simple technique of site assembly construction, strong operability, high installation precision and low labor intensity.
5. The construction of the invention is quick, the prefabrication production can be synchronously carried out with the foundation construction, the installation stage can be operated in parallel at multiple points, the on-site assembly construction period is short, and the invention has outstanding construction period advantages for the construction of temporary traffic pavement facilities needing quick deployment and construction.
6. The invention adopts advanced ultra-high performance concrete materials, greatly prolongs the service life of the building, can be expected to reach more than 100 years, and can be repeatedly disassembled, assembled and recycled.
7. The invention has the advantages of low material consumption and waste, and accords with the low-carbon environment-friendly development concept.
8. The invention has the advantages of simple matched parts and installation tools, and convenient purchase and operation.
9. The device can be applied to the field of relevant engineering construction of airport engineering, pavement engineering, square engineering, temporary pavement engineering and the like of temporary engineering, and has good application prospect.
The invention is not described in detail in the prior art.
Claims (8)
1. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly comprises unit slabs (1) and connecting pieces (2), wherein the upper surfaces of the unit slabs (1) are coplanar, gaps are formed between adjacent unit slabs (1), first sealing heat-insulating fillers (25) are filled in the gaps, and the adjacent unit slabs (1) are connected through at least one connecting piece (2); the method is characterized in that: the unit plate (1) consists of a concrete base plate (11) and a fixed shaft (12), wherein the concrete base plate (11) is of a quadrilateral structure as a whole, open slots (13) which are uniformly distributed are respectively arranged on four sides of the concrete base plate, and each open slot (13) is internally provided with the fixed shaft (12); the two ends of the connecting piece (2) are respectively connected with corresponding fixed shafts (12) between the adjacent unit plates (1) in a telescopic way; the concrete base plate (11) its upper surface four sides all cladding have metal bordure (19), the edge of metal bordure (19) is equipped with first step groove (20), first step groove (20) intussuseption is filled with second sealed heat preservation filler (24).
2. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 1, wherein the slab module is characterized in that: the fixing shaft (12) is horizontally fixed on one side wall of the open slot (13), the whole connecting piece (2) is of a rectangular plate-shaped structure, waist-shaped through holes (14) are respectively formed in two ends of the connecting piece (2), the fixing shaft (12) is arranged in the middle of the corresponding waist-shaped through holes (14) in a penetrating mode, and fastening nuts (15) are arranged on the fixing shaft (12) and used for pressing and fixing the connecting piece (2) on the side wall of the open slot (13).
3. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 2, wherein the slab module is characterized in that: the fixed shaft (12) is also sleeved with a flat washer (16) and a spring pad (17), the flat washers (16) are respectively positioned at two sides of the connecting piece (2), the connecting piece (2) is convenient to slide, and the spring pad (17) is used for keeping the pressing force of the fastening nut (15).
4. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 2, wherein the slab module is characterized in that: the fixing shaft (12) is also provided with a pin hole (18), and a locking pin is arranged in the pin hole (18) and used for preventing the fastening nut (15) from falling off.
5. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 1, wherein the slab module is characterized in that: the open slot (13) run through the upper and lower surfaces of concrete substrate (11), the upper portion opening of open slot (13) is equipped with second step groove (21), fixed mounting has shrouding (22) on second step groove (21), shrouding (22) cover the upper portion opening of open slot (13).
6. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 5, wherein the flexible reinforced ultra-high performance concrete pavement slab module is characterized in that: the step bottom surface of second step groove (21) be equipped with mounting (23), mounting (23) have the internal thread, shrouding (22) are through countersunk head bolt and the internal thread connection of mounting (23).
7. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 1, wherein the slab module is characterized in that: the concrete base plate (11) is formed by casting ultra-high performance concrete, a reinforcing mesh is arranged below the inner part of the concrete base plate, and hoisting components are arranged in four corners of the upper surface of the concrete base plate.
8. The flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly according to claim 1, wherein the slab module is characterized in that: the first sealing heat-insulating filler (25) is asphalt sealant, and the second sealing heat-insulating filler (24) is polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311263095.1A CN117026717A (en) | 2023-09-27 | 2023-09-27 | Flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311263095.1A CN117026717A (en) | 2023-09-27 | 2023-09-27 | Flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117026717A true CN117026717A (en) | 2023-11-10 |
Family
ID=88626690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311263095.1A Pending CN117026717A (en) | 2023-09-27 | 2023-09-27 | Flexible reinforced ultra-high performance concrete pavement slab module capable of being paved rapidly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117026717A (en) |
-
2023
- 2023-09-27 CN CN202311263095.1A patent/CN117026717A/en active Pending
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