CN115652711A - Prefabricated assembly type waterlogging-prevention drainage municipal road construction method - Google Patents
Prefabricated assembly type waterlogging-prevention drainage municipal road construction method Download PDFInfo
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- CN115652711A CN115652711A CN202211251920.1A CN202211251920A CN115652711A CN 115652711 A CN115652711 A CN 115652711A CN 202211251920 A CN202211251920 A CN 202211251920A CN 115652711 A CN115652711 A CN 115652711A
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Abstract
The application discloses prefabricated assembly type waterlogging prevention and drainage municipal road construction method, which comprises the steps of leveling a roadbed, measuring and marking, prefabricating a road slab and a sleeper beam, paving the sleeper beam, pouring a permeable concrete layer and paving the road slab, wherein the sleeper beam and the road slab adopt a prefabricating mode, the sleeper beam is transversely placed on the roadbed, the permeable concrete layer fills the space between the adjacent sleeper beams, the road slab is paved on the sleeper beam, and after the pavement slab is paved, the permeable concrete is used for pouring non-motor vehicle lanes on two sides of the road slab. This application has the effect that reduces the road that concrete paving permeates water and is crushed probability.
Description
Technical Field
The invention relates to the field of road construction, in particular to a prefabricated assembly type waterlogging prevention and drainage municipal road construction method.
Background
Roads are generally paved by concrete, the land below the roads can be closed after the roads are paved, and rainwater on the roads is concentrated into drainage ditches at two sides of the roads and then is guided into rivers by the drainage ditches. However, the drainage effect of the drainage ditch is limited, when the drainage of the drainage ditch is not smooth or the rainfall reaches a certain amount, the water in the drainage ditch is not ready to flow into rivers, the drainage ditch is filled with the rainwater and overflows to the road, so that the road can be accumulated with water, and the road occasionally has the flood phenomenon in rainy seasons, so that the vehicle can not be driven.
In the correlation technique, adopt the concrete that permeates water to lay the road for water on the road can be through permeating water the concrete and permeating the soil of the below of road, solve the problem that the road takes place the flood easily when rainy season, but because the intensity of the concrete that permeates water is lower relatively, the road is crushed very easily, and life is low, and is with high costs.
With respect to the related art among the above, the applicant believes that the following drawbacks exist: the road paved with the pervious concrete is easy to crush.
Disclosure of Invention
In order to improve and use pervious concrete to lay the easy defect of being crushed of road, this application provides a prefabricated assembled waterlogging prevention drainage town road construction method.
The application provides a prefabricated assembly type waterlogging prevention and drainage municipal road construction method adopts following technical scheme:
a construction method of a prefabricated assembly type waterlogging-prevention drainage municipal road comprises the following steps:
leveling a roadbed: excavating the field, and filling and tamping to form a roadbed;
measuring and scribing: measuring a lineation on a roadbed, dividing the road into sections, numbering the sections, and recording the shape and size of each numbered section road;
prefabricating a road slab and a sleeper beam: according to the recorded shape and size of each numbered section road, sequentially prefabricating a pavement slab and a sleeper beam by using reinforced concrete in a factory, numbering the prefabricated pavement slab and the sleeper beam, and then transporting to a construction site for storage;
laying a sleeper beam: according to the line drawn on the roadbed, sequentially laying sleeper beams on the roadbed according to the serial numbers of the sleeper beams, transversely placing the sleeper beams on the roadbed, and sequentially laying the sleeper beams along the extending direction of the road;
pouring a pervious concrete layer: pouring pervious concrete on the roadbed to form a pervious concrete layer, filling the space between adjacent sleeper beams with the pervious concrete layer, wherein the upper surface of the pervious concrete layer is flush with the upper surfaces of the sleeper beams;
paving a road panel: paving road slabs on the sleeper beams in sequence according to the serial number sequence, then pouring asphalt in gaps between adjacent road slabs, after the road slabs are paved, extending two sides of the pervious concrete layers to the outside of two sides of the road slabs, and finally pouring non-motor vehicle lanes on two sides of the road slabs by using the pervious concrete, wherein the non-motor vehicle lanes are arranged above the pervious concrete layers extending to the outside of two sides of the road slabs.
By adopting the technical scheme, the permeable concrete layer is laid below the road slab, the permeable concrete is used for pouring the non-motor lane with lower bearing capacity, the accumulated water on the road can enter the permeable concrete layer below the road through the non-motor lane, and then enters the soil below the road through the permeable concrete layer, so that the discharge efficiency of the accumulated water on the road is improved; because the bearing capacity of the pervious concrete layer is low, the sleeper beams are laid on the roadbed, the main supporting force of the pavement layer is provided by the sleeper beams, and the pervious concrete layer only provides partial supporting force, so that the condition that the pervious concrete layer is crushed can be reduced, the road flood is improved, and the service life of the road is prolonged; and because lay the concrete layer that permeates water earlier, if the pavement layer adopts cast-in-place mode, then at the in-process of pouring the pavement layer, the tiny granule in the concrete of pavement layer can enter into the concrete layer that permeates water, blocks up the partial hole on the concrete layer that permeates water, reduces the efficiency of permeating water on the concrete layer that permeates water, so this application adopts the pavement board of prefabricated assembly formula, keeps the hole on the concrete layer that permeates water unblocked.
Preferably, bolts are embedded in two sides of each sleeper beam respectively, a longitudinal beam is installed between every two adjacent sleeper beams, the height of each longitudinal beam is half of that of each sleeper beam, connecting steel plates are arranged at two ends of each longitudinal beam respectively, and the connecting steel plates are connected with the bolts embedded in the sleeper beams through nuts.
By adopting the technical scheme, the two adjacent sleeper beams are fixedly connected through the longitudinal beam, so that the sleeper beams are mutually fixed into an integral structure, the sleeper beams are kept stable, the acting force can be transmitted to the adjacent sleeper beams, and the bearing capacity of the sleeper beams is improved; the height of the longitudinal beam is half of that of the sleeper beam, so that the connection firmness of the longitudinal beam to the sleeper beam can be ensured, the continuity of the pervious concrete between two adjacent sleeper beams can be kept, the pervious concrete between the two adjacent sleeper beams can be connected, and the dredging of water is facilitated.
Preferably, when the pervious concrete layer is poured, the sleeper beams and the longitudinal beams need to be vibrated properly, so that the pervious concrete at the sleeper beams and the longitudinal beams does not leak.
Through adopting above-mentioned technical scheme, for keeping the hole of the concrete that permeates water in the correlation technique, pour the operation that the concrete that permeates water adopts the compaction rather than vibrating, this application properly vibrates the concrete that permeates water of sleeper beam and longeron department, though can reduce the water permeability of the concrete that permeates water of pressing close to sleeper beam and longeron, but the condition that the bearing capacity that leaks and cause the concrete layer that permeates water descends appears in the concrete that permeates water that can reduce sleeper beam and longeron department, reduce the probability that the concrete layer that permeates water was crushed, improve the life of the concrete layer that permeates water.
Preferably, when the pavement slab is laid, the pavement slab is laid by adopting a laying device, the laying device comprises a supporting component, a hoisting component and a traveling component, the traveling component is arranged at the lower end of the supporting component, and the hoisting component is arranged at the upper end of the supporting component.
Through adopting above-mentioned technical scheme, laying device transports the pavement slab from the storage to the position of laying and lays, is convenient for remove the pavement slab.
Preferably, the walking assembly comprises a crawler walking vehicle, the distance between two crawlers of the crawler walking vehicle is greater than the width of the pavement slab, a hoisting space is arranged in the middle of the crawler walking vehicle, the length of the hoisting space is greater than the length of the pavement slab, the width of the hoisting space is greater than the width of the pavement slab, and the hoisting assembly is arranged above the hoisting space.
By adopting the technical scheme, because the bearing capacity of the pervious concrete layer is relatively low, the pavement slab is heavy, in the process of hoisting the pavement slab, if a common wheel crane is adopted for hoisting, the pavement slab needs to be hoisted in front or behind, the weight of the crane is influenced by the weight of the pavement slab, the crane needs larger weight to keep balance, and the gravity of the pavement slab and the paving device can be concentrated at a plurality of wheels, so that the pervious concrete layers at the positions of the wheels are subjected to larger bearing capacity, and the pervious concrete layers can be cracked and broken; in addition, the pavement slab lifts by crane in the handling space, is in the middle part of track walking car, and the weight of track walking car is not influenced by the weight of pavement slab, can design the weight of track walking car lighter, reduces the atress of the concrete layer that permeates water of track department to reduce the destroyed probability of the concrete layer that permeates water, prolong the life of the concrete layer that permeates water.
Preferably, the support assembly comprises two upright frames and a cross beam frame, the two upright frames are respectively arranged on two sides of the hoisting space, the lower ends of the upright frames are fixedly connected with the crawler walking vehicle, two sides of the cross beam frame are respectively fixedly connected with the upper ends of the two upright frames, and the hoisting assembly is arranged on the cross beam frame.
Through adopting above-mentioned technical scheme, the stand is used for supporting the crossbeam frame and provides a vertical space to the decking to in the decking goes up and down, the crossbeam frame is used for supporting hoist and mount subassembly.
Preferably, the column frame includes many hydraulic telescoping rod, many hydraulic telescoping rod follows the fore-and-aft direction interval of track walking car sets up, adjacent two hydraulic telescoping rod passes through vertical pole fixed connection, hydraulic telescoping rod is connected with the oil pump.
Through adopting above-mentioned technical scheme, the lift through hydraulic telescoping rod drives whole crossbeam frame and goes up and down, thereby drive hoist and mount subassembly and road deck board and go up and down, hydraulic telescoping rod's the big and many hydraulic telescoping rod of holding power disperses the indirect effort of applying of road deck board, make the support of road deck board more stable, and if adopt hoist and mount subassembly drive road deck board's lift, then the atress of the tie point of hoist and mount subassembly and crossbeam frame is great, the tie point that probably leads to hoist and mount subassembly and crossbeam frame is thrown off, road deck board has the risk that drops.
Preferably, the hoisting assembly comprises two longitudinal slide rails, two transverse slide rails and a hoisting tool, the longitudinal slide rails are fixed on two sides of the transverse beam frame respectively, two ends of the transverse slide rails are slidably mounted on the two longitudinal slide rails respectively, and the hoisting tool is slidably mounted on the transverse slide rails.
Through adopting above-mentioned technical scheme, indulge slide rail and horizontal slide rail and make the road deck can longitudinal movement and lateral shifting respectively, adjust the accurate mounted position with the road deck, the counterpoint installation of the road deck of being convenient for.
Preferably, the hoist includes the sliding cart, hoist cable and gallows, the sliding cart slidable mounting in on the cross sliding rail, the both ends of hoist cable are connected respectively sliding cart and gallows, install a plurality of sucking discs on the gallows, the sucking disc is connected with the vacuum pump through the trachea, the vacuum pump install in on the crossbeam frame.
Through adopting above-mentioned technical scheme, compress tightly the sucking disc to the curb plate on, then start the vacuum pump and carry out the evacuation to the sucking disc for the sucking disc firmly adsorbs the curb plate, thereby can drive the curb plate and go up and down, need not to set up the hoisting point on the road surface, keeps the curb plate level and smooth.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the method, the pervious concrete layer is laid below the road deck, the pervious concrete is adopted to pour the non-motor vehicle lane which needs low bearing capacity, accumulated water on the road can enter the pervious concrete layer below the road lane through the non-motor vehicle lane, and then enters the soil below the road through the pervious concrete layer, so that the discharge efficiency of the accumulated water on the road is improved; because the bearing capacity of the pervious concrete layer is low, the sleeper beams are laid on the roadbed, the main supporting force of the pavement layer is provided by the sleeper beams, and the pervious concrete layer only provides partial supporting force, so that the condition that the pervious concrete layer is crushed can be reduced, the road flood is improved, and the service life of the road is prolonged; because the pervious concrete layer is laid firstly, if the pavement layer adopts a cast-in-place mode, in the process of pouring the pavement layer, tiny particles in concrete of the pavement layer can enter the pervious concrete layer to block partial pores of the pervious concrete layer, so that the pervious efficiency of the pervious concrete layer is reduced, and the prefabricated pavement slab is adopted to keep the pores of the pervious concrete layer unblocked;
2. because the bearing capacity of the pervious concrete layer is relatively low, the pavement slab is heavy, in the process of hoisting the pavement slab, if a common wheel crane is used for hoisting, the pavement slab needs to be hoisted in front or behind, the weight of the crane is influenced by the weight of the pavement slab, the crane needs larger weight to keep balance, and the gravity of the pavement slab and the laying device can be concentrated at a plurality of wheels, so that the pervious concrete layers at the positions of the wheels are subjected to larger bearing capacity, and the pervious concrete layers can be cracked and broken; in addition, the pavement slab lifts by crane in the handling space, is in the middle part of track walking car, and the weight of track walking car is not influenced by the weight of pavement slab, can design the weight of track walking car lighter, reduces the atress of the concrete layer that permeates water of track department to reduce the destroyed probability of the concrete layer that permeates water, prolong the life of the concrete layer that permeates water.
Drawings
FIG. 1 is a flow chart of a construction method of a prefabricated assembly type waterlogging prevention and drainage municipal road according to an embodiment of the application.
Fig. 2 is a schematic longitudinal structural section of a road according to the first embodiment of the present application.
Fig. 3 is a schematic structural view of a laying device according to a second embodiment of the present application.
Fig. 4 is another schematic structural diagram of the laying device according to the second embodiment of the present application.
Description of the reference numerals:
1. a roadbed; 2. a road surface plate; 3. a sleeper beam; 4. a pervious concrete layer; 5. asphalt; 61. a crawler traveling vehicle; 62. hoisting space; 63. a column frame; 631. a hydraulic telescopic rod; 632. an oil pump; 633. a longitudinal bar; 64. a cross beam frame; 65. hoisting the assembly; 651. a longitudinal slide rail; 652. a transverse slide rail; 653. a spreader; 6531. a slipping vehicle; 6532. a sling; 6533. an air pipe; 6534. a hanger; 6535. a suction cup; 6536. a vacuum pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a construction method of a prefabricated assembly type waterlogging-prevention drainage municipal road.
Example one
Referring to fig. 1 and 2, a construction method of a prefabricated assembly type waterlogging prevention and drainage municipal road comprises the following steps:
leveling a roadbed 1: clearing up the obstacles such as garbage, trees and the like in the construction range, excavating redundant soil by using an excavator and filling the redundant soil to a pit, filling the excavated road by using lime soil and tamping to form a roadbed 1, wherein the thickness of the lime soil is not less than 20cm.
Measuring and scribing: measuring and drawing segmentation lines, boundary lines of a motor vehicle lane and a non-motor vehicle lane on the roadbed 1, dividing the motor vehicle lane into segments and numbering the segments, wherein each segment corresponds to one number, recording the shape and the size of the motor vehicle lane of each numbered segment, the length of the motor vehicle lane of each segment is less than four meters, and marking the corresponding number by using a marking plate beside each segment of the motor vehicle lane.
The pavement slab 2 and the sleeper beam 3 are prefabricated: according to the shape and the size of each recorded numbered section road, a processing drawing of the road slab 2 and a processing drawing of the sleeper beam 3 corresponding to each section of motor vehicle lane are designed, and the road slab 2 and the sleeper beam 3 are prefabricated by adopting reinforced concrete in a factory according to the processing drawings. The length of the sleeper beam 3 is larger than the width of the road slab 2, the length of the sleeper beam 3 is equal to the width of a road, the width of the road slab 2 is equal to the width of a motor way, the prefabricated road slab 2 and the sleeper beam 3 are numbered by carbon pens, and then the road slab and the sleeper beam are transported to a construction site for storage. When depositing, adopt the sleeper interval between two adjacent road deck boards 2 of stacking, the lifting by crane of road deck board 2 of being convenient for, the serial number of the road deck board 2 of stacking just reduces from bottom to top in proper order in succession, is convenient for in order the handling.
Laying the sleeper beam 3: according to the segmentation line on the roadbed 1, sleeper beams 3 are laid on the roadbed 1 in sequence according to the serial numbers of the sleeper beams 3, the sleeper beams 3 are transversely laid on the roadbed 1, the sleeper beams 3 are laid in sequence along the extending direction of a road, and two longitudinal beams are adopted for connecting two adjacent sleeper beams 3, so that the sleeper beams 3 are fixedly connected into an integral structure, and the stability and the bearing capacity of the sleeper beams 3 are improved. The two longitudinal beams divide the sleeper beam 3 into three equal parts, the height of the longitudinal beams is half of that of the sleeper beam 3, and the bottom surfaces of the longitudinal beams are flush with the bottom surface of the sleeper beam 3. Bolts are embedded in two sides of the sleeper beam 3 respectively, connecting steel plates are arranged at two ends of the longitudinal beam respectively, and the connecting steel plates are connected with the bolts embedded in the sleeper beam 3 through nuts.
Pouring the pervious concrete layer 4: pouring pervious concrete on the roadbed 1 to form a pervious concrete layer 4, wherein the width of the pervious concrete is the same as that of a road, the pervious concrete layer 4 fills the space between adjacent sleeper beams 3, the pervious concrete layer 4 covers the longitudinal beam, and the vibrating sleeper beams 3 and the longitudinal beam are required to be properly pressed close to during pouring, so that the pervious concrete at the sleeper beams 3 and the longitudinal beam is free from the phenomenon of air leakage, and the sleeper beams 3 and the longitudinal beam are far away from for vibration. The upper surface of the pervious concrete layer 4 is flush with the upper surface of the sleeper beam 3, after pouring, the pervious concrete layer 4 higher than the upper surface of the sleeper beam 3 is ground, dust generated during grinding is absorbed completely by a dust collector after grinding, then the ground level is washed by clear water, the dust entering the pervious concrete layer 4 is washed away, and the pores of the pervious concrete layer 4 are kept smooth. After the pervious concrete layer 4 is poured, the pervious concrete layer 4 is covered by dustproof cloth, so that the pores of the pervious concrete layer 4 are kept from being blocked.
Paving the road slab 2: according to the segmentation line on the roadbed 1 and the boundary line of the motor vehicle lane and the non-motor vehicle lane, the road surface plates 2 are sequentially paved on the sleeper beams 3 according to the numbering sequence, the dustproof cloth at the paving position is firstly collected during paving, and then the paving of the road surface plates 2 is carried out. The reinforcing steel bars at the two ends of two adjacent road slabs 2 are mutually butted, then the reinforcing steel bars on the two road slabs 2 are bound, and then asphalt 5 is poured in the gap between the adjacent road slabs 2. After the pavement of the pavement slab 2 is finished, the non-motor vehicle lanes are poured on two sides of the pavement slab 2 by using pervious concrete, and the non-motor vehicle lanes are connected with pervious concrete layers 4 extending to the outside of two sides of the pavement slab 2.
The implementation principle of the construction method of the prefabricated assembly type waterlogging-prevention drainage municipal road is as follows: the embodiment lays the motor vehicle lane and the non-motor vehicle lane of the road separately, the bearing capacity required by the motor vehicle lane is larger, the pavement slab 2 prefabricated by reinforced concrete is paved, the bearing capacity required by the non-motor vehicle lane is smaller, the pavement slab is formed by pouring permeable concrete, the permeable concrete layer 4 is paved below the motor vehicle lane and the non-motor vehicle lane, the accumulated water on the road seeps downwards from the non-motor vehicle lane, enters the permeable concrete layer 4, and then seeps downwards from the permeable concrete layer 4 into the soil below the road, so that the drainage efficiency of the road is improved, and the waterlogging prevention and drainage of the road are realized. Because the bearing capacity of the pervious concrete layer 4 is lower, if the gravity of the vehicle running on the motor vehicle road is completely applied to the pervious concrete layer 4, the pervious concrete layer 4 is easy to break, so the sleeper beam 3 is laid on the roadbed 1, the main supporting force of the pavement layer is provided by the sleeper beam 3, and the pervious concrete layer 4 only provides partial supporting force, thereby the condition that the pervious concrete layer 4 is crushed can be reduced, the road flood is improved, and the service life of the road is prolonged. And because lay pervious concrete layer 4 earlier, if the pavement layer adopts cast-in-place mode, then at the in-process of pouring the pavement layer, the tiny particle in the concrete of pavement layer can enter into pervious concrete layer 4, blocks up the partial hole on pervious concrete layer 4, reduces pervious concrete layer 4's the efficiency of permeating water, so this application adopts the pavement board 2 of prefabricated assembled, keeps pervious concrete layer 4's hole unblocked.
Example two
Referring to fig. 3 and 4, the difference from the first embodiment is that, when paving the road slab 2, the paving device is used to assist paving the road slab 2, the paving device includes a support component, a hoisting component 65 and a walking component, the walking component is installed at the lower end of the support component, the hoisting component 65 is installed at the upper end of the support component, the walking component provides moving power and drives the hoisting component 65 and the support component to move, the support component provides supporting force for the hoisting component 65 and supports the hoisting component 65 to a high place, the hoisting component 65 is used for connecting and loosening the road slab 2, and the support component and the hoisting component 65 together hoist and place the road slab 2. The running gear includes track walking car 61, the interval of two tracks of track walking car 61 is greater than the width of pavement board 2, the rear portion of track walking car 61 is equipped with the driver's cabin, the below of driver's cabin is located to the engine of track walking car 61, the middle part of track walking car 61 is equipped with handling space 62, the place ahead of driver's cabin and engine is located to handling space 62, handling space 62 is located between two tracks of track walking car 61, the length in handling space 62 is greater than the length of pavement board 2, the width in handling space 62 is greater than the width of pavement board 2, the top in handling space 62 is located to hoist and mount subassembly 65. When the road deck 2 is hoisted, the crawler traveling vehicle 61 is firstly driven to the road deck 2, so that the road deck 2 is positioned in the hoisting space 62, the hoisting component 65 is connected with the road deck 2, the road deck 2 is hoisted through the supporting component and the hoisting component 65, and the road deck 2 is transported to the laying position to be laid. The pavement slab 2 that lifts up is located handling space 62, so laying device's weight does not receive the influence of pavement slab 2's weight, and pavement slab 2 is overweight and the condition that leads to laying device to overturn can not appear, so can design the weight of crawler belt walking car 61 lighter to reduce pavement slab 2 and lay the destruction of in-process to pervious concrete layer 4.
The supporting assembly comprises two upright column frames 63 and a cross beam frame 64, the two upright column frames 63 are symmetrically arranged on two sides of the lifting space 62 respectively, the lower ends of the upright column frames 63 are fixedly connected with the crawler walking vehicle 61, two sides of the cross beam frame 64 are fixedly connected with the upper ends of the two upright column frames 63 respectively, and the lifting assembly 65 is installed on the cross beam frame 64. Upright frame 63 includes many hydraulic telescoping rod 631, many hydraulic telescoping rod 631 set up along the fore-and-aft direction interval of track walking car 61, hydraulic telescoping rod 631's one end is fixed in track walking car 61, be equipped with vertical pole 633 between two adjacent hydraulic telescoping rod 631, the one end of track walking car 61 is connected to two adjacent hydraulic telescoping rod 631 of fixed connection respectively at the both ends of vertical pole 633, all hydraulic telescoping rod 631 pass through oil pipe and are connected to same oil pump 632, oil pump 632 installs on track walking car 61, all hydraulic telescoping rod 631 of oil pump 632 drive are synchronous flexible, make the both sides of crossbeam frame 64 can the synchronous lift, go up and down steadily. The cross beam frame 64 is composed of a plurality of rod pieces connected longitudinally and transversely, the cross beam frame 64 is a square frame, and the hoisting assembly 65 is installed on the cross beam frame 64. Adopt hydraulic telescoping rod 631's lift drive crossbeam frame 64 to go up and down for hoist and mount subassembly 65 goes up and down, drives pavement board 2 and goes up and down, and hydraulic pressure goes up and down to provide great drive power, just controls pavement board 2's lift, goes up and down comparatively stably moreover.
The hoisting assembly 65 comprises two longitudinal slide rails 651, a transverse slide rail 652 and a hoisting tool 653, wherein the two longitudinal slide rails 651 are respectively fixed on two sides of the transverse beam frame 64, the two longitudinal slide rails 651 are parallel to each other, and the transverse slide rail 652 is perpendicular to the longitudinal slide rails 651. The two ends of the horizontal sliding rail 652 are respectively and fixedly connected with sliding blocks, the two sliding blocks are respectively and slidably mounted on the two longitudinal sliding rails 651, and the lifting appliance 653 is slidably mounted on the horizontal sliding rail 652. The lifting appliance 653 can slide on the transverse sliding rail 652 to drive the road slab 2 to move transversely, and the transverse sliding rail 652 can move along the longitudinal sliding rail 651 to drive the road slab 2 to move longitudinally, so that transverse and longitudinal movement of the road surface is realized, and the road slab 2 is paved at an accurate position. The lifting appliance 653 comprises a sliding trolley 6531, a lifting cable 6532 and a lifting frame 6534, the sliding trolley 6531 is slidably mounted on the cross sliding rail 652, the upper end of the lifting cable 6532 is fixedly connected to the sliding trolley 6531, the lower end of the lifting cable 6532 is branched into four sub-cables, and the four sub-cables are respectively connected with four corners of the lifting frame 6534. The hanger 6534 is composed of a plurality of bar member assemblies which are connected in a criss-cross manner, a plurality of suction cups 6535 are mounted on the hanger 6534, the suction cups 6535 are arranged below the connection positions of the bar members of the hanger 6534, the suction cups 6535 are fixedly connected with the hanger 6534, the suction cups 6535 are connected with the vacuum pump 6536 through the air pipe 6533, all the suction cups 6535 are connected with the same vacuum pump 6536, and the vacuum pump 6536 is fixedly mounted on the beam frame 64. When the road slab 2 is hoisted, the suction cup 6535 is firstly pressed on the road slab 2, then the vacuum pump 6536 is started, the vacuum pump 6536 vacuumizes the suction cup 6535, so that a vacuum degree is generated in the suction cup 6535, the suction cup 6535 tightly sucks the road slab 2, and the connection between the hanger 653 and the road slab 2 is realized.
The implementation principle of the above embodiment is as follows: this embodiment adopts track walking car 61 to increase the area of contact of car and pervious concrete layer 4, and the track can stride across many sleeper beams 3 simultaneously moreover for sleeper beam 3 bears most car weight and pavement slab 2's gravity, thereby reduces pavement slab 2 and hoists the in-process and to pass through the destroyed probability of pervious concrete layer 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A prefabricated waterlogging-prevention drainage municipal road construction method is characterized by comprising the following steps:
leveling a roadbed (1): excavating the field, and filling and tamping to form a roadbed (1);
measuring and scribing: measuring a scribe line on the roadbed (1), dividing the road into sections, numbering the sections, and recording the shape and size of each numbered section road;
the pavement slab (2) and the sleeper beam (3) are prefabricated: according to the recorded shape and size of each numbered section road, sequentially prefabricating a pavement slab (2) and a sleeper beam (3) by using reinforced concrete in a factory, numbering the prefabricated pavement slab (2) and the sleeper beam (3), and then transporting to a construction site for storage;
laying a sleeper beam (3): according to the marking lines on the roadbed (1), sequentially laying sleeper beams (3) on the roadbed (1) according to the serial numbers of the sleeper beams (3), transversely placing the sleeper beams (3) on the roadbed (1), and sequentially laying the sleeper beams (3) along the extending direction of the road;
pouring the pervious concrete layer (4): pouring pervious concrete on the roadbed (1) to form a pervious concrete layer (4), wherein the pervious concrete layer (4) fills the space between adjacent sleeper beams (3);
paving a road panel (2): paving the pavement boards (2) on the sleeper beams (3) in sequence according to the serial number sequence, then pouring asphalt (5) in gaps between the adjacent pavement boards (2), after the pavement boards (2) are paved, extending the two sides of the pervious concrete layers (4) outside the two sides of the pavement boards (2), and finally pouring the non-motor vehicle lanes on the two sides of the pavement boards (2) by using the pervious concrete, wherein the non-motor vehicle lanes are arranged above the pervious concrete layers (4) extending outside the two sides of the pavement boards (2).
2. The construction method of the prefabricated waterlogging-prevention and drainage municipal road according to claim 1, characterized in that: bolts are embedded in two sides of each sleeper beam (3), a longitudinal beam is installed between every two adjacent sleeper beams (3), the height of each longitudinal beam is half of that of each sleeper beam (3), connecting steel plates are arranged at two ends of each longitudinal beam respectively, and the connecting steel plates are connected with the bolts embedded in the sleeper beams (3) through nuts.
3. The construction method of the prefabricated waterlogging-prevention and drainage municipal road according to claim 2, characterized in that: when the pervious concrete layer (4) is poured, the sleeper beam (3) and the longitudinal beam are required to be vibrated properly, so that the pervious concrete at the sleeper beam (3) and the longitudinal beam does not leak.
4. The construction method of the prefabricated waterlogging-prevention and drainage municipal road according to claim 1, characterized in that: when pavement slab (2) were laid, adopt laying device to assist laying of pavement slab (2), laying device includes supporting component, hoisting component (65) and walking subassembly, walking subassembly install in supporting component's lower extreme, hoisting component (65) install in supporting component's upper end.
5. The prefabricated waterlogging-prevention drainage municipal road construction method according to claim 4, characterized in that: the walking assembly comprises a crawler walking vehicle (61), the distance between two crawlers of the crawler walking vehicle (61) is greater than the width of the pavement slab (2), a lifting space (62) is arranged in the middle of the crawler walking vehicle (61), the length of the lifting space (62) is greater than the length of the pavement slab (2), the width of the lifting space (62) is greater than the width of the pavement slab (2), and the lifting assembly (65) is arranged above the lifting space (62).
6. The construction method of the prefabricated waterlogging-prevention and drainage municipal road according to claim 5, characterized in that: the support assembly comprises two upright post frames (63) and a cross beam frame (64), the two upright post frames (63) are respectively arranged on two sides of the lifting space (62), the lower ends of the upright post frames (63) are fixedly connected with the crawler walking vehicle (61), two sides of the cross beam frame (64) are respectively fixedly connected with two upper ends of the upright post frames (63), and the hoisting assembly (65) is installed on the cross beam frame (64).
7. The construction method of the prefabricated waterlogging-prevention and drainage municipal road according to claim 6, characterized in that: upright post frame (63) includes many hydraulic telescoping rod (631), many hydraulic telescoping rod (631) is followed the fore-and-aft direction interval of track walking car (61) sets up, adjacent two hydraulic telescoping rod (631) is through vertical pole (633) fixed connection, hydraulic telescoping rod (631) is connected with oil pump (632).
8. The prefabricated waterlogging-prevention drainage municipal road construction method according to claim 4, characterized in that: the hoisting assembly (65) comprises two longitudinal slide rails (651), a transverse slide rail (652) and a lifting appliance (653), wherein the two longitudinal slide rails (651) are fixed on two sides of a transverse beam frame (64) respectively, two ends of the transverse slide rail (652) are slidably mounted on the two longitudinal slide rails (651) respectively, and the lifting appliance (653) is slidably mounted on the transverse slide rail (652).
9. The construction method of the prefabricated waterlogging-prevention and drainage municipal road according to claim 8, characterized in that: the lifting appliance (653) comprises a sliding trolley (6531), a lifting rope (6532) and a lifting frame (6534), the sliding trolley (6531) is slidably mounted on the cross sliding rail (652), two ends of the lifting rope (6532) are respectively connected with the sliding trolley (6531) and the lifting frame (6534), a plurality of suction cups (6535) are mounted on the lifting frame (6534), the suction cups (6535) are connected with a vacuum pump (6536) through air pipes (6533), and the vacuum pump (6536) is mounted on the cross beam frame (64).
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| CN115652711B (en) | 2023-06-27 |
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