CN214401329U

CN214401329U - Cement stabilized macadam base course structure of mating formation

Info

Publication number: CN214401329U
Application number: CN202120202973.9U
Authority: CN
Inventors: 陈平; 李东良; 胡晓勤
Original assignee: Zhangjiagang Free Trade Zone Jinyuntong Municipal Construction Engineering Co ltd
Current assignee: Zhangjiagang Free Trade Zone Jinyuntong Municipal Construction Engineering Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-15
Anticipated expiration: 2031-01-25

Abstract

The utility model belongs to the technical field of road construction and specifically relates to a rubble basic unit structure of mating formation is stabilized to cement is related to, and it sets up on the underframe including prefabricated piece and the underframe of mating formation, prefabricated piece of mating formation, is equipped with the locating plate on the underframe, and the polylith has been arranged at the locating plate interval. The bottom surface of the prefabricated paving block is provided with a guide inclined plane, one surface of the positioning plate, facing the prefabricated paving block, is provided with a guide block, and the width of the guide block is gradually increased from top to bottom. The bottom frame is provided with fixing sheets, a plurality of the fixing sheets are arranged at intervals along the width direction of the roadbed, and a plurality of rows of the fixing sheets are arranged at intervals along the length direction of the roadbed. The method and the device have the effects of simplifying construction steps and improving the site construction efficiency.

Description

Cement stabilized macadam base course structure of mating formation

Technical Field

The application relates to the field of road construction, in particular to a cement stabilized macadam base course paving structure.

Background

The cement stabilized macadam base layer is a supporting structure which is paved and compacted on a roadbed according to the embedding and extruding principle by taking graded macadams as aggregates, filling gaps of the aggregates by adopting a certain amount of cementing materials and enough mortar volume. The compactness of the mortar is close to the compactness, the strength mainly depends on the embedding, extruding and locking principles among the gravels, and simultaneously, the mortar has enough volume to fill the gaps of the aggregate.

At present, when a cement stabilized macadam base layer is laid, graded macadams are uniformly and fully mixed and stirred with other raw materials such as cement in a factory, the graded macadams which are proportioned are conveyed to paving equipment, and the paving equipment is used for uniformly paving the graded macadams on a roadbed. The completion gradation rubble paves the back, and the watering lorry is sprayed water to the cement stabilization rubble basic unit of accomplishing the paving, and before cement solidifies completely, the road roller carries out the roll extrusion of many different forms to cement stabilization rubble basic unit, makes cement stabilization rubble basic unit surfacing to reduce the clearance between the gradation rubble, with the compaction of cement stabilization rubble basic unit, carry out the compressive strength test on road surface simultaneously. And the test result is qualified, and the cement stabilized macadam base course is paved after the cement is completely solidified.

Aiming at the related technologies, the inventor thinks that the cement stabilized macadam base layer is paved on site, the working procedures are more, the process is more complicated, and the construction efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to simplify the construction step, promote site operation efficiency, this application provides a rubble basic unit pavement structure is stabilized to cement.

The application provides a pair of rubble basic unit pavement structure is stabilized to cement adopts following technical scheme:

the utility model provides a rubble basic unit structure of mating formation is stabilized to cement, lays on the road bed, including prefabricated piece and the underframe of mating formation, prefabricated piece setting of mating formation is on the underframe, be equipped with the locating plate on the underframe, the polylith has been arranged at the locating plate interval.

By adopting the technical scheme, the preparation of the prefabricated paving blocks is finished in a factory, and the prefabricated paving blocks are conveyed to a construction site through the conveying equipment. The bottom frame and the positioning plate are prefabricated in a factory and are conveyed to a construction site through conveying equipment. Lay the underframe on the road bed, will prefabricate the piece setting of mating formation on the underframe, the locating plate is fixed a position the position of piece on the underframe of prefabricating mating formation, packs the concrete in the clearance between the piece of prefabricating mating formation, and the setting of cement stabilization rubble basic unit is conveniently accomplished at the scene fast. The process of paving the graded broken stone mixture on the roadbed and repeatedly rolling the road roller is omitted, the construction steps are simplified, and the construction efficiency is improved.

Optionally, a guide inclined plane is arranged on the bottom surface of the prefabricated paving block, a guide block is arranged on one surface of the positioning plate facing the prefabricated paving block, and the width of the guide block gradually increases from top to bottom.

Through adopting above-mentioned technical scheme, when the prefabricated piece of mating formation fell and get into between the locating piece, the inclined plane laminating of direction inclined plane and guide block led to the whereabouts direction of prefabricated piece of mating formation, made things convenient for the prefabricated piece of mating formation to accomplish the location fast on the underframe, promoted the efficiency of laying of prefabricated piece of mating formation, further promoted the efficiency of construction.

Optionally, the bottom frame is provided with fixing sheets, the fixing sheets are arranged at intervals along the width direction of the roadbed, and a plurality of rows of the fixing sheets are arranged at intervals along the length direction of the roadbed.

Through adopting above-mentioned technical scheme, the auxiliary positioning board of stationary blade is fixed a position the prefabricated piece of mating formation on the underframe, promotes the stability of mating formation and the positioning accuracy of prefabricated piece of mating formation on the underframe.

Optionally, the top end of the fixing sheet is obliquely arranged, and the side wall of the fixing sheet is attached to the guide inclined plane.

Through adopting above-mentioned technical scheme, when the prefabricated piece of mating formation fell and gets into between the locating piece, the lateral wall laminating of direction inclined plane and stationary blade led to the whereabouts direction of prefabricated piece of mating formation, made things convenient for the prefabricated piece of mating formation to accomplish the location fast on the underframe, promoted the efficiency of laying of prefabricated piece of mating formation, further promoted the efficiency of construction.

Optionally, an abdicating groove is formed between the adjacent prefabricated paving blocks, and the abdicating grooves are communicated with each other.

Through adopting above-mentioned technical scheme, the groove of stepping down increases the clearance between the adjacent prefabricated piece of mating formation, makes things convenient for the concrete to fill the clearance between the prefabricated piece of mating formation fast, reduces the artifical condition that lets in the concrete to the clearance between the prefabricated piece of mating formation and appears, further promotes the efficiency of mating formation of prefabricated piece of mating formation, further promotes the laying efficiency of cement stabilized macadam basic unit.

Optionally, the outer side wall of the bottom frame is provided with a baffle, and a plurality of blocks are arranged at intervals on the baffle.

Through adopting above-mentioned technical scheme, the baffle blocks that the concrete is discharged from the opening in the groove of stepping down, makes the concrete fill the groove of stepping down completely, shortens the process that the groove of stepping down was filled to the concrete, indirectly promotes the efficiency of laying of cement stabilized macadam basic unit.

Optionally, a plurality of clamping frames for the baffles to be inserted are arranged on the side wall of the bottom frame and correspond to the baffles at intervals.

Through adopting above-mentioned technical scheme, the baffle can be dismantled with the card frame and be connected, accomplishes the back of pouring of concrete, takes the baffle out from the card frame, makes things convenient for the recovery of baffle to recycle.

Optionally, be equipped with locking nail on the bottom surface of underframe, the interval of locking nail is arranged a plurality ofly, every all be equipped with a plurality of anti-loosening blocks on the lateral wall of locking nail.

Through adopting above-mentioned technical scheme, in nailing into the road bed with locking nail, make underframe and road bed laminating inseparabler, reduce the clearance between underframe and the road bed, promote the quality of mating formation of cement stabilized macadam basic unit.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bottom frame is laid on the roadbed, the prefabricated paving blocks are arranged on the bottom frame, the positioning plates position the prefabricated paving blocks on the bottom frame, and concrete is filled in gaps among the prefabricated paving blocks, so that the process of paving the graded broken stone mixture on the roadbed and repeatedly rolling the roadbed by a road roller is omitted, the construction steps are simplified, and the construction efficiency is improved;

2. set up a plurality of locking nails on the bottom surface of underframe, in nailing into the road bed with locking nail, promote the stability of underframe on the road bed, promote the construction quality of cement stabilized macadam basic unit.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view showing a bottom frame structure.

Fig. 3 is a partially enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. prefabricating paving blocks; 2. a bottom frame; 3. positioning a plate; 4. a guide block; 5. a fixing sheet; 6. a guide slope; 7. a yielding groove; 8. a baffle plate; 9. clamping a frame; 10. a lock pin; 11. anti-loosening blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses rubble basic unit pavement structure is stabilized to cement. Referring to fig. 1 and 2, the cement stabilized macadam base course pavement structure comprises a prefabricated pavement block 1 and a bottom frame 2, the prefabricated pavement block 1 is arranged on the bottom frame 2, and a guide inclined surface 6 is arranged on the bottom surface of the prefabricated pavement block 1. The bottom surface of the bottom frame 2 is provided with a plurality of anti-loosening nails 10, the anti-loosening nails 10 are arranged at intervals, and a plurality of anti-loosening blocks 11 are integrally formed on the side wall of each anti-loosening nail 10. In nailing into the road bed with locking nail 10, anti-loosening block 11 blocks the trend that takes off in locking nail 10 moves the road bed, fixes underframe 2 on the road bed, promotes the stability of underframe 2 on the road bed.

Referring to fig. 1, a plurality of yielding grooves 7 are formed between adjacent prefabricated paving blocks 1 and are communicated with each other. Pack the concrete in the groove of stepping down 7, the clearance of groove of stepping down 7 is filled completely to the concrete, with 1 interconnect of polylith prefabricated piece of mating formation, promotes the joint strength of prefabricated piece of mating formation 1, promotes the quality of mating formation of cement stabilized macadam basic unit.

Referring to fig. 2 and 3, the bottom frame 2 is provided with a positioning plate 3, and a plurality of positioning plates 3 are arranged at intervals along the length direction of the roadbed. Every locating plate 3 all is equipped with guide block 4 towards prefabricated paving block 1 one side on, and guide block 4's width is along the direction crescent from the top down. Be equipped with stationary blade 5 on the underframe 2, stationary blade 5 is the slope setting, and the lateral wall of stationary blade 5 and the laminating of the guide inclined plane 6 of prefabricated piece 1 of mating formation, the multi-disc of having arranged at interval of stationary blade 5 along the width direction of roadbed, and the multirow of having arranged at interval of multi-disc stationary blade 5 along the length direction of roadbed.

Referring to fig. 1 and 2, prefabricated mat formation piece 1 falls to underframe 2 under overhead hoist's drive, and the side wall laminating of the lateral wall of the direction inclined plane 6 and guide block 4 and the lateral wall of stationary blade 5 of prefabricated mat formation piece 1, guide block 4 and stationary blade 5 lead the whereabouts direction of prefabricated mat formation piece 1, promote the precision of mating formation of prefabricated mat formation piece 1. The positioning plate 3 and the fixing plate 5 block the sliding trend of the prefabricated paving block 1 on the bottom frame 2, and the stability of the prefabricated paving block 1 on the bottom frame 2 is improved.

Referring to fig. 1 and 2, a plurality of clamping frames 9 are fixed on the outer side wall of the bottom frame 2, the clamping frames 9 are arranged at intervals, the plurality of clamping frames 9 are arranged at the opening of the abdicating groove 7, and a baffle 8 is inserted into each clamping frame 9. When concreting, baffle 8 blocks that the concrete spills from stepping down the groove 7, makes things convenient for the concrete to fill completely stepping down the groove 7, shortens the time that artifical vibration made the concrete, indirectly promotes the efficiency of construction.

The implementation principle of the gravel base course pavement structure is stabilized to cement of this application embodiment is: and (3) preparing the prefabricated paving blocks 1 and the bottom frame 2 in a factory, and transporting the bottom frame 2 and the prefabricated paving blocks 1 to a construction site. The anti-loosening nails 10 are nailed into the roadbed, the bottom frame 2 is fixed on the roadbed, the prefabricated paving blocks 1 are lifted to the bottom frame 2 by using a lifting device, and the bottom frame 2 is clamped between the positioning plate 3 and the fixing plate 5. The baffle 8 is inserted into the clamping frame 9, concrete is poured into the abdicating groove 7, and the concrete is vibrated by using a vibrating device. And after the concrete is solidified, dismantling the baffle 8 to finish paving the cement stabilized macadam base layer.

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

1. The utility model provides a rubble basic unit structure of mating formation is stabilized to cement, lays on the road bed, its characterized in that: including prefabricated paving piece (1) and underframe (2), prefabricated paving piece (1) sets up on underframe (2), be equipped with locating plate (3) on underframe (2), the polylith has been arranged at the interval in locating plate (3).

2. The cement stabilized macadam bedding construction as recited in claim 1, further comprising: be equipped with direction inclined plane (6) on the bottom surface of prefabricated mat formation piece (1), locating plate (3) are equipped with guide block (4) towards prefabricated mat formation piece (1) one side, the width of guide block (4) is followed from the top down direction and is crescent.

3. The cement stabilized macadam bedding construction as recited in claim 2, wherein: be equipped with stationary blade (5) on underframe (2), the multi-disc has been arranged along the width direction interval of roadbed to stationary blade (5), the multi-disc stationary blade (5) have arranged the multirow along the length direction interval of roadbed.

4. The cement stabilized macadam bedding construction as recited in claim 3, wherein: the top end of the fixing piece (5) is obliquely arranged, and the side wall of the fixing piece (5) is attached to the guide inclined plane (6).

5. The cement stabilized macadam bedding construction as recited in claim 1, further comprising: and adjacent abdicating grooves (7) are arranged between the prefabricated paving blocks (1), and the abdicating grooves (7) are mutually communicated.

6. The cement stabilized macadam bedding construction as recited in claim 5, wherein: be equipped with baffle (8) on the lateral wall of underframe (2), the polylith has been arranged at baffle (8) interval.

7. The cement stabilized macadam bedding construction as recited in claim 6, further comprising: the side wall of the bottom frame (2) is provided with a plurality of clamping frames (9) for the insertion of the baffles (8), and the clamping frames (9) are arranged at intervals corresponding to the baffles (8).

8. The cement stabilized macadam bedding construction as recited in claim 1, further comprising: be equipped with locking nail (10) on the bottom surface of underframe (2), the interval of locking nail (10) is arranged a plurality ofly, every all be equipped with a plurality of anti-loosening blocks (11) on the lateral wall of locking nail (10).