CN112376346A - Rubber asphalt pavement and construction method thereof - Google Patents
Rubber asphalt pavement and construction method thereof Download PDFInfo
- Publication number
- CN112376346A CN112376346A CN202011233779.3A CN202011233779A CN112376346A CN 112376346 A CN112376346 A CN 112376346A CN 202011233779 A CN202011233779 A CN 202011233779A CN 112376346 A CN112376346 A CN 112376346A
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- deceleration
- precast slab
- concrete precast
- concrete
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- 239000010426 asphalt Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 239000004567 concrete Substances 0.000 claims abstract description 97
- 239000002689 soil Substances 0.000 claims description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000011387 rubberized asphalt concrete Substances 0.000 claims 5
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a rubber asphalt pavement and a construction method thereof, relating to the technical field of road engineering. It includes road surface body, deceleration strip, supporting shoe, concrete precast slab, speed reduction platform and speed reduction picture peg, is equipped with in the supporting shoe and supports spacing hole, is equipped with prefabricated spacing hole in the concrete precast slab, and speed reduction picture peg one end is connected with the speed reduction platform, and the other end passes prefabricated spacing hole in proper order and supports spacing hole and insert to rammed mass in situ, and concrete precast slab upper end is connected with the speed reduction platform, and concrete precast slab lower extreme is connected with the supporting shoe, the deceleration strip upper end is located the asphalt layer, and deceleration strip lower extreme and concrete precast slab all are located the concrete layer, and concrete precast slab bottom is shelved on the metalling, and the supporting shoe upper end is located the rubble layer, and the supporting shoe lower. The invention has stronger structural stability and longer service life.
Description
Technical Field
The invention relates to the technical field of road engineering, in particular to a rubber asphalt pavement and a construction method thereof.
Background
With the increasing traffic volume, vehicles are gradually increased, so that certain roads are damaged in advance, and the driving comfort and the traffic safety are seriously influenced. After the damage condition of the existing road is investigated, it is found that the position on the road where the speed bump is installed is more easily damaged relative to other positions on the road (the road surface around the speed bump is easily cracked), the stability of the foundation of the position on the road where the speed bump is installed is relatively poor, and the service life of the road can be reduced.
The Chinese patent with the publication number of CN211112975U retrieved now discloses a combined type town road pavement structure, including speed of a motor vehicle buffer, the top fixedly connected with deceleration strip of speed of a motor vehicle buffer, the intermediate position fixedly connected with arc buffer block of deceleration strip, the top outside fixedly connected with arc buffering strip of arc buffer block, the bottom inner wall embedding of arc buffer block is connected with the shock attenuation hole.
The deceleration strip in the above-mentioned town road pavement structure is the direct mount on the road surface, because the effort ratio of deceleration strip to the road surface is concentrated, thereby make the vehicle on the road can produce perpendicular decurrent pressure and horizontal impact force under the effect of deceleration strip when the deceleration strip, thus, relapse, under the combined action of long-time pressure and impact force, the peripheral road surface of deceleration strip not only can produce a certain amount of differential settlement under the effect of pressure, and also can make the road surface of being connected with the deceleration strip on the road produce certain horizontal displacement under the effect of impact force, thereby the current road surface of legal system is relatively poor at the structural stability of deceleration strip installation department, easily destroyed, and life is shorter.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rubber asphalt pavement and a construction method thereof, and the rubber asphalt pavement has the advantages of stronger structural stability and longer service life.
In a first aspect, the above object of the present invention is achieved by the following technical solutions:
the utility model provides a rubber asphalt pavement, includes road surface body and deceleration strip, the road surface body includes asphalt layer, concrete layer, metalling and the tamped soil layer that top-down arranged in proper order, still includes supporting shoe and concrete prefabricated plate, the deceleration strip is the T style of calligraphy on the whole, the deceleration strip includes speed reduction platform and speed reduction picture peg, is equipped with in the supporting shoe and supports spacing hole, is equipped with prefabricated spacing hole in the concrete prefabricated plate, speed reduction picture peg one end is connected with the speed reduction platform, and the other end passes prefabricated spacing hole in proper order and supports spacing hole and insert to the tamped soil in situ, and the inner wall that supports the inner wall in spacing hole and prefabricated spacing hole all with the lateral wall of speed reduction picture peg is contradicted, concrete prefabricated plate upper end is connected with the speed reduction platform, and concrete prefabricated plate lower extreme is connected with the supporting shoe, the deceleration strip upper end is located the asphalt layer, and deceleration strip lower, the bottom of the concrete precast slab is placed on the gravel layer, the upper end of the supporting block is positioned in the gravel layer, and the lower end of the supporting block is positioned in the rammed soil layer.
By adopting the technical scheme, the concrete precast slab can uniformly disperse the vertical pressure from the deceleration table on the gravel layer, so that the excessive concentration of the pressure on the road surface of the deceleration accessory is avoided, and the risk that the peripheral road surface of the deceleration strip is crushed by an excessive load is reduced; meanwhile, the supporting blocks positioned below the concrete precast slabs can not only play a certain supporting role for the concrete precast slabs so as to prevent the concrete precast slabs from being broken off from the middle after being subjected to overweight pressure, but also play a certain limiting role for the concrete precast slabs so as to prevent the concrete precast slabs from producing overlarge horizontal displacement, so that under the combined action of the supporting blocks and the concrete precast slabs, the influence of long-time vertical pressure and transverse impact force on a pavement structure can be reduced, and the pavement structure has the advantages of stronger structural stability and longer service life.
The invention can be further configured in a preferred example that the two sides of the lower end of the deceleration table are connected with deceleration bases, and deceleration bolts inserted into the concrete precast slabs are installed on the deceleration bases.
By adopting the technical scheme, the deceleration platform and the concrete precast slab can be tightly connected together under the combined action of the deceleration bolt and the deceleration seat, so that the influence of the transverse impact force on the pavement structure is reduced.
The invention may further be configured in a preferred example, a plurality of first reinforcing ribs arranged at intervals are connected between the deceleration stage and the deceleration base, and a plurality of first anti-skid plates arranged at intervals are connected between adjacent reinforcing ribs.
Through adopting above-mentioned technical scheme, first strengthening rib can be used for strengthening the structural strength of this application to reduce the influence of vertical pressure to road surface structure.
The invention may be further configured in a preferred example that support seats are connected to both sides of the upper end of the support block, and support bolts inserted into the concrete precast slabs are mounted on the support seats.
Through adopting above-mentioned technical scheme, supporting seat and stay bolt can connect into a whole with supporting shoe and concrete precast slab to further reduce the influence of horizontal impact force to road surface structure.
The invention may further be configured in a preferred example, a plurality of second reinforcing ribs arranged at intervals are connected between the supporting seat and the supporting block, and a plurality of second anti-skid plates arranged at intervals are connected between adjacent reinforcing ribs.
Through adopting above-mentioned technical scheme, the second strengthening rib can further be used for strengthening the structural strength of this application to further reduce the influence of vertical pressure to road surface structure.
In a preferred example, the invention may further be configured to further include a limit bolt, a support bolt hole is provided in the support block, a speed reduction bolt hole is provided in the speed reduction insert plate, one end of the limit bolt is located in the support bolt hole, and the other end of the limit bolt is located in the speed reduction bolt hole.
Through adopting above-mentioned technical scheme, spacing bolt can be in the same place supporting shoe and concrete precast slab inseparabler connection to the structural stability who lets this application is better.
The present invention may be further configured in a preferred example such that the diameter of the deceleration pin hole is larger than the diameter of the support pin hole.
Through adopting above-mentioned technical scheme, people more can be better insert spacing bolt to supporting shoe and concrete precast slab in.
The invention can be further configured in a preferred example, wherein the asphalt layer comprises a pre-wrapped particle layer, a rubber powder layer and a matrix asphalt layer which are sequentially arranged from top to bottom.
Through adopting above-mentioned technical scheme, the pitch layer of this application can become the required rubber asphalt of this application by current ordinary pitch, and like this, the structural stability on road surface can be better.
The invention in a preferred example can be further configured that the deceleration table is provided with a deceleration bump on the top.
Through adopting above-mentioned technical scheme, the vehicle on the road surface can be slowed down to the arch that slows down to reduce the emergence of traffic accident.
In a second aspect, the above object of the present invention is achieved by the following technical solutions:
the construction method of the rubber asphalt pavement is characterized by comprising the following steps:
s1: determining the mounting position of the deceleration strip on the road surface according to a design drawing, excavating a soil layer in an area on the road where the deceleration strip is required to be mounted to form a foundation pit, and tamping the bottom of the foundation pit;
s2: arranging a supporting block at a proper position in the foundation pit, backfilling a soil layer generated in the foundation pit excavation process into the foundation pit, and tamping the soil layer in the foundation pit again to form a tamped soil layer, wherein the outer wall of the supporting block is in contact with the tamped soil layer;
s3: placing the concrete precast slab on the supporting block, and aligning the central line of the precast limiting hole with the central line of the supporting limiting hole;
s4: placing a deceleration inserting plate of the deceleration strip in the prefabricated limiting hole, and downwards hammering a deceleration table of the deceleration strip by using a heavy hammer to enable the lower end of the deceleration inserting plate to be inserted into the tamped soil layer;
s5: connecting the speed reducing belt, the concrete precast slab and the supporting block into a whole through a supporting bolt and a speed reducing bolt, and inserting a limiting bolt into a speed reducing bolt hole and a supporting bolt hole;
s6: the gravel layer, the concrete layer and the asphalt layer are sequentially laid on the rammed soil layer from bottom to top, the upper end of the speed bump is located in the asphalt layer, the lower end of the speed bump and the concrete precast slab are located in the concrete layer, and the bottom of the concrete precast slab is placed on the gravel layer.
By adopting the technical scheme, the concrete precast slab positioned below the deceleration table of the deceleration strip can uniformly disperse the vertical pressure from the deceleration table on the gravel layer, so that the excessive concentration of the pressure on the road surface of the deceleration accessory is avoided, and the risk that the peripheral road surface of the deceleration strip is crushed by an excessive load is reduced; meanwhile, the supporting blocks positioned below the concrete precast slabs can not only play a certain supporting role for the concrete precast slabs so as to prevent the concrete precast slabs from being broken off from the middle after being subjected to overweight pressure, but also play a certain limiting role for the concrete precast slabs so as to prevent the concrete precast slabs from producing overlarge horizontal displacement, so that under the combined action of the supporting blocks and the concrete precast slabs, the influence of long-time vertical pressure and transverse impact force on a pavement structure can be reduced, and the pavement structure has the advantages of stronger structural stability and longer service life.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the concrete precast slabs below the deceleration table of the deceleration strip can uniformly disperse the vertical pressure from the deceleration table on the gravel layer, so that the excessive concentration of the pressure on the road surface of the deceleration accessory is avoided, and the risk that the peripheral road surface of the deceleration strip is crushed by an excessive load is reduced;
2. the supporting blocks positioned below the concrete precast slabs not only can play a certain supporting role on the concrete precast slabs so as to prevent the concrete precast slabs from being broken off from the middle after being subjected to overweight pressure, but also can play a certain limiting role on the concrete precast slabs so as to prevent the concrete precast slabs from producing overlarge horizontal displacement.
3. Under the combined action of supporting shoe and concrete precast slab, this application can reduce long-time vertical pressure and horizontal impact force to the influence of road surface structure to make the structural stability on road surface stronger, life is longer.
Drawings
FIG. 1 is a schematic structural view of the rubber asphalt pavement of the present invention.
Reference numerals: 1. a pavement body; 11. an asphalt layer; 111. pre-wrapping a particle-attached layer; 112. a rubber powder layer; 113. a matrix asphalt layer; 12. a concrete layer; 13. a crushed stone layer; 14. tamping a soil layer; 15. a steel wire mesh layer; 2. a speed bump; 21. a deceleration stage; 22. a speed reducing plugboard; 23. a deceleration seat; 24. a reduction bolt; 25. a first reinforcing rib; 26. a deceleration bolt hole; 27. a first cleat; 3. a support block; 31. a supporting seat; 32. a support bolt; 33. a second reinforcing rib; 34. supporting the bolt hole; 35. a second cleat; 4. precast concrete slab; 5. and a limiting bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIG. 1, the present application mainly aims at the problem that the existing road surface is easily damaged by the transverse impact force and the vertical pressure at the deceleration strip 2, and provides a rubber asphalt road surface structure capable of reducing the influence of the transverse impact force and the vertical pressure on the road surface structure, which comprises a road surface body 1, the deceleration strip 2, supporting blocks 3 and concrete precast slabs 4.
As shown in fig. 1, the pavement body 1 includes an asphalt layer 11, a concrete layer 12, a gravel layer 13 and a rammed soil layer 14 which are sequentially arranged from top to bottom, the asphalt layer 11 includes a pre-wrapped granular layer 111, a rubber powder layer 112 and a matrix asphalt layer 113 which are sequentially arranged from top to bottom, the pre-wrapped granular layer 111 can be formed by laying broken stones, so that the asphalt layer 11 of the present application can be changed into rubber asphalt required by the present application from existing common asphalt, in actual work, the upper end of the speed reduction belt 2 is located in the asphalt layer 11, the lower end of the speed reduction belt 2 and the concrete precast slab 4 are both located in the concrete layer 12, the bottom of the concrete precast slab 4 is laid on the gravel layer 13, the upper end of the supporting block 3 is located in the gravel layer 13, and the lower end of the supporting block 3 is.
Preferably, in order to further increase the structural stability of this application, still be connected with steel wire netting 15 between rubble layer 13 and the tamped soil layer 14 to let better the installing on tamped soil layer 14 of rubble layer 13, during actual work, steel wire netting 15 comprises many vertically and horizontally staggered and the steel wire that is latticed structure on the whole.
As shown in fig. 1, the deceleration strip 2 is overall in a T shape and is formed by casting nodular cast iron, the deceleration strip 2 comprises a deceleration table 21 and a deceleration inserting plate 22 which are sequentially connected from top to bottom, and a deceleration protrusion (the top of the deceleration table 21 is arc-shaped) is arranged at the top of the deceleration table to reduce traffic accidents in a friction increasing mode. In actual work, the deceleration table 21 and the deceleration inserting plate 22 are of an integrated structure, meanwhile, in order to further and tightly connect the deceleration strip 2 with the concrete and the paper board, two sides of the lower end of the deceleration table 21 are connected with deceleration seats 23, and the deceleration seats 23 are provided with deceleration bolts 24 inserted into the concrete precast slabs 4. Preferably, in order to increase the structural strength of the present application, a plurality of first reinforcing ribs 25 are connected between the deceleration stage 21 and the deceleration base 23, and a plurality of first anti-slip plates 27 are connected between adjacent reinforcing ribs. Further, the heights of the first anti-skid plates 27 are sequentially increased from the periphery of the concrete precast slab 4 to the middle of the concrete, and of course, the heights of all the first anti-skid plates 27 are lower than the heights of the first reinforcing ribs 25.
As shown in fig. 1, the upper end of the supporting block 3 is used for placing the concrete precast slab 4, the lower end of the supporting block 3 is placed in the rammed soil layer 14, the supporting block 3 can be cast by ball-milled cast iron or cast by concrete, and the supporting block 3 can not only prevent the concrete precast slab 4 from being broken from the middle after being subjected to overweight pressure, but also prevent the concrete precast slab 4 from producing overlarge horizontal displacement.
During actual work, a prefabricated limiting hole is formed in the concrete prefabricated plate 4, a supporting limiting hole is formed in the supporting block 3, one end of the speed reducing inserting plate 22 is connected with the speed reducing platform 21, the other end of the speed reducing inserting plate penetrates through the prefabricated limiting hole and the supporting limiting hole in sequence and is inserted into the rammed soil layer 14, the inner wall of the supporting limiting hole and the inner wall of the prefabricated limiting hole are abutted to the side wall of the speed reducing inserting plate 22, the upper end of the concrete prefabricated plate 4 is connected with the speed reducing platform 21, the lower end of the concrete prefabricated plate 4 is connected with the supporting block 3, and therefore the concrete prefabricated plate 4 below the speed reducing platform 21 of the speed reducing belt 2 can uniformly disperse vertical pressure from the speed reducing platform 21.
In order to better connect the supporting block 3 and the concrete precast slab 4, supporting seats 31 are connected to both sides of the upper end of the supporting block 3, and supporting bolts 32 inserted into the concrete precast slab 4 are installed on the supporting seats 31. Preferably, a plurality of second reinforcing ribs 33 arranged at intervals are connected between the supporting seat 31 and the supporting block 3, and a plurality of second anti-skid plates 35 arranged at intervals are connected between adjacent reinforcing ribs, so as to further improve the structural stability of the pavement structure. Meanwhile, in order to further increase the structural stability of the present application, as shown in fig. 1, the heights of the second antiskid plates 35 are sequentially increased from the periphery of the concrete precast slab 4 to the middle of the concrete, and of course, the heights of all the second antiskid plates 35 are lower than the heights of the second reinforcing ribs 33.
As shown in fig. 1, in order to better connect the supporting block 3 and the concrete precast slab 4, the concrete precast slab is further provided with a limit bolt 5, a supporting bolt hole 34 is formed in the supporting block 3, a speed reducing bolt hole 26 is formed in the speed reducing inserting plate 22, one end of the limit bolt 5 is located in the supporting bolt hole 34, and the other end of the limit bolt is located in the speed reducing bolt hole 26. Preferably, the diameter of the deceleration pin hole 26 is larger than the diameter of the support pin hole 34.
In actual work, the construction method comprises the following steps:
s1: determining the installation position of the deceleration strip 2 on the road surface according to a design drawing, excavating a soil layer in an area on the road where the deceleration strip 2 needs to be installed to form a foundation pit, and tamping the bottom of the foundation pit;
s2: arranging a supporting block 3 at a proper position in the foundation pit, backfilling a soil layer generated in the foundation pit excavation process into the foundation pit, tamping the soil layer in the foundation pit again to form a tamped soil layer 14, and at the moment, enabling the outer wall of the supporting block 3 to be in contact with the tamped soil layer 14;
s3: placing the concrete precast slab 4 on the supporting block 3, and aligning the central line of the precast limiting hole with the central line of the supporting limiting hole;
s4: placing the speed reducing inserting plate 22 of the speed reducing belt 2 in the prefabricated limiting hole, and hammering the speed reducing platform 21 of the speed reducing belt 2 downwards by a heavy hammer to enable the lower end of the speed reducing inserting plate 22 to be inserted into the rammed soil layer 14;
s5: the speed reducing belt 2, the concrete precast slab 4 and the supporting block 3 are connected into a whole through the supporting bolt 32 and the speed reducing bolt 24, and the limiting bolt 5 is inserted into the speed reducing bolt hole 26 and the supporting bolt hole 34;
s6: and a gravel layer 13, a concrete layer 12 and an asphalt layer 11 are sequentially laid on the rammed soil layer 14 from bottom to top, so that the upper end of the speed reducing belt 2 is positioned in the asphalt layer 11, the lower end of the speed reducing belt 2 and the concrete precast slab 4 are positioned in the concrete layer 12, and the bottom of the concrete precast slab 4 is placed on the gravel layer 13.
In actual work, the concrete precast slab 4 is formed by pouring concrete, reinforcing steel bars can be placed in the concrete precast slab 4, the lengths of the concrete precast slab 4, the deceleration strip 2 and the supporting block 3 are basically the same, the height of the deceleration table 21 in the application can be 12-18 cm, the height of the deceleration inserting plate 22 at least needs to be 40cm, the depth of the deceleration inserting plate 22 inserted into the rammed soil layer 14 is not less than 10cm, the height of the concrete precast slab 4 can be 5-8 cm, and the height of the supporting block 3 can be 25-40 cm.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a rubber asphalt pavement, includes road surface body (1) and deceleration strip (2), road surface body (1) includes asphalt layer (11), concrete layer (12), metalling (13) and tamped soil layer (14) that top-down arranged in proper order, its characterized in that still includes supporting shoe (3) and concrete prefabricated plate (4), deceleration strip (2) are the T style of calligraphy on the whole, deceleration strip (2) are equipped with in the supporting shoe (3) and support spacing hole including speed reduction platform (21) and speed reduction picture peg (22), are equipped with in concrete prefabricated plate (4) and support spacing hole, speed reduction picture peg (22) one end is connected with speed reduction platform (21), and the other end passes prefabricated spacing hole in proper order and supports spacing hole and insert to tamped soil layer (14) in, and support the inner wall in spacing hole and the inner wall in prefabricated spacing hole all with the lateral wall of speed reduction picture peg (22) contradicts, concrete precast slab (4) upper end is connected with speed reduction platform (21), and concrete precast slab (4) lower extreme is connected with supporting shoe (3), deceleration strip (2) upper end is located pitch layer (11), and deceleration strip (2) lower extreme and concrete precast slab (4) all are located concrete layer (12), and concrete precast slab (4) bottom is shelved on metalling (13), and supporting shoe (3) upper end is located metalling (13), and supporting shoe (3) lower extreme is located tamped soil layer (14).
2. The rubberized asphalt pavement according to claim 1, wherein a deceleration base (23) is connected to each of both sides of the lower end of the deceleration stage (21), and a deceleration bolt (24) inserted into the concrete precast slab (4) is mounted on each deceleration base (23).
3. A rubberized asphalt pavement according to claim 2, wherein a plurality of first reinforcing ribs (25) arranged at intervals are connected between said deceleration stage (21) and said deceleration base (23), and a plurality of first anti-skid plates (27) arranged at intervals are connected between adjacent reinforcing ribs.
4. A rubberized asphalt pavement according to claim 1, 2 or 3, wherein a support base (31) is connected to both sides of the upper end of the support block (3), and a support bolt (32) inserted into the concrete precast slab (4) is installed on the support base (31).
5. The rubberized asphalt pavement according to claim 4, wherein a plurality of second reinforcing ribs (33) are connected between the supporting base (31) and the supporting block (3), and a plurality of second anti-skid plates (35) are connected between adjacent reinforcing ribs.
6. The rubber asphalt pavement according to claim 5, further comprising a limiting bolt (5), wherein a supporting bolt hole (34) is formed in the supporting block (3), a speed reducing bolt hole (26) is formed in the speed reducing inserting plate (22), one end of the limiting bolt (5) is located in the supporting bolt hole (34), and the other end of the limiting bolt is located in the speed reducing bolt hole (26).
7. Rubber asphalt pavement according to claim 6, characterized in that the diameter of the deceleration pin hole (26) is larger than the diameter of the support pin hole (34).
8. The rubberized asphalt pavement according to claim 7, wherein the asphalt layer (11) comprises a pre-wrapped particle layer (111), a rubber powder layer (112) and a matrix asphalt layer (113) arranged in this order from top to bottom.
9. A rubber asphalt pavement according to claim 8, characterized in that a deceleration bump is mounted on top of the deceleration stage (21).
10. The construction method of a rubber asphalt pavement according to any one of claims 1 to 9, characterized by comprising the steps of:
s1: determining the installation position of the deceleration strip (2) on the road surface according to a design drawing, excavating a soil layer in an area where the deceleration strip (2) needs to be installed on the road to form a foundation pit, and tamping the bottom of the foundation pit;
s2: arranging a supporting block (3) at a proper position in the foundation pit, backfilling a soil layer generated in the foundation pit excavation process into the foundation pit, tamping the soil layer in the foundation pit again to form a tamped soil layer (14), and at the moment, enabling the outer wall of the supporting block (3) to be in contact with the tamped soil layer (14);
s3: placing the concrete precast slab (4) on the supporting block (3), and aligning the central line of the precast limiting hole with the central line of the supporting limiting hole;
s4: placing a speed-reducing inserting plate (22) of the speed-reducing belt (2) in the prefabricated limiting hole, and hammering a speed-reducing table (21) of the speed-reducing belt (2) downwards by a heavy hammer to enable the lower end of the speed-reducing inserting plate (22) to be inserted into the tamped soil layer (14);
s5: the speed reducing belt (2), the concrete precast slab (4) and the supporting block (3) are connected into a whole through the supporting bolt (32) and the speed reducing bolt (24), and the limiting bolt (5) is inserted into the speed reducing bolt hole (26) and the supporting bolt hole (34);
s6: the gravel layer (13), the concrete layer (12) and the asphalt layer (11) are sequentially laid on the rammed soil layer (14) from bottom to top, the upper end of the speed bump (2) is located in the asphalt layer (11), the lower end of the speed bump (2) and the concrete precast slab (4) are located in the concrete layer (12), and the bottom of the concrete precast slab (4) is placed on the gravel layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233779.3A CN112376346B (en) | 2020-11-06 | 2020-11-06 | Rubber asphalt pavement and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233779.3A CN112376346B (en) | 2020-11-06 | 2020-11-06 | Rubber asphalt pavement and construction method thereof |
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| Publication Number | Publication Date |
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| CN112376346A true CN112376346A (en) | 2021-02-19 |
| CN112376346B CN112376346B (en) | 2022-02-22 |
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| CN202011233779.3A Active CN112376346B (en) | 2020-11-06 | 2020-11-06 | Rubber asphalt pavement and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116854406A (en) * | 2023-07-07 | 2023-10-10 | 常熟路桥工程有限公司 | Foaming warm mix asphalt mixture and preparation method thereof |
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| CN103526701A (en) * | 2013-08-02 | 2014-01-22 | 株式会社智承开发 | Road concrete deceleration strip device |
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| CN206157600U (en) * | 2016-10-29 | 2017-05-10 | 浙江省天台县天牛橡塑有限公司 | Modular deceleration strip |
| CN207003156U (en) * | 2017-03-29 | 2018-02-13 | 嘉兴市南湖花卉园艺工程有限公司 | A kind of road structure |
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| CN209779477U (en) * | 2019-02-27 | 2019-12-13 | 江苏卓坤新型环保材料有限公司 | Multifunctional deceleration strip |
| CN210597079U (en) * | 2019-08-28 | 2020-05-22 | 李旭峰 | Embedded groove type telescopic deceleration strip |
| CN211368266U (en) * | 2019-12-03 | 2020-08-28 | 苏州建交建设工程有限公司 | Municipal administration antiskid road surface |
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| CN205653712U (en) * | 2016-03-30 | 2016-10-19 | 陈孙立 | Town road decelerator |
| CN206157600U (en) * | 2016-10-29 | 2017-05-10 | 浙江省天台县天牛橡塑有限公司 | Modular deceleration strip |
| CN207003156U (en) * | 2017-03-29 | 2018-02-13 | 嘉兴市南湖花卉园艺工程有限公司 | A kind of road structure |
| CN108774962A (en) * | 2018-04-29 | 2018-11-09 | 马润秋 | A kind of road speed-reducing rubber band of impact resistance high abrasion |
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| CN208362949U (en) * | 2018-06-19 | 2019-01-11 | 四川先舟建设工程有限公司 | Town road deceleration strip |
| CN209779477U (en) * | 2019-02-27 | 2019-12-13 | 江苏卓坤新型环保材料有限公司 | Multifunctional deceleration strip |
| CN210597079U (en) * | 2019-08-28 | 2020-05-22 | 李旭峰 | Embedded groove type telescopic deceleration strip |
| CN211368266U (en) * | 2019-12-03 | 2020-08-28 | 苏州建交建设工程有限公司 | Municipal administration antiskid road surface |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116854406A (en) * | 2023-07-07 | 2023-10-10 | 常熟路桥工程有限公司 | Foaming warm mix asphalt mixture and preparation method thereof |
| CN116854406B (en) * | 2023-07-07 | 2024-03-26 | 常熟路桥工程有限公司 | Foaming warm mix asphalt mixture and preparation method thereof |
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| CN112376346B (en) | 2022-02-22 |
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