CN113605614A - Pavement intersection ramp structure and construction method thereof - Google Patents
Pavement intersection ramp structure and construction method thereof Download PDFInfo
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- CN113605614A CN113605614A CN202110910696.1A CN202110910696A CN113605614A CN 113605614 A CN113605614 A CN 113605614A CN 202110910696 A CN202110910696 A CN 202110910696A CN 113605614 A CN113605614 A CN 113605614A
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- ramp structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/002—Ramps
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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
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
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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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
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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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/488—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with rollers for consolidating or finishing combined with tamping, vibrating, pressing or smoothing consolidation or finishing means
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
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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
- E01C3/00—Foundations for pavings
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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
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention relates to the field of pedestrian road construction, in particular to a pavement intersection ramp structure and a construction method thereof. This application has the effect that improves pedestrian's ramp's wholeness stability.
Description
Technical Field
The invention relates to the field of pedestrian road construction, in particular to a pavement intersection ramp structure and a construction method thereof.
Background
With the rapid development of cities, the using function of sidewalks is not only a special passage for pedestrians to pass through, and the sidewalks are endowed with new connotations in the development of cities, and play an important role in dredging urban traffic, building urban landscapes, utilizing underground spaces and depending on urban public facilities.
At present, the sidewalk can be simply divided into the following parts according to functions: the curb edge, five parts of accessory facility function area, blind road, pedestrian passageway, the line of giving up concession, wherein, pedestrian's ramp is one kind of curb edge, and pedestrian's ramp is located the both ends of zebra crossing, can reduce the current obstacle that pavement curb brought, has made things convenient for non-motor to get into and has gone on the pavement.
The roadbed of the existing pedestrian ramp is generally a soil layer, and meanwhile, the pedestrian ramp is located at an intersection and is a necessary path for people or non-motor vehicles to come in and go out of a sidewalk.
Disclosure of Invention
In order to effectively improve the overall stability and durability of the pedestrian ramp and simultaneously improve the convenience of people and non-motor vehicles entering and exiting the ramp of the sidewalk intersection, the application provides a sidewalk intersection ramp structure and a construction method thereof.
In a first aspect, the present application provides a pavement intersection ramp structure, which adopts the following technical scheme:
the utility model provides a pavement crossing ramp structure, includes roadbed layer, cement concrete cushion, curb, pavement masonry, built-in fitting and coupling assembling, cement concrete cushion sets up on the roadbed layer, the curb sets up the both sides at roadbed layer, cement concrete cushion and built-in fitting respectively, the built-in fitting includes bottom plate and locating frame, the bottom plate sets up on cement concrete cushion, the locating frame sets up on the bottom plate, pavement masonry sets up in the locating frame, coupling assembling is connected with curb and built-in fitting respectively.
By adopting the technical scheme, the embedded parts are used for installing and fixing the brick stones of the sidewalk, and compared with the method of directly paving the brick stones of the sidewalk on the cement concrete cushion layer, the brick stones of the sidewalk are supported by the bottom plate, so that the condition that a single brick or a few brick sidewalk brick stones sink due to the fact that the roadbed layer is soft can be effectively reduced;
in addition, the positioning frame is used for limiting the sidewalk masonry, so that the stability of a plurality of sidewalk masonry on the bottom plate can be effectively improved, and the condition that the sidewalk masonry is deviated is reduced;
in addition, this application coupling assembling is used for being connected built-in fitting and curb formation, with the vertical power dispersion that receives of built-in fitting to the curb department of both sides, can further be favorable to reducing the condition that the sunken condition appears in pavement masonry, improves the planarization of ramp structure effectively.
Preferably, the top of curb has seted up the groove of stepping down, the cell wall at groove both ends of stepping down is the through setting, the groove of stepping down with coupling assembling sliding fit.
Through adopting above-mentioned technical scheme, the groove of stepping down is used for cooperating with coupling assembling sliding fit, makes the whole embedding of coupling assembling step down the inslot to through being connected of coupling assembling and built-in fitting, can be favorable to dispersing the vertical power that receives of built-in fitting to the curb department of both sides, reduce the sunken condition of pavement masonry and appear, can also strengthen the installation stability of built-in fitting effectively simultaneously.
Preferably, coupling assembling is including extending strip and location strip, extend the strip set up in the bottom plate is close to the lateral wall of curb, the location strip set up in the locating frame is close to the lateral wall of curb, extend the strip with the location strip all with the cooperation is inserted to the groove cunning of stepping down.
Through adopting above-mentioned technical scheme, extension strip and location strip are used for with the groove of stepping down cunning to insert the cooperation to through extension strip and location strip simultaneously with the cell wall counterbalance of the groove of stepping down tightly, promote the installation stability of bottom plate and locating frame effectively, in addition, can also disperse the power that bottom plate and locating frame received to curb in vertical.
Preferably, a horizontal bar and a vertical bar are arranged in the positioning frame, the length direction of the horizontal bar is consistent with the width direction of the positioning frame, the length direction of the vertical bar is consistent with the length direction of the positioning frame, two ends of the horizontal bar are respectively connected with two inner side walls opposite to the positioning frame, one end of the vertical bar is connected with the inner side wall of the positioning frame on one side close to the top of the slope of the pavement crossing ramp, and the other end of the vertical bar penetrates through the horizontal bar and is connected with the inner side wall of the side close to the bottom of the slope of the pavement crossing ramp.
Through adopting above-mentioned technical scheme, the horizontal bar can enclose into a plurality of spaces that are used for placing the pavement masonry with the inside wall of locating frame jointly with indulge the strip to support each other tightly through the inside wall in pavement masonry and these spaces and promote the stability of laying of pavement masonry effectively, the wholeness of a plurality of pavement masonry after laying of further improvement reduces the sunken condition emergence of single pavement masonry.
Preferably, the transverse bar is provided with a first diversion trench, a notch of the first diversion trench faces one side of the top of the slope of the pavement intersection ramp, the longitudinal bar is provided with a second diversion trench, the second diversion trench is arranged along the length direction of the longitudinal bar, the first diversion trench is communicated with the second diversion trench, and one end of the second diversion trench penetrates through the side wall of the positioning frame, which is close to one side of the bottom of the slope of the pavement intersection ramp.
Through adopting above-mentioned technical scheme, first guiding gutter is used for shunting to the second guiding gutter in the rainwater that flows to on the horizontal bar lateral wall, and in addition, the second guiding gutter can carry out the water conservancy diversion along the inclined plane of pavement crossing ramp with the rainwater that flows to the inslot to make the rainwater in the second guiding gutter finally flow out from the sloping bottom of pavement crossing ramp, thereby can reduce the rainwater volume that permeates to the roadbed layer effectively, be favorable to reducing the soft condition of roadbed layer appearance.
Preferably, extend the strip with the location strip all is provided with many, many extend the strip and follow the length direction interval of bottom plate sets up, many the location strip is followed the length direction interval of locating frame sets up.
Through adopting above-mentioned technical scheme, many extension strips and many location strips can disperse the vertical effort that bottom plate and locating frame received more effectively, can also further improve the installation stability of bottom plate and locating frame simultaneously to reduce the sunken condition of pavement masonry better, be favorable to improving the current convenience of pavement ramp.
Preferably, the positioning frame is provided with third guiding grooves, the third guiding grooves are located on two inner side walls in the length direction of the positioning frame, and two ends of the first guiding groove are respectively communicated with the two third guiding grooves.
By adopting the technical scheme, the third diversion trench is used for shunting rainwater in the first diversion trench, so that the drainage efficiency of the pavement ramp is improved, and the rainwater amount permeating into the roadbed layer is further reduced.
Preferably, a strip-shaped hole is formed in the positioning strip, two ends of the strip-shaped hole penetrate through two ends of the positioning strip respectively, and one end of the strip-shaped hole, which is close to the positioning frame, is communicated with the third diversion trench.
Through adopting above-mentioned technical scheme, the bar hole can be shunted the rainwater that flows into in the third guiding gutter, further increases the drainage efficiency of third guiding gutter.
Preferably, a vertical road tooth is arranged on one side, close to the slope bottom of the ramp of the pavement intersection, of the cement concrete cushion layer, a plurality of drainage holes are formed in the vertical road tooth, two ends of the plurality of drainage holes are arranged in a penetrating mode, and the positions of the drainage holes correspond to the positions of the second diversion groove and the third diversion groove respectively.
Through adopting above-mentioned technical scheme, the standing road tooth is used for intercepting the ponding of road, can also make things convenient for the current of non-motor vehicle simultaneously, and in addition, the drainage hole is used for discharging the rainwater in second guiding gutter and the third guiding gutter to can further reduce the rainwater volume of permeating into road bed, promote the holistic life of pavement ramp structure effectively.
In a second aspect, the present application provides a construction method for a ramp structure at a sidewalk intersection, which adopts the following technical scheme:
forming a road base layer;
paving a cement concrete cushion layer on the roadbed layer;
installing kerbs on two sides of the roadbed layer and the cement concrete cushion layer;
laying the embedded part on the cement concrete cushion layer;
paving sidewalk masonry in a positioning frame of the embedded part;
and connecting the connecting assembly on the curb and the positioning frame to complete the installation of the ramp structure of the pedestrian crossing.
By adopting the technical scheme, the drainage performance of the pavement ramp can be better improved, so that the overall stability of the pavement ramp is enhanced, and people and non-motor vehicles can conveniently pass through the pavement ramp.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the embedded parts are arranged and can be used for installing and fixing sidewalk bricks, compared with the method that the sidewalk bricks are directly laid on a cement concrete cushion layer, the embedded parts are used for supporting the sidewalk bricks through the bottom plate, the phenomenon that a single brick or a few bricks sink due to the fact that a roadbed is soft can be effectively reduced, in addition, the positioning frame is used for limiting the sidewalk bricks, the stability of the sidewalk bricks on the bottom plate can be effectively improved, and the phenomenon that the sidewalk bricks deviate is reduced;
2. the arrangement of the receding groove can be used for being in sliding fit with the connecting assembly, so that the connecting assembly is integrally embedded into the receding groove, and the connecting assembly is connected with the embedded part, so that the longitudinal force of the embedded part can be favorably dispersed to the kerbs on two sides, the condition that the sidewalk masonry sinks is reduced, and meanwhile, the installation stability of the embedded part can be effectively enhanced;
3. through setting up first guiding gutter and second guiding gutter, can be when raining, the rainwater permeates to first guiding gutter and second guiding gutter from the gap between the pavement masonry, then the rainwater in the first guiding gutter can shunt to the second guiding gutter, flows out from the one end that the second guiding gutter is close to the pavement slope end at last again to can reduce the rainwater volume of permeating to the roadbed layer effectively, be favorable to reducing the soft condition of roadbed layer appearance.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pavement intersection ramp according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a portion of the structure of a pavement intersection ramp of an embodiment of the present application;
FIG. 3 is an exploded view of an embedment structure of an embodiment of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is an exploded schematic view of a portion of the structure of a pavement intersection ramp of an embodiment of the present application;
fig. 6 is an enlarged view of a portion B in fig. 5.
Description of reference numerals:
1. a roadbed layer; 2. a cement concrete cushion; 3. a curb; 30. a yielding groove; 4. sidewalk masonry; 5. embedding parts; 50. a base plate; 500. reinforcing steel bars; 51. a positioning frame; 510. a horizontal bar; 5100. a first diversion trench; 511. longitudinal strips; 5110. a second guiding gutter; 512. a third guiding gutter; 513. an accommodation hole; 6. a connecting assembly; 60. an extension bar; 61. a positioning bar; 610. a strip-shaped hole; 7. erecting road teeth; 70. and (4) drainage holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses pavement crossing ramp structure, and with reference to fig. 1 and 2, the pavement crossing ramp structure comprises a roadbed layer 1 and a cement concrete cushion layer 2. The upper surface of the roadbed layer 1 is an inclined surface, the gradient ratio is 1:20, and meanwhile, the cement concrete cushion layer 2 is laid on the inclined surface of the roadbed layer 1.
In addition, the kerbstones 3 are symmetrically arranged on two sides of the roadbed layer 1 and the cement concrete cushion layer 2, and meanwhile, the embedded parts 5 are arranged on the upper surface of the cement concrete cushion layer 2, wherein the upper surfaces of the embedded parts 5 are flush with the upper surfaces of the kerbstones 3.
In addition, referring to fig. 1, a plurality of sidewalk masonry 4 is laid on the embedded part 5, and meanwhile, the connection assemblies 6 are arranged on both sides of the embedded part 5, and the embedded part 5 is respectively connected with the kerbs 3 on both sides through the connection assemblies 6 on both sides.
Referring to fig. 1 and 3, in the present embodiment, the embedment 5 includes a base plate 50 and a positioning frame 51, wherein the base plate 50 is integrally mounted on the upper surface of the cement concrete mat 2, and the positioning frame 51 is mounted on the upper surface of the base plate 50.
In addition, referring to fig. 3, a plurality of horizontal bars 510 and a plurality of vertical bars 511 are installed in the positioning frame 51, the length direction of the plurality of horizontal bars 510 is consistent with the width direction of the positioning frame 51, meanwhile, the plurality of horizontal bars 510 are uniformly arranged at equal intervals along the extending direction of the bottom plate 50, and two ends of each horizontal bar 510 are respectively abutted against two inner side walls of the positioning frame 51 that are close to each other.
In addition, the length direction of each longitudinal strip 511 is consistent with the length direction of the positioning frame 51, and the longitudinal strips 511 are uniformly arranged at equal intervals along the width direction of the bottom plate 50, wherein one end of each longitudinal strip 511 close to the slope top of the ramp of the sidewalk intersection is abutted to the inner side wall of the positioning frame 51, meanwhile, one end of each longitudinal strip 511 close to the slope bottom of the ramp of the sidewalk intersection sequentially penetrates through the transverse strips 510 at different heights, and one end of each longitudinal strip 511 close to the slope bottom of the ramp of the sidewalk intersection is abutted to the inner side wall of one side of the positioning frame 51 close to the slope bottom of the ramp of the sidewalk intersection.
Referring to fig. 1 and 3, a plurality of transverse bars 510 and a plurality of longitudinal bars 511 in the positioning frame 51 are criss-crossed to form a plurality of accommodating holes 513 for accommodating the sidewalk masonry 4, and the side walls of each sidewalk masonry 4 accommodated in the accommodating holes 513 are abutted against the hole walls of the accommodating holes 513.
When the sidewalk masonry 4 is installed, workers can select the same number of sidewalk masonry 4 to install according to the number of the accommodating holes 513 in the positioning frame 51, and the positions of the sidewalk masonry 4 are abutted and limited through the hole walls of the accommodating holes 513, so that the installation integrity of the sidewalk masonry 4 is effectively improved, and the overall bearing performance of the sidewalk intersection ramp is enhanced.
Referring to fig. 3 and 4, in order to effectively improve the overall installation stability of the embedded part 5, a plurality of yielding grooves 30 are formed in the upper surfaces of the kerbs 3 on both sides of the roadbed layer 1, wherein the groove walls at both ends of the yielding grooves 30 are formed in a penetrating manner, and the plurality of yielding grooves 30 on each kerb 3 correspond to the positions of the cross bars 510 at different heights.
In addition, in this embodiment, the connection assembly 6 includes the extension bars 60, the extension bars 60 are provided with eight, and the eight extension bars 60 are equally divided into two groups, two groups of extension bars 60 are symmetrically installed on two sides of the length direction of the bottom plate 50, and the positions of the four extension bars 60 in each group respectively correspond to the positions of the four cross bars 510 in the positioning frame 51, and meanwhile, the four extension bars 60 in each group respectively slide and are in insertion fit with the abdicating grooves 30 on the curbstones 3 at corresponding positions.
In addition, referring to fig. 3 and 4, in order to further improve the bearing performance of the bottom plate 50, four steel bars 500 are disposed in the bottom plate 50, the four steel bars 500 are uniformly arranged at equal intervals along the length direction of the bottom plate 50, and two ends of each steel bar 500 respectively penetrate through two extending bars 60 at the same height on two sides of the bottom plate 50.
Referring to fig. 2 and 3, in order to effectively improve the installation stability of the positioning frame 51, four positioning bars 61 are installed on both sides of the positioning frame 51 in the length direction, meanwhile, the positions of the four positioning bars 61 on each side correspond to the positions of the extending bars 60, and the four positioning bars 61 on each side are slidably engaged with the corresponding position of the receding groove 30.
During installation, a worker firstly inserts the extending strips 60 on two sides of the bottom plate 50 into the abdicating grooves 30 at corresponding positions of the curb stones 3 on two sides in a sliding manner, and simultaneously installs the bottom plate 50 on the upper surface of the cement concrete cushion layer 2, then inserts the positioning strips 61 on two sides of the positioning frame 51 into the abdicating grooves 30 at corresponding positions of the curb stones 3 on two sides in a sliding manner, and finally installs a plurality of sidewalk masonry 4 into the accommodating holes 513 at corresponding positions in the positioning frame 51, so as to achieve the purpose of improving the overall stability of the sidewalk intersection ramp.
Referring to fig. 5 and 6, in order to effectively reduce moisture permeation into the roadbed 1, a first diversion trench 5100 is formed in a side wall of each of the crossbars 510, the side wall being away from the slope bottom of the ramp at the sidewalk intersection, and an extending direction of the first diversion trench 5100 is consistent with a length direction of the crossbars 510.
Meanwhile, referring to fig. 3 and 6, second guiding grooves 5110 are formed in two sides of each longitudinal strip 511, the extending direction of each second guiding groove 5110 is consistent with the length direction of the longitudinal strip 511, one end of each second guiding groove 5110, which is close to the slope bottom of the ramp at the sidewalk intersection, penetrates through the side wall of one side of the positioning frame 51, which is close to the slope bottom of the ramp at the sidewalk intersection, and meanwhile, the first guiding groove 5100 is communicated with the second guiding grooves 5110.
In addition, third guiding gutters 512 are respectively arranged on two inner side walls in the length direction of the positioning frame 51, wherein the extending direction of each third guiding gutter 512 is consistent with the length direction of the positioning frame 51, each third guiding gutter 512 penetrates through one side wall of the positioning frame 51 close to the slope bottom of the ramp at the intersection of the sidewalk, and meanwhile, two ends of each first guiding gutter 5100 are respectively communicated with the two third guiding gutters 512 on the positioning frame 51.
In rainy days, rainwater firstly permeates into the accommodating holes 513, then gradually flows into the second diversion groove 5110 in each accommodating hole 513, flows along the extending direction of the second diversion groove 5110, is discharged from one end close to the slope bottom of the ramp at the pavement intersection, and the rainwater flowing into the first diversion groove 5100 is shunted to the second diversion groove 5110 and the third diversion groove 512 and is finally discharged from one end close to the slope bottom of the ramp at the pavement intersection, so that the rainwater amount permeating into the road base layer 1 is effectively reduced, and the bearing performance of the ramp at the pavement intersection is improved.
Referring to fig. 4 and 6, in order to further improve the drainage effect of the third guiding gutter 512, a strip-shaped hole 610 is formed in each positioning strip 61, both ends of the strip-shaped hole 610 are arranged in a penetrating manner, and one end of each strip-shaped hole 610 close to the positioning frame 51 is communicated with the third guiding gutter 512.
When raining, a part of rainwater flowing out of the two ends of the first diversion trench 5100 to the third diversion trench 512 can be discharged from the plurality of strip-shaped holes 610, and the other part of rainwater is discharged from one end of the third diversion trench 512 close to the slope bottom of the ramp at the pavement intersection, so that the drainage efficiency of the ramp at the pavement intersection is effectively improved, and the situation that the water enters the roadbed 1 is further reduced.
Referring to fig. 1, a vertical road tooth 7 is arranged on one side of the cement concrete cushion layer 2 close to the slope bottom of the slope of the sidewalk intersection, wherein the vertical road tooth 7 is arranged along the width direction of the cement concrete cushion layer 2, and the upper surface of each vertical road tooth 7 is flush with the upper surface of one side of the positioning frame 51 close to the slope bottom of the slope of the sidewalk intersection.
In addition, in order to facilitate the drainage of the rainwater in the second diversion groove 5110 and the third diversion groove 512 from the side of the positioning frame 51 close to the slope bottom of the ramp of the sidewalk intersection, a plurality of drainage holes 70 are formed in the vertical teeth 7 in a penetrating manner, and each second diversion groove 5110 and each third diversion groove 512 are communicated with the drainage hole 70 at the corresponding position of the vertical tooth 7, so that the rainwater guided to one end of the second diversion groove 5110 and one end of the third diversion groove 512 close to the slope bottom of the ramp of the sidewalk intersection can be finally drained from the drainage hole 70.
The embodiment of the application also discloses a construction method of the ramp structure at the pavement intersection, which comprises the following steps:
cleaning sundries on the upper surface of the roadbed 1, laying the upper surface of the roadbed 1 into an inclined plane with the gradient ratio of 1:20, and tamping and leveling the inclined plane of the roadbed 1;
paving a cement concrete cushion layer 2 on the upper surface of the roadbed layer 1 and tamping and leveling;
installing kerbs 3 on two sides of the roadbed 1 and the cement concrete cushion 2 respectively;
aligning the extension strips 60 at the two sides of the bottom plate 50 with the abdicating grooves 30 at the corresponding positions, then respectively inserting the extension strips 60 at the two sides of the bottom plate 50 into the abdicating grooves 30 at the corresponding positions of the curb stones 3 at the two sides in a sliding manner, and simultaneously fixing the bottom plate 50 on the upper surface of the cement concrete cushion layer 2;
respectively inserting the positioning strips 61 at two sides of the positioning frame 51 into the abdicating grooves 30 at corresponding positions of the curb stones 3 at two sides in a sliding manner, and simultaneously mounting the positioning frame 51 on the upper surface of the bottom plate 50 integrally;
finally, a plurality of sidewalk masonry 4 are respectively installed in the accommodating holes 513 at corresponding positions on the positioning frame 51, and the installation of the ramp structure of the sidewalk intersection is completed.
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 (10)
1. A pavement crossing ramp structure which characterized in that: including roadbed layer (1), cement concrete cushion (2), curb (3), pavement masonry (4), built-in fitting (5) and coupling assembling (6), cement concrete cushion (2) set up on roadbed layer (1), curb (3) set up respectively in the both sides of roadbed layer (1), cement concrete cushion (2) and built-in fitting (5), built-in fitting (5) include bottom plate (50) and locating frame (51), bottom plate (50) set up on cement concrete cushion (2), locating frame (51) set up on bottom plate (50), pavement masonry (4) set up in locating frame (51), coupling assembling (6) are connected with curb (3) and built-in fitting (5) respectively.
2. A pavement intersection ramp structure according to claim 1, wherein: the top of curb (3) has been seted up and has been stepped down groove (30), the cell wall at groove (30) both ends of stepping down is the through setting, step down groove (30) with coupling assembling (6) sliding fit.
3. A pavement intersection ramp structure according to claim 2, wherein: coupling assembling (6) are including extending strip (60) and location strip (61), extend strip (60) set up in bottom plate (50) are close to the lateral wall of curb (3), location strip (61) set up in locating frame (51) are close to the lateral wall of curb (3), extend strip (60) with location strip (61) all with the cooperation of stepping down groove (30) cunning.
4. A pavement intersection ramp structure according to claim 1, wherein: be provided with horizontal bar (510) and indulge strip (511) in locating frame (51), the length direction of horizontal bar (510) with the width direction of locating frame (51) is unanimous, the length direction of indulging strip (511) with the length direction of locating frame (51) is unanimous, the both ends of horizontal bar (510) respectively with the two inside walls that locating frame (51) are relative are connected, indulge the one end of strip (511) with the inside wall that locating frame (51) are close to the top of a slope one side of pavement ramp is connected, the other end runs through horizontal bar (510) and with be close to the inside wall of the bottom of a slope one side of pavement ramp and be connected.
5. A pavement intersection ramp structure according to claim 4, wherein: the transverse strip (510) is provided with a first diversion trench (5100), the notch of the first diversion trench (5100) faces one side of the top of the slope of the pavement crossing slope, the longitudinal strip (511) is provided with a second diversion trench (5110), the second diversion trench (5110) is arranged along the length direction of the longitudinal strip (511), the first diversion trench (5100) is communicated with the second diversion trench (5110), and one end of the second diversion trench (5110) penetrates through the side wall of the positioning frame (51) close to one side of the bottom of the slope of the pavement crossing slope.
6. A pavement intersection ramp structure according to claim 5, wherein: extend strip (60) with location strip (61) all is provided with many, many extend strip (60) are followed the length direction interval of bottom plate (50) sets up, many location strip (61) are followed the length direction interval of locating frame (51) sets up.
7. A pavement intersection ramp structure according to claim 5, wherein: the positioning frame (51) is provided with third guide grooves (512), the third guide grooves (512) are located on two inner side walls in the length direction of the positioning frame (51), and two ends of the first guide groove (5100) are respectively communicated with the two third guide grooves (512).
8. A pavement intersection ramp structure according to claim 7, wherein: set up bar hole (610) in location strip (61), the both ends in bar hole (610) run through respectively the both ends of location strip (61), bar hole (610) are close to the one end of locating frame (51) with third guiding gutter (512) are linked together.
9. A pavement intersection ramp structure according to claim 8, wherein: one side, close to the slope bottom of the pavement crossing ramp, of the cement concrete cushion layer (2) is provided with a vertical road tooth (7), a plurality of drainage holes (70) are formed in the vertical road tooth (7), the two ends of the drainage holes (70) are all arranged in a penetrating mode, and the positions of the drainage holes (70) correspond to the positions of the second diversion trench (5110) and the third diversion trench (512) respectively.
10. A method of constructing a pavement intersection ramp structure for installing a pavement intersection ramp structure according to any of claims 1 to 9, comprising: the method comprises the following steps:
forming a road bed layer (1);
paving a cement concrete cushion layer (2) on the roadbed layer (1);
installing kerbs (3) on two sides of the roadbed layer (1) and the cement concrete cushion layer (2);
laying an embedded part (5) on the cement concrete cushion (2);
paving sidewalk masonry (4) in a positioning frame (51) of the embedded part (5);
and connecting the connecting assembly (6) to the curb (3) and the positioning frame (51) to complete the installation of the ramp structure of the pedestrian crossing.
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