CN111254778A - Embedding structure and method for preventing cracking of luminous mark of concrete pavement - Google Patents
Embedding structure and method for preventing cracking of luminous mark of concrete pavement Download PDFInfo
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- CN111254778A CN111254778A CN202010145952.8A CN202010145952A CN111254778A CN 111254778 A CN111254778 A CN 111254778A CN 202010145952 A CN202010145952 A CN 202010145952A CN 111254778 A CN111254778 A CN 111254778A
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- angle steel
- equilateral angle
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- shaped groove
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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
- E01C17/00—Pavement lights, i.e. translucent constructions forming part of the surface
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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
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/04—Devices for laying inserting or positioning reinforcing elements or dowel bars with or without joint bodies; Removable supports for reinforcing or load transfer elements; Devices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed 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
- E01C5/00—Pavings made of prefabricated single units
- E01C5/003—Pavings made of prefabricated single units characterised by material or composition used for beds or joints; characterised by the way of laying
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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
- E01F9/576—Traffic lines
- E01F9/582—Traffic lines illuminated
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an embedding structure and a method for preventing cracking of a light-emitting mark on a concrete pavement, wherein a step-shaped groove is embedded in the pavement, the light-emitting mark is uniformly arranged on the upper surface of a precast concrete component, a PVC sleeve is arranged in a hole on one side of a shaping plate type component, a steel bar is arranged in a hole on the other side of the shaping plate type component, a drainage groove is arranged in the middle of the upper surface of the precast concrete component, strip-shaped grooves are arranged above a seam at equal intervals, drill holes are arranged at two ends of each strip-shaped groove, the middle of each water-shaped rib is matched with the strip-shaped groove, two ends of each water-shaped rib are arranged in the drill holes, second equilateral angle steel is arranged on the upper surface of the precast concrete component, the second equilateral angle steel is symmetrically distributed along the drainage groove, the first equilateral angle steel is vertically. The invention can improve the anti-reflection crack performance of the concrete surface layer at the position where the luminous mark is embedded, and reduce the width and the expansion of the crack of the concrete surface.
Description
Technical Field
The invention relates to the technical field of traffic facilities, in particular to an embedding structure and a method for preventing cracking of a light-emitting mark on a concrete pavement.
Background
Compared with asphalt concrete pavements, the cement concrete pavements have excellent anti-deformation capability and water stability, and a large amount of cement concrete pavements are built in cities at the end of the last century. The luminous identification is buried at the zebra crossing position of the urban road intersection, so that a 'low head group' can be effectively warned, and the traffic accident rate of the intersection is reduced. The existing pavement marking pavement embedding method is that a groove with a certain size is dug in the existing pavement, then a cast iron box at the bottom of a light-emitting device is positioned on a straight line through 2 parallel channel steels at the bottom, then, concrete is poured in layers, compacted, molded and maintained, and finally, light-emitting face bricks are laid in the cast iron box and fixed. However, due to the characteristics of the cement concrete pavement structure, after the cement concrete pavement structure is used for a period of time, the pavement at the concrete groove position where the luminous mark is embedded is easy to form a reflection crack and extends to penetrate through the pavement surface layer to cause diseases such as cracking, pot holes, broken plates and the like, and the smoothness and the service life of the concrete pavement are seriously influenced.
In rainy seasons, rainwater on the road surface leaks into joints between the concrete grooves and the existing concrete slabs on the road surface, when a vehicle passes through the road surface, large dynamic impact load can be generated, water leakage existing in cracks instantly generates extremely strong water pressure to splash out and carry broken stone particles out of the cracks, so that gaps are generated between the concrete surface layer and the base layer, and void formation is realized and reflection cracks of the concrete surface are induced. The shrinkage and expansion of the cement board are caused by seasonal temperature changes, the deformation of the cement board is caused by day and night temperature and humidity changes, and stress concentration is generated at the contact position of the groove for embedding the luminous mark and the original cement concrete pavement board, so that horizontal displacement caused by environmental temperature and humidity changes is another important factor for inducing reflection cracks of the bottom of the concrete layer. The road surface embedding position of the luminous mark is special and is generally positioned at the intersection of urban roads. The braking force generated by the frequent starting and stopping of the vehicle can generate larger additional stress at the joint, and the expansion of the reflection crack at the concrete groove in which the luminous mark is embedded and the degradation degree of the concrete pavement are accelerated. In addition, once damage occurs, traffic maintenance is closed, further exacerbating urban traffic congestion. In consideration of the current situation of easy traffic jam at urban intersections and improvement of service performance of the road surface, a certain treatment method is adopted to enhance the anti-reflection crack performance of the road surface at the luminous mark and meet the requirement of rapid construction.
Disclosure of Invention
The invention aims to provide an embedding structure and a method for preventing cracking of a luminous mark of a concrete pavement, which effectively relieve the problems of cracking, pit and groove, loose aggregate, falling off and the like caused by reflection cracks of the concrete pavement at the luminous mark of an urban intersection so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a buried structure for preventing cracking of a luminous mark on a concrete pavement comprises a pedestrian zebra crossing, a step-shaped groove, a luminous mark, a shaping plate type member, a hole, a PVC sleeve, a reinforcing steel bar, a drainage groove, a buckle, a plastic pipeline, a first bolt, a first equilateral angle steel, a steel plate, a prefabricated concrete member, a horseshoe tendon, a welding line, an asphalt layer, a pavement, a strip-shaped groove, a second equilateral angle steel, a second bolt, a seam and a drill hole, wherein the step-shaped groove is embedded in the pavement, the step-shaped groove is arranged in front of the pedestrian zebra crossing, the luminous mark is uniformly arranged on the upper surface of the prefabricated concrete member, the prefabricated concrete member is arranged in the step-shaped groove and is matched with the step-shaped groove, the left side and the right side of the shaping plate type member are provided with the hole, the PVC sleeve is arranged in the hole on one side of the reinforcing, the middle part of the upper surface of the precast concrete component is provided with a drainage groove, the plastic pipeline is fixed at the central line of the lateral wall of the drainage groove through a buckle, a seam is arranged between the precast concrete component and the road surface, the strip-shaped groove is equidistantly arranged above the seam, two ends of the strip-shaped groove are provided with drill holes, the middle part of the horseshoe tendon is matched with the strip-shaped groove, two ends of the horseshoe tendon are arranged in the drill holes, the second equilateral angle steel is arranged on the upper surface of the precast concrete component through a second bolt, the second equilateral angle steel is symmetrically distributed along the drainage groove, the first equilateral angle steel is vertically arranged on two sides of the second equilateral angle steel through the first bolt, a welding seam is arranged between the second equilateral angle steel, the second equilateral angle steel is welded with a steel plate, and the luminous mark is arranged between the first equilateral angle steel and the second equilateral angle steel, the asphalt layer is arranged above the road surface.
Preferably, lanes are arranged on the pedestrian zebra crossing, and the number of the lanes is N groups.
Preferably, the step-shaped groove is arranged at the front end of the pedestrian zebra crossing at a position of 400-600 mm, the total length of the step-shaped groove is N x (3-3.75 m), the total width of the step-shaped groove is 1300-1800 mm, and the total depth of the step-shaped groove is 700-900 m.
Preferably, the shaping plate type member is of a T-shaped structure, the total height of the shaping plate type member is 600-800 mm, and the total width of the shaping plate type member is 900-1200 mm.
Preferably, the diameter of each hole is 10-20 mm, the distance between every two holes is 200mm, the length of each PVC sleeve is 20-30 cm, the length of each reinforcing steel bar inside each hole is 20-30 cm, and the length of each reinforcing steel bar outside each hole is 20-30 cm.
Preferably, the gradient of the drainage channel is 1-3%.
Preferably, the width of the strip-shaped groove is 1.5-2 times of the width of the horseshoe tendon, the length of the strip-shaped groove is 300-400 mm, the height of the horseshoe tendon is 100-150 mm, and the depth of the drilled hole is 110-160 mm.
Preferably, the interval between two liang of second equilateral angle steel equals the width of luminous sign, the interval between two liang of luminous sign is 350 ~ 400mm, first equilateral angle steel is 50 ~ 63mm with the width of second equilateral angle steel, the thickness of first equilateral angle steel and second equilateral angle steel is 4 ~ 6mm, the length of side of first equilateral angle steel is the width +200mm of water drainage tank.
Preferably, the length of steel sheet is 350 ~ 400mm, the width of steel sheet is strip groove's width +200mm, the diameter of first bolt and second bolt is 6 ~ 10mm, the edge of first bolt with the distance on the long limit of first equilateral angle steel is 30 ~ 50 mm.
An embedding method for preventing cracking of a light-emitting mark on a concrete pavement is characterized by comprising the following steps:
step 1: excavating the road surface into a step-shaped groove, wherein the position of the step-shaped groove is selected in front of a pedestrian zebra crossing;
step 2: prefabricating the wood template into a shaping plate type component, wherein the thickness of a jointed board of the selected wood template is 25-35 mm, and holes are formed in the left and right of the shaping plate type component;
and step 3: inserting a PVC sleeve into a reserved hole on the left side of the shaping plate type member, and inserting a steel bar into the right side of the shaping plate type member;
and 4, step 4: pouring a shaping plate type member, prefabricating a concrete member, selecting concrete with the grade of C20 or above, and dismantling a wood template and a PVC sleeve when the strength reaches 50% of the designed concrete value;
and 5: fixing a plastic pipeline for wiring by using a buckle at the central line of the side wall of the drainage groove, and guiding water into the original culvert of the road by using the drainage groove;
step 6: after the bottom of the step-shaped groove is rolled, leveled and compacted, the reserved steel bars of the precast concrete member and the holes of the PVC sleeve are spliced with each other and placed in the step-shaped groove;
and 7: cutting equidistant strip-shaped grooves at the joints of the precast concrete members and the road surface in a crossing manner, and punching the end parts of the strip-shaped grooves to form drilled holes;
and 8: cleaning the strip-shaped groove and the drilled hole, manufacturing the hot-rolled ribbed steel bar into a horseshoe shape according to the length of the strip-shaped groove and the depth of the drilled hole, implanting horseshoe tendons along the direction of the strip-shaped groove, inserting bent parts at two ends of the horseshoe tendons into the cleaned drilled hole, and pouring the strip-shaped groove, the drilled hole and the joint of the shaping plate type component and the road surface by using mortar;
and step 9: fixing a first equilateral angle steel on the upper surface of the precast concrete member by using a first bolt, fixing a second equilateral angle steel by using a second bolt, wherein the second equilateral angle steel is symmetrically arranged along the drainage groove, and welding seam welding steel plates are arranged in the first equilateral angle steel and the second equilateral angle steel with opposite limb backs;
step 10: placing the light-emitting floor tiles in the first equilateral angle steel and the second equilateral angle steel, and arranging the light-emitting floor tiles on a straight line;
step 11: and paving an asphalt layer, wherein the asphalt layer needs to be smooth and compact after being paved.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can improve the anti-reflection crack performance of the concrete surface layer at the position where the luminous mark is embedded, and reduce the width and the expansion of the crack of the concrete surface (the crack width can be reduced to 0.3 mm).
(2) The concrete structure of the invention has more applications, is convenient for construction, maintenance and repair, can reduce the construction cost, and can reduce the cost by 40 to 50 percent compared with the existing structure.
(3) The construction method is simple, saves concrete pouring on site, shortens the construction period by curing time, is 30-40% of the conventional construction period, and is convenient for construction at road intersections and places with large traffic flow.
(4) The mounting road section is special, the traffic flow is large, the channeling is obvious, the vehicle brake and start are easy to damage the embedded luminous road surface identification section, and the steel structural member in the embedded assembly structure in the scheme can reduce the damage of the horizontal braking force of the vehicle to the road surface.
(5) The embedded inserted steel bars in the precast concrete members effectively improve the integrity and the working cooperativity among the assembled members.
(6) The precast concrete member in the invention does not need the maintenance period (14 days) of pouring cement concrete on site, and the construction period and the maintenance period are shortened.
(7) The drainage channel arranged in the precast concrete member effectively drains rainwater permeating into the luminous identification device in rainy season, avoids the void of the base layer of the plate bottom, and improves the service life of the pavement by 1.2-1.5 times.
(8) The horseshoe tendon effectively improves the uneven settlement of the concrete tank pavement and the existing cement concrete pavement.
Drawings
FIG. 1 is a first cross-sectional view of a concrete pavement light-emitting sign embedded therein;
FIG. 2 is a second cross-sectional view of the concrete pavement embedded with the luminous mark;
FIG. 3 is a plan view of the concrete pavement light-emitting mark buried;
FIG. 4 is an isometric view of a pattern member of the sizing plate;
FIG. 5 is a left side view of the sizing plate pattern member;
FIG. 6 is a view showing a structure of a precast concrete unit;
FIG. 7 is a sectional view of a precast concrete member;
FIG. 8 is an isometric view of the prefabricated components and the light-emitting floor tile;
FIG. 9 is a diagram of a stripe-shaped groove arrangement;
FIG. 10 is a diagram of the arrangement of PVC sleeves and reinforcing bars;
FIG. 11 is a view of a weld joint structure;
FIG. 12 is a drawing of a steel plate.
In the figure: 1-pedestrian zebra crossing; 2-step-shaped grooves; 3-luminous identification; 4-shaping plate type members; 5-holes; 6-PVC sleeve; 7-reinforcing steel bars; 8-a drainage groove; 9-buckling; 10-plastic pipes; 11-a first bolt; 12-second equilateral angle steel; 13-steel plate; 14-precast concrete members; 15-the tendon of water chestnut; 16-a weld; 17-asphalt; 18-road surface; 19-a strip-shaped groove; 20-second equilateral angle steel; 21-a second bolt; 22-a seam; 23-drilling.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 12, the present invention provides a technical solution: a buried structure for preventing cracking of a luminous mark on a concrete pavement comprises a pedestrian zebra crossing 1, step-shaped grooves 2, a luminous mark 3, a shaping plate type member 4, holes 5, a PVC sleeve 6, a steel bar 7, a drainage groove 8, buckles 9, plastic pipelines 10, first bolts 11, first equilateral angle steel 12, a steel plate 13, a precast concrete member 14, horseshoe ribs 15, a welding seam 16, an asphalt layer 17, a pavement 18, strip grooves 19, second equilateral angle steel 20, second bolts 21, a seam 22 and a drilling hole 23, wherein the step-shaped grooves 2 are embedded in the pavement 18, the step-shaped grooves 2 are arranged in front of the pedestrian zebra crossing 1, lanes are arranged on the pedestrian zebra crossing 1, the number of the lanes is N, the step-shaped grooves 2 are arranged at the position 400-600 mm from the front end of the pedestrian zebra crossing 1, the total length of the step-shaped grooves 2 is N3-3.75 m, and the total width of the step-shaped grooves 2 is 1300-1800 mm, the total depth of the step-shaped groove 2 is 700-900 m, the luminous marks 3 are uniformly arranged on the upper surface of the precast concrete member 14, the precast concrete member 14 is arranged in the step-shaped groove 2, the precast concrete member 14 is matched with the step-shaped groove 2, the shaping plate type member 4 is of a T-shaped structure, the total height of the shaping plate type member 4 is 600-800 mm, the total width of the shaping plate type member 4 is 900-1200 mm, holes 5 are formed in the left side and the right side of the shaping plate type member 4, the diameter of each hole 5 is 10-20 mm, the distance between every two holes 5 is 200mm, the length of each PVC sleeve 6 is 20-30 cm, each hole 5 on one side is internally provided with a PVC sleeve 6, a hole 5 on the other side is internally provided with a reinforcing steel bar 7, the length of each reinforcing steel bar 7 in the hole 5 is 20-30 cm, the length of each reinforcing steel bar 7 outside the hole 5 is 20-30 cm, and the embedded inserted reinforcing steel bars 7 in the shaping plate type, the middle part of the upper surface of the precast concrete member 14 is provided with a drainage channel 8, the gradient of the drainage channel 8 is 1-3%, a plastic pipeline 10 is fixed at the central line of the side wall of the drainage channel 8 through a buckle 9, the drainage channel 8 arranged in the setting plate type member 4 effectively removes rainwater seeped into the luminous identification device in rainy seasons, the base layer of the plate bottom is prevented from being hollow, the service life of the pavement is improved by 1.2-1.5 times, a seam 22 is arranged between the setting plate type member 4 and the pavement 18, strip-shaped grooves 19 are arranged above the seam 22 at equal intervals, two ends of the strip-shaped grooves 19 are provided with drill holes 23, the middle part of the horseshoe rib 15 is matched with the strip-shaped grooves 19, two ends of the horseshoe rib 15 are arranged in the drill holes 23, the horseshoe rib 15 effectively improves the uneven settlement of the concrete channel pavement and the existing cement concrete pavement, the width of the strip-shaped grooves 19 is 1.5-2 times of the width of the horse, the height of the U-shaped bar 15 is 100-150 mm, the depth of the drilling hole 23 is 110-160 mm, the second equilateral angle steel 20 is arranged on the upper surface of the precast concrete member 14 through a second bolt 21, the second equilateral angle steel 20 is symmetrically distributed along the drainage channel 8, the first equilateral angle steel 12 is vertically arranged on two sides of the second equilateral angle steel 20 through a first bolt 11, a welding seam 16 is arranged between the second equilateral angle steel 20, the second equilateral angle steel 20 is connected with the steel plate 13 through the welding seam 16 in a welding way, the distance between every two second equilateral angle steel 20 is equal to the width of the luminous mark 3, the distance between every two luminous marks 3 is 350-400 mm, the side widths of the first equilateral angle steel 12 and the second equilateral angle steel 20 are 50-63 mm, the side thicknesses of the first equilateral angle steel 12 and the second equilateral angle steel 20 are 4-6 mm, the side length of the first equilateral angle steel 12 is equal to the width +200mm of the drainage channel 8, and the length of the steel plate 13 is, the width of the steel plate 13 is +200mm of the width of the strip-shaped groove 19, the diameters of the first bolt 11 and the second bolt 21 are both 6-10 mm, the distance between the edge of the first bolt 11 and the long edge of the first equilateral angle steel 12 is 30-50 mm, the luminous mark 3 is arranged between the first equilateral angle steel 12 and the second equilateral angle steel 20, and the asphalt layer 17 is arranged above the pavement 18.
Application method
An embedding method for preventing cracking of a luminous mark on a concrete pavement comprises the following steps:
step 1: excavating a road surface 18 into a step-shaped groove 2, wherein the position of the step-shaped groove 2 is selected in front of a pedestrian zebra crossing 1;
step 2: prefabricating a wood template into a shaping plate type component 4, wherein the thickness of a jointed board of the selected wood template is 25-35 mm, and holes 5 are formed in the left and right of the shaping plate type component 4;
and step 3: a hole 5 reserved on the left side of the shaping plate type member 4 is inserted with a PVC sleeve 6, and a reinforcing steel bar 7 is inserted on the right side;
and 4, step 4: pouring the shaping plate type member 4, prefabricating a concrete member 14, selecting concrete with the grade of C20 or above, and dismantling the wood formwork and the PVC sleeve 6 when the strength reaches 50% of the designed concrete value;
and 5: fixing a plastic pipeline 10 for wiring on the central line of the side wall of the drainage groove 8 by using a buckle 9, and guiding water into the original culvert of the road by using the drainage groove 8;
step 6: after the bottom of the step-shaped groove 2 is rolled, leveled and compacted, the reserved steel bars 7 of the precast concrete members 14 and the holes of the PVC sleeve 6 are spliced with each other and are placed in the step-shaped groove 2;
and 7: cutting equally spaced strip-shaped grooves 19 at joints 22 of the precast concrete members 14 and the road surface 18 across the joints 22, and punching the ends of the strip-shaped grooves to form drilled holes 23;
and 8: cleaning the strip-shaped groove 19 and the drill hole 23, manufacturing the hot-rolled ribbed steel bar into a horseshoe shape according to the length of the strip-shaped groove 19 and the depth of the drill hole 23, implanting a horseshoe rib 15 along the direction of the strip-shaped groove 19, inserting bent parts at two ends of the horseshoe rib 15 into the cleaned drill hole 23, and pouring the strip-shaped groove 19, the drill hole 23 and a joint 22 of the precast concrete member 14 and the road surface 18 by using mortar;
and step 9: fixing a first equilateral angle steel 12 on the upper surface of a precast concrete member 14 by using a first bolt 11, fixing a second equilateral angle steel 20 by using a second bolt 21, wherein the second equilateral angle steel 20 is symmetrically arranged along a drainage channel 8, and welding seams 16 are arranged in the first equilateral angle steel 12 and the second equilateral angle steel 20 with opposite limb backs to weld a steel plate 13;
step 10: placing the luminous markers 3 in the first equilateral angle steel 12 and the second equilateral angle steel 20 and arranging them on a straight line;
step 11: and paving an asphalt layer 17, wherein the asphalt needs to be leveled and compacted after being paved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a prevent structure of burying underground of concrete road surface luminous sign department fracture which characterized in that: comprises pedestrian zebra stripes (1), a step-shaped groove (2), luminous marks (3), a shaping plate type component (4), holes (5), PVC sleeves (6), reinforcing steel bars (7), drainage grooves (8), buckles (9), plastic pipelines (10), first bolts (11), first equilateral angle steel (12), steel plates (13), prefabricated concrete components (14), horseshoe ribs (15), welding seams (16), asphalt layers (17), a pavement (18), strip-shaped grooves (19), second equilateral angle steel (20), second bolts (21), seams (22) and drill holes (23), wherein the step-shaped groove (2) is embedded in the pavement (18), the step-shaped groove (2) is arranged in front of the pedestrian zebra stripes (1), the luminous marks (3) are uniformly arranged on the upper surface of the prefabricated concrete component (14), and the prefabricated concrete component (14) is arranged in the step-shaped groove (2), the prefabricated concrete member (14) is matched with the step-shaped groove (2), holes (5) are formed in the left side and the right side of the sizing plate type member (4), a PVC sleeve (6) is arranged in the hole (5) in one side, reinforcing steel bars (7) are arranged in the hole (5) in the other side, a drainage groove (8) is formed in the middle of the upper surface of the prefabricated concrete member (14), the plastic pipeline (10) is fixed to the central line of the side wall of the drainage groove (8) through a buckle (9), a seam (22) is formed between the prefabricated concrete member (14) and the road surface (18), the strip-shaped grooves (19) are arranged above the seam (22) at equal intervals, drilling holes (23) are formed in the two ends of the strip-shaped grooves (19), the middle of the horseshoe rib (15) is matched with the strip-shaped grooves (19), and the two ends of the horseshoe rib (15) are arranged, second equilateral angle steel (20) are located through second bolt (21) precast concrete component (14) upper surface, water drainage tank (8) symmetric distribution is followed in second equilateral angle steel (20), first equilateral angle steel (12) are passed through first bolt (11) are located perpendicularly second equilateral angle steel (20) both sides are equipped with welding seam (16) between second equilateral angle steel (20), second equilateral angle steel (20) pass through welding seam (16) with steel sheet (13) welded connection, luminous sign (3) are located between first equilateral angle steel (12) and second equilateral angle steel (20), asphalt layer (17) are located road surface (18) top.
2. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: lanes are arranged on the pedestrian zebra crossing (1), and the number of the lanes is N groups.
3. The burying structure for preventing cracking of the luminous mark of the concrete pavement according to claim 2, wherein: step form groove (2) are located pedestrian's zebra crossing (1) front end 400 ~ 600mm department, the total length of step form groove (2) is N (3 ~ 3.75m), the total width of step form groove (2) is 1300 ~ 1800mm, the total depth of step form groove (2) is 700 ~ 900 m.
4. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: the shaping plate type member (4) is of a T-shaped structure, the total height of the shaping plate type member (4) is 600-800 mm, and the total width of the shaping plate type member (4) is 900-1200 mm.
5. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: the diameter of the hole (5) is 10-20 mm, the distance between every two holes (5) is 200mm, the length of the PVC sleeve (6) is 20-30 cm, the length of the reinforcing steel bar (7) in the hole (5) is 20-30 cm, and the length of the reinforcing steel bar (7) outside the hole (5) is 20-30 cm.
6. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: the gradient of the drainage channel (8) is 1-3%.
7. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: the width of bar groove (19) is 1.5 ~ 2 times of the width of muscle of a hoof (15), the length of bar groove (19) is 300 ~ 400mm, the height of muscle of a hoof (15) is 100 ~ 150mm, the degree of depth of drilling (23) is 110 ~ 160 mm.
8. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: the interval of second equilateral angle steel (20) between two liang equals the width of luminous sign (3), the interval of luminous sign (3) between two liang is 350 ~ 400mm, the limit width of first equilateral angle steel (12) and second equilateral angle steel (20) is 50 ~ 63mm, the limit thickness of first equilateral angle steel (12) and second equilateral angle steel (20) is 4 ~ 6mm, the length of side of first equilateral angle steel (12) is the width +200mm of water drainage tank (8).
9. The burying structure for preventing cracking of a concrete pavement luminous mark according to claim 1, wherein: the length of steel sheet (13) is 350 ~ 400mm, the width of steel sheet (13) is the width +200mm of bar groove (19), the diameter of first bolt (11) and second bolt (21) is 6 ~ 10mm, the edge of first bolt (11) with the distance on the long limit of first equilateral angle steel (12) is 30 ~ 50 mm.
10. An embedding method for preventing cracking of a light-emitting mark on a concrete pavement is characterized by comprising the following steps:
step 1: the method comprises the following steps of (1) excavating a road surface (18) into a step-shaped groove (2), wherein the position of the step-shaped groove (2) is selected in front of a pedestrian zebra crossing (1);
step 2: prefabricating the wood template into a shaping plate type component (4), wherein the thickness of a jointed board of the selected wood template is 25-35 mm, and holes (5) are formed in the left and right of the shaping plate type component (4);
and step 3: a PVC sleeve (6) is inserted into a reserved hole (5) on the left side of the shaping plate type member (4), and a steel bar (7) is inserted into the right side of the shaping plate type member;
and 4, step 4: pouring a shaping plate type member (4), prefabricating a concrete member (14), selecting concrete with the grade of C20 or above, and dismantling a wood template and a PVC sleeve (6) when the strength reaches 50% of the designed value of the concrete;
and 5: fixing a plastic pipeline (10) for wiring on the central line of the side wall of the drainage groove (8) by using a buckle (9), and guiding water into the original culvert of the road by using the drainage groove (8);
step 6: after the bottom of the step-shaped groove (2) is rolled, leveled and compacted, the reserved steel bars (7) of the precast concrete members (14) and the PVC sleeve holes (6) are spliced with each other and placed in the step-shaped groove (2);
and 7: cutting strip-shaped grooves (19) at equal intervals at the joints (22) of the precast concrete members (14) and the road surface (18) in a crossing manner, and punching the ends of the strip-shaped grooves to form drilled holes (23);
and 8: cleaning the strip-shaped groove (19) and the drill hole (23), manufacturing the hot-rolled ribbed steel bar into a horseshoe shape according to the length of the strip-shaped groove (19) and the depth of the drill hole (23), implanting a horseshoe tendon (15) along the direction of the strip-shaped groove (19), inserting bent parts at two ends of the horseshoe tendon (15) into the cleaned drill hole (23), and pouring the strip-shaped groove (19), the drill hole (23) and a joint (22) of the precast concrete member (14) and the road surface (18) with mortar;
and step 9: fixing first equilateral angle steel (12) on the upper surface of a precast concrete member (14) by using a first bolt (11), fixing second equilateral angle steel (20) by using a second bolt (21), wherein the second equilateral angle steel (20) is symmetrically arranged along a drainage channel (8), and welding seams (16) are arranged in the first equilateral angle steel (12) and the second equilateral angle steel (20) with opposite limb backs to weld a steel plate (13);
step 10: placing the light-emitting floor tiles (14) in a first equilateral angle steel (12) and a second equilateral angle steel (20) and arranging them on a straight line;
step 11: and paving an asphalt layer (17), wherein the asphalt needs to be leveled and compacted after being paved.
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Effective date of registration: 20221221 Address after: 226000 No. 1, Zhonghua East Road, Sanchang street, Haimen District, Nantong City, Jiangsu Province Patentee after: NANTONG TIANCHENG PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 226019 Jiangsu Province, Nantong City Chongchuan District sik Road No. 9 Patentee before: NANTONG University |