CN114108424A - Gravel seal vehicle and using method thereof - Google Patents

Gravel seal vehicle and using method thereof Download PDF

Info

Publication number
CN114108424A
CN114108424A CN202111456882.9A CN202111456882A CN114108424A CN 114108424 A CN114108424 A CN 114108424A CN 202111456882 A CN202111456882 A CN 202111456882A CN 114108424 A CN114108424 A CN 114108424A
Authority
CN
China
Prior art keywords
transverse rib
rib
lapping
sliding
geogrid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111456882.9A
Other languages
Chinese (zh)
Other versions
CN114108424B (en
Inventor
张晓翔
钟铁铖
喻军宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sihong County Urban Construction Investment Management Group Co ltd
Original Assignee
Sihong County Urban Construction Investment Management Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sihong County Urban Construction Investment Management Group Co ltd filed Critical Sihong County Urban Construction Investment Management Group Co ltd
Priority to CN202111456882.9A priority Critical patent/CN114108424B/en
Publication of CN114108424A publication Critical patent/CN114108424A/en
Application granted granted Critical
Publication of CN114108424B publication Critical patent/CN114108424B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/21Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for simultaneously but separately applying liquid material and granular or pulverulent material, e.g. bitumen and grit, with or without spreading ; for filling grooves and gritting the filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention discloses a chip seal vehicle and a using method thereof, and the chip seal vehicle comprises a vehicle main body, a transverse rib preparation device, a longitudinal rib preparation device, a high-temperature fixing device, an asphalt tank and a material collecting tank, wherein the transverse rib preparation device, the longitudinal rib preparation device, the high-temperature fixing device, the asphalt tank and the material collecting tank are all fixedly arranged on the vehicle main body, the longitudinal rib preparation device is positioned in the transverse rib preparation device, and the asphalt tank and the material collecting tank are positioned at the rear part of the vehicle main body. The invention ensures that the transverse ribs and the longitudinal ribs of the prepared geogrid are staggered and stacked, calculates the geometric dimension of the geogrid meshes required by the road according to the interlaminar shearing performance of the road surface and the traffic load grade of the road, automatically manufactures and paves the geogrid which conforms to different asphalt road surfaces, completes the integral operation from manufacturing to paving of the geogrid, overcomes the problem of poor stability between a broken stone seal layer and a base layer, and solves the problems of time consumption and labor consumption of the geogrid which needs to be prefabricated in advance and manually paved.

Description

Gravel seal vehicle and using method thereof
Technical Field
The invention relates to the technical field of road construction, in particular to a chip sealer and a using method thereof.
Background
The surface layer of the gravel seal is suitable for preventive maintenance and repair of roads of different grades due to simple construction process, low cost, wide application range and less environmental pollution, and is popular in road new construction and reconstruction.
However, the broken stone seal surface layer has the defects of loose particles and poor bonding property with the base layer of the pavement, the geogrid is added between the base layer and the surface layer, the shearing strength and the track resistance of the pavement can be effectively improved, the traditional geogrid needs to be prefabricated in advance, a large amount of manpower and material resources are needed for manufacturing and paving, the pavement can not be realized by using the geogrid, and the pavement and the asphalt pavement surface layer can not be synchronously paved and the construction progress is slowed down. When the traditional geogrid is selected in the mesh, the traditional geogrid is generally selected according to construction experience, so that the stability between paved road surface layers can not be improved, and the situation of poor anti-rutting capability can be caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a chip sealer and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a rubble seal coat car, includes vehicle main part, horizontal rib preparation facilities, indulges rib preparation facilities, high temperature fixing device, asphalt tank and material collecting tank, horizontal rib preparation facilities, indulge rib preparation facilities, high temperature fixing device, asphalt tank, the equal fixed mounting of material collecting tank are on vehicle main part, and it is inside that the vertical rib preparation facilities is located horizontal rib preparation facilities, and asphalt tank, material collecting tank are located vehicle main part rear portion.
The transverse rib preparation device comprises a transverse rib raw material roller, a front end rubber double wheel, a transverse rib movable blade sliding double rod, a middle rubber double wheel, a rear rubber double wheel, a cutting blade sliding rod, a front transverse rib ring lapping device and a rear transverse rib ring lapping device, wherein the side walls of two sides of the vehicle main body are provided with a U-shaped sliding groove, an I-shaped sliding groove and a sliding double rod sliding groove; the front transverse rib ring lapping device consists of a front upper transverse rib ring lapping device, a front lower transverse rib ring lapping device, a front upper transverse rib ring lapping sliding rod and a front lower transverse rib ring lapping sliding rod; the front upper transverse rib loop-lapping sliding rod and the front lower transverse rib loop-lapping sliding rod are slidably arranged in the I-shaped sliding groove; the rear transverse rib ring lapping device consists of a rear upper transverse rib ring lapping, a rear lower transverse rib ring lapping, a rear upper transverse rib ring lapping sliding rod and a rear lower transverse rib ring lapping sliding rod; the rear upper transverse rib lap ring and the rear lower transverse rib lap ring are internally provided with a fixed baffle and a baffle telescopic rod; the upper rear transverse rib loop-lapping sliding rod and the lower rear transverse rib loop-lapping sliding rod are slidably arranged in the U-shaped sliding groove; the front upper transverse rib lapping ring, the front lower transverse rib lapping ring, the rear upper transverse rib lapping ring and the rear lower transverse rib lapping ring are respectively installed on the front upper transverse rib lapping ring sliding rod, the front lower transverse rib lapping ring sliding rod, the rear upper transverse rib lapping ring sliding rod and the rear lower transverse rib lapping ring sliding rod in a sliding mode and can slide along the rod bodies of the front upper transverse rib lapping ring, the front lower transverse rib lapping ring, the rear upper transverse rib lapping ring sliding rod and the rear lower transverse rib lapping ring sliding rod; the transverse rib movable blade sliding double rods are arranged on the sliding double rod sliding grooves and can move up and down along the sliding double rod sliding grooves; the transverse rib movable blade is slidably arranged on the transverse rib movable blade sliding double rods; the cutting blade sliding rod is fixed on the inner wall of the vehicle body, and the cutting blade can move on the cutting blade sliding rod.
Preferably, the longitudinal rib preparation device consists of a longitudinal rib raw material roller, a longitudinal rib fixing clamp, a longitudinal rib movable blade device and a mouth-shaped sliding groove arranged on the side walls of the two sides of the vehicle main body; the longitudinal rib fixing clamps are arranged in the mouth-shaped sliding grooves, can be opened and closed and can move along the mouth-shaped sliding grooves; the longitudinal rib movable blade device is composed of transverse rib movable blades and transverse rib movable blade sliding rods, the longitudinal rib movable blade sliding rods are horizontally erected in the vehicle body, the longitudinal rib movable blades are slidably installed on the transverse rib movable blade sliding rods, and a plurality of groups of longitudinal rib movable blade devices are arranged side by side at equal intervals.
Preferably, the high-temperature fixing device consists of rubber integrated double wheels, a high-temperature electric soldering iron telescopic rod and double-wheel sliding grooves formed in the side walls of the two sides of the vehicle main body; the rubber integration double wheels are arranged in the double-wheel sliding grooves; the high-temperature electric soldering iron consists of an upper high-temperature electric soldering iron and a lower high-temperature electric soldering iron; the high-temperature electric soldering iron telescopic rod consists of an upper high-temperature electric soldering iron telescopic rod and a lower high-temperature electric soldering iron telescopic rod; the high-temperature electric soldering iron is connected with a high-temperature electric soldering iron telescopic rod, the high-temperature electric soldering iron telescopic rod located above is fixed to the top surface of the carriage, and the fixed cylinder telescopic rod located below is fixed to the bottom surface of the carriage.
Preferably, an electromagnetic heating device is installed in the asphalt tank, and an asphalt nozzle is installed below the asphalt tank.
All of the slidable rod assemblies described are powered by a motor.
A use method of a chip sealer comprises the following steps:
s1: determining the mesh size, preparing a geogrid-added composite rut plate test piece, testing the interlaminar shear strength of the test piece, and comprehensively determining the mesh size of the geogrid according to the interlaminar shear performance of the test piece and the traffic load grade of a road;
s2: in the field construction, the transverse rib preparation device, the longitudinal rib preparation device and the high-temperature fixing device are matched to work to prepare the geogrid and pave the geogrid, the asphalt tank sprays asphalt, and the aggregate tank sprays aggregate to pave the gravel seal.
Preferably, in step S1, the mesh size determination includes the steps of:
s1-1: forming six cement stabilized macadam base course rut plates, then placing the formed six cement stabilized macadam base course rut plates into six self-made grinding tools, wherein the grinding tools can be disassembled, the size is 300mm x 100mm, and the surface of the cement stabilized macadam base course rut plates are cleaned by using a brush to ensure that the surface of the base course is clean and pollution-free;
s1-2: cutting geogrids with different meshes to 300mm × 300mm, wherein the mesh size can be 1cm × 1cm, 2cm × 2cm, 3cm × 3cm, 4cm × 4cm and 5cm × 5cm, respectively placing the geogrids on five cement-stabilized macadam foundation rut plates, and simultaneously setting a control group without adding the geogrids; adding asphalt and aggregate to the rut plates according to a reconstruction scheme, uniformly paving the rut plates with the aggregate, and rolling for 3-4 times by using a rut tester after the asphalt and the aggregate are put into the rut plates once to obtain five geogrid-added composite rut plates and a control group composite rut plate;
s1-3: drilling six composite rut plates with the diameter of 10cm, numbering test pieces obtained by drilling the composite rut plates of a control group as test piece 0, numbering test pieces obtained by drilling five geogrid composite rut plates as test pieces 1,2,3,4 and 5, performing experiments by using a pavement shear apparatus, wherein the interlaminar shear strength and the maximum shear failure load of the test piece 0 are tau respectively0、Q0The interlaminar shear strength and the maximum shear failure load of test pieces 1,2,3,4,5 are τ1、τ2、τ3、τ4、τ5、Q1、Q2、Q3、Q4、Q5And calculating the interlaminar shear strength of all test pieces by using the formula 1.
τi Q i0,1,2,3,4,5 formula 1
Wherein, tauiIs interlaminar shear strength (Mpa), QiThe maximum shear failure load (N) and the effective shear area (mm)2);
S1-4: picking out the interlaminar shear strength of more than or equal to tau0All corresponding test pieces are qualified test pieces, the geogrid size corresponding to the qualified test pieces is a qualified size, the traffic volume of a large bus and a large truck is accumulated according to the design lanes within the design service life of the road, and the traffic load grades of the road are obtained and are divided into five traffic load grades of extremely heavy, extra heavy, medium and light traffic load grades; the minimum mesh size in the qualified sizes is adopted for the extremely heavy traffic grades and the extra heavy traffic grades, the secondary small mesh size in the qualified sizes is adopted for the medium light traffic grades, therefore, the distance between the geogrids is determined to be z (cm), and the traffic load grades are divided according to the design specification of the road asphalt pavement (JTG D50-2017).
In step S2, the site construction includes the steps of:
s2-1: the method comprises the following steps that when a vehicle is driven to a construction site, a geogrid transverse rib coiled material raw material is placed on a transverse rib raw material roller, a geogrid longitudinal rib coiled material raw material is placed on a longitudinal rib raw material roller, the geogrid transverse rib coiled material raw material is placed between two front-end rubber wheels, the two front-end rubber wheels start to rotate to drive the transverse rib raw material roller to rotate and continuously discharge materials, a transverse rib movable blade sliding double rod runs to the lower end point of a sliding double rod sliding groove along the sliding double rod sliding groove, the geogrid raw material enters the middle rubber double wheel and then enters the rear rubber double wheel, the transverse rib movable blade sliding double rod rises along the sliding double rod sliding groove to start cutting the raw material, and the required number of the transverse rib movable blades is as shown in a formula 2; the cutting blade cuts the uncut part of the raw material along the sliding rod, at the moment, the front upper transverse rib lapping sliding rod and the front lower transverse rib lapping sliding rod are positioned at the position close to the middle point of the I-shaped sliding chute, the rear upper transverse rib lapping sliding rod and the rear lower transverse rib lapping sliding rod are positioned at the position close to the middle end of the U-shaped sliding chute, the distance between the rear upper transverse rib lapping rings is 2x, the distance between the rear lower transverse rib lapping rings is 2x, the horizontal distance between two adjacent rear upper transverse rib lapping rings and the rear lower transverse rib lapping rings is x, the calculation of x is shown in a formula 3, the cut raw material becomes a transverse rib, the transverse rib passes through the front upper transverse rib lapping rings and the front lower transverse rib lapping rings to enter the rear upper transverse rib lapping rings and the rear lower transverse rib lapping rings, the telescopic rod extends at the moment, and the transverse ribs are fixed by the fixed baffle. The front upper transverse rib loop-lapping sliding rod ascends, the front lower transverse rib loop-lapping sliding rod descends, and the rear upper transverse rib loop-lapping sliding rod and the rear lower transverse rib loop-lapping sliding rod respectively move two ends of the U-shaped sliding chute.
Figure BDA0003387973990000051
Wherein w is the required number of the movable transverse rib blades; l is the width (cm) of the raw material of the geogrid transverse rib coiled material; n is the transverse rib width (cm), typically 1-3 cm;
x is n + z formula 3
Wherein z is the mesh size (cm) of the geogrid;
s2-2: the multiple groups of longitudinal rib fixing clamps clamp the geogrid longitudinal rib raw materials to be horizontally arranged, the longitudinal rib movable blade devices are started to cut the geogrid longitudinal rib raw materials, the width of each longitudinal rib is the same as the distance between the longitudinal rib movable blade devices, after cutting is completed, each group of longitudinal rib fixing clamps clamp one longitudinal rib, the longitudinal rib moves to the right end point of the mouth-shaped sliding groove along the mouth-shaped sliding groove, and the time difference of reaching the right end point of the mouth-shaped sliding groove by each group of longitudinal rib fixing clamps is shown in a formula 4;
Figure BDA0003387973990000061
wherein t is the time difference(s) from each group of longitudinal rib fixing clamps to the point G; m is the longitudinal rib width (cm), typically 1-3 cm; z is the mesh size (cm) of the geogrid; t is the rotation period(s) of the rubber integrated double wheel; r is the radius (cm) of the rubber integrated double wheel;
s2-3: the rubber integration double-wheel is located at the upper end point and the lower end point of the double-wheel sliding groove, the rubber integration double-wheel moves to the position close to the middle point of the double-wheel sliding groove along the sliding groove, the transverse ribs and the longitudinal ribs penetrate through the rubber integration double-wheel, the telescopic rod of the high-temperature electric soldering iron reciprocates, the intersection of the transverse ribs and the longitudinal ribs is heated and bonded by using the high-temperature electric soldering iron, the geogrid is prepared, the geogrid is discharged from the outlet of the geogrid to be paved, and hot asphalt can be sprayed from an asphalt nozzle to bond the geogrid and a roadbed.
S2-4: the asphalt is sprayed out from the asphalt nozzle, the aggregate is poured out from the aggregate outlet, and the gravel seal is paved.
Compared with the prior art, the invention provides a chip seal vehicle and a using method thereof, and the chip seal vehicle has the following beneficial effects:
1. the traditional gravel seal pavement is poor in interlaminar stability, the geogrid is added between layers to effectively improve the interlaminar shear performance and the anti-rutting performance of the traditional gravel seal pavement, the traditional geogrid needs to be prefabricated in advance and then transported to the site for manual laying, and the same geogrid is adopted for rut diseases of different degrees.
2. The mesh size of the geogrid used on the traditional road surface is generally selected according to experience, the different geogrid mesh sizes required by different rutting disease degrees are not considered, and the geogrid mesh size is comprehensively selected according to the road interlayer stability and the rutting severity, so that the road interlayer stability is ensured, and the rutting disease can be effectively prevented.
3. According to the invention, the geogrid is paved while the broken stone seal coat is paved, so that the stable adhesion between the geogrid and the road surface is ensured, and the integrity of the geogrid is also ensured.
The invention ensures that the transverse ribs and the longitudinal ribs of the prepared geogrid are staggered and stacked, calculates the geometric dimension of the geogrid meshes required by the road according to the interlaminar shearing performance of the road surface and the traffic load grade of the road, automatically manufactures and paves the geogrid suitable for different asphalt road surfaces, completes the integral operation from manufacturing to paving of the geogrid, overcomes the problem of poor stability between a broken stone seal layer and a base layer, and solves the problems of time consumption and labor consumption of the geogrid which needs to be prefabricated in advance and manually paved.
Drawings
FIG. 1 is a schematic view of a chip sealer vehicle;
FIG. 2 is a schematic view of a transverse rib forming apparatus;
FIG. 3 is a schematic view of a longitudinal rib forming apparatus;
FIG. 4 is a schematic view of a high temperature fixture;
FIG. 5 is a detail view of the cross rib movable blade slide bar;
FIG. 6 is a detail view of the front cross rib attachment means;
FIG. 7 is a detail view of the rear cross rib attachment means;
fig. 8 is a detail view of a longitudinal rib movable blade assembly.
In the figure: the device comprises a vehicle body 1, a transverse rib preparation device 2, a longitudinal rib preparation device 3, a high-temperature fixing device 4, an asphalt tank 5, a material collecting tank 6, a transverse rib raw material roller 2-1, a transverse rib movable blade 2-2, a transverse rib movable blade sliding double rod 2-3, a front upper transverse rib lapping ring sliding rod 2-4, a front upper transverse rib lapping ring 2-5, a front lower transverse rib lapping ring 2-6, a front lower transverse rib lapping ring sliding rod 2-7, a rear upper transverse rib lapping ring sliding rod 2-8, a rear upper transverse rib lapping ring 2-9, a rear lower transverse rib lapping ring 2-10, a rear lower transverse rib lapping ring sliding rod 2-11, a front end rubber double wheel 2-12, a middle rubber double wheel 2-13, a cutting blade sliding rod 2-14, a cutting blade 2-15, a U-shaped sliding chute 2-16, a double-rod sliding chute 2-17, a transverse rib sliding rod 2-11, a front end rubber double wheel 2-12, a middle rubber double wheel 2-13, a cutting blade sliding rod 2-14, a cutting blade sliding rod 2-15, a U-sliding chute 2-16, a U-shaped sliding chute 2-17, a transverse rib roller 2-6, a transverse rib roller, a roller, a, 2-18 parts of rear rubber double wheels, 2-19 parts of fixed baffles, 2-20 parts of baffle telescopic rods, 2-21 parts of front transverse rib ring lapping devices, 2-22 parts of rear transverse rib ring lapping devices, 2-23 parts of I-shaped chutes, 3-1 parts of longitudinal rib raw material rollers, 3-2 parts of transverse rib movable blade sliding rods, 3-3 parts of transverse rib movable blades, 3-4 parts of longitudinal rib fixing clamps, 3-5 parts of mouth-shaped chutes, 3-6 parts of longitudinal rib movable blade devices, 4-1 parts of rubber integration double wheels, 4-2 parts of high-temperature electric irons, 4-3 parts of high-temperature electric iron telescopic rods, 4-4 parts of double wheel chutes, 5-1 parts of electromagnetic heating devices, 5-2 parts of asphalt aggregate nozzles and 6-1 parts of discharge ports.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
The geogrid needs to be laid on a certain road section, the width of the required geogrid transverse rib is 2cm, the width of the geogrid longitudinal rib is 2cm, the width of the geogrid transverse rib coiled material is 40cm, and the mesh size of the geogrid is 5 cm-5 cm; the rotation period of the rubber integrated double wheels in the chip seal vehicle is 5s, and the radius of the rubber integrated double wheels is 5 cm.
Referring to the attached drawings 1-8, the chip seal vehicle comprises a vehicle body 1, a transverse rib preparation device 2, a longitudinal rib preparation device 3, a high-temperature fixing device 4, an asphalt tank 5 and a material collecting tank 6, wherein the transverse rib preparation device 2, the longitudinal rib preparation device 3, the high-temperature fixing device 4, the asphalt tank 5 and the material collecting tank 6 are fixedly installed on the vehicle body, the longitudinal rib preparation device 3 is located inside the transverse rib preparation device 2, and the asphalt tank 5 and the material collecting tank 6 are located at the rear part of the vehicle body.
The transverse rib preparation device 2 comprises a transverse rib raw material roller 2-1, a front end rubber double wheel 2-12, a transverse rib movable blade 2-2, a transverse rib movable blade sliding double rod 2-3, a middle rubber double wheel 2-13, a rear rubber double wheel 2-18, a cutting blade 2-15, a cutting blade sliding rod 2-14, a front transverse rib loop lapping device 2-21 and a rear transverse rib loop lapping device 2-22, and U-shaped chutes 2-16, I-shaped chutes 2-23 and sliding double rod chutes 2-17 are formed in the side walls of two sides of the vehicle main body 1; wherein, the front transverse rib ring-lapping device 2-21 consists of a front upper transverse rib ring-lapping 2-5, a front lower transverse rib ring-lapping 2-6, a front upper transverse rib ring-lapping sliding rod 2-4 and a front lower transverse rib ring-lapping sliding rod 2-7; the upper front transverse rib loop lapping sliding rod 2-4 and the lower front transverse rib loop lapping sliding rod 2-7 are slidably arranged in the I-shaped sliding groove 2-23; the rear transverse rib ring lapping device 2-22 consists of a rear upper transverse rib ring lapping device 2-9, a rear lower transverse rib ring lapping device 2-10, a rear upper transverse rib ring lapping sliding rod 2-8 and a rear lower transverse rib ring lapping sliding rod 2-11; the rear upper transverse rib lap ring 2-9 and the rear lower transverse rib lap ring 2-10 are internally provided with a fixed baffle 2-19 and a baffle telescopic rod 2-20; the upper rear transverse rib loop lapping sliding rod 2-8 and the lower rear transverse rib loop lapping sliding rod 2-11 are slidably arranged in the U-shaped sliding groove 2-16; the front upper transverse rib loop 2-5, the front lower transverse rib loop 2-6, the rear upper transverse rib loop 2-9 and the rear lower transverse rib loop 2-10 are respectively installed on the front upper transverse rib loop sliding rod 2-4, the front lower transverse rib loop sliding rod 2-7, the rear upper transverse rib loop sliding rod 2-8 and the rear lower transverse rib loop sliding rod 2-11 in a sliding manner and can slide along the respective rod bodies; the transverse rib movable blade sliding double-rod 2-3 is arranged on the sliding double-rod sliding groove 2-17 and can move up and down along the sliding double-rod sliding groove 2-17; the transverse rib movable blade 2-2 is slidably arranged on the transverse rib movable blade sliding double rod 2-3; the cutting blade sliding rods 2-14 are fixed on the inner wall of the vehicle body 1, and the cutting blades 2-15 can move on the cutting blade sliding rods 2-14; when a vehicle is driven to a construction site, placing a geogrid transverse rib coiled material raw material on a transverse rib raw material roller 2-1, placing a geogrid longitudinal rib coiled material raw material on a longitudinal rib raw material roller 3-1, placing one end of the geogrid transverse rib coiled material raw material between a front end rubber double wheel 2-12, starting to rotate the front end rubber double wheel 2-12 to drive the transverse rib raw material roller 2-1 to rotate to continuously discharge materials, enabling a transverse rib movable blade sliding double rod 2-3 to run to a lower end point along a sliding double rod sliding chute 2-17, enabling the geogrid raw material to enter a middle rubber double wheel 2-13 and then enter a rear rubber double wheel 2-18, enabling the transverse rib movable blade sliding double rod 2-3 to rise along the sliding double rod sliding chute 2-17 to start cutting the raw material, and calculating according to a formula 2,
Figure BDA0003387973990000111
the number of the required transverse rib movable blades is 19, the raw material uncut parts are cut by the cutting blades 2-15 along the sliding rods, at the moment, the front upper transverse rib loop lapping sliding rod 2-4 and the front lower transverse rib loop lapping sliding rod 2-7 are positioned at the position close to the middle point of the I-shaped sliding chute 2-23, the rear upper transverse rib loop lapping sliding rod 2-8 and the rear lower transverse rib loop lapping sliding rod 2-11 are respectively positioned at the position close to the middle end of the U-shaped sliding chute 2-16, the calculation is carried out according to the formula 2,
5+2=7
the distance between the upper rear transverse rib loops is 14cm, the distance between the lower rear transverse rib loops is 14cm, and the horizontal distance between two adjacent upper rear transverse rib loops and the lower rear transverse rib loops is 7 cm; the cut raw materials of the geogrid transverse rib coiled material become transverse ribs, pass through the front upper transverse rib attachment rings 2-5 and the front lower transverse rib attachment rings 2-6, enter the rear upper transverse rib attachment rings 2-9 and the rear lower transverse rib attachment rings 2-10, at the moment, the baffle telescopic rods 2-20 are extended, and the transverse ribs are fixed by the fixed baffles 2-19. The front upper transverse rib loop lapping sliding rod 2-4 rises, the front lower transverse rib loop lapping sliding rod 2-7 descends, and the rear upper transverse rib loop lapping sliding rod 2-8 and the rear lower transverse rib loop lapping sliding rod 2-11 move to the two ends of the U-shaped sliding groove 2-16 respectively.
The longitudinal rib preparation device 3 consists of a longitudinal rib raw material roller 3-1, a longitudinal rib fixing clamp 3-4, a longitudinal rib movable blade device 3-6 and a mouth-shaped sliding groove 3-5 arranged on the side wall at two sides of the vehicle main body; the longitudinal rib fixing clips 3-4 are arranged in the mouth-shaped sliding chutes 3-5, and the longitudinal rib fixing clips 3-4 can be opened and closed and can move along the mouth-shaped sliding chutes 3-5; the longitudinal rib movable blade device 3-6 consists of a transverse rib movable blade 3-3 and a transverse rib movable blade sliding rod 3-2, the longitudinal rib movable blade sliding rod 3-2 is horizontally erected in the vehicle main body 1, the longitudinal rib movable blade 3-3 is slidably arranged on the transverse rib movable blade sliding rod 3-2, and a plurality of groups of longitudinal rib movable blade devices 3-6 are arranged in parallel at equal intervals; a plurality of groups of longitudinal rib fixing clamps 3-4 clamp the geogrid longitudinal rib raw materials to be horizontally arranged, a longitudinal rib movable blade device 3-6 is started to cut the geogrid longitudinal rib raw materials, after the cutting is finished, each group of longitudinal rib fixing clamps 3-4 clamps one longitudinal rib, the edge-shaped sliding groove 3-5 moves to the right end point of the edge-shaped sliding groove 3-5, and the geogrid longitudinal rib raw materials are arranged according to the public principle
The calculation of equation 4 is carried out,
Figure BDA0003387973990000121
the time difference of each group of the longitudinal rib fixing clamps reaching the right end point of the mouth-shaped sliding groove 3-5 is 1.11 s.
The high-temperature fixing device 4 consists of a rubber integrated double wheel 4-1, a high-temperature electric soldering iron 4-2, a high-temperature electric soldering iron telescopic rod 4-3 and double-wheel sliding grooves 4-4 formed in the side walls of the two sides of the vehicle main body; the rubber integration double wheel 4-1 is arranged in the double wheel chute 4-4; the high-temperature electric iron 4-2 consists of an upper high-temperature electric iron and a lower high-temperature electric iron; the high-temperature electric soldering iron telescopic rod 4-3 consists of an upper high-temperature electric soldering iron telescopic rod and a lower high-temperature electric soldering iron telescopic rod; the high-temperature electric soldering iron 4-2 is connected with a high-temperature electric soldering iron telescopic rod 4-3, the high-temperature electric soldering iron telescopic rod 4-3 positioned above is fixed on the top surface of the carriage, and the fixed cylinder telescopic rod 4-3 positioned below is fixed on the bottom surface of the carriage; the rubber integration double-wheel 4-1 is positioned at the upper end point and the lower end point of the double-wheel sliding groove 4-4, moves to the position close to the middle point of the double-wheel sliding groove 4-4 along the double-wheel sliding groove 4-4, penetrates the transverse rib and the longitudinal rib through the rubber integration double-wheel 4-1, continuously contracts and extends the telescopic rod 4-3 of the high-temperature electric soldering iron, heats and bonds the junction of the transverse rib and the longitudinal rib by using the high-temperature electric soldering iron 4-2, finishes the preparation of the geogrid, and discharges materials from the geogrid outlet 7 for paving.
An electromagnetic heating device 5-1 is arranged in the asphalt tank 5, an asphalt nozzle 5-2 is arranged below the asphalt tank, and an aggregate discharge port 6-1 is arranged below the aggregate tank; the asphalt nozzle 5-2 can spray hot asphalt to bond the geogrid and the roadbed; after the geogrid is paved, the asphalt is sprayed out from the asphalt nozzle 5-2, aggregate is poured out from the aggregate outlet 6-2, and then the broken stone seal is paved.
Example two
The traffic volume of the large bus and the large truck with the designed lanes in the designed service life of a certain road section is 9.6 x 106The reconstructed broken stone cover surface layer sprinkling scheme is as follows:
spreading main layer stone, aggregate grain size range: 20-30mm, aggregate dosage: 25m3/1000m2
The first-time high-viscosity rubber asphalt comprises the following asphalt dosage: 1.8kg/m2
First caulking passMaterial, aggregate particle size range: 10-20mm, aggregate dosage: 18m3/1000m2
The second time of high-viscosity rubber asphalt, the asphalt dosage: 1.8kg/m2
The second caulking material, aggregate particle size range: 10-15mm, aggregate dosage: 10m3/1000m2
The third time of high-viscosity rubber asphalt, the asphalt dosage is as follows: 1.2kg/m2
The third caulking material has the aggregate grain size range: 5-10mm, aggregate dosage: 8m3/1000m2
(1) Six cement stabilized macadam base course rut plates are formed and put into six grinding tools with the size of 300mm 100mm, and sundries and dust on the surface of the cement stabilized macadam base course are brushed clean by using a brush to clean the surface of the base course, so that the surface of the base course is clean and pollution-free.
The mesh sizes of the geogrids are 1cm x 1cm, 2cm x 2cm, 3cm x 3cm, 4cm x 4cm and 5cm x 5cm, the geogrids with different meshes are cut to 300mm x 300mm, the geogrids are respectively placed on five cement-stabilized macadam foundation rut plates, a control group is arranged, and no geogrid is added;
adding asphalt and aggregate to the rut plate according to the reconstruction scheme,
spreading main layer stone, aggregate grain size range: 20-30mm, aggregate dosage: 0.00225m3
The first-time high-viscosity rubber asphalt comprises the following asphalt dosage: 0.162 kg;
first pass caulk, aggregate particle size range: 10-20mm, aggregate dosage: 0.00162m3
The second time of high-viscosity rubber asphalt, the asphalt dosage: 0.162 kg;
the second caulking material, aggregate particle size range: 10-15mm, aggregate dosage: 0.0009m3
The third time of high-viscosity rubber asphalt, the asphalt dosage is as follows: 0.108 kg;
the third caulking material has the aggregate grain size range: 5-10mm, aggregate dosage: 0.00072m3
The aggregate needs to be evenly paved on the rut plate, and after the aggregate and the asphalt are put in each time, the rut tester is used for rolling for 3 times to obtain five geogrid-added composite rut plates and a control group composite rut plate.
Drilling six composite rut plates with the diameter of 10cm, numbering test pieces obtained by drilling the composite rut plates of a control group as test piece 0, numbering test pieces obtained by drilling five geogrid composite rut plates as test pieces 1,2,3,4 and 5, performing experiments by using a pavement shear apparatus, wherein the interlaminar shear strength and the maximum shear failure load of the test piece 0 are tau respectively0、Q0The interlaminar shear strength and the maximum shear failure load of test pieces 1,2,3,4,5 are τ1、τ2、τ3、τ4、τ5、Q1、Q2、Q3、Q4、Q5And calculating the interlaminar shear strength of all test pieces by using the formula 1.
τ1=0.89、τ2=0.92、τ3=0.98、τ4=1.06、τ5=1.11τ0=0.93
(2)τ3、τ4、τ5Are all greater than tau0Finding the corresponding grid size and arranging in sequence: 3cm by 3cm, 4cm by 4cm, 5cm by 5 cm. The road is found to be heavy traffic grade by looking up the table, so the grid size is selected to be 4cm x 4 cm.
TABLE 1 design traffic load class
Figure BDA0003387973990000151
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The invention discloses a chip seal vehicle which is characterized by comprising a vehicle main body, a transverse rib preparation device, a longitudinal rib preparation device, a high-temperature fixing device, an asphalt tank and a material collecting tank, wherein the transverse rib preparation device, the longitudinal rib preparation device, the high-temperature fixing device, the asphalt tank and the material collecting tank are all fixedly arranged on the vehicle main body, the longitudinal rib preparation device is positioned in the transverse rib preparation device, and the asphalt tank and the material collecting tank are positioned at the rear part of the vehicle main body.
2. The chip sealer vehicle according to claim 1, wherein the cross rib preparing device comprises a cross rib raw material roller, a front end rubber double wheel, a cross rib movable blade sliding double rod, a middle rubber double wheel, a rear rubber double wheel, a cutting blade sliding rod, a front cross rib loop lapping device and a rear cross rib loop lapping device, and two side walls of the vehicle body are provided with a U-shaped chute, an I-shaped chute and a sliding double rod chute; the front transverse rib ring lapping device consists of a front upper transverse rib ring lapping device, a front lower transverse rib ring lapping device, a front upper transverse rib ring lapping sliding rod and a front lower transverse rib ring lapping sliding rod; the front upper transverse rib loop-lapping sliding rod and the front lower transverse rib loop-lapping sliding rod are slidably arranged in the I-shaped sliding groove; the rear transverse rib ring lapping device consists of a rear upper transverse rib ring lapping, a rear lower transverse rib ring lapping, a rear upper transverse rib ring lapping sliding rod and a rear lower transverse rib ring lapping sliding rod; the rear upper transverse rib lap ring and the rear lower transverse rib lap ring are internally provided with a fixed baffle and a baffle telescopic rod; the upper rear transverse rib loop-lapping sliding rod and the lower rear transverse rib loop-lapping sliding rod are slidably arranged in the U-shaped sliding groove; the front upper transverse rib lapping ring, the front lower transverse rib lapping ring, the rear upper transverse rib lapping ring and the rear lower transverse rib lapping ring are respectively installed on the front upper transverse rib lapping ring sliding rod, the front lower transverse rib lapping ring sliding rod, the rear upper transverse rib lapping ring sliding rod and the rear lower transverse rib lapping ring sliding rod in a sliding mode and can slide along the rod bodies of the front upper transverse rib lapping ring, the front lower transverse rib lapping ring, the rear upper transverse rib lapping ring sliding rod and the rear lower transverse rib lapping ring sliding rod; the transverse rib movable blade sliding double rods are arranged on the sliding double rod sliding grooves and can move up and down along the sliding double rod sliding grooves; the transverse rib movable blade is slidably arranged on the transverse rib movable blade sliding double rods; the cutting blade sliding rod is fixed on the inner wall of the vehicle body, and the cutting blade can move on the cutting blade sliding rod.
3. The stone sealer vehicle as claimed in claim 1, wherein said longitudinal rib preparing means is comprised of a longitudinal rib stock roll, a longitudinal rib fixing clip, a longitudinal rib movable blade means, and a mouth-shaped chute provided in both side walls of the vehicle body; the longitudinal rib fixing clamps are arranged in the mouth-shaped sliding grooves, can be opened and closed and can move along the mouth-shaped sliding grooves; the longitudinal rib movable blade device is composed of transverse rib movable blades and transverse rib movable blade sliding rods, the longitudinal rib movable blade sliding rods are horizontally erected in the vehicle body, the longitudinal rib movable blades are slidably installed on the transverse rib movable blade sliding rods, and a plurality of groups of longitudinal rib movable blade devices are arranged side by side at equal intervals.
4. The chip sealer vehicle as claimed in claim 1, wherein said high temperature fixing means is composed of rubber integrated double wheel, high temperature electric iron telescopic rod, and double wheel runner provided on both side walls of the vehicle body; the rubber integration double wheels are arranged in the double-wheel sliding grooves; the high-temperature electric soldering iron consists of an upper high-temperature electric soldering iron and a lower high-temperature electric soldering iron; the high-temperature electric soldering iron telescopic rod consists of an upper high-temperature electric soldering iron telescopic rod and a lower high-temperature electric soldering iron telescopic rod; the high-temperature electric soldering iron is connected with a high-temperature electric soldering iron telescopic rod, the high-temperature electric soldering iron telescopic rod located above is fixed to the top surface of the carriage, and the fixed cylinder telescopic rod located below is fixed to the bottom surface of the carriage.
5. The chip sealer vehicle according to claim 1, wherein an electromagnetic heating device is installed in the asphalt tank, and an asphalt nozzle is installed below the asphalt tank.
6. The use method of the chip sealer vehicle according to any one of claims 1 to 5, comprising the steps of:
s1: determining the mesh size, preparing a geogrid-added composite rut plate test piece, testing the interlaminar shear strength of the test piece, and comprehensively determining the mesh size of the geogrid according to the interlaminar shear performance of the test piece and the traffic load grade of a road;
s2: in the field construction, the transverse rib preparation device, the longitudinal rib preparation device and the high-temperature fixing device are matched to work to prepare the geogrid and pave the geogrid, the asphalt tank sprays asphalt, and the aggregate tank sprays aggregate to pave the gravel seal.
7. The method of using a rock sealer vehicle as claimed in claim 6, wherein said step S1, mesh size determination comprises the steps of:
s1-1: forming six cement stabilized macadam base course rut plates, then placing the formed six cement stabilized macadam base course rut plates into six self-made grinding tools, wherein the grinding tools can be disassembled, the size is 300mm x 100mm, and the surface of the cement stabilized macadam base course rut plates are cleaned by using a brush to ensure that the surface of the base course is clean and pollution-free;
s1-2: cutting geogrids with different meshes to 300mm × 300mm, wherein the mesh size can be 1cm × 1cm, 2cm × 2cm, 3cm × 3cm, 4cm × 4cm and 5cm × 5cm, respectively placing the geogrids on five cement-stabilized macadam foundation rut plates, and simultaneously setting a control group without adding the geogrids; adding asphalt and aggregate to the rut plates according to a reconstruction scheme, uniformly paving the rut plates with the aggregate, and rolling for 3-4 times by using a rut tester after the asphalt and the aggregate are put into the rut plates once to obtain five geogrid-added composite rut plates and a control group composite rut plate;
s1-3: drilling six composite rut plates with the diameter of 10cm, numbering test pieces obtained by drilling the composite rut plates of a control group as test piece 0, numbering test pieces obtained by drilling five geogrid composite rut plates as test pieces 1,2,3,4 and 5, performing experiments by using a pavement shear apparatus, wherein the interlaminar shear strength and the maximum shear failure load of the test piece 0 are tau respectively0、Q0The interlaminar shear strength and the maximum shear failure load of test pieces 1,2,3,4,5 are τ1、τ2、τ3、τ4、τ5、Q1、Q2、Q3、Q4、Q5Calculating the interlaminar shear strength of all test pieces by a formula 1;
τi=Qi0,1,2,3,4,5 formula 1
Wherein, tauiIs interlaminar shear strength (Mpa), QiThe maximum shear failure load (N) and the effective shear area (mm)2);
S1-4: picking out the interlaminar shear strength of more than or equal to tau0All corresponding test pieces are qualified test pieces, the geogrid size corresponding to the qualified test pieces is a qualified size, the traffic volume of a large bus and a large truck is accumulated according to the design lanes within the design service life of the road, and the traffic load grades of the road are obtained and are divided into five traffic load grades of extremely heavy, extra heavy, medium and light traffic load grades; the extremely heavy and extra heavy traffic grades adopt the minimum mesh size in the qualified sizes, the heavy traffic grades adopt the secondary small mesh size in the qualified sizes, and the medium and light traffic grades adopt the secondary small mesh size in the qualified sizes, so that the spacing of the geogrids is determined to be z (cm) x z (cm).
8. The method for using a rock-sealer vehicle as claimed in claim 6, wherein in step S2, the site construction comprises the following steps:
s2-1: the method comprises the following steps that when a vehicle is driven to a construction site, a geogrid transverse rib coiled material raw material is placed on a transverse rib raw material roller, a geogrid longitudinal rib coiled material raw material is placed on a longitudinal rib raw material roller, the geogrid transverse rib coiled material raw material is placed between two front-end rubber wheels, the two front-end rubber wheels start to rotate to drive the transverse rib raw material roller to rotate and continuously discharge materials, a transverse rib movable blade sliding double rod runs to the lower end point of a sliding double rod sliding groove along the sliding double rod sliding groove, the geogrid raw material enters the middle rubber double wheel and then enters the rear rubber double wheel, the transverse rib movable blade sliding double rod rises along the sliding double rod sliding groove to start cutting the raw material, and the required number of the transverse rib movable blades is as shown in a formula 2; cutting the uncut part of the raw material by a cutting blade along a sliding rod, wherein the front upper transverse rib lapping ring sliding rod and the front lower transverse rib lapping ring sliding rod are positioned at the position close to the middle point of an I-shaped sliding chute, the rear upper transverse rib lapping ring sliding rod and the rear lower transverse rib lapping ring sliding rod are positioned at the position close to the middle end of a U-shaped sliding chute, the distance between the rear upper transverse rib lapping rings is 2x, the distance between the rear lower transverse rib lapping rings is 2x, the horizontal distance between two adjacent rear upper transverse rib lapping rings and the rear lower transverse rib lapping rings is x, the calculation of x is shown as a formula 3, the cut raw material becomes a transverse rib, the transverse rib passes through the front upper transverse rib lapping ring and the front lower transverse rib lapping ring to enter the rear upper transverse rib lapping ring and the rear lower transverse rib lapping ring, a telescopic rod of the baffle plate is stretched at the moment, the transverse rib is fixed by a fixed baffle plate, the front upper transverse rib lapping ring sliding rod is raised, the front lower transverse rib lapping ring sliding rod is lowered, the rear upper transverse rib lapping ring sliding rod is lowered, the rear transverse rib lapping ring is lowered, and the transverse rib lapping ring is positioned at the rear lower transverse rib lapping ring, The rear lower transverse rib loop-lapping sliding rods respectively move two ends of the U-shaped sliding groove;
Figure FDA0003387973980000051
wherein w is the required number of the movable transverse rib blades; l is the width (cm) of the raw material of the geogrid transverse rib coiled material; n is the transverse rib width (cm), typically 1-3 cm;
x is n + z formula 3
Wherein z is the mesh size (cm) of the geogrid;
s2-2: the method comprises the following steps that a plurality of groups of longitudinal rib fixing clamps clamp raw materials of the geogrid longitudinal rib coiled material to be horizontally arranged, longitudinal rib movable blade devices are started to cut the geogrid longitudinal rib raw materials, the width of a longitudinal rib is the same as the distance between the longitudinal rib movable blade devices, as shown in a formula 3, after cutting is completed, each group of longitudinal rib fixing clamps clamp one longitudinal rib, the longitudinal rib moves to the right end point of a mouth-shaped sliding groove along the mouth-shaped sliding groove, and the time difference of reaching the right end point of the mouth-shaped sliding groove by each group of longitudinal rib fixing clamps is shown in the formula 3;
Figure FDA0003387973980000052
wherein t is the time difference(s) from each group of longitudinal rib fixing clamps to the point G; m is the longitudinal rib width (cm), typically 1-3 cm; z is the mesh size (cm) of the geogrid; t is the rotation period(s) of the rubber integrated double wheel; r is the radius (cm) of the rubber integrated double wheel;
s2-3: the rubber integration double wheels are positioned at the upper end point and the lower end point of the double-wheel sliding groove, the rubber integration double wheels move to the position close to the middle point of the double-wheel sliding groove along the sliding groove, the transverse ribs and the longitudinal ribs penetrate through the rubber integration double wheels, the telescopic rod of the high-temperature electric soldering iron moves in a reciprocating mode, the intersection of the transverse ribs and the longitudinal ribs is heated and bonded by using the high-temperature electric soldering iron, the geogrid is prepared, the geogrid is discharged from the outlet of the geogrid to be paved, and hot asphalt can be sprayed out from an asphalt nozzle to bond the geogrid and a roadbed;
s2-4: the asphalt is sprayed out from the asphalt nozzle, the aggregate is poured out from the aggregate outlet, and the gravel seal is paved.
CN202111456882.9A 2021-12-01 2021-12-01 Gravel seal vehicle and using method thereof Active CN114108424B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111456882.9A CN114108424B (en) 2021-12-01 2021-12-01 Gravel seal vehicle and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111456882.9A CN114108424B (en) 2021-12-01 2021-12-01 Gravel seal vehicle and using method thereof

Publications (2)

Publication Number Publication Date
CN114108424A true CN114108424A (en) 2022-03-01
CN114108424B CN114108424B (en) 2022-09-13

Family

ID=80369554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111456882.9A Active CN114108424B (en) 2021-12-01 2021-12-01 Gravel seal vehicle and using method thereof

Country Status (1)

Country Link
CN (1) CN114108424B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115219377A (en) * 2022-07-25 2022-10-21 山东大学 Test device and method for pre-estimating coverage rate of broken stone

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105354A (en) * 1977-04-27 1978-08-08 Bradshaw Bowman Pattern forming wheel for uncured concrete surfaces
CN101029468A (en) * 2007-03-26 2007-09-05 长安大学 Synchronizing breakstone sealer
CN109537407A (en) * 2018-12-03 2019-03-29 江苏东道交通科技集团有限公司 The flusher and synchronous macadam seal paver of synchronous macadam seal paver
CN112626952A (en) * 2020-12-02 2021-04-09 山东大学 Rib belt nested geogrid for pile net structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105354A (en) * 1977-04-27 1978-08-08 Bradshaw Bowman Pattern forming wheel for uncured concrete surfaces
CN101029468A (en) * 2007-03-26 2007-09-05 长安大学 Synchronizing breakstone sealer
CN109537407A (en) * 2018-12-03 2019-03-29 江苏东道交通科技集团有限公司 The flusher and synchronous macadam seal paver of synchronous macadam seal paver
CN112626952A (en) * 2020-12-02 2021-04-09 山东大学 Rib belt nested geogrid for pile net structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115219377A (en) * 2022-07-25 2022-10-21 山东大学 Test device and method for pre-estimating coverage rate of broken stone
CN115219377B (en) * 2022-07-25 2024-06-11 山东大学 Test device and method for estimated broken stone coverage rate

Also Published As

Publication number Publication date
CN114108424B (en) 2022-09-13

Similar Documents

Publication Publication Date Title
CN114108424B (en) Gravel seal vehicle and using method thereof
CN202175897U (en) Road surface glass fiber reinforcing sub-seal layer structure
CN104846740A (en) Large-span steel box beam bridge deck pavement layer material gradient structure pavement construction method
CN109403183B (en) Detachable movable ice-like and true ice field ground structure
CN102433817B (en) Composite waterproof adhesive layer and preparation method thereof
CN106948235A (en) A kind of bituminous paving interlayer construction method
CN205276085U (en) Novel preventative maintenance bituminous pavement structure layer
CN205368983U (en) A mill to dig and spray stirring receipts material integrated device for heating on milling machine
CN107447620A (en) A kind of penetrated asphalt pavement and its construction method
CN102352596A (en) Thermal regeneration repairing method for deep tracks on asphalt pavement
CN111455770A (en) Asphalt pavement splicing structure based on recycled materials and construction method thereof
CN110273337A (en) Asphalt roads construction method
CN114876117A (en) Multi-gradient planting roof structure and construction method thereof
CN211395251U (en) Ground grit laying device for cement road construction
CN103233405A (en) Old-new bituminous pavement binder course and application thereof
CN206784100U (en) A kind of bituminous paving interlayer structure
CN106894323A (en) A kind of maintenance of surface construction equipment and synchronous maintenance construction technique
CN114016430B (en) Asphalt concrete bridge deck pavement method
CN102330401A (en) Cement concrete road slab joint joint-expansion-free refilling process
CN110273340B (en) Construction method of municipal road
CN105755927A (en) Method for constructing road surfaces
CN205443886U (en) Bituminous paving heats milling machine
CN211171471U (en) High-performance steel slag pavement
CN203768755U (en) Automatic-cleaning subgrade pavement structure
US20080124172A1 (en) Joint cutter

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A gravel sealing vehicle and its usage method

Effective date of registration: 20231115

Granted publication date: 20220913

Pledgee: Sihong Hongyuan Public Assets Management Co.,Ltd.

Pledgor: Sihong County Urban Construction Investment Management Group Co.,Ltd.

Registration number: Y2023320000608