CN109577149A

CN109577149A - Curb stone paving process and paver

Info

Publication number: CN109577149A
Application number: CN201811465421.6A
Authority: CN
Inventors: 周峻宇
Original assignee: Individual
Current assignee: Chuzhou Hongtu Construction Co ltd
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-04-05
Anticipated expiration: 2038-12-03
Also published as: CN112501996B; CN109577149B; CN112501996A

Abstract

A kerbstone paving process and a paver, 1) stirring to obtain concrete, 2) paving a layer of single graded broken stone on a kerbstone paving surface, wherein the particle size range of the broken stone is 26.5-37.5mm, the width of a broken stone paving layer is smaller than that of the kerbstone, the broken stone paving layer is positioned in the middle of the bottom surface of the kerbstone, and the difference between the width of the broken stone paving layer and the width of the kerbstone is 60-200 mm; 3) adding single graded broken stone into the concrete layer while spreading concrete on the broken stone spreading layer, wherein the broken stone is accumulated in the longitudinal direction of the curb, the distance between the highest point and the top surface of the curb is 30-50mm, and the particle size range of the longitudinally accumulated broken stone is 16-37.5 mm; 4) the maximum width of the crushed stone longitudinally accumulated is not more than 2/3 of the width of the kerbstone, and the lower limit of the distance between the two ends of the crushed stone and the side surface of the kerbstone is 30 mm; 5) the longitudinally piled macadam is mixed with fresh concrete in an extruding mode. The process can effectively improve the freeze-thaw cycle resistance of the kerbstone and reduce the dosage of the cementing material.

Description

A kind of kerbstone Paving Techniques and paver

Technical field

The present invention relates to kerbstone Paving Techniques and the equipment for realizing the Paving Techniques.

Background technique

During kerbstone paves, the concrete used is usually dry concrete, in order to guarantee molding effect, slump control That makes is very low, and plasticity is poor, and the rear surface that paves cavity is more, and interior porosity is also high.Freeze thawing resistance in the north, this kerbstone follows For the performance of ring with regard to excessively poor, service life is short, needs running check and maintenance, and the cost in later period is very high.

However, to ensure that concrete deformation amount is very small after mold molding, have to be applicable in dry concrete, Because if the slump is big, although concrete vibration air exhaust effect is good, it is easier to closely knit, after mold molding, deflection is big, It is easy to appear the crack of internal large area.

Porosity is controlled, using existing technique, there are certainly an optimal values, such as the use of the slump are 20mm When concrete, vibration frequency, travel speed, the parameters such as inlet amount can obtain an optimal value by cooperation, but this is most The effect of the upper limit of the figure of merit, the freeze thawing resistance circulation of kerbstone obtained is still poor.The performance change of concrete clearly, especially It is the working performance of fresh concrete, and fluctuation is very big, it is difficult to ensure that the stabilization of each parameter, and it is optimal in order to obtain this Value, control difficulty is very high, is typically only capable to the guarantee being to try to and stablizes in some average range, is unable to reach theoretical value.

Summary of the invention

The purpose of the present invention is to provide it is a kind of using inductile or plastic concrete carry out technique that kerbstone paves and The equipment for realizing the technique.

A kind of kerbstone Paving Techniques, comprising the following steps:

1) stirring to obtain concrete, it is characterised in that:

2) one layer of single graded broken stone is spilt on the kerbstone face upper berth that paves, ballast grain sizes range is 26.5-37.5mm；

3) plastotype is carried out to concrete using mold, while spread concrete on rubble paving layer in concrete layer The rubble of single gradation is added, rubble is accumulated on kerbstone longitudinal direction, and the distance between highest point and kerbstone top surface are in 30- 50mm, the ballast grain sizes range 16-37.5mm longitudinally accumulated；The maximum width that rubble is longitudinally accumulated is no more than kerbstone width 2/3, the distance between both ends and curb flanks lower limit are 30mm；The rubble longitudinally accumulated by way of extruding with newly mix it is mixed Solidifying soil mixing.

Further, the width of rubble paving layer is less than kerbstone width, and rubble paving layer is located in the middle part of kerbstone bottom surface, And the difference of the width of rubble paving layer and kerbstone width is in 60-200mm.

Preferably, the ballast grain sizes that the rubble paving layer uses are greater than the partial size for longitudinally accumulating the rubble used.

Preferably, the slump of the concrete is within the scope of 10-150mm.

Further, the width of rubble paving layer is not less than kerbstone width, and the width and kerbstone of rubble paving layer The difference of width is within the scope of 0-50mm.

Layer of glass fiber grid is laid on the rubble paving layer, glass fiber grid aperture is rubble paving layer ballast grain sizes 1.5-2 again.

A kind of paver, including car body, fixing mould on car body, which is characterized in that mold includes the shell of cuboid, Housing forward end top fixing concrete lower hopper, fixed bulk material device below the rear side of lower hopper in shell, for dispersing coagulation Soil；

Fixed insertion type vibrator in shell, vibrator are located at the rear of bulk material device；

In shell, in the fixed-type baffle group in the rear of vibrator, forming baffle group includes inclined plate, flat clamp, and Two vertical symmetrically arranged side plastotype plates, the front edge of board that baroclines are fixed, side higher than rear end with housing sidewall vertical seal Plastotype plate includes arc diversion division and planar portions, and arc water conservancy diversion cross section is arc, and front and housing sidewall sealing are fixed Connection, and the bottom edge sealing of vertex and inclined plate connects, planar portions are located at the rear of the vacant side of diversion division, flat with housing sidewall Row, the gap between planar portions and housing sidewall are not less than 30mm, and flat clamp is horizontally disposed, the back sealing of front and inclined plate Connection, and bottom surface and the top of side plastotype plate are tightly connected；

In the fixed floating device in the rear of molding baffle group in shell, for smoothing out the top surface of concrete；

Housing forward end fixes a rubble lower hopper, and the bottom end of rubble lower hopper is connected to rubble limiting slot, rubble limit Slot extends to the back-end from housing forward end, the fixed limit plate in the front end of rubble limiting slot, broken for limiting the thickness of rubble paving layer The height of stone limiting slot is less than the height of side plastotype plate, the gap between less than two side plastotype plate planar portions of width, and two For the sum of horizontal clearance between side and the planar portions closed within the scope of 60-200mm, the rear end of rubble limiting slot is located at two sides In the corresponding horizontal position of arc diversion division of plastotype plate, rubble limit groove sidewall is led by inclined plate and inner walls and arc Stream portion is tightly connected；

Rubble blanking channel, rubble blanking channel, including the feed hopper being located at outside shell, feed hopper bottom end are fixed on shell It is connected to the blanking box that cross section is rectangle, blanking box passes through inclined plate and protrudes into the space below inclined plate, and blanking box bottom is vertical Section is right-angled trapezium, and bottom is long to be less than upper bottom, and it is blanking angle at bevel edge that bevel edge, which is located at rear side, and blanking angle top is solid Material inclined plate is fixed, the remaining end of blanking swash plate chamber is directed obliquely downwards towards in front of blanking box, and blanking inclined plate bottom end is higher than the top of bevel edge, Fixed guide inclined plate in front of blanking angle, guiding inclined plate front end are fixed with blanking box antetheca, and bottom end is fixed with blanking box bottom wall, under Expect that the bottom end of angle is concordant with the bottom end of limit plate, top is lower than flat clamp, longitudinal height difference between top and flat clamp 30-50mm。

Further, mold and the fixed metal tube of car body connecting side, metal tube is interior to fill continuous grading rubble, and porosity is not Less than 10%, metal tube is fixedly connected with the vehicle body by metal connecting piece.

Further, fixed pressure-bearing blanking inclined plate, pressure-bearing blanking that is adjacent and being located above are oblique inside rubble lower hopper Above the upper face of the underlying pressure-bearing inclined plate in the vacant end of plate, and it is directed toward the upper face of underlying pressure-bearing inclined plate.

A kind of paver, which is characterized in that including car body, fixing mould on car body, mold includes the shell of cuboid, Housing forward end top fixing concrete lower hopper, fixed bulk material device below the rear side of lower hopper in shell, for dispersing coagulation Soil；

Housing forward end fixes a rubble lower hopper, and the bottom end of rubble lower hopper is connected to rubble limiting slot, rubble limit Slot extends to the back-end from housing forward end, the fixed limit plate in the front end of rubble limiting slot, broken for limiting the thickness of rubble paving layer The height of stone limiting slot is the rectilinear clearance between 1.5-1.8 times of ballast grain sizes, between not less than two side moulding plates of width The rear end of distance, rubble limiting slot is located in the corresponding horizontal position of arc diversion division of two side plastotype plates, rubble limiting slot Side wall is tightly connected by inclined plate and inner walls and arc diversion division；Vibrator bottom end lengthwise position is higher than rubble limiting slot The lengthwise position on top；A glass fiber grid guiding axis is fixed above rubble limit front of the slot；

Rubble blanking channel, rubble blanking channel, including the feed hopper being located at outside shell, feed hopper bottom end are fixed on shell It is connected to the blanking box that cross section is rectangle, blanking box passes through inclined plate and protrudes into the space below inclined plate, and blanking box bottom is vertical Section is right-angled trapezium, and bottom is long to be less than upper bottom, and it is blanking angle at bevel edge that bevel edge, which is located at rear side, and blanking angle top is solid Material inclined plate is fixed, the remaining end of blanking swash plate chamber is directed obliquely downwards towards in front of blanking box, and blanking inclined plate bottom end is higher than the top of bevel edge, Fixed guide inclined plate in front of blanking angle, guiding inclined plate front end are fixed with blanking box antetheca, and bottom end is fixed with blanking box bottom wall, under Expect that the bottom end of angle is concordant with the bottom end of limit plate, top is lower than flat clamp, longitudinal height difference between top and flat clamp 30-50mm.The beneficial effects of the present invention are forming interlocking skeleton in fresh concrete using single graded broken stone can have The deformation of the limitation concrete of effect.Make to pave and is able to use the higher concrete of the slump.And then decline difficulty of construction, it improves Construction efficiency.

Simultaneously as increasing the rubble of single gradation in kerbstone, and ballast grain sizes are larger, can effectively reduce The dosage of concrete, to reduce cost.

Furthermore, on the one hand, the addition of single graded broken stone reduces concrete amount, is brought into reduce by concrete Pore volume improve the ability of its freeze thawing resistance circulation to effectively reduce concrete pore rate.On the other hand, due to using Interlocking skeleton, can be constructed using the higher concrete of the slump, since concrete workability is higher, vibrate final vacuum Effect is higher, and compactness is higher, and whole porosity is lower, also can effectively improve the ability of freeze thawing resistance circulation.

Detailed description of the invention

Fig. 1 a is Longitudinal cross section schematic in the molding kerbstone of present invention process.

Fig. 1 b is Longitudinal cross section schematic in the molding kerbstone of present invention process.

Fig. 1 c is Longitudinal cross section schematic in the molding kerbstone of present invention process.

Fig. 2 is paver mold structure diagram of the present invention.

Fig. 3 is rubble limiting slot and concrete side plastotype plate fit structure top view.

Fig. 4 is rubble limiting slot and concrete side plastotype plate fit structure left view.

Fig. 5 is rubble blanking channel structural schematic diagram.

Fig. 6 is the A-A direction view of Fig. 5.

Fig. 7 is rubble blanking channel operation schematic diagram.

Fig. 8 is mold attachment structure schematic diagram.

Fig. 9 is the structural schematic diagram with guiding axis.

Figure 10 is that glass fiber grid and rubble paving layer cooperate schematic diagram.

Figure 11 is glass fiber grid schematic diagram in permeable road kerb.

Specific embodiment

Invention is described in detail with reference to the accompanying drawing.

As illustrated in figures la-c, a kind of kerbstone Paving Techniques, comprising the following steps:

1: stirring to obtain concrete；

2, one layer of single graded broken stone is spilt on the kerbstone face upper berth that paves, ballast grain sizes range is 26.5-37.5mm, rubble The width of paving layer is less than kerbstone width, and rubble paving layer is located in the middle part of kerbstone bottom surface, and the width of rubble paving layer and The difference of kerbstone width is in 60-200mm；

3, the rubble of single gradation is added in concrete layer while spread concrete on rubble paving layer, rubble exists Kerbstone is accumulated on longitudinal direction, and the distance between highest point and kerbstone top surface are in 30-50mm, the ballast grain sizes range longitudinally accumulated 16-37.5mm；

The maximum width that rubble is longitudinally accumulated be not more than kerbstone width 2/3, between both ends and curb flanks away from It is 30mm from lower limit；

The rubble longitudinally accumulated is mixed by way of extruding with fresh concrete.The mode of extruding has very much, refers mainly to Be in rubble insertion concrete or concrete from two sides of rubble to centre squeezes package concrete, or from the side of rubble It is squeezed to opposite side and wrapped concrete.This extruding mixing is preferably operated by mold, and certainly, manual operations also can It completes.

The particle size range national standard and professional standard of macadam gradating have relevant regulations, generally since 4.75mm, 4.75- 9.5-16-26.5-31.5-37.5 these sections.The rubble in single section is known as single graded broken stone.

For single graded broken stone in natural packing, porosity is larger, can quickly mix with fresh concrete.Pass through extruding Mode the porosity that will increase concrete is mixed not with concrete because the gap between the rubble of single gradation is big, coagulation Mortar in soil can effectively be filled these gaps.

For the particle size range of the rubble of rubble paving layer between 26.5-37.5, it is two that this range, which includes two grades, Maximum grade.Rubble directly with ground face contact, paves naturally, and for concrete from pressing downwardly over, making concrete includes rubble.It is vertical To accumulation rubble above the rubble that paves, with pave rubble formed kerbstone inside interlocking skeleton.Fresh concrete, especially It is inductile concrete (slump 50-90mm), even plastic concrete (100-150mm) has becoming for downward flow deformation Gesture.If not having interlocking skeleton, the mortar in concrete will drive coarse aggregate and flow together, so as to cause deformation.But due to The interlocking of skeleton, and be adhered to each other between rubble and concrete by the tension of molecular separating force and water, so as to have The prevention fresh concrete of effect flows downward, to keep its forming shape.Certainly, concrete flowability is bigger, longitudinal to accumulate Rubble accumulation width increase accordingly, with ensure kerbstone molded appearance stablize.

Therefore, coagulation can effectively be limited by forming interlocking skeleton in fresh concrete using single graded broken stone The deformation of soil.Make to pave and is able to use the higher concrete of the slump.And then decline difficulty of construction, improve construction efficiency.

There are many selections for the vertical sectional shape of interlocking skeleton, and inverted T shaped and triangle (Fig. 1 c), inverted T shaped includes two kinds, a kind of Longitudinal accumulation rubble longitudinal section is linear (Fig. 1 a), and another longitudinal accumulation rubble longitudinal section is rectangle (Fig. 1 b), and difference exists In the quantity of rubble in the longitudinally horizontal direction of accumulation rubble, threadiness is a rubble, and rectangle is multiple rubbles.

Using identical C30 concrete, slump 80mm, control group uses prior art straight forming, and experimental group exists Inverted T shaped interlocking skeleton is added in kerbstone, molded appearance does not have significant difference to carry out compression test and 50 after molding 28 days Secondary freezing and thawing test.Compression strength is as a result, control group intensity is 31.8Mpa, experimental group 37.5Mpa.By 50 freeze thawing After circulation, control group strength retrogression 31.32%, experimental group strength retrogression only 11.22%.It can be seen that the effect of its freeze thawing resistance circulation Highly significant.

Permeable road kerb paves:

Other than the common kerbstone that paves, it is contemplated that in urban storm weather, usually ponding, kerbstone virtually rise road The barricade that obstruction rainwater is flowed to greenbelt or roadside slope is arrived.Therefore, rubble paving layer is paved into pervious concrete layer, Rubble paving layer only has one layer of rubble.In view of intensity and rubble pave layer porosity the problem of, be laid on rubble paving layer On the one hand layer of glass fiber grid, glass fiber grid can effectively limit the movement of rubble paving layer medium stone, guarantee upper part with Concrete is in close contact, it is ensured that setting strength, on the other hand, glass fiber grid can limit mortar inflow rubble in concrete and pave The middle and lower part of layer, so that it is guaranteed that the permeable effect of rubble paving layer.Such as Figure 10-11.

In order to guarantee effect, the grid aperture of glass fiber grid is 1.5-2 times of ballast grain sizes, and the width of glass fiber grid is slightly smaller In the width of rubble paving layer.The width differential of the width of glass fiber grid and rubble paving layer is again within the scope of 5-10mm.Its aperture The reason bigger than ballast grain sizes is in order to allow it that can have more part to cover in rubble middle and upper part, together by rubble limitation.Together When, large aperture can guarantee that rubble paving layer top surface comes into full contact with concrete, it is ensured that intensity.

Certainly, in order to ensure the intensity of kerbstone and durability, rice hull ash is sprayed on the upper surface of rubble paving layer Or silicon ash slurry, ratio of mud 0.46--0.63 allow slurries to have certain viscosity, while having both biggish mobility, portion big as far as possible Divide the upper surface for being attached on rubble paving layer, form a thin layer, on the one hand increases the amount of cementitious material, on the other hand provide The water of enough aquations.It is contacted with concrete, and the bonding that can be effectively improved between rubble paving layer and concrete is strong Degree.

Although in rice hull ash and silicon ash effective component also can voluntarily aquation, flow to the portion of rubble paving layer middle and lower part Point, on the one hand lack the support of the sand of continuous grading, on the other hand its hydration rate is slow, therefore, is easy to be lost, permeable to the later period Effect does not influence substantially.

Environmentally friendly kerbstone paves:

The rubble longitudinally accumulated can be used as such as queen closer and breaking concrete for common building waste.It will building Rubbish wraps up in route kerb, plays the role of handling rubbish.Certainly, it in order to ensure intensity, is sprayed on building waste surface, or Building waste is totally immersed into rice hull ash slurries and then the rubble that is re-used as longitudinally accumulating is used for kerbstone and paves.Rice husk mortar The ratio of mud of liquid is between 0.5-0.8.

The design of paver structure:

Paver using mold direction of travel as front, with the longitudinal top of mold be it is upper, corresponding is rear and lower section.

As illustrated in figs. 2 through 8, a kind of paver for realizing above-mentioned Paving Techniques, including car body, fixing mould 10 on car body, It is characterized in that, shell of the mold 10 including cuboid, housing forward end top fixing concrete lower hopper 20, lower hopper in shell Fixed bulk material device 21 below 20 rear side, for dispersing concrete；

Bulk material device 21 is usually the fixed structure for being uniformly distributed concrete discharging, such as roller with protrusion in rotary shaft, Multiple disks or spiral flow deflector etc. with protrusion.

Fixed insertion type vibrator 30 is gone back in shell, vibrator 30 is located at the rear of bulk material device 21；

In shell, in the fixed-type baffle group 40 in the rear of vibrator 30, forming baffle group 40 includes inclined plate 41, concora crush Plate 42 and two vertical symmetrically arranged side plastotype plates 43,41 front end of inclined plate is higher than rear end, and hangs down with housing sidewall Straight sealing is fixed, and side plastotype plate 43 includes arc diversion division and planar portions, and arc water conservancy diversion cross section is arc, front and shell Body sidewall is sealedly and fixedly connected, and vertex is contacted with the bottom edge of inclined plate 41, and planar portions are located at the rear of the vacant side of diversion division, with Housing sidewall is parallel, and the gap between planar portions and housing sidewall is not less than 30mm, and flat clamp 42 is horizontally disposed, front with barocline The back of plate 41 is tightly connected, and bottom surface and the top of side plastotype plate 43 are tightly connected；

In the fixed floating device 50 in the rear of molding baffle group 40 in shell, for smoothing out the top surface of concrete；

Housing forward end fixes a rubble lower hopper 60, and the bottom end of rubble lower hopper 60 is connected to rubble limiting slot 63, broken Stone limiting slot 63 extends to the back-end from housing forward end, the fixed limit plate 62 in the front end of rubble limiting slot 63, for limiting rubble booth The thickness of laying, the height of rubble limiting slot 63 are less than the height of side plastotype plate 43, and less than two side plastotype plates 43 of width are flat Gap between face, the sum of the horizontal clearance between two sides and planar portions is within the scope of 60-200mm, rubble limiting slot 63 Rear end be located in the corresponding horizontal position of arc diversion division of two side plastotype plates 43,63 side wall of rubble limiting slot passes through inclined plate 64 are tightly connected with inner walls and arc diversion division；

Rubble enters rubble limiting slot 63 by rubble lower hopper 60, is struck off in rubble limiting slot 63 by limit plate 62 Rubble paving layer generally only spreads one layer of rubble.Between being less than between 43 planar portions of side plastotype plate due to 62 width of rubble limiting slot Gap is to guarantee that concrete can wrap rubble paving layer completely.

Rubble blanking channel 70, rubble blanking channel 70, including the feed hopper being located at outside shell, feed hopper are fixed on shell Bottom end is connected to the blanking box that cross section is rectangle, and blanking box passes through the space that inclined plate 41 protrudes into 41 lower section of inclined plate, blanking Cassette bottom portion longitudinal section is right-angled trapezium, and bottom is long to be less than upper bottom, and it is blanking angle 73, blanking at bevel edge that bevel edge, which is located at rear side, Fixed blanking inclined plate 71 above angle, the vacant end of blanking inclined plate 71 is directed obliquely downwards towards in front of blanking box, and 71 bottom of blanking inclined plate End is higher than the top of bevel edge, and fixed guide inclined plate 72 in front of blanking angle, guiding 72 front end of inclined plate is fixed with blanking box antetheca, bottom End is fixed with blanking box bottom wall, and the bottom end of blanking angle 73 is concordant with the bottom end of limit plate 62, and top is lower than flat clamp 42, longitudinal Height difference 30-50mm；

Be directed toward due to the outlet of rubble is diagonally downward that top can reserve naturally under the effect of gravity, and bottom end is being oriented to It can also be flowed out naturally under inclined plate effect, not need external force and release rubble.And rubble can be with upper and lower embedding under natural packing state Lock status is into such as concrete.The effect of blanking inclined plate 71 is to reduce top rubble to the pressure of bottom rubble, is made oblique positioned at blanking What the rubble at mouthful received is substantially directed toward outside blanking angle, to be conducive to the discharge of rubble, avoids rubble in blanking It squeezes and can not be discharged in box.

Mold is advanced forward with car body, and concrete vibrates by vibrator 30, and discharge bulk gas is gradually closely knit, tiltedly Pressing plate 41 presses concrete gradually downward, and rubble enters concrete, side plastotype plate from the blanking angle 73 of rubble blanking channel 70 43 arc diversion division applies the power for being horizontally directed to inside concrete to concrete, so squeezes concrete and rubble to realize Mixed purpose.

Since vibrator is usually high-frequency vibration, vibration can be passed by the rigid connection of mold and car body to car body It leads, causes some components especially fastener to loosen, be easy to appear failure.Therefore, it is fixed in mold 10 and car body connecting side Metal tube 11, fills continuous grading rubble in metal tube 11, and porosity is not less than 10%, metal tube 11 by metal connecting piece with Car body is fixedly connected.

Due to loading rubble in metal tube 11, rubble porosity is big, and metal tube is by conduct vibrations to rubble, and rubble is in metal Pipe internal vibration reduces the risk that fastener loosens so that the amplitude and frequency of vibration be greatly reduced.

Rubble lower hopper 60 is in order to avoid rubble accumulation, adjacent and be located at upper in the fixed pressure-bearing blanking inclined plate 61 in inside Above the upper face of the underlying pressure-bearing inclined plate 61 in vacant end of the pressure-bearing blanking inclined plate 61 of side, and it is directed toward underlying hold Press the upper face of inclined plate 61.

Permeable road kerb paver:

In order to realize paving for permeable road kerb, mold is had any different in the structure of limiting slot: housing forward end fixes one The bottom end of rubble lower hopper 60, rubble lower hopper 60 is connected to rubble limiting slot 63, rubble limiting slot 63 from housing forward end backward End extends, the fixed limit plate 62 in the front end of rubble limiting slot 63, for limiting the thickness of rubble paving layer,

The height of rubble limiting slot 63 is less than the height of side plastotype plate 43, and width is not less than two 43 planes of side plastotype plate Gap between portion, highly between 1.5-1.8 times of ballast grain sizes, the rear end of rubble limiting slot 63 is located at two side plastotype plates In the 43 corresponding horizontal position of arc diversion division, 63 side wall of rubble limiting slot is led by inclined plate 64 with inner walls and arc Stream portion is tightly connected；Vibrator bottom end lengthwise position is higher than the lengthwise position on rubble limiting slot top；Rubble limits on front of the slot A glass fiber grid guiding axis 66 is fixed by side, and glass fiber grid guiding is routed on rubble paving layer by guiding axis 66；Of course for Convenient for unreeling, one is fixedly installed in the side that rubble lower hopper 60 closes on shell and is used for the vertical slot that glass fiber grid passes through, Hull outside is fixed and unreeling shaft, and glass fiber grid is routed on rubble paving layer i.e. by vertical slot further around guiding axis 66 is crossed It can (as shown in Figure 9).In order to guarantee that permeable effect, vibrator bottom end lengthwise position are higher than the lengthwise position on rubble limiting slot top

The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All any modifications in spirit of that invention and principle, made are equal Replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. A curb stone paving process, comprising the following steps:

1) mixing and obtaining concrete, it is characterized in that:

2) Spread a layer of single-graded crushed stone on the paving surface of the curb, and the particle size of the crushed stone is 26.5-37.5mm;

3) Use a mold to shape the concrete, and add a single grade of crushed stone to the concrete layer while paving the concrete on the gravel paving layer. The distance between them is 30-50mm, and the particle size range of the longitudinally stacked gravel is 16-37.5mm; the maximum width of the longitudinally stacked gravel is not greater than 2/3 of the width of the curb, and the lower limit of the distance between the two ends and the side of the curb is 30mm; the longitudinally stacked gravel is mixed with fresh concrete by extrusion.

2. The curb stone paving process according to claim 1, wherein the width of the gravel paving layer is smaller than the width of the curb stone, the gravel paving layer is located in the middle of the bottom surface of the curb stone, and the width of the gravel paving layer is The difference with the curb width is 60-200mm.

3 . The curb stone paving process according to claim 1 , wherein the particle size of the crushed stone used for the crushed stone paving layer is larger than the particle size of the crushed stone used for vertical stacking. 4 .

4. The curb stone paving process according to any one of claims 1 to 3, wherein the slump of the concrete is in the range of 10-150 mm.

5. The curb stone paving process according to claim 1 or 2, wherein the width of the crushed stone paving layer is not less than the width of the curb stone, and the difference between the width of the crushed stone paving layer and the width of the curb stone is 0-50mm range.

A layer of glass fiber grid is laid on the crushed stone paving layer, and the aperture of the glass fiber grid is 1.5-2 times the particle size of the crushed stone paving layer.

6. A paver for realizing the curb stone paving process according to claims 1 to 4, comprising a car body, and a mold is fixed on the car body, wherein the mold comprises a cuboid shell, and the upper part of the front end of the shell is fixed Concrete lowering hopper, a bulking device is fixed under the rear side of the lowering hopper in the shell to disperse concrete;

A plug-in vibrator is fixed in the shell, and the vibrator is located behind the bulk material device;

In the casing, a forming baffle plate group is fixed behind the vibrator, and the forming baffle plate group includes a diagonal pressing plate, a flat pressing plate, and two vertically symmetrical side molding plates, the front end of the oblique pressing plate is higher than the rear end, and It is sealed and fixed vertically with the side wall of the shell. The side molding plate includes an arc-shaped guide part and a flat part. The cross-section of the arc-shaped guide part is arc-shaped, and its front edge is sealed and fixed to the side wall of the shell, and the vertex is connected to the oblique plate. The bottom edge is sealed and connected, the plane part is located behind the free side of the diversion part, parallel to the side wall of the shell, the gap between the plane part and the side wall of the shell is not less than 30mm, the flat plate is set horizontally, and the front edge is sealed with the rear edge of the oblique plate connected, and the bottom surface is sealed with the upper edge of the side molding plate;

A trowel is fixed behind the forming baffle group in the shell to smooth the top surface of the concrete;

A crushed stone lower hopper is fixed at the front end of the shell, the bottom end of the crushed stone lower hopper is connected with the crushed stone limit groove, the crushed stone limit groove extends from the front end of the shell to the rear end, and the front end of the crushed stone limit groove is fixed with a limit plate , used to limit the thickness of the gravel paving layer, the height of the gravel limit groove is smaller than the height of the side molding plate, and its width is smaller than the gap between the plane parts of the two side molding plates, and its two sides are close to the adjacent plane. The sum of the horizontal gaps between the parts is within the range of 60-200mm, the rear end of the gravel limit groove is located in the horizontal position corresponding to the arc-shaped diversion parts of the two side molding plates, and the side walls of the gravel limit groove pass through The inclined plate is sealedly connected with the inner wall of the shell and the arc guide;

The crushed stone unloading channel is fixed on the shell, and the crushed stone unloading channel includes a feeding hopper located outside the shell. The bottom end of the feeding hopper is connected with the unloading box with a rectangular cross-section, and the unloading box extends through the oblique plate. In the space below the oblique plate, the longitudinal section of the bottom of the unloading box is a right-angled trapezoid, the length of the lower bottom is shorter than that of the upper bottom, the oblique edge is located on the rear side, and the oblique edge is the oblique opening for the unloading, and the oblique plate for the unloading is fixed above the oblique opening. The free end of the blanking inclined plate is inclined downward and points to the front of the blanking box, and the bottom end of the blanking inclined plate is higher than the top of the beveled edge. , the bottom end is fixed with the bottom wall of the unloading box, the bottom end of the unloading oblique opening is flush with the bottom end of the limit plate, the top is lower than the flat plate, and the longitudinal height difference between the top and the flat plate is 30-50mm.

7. The paver according to claim 4, characterized in that, a metal pipe is fixed on the side connecting the mold and the vehicle body, the metal pipe is filled with continuously graded gravel, the porosity is not less than 10%, and the metal pipe is connected to the metal pipe through a metal connecting piece. Body fixed connection.

8 . The paver according to claim 5 , wherein a pressure-bearing blanking sloping plate is fixed inside the crushed stone lower hopper, and the free end of the adjacent and upper pressure-bearing blanking sloping plate is located in the lower bearing sloping plate. Above the upper plate surface of the swash plate, and pointing to the upper plate surface of the lower bearing swash plate.

9. A paver for realizing the curb stone paving process according to claim 5, characterized in that it comprises a car body, and a mold is fixed on the car body, wherein the mold comprises a cuboid shell, and the front end of the shell A concrete lowering hopper is fixed on the upper part, and a bulk material device is fixed on the lower part of the rear side of the lowering hopper in the shell to disperse the concrete;

A crushed stone lower hopper is fixed at the front end of the shell, the bottom end of the crushed stone lower hopper is connected with the crushed stone limit groove, the crushed stone limit groove extends from the front end of the shell to the rear end, and the front end of the crushed stone limit groove is fixed with a limit plate , used to limit the thickness of the gravel paving layer, the height of the gravel limit groove is between 1.5-1.8 times the particle size of the gravel, and the width is not less than the straight-line gap distance between the two side shaping plates. The rear end of the limit slot is located in the horizontal position corresponding to the arc-shaped diversion part of the two side molding plates, and the side wall of the crushed stone limit slot is sealedly connected with the inner wall of the shell and the arc-shaped diversion part through the inclined plate; vibrating The longitudinal position of the bottom end of the device is higher than the longitudinal position of the top of the crushed stone limit slot; a glass fiber grid guide shaft is fixed above the front end of the crushed stone limit slot;