CN108867233A - A kind of municipal works road pavement structure and laying method - Google Patents
A kind of municipal works road pavement structure and laying method Download PDFInfo
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- CN108867233A CN108867233A CN201810621767.4A CN201810621767A CN108867233A CN 108867233 A CN108867233 A CN 108867233A CN 201810621767 A CN201810621767 A CN 201810621767A CN 108867233 A CN108867233 A CN 108867233A
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- layer
- connecting rod
- cement layer
- cement
- plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
- E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a kind of municipal works road pavement structure and laying methods, its drip irrigation device includes soil matrix, base is equipped with above the soil matrix, cement layer is equipped with above the base, the top of the cement layer is equipped with bitumen layer, and connecting rod is inserted in the cement layer, and the connecting rod is inserted into bitumen layer, the connecting rod is equipped with the support component for being used to support connecting rod close to the side of descending, and the support component is located in bitumen layer and cement layer.The present invention has the function of being not easy opposite slide between bitumen layer and cement layer.
Description
Technical field
The present invention relates to a kind of town roads, and more specifically it is related to a kind of municipal works road pavement structure and laying
Method.
Background technique
Common asphalt roads includes soil matrix, bed course, base and surface layer from below to up.Base the most commonly used is cement basic layer,
Surface layer is asphalt.For vehicle during the climb and fall of ramp, vehicle needs often brake to reduce speed, tire and ground
The frictional force in face is bigger to be made to generate opposing force between bitumen layer and cement layer generation, if things go on like this make bitumen layer and cement
The opposite sliding of layer is easy to produce crack, and road surface is for a long time by car load, temperature, humidity so that the two connection is no longer close
Influence, crack can be made constantly to expand, influence the service life of road occupation.
Summary of the invention
In view of the deficienciess of the prior art, there is drip the invention reside in a kind of municipal works road pavement structure is provided
The opposite function of sliding is not easy between cyan layer and cement layer.
To achieve the above object, the present invention provides following technical solutions：A kind of municipal works road pavement structure, including
Soil matrix, the soil matrix top are equipped with base, and cement layer is equipped with above the base, and the top of the cement layer is equipped with bitumen layer,
Connecting rod is inserted in the cement layer, the connecting rod is inserted into bitumen layer, and the connecting rod is equipped with close to the side of descending and is used for
The support component of supporting linkage, the support component are located in bitumen layer and cement layer.
By using above-mentioned technical proposal, connecting rod connects bitumen layer with cement layer so that bitumen layer and cement layer it
Between be not susceptible to relatively move.Mostly from top to bottom due to the power that on the slope, is arrived in connecting rod, and support component enables to connect
Extension bar receives support when by power obliquely, so that connecting rod is not easy to break, further reduced bitumen layer and water
A possibility that being relatively moved between mud layer.
The present invention is further arranged to：The connecting rod is equipped with parallel with inclined-plane insert close to the side of cement layer lower end
Slot, the support component include the lower bracer in bitumen layer and cement layer, and the top of lower bracer is equipped with sliding slot, the lower support
Tilt prop is equipped between block and connecting rod, institute's tilt prop upper end is equipped with the inserted block cooperated with slot, and the lower end of the tilt prop is set
There is the sliding block being slidably connected in sliding slot, is threaded with positioning bolt on the sliding block.
By using above-mentioned technical proposal, when support component is connect with connecting rod, before the cement of cement layer is to harden
Lower bracer and connecting rod are put into cement layer, again slide into sliding block in sliding slot after the hardening of cement of cement layer and slide diagonal brace
Plate makes inserted block be inserted into slot, and then screwed in place bolt fixes diagonal brace Board position.Change can be generated during hardening of cement
Shape is easy to cause between lower bracer and connecting rod and changes, and in above-mentioned mounting means, it can be according to lower bracer and connecting rod
Between actual range connected to slide tilt prop for lower bracer with connecting rod so that support component is easy to connect with connecting rod,
And it can prevent support component from damaging in hardening of cement deformation process.
The present invention is further arranged to：The lower end of the lower bracer is fixed with the accessory plate vertical with slope, accessory plate
Lower end is equipped with the pulling plate upwardly extended.
By using above-mentioned technical proposal, when connecting rod is by power obliquely, power can be transmitted on lower bracer, auxiliary
It is even closer that plate enables to lower bracer to connect with cement layer, so that lower bracer is difficult to slide, improves lower bracer to connecting rod
Support effect, pulling plate can be improved the anti-skidding effect of accessory plate.
The present invention is further arranged to：The tilt prop is equipped with multiple drain spouts.
By using above-mentioned technical proposal, in people's asphalt layer, pitch can fall into tilt prop by drain spout
Lower section, convenient for by bitumen layer be laid in place.
The present invention is further arranged to：The inner hollow and side wall of the connecting rod be equipped with it is multiple with connect inside connecting rod
Logical connecting hole.
By using above-mentioned technical proposal, when being laid with cement layer and bitumen layer, connecting hole enables to cement and pitch
Enter inside connecting rod so that connecting rod connect with cement layer and bitumen layer it is even closer
The present invention is further arranged to：Multiple convex blocks are fixed on the side wall of the connecting rod, the convex block is hemispherical.
By using above-mentioned technical proposal, convex block is capable of increasing the contact surface between connecting rod and bitumen layer and cement layer
Product, so that it is even closer between connecting rod and bitumen layer and cement layer, enable connecting rod preferably by bitumen layer and cement
Layer connection.
The present invention is further arranged to：The upper end of the connecting rod is fixed with connecting plate, the left and right ends of the connecting plate
It is fixed with anti-fall plate, the anti-fall plate extends obliquely to the center of connecting plate.
By using above-mentioned technical proposal, installation deceleration strip is usually required on slope, when installing deceleration strip, by deceleration strip
On bolt connect with connecting plate, and anti-fall plate can prevent connecting plate from being extracted upwards so that the deceleration strip connecting with connecting plate
Fixation is not easy to be detached from pitch layer surface.When being commonly installed deceleration strip, the bolt of deceleration strip can be squeezed into cement layer, it is existing
It need to only connect with connecting plate, reduce the depth that bolt needs to protrude into bitumen layer, so that deceleration strip installation is more convenient.
The present invention is further arranged to：The connecting plate includes central plate and the turnover panel for being rotatably connected on central plate two sides,
Limit plate is slidably connected at left and right sides of the downside of the connecting plate, the anti-fall plate is fixed on turnover panel.
By using above-mentioned technical proposal, in asphalt layer, first slip limiting plate makes it be fully located at central plate
Lower section afterwards turns over turnover panel, and pitch is enabled to be routed to the lower section of turnover panel, is convenient for people's asphalt；When the height of pitch
Close to after turnover panel, slip limiting plate afterwards turns over turnover panel and abuts with limit plate so that limit plate is stretched out from the both ends of central plate,
Then asphalt again, so that pitch reaches predetermined altitude.If central plate and deceleration band connection after the completion of laying, work as center
When plate is by upward external force, central plate can drive turnover panel to move up by limit plate, and the limitation of the anti-fall plate of turnover panel hand is not easy
It moves up, so that central plate is not easy to move up, so that deceleration strip fixation.
The present invention is further arranged to：Outlet pipe is fixed in the soil matrix, the upper end of the outlet pipe and cement layer are flat
Together, the lower end of the outlet pipe is connect with municipal drainage pipeline.
By using above-mentioned technical proposal, the infiltration ability of bitumen layer is stronger, and the lower water seeped can flow to cement in bitumen layer
Layer, is then directly discharged into municipal drain by outlet pipe, so that water should not be deposited between cement layer and bitumen layer, is prevented
Gap between cement layer and bitumen layer increasingly increases under the washing away of water flow, so that cement layer and bitumen layer are not susceptible to relatively
Displacement
The invention reside in providing a kind of municipal works road pavement method, have the bitumen layer of the slope upper track road laid out with
The opposite function of sliding is not easy between cement layer.
To achieve the above object, the present invention provides following technical solutions：By using above-mentioned technical proposal, a kind of road
Laying method, including soil matrix,
The first step：Outlet pipe is buried in soil matrix connect outlet pipe with the drainage pipeline in soil matrix；
Second step：Bed course is laid with above soil matrix；
Third step：It is laid with cement layer, connecting rod and lower bracer are embedded in cement layer before the cement of cement layer does not solidify, in water
After the theing cement solidifies of mud layer, first the sliding block of tilt prop lower end is slid into sliding slot and slides tilt prop inserted block is made to be inserted into slot
Interior, then screwed in place bolt fixes diagonal brace Board position, and then clipping outlet pipe beyond the redundance of cement layer makes it
Upper surface is concordant with cement layer；
4th step：Turnover panel is overturn, so that the space of turnover panel lower end is vacated, then asphalt layer, when the height of bitumen layer is spread
It is set to after being abutted with the lower end surface of central plate, rotates turnover panel, so that in anti-fall plate insertion pitch, then asphalt layer again,
So that bitumen layer reaches standard thickness.
By using above-mentioned technical proposal, the bitumen layer for being laid with completion is connected with cement layer by connecting rod, so that pitch
Layer and cement layer are completely embedded, and when connecting rod is by external force obliquely, lower bracer and tilt prop can to connecting rod into
Row support improves the service life of connecting rod, connecting rod is enabled to connect bitumen layer and cement for a long time so that connecting rod is hardly damaged
Layer, further such that bitumen layer and cement layer are not susceptible to relative displacement.
In conclusion the invention has the advantages that：
1. being connected bitumen layer with cement layer by connecting rod, so that bitumen layer and cement layer are completely embedded, it is not susceptible to opposite
Displacement, while when connecting rod is by external force obliquely, lower bracer and tilt prop can be supported such that company to connecting rod
Extension bar is hardly damaged, further such that bitumen layer and cement layer are not susceptible to relative displacement.
2. increasing connecting rod and bitumen layer and cement layer contact area by boss, while pitch and cement can lead to
Connecting hole is crossed to enter inside chain extension bar so that connecting rod connect with cement layer and bitumen layer it is even closer, to further increase
The effect of connecting rod connection bitumen layer and cement layer；
3. the bolt of deceleration strip can be connect with central plate when installing deceleration strip, and anti-fall plate can prevent central plate from moving up
So that being not easy to separate with bitumen layer after deceleration strip installation, so that deceleration strip fixation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the structural schematic diagram of stiffener assembly in the present embodiment；
Fig. 3 is enlarged diagram of the Fig. 2 at A；
Fig. 4 is the perspective view of the explosion of stiffener assembly in the present embodiment.
Appended drawing reference：1, soil matrix；2, bed course；3, base；4, cement layer；5, bitumen layer；6, stiffener assembly；7, connecting rod；
8, connecting hole；9, lower bracer；10, slot；11, sliding slot；12, tilt prop；13, inserted block；14, sliding block；15, positioning bolt；16, it leaks
Material mouth；17, accessory plate；18, pulling plate；19, central plate；20, turnover panel；21, limit plate；22, anti-fall plate；23, convex block；24, it is discharged
Pipe.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Present embodiment discloses a kind of municipal works road pavement structure and laying methods, as shown in Figure 1, include soil matrix 1,
The lateral surface of soil matrix 1 is inclined-plane, is equipped with bed course 2 in the top of soil matrix 1, base 3 is equipped in the top of bed course 2, in base 3
Top be equipped with cement layer 4, be equipped with bitumen layer 5 in the top of cement layer 4, between bitumen layer 5 and cement layer 4 be equipped with it is more
A stiffener assembly 6.
As shown in Figure 1 and Figure 2, stiffener assembly 6 includes the connecting rod 7 in insertion cement layer 4, the other end insertion of connecting rod 7
In bitumen layer 5, connecting rod 7 is vertical with bitumen layer 5.Connecting rod 7 connects bitumen layer 5 and cement layer 4, so that cement layer 4 and drip
Cyan layer 5 is not susceptible to relatively move.The inner hollow and side wall of connecting rod 7 are equipped with multiple with the company being connected to inside connecting rod 7
Hole 8 is connect, connecting hole 8 enables to cement and pitch to enter inside connecting rod 7, so that connecting rod 7 and cement layer 4 and bitumen layer
5 connections are even closer.
As shown in Figure 1 and Figure 2, in the case where connecting rod 7 is equipped in lower end insertion cement layer 4 close to the side of 4 lower end of cement layer
The upper end of bracer 9, upper bracer is embedded in bitumen layer 5, and the thickness of lower bracer 9 is smaller.When bitumen layer 5 is by external force and cement layer 4
When relative motion occurs, lower bracer 9 and connecting rod 7 can hinder cement layer 4 and bitumen layer 5 to relatively move, and lower bracer 9
It is unlikely to deform when by external force along inclined-plane since thickness is smaller.
As shown in Figure 2, Figure 4 shows, it is equipped with the slot 10 parallel with inclined-plane close to the side of 4 lower end of cement layer in connecting rod 7,
The upper end of lower bracer 9 is equipped with sliding slot 11, and the section of sliding slot 11 is for swallow-tail form and perpendicular to connecting rod 7, in connecting rod 7 and lower bracer
Tilt prop 12 is equipped between 9,12 upper end of tilt prop is equipped with the inserted block 13 cooperated with slot 10, and the lower end of tilt prop 12 is equipped with sliding
The sliding block 14 in sliding slot 11 is connected, positioning bolt 15 is threaded on sliding block 14.In installation connecting rod 7,12 and of tilt prop
When lower bracer 9, it is laid with cement layer 4, it will be in connecting rod 7 and lower bracer 9 insertion cement layer 4 before the cement of cement layer 4 is unhardened；
After the hardening of cement of cement layer 4, by sliding block 14 slide into sliding slot 11 in and slide tilt prop 12 make inserted block 13 be inserted into slot 10
In, then screwed in place bolt 15 fixes 12 position of tilt prop.Lower bracer 9 and connecting rod 7 are connected by tilt prop 12,
Enable connecting rod 7 by power obliquely when support by tilt prop 12 improved oblique so that connecting rod 7 is unlikely to deform
The service life of fagging 12.
As shown in Figure 2, Figure 4 shows, multiple drain spouts 16, in people's asphalt layer 5, pitch energy are equipped on tilt prop 12
The lower section of tilt prop 12 is fallen into, by drain spout 16 enough convenient for bitumen layer 5 to be laid in place.
As shown in Figure 2, Figure 4 shows, the accessory plate 17 vertical with slope is fixed in the lower end of lower bracer 9, under accessory plate 17
End is equipped with the pulling plate 18 upwardly extended.When connecting rod 7 is by power obliquely, power can be transmitted on lower bracer 9, accessory plate 17
It enables to lower bracer 9 to connect with cement layer 4 even closer, so that lower bracer 9 is difficult to slide, improves lower bracer 9 to connecting rod 7
Support effect.
As shown in Figure 2, Figure 4 shows, it is fixed with central plate 19 in the upper end of connecting rod 7, people install deceleration on bituminous pavement
When band, bolt for fixing on deceleration strip can be squeezed into central plate 19, then be connect, made with cement layer 4 by connecting rod 7
Deceleration strip fixation, the outer surface due to central plate 19 apart from bitumen layer 5 is closer so that people when installing deceleration strip more
Add conveniently.
As shown in Figure 2, Figure 4 shows, the left and right ends of central plate 19 are rotatably connected to turnover panel 20, on a left side for the downside of connecting plate
Right two sides are slidably connected limit plate 21, and when the overturning of turnover panel 20 with limit plate 21 to when abutting, turnover panel 20 is parallel with central plate 19,
The end of turnover panel 20 connects the anti-fall plate 22 that the center of oriented central plate 19 extends.Limit can be first slided in asphalt layer 5
Plate 21 makes it be fully located at the lower section at center, overturns turnover panel 20 then up, so that pitch is easier to 20 downside of filling turnover panel；It is dripping
Close to after limit plate 21, then the both ends that limit plate 21 is stretched out central plate 19, then overturn turnover panel 20 extremely green packed height
After parallel with central plate 19, pitch is then refilled.After bitumen layer 5 has been laid with, in central plate 19 by external force by upward band
When rising, turnover panel 20 can be also pulled up by limit plate 21, and anti-fall plate 22 can prevent turnover panel 20 to be turned upward, thus
So that central plate 19 is not easy to move upwards, so that the deceleration strip fixation connecting with central plate 19.
As shown in Figure 2, Figure 4 shows, multiple convex blocks 23 are fixed on the side wall of connecting rod 7, convex block 23 can increase connecting rod 7
The compactness connected with bitumen layer 5 and cement layer 4, improving connecting rod 7 prevents bitumen layer 5 and cement layer 4 from relative displacement occurs
Effect.
As shown in Figure 2, Figure 4 shows, convex block 23 is hemispherical, so that people, in asphalt layer 5, pitch can pass through convex block
23 slide downwards fill the lower section of convex block 23, are less prone to below convex block 23 and are not filled by pitch and cause cavity occur to reduce pitch
5 firmness phenomenon of layer, are fixed with outlet pipe 24, the upper end of outlet pipe 24 is concordant with cement layer 4, outlet pipe 24 in soil matrix 1
Lower end and municipal drainage pipeline（It is not shown in the figure）Connection.The infiltration ability of bitumen layer 5 is stronger, and the water of lower infiltration flows to cement layer 4
Can be directly discharged into municipal drain by outlet pipe 24 after upper so that water be not easy to be deposited in cement layer 4 and bitumen layer 5 it
Between, prevent the gap between cement layer 4 and bitumen layer 5 from increasingly increasing under the washing away of water flow and leading to cement layer 4 and bitumen layer 5
Relative displacement occurs.
Specific laying method：It is first embedded to outlet pipe 24 in soil matrix 1, is then laid with bed course 2 and cement layer 4.In cement layer 4
Cement do not solidify before, will connecting rod 7 and lower bracer 9 insertion cement layer 4 in；After the hardening of cement of cement layer 4, by sliding block 14
Sliding into sliding slot 11 and sliding tilt prop 12 makes inserted block 13 be inserted into slot 10, and then screwed in place bolt 15 makes tilt prop 12
Position is fixed, at the same clip outlet pipe 24 beyond cement layer 4 redundance make thereon end face it is concordant with cement layer 4；Then turn
Dynamic turnover panel 20, so that after the space of 20 lower section of turnover panel is vacated, asphalt layer 5, when the height of bitumen layer 5 is routed to and central plate
After 19 lower end surface abuts, turnover panel 20 is rotated, so that anti-fall plate 22 is embedded in pitch, then asphalt layer 5 again, so that drip
Cyan layer 5 reaches standard thickness.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, all in design structure of the invention
Within think of, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of municipal works road pavement structure, including soil matrix (1), soil matrix (1) top is equipped with base (3), the base
Cement layer (4) are equipped with above layer (3), the top of the cement layer (4) is equipped with bitumen layer (5), it is characterised in that：The cement layer
(4) multiple stiffener assemblies (6) are equipped between bitumen layer (5), the stiffener assembly (6) includes the company in insertion cement layer (4)
Extension bar (7), the connecting rod (7) are inserted into bitumen layer (5), and the connecting rod (7) is equipped with the company of being used to support close to the side of descending
The support component of extension bar (7), the support component are located in bitumen layer (5) and cement layer (4).
2. a kind of municipal works road pavement structure according to claim 1, it is characterised in that：The connecting rod (7) is leaned on
The side of nearly cement layer (4) lower end is equipped with the slot (10) parallel with inclined-plane, the support component include positioned at bitumen layer (5) and
Lower bracer (9) in cement layer (4), the top of lower bracer (9) are equipped with sliding slot (11), the lower bracer (9) and connecting rod (7) it
Between be equipped with tilt prop (12), institute's tilt prop (12) upper end is equipped with the inserted block (13) that cooperates with slot (10), the tilt prop (12)
Lower end be equipped with the sliding block (14) that is slidably connected in sliding slot (11), be threaded with positioning bolt (15) on the sliding block (14).
3. a kind of municipal works road pavement structure according to claim 2, it is characterised in that：The lower bracer (9)
Lower end is fixed with the accessory plate vertical with slope (17), and the lower end of accessory plate (17) is equipped with the pulling plate (18) upwardly extended.
4. a kind of municipal works road pavement structure according to claim 3, it is characterised in that：On the tilt prop (12)
Equipped with multiple drain spouts (16).
5. a kind of municipal works road pavement structure according to claim 1, it is characterised in that：The connecting rod (7)
Inner hollow and side wall are equipped with multiple connecting holes (8) being connected to connecting rod (7) inside.
6. a kind of municipal works road pavement structure according to claim 1, it is characterised in that：The connecting rod (7)
It is fixed on side wall multiple convex blocks (23), the convex block (23) is hemispherical.
7. a kind of municipal works road pavement structure according to claim 1, it is characterised in that：The connecting rod (7)
Upper end is fixed with connecting plate, and the left and right ends of the connecting plate are fixed with anti-fall plate (22), and the anti-fall plate (22) is to connecting plate
Center extend obliquely.
8. a kind of municipal works road pavement structure according to claim 7, it is characterised in that：During the connecting plate includes
Core (19) and the turnover panel (20) for being rotatably connected on central plate (19) two sides, the left and right sides sliding of the downside of the connecting plate
It is connected with limit plate (21), the anti-fall plate (22) is fixed on turnover panel (20).
9. a kind of municipal works road pavement structure according to claim 1, it is characterised in that：It is solid in the soil matrix (1)
Surely have outlet pipe (24), the upper end of the outlet pipe (24) is concordant with cement layer (4), the lower end of the outlet pipe (24) and municipal administration
Drainage pipeline connection.
10. a kind of road pavement method, including soil matrix (1), it is characterised in that：
The first step：Outlet pipe (24) are buried in soil matrix (1) connect outlet pipe (24) with the drainage pipeline in soil matrix (1)；
Second step：Bed course (2) are laid with above soil matrix (1)；
Third step：Cement layer (4) are laid with above the bed course (2), before the cement of cement layer (4) does not solidify by connecting rod (7) and
In lower bracer (9) insertion cement layer (4), after the theing cement solidifies of cement layer (4), first by the sliding block (14) of tilt prop (12) lower end
It slides into sliding slot (11) and slides tilt prop (12) and make in inserted block (13) insertion slot (10), then screwed in place bolt (15)
So that tilt prop (12) position is fixed, then clip outlet pipe (24) beyond the redundance of cement layer (4) make thereon end face with
Cement layer (4) is concordant；
4th step：It overturns turnover panel (20), so that the space of turnover panel (20) lower end is vacated, then asphalt layer (5), work as pitch
It after the height of layer (5) is routed to and abuts with the lower end surface of central plate (19), rotates turnover panel (20), is dripped so that anti-fall plate (22) is embedded in
In blueness, then asphalt layer (5) again, so that bitumen layer (5) reaches standard thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621767.4A CN108867233B (en) | 2018-06-15 | 2018-06-15 | Municipal engineering road laying structure and method |
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|---|---|---|---|
| CN201810621767.4A CN108867233B (en) | 2018-06-15 | 2018-06-15 | Municipal engineering road laying structure and method |
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| CN108867233B CN108867233B (en) | 2020-10-16 |
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| CN109778630A (en) * | 2019-01-23 | 2019-05-21 | 温州鸿达建设有限公司 | A kind of municipal works road pavement structure |
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| CN112900299A (en) * | 2021-01-14 | 2021-06-04 | 王慧 | Highway, pavement structure and construction method of highway pavement |
| CN113403902A (en) * | 2021-06-23 | 2021-09-17 | 南京宝丽来园林景观工程有限公司 | Splicing widening structure for light soil of new and old roadbed based on assembled template |
| CN116275576A (en) * | 2023-03-17 | 2023-06-23 | 江苏库米特激光智能装备有限公司 | Multi-section type spliced lathe bed of laser cutting machine and use method |
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