CN109137666A - A kind of vibration damping road structure and its construction method - Google Patents

A kind of vibration damping road structure and its construction method Download PDF

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Publication number
CN109137666A
CN109137666A CN201810908266.4A CN201810908266A CN109137666A CN 109137666 A CN109137666 A CN 109137666A CN 201810908266 A CN201810908266 A CN 201810908266A CN 109137666 A CN109137666 A CN 109137666A
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CN
China
Prior art keywords
vibration damping
precast concrete
road
plate
roads plate
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Granted
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CN201810908266.4A
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Chinese (zh)
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CN109137666B (en
Inventor
黄秀光
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Tianjin Fu Ning Construction Engineering Co Ltd
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Tianjin Fu Ning Construction Engineering Co Ltd
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Priority to CN201810908266.4A priority Critical patent/CN109137666B/en
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    • 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
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/32Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • E01C7/325Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
    • 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
    • E01C11/00Details of pavings
    • 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
    • E01C3/00Foundations for pavings
    • E01C3/06Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention discloses a kind of vibration damping road structure and its construction methods, it is related to road structure and technical field of construction, it from top to bottom include asphalt mixture paving course, precast concrete roads plate and roadbed, setting is used for the vibration damping screed of vibration damping between the precast concrete roads plate and roadbed, waterproof layer is set between the vibration damping screed and roadbed, slot and plug are arranged at intervals on the side of the precast concrete roads plate, the slot forms inclined-plane and lower ending opening to the inside inclined downward of precast concrete roads plate plate body, the plug forms inclined-plane to the outside inclined downward of precast concrete roads plate plate body, the adjacent precast concrete roads plate is linked together by slot and plug.It solves the problems, such as that vibration damping road structure is easy to damage, the service life is low, can make road that there is good damping property, and Road Service Life is long, bearing capacity is good.

Description

A kind of vibration damping road structure and its construction method
Technical field
The present invention relates to road structure and technical field of construction, in particular to a kind of vibration damping road structure and its construction party Method.
Background technique
Due to itself vibration of the irregularities on road surface and vehicle motor etc., when vehicle driving can road pavement generate punching The effect of hitting, so that entire pavement structure be motivated to generate vibration, vibration is propagated around can be unfavorable to the building structure generation closed on Influence, and can also generate quadratic noise influence people work and life.Road especially inside or above the underground space The roadway travels such as road, elevated bridge paving structure, the section more demanding to vibration and noise reducing or the road that closes on important building In, need it is a kind of can effectively vibration damping, vibration isolation road structure.
In the prior art, the vibration damping on road surface is generally carried out using following methods: first is that setting vehicle itself vibration insulating system, so And this method is palliative, cannot effectively buffer the effect of the vehicular impact as caused by pavement roughness;Second is that setting tool There is the pavement structure of vibration-damping function.Existing pavement structure has a following three types: cement concrete pavement, bituminous pavement and multiple Box-like road surface.Cement concrete pavement intensity is high, stability is good, but its seam easily causes driving bounce, the purpose with vibration damping It runs counter to;Bituminous pavement has a damping property of enough intensity and height, but its warming characteristic leads to it there are tracks, difficult To cope with the demand of growing Heavy Traffic;The dominant form of composite pavement in the related technology is coagulating cement soil matrix Making asphaltic road-mix surface course on layer, the characteristics of combining both cement concrete and bituminous pavement, meet bearing capacity and The requirement of high speed traveling comfort, but its effectiveness in vibration suppression is unobvious.In addition, the structural vibration of road cannot be by subtracting above Method of slight is significantly decreased.
In the related technology, the vibration-damping function of structure is generally realized using the relatively low material of the elasticity modulus such as rubber. Such as the material of rubber is participated in road engineering using rubber grain concrete etc. to build road surface, so that the effectiveness in vibration suppression on road surface There is certain promotion, but its problem is, the structure sheaf for playing vibration-damping function is exposed in atmosphere, by temperature, water, tire mill The influence of the unfavorable factors such as damage, seriously limits its service life worked orderly;For another example cement pitch concrete road surface is adopted The road surface built with cement and emulsified asphalt collectively as the concrete of binder, due to requirement for bearing capacity, effectiveness in vibration suppression Still undesirable.
Authorization Notice No. is that the Chinese patent of CN105735081B discloses a kind of novel damping road structure, from top to bottom Including asphalt mixture paving course, precast concrete roads plate and roadbed, set between the precast concrete roads plate and roadbed The CA screed for vibration isolation is set, waterproof layer is set between the CA screed and roadbed;The CA screed and waterproof layer it Between natural separation, connected with adhesion coating between the asphalt mixture paving course and precast concrete roads plate by priming oil;It states Precast concrete roads plate is provided with the embedded bar exposed upwards in its adjacent edges, by the reinforcing bar to adjacent prefabricated mixed Solidifying dirt road road panel curvature, and accordingly weld it with adjacent precast concrete road plate.Due to adjacent pre- Concrete road plate processed is limited the relative position between adjacent precast concrete road plate by reinforcement welding, When single precast concrete road plate is vibrated, vibration can be passed to adjacent precast concrete road plate, without CA screed can be passed down to, once vibrated will cause greatly is broken at reinforcement welding, makes adjacent precast concrete road It connects and disconnects between plate, form difference in height, cause road surface cracked.
Summary of the invention
The purpose of the present invention is to provide a kind of vibration damping road structure and its construction methods, road can be made to have good Damping property, and Road Service Life is long, bearing capacity is good.
Above-mentioned purpose of the invention has the technical scheme that
A kind of vibration damping road structure, it is described from top to bottom including asphalt mixture paving course, precast concrete roads plate and roadbed Setting is used for the vibration damping screed of vibration damping between precast concrete roads plate and roadbed, sets between the vibration damping screed and roadbed Waterproof layer is set, is arranged at intervals with slot and plug on the side of the precast concrete roads plate, the slot is to concrete The inside inclined downward of native roads plate plate body forms inclined-plane and lower ending opening, and the plug is to precast concrete roads plate plate body Outside inclined downward forms inclined-plane, and the adjacent precast concrete roads plate is linked together by slot and plug.
By using above-mentioned technical proposal, connected by slot with plug between adjacent precast concrete roads plate, by In slot to the inside inclined downward shape of precast concrete roads plate plate body, plug is to the outside of precast concrete roads plate plate body Inclined downward forms inclined-plane, will form downward compacting between adjacent precast concrete roads plate, when one block of precast concrete When roads plate is vibrated, one side can be tilted down, and the other side is upward, will cause pavement cracking greatly once being tilted over, still The other side is suppressed by adjacent precast concrete roads plate, prevents the precast concrete roads plate magnitude of inclination of stress excessive, has Effect ground disperses vibration, and good damping effect extends the service life of road.
Preferably, it is convex to be provided with the cement concrete being arranged along precast concrete roads plate length direction on the roadbed Ridge, the width of the convex ridge is less than the width of precast concrete roads plate, and is located at the underface of precast concrete roads plate, institute It states vibration damping screed and waterproof layer is laid on convex ridge.
By using above-mentioned technical proposal, convex ridge is set immediately below precast concrete roads plate, by convex ridge to thereon The precast concrete roads plate of side is played a supporting role, and can prevent precast concrete roads plate is excessive to sink, when prefabricated mixed Among solidifying soil roads plate when stress, convex ridge can support precast concrete roads plate, when precast concrete roads plate two sides by When power, precast concrete roads plate can be rotated using convex ridge as rotation axis, and precast concrete roads plate is facilitated to be resetted.
Preferably, precast concrete roads plate lower surface it is opposite with convex ridge position setting it is fluted, it is described recessed Slot is separated with convex ridge by vibration damping screed and waterproof layer.
By using above-mentioned technical proposal, convex ridge is enable to be aligned cooperation with groove, mitigates precast concrete roads plate Weight increases the thickness of vibration damping screed above convex ridge, improves the damping capacity on road surface.
Preferably, the upper surface of the convex ridge be it is arc-shaped, the groove is the arc groove coaxial with convex ridge.
By using above-mentioned technical proposal, facilitates precast concrete roads plate to rotate around convex ridge, make the vibration damping above convex ridge The thickness of screed is uniform.
Preferably, the height of the convex ridge is 30mm-50mm, width 100mm-150mm.
By using above-mentioned technical proposal, the height and width of convex ridge are done appropriate smaller, can play good support Effect, while can reduce the laying depth on road surface, material is saved, cost is reduced.
Preferably, the vibration damping screed is using damping layer made of cement asphalt mortar, with a thickness of 60mm- 80mm。
By using above-mentioned technical proposal, using cement asphalt mortar layer as damping layer, top transmitting can be fully absorbed The vibrational energy to get off, in addition, being arranged cement asphalt mortar layer between roads plate and roadbed, it is thus also avoided that cement pitch sand Starch the lower defect being not enough to directly as surface material of bearing capacity.
Preferably, the asphalt mixture paving course with a thickness of 60mm-80mm, the asphalt mixture paving course and It is connected by priming oil with adhesive layer between precast concrete roads plate.
By using above-mentioned technical proposal, using asphalt concrete pavement, connect when avoiding using cement concrete pavement Pavement roughness caused by seam guarantees that road surface has good ride comfort, while it is with excellent damping property.
A kind of construction method of vibration damping road structure, steps are as follows for laying:
A. precast concrete roads plate is produced on construction ground;
B. compacting, smooth roadbed;
C. convex ridge is poured on the roadbed;
D. it is laid with waterproof layer in the roadbed and land surface, is laid with vibration damping screed on waterproof layer;
E. before the vibration damping screed curing molding, the assembled connection precast concrete road on the vibration damping screed Plate, precast concrete roads plate is opposite up and down with convex ridge, forms the middle layer being connected firmly;
F. it is laid with priming oil and adhesive layer in the precast concrete roads plate, re-lays asphalt mixture paving course, has completed Whole pavement structure.
In conclusion the invention has the following advantages:
1, it is connected by slot with plug between adjacent precast concrete roads plate of the invention, adjacent concrete dirt road It will form downward compacting between the plate of road, when one piece of precast concrete roads plate is vibrated, one side can be tilted down, separately Side is upward, will cause pavement cracking greatly once being tilted over, but the other side is suppressed by adjacent precast concrete roads plate, is prevented Only the precast concrete roads plate magnitude of inclination of stress is excessive, effectively disperses vibration, good damping effect, extends road Service life.
2, it is supported below precast concrete roads plate by convex ridge, can either prevent precast concrete roads plate from sinking excessive Pavement cracking is caused, and precast concrete roads plate can be allowed to rotate by axis of convex ridge, vibration is passed to adjacent prefabricated mixed On solidifying soil roads plate, better damping effect is played.
3, by asphalt mixture paving course, precast concrete roads plate and three layers of vibration damping screed of vibration-proof structure, make Road surface has superior damping property, enhances the bearing capacity on road surface, prolongs the service life.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of road structure of the present invention;
Fig. 2 is the attachment structure schematic diagram of precast concrete roads plate of the present invention.
In figure, 1, asphalt mixture paving course;2, precast concrete roads plate;21, slot;22, plug;23, groove;3, Roadbed;4, vibration damping screed;5, waterproof layer;6, convex ridge.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
In the description of the invention, it is to be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of description the invention and simplifies description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the present invention Limitation.
A kind of vibration damping road structure wrapped superficial layer, middle layer and cutting optimal three-layered node as shown in Fig. 1 from top to bottom Structure, wherein superficial layer is asphalt mixture paving course 1, and specifically stating asphalt mixture paving course is open-shelf range (OGFC) asphalt concrete pavement guarantees that road surface has good ride comfort, while it is with excellent damping property; Cutting optimal is the roadbed 3 below middle layer, needs to tamp the laying that middle layer can be just carried out after filling and leading up;Middle layer include by Preformed layer made of precast concrete roads plate 2 is laid with, setting is for vibration damping between precast concrete roads plate 2 and roadbed 3 Vibration damping screed 4,4 lower part of vibration damping screed are laid with waterproof layer 5;Plurality of precast concrete roads plate 2 is plugged into together, then In addition the asphalt mixture paving course 1 on upper layer and the vibration damping screed 4 of lower layer collectively constitute triple road vibration-proof structures.
As shown in Fig. 1, the upper surface of roadbed 3 has equidistantly poured several convex ridges 6, and convex ridge 6 is along precast concrete road The length direction of plate 2 is arranged, and is arranged in 2 following location directly of precast concrete roads plate, and convex ridge 6 is poured by cement concrete It forms, width is less than the width of precast concrete roads plate 2.
Waterproof layer 5 is laid on the top of roadbed 3 and convex ridge 6, is then laid with vibration damping screed 4 in the top of waterproof layer 5, Middle vibration damping screed 4 uses cement asphalt mortar, with a thickness of 80mm;It is laid with vibration damping screed 4, then by concrete dirt road Road plate 2 is layered on top, and specific precast concrete roads plate 2 is in long strip, and length direction is arranged along the extending direction of road;In advance The lower surface of concrete road plate 2 processed and the position of 6 face of convex ridge are provided with the groove 23 that Open Side Down, groove 23 and convex ridge 6 It is separated by vibration damping screed 4 and waterproof layer 5.The upper surface of convex ridge 6 be it is arc-shaped, groove 23 is also the circle that inner surface is circular arc Arc slot, and it is coaxial with convex ridge 6.
The height of convex ridge 6 is 50mm, width 100mm, the finished product waterproof of the use 0.5mm thickness of waterproof layer 5 in the present embodiment Geomembrane.
As shown in Fig. 2, precast concrete roads plate 2 is the concrete slab of strip, adjacent with a thickness of 200mm It is connected between precast concrete roads plate 2 by slot 21 and plug 22.Wherein, precast concrete roads plate 2 length direction It is intervally distributed with slot 21 and plug 22 on two sides, slot 21 is from 2 top edge of precast concrete roads plate to its inside Inclined downward, forms the groove body of lower opening, and plug 22 is the outside inclined downward shape to 2 plate body of precast concrete roads plate At inclined-plane, due to separating for slot 21, the protrusion of formation.Specifically, the width of slot 21 and plug 22 is just as slot The intilted angle in 21 bottom surfaces is identical as the angle that 22 lateral surface of plug is inclined outwardly, two adjacent precast concrete roads It is linked together between plate 2 by slot 21 and plug 22, and forms mutual downward compacting.
When being laid with vibration damping road structure, following construction method can be taken, steps are as follows for laying:
A. on construction ground produce precast concrete roads plate 2, first production mold, mold two side sheet rooms every setting to Interior, outside supporting plate, to form slot 21 and plug 22 when prefabricated;
B. using road roller compacting, smooth roadbed 3;
C. convex ridge 6 is poured on roadbed 3, convex ridge 6 is poured using mold, and the spacing between adjacent convex ridge 6 is by prefabricated mixed The width setting of solidifying soil roads plate 2;
D. it is laid with waterproof layer 5 in roadbed 3 and 6 surface of convex ridge, is laid with vibration damping screed 4 on waterproof layer 5, vibration damping screed 4 is smeared It is flat;
E. before 4 curing molding of vibration damping screed, assembled connection precast concrete roads plate 2 is carried out on vibration damping screed 4, The groove 23 and about 6 convex ridge of precast concrete roads plate 2 are opposite, form the middle layer being connected firmly;
F. it is laid with priming oil and adhesive layer on 2 surface of precast concrete roads plate, then asphalt mixture paving course 1 is layered on above And flatten, complete complete pavement structure.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

Claims (8)

1. a kind of vibration damping road structure, include from top to bottom asphalt mixture paving course (1), precast concrete roads plate (2) and Roadbed (3), setting is used for the vibration damping screed (4) of vibration damping between the precast concrete roads plate (2) and roadbed (3), described Waterproof layer (5) are set between vibration damping screed (4) and roadbed (3), it is characterised in that: the precast concrete roads plate (2) Slot (21) and plug (22) are arranged at intervals on side, the slot (21) is interior to precast concrete roads plate (2) plate body Side-lower is formed slopely inclined-plane and lower ending opening, outer side-lower of the plug (22) to precast concrete roads plate (2) plate body It is formed slopely inclined-plane, the adjacent precast concrete roads plate (2) is linked together by slot (21) and plug (22).
2. a kind of vibration damping road structure according to claim 1, it is characterised in that: be provided on the roadbed (3) along pre- The cement concrete convex ridge (6) of concrete road plate (2) length direction setting processed, the width of the convex ridge (6) are less than prefabricated mixed The width of solidifying soil roads plate (2), and it is located at the underface of precast concrete roads plate (2), the vibration damping screed (4) and waterproof Layer (5) is laid on convex ridge (6).
3. a kind of vibration damping road structure according to claim 2, it is characterised in that: the precast concrete roads plate (2) Fluted (23) are arranged in the lower surface position opposite with convex ridge (6), and the groove (23) and convex ridge (6) pass through vibration damping screed (4) it is separated with waterproof layer (5).
4. a kind of vibration damping road structure according to claim 3, it is characterised in that: the upper surface of the convex ridge (6) is circle Arc, the groove (23) are the arc grooves coaxial with convex ridge (6).
5. a kind of vibration damping road structure according to claim 4, it is characterised in that: the height of the convex ridge (6) is 30mm- 50mm, width 100mm-150mm.
6. a kind of vibration damping road structure according to claim 5, it is characterised in that: the vibration damping screed (4) is to use Damping layer made of cement asphalt mortar, with a thickness of 60mm-80mm.
7. a kind of vibration damping road structure according to claim 6, it is characterised in that: the asphalt mixture paving course (1) With a thickness of 60mm-80mm, pass through priming oil between the asphalt mixture paving course (1) and precast concrete roads plate (2) It is connected with adhesive layer.
8. according to a kind of described in any item construction methods of vibration damping road structure of claim 2-7, which is characterized in that be laid with step It is rapid as follows:
A. precast concrete roads plate (2) are produced on construction ground;
B. compacting, smooth roadbed;
C. it is poured on the roadbed (3) convex ridge (6);
D. waterproof layer (5) are laid in the roadbed (3) and convex ridge (6) surface, are laid with vibration damping screed (4) on waterproof layer (5);
E. before vibration damping screed (4) curing molding, the assembled connection precast concrete on the vibration damping screed (4) Roads plate (2), precast concrete roads plate (2) and convex ridge (6) are opposite up and down, form the middle layer being connected firmly;
F. it is laid with priming oil and adhesive layer in the precast concrete roads plate (2), re-lays asphalt mixture paving course (1), Complete complete pavement structure.
CN201810908266.4A 2018-08-10 2018-08-10 Vibration damping road structure and construction method thereof Active CN109137666B (en)

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Application Number Priority Date Filing Date Title
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CN109137666B CN109137666B (en) 2021-03-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110195402A (en) * 2019-06-27 2019-09-03 安徽劲帆建设有限公司 A kind of road rehabilitation module and its construction method
CN111809472A (en) * 2020-07-15 2020-10-23 孙亚 Different-terrain self-adaptive rapid installation road

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CN105735081A (en) * 2016-03-09 2016-07-06 广东工业大学 Novel vibration reduction road structure and construction method thereof
CN106192658A (en) * 2016-07-25 2016-12-07 江苏中路新材料科技发展有限公司 The pavement structure of traffic route
CN107386050A (en) * 2017-09-14 2017-11-24 江苏绿和环境科技有限公司 A kind of fabricated permeable sidewalk base course building block

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CN102418309A (en) * 2011-09-16 2012-04-18 贺雨田 Pavement having interlaminar embedded coordination structure
KR20150047172A (en) * 2013-10-24 2015-05-04 주식회사 누리종합기술단 The water permeable block with rain water storage and comstruction method using it
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CN111809472A (en) * 2020-07-15 2020-10-23 孙亚 Different-terrain self-adaptive rapid installation road

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