CN209162565U - A kind of Heavy Traffic sub-surface - Google Patents
A kind of Heavy Traffic sub-surface Download PDFInfo
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- CN209162565U CN209162565U CN201821274334.8U CN201821274334U CN209162565U CN 209162565 U CN209162565 U CN 209162565U CN 201821274334 U CN201821274334 U CN 201821274334U CN 209162565 U CN209162565 U CN 209162565U
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Abstract
The utility model relates to infrastructure technique fields, and disclose a kind of Heavy Traffic sub-surface, including rammed earth stress layer, the top of the rammed earth stress layer is equipped with cement stabilizing bed course, the top of the rammed earth stress layer is fixedly connected with the bottom of cement stabilizing bed course, the top of the cement stabilizing bed course is equipped with stress metalling, and the top of the cement stabilizing bed course is fixedly connected with the bottom of stress metalling, and the top of the stress metalling is equipped with steel bar stress plate.The Heavy Traffic sub-surface, pass through the limit plate connected at the top of positioning plate, then two limit plates limit stress cement stabilized macadam layer and pitch floor level, when stress cement stabilized macadam layer and pitch floor level are changed by climate temperature generates expansion, two limit plates carry out sliding limit by sliding groove and locating piece, the drawbacks of expansive force causes rigidity to damage in rigid limit device is avoided, that is, can reach the effect at the flexible fixed expansion joint of sliding.
Description
Technical field
The utility model relates to infrastructure construction technical field, specially a kind of Heavy Traffic sub-surface.
Background technique
Sub-surface, be on roadbed (or bed course) surface with homogenous material according to certain technical measures layering making and
At layer structure, the quality of material and quality directly affects the quality and service performance on road surface, and base is entire road
Supporting course plays a part of to stablize road surface, and sub-surface is divided into stabilized with inorganic binder base and broken, gravel base.
During construction, majority needs to carry out roadbed expansion joint and reserves existing sub-surface, existing expansion joint
Reservation device is often fixed using rigid limit, when roadbed since climate temperature changes (heat expansion, shrinkage), generates pavement structure
Expansive force causes rigid damage to limiting device, then reduces the molding specification at expansion joint, to reduce roadbed molding
Quality.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of Heavy Traffic sub-surface, and it is flexible to have sliding
It the advantages of fixed expansion joint, solves existing expansion joint reservation device and is often fixed using rigid limit, produce pavement structure
The problem of raw expansive force causes rigid damage to limiting device, then reduces the use quality at expansion joint.
For the purpose for realizing the fixed expansion joint of above-mentioned sliding flexibility, the utility model is provided the following technical solutions: Yi Zhongchong
Carry traffic base, including rammed earth stress layer, the top of the rammed earth stress layer is equipped with cement stabilizing bed course, the rammed earth by
The top of power layer is fixedly connected with the bottom of cement stabilizing bed course, and the top of the cement stabilizing bed course is equipped with stress metalling,
The top of the cement stabilizing bed course is fixedly connected with the bottom of stress metalling, and the top of the stress metalling is equipped with stress
The top of reinforced slab, the stress metalling is fixedly connected with the bottom of steel bar stress plate, is set at the top of the steel bar stress plate
There is rubble drainage blanket, the top of the steel bar stress plate is fixedly connected with the bottom of rubble drainage blanket, the rubble draining
Locating piece is fixedly installed at the top of bed course, the inside of the locating piece offers sliding cavity, and the top of the locating piece is fixed
Positioning plate is installed, the top and bottom of the positioning plate offer sliding groove, the top movable connection of the locating piece respectively
There is limit plate, positioning plate and sliding groove and the inside for extending to limit plate are run through in the bottom end of the limit plate, the limit plate
Outside is in contact with the inner wall of sliding groove, and the top of the rubble drainage blanket is equipped with stress cement stabilized macadam layer, the rubble row
The top of water subfill and the bottom connection of stress cement stabilized macadam layer touch, and it is horizontal that the top of the stress cement stabilized macadam layer is equipped with pitch
Surface layer, the top of the stress cement stabilized macadam layer and the bottom connection of pitch floor level touch.
Preferably, the thickness value of the stress metalling and the thickness value of cement stabilizing bed course are 15 centimetres, described
The thickness value of stress metalling and cement stabilizing bed course is less than the thickness value of rubble drainage blanket, the thickness of the rubble drainage blanket
Angle value is 22 centimetres.
Preferably, the steel bar stress plate includes horizontal stiffener, the horizontal stiffener by vertical strengthening ribs with
Positioning steel cable is mutually clamped, and the horizontal stiffener is located at the lower section of vertical strengthening ribs, the inside of the vertical strengthening ribs and level
It is in contact on the outside of reinforcing rib and positioning steel cable intersection.
Preferably, the height value of the limit plate is 50 centimetres, and the front of the limit plate is equipped with graduated scale table.
Preferably, the quantity of the limit plate is two, and two limit plates are distributed with the central symmetry of positioning plate, two
A limit plate is located at the middle part of stress cement stabilized macadam layer and pitch floor level, between existing between two limit plates
Gap.
Preferably, the thickness value of the stress cement stabilized macadam layer is less than the thickness value of pitch floor level, the stress water
The thickness value of mud metalling is 25 centimetres, and the thickness value of the pitch floor level is 12 centimetres.
Compared with prior art, the utility model provides a kind of Heavy Traffic sub-surface, have it is following the utility model has the advantages that
1, the Heavy Traffic sub-surface, by the limit plate connected at the top of positioning plate, then two limit plates are to stress
Cement stabilized macadam layer and the limit of pitch floor level, produce when stress cement stabilized macadam layer and pitch floor level are changed by climate temperature
When raw expansion, two limit plates carry out sliding limit by sliding groove and locating piece, avoid expansive force to rigid limit device
The drawbacks of causing rigidity to damage can reach the effect at the flexible fixed expansion joint of sliding.
2, the Heavy Traffic sub-surface then passes through limit when carrying out flexible limit by the limit plate at the top of positioning plate
The thickness value of the positive scale value observation stress cement stabilized macadam layer of position plate, then passes through the positive scale value pair of limit plate simultaneously
The thickness value of pitch floor level is observed, to improve the standard of stress cement stabilized macadam layer and pitch floor level thickness value
True property.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model steel bar stress plate structural schematic diagram；
Fig. 3 is the flexible position limiting structure schematic diagram of the utility model.
In figure: 1, rammed earth stress layer；2, cement stabilizing bed course；3, stress metalling；4, steel bar stress plate；41, horizontal to add
Strengthening tendons；42, vertical strengthening ribs；43, steel cable is positioned；5, rubble drainage blanket；6, locating piece；7, positioning plate；8, sliding groove；9, it limits
Position plate；10, sliding cavity；11, stress cement stabilized macadam layer；12, pitch floor level.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of Heavy Traffic sub-surface, including rammed earth stress layer 1, the top of rammed earth stress layer 1 is please referred to set
There is cement stabilizing bed course 2, the top of rammed earth stress layer 1 is fixedly connected with the bottom of cement stabilizing bed course 2, cement stabilizing bed course 2
Top be equipped with stress metalling 3, the top of cement stabilizing bed course 2 is fixedly connected with the bottom of stress metalling 3, stress rubble
The top of layer 3 is equipped with steel bar stress plate 4, and the top of stress metalling 3 is fixedly connected with the bottom of steel bar stress plate 4, stress steel
The top of gusset 4 is equipped with rubble drainage blanket 5, and the top of steel bar stress plate 4 is fixedly connected with the bottom of rubble drainage blanket 5,
The top of rubble drainage blanket 5 is fixedly installed with locating piece 6, and the inside of locating piece 6 offers sliding cavity 10, the top of locating piece 6
Portion is fixedly installed with positioning plate 7, and the top and bottom of positioning plate 7 offer sliding groove 8 respectively, and the top movable of locating piece 6 connects
It is connected to limit plate 9, positioning plate 7 and sliding groove 8 and the inside for extending to limit plate 9 are run through in the bottom end of limit plate 9, limit plate 9
Outside is in contact with the inner wall of sliding groove 8, and the top of rubble drainage blanket 5 is equipped with stress cement stabilized macadam layer 11, rubble draining pad
The top of layer 5 and the bottom connection of stress cement stabilized macadam layer 11 touch, and the top of stress cement stabilized macadam layer 11 is equipped with pitch horizontal plane
Layer 12, the top of stress cement stabilized macadam layer 11 and the bottom connection of pitch floor level 12 touch, and pass through what is connected at the top of positioning plate 7
Limit plate 9, then two limit plates 9 limit stress cement stabilized macadam layer 11 and pitch floor level 12, when stress cement stabilized macadam
When layer 11 and pitch floor level 12 are changed generation expansion by climate temperature, two limit plates 9 pass through sliding groove 8 and locating piece
6 carry out sliding limit, avoid the drawbacks of expansive force causes rigidity to damage in rigid limit device, that is, it is flexible solid to can reach sliding
Determine the effect at expansion joint, the thickness value of stress metalling 3 and the thickness value of cement stabilizing bed course 2 are 15 centimetres, and stress is broken
The thickness value of rock layers 3 and cement stabilizing bed course 2 is less than the thickness value of rubble drainage blanket 5, and the thickness value of rubble drainage blanket 5 is
22 centimetres, steel bar stress plate 4 includes horizontal stiffener 41, and horizontal stiffener 41 passes through vertical strengthening ribs 42 and positioning steel
43 phases of restricting clamping, horizontal stiffener 41 are located at the lower section of vertical strengthening ribs 42, the inside of vertical strengthening ribs 42 and horizontal stiffener
41 and positioning 43 intersection of steel cable on the outside of be in contact, the height value of limit plate 9 is 50 centimetres, and the front of limit plate 9 is equipped with
Graduated scale table, the quantity of limit plate 9 are two, and two limit plates 9 are distributed with the central symmetry of positioning plate 7, two limit plate 9
There are gap, stress cement stabilized macadams between the middle part of stress cement stabilized macadam layer 11 and pitch floor level 12, two limit plates 9
The thickness value of layer 11 is less than the thickness value of pitch floor level 12, and the thickness value of stress cement stabilized macadam layer 11 is 25 centimetres,
The thickness value of pitch floor level 12 is 12 centimetres, when carrying out flexible limit by the limit plate 9 at 7 top of positioning plate, then
The thickness value of stress cement stabilized macadam layer 11 is observed by the positive scale value of limit plate 9, then passes through the front of limit plate 9 simultaneously
Scale value the thickness value of pitch floor level 12 is observed, so that it is horizontal to improve stress cement stabilized macadam layer 11 and pitch
The accuracy of 12 thickness value of surface layer.
When work, stress cement stabilized macadam layer 11 and pitch floor level 12 are observed by the limit plate 9 at the top of positioning plate 7
Thickness value, by the limit plate 9 connected at the top of positioning plate 7, then two limit plates 9 are to stress cement stabilized macadam layer 11 and pitch water
Plane layer 12 limits, when stress cement stabilized macadam layer 11 and pitch floor level 12 are changed by climate temperature generates expansion, two
A limit plate 9 carries out sliding limit by sliding groove 8 and locating piece 6.
In conclusion the Heavy Traffic sub-surface, passes through the limit plate 9 connected at the top of positioning plate 7, then two limits
Plate 9 limits stress cement stabilized macadam layer 11 and pitch floor level 12, when stress cement stabilized macadam layer 11 and pitch floor level 12
When being changed generation expansion by climate temperature, two limit plates 9 carry out sliding limit by sliding groove 8 and locating piece 6, avoid
The drawbacks of expansive force causes rigidity to damage in rigid limit device can reach the effect at the flexible fixed expansion joint of sliding, pass through
When the limit plate 9 at 7 top of positioning plate carries out flexible limit, it is broken that stress cement is then observed by the positive scale value of limit plate 9
The thickness value of rock layers 11 is then carried out by thickness value of the positive scale value of limit plate 9 to pitch floor level 12 simultaneously
Observation, to improve the accuracy of 12 thickness value of stress cement stabilized macadam layer 11 and pitch floor level.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of Heavy Traffic sub-surface, including rammed earth stress layer (1), it is characterised in that: the top of the rammed earth stress layer (1)
Portion is equipped with cement stabilizing bed course (2), and the top of the rammed earth stress layer (1) is fixedly connected with the bottom of cement stabilizing bed course (2),
The top of the cement stabilizing bed course (2) is equipped with stress metalling (3), and the top of the cement stabilizing bed course (2) and stress are broken
The bottom of rock layers (3) is fixedly connected, and the top of the stress metalling (3) is equipped with steel bar stress plate (4), the stress metalling
(3) top is fixedly connected with the bottom of steel bar stress plate (4), and the top of the steel bar stress plate (4) is equipped with rubble draining pad
Layer (5), the top of the steel bar stress plate (4) are fixedly connected with the bottom of rubble drainage blanket (5), the rubble drainage blanket
(5) it is fixedly installed at the top of locating piece (6), the inside of the locating piece (6) offers sliding cavity (10), the locating piece
(6) it is fixedly installed at the top of positioning plate (7), the top and bottom of the positioning plate (7) offer sliding groove (8), institute respectively
The top movable for stating locating piece (6) is connected with limit plate (9), and positioning plate (7) and sliding groove are run through in the bottom end of the limit plate (9)
(8) and the inside of limit plate (9) is extended to, the outside of the limit plate (9) is in contact with the inner wall of sliding groove (8), described broken
The top of stone drainage blanket (5) is equipped with stress cement stabilized macadam layer (11), the top of the rubble drainage blanket (5) and stress cement
The bottom connection of metalling (11) touches, and the top of the stress cement stabilized macadam layer (11) is equipped with pitch floor level (12), described
The top of stress cement stabilized macadam layer (11) and the bottom connection of pitch floor level (12) touch.
2. a kind of Heavy Traffic sub-surface according to claim 1, it is characterised in that: the stress metalling (3)
Thickness value and the thickness value of cement stabilizing bed course (2) are 15 centimetres, the stress metalling (3) and cement stabilizing bed course
(2) thickness value is less than the thickness value of rubble drainage blanket (5), and the thickness value of the rubble drainage blanket (5) is 22 lis
Rice.
3. a kind of Heavy Traffic sub-surface according to claim 1, it is characterised in that: steel bar stress plate (4) packet
It having included horizontal stiffener (41), the horizontal stiffener (41) is mutually clamped by vertical strengthening ribs (42) and positioning steel cable (43),
The horizontal stiffener (41) is located at the lower section of vertical strengthening ribs (42), the inside of the vertical strengthening ribs (42) and horizontal reinforcement
It is in contact on the outside of muscle (41) and positioning steel cable (43) intersection.
4. a kind of Heavy Traffic sub-surface according to claim 1, it is characterised in that: the height of the limit plate (9)
Value is 50 centimetres, and the front of the limit plate (9) is equipped with graduated scale table.
5. a kind of Heavy Traffic sub-surface according to claim 1, it is characterised in that: the quantity of the limit plate (9)
It is two, two limit plates (9) are distributed with the central symmetry of positioning plate (7), and two limit plates (9) are located at stress water
The middle part of mud metalling (11) and pitch floor level (12), there are gaps between two limit plates (9).
6. a kind of Heavy Traffic sub-surface according to claim 1, it is characterised in that: the stress cement stabilized macadam layer
(11) thickness value is less than the thickness value of pitch floor level (12), and the thickness value of the stress cement stabilized macadam layer (11) is 20
Five centimetres, the thickness value of the pitch floor level (12) is 12 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274334.8U CN209162565U (en) | 2018-08-08 | 2018-08-08 | A kind of Heavy Traffic sub-surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274334.8U CN209162565U (en) | 2018-08-08 | 2018-08-08 | A kind of Heavy Traffic sub-surface |
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| Publication Number | Publication Date |
|---|---|
| CN209162565U true CN209162565U (en) | 2019-07-26 |
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ID=67329320
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821274334.8U Active CN209162565U (en) | 2018-08-08 | 2018-08-08 | A kind of Heavy Traffic sub-surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703719A (en) * | 2022-03-28 | 2022-07-05 | 中国市政工程中南设计研究总院有限公司 | Construction method of composite pavement |
-
2018
- 2018-08-08 CN CN201821274334.8U patent/CN209162565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703719A (en) * | 2022-03-28 | 2022-07-05 | 中国市政工程中南设计研究总院有限公司 | Construction method of composite pavement |
| CN114703719B (en) * | 2022-03-28 | 2023-11-21 | 中国市政工程中南设计研究总院有限公司 | Construction method of composite pavement |
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