CN116497700A - Seamless pile plate type road - Google Patents
Seamless pile plate type road Download PDFInfo
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- CN116497700A CN116497700A CN202310447929.8A CN202310447929A CN116497700A CN 116497700 A CN116497700 A CN 116497700A CN 202310447929 A CN202310447929 A CN 202310447929A CN 116497700 A CN116497700 A CN 116497700A
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- deformation
- isolation layer
- seamless
- road
- stake
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Links
- 238000002955 isolation Methods 0.000 claims abstract description 45
- 239000010410 layer Substances 0.000 claims description 66
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000004575 stone Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 12
- 239000011384 asphalt concrete Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 230000009191 jumping Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000029087 digestion Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 241001669679 Eleotris Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
-
- 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
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
-
- 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
- E01C7/02—Coherent pavings made in situ made of road-metal without binders
- E01C7/04—Coherent pavings made in situ made of road-metal without binders of broken stones, gravel, or like materials
-
- 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
- E01C7/34—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ made of several courses which are not bound to each other ; Separating means therefor, e.g. sliding layers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a seamless pile plate type road.A pile support beam plate forms a multi-pile plate combined frame, a travelling crane system is arranged at the top of the road, and a deformation isolation layer is arranged under the upper layer pavement, so that the road is not influenced by the deformation of the pile plate combined frame any more, and the road is subjected to seamless connection of inner and outer sides only by self elastoplastic digestion, so that the seamless connection of the upper layer pavement is realized. The road cancels the expansion joint, fundamentally avoids the problems of expansion joint, bridge head guide plate diseases, bridge head jumping and the like, and realizes the seamless pile plate type road with good integrity, good durability, low maintenance cost and good driving comfort.
Description
Technical Field
The invention relates to pile plate type structure design and construction, in particular to a seamless pile plate type road.
Background
Currently, traffic construction gradually enters the bottleneck: (1) the land can be occupied, and the situation of no land can be severe; (2) the land occupation and soil taking cost are increased; (3) and the cost of soil treatment and land reclamation is improved. The economy and applicability of conventional land and earth based highway construction is severely impacted. The method adopts a structural viewpoint and an industrialization mode, and implements the low-soil, non-soil, high-efficiency and low-cost construction of traffic construction on the scale and serialization level, thereby being a necessary choice for coping with the actual challenges and responding to the green development. Currently, efforts in this regard have focused on traditional bridging. The pile-board type road is replaced by a bridge, so that the land-sign requirement can be greatly reduced, and the pile-board type road has important significance for saving land resources. However, under the action of dynamic load, temperature and shrinkage and creep of concrete, the beam body deforms, and the driving comfort and safety can be influenced when the deformation is overlarge, so that expansion joints are required to be arranged for adjusting deformation displacement and connection between bridge upper structures. But the design is improper, the installation quality is poor, and the scientific timely maintenance is lacking, the expansion joint can jump, which is a common disease at present and is more and more prominent. The bridge expansion joint is damaged, sunk and staggered, when a vehicle passes through, the bridge is subjected to jumping impact, additional load is generated, driving comfort is affected, and safety accidents are generated in severe cases.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a seamless pile plate type road, which realizes the seamless connection and seamless splicing of a novel road to the inside and the outside. The technical scheme is as follows:
the provided seamless pile-slab road adopts a pile-slab combined frame and is characterized in that an anti-deformation structure is arranged in the road and used for absorbing deformation of the pile-slab combined frame and realizing seamless connection of upper pavement.
Optionally, in some embodiments, the deformation-resistant structure includes a deformation isolation layer under the upper layer pavement, the deformation isolation layer adopts reinforced graded broken stone, and the upper layer pavement adopts asphalt concrete pavement.
Optionally, in some embodiments, the construction process of the deformation isolation layer includes:
(1) Maximum grain diameter d of graded broken stone max ＝31.5mm；
(2) Stone crush values no greater than 26%;
(3) The particle composition is a plastic-free tail-cutting smooth curve, and the grading meets the following table specifications:
| screen mesh size (mm) | Yield (%) |
| 31.5 | 100 |
| 19 | 85～100 |
| 9.5 | 52～74 |
| 4.75 | 29～54 |
| 2.36 | 0 |
(4) Thickness of deformation isolation layer according to h g ≥4.25d max And (5) calculating.
Optionally, in some embodiments, the deformed isolation layer is reinforced with a welded reinforcing mesh, and the welded reinforcing mesh is disposed on the top surface of the deformed isolation layer or is disposed on the top surface and the inside of the deformed isolation layer respectively, so as to prevent deformation of the isolation layer, and the deformed isolation layer is designed according to the following rules:
(1) The distance between the steel bars of the welded steel bar net is b g ≥4.5d max Calculating;
(2) Steel bar diameter d of welded steel bar net g ≥b g And/15 calculation.
Optionally, in some embodiments, a T-shaped steel is disposed under the deformation isolation layer and embedded into a deformation joint between the pile plate and the combined frame to prevent broken stones of the deformation isolation layer from scattering, and the T-shaped steel is designed according to the following rules:
(1) T-shaped steel top plate wide press b T ≥1.3(b K +δ K ) +100mm calculation;
(2) T-shaped steel top plate thick press T TD ≥b T 15 calculating;
(3) T-shaped steel web high-pressure h T ≥1.5(b K +δ K ) Calculating;
(4) T-shaped steel web thick press T TF ≥h T And/15 calculation.
Wherein b K Is the standard clearance of the deformation joint; delta K Is the incremental deformation of the deformation joint.
Optionally, in some embodiments, the deformation isolation layer is constructed by rolling with a heavy-duty tyre roller, compacting the thickness at one time to 20cm and the compactness to 100%, and then providing the top surface of the deformation isolation layer with reinforcing ribs.
Optionally, in some embodiments, when the upper layer is paved, the adhesive layer oil is spread on the top surface of the deformation isolation layer, then the top surface of the deformation isolation layer is provided with ribs, and then asphalt concrete is paved.
The seamless pile plate type road has the following beneficial effects:
1. the seamless pile plate type road disclosed by the invention has the advantages that the pile support beam plates form the multi-pile plate combined frame, the driving system is arranged at the top, the deformation isolation layer is arranged under the upper layer pavement, so that the seamless pile plate type road is not influenced by the deformation of the pile plate combined frame any more, the seamless connection between the inside and the outside is realized only by self elastic plastic digestion of the deformation of the pile plate combined frame, and the problems of expansion joints, bridge head leading plate diseases, bridge head jumping and the like are fundamentally avoided due to the elimination of the expansion joints, so that the seamless pile plate type road with good integrity, good durability, low maintenance cost and good driving comfort is realized, and the economy is better than that of the traditional seamed structural design.
2. The invention relates to a deformation isolation layer creatively adopts reinforced graded broken stone, which is generally used for enhancing the structural strength of a pavement and considering the water-proof and drainage functions of the pavement structure.
3. The reinforcement of the deformed isolation layer adopts the welded reinforcement mesh, and the restraint effect on graded broken stone is effectively enhanced and the deformation of the isolation layer is prevented through the design of the reinforcement spacing and the reinforcement diameter.
4. The seamless pile plate type road of the invention creates a novel road structure, greatly reduces various land areas of the road, and effectively solves the contradiction between the development of road traffic and the protection of land resources.
5. The seamless pile plate type road changes the traditional road construction mode, has simple structure, quick construction, low cost, high quality and good landscape, and promotes the development of the green road industrialized construction technology.
Drawings
FIG. 1 is a schematic view of an overall layout of spliced pile plank road;
fig. 2 is a schematic view of a spliced pile board type road pavement structure.
In the figure: 1-pile board type road; 2-beam plates; 3-outer longitudinal ribs; 4-prefabricating piles; 5-roadbed; 6-connecting the sleeper beams; 7-pile plate combined frames; 8-paving an upper layer; 9-deformation isolation layer; 10-reinforcement; 11-T steel; 12-deformation joint.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The following examples are given on the premise of the technical scheme of the present invention, and detailed embodiments, specific operation processes and quantitative calculation results are given, but the protection scope of the present invention is not limited to the following examples.
The pile plate type structure is characterized in that a beam plate is supported by piles, and a light bearing structure of a highway driving system is arranged on the beam plate and can be divided into a spliced wide type pile plate type structure and a full-width type pile plate type structure. The spliced wide pile plate type structure is a pile plate type structure which is supported at the top of a pile column by a beam plate and is supported, connected or lapped on the existing highway subgrade at one lateral side. The full-width pile plate type structure is a pile plate type structure in which a beam plate is fully supported at the top of a pile.
The following describes the technical scheme of the seamless pile-slab road according to the embodiment of the present application with the pile-slab road structure illustrated in fig. 1.
Referring to fig. 1, the reinforced concrete spliced pile board type road 1 with a theoretical span of 6m is used for the expansion highway engineering. Wherein, the C50 beam slab 2 is 0.26m thick, is provided with an outer longitudinal rib 3 with the height of 0.5m and the width of 1m, is supported on a C80 prefabricated pile 4 with the diameter of 0.6m, and the inner side is lapped on a C50 connecting sleeper beam 6 with the height of 0.5m and the width of 1m arranged along the edge of a roadbed 5 with the existing height of 6m, so as to form a multi-connected pile slab combined frame 7 with the width of 8.75m and supported by the prefabricated pile 4, wherein the beam slab 2 and the inner side are longitudinally supported.
Referring to fig. 2, asphalt concrete pavement is adopted for paving an upper layer pavement 8 at the top of the pile-slab road 1, and the asphalt concrete pavement is 40mmAC10 (upper layer) +60mmAC13 (lower layer), and a deformation isolation layer 9 is arranged below the asphalt concrete pavement.
The deformation isolation layer 9 adopts a discrete structure, is used for reinforcing and gathering broken stone and is used as an intermediate layer between a thinner asphalt surface layer (an upper layer pavement 8) and a semi-rigid base layer (a beam slab 2).
Maximum particle diameter d of collected crushed stone max =31.5 mm, the stone crush value is not greater than 26%, meeting standard requirements. The particles are formed into a plastic-free tail-cutting smooth curve so as to facilitate free dislocation between the beam plate 2 and the deformation isolation layer 9. The set meets the following table specifications:
| screen mesh size (mm) | Yield (%) |
| 31.5 | 100 |
| 19 | 85～100 |
| 9.5 | 52～74 |
| 4.75 | 29～54 |
| 2.36 | 0 |
Thickness of deformation isolation layer 9 according to h g ≥4.25d max Calculation, in the embodiment of the application, h is adopted g ＝200mm。
The reinforcement 10 of the deformation isolation layer 9 adopts a welded reinforcement mesh, and is arranged on the top surface of the deformation isolation layer 9 to prevent the deformation. The distance between the steel bars of the welded steel bar net is b g ≥4.5d max Calculation, b in the embodiment of the present application g =150mm. Steel bar diameter d of welded steel bar net g ≥b g Calculation of/15, d in the examples of the present application g ＝12mm。
T-shaped steel 11 is arranged below the deformation isolation layer 9 and embedded into a deformation joint 12 between the pile plate combined frames 7, so that broken stones of the deformation isolation layer are prevented from scattering. T-shaped steel 11 top plate wide press b T ≥1.3( b K +δ K )+100mm calculation, in the examples of the present application b T =250 mm, press t TD ≥b T Calculation of/15, t in the examples of the present application TD =18 mm. T-shaped steel 11 web high-pressure h T ≥1.5( b K +δ K ) Calculation, in the embodiment of the application, adopts h T =150 mm, press t TF ≥h T Calculation of/15, t in the examples of the present application TF =10mm. Wherein,, b K a standard gap is formed for the deformation joint 12; delta K Incremental deformation for deformation joint 12.
When the deformation isolation layer 9 is constructed, the three-wheel roller with the thickness of more than 12t is used for rolling, and the thickness of each layer should not exceed 15-18 cm. The heavy vibratory roller and the pneumatic tire roller are used for rolling, the thickness of each layer can reach the standard of 20 cm', the heavy pneumatic tire roller is used for rolling, the thickness of one-time compaction is 20cm, and the compaction degree is 100%.
When the upper layer pavement 8 is constructed, the top surface of the deformation isolation layer 9 is firstly spread with the adhesive layer oil, then the reinforcement 10 is arranged, and then asphalt concrete is paved.
It can be understood that the construction processes for the deformation isolation layer 9 and the upper layer pavement 8 are as follows: firstly, constructing a aggregate-matched gravel layer, wherein a layer of reinforcing bars can be arranged in the aggregate-matched gravel layer, after the aggregate-matched gravel layer is constructed, spreading adhesive layer oil on the top surface of the aggregate-matched gravel layer, then, arranging a layer of reinforcing bars, and finally, paving asphalt concrete.
Therefore, a brand new pavement system is established, free dislocation can be carried out between the deformation isolation layer 9 and the beam plate 2, the upper pavement 8 is not influenced by the deformation of the pile plate combined frame 7 any more, and the deformation of the upper pavement is only needed to be digested by self elastoplasticity, so that seamless connection to the inside and the outside is directly carried out.
By adopting the invention, the novel seamless connection and seamless splicing of the roads to the inside and the outside are realized, various land areas of the roads are greatly reduced, the contradiction between the development of road traffic and the protection of land resources is effectively solved, and the development of the green road industrialized construction technology is promoted.
The present invention is not limited to the above-described specific embodiments, and various modifications may be made by those skilled in the art without inventive effort from the above-described concepts, and are within the scope of the present invention.
Claims (7)
1. The utility model provides a seamless stake board-like road, stake board-like road adopts stake board to unite the frame, its characterized in that, set up anti deformation structure in the road for the deformation of the stake board unite the frame is absorbed, the seamless connection of upper strata mating formation is realized.
2. The seamless stake slab road of claim 1, wherein the deformation resistant structure includes a deformation isolation layer under an upper pavement, the deformation isolation layer is made of reinforced graded broken stone, and the upper pavement is made of asphalt concrete.
3. A seamless stake bed roadway as claimed in claim 2, wherein the construction process of the deformation isolation layer includes:
(1) Maximum grain diameter d of graded broken stone max ＝31.5mm；
(2) Stone crush values no greater than 26%;
(3) The particle composition is a plastic-free tail-cutting smooth curve, and the grading meets the following regulations:
the passing rate range of the standard sieve holes of 2.36mm is 0;
the passing rate of the standard sieve holes of 4.75mm ranges from 29 to 54 percent;
the passing rate of the standard sieve holes of 9.5mm is 52-74%;
the passing rate of the standard sieve holes of 19mm is 85-100 percent;
the passing rate range of the standard sieve holes of 31.5mm is 100%;
(4) Thickness of deformation isolation layer according to h g ≥4.25d max And (5) calculating.
4. A seamless stake bed roadway as claimed in claim 2, wherein: the deformation isolation layer add muscle adopt welding reinforcing bar net, welding reinforcing bar net sets up in the top surface of deformation isolation layer or set up in the top surface and the inside of deformation isolation layer respectively, prevents the deformation of isolation layer, designs according to following rule:
(1) The distance between the steel bars of the welded steel bar net is b g ≥4.5d max Calculating;
(2) Steel bar diameter d of welded steel bar net g ≥b g And/15 calculation.
5. A seamless stake bed roadway as claimed in claim 2, wherein: the T-shaped steel is embedded into the deformation joint between the pile plate and the combined frame to prevent broken stones of the deformation isolation layer from scattering, and the T-shaped steel is designed according to the following rules:
(1) T-shaped steel top plate wide press b T ≥1.3(b K +δ K ) +100mm calculation;
(2) T-shaped steel top plate thick press T TD ≥b T 15 calculating;
(3) T-shaped steel web high-pressure h T ≥1.5(b K +δ K ) Calculating;
(4) T-shaped steel web thick press T TF ≥h T And/15 calculation.
Wherein b K Is the standard clearance of the deformation joint; delta K Is the incremental deformation of the deformation joint.
6. A seamless stake bed roadway as claimed in claim 2, wherein: when the deformation isolation layer is constructed, a heavy-duty tyre roller is used for rolling, the thickness of one-time compaction is 20cm, and the compactness is 100%.
7. A seamless stake bed roadway as claimed in claim 6, wherein: when the upper layer is paved, adhesive layer oil is spread on the top surface of the deformation isolation layer, then the top surface of the deformation isolation layer is provided with reinforcing ribs, and then asphalt concrete is paved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310447929.8A CN116497700A (en) | 2023-04-24 | 2023-04-24 | Seamless pile plate type road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310447929.8A CN116497700A (en) | 2023-04-24 | 2023-04-24 | Seamless pile plate type road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116497700A true CN116497700A (en) | 2023-07-28 |
Family
ID=87316061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310447929.8A Pending CN116497700A (en) | 2023-04-24 | 2023-04-24 | Seamless pile plate type road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116497700A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001271303A (en) * | 2000-03-27 | 2001-10-05 | Kawasaki Steel Corp | Joint-section structure of road |
| CN1493744A (en) * | 2002-10-28 | 2004-05-05 | 李兰英 | Road surface structare layer |
| CN101691724A (en) * | 2009-09-17 | 2010-04-07 | 西南交通大学 | Liquefied soil foundation quake-proof road-bridge transition section structure of ballastless track of high-speed railway |
| CN203270451U (en) * | 2013-06-04 | 2013-11-06 | 重庆佳厚建筑材料有限公司 | Structure of bridge expansion joint |
| CN107268366A (en) * | 2017-07-05 | 2017-10-20 | 安徽省交通规划设计研究总院股份有限公司 | A kind of assembling wallboard, rubble formula are without earth roadbed |
| CN113073538A (en) * | 2021-03-17 | 2021-07-06 | 安徽省交通规划设计研究总院股份有限公司 | High pile plate-soil combined road |
| CN216663671U (en) * | 2021-09-24 | 2022-06-03 | 宁波市天马生态建设有限公司 | Highway road surface pavement structure |
| CN218812939U (en) * | 2022-11-14 | 2023-04-07 | 安徽省交通控股集团有限公司 | Integral no expansion joint pile slab formula roadbed structure |
-
2023
- 2023-04-24 CN CN202310447929.8A patent/CN116497700A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001271303A (en) * | 2000-03-27 | 2001-10-05 | Kawasaki Steel Corp | Joint-section structure of road |
| CN1493744A (en) * | 2002-10-28 | 2004-05-05 | 李兰英 | Road surface structare layer |
| CN101691724A (en) * | 2009-09-17 | 2010-04-07 | 西南交通大学 | Liquefied soil foundation quake-proof road-bridge transition section structure of ballastless track of high-speed railway |
| CN203270451U (en) * | 2013-06-04 | 2013-11-06 | 重庆佳厚建筑材料有限公司 | Structure of bridge expansion joint |
| CN107268366A (en) * | 2017-07-05 | 2017-10-20 | 安徽省交通规划设计研究总院股份有限公司 | A kind of assembling wallboard, rubble formula are without earth roadbed |
| CN113073538A (en) * | 2021-03-17 | 2021-07-06 | 安徽省交通规划设计研究总院股份有限公司 | High pile plate-soil combined road |
| CN216663671U (en) * | 2021-09-24 | 2022-06-03 | 宁波市天马生态建设有限公司 | Highway road surface pavement structure |
| CN218812939U (en) * | 2022-11-14 | 2023-04-07 | 安徽省交通控股集团有限公司 | Integral no expansion joint pile slab formula roadbed structure |
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