CN105113353A - Novel rapid-assembly type anti-shearing concrete pavement - Google Patents
Novel rapid-assembly type anti-shearing concrete pavement Download PDFInfo
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- CN105113353A CN105113353A CN201510488157.8A CN201510488157A CN105113353A CN 105113353 A CN105113353 A CN 105113353A CN 201510488157 A CN201510488157 A CN 201510488157A CN 105113353 A CN105113353 A CN 105113353A
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Abstract
The invention discloses a novel rapid-assembly type anti-shearing concrete pavement. The anti-shearing concrete pavement comprises a plurality of prefabricated plates, wherein holes for accepting steel strands are formed in two sides of each prefabricated plate; every two corresponding adjacent prefabricated plates are connected through steel strands; holes for accepting steel strands are formed in four sides of each prefabricated plate; every two corresponding adjacent prefabricated plates are connected through steel strands. The anti-shearing concrete pavement disclosed by the invention is prefabricated in a factory, and after being transported to a construction site, the prefabricated pavement is positioned and mounted; wet operation is not needed on the construction site, so that the pavement is convenient and rapid to mount, and the environmental influence on the pavement is small; standardized production of the prefabricated concrete pavement plates of fixed sizes are performed in factories and high production efficiency and quality are realized, and a great amount of manpower resources are saved; the prefabricated pavement plates are classified into multiple varieties and types according to bearing capacity and length, so that designers can conveniently select an appropriate prefabricated pavement plate type according to different use requirements; therefore, the road design is simple and convenient.
Description
Technical field
The present invention relates to a kind of anti-shearing rigid pavement of novel quick assembled type.
Background technology
China's economy is in high-speed development period at present, and the annual road building a large amount of various grade is wherein concrete road greatly.Current domestic concrete road mainly adopts cast-in-place concrete construction technique, needs on-the-spot formwork supporting plate, assembling reinforcement, concreting, the work progresss such as concrete curing.It is mainly as follows to there is drawback in cast-in-situ concrete production technology:
Production efficiency is low, the manpower of at substantial, long construction period.Site operation mainly adopts manual work, and product quality not easily ensures.Big for environment pollution, poured in place concrete produces noise, sewage, the environment pollutions such as waste material.Road surface is removed or when discarding, ground surface material forms building waste, cannot reuse, cause the wasting of resources.The impact of construction climate is large.Rainy season and unfavorable construction cold season, cause the seasonal downtime longer.Therefore, the above shortcoming of cast-in-situ concrete road, has become the bottleneck of restriction concrete road industrialization development.
And precast concrete road has following advantage:
1) production efficiency is high, saves manpower, is conducive to realizing highway construction industrialization.Precast concrete road produces component in millworkization, and site machineryization is installed, and production efficiency is manually produced far above scene, and change construction worker is industrial worker, promotes industry industrialization level.
2) construction period is short, reduces Climatic risk.The weatherproof of precast concrete road in-site installation, winter still can construct, and without the need to concrete curing, substantially reduces the road construction cycle, reduces the economic loss because climate change brings.
3) civilized construction and environmental requirement is met.Precast concrete road in-site installation noiselessness, sewage, airborne dust, can keep the operating environment that job site is good, little to surrounding environment influence.
4) good product quality.Precast concrete road product is that factory's shaping standardization is produced, and achieve Specialty Design, make, the cast-in-situ concrete road than field fabrication in product quality and security performance is more guaranteed.
5) resource utilization is high, is conducive to social sustainable development.Precast concrete road can realize disassembling reusing, and when road needs to remove or move, concrete pavement slab can be disassembled resettlement and reuse.And industrial waste and circular regeneration material can be used in a large number in precast concrete road process of factory production, to economizing on resources, energy-saving and emission-reduction are significant, are conducive to social sustainable development.
Can predict: industrialized level is higher, the precast concrete road of better quality will be the developing direction of highway construction.Promoting the use of lifting road engineering industry level of precast concrete road, reduces construction cost, accelerates construction period, reduce Construction on Environment impact and all have positive role.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of anti-shearing rigid pavement of novel quick assembled type.This road includes concrete pavement slab, and road slab is prefabricated in processing factory, is transported to location, job site assembled, road slab physical dimension, determines according to the number of track-lines of designing requirement and design grade.
To achieve these goals, the technical solution used in the present invention is: a kind of anti-shearing rigid pavement of novel quick assembled type, comprise several precast plates, the both sides of described precast plate are provided with the duct for placing steel strand, are connected between adjacent precast plate by steel strand.
Four sides of described precast plate all arrange the duct having and place steel strand, are connected between adjacent precast plate by steel strand.
Four precast plates utilize steel hinge line and connect strip by steel outside precast plate and form a road surface unit.
Precast plate between adjacent is also provided with connecting key structure, and described connecting key structure comprises the convex key of the shearing resistance cooperatively interacted and the recessed key of shearing resistance.
Two medial extremitys of described precast plate are all provided with the convex key of shearing resistance, and the side corresponding precast plate is provided with the recessed key of shearing resistance.
The convex key of described shearing resistance and the recessed key of shearing resistance are embedded in precast plate side respectively, and weld with anchor rib.
Between described steel connection strip and precast plate contact surface, one block of rubber tile is set.
In gap between adjacent precast plate, block rubber is installed.
Steel hinge line diameter is 15.20mm, and steel hinge line standard pull tension intensity level is 1860N/mm2, by two ends ground tackle, steel hinge line is anchored in the outside of steel connection strip.
The convex key of described shearing resistance is a pedestal with the protruding conical surface, the recessed key of described shearing resistance be one have depression the conical surface pedestal, the protruding conical surface can with depression cone match.
Steel connects between strip and road slab contact surface, arranges one block of thick rubber tile of 5mm, when preventing steel hinge line stress application, causes road slab external surface to produce local damage.
Beneficial effect of the present invention:
This road includes concrete pavement slab, and road slab is prefabricated in processing factory, is transported to location, job site assembled.Road slab physical dimension, determines according to the number of track-lines of designing requirement and design grade.
For road surface plate convenient transportation, quick for installation, plate is divided into multiple kind and model by the ratio according to road slab minor face and long limit.
For ensureing that road slab does not rupture under heavy-duty vehicle repeated action, breakage, linkage interface place between plate and plate, is provided with the anti-shearing connecting key in some location.
For giving full play to the supporting capacity of every block plate, the present invention adopts soap-free emulsion polymeization post-tensioned prestressing steel hinge line, and connects strip by steel outside plate, and adjacent four blocks of plates are connected into an organic whole.
For under buffering heavy-duty vehicle repeated action, be provided with block rubber in the gap between adjacent precast plate, formation is flexible coupling.
Precast concrete road is prefabricated in the factory, and be transported to location and installation behind job site, scene does not need wet trade, quick and easy for installation, and affected by environment little, construction period is accelerated greatly; 2) precast concrete road plate is in factory's scale standardized production, and production efficiency is high, good product quality, saves a large amount of manpower; 3) multiple kind and model is divided into according to road surface plate minor face and the ratio on long limit and the length of minor face.Prefabricated road slab is divided into multiple kind and model according to supporting capacity and length, is convenient to the prefabricated road slab model that designer is suitable for according to different instructions for uses and selection, makes the simplicity of design of road, convenience.4), when precast concrete road needs to remove or move, can realize disassembling completely, 100% reuses, and does not produce building waste, meets the architectural development requirement of environmental protection low-carbon (LC).5) the promoting the use of of precast concrete road, is conducive to realizing architectural industrialization, can promotes overall Municipal Road Engineering and architectural industrialization level.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is Fig. 1 sectional view.
Fig. 3 is connecting key structural representation.
The another kind of precast plate connecting method in Fig. 4 position.
Fig. 5 is the structural representation with outstanding blocks.
1, precast plate, 2, steel strand, 3, steel connects strip, 4, stretching end ground tackle, 5, fixed end ground tackle, 6, duct, 7, connecting key structure, 8, anchor rib, 9, outstanding blocks, 10, cellar for storing things well head, 71, the convex key of shearing resistance, 72, the recessed key of shearing resistance.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, the invention will be further described.
As shown in Figures 1 to 4, a kind of anti-shearing rigid pavement of novel quick assembled type, have the road surface unit of multiple arrangement to lay to form, each road surface unit comprises 4 pieces of precast plates 1, four precast plates 1 utilize steel hinge line and connect strip 3 by steel outside precast plate and form a road surface unit, the both sides of described precast plate 1 are provided with the duct 6 for placing steel strand, are connected between adjacent precast plate 1 by steel strand 2.In order to better increase intensity, four sides of precast plate 1 all arrange the duct 6 having and place steel strand, and connected by steel strand 2 between adjacent precast plate 1, result in formation of each block precast plate 1 has 3 to 4 steel strand 2 to connect, enhance road surface whole unit stability
During processing factory's precast plate, at the concrete pressure-bearing position that steel connection strip 3 contacts with concrete slab, bury helical form stirrup one and reinforcing bar weld tabs three road respectively underground, with Concrete Structure Local bearing capacity.Precast plate is prefabricated in processing factory, is transported to location, job site assembled.Precast plate physical dimension, determines according to the number of track-lines of designing requirement and design grade.Whether the rigid pavement higher to design grade, in conjunction with local engineering geology and water wave related data, according to relevant test stone, specification, should meet design document requirement to its roadbed and check and check and accept before laying.
Precast plate adopts steel concrete to make, and template can adopt set shaped steel formwork, should be noted during making the pre-buried and inspection shaft openings position of reserving hole channel, shear key and size accurate.Precast plate is divided into multiple model, so that scale standardized production.Lenth ratio according to precast plate minor face and long limit is divided into multiple kind (as: A, B, C class), and each kind is divided into multiple model (as: A2000, B2250, C2500 model) according to precast plate bond length; According to road design width, the auxiliary products of different model are selected to carry out assembled.
Precast plate between adjacent is also provided with connecting key structure 7, and described connecting key structure 7 comprises the convex key of the shearing resistance cooperatively interacted 71 and the recessed key 72 of shearing resistance.Connecting key structure has several, and uniform arrangement is arranged between two adjacent precast plates 1,
Two medial extremitys of described precast plate are all provided with the convex key 71 of shearing resistance, and the side corresponding precast plate is provided with the recessed key 72 of shearing resistance.
The convex key of described shearing resistance 71 and the recessed key 72 of shearing resistance are embedded in precast plate side respectively, and weld with anchor rib 8, firm and easy for installation.
Between described steel connection strip 3 and precast plate 1 contact surface, one block of rubber tile is set.When prevention is to steel hinge line stress application, road slab external surface is caused to produce local damage.
Be provided with block rubber in gap between adjacent precast plate 1, block rubber reserves the porose hole for installing connecting key structure and steel strand, makes so overall form one and be flexible coupling, anti-extrusion effective, play shrinkage joint effect simultaneously.
As shown in Figure 5, the multiple outstanding blocks 9 of precast plate 1 bottom even distribution, outstanding blocks 9 can improve the effective friction between panel and basic unit, in case the stressed rear entirety of panel offsets.
Steel hinge line diameter is 15.20mm, and steel hinge line standard pull tension intensity level is 1860N/mm2, by two ends ground tackle, steel hinge line is anchored in the outside of steel connection strip.
The convex key of described shearing resistance 71 is a pedestal with the protruding conical surface, namely forms a round platform; The recessed key 72 of described shearing resistance is a pedestal with the depression conical surface, the i.e. round platform of a depression, the protruding conical surface can with depression cone match, the bus of round platform and the angle of center line are 25-30 degree, through overtesting, this cone structure show that its shearing stress effect is good especially.
Steel connects between strip 3 and road slab contact surface, arranges one block of thick rubber tile of 5mm, when preventing steel hinge line stress application, causes road slab external surface to produce local damage.
To the road surface being designed with gutter, gutter and inspection shaft should be constructed complete before road surfacing.According to the inspection shaft position laid, when road slab arrangement is in place, first discharge the precast plate with reserved catch pit port, other plate one words arrange to both sides.
The method for stretching of presstressed reinforcing steel: in stretching process, should adopt the steel strand of two tensioning equipments to same plate two end to carry out stretch-draw simultaneously.After stretch-draw, with butter, plastic foil, wrapping preservative treatment is carried out in time to steel hinge line, the ground tackle exposing outside.
Claims (10)
1. the anti-shearing rigid pavement of novel quick assembled type, is characterized in that comprising, several precast plates, and the both sides of described precast plate are provided with the duct for placing steel strand, are connected between adjacent precast plate by steel strand.
2. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, four sides of described precast plate all arrange the duct having and place steel strand, are connected between adjacent precast plate by steel strand.
3. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, four precast plates utilize steel hinge line and connect strip by steel outside precast plate and form a road surface unit.
4. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, the precast plate between adjacent is also provided with connecting key structure, and described connecting key structure comprises the convex key of the shearing resistance cooperatively interacted and the recessed key of shearing resistance.
5. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, two medial extremitys of described precast plate are all provided with the convex key of shearing resistance, and the side corresponding precast plate is provided with the recessed key of shearing resistance.
6. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, the convex key of described shearing resistance and the recessed key of shearing resistance are embedded in precast plate side respectively, and weld with anchor rib.
7. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, arranges one block of rubber tile between described steel connection strip and precast plate plate contact surface.
8. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 1, is characterized in that, is provided with block rubber in the gap between adjacent precast plate.
9. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 3, is characterized in that, steel hinge line diameter is 15.20mm, and steel hinge line standard pull tension intensity level is 1860N/mm
2, by two ends ground tackle, steel hinge line is anchored in the outside of steel connection strip.
10. the anti-shearing rigid pavement of the novel quick assembled type of one according to claim 3, is characterized in that, the convex key of described shearing resistance is a pedestal with the protruding conical surface; The recessed key of described shearing resistance be one have depression the conical surface pedestal, the protruding conical surface can with depression cone match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488157.8A CN105113353A (en) | 2015-08-11 | 2015-08-11 | Novel rapid-assembly type anti-shearing concrete pavement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510488157.8A CN105113353A (en) | 2015-08-11 | 2015-08-11 | Novel rapid-assembly type anti-shearing concrete pavement |
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| CN105113353A true CN105113353A (en) | 2015-12-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620242A (en) * | 2017-11-10 | 2018-01-23 | 山东大学 | The plate pin-connected panel porous pavement made using waste plastic |
| CN110306397A (en) * | 2019-06-28 | 2019-10-08 | 宁夏建工集团有限公司 | A kind of steelframe brace type Combined concrete splicing construction and preparation method thereof |
| CN115341753A (en) * | 2022-08-31 | 2022-11-15 | 中国建筑第八工程局有限公司 | Template for shear keys of steel structure roof support and template supporting method |
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| CN201620328U (en) * | 2010-04-12 | 2010-11-03 | 李同德 | Split type concrete pavement |
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| CN205077352U (en) * | 2015-08-11 | 2016-03-09 | 江苏万融工程科技有限公司 | Novel anti -shearing concrete road surface of rapid Assembly formula |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20060071384A (en) * | 2006-06-05 | 2006-06-26 | 한국유지관리 주식회사 | Precast concrete panel using height-controller and its precast pavement method |
| CN201620328U (en) * | 2010-04-12 | 2010-11-03 | 李同德 | Split type concrete pavement |
| CN202718022U (en) * | 2012-06-14 | 2013-02-06 | 长安大学 | Fabricated type prestressed concrete pavement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620242A (en) * | 2017-11-10 | 2018-01-23 | 山东大学 | The plate pin-connected panel porous pavement made using waste plastic |
| CN110306397A (en) * | 2019-06-28 | 2019-10-08 | 宁夏建工集团有限公司 | A kind of steelframe brace type Combined concrete splicing construction and preparation method thereof |
| CN115341753A (en) * | 2022-08-31 | 2022-11-15 | 中国建筑第八工程局有限公司 | Template for shear keys of steel structure roof support and template supporting method |
| CN115341753B (en) * | 2022-08-31 | 2023-08-11 | 中国建筑第八工程局有限公司 | Template for shear key of steel structure roof support and template supporting method |
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Application publication date: 20151202 |