CN105064159A - Rapidly installed concrete road - Google Patents
Rapidly installed concrete road Download PDFInfo
- Publication number
- CN105064159A CN105064159A CN201510486778.2A CN201510486778A CN105064159A CN 105064159 A CN105064159 A CN 105064159A CN 201510486778 A CN201510486778 A CN 201510486778A CN 105064159 A CN105064159 A CN 105064159A
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- Prior art keywords
- precast plate
- steel
- precast
- key
- shearing resistance
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- 239000004567 concrete Substances 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000010008 shearing Methods 0.000 claims abstract description 30
- 239000004576 sand Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000010881 fly ash Substances 0.000 claims abstract description 7
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 6
- 235000012241 calcium silicate Nutrition 0.000 claims abstract description 6
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920001778 nylon Polymers 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 210000003414 extremity Anatomy 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 13
- 239000011178 precast concrete Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- -1 630 parts Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- E01C5/00—Pavings made of prefabricated single units
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a rapidly installed concrete road. The rapidly installed concrete road comprises four precast slabs; the two sides of each concrete precast slab are provided with holes used for placing steel strands; adjacent precast slabs are connected via the steel strands; the diameter of the steel strand is 14.50mm; the four sides of each precast slab are provided with the holes used for placing the steel strands, and adjacent precast slabs are connected via the steel strands; one road surface unit is formed from the four precast slabs via the steel strands and steel connecting plates arranged on the outsides of the precast slabs; connecting key structures are arranged between adjacent precast slabs; each connecting key structure comprises a shearing-resistant convex key and a shearing-resistant concave key matching with each other. The precast slabs are made from cement, fly ash, sand, water, nylon fiber, calcium metasilicate, sodium dodecyl benzene sulfonate, and silicon carbide powder.
Description
Technical field
The present invention relates to a kind of concrete road of Fast Installation.
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 and the invention provides a kind of pin-connected panel Pre-coagulation dirt road road.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 concrete road of Fast Installation, four precast plates, and the both sides of described precast plate are provided with the hole for placing steel strand, are connected between adjacent precast plate by steel strand; Steel hinge line diameter is 14.50mm,
Four sides of described precast plate all arrange the hole 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;
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.
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 plate contact surface, one block of rubber tile is set.
Yellow sand is filled with in gap between adjacent precast plate.
The material of described precast plate, be calculated by weight to cement 400-450 part, flyash 40-90 part, sand 600-700 part, 100 parts, water, nylon fiber 0.2-0.4 part, calcium metasilicate 10-15 part, neopelex 10-13 part, carborundum powder 11-16 part.
Beneficial aspects 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, all reserved 10-15mm gap at linkage interface place, fill with yellow ground, formation is flexible coupling.
Adopt special concrete batching, the precast plate made has good frost resistance.
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.
1, precast plate, 2, steel strand, 3, steel connects strip, 4, stretching end ground tackle, 5, fixed end ground tackle, 6, hole, 7, connecting key structure, 8, anchor rib, 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 Figure 1, a concrete road for Fast Installation, have the road surface unit of multiple arrangement to lay and form, each road surface unit comprises 4 pieces of precast plates 1, the both sides of described precast plate 1 are provided with the hole 6 for placing steel strand 2, are connected between adjacent precast plate 1 by steel strand.In order to better increase intensity, four sides of precast plate all arrange the hole having and place steel strand, are connected between adjacent precast plate by steel strand 2, and result in formation of each block precast plate has 3 to 4 steel strand to connect, and enhances 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 7 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 of shearing resistance, and the side corresponding precast plate is provided with the recessed key of shearing resistance.
Through overtesting, this cone structure show that its shearing stress effect is good especially,
The convex key of described shearing resistance and the recessed key of shearing resistance are embedded in precast plate side respectively, and with anchor rib welding, firm and easy for installation.
Between described steel connection strip 3 and precast plate 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.
Steel hinge line diameter is 14.50mm, 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 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
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 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.Be filled with yellow sand in gap between adjacent precast plate, overall formation one is flexible coupling, anti-extrusion effective.
The material of above-mentioned precast plate, be calculated by weight to cement 400-450 part, flyash 40-90 part, sand 600-700 part, 100 parts, water, nylon fiber 0.2-0.4 part, calcium metasilicate 10-15 part, neopelex 10-13 part, carborundum powder 11-16 part.Above-mentioned formula frost resistance performance is better, melts circulation mass loss rate low.
Embodiment 1: cement 450 parts, 60 parts, flyash, 630 parts, sand, 100 parts, water, nylon fiber 0.2 part, calcium metasilicate 125 parts, neopelex 13 parts, carborundum powder 15 parts
Comparative example 1: cement 450 parts, 60 parts, flyash, 630 parts, sand, 100 parts, water.
Comparative example 2: cement 450 parts:, 630 parts, sand, 100 parts, water.
Comparative example 3: cement 450 parts, 630 parts, sand, 100 parts, water, carborundum powder 15 parts.
After Frozen-thawed cycled, four kinds of concrete all have mass loss, and comparatively comparative example 1-3 concrete is low for the concrete mass loss rate of embodiment, circulate 200 times time, the mass loss rate of normal concrete is more than 8.5%, and comparative example concrete is only 6.2%.Embodiment 1 has good frost resistance.
The method for stretching of presstressed reinforcing steel: in stretching process, gap between plate keep one to, be convenient to yellow ground joint filling, the steel strand of two tensioning equipments to same plate two end should be adopted simultaneously to carry out stretch-draw.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 (6)
1. a concrete road for Fast Installation, is characterized in that comprising, four precast plates, and the both sides of described precast plate are provided with the hole for placing steel strand, are connected between adjacent precast plate by steel strand; Steel hinge line diameter is 14.50mm,
Four sides of described precast plate all arrange the hole 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,
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, the material of described precast plate is cement, flyash, sand, water, nylon fiber, calcium metasilicate, neopelex, carborundum powder.
2. the concrete road of a kind of Fast Installation 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.
3. the concrete road of a kind of Fast Installation 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.
4. the concrete road of a kind of Fast Installation 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.
5. the concrete road of a kind of Fast Installation according to claim 1, is characterized in that, is filled with yellow sand in the gap between adjacent precast plate.
6. the concrete road of a kind of Fast Installation according to claim 1, it is characterized in that, the material of described precast plate, is calculated by weight to cement 400-450 part, flyash 40-90 part, sand 600-700 part, 100 parts, water, nylon fiber 0.2-0.4 part, calcium metasilicate 10-15 part, neopelex 10-13 part, carborundum powder 11-16 part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486778.2A CN105064159B (en) | 2015-08-11 | 2015-08-11 | A kind of concrete road of Fast Installation |
| CN201710266943.2A CN107059524A (en) | 2015-08-11 | 2015-08-11 | A kind of freeze proof Fast Installation concrete road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486778.2A CN105064159B (en) | 2015-08-11 | 2015-08-11 | A kind of concrete road of Fast Installation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710266943.2A Division CN107059524A (en) | 2015-08-11 | 2015-08-11 | A kind of freeze proof Fast Installation concrete road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105064159A true CN105064159A (en) | 2015-11-18 |
| CN105064159B CN105064159B (en) | 2017-09-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486778.2A Active CN105064159B (en) | 2015-08-11 | 2015-08-11 | A kind of concrete road of Fast Installation |
| CN201710266943.2A Pending CN107059524A (en) | 2015-08-11 | 2015-08-11 | A kind of freeze proof Fast Installation concrete road |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710266943.2A Pending CN107059524A (en) | 2015-08-11 | 2015-08-11 | A kind of freeze proof Fast Installation concrete road |
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| CN (2) | CN105064159B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012751A (en) * | 2016-06-13 | 2016-10-12 | 上海建工七建集团有限公司 | Integrated prefabricating construction method for roads, drainage ditches and foundations of enclosing walls |
| CN112609527A (en) * | 2020-12-16 | 2021-04-06 | 中铁十一局集团第五工程有限公司 | Invisible joint and hoisting hole site steel fiber concrete pavement slab and fabricated pavement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2243637A (en) * | 1990-04-30 | 1991-11-06 | Heng Beng Lam | Method of constructing a roadway |
| CN102535295A (en) * | 2012-03-21 | 2012-07-04 | 长安大学 | Fabricated prestressed heat-resistant cement concrete pavement and construction process thereof |
| CN202718022U (en) * | 2012-06-14 | 2013-02-06 | 长安大学 | Fabricated type prestressed concrete pavement |
| CN203923831U (en) * | 2014-07-07 | 2014-11-05 | 刘浦贵 | A kind of ladder type concrete member prestressing force assembling roadbed |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1011756A1 (en) * | 1981-12-31 | 1983-04-15 | Ленинградская Ордена Ленина Лесотехническая Академия Им.С.М.Кирова | Butt joint of knock-down prefabricated paving of ferroconcrete slab |
| CN203684027U (en) * | 2013-12-24 | 2014-07-02 | 深圳市建工集团股份有限公司 | Prefabricated assembled temporary road for building operations |
| CN104594210B (en) * | 2015-01-19 | 2016-04-13 | 肖礼经 | A kind of concrete prefabricated board and its preparation method and application |
-
2015
- 2015-08-11 CN CN201510486778.2A patent/CN105064159B/en active Active
- 2015-08-11 CN CN201710266943.2A patent/CN107059524A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2243637A (en) * | 1990-04-30 | 1991-11-06 | Heng Beng Lam | Method of constructing a roadway |
| CN102535295A (en) * | 2012-03-21 | 2012-07-04 | 长安大学 | Fabricated prestressed heat-resistant cement concrete pavement and construction process thereof |
| CN202718022U (en) * | 2012-06-14 | 2013-02-06 | 长安大学 | Fabricated type prestressed concrete pavement |
| CN203923831U (en) * | 2014-07-07 | 2014-11-05 | 刘浦贵 | A kind of ladder type concrete member prestressing force assembling roadbed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012751A (en) * | 2016-06-13 | 2016-10-12 | 上海建工七建集团有限公司 | Integrated prefabricating construction method for roads, drainage ditches and foundations of enclosing walls |
| CN112609527A (en) * | 2020-12-16 | 2021-04-06 | 中铁十一局集团第五工程有限公司 | Invisible joint and hoisting hole site steel fiber concrete pavement slab and fabricated pavement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105064159B (en) | 2017-09-01 |
| CN107059524A (en) | 2017-08-18 |
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