CN105064160B - A kind of concrete prepackage road of High anti bending strength - Google Patents

A kind of concrete prepackage road of High anti bending strength Download PDF

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Publication number
CN105064160B
CN105064160B CN201510486833.8A CN201510486833A CN105064160B CN 105064160 B CN105064160 B CN 105064160B CN 201510486833 A CN201510486833 A CN 201510486833A CN 105064160 B CN105064160 B CN 105064160B
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CN
China
Prior art keywords
prefabricated board
parts
road
shearing resistance
steel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201510486833.8A
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Chinese (zh)
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CN105064160A (en
Inventor
郭晓磊
林海森
陈颖
宁敏
丁玉洁
李晓琼
王春霞
田育民
温少明
刘春莲
乔得成
代丛丛
袁霞
杨朝旭
蔺志敏
任洪涛
丁一
李志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chen Ying
Dai Congcong
Ding Yi
Ding Yujie
Guo Xiaolei
Li Xiaoqiong
Li Zhiyong
Lin Haisen
Lin Zhimin
Liu Chunlian
Ning Min
Qiao Decheng
Ren Hongtao
Tian Yumin
Wang Chunxia
Wen Shaoming
Yang Chaoxu
Yuan Xia
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510486833.8A priority Critical patent/CN105064160B/en
Priority to CN201710360359.3A priority patent/CN106988183A/en
Publication of CN105064160A publication Critical patent/CN105064160A/en
Application granted granted Critical
Publication of CN105064160B publication Critical patent/CN105064160B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00Pavings made of prefabricated single units
    • E01C5/06Pavings made of prefabricated single units made of units with cement or like binders
    • E01C5/065Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/02Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/10Packing of plastic or elastic materials, e.g. wood, resin
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00Pavings made of prefabricated single units
    • E01C5/06Pavings made of prefabricated single units made of units with cement or like binders
    • E01C5/08Reinforced units with steel frames
    • E01C5/10Prestressed reinforced units ; Prestressed coverings from reinforced or non-reinforced units
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction

Abstract

The present invention discloses a kind of concrete prepackage road of High anti bending strength, including four prefabricated boards, and prefabricated board is concrete prefabricated board, and the both sides of described prefabricated board are provided with the hole for placing steel strand wires, is connected by steel strand wires between adjacent prefabricated board;The a diameter of 15.50mm of steel hinge line, four sides of described prefabricated board are respectively provided with the hole for placing steel strand wires, are connected by steel strand wires between adjacent prefabricated board;Four prefabricated boards constitute a road surface unit using steel hinge line and by steel connecting plate band on the outside of prefabricated board;Prefabricated board between adjacent is also equipped with connecting bond structure, described connection bond structure includes the convex key of shearing resistance and the recessed key of shearing resistance that cooperate, it is convenient transportation of the present invention, quick for installation, plate is divided into multiple species and model according to the ratio on road deck short side and side long, to ensure that road deck does not occur fracture, breakage under heavy-duty vehicle repeated action, between plate and plate at linkage interface, there is provided some anti-shearing connecting keys of positioning.

Description

A kind of concrete prepackage road of High anti bending strength
Technical field
A kind of concrete the present invention relates to High anti bending strength pre-installs road.
Background technology
China's economy is currently under high-speed development period, the annual road for building a large amount of various grades, wherein very big It is concrete road to divide.Country's concrete road mainly uses cast-in-place concrete construction technique, it is necessary to live formwork supporting plate, ties up at present Wire-tie, casting concrete, the work progress such as concrete curing.It is mainly as follows to there is drawback in cast-in-place concrete production technology:
Low production efficiency, expends substantial amounts of human resources, long construction period.Site operation mainly uses manual work, produces Quality is difficult to ensure.Big for environment pollution, poured in place concrete produces the environmental pollutions such as noise, sewage, waste material.Tear open on road surface Except or it is discarded when, ground surface material formed building waste, it is impossible to reuse, cause the wasting of resources.Construction climate influence is big.Rain Season and cold season unfavorable construction, cause the seasonal downtime more long.Therefore, the disadvantage mentioned above of cast-in-place concrete road, into To restrict the bottleneck of concrete road industrialization development.
And precast concrete road has the advantage that:
1)Production efficiency is high, saves human resources, is advantageously implemented road engineering industrialization.Precast concrete road is in work Factory's mechanization production component, site machineryization is installed, and far above the artificial production in scene, it is industry work to become builder to production efficiency People, lifts industry industrialization level.
2)Construction period is short, reduces Climatic risk.Precast concrete road in-site installation weatherproof, winter still may be used Construction, and without concrete curing, the road construction cycle is substantially reduced, reduce because of the economic loss that climate change brings.
3)Meet civilized construction and environmental requirement.Precast concrete road in-site installation noiselessness, sewage, airborne dust, can protect The good operating environment in job site is held, it is small to surrounding environment influence.
4)Good product quality.Precast concrete road product is that factory's shaping standard metaplasia is produced, and realizes Specialty Design, is made Make, the cast-in-place concrete road than making in product quality and security performance is more guaranteed.
5)Resource utilization is high, is conducive to social sustainable development.Precast concrete road can be realized disassembling reuse, When road needs to remove or move, concrete pavement slab can disassemble resettlement and reuse.And concrete dirt road Industrial waste and circular regeneration material, to economizing on resources, energy-saving and emission-reduction meaning weight can be largely used in the process of factory production of road Greatly, social sustainable development is conducive to.
It is contemplated that:Industrialized level is higher, and the precast concrete road of better quality will be the development side of road engineering To.Promoting the use of to lifting road engineering industry level for precast concrete road, reduces construction cost, accelerates construction week Phase, reducing Construction on Environment influence all has positive role.
The content of the invention
For the problem that above-mentioned prior art is present, the present invention is provided the invention provides a kind of pin-connected panel Pre-coagulation dirt road Road.The road includes concrete pavement slab, and road deck is prefabricated in processing factory, is transported to job site positioning assembly, road surface Slab geomitry size, determines, High anti bending strength according to the number of track-lines and design grade of design requirement.
To achieve these goals, the technical solution adopted by the present invention is:A kind of solidifying soil prepackage road of High anti bending strength, Four prefabricated boards, the both sides of described prefabricated board are provided with the hole for placing steel strand wires, pass through between adjacent prefabricated board Steel strand wires are connected;The a diameter of 13.80mm of steel hinge line,
Four sides of described prefabricated board are respectively provided with the hole for placing steel strand wires, and steel strand wires are passed through between adjacent prefabricated board Connection;
Four prefabricated boards constitute a road surface unit using steel hinge line and by steel connecting plate band on the outside of prefabricated board;
Prefabricated board between adjacent is also equipped with connecting bond structure, and described connection bond structure includes the shearing resistance for cooperating Convex key and the recessed key of shearing resistance;The material of described prefabricated board is cement, flyash, sand, water, nylon fiber, calcium metasilicate, 12 Sodium alkyl benzene sulfonate, palygorskite,
The convex key of described shearing resistance is one has the pedestal of the raised conical surface;The recessed key of described shearing resistance is one, and there is depression to bore The pedestal in face, the raised conical surface can be with depression cone match.
Two medial extremitys of described prefabricated board are mounted on the convex key of shearing resistance, and the side for corresponding prefabricated board 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 into prefabricated board side respectively, and are welded with anchor rib.
One block of rubber slab is set between described steel connecting plate band and prefabricated board plate contact surface.
Yellow sand is filled with gap between adjacent prefabricated board.
The material of described prefabricated board, is calculated by weight to cement 400-450 parts, flyash 40-90 parts, sand 500-580 Part, 100 parts of water, nylon fiber 0.2-0.4 parts, calcium metasilicate 10-15 parts, neopelex 10-13 parts, palygorskite 20-30 parts.
Beneficial aspects of the invention:
The road includes concrete pavement slab, and road deck is prefabricated in processing factory, is transported to job site positioning assembled. Road deck physical dimension, determines according to the number of track-lines and design grade of design requirement.
For road surface plate convenient transportation, quick for installation, plate is divided into multiple according to the ratio on road deck short side and side long Species and model.
To ensure that road deck does not occur fracture, damaged, the linkage interface between plate and plate under heavy-duty vehicle repeated action Place, there is provided some anti-shearing connecting keys of positioning.
To give full play to every piece of bearing capacity of plate, the present invention uses soap-free emulsion polymeization post-tensioned prestressing steel hinge line, and by plate Outside steel connecting plate band, an organic whole is connected into by adjacent four blocks of plates.
Under for buffering heavy-duty vehicle repeated action, 10-15mm gaps are reserved at linkage interface, filled with yellow ground, shape Into being flexible coupling.
Using special concrete batching, the concrete prefabricated board made has rupture strength higher.
Brief description of the drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is Fig. 1 sectional views.
Fig. 3 is connecting key structural representation.
1st, prefabricated board, 2, steel strand wires, 3, steel connecting plate band, 4, stretching end anchorage, 5, fixing end anchorage, 6, duct, 7, Connection bond structure, 8, anchor rib, 71, the convex key of shearing resistance, 72, the recessed key of shearing resistance.
Specific embodiment
1 the invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of solidifying soil prepackage road of High anti bending strength, has multiple road surface unit layings for arranging to form, Each road surface unit includes 4 pieces of prefabricated boards 1, and the both sides of described prefabricated board 1 are provided with the hole 6 for placing steel strand wires 2, phase Connected by steel strand wires between adjacent prefabricated board 1.In order to preferably increase intensity, four sides of prefabricated board are respectively provided with placement steel The hole of twisted wire, is connected between adjacent prefabricated board by steel strand wires 2, has 3 to 4 bar steels to twist result in formation of each piece of prefabricated board Line is connected, and enhances road surface unit resistance to overturning,
During processing factory's prefabricated board, in steel connecting plate with the 3 concrete pressure-bearing positions being in contact with concrete slab, bury respectively If one of helical form stirrup and the road of reinforcing bar weld tabs three, to strengthen concrete Local bearing capacity.Prefabricated board is prefabricated in processing factory, is transported to Job site positioning is assembled.Prefabricated board physical dimension, determines according to the number of track-lines and design grade of design requirement.To design etc. Level concrete road surface higher, should combine local engineering geology and water wave related data, according to relevant test stone, rule before laying Whether model, design document requirement is met to its roadbed and is checked and is checked and accepted.
Prefabricated board is made using armored concrete, and template can use set shaped steel formwork, reserving hole channel is should be noted during making, is resisted Cut pre-buried key and inspection shaft openings position and size is accurate.Prefabricated board is divided into multiple models, so as to scale standardized production.Foundation The lenth ratio on prefabricated board short side and side long is divided into multiple species(Such as:A, B, C class), each species is long according to prefabricated board short side Degree is divided into multiple models(Such as:A2000, B2250, C2500 model);According to highway layout width, matching somebody with somebody for different model is selected Set product carries out assembly.
Prefabricated board between adjacent is also equipped with connecting bond structure 7, and described connection bond structure 7 includes that what is cooperated resists Cut convex key 71 and the recessed key 72 of shearing resistance.Connection bond structure 7 has several, uniform arrangement be arranged on two adjacent prefabricated boards 1 it Between,
Two medial extremitys of described prefabricated board are mounted on the convex key of shearing resistance, and the side for corresponding prefabricated board is provided with The recessed key of shearing resistance.
This cone structure show that its shearing stress effect is especially good through overtesting,
The convex key of described shearing resistance and the recessed key of shearing resistance are embedded into prefabricated board side respectively, and are welded with anchor rib, firmly simultaneously And it is easy for installation.
One block of rubber slab is set between described steel connecting plate band 3 and the contact surface of prefabricated board plate 1.Prevention is applied to steel hinge line Plus during stress, cause road deck outer surface to produce local damage.
Under for buffering heavy-duty vehicle repeated action, 10-15mm gaps are reserved at linkage interface, filled with yellow ground, shape Into being flexible coupling,
The a diameter of 13.80mm of steel hinge line, steel hinge line standard pull tension intensity level is 1860 N/mm2, by two ends anchorage by steel Hinge line is anchored in the outside of steel connecting plate band.
The method for stretching of presstressed reinforcing steel:In for stretching process, should be using two tensioning equipments to the steel at the end of same plate two Twisted wire carries out tensioning simultaneously.After tensioning is finished, steel hinge line, the anchorage outside exposure are wrapped up with butter, plastic foil in time Preservative treatment
The convex key of described shearing resistance is one has the pedestal of the raised conical surface;The recessed key of described shearing resistance is one, and there is depression to bore The pedestal in face, the raised conical surface can be with depression cone match.
Between steel connecting plate band 3 and road deck contact surface, one block of 5mm thickness rubber slab is set, prevention applies to steel hinge line During stress, road deck outer surface is caused to produce local damage.
The material of above-mentioned prefabricated board, is calculated by weight to cement 400-450 parts, flyash 40-90 parts, sand 500-580 Part, 100 parts of water, nylon fiber 0.2-0.4 parts, calcium metasilicate 10-15 parts, neopelex 10-13 parts, palygorskite 20-30 parts.Above-mentioned formula has rupture strength higher.
Embodiment 1:450 parts of cement, 60 parts of flyash, 530 parts of sand, 100 parts of water, 0.2 part of nylon fiber, calcium metasilicate 12 Part, 11 parts of neopelex, 24 parts of palygorskite.
Comparative example 1:450 parts of cement, 60 parts of flyash, 530 parts of sand, 100 parts of water.
Comparative example 2:450 parts of cement, 60 parts of flyash, 530 parts of sand, 100 parts of water, 0.2 part of nylon fiber, calcium metasilicate 12 Part, 11 parts of neopelex.
Comparative example 3:450 parts of cement, 60 parts of flyash, 530 parts of sand, 100 parts of water, 0.5 part of nylon fiber, palygorskite 54 Part.
Ratio is assembled according to above-mentioned four, respectively concrete batching.And determine concrete, compression strength, rupture strength experiment root According to《Cement Concrete in Highway Engineering testing regulations》In method carry out, i.e.,:;Compression strength is tested by T0517-94;It is anti- Folding intensity is tested by T0521-94.
Above-mentioned result of the test shows that embodiment has preferable rupture strength and preferable resistance to compression relative to comparative example 1-3 Intensity.

Claims (1)

1. a kind of concrete of High anti bending strength pre-installs road, it is characterised in that including four prefabricated boards, steel hinge line is a diameter of 13.80mm, four sides of described prefabricated board are respectively provided with the hole for placing steel strand wires, are twisted by steel between adjacent prefabricated board Line is connected;Four prefabricated boards constitute a road surface unit using steel hinge line and by steel connecting plate band on the outside of prefabricated board;Phase Prefabricated board between neighbour is also equipped with connecting bond structure, and described connection bond structure includes the convex key of shearing resistance and the shearing resistance that cooperate Recessed key, the convex key of described shearing resistance is one has the pedestal of the raised conical surface;The recessed key of described shearing resistance is one has the depression conical surface Pedestal, the raised conical surface can be with depression cone match, and two medial extremitys of described prefabricated board be mounted on the convex key of shearing resistance, with The side of corresponding prefabricated board the recessed key of shearing resistance is installed, the convex key of described shearing resistance and the recessed key of shearing resistance are embedded into prefabricated board side respectively In face, and welded with anchor rib, one block of rubber slab is set between described steel connecting plate band and prefabricated board plate contact surface, it is adjacent Prefabricated board between gap in be filled with yellow sand, the material of described prefabricated board, be calculated by weight to cement 400-450 parts, Flyash 40-90 parts, sand 500-580 parts, 100 parts of water, nylon fiber 0.2-0.4 parts, calcium metasilicate 10-15 parts, dodecyl Benzene sulfonic acid sodium salt 10-13 parts, palygorskite 20-30 parts.
CN201510486833.8A 2015-08-11 2015-08-11 A kind of concrete prepackage road of High anti bending strength Expired - Fee Related CN105064160B (en)

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CN201710360359.3A CN106988183A (en) 2015-08-11 2015-08-11 A kind of concrete road of High anti bending strength

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Publication number Priority date Publication date Assignee Title
CN108005031A (en) * 2017-12-31 2018-05-08 华北水利水电大学 Based on LINE-X flexible panel rock-fill dams
CN111809472B (en) * 2020-07-15 2022-06-17 孙亚 Different-terrain self-adaptive rapid installation road

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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

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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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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

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CN105064160A (en) 2015-11-18

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