CN106918383A - It is provided with the electronic vehicle weighing apparatus of steel fiber reinforced concrete skid resistant course - Google Patents

It is provided with the electronic vehicle weighing apparatus of steel fiber reinforced concrete skid resistant course Download PDF

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Publication number
CN106918383A
CN106918383A CN201710231440.1A CN201710231440A CN106918383A CN 106918383 A CN106918383 A CN 106918383A CN 201710231440 A CN201710231440 A CN 201710231440A CN 106918383 A CN106918383 A CN 106918383A
Authority
CN
China
Prior art keywords
steel
reinforced concrete
fiber reinforced
resistant course
skid resistant
Prior art date
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.)
Pending
Application number
CN201710231440.1A
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Chinese (zh)
Inventor
陈建华
胡其锋
陈其晶
周生
邓胜龙
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.)
JIANGXI ZHONGJIALI SCALE & SYSTEM Co Ltd
Original Assignee
JIANGXI ZHONGJIALI SCALE & SYSTEM Co Ltd
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 JIANGXI ZHONGJIALI SCALE & SYSTEM Co Ltd filed Critical JIANGXI ZHONGJIALI SCALE & SYSTEM Co Ltd
Priority to CN201710231440.1A priority Critical patent/CN106918383A/en
Publication of CN106918383A publication Critical patent/CN106918383A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G21/00Details of weighing apparatus
    • G01G21/22Weigh pans or other weighing receptacles; Weighing platforms

Abstract

The present invention provides a kind of on the electronic vehicle weighing apparatus bearing platform surface being made up of steel plate, and one layer of laying is by the blended tack coat and mixed layer for constituting of 8 kinds or more materials in metaphenylene unsaturated polyester (UP), cement, polymer emulsion, concrete additives, rectangle steel fibre, circular copper fiber, polypropylene anticracking fiber, ragstone, medium coarse sand, fly ash material.Preparation method of the invention is:First packed layer surrounding edge 7 is made in weighing platform upper surface, and the surface of steel plate 6 to bearing platform 1 carries out ball blast, simultaneously prepares binding agent 8, rinses the surface of steel plate for being coated in steel fiber reinforced concrete skid resistant course to be laid;Another side utilizes mixing plant, and mixed layer 9 is stirred by each necessary requirement;Mixed layer is mated formation after being stirred on truck scale bearing platform surface and reconditioning is smooth, is maintained by concrete curing requirement.

Description

It is provided with the electronic vehicle weighing apparatus of steel fiber reinforced concrete skid resistant course
Technical field
The present invention relates to a kind of improved electronic vehicle weighing apparatus, particularly a kind of electronics for being provided with steel fiber reinforced concrete skid resistant course Truck scale.
Background technology
Existing electronic vehicle weighing apparatus it is main by bearing platform, weighing sensor, Weighing display device, terminal box, signal line group into, They are mainly used in weighing automobile carrier on highway.The deficiency that existing electronic vehicle weighing apparatus exist in use is:Claim Easily there is vehicle and occurs situation about skidding on load-bearing table top when driving towards weighing table and weighing in loaded vehicle, especially it is rainy, Freezing season, often there is vehicle and skid off load-bearing table top, this brings considerable influence to the work of normal weight metering charging, and there is also Certain traffic safety hidden danger.Cause the problem main reason is that, the load-bearing table top of vehicle truck scale is by a Large Steel Plate is constituted, and the coefficient of friction between steel plate and automobile tire is smaller, in the case of especially there are water and ice therebetween, It is even more so, so being easy to situation about skidding occur.Although existing some anti-skidding technical schemes are proposed, the cloth such as on steel plate Decorative pattern tread plate, " alkyd resin+fine sand " anti-skid structure etc., although these technical schemes improve the skid resistance of truck scale, but It is larger to the impact of weighing platform during weighing apparatus that the problem of presence is that automobile is crossed, and it is slower and unstable to read data when truck scale is weighed, influence The efficiency of weight metering charging.
The content of the invention
It is an object of the present invention to be directed to existing vehicle weigh electronic vehicle weighing apparatus above-mentioned deficiency existing in use, And propose that a kind of non-skid property is good, the reliable and stable electronic car for being provided with steel fiber reinforced concrete skid resistant course when truck scale is weighed Weighing apparatus.
The object of the invention, a kind of electronic car for being provided with steel fiber reinforced concrete skid resistant course can be realized by following technical proposals Weighing apparatus, including bearing platform, pedestal, weighing sensor, Weighing display device, terminal box, holding wire, steel fiber reinforced concrete surrounding edge, it is special Levy and be, on the bearing platform surface being made up of steel plate, be provided with one layer by metaphenylene unsaturated polyester (UP), cement, polymer emulsion, mixed In solidifying soil auxiliary agent, rectangle steel fibre, circular copper fiber, polypropylene anticracking fiber, ragstone, medium coarse sand, fly ash material 8 The tack coat and mixed layer of kind or more the blended composition of material.
Wherein, metaphenylene unsaturated polyester (UP) and cement admixture are the interface between steel plate and steel fiber reinforced concrete skid resistant course Binding agent, binding agent is by weight percentage:Metaphenylene unsaturated polyester (UP) 80~83%;Cement 17~20%.
Wherein, the component of steel fiber reinforced concrete skid resistant course is constituted is by weight percentage:Cement 16~18%;Polymer breast Liquid 9.5~11%;Concrete additives 0.2~0.3%;Rectangle steel fibre 5~5.5%;Circular copper fiber 10~11.5%;Polypropylene is prevented Split fiber 0.1~0.12%;Ragstone 26~27%;Medium coarse sand 26~27%;Flyash 4.5~5%.
Wherein, the component of steel fiber reinforced concrete skid resistant course is constituted is by weight percentage:Cement 16~17%;Polymer breast Liquid 8.5~10%;Concrete additives 0.2~0.3%;Rectangle steel fibre 6~6.5%;Circular copper fiber 9~10.5%;Polypropylene is prevented Split fiber 0.1~0.12%;Ragstone 52~54%;Flyash 3.5~4%.
Wherein, the component of steel fiber reinforced concrete skid resistant course is constituted is by weight percentage:Cement 14~15%;Polymer breast Liquid 8.5~10%;Concrete additives 0.2~0.3%;Rectangle steel fibre 7~8.5%;Circular copper fiber 8~8.5%;Polypropylene anticracking Fiber 0.1~0.12%;Medium coarse sand 52~54%;Flyash 6.5~7%.
Wherein, the component of steel fiber reinforced concrete skid resistant course is constituted is by weight percentage:Cement 18~19%;Polymer breast Liquid 7.5~9%;Concrete additives 0.2~0.3%;Rectangle steel fibre 8~8.5%;Circular copper fiber 7~8.5%;Polypropylene anticracking Fiber 0.1~0.12%;Ragstone 26~27%;Medium coarse sand 26~27%;Flyash 2.5~3%;Rectangle steel fibre is that equivalent is straight Footpath is that 2.5~2.8mm cuts fiber.
Circular copper fiber is diameter 0.6~0.8mm cold-drawn copper wires.
Polypropylene anticracking fiber is tensile strength >=630Mpa acid and alkali-resistance monofilament white fibers.
The particle diameter of ragstone is 2.5mm~4.5mm.
The particle diameter of medium coarse sand is 1.2mm~2.5mm.
Preparation method of the invention is:Steel fiber reinforced concrete filling surrounding edge is first made, and surface of steel plate to bearing platform enters Row ball blast, it is ensured that surface reaches Ra45-Ra65 without greasy dirt, rusty stain, surface roughness;During construction operation, simultaneously matched somebody with somebody with agitator Binding agent processed, will load weighted metaphenylene unsaturated polyester resin add cement to be stirred, the material that will be stirred passes through The mode for spraying or rinsing painting is covered in the surface of steel plate of steel fiber reinforced concrete skid resistant course to be laid;During construction operation, another side profit With mixing plant, to cement, polymer emulsion, concrete additives, rectangle steel fibre, circular copper fiber, polypropylene anticracking fiber, Ragstone, medium coarse sand, flyash are thoroughly mixed;During construction operation, it is desirable to 0.5 after spraying or rinsing painting interface adhesive ~2.0 hours, steel fiber reinforced concrete mixing material is laid on the above-mentioned interfacial adhesion of surface of steel plate layer.
Effect of the invention is that:1st, non-skid property is good, and it is in the bearing platform being made up of steel plate that this essentially consists in the present invention Surface is provided with one layer of mixed layer being made up of interface adhesive and steel fiber reinforced concrete skid resistant course, and the mixed layer has excellent anti- Slip energy, its pendulum type friction value(Unit:BPN)> 35, cornering ratio(Unit:SFC60)> 80, much larger than existing electronics vapour The numerical value of car weighing apparatus(Pendulum type friction value(Unit:BPN)< 10, cornering ratio(Unit:SFC60)Nothing), can well prevent automobile The situation for skidding or skidding off load-bearing table top occurs, and greatly reduces traffic safety hidden danger;It is 2nd, reliable and stable when truck scale is weighed, The efficiency and accuracy weighed are improve, the economic benefit of enterprise is improve, this is this truck scale bearing platform mantle friction system Number is big and smooth, and automobile is in upper smooth ride and easily stops very much, so, be not in read the slower and unstable feelings of data Condition.
Brief description of the drawings
Accompanying drawing 1 is easy structure schematic diagram of the invention;Accompanying drawing 2 is circuit box structure schematic diagram of the invention.
The present invention is expanded on further with reference to embodiment and accompanying drawing:
Specific embodiment
Embodiment 1, referring to accompanying drawing 1 and accompanying drawing 2, a kind of electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course, it leads To be made up of bearing platform 1, weighing instrument 2, terminal box 3, holding wire 4, sensor 5.Bearing platform 1 is glued by steel plate 6, coaming plate 7, interface Knot layer 8, steel fiber reinforced concrete skid resistant course 9 are constituted;The component of interfacial adhesion layer 8 constitutes precentagewise:Metaphenylene is unsaturated poly- Ester 80~83%;Cement 17~20%;The component of steel fiber reinforced concrete skid resistant course 9 constitutes precentagewise:Cement 16~18%;It is poly- Compound emulsion 9.5~11%;Concrete additives 0.2~0.3%;Rectangle steel fibre 5~5.5%;Circular copper fiber 10~11.5%;It is poly- Propylene anticracking fiber 0.1~0.12%;Ragstone 26~27%;Medium coarse sand 26~27%;Flyash 4.5~5%.The present embodiment Feature is:Coefficient of friction is big, adhered to one another and viscous between steel fiber reinforced concrete skid resistant course and interfacial adhesion layer and steel construction weighing platform face Knot power is strong and steel fiber reinforced concrete skid resistant course has preferable elasticity, temperature range -30~75 DEG C, it is adaptable to south and north ground Area.
Embodiment 2, referring to accompanying drawing 1 and accompanying drawing 2, a kind of electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course, it leads To be made up of bearing platform 1, weighing instrument 2, terminal box 3, holding wire 4, sensor 5.Bearing platform 1 is glued by steel plate 6, coaming plate 7, interface Knot layer 8, steel fiber reinforced concrete skid resistant course 9 are constituted;The component of interfacial adhesion layer 8 constitutes precentagewise:Metaphenylene is unsaturated poly- Ester 80~83%;Cement 17~20%;The component of steel fiber reinforced concrete skid resistant course 9 is constituted:Cement 16~ 17%;Polymer emulsion 8.5~10%;Concrete additives 0.2~0.3%;Rectangle steel fibre 6~6.5%;Circular copper fiber 9~ 10.5%;Polypropylene anticracking fiber 0.1~0.12%;Ragstone 52~54%;Flyash 3.5~4%.The characteristics of the present embodiment It is:Coefficient of friction is big, adhered to one another and cohesive force between steel fiber reinforced concrete skid resistant course and interfacial adhesion layer and steel construction weighing platform face Relatively strong and steel fiber reinforced concrete skid resistant course has certain elasticity, there is preferable drainage temperature range -10~80 °, skid resistant course Can, it is adaptable to southern area.
Embodiment 3, referring to accompanying drawing 1 and accompanying drawing 2, a kind of electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course, it leads To be made up of bearing platform 1, weighing instrument 2, terminal box 3, holding wire 4, sensor 5.Bearing platform 1 is glued by steel plate 6, coaming plate 7, interface Knot layer 8, steel fiber reinforced concrete skid resistant course 9 are constituted;The component of interfacial adhesion layer 8 constitutes precentagewise:Metaphenylene is unsaturated poly- Ester 80~83%;Cement 17~20%;The component of steel fiber reinforced concrete skid resistant course 9 is constituted:Cement 14~ 15%;Polymer emulsion 8.5~10%;Concrete additives 0.2~0.3%;Rectangle steel fibre 7~8.5%;Circular copper fiber 8~ 8.5%;Polypropylene anticracking fiber 0.1~0.12%;Medium coarse sand 52~54%;Flyash 6.5~7%.The characteristics of the present embodiment is:Rub Wiping coefficient is larger, adhered to one another between steel fiber reinforced concrete skid resistant course and interfacial adhesion layer and steel construction weighing platform face and cohesive force is strong, And steel fiber reinforced concrete skid resistant course has good elasticity, temperature range -30~55 DEG C, it is adaptable to northern area.
Embodiment 4, referring to accompanying drawing 1 and accompanying drawing 2, a kind of electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course, it leads To be made up of bearing platform 1, weighing instrument 2, terminal box 3, holding wire 4, sensor 5.Bearing platform 1 is glued by steel plate 6, coaming plate 7, interface Knot layer 8, steel fiber reinforced concrete skid resistant course 9 are constituted;The component of interfacial adhesion layer 8 constitutes precentagewise:Metaphenylene is unsaturated poly- Ester 80~83%;Cement 17~20%;The component of steel fiber reinforced concrete skid resistant course 9 is constituted:Cement 18~ 19%;Polymer emulsion 7.5~9%;Concrete additives 0.2~0.3%;Rectangle steel fibre 8~8.5%;Circular copper fiber 7~ 8.5%;Polypropylene anticracking fiber 0.1~0.12%;Ragstone 26~27%;Medium coarse sand 26~27%;Flyash 2.5~3%.This The characteristics of embodiment is:Coefficient of friction is big, mutual between steel fiber reinforced concrete skid resistant course and interfacial adhesion layer and steel construction weighing platform face Bond and cohesive force is strong and steel fiber reinforced concrete skid resistant course has preferable elasticity, temperature range -30~75 °, skid resistant course have necessarily Drainage performance, it is adaptable to south and northern area.
Preparation method of the invention is:First make bearing platform and fill surrounding edge with steel fiber reinforced concrete, and to the steel of bearing platform Plate surface carries out ball blast, it is ensured that surface reaches Ra45-Ra65 without greasy dirt, rusty stain, surface roughness;During construction operation, simultaneously use Agitator prepares binding agent, will load weighted metaphenylene unsaturated polyester resin add cement to be stirred, by what is be stirred Material is covered in the surface of steel plate of steel fiber reinforced concrete skid resistant course to be laid by way of spraying or rinsing painting;Binder making Mixing plant, mix proportion scheme needed for selection, to cement, polymer emulsion, concrete additives, rectangle steel fibre, circle are utilized simultaneously Shape copper fiber, polypropylene anticracking fiber, ragstone, medium coarse sand, flyash are thoroughly mixed.
Construction point 1:It is required that in 0.5~2.0 hour, steel fiber reinforced concrete is prevented after spraying or rinsing painting interface adhesive Sliding material-paving is on the above-mentioned interfacial adhesion layer of surface of steel plate.
Construction point 2:Steel fiber reinforced concrete pave it is whole after, steel fiber reinforced concrete is repaiied with Bricklayer tool it is floating whole, 5~ Steel fiber reinforced concrete upper surface is polished with concrete sanding machine in 6.5 hours.

Claims (10)

1. a kind of electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course, including bearing platform, load-bearing base body, weighing and sensing Device, Weighing display device, terminal box, holding wire, steel fiber reinforced concrete surrounding edge, it is characterised in that the bearing platform table being made up of steel plate Face, is provided with one layer by metaphenylene unsaturated polyester (UP), cement, polymer emulsion, concrete additives, rectangle steel fibre, circular copper fibre 8 kinds or more the bondings of the blended composition of material in dimension, polypropylene anticracking fiber, ragstone, medium coarse sand, fly ash material Layer and mixed layer;Wherein, metaphenylene unsaturated polyester (UP) and cement admixture are between steel plate and steel fiber reinforced concrete skid resistant course Interface adhesive.
2. electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1, it is characterised in that wherein, steel The component of fiber concrete skid resistant course is constituted:Cement 16~18%;Polymer emulsion 9.5~11%;Coagulation Native auxiliary agent 0.2~0.3%;Rectangle steel fibre 5~5.5%;Circular copper fiber 10~11.5%;Polypropylene anticracking fiber 0.1~ 0.12%;Ragstone 26~27%;Medium coarse sand 26~27%;Flyash 4.5~5%.
3. electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1, it is characterised in that wherein, steel The component of fiber concrete skid resistant course is constituted:Cement 16~17%;Polymer emulsion 8.5~10%;Coagulation Native auxiliary agent 0.2~0.3%;Rectangle steel fibre 6~6.5%;Circular copper fiber 9~10.5%;Polypropylene anticracking fiber 0.1~ 0.12%;Ragstone 52~54%;Flyash 3.5~4%.
4. electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1, it is characterised in that wherein, steel The component of fiber concrete skid resistant course is constituted:Cement 14~15%;Polymer emulsion 8.5~10%;Coagulation Native auxiliary agent 0.2~0.3%;Rectangle steel fibre 7~8.5%;Circular copper fiber 8~8.5%;Polypropylene anticracking fiber 0.1~0.12%; Medium coarse sand 52~54%;Flyash 6.5~7%.
5. electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1, it is characterised in that wherein, steel The component of fiber concrete skid resistant course is constituted:Cement 18~19%;Polymer emulsion 7.5~9%;Concrete Auxiliary agent 0.2~0.3%;Rectangle steel fibre 8~8.5%;Circular copper fiber 7~8.5%;Polypropylene anticracking fiber 0.1~0.12%;Firmly Matter rock 26~27%;Medium coarse sand 26~27%;Flyash 2.5~3%.
6. the electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1 or 2 or 3 or 4 or 5, its feature It is addition rectangle steel fibre in concrete, equivalent diameter is that 2.5~2.8mm cuts fiber.
7. the electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1 or 2 or 3 or 4 or 5, its feature It is the circular copper fiber of addition, diameter 0.6~0.8mm cold-drawn copper wires in concrete.
8. the electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1 or 2 or 3 or 4 or 5, its feature It is addition polypropylene anticracking fiber, tensile strength >=630Mpa acid and alkali-resistance monofilament white fibers in concrete.
9. the electronic vehicle weighing apparatus for being provided with steel fiber reinforced concrete skid resistant course as described in claim 1 or 2 or 3 or 4 or 5, its feature The particle diameter for being addition ragstone in concrete is 2.5mm~4.5mm;Or add medium coarse sand particle diameter for 1.2mm~ 2.5mm。
10. it is above-mentioned be provided with steel fiber reinforced concrete skid resistant course electronic vehicle weighing apparatus preparation method be:First make truck scale bearing platform and Steel fiber reinforced concrete fills surrounding edge, and surface of steel plate to bearing platform carries out ball blast, it is ensured that surface is without greasy dirt, rusty stain, and surface is thick Rugosity reaches Ra45-Ra65;Then one side prepares binding agent with agitator, will load weighted metaphenylene unsaturated polyester resin Cement is added to be stirred, the material that will be stirred is covered in steel fiber reinforced concrete to be laid by way of spraying or rinsing painting to be prevented The surface of steel plate of slip layer;Another side utilizes mixing plant, to cement, polymer emulsion, concrete additives, rectangle steel fibre, circle Shape copper fiber, polypropylene anticracking fiber, ragstone, medium coarse sand, flyash are thoroughly mixed;Vapour is paved on after stirring Car weighing apparatus bearing platform upper surface;Construction requirement spray or rinse painting interface adhesive after in 0.5~2.0 hour, by steel fibre coagulation Native anti-slip material is laid on the above-mentioned interfacial adhesion of surface of steel plate layer;Steel fiber reinforced concrete pave it is whole after, with Bricklayer tool will Steel fiber reinforced concrete is repaiied floating whole, and steel fiber reinforced concrete upper surface was ground with concrete sanding machine in 5~6.5 hours Light.
CN201710231440.1A 2017-04-11 2017-04-11 It is provided with the electronic vehicle weighing apparatus of steel fiber reinforced concrete skid resistant course Pending CN106918383A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107091376A (en) * 2017-05-04 2017-08-25 瞿慧 A kind of drainage pipeline support frame
CN111829632A (en) * 2019-04-15 2020-10-27 北京万集科技股份有限公司 Truck scale system and road construction method for installing dynamic truck scale

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102503292A (en) * 2011-10-21 2012-06-20 黄贺明 Concrete and preparation method thereof
CN104119042A (en) * 2014-07-15 2014-10-29 冯广义 Heat-resistant steel fiber concrete and preparation method thereof
CN105272012A (en) * 2015-11-02 2016-01-27 成都理工大学 Concrete for high-ground stress and high-ground temperature tunnel excavation primary support
CN105910689A (en) * 2016-04-13 2016-08-31 江西众加利称重设备系统有限公司 Electronic truck scale with anti-skid layer
CN106145815A (en) * 2016-06-28 2016-11-23 蚌埠市方阵商品混凝土有限公司 A kind of shock resistance easy plucking concrete

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102503292A (en) * 2011-10-21 2012-06-20 黄贺明 Concrete and preparation method thereof
CN104119042A (en) * 2014-07-15 2014-10-29 冯广义 Heat-resistant steel fiber concrete and preparation method thereof
CN105272012A (en) * 2015-11-02 2016-01-27 成都理工大学 Concrete for high-ground stress and high-ground temperature tunnel excavation primary support
CN105910689A (en) * 2016-04-13 2016-08-31 江西众加利称重设备系统有限公司 Electronic truck scale with anti-skid layer
CN106145815A (en) * 2016-06-28 2016-11-23 蚌埠市方阵商品混凝土有限公司 A kind of shock resistance easy plucking concrete

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107091376A (en) * 2017-05-04 2017-08-25 瞿慧 A kind of drainage pipeline support frame
CN111829632A (en) * 2019-04-15 2020-10-27 北京万集科技股份有限公司 Truck scale system and road construction method for installing dynamic truck scale
CN111829632B (en) * 2019-04-15 2022-05-20 北京万集科技股份有限公司 Truck scale system and road construction method for installing dynamic truck scale

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