CN209384342U - A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board - Google Patents

A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board Download PDF

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Publication number
CN209384342U
CN209384342U CN201822112918.1U CN201822112918U CN209384342U CN 209384342 U CN209384342 U CN 209384342U CN 201822112918 U CN201822112918 U CN 201822112918U CN 209384342 U CN209384342 U CN 209384342U
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China
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powder
reactive
cover board
metallic fibers
inorganic material
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CN201822112918.1U
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Chinese (zh)
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苏永华
尹京
班新林
葛凯
李克冰
尹会军
王壮
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Beijing Huicheng Jiye Engineering & Technology Co Ltd
China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
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Beijing Huicheng Jiye Engineering & Technology Co Ltd
China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
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Abstract

The utility model discloses a kind of non-metallic fibers net reinforced reactive-powder-concrete cover boards, in inorganic material layer (2) lower section or the internal fibrous layer (1) of inorganic material layer (2) is wrapped in including inorganic material layer (2) and setting, fibrous layer (1) includes the lateral stiffener assembly (11) and longitudinally reinforced component (12) being arranged in a mutually vertical manner, lateral stiffener assembly (11) includes several fibers disposed in parallel, longitudinally reinforced component (12) includes several fibers disposed in parallel, lateral stiffener assembly (11) and longitudinally reinforced component (12) form flat grid structure.The features such as a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model has high-durability, frivolous, and fire resistance is good, can be greatly decreased maintenance cost and transportation cost.

Description

A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board
Technical field
The utility model relates to technical field of civil engineering, and in particular to a kind of non-metallic fibers net enhancing reactive powder is mixed Coagulate the cover board of soil.
Background technique
Ditch (slot) cover board is widely used in building, in municipal administration, railway, highway, city track traffic engineering, a large amount of being equipped with It is widely applied in the engineerings such as plumbing, pipeline, cable ditch (slot) and people's row, driving, protection.
Traditional ditch (slot) cover board is mainly made of steel plate, armored concrete, organic synthesis material etc..Because material limits, deposit Steel are perishable, not fire resisting, maintenance cost are high;Reinforced Concrete Materials because its strength grade is lower, durability is poor, it is heavy, Transport installation inconvenience, long construction period;Synthetic material is corrosion-resistant, but fire resistance is poor, and organic material is there are problem of aging, and cost The problems such as very high.
Summary of the invention
The utility model in order to overcome in the prior art ditch (slot) cover board fire resistance it is poor, maintenance period is short, and maintenance cost is high, The problems such as heavy, provides a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board, and can be improved cover board uses the longevity Life, fire resistance, while there is preferable portability.
The utility model provides a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board, including inorganic material layer and The fibrous layer for being arranged in below inorganic material layer or being wrapped in inside inorganic material layer, fibrous layer include the cross being arranged in a mutually vertical manner To stiffener assembly and longitudinally reinforced component, lateral stiffener assembly includes several fibers disposed in parallel, and longitudinally reinforced component includes Several fibers disposed in parallel, lateral stiffener assembly and longitudinally reinforced component form flat grid structure.Fiber has preferable Intensity and ductility can effectively improve the carrying of cover board, while lateral stiffener assembly and the cooperation of longitudinally reinforced component can make Tensile stress is carried when coverplate stress, inorganic material layer can carry compression in coverplate stress and fibrous layer is assisted to undertake part Tensile stress, while inorganic material layer can effectively improve the anti-flammability of cover board, fibrous layer can be set in inorganic material layer Lower section can also be wrapped in the partial below inside inorganic material layer.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, The distance between lateral stiffener assembly adjacent fiber is identical, and the distance between longitudinally reinforced component adjacent fiber is identical.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, The distance between lateral stiffener assembly adjacent fiber is identical as the distance between longitudinally reinforced component adjacent fiber.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, The sizing grid of lateral stiffener assembly and longitudinally reinforced component composition is 20 × 20mm.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, Lateral stiffener assembly and longitudinally reinforced component are made of mineral fibres or organic fiber.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, Inorganic material layer is Reactive Powder Concrete.Reactive Powder Concrete has the characteristic of high-strength durable, can be improved making for cover board With the service life, while there is preferable anti-flammability.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, The model RPC120 of Reactive Powder Concrete.
A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board described in the utility model, it is preferred that, The upper surface of inorganic material layer is equipped with anti-skid design.Anti-skid design being capable of the safety that uses of cover board.
Using above technical scheme, the utility model has the advantages that reactive powder coagulation compared with prior art Soil has high-strength and durable performance, and cooperates with non-metallic fibers net, so that non-metallic fibers net enhances reactive powder Concrete cover has very high bearing capacity and excellent endurance quality;Non-metallic fibers are without metal erosion problem, web Protective layer between 1~3 millimeter, be greater than 15 millimeters of requirement much smaller than reinforcing bar, its tensile capacity can be given full play to;In same lotus Under load, cover sheet thickness is much smaller than armoured concrete slab, and plate substantially reduces again, is not necessarily to mechanical equipment, can manually carry, and can show Field cutting, is readily transported installation;Material therefor is incombustible material, and fire resistance property is good.
Detailed description of the invention
Fig. 1 is a kind of non-metallic fibers net reinforced reactive-powder-concrete covering plate structure schematic diagram;
Fig. 2 is a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board fibrous layer main view.
Appended drawing reference:
1, fibrous layer;11, lateral stiffener assembly;12, longitudinally reinforced component;2, inorganic material layer.
Specific embodiment
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board, having a size of 500 × 750 × 25mm, including fibrous layer 1 and the inorganic material layer 2 being arranged in above fibrous layer 1,2 selection type of inorganic material layer Number be RPC120 Reactive Powder Concrete;As shown in Fig. 2, fibrous layer 1 includes the lateral stiffener assembly 11 being arranged in a mutually vertical manner With longitudinally reinforced component 12, lateral stiffener assembly 11 and longitudinally reinforced component 12 form plane grid knot by alkali-resistant glass fibre Structure, mesh are 20 × 20mm.
Preparation method is as follows: production meets the mold of dimensions, and mold has enough rigidity and surface smoothness.Mould The RPC120 Reactive Powder Concrete mixed after the assay was approved, is poured into mold by tool, and full mould is simultaneously uniformly distributed.It will cut out Non-metallic fibers network pressure enter in RPC120 Reactive Powder Concrete, so that non-metallic fibers net is submerged Reactive Powder Concrete 1mm, Using plate vibrator or shake table by mixture vibratory compaction, extra Reactive Powder Concrete and troweling are removed.Vibration is completed Afterwards in surface plastic covering film, and it is placed on the maintenance of maintenance area, reaches design strength 70% to Reactive Powder Concrete intensity When demoulding.It places into steam-cured room after demoulding to conserve 48 hours using 70 DEG C of thermostatics, wait be cooled to circumstance of temperature difference less than 20 DEG C, fog room out.
The Reactive Powder Concrete test block made by same condition is 125.6MPa through detection compression strength, and flexural strength is 16.7MPa, elasticity modulus 48.2GPa.
Non-metallic fibers net Reactive Powder Concrete ditch (slot) cover board of above method production, through detecting, bearing capacity is full The vertical static live load force request of the design of sufficient 5KN/m2 evenly load and 1.5KN load;Fire endurance is greater than 2 hours;It is resistance to Other indexs such as long performance meet the requirement of ditch (slot) deck design.
Embodiment 2
As shown in Figure 1, the present embodiment provides a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board, having a size of 600 × 700 × 30mm, including fibrous layer 1 and the inorganic material layer 2 being arranged in above fibrous layer 1,2 selection type of inorganic material layer Number be RPC120 Reactive Powder Concrete, inorganic material layer 2 be equipped with anti-skid design;As shown in Fig. 2, fibrous layer 1 includes phase Mutually vertically disposed lateral stiffener assembly 11 and longitudinally reinforced component 12, lateral stiffener assembly 11 and longitudinally reinforced component 12 by Fiber forms flat grid structure, and mesh is 20 × 20mm.
Preparation method is as follows: production meets the mold of dimensions, and mold has enough rigidity and surface smoothness.Mould The RPC120 Reactive Powder Concrete mixed after the assay was approved, is poured into mold by tool, and full mould is simultaneously uniformly distributed.It will cut out Fiber mat indentation RPC120 Reactive Powder Concrete in, so that fiber mat is submerged Reactive Powder Concrete 1mm, using plate Mixture vibratory compaction is removed extra Reactive Powder Concrete and troweling by vibrator or shake table.On surface after the completion of vibration Plastic covering film, and it is placed on the maintenance of maintenance area, demoulding when Reactive Powder Concrete intensity reaches design strength 70%.It tears open Steam-cured room is placed into after mould to conserve 48 hours using 70 DEG C of thermostatics, wait be cooled to circumstance of temperature difference less than 20 DEG C, is conserved out Room.
The Reactive Powder Concrete test block made by same condition is 130.8MPa through detection compression strength, and flexural strength is 17.76MPa elasticity modulus 47.5GPa.
Non-metallic fibers net Reactive Powder Concrete ditch (slot) cover board of above method production, through detecting, bearing capacity is full The vertical static live load force request of the design of sufficient 5KN/m2 evenly load and 1.5KN load;Fire endurance is greater than 2 hours;It is resistance to Other indexs such as long performance meet the requirement of ditch (slot) deck design.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, without departing from the spirit and scope defined by the claims, any modification, the variation or equivalent that can be made, It falls within the protection scope of the utility model.

Claims (7)

1. a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board, it is characterised in that: including inorganic material layer (2) and set Set below the inorganic material layer (2) or be wrapped in the internal fibrous layer (1) of the inorganic material layer (2), the fibrous layer It (1) include the lateral stiffener assembly (11) and longitudinally reinforced component (12) being arranged in a mutually vertical manner, the transverse direction stiffener assembly (11) Including several fibers disposed in parallel, the longitudinally reinforced component (12) includes several fibers disposed in parallel, and the transverse direction adds Strong component (11) and the longitudinally reinforced component (12) form flat grid structure.
2. a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board according to claim 1, it is characterised in that: institute State that the distance between lateral stiffener assembly (11) adjacent fiber is identical, between longitudinally reinforced component (12) adjacent fiber away from From identical.
3. a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board according to claim 2, it is characterised in that: institute The sizing grid for stating lateral stiffener assembly (11) and the longitudinally reinforced component (12) composition is 20 × 20mm.
4. a kind of non-metallic fibers net reinforced reactive-powder-concrete lid described in any one of its according to claim 1~3 Plate, it is characterised in that: the transverse direction stiffener assembly (11) and the longitudinally reinforced component (12) are by mineral fibres or organic fiber It is made.
5. a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board according to claim 1, it is characterised in that: institute Stating inorganic material layer (2) is Reactive Powder Concrete.
6. a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board according to claim 5, it is characterised in that: institute State the model RPC120 of Reactive Powder Concrete.
7. a kind of non-metallic fibers net reinforced reactive-powder-concrete cover board according to claim 1, it is characterised in that: in institute The upper surface for stating inorganic material layer (2) is equipped with anti-skid design.
CN201822112918.1U 2018-12-17 2018-12-17 A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board Active CN209384342U (en)

Priority Applications (1)

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CN201822112918.1U CN209384342U (en) 2018-12-17 2018-12-17 A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822112918.1U CN209384342U (en) 2018-12-17 2018-12-17 A kind of non-metallic fibers net reinforced reactive-powder-concrete cover board

Publications (1)

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CN209384342U true CN209384342U (en) 2019-09-13

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