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 PDFInfo
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- 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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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
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.
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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 |
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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 |
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CN209384342U true CN209384342U (en) | 2019-09-13 |
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