CN2923894Y

CN2923894Y - Electrostatic-proof flame-less concrete composite floor

Info

Publication number: CN2923894Y
Application number: CN 200620091690
Authority: CN
Inventors: 罗辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-23
Filing date: 2006-06-23
Publication date: 2007-07-18
Anticipated expiration: 2016-06-23

Abstract

A anti-static-electricity misfiring concrete compound ground which includes a surface course and a base course is characterized in that: the surface course is a mixed material layer made of 10-30mm thick ordinary portland cement and misfiring stone particles. A static-electricity exhaust conducting net which is weaved of metal wires is arranged between the base course and the surface with a bonding layer which are made by conventional means. The joint of the metal wires is provided with grounding metal conducting bars which are connected to the public grounding pole after being connected with each other by wires. The structure is reasonably designed, the construction is easy, the operation is simple and defects of single function and poor wear resistance of the old operation are effectively overcome. The ground is extensively applicable, and is provided with good surface hardness and misfire, and can obviously prolong the ground durability and improve abilities of static-electricity prevention and aggregation.

Description

The concrete combined floor of anti-static non-ignition

Technical field

The utility model relates to the concrete surface with specific function that a kind of builing industry is used, and particularly a kind of need are let out the concrete combined floor of the anti-static non-ignition of leading static and explosion-proof place.

Background technology

At present, along with developing rapidly of modern industry production, in some chemical plant, oil depot (station), ammunition depot, dangerous material manufacturings such as fireworks and firecrackers processing factory, the storage special trade, to the inflammable thing warehouse, easily produce the Production Regional of spark, munitions depot or hangar, textile factory, pulp mill, there is the place of lotus static focus printing presss etc., in production and operation and storage, all require to guarantee production safety, the production of these special trades is let out the ground of leading static and explosion-proof place to need all specific (special) requirements, for satisfying this respect demand, the building method of New Building Materials and science is brought in constant renewal in and is emerged in large numbers rapidly.The production of special trade and storage be to the requirement on ground, both required high strength, wear-resistant, the life-span is long, requirement has and misfires or the dual-use function of antistatic etc. again, just can guarantee safety.

The traditional work on existing special trade ground often uses organic material and inorganic material to make surface layer and the basic unit that has setting course.The epoxy resin that generally uses in the organic material, through adopting special process, can make the function ground of misfiring with antistatic, but because adopt organic material, so exist the shortcoming that is difficult to overcome: short as the ground life-span, intensity is low, it is insecure to wear no resistance, combine with basic unit, difficult lasting, and can only be applicable to indoor and can not be applicable to outdoor place.Though above shortcoming has been avoided on the ground of adopting inorganic material to make with conventional means, the scope of application is wider, but further investigation reveals that the function ratio on this ground is more single, and what have only has an effect of misfiring, what have can only antistatic, can not have simultaneously to misfire and two kinds of functions of antistatic.Therefore, the need of existing special trade are let out the ground of leading static and explosion-proof place and are had much room for improvement.

The utility model content

The purpose of this utility model provides a kind of concrete combined floor of anti-static non-ignition, its reasonable in design, it is easy, easy and simple to handle to construct, defective such as overcome function singleness that traditional work exists effectively, wear no resistance, this ground is applied widely, both possessed surface of good hardness and misfiring property, application life that again can significant prolongation ground and improve the ability of avoiding generation of static electricity and gathering.

The purpose of this utility model is achieved in that this ground comprises surface layer and basic unit, its technical essential is: described surface layer is the ordinary portland cement of thickness 10-30mm and the bed of material that mixes of the stone particle of misfiring, between the basic unit and surface layer that have setting course that adopt conventional means to make, the static that adopts metal wire knitted to become is set lets out wire guide, node wiry place is provided with the grounded metal guide rod, with after the lead connection, insert common ground and extremely go up between each grounded metal guide rod.

Because the utility model employing ordinary portland cement mixes the bed of material as surface layer with the stone particle of misfiring, so being friction, cutting, hammering, collision, made ground can not produce spark, has good misfiring property, its surface strength is hard, wear-resisting, and strength ratio ordinary concrete ground is high 2～3 times.Be arranged on the static that the basic unit that has setting course becomes with metal wire knitted between the surface layer and let out wire guide, its node place is provided with the grounded metal guide rod that connects with lead, and insert common ground and extremely go up, can promptly static on the ground be transmitted to the earth, avoided the generation and the accumulation of static.This combined floor reasonable in design, it is easy, easy and simple to handle to construct, defective such as can overcome function singleness that traditional work exists effectively, wear no resistance.This ground had both possessed surface of good hardness and misfiring property, application life that again can significant prolongation ground and improve the ability of avoiding generation of static electricity and gathering, therefore, it is applied widely, no matter be indoor production department and warehouse or outdoor open area all can adopt.

Concrete combined floor of the present utility model is through detecting, can the be up to state standards regulation of " Code for construction and acceptance of ground and floor engineering " GB50209-2002 of every index, its electrostatic conductive performance detection method is with reference to the regulation of " communications equipment room electrostatic defending general rule " YD/754-95.The technical indicator of being measured is as follows: system resistance rate: 10 ⁵---10 ⁸Ω; Compressive strength: (28 days) 45MP---75MP; The test of misfiring: the type of misfiring is qualified; Abrasion resistance :≤0.03g; Shock resistance: 60kg/cm ²Useful life: generally more than 20 years.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a kind of concrete structure schematic diagram of the present utility model.

The specific embodiment

Describe concrete structure of the present utility model in detail according to Fig. 1.This ground comprises that surface layer 1, static lets out wire guide 2, grounded metal guide rod 6 and basic unit 4.Wherein surface layer 1 is the ordinary portland cement (Portland cement) of thickness 10-30mm and the bed of material that mixes of the stone particle of misfiring.Between basic unit 4 that has setting course 3 and surface layer 1, the static that adopts wire 5 to be woven into is set lets out wire guide 2, the node place of wire 5 is provided with grounded metal guide rod 6, with after the lead connection, inserts on the common ground utmost point (not shown) between each grounded metal guide rod 6.

The construction sequence of this concrete combined floor is as follows:

1, to the processing of the basic unit 4 that has setting course 3.

At first flattening foot layer 4: to existing basic unit should remove bottom surface irregularities, dig a pit, hole, etc., sprinkle water wetting again and make the suction state that reaches capacity, remake setting course 3 after adding cement wash basic unit with weld crete.Do not have the conventional means of the employing monobloc cast of existing basic unit and make the basic unit 4 that has setting course, concrete grade is not less than C20, tie not troweling behind the vibratory compaction, large tracts of land ground absolute altitude should be controlled in the 10mm of regulation absolute altitude, and planeness (2 meters holder chi gaps) is less than 10mm.When making basic unit, should add an amount of expansion agent, in case produce cavity, cracking phenomena.C20～C25 grade pea gravel concreten is adopted in the construction of setting course, and the rubble grating is 5～15mm, and cement is with No. 425 or No. 525, sand coarse aggregate ratio 38～42%, and slump 60～100mm, building thickness is 50～60mm (20 ℃).

2, lay static and let out wire guide 2.

On the leveling layer of having finished, lay static and let out wire guide 2.The wire 5 that static is let out wire guide 2 can adopt φ 4 cold drawn muscle or φ 1.0 copper wires, by spacing long * widely become net for the open weave of 100mm * 100mm.Weld or colligation at the node place of wire 5, and the grounded metal guide rod 6 of fixing (be threaded or weld) can be set every 500mm as required.With after the lead connection, insert common ground and extremely go up between each grounded metal guide rod 6, to keep excellent contact, increase static is let out and is led performance.After static is let out wire guide 2 and performed, want measuring resistance before hidden, any 2 resistance should be less than 0.5 Ω.

3, the construction of surface layer 1.

Finish the construction of carrying out surface layer 1 after laying static is let out wire guide 2.Aggregate is the stone particle of misfiring in the material that surface layer 1 is adopted, cement adopts No. 525 ordinary portland cements, behind an amount of interpolation friction reducer and the reinforcing agent, above-mentioned material is mixed stirring by a certain percentage, control the planeness of the material that paves with level gauge, 2 meters holder chi gaps are not more than 3mm, promptly make the mixed layer that thickness is 10-15mm.

Carry out moist curing after all construction operation is finished, cut the shrinkage joint after 7 days, promptly make the concrete combined floor of anti-static non-ignition.

Claims

1, a kind of concrete combined floor of anti-static non-ignition, comprise surface layer and basic unit, it is characterized in that: described surface layer is the ordinary portland cement of thickness 10-30mm and the bed of material that mixes of the stone particle of misfiring, between the basic unit and surface layer that have setting course that adopt conventional means to make, the static that becomes with metal wire knitted is set lets out wire guide, node wiry place is provided with the grounded metal guide rod, with after the lead connection, inserts common ground and extremely goes up between each grounded metal guide rod.