CN208604815U - A kind of prefabricated PC iron tailing concrete cassette ceiling - Google Patents
A kind of prefabricated PC iron tailing concrete cassette ceiling Download PDFInfo
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- CN208604815U CN208604815U CN201820923142.9U CN201820923142U CN208604815U CN 208604815 U CN208604815 U CN 208604815U CN 201820923142 U CN201820923142 U CN 201820923142U CN 208604815 U CN208604815 U CN 208604815U
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- profiled sheet
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- iron tailing
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Abstract
A kind of prefabricated PC iron tailing concrete cassette ceiling includes profiled sheet, reinforced mesh and floorslab concrete；Profiled sheet is silent profiled sheet, is laid on the bottom of floor to be onstructed；Reinforced mesh is laid on the surface of profiled sheet；Floorslab concrete is iron tailing concrete, is cast on profiled sheet；Wherein, the top surface of floorslab concrete exceeds reinforced mesh；Longitudinal elongated duct is reserved in the floorslab concrete；There are one group, laterally spaced setting in the elongated duct；Longitudinal prestress wire is additionally provided in floorslab concrete, at the position of profiled sheet；The prestress wire has one group, laterally spaced setting.The utility model solves the technical issues of long construction period existing for existing cast-in-situ floor or laminated floor slab, situ wet operation are more, waste of material is serious, man efficiency is low and large labor intensity；The reuse ratio for also solving iron tailings waste is low and the technical issues of environmental pollution is serious.
Description
Technical field
The utility model relates to prefabricated components fields, hollow more particularly to a kind of prefabricated PC iron tailing concrete
Floor.
Background technique
In recent years, China started to carry forward vigorously assembled architecture；Currently, one kind is existing there are two types of conventional use of floors
Reinforced concrete floor is poured, the floor globality, durability, shock resistance are good, and rigidity is big, and it is flat to adapt to building of various shapes
Face, but template consumption is big, and the workload of construction site is larger, and large labor intensity, long construction period, environmental pollution is serious.Separately
One kind is laminated floor slab, that is, then the prefabricated panel for the laminated floor slab that has been prefabricated in the factory transports scene branch and puts in place, then binds
The cast-in-place overlapping layer concrete of plate top reinforcing bar.Obviously, laminated floor slab scheme there is still a need for a large amount of live assembling reinforcements and pours mixed
The operation of soil is coagulated, thus still cannot reach the target of architectural industrialization.
In addition, in recent years, with the rapid development of our country's economy, required resource also increases severely therewith, it is especially industrial
Pair mineral resources demand be even more greatly increase, which results in excess load minings, have in turn resulted in a large amount of iron tail
Mine accumulation.Currently, China's iron tailings utilization rate is very low, and most of barghs only pay attention to the recycling of valuable metal, can not
Fundamentally solve the problems, such as iron tailings utilization rate.The accumulation of iron tailings caused by therefrom occupies a large amount of arable land, iron tail
The heavy metal of mine discharge and poisonous and harmful substance etc. also cause serious pollution to natural resources such as soil, water sources.Therefore, iron tail
The whole utilization of mine is the fundamental way that iron tailings utilizes.
Therefore, how this waste of iron tailings is efficiently used and solves the problems, such as that commonly using floor at present exists simultaneously,
The technical problem urgently to be resolved as one.
Utility model content
The purpose of the utility model is to provide a kind of prefabricated PC iron tailing concrete cassette ceilings, to solve existing
Long construction period existing for cast-in-situ floor or laminated floor slab, situ wet operation are more, waste of material is serious, man efficiency is low and labor
The big technical problem of fatigue resistance；The reuse ratio that also solve iron tailings waste is low and the technical issues of environmental pollution is serious.
To achieve the above object, the utility model adopts the following technical solution.
A kind of prefabricated PC iron tailing concrete cassette ceiling includes that profiled sheet, reinforced mesh and floor are mixed
Solidifying soil；The profiled sheet is silent profiled sheet, is laid on the bottom of floor to be onstructed；
The reinforced mesh is laid on the surface of profiled sheet, at the position apart from profiled sheet 95mm~115mm；
The floorslab concrete is iron tailing concrete, is cast on profiled sheet；Wherein, the top surface of floorslab concrete is super
Reinforced mesh 15mm~20mm out；Longitudinal elongated duct is reserved in the floorslab concrete；The elongated duct have one group,
Laterally spaced setting；Longitudinal prestress wire is additionally provided in floorslab concrete, at the position of profiled sheet；Institute
Stating prestress wire has one group, laterally spaced setting.
Preferably, the profiled sheet is the silent profiled sheet of YJ66-240-720 type.
Preferably, the floorslab concrete pours with a thickness of 120mm~140mm.
Preferably, the spacing in the elongated duct is 30mm~35mm；The top of elongated duct distance from top floorslab concrete
Portion is 90mm~110mm；The bottom of elongated duct distance from bottom floorslab concrete is 25mm~30mm.
Preferably, the spacing between the prestress wire is 95mm~105mm；Prestress steel twist linear distance die mould steel
The distance of plate is 20mm~25mm.
Preferably, the diameter of reinforcing bar is not less than 6mm in the reinforced mesh, and spacing is 150mm~250mm.
The utility model has the characteristics that and beneficial effect compared with prior art.
1, the utility model solves long construction period existing for existing cast-in-situ floor or laminated floor slab, situ wet operation
The challenges such as more, waste of material is serious, man efficiency is low, large labor intensity.
2, the silent profiled sheet that the utility model uses, so that the distance of floor centroid of section to board bottom is less than open-type
Composite slab with profiled steel sheeting or necking type composite slab with profiled steel sheeting, in this way design give full play to the strong of material
Degree, improves the bearing capacity of component；In addition, silent profiled sheet also enhances the web of profiled sheet and the stabilization of top flange
Property, the bearing capacity and rigidity of profiled sheet are increased, while but also constraint increase of the steel plate abdomen to concrete, delays
The deformation of floor.
3, compared with solid floor, the setting in the elongated duct of the utility model makes while reducing concrete amount
Floor self weight can mitigate about 30%, be readily transported and lift；Meanwhile pipeline etc. can be worn in elongated duct, rationally utilize
Space increases the clear height of floor.
4, discarded iron tailings sand and iron tailings powder is reasonably utilized in the iron tailing concrete used in the utility model,
The natural sand for replacing price relatively high with iron tailings sand greatly reduces the exploitation to natural sand, not only protects environment, but also section
About resource.
5, the production simple production process of the utility model reduces working procedure, reduces floor cost, and it is dirty to reduce environment
Dye has good economic benefit and environmental benefit, is worth promoting, it can be achieved that building industrialization produces.
Detailed description of the invention
The utility model is described in more detail with reference to the accompanying drawing.
Fig. 1 is the cross-sectional structure schematic diagram of the utility model.
Appended drawing reference: 1- floorslab concrete, 2- profiled sheet, 3- prestress wire, the elongated duct 4-, 5- steel
Muscle mesh sheet.
Specific embodiment
As shown in Figure 1, this prefabricated PC iron tailing concrete cassette ceiling, includes profiled sheet 2, reinforcing bar
Mesh sheet 5 and floorslab concrete 1；The profiled sheet 2 is silent profiled sheet, is laid on the bottom of floor to be onstructed；The steel
Muscle mesh sheet 5 is laid on the surface of profiled sheet 2, the height apart from profiled sheet 2 is at the position of 95mm~115mm；It is described
Floorslab concrete 1 is iron tailing concrete, is cast on profiled sheet 2；Wherein, the top surface of floorslab concrete 1 exceeds steel mesh
The height of piece 5 is 15mm~20mm；Longitudinal elongated duct 4 is reserved in the floorslab concrete 1；The elongated duct 4 has
One group, laterally spaced setting；Longitudinal prestress steel is additionally provided in floorslab concrete 1, at the position of profiled sheet 2
Twisted wire 3；The prestress wire 3 has one group, laterally spaced setting.
In the present embodiment, the profiled sheet 2 is the silent profiled sheet of YJ66-240-720 type.
In the present embodiment, the floorslab concrete 1 is poured with a thickness of 120mm~140mm.
In the present embodiment, the spacing in the elongated duct 4 is 30mm~35mm；Elongated 4 distance from top floor coagulation of duct
The top of soil 1 is 90mm~110mm；The bottom of elongated 4 distance from bottom floorslab concrete 1 of duct is 25mm~30mm.
In the present embodiment, the spacing between the prestress wire 3 is 95mm~105mm；3 distance of prestress wire
The distance of profiled sheet 2 is 20mm~25mm.
In the present embodiment, the diameter of reinforcing bar is not less than 6mm in the reinforced mesh 5, and spacing is 150mm~250mm.
The iron tailing concrete includes water, cement, iron tailings sand, iron tailings powder, flyash, silicon ash and water-reducing agent.
In the iron tailing concrete, water, cement, iron tailings sand, iron tailings powder, flyash, silicon ash and water-reducing agent
Parts by weight are as follows:
240 parts~250 parts of water；
430 parts~440 parts of cement；
910 parts~920 parts of iron tailings sand；
290 parts~300 parts of iron tailings powder；
180 parts~190 parts of flyash；
115 parts~125 parts of silicon ash；
10.5 parts~11.5 parts of water-reducing agent.
The cement is the portland cement that strength grade is more than or equal to 42.5.
The iron tailings sand grains diameter is 0.1mm~3.5mm.
The partial size of the iron tailings powder is less than or equal to 0.35mm.
The flyash is I grade of flyash.
The silicon ash is the silicon ash that dioxide-containing silica is more than or equal to 85%.
The water-reducing agent is polycarboxylic acid series high efficiency water reducing agent.
A kind of production method of prefabricated PC iron tailing concrete cassette ceiling, making step are as follows.
Step 1 is laid with silent profiled sheet 2 and prestress wire 3, according to design strength requirement, tensioning on pedestal
Prestress wire 3.
Step 2 is laid with the hollow pipe and reinforced mesh 5 for reserving elongated duct 4, and carry out hollow on profiled sheet 2
The measure of anti float of pipe.
Step 3 installs slab form in the left and right sides of profiled sheet 2 and rear and front end as required.
Step 4 prepares iron tailing concrete: including first ordinary portland cement, iron by the raw material of iron tailing concrete
CHARACTERISTICS OF TAILINGS SAND, iron tailings powder, flyash, silicon ash are mixed evenly by design proportion, and the water and diminishing accordingly matched is then added
Agent, stirs evenly that form iron tailing concrete stand-by；
The iron tailing concrete that step 4 configures is cast in and has been installed in template, and smoothed out by step 5, then into
Row maintenance.
Step 6 puts tension prestress steel strand wires 3 when the intensity of iron tailing concrete reaches the 75% of design strength, removes
Template.
Above-described embodiment is not the exhaustion of specific embodiment, can also there is other embodiments, and above-described embodiment purpose exists
In illustrating the utility model, rather than the protection scope of the utility model is limited, it is all from the utility model simple change
Using all falling in the protection scope of the utility model.
Claims (6)
1. a kind of prefabricated PC iron tailing concrete cassette ceiling includes profiled sheet (2), reinforced mesh (5) and building
Board concrete (1)；It is characterized by:
The profiled sheet (2) is silent profiled sheet, is laid on the bottom of floor to be onstructed；
The reinforced mesh (5) is laid on the surface of profiled sheet (2), the position apart from profiled sheet (2) 95mm~115mm
Place；
The floorslab concrete (1) is iron tailing concrete, is cast on profiled sheet (2)；Wherein, floorslab concrete (1)
Top surface exceeds reinforced mesh (5) 15mm~20mm；Longitudinal elongated duct (4) is reserved in the floorslab concrete (1)；It is described
Elongated duct (4) has one group, laterally spaced setting；At position in floorslab concrete (1), close to profiled sheet (2) also
Equipped with longitudinal prestress wire (3)；The prestress wire (3) has one group, laterally spaced setting.
2. a kind of prefabricated PC iron tailing concrete cassette ceiling according to claim 1, it is characterised in that: described
Profiled sheet (2) is the silent profiled sheet of YJ66-240-720 type.
3. a kind of prefabricated PC iron tailing concrete cassette ceiling according to claim 1, it is characterised in that: described
Floorslab concrete (1) pours with a thickness of 120mm~140mm.
4. a kind of prefabricated PC iron tailing concrete cassette ceiling according to claim 3, it is characterised in that: described
The spacing of elongated duct (4) is 30mm~35mm；The top of elongated duct (4) distance from top floorslab concrete (1) be 90mm~
110mm；The bottom of elongated duct (4) distance from bottom floorslab concrete (1) is 25mm~30mm.
5. a kind of prefabricated PC iron tailing concrete cassette ceiling according to claim 4, it is characterised in that: described
Spacing between prestress wire (3) is 95mm~105mm；Distance of the prestress wire (3) apart from profiled sheet (2) be
20mm~25mm.
6. a kind of prefabricated PC iron tailing concrete cassette ceiling according to claim 1, it is characterised in that: described
The diameter of reinforcing bar is not less than 6mm in reinforced mesh (5), and spacing is 150mm~250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923142.9U CN208604815U (en) | 2018-06-14 | 2018-06-14 | A kind of prefabricated PC iron tailing concrete cassette ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923142.9U CN208604815U (en) | 2018-06-14 | 2018-06-14 | A kind of prefabricated PC iron tailing concrete cassette ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208604815U true CN208604815U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820923142.9U Active CN208604815U (en) | 2018-06-14 | 2018-06-14 | A kind of prefabricated PC iron tailing concrete cassette ceiling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962845A (en) * | 2021-02-05 | 2021-06-15 | 方圆建设集团有限公司 | Novel assembled steel plate concrete hollow floor and horizontal production |
-
2018
- 2018-06-14 CN CN201820923142.9U patent/CN208604815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962845A (en) * | 2021-02-05 | 2021-06-15 | 方圆建设集团有限公司 | Novel assembled steel plate concrete hollow floor and horizontal production |
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