CN109109128A - Using the hollow slab process units of the wet type of ethylene tube and utilize its production method - Google Patents
Using the hollow slab process units of the wet type of ethylene tube and utilize its production method Download PDFInfo
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- CN109109128A CN109109128A CN201810652291.0A CN201810652291A CN109109128A CN 109109128 A CN109109128 A CN 109109128A CN 201810652291 A CN201810652291 A CN 201810652291A CN 109109128 A CN109109128 A CN 109109128A
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- frame
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- ethylene tube
- hollow slab
- ethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The present invention relates to be able to produce the internal hollow slab for forming hollow portion the hollow slab process units of the wet type using ethylene tube and utilize its production method, the shape and state of ethylene tube can be maintained evenly, maintain evenly the hollow portion shape in the hollow slab nearly produced for a long time, thereby, it is possible to produce the interval of hollow portion or the constant hollow slab of cladding thickness.Also, by the concrete of casting, the buoyancy occurred in ethylene tube, the allotment rate of the concrete of casting or the thickness and wide variety of ethylene tube can be measured, thus, more efficiently produce hollow slab.
Description
Technical field
It the present invention relates to the use of the hollow slab process units of wet type of ethylene tube and the production method using it, in more detail
Ground relates to the use of the hollow slab process units of wet type of ethylene tube and the production method using it, that is, prevent to form sky
The hollow portion of core base and the ethylene tube used skew or are detached from due to the concrete of casting from original position, so as to one
It is straight to maintain specified position and same shape.
Background technique
In general, hollow slab is the internal structure in order to increase slab and reduces own wt, it is long along the ontology of slab
Spend the slab that direction forms hollow portion.
For producing this hollow slab, that is, the previous method for producing following hollow slab uses such as lower section
Method, that is, in the ethylene tube for the position configuration hollow tubular for being used to form hollow portion, and solidified by casting concrete
The wet type engineering method method that produces hollow slab.
The production method of this hollow slab can form hollow portion using ethylene tube, thus, cheap expense can be passed through
It is produced, still, by the concrete of casting, external force occurs in ethylene tube, as a result, in the hollow portion for constituting hollow slab
Between the non-uniform situation in interval or cladding thickness under, concrete can solidify.
Previous Korean granted patent the 10-1713632nd " using cast rubber frame hollow PC plate base and its
Manufacturing method " in, comprising: manufacture by bottom plate and bottom plate the side wall that is formed of outside vertical constitute frame the step of；?
The lower part of frame alongst configures multiple steel strand wires, and configures with the specified interval of the width direction of frame separatedly
Alongst, the step of cast rubber frame expanded by injection air；After clamping steel strand wires,
Frame is poured concrete come the step of solidification；And after cast rubber frame removal air, remove cast rubber frame
Frame and frame are come the step of completing the hollow PC plate base for being applicable in cast rubber frame, in the opposite of above-mentioned cast rubber frame
Two sides are formed with the reinforced sidewall of rubber composite material formation, and above-mentioned rubber composite material is added by high strength synthetic fibre
By force, part furthermore is made of rubber material.
But in the prior art, after frame configures cast rubber frame corresponding with hollow shape, casting
Concrete simultaneously solidifies, and is formed inside PC plate base as a result, hollow, and the length of PC plate base is longer, is difficult to maintain cast rubber frame
Shape, to still remain the problem of maintaining evenly hollow shape.
Therefore, it is necessary in order to the inside of hollow slab formed hollow portion, need to maintain evenly the shape of ethylene tube,
Also, the external force of the concrete of casting can be corresponded to, so as to maintain the interval between hollow portion and the new construction of cladding thickness
Using the hollow slab process units of the wet type of ethylene tube and utilize its production method.
Existing technical literature
Patent document
(patent document 0001) Korean granted patent the 10-1713632nd (authorizes) on 03 02nd, 2017
Summary of the invention
The technical problem to be solved in the present invention
The present invention proposes that in more detail, the wet type that the present invention relates to the use of ethylene tube is hollow to solve the above-mentioned problems
Slab process units and the production method for utilizing it, that is, used during the hollow portion to form hollow slab can be maintained
Ethylene tube shape and setting position, so as to maintain evenly interval and the cladding thickness of hollow part.
In turn, the hollow slab process units of wet type of ethylene tube and the production method using it be the present invention relates to the use of,
That is, in hollow slab manufacture frame, can simple adjustment lateral frame height, thus, can manufacture high with a variety of sections
The hollow slab of degree.
Technical solution
To achieve the goals above, it is a feature of the present invention that including: ethylene tube, including side end frame and separately
The inner space S of the hollow slab frame of side end frame and two sides frame is along longitudinal configuration；Fastening material, warp
Side end frame and end side frame are penetrated through by above-mentioned inner space S；And ethylene tube buoyancy prevents net, upper
The upper side for stating ethylene tube folds, according to the fastening material configured in the state of being arranged in the early stage, along the length direction of frame
Expansion, with grid prominent form, above-mentioned clamping material in a manner of preventing the buoyancy of ethylene tube because of caused by the concrete of casting
Expect as the PC steel wire for being configured at inner space S in a manner of not by ethylene tube interference, the side end perforation one of fastening material
Side end frame is fixed on the fastening material fixed link being spaced apart with above-mentioned side end frame, end side perforation
End side frame is installed after the fastening material stretch rod that is spaced apart with above-mentioned end side frame clamps,
To be poured concrete in inside space S to be solidified.
Another embodiment according to the present invention, it is a feature of the present invention that empty using the wet type of ethylene tube in ground setting
Core base process units, the hollow slab process units of the above-mentioned wet type using ethylene tube includes: ethylene tube, is set to including one
The inner space S of the hollow slab frame of side end frame and end side frame and two sides frame；Ethylene tube injection
The both ends in portion, the opening of above-mentioned ethylene tube are set to side end frame and end side frame from inner space；Clamp material
Material, is configured in a manner of penetrating through side end frame and end side frame via above-mentioned inner space S；And grid
The ethylene tube buoyancy of form prevents net, folds in above-mentioned ethylene tube upper side, along the folder connected in the state of being arranged in the early stage
Tight material expansion, and the buoyancy of ethylene tube is prevented, in the state of importing pulling force to above-mentioned fastening material, injected to ethylene tube
Gas or fluid form the hollow portion of hollow slab, to be embedded to ethylene to the inner space S of above-mentioned cored slab base frame
The mode of pipe and fastening material is poured and curing concrete C, dismantles cured cored slab using from above-mentioned hollow slab frame
Base B is come the ethylene tube that manufactures, can configure in such a way that hollow slab continuously manufactures multiple above-mentioned hollow slab B with frame
Ethylene tube and fastening material manufacture, and length cutting as needed, from the prominent cutting reinforcing bar of upper side, thus can ensure that with
The synthesis performance of bottom plate.
According to another embodiment of the present invention, it is a feature of the present invention that including: hollow slab frame, is formed with interior
Side space configures ethylene tube, including side end frame and end side frame and two sides frame along longitudinal；Buoyancy
Preventing portion is set to the upper side end of above-mentioned hollow slab frame, can move along the length direction of slab；And funnel
Portion is set to the upper side end of above-mentioned hollow slab frame, to be poured concrete, above-mentioned hollow slab in inner space
It include: longitudinal P C steel wire with the inner space of frame, it is multiple to configure at equal intervals in the lower end of above-mentioned ethylene tube, along slab
Length direction extend；Mesh screen is in shape of a mesh, surrounds above-mentioned ethylene tube and longitudinal P C steel wire together；And transverse direction PC
Steel wire is made multiple with equidistant in the upper side end of above-mentioned longitudinal P C steel wire in the mode orthogonal with above-mentioned longitudinal P C steel wire
Configuration, both side ends are fixed on two sides frame.
On the other hand, explanation relevant to the technology disclosed in the present specification is only for structure or function explanation
Embodiment, therefore, the claimed range of invention of the technology of announcement is not limited to the embodiment illustrated in the present invention.That is,
Embodiment can have various deformation and can have variform, and therefore, it includes energy that range, which is claimed, in the invention of the technology of announcement
Enough realize the equivalent technical solutions of technical idea.Also, the purpose or effect proposed in the technology of announcement not only includes spy
Determine the whole or effect of embodiment, therefore, the invention of the technology of announcement is claimed range and is not limited thereto.
Also, the meaning description below of the term of technology in the present invention.The term of " first ", " second " etc. is only used for
A kind of structural element and other structures element are distinguished, the invention is not limited to these structural elements.For example, first structure is wanted
Element can be named as the second structural element, and similarly, the second structural element can be named as first structure element.
In turn, when a structural element is with other structures element " being connected ", it is meant that straight with other structures element
It connects, is also construed as the case where centre is across other structures element in succession.On the contrary, when a structural element and other
When structural element " being directly connected to ", other structures element is not present in centre.On the other hand, illustrate the relationship between structural element
Other performances, that is, " between " and " between " or " adjacent " and " direct neighbor " etc. are also identical.
As long as on context and performance is not known, singular performance includes the performance of plural number.The arts such as " comprising " or " having "
Pragmatic in specify specific, digital, step, movement, structural element, component or these combination presence, and and it is non-predetermined exclude one
Other a or more than one features or number, movement, structural element, component or these presence or additional possibility for combining.
Beneficial effect
The present invention relates to the hollow slabs of the wet type using ethylene tube that can be produced in the internal hollow slab for forming hollow portion
Process units and using its production method, the invention has the advantages that, that is, can maintain evenly ethylene tube shape and
State maintains evenly the hollow portion shape in the hollow slab of long-term line production as a result, thus, produce the interval of hollow portion
Or hollow slab as defined in cladding thickness.
Also, the invention has the advantages that, that is, by the concrete of casting, it can measure and be floated what ethylene tube occurred
Power, the allotment rate of the concrete of casting or the thickness and wide variety of ethylene tube, to more efficiently produce hollow slab.
Detailed description of the invention
Fig. 1 to Fig. 3 is the first embodiment for showing the hollow slab process units of the wet type of the invention using ethylene tube
Figure.
Fig. 4 and Fig. 5 is the figure for showing the manufacture diagrammatic illustration of first embodiment of the invention.
Fig. 6 is the diagrammatic illustration for showing the hollow slab of first embodiment of the invention.
Fig. 7 and Fig. 8 is the second embodiment for showing the hollow slab process units of the wet type of the invention using ethylene tube
Figure.
Fig. 9 is the figure for showing another slab apperance of second embodiment of the invention.
Figure 10 to Figure 12 is the figure for showing the anti-locking apparatus of buoyancy of the ethylene tube of second embodiment of the invention.
Figure 13 to Figure 15 is the measurement device for showing the external force for the ethylene tube that measurement acts on second embodiment of the invention
Figure.
Specific embodiment
Hereinafter, the preferred embodiment referring to belonging to the present invention, the present invention detailed further.
Fig. 1 to Fig. 6 is the figure for showing first embodiment of the invention, and Fig. 7 is to show second embodiment of the invention to Figure 14
Figure.
The first embodiment of the hollow slab process units of wet type using ethylene tube of the invention
Firstly, Fig. 1 to Fig. 3 is the solid for showing the process units A of the hollow slab using ethylene tube 160 of the invention
The figure of figure and structural perspective.
Using above-mentioned ethylene tube 160 hollow slab process units A in, boom truck 200 in the process of moving,
The ethylene tube for being used for hollow slab manufacture and fastening material are configured in hollow slab frame 100, and are poured concrete C
Continuously manufacture hollow slab.
That is, driving boom truck 200 come processing is used for rapidly according to gap slab frame 100 by driving device 240
The operation of the construction of hollow slab B, the continuous movement implemented for the construction of hollow slab.
In this regard, firstly, the above-mentioned hollow slab of observation is as follows with frame 100.
As shown in Figures 1 and 2, hollow slab includes being set in a manner of penetrating through ethylene tube injection unit 111 with frame 100
Side end frame and end side frame 110, the fastening material fixed link 120, lateral frame 130, fastening material drawing set
Boom 140, fastening material 150, ethylene tube 160, under(-)chassis 170, lateral frame revers turn part 180 and ethylene tube buoyancy prevent
Net 190.
Firstly, as shown in Figures 1 and 2, above-mentioned end frame 110 is mutually to longitudinal opposite mode in under(-)chassis
170 upper sides are finally arranged, in the form of the vertical panel using steel plate, pipeline etc., with the side part between the frame of both ends
Not Yan Shen made of two sides frame 130 be formed as one, and play in being formed by both ends frame and two sides frame
Side space S is poured the frame effect of hollow slab concrete C and fixation.
As shown in Fig. 2, above-mentioned ethylene tube injection unit 111 passes through for the ethylene tube 160 for being set to inner space S
The prominent pipeline extended for supplying fluid penetrates through end frame 110, if ethylene tube 160 is to being inserted into inside above-mentioned pipeline and to end
Frame 110 side in portion's is exposed, then is connected with the branched pipe 112 that can internally inject air, fluid etc..
Branched pipe 112 injects air or fluid to the ethylene tube 160 for being set to ethylene tube injection unit 111 as a result,.
As shown in Figures 1 and 2, above-mentioned lateral frame 130 is utilized and is formed between 110 both side ends of end frame
The vertical panel of steel plate, pipeline etc., plays the role of lateral frame.
At this point, as shown in figure 3, lateral frame 130 is can adjust the side of the section height of manufactured hollow slab B
Formula is provided as the lateral frame revers turn part 180 of height adjusting unit.
That is, under(-)chassis 170 is arranged using bottom reinforcement bars component 171 and bottom plate 172 with frame 100 for hollow slab, this
Kind under(-)chassis 170 plays the role of the under(-)chassis of hollow slab B.
It all eats, the lateral surface of bottom plate 172 fetches to form inner space S with 130 phase of lateral frame, this lateral frame 130
It moves along the horizontal inflection in two sides, and is separated from under(-)chassis 170.
In this regard, lateral frame revers turn part 180 is arranged in above-mentioned under(-)chassis 170.
For example, lateral frame revers turn part 180 is in 171 fixed vertical fixed part 181 of bottom reinforcement bars component, it is above-mentioned vertical solid
Determine portion 181 to connect with one end hinge of the hinge revers turn part 182 by the horizontal inflection of hinge, above-mentioned hinge extension 182 it is another
Expose 182 hinge of lateral frame fixed part extended with lower end vertically through lateral frame 130 and connect in one end.
At this point, for example, the perpendicular screw rod form of above-mentioned lateral frame fixed part 183, lateral frame 130 pass through fixed branch
184 up and down adjustment position of nut and fixation are supportted, above-mentioned fixed holding nut 184 adjusts the bottom faces in lateral frame 130, with
The position that lateral frame fixed part 183 combines is poured height to adjust the hollow slab concrete based on lateral frame 130.
As a result, as shown in Figures 1 and 2, lateral frame 130 is returned by lateral frame revers turn part 180 to side invention is horizontal
It rolls over and expands horizontally, height setting up and down is adjusted in 172 side of bottom plate of under(-)chassis 170, to be adjusted to bottom plate 172
Upper side 130 inner space S of two sides frame casting hollow slab concrete C casting height.
As shown in Figures 1 and 2, above-mentioned fastening material fixed link 120 can be from both ends frame 110 and two sides surface frame
The fastening material that 130 inner space S of frame penetrates through one end installation fixation for the fastening material 150 that end frame 110 is arranged, which is fixed, to be used
Frame.
Also, above-mentioned fastening material stretch rod 140 can pass through (not shown) hydraulic for the other end of fastening material 150
The fastening material stretching frame that switch etc. is installed in the state of stretching.
As a result, can for by long-term line engineering method continuously manufacture the fastening material that multiple hollow slabs use fix and
Stretching frame.
In this regard, stretching fastening material 150 between fastening material fixed link 120 and fastening material stretch rod 140
Under state, after hollow slab concrete C casting and solidification, increases drawing force to hollow slab B and import compression stress.
This fastening material fixed link 120, fastening material stretch rod 140 are including the use of gagger component etc., fastening material
150 perforations carry out the installing port installed later clamped in forward face.
As shown in Figures 1 and 2, above-mentioned fastening material 150 utilizes PC steel strand wires, non-attachment steel strand wires etc., one end and another
It holds respectively after fastening material fixed link 120, fastening material stretch rod 140 stretch, when boom truck of the setting based on installation
It is temporarily fixed in the fastening material fixed frame 210 of boom truck 200 when 200 ethylene tube 160.
In this regard, fastening material 150 in the inner space S of end frame 110 and two sides frame 130 linearly to configure,
It is not interfered with each other with ethylene tube 160.
This fastening material 150 is embedded to hollow slab concrete C, thus, drawing force is increased, if to cored slab
Base B imports compression stress, then can cut off from fastening material drawing force 140.
As shown in Figures 1 and 2, above-mentioned ethylene tube 160 is formed in the hollow slab of the hollow portion B1 casting of hollow slab B
Concrete C.
In the past, this hollow portion utilized price in the present invention in frame setting fixed cell using rubber tubing
Cheap ethylene tube.
This ethylene tube 160 in inside space S with linearly along longitudinal configuration, it is multiple to be spaced from each other.
In this regard, one end of ethylene tube 160 to the ethylene tube injection unit 111 of end frame 110 extend, the other end to wheel vehicle
231 sides winding.
In this regard, empty to injection inside the ethylene tube 160 completed by the branched pipe 112 for being set to ethylene tube injection unit 111
Gas, fluid, in ethylene tube injection unit 111, one end of ethylene tube 160 is in the lid of nut type, and is poured hollow slab concrete C.
At this point, by the pouring pressure of hollow slab concrete C, the position of ethylene tube 160 can change, therefore, be made
It is that ethylene tube buoyancy prevents net 190.
As shown in Figures 1 and 2, it is to pour injection pressure by hollow slab concrete C that above-mentioned ethylene tube buoyancy, which prevents net 190,
Power, the grid with self weight covered in a manner of preventing 160 virtue of buoyancy of ethylene tube from floating in the upper side of ethylene tube 160
Net is greatly folded because soluble with surrounding the net form state of ethylene tube 160, in the whole development length expansion setting of ethylene tube 160.
This ethylene tube buoyancy is prevented net 190 and is clipped in the fastening material 150 for being set to outermost using ring etc. come even
It connects, thus position when controllable expansion.
Then, it is as follows to observe above-mentioned boom truck 200.
As shown in Figures 1 and 2, above-mentioned boom truck 200 includes fastening material fixed frame 210, ethylene tube roller support
220, ethylene pipe carrier 230 and driving device 240.
That is, as shown in Figure 1, two sides frame 130 is to be manufactured in a manner of connecting with tire on the drive wheels (including rail type)
Operation frame is installed fastening material fixed frame 210, ethylene tube roller support 220, ethylene pipe carrier 230 on top, is passed through
Driving device 240 is to longitudinal movement.
Firstly, boom truck 200 front formed fastening material fixed frame 210, above-mentioned fastening material 150 it is another
One end can temporarily be fixed.
For this purpose, above-mentioned fastening material fixed frame 210 include laterally projecting multiple fixed block, fastening material 150 it is another
One end penetrates through fixed block temporarily to fix in the form of chock, and it is simultaneously final that boom truck 200 is moved to fastening material stretch rod 140
It is fixed.
At this point, above-mentioned fixed block is formed as one with fixed block frame 211 respectively.
Also, ethylene tube 160 extends configuration to longitudinal by ethylene tube roller support 220, with not with fastening material fixed frame
Frame 210 interferes.
As shown in Figure 1, above-mentioned ethylene tube roller support 220 is at the rear of fastening material fixed frame 210, it is multiple along cross
To formation, can be rotated by transverse rotation axis, by ethylene tube 160 by linearly inwardly space S supply in a manner of one end
Exposed by ethylene tube injection unit 111 and branched pipe 112, the ethylene tube injection unit 111 of the other end and final end frame 110
It is connected.
Multiple wheel vehicles 231 are arranged at the rear of ethylene tube roller support 220 in above-mentioned ethylene pipe carrier 230, by taking turns vehicle 231,
Ethylene tube 160 is automatically supplied to the bottom faces of ethylene tube roller support 220.
This wheel vehicle 231 receives rotary force by driving device 240, and above-mentioned driving device 240 further includes rotating roller, edge
Two sides frame, mobile work trolley 200.
In this regard, as shown in Figure 1, boom truck 200 can include: ethylene pipe carrier 230 is included in central upper, takes turns vehicle
231 body frames 231 formed by wheel axle；Ethylene tube roller support 220, in the front of above-mentioned ethylene pipe carrier 230, with
The mode of perforation transverse rotation axis is arranged, and separates and rotates along laterally multiple, and supplies ethylene tube；And fastening material is solid
Frame 210 is determined, including in the front of above-mentioned ethylene tube roller support 220, the fixed block of each fastening material perforation is along transverse direction
Multiple modes separated fix block frame 211 made of being laterally extended.
Fig. 4 and Fig. 5 shows the manufacture diagrammatic illustration of hollow slab frame 100 of the invention.
According to Fig. 4, compared with central portion (the stretching position of hollow slab), closer to the both ends (end of hollow slab
Portion) side, the diameter of above-mentioned ethylene tube 160 becomes smaller, by being set to the branched pipe 112 of both ends frame 110, air, fluid etc.
Inflow become simply, ethylene tube buoyancy prevents net 190 from can cover the upper side of ethylene tube 160, the perforation of fastening material 150 two
110 ground of end frame setting, to finish up after covering.
Also, according to Fig. 5, the ethylene tube 160 for continuously manufacturing multiple hollow slabs can be identified through ethylene tube buoyancy
Net 190 is prevented to be set to the state of hollow slab frame 100.
That is, boom truck 200, which supplies ethylene tube 160 and ethylene tube buoyancy is arranged, prevents net 190, and configure fastening material
150, finally, before the casting of hollow slab concrete, in order to which busy work can move configuration.
It is as a result, as shown in figure 5, final, by pressing against longitudinal product cutting line, be cut to it is multiple, can be by wet type system
The hollow slab B of intensity required for making.
That is, it is previous, concrete is manufactured in a manner of the dry type that hollow slab profile morphology is formed continuously by directly hollow
Slab, this is possible to economy, however, it is difficult to the free section based on concrete casting (wet type) is manufactured, it is bold and unrestrained to buy that
Use the wet-format that can be solved the above problems.
Utilize the hollow slab B of the hollow slab process units production of the wet type using ethylene tube of first embodiment of the invention
Fig. 6 shows the perspective view of hollow slab B of the invention.
After this hollow slab B ensures defined space to the injection of ethylene tube 160 gas, fluid, hollow slab is mixed
After solidifying soil C is poured and solidifies to hollow slab frame 100, make the horizontal inflection of two sides frame 130, finally, from cored slab
Base is dismantled to manufacture with frame 100, using hollow slab concrete C, therefore, can be manufactured with wet type.
In this regard, may be produced that extremely smooth appearance, the diameter of hollow portion is other side sections, to can be sufficiently ensured
The paving open space of the cutting reinforcing bar 191 needed.
It is manufactured by a kind of long-term dangerous section's method, therefore, by disposably cutting, multiple hollow slabs can be manufactured
At multiple.
That is, above-mentioned hollow slab frame 100 to be set to the rear of boom truck 200.
For above-mentioned hollow slab in frame 100, end frame 110 and two sides frame 130 set frame in the form of rectangle
It is placed in under(-)chassis 170, above-mentioned both ends frame 110 and two sides frame 130 are set in the upper side of under(-)chassis 170.
In this regard, will step up material 150 the inner space S formed by end frame 110 and two sides frame 130 along
Longitudinal configuration, one end, which is fixed on, steps up material stretch rod 120, and the other end is fixed on the clamping material at rear using boom truck 200
Expect stretch rod 140.
Also, using the wheel vehicle 231 of the ethylene pipe carrier 230 of boom truck 200 come via ethylene tube roller support 220, one
It holds to the ethylene tube injection unit 111 of end frame 110 and extends, the other end extends to wheel vehicle 231.
As a result, between both ends frame 110, finally it is arranged with straight line or side profile morphology.Certainly, not with clamp material
Material interferes with each other.
As a result, by being set to the branched pipe 112 of ethylene tube injection unit 111, air is injected to ethylene tube 160, is flowed into,
Meanwhile ethylene tube buoyancy prevents net 190 to be covered on upper side.
Ethylene tube buoyancy prevent net 190 in the early stage in the state of longitudinal folding by outermost fastening material 150 to
Longitudinal expansion.
In this regard, in a manner of it can manufacture one or more hollow slab B using boom truck 200 be arranged fastening material,
Ethylene tube, the opposite of end frame 110 configure other end frames 110 to complete hollow slab frame 100 of the invention
Setting.
In this regard, stretching fastening material 150 come in the state of utilizing fastening material stretch rod 140 to carry out mounting end, above-mentioned
The inner space S of hollow slab frame 100 is poured hollow slab concrete C and will be cured, and increases fastening material 150
Drawing force come to hollow slab import compression stress.
In this regard, the air of discharge ethylene tube 160, fluid and residual or removal ethylene tube 160, thus, it ultimately forms hollow
The hollow portion B1 of slab.
In this regard, removal makes two sides frame 130 to horizontal extension come cured sky using lateral frame revers turn part 180
Core base 180 cuts off hollow slab according to length to complete hollow slab of the invention.
As a result, in the present invention, finally, boom truck supply ethylene tube 160 simultaneously temporarily fixes to clamp material, if ethylene tube
160 and ethylene tube buoyancy prevent net 190 from completing setting, then both ends frame 110 is assembled in two sides frame 130, clamps material
Material is installed in the state of final clamping between fastening material fixed link 120 and fastening material stretch rod 140.
In this regard, be arranged hollow slab frame 100 by the length that finally needs, boom truck 200 with standby mode again
It uses.
As a result, according to Fig. 7, the hollow slab B cut by specific length can be confirmed, from the prominent cutting reinforcing bar of upper side
191, to can ensure that the synthesis performance with bottom plate, this can not be carried out by previous dry type manufacturing method.
The second embodiment of the hollow slab process units of wet type using ethylene tube of the invention
Fig. 7 to Figure 15 is the figure for showing second embodiment of the invention.
Firstly, hollow slab frame 100 includes buoyancy preventing portion 300 and pars infundibularis 400 according to Fig. 7 and Fig. 8.
At this point, the lower end of above-mentioned ethylene tube 160 is set in the inner space S of above-mentioned hollow slab frame 100, it is more
It is a to configure at equal intervals, thus constitute along hollow slab length direction extend made of longitudinal P C steel wire 10.
Also, including being in mesh (mash) shape, the mesh screen of above-mentioned ethylene tube 160 and longitudinal P C steel wire 10 is surrounded together
20 is orthogonal with the upper side end of above-mentioned longitudinal P C steel wire 10, and multiple to configure at equal intervals, both side ends are fixed on two sides frame
The lateral PC steel wire 30 of 130 medial surface.
As described above, as shown in figure 9, longitudinal P C steel wire 10, mesh screen 20 and transverse direction PC steel wire 30 are equidistant at predetermined intervals
Two sides frame 130 is fixed in configuration, the short portion in two sides, removes ethylene tube 160 for the first time as a result, because being poured from space S inwardly
Concrete C caused by buoyancy prevent the rising of above-mentioned ethylene tube 160, using above-mentioned buoyancy preventing portion 300 come second
Prevent the rising of pipe 160 dimly.
As described above, the original position of setting ethylene tube 160 can also be maintained even if space S is poured concrete C inwardly,
So as to the cladding thickness of the constant hollow portion for maintaining hollow slab.
Also, mesh screen 20 mutually independently forms, and above-mentioned mesh screen 20 is together constituted with longitudinal P C steel wire 10 and ethylene tube 160,
To form the first hollow formation body H1.
In the present invention, as shown in Figure 9, it is preferable that the above-mentioned first hollow quantity for forming body H1 is 8, can be achieved
It, can be less than 8 or greater than 8 in the range of identical function.
For example, the above-mentioned first hollow quantity for forming body H1 is 6, it is compared with the past as a result, above-mentioned hollow slab
Lateral length is reduced.
Also, the above-mentioned first hollow quantity for forming body H1 is 10, compared with the past, the fixed star of above-mentioned hollow slab
Length increases.
As described above, between adjusting the first hollow quantity for forming body H1 or adjusting between the second hollow formation body H2
Every the lateral length for carrying out the hollow slab of simple adjustment.
Above-mentioned buoyancy preventing portion 300 is set to the upper side end of hollow slab frame 100, and along the length of slab
Direction is mobile.
Above-mentioned buoyancy preventing portion 300 includes frame section 310, mobile tyre 320 and ethylene pipe fixed part 330.
Said frame portion 310 is mutually arranged to the structure of lattice shape in inner frame 311 and external frame 312.
Said external frame 312 two sides lower end place two sides frame 130 upper side, thus constitute so that
The mobile tyre 320 that the mobile mode of buoyancy preventing portion 300 is made of multiple.
At this point, the upper side in above-mentioned two sides frame 130 individually also forms track R, mobile tyre 320 is along above-mentioned
Track R is mobile, and above-mentioned buoyancy preventing portion 300 steadily moves as a result,.
Also, by above-mentioned mobile tyre 320, the production mode reform that buoyancy preventing portion and hollow slab produce is correspondingly
It is mobile.
At this point, the tilt angle of a side end of above-mentioned buoyancy preventing portion 300 is greater than the angle of horizontal plane, as a result, will not
It is interfered with ethylene tube 160, thus, above-mentioned buoyancy preventing portion 300 is simply mobile.
Then, ethylene pipe fixed part 330 is formed in above-mentioned inner frame 311.
Above-mentioned ethylene pipe fixed part 330 extends from the downward side direction of inner frame 311, and ethylene tube 160 is because of space inwardly
The concrete C of S casting and the buoyancy that occurs, in initially set position, ethylene tube 160 without departing from and be fixed.
As shown in Figure 10 to Figure 12, above-mentioned ethylene pipe fixed part 330 include support rod 331, ethylene pipe fixed part 332 and
Height adjustment bolt 333.
Above-mentioned support rod 331 is in the rod-shape that vertically extends, the downside end of above-mentioned support rod 331 with it is above-mentioned
The upper side of ethylene tube 160 connect volume and, thus formed with the curved ethylene pipe fixed part 332 of semi-circular shape.
At this point, two distal edge edges of above-mentioned ethylene pipe fixed part 332 in order to prevent the damage of ethylene tube 160 and have 2
To 3 degree or so of gradient.
The upper side end perforation inner frame 311 of above-mentioned support rod 331 carrys out screw and combines and rotate, by above-mentioned rotation,
Constitute the height adjustment bolt 333 that the height of above-mentioned ethylene pipe fixed part 332 is adjusted along up and down direction.
On the other hand, as shown in figure 11, in order to form the hollow portion of hollow slab, it includes second that above-mentioned ethylene tube 160, which is constituted,
The hollow formation body H2 of the second of alkene pipe fixed part 330.
The hollow formation body H1 of as described above first, it is preferable that above-mentioned second hollow formation body H2 is formed in the present invention
It 8, can be less than 8 or greater than 8 in the range of realizing identical purpose and function.
For example, constituting the second hollow quantity for forming body H2 is 6, it is compared with the past as a result, above-mentioned hollow slab
Lateral length is reduced.
Also, the above-mentioned second hollow quantity for forming body H2 is 10, compared with the past, the transverse direction of above-mentioned hollow slab
Length increases.
As described above, between adjusting the second hollow quantity for forming body H2 or adjusting between the second hollow formation body H2
Every, as a result, can the hollow slab of simple adjustment lateral length.
Then, as shown in Figures 7 and 8, formed in the upper side end of above-mentioned hollow slab frame 100 for inwardly
The pars infundibularis 400 of space S casting concrete S.
Above-mentioned pars infundibularis 400 forms the body part 410 for saving the concrete C of liquid phase state in inside, at above-mentioned
The downside end in body portion 410 forms the concrete injection unit 420 for inside side end S casting concrete.
At this point, above-mentioned concrete injection unit 420 includes screw ontology 421, screw 422 and cover 423.
Above-mentioned screw ontology 421 is because external power rotates automatically to prescribed direction, by along above-mentioned screw ontology
The screw 422 that 421 outer diameter is formed, space S is poured concrete C inwardly.
At this point, the casting of concrete C space S inwardly is prevented after the concrete C of casting requirement, in order to anti-
Only cover 423 is also formed in the solidification of the concrete of the liquid phase of the inside of body part 410 preservation.
Above-mentioned cover 423 is set to the side end of concrete injection unit 420, and hinge is in conjunction with carrying out inflection.
Then, occur in the inside insertion of the concrete C of the liquid phase state of above-mentioned inner space S casting preset
One side end of the compacting element stems 440 of the intensity of vibration.
By the vibration of above-mentioned compacting element stems 440, removal includes in the inside for the concrete C being poured in inside space S
Gas, and can equably arrange surface.
Then, Figure 13 to Figure 15 is the figure for showing buoyancy measurement device 500.
Above-mentioned buoyancy measurement device 500 is measured by the concrete C being poured in inside space S to be occurred in ethylene tube 160
Buoyancy, including braced frame 510, buoyancy measurement frame 520 and buoyancy determination part 530.
Above-mentioned braced frame 510 passes through bracket 511 and the 100 phase knot of hollow slab frame that is used to form inner space S
It closes.
Above-mentioned buoyancy measurement frame 520 is set to the upper side end of above-mentioned braced frame 510, is made of compressed spring
Spring scale 521 is set to the short portion in two sides, to combine with the upper side of above-mentioned hollow slab frame 100.
Buoyancy determination part 530, above-mentioned buoyancy determination part are formed in above-mentioned braced frame 510 and buoyancy measurement frame 520
530 downside end is combined with the upper side of ethylene tube 160, so that measurement is mixed by being poured in hollow slab frame 100
Solidifying soil C, the buoyancy occurred when ethylene tube 160 rises.
Above-mentioned buoyancy determination part 530 formed it is multiple, be formed in above-mentioned braced frame 510 hole (hole) perforation and on
Lower movement, including the vertical steel tube 531 with above-mentioned buoyancy measurement 520 solder bond of frame.
Formed in the downside end of above-mentioned vertical steel tube 531 with the curved ethylene tube support plate 532 of semi-circular shape, with
The upper side of ethylene tube 160 combines.
Vertical steel tube 531 as described above passes through the concrete C of casting, if the upward side of ethylene tube 160 ramps up,
It is mobile with the buoyancy measurement upward side of frame 520 of above-mentioned 531 solder bond of vertical steel tube, it is set to above-mentioned buoyancy measurement frame
The compressed spring of the spring scale 521 in the short portion in 520 two sides can elongate.
Above-mentioned spring scale (521) can measure the buoyancy of ethylene tube 160 as a result, be poured to be adjusted in interior side space S
Concrete C allotment rate, in a manner of adjusting deformation of the input amount of input concrete C to prevent ethylene tube 160
Initial stage is set.
The cored slab produced using the hollow slab process units A of the wet type using ethylene tube of second embodiment of the invention
Base B
Tool is produced as follows using the production method of the hollow slab of hollow slab process units as described above
There is the hollow slab of hollow portion: injection step S100, is constituted in a manner of corresponding with the shape of hollow slab for production
Hollow slab frame 100；Expansion step S200 configures multiple ethylene tubes 160, benefit in the inside of above-mentioned hollow slab frame 100
Expand ethylene tube 160 with air injection device；PC steel wire setting steps S300, in the downside end of above-mentioned ethylene tube 160
Longitudinal P C steel wire 10 and transverse direction PC steel wire 30 are set to be fixed；Buoyancy prevents step S400, in above-mentioned ethylene tube 160
Upper side end setting ethylene pipe fixed part 230 mode buoyancy preventing portion 300 is set；Concrete is poured step S500, utilizes
The 420 of pars infundibularis 400 are poured concrete to the inner space S of frame 100；And ethylene tube removes step S600, if on
It states concrete curing, then removes the air inside above-mentioned ethylene tube 160 to reduce ethylene tube 160 and remove.
At this point, further including being inserted into be compacted to the inside concrete of liquid phase state in above-mentioned concrete casting step S500
After one side end of component 440, the vibration of the intensity set occurs, is compacted as a result, for the concrete of compacted concrete
Step S510.
On the other hand, according to purpose is used, when production has the slab of long-term line, above-mentioned steps are repeated, by
This, the hollow portion for being formed in a side end is identical as the interval for the hollow portion for being formed in end side and cladding thickness, and
And it can simply produce the hollow slab product with homogeneous quality.
As described above, illustrate the present invention referring to the preferred embodiment of the present invention, the technical field of the invention it is common
Technical staff, can be to this in the range of without departing from the thought of the invention recorded in inventing claimed range and field
Invention carries out a variety of modifications and changes.
The explanation of appended drawing reference
S: inner space 100: hollow slab frame
200: boom truck 300: buoyancy preventing portion
400: pars infundibularis 500: buoyancy measurement device
Claims (14)
1. a kind of hollow slab process units of wet type using ethylene tube characterized by comprising
Hollow slab configures ethylene tube (160) along longitudinal with frame (100), formation inner space (S), including a side end
Frame (110) and end side frame (110) and two sides frame (130)；
Fastening material (150) penetrates through side end frame (110) and end side frame via above-mentioned inner space (S)
(110)；And
Ethylene tube buoyancy prevents net (190), folds in the upper side of above-mentioned ethylene tube (160), according to the state being arranged in the early stage
The fastening material (150) of lower configuration is unfolded, to prevent from drawing because of the concrete of casting (C) along the length direction of frame (100)
The mode of the buoyancy of the ethylene tube (160) risen with grid prominent form,
Above-mentioned fastening material (150) is configured at inner space (S), fastening material in a manner of not by ethylene tube (160) interference
(150) a side end penetrates through side end frame to be fixed on the clamping being spaced apart with above-mentioned side end frame (110)
Material fixed link (120), end side penetrate through end side frame to separate with above-mentioned end side frame (110)
The fastening material stretch rod (140) of setting is installed after clamping, to be poured concrete at inner space (S) to be solidified.
2. the hollow slab process units of the wet type according to claim 1 using ethylene tube, which is characterized in that above-mentioned hollow
Slab is with frame (100) further include:
Under(-)chassis (170), including to support side end frame (110) and end side frame (110) and two sides surface frame
The mode of frame (130) is set to the bottom reinforcement bars component (171) of bottom and is set to the top of above-mentioned bottom reinforcement bars component (171)
The bottom plate (172) in face；And
Lateral frame revers turn part (180) is arranged, for adjusting side along bottom plate (172) side of above-mentioned under(-)chassis (170)
The upper-lower height of frame.
3. the hollow slab process units of the wet type according to claim 2 using ethylene tube, which is characterized in that above-mentioned side
Frame revers turn part (180) includes:
Hinge revers turn part (182), one end are cut with scissors with the vertical fixed part (181) being fixedly installed in above-mentioned bottom reinforcement bars component (171)
Chain link, the other end thus expose the lateral frame fixed part (183) extended with lower end with vertically through lateral frame (130)
Hinge connection, thus horizontal inflection；
Lateral frame fixed part (183) penetrates through lateral frame (130), so that lower end be made to expose；And
Fixed holding nut (184), are set to the bottom faces of above-mentioned lateral frame (130), can pass through adjusting and lateral frame
The position that fixed part (183) combines is poured height to adjust the hollow slab concrete based on lateral frame (130).
4. the hollow slab process units of the wet type according to claim 1 using ethylene tube, which is characterized in that
Further include so that the opening of above-mentioned ethylene tube (160) one end from inner space (S) perforation side end frame (110) and
End side frame (110) come the ethylene tube injection unit (111) that is arranged of mode exposed to outside,
Above-mentioned ethylene tube injection unit (111) is for supplying air or fluid to the ethylene tube (160) for being set to inner space (S)
The prominent pipeline extended, if ethylene tube (160) is to being inserted into inside above-mentioned pipeline and to side end frame (110) and the other side
End frame (110) side is exposed, then is connected with the branched pipe (112) for internally injecting air or fluid.
5. the hollow slab process units of the wet type according to claim 1 using ethylene tube, which is characterized in that above-mentioned ethylene
Pipe (160) is included in the ethylene pipe carrier (230) of top setting wheel vehicle (231), to make two sides frame (130) and driving wheel
Tire connects, in boom truck (200) mobile by driving device (240), using above-mentioned wheel vehicle (231) come to hollow slab
Ethylene tube (160) are supplied with the inner space (S) of frame (100).
6. the hollow slab process units of the wet type according to claim 5 using ethylene tube, which is characterized in that above-mentioned work
Trolley (200) supplies ethylene tube (160), and temporarily fixes to clamp material, and above-mentioned boom truck (200) includes:
Ethylene pipe carrier (230) forms the body frame (232) that wheel vehicle (231) is formed by wheel axle in central upper；
Ethylene tube roller support (220), before being set to above-mentioned ethylene pipe carrier (230) in a manner of penetrating through transverse rotation axis
Side, thus, it is multiple along being spaced laterally apart and rotate, and supply ethylene tube；And
Fastening material fixed frame (210) is formed in the front of above-mentioned ethylene tube roller support (220) along the fixation being laterally extended
Block frame (211), so that multiple fixed blocks of each fastening material perforation are along being spaced laterally apart.
7. the hollow slab process units of the wet type according to claim 6 using ethylene tube, which is characterized in that above-mentioned wheel vehicle
(231) rotary force is received by driving device (240), above-mentioned driving device (240) further includes rotating roller, to make boom truck
(200) it can be moved along two sides frame.
8. a kind of hollow slab process units of wet type using ethylene tube, which is characterized in that
On ground, setting utilizes the hollow slab process units of wet type of ethylene tube, and the hollow slab of the above-mentioned wet type using ethylene tube is raw
Producing device includes:
Ethylene tube (160) is set to including side end frame (110) and end side frame (110) and two sides frame
(130) inner space (S) of hollow slab frame (100)；
The both ends of ethylene tube injection unit (110), the opening of above-mentioned ethylene tube are set to side end frame (110) from inner space
And end side frame (110)；
Fastening material (150), via above-mentioned inner space (S) come to penetrate through side end frame (110) and end side frame
The mode of frame (110) configures；And
The ethylene tube buoyancy of grid form prevents net (190), folds in above-mentioned ethylene tube upper side, along the shape being arranged in the early stage
The fastening material expansion connected under state, and the buoyancy of ethylene tube is prevented,
In the state of importing pulling force to above-mentioned fastening material (150), gas or fluid are injected to ethylene tube to form cored slab
The hollow portion of base,
With to the inner spaces (S) of above-mentioned cored slab base frame (100) embedment ethylene tube (160) and fastening material (150)
Mode is poured and curing concrete (C),
The ethylene tube manufactured using cured hollow slab (B) is dismantled with frame (100) from above-mentioned hollow slab,
By can be configured in such a way that hollow slab continuously manufactures multiple above-mentioned hollow slabs (B) with frame (100) ethylene tube and
Fastening material manufactures, and length cutting as needed, from prominent cutting reinforcing bar (191) of upper side, so as to ensure and bottom
The synthesis performance of plate.
9. a kind of hollow slab process units of wet type using ethylene tube characterized by comprising
Hollow slab is formed with inner space with frame (100), configures ethylene tube (160) along longitudinal, including a side end frame
Frame (110) and end side frame (110) and two sides frame (130)；
Buoyancy preventing portion (300) is set to the upper side end of above-mentioned hollow slab frame (100), can be along the length of slab
It is mobile to spend direction；And
Pars infundibularis (400) is set to the upper side end of above-mentioned hollow slab frame (100), thus mixed in inner space casting
Solidifying soil,
The inner space of above-mentioned hollow slab frame (100) includes:
Longitudinal P C steel wire (10), it is multiple to configure at equal intervals in the lower end of above-mentioned ethylene tube (160), along the length side of slab
To extending；
Mesh screen (20) is in shape of a mesh, surrounds above-mentioned ethylene tube (160) and longitudinal P C steel wire (10) together；And
Lateral PC steel wire (30), in the upper side end of above-mentioned longitudinal P C steel wire (10), with orthogonal with above-mentioned longitudinal P C steel wire (10)
Mode make multiple equidistantly to configure, both side ends are fixed on the medial surface of two sides frame (130).
10. the hollow slab process units of the wet type according to claim 9 using ethylene tube, which is characterized in that above-mentioned floating
Power preventing portion (300) includes:
Frame section (310), inner frame (311) and external frame (312) are mutually configured with clathrate；
Mobile tyre (320), in the two sides lower end of said external frame (312), setting is multiple, is placed in two sides frame
(130) upper side is simultaneously moved；And
Ethylene pipe fixed part (330) combines with above-mentioned inner frame (311), extends along downside direction, with ethylene tube
(160) upper side is mutually close to, and fixes the initially set position of ethylene tube (160) as a result,.
11. the hollow slab process units of the wet type according to claim 10 using ethylene tube, which is characterized in that above-mentioned second
Alkene pipe fixed part (330) further include:
Support rod (331), extends along up and down direction, is in rod-shape；
The upper side of ethylene pipe fixed part (332), the downside end and above-mentioned ethylene tube (160) of above-mentioned support rod (331) is mutually tight
Patch, is bent with semi-circular shape；And
Height adjustment penetrates through inner frame (311) and screw combination with bolt (333), the upper side end of above-mentioned support rod (331),
By rotation, the height of above-mentioned ethylene pipe fixed part (332) is adjusted along up and down direction.
12. the hollow slab process units of the wet type according to claim 9 using ethylene tube, which is characterized in that above-mentioned floating
The gradient of one side end of power preventing portion (300) is greater than the angle of horizontal plane, can be opposite with the production mode reform of hollow slab
It is moved with answering.
13. the hollow slab process units of the wet type according to claim 9 using ethylene tube, which is characterized in that
Including the first hollow formation body (H1), including above-mentioned longitudinal P C steel wire (10), mesh screen (20) and ethylene tube (160),
By adjusting the above-mentioned first hollow quantity for forming body (H1) or interval, to adjust the lateral length of hollow slab.
14. the hollow slab process units of the wet type according to claim 9 using ethylene tube, which is characterized in that above-mentioned leakage
Pan (400) includes:
Body part (410), in the internal concrete (C) for saving liquid phase state；
Concrete injection unit (420), the downside end in above-mentioned body part (410) pass through the screw ontology rotated automatically
(421), it is formed in the cover of the screw (422) of above-mentioned screw ontology (421) and the amount of the concrete (C) for adjusting casting
(423) come to be poured concrete (C) inwardly space (S)；And
It is compacted element stems (440), a side end is inserted to the inside of the concrete (C) for the liquid phase state being poured in inner space (S)
Enter the vibration to occur to have set.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2017-0078934 | 2017-06-22 | ||
| KR1020170078934A KR101798977B1 (en) | 2017-06-22 | 2017-06-22 | Hollow slab fabricating apparatus using tube and hollow slab fabricated therewith |
| KR10-2018-0063794 | 2018-06-01 | ||
| KR20180063794 | 2018-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109109128A true CN109109128A (en) | 2019-01-01 |
Family
ID=64822770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810652291.0A Pending CN109109128A (en) | 2017-06-22 | 2018-06-22 | Using the hollow slab process units of the wet type of ethylene tube and utilize its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109109128A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211625A (en) * | 2021-04-25 | 2021-08-06 | 朱睿 | Processing platform is used in prestressed concrete production |
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| CN2707457Y (en) * | 2004-07-05 | 2005-07-06 | 王周富 | Machine for producing hollow light partition plate |
| CN2834850Y (en) * | 2006-03-10 | 2006-11-08 | 李文国 | Forming machine for hollow wall plate |
| KR101713632B1 (en) * | 2016-05-31 | 2017-03-08 | (주)까뮤이앤씨 | Precast Concrete Hollow Core Slab And Manufacturing Method For Thereof |
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| US3614977A (en) * | 1968-08-28 | 1971-10-26 | Schloemann Ag | Casting method and mold with cavity portions in end walls |
| CN1268918A (en) * | 1997-08-29 | 2000-10-04 | 博拉尔能源(新南威尔士)有限公司 | Building panel, and method and apparatus of forming same |
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