CN105780623B - Composite structure layer and its laying method - Google Patents
Composite structure layer and its laying method Download PDFInfo
- Publication number
- CN105780623B CN105780623B CN201610229899.3A CN201610229899A CN105780623B CN 105780623 B CN105780623 B CN 105780623B CN 201610229899 A CN201610229899 A CN 201610229899A CN 105780623 B CN105780623 B CN 105780623B
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- Prior art keywords
- precast
- concrete
- composite structure
- structure layer
- slab
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/001—Pavings made of prefabricated single units on prefabricated supporting structures or prefabricated foundation elements except coverings made of layers of similar elements
Abstract
The present invention provides a kind of composite structure layer and its laying method.The composite structure layer includes：Prefabrication and assembly construction concrete and the functional layer for being laid on the prefabrication and assembly construction concrete upper surface, wherein, the prefabrication and assembly construction concrete includes polylith precast slab and a plurality of precast concrete beam；The bottom of the precast slab is provided with the mounting groove with the form fit of the precast concrete beam, at least two concrete slabs of continuous laying are fixedly connected by the precast concrete beam by the mounting groove, to form the overall prefabrication and assembly construction concrete of bearing load.The present invention under precast slab by setting precast concrete beam, in assembling, leveling can be carried out to precast slab using precast concrete beam, so as to ensure that the structure sheaf of assembling has good flatness.
Description
Technical field
The present invention relates to highway engineering technology and airport pavement engineering technology, more particularly to a kind of composite structure layer and its
Laying method.
Background technology
If at present domestic cement concrete road base based on cast in situs, site operation can produce substantial amounts of waste water,
Waste gas, waste residue, construction operation time length, construction machinery volume of traffic is big, and personnel specialty degree is low, when needing long after cast in situs
Between the unfavorable factor such as maintenance.Due to economy fast development, it is necessary to expressway construction faster, it is firmer, more environmentally friendly.
In recent years, prefabricated construction is widely used in building industry, promotes the more green ring of development of building trade
Protect, construction quality is got better protection, and substantially reduce the construction period.On transportation industry, prefabricated assembled road
Face is in precasting yard concentration pre-casting concrete flag, and then concrete prefabricated board that intensity is reached to design requirement is transported and applied
Work scene, the cement concrete pavement being assembled to form.
But common prefabricated assembled road surface, have that surface evenness is poor, road deck function of surface hole is more, influence
The defects of road surface globality.
The content of the invention
It is easy to ensure structure flatness the technical problem to be solved by the invention is to provide one kind, improves structural integrity
Composite structure layer.
A kind of composite structure layer provided by the invention, including：Prefabrication and assembly construction concrete and it is laid on described
The functional layer of prefabrication and assembly construction concrete upper surface,
Wherein, the prefabrication and assembly construction concrete includes：Polylith precast slab and a plurality of precast concrete beam；
The bottom of the precast slab is provided with the mounting groove with the form fit of the precast concrete beam, described
At least two concrete slabs of continuous laying are fixedly connected by precast concrete beam by the mounting groove, to form bearing load
Overall prefabrication and assembly construction concrete.
For above-mentioned composite structure layer, in a kind of possible implementation, the depth of the mounting groove be less than or
Equal to the height of the precast concrete beam.
It is pre-buried in the precast concrete beam in a kind of possible implementation for above-mentioned composite structure layer
There are at least two fix bars, the height that the fix bar is exposed from the upper surface of the precast concrete beam is less than or equal to from institute
The top surface of mounting groove is stated to the height between the upper surface of the precast slab.
For above-mentioned composite structure layer, in a kind of possible implementation, from the top surface of the mounting groove to institute
The upper surface for stating precast slab is provided with through hole with the fix bar position correspondence, and the fix bar is through corresponding logical
The precast slab and the precast concrete beam are fixed in hole.
For above-mentioned composite structure layer, in a kind of possible implementation, the position in the precast slab
There is fixing groove in the top of the through hole, pad is installed in the fixing groove, and by nut and the pad by institute
Precast slab is stated to fix with the precast concrete beam.
For above-mentioned composite structure layer, in a kind of possible implementation, from the top surface of the mounting groove to institute
The upper surface for stating precast slab is provided with blind hole with the fix bar position correspondence, blind corresponding to the fix bar insertion
The precast slab and the precast concrete beam are fixed in hole.
For above-mentioned composite structure layer, in a kind of possible implementation, in the side of the precast slab
Face is provided with the mounting hole with the fix bar position correspondence, is inserted with steady pin in the mounting hole, and the one of the steady pin
End is inserted in the fix bar, and the precast slab and the precast concrete beam are fixed.
For above-mentioned composite structure layer, in a kind of possible implementation, set in the precast slab
It is equipped with the built-in fitting for lifting and being in the milk.
For above-mentioned composite structure layer, in a kind of possible implementation, the material of the functional layer is cement
It is any kind in concrete, asphalt, polymer concrete.
The present invention also provides a kind of laying method of composite structure layer, and the composite structure layer is the embodiment of the present invention
In any one structure composite structure layer, methods described includes：
The specified location a plurality of precast concrete beam being lifted into construction area；
For each piece of precast slab, the precast slab is lifted to described more in construction area
The top of bar precast concrete beam, the mounting groove of the precast slab bottom is being directed at each a plurality of precast concrete
In the state of the position of beam, the precast slab is placed into the construction area；
After the precast slab and the precast concrete beam leveling and fixing, the precast slab is dismantled
In suspender, and by suspender install duct be in the milk；
Functional layer is laid in the upper surface of the precast slab.
The present invention, in assembling, can utilize concrete by setting precast concrete beam under precast slab
Tu Liang carries out leveling to precast slab, so as to ensure that the structure sheaf after assembling has good flatness.
Using the structure sheaf laying road surface of the present invention or airfield pavement, be advantageous to the regulation by precast beam and basic unit, so
Make road surface or road face smooth by the screw fine setting on the bolt and prefabricated board on precast beam again afterwards.
The precast slab for the sleeper beam formula prefabricated assembly structural layer laid using the present invention is supported by precast beam, prefabricated
Certain space between plate and basic unit be present, then poured into grouting material under prefabricated board by grout hole.The presence in space has
Beneficial to flowing of the grouting material between prefabricated board and basic unit, it is filled in ensureing that grouting material is uniformly full under prefabricated board.Make
The brace foundation of sleeper beam formula prefabricated assembly structural layer is more closely knit, so as to ensure that the bearing capacity of structure sheaf.
In addition, by laying functional layer in the upper surface of precast slab, be advantageous to further improve composite structure
The flatness of layer, while improve the driving comfort of the structure.
Brief description of the drawings
Comprising in the description and the accompanying drawing of a part for constitution instruction and specification together illustrate the present invention's
Exemplary embodiment, feature and aspect, and for explaining the principle of the present invention.
Fig. 1 a are the installment state schematic diagram of the composite structure layer of the embodiment of the present invention one；
Fig. 1 b show for the installment state of prefabrication and assembly construction concrete in the composite structure layer of the embodiment of the present invention one
It is intended to；
Fig. 2 a be the embodiment of the present invention one composite structure layer in precast slab a kind of exemplary construction solid
Figure；
Fig. 2 b be the embodiment of the present invention one composite structure layer in precast slab a kind of exemplary construction side view
Figure；
Fig. 3 be the embodiment of the present invention one composite structure layer in a kind of exemplary construction of precast slab look up
Figure；
Fig. 4 a be the embodiment of the present invention one composite structure layer in precast concrete beam a kind of exemplary construction solid
Figure；
Fig. 4 b be the embodiment of the present invention one composite structure layer in precast concrete beam a kind of exemplary construction side view
Figure；
Fig. 5 be the embodiment of the present invention one composite structure layer in precast concrete beam a kind of exemplary construction vertical view
Figure；
Fig. 6 a and Fig. 6 b be the embodiment of the present invention one composite structure layer in prefabrication and assembly construction concrete lifting
The top view of structure；
Fig. 7 be the embodiment of the present invention two composite structure layer in the fixed form of prefabrication and assembly construction concrete show
It is intended to；
Fig. 8 be the embodiment of the present invention three composite structure layer in the fixed form of prefabrication and assembly construction concrete show
It is intended to；
Fig. 9 is the flow chart of the laying method of the composite structure layer of the embodiment of the present invention four.
Embodiment
Describe various exemplary embodiments, feature and the aspect of the present invention in detail below with reference to accompanying drawing.It is identical in accompanying drawing
Reference represent the same or analogous component of function.Although the various aspects of embodiment are shown in the drawings, remove
Non-specifically point out, it is not necessary to accompanying drawing drawn to scale.In addition, in order to better illustrate the present invention, embodiment below
In give numerous details.It will be appreciated by those skilled in the art that without some details, the present invention equally can be with
Implement.In some instances, it is not described in detail for method well known to those skilled in the art, means, in order to highlight this
The purport of invention.
Embodiment one
Fig. 1 a are the installment state schematic diagram of the composite structure layer of the embodiment of the present invention one, and Fig. 1 b are the embodiment of the present invention
The installment state schematic diagram of prefabrication and assembly construction concrete in one composite structure layer, Fig. 2 a are the embodiment of the present invention one
The stereogram of a kind of exemplary construction of precast slab in composite structure layer, Fig. 2 b are the combined type of the embodiment of the present invention one
The side view of a kind of exemplary construction of precast slab in structure sheaf, Fig. 3 are the composite structure layer of the embodiment of the present invention one
A kind of upward view of exemplary construction of middle precast slab.Fig. 4 a are prefabricated in the composite structure layer of the embodiment of the present invention one
A kind of stereogram of exemplary construction of beams of concrete.Fig. 4 b are precast concrete in the composite structure layer of the embodiment of the present invention one
A kind of side view of exemplary construction of beam, Fig. 5 are one of precast concrete beam in the composite structure layer of the embodiment of the present invention one
The top view of kind exemplary construction.
As illustrated in figs. 1A and ib, the composite structure layer can mainly include：Prefabrication and assembly construction concrete 60 with
And it is laid on the functional layer 61 of the prefabrication and assembly construction concrete upper surface.Wherein, prefabrication and assembly construction concrete 60
Can include polylith precast slab 11 (can abbreviation prefabricated board) and a plurality of precast concrete beam 12 (can abbreviation it is prefabricated
Beam).Wherein, as shown in Fig. 2 a, Fig. 2 b, Fig. 3, Fig. 4 a and Fig. 4 b, the bottom of precast slab 11 be provided with it is described prefabricated
The mounting groove 111 of the form fit of beams of concrete 12, the precast concrete beam 12 is by the mounting groove 111 by continuous laying
At least two pieces of precast slabs 11 be fixedly connected, to form the overall prefabrication and assembly construction concrete of bearing load.
In a kind of possible implementation, the material of the functional layer can be chosen but be not limited to cement concrete, drip
It is any kind in blue or green compound, polymer concrete.
It should be noted that, although prefabricated board is illustrate only in Fig. 1 b, Fig. 2 a, Fig. 2 b and Fig. 3 is provided with two mounting grooves
111, specifically can be with it will be appreciated by a person skilled in the art that the number of the mounting groove 111 of prefabricated board can also be more than two
Flexibly set according to the difference of the width of prefabricated board.Accordingly, the precast beam matched with 111 numbers of mounting groove can be set.And
And although illustrate only two pieces of prefabricated boards of length direction continuous laying in a precast beam in Fig. 1 b, Fig. 2 a, Fig. 2 b and Fig. 3,
It will be appreciated by a person skilled in the art that according to the length of precast beam and the difference of the length of prefabricated board, each precast beam
The number of preformed sheets for being capable of continuous laying on length direction can also more than two.In addition, if construction area is longer road
Face, airfield runway etc., can be with the multigroup precast beam of continuous laying and prefabricated section, in every two precast beams along the length of construction area
The position of linking, bridged preferably by one block of prefabricated section, to ensure the smooth of the road surface after assembling or airfield pavement.
As shown in Fig. 4 a, Fig. 4 b and Fig. 5, in a kind of possible implementation, be embedded with precast concrete beam 12 to
Few two fix bars 121.Wherein, the quantity of fix bar 121 pre-buried in precast beam can be set according to the length of prefabricated board, excellent
Elect as in precast beam at interval of being provided with least two fix bars 121 in the range of one piece of prefabricated board length.And precast beam
In fix bar 121 matched with the position in the hole 112 in prefabricated board and size, so as to fixed by fix bar 121 and hole 112 it is pre-
Beam and prefabricated board processed.The fixed form of prefabricated board and precast beam have it is a variety of, the present invention in pass through following Hes of embodiment two respectively
Embodiment three introduces two kinds of fixed forms.Fix bar 121 is preferably but is not limited to be embedded in screw rod or bolt in precast beam
Deng.
Preferably, as shown in Fig. 2 b and Fig. 4 b, the depth D1 of mounting groove 111 is less than or equal to the precast concrete beam 12
Height D2, be so advantageous to adjust the discrepancy in elevation between precast slab, and be advantageous to grouting material during follow-up grouting construction
Flowing and filling.
As shown in Fig. 2 b and Fig. 4 b, height that the fix bar 121 is exposed from the upper surface of the precast concrete beam 12
H1 is less than or equal to from the top surface of the mounting groove 111 to the height H2 the upper surface of the precast slab 11, this
Sample avoids precast concrete plate surface from the globality for compared with Multifunctional perforated, advantageously ensuring that the surface of precast slab 11 being present.
Fig. 6 a and Fig. 6 b be the embodiment of the present invention one composite structure layer in prefabrication and assembly construction concrete lifting
The top view of structure.As shown in figures 6 a and 6b, in a kind of possible implementation, the precast concrete of composite structure layer
The built-in fitting 113 for lifting and being in the milk is provided with plate 11.It is able to can be led to mounting hanger, lifting appliance on built-in fitting 113
Cross suspender and sling precast slab 11 and installed.In addition, suspender is taken out from built-in fitting, follow-up filling can be carried out
The operation such as slurry.The process specifically lifted may refer to the associated description of following embodiments of the method.
Embodiment two
Fig. 7 be the embodiment of the present invention two composite structure layer in the fixed form of prefabrication and assembly construction concrete show
It is intended to.On the basis of embodiment one, as shown in Fig. 7 and Fig. 1, the prefabrication and assembly construction concrete of the composite structure layer of the present embodiment
In structure sheaf, it is provided with from the upper surface of top surface to the precast slab 11 of the mounting groove 111 of precast slab 11 and institute
The through hole 122 of the position correspondence of fix bar 121 is stated, the fix bar 121 passes through corresponding through hole 122 by the precast slab
11 fix with the precast concrete beam 12.
Preferably, fixed as shown in fig. 7, having in the precast slab 11 positioned at the top of the through hole 122
Groove 123, is provided with pad 124 in the fixing groove 123, and by nut 31 and the pad 124 by the concrete
Native plate 11 is fixed with the precast concrete beam 12.The advantages of this fixed form be plate caused by avoiding prefabricated deviation with beam without
The situation and be conveniently adjusted the discrepancy in elevation between contiguous prefabricated plate to ensure the flatness of structure sheaf that method is installed.
Embodiment three
Fig. 8 be the embodiment of the present invention three composite structure layer in the fixed form of prefabrication and assembly construction concrete show
It is intended to.On the basis of embodiment one, as shown in Fig. 8 and Fig. 1, the prefabrication and assembly construction concrete of the composite structure layer of the present embodiment
In structure sheaf, it is provided with and the fix bar from the upper surface of top surface to the precast slab 11 of the mounting groove 111
The blind hole 125 of 121 position correspondences, the fix bar 121 insert corresponding to blind hole 125 by the precast slab 11 with it is described
Precast concrete beam 12 is fixed.
Preferably, as shown in figure 8, being provided with the side of the precast slab 11 and the position of fix bar 121
Corresponding mounting hole 126, steady pin 33 is inserted with the mounting hole 126, and the fixation is inserted in one end of the steady pin 33
In bar 121, the precast slab 11 and the precast concrete beam 12 are fixed.In the fixed form shown in Fig. 8,
The top of fix bar 121 is provided with jack 35, and the size of the jack 35 and the size of steady pin 33 are adapted, so that steady pin
33 one end is inserted into fix bar 121.The advantages of this fixed form is that to avoid precast concrete plate surface from existing more
Functional hole, it ensure that the globality on the surface of precast slab 11.
Prefabricated board and precast beam in the embodiment of the present invention, typically refer to outside construction area concentration pre-casting and health is to age
The Ban Heliang of phase, it is included in prefabricated board and precast beam to lay to add in reinforcing bar, concrete and blending is added in additive, concrete
Situations such as being mixed in material, concrete with regeneration aggregate.
Example IV
Fig. 9 is the flow chart of the laying method of the composite structure layer of the embodiment of the present invention four.As shown in figure 9, for upper
The composite structure layer of any one structure in embodiment is stated, its laying method can include：
Step 901, the specified location being lifted into a plurality of precast concrete beam in construction area；
Step 902, for each piece of precast slab, the precast slab is lifted in construction area
The a plurality of precast concrete beam top, the alignment of the mounting groove of the precast slab bottom is each described a plurality of pre-
In the state of the position of beams of concrete processed, the precast slab is placed into the construction area；
Step 903, will the precast slab and the precast concrete beam leveling and after fixing, dismounting is described prefabricated
Suspender in the built-in fitting of concrete slab；
Step 904, by suspender install duct be in the milk；
Step 905, the precast slab upper surface lay functional layer.
Specifically, concentration pre-casting concrete slab and beams of concrete first outside construction area.It is strong to reach design by health
After degree, by prefabricated board and transporting precast beams to job site, referring to Fig. 6 a and Fig. 6 b, by corresponding lifting appliance by precast beam
Lie against in the basic unit of leveling, prefabricated board is placed on precast beam, the screw on prefabricated board will be corresponding to the screw rod on pre- Ying Liang, so
The installation accuracy of prefabricated board is finely tuned by the screw on the screw rod and plate on precast beam afterwards, structure sheaf is smooth after being assembled with guarantee
Degree.Finally, the space poured into grouting material between prefabrication and assembly construction concrete and basic unit by reserved grout hole, waits to fill
Pulp strength meets to lay functional layer in the upper surface of precast slab after design requirement.Functional layer construction, which is finished and reached, to be set
Meter can open to traffic after requiring.
Contrast of the invention with common prefabrication and assembly construction road surface has the following advantages that：
The linking of common prefabricated assembly structural layer is to lean on the transmission rod of seam crossing or ribbet to be attached, its structure sheaf
Difficulty of construction is big, globality is poor, it is impossible to solve the problems, such as surface evenness well.The combined type knot laid using the present invention
Structure layer is directed to this defect of common prefabricated construction layer, by the regulation of precast beam and basic unit, then again by prefabricated
Screw fine setting on bolt and prefabricated board on beam makes structure sheaf smooth, and by the making of surface functional layer, substantially increases
The flatness of pavement structure or airfield pavement.By grouting construction in work progress, prefabrication and assembly construction concrete is filled with
Space between basic unit, it ensure that the globality and bearing capacity of structure.
For common prefabricated assembly structural layer in grouting construction, grouting pressure when fluidity to grouting material and construction is all
There is certain requirement, increase difficulty of construction.The precast slab for the prefabricated assembly structural layer laid using the present invention is to lean on
Precast beam supports, and certain space between prefabricated board and basic unit be present, grouting material then is poured into prefabricated board by grout hole
Under.The presence in space has the flowing between prefabricated board and basic unit beneficial to grouting material, is filled out with ensureing that grouting material is uniformly full
Fill under prefabricated board.Make the brace foundation of sleeper beam formula prefabricated assembly structural layer more closely knit, so as to ensure that the bearing capacity of structure sheaf.
In addition, the surface functional layer for the composite structure layer laid using the present invention, not only further increases structure
Globality and flatness, road-ability is substantially increased, and certain bearing capacity can be provided, ensure that the stabilization of structure
Property and durability.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (9)
- A kind of 1. composite structure layer, it is characterised in that including：Prefabrication and assembly construction concrete and it is laid on described prefabricated The functional layer of concrete upper surface is assembled,Wherein, the prefabrication and assembly construction concrete includes：Polylith precast slab and a plurality of precast concrete beam；The bottom of the precast slab is provided with the mounting groove with the form fit of the precast concrete beam, described prefabricated At least two pieces of precast slabs of continuous laying are fixedly connected by beams of concrete by the mounting groove, to form bearing load Overall prefabrication and assembly construction concrete, the depth of the mounting groove is less than or equal to the height of the precast concrete beam Degree.
- 2. composite structure layer according to claim 1, it is characterised in that be embedded with least in the precast concrete beam Two fix bars, the height that the fix bar is exposed from the upper surface of the precast concrete beam are less than or equal to from the installation The top surface of groove is to the height between the upper surface of the precast slab.
- 3. composite structure layer according to claim 2, it is characterised in that from the top surface of the mounting groove to described prefabricated The upper surface of concrete slab is provided with the through hole with the fix bar position correspondence, and the fix bar passes through corresponding through hole by institute Precast slab is stated to fix with the precast concrete beam.
- 4. composite structure layer according to claim 3, it is characterised in that positioned at described in the precast slab The top of through hole has fixing groove, and pad is provided with the fixing groove, and will be described prefabricated by nut and the pad Concrete slab is fixed with the precast concrete beam.
- 5. composite structure layer according to claim 2, it is characterised in that from the top surface of the mounting groove to described prefabricated The upper surface of concrete slab is provided with the blind hole with the fix bar position correspondence, and blind hole corresponding to the fix bar insertion is by institute Precast slab is stated to fix with the precast concrete beam.
- 6. composite structure layer according to claim 5, it is characterised in that set in the side of the precast slab There is the mounting hole with the fix bar position correspondence, steady pin, one end insertion of the steady pin are inserted with the mounting hole In the fix bar, the precast slab and the precast concrete beam are fixed.
- 7. composite structure layer according to any one of claim 1 to 6, it is characterised in that in the precast concrete The built-in fitting for lifting and being in the milk is provided with plate.
- 8. composite structure layer according to any one of claim 1 to 6, it is characterised in that the material of the functional layer To be any kind in cement concrete, asphalt, polymer concrete.
- 9. a kind of laying method of composite structure layer, it is characterised in that the composite structure layer is in claim 1 to 8 Composite structure layer described in any one, methods described include：The specified location a plurality of precast concrete beam being lifted into construction area；For each piece of precast slab, the precast slab is lifted to described a plurality of prefabricated mixed in construction area Solidifying Tu Liang top, the mounting groove of the precast slab bottom is being directed to the position of each a plurality of precast concrete beam In the state of, the precast slab is placed into the construction area；After the precast slab and the precast concrete beam leveling and fixing, dismantle in the precast slab Suspender, and duct is installed by suspender and is in the milk；Functional layer is laid in the upper surface of the precast slab.
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| CN201610229899.3A CN105780623B (en) | 2016-04-14 | 2016-04-14 | Composite structure layer and its laying method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CZ308048B6 (en) * | 2018-10-31 | 2019-11-20 | České vysoké učenà technické v Praze | Prefabricated construction system, especially reinforced concrete highway roads |
| CN110438861B (en) * | 2019-07-16 | 2022-05-31 | 无锡市天合景观工程有限公司 | Double-color asphalt pavement structure and construction process thereof |
| CN113355966A (en) * | 2021-07-06 | 2021-09-07 | 中铁建设集团有限公司 | Precast concrete pavement panel connection structure based on ground anchor fixation and installation method |
| CN114635327A (en) * | 2022-03-23 | 2022-06-17 | 广东万奥建设工程有限公司 | High-bearing-capacity municipal road based on composite piles and prefabricated plates and construction method thereof |
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|---|---|---|---|---|
| DE2549583A1 (en) * | 1975-11-05 | 1977-05-12 | Ehlscheid Kg Friedhelm | Temporary demountable prefabricated element tennis court - uses plastic coated concrete slabs with edges laid on concrete beams |
| DE2939605A1 (en) * | 1978-09-29 | 1980-04-17 | Mcmahon Thomas A | COMPETITION TRACK |
| US7131239B2 (en) * | 2002-04-09 | 2006-11-07 | Williams Jonathan P | Structural slab and wall assembly for use with expansive soils |
| CN103334356A (en) * | 2013-06-26 | 2013-10-02 | 中国建筑股份有限公司 | Bridge type precast reinforced concrete hidden beam slab pavement system and construction method thereof |
| WO2015099541A1 (en) * | 2013-12-27 | 2015-07-02 | Modul Tech As | Modular floor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2549583A1 (en) * | 1975-11-05 | 1977-05-12 | Ehlscheid Kg Friedhelm | Temporary demountable prefabricated element tennis court - uses plastic coated concrete slabs with edges laid on concrete beams |
| DE2939605A1 (en) * | 1978-09-29 | 1980-04-17 | Mcmahon Thomas A | COMPETITION TRACK |
| US7131239B2 (en) * | 2002-04-09 | 2006-11-07 | Williams Jonathan P | Structural slab and wall assembly for use with expansive soils |
| CN103334356A (en) * | 2013-06-26 | 2013-10-02 | 中国建筑股份有限公司 | Bridge type precast reinforced concrete hidden beam slab pavement system and construction method thereof |
| WO2015099541A1 (en) * | 2013-12-27 | 2015-07-02 | Modul Tech As | Modular floor |
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| CN105780623A (en) | 2016-07-20 |
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