CN104763085B - The double T floor frames structures of assembled integral prestressing force and its construction method - Google Patents
The double T floor frames structures of assembled integral prestressing force and its construction method Download PDFInfo
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- CN104763085B CN104763085B CN201510163687.5A CN201510163687A CN104763085B CN 104763085 B CN104763085 B CN 104763085B CN 201510163687 A CN201510163687 A CN 201510163687A CN 104763085 B CN104763085 B CN 104763085B
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000005266 casting Methods 0.000 claims description 7
- 230000000875 corresponding Effects 0.000 claims description 4
- 239000004540 pour-on Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 15
- 230000003014 reinforcing Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004301 light adaptation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials 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Abstract
The present invention relates to a kind of double T floor frames structures of assembled integral prestressing force and its construction method, the structure includes：Column member, branch is on the column member of supporting surface or next floor；It is connected at the top of the beam member and rail members being erected on the column member, the beam member and the rail members and the column member, and forms frame structure, the sidepiece of the rail members is provided with tenon along its length；It is layed in the double T floors on two relative rail members, including floorboard and two flange plates for being vertical at the floorboard bottom, the end of the flange plate is formed with the groove for being adapted to the tenon, and the flange plate is erected on the tenon of the rail members by the groove.Double T floors and longeron are installed by the way that the structure of tenon and fit depressions is assembled, effectively reduce cruciform bracing depth of section, solve the problems, such as that cruciform bracing section present in existing pair of T floor use is too high, construction cost is big.
Description
Technical field
The present invention relates to the realm of building construction, the double T floor frames structures of espespecially a kind of assembled integral prestressing force and its apply
Work method.
Background technology
In building structure construction, using the fabricated construction mode of prefabricated components on-site consolidation, with rapid construction
Advantage, but for the structure of large span, the structural strength of floor panels turns into problem.Should according to double T floor constructions
For longspan structure, the structural strength of floor panels can be solved the problems, such as, but double T floors are used so that cruciform bracing cuts
Face is too high, and the cost of construction is too big, it is difficult to extensive use.
The content of the invention
A kind of defect it is an object of the invention to overcome prior art, there is provided the double T floor frames of assembled integral prestressing force
Frame structure and its construction method, solve present in existing pair of T floor use that cruciform bracing section is too high, construction cost is big asks
Topic.
Realizing the technical scheme of above-mentioned purpose is：
A kind of double T floor frame structures of assembled integral prestressing force of the present invention, including：
Column member, branch is on the column member of supporting surface or next floor；
The beam member and rail members being erected on the column member, the beam member and the rail members
It is connected with the top of the column member, and forms frame structure, the sidepiece of the rail members is provided with along its length
Tenon；
It is layed in the double T floors on two relative rail members, including floorboard and is vertical at the building
Two flange plates of panel bottom, the end of the flange plate is formed with the groove for being adapted to the tenon, and the flange plate passes through
The groove is erected on the tenon of the rail members.
Using double T floor constructions, the structural strength of large span floor can be met, double T floors and longeron are by tenon and recessed
The assembled installation of structure that groove is engaged, effectively reduces cruciform bracing depth of section, solves present in existing pair of T floor use
The problem that cruciform bracing section is too high, construction cost is big.The double T floor frame structures of assembled integral prestressing force in the present invention,
The characteristics of with floor floor height is reduced, and meet the Structural strength calls of large span, the construction period is short.
The double T floor frame structures of assembled integral prestressing force of the present invention further improvement is that, it is also adjacent including connecting
Two additional bars of described pair of T floor and pour in folded on the described pair of floorboard of T floors of same floor
Layer is closed, the additional bar is along two adjacent piece interval settings of described pair of T floor.
The double T floor frame structures of assembled integral prestressing force of the present invention further improvement is that, the side of the floorboard
The position of portion's correspondence additional bar is provided with chamfering structure.
The double T floor frame structures of assembled integral prestressing force of the present invention further improvement is that, the rail members are L
Shape structure, including beam base plate and the beam wing plate for being vertical at described beam base plate one end, the other end of the beam base plate form described
Tenon, the groove on the flange plate is erected on the tenon, and the end of the flange plate fits in the beam wing plate.
The double T floor frame structures of assembled integral prestressing force of the present invention further improvement is that, the rail members are T
Shape structure, including beam base plate and the beam wing plate being vertical in the middle part of the beam base plate, the both ends of the beam base plate are formed respectively
The tenon, the groove on the flange plate is erected on the corresponding tenon, and the end of the flange plate fits in institute
State beam wing plate.
A kind of construction method of the double T floor frame structures of assembled integral prestressing force of the present invention, including：
Column member, beam member and rail members are provided, the sidepiece of the rail members is provided with convex along its length
Tenon；
By column member compartment of terrain branch on supporting surface, the crossbeam structure is set up on the column member
Part and the rail members, form frame structure；
Column member, beam member and the rail members of a upper floor are set up on the frame structure, is formed
The frame structure of multilayer；
Double T floors are provided, described pair of T floor includes floorboard and be vertical at two edges of a wing of the floorboard bottom
Plate, the end of the flange plate is formed with the groove for being adapted to the tenon, and described pair of T floor is erected on into institute by the groove
State on the tenon of rail members so that described pair of T floor is layed between two relative rail members.
The double T floor frame structures of assembled integral prestressing force of the present invention construction method further improvement is that, also wrap
Include：
At two adjacent described pair of T floors set additional bar, by the additional bar respectively with adjacent two
Described pair of T floor is connected；
By the additional bar along two adjacent piece interval settings of described pair of T floor；
Overlapping layers is formed in the casting concrete on the described pair of floorboard of T floors of same floor.
The double T floor frame structures of assembled integral prestressing force of the present invention construction method further improvement is that, it is described
The position of the sidepiece correspondence additional bar of floorboard is provided with chamfering structure.
The double T floor frame structures of assembled integral prestressing force of the present invention construction method further improvement is that, it is described
Rail members are L-shaped structure, including beam base plate and are vertical at the beam wing plate of described beam base plate one end, the beam base plate it is another
End forms the tenon, and the groove on the flange plate is erected on the tenon, and the end of the flange plate fits in institute
State beam wing plate.
The double T floor frame structures of assembled integral prestressing force of the present invention construction method further improvement is that, it is described
Rail members are T-shaped structure, including beam base plate and the beam wing plate that is vertical in the middle part of the beam base plate, the two ends of the beam base plate
Portion forms the tenon respectively, and the groove on the flange plate is erected on the corresponding tenon, and the flange plate end
Portion fits in the beam wing plate.
Brief description of the drawings
Fig. 1 is the structural representation of the double T floor frame structures of assembled integral prestressing force of the present invention；
Fig. 2 is the structural representation of the double T floors in the double T floor frame structures of assembled integral prestressing force of the present invention；
Fig. 3 is the structural representation of the first embodiment of double T floors and rail members attachment structure in the present invention；
Fig. 4 is the structural representation of the second embodiment of double T floors and rail members attachment structure in the present invention；
Fig. 5 is the structural representation at two double T floor connection structures in the present invention；
Fig. 6 is the close-up schematic view at A in Fig. 5；
Fig. 7 is the structural representation of another better embodiment at two double T floor connection structures in the present invention；And
Fig. 8 is the close-up schematic view at B in Fig. 7.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
The present invention provides a kind of double T floor frames structures of assembled integral prestressing force and its construction method, solves double T floors
Directly it is erected on beam structure during assembling so that floor structure is too high, causes the problem of space structure waste, is also solved
The problem that cruciform bracing section is too high, construction cost is big present in existing pair of T floor use.Using rail members and double T buildings
The flange plate of plate directly forms the tenon and groove of mutual cooperation so that double T floors are erected on longeron by the groove of flange plate
On the tenon of component, effectively reduce floor height, it is to avoid section of beam problem too high, and the structural strength of double T floors is high, can be with
Meet longspan structure intensity requirement, constructing operation is simple, and the construction period is short.Below in conjunction with the accompanying drawings to assembled integral of the present invention
The double T floor frames structures of prestressing force and its construction method are illustrated.
Refering to Fig. 1, it is shown that the structural representation of the double T floor frame structures of assembled integral prestressing force of the present invention.Below
With reference to Fig. 1, the double T floor frame structures of assembled integral prestressing force of the present invention are illustrated.
As shown in figure 1, the double T floor frames structures of assembled integral prestressing force of the present invention include column member 11, crossbeam structure
Part 12, rail members 13 and double T floors 14, column member 11 are propped up on supporting surface at certain intervals, the He of beam member 12
Rail members 13 are erected on column member 11, and beam member 12 and rail members 13 are connected solid with the top of column member 11
Fixed, beam member 12 and rail members 13 are erected between two column members 11, and form framework knot with column member 11
Structure, is additionally provided with multistory frame structure on the frame structure, and the column member 11 in such last layer frame structure is located at
On column member 11 in next story frame structure.With reference to shown in Fig. 3 and Fig. 4, the rail members 13 in each story frame structure
Sidepiece be provided with tenon 131 along its length.Double T floors 14 are layed on two relative rail members 13, multiple double T buildings
Plate 14 is laid side by side in the rail members 13 of same story frame structure, is formed the floor of this layer, with reference to shown in Fig. 2, double T
Floor 14 includes floor face 141 and is vertical at two flange plates 142 of the bottom of floor face 141, in the end shape of flange plate 142
Into the groove 1421 for having the tenon 131 in adaptation rail members 13, flange plate 142 is erected on rail members 13 by groove 1421
Tenon 131 on.
As shown in Figure 1 and Figure 5, after double T floors 14 laying of same floor is finished, in the floorboard 141 of double T floors 14
Upper banding steel cage simultaneously pours overlapping layers 16, forms floor construction.Before overlapping layers 16 is poured, in adjacent two double T buildings
Additional bar 15 is connected on plate 14, the additional bar 15 along the adjacent two piece interval settings of double T floors 14, and with phase
The double T floors 14 of adjacent two are respectively fixedly connected with, and it is overall to ensure that adjacent pair of T floors piece is connected by the additional bar 15 for setting
Property.As shown in fig. 6, after two double T floors 14 align, gap 143 is formed between two floorboards 141 of double T floors 14,
Due to the presence in the gap 143 so that the protective layer thickness of additional bar 15 reduces, durability weakens, and may result in reinforcing bar rust
Lose and trigger security incident.A better embodiment of the invention, to solve the above problems, as shown in Figure 7 and Figure 8, floorboard
The position of 141 correspondence additional bars 15 is provided with chamfering structure 1411, after two double T floors 14 align, due to chamfering structure 1411
Presence, the dented space of triangle is formd by two adjacent chamfering structures 1411 in the bottom of additional bar 15, pour
During overlapping layers 16, the Concrete Filled dented space increases the protective layer thickness of additional bar 15, in concrete microcrack
In the presence of avoid reinforcing bar occur corrosion, it is ensured that the security performance under structure behaviour in service.
As shown in figure 3, as a better embodiment of the invention, rail members 13 are T-shaped structure, including beam base plate
132 form respectively tenon 131 with the beam wing plate 133 for being vertical at the middle part of beam base plate 132, the both ends of beam base plate 132, the shape
Into two tenons 131 be used to that double T floors 14 to be installed, the groove 1421 of double T floors 14 is erected on tenon 131, double T floors 14
The end of flange plate 142 fit in beam wing plate 133, the top of this pair of top surface of the floorboard of T floors 14 141 and rail members 13
Face flushes, and is then that the top surface of double T floors 14 pours overlapping layers 16.
As described in Figure 4, as another better embodiment of the invention, rail members 13 are L-shaped structure, including beam base plate
132 are formed with tenon 131, double T buildings with the beam wing plate 133 for being vertical at the one end of beam base plate 132, the other end of the beam base plate 132
Groove 1421 on the flange plate 142 of plate 15 is erected on tenon 131, and the end of the flange plate 142 of double T floors 14 fits in beam
Wing plate 133, this pair of top surface of the floorboard of T floors 14 141 is poured less than the top surface of rail members 13 in the top surface of floor face 141
Build overlapping layers 16 so that the top surface of overlapping layers 16 is flushed with the top surface of the rail members 13.
The junction of beam member 12, rail members 13 and column member 11 is provided with attachment structure, will by attachment structure
Column member 11 and beam member 12, rail members 13 are connected, and the attachment structure includes pouring mixed at beam-to-column joint
Xtah Crude Clay structure and be anchored in concrete structure inner prop reinforcing bar and beam steel, one section of its center pillar reinforcing bar in column member 11, one
Section protrudes out column member 11 and forms anchoring section, and the anchoring section is anchored in concrete structure, and one section of beam steel is located at crossbeam
In component 12 or rail members 13, one section protrudes out beam member 12 or rail members 13 form anchoring section, the anchoring section anchor
It is fixed in concrete structure.Further, when beam member 12 and rail members 13 are erected on column member 11, crossbeam structure
Part 12 and rail members 13 are provided with the first connecting plate in lap-joint, and correspondence lap-joint is provided with the second connection on column member 11
Plate, second connecting plate is welded and fixed with the first connecting plate, the bonding strength for strengthening beam column.
The construction method to the double T floor frame structures of assembled integral prestressing force of the present invention is illustrated below.
A kind of construction method of the double T floor frame structures of assembled integral prestressing force of the present invention, including：
As shown in Figure 1, there is provided column member 11, beam member 12 and rail members 13, the sidepiece of the rail members 13
Tenon is provided with along its length；
By the compartment of terrain of column member 11 branch on supporting surface, beam member 12 is set up on column member 11 and is indulged
Beam 13, forms frame structure；
Column member 11, beam member 12 and the rail members 13 of a upper floor, shape are set up on frame structure
Into the frame structure of multilayer；
As shown in Figures 2 to 4, there is provided double T floors 14, including floorboard 141 and it is vertical at the two of the bottom of floorboard 141
Individual flange plate 142, the end of flange plate 142 is formed with the groove 1421 of adaptation tenon 131, and double T floors 14 are passed through into groove
1421 are erected on the tenon 131 of rail members 13 so that double T floors 14 are layed between two relative rail members 13.
Double T floors 14 that multiple is arranged side by side are formed floor construction.
The method also includes：
As shown in figure 5, set additional bar 15 at adjacent two double T floors 14, by additional bar 15 respectively with phase
The double T floors 14 of adjacent two are connected；
By additional bar 15 along the adjacent two piece interval settings of double T floors 14；
Casting concrete forms overlapping layers 16 on the floorboard 141 positioned at double T floors 14 of same floor.Adjacent
After the side-by-side alignment laying of two double T floors 14, gap 143 is formed between two floorboards 141, due to the presence in gap 143,
So that the protective layer thickness of additional bar 15 reduces, durability weakens, and may result in steel bar corrosion and triggers security incident.This hair
A bright better embodiment, as shown in Figure 7 and Figure 8, to solve the above problems, the position of the correspondence additional bar 15 of floorboard 141
Chamfering structure 1411 is installed, after two double T floors 14 align, due to the presence of chamfering structure 1411, in additional bar 15
Bottom docking forms the dented space of triangle, the Concrete Filled of the overlapping layers 16 for the pouring dented space, increases
The protective layer thickness of additional bar 15, avoids reinforcing bar that corrosion occurs, it is ensured that structure in the presence of concrete microcrack
Security performance under behaviour in service.
As a better embodiment of the invention, as shown in figure 3, it is T-shaped structure that rail members 13 are rail members 13,
Including beam base plate 132 and it is vertical at the beam wing plate 133 at the middle part of beam base plate 132, the both ends of beam base plate 132 form respectively convex
Tenon 131, two tenons 131 of the formation are used to install double T floors 14, and the groove 1421 of double T floors 14 is erected on tenon 131
On, the end of the flange plate 142 of double T floors 14 fits in beam wing plate 133, this pair of top surface of the floorboard of T floors 14 141 with it is vertical
The top surface of beam 13 is flushed, and is then that the top surface of double T floors 14 pours overlapping layers 16.
As described in Figure 4, as another better embodiment of the invention, rail members 13 are L-shaped structure, including beam base plate
132 are formed with tenon 131, double T buildings with the beam wing plate 133 for being vertical at the one end of beam base plate 132, the other end of the beam base plate 132
Groove 1421 on the flange plate 142 of plate 15 is erected on tenon 131, and the end of the flange plate 142 of double T floors 14 fits in beam
Wing plate 133, this pair of top surface of the floorboard of T floors 14 141 is poured less than the top surface of rail members 13 in the top surface of floor face 141
Build overlapping layers 16 so that the top surface of overlapping layers 16 is flushed with the top surface of the rail members 13.
The construction method of the double T floor frame structures of assembled integral prestressing force also includes：
In column member 11 and beam member 12, the junction supporting module of rail members 13, template is attached at cylinder
The lateral surface of component 11；
Enclose to form casting space in template, the casting space is built-in with and protrudes out the post reinforcing bar of column member 11 and protrude out
Go out the joist steel frame of beam member 12 or rail members 13；
Post reinforcing bar and joist steel frame colligation are fixed；
In casting concrete in casting space, to form attachment structure, by column member 11 and beam member 12, longeron structure
Part 13 is connected.
Also include：
In the lap-joint of correspondence beam member 12 and rail members 13 on column member 11, the second connecting plate is set；
In the second connecting plate of correspondence on beam member 12 and rail members 13, the first connecting plate is set；
When setting up beam member 12 or rail members 13 on two adjacent column members 11, by the second connecting plate with
First connecting plate is welded and fixed.
The present invention provides the beneficial effect of a kind of double T floor frames structures of assembled integral prestressing force and its construction method
For：The assembled installation of structure that double T floors pass through tenon and fit depressions with longeron, effectively reduces cruciform bracing depth of section,
Solve the problems, such as that cruciform bracing section present in existing pair of T floor use is too high, construction cost is big.Effectively reduce floor
Floor height, solves directly to be erected on beam structure when double T floors are assembled so that floor structure is too high, causes space structure wave
The problem taken.Using double T floor constructions, the structural strength of large span floor can be met.Assembled integral in the present invention in advance should
The double T floor frame structures of power, the characteristics of with floor floor height is reduced, and meet the Structural strength calls of large span, the construction period
It is short.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this
The scope that invention will be defined using appended claims is used as protection scope of the present invention.
Claims (9)
1. double T floor frame structures of a kind of assembled integral prestressing force, it is characterised in that including：
Column member, branch is on the column member of supporting surface or next floor；
The beam member and rail members being erected on the column member, the beam member and the rail members and institute
State and be connected at the top of column member, and form frame structure, the sidepiece of the rail members is provided with tenon along its length；
It is layed in the double T floors on two relative rail members, including floorboard and is vertical at the floorboard
Two flange plates of bottom, the end of the flange plate is formed with the groove for being adapted to the tenon, and the flange plate is by described
Groove is erected on the tenon of the rail members；
Wherein：The rail members are L-shaped structure, including beam base plate and are vertical at the beam wing plate of described beam base plate one end, institute
The other end for stating beam base plate forms the tenon, and the groove on the flange plate is erected on the tenon, and the flange plate
End fit in the beam wing plate.
2. double T floor frame structures of assembled integral prestressing force as claimed in claim 1, it is characterised in that also including connection
Adjacent two additional bars of described pair of T floor and pour on the described pair of floorboard of T floors of same floor
Overlapping layers, the additional bar is along two adjacent piece interval settings of described pair of T floor.
3. double T floor frame structures of assembled integral prestressing force as claimed in claim 2, it is characterised in that the floorboard
The position of the sidepiece correspondence additional bar be provided with chamfering structure.
4. double T floor frame structures of a kind of assembled integral prestressing force, it is characterised in that including：
Column member, branch is on the column member of supporting surface or next floor；
The beam member and rail members being erected on the column member, the beam member and the rail members and institute
State and be connected at the top of column member, and form frame structure, the sidepiece of the rail members is provided with tenon along its length；
It is layed in the double T floors on two relative rail members, including floorboard and is vertical at the floorboard
Two flange plates of bottom, the end of the flange plate is formed with the groove for being adapted to the tenon, and the flange plate is by described
Groove is erected on the tenon of the rail members；
Wherein：The rail members are T-shaped structure, including beam base plate and the beam wing plate that is vertical in the middle part of the beam base plate, institute
The both ends for stating beam base plate form the tenon respectively, and the groove on the flange plate is erected on the corresponding tenon, and
The end of the flange plate fits in the beam wing plate.
5. the construction method of the double T floor frame structures of a kind of assembled integral prestressing force, it is characterised in that including：
Column member, beam member and rail members are provided, the sidepiece of the rail members is provided with tenon along its length；
By column member compartment of terrain branch on the supporting surface, set up on the column member beam member and
The rail members, form frame structure；
Column member, beam member and the rail members of a upper floor are set up on the frame structure, multilayer is formed
Frame structure；
Double T floors are provided, described pair of T floor includes floorboard and be vertical at two flange plates of the floorboard bottom, institute
The end for stating flange plate is formed with the groove for being adapted to the tenon, described pair of T floor is erected on by the groove described vertical
On the tenon of beam so that described pair of T floor is layed between two relative rail members.
6. the construction method of the double T floor frame structures of assembled integral prestressing force as claimed in claim 5, it is characterised in that
Also include：
At two adjacent described pair of T floors set additional bar, by the additional bar respectively with described in adjacent two
Double T floors are connected；
By the additional bar along two adjacent piece interval settings of described pair of T floor；
Overlapping layers is formed in the casting concrete on the described pair of floorboard of T floors of same floor.
7. the construction method of the double T floor frame structures of assembled integral prestressing force as claimed in claim 6, it is characterised in that
The position of the sidepiece correspondence additional bar of the floorboard is provided with chamfering structure.
8. the construction method of the double T floor frame structures of assembled integral prestressing force as claimed in claim 7, it is characterised in that
The rail members are L-shaped structure, including beam base plate and are vertical at the beam wing plate of described beam base plate one end, the beam base plate
The other end forms the tenon, and the groove on the flange plate is erected on the tenon, and the end of the flange plate is fitted
In the beam wing plate.
9. the construction method of the double T floor frame structures of assembled integral prestressing force as claimed in claim 7, it is characterised in that
The rail members are T-shaped structure, including beam base plate and the beam wing plate that is vertical in the middle part of the beam base plate, the beam base plate
Both ends form the tenon respectively, and the groove on the flange plate is erected on the corresponding tenon, and the flange plate
End fit in the beam wing plate.
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| CN201510163687.5A CN104763085B (en) | 2015-04-08 | 2015-04-08 | The double T floor frames structures of assembled integral prestressing force and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106930456A (en) * | 2017-03-28 | 2017-07-07 | 扬州大学 | A kind of assembled wood bamboo lightweight aggregate reinforced concrete combination floor |
| CN109025288B (en) * | 2018-07-23 | 2020-11-03 | 浙江正立高科建设有限公司 | Construction method of prestressed concrete double-T plate |
| CN111411778B (en) * | 2019-01-04 | 2022-06-21 | 润弘精密工程事业股份有限公司 | Method for constructing building structure of multi-storey building |
| CN112391931A (en) * | 2020-10-30 | 2021-02-23 | 山东高速城投绕城高速公路有限公司 | Assembly type continuous T-beam bridge splicing section adopting UHPC shear keys and construction method |
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| GB2420129A (en) * | 2004-09-16 | 2006-05-17 | Forest Garden Plc | Modular decking |
| CN103046766A (en) * | 2013-01-14 | 2013-04-17 | 北京筑福建设工程有限责任公司 | Method for lengthening columns, adding beams, resisting earthquakes and reinforcing for bottom frame structure |
| CN103039301A (en) * | 2012-12-31 | 2013-04-17 | 厦门农丰园大棚开发有限公司 | Agricultural greenhouse frame structure and connecting devices thereof |
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| CN1164881A (en) * | 1995-09-05 | 1997-11-12 | 贾米·恩里克·希门尼斯·桑切斯 | Reinforced or prestressed semi-precast concrete structure for building |
| GB2420129A (en) * | 2004-09-16 | 2006-05-17 | Forest Garden Plc | Modular decking |
| CN103039301A (en) * | 2012-12-31 | 2013-04-17 | 厦门农丰园大棚开发有限公司 | Agricultural greenhouse frame structure and connecting devices thereof |
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