CN106639093A - Close splicing seam-type laminated slab - Google Patents
Close splicing seam-type laminated slab Download PDFInfo
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- CN106639093A CN106639093A CN201710030187.3A CN201710030187A CN106639093A CN 106639093 A CN106639093 A CN 106639093A CN 201710030187 A CN201710030187 A CN 201710030187A CN 106639093 A CN106639093 A CN 106639093A
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- prefabricated
- prefabricated panel
- slab
- plate bottom
- seam
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Provided is a close splicing seam-type laminated slab, pertaining to the technical field of building concrete members. The slab comprises two prefabricated bottom slabs, a cast-in-place floor slab, slab top stressed bars, an additional continuous structural bar, truss bars, slab bottom stressed bars and slab bottom connecting vertical ribs at seams. The section of each prefabricated bottom slab is of an L-shaped structure with an open groove in one end. The two prefabricated bottom slabs are spliced symmetrically to form a structure with grooves. The slab bottom connecting vertical ribs at seams are arranged at the bottoms of the grooves. The slab bottom stressed bars are pre-arranged at the positions, close to bottoms of open grooves, in the prefabricated bottom slabs. The grooves formed by the position above the prefabricated bottom slabs and the two prefabricated bottom slabs are poured with concrete so that the laminated slab is formed. The close splicing seam-type laminated slab has following beneficial effects: the slab thickness of the overall laminated slab is reduced; while reducing production cost, self weight of the floorslab is reduced and safe reliability of a building is improved.
Description
Technical field
The invention belongs to building concrete member technical field, more particularly to a kind of close splicing seam superimposed sheet, are suitable for
The bidirectional laminated slab monoblock type connection in building industrialization, prefabricated concrete component.
Background technology
At present the interconnection technique of two-way laminated floor slab is divided into two kinds in domestic prefabricated xoncrete structure：Post-cast strip
Form seam (as shown in Figure 1, Figure 2, Figure 3, Figure 4) and close splicing seams (as shown in Figure 5).
First, post-cast strip form seam shortcoming：
(1) preform production link
1. need reserved connection reinforcing bar in Workshop Production, template needs reserving hole, therefore can produce one aborning
The problem of series, such as template cause template to be easily deformed recycling rate of waterused reduction because the presence rigidity of hole diminishes；2. hole
Can be changed according to the position of different floor reserved steel bars so this mould can only be used in a limited number of piece of floor, this
The repeat usage for causing mould is substantially reduced；3. easily there is spillage phenomenon at hole during casting concrete, increase the later stage
Processing cost.
(2) in-site installation link
1. at the construction field (site) overlap joint needs template, constructs not easy；Need to consider that precast floor slab is reserved when 2. being installed
Reinforcing bar collision problem；3. the coagulation of microdilatancy is needed more than or equal to former concrete strength and preferably adopted during the casting concrete of post-cast strip
Soil, if the interface with prefabricated concrete is poured after due to the creep and shrinkage of concrete in the later stage using common concrete
Place easily produces elongated crackle, affects structural safety reliability.
2nd, close splicing seams shortcoming：
This connected mode is relatively adapted to assembling relative to post-cast strip form seam, joint treatment without the need for more tedious steps
The characteristics of formula xoncrete structure, but traditional piece still has limitation, i.e., in floor level, the normal direction vertical with floor piece
In plane, do not consider to transmit horizontal loading in piece altitude range, therefore caused consequence is exactly to need to increase floor slab back casting
The thickness of concrete to ensure the necessary floor effective depth of edge joint position, so as to cause the lifting of overall slab thickness.
In sum, there is to some extent the drawbacks of increasing construction cost, waste of resource in both the above connected mode,
Meanwhile, still there are a variety of unreasonable parts in terms of the PROCESS FOR TREATMENT of component production and in-site installation link.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of close splicing seam superimposed sheet, is based on two-way overlapping
The modified floor connected mode proposed on the basis of floor sealing splicing form, is thinned the thickness of slab of overall superimposed sheet,
While reducing production cost, alleviate floor deadweight, increased the security reliability of building.
The purpose of the present invention is achieved through the following technical solutions：
The present invention devises three kinds of technical schemes：
Scheme one：A kind of close splicing seam superimposed sheet, including it is two prefabricated panels, cast-in-situ floor, top of the plate principal rod, additional logical
Long construction muscle, truss bars, plate bottom principal rod and seam crossing plate bottom connection lengthwise rib, the prefabricated panel section is L-type structure, i.e.,
One end carries open slot, and two prefabricated panels are formed with reeded structure, the seam crossing plate bottom connection lengthwise rib after symmetrically splicing
Be arranged on the bottom portion of groove, open slot bottom pressed close in prefabricated panel and presets plate bottom principal rod, above prefabricated panel and
Casting concrete in the groove that two prefabricated panels are formed, forms superimposed sheet.
Scheme two：A kind of close splicing seam superimposed sheet, including two prefabricated panels, cast-in-situ floor, top of the plate principal rod, Truss Steel
Muscle, plate bottom principal rod and seam crossing plate bottom connection lengthwise rib, the section is that L-type structure, i.e. one end carry open slot, two prefabricated bottoms
Plate is formed with reeded structure after symmetrically splicing, and the open slot of two prefabricated panels is provided with tie hoop, institute when being in prefabricated
The open slot groove bottom that prefabricated panel is exposed in tie hoop part is stated, seam crossing plate bottom connection lengthwise rib is placed in tie hoop, it is existing
Field casting concrete floor, forms superimposed sheet.
Scheme three：A kind of close splicing seam superimposed sheet, including two prefabricated panels, cast-in-situ floor, top of the plate principal rod, Truss Steel
Multiple grooves are reserved in muscle, plate bottom principal rod and seam crossing plate bottom connection lengthwise rib, described prefabricated panel one end, reserve in groove and arrange
Tie hoop, two prefabricated panels are arranged on the spiral shell with the relative splicing in tie hoop end, the seam crossing plate bottom connection lengthwise rib
Rotation stirrup in be located at bottom portion of groove, groove-bottom is pressed close in prefabricated panel and presets plate bottom principal rod, above prefabricated panel and
Casting concrete in the groove of two prefabricated panels, forms superimposed sheet.
Further, the reserved groove of two prefabricated panel is dovetail groove, and length is not along tie hoop axis direction
Deng, reserved groove length and the spiral hoop steel length at side prefabricated panel end is adapted, opposite side prefabricated panel end it is reserved
Groove length is more than tie hoop length in the axial direction.
Further, reserving gaps width L is less than 5mm between when the two precast concretes base plate splices.
Further, the concrete thickness H of the precast concrete baseplate reinforcing bar lap-joint is 30～50mm.
Further, when mounted hole is corresponding for the tie hoop of two prefabricated panel.
Further, lap of splice l of the seam crossing plate bottom connection lengthwise ribl=la～1.6la, la are the anchoring of reinforcing bar
Length.
Beneficial effects of the present invention are：
1. relative to post-cast strip form seam, the advantage of present invention contiguity piece：Template is existing without the need for reserving hole during production
Install when without post-cast strip, therefore background narration in post-cast strip form seam shortcoming in connection of the present invention
Can avoid in mode, and substantially increase labor productivity, reduce production installation cost.
2. relative to traditional close splicing seams form seam, using the close splicing seam superimposed sheet advantage of Spiral Reinforcement Binding Course：Subtract
The height of little edge joint position is so as in the case where slab thickness is certain, this connected mode is capable of effective height of relative increase floor
Degree, therefore the shortcoming of traditional close splicing seams form seam can in connected mode of the present invention in background narration
Avoid, reduce the gross thickness of floor, so as to bring a series of economic benefit with environmental protection benefit simultaneously because concrete
The reduction of consumption has been reduced to the deadweight built, so as to increased the security reliability of building.
Description of the drawings
Fig. 1-Fig. 4 is form seam schematic diagram in post-cast strip of the prior art.
Fig. 5 is close splicing seams schematic diagram of the prior art.
Fig. 6 is the structural representation of the embodiment of the present invention 1.
Fig. 7 is the A-A sectional views of Fig. 6.
Fig. 8 is the structural representation of the embodiment of the present invention 2.
Fig. 9 is the B-B sectional views of Fig. 8 in the embodiment of the present invention 3.
In figure：1. prefabricated panel I, 2. prefabricated panel II, 3. seam crossing plate bottom connection lengthwise rib, 4. tie hoop, 5. plate bottom
Principal rod, 6. top of the plate principal rod, 7. groove, 8. after pouring concrete, 9. truss bars, 10. adds elongated construction muscle.
Specific embodiment
Describe the present invention with reference to the accompanying drawings and examples.
Embodiment 1：As shown in Figure 6, Figure 7, it is a kind of close splicing seam superimposed sheet of the present invention, including two prefabricated panels, cast-in-place
Floor, top of the plate principal rod 6, additional elongated construction muscle 10, truss bars 9, plate bottom principal rod 5 and seam crossing plate bottom connection lengthwise rib 3,
The prefabricated panel section is that L-type structure, i.e. one end carry open slot, and two prefabricated panels are formed with fluted 7 after symmetrically splicing
Structure, the seam crossing plate bottom connection lengthwise rib 3 is arranged on the bottom of the groove 7, open slot bottom pressed close in prefabricated panel pre-
Plate bottom principal rod 5 is equipped with, casting concrete above prefabricated panel and in the groove 7 of two prefabricated panels formation forms superimposed sheet.
Two prefabricated panel is respectively prefabricated panel I 1 and prefabricated panel II2.
As shown in Figure 6, Figure 7, described seam crossing plate bottom connection lengthwise rib 3 can adopt welded reinforcement with elongated distributing bar 10
Installed according to the required direct cutting of size when mesh sheet is installed at the scene, improve and speed is installed.Between described prefabricated panel
Piece can according to during actual production error range control piece distance, two precast concrete base plates splice when between preset slot
Gap width L is less than 5mm.Optimal state is the adjacent assembly of two pieces of base plates.The precast concrete baseplate reinforcing bar lap-joint is mixed
Solidifying soil thickness H is 30～50mm.When mounted hole is corresponding for the tie hoop 4 of two prefabricated panel.The seam crossing plate
Lap of splice l of bottom connection lengthwise rib 3l=1.6la, la are the anchorage length of reinforcing bar.
Present configuration is divided into two parts, prefabrication part and joint connection in site part.
Prefabrication part：First in the floor mold being completed, the colligation of plate bottom principal rod 5 is completed；Then spread
If girder rib 9, then casting concrete, conserves shaping, and prefabricated panel I 1 and prefabricated panel II2 are completed.
In-site installation part：Prefabricated panel I 1 and prefabricated panel II2 parts lift it is in place after, laying seam crossing plate bottom connects
Vertical muscle 3 and additional elongated distributing bar 10 are connect, top of the plate steel bar stress 5 is then laid, after reinforcing bar colligation is finished, coagulation is poured after pouring
Native 8 parts, rear pouring concrete 8 just completes the connection of laminated floor slab after the completion of conserving.
Embodiment 2：As shown in figure 8, this example is as different from Example 1：The scheme that this example is adopted is as follows：It is prefabricated including two
Base plate, cast-in-situ floor, top of the plate principal rod 6, truss bars 9, plate bottom principal rod 5 and seam crossing plate bottom connection lengthwise rib 3, the section
Open slot is carried for L-type structure, i.e. one end, two prefabricated panels form the structure with fluted 7, two prefabricated panels after symmetrically splicing
Open slot be provided with tie hoop 4 when being in prefabricated, the open slot bottom land of prefabricated panel is exposed in the part of the tie hoop 4
Face, seam crossing plate bottom connection lengthwise rib 3 is placed in tie hoop 7, poured in place concrete floor, forms superimposed sheet.
Reserving gaps width L is less than 5mm between when the two precast concretes base plate splices.The precast concrete base plate
Concrete thickness H at bar splicing is 30～50mm.When mounted hole is relative for the tie hoop 4 of two prefabricated panel
Should.Lap of splice l of the seam crossing plate bottom connection lengthwise rib 3l=la, la for reinforcing bar anchorage length, traditional lap of splice ll
=1.6la.
The present invention is as described below using the close splicing seam superimposed sheet specific practice of Spiral Reinforcement Binding Course：
Prefabrication part：When producing precast concrete base plate in workshop, it then follows following steps, assembly jig → brushing
Releasing agent → assembling reinforcement mesh sheet → arrangement tie hoop → arrangement built-in fitting → casting concrete → maintenance shaping → lifting fortune
It is defeated.Specially：First in the floor mold being completed, the colligation of plate bottom principal rod 5 is completed, while by the cloth of tie hoop 4
Put and complete；Then girder rib 9 is laid, then casting concrete, maintenance is molded, and prefabricated panel I 1 and prefabricated panel II2 are completed.
Specifically operation is arrangement tie hoop 4：The principal rod for needing connection is stretched while principal rod 5 of colligation bottom
Enter in tie hoop 4 and the position as shown in Fig. 8 with Fig. 9 carries out colligation and fixes, when concrete is poured into a mould by outside the part of tie hoop 4
Dew, leaves enough space placement member connection seam crossing plate bottom connection lengthwise ribs 3.
In-site installation part：As shown in figure 8, prefabricated panel I 1 and prefabricated panel II2 part lift it is in place after, wherein in advance
Reserving gaps width can ensure two prefabricated bottoms according to the quality of production of itself and precision between base plate processed I 1 and prefabricated panel II2
The assembly of plate is completed, but should be less than 5mm, and the hole of tie hoop 4 of prefabricated panel I 1 and prefabricated panel II2 should be aligned during installation,
Then seam crossing plate bottom connection lengthwise rib 3 is placed through into one end of prefabricated panel II2 to penetrate in the hole of tie hoop 4, while
Penetrate in the hole of tie hoop 4 of prefabricated panel II2, reserved length of the seam crossing plate bottom connection lengthwise rib 3 in two pieces of prefabricated panels
Degree, should meet the requirement of the lap of splice, as a result of tie hoop 4, therefore be contemplated that according to contracting on the basis of code requirement
Subtract the lap of splice of reinforcing bar, after the completion of seam crossing plate bottom connection lengthwise rib 3 is arranged, you can pouring concrete 8 after cast overlapping layers, reach
Just the splicing of laminated floor slab is completed after intensity.
As shown in figure 8, described seam crossing plate bottom connection lengthwise rib 3 can pass through tie hoop 4 to shorten taking between reinforcing bar
Spreading degree, the production at convenient scene is installed, while can also increase the toughness at reserved groove 7, more preferably prevents concrete in maintenance
During or hoisting transportation and production installation process in produce crack.
Embodiment 3：A kind of close splicing seam superimposed sheet, including two prefabricated panels, cast-in-situ floor, top of the plate principal rod 6, truss
Reinforcing bar 9, plate bottom principal rod 5 and seam crossing plate bottom connection lengthwise rib 3, multiple grooves 7 are reserved in described prefabricated panel one end, reserve groove
Tie hoop 4 is set in 7, and two prefabricated panels set with the relative splicing in the end of tie hoop 4, the seam crossing plate bottom connection lengthwise rib 3
Put and the bottom of groove 7 is located in the tie hoop 4, the bottom of groove 4 is pressed close in prefabricated panel and presets plate bottom principal rod 5,
After-pouring concrete eight is poured in the groove 7 of prefabricated panel top and two prefabricated panels, superimposed sheet is formed.
To increase overlapping panel stiffness, the prefabricated panel after seam and cast-in-situ floor is set closely to connect, it is not easy to crack, described two
The reserved groove 7 of prefabricated panel be dovetail groove, the length along the axis direction of tie hoop 4, at side prefabricated panel end
The length of reserved groove 7 is adapted with the length of tie hoop 4, and the length of reserved groove 7 at opposite side prefabricated panel end is more than spiral hoop
The length in the axial direction of muscle 4, for convenience of placement seam crossing plate bottom connection lengthwise rib 3.
Reserving gaps width L is less than 5mm between when the two precast concretes base plate splices.The precast concrete base plate
Concrete thickness H at bar splicing is 30～50mm.When mounted hole is relative for the tie hoop 4 of two prefabricated panel
Should.Lap of splice l of the seam crossing plate bottom connection lengthwise rib 3l=la, la are the anchorage length of reinforcing bar.
Prefabrication and site operation installation method are same as Example 2.
The present invention is that the modified floor connection side proposed on the basis of splicing form is sealed based on two-way laminated floor slab
Formula.Laminated floor slab thickness pours lamination portion sum for pre-erection with after.The splicing of two blocks of precast floor slabs, due to depositing for piece
, do not consider to transmit horizontal loading in piece altitude range, therefore, it is the bearing capacity for ensureing edge joint position floor, certainly will increase
The amount of redundancy of floor other positions bearing capacity, so as to increased cost.The present invention is with accompanying drawing 1 to the tradition embodied in Fig. 5 even
The mode of connecing is compared, and reduces the thickness of seam crossing pre-erection, is designed to ensure edge joint position section bearing capacity so as to reduce
After pour the thickness of overlapping layers, and then be thinned the thickness of slab of overall superimposed sheet, while production cost is reduced, alleviate floor
Deadweight, the security reliability that increased building.
The present invention effectively reduces architecture production installation cost not reduce between prefabricated components premised on connection reliability,
And the convenience that assembled in situ is constructed is taken into account, practical application well can be obtained in engineering.In particular it is traditional pre-
Concrete bottom plate thickness processed is usually 60mm, when close splicing seams are adopted because the thickness for needing to increase floor slab back casting concrete is with full
The effective depth of sufficient floor, and cause the concrete of pre-erection completely to utilize the waste so as to result in resource and increase
Building body deadweight, when the close splicing seams using Spiral Reinforcement Binding Course, can by the concrete of precast concrete baseplate reinforcing bar lap-joint
Thickness is prefabricated into 40mm, therefore whole floor then increases in the effective depth of edge joint position for traditional close splicing seams
The effective depth of 20mm, thus floor overlapping in-situ layer thickness for traditional close splicing seams form, knot
20mm can be reduced on structure force design, therefore larger economic benefit can be brought while economizing on resources, simultaneously because spiral
Stirrup acts on the cracking that more preferable confined concrete is capable of in seam lap-joint, obtains preferably structural behaviour.
Claims (8)
1. a kind of close splicing seam superimposed sheet, including two prefabricated panels, cast-in-situ floor, top of the plate principal rod, additional elongated construction muscle,
Truss bars, plate bottom principal rod and seam crossing plate bottom connection lengthwise rib, it is characterised in that：The prefabricated panel section is L-type structure,
I.e. one end carries open slot, and two prefabricated panels are formed with reeded structure after symmetrically splicing, and the seam crossing plate bottom connection is vertical
Muscle is arranged on the bottom portion of groove, open slot bottom is pressed close in prefabricated panel and presets plate bottom principal rod, above prefabricated panel
And two prefabricated panel formed groove in casting concrete, formed superimposed sheet.
2. a kind of close splicing seam superimposed sheet, including two prefabricated panels, cast-in-situ floor, top of the plate principal rod, truss bars, plate bottom are received
Power muscle and seam crossing plate bottom connection lengthwise rib, it is characterised in that：The section is that L-type structure, i.e. one end carry open slot, and two is prefabricated
Formed with reeded structure after bottom board symmetry splicing, the open slot of two prefabricated panels is provided with tie hoop when being in prefabricated,
The open slot groove bottom of prefabricated panel is exposed in the tie hoop part, and seam crossing plate bottom connection lengthwise rib is placed in tie hoop,
Poured in place concrete floor, forms superimposed sheet.
3. a kind of close splicing seam superimposed sheet, including two prefabricated panels, cast-in-situ floor, top of the plate principal rod, truss bars, plate bottom are received
Power muscle and seam crossing plate bottom connection lengthwise rib, it is characterised in that：Multiple grooves are reserved in described prefabricated panel one end, set in reserved groove
Tie hoop is put, with the relative splicing in tie hoop end, the seam crossing plate bottom connection lengthwise rib is arranged on described two prefabricated panels
Bottom portion of groove is located in tie hoop, groove-bottom is pressed close in prefabricated panel and is preset plate bottom principal rod, above prefabricated panel
And two prefabricated panel groove in casting concrete, formed superimposed sheet.
It is 4. close according to claim 3 to splice seam superimposed sheet, it is characterised in that：The reserved groove of two prefabricated panel is
Dovetail groove, the length along tie hoop axis direction, in the reserved groove length and tie hoop at side prefabricated panel end
Length is adapted, and the reserved groove length at opposite side prefabricated panel end is more than tie hoop length in the axial direction.
5. according to the arbitrary close splicing seam superimposed sheet of claim 1-3, it is characterised in that：The two precast concretes base plate
Reserving gaps width L is less than 5mm between during splicing.
6. according to the arbitrary close splicing seam superimposed sheet of claim 1-3, it is characterised in that：The precast concrete Bottom Board Steel
The concrete thickness H of muscle lap-joint is 30～50mm.
7. according to the arbitrary close splicing seam superimposed sheet of claim 1-3, it is characterised in that：The spiral of two prefabricated panel
When mounted hole is corresponding for stirrup.
8. according to the arbitrary close splicing seam superimposed sheet of claim 1-3, it is characterised in that：The seam crossing plate bottom connection is vertical
Lap of splice l of musclel=la～1.6la, la are the anchorage length of reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030187.3A CN106639093A (en) | 2017-01-17 | 2017-01-17 | Close splicing seam-type laminated slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030187.3A CN106639093A (en) | 2017-01-17 | 2017-01-17 | Close splicing seam-type laminated slab |
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| Publication Number | Publication Date |
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| CN106639093A true CN106639093A (en) | 2017-05-10 |
Family
ID=58841735
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710030187.3A Withdrawn CN106639093A (en) | 2017-01-17 | 2017-01-17 | Close splicing seam-type laminated slab |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386508A (en) * | 2017-07-01 | 2017-11-24 | 清华大学 | The prefabricated board piece connecting structure and construction method of a kind of two-way concrete folding plate |
| CN107761557A (en) * | 2017-09-27 | 2018-03-06 | 清华大学 | A kind of precast concrete T-beam lateral connection piece construction and construction method |
| CN107905426A (en) * | 2017-11-24 | 2018-04-13 | 中民筑友科技投资有限公司 | A kind of building method of bidirectional hollow laminated floor slab |
| CN108316533A (en) * | 2018-03-23 | 2018-07-24 | 江苏东尚住宅工业有限公司 | Bidirectional laminated slab and prestressed concrete prefabricated component and making and construction method |
| CN108442596A (en) * | 2018-04-20 | 2018-08-24 | 中交第二公路勘察设计研究院有限公司 | The wet seam steel bar connecting structure of precast concrete beam |
| CN108560795A (en) * | 2018-03-14 | 2018-09-21 | 沈阳建筑大学 | A kind of light steel of assembled-foam concrete composite floor and its construction method |
| CN109057119A (en) * | 2018-06-26 | 2018-12-21 | 华东建筑设计研究院有限公司 | A kind of assembly concrete laminated floor slab connection structure |
| CN109723176A (en) * | 2018-12-19 | 2019-05-07 | 济南大学 | The large-span prestressed more piece truss bars superimposed sheets of one kind and construction method |
| CN110258907A (en) * | 2019-05-15 | 2019-09-20 | 悉地（北京）国际建筑设计顾问有限公司 | A kind of prefabricated board and production method, laminated floor slab and production method |
| CN110863597A (en) * | 2019-11-14 | 2020-03-06 | 中国二十冶集团有限公司 | Prefabricated floor slab crack prevention and repair method for assembly type steel frame laminated slab factory building |
| CN111155691A (en) * | 2019-10-23 | 2020-05-15 | 南京建工集团有限公司 | Close-joint seam type concrete/ECC combined composite slab and construction method thereof |
| CN112177220A (en) * | 2020-09-28 | 2021-01-05 | 威海玉全新型建筑材料股份有限公司 | Energy-conserving stable form superimposed sheet |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386508A (en) * | 2017-07-01 | 2017-11-24 | 清华大学 | The prefabricated board piece connecting structure and construction method of a kind of two-way concrete folding plate |
| CN107761557A (en) * | 2017-09-27 | 2018-03-06 | 清华大学 | A kind of precast concrete T-beam lateral connection piece construction and construction method |
| CN107905426A (en) * | 2017-11-24 | 2018-04-13 | 中民筑友科技投资有限公司 | A kind of building method of bidirectional hollow laminated floor slab |
| CN108560795A (en) * | 2018-03-14 | 2018-09-21 | 沈阳建筑大学 | A kind of light steel of assembled-foam concrete composite floor and its construction method |
| CN108316533A (en) * | 2018-03-23 | 2018-07-24 | 江苏东尚住宅工业有限公司 | Bidirectional laminated slab and prestressed concrete prefabricated component and making and construction method |
| CN108442596B (en) * | 2018-04-20 | 2024-04-16 | 中交第二公路勘察设计研究院有限公司 | Wet joint steel bar connection structure of precast concrete beam |
| CN108442596A (en) * | 2018-04-20 | 2018-08-24 | 中交第二公路勘察设计研究院有限公司 | The wet seam steel bar connecting structure of precast concrete beam |
| CN109057119A (en) * | 2018-06-26 | 2018-12-21 | 华东建筑设计研究院有限公司 | A kind of assembly concrete laminated floor slab connection structure |
| CN109057119B (en) * | 2018-06-26 | 2024-05-24 | 华东建筑设计研究院有限公司 | Assembled concrete coincide floor connection structure |
| CN109723176A (en) * | 2018-12-19 | 2019-05-07 | 济南大学 | The large-span prestressed more piece truss bars superimposed sheets of one kind and construction method |
| CN110258907A (en) * | 2019-05-15 | 2019-09-20 | 悉地（北京）国际建筑设计顾问有限公司 | A kind of prefabricated board and production method, laminated floor slab and production method |
| CN111155691A (en) * | 2019-10-23 | 2020-05-15 | 南京建工集团有限公司 | Close-joint seam type concrete/ECC combined composite slab and construction method thereof |
| CN110863597A (en) * | 2019-11-14 | 2020-03-06 | 中国二十冶集团有限公司 | Prefabricated floor slab crack prevention and repair method for assembly type steel frame laminated slab factory building |
| CN112177220A (en) * | 2020-09-28 | 2021-01-05 | 威海玉全新型建筑材料股份有限公司 | Energy-conserving stable form superimposed sheet |
| CN112177220B (en) * | 2020-09-28 | 2022-03-08 | 威海玉全新型建筑材料股份有限公司 | Energy-conserving stable form superimposed sheet |
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