CN107327065A - The hollow groined slab floor frame structure seat of large span assembled integral and preparation method - Google Patents
The hollow groined slab floor frame structure seat of large span assembled integral and preparation method Download PDFInfo
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- CN107327065A CN107327065A CN201710547818.9A CN201710547818A CN107327065A CN 107327065 A CN107327065 A CN 107327065A CN 201710547818 A CN201710547818 A CN 201710547818A CN 107327065 A CN107327065 A CN 107327065A
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- prefabricated
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- roof beam
- steel bar
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Set a roof beam in place and the hollow groined slab floor prefabricated board of large span the invention discloses a kind of hollow groined slab floor frame structure of large span assembled integral, including prefabricated frame trestle, prefabricated frame；Prefabricated frame trestle is set a roof beam in place with prefabricated frame to be connected, and is connected with each other between the hollow groined slab floor prefabricated board of large span and is set a roof beam in place and be connected with prefabricated frame；It is precast concrete with upper member, and each prefabricated component is connected using poured in place concrete mode；The component is encrypted in the stirrup near connection contact surface, and its beneficial effect brought is to strengthen the globality and anti-seismic performance of prefabricated components connecting node.It is an advantage of the invention that：The problems such as existing assembling frame structure node poor seismic behavior, span are small, superstructure thickness is big, cast-in-place workload is big is solved, simplifies construction method, the artificial amount in reduction scene shortens the duration, reduces cost.
Description
Technical field
The present invention relates to a kind of construction servicing unit and preparation method thereof, assemble whole more particularly, to a kind of large span
The hollow groined slab floor frame structure seat of body formula and preparation method.
Background technology
Current more and more assembled monolithic concrete structure systems used combine cast-in-place structural overall performance it is good with
Fabricated construction field operation is simple, the advantage of good economy performance.But existing assembled integral concrete floor system span is small, nothing
Method meets large bay requirement.Superstructure thickness is big and the out-of-flatness of superstructure bottom lifts roof, it is necessary to which owner's later stage fits up, and then enters one
Step reduces floor height.Superstructure is mostly solid simultaneously, from great, it is necessary to be separately provided equipment sheaf space, influences interior net storey height.Prefabricated structure
Part connecting node is more, construction method is cumbersome, and field operation amount is big, therefore to solve problem above, set forth herein a kind of new assembling
Integral frame structure.
The content of the invention
The present invention is directed to the deficiency of existing product, and provides a kind of large span assembled integral hollow groined slab floor framework knot
Structure and preparation method, solve existing assembling frame structure node poor seismic behavior, span is small, superstructure thickness is big, cast-in-place operation
The problems such as measuring big, simplifies construction method, and the artificial amount in reduction scene shortens the duration, reduces cost.Conventional superposed floor is solved to show
Casting concrete amount is big, single load bearing poor performance, superstructure from it is great the problems such as, and post column connected node also serves as beam column section
Point, sets a roof beam in place lamination portion by cast in situs prefabricated board piece, prefabricated frame and bean column node disposably forms frame structure, construct
Convenient, quick, structure integrated connection property is strong.
A kind of hollow groined slab floor frame structure of large span assembled integral of the present invention, including it is prefabricated frame trestle, prefabricated
Vierendeel girder and the hollow groined slab floor prefabricated board of large span；Prefabricated frame trestle is set a roof beam in place with prefabricated frame to be connected, large span hollow well word building
It is connected with each other and is set a roof beam in place with prefabricated frame between lid prefabricated board and is connected；It is precast concrete with upper member, and using existing
Field casting concrete mode connects each prefabricated component；The component is encrypted in the stirrup near connection contact surface, its
The beneficial effect brought is to strengthen the globality and anti-seismic performance of prefabricated components connecting node；
Prefabricated frame trestle individual layer is connected, and link position is at story height, the cast-in-place concrete at connecting node；Prefabricated frame is set a roof beam in place
Two ends are connected with prefabricated frame trestle side, and precast frame column connected node enhances framework knot simultaneously as beam-column connection
The overall performance of structure；The hollow groined slab floor prefabricated board of large span is erected on supporting surface, is set a roof beam in place both sides or side positioned at prefabricated frame,
Connected between prefabricated board by cast-in-place concrete piece, the technology saves a large amount of cast-in-place concrete workloads；
Prefabricated frame trestle has reserved steel bar stretching in top surface, bottom surface, and reserved steel bar extension meets corresponding connecting length requirement；
Muscle is overhanging to be formed by being indulged in frame column for top surface and the reserved steel bar of bottom surface；
Prefabricated frame is set a roof beam in place as groove profile composite beam, and the cast-in-place Partial Height in top is identical with slab thickness, and bottom stress indulges muscle and stirrup
In prefabricated frame is set a roof beam in place, and colligation is on stirrup when then being assembled for the later stage for top frame force rib, and prefabricated frame two ends of setting a roof beam in place are extended with
Reserved steel bar is used to anchor into frame column, and reserved steel bar extension meets anchorage length requirement；
For further increase superstructure span, reduction superstructure height reduces live superstructure concreting workload, using large span
Hollow groined slab floor prefabricated board, it has smooth top surface, bottom surface, in length and breadth two-way well word girt strip, Yi Jiding, bottom surface and girt strip
Between the foamed concrete block filled of hollow position, top, configure equidirectional in bi-directional pressured plate muscle, top plate and bottom plate in bottom surface
Plate muscle need to stagger certain distance such as 1-5cm, with avoid reinforcing bar when different prefabricated boards are lifted collide and be not easy to it is in place；It is described
The overhanging reserved steel bar of prefabricated board surrounding, including plate muscle indulge the reserved steel bar of muscle with girt strip, for being connected with contiguous prefabricated component,
As anchored in precast frame side bar or being connected with neighbouring prefabricated board reserved steel bar, reserved steel bar extension meets anchoring length
Degree or connecting length requirement；
To further enhance the connection that muscle is indulged between the globality connected between each prefabricated component, prefabricated frame trestle using welding
Or form of sleeve, the connection that the beam on alternate frames of the prefabricated board indulges muscle uses bi-directional pressured plate between Type of Welding, the prefabricated board
The connection of muscle uses colligation form；Each prefabricated component connection contact surface is configured to crude face or rebate, used in assembled in situ
Strength grade of concrete is not lower than prefabricated components concrete strength；
The hollow groined slab floor frame structure construction further improvements in methods of large span assembled integral of the present invention are, prefabricated frame
Vertical connecting node cast-in-place concrete at floor height position, node between trestle, the reserved steel bar of prefabricated frame trestle passes through set
Cylinder or welding manner connection；The horizontal connecting node that prefabricated frame trestle and prefabricated frame are set a roof beam in place is set a roof beam in place two ends positioned at prefabricated frame, in advance
Connecting node is simultaneously as beam-column connected node between frame column processed, and prefabricated frame reserved steel bar of setting a roof beam in place is anchored into connecting node；
Connected between prefabricated board by cast-in-place concrete piece, piece can be used in longitudinal and transverse two-way piece, the cast-in-place concrete piece
Comprising cast-in-place bottom plate, foamed concrete block, casting top slab and cast-in-place girt strip, foamed concrete block is used as top plate bed die and girt strip side
Preformed plate muscle uses overlap joint to connect between mould, contiguous prefabricated plate, and the reserved vertical muscle of girt strip, which is used, to be welded to connect；Pass through in-situ deposited prefabricated frame
Top concrete mode of setting a roof beam in place connects prefabricated board and prefabricated frame is set a roof beam in place, and prefabricated frame sets a roof beam in place left and right sides prefabricated board reserved steel bar even
Connection in node is connect, precast frame side bar side prefabricated board reserved steel bar is stretched into connecting node；The cast-in-place part of top-level boxes trestle
Highly it is half storey floor height, top layer prefabricated frame reserved steel bar of setting a roof beam in place is anchored into top layer cast in place frame post；
Highly steel is reserved to meet connecting node between the steel bar force transfer performance of each connecting node, prefabricated frame trestle not less than it
Cast-in-place concrete piece width between muscle connecting length, prefabricated board is not less than prefabricated board reserved steel bar connecting length；Prefabricated frame
The cast-in-place Partial Height in top of setting a roof beam in place is identical with prefabricated plate thickness.
It is by using the beneficial effectiveness of prefabricated components of the present invention：
The beneficial effects of the invention are as follows：（1）, girt strip and upper and lower plates pour and be integrated, superstructure good integrity, it is to avoid infiltration etc. is asked
Topic.（2）, the problem of efficiently solve small traditional assembled integral superstructure span, poor rigidity, many concrete amounts.（3）, it is each pre-
Element joints concrete amount processed is few, and template consumption is few, and prefabricated components form is few, and easy construction is economical and practical.（4）, assembling
Superstructure afterwards has the advantages that two-way power transmission, rigidity are big, shock resistance is good, deadweight is small, thickness is small；Frame structure after assembling has
Connecting node power transmission is good, the good advantage of structural integrity.
Brief description of the drawings
Fig. 1 is the schematic diagram of the hollow groined slab floor frame structure of large span assembled integral of the present invention；
Fig. 2 is the structural representation of the prefabricated frame trestle of the present invention；
The structural representation that Fig. 3 sets a roof beam in place for the prefabricated frame of the present invention；
Fig. 4 is the structural representation of the prefabricated frame frame plate of the present invention；
Fig. 5 is the connection diagram of prefabricated frame trestle-post-beam of the present invention；
Fig. 6 is the connection diagrammatic cross-section of prefabricated frame trestle-post-beam of the present invention；
The connection schematic perspective view that Fig. 7 sets a roof beam in place for the prefabricated board of the present invention with prefabricated frame；
The connection diagrammatic cross-section that Fig. 8 sets a roof beam in place for the prefabricated board of the present invention with prefabricated frame；
Fig. 9 is the connection signal profile between the prefabricated board of the present invention.
In figure：Prefabricated frame trestle 1, prefabricated frame are set a roof beam in place 2, prefabricated board 3, longitudinal and transverse two-way cast-in-place concrete piece 4, reserved steel
Muscle 5, reserved bottom reinforcement bars 6, top frame force rib 7, stirrup 8, preformed plate muscle 9, reserved girt strip indulge muscle 10, top plate 11, bottom plate 12, rib
Beam 13, filler foamed concrete block 14, template 15, bean column node concrete 16.
Embodiment
With reference to embodiment, the invention will be further described.
As shown in figure 1, the hollow groined slab floor frame structure seat of the large span assembled integral of the present invention includes precast frame
Post 1, prefabricated frame are set a roof beam in place 2 and prefabricated board 3, are connected between prefabricated board by longitudinal and transverse two-way cast-in-place concrete piece 4.
There is reserved steel bar 5 precast frame column top and bottom as shown in Figure 2, are that frame column indulges the overhanging formation of muscle, top surface
Crude face or concavo-convex tenon structure are made with bottom surface；
Precast frame beam section as shown in Figure 3 is U-shaped groove type, and there are reserved bottom reinforcement bars 6 and top frame force rib 7 in its both sides, prefabricated
Make crude face or concavo-convex tenon structure in pre-buried stirrup 8 in Vierendeel girder, beam two sides；
There are preformed plate muscle 9 and reserved girt strip to indulge muscle 10 in prefabricated board as shown in Figure 4, prefabricated board includes top plate 11, bottom plate 12, girt strip
13 and filler foamed concrete block 14, crude face or concavo-convex tenon structure are made in wherein prefabricated board contacts side surfaces face.
Connecting node is shared between prefabricated frame trestle as shown in Figure 5 and between beam column, while connection framework beam column
Last layer frame column is installed, prefabricated frame trestle reserved steel bar 5 is connected in node, the colligation of two top frame force rib of precast frame 7
In on stirrup 8, prefabricated frame reserved steel bar 6 and 7 of setting a roof beam in place is anchored into node afterwards, installs at node and prefabricated frame is set a roof beam in place top
Template at overlapping；
As shown in fig. 7, prefabricated board lifting and being fixed on prefabricated frame by support meanss and setting a roof beam in place side, prefabricated board bottom and precast frame
Back portion anchors into prefabricated frame with high, by the reserved steel bar 9 and 10 in prefabricated board and set a roof beam in place top lamination portion；As shown in figure 9, first will
Prefabricated board lifting is in place, and because there is reserved steel bar stretching in the top plate, bottom plate and girt strip of contiguous prefabricated plate, reinforcing bar is more easily to be touched
Hit, therefore the 1-5cm that the reserved steel bar in top plate and bottom plate can round about be staggered during design, by reserved steel bar in prefabricated board 9
Colligation overlaps and reserved girt strip is indulged into muscle 10 and welds, the supporting module 15 at plate bottom.Connected in each prefabricated components reserved steel bar
Into and formwork erection after the completion of, first pour piece inner bottom plating concrete between prefabricated board, afterwards place piece in foaming mix
Solidifying soil block, the foamed concrete block also serves as piece inside ceiling panel bed die and girt strip side form is used, it is last pour simultaneously piece inside ceiling panel,
Girt strip concrete, prefabricated frame are set a roof beam in place top lamination portion concrete and bean column node concrete 16, you can disposably complete flood
The assembling of framework, pours concrete strength used and is not less than concrete members intensity, should be in cast-in-place concrete when constructing in the winter time
Middle addition swelling agent.Support meanss and template can be removed after required value when cast-in-place concrete intensity reaches, continue fit on one
Prefabricated frame trestle, the Liang Heban of layer.The assembling of last layer of framework only needs to complete the connection that prefabricated frame is set a roof beam in place with post, prefabricated board with it is pre-
Connection between the connection of beam processed, prefabricated board.
The hollow groined slab floor frame structure construction further improvements in methods of large span assembled integral of the present invention are, in advance
Vertical connecting node cast-in-place concrete at floor height position, node between frame column processed, the reserved steel bar of prefabricated frame trestle leads to
Cross sleeve or welding manner connection；The horizontal connecting node that prefabricated frame trestle and prefabricated frame are set a roof beam in place sets a roof beam in place two positioned at prefabricated frame
End, connecting node is simultaneously as beam-column connected node between prefabricated frame trestle, and prefabricated frame reserved steel bar of setting a roof beam in place anchors into connection section
In point；Connected between prefabricated board by cast-in-place concrete piece, piece can use longitudinal and transverse two-way piece, the cast-in-place concrete
Include cast-in-place bottom plate, foamed concrete block, casting top slab and cast-in-place girt strip in piece, foamed concrete block as top plate bed die and
Preformed plate muscle uses overlap joint to connect between girt strip side form, contiguous prefabricated plate, and the reserved vertical muscle of girt strip, which is used, to be welded to connect；By cast-in-place
Prefabricated frame top concrete mode of setting a roof beam in place connects prefabricated board and prefabricated frame is set a roof beam in place, and prefabricated frame left and right sides prefabricated board of setting a roof beam in place reserves steel
Muscle is connected in connecting node, and precast frame side bar side prefabricated board reserved steel bar is stretched into connecting node；Top-level boxes trestle shows
Partial Height is poured for half storey floor height, top layer prefabricated frame reserved steel bar of setting a roof beam in place is anchored into top layer cast in place frame post；
Highly steel is reserved to meet connecting node between the steel bar force transfer performance of each connecting node, prefabricated frame trestle not less than it
Cast-in-place concrete piece width between muscle connecting length, prefabricated board is not less than prefabricated board reserved steel bar connecting length；Prefabricated frame
The cast-in-place Partial Height in top of setting a roof beam in place is identical with prefabricated plate thickness.
Assembling frame structure and preparation method node good integrity in the present invention, anti-seismic performance are strong, and are easily achieved.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of hollow groined slab floor frame structure of large span assembled integral, including prefabricated frame trestle, prefabricated frame are set a roof beam in place and greatly
The hollow groined slab floor prefabricated board of span, it is characterised in that：
It is connected with each other and is set a roof beam in place with prefabricated frame between the prefabricated frame trestle and is connected, the hollow groined slab floor prefabricated board of large span
Between be connected with each other and set a roof beam in place and be connected with prefabricated frame；The component is precast concrete, and is mixed using cast in situs
Solidifying earthwork formula connects each prefabricated component；The component is encrypted in the stirrup spacing near joint face；
The prefabricated frame trestle individual layer connection, link position is at story height, the cast-in-place concrete at connecting node；
Prefabricated frame two ends of setting a roof beam in place are connected with prefabricated frame trestle, and prefabricated frame is set a roof beam in place-precast frame column connected node conduct simultaneously
Connecting node between prefabricated frame trestle；
The hollow groined slab floor prefabricated board of large span is erected on supporting surface, is set a roof beam in place both sides or side positioned at prefabricated frame, prefabricated
Connected between plate by cast-in-place concrete piece.
2. the hollow groined slab floor frame structure of large span assembled integral according to claim 1, it is characterised in that described
Prefabricated frame trestle has reserved steel bar stretching in top surface, bottom surface, and reserved steel bar extension meets corresponding connecting length requirement, top surface
By being indulged in frame column, muscle is overhanging to be formed with the reserved steel bar of bottom surface.
3. the hollow groined slab floor frame structure of large span assembled integral according to claim 1, it is characterised in that described
Prefabricated frame is set a roof beam in place as groove profile composite beam, and the cast-in-place Partial Height in top is identical with slab thickness, and bottom stress indulges muscle and stirrup is located at
During prefabricated frame is set a roof beam in place, and colligation is on stirrup when then being assembled for the later stage for top frame force rib, and prefabricated frame two ends of setting a roof beam in place are extended with
Reserved steel bar is used to anchor into precast frame column connected node, anchors into frame column to form the vertical muscle of Vierendeel girder, reserved steel bar is overhanging
Length meets anchorage length requirement.
4. the hollow groined slab floor frame structure of large span assembled integral according to claim 1, it is characterised in that described
The hollow groined slab floor prefabricated board of large span has smooth top surface, bottom surface, in length and breadth two-way well word girt strip, Yi Jiding, bottom surface and
Configure identical in bi-directional pressured plate muscle, top plate and bottom plate in the foamed concrete block that hollow position is filled between girt strip, top, bottom surface
The plate muscle in direction need to stagger certain distance such as 1-5cm；The overhanging reserved steel bar of prefabricated board surrounding, including plate muscle are indulged with girt strip
The reserved steel bar of muscle, for anchoring during prefabricated frame is set a roof beam in place or being connected with neighbouring prefabricated board reserved steel bar, reserved steel bar is overhanging
Length meets anchorage length or connecting length requirement.
5. the hollow groined slab floor frame structure of large span assembled integral according to claim 1, it is characterised in that described
The connection of muscle is indulged between prefabricated frame trestle using welding or form of sleeve, the beam on alternate frames of the prefabricated board indulges the connection of muscle using weldering
The connection for connecing bi-directional pressured plate muscle between form, the prefabricated board uses colligation form.
6. the hollow groined slab floor frame structure of large span assembled integral according to claim 1, it is characterised in that described
Each prefabricated component connection contact surface is configured to crude face or rebate, and strength grade of concrete used in assembled in situ is not lower than
Prefabricated components concrete strength.
7. the preparation method of the hollow groined slab floor frame structure of large span assembled integral according to claim 1, it is special
Levy and be, comprise the following steps：
Vertical connection between prefabricated frame trestle：Connecting node cast-in-place concrete at floor height position, node, prefabricated frame trestle
Reserved steel bar is connected by sleeve or welding manner；
The level connection joint that prefabricated frame trestle is set a roof beam in place with prefabricated frame：By prefabricated frame set a roof beam in place reserved vertical muscle and top frame force rib anchor into it is prefabricated
In connecting node between frame column, mixed by cast in situs prefabricated frame node of setting a roof beam in place between top concrete and prefabricated frame trestle
Solidifying soil is set a roof beam in place and prefabricated frame trestle to connect prefabricated frame；
Level connection joint between prefabricated board：Prefabricated board is connected by cast-in-place concrete piece, piece can use longitudinal and transverse two-way spelling
Cast-in-place bottom plate, foamed concrete block, casting top slab and cast-in-place girt strip are included in seam, the cast-in-place concrete piece, it is contiguous prefabricated
Preformed plate muscle uses overlap joint to connect between plate, and the reserved vertical muscle of girt strip, which is used, to be welded to connect；
Prefabricated board and prefabricated frame set a roof beam in place between connection：By in-situ deposited prefabricated Vierendeel girder top concrete mode connect prefabricated board and
Prefabricated frame is set a roof beam in place, and precast frame intermediate beam left and right sides prefabricated board reserved steel bar is connected in connecting node, precast frame side bar
Side prefabricated board reserved steel bar anchor into connecting node.
8. the preparation method of the hollow groined slab floor frame structure of large span assembled integral according to claim 7, it is special
Levy and be, connecting node is highly not less than cast-in-place mixed between its reserved steel bar connecting length, prefabricated board between prefabricated frame trestle
Solidifying soil piece width is not less than prefabricated board reserved steel bar connecting length；Prefabricated frame is set a roof beam in place the cast-in-place Partial Height in top and prefabricated thickness of slab
Degree is identical.
9. the preparation method of the hollow groined slab floor frame structure of large span assembled integral according to claim 7, it is special
Levy and be that prefabricated frame sets a roof beam in place upper shelf power muscle at the scene or factory completes colligation and to be fixed in pre-buried stirrup.
10. the preparation method of the hollow groined slab floor frame structure of large span assembled integral according to right 7, its feature exists
In, after prefabricated board is positioned in support meanss, placement foamed concrete block after piece inner bottom plating concrete is poured, foaming is mixed
Solidifying soil block as top plate bed die and girt strip side form, after-pouring top plate and girt strip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710547818.9A CN107327065A (en) | 2017-07-06 | 2017-07-06 | The hollow groined slab floor frame structure seat of large span assembled integral and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710547818.9A CN107327065A (en) | 2017-07-06 | 2017-07-06 | The hollow groined slab floor frame structure seat of large span assembled integral and preparation method |
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| CN107938845A (en) * | 2017-12-23 | 2018-04-20 | 中冶建筑研究总院有限公司 | A kind of concrete prefabricated assembling combining structures of FRP |
| CN108678165A (en) * | 2018-07-06 | 2018-10-19 | 上海天华建筑设计有限公司 | A kind of method of construction of cross-layer floor |
| CN109267681A (en) * | 2018-09-05 | 2019-01-25 | 合肥工业大学 | Overlap thick cored slab assembling frame structure |
| CN109707087A (en) * | 2019-02-24 | 2019-05-03 | 东北石油大学 | Big across sound insulation compoboard floor system and its construction method with concealed beam |
| CN110284732A (en) * | 2019-06-13 | 2019-09-27 | 中国矿业大学 | A kind of modular containers building connecting node |
| CN113057102A (en) * | 2021-03-25 | 2021-07-02 | 山东大学 | Flexible waterproof method for prefabricated excrement slot plate seam |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938845A (en) * | 2017-12-23 | 2018-04-20 | 中冶建筑研究总院有限公司 | A kind of concrete prefabricated assembling combining structures of FRP |
| CN108678165A (en) * | 2018-07-06 | 2018-10-19 | 上海天华建筑设计有限公司 | A kind of method of construction of cross-layer floor |
| CN109267681A (en) * | 2018-09-05 | 2019-01-25 | 合肥工业大学 | Overlap thick cored slab assembling frame structure |
| CN109707087A (en) * | 2019-02-24 | 2019-05-03 | 东北石油大学 | Big across sound insulation compoboard floor system and its construction method with concealed beam |
| CN110284732A (en) * | 2019-06-13 | 2019-09-27 | 中国矿业大学 | A kind of modular containers building connecting node |
| CN110284732B (en) * | 2019-06-13 | 2024-02-27 | 中国矿业大学 | Modularized container building connection node |
| CN113057102A (en) * | 2021-03-25 | 2021-07-02 | 山东大学 | Flexible waterproof method for prefabricated excrement slot plate seam |
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