CN112144859A - Prefabricated laminated slab cantilever frame pre-embedding device, building component finished product and cantilever frame structure - Google Patents
Prefabricated laminated slab cantilever frame pre-embedding device, building component finished product and cantilever frame structure Download PDFInfo
- Publication number
- CN112144859A CN112144859A CN202011136395.XA CN202011136395A CN112144859A CN 112144859 A CN112144859 A CN 112144859A CN 202011136395 A CN202011136395 A CN 202011136395A CN 112144859 A CN112144859 A CN 112144859A
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- Prior art keywords
- cantilever frame
- slab
- laminated slab
- superimposed sheet
- embedded
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- 239000002131 composite material Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 62
- 239000010959 steel Substances 0.000 claims description 62
- 230000010485 coping Effects 0.000 claims description 19
- 238000004873 anchoring Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000009417 prefabrication Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 10
- 108010068370 Glutens Proteins 0.000 description 5
- 235000021312 gluten Nutrition 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
Abstract
The invention relates to an embedded device of an assembled laminated slab cantilever frame, a building component finished product and a cantilever frame structure, which are applied to the construction process of an assembled structure and belong to the construction field of building engineering structures. The utility model provides an assembled superimposed sheet cantilever frame pre-buried device, pre-buried device are metal member, and its bottom is pre-buried at the prefabricated pouring plate bottom part of superimposed sheet, and the top stretches out prefabricated superimposed sheet installation back secondary and pours the face part, and metal member and superimposed sheet set up perpendicularly. The invention has the following advantages: 1. the common safety and quality problems caused by common laminated slabs with assembled structures are thoroughly eliminated, and the safety and quality defects are eliminated; 2. the prefabricated composite slab has the advantages of fast prefabrication and molding, small deviation of the sizing size, convenient and fast hoisting and positioning of the composite slab with the embedded device and convenient identification; 3. the factory customized processing is realized, the manufacturing cost is low, the construction is convenient and fast, and the safety is good; 4. the construction of each subsequent procedure after the structure construction is completed is facilitated, and the social and economic benefits are remarkable.
Description
Technical Field
The invention relates to an embedded device of an assembled laminated slab cantilever frame, a building component finished product and a cantilever frame structure, which are applied to the construction process of an assembled structure and belong to the construction field of building engineering structures.
Background
In the common high-rise building assembled structure work progress, the scaffold that encorbelments bottom of the scaffold frame shaped steel and floor structural slab fixing bolt construction of encorbelmenting usually adopts and reserves the bolt hole on the superimposed sheet bottom plate to alternate the fixed mode to the stay bolt after demolising the template, as shown in figure 1, there are following 2 problems in the assembled superimposed sheet floor that adopts this construction method to be under construction: 1. the I-steel anchoring section anchoring part device of the cantilever scaffold penetrates through a preformed hole of the laminated slab, and the common quality problems that subsequent plugging is difficult and water leakage is easy exist; 2. the preformed hole plastic tubing that runs through the superimposed sheet exists that the superimposed sheet is damaged easily in the transportation, needs repair and shutoff when the superimposed sheet is pour to the secondary, and the later stage needs demolish construction processes such as hole sealing processing, extravagant a large amount of manual works and operating time.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide the pre-buried device of the assembled type laminated slab cantilever frame, which is not easy to damage, does not need secondary plugging and waterproof treatment and can save a large amount of labor and operation time.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an assembled superimposed sheet cantilever frame pre-buried device, pre-buried device are metal member, and its bottom is pre-buried at the prefabricated pouring plate bottom part of superimposed sheet, and the top stretches out prefabricated superimposed sheet installation back secondary and pours the face part, and metal member and superimposed sheet set up perpendicularly.
Preferably, a metal plate-shaped member is fixed to the bottom of the metal rod in the horizontal direction, and the metal plate-shaped member is embedded in the bottom of the precast pouring slab of the composite slab.
Preferably, the metal rod is a bolt and comprises a polished rod section and a threaded section, the polished rod section is located inside the laminated slab, and the threaded section is located outside the laminated slab.
Another object of the present invention is to provide a fabricated composite slab building component finished product capable of eliminating common construction quality common faults and potential safety hazards that reserved bolt holes are easy to generate floor water leakage, including composite slabs, and also including the embedded device as described above.
Preferably, the part of the embedded device exposed outside the laminated slab is provided with a wrapping layer and a filling layer, and the filling layer is arranged between the embedded device and the wrapping layer so as to prevent the embedded device from being damaged in the transportation process.
Preferably, the material of the filling layer is light foam plastic.
Preferably, a groove is formed in the laminated slab surrounding the embedded device, and the groove sinks to a certain height relative to the upper surface of the laminated slab.
The invention also aims to provide an assembled laminated slab cantilever frame structure which can ensure the construction safety of the anchoring section of the cantilever frame and meet the requirements of construction quality acceptance criteria and fixed strength, rigidity and stability, the assembled laminated slab cantilever frame structure comprises the cantilever frame, the embedded devices, the coping channel steel and the fasteners, wherein the cantilever frame comprises the anchoring section and the cantilever section, the anchoring section is arranged between every two oppositely arranged embedded devices, and the bottom of the cantilever section is abutted against the supporting and sleeving foot of the bottom layer vertical pipe; and a through hole for the embedded device to pass through is formed in the coping channel steel, the fastener is matched with the embedded device, and the fastener and the coping channel steel fix the anchoring section on the laminated slab.
Preferably, the cantilever frame is an I-steel.
Preferably, a bidirectional steel wedge is hammered into a gap between the I-steel and the embedded device; and or a steel sheet wedge is filled in a gap between the coping channel steel and the embedded device.
The working principle is as follows: the pre-embedding device is pre-embedded into the laminated bottom plate in advance according to a construction design scheme on a laminated slab prefabricating site, so that the common quality problems that subsequent plugging is difficult and water leakage is easy to occur due to the fact that a preformed hole penetrating through the laminated slab is blocked and compacted are avoided and eliminated; the pre-buried device intensity is high, is difficult to damage in the superimposed sheet transportation, only need after finishing using according to the standard requirement hot melt excision can, do not need secondary shutoff and water repellent, practice thrift a large amount of manual works and operating time.
Compared with the prior art, the invention has the following advantages:
1. the common safety and quality common faults generated in the processes of manufacturing, transporting, hoisting, installing, constructing and subsequent constructing of the split bolt hole technology reserved on the laminated slab with the common assembly structure are thoroughly eliminated, and the safety and quality defects are eliminated;
2. the prefabricated composite slab has the advantages of fast prefabrication and molding, small deviation of the sizing size, convenient and fast hoisting and positioning of the composite slab with the embedded device and convenient identification;
3. the factory customized processing is realized, the manufacturing cost is low, the construction is convenient and fast, and the safety is good;
4. the construction of each subsequent procedure after the structure construction is completed is facilitated, and the social and economic benefits are remarkable.
Drawings
FIG. 1 is a schematic diagram of the background art of the present invention;
FIG. 2 is a schematic view of the structure of a finished assembled composite slab building element according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of the use of the fabricated composite slab building element end product of the present invention in a cantilevered scaffolding;
FIG. 4 is a view A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a schematic view of the pre-embedded bolt and the capping nut shown in FIG. 3;
in fig. 2, 1, a composite slab is prefabricated to cast a slab bottom part; 2. a base steel plate; 3. prefabricating a laminated plate gluten support steel bar; 4. after the prefabricated composite slab is installed, the surface part of the slab is poured for the second time; 5. prefabricating the steel bars of the laminated slab surface; 6. embedding bolts in advance; 7. a wrapping layer; 8. a filling layer; 9. the bottom of the prefabricated laminated plate extends out of the anchoring ribs;
in fig. 3-6, 10, the steel wedge is tightly pressed; 11. pressing the channel steel; 12. pressing the nut; 13. cantilever type steel; 14. a bottom layer vertical pipe support sleeve foot; 15. a steel sheet wedge; 16. sinking the groove.
Detailed Description
It should be noted that, in the present embodiment, the terms of orientation "upper", "lower", and the like are described in accordance with the drawings, and do not limit the present invention. In addition, the connection, fixation and the like described in this embodiment may be fixed by a connecting piece, or may be in the form of welding and the like, and those skilled in the art should understand that these embodiments are suitable for this embodiment.
The invention is described in further detail below with reference to figures 2-6: a kind of assembled superimposed sheet building element finished product, including superimposed sheet and pre-buried bolt 6, as shown in figure 2, the superimposed sheet includes the prefabricated part of the factory and secondary pouring part after installing; the factory prefabricated part comprises a laminated slab prefabricated pouring plate bottom part 1, prefabricated laminated slab gluten support steel bars 3, prefabricated laminated slab surface steel bars 5 and prefabricated laminated slab bottom extending anchor bars 9, the cross sections of the prefabricated laminated slab gluten support steel bars 3 are triangular, the bottoms of the prefabricated laminated slab gluten support steel bars are welded with the prefabricated laminated slab bottom extending anchor bars 9, the tops of the prefabricated laminated slab gluten support steel bars are welded with the prefabricated laminated slab surface steel bars 5, the prefabricated laminated slab surface steel bars 5 serve as the anchor bars of the secondary pouring part after installation, and the length direction of the prefabricated laminated slab surface steel bars is consistent with the length direction of the prefabricated laminated slab bottom extending anchor bars 9; the embedded bolts 6 are phi 16 bolts and sequentially comprise a threaded section and a polished rod section from top to bottom, the polished rod section is embedded in the bottom part 1 of the laminated slab prefabricated casting plate, in order to increase the contact area between the embedded bolts 6 and the bottom part 1 of the laminated slab prefabricated casting plate and enhance the stability of the embedded bolts 6, a base steel plate 2 with the size of 100 multiplied by 100mm is welded at the bottom of the polished rod section, and the base steel plate 2 is parallel to the bottom part 1 of the laminated slab prefabricated casting plate; the top of the embedded bolt 6 extends out of the secondary pouring plate surface part 4 after the prefabricated composite slab is installed, and the embedded bolt is perpendicular to the composite slab.
After the prefabrication of mill is accomplished, for convenient transportation, reduce the damage that causes prefabricated bolt 6 in the transportation, expose the part outside the superimposed sheet at prefabricated bolt 6 and set up parcel layer 7 and filling layer 8, filling layer 8 sets up between prefabricated bolt key body and parcel layer 7, and the material of filling layer adopts light foamed plastic.
The embedded bolts 6 are embedded into the laminated bottom plate in advance according to a construction design scheme on the laminated slab prefabrication site, so that the common quality problems that subsequent plugging is difficult and water leakage is easy to occur due to the fact that preformed holes penetrating through the laminated slab are prevented and eliminated; the embedded bolts 6 are high in strength and not easy to damage in the transportation process of the laminated slab, and only need to be thermally melted and cut off according to the standard requirements after use, secondary plugging and waterproof treatment are not needed, and a large amount of labor and operation time are saved; the end of the embedded bolt can be used as a short joint after being cut off, building construction waste can not be generated, and the problems of saving materials and avoiding environmental pollution can be solved.
Use of the finished fabricated composite slab building element in overhanging scaffolding, for example: the utility model provides an assembled superimposed sheet frame structure of encorbelmenting, as shown in 3-6, including encorbelment shaped steel 13, assembled superimposed sheet building element finished product, coping channel-section steel 11 and coping nut 12, it needs to explain that, the assembled superimposed sheet building element finished product of here pours superimposed sheet and buried bolt finished product after the completion for installation back secondary, and the shaped steel 13 of encorbelmenting includes the anchor section and the section of encorbelmenting, and the anchor section is fixed in assembled superimposed sheet building element finished product top, and concrete structure is: the end part of one side of the overhanging section steel 13 is limited between every two oppositely arranged embedded bolts 6, the two oppositely arranged embedded bolts 6 are arranged along the length direction of the overhanging section steel 13, and the bottom of the overhanging section is propped against and fixed with a bottom layer vertical pipe supporting sleeve foot 14; and a through hole for the embedded bolt 6 to pass through is formed in the coping channel steel 11, the coping nut 12 is matched with the thread section of the embedded bolt 6, and the anchoring section is fixed on the laminated slab by the coping nut 12 and the coping channel steel 11.
The overhanging section steel 13 is I-shaped steel and is a structure between the stable overhanging section steel 13 and the embedded bolt 6 and the coping channel steel 11, a bidirectional propping steel wedge 10 is hammered into a gap between the I-shaped steel and the embedded bolt 6, and a filling steel wedge 15 is tightly hammered between the coping groove 11 and the embedded bolt 6 and is used for fixing the overhanging I-shaped steel.
In order to facilitate later-stage hot melting and cutting of the embedded bolts 6, sinking grooves 16 are formed in the laminated slab surrounding the embedded bolts 6, and the sinking grooves 16 sink 20mm relative to the upper surface of the laminated slab.
The working process is as follows: adopt 10mm steel sheet cutting to become 100X 100 mm's base steel sheet 2, weld the body (not containing the overhead nut) bottom of buried bolt 6 between two parties and base steel sheet 2 and form the buried bolt body that can be buried in advance, in the reinforcement process construction process of the prefabricated construction of superimposed sheet mill, the design that will buried bolt body fixed and install in the superimposed sheet is left and is established the position, concrete placement vibration is kept in good health and is finished, buried bolt pole and superimposed sheet just form assembled superimposed sheet building element finished product, experience closes the back, can transport to the scene and carry out the erection construction of assembled structure. The superimposed sheet is according to assembled structure construction rule ligature upper portion reinforcing bar and pour and accomplish floor concrete placement construction back, the cantilever frame of whole floor face encorbelments shaped steel 13 fixed end bolt and just has been under construction the completion, in the work progress of follow-up cantilever frame encorbelment shaped steel floor stiff end, to encorbelment shaped steel 13 anchor section and lay in two buried bolt 6 middle parts in advance, coping channel-section steel 11 is laid on the top, and use the coping nut 12 to screw up and to carry out the coping channel-section steel 11, implement the interim consolidation of shaped steel stiff end, after the interim consolidation is accomplished, squeeze into tight steel wedge 10 relatively in buried bolt 6 and the coping channel-section steel 11 contact encorbelment channel-section steel section and carry out the firm consolidation of shaped steel stiff end, thereby accomplish an assembled superimposed sheet encorbelment frame pre-buried device structure and fixed.
The above examples are merely preferred embodiments of the present invention and are not to be construed as limiting the invention. The application range of the assembled composite slab building element finished product is not limited to the overhanging scaffold in the above embodiment, but can be other structures. It will be apparent to those skilled in the art that any extensions, modifications, etc. that do not depart from the spirit of the invention are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides an assembled superimposed sheet cantilever frame pre-buried device which characterized in that: the pre-embedding device is a metal rod piece, the bottom of the pre-embedding device is embedded in the bottom of the prefabricated pouring plate of the laminated slab, the top of the pre-embedding device extends out of the secondary pouring plate part after the prefabricated laminated slab is installed, and the metal rod piece is perpendicular to the laminated slab.
2. The fabricated laminated slab cantilever frame pre-burying device of claim 1, wherein: and a metal plate-shaped part is fixed at the bottom of the metal rod piece in the horizontal direction, and is pre-embedded at the bottom of the prefabricated pouring plate of the composite slab.
3. The fabricated composite slab cantilever frame pre-burying device of claim 1 or 2, wherein: the metal rod is a bolt and comprises a polished rod section and a threaded section, the polished rod section is located in the laminated slab, and the threaded section is located outside the laminated slab.
4. The utility model provides an assembled superimposed sheet building element finished product, includes superimposed sheet, its characterized in that: further comprising an embedding device according to claims 1-3.
5. The finished fabricated composite slab building element as claimed in claim 4, wherein: the part of pre-buried device exposure outside the superimposed sheet sets up parcel layer and filling layer, and the filling layer setting is between pre-buried device and parcel layer to damage pre-buried device in the transportation.
6. The finished fabricated composite slab building element as claimed in claim 5, wherein: the material of the filling layer is light foam plastic.
7. The finished fabricated composite slab building element as claimed in claim 4, wherein: the laminated slab surrounding the embedded device is provided with a groove, and the groove sinks to a certain height relative to the upper surface of the laminated slab.
8. The utility model provides an assembled superimposed sheet cantilever structure, includes cantilever frame, its characterized in that: the cantilever frame comprises an anchoring section and a cantilever section, the anchoring section is arranged between every two oppositely arranged embedded devices, and the bottom of the cantilever section is abutted against a supporting sleeve foot of the bottom layer vertical pipe; and a through hole for the embedded device to pass through is formed in the coping channel steel, the fastener is matched with the embedded device, and the fastener and the coping channel steel fix the anchoring section on the laminated slab.
9. The fabricated composite slab cantilever frame structure of claim 8, wherein: the cantilever frame is made of I-shaped steel.
10. The fabricated composite slab cantilever frame structure of claim 9, wherein: a bidirectional steel wedge is hammered into a gap between the I-steel and the embedded device; and or a steel sheet wedge is filled in a gap between the coping channel steel and the embedded device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136395.XA CN112144859A (en) | 2020-10-22 | 2020-10-22 | Prefabricated laminated slab cantilever frame pre-embedding device, building component finished product and cantilever frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136395.XA CN112144859A (en) | 2020-10-22 | 2020-10-22 | Prefabricated laminated slab cantilever frame pre-embedding device, building component finished product and cantilever frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112144859A true CN112144859A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011136395.XA Pending CN112144859A (en) | 2020-10-22 | 2020-10-22 | Prefabricated laminated slab cantilever frame pre-embedding device, building component finished product and cantilever frame structure |
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| Country | Link |
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| CN (1) | CN112144859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216487A (en) * | 2021-04-28 | 2021-08-06 | 中国五冶集团有限公司 | Laminated slab overhanging joist steel construction method based on BIM technology |
| CN115748955A (en) * | 2022-11-22 | 2023-03-07 | 中建八局第三建设有限公司 | High-altitude cantilever plate stacking method construction method |
-
2020
- 2020-10-22 CN CN202011136395.XA patent/CN112144859A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216487A (en) * | 2021-04-28 | 2021-08-06 | 中国五冶集团有限公司 | Laminated slab overhanging joist steel construction method based on BIM technology |
| CN115748955A (en) * | 2022-11-22 | 2023-03-07 | 中建八局第三建设有限公司 | High-altitude cantilever plate stacking method construction method |
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