CN116240986A - Support-free laminated slab joint structure, construction method and construction equipment - Google Patents

Support-free laminated slab joint structure, construction method and construction equipment Download PDF

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Publication number
CN116240986A
CN116240986A CN202310278567.4A CN202310278567A CN116240986A CN 116240986 A CN116240986 A CN 116240986A CN 202310278567 A CN202310278567 A CN 202310278567A CN 116240986 A CN116240986 A CN 116240986A
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CN
China
Prior art keywords
elastic pressing
pressing plate
laminated
bottom template
construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310278567.4A
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Chinese (zh)
Inventor
董玉柱
曹廷
苗晓飞
雷军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Construction Shenzhen Co ltd Of China Construction Fifth Engineering Bureau
Original Assignee
Third Construction Shenzhen Co ltd Of China Construction Fifth Engineering Bureau
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Application filed by Third Construction Shenzhen Co ltd Of China Construction Fifth Engineering Bureau filed Critical Third Construction Shenzhen Co ltd Of China Construction Fifth Engineering Bureau
Priority to CN202310278567.4A priority Critical patent/CN116240986A/en
Publication of CN116240986A publication Critical patent/CN116240986A/en
Pending legal-status Critical Current

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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
    • 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
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • 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
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention discloses a support-free laminated slab joint structure, a construction method and construction equipment. The joint structure of the laminated slab comprises a bottom template, wherein the bottom template is arranged below the joint of two adjacent laminated slabs, and two ends of the bottom template are respectively detachably connected with the bottoms of the two laminated slabs; the elastic pressing plates are arranged above the joints of the two adjacent superimposed sheets, and two ends of each elastic pressing plate are detachably connected with the tops of the two superimposed sheets respectively; and the split bolts penetrate through the bottom template and the elastic pressing plate and are used for limiting the relative positions of the bottom template, the elastic pressing plate and the two superimposed sheets. The joint structure of the laminated slab can be used as a joint template without lower support in the construction process of the laminated slab, so that the lower formwork supporting process is saved, the cost is saved, and the construction period is shortened; in addition, the arrangement is flexible and portable, and the construction and the transportation can be facilitated; in addition, the construction is detachable after completion, so that the construction can be recycled.

Description

Support-free laminated slab joint structure, construction method and construction equipment
Technical Field
The invention relates to the technical field of building construction, in particular to a support-free laminated slab joint structure, a construction method and construction equipment.
Background
Along with the popularization of the prefabricated building, in the prefabricated laminated slab construction process of the prefabricated building, a hanging die is often needed between the boards, the traditional method is that a supporting frame is built at the joint, a template is supported below the joint, and finally the reinforcement is good. Or iron wires are used to pass through the templates and then are tied on the steel bars of the laminated plates.
In the current construction of assembled building engineering superimposed sheet, hang mould reinforcement generally has following several:
the first is to set up the scaffold with steel pipes, and to fasten the templates by matching the templates with adjustable lifting heads to achieve the purpose of reinforcement. The reinforcing method consumes too much labor, the input turnover materials such as steel pipe fasteners and the like are also more, and the mold expansion and slurry leakage can be caused by the infirm reinforcement.
The second is to use iron wires to pass through the templates and finally to tie the iron wires on the laminated steel bars to achieve the purpose of reinforcement, however, the reinforcement method is simple, and the condition of slurry leakage of the expansion die can still be caused if the reinforcement is not in place.
Disclosure of Invention
The invention aims to provide a support-free laminated slab joint structure.
The invention aims to provide a support-free laminated slab joint construction method.
Another technical problem to be solved by the present invention is to provide a building construction device.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
according to a first aspect of an embodiment of the present invention, there is provided a support-free laminated slab joint structure, including:
the bottom template is arranged below the joint of the two adjacent superimposed sheets, and two ends of the bottom template are detachably connected with the bottoms of the two superimposed sheets respectively;
the elastic pressing plates are arranged above the joints of the two adjacent superimposed sheets, and two ends of each elastic pressing plate are detachably connected with the tops of the two superimposed sheets respectively;
and the split bolts penetrate through the bottom template and the elastic pressing plate and are used for limiting the relative positions of the bottom template, the elastic pressing plate and the two superimposed sheets.
Further, the bottom template comprises a galvanized steel plate and reinforcing angle steel;
the top laminating of galvanized steel sheet is in the bottom of two adjacent superimposed sheets, strengthen the angle steel be fixed in the bottom of galvanized steel sheet is used for strengthening the structural strength of galvanized steel sheet.
Further, two ends of the top of the galvanized steel sheet are respectively stuck to the bottoms of two adjacent superimposed sheets through glue;
or, the two ends of the top of the galvanized steel sheet are detachably connected to the bottoms of the two adjacent superimposed sheets respectively.
Further, both ends of the elastic pressing plate are connected to the tops of the two superimposed sheets through supporting bolts respectively.
Further, the support bolt includes:
the supporting screw rod is arranged on the laminated plate, and the top end of the supporting screw rod protrudes out of the top of the laminated plate;
the support gasket is sleeved on the support screw rod and is pressed on the top of the superimposed sheet; the two ends of the elastic pressing plate are respectively provided with a through hole, and the elastic pressing plate is sleeved on the supporting screw rod and is pressed above the supporting gasket;
and the adjusting nut is in threaded connection with the supporting screw rod so as to be close to or far away from the gasket in a rotating mode, and therefore the end part of the elastic pressing plate is pressed or loosened.
Further, the laminated slab joint structure comprises a plurality of split bolts, and the split bolts are arranged in a preset shape; wherein the preset shape at least comprises a straight line shape, a round shape, a triangle shape or a polygon shape.
Further, the middle part of the elastic pressing plate is recessed to form a concave part, and the concave part faces to the joint of the two adjacent laminated plates, so that the lower surface of the elastic pressing plate exceeds the cast-in-place concrete finished surface of the laminated plates.
According to a second aspect of the embodiment of the present invention, there is provided a support-free laminated slab joint construction method, including:
after the laminated plates are erected, attaching a bottom template below the joint of two adjacent laminated plates, and respectively attaching two ends of the bottom template to the bottoms of the two adjacent laminated plates;
placing an elastic pressing plate above the joint of two adjacent laminated plates, and connecting and fixing two ends of the elastic pressing plate with the tops of the two adjacent laminated plates respectively;
the bottom template and the elastic pressing plate are pressed and fixed through a split bolt so as to limit the relative positions of the bottom template and the elastic pressing plate as well as the two superimposed sheets;
binding reinforcing steel bars at the joints, and binding the reinforcing steel bars at the positions where the reinforcing steel bars meet the split bolts;
after binding of the steel bars is completed, pouring concrete;
and after the concrete reaches the design strength, the elastic pressing plate and the bottom template are removed, so that the construction is completed.
Further, the method further comprises the following steps:
judging whether the protruding part of the split bolt exceeds the building surface layer, if so, cutting by a cutting machine, and if not, no treatment is needed.
According to a third aspect of embodiments of the present invention, there is provided a construction equipment comprising the above-described superimposed sheet seam structure.
Compared with the prior art, the invention has the following beneficial effects:
1. the joint structure of the superimposed sheet in the embodiment of the invention can be used as a joint template without lower support in the superimposed sheet construction process, thereby saving lower formwork supporting flow, reducing lower formwork supporting engineering quantity, saving cost and saving construction period, and being more advantageous especially at high formwork supporting positions.
2. The laminated slab joint structure in the embodiment of the invention has flexible and portable arrangement, and can be conveniently constructed and transported.
3. The joint structure of the superimposed sheet in the embodiment of the invention can be dismantled after the concrete reaches the strength, so that the superimposed sheet can be recycled.
Drawings
FIG. 1 is a schematic view of a joint structure of a support-free laminated slab according to a first embodiment of the present invention;
FIG. 2 is a front view of a seam construction for a laminated sheet according to a first embodiment of the present invention in use;
FIG. 3 is a top view of a first embodiment of the present invention in use of a laminated board seam construction;
FIG. 4 is a bottom view of the seam construction of the laminated sheet of the first embodiment of the present invention in use;
fig. 5 is a flowchart of a method for constructing a joint of a support-free laminated slab according to a second embodiment of the present invention.
In the drawings, each reference numeral denotes:
1. a bottom template; 11. zinc-plated steel sheet; 12. reinforcing angle steel; 101. double faced adhesive tape;
2. an elastic pressing plate; 21. a concave portion;
3. a split bolt; 31. a counter-pulling screw; 32. a gasket is arranged on the upper part; 33. a lower gasket; 34. a top nut; 35. a lower nut;
10. superimposed sheets; 20. a joint; 30. a support bolt; 301. a support screw; 302. a support pad; 303. and adjusting the nut.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions according to the embodiments of the present invention will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
< first embodiment >
As shown in fig. 1, a first embodiment of the present invention provides a support-free laminated slab joint structure, which includes a bottom template 1, an elastic pressing plate 2 and at least one split bolt 3. The bottom template 1 and the elastic pressing plate 2 are clamped on two sides of a joint of two adjacent superimposed sheets, and are limited and fixed through the stay bolts 3, so that the lower support can be avoided during the construction of the superimposed sheets, and the lower formwork supporting process is saved.
As shown in fig. 2 to 4, the bottom die plate 1 is disposed below the joint 20 of two adjacent superimposed sheets 10, and both ends of the bottom die plate 1 are detachably connected to the bottoms of the two superimposed sheets 10, respectively. Specifically, as shown in fig. 1, in the present embodiment, the bottom die plate 1 includes a galvanized steel plate 11 and reinforcing angle steel 12. Wherein, the galvanized steel sheet 11 is in a rectangular plate structure, and two ends of the top of the galvanized steel sheet 11 are respectively stuck to the bottoms of two adjacent superimposed sheets 10 through double faced adhesive tapes 101; the reinforcing angle steel 12 is L-shaped, and the reinforcing angle steel 12 is fixed at the bottom of the galvanized steel sheet 11, so as to strengthen the structural strength of the galvanized steel sheet 11 and improve the stability of the support.
It will be appreciated that the specific structural form of the galvanized steel sheet 11 and the reinforcing angle steel 12 in this embodiment is only one embodiment, and the structure of the bottom template 1 may be adaptively adjusted as required in other embodiments. In addition, the galvanized steel sheet 11 and the reinforcing angle steel 12 can be integrally formed, can be connected and fixed in a welding mode, and can be in a split structure, and the galvanized steel sheet 11 and the reinforcing angle steel 12 can be pressed and fixed through the split bolts 3.
As shown in fig. 2, the elastic pressing plate 2 is disposed above the joint 20 of two adjacent laminated plates 10, and two ends of the elastic pressing plate 2 are detachably connected to the top of two laminated plates 10, respectively. Specifically, as shown in fig. 1, in the present embodiment, two ends of the elastic pressing plate 2 are connected to the top of two superimposed sheets 10 by supporting bolts 30, respectively. The support bolt 30 includes a support screw 301, a support washer 302, and an adjustment nut 303. Specifically, the supporting screw 301 is embedded in the laminated slab 10, and the top end of the supporting screw 301 protrudes out of the top of the laminated slab 10. The supporting gasket 302 is sleeved on the supporting screw 301 and is pressed on the top of the laminated plate 10, through holes are formed in two ends of the elastic pressing plate 2, and the elastic pressing plate 2 is sleeved on the supporting screw 301 and is pressed above the supporting gasket 302. An adjustment nut 303 is screwed onto the support screw 301 to be brought close to or away from the support washer 302 by rotation, thereby pressing or releasing the end of the elastic pressing plate 2. In the concrete installation, the supporting gasket 302 is sleeved on the supporting screw 301, then the supporting gasket is installed on the supporting screw 301 through the through hole of the elastic pressing plate 2, and finally the end part of the elastic pressing plate 2 is pressed and fixed by the adjusting nut 303.
Furthermore, in the above embodiment, the middle portion of the elastic pressing plate 2 is recessed to form a recess 21, and the recess 21 faces the joint 20 of two adjacent superimposed sheets so that the lower surface of the elastic pressing plate 2 exceeds the cast-in-place concrete finish surface of the superimposed sheet. It will be appreciated that the elastic pressing plate 2 in this embodiment has a shape of a figure of a few, and in other embodiments, the elastic pressing plate 2 may be adapted according to needs, so long as appropriate rigidity and the recess 21 are ensured.
As shown in fig. 2, the split bolts 3 are inserted through the bottom die plate 1 and the elastic pressing plate 2, so as to limit the relative positions of the bottom die plate 1 and the elastic pressing plate 2 and the two superimposed sheets 10. Specifically, as shown in fig. 1, in the present embodiment, the split bolt 3 includes a split screw 31, an upper washer 32, a lower washer 33, an upper nut 34, and a lower nut 35. The opposite-pulling screw rod 31 is arranged on the bottom template 1 and the elastic pressing plate 2 in a penetrating way, and two ends of the opposite-pulling screw rod 31 respectively protrude out of the bottom template 1 and the top of the elastic pressing plate 2; the upper gasket 32 is sleeved on the opposite-pulling screw rod 31 and is pressed on the top of the elastic pressing plate 2; the lower gasket 33 is sleeved on the opposite-pull screw rod 31 and is positioned at the bottom of the bottom template 1; the upper nut 34 is screwed to the counter-pulling screw 31 to be moved toward or away from the upper washer 32 by rotation; the lower nut 35 is screwed to the counter-pulling screw 31 to be brought close to or away from the lower washer 33 by rotation. In this embodiment, two split bolts 3 are provided, and the two split bolts 3 are arranged in a straight line. It will be appreciated that in other embodiments, the number of split bolts 3 may be 3 or more, and the plurality of split bolts 3 may be arranged in a predetermined shape as required, for example: circular, triangular, polygonal, etc.
In summary, the support-free laminated slab joint structure provided by the first embodiment of the invention has the following beneficial effects:
1. the joint structure of the superimposed sheet in the embodiment of the invention can be used as a joint template without lower support in the superimposed sheet construction process, thereby saving lower formwork supporting flow, reducing lower formwork supporting engineering quantity, saving cost and saving construction period, and being more advantageous especially at high formwork supporting positions.
2. The laminated slab joint structure in the embodiment of the invention has flexible and portable arrangement, and can be conveniently constructed and transported.
3. The joint structure of the superimposed sheet in the embodiment of the invention can be dismantled after the concrete reaches the strength, so that the superimposed sheet can be recycled.
< second embodiment >
As shown in fig. 5, on the basis of the first embodiment, a second embodiment of the present invention provides a support-free laminated slab joint construction method, which specifically includes steps S1 to S6:
s1: the base pattern plate 1 is stuck.
Specifically, the galvanized steel sheet 11 and the reinforcing angle steel 12 are welded and fixed in advance, and after the laminated slab 10 is erected, two ends of the top surface of the galvanized steel sheet 11 are respectively stuck to the bottoms of two adjacent laminated slabs 10 through double faced adhesive tapes.
S2: an elastic pressing plate 2 is installed.
Specifically, a supporting gasket 302 is sleeved on the supporting screw 301 in advance to provide a supporting foundation for the elastic pressing plate 2; then, the elastic pressing plate 2 is mounted on the supporting screw 301 through the through hole of the elastic pressing plate 2, so that the end of the elastic pressing plate 2 is pressed on the supporting spacer 302; finally, the end of the elastic pressing plate 2 is pressed and fixed by the adjusting nut 303. Thereby, both ends of the elastic pressing plate 2 may be respectively fixed in the same manner.
It can be understood that the step S1 and the step S2 are not sequential, and can be installed sequentially, or can be installed simultaneously in cooperation of multiple persons.
S3: and (5) compacting and fixing.
Specifically, after the bottom template 1 and the elastic pressing plate 2 are respectively installed and fixed, the bottom template 1 and the elastic pressing plate 2 are pressed and fixed by the split bolts 3 so as to limit the relative positions of the bottom template 1 and the elastic pressing plate 2 and the two superimposed sheets 10.
S4: binding reinforcing steel bars.
Specifically, the reinforcing steel bars are bound at the joints 20, and the reinforcing steel bars and the butt bolts 3 are bound together at the meeting positions, so that the overall stability of the joint structure of the laminated slab is improved.
S5: and (5) pouring concrete.
Specifically, after the binding of the reinforcing bars is completed, concrete is poured into the joint 20.
S6: and (5) removing the template structure.
Specifically, after the concrete is poured, the concrete is stopped for a period of time, and after the concrete reaches the design strength, the upper nut 34 and the lower nut 35 are unscrewed, so that the elastic pressing plate 2 and the bottom template 1 are respectively detached for the next use.
S7: and cutting off the rest.
Specifically, when the formwork structure is removed, the split screw 21 remains in the concrete, and at this time, it is necessary to determine whether the protruding portion of the split screw 21 exceeds the building surface layer, if so, a cutting machine is used for cutting, and if not, no treatment is required.
It will be appreciated that this step S7 is only required when the split screws 21 need to be cut, and that this step S7 is not present when no cutting operation is required.
< third embodiment >
In addition to the first embodiment, a third embodiment of the present invention further provides a building construction apparatus, which includes the above-mentioned laminated slab joint structure.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A support-free laminated slab joint structure, comprising:
the bottom template is arranged below the joint of the two adjacent superimposed sheets, and two ends of the bottom template are detachably connected with the bottoms of the two superimposed sheets respectively;
the elastic pressing plates are arranged above the joints of the two adjacent superimposed sheets, and two ends of each elastic pressing plate are detachably connected with the tops of the two superimposed sheets respectively;
and the split bolts penetrate through the bottom template and the elastic pressing plate and are used for limiting the relative positions of the bottom template, the elastic pressing plate and the two superimposed sheets.
2. The laminated slab joint structure of claim 1, wherein the bottom form comprises galvanized steel sheet and reinforcing angle steel;
the top laminating of galvanized steel sheet is in the bottom of two adjacent superimposed sheets, strengthen the angle steel be fixed in the bottom of galvanized steel sheet is used for strengthening the structural strength of galvanized steel sheet.
3. The laminated slab joint structure according to claim 2, wherein both ends of the top of the galvanized steel sheet are respectively adhered to the bottoms of two adjacent laminated slabs by means of adhesive;
or, the two ends of the top of the galvanized steel sheet are detachably connected to the bottoms of the two adjacent superimposed sheets respectively.
4. The laminated slab joint structure according to claim 1, wherein both ends of the elastic pressing plate are respectively connected to the tops of the two laminated slabs by supporting bolts.
5. The laminated panel seam construction of claim 4, wherein the support bolts comprise:
the supporting screw rod is arranged on the laminated plate, and the top end of the supporting screw rod protrudes out of the top of the laminated plate;
the support gasket is sleeved on the support screw rod and is pressed on the top of the superimposed sheet; the two ends of the elastic pressing plate are respectively provided with a through hole, and the elastic pressing plate is sleeved on the supporting screw rod and is pressed above the supporting gasket;
and the adjusting nut is in threaded connection with the supporting screw rod so as to be close to or far away from the gasket in a rotating mode, and therefore the end part of the elastic pressing plate is pressed or loosened.
6. The laminated panel seam construction of claim 1, wherein the laminated panel seam construction comprises a plurality of split bolts and the plurality of split bolts are arranged in a predetermined shape; wherein the preset shape at least comprises a straight line shape, a round shape, a triangle shape or a polygon shape.
7. The laminated slab joint structure according to claim 1, wherein the middle part of the elastic pressing plate is recessed to form a concave part, and the concave part faces the joint of the two adjacent laminated slabs so that the lower surface of the elastic pressing plate exceeds the cast-in-place concrete finished surface of the laminated slab.
8. The utility model provides a support-free superimposed sheet seam construction method which is characterized in that the method comprises the following steps:
after the laminated plates are erected, attaching a bottom template below the joint of two adjacent laminated plates, and respectively attaching two ends of the bottom template to the bottoms of the two adjacent laminated plates;
placing an elastic pressing plate above the joint of two adjacent laminated plates, and connecting and fixing two ends of the elastic pressing plate with the tops of the two adjacent laminated plates respectively;
the bottom template and the elastic pressing plate are pressed and fixed through a split bolt so as to limit the relative positions of the bottom template and the elastic pressing plate as well as the two superimposed sheets;
binding reinforcing steel bars at the joints, and binding the reinforcing steel bars at the positions where the reinforcing steel bars meet the split bolts;
after binding of the steel bars is completed, pouring concrete;
and after the concrete reaches the design strength, the elastic pressing plate and the bottom template are removed, so that the construction is completed.
9. The method of constructing a splice of superimposed sheets of claim 8, further comprising:
judging whether the protruding part of the split bolt exceeds the building surface layer, if so, cutting by a cutting machine, and if not, no treatment is needed.
10. A construction equipment comprising the superimposed sheet seam structure according to any one of claims 1-7.
CN202310278567.4A 2023-03-10 2023-03-10 Support-free laminated slab joint structure, construction method and construction equipment Pending CN116240986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310278567.4A CN116240986A (en) 2023-03-10 2023-03-10 Support-free laminated slab joint structure, construction method and construction equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310278567.4A CN116240986A (en) 2023-03-10 2023-03-10 Support-free laminated slab joint structure, construction method and construction equipment

Publications (1)

Publication Number Publication Date
CN116240986A true CN116240986A (en) 2023-06-09

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ID=86629589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310278567.4A Pending CN116240986A (en) 2023-03-10 2023-03-10 Support-free laminated slab joint structure, construction method and construction equipment

Country Status (1)

Country Link
CN (1) CN116240986A (en)

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