CN111350299A - Dry type connecting node and connecting method for assembled floor slab - Google Patents

Dry type connecting node and connecting method for assembled floor slab Download PDF

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Publication number
CN111350299A
CN111350299A CN202010193626.4A CN202010193626A CN111350299A CN 111350299 A CN111350299 A CN 111350299A CN 202010193626 A CN202010193626 A CN 202010193626A CN 111350299 A CN111350299 A CN 111350299A
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CN
China
Prior art keywords
floor slab
prefabricated floor
notch
connecting piece
dry
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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
CN202010193626.4A
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Chinese (zh)
Inventor
宗亮
孙昌晖
史奉伟
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Tianjin University
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Tianjin University
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Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CN202010193626.4A priority Critical patent/CN111350299A/en
Publication of CN111350299A publication Critical patent/CN111350299A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/023Separate connecting devices for prefabricated floor-slabs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/10Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a dry type connecting node and a connecting method for an assembled floor slab, which comprises an I-beam, a left prefabricated floor slab, a right prefabricated floor slab and a connecting piece, wherein the left prefabricated floor slab and the right prefabricated floor slab are adjacent; the left prefabricated floor slab is provided with a left notch at the joint of the left prefabricated floor slab and the right prefabricated floor slab, the right prefabricated floor slab is provided with a right notch which is in one-to-one correspondence with the left notch at the joint of the left prefabricated floor slab, the left notch and the right notch form a mounting groove after the left prefabricated floor slab and the right prefabricated floor slab are spliced, the connecting piece is mounted in the mounting groove, the left half part of the connecting piece, the left half part of the upper flange of the left prefabricated floor slab and the left half part of the upper flange of the I-beam are fixedly connected through a left high-strength bolt, and the right half part of the connecting piece, the right prefabricated floor slab and the right half. The invention can complete the processing of each component in a factory, utilizes the bolts to assemble, has simple and convenient installation, reduces the field operation amount, shortens the construction time and improves the construction efficiency.

Description

Dry type connecting node and connecting method for assembled floor slab
Technical Field
The invention relates to an assembly type building technology, in particular to an assembly type floor dry type connecting node and a connecting method.
Background
Along with the appearance of the assembly type building, the advantages of industrialization of the building, simple and convenient installation, convenient operation, high working efficiency and the like are realized, but the prior assembly type building can not effectively and reliably connect two adjacent prefabricated floor slabs, and the integrity of the floor slabs is poor.
Disclosure of Invention
The invention aims to overcome the defects in the existing assembled floor slab connection mode and provides an assembled floor slab dry-type connection node and a connection method.
The technical scheme adopted by the invention is as follows: an assembled floor slab dry-type connecting joint comprises an I-beam, a left prefabricated floor slab, a right prefabricated floor slab and a connecting piece, wherein the left prefabricated floor slab and the right prefabricated floor slab are adjacent; the utility model discloses a prefabricated floor of I-beam, including the I-beam, the prefabricated floor of left side, left side prefabricated floor with the junction of right side prefabricated floor has seted up left notch, right side prefabricated floor with the junction of left side prefabricated floor seted up with the right notch of left side notch one-to-one, left side notch with right notch is in left side prefabricated floor with form the mounting groove after the prefabricated floor concatenation of right side, the connecting piece is installed in the mounting groove, will through left high strength bolt the left half part of connecting piece the prefabricated floor of left side with the upper flange left half part of I-beam is connected fixedly, will through right high strength bolt the right half part of connecting piece the prefabricated floor of right side with the upper flange right half part of I-beam is connected fixedly.
Further, the left notch is provided with a plurality of notches which are arranged at intervals; the right notch is provided with a plurality of, a plurality of right notch interval is arranged.
Further, the distance is 700 mm-1000 mm.
Furthermore, the connecting piece is made of a steel plate, and a layer of rubber material is wrapped outside the steel plate.
Further, the rubber material is butadiene rubber.
Further, the shape of the connecting piece is matched with the shape of the mounting groove.
Further, bolt holes for mounting high-strength bolts are formed in the upper flange of the I-beam, the left prefabricated floor slab, the right prefabricated floor slab and the connecting piece; and after the high-strength bolt is installed, filling grouting materials in bolt holes of the left prefabricated floor slab and the right prefabricated floor slab.
Further, the grouting material is made of epoxy resin.
The other technical scheme adopted by the invention is as follows: a connection mode based on the fabricated floor dry-type connection node comprises the following steps:
step 1, a left notch is formed in a left precast floor slab, and a right notch is formed in a right precast floor slab; bolt holes are reserved in the upper flange of the I-beam, the left prefabricated floor slab, the right prefabricated floor slab and the connecting piece;
step 2, splicing the left precast floor slab and the right precast floor slab, and aligning the left notches and the right notches one by one to form mounting grooves;
step 3, connecting the left half part of the upper flange of the I-beam and the left prefabricated floor slab by using a left high-strength bolt from bottom to top, and connecting the right half part of the upper flange of the I-beam and the right prefabricated floor slab by using a right high-strength bolt from bottom to top;
step 4, grouting materials are injected into the bolt holes of the left prefabricated floor slab and the right prefabricated floor slab;
and 5, installing the connecting piece in the installation groove, and screwing the screw cap to complete the connection of the adjacent prefabricated floor slabs.
The invention has the beneficial effects that: according to the fabricated floor dry type connecting joint and the connecting method, all the components are processed and finished in a factory, the integrity of the floor is improved, the site construction is free of wet operation, the installation is convenient, the site construction period is greatly shortened, the construction efficiency of a building is improved, and the fabricated floor dry type connecting joint is safe and reliable.
Secondly, the assembled floor dry-type connecting node has the detachability of the whole life cycle. The floor slab node can be disassembled in the construction stage and the use stage, the screw cap is screwed off, and the prefabricated floor slab, the steel beam and the connecting piece can be separated after the connecting piece is disassembled.
In addition, the member can be reused, and if the member is not damaged greatly, the member can be applied to other buildings, so that a recyclable assembly type floor system is realized, and the construction cost is reduced.
Drawings
FIG. 1 is a three-dimensional schematic view of a dry-type connection node of an assembled floor slab according to the present invention
FIG. 2 is a schematic plan view of a dry-type connection node of an assembly floor according to the present invention
FIG. 3 is a schematic elevation view of a dry-type connection node of an assembly floor according to the present invention
FIG. 4 is a schematic view of a left prefabricated floor slab of an assembled floor slab dry type connection node according to the present invention
FIG. 5 is a schematic view of the left/right high-strength bolts of the dry-type connection node of the fabricated floor of the present invention
The attached drawings are marked as follows:
1-an I-beam;
2-left prefabricated floor slab;
3-right prefabricated floor slab;
4-connecting piece;
5-left high-strength bolt;
6-right high-strength bolt;
7-left notch.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 5, the assembled floor slab dry-type connection node comprises an i-beam 1, a left prefabricated floor slab 2, a right prefabricated floor slab 3 and a connecting piece 4.
The left precast floor slab 2 is provided with a left notch 7 at the joint with the right precast floor slab 3, the left notches 7 are provided with a plurality of notches, and the left notches 7 are arranged at certain intervals; the right precast floor slab 3 is provided with a plurality of right notches which are in one-to-one correspondence with the left notches 7 at the joint with the left precast floor slab 2, and the right notches are arranged at certain intervals; the distance between the left notch 7 and the right notch is about 700mm to 1000mm, so that the arrangement distance of the connecting pieces 4 is 700mm to 1000 mm. The left notch 7 and the right notch form a mounting groove after the left precast floor slab 2 and the right precast floor slab 3 are spliced, the connecting piece 4 is mounted in the mounting groove, and the shape of the connecting piece 4 is matched with that of the mounting groove; the connecting piece 4 is a steel plate with a certain thickness, and a layer of rubber material can be wrapped around the steel plate to prevent the concrete from being subjected to brittle failure under the action of the steel plate, wherein the rubber material is preferably butadiene rubber, and the butadiene rubber has excellent wear resistance and elasticity and excellent aging resistance.
And bolt holes for mounting high-strength bolts are formed in the upper flange of the I-beam 1, the left prefabricated floor slab 2, the right prefabricated floor slab 3 and the connecting piece 4. The left half part of the connecting piece 4, the left prefabricated floor slab 2 and the left half part of the upper flange of the I-beam 1 are fixedly connected through a left high-strength bolt 5, and the right half part of the connecting piece 4, the right prefabricated floor slab 3 and the right half part of the upper flange of the I-beam 1 are fixedly connected through a right high-strength bolt 6. In this embodiment, the left high-strength bolt 5 and the right high-strength bolt 6 may be stud bolts as shown in fig. 5. And after the left high-strength bolt 5 and the right high-strength bolt 6 are installed, filling grouting materials, preferably epoxy resin, in the bolt holes of the left precast floor slab 2 and the right precast floor slab 3.
Assembly type floor dry-type connected mode based on above-mentioned assembly type floor dry-type connected node includes following step:
step 1, prefabricating an I-beam 1, a left prefabricated floor slab 2, a right prefabricated floor slab 3 and a connecting piece 4 in a factory; the left precast floor slab 2 is provided with a left notch 7, and the right precast floor slab 3 is provided with a right notch; bolt holes are reserved in the upper flange of the I-beam 1, the left prefabricated floor slab 2, the right prefabricated floor slab 3 and the connecting piece 4;
step 2, splicing the left precast floor slab 2 and the right precast floor slab 3 on site, and aligning the left notches 7 and the right notches one by one to form mounting grooves;
step 3, connecting and fixing the left half part of the upper flange of the I-beam 1 and the left prefabricated floor slab 2 from bottom to top by adopting a left high-strength bolt 5, and connecting and fixing the right half part of the upper flange of the I-beam 1 and the right prefabricated floor slab 3 from bottom to top by adopting a right high-strength bolt 6;
step 4, after the left high-strength bolt 5 and the right high-strength bolt 6 are installed, grouting materials are injected into bolt holes of the left precast floor slab 2 and the right precast floor slab 3;
and 5, installing the connecting piece 4 in the installation groove, and screwing the screw cap to complete the connection of the adjacent prefabricated floor slabs.
The invention has no on-site wet operation, the component processing can be finished in a factory, the assembly is carried out by utilizing the bolt, the installation is simple and convenient, the on-site operation amount is reduced, the construction time is shortened, and the construction efficiency is improved.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (9)

1. An assembled floor slab dry-type connecting joint is characterized by comprising an I-shaped beam (1), a left prefabricated floor slab (2) and a right prefabricated floor slab (3) which are adjacent to each other, and a connecting piece (4); a left notch (7) is arranged at the joint of the left precast floor slab (2) and the right precast floor slab (3), the right precast floor slab (3) is provided with right notches corresponding to the left notches (7) one by one at the joint of the left precast floor slab (2), the left notch (7) and the right notch form a mounting groove after the left precast floor slab (2) and the right precast floor slab (3) are spliced, the connecting piece (4) is mounted in the mounting groove, will through left high strength bolt (5) will the left half of connecting piece (4) the left side prefabricated floor (2) with the upper flange left half of I-beam (1) is connected fixedly, will through right high strength bolt (6) the right half of connecting piece (4) the right side prefabricated floor (3) with the upper flange right half of I-beam (1) is connected fixedly.
2. An assembled floor dry-type connection node according to claim 1, characterized in that the left notch (7) is provided in plurality, a plurality of the left notches (7) being arranged at a distance; the right notch is provided with a plurality of, a plurality of right notch interval is arranged.
3. An assembled floor dry-type connection node as claimed in claim 2, wherein the distance is 700mm to 1000 mm.
4. An assembled floor dry-type connection node as claimed in claim 1, wherein the connecting member (4) is made of steel plate and is wrapped with a layer of rubber material.
5. An assembled floor dry-type connection node as claimed in claim 4, wherein the rubber material is butadiene rubber.
6. An assembled floor dry connecting node according to claim 1, characterized in that the shape of the connecting piece (4) matches the shape of the mounting groove.
7. The fabricated floor dry-type connection joint as claimed in claim 1, wherein bolt holes for installing high-strength bolts are formed on the upper flange of the i-beam (1), the left prefabricated floor (2), the right prefabricated floor (3) and the connecting piece (4); and after the high-strength bolt is installed, filling grouting materials in bolt holes of the left precast floor slab (2) and the right precast floor slab (3).
8. An assembled floor dry-type connection node as claimed in claim 7, wherein the grout material is epoxy resin.
9. A connection method of assembled floor slab dry type connection node according to any one of the above claims 1 to 8, comprising the following steps:
step 1, a left notch (7) is formed in a left precast floor slab (2), and a right notch is formed in a right precast floor slab (3); bolt holes are reserved in the upper flange of the I-shaped beam (1), the left prefabricated floor slab (2), the right prefabricated floor slab (3) and the connecting piece (4);
step 2, splicing the left precast floor slab (2) and the right precast floor slab (3), and aligning the left notches (7) and the right notches one by one to form mounting grooves;
step 3, connecting the left half part of the upper flange of the I-beam (1) and the left prefabricated floor slab (2) from bottom to top by adopting a left high-strength bolt (5), and connecting the right half part of the upper flange of the I-beam (1) and the right prefabricated floor slab (3) from bottom to top by adopting a right high-strength bolt (6);
step 4, grouting materials are injected into the bolt holes of the left precast floor slab (2) and the right precast floor slab (3);
and 5, installing the connecting piece (4) in the installation groove, and screwing the screw cap to complete the connection of the adjacent prefabricated floor slabs.
CN202010193626.4A 2020-03-18 2020-03-18 Dry type connecting node and connecting method for assembled floor slab Pending CN111350299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010193626.4A CN111350299A (en) 2020-03-18 2020-03-18 Dry type connecting node and connecting method for assembled floor slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010193626.4A CN111350299A (en) 2020-03-18 2020-03-18 Dry type connecting node and connecting method for assembled floor slab

Publications (1)

Publication Number Publication Date
CN111350299A true CN111350299A (en) 2020-06-30

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CN202010193626.4A Pending CN111350299A (en) 2020-03-18 2020-03-18 Dry type connecting node and connecting method for assembled floor slab

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482761A (en) * 2020-12-02 2021-03-12 利辛县宝城建筑工业化有限公司 Building energy-saving floor processing and reinforcing device and method
CN113802741A (en) * 2021-09-18 2021-12-17 北京工业大学 Pin shear connection assembly type beam-slab combination system based on orthogonal corrugated steel plate bending-resistant tie-bar composite floor slab

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482761A (en) * 2020-12-02 2021-03-12 利辛县宝城建筑工业化有限公司 Building energy-saving floor processing and reinforcing device and method
CN113802741A (en) * 2021-09-18 2021-12-17 北京工业大学 Pin shear connection assembly type beam-slab combination system based on orthogonal corrugated steel plate bending-resistant tie-bar composite floor slab

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