CN108487505B - Free assembly structure of section steel confined concrete wallboard - Google Patents
Free assembly structure of section steel confined concrete wallboard Download PDFInfo
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- CN108487505B CN108487505B CN201810440938.3A CN201810440938A CN108487505B CN 108487505 B CN108487505 B CN 108487505B CN 201810440938 A CN201810440938 A CN 201810440938A CN 108487505 B CN108487505 B CN 108487505B
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- joint
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- tenon
- joints
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 239000004567 concrete Substances 0.000 title claims abstract description 41
- 238000010276 construction Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000011150 reinforced concrete Substances 0.000 abstract description 7
- 238000009415 formwork Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 24
- 239000011178 precast concrete Substances 0.000 description 24
- 238000003466 welding Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a free assembly structure of a section steel confined concrete wallboard, and belongs to the technical field of shear walls. The invention is formed by assembling a plurality of joints in the horizontal direction and the vertical direction, omits a formwork erection process, can realize continuous concrete pouring operation of the reinforced concrete shear wall, and effectively shortens the construction period; the wall piece is formed by freely assembling a plurality of standard joints, which is beneficial to batch standardized production of the joints and improves the production efficiency; the joints are connected by adopting the lock catches among the profile steels, so that the concrete wet connection is more reliable than the conventional concrete wet connection.
Description
Technical Field
The invention relates to the technical field of shear walls, in particular to a free assembly structure of a section steel confined concrete wallboard.
Background
The reinforced concrete shear wall construction is the most commonly used structural component of the high-rise building at present, and is mainly used for resisting the horizontal shear force of earthquake. The method for pouring concrete or turning and climbing the formwork by the formwork is commonly used in construction of the concrete shear wall, and the method can be used for constructing the next wall section after the concrete reaches a certain age, so that the construction time is relatively long.
Along with the continuous development of building industrialization, the application of precast concrete shear wall slabs in assembled buildings is gradually increased. The precast concrete wall pieces are precast in a factory and transported to the site for assembly, so that the time for site construction is saved, and the construction efficiency is greatly improved. However, such precast concrete panels also present problems in practice. If the concrete wall piece is prefabricated greatly, the transportation is difficult, and the requirement on the tower crane is high, so that the construction economy is poor; if the prefabricated concrete wall piece is small, the transportation and the hoisting are flexible, but the connecting seams of the wall piece are more, the reliability is reduced, and the construction is not easy.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects of the traditional shear wall assembly structure and provide a free assembly structure of a profile steel confined concrete wallboard. By adopting the technical scheme, the template erection process is omitted, the continuous concrete pouring operation of the reinforced concrete shear wall can be realized, and the construction period is effectively shortened; the wall piece is formed by freely assembling a plurality of standard joints, which is beneficial to batch standardized production of the joints and improves the production efficiency; the joints are connected by adopting the lock catches among the profile steels, so that the concrete wet connection is more reliable than the conventional concrete wet connection.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the free assembly structure of the steel section constraint concrete wallboard is formed by assembling a plurality of joints in the horizontal direction and the vertical direction, the joints comprise steel section bodies,
at least one surface of the steel section body in the horizontal direction is provided with two mutually parallel extending ends, the tail ends of the two extending ends are of a buckling structure, an end joint is formed by arranging the extending ends on one surface of the steel section body in the horizontal direction, a straight joint or an L-shaped joint is formed by arranging the extending ends on two surfaces of the steel section body in the horizontal direction, a T-shaped joint is formed by arranging the extending ends on three surfaces of the steel section body in the horizontal direction, a cross-shaped joint is formed by arranging the extending ends on four surfaces of the steel section body in the horizontal direction, and the assembly engagement in the horizontal direction of the free assembly structure is formed by mutually buckling the extending ends of one or more joints;
the profile steel body of the joint is provided with vertical sections in the height direction, the tail ends of the sections are of buckle structures, the assembly engagement in the vertical direction of the free assembly structure is formed by mutually clamping one or more of the sections of the joint, a vertical lacing plate is fixedly arranged on the lower section of the joint or on the side wall of the upper section of the joint above, when the upper section is clamped with the lower section, the lacing plate is forced to be outwards expanded and elastically deformed, after the clamping of the upper section and the lower section is completed, the lacing plate is restored, and tenons/mortises arranged on the lacing plate are clamped with mortises/tenons on the upper section of the joint above or the lower section of the joint below.
Further, the profile steel body is square steel.
Further, the two protruding ends on each surface of the section steel body are different in length.
Furthermore, the extending ends on the two opposite surfaces of the straight joint, the T-shaped joint and the cross joint are arranged in a central symmetry mode.
Further, the tail end of the longer extending end is provided with a first buckling tenon, and the tail end of the shorter extending end is provided with a first buckling tenon.
Furthermore, the bottom end of the upper section is provided with a second buckling tenon joint, and the top end of the lower section is provided with a second buckling tenon hole.
Furthermore, the lacing plate is welded and fixed on the side wall of the lower layer section, the inner side of the lacing plate is provided with a tenon joint III, and the side wall of the upper layer section is provided with a mortise III matched with the tenon joint three.
Further, the front part of the tenon joint is wedge-shaped so as to facilitate the tenon joint to be inserted into the mortise.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) The free assembly structure of the section steel confined concrete wallboard is formed by freely assembling a plurality of standard joints, is favorable for batch standardized production of the joints, improves the production efficiency, adopts different joints to assemble different types of wall pieces in a combined mode, and enriches the assembly diversity of the wall pieces.
(2) According to the free assembly structure of the steel-reinforced concrete wallboard, the joints are connected by adopting the lock catch between the steel reinforced concrete wallboard, so that the free assembly structure is more reliable than the conventional concrete wet connection structure.
(3) According to the free assembly structure of the section steel confined concrete wallboard, when the upper-layer section is clamped with the lower-layer section, the batten plate is forced to be outwards stretched and elastically deformed, after the clamping of the upper-layer section and the lower-layer section is completed, the batten plate is restored, the tenon joint/mortise arranged on the batten plate is clamped with the tenon joint/mortise arranged on the upper-layer section of the upper joint or the lower-layer section of the lower joint, and the arrangement of the batten plate ensures the perpendicularity and the stability of the connection of the upper wall body and the lower wall body.
(4) The free assembly structure of the section steel confined concrete wallboard has the advantages that the front part of the tenon joint is wedge-shaped, so that the tenon joint can be conveniently and smoothly inserted into the mortise.
Drawings
FIG. 1 is a schematic view of a free-assembled structure of a section steel confined concrete wallboard of the present embodiment;
FIG. 2 is a schematic view of the structure of the in-line connector of the present invention;
FIG. 3 is a schematic view of the T-joint of the present invention;
FIG. 4 is a schematic view of the cross joint of the present invention;
FIG. 5 is a schematic view of an end fitting according to the present invention;
FIG. 6 is a schematic view of the protruding ends of two connectors during the clamping process;
FIG. 7 is a schematic view of a panel welded to a lower segment;
FIG. 8 is a schematic structural view of an upper segment;
fig. 9 is a schematic view of an upper segment in a clamped state with a lower segment.
Reference numerals in the schematic drawings illustrate:
1. a section steel body; 2. a first buckle mortise; 3. the first buckle tenon joint is formed; 4. a lower segment; 4-1, a buckle mortise II; 5. an upper layer segment; 5-1, a buckle tenon joint II; 5-2, mortises III; 6. a lacing plate; 6-1, tenon joint III; 7. and (3) welding seams.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings and examples.
Examples
The free assembly structure of the section steel confined concrete wallboard is characterized in that a plurality of joints are used for assembling in the horizontal direction and the vertical direction, each joint comprises a section steel body 1, and specifically, the section steel body 1 is preferably square steel;
at least one surface of the section steel body 1 in the horizontal direction is provided with two mutually parallel extending ends, the tail ends of the two extending ends are of a buckle structure, if one surface of the section steel body 1 in the horizontal direction is provided with the extending ends, an end joint is formed, as shown in fig. 5, if two surfaces of the section steel body 1 in the horizontal direction are provided with the extending ends, a character-shaped joint (shown in fig. 2) or an L-shaped joint (not shown in the drawings) is formed, the two surfaces of the character-shaped joint are opposite, the two surfaces of the L-shaped joint are perpendicular to each other, if three surfaces of the section steel body 1 in the horizontal direction are provided with the extending ends, a T-shaped joint (shown in fig. 3) is formed, and if four surfaces of the section steel body 1 in the horizontal direction are provided with the extending ends, the character-shaped joint is formed (shown in fig. 4), and all shown in fig. 2-5 are top view. The assembly engagement on the horizontal direction of the free assembly structure is formed by mutually clamping the extending ends of a plurality of one or more connectors, and the extending ends of the two connectors which are connected are mutually extruded and elastically deformed in the clamping process of the clamping structure, and recover after the clamping of the clamping structure of the extending ends is completed. Specifically, the lengths of the two extending ends on each surface of the profile steel body 1 are different, wherein the extending ends on the two opposite surfaces of the straight joint, the T-shaped joint and the cross joint are arranged in a central symmetry manner, the lengths and the positions of the extending ends are all in a central symmetry manner, and the modularized production and the splicing of the joints can be realized. The tail end of the longer extending end is provided with a first buckling tenon 2, and the tail end of the shorter extending end is provided with a first buckling tenon 3. When the two connectors are connected, as shown in fig. 6, the longer extending end of one connector is matched with the shorter extending end of the other connector, in the clamping process, the extending ends are mutually extruded to the outside to elastically deform, and when the first buckle tenon joint 3 is clamped into the first buckle tenon hole 2, the extending ends are restored to the original state. The mounting form that the elastic deformation is followed by clamping and recovering not only improves the reliability of connection, but also greatly improves the convenience of connection without fastening the clamping part.
In FIG. 1, T-shaped joints, straight joints and end joints are selected to construct a T-shaped wall. It should be noted that the cross-shaped connector, the T-shaped connector and the L-shaped connector function as "transfer nodes", the straight-shaped connector further functions as "connection extension", and the end connector is arranged at the tail end of the wall body and functions as "sealing head". Through the assembly connection of the connectors, wall sheets in different forms, such as a straight wall body, an L-shaped wall body, a 'mouth' -shaped wall body, an 'I' -shaped wall body and the like, can be assembled and assembled completely.
The section steel body 1 of the joint is provided with vertical sections in the height direction, the tail ends of the sections are of buckle structures, the assembly engagement in the vertical direction of the free assembly structure is formed by mutually clamping one or more sections of the joints, a vertical lacing plate 6 is fixedly arranged on the lower section 4 of the lower joint or on the side wall of the upper section 5 of the upper joint, when the upper section 5 is clamped with the lower section 4, the lacing plate 6 is forced to be outwards expanded and elastically deformed, after the clamping of the upper section and the lower section is completed, the lacing plate 6 is restored, and a tenon joint/mortise arranged on the lacing plate 6 is clamped with a mortise/tenon joint on the upper section 5 of the upper joint or the lower section 4 of the lower joint, as shown in fig. 9. Specifically, as shown in fig. 8, the bottom end of the upper segment 5 is provided with a second buckle tenon 5-1, and as shown in fig. 7, the top end of the lower segment 4 is provided with a second buckle mortise 4-1. The gusset plate 6 is welded and fixed on the side wall of the lower layer section 4, and a welding line 7 between the lower layer section 4 and the gusset plate 6 is positioned at the top of the lower layer section 4 and at the bottom of the gusset plate 6. The inner side of the lacing plate 6 is provided with a tenon joint III 6-1, and the side wall of the upper layer section 5 is provided with a mortise III 5-2 which is matched with the tenon joint III 6-1 and has a corresponding position. The arrangement of the gusset plates 6 of this embodiment ensures the perpendicularity and stability of the upper and lower wall segments.
In this embodiment, the front portions of the tenons of all the snap structures are arranged in wedge-shaped form so that the tenons are smoothly inserted into the mortises.
For a better understanding of the present embodiment, the construction process of the present embodiment will be further described with reference to fig. 2 to 9.
The construction process of the concrete shear wall for in-situ casting construction is as follows:
the first step, selecting a proper joint type, and hoisting to the site for combination through hoisting equipment. When the connector is assembled in the horizontal direction, the first connector is fixed on site, and in order to ensure the connector to be vertical, an inclined support is generally used for fixing. The second joint is then lifted so that the second joint is slightly higher than the first joint. After the hoisting worker operates the crane to perform butt joint in the horizontal direction, the second joint is clamped with the mortise and tenon joint of the first joint, and the crane is operated to slowly drop down the second joint, so that the two joints are completely locked through the clamping structure. And by analogy, the joints of different types are horizontally assembled to form the section steel cavity wall body conforming to the design.
And secondly, pouring concrete into the steel cavity wall body, wherein the concrete reaches a preset height and cannot completely submerge the steel height, and a space for welding the lacing plates is required to be reserved. At this time, a first layer of steel section constraint concrete wall body continuous in the horizontal direction is formed.
Thirdly, welding the lacing plates on the inner sides of the profiled steel plates of the wall body with continuous horizontal directions of the first layer of construction completed, and designing the welding positions in advance. After the lacing plate is welded, the joint of the second layer is lifted. The first joint is lifted to the second layer height, and the joint is manually sewn, so that the mortise of the lower layer section and the mortise of the upper layer section are meshed and locked with each other. And then hoisting the second segment to the second layer height, and completing the connection between the segments according to the method. And pushing in this way, the second layer of the continuous steel cavity wall body in the horizontal direction is completed. And then the concrete pouring is finished according to the method of the second step.
And the construction of the whole concrete shear wall is completed repeatedly. The combined steel-reinforced concrete wallboard does not need a template in the construction process, does not need to wait for the setting and hardening of concrete, has high construction speed, can realize the continuous pouring of concrete, greatly shortens the construction period and has remarkable social benefit.
The construction process for the prefabricated concrete shear wall is as follows:
and firstly, selecting a proper joint type, filling cast concrete into a section steel cavity of a standard joint in a factory, and curing to form a precast concrete wall piece product.
And secondly, transporting the precast concrete wall piece product to a construction site for assembly. When the prefabricated concrete joint is assembled, the first prefabricated concrete joint is fixed on site, and in order to ensure the verticality of the prefabricated concrete joint, an inclined support is generally used for fixing. The second precast concrete joint is then hoisted such that the second precast concrete joint is slightly higher than the first precast concrete joint. And (3) operating the crane to manually butt joint by a hoisting worker, wherein after the mortise and tenon joints of the second precast concrete joint and the first precast concrete joint are mutually matched and fastened, the crane is operated to slowly drop down the second precast concrete joint, so that the two precast concrete joints are completely locked through the buckle. And by analogy, the segments of different types are installed one by one to form a continuous precast concrete wall in the horizontal direction.
Thirdly, selecting a plurality of precast concrete joints, welding the batten plates on the inner wall of the steel plate, and designing the welding positions in advance so that the tenons of the batten plates are exactly matched with the mortises of the upper-layer sections. And after the batten plate is welded, hoisting the precast concrete joint of the second layer. The first precast concrete joint is hoisted to the height of the second layer, and the first precast concrete joint is manually butt-jointed, so that the mortises of the lower precast concrete joint and the mortises of the upper precast concrete joint are meshed and locked with each other. And then hoisting a second precast concrete joint to the second layer height, and completing the connection between the precast concrete joints according to the method. And pushing in this way, completing the second layer of the precast concrete wall body which is continuous in the horizontal direction.
And fourthly, checking the precast concrete wall body, and pouring concrete into the rest cavity parts in the wall body to form a coherent whole body of the upper wall body and the lower wall body.
And the construction of the whole precast concrete shear wall is completed repeatedly. The combined prefabricated steel-reinforced concrete wallboard is convenient to connect in the construction process, reliable in connection up, down, left and right, capable of being combined into shear walls in different forms, relatively suitable for production in standardized factories, high in production efficiency and remarkable in economic benefit.
The invention and its embodiments have been described above schematically, without limitation, and the actual construction is not limited to this, as it is shown in the drawings, which are only one of the embodiments of the invention. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively devised without departing from the gist of the present invention, and all the structural manners and the embodiments belong to the protection scope of the present invention.
Claims (4)
1. Free assembly structure of shaped steel constraint concrete wallboard forms its characterized in that through a plurality of joints carrying out the assembly in horizontal direction and the vertical direction: the joint comprises a profile steel body (1), wherein the profile steel body (1) is square steel;
at least one surface of the profile steel body (1) is provided with two mutually parallel extending ends, the tail ends of the two extending ends are of a buckle structure, if one surface of the profile steel body (1) is provided with the extending ends, namely an end joint is formed, if two surfaces of the profile steel body (1) are provided with the extending ends, namely a straight joint or an L-shaped joint are formed, if three surfaces of the profile steel body (1) are provided with the extending ends, namely a T-shaped joint is formed, and if four surfaces of the profile steel body (1) are provided with the extending ends, namely a cross-shaped joint is formed, the assembly engagement of the free assembly structure in the horizontal direction is formed by mutually clamping the extending ends of a plurality of one or more joints; the two extending ends on each surface of the profile steel body (1) are different in length, the tail ends of the longer extending ends are provided with first buckling mortises (2), and the tail ends of the shorter extending ends are provided with first buckling mortises (3);
the vertical sections are arranged in the height direction of the profile steel body (1) of the joint, the tail ends of the sections are of buckle structures, the assembly engagement in the vertical direction of the free assembly structure is formed by mutually clamping one or more types of sections of the joint, a vertical lacing plate (6) is fixedly arranged on the lower section (4) of the lower joint or on the side wall of the upper section (5) of the upper joint, when the upper section (5) is clamped with the lower section (4), the lacing plate (6) is forced to be outwards expanded and elastically deformed, after the clamping of the upper section and the lower section is completed, the lacing plate (6) is restored, and a tenon joint/mortise arranged on the lacing plate (6) is clamped with a tenon joint/mortise joint on the upper section (5) of the upper joint or the lower section (4) of the lower joint; the front part of the tenon joint is wedge-shaped, so that the tenon joint is conveniently inserted into the mortise.
2. The free-assembled structure of section steel confined concrete wallboard of claim 1, wherein: the extending ends on the two opposite surfaces of the straight joint, the T-shaped joint and the cross joint are arranged in a central symmetry mode.
3. The free-assembled structure of section steel confined concrete wallboard of claim 2, wherein: the bottom of the upper section (5) is provided with a second buckling tenon joint (5-1), and the top of the lower section (4) is provided with a second buckling tenon hole (4-1).
4. A free-form fitting structure of a section steel confined concrete wallboard as claimed in claim 3, wherein: the lacing plate (6) is welded and fixed on the side wall of the lower-layer section (4), the tenon joint III (6-1) is arranged on the inner side of the lacing plate (6), and the mortise III (5-2) matched with the tenon joint III (6-1) is arranged on the side wall of the upper-layer section (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440938.3A CN108487505B (en) | 2018-05-10 | 2018-05-10 | Free assembly structure of section steel confined concrete wallboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440938.3A CN108487505B (en) | 2018-05-10 | 2018-05-10 | Free assembly structure of section steel confined concrete wallboard |
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| CN108487505A CN108487505A (en) | 2018-09-04 |
| CN108487505B true CN108487505B (en) | 2023-12-29 |
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| CN108487505A (en) | 2018-09-04 |
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