CN108661241B - Concrete column with steel plate mesh sleeved outside and manufacturing method thereof - Google Patents
Concrete column with steel plate mesh sleeved outside and manufacturing method thereof Download PDFInfo
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- CN108661241B CN108661241B CN201810519477.9A CN201810519477A CN108661241B CN 108661241 B CN108661241 B CN 108661241B CN 201810519477 A CN201810519477 A CN 201810519477A CN 108661241 B CN108661241 B CN 108661241B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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Abstract
The invention discloses a concrete column with a steel plate mesh sleeved outside and a manufacturing method thereof. The manufacturing method of the invention comprises the following steps: a, fixing a main reinforcement and a stirrup; b, installing a steel bar buckle on the main steel bar; c, cutting and bending the steel plate net and wrapping the steel plate net on the outer side surface of the concrete column; d, welding the steel plate mesh fixing piece and the steel plate mesh into a whole; e, pouring concrete. According to the invention, the steel plate net is wrapped outside the concrete column, so that the deformation resistance of the concrete column under the action of an earthquake is improved; the manufacturing method of the invention uses the steel plate net to wrap the steel reinforcement framework formed by the main reinforcement and the stirrup, then fixes the steel plate net and casts concrete, and has the advantages of easy operation, high manufacturing speed and short construction period.
Description
Technical Field
The invention relates to a concrete column with a steel plate mesh sleeved outside and a manufacturing method thereof.
Background
China is one of the countries with multiple earthquakes, particularly in recent years, major earthquakes frequently occur, building earthquake damage caused by the earthquakes is more and more serious, and the earthquakes cause damage and collapse of a large number of buildings, so that loss which is difficult to estimate is caused, and therefore reduction of casualties and economic loss caused by structural damage is responsibility and obligation of structural engineering technicians. In Wenchuan earthquake, a large number of reinforced concrete frame houses are damaged and even collapse, a large number of strong beam and weak column type damage mechanisms are generated, and a strong column and weak beam type damage mechanism required by design specifications is not formed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the outer sleeved steel plate mesh concrete column with good shock resistance and the manufacturing method of the outer sleeved steel plate mesh concrete column are provided.
In order to solve the technical problem, the concrete column comprises a concrete main column body, main reinforcements and stirrups embedded in the concrete main column body, a plurality of longitudinal main reinforcements are arranged in the main column body, a plurality of circles of stirrups which are arranged at intervals up and down are wound on the periphery of all the main reinforcements, the concrete column further comprises a steel plate net and a plurality of steel plate net fixing devices, the steel plate net wraps the periphery of the main column body, the steel plate net is connected with the main column body through the plurality of steel plate net fixing devices, the steel plate net fixing devices are arranged above the main reinforcements and the stirrup overlapping points, one end of each steel plate net fixing device is connected with the corresponding main reinforcement, and the other end of each steel plate net fixing device is connected with the corresponding steel plate net.
In order to better connect the steel plate nets, the steel plate net fixing device comprises a steel bar buckle and 2 steel plate net fixing pieces, the steel bar buckle comprises a U-shaped bolt, a clamp head and 2 nuts, the clamp head comprises a bottom plate and a clamp seat fixed on the bottom plate, an arc-shaped main rib clamping groove is arranged on the clamp seat, arc-shaped grooves communicated with the main rib clamping groove are respectively arranged on two sides of the main rib clamping groove on the clamp seat, through holes are respectively arranged on the outer sides of the two arc-shaped grooves on the bottom plate, the U-shaped bolt is sleeved on the main rib and positioned above the stirrup, the opening of the U-shaped bolt faces the outer side of the stirrup, the main rib clamping groove of the clamp head is clamped on the main rib, the opening parts of the main rib clamping groove of the clamp head and the U-shaped bolt are oppositely arranged, the steel plate net fixing piece is a rectangular frame structure with one closed end and the other end opened, the both ends of U type bolt pass two through-holes on the dop and the centre trompil of two steel sheet net mountings respectively, and 2 nuts threaded connection respectively is at the both ends of U type bolt and compresses tightly on corresponding steel sheet net mountings, and open-ended one end of steel sheet net mountings is hung on the net twine of steel sheet net, and steel sheet net mountings opening links into an integrated entity through the welding seam.
In order to facilitate the fixed connection operation of the steel plate nets, the steel plate net fixing device comprises a steel bar buckle and 2 steel plate net fixing pieces, the steel bar buckle comprises a U-shaped bolt, a clamp head and 2 nuts, the clamp head comprises a bottom plate and a clamp seat fixed on the bottom plate, an arc-shaped main rib clamping groove is arranged on the clamp seat, arc-shaped grooves communicated with the main rib clamping groove are respectively arranged on two sides of the main rib clamping groove on the clamp seat, through holes are respectively arranged on the outer sides of the two arc-shaped grooves on the bottom plate, the U-shaped bolt is sleeved on the main rib and positioned above the stirrup, the opening of the U-shaped bolt faces the outer side of the stirrup, the main rib clamping groove of the clamp head is clamped on the main rib, the main rib clamping groove of the clamp head and the opening of the U-shaped bolt are oppositely arranged, the steel plate net fixing piece is a rectangular frame structure with a, two ends of the U-shaped bolt respectively penetrate through the two through holes in the clamping head and the middle openings of the two steel plate net fixing pieces, 2 nuts are respectively in threaded connection with two ends of the U-shaped bolt and are tightly pressed on the corresponding steel plate net fixing pieces, and the end, not provided with the opening, of the steel plate net fixing piece is tightly attached to the steel plate net and is connected with the steel plate net into a whole through a welding line.
In order to improve the use reliability of the steel plate mesh fixing piece and prevent corrosion, the steel plate mesh fixing piece is made of stainless steel.
In order to improve the use safety performance, a steel plate net fixing device is arranged at the lap joint point of at least two circles of stirrups and main reinforcements.
In order to enhance the connection strength, the lap joint point of each stirrup and the main reinforcement is provided with a steel plate net fixing device.
In order to increase the connection reliability, the stirrup and the steel plate net fixing device are wound and fixed through binding wires.
The manufacturing method of the invention comprises the following steps: a, fixing a main reinforcement and a stirrup and manufacturing a main body of the steel reinforcement framework; b, installing a steel bar buckle on the main reinforcement, installing the steel bar buckle above the stirrup, respectively penetrating two through holes on the chuck and the middle openings of the two steel plate net fixing pieces at two ends of the U-shaped bolt, and screwing 2 nuts to respectively press the steel plate net fixing pieces correspondingly; c, cutting and bending the steel plate net according to the cross section size of the concrete column and wrapping the steel plate net on the outer side surface of the concrete column; d, hanging one open end of the steel plate mesh fixing piece on a mesh wire of the steel plate mesh and welding the steel plate mesh fixing piece and the steel plate mesh into a whole; e, pouring concrete.
The invention has the beneficial effects that: according to the invention, the steel plate net is wrapped outside the concrete column, and the ductility of the concrete column is improved due to the constraint effect of the steel plate net, so that the deformation resistance of the concrete column under the action of an earthquake can be improved; the steel plate nets are fixed by the steel plate net fixing devices, so that the steel plate nets are firm and reliable in fixing, the steel plate nets can better play a role in restraining a concrete protective layer, corner regions of the column body are reinforced, and the effect of improving the oblique strength of the concrete column is achieved; the steel plate net fixing device is adopted, so that the structure is simple, and the construction difficulty is small; the manufacturing method of the invention uses the steel plate net to wrap the steel reinforcement framework formed by the main reinforcement and the stirrup, then fixes the steel plate net and casts concrete, and has the advantages of easy operation, high manufacturing speed and short construction period.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged front view of the steel mesh fixing device;
fig. 4 is a side view of the expanded steel fixing device according to the first embodiment;
fig. 5 is a side view of the steel expanded metal fixing apparatus of the second embodiment;
FIG. 6 is a front view of the chuck;
fig. 7 is a side view of the cartridge.
In the figure: 1. a concrete column; 2. steel plate nets; 3. hooping; 4. fixing a steel plate net; 5. a U-shaped bolt; 6. clamping a head; 7. a nut; 8. a main rib; 9. a base plate; 10. a card holder; 11. a main rib clamping groove; 12. an arc-shaped clamping groove.
Detailed Description
Example one
As shown in fig. 1, a concrete main column, a main reinforcement 8 and a stirrup 3 embedded in the main column, a steel plate net 2 wrapped around the main column, the steel plate net 2 connected with the main column through a plurality of steel plate net fixing devices, the steel plate net fixing devices arranged above the main reinforcement 8 and the stirrup 3, one end of the steel plate net fixing device connected with the main reinforcement 8, the other end of the steel plate net fixing device connected with the steel plate net 2, the steel plate net fixing device shown in fig. 2 comprising a steel bar buckle and 2 steel plate net fixing pieces 4, the steel bar buckle shown in fig. 3 comprising a U-shaped bolt 5, a chuck 6 and 2 nuts 7, the chuck 6 shown in fig. 6 comprising a bottom plate 9 and a clamping seat 10 fixed on the bottom plate, the clamping seat 10 provided with an arc-shaped main reinforcement clamping groove 11, as shown in fig. 7, the clamping seat 10 provided with arc-shaped grooves 12 respectively formed on both sides of the main reinforcement clamping groove 11, the bottom plate 9 is provided with a through hole at the outer side of the two arc grooves 12, the U-shaped bolt 5 is sleeved on the main reinforcement 8 and is positioned above the stirrup 3, the opening of the U-shaped bolt 5 faces the outer side of the stirrup 3, the main reinforcement clamping groove 11 of the clamping head 6 is clamped on the main reinforcement 8, the openings of the main reinforcement clamping groove 11 of the clamping head 6 and the U-shaped bolt 5 are oppositely arranged, as shown in figure 4, the steel plate net fixing piece 4 is a rectangular frame structure with one closed end and the other open end, the end surface of the closed end is provided with a middle hole, the two steel plate net fixing pieces 4 are respectively sleeved at the two ends of the clamping seat 10, the two ends of the U-shaped bolt 5 respectively pass through the two through holes on the clamping head 6 and the middle holes of the two steel plate net fixing pieces 4, 2 nuts 7 are respectively in threaded connection with the two ends of the U-shaped bolt 5 and are tightly pressed on the corresponding steel plate net fixing pieces 4, the, openings of the steel plate net fixing pieces 4 are connected into a whole through welding seams, and the steel plate net fixing pieces 4 are made of stainless steel.
The steel reinforcement cage is fixed and made into with main muscle 8 and stirrup 3 during specific use, then wrap up steel sheet net 2 in concrete column 1 outside and be connected with main muscle 8 through steel sheet net fixing device, the overlap joint point that has stirrup 3 and main muscle 8 more than two rings at least in order to guarantee joint strength is provided with steel sheet net fixing device, the optimal condition is that the overlap joint point of each stirrup 3 and main muscle 8 all is provided with steel sheet net fixing device, and twine fixed stirrup 3 and steel sheet net fixing device through the ligature silk, then hang the open-ended one end of steel sheet net fixing device 4 in the steel sheet net fixing device on the net twine of steel sheet net 2 and weld rather than becoming integrative, cast concrete forms concrete column 1 by steel sheet net 2 parcel at last.
The manufacturing method of the first embodiment includes the following steps: a, fixing a main reinforcement 8 and a stirrup 3, and manufacturing a main body of the steel reinforcement framework; b, installing a steel bar buckle on the main bar 8, installing the steel bar buckle above the stirrup 3, respectively penetrating two through holes on the chuck 6 and the middle openings of the two steel plate net fixing pieces 4 at two ends of the U-shaped bolt 5, and screwing 2 nuts 7 to respectively press the steel plate net fixing pieces 4; c, cutting and bending the steel plate net 2 according to the cross section size of the concrete column 1 and wrapping the steel plate net on the outer side surface of the concrete column 1; d, hanging the open end of the steel plate net fixing piece 4 on the net line of the steel plate net 2 and welding the steel plate net fixing piece and the steel plate net 2 into a whole; e, pouring concrete.
Example two
The difference between this embodiment and the first embodiment is: as shown in fig. 5, the steel plate mesh fixing member 4 is a rectangular frame structure with a hollow interior, a middle hole is formed in the end face of one end of the steel plate mesh fixing member, the two steel plate mesh fixing members 4 are respectively sleeved at the two ends of the clamping seat 10, the two ends of the U-shaped bolt 5 respectively penetrate through the two through holes in the clamping head 6 and the middle holes of the two steel plate mesh fixing members 4, 2 nuts 7 are respectively in threaded connection with the two ends of the U-shaped bolt 5 and tightly press the two through holes on the corresponding steel plate mesh fixing members 4, and the non-opened end of the steel plate mesh fixing member 4 is tightly attached to the steel plate.
The manufacturing method of the embodiment is different from the manufacturing method of the first embodiment in that: the method comprises the following steps: d, tightly attaching the end, which is not provided with the hole, of the steel plate net fixing piece 4 to the steel plate net and welding the end and the steel plate net 2 into a whole.
Claims (6)
1. The utility model provides a steel plate mesh concrete column coats, includes concrete column (1), concrete column (1) including the main cylinder of concrete and embedding owner muscle (8) and stirrup (3) in the main cylinder, arranged many fore-and-aft owner muscle (8) in the main cylinder, the peripheral winding of all main muscle (8) has stirrup (3) of interval arrangement about the many rings, its characterized in that: the steel plate net fixing device comprises a steel plate net (2) and a plurality of steel plate net fixing devices, the steel plate net (2) is wrapped around a main column body, the steel plate net (2) is connected with the main column body through the steel plate net fixing devices, the steel plate net fixing devices are arranged above the lapping points of main ribs (8) and stirrups (3), one end of each steel plate net fixing device is connected with a main rib (8), the other end of each steel plate net fixing device is connected with the steel plate net (2), each steel plate net fixing device comprises a steel bar buckle and 2 steel plate net fixing pieces (4), each steel bar buckle comprises a U-shaped bolt (5), a clamp head (6) and 2 nuts (7), each clamp head (6) comprises a bottom plate (9) and a clamp seat (10) fixed on the bottom plate, each clamp seat (10) is provided with an arc-shaped main rib clamping groove (11), two sides of each main rib clamping groove (11) on each clamp seat (10) are respectively provided with an arc-shaped groove (12) communicated with each, the outer sides of the two arc-shaped grooves (12) on the bottom plate (9) are respectively provided with a through hole, the U-shaped bolt (5) is sleeved on the main rib (8) and is located above the stirrups (3), the opening of the U-shaped bolt (5) faces the outer sides of the stirrups (3), a main rib clamping groove (11) of the clamping head (6) is clamped on the main rib (8), the main rib clamping groove (11) of the clamping head (6) and the opening of the U-shaped bolt (5) are oppositely arranged, the steel plate net fixing piece (4) is a rectangular frame structure with one closed end and the other open end and is hollow inside, the end face of the closed end of the steel plate net fixing piece is provided with a middle hole, the two steel plate net fixing pieces (4) are respectively sleeved at the two ends of the clamping head (10), the two ends of the U-shaped bolt (5) respectively penetrate through the two through holes on the clamping head (6) and the middle holes of the two steel plate net fixing pieces (4), and 2 nuts (7) are respectively in threaded connection 4) And one end of the opening of the steel plate net fixing piece (4) is hung on the net wire of the steel plate net (2), and the openings of the steel plate net fixing piece (4) are connected into a whole through welding seams.
2. The column of coated steel sheet mesh concrete according to claim 1, characterized in that: the steel plate net fixing piece (4) is made of stainless steel.
3. The column of coated steel sheet mesh concrete according to claim 1, characterized in that: the steel plate net fixing device is arranged at the lap joint point of at least two circles of stirrups (3) and main reinforcements (8).
4. The column of coated steel sheet mesh concrete according to claim 1, characterized in that: and the lap joint point of each stirrup (3) and each main reinforcement (8) is provided with the steel plate net fixing device.
5. The column of coated steel sheet mesh concrete according to claim 1, characterized in that: the stirrup (3) and the steel plate net fixing device are fixed by winding through binding wires.
6. A method of making a coated steel mesh concrete column according to claim 1, characterized in that: the method comprises the following steps: a, fixing a main reinforcement (8) and a stirrup (3) and manufacturing a main body of the steel reinforcement framework; b, installing a steel bar buckle on the main bar (8), installing the steel bar buckle above the stirrup (3), respectively penetrating two through holes on the clamping head (6) and the middle holes of the two steel plate net fixing pieces (4) at two ends of the U-shaped bolt (5), and screwing 2 nuts (7) to respectively press the steel plate net fixing pieces (4); c, cutting and bending the steel plate net (2) according to the cross section size of the concrete column (1) and wrapping the steel plate net on the outer side surface of the concrete column (1); d, hanging the open end of the steel plate net fixing piece (4) on a net line of the steel plate net (2) and welding the open end of the steel plate net fixing piece and the steel plate net (2) into a whole; e, pouring concrete.
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CN201810519477.9A CN108661241B (en) | 2018-05-28 | 2018-05-28 | Concrete column with steel plate mesh sleeved outside and manufacturing method thereof |
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CN110331821A (en) * | 2019-07-10 | 2019-10-15 | 中国矿业大学 | A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar |
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CN102409755A (en) * | 2011-11-28 | 2012-04-11 | 北京工业大学 | Bottom double-overlapped steel concrete frame built-in steel plate core barrel and manufacturing method thereof |
CN103225368A (en) * | 2013-03-15 | 2013-07-31 | 北京工业大学 | Steel screen restricted column plastic hinge region concrete structure and making method thereof |
CN204626782U (en) * | 2015-05-20 | 2015-09-09 | 中民筑友有限公司 | A kind of prefabricated post with liner plate |
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TWM428973U (en) * | 2011-10-28 | 2012-05-11 | Yan-Qing Hong | Building structure with stay-in-place mould |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102409755A (en) * | 2011-11-28 | 2012-04-11 | 北京工业大学 | Bottom double-overlapped steel concrete frame built-in steel plate core barrel and manufacturing method thereof |
CN103225368A (en) * | 2013-03-15 | 2013-07-31 | 北京工业大学 | Steel screen restricted column plastic hinge region concrete structure and making method thereof |
CN204626782U (en) * | 2015-05-20 | 2015-09-09 | 中民筑友有限公司 | A kind of prefabricated post with liner plate |
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