CN215829818U - Prefabricated assembled constructional column - Google Patents
Prefabricated assembled constructional column Download PDFInfo
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- CN215829818U CN215829818U CN202122407618.8U CN202122407618U CN215829818U CN 215829818 U CN215829818 U CN 215829818U CN 202122407618 U CN202122407618 U CN 202122407618U CN 215829818 U CN215829818 U CN 215829818U
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Abstract
The utility model discloses a prefabricated constructional column; the steel plate column comprises an upper beam, a lower beam and a column body, wherein the column body comprises a superposition part at the lower part and a cast-in-situ part at the upper part; the overlapping part is formed by overlapping a plurality of prefabricated wide concrete cushion blocks and narrow concrete cushion blocks, and the wide concrete cushion blocks and the narrow concrete cushion blocks are arranged in a staggered way; a plurality of connecting reinforcing steel bars protruding from the top surface of each concrete cushion block are anchored in each concrete cushion block, a plurality of grout anchor sleeves corresponding to the connecting reinforcing steel bars are also anchored in each concrete cushion block, the upper end of each grout anchor sleeve is welded with the lower end of the corresponding connecting reinforcing steel bar, and the lower port of each grout anchor sleeve is positioned on the bottom surface of the concrete cushion block; a plurality of branch guide pipes and a main guide pipe which longitudinally penetrates through the concrete cushion block are also anchored in each concrete cushion block, and the pipe cavity of each slurry anchor sleeve is communicated with the main guide pipe through one branch guide pipe; the top concrete cushion block is sleeved with a mould for casting and tamping the cast-in-situ part, and a pouring hole communicated with the mould cavity is reserved on the upper beam. The constructional column can reduce the on-site pouring amount, and is high in on-site assembly rate and strong in integrity.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a prefabricated assembly type constructional column.
Background
After the main construction of the beam column and the floor slab of the building is finished, secondary construction is required to be carried out continuously, and if a wall is built between the upper floor slab and the lower floor slab. In order to enhance the integrity and stability of a building, the wall body of the multi-layer brick-concrete structure is also required to be internally provided with reinforced concrete constructional columns in the wall building process, and the upper end and the lower end of each constructional column are respectively connected with the upper beam of the upper floor slab and the lower beam of the lower floor slab, so that a space frame capable of resisting bending and shearing is formed to prevent the wall body from collapsing.
The construction method of the constructional column in the prior art comprises the steps of building wall surfaces on the left side and the right side of the constructional column between an upper beam and a lower beam, then binding a reinforcement cage of the constructional column in a gap between the wall surfaces on the two sides, enabling main reinforcements of the reinforcement cage to be in lap joint with upper connecting reinforcements below the upper beam and lower connecting reinforcements above the lower beam, then building front and rear side templates, enabling the wall bodies on the left side and the right side which are built to play a role of a left and right concave-convex template, and finally pouring and tamping constructional column concrete into the gap between the front and rear templates and the left and right wall bodies.
The prior art construction method of the construction column has the following drawbacks. The whole column body is cast in situ, the cast-in-place quantity is large, the construction speed is low, the labor intensity is high, the follow-up construction can be continued only by waiting for the concrete of the constructional column to be dry and hard, the construction period is long, the on-site assembly rate is low, and the large direction of improving the on-site assembly rate advocated by the state is not met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a prefabricated constructional column which can reduce the on-site pouring amount, reduce the labor intensity, shorten the construction period, improve the on-site assembly rate and has strong integrity.
One technical solution of the present invention is to provide a prefabricated construction column; the floor slab comprises an upper beam of an upper floor slab and a lower beam of a lower floor slab, wherein upper connecting steel bars extend out of the bottom surface of the upper beam, and lower connecting steel bars extend out of the top surface of the lower beam; the fabrication column further comprises a column body; the column body comprises a superposition part at the lower part and a cast-in-situ part at the upper part; the overlapping part is formed by overlapping a plurality of prefabricated wide concrete cushion blocks and narrow concrete cushion blocks, and the wide concrete cushion blocks and the narrow concrete cushion blocks are arranged in a staggered way; a plurality of connecting reinforcing steel bars protruding from the top surface of each concrete cushion block are anchored in each concrete cushion block, a plurality of grout anchor sleeves corresponding to the connecting reinforcing steel bars are also anchored in each concrete cushion block, the upper end of each grout anchor sleeve is welded with the lower end of the corresponding connecting reinforcing steel bar, and the lower port of each grout anchor sleeve is positioned on the bottom surface of the concrete cushion block; a plurality of branch guide pipes and a main guide pipe which longitudinally penetrates through the concrete cushion block are also anchored in each concrete cushion block, and the pipe cavity of each slurry anchor sleeve is communicated with the main guide pipe through one branch guide pipe; the concrete cushion block at the uppermost layer is sleeved with a mould for casting and tamping the cast-in-situ part, and a pouring hole communicated with the mould cavity is reserved on the upper beam; the connecting steel bars of the concrete cushion block at the uppermost layer are lapped with the upper connecting steel bars of the upper beam and both the connecting steel bars and the upper connecting steel bars are anchored in the concrete of the cast-in-place part; the connecting reinforcing steel bars of other concrete cushion blocks except the concrete cushion block at the uppermost layer are spliced and anchored with the grout anchor sleeves corresponding to the concrete cushion block at the upper layer; and the lower connecting steel bar of the lower beam is spliced and anchored with the grout anchor sleeve corresponding to the concrete cushion block at the lowest layer.
Compared with the prior art, the prefabricated assembly type constructional column adopting the structure has the following advantages.
The construction process of the construction column is analyzed.
Alternately stacking wide concrete cushion blocks and narrow concrete cushion blocks from a lower beam to the upper part, wherein lower connecting reinforcing steel bars of the lower beam are inserted into grout anchor sleeves at the bottom surfaces of the lowest concrete cushion blocks, and connecting reinforcing steel bars of each concrete cushion block except for the uppermost layer are inserted into grout anchor sleeves at the bottom surfaces of the upper concrete cushion blocks; continuously and alternately stacking upwards until the stacking height is close to the upper beam; connecting reinforcing steel bars of the concrete cushion blocks at the uppermost layer are lapped and bound with connecting reinforcing steel bars on the upper beam, a mould is sleeved on the concrete cushion blocks, and a cavity of the mould is respectively communicated with a pouring hole of the upper beam and a main guide pipe of each concrete cushion block; grouting the pouring hole to enable the grout to flow into the main guide pipe from the pouring hole and the cavity of the mold, wherein the grout in the main guide pipe can enter each corresponding grout anchor sleeve through each branch guide pipe; thus, the upper connecting steel bars and the connecting steel bars of the concrete cushion block at the uppermost layer are lapped and anchored in the concrete of the cast-in-place part; the connecting reinforcing steel bar of each concrete cushion block is fixed with the grout anchor of the grout anchor sleeve at the bottom surface of the concrete cushion block of the previous layer; and the grout anchor fixation of the grout anchor sleeve of the lower beam lower connecting steel bar and the lowest concrete cushion block is realized.
According to the analysis, the concrete cushion blocks are overlapped to form the main body of the constructional column, only the top is of a cast-in-place structure, so that the cast-in-place quantity is obviously reduced, the labor intensity is reduced, the casting quantity is small, the concrete is quickly hardened, and the construction period is obviously shortened; the main bodies of the constructional columns are prefabricated parts, and the method conforms to the national advocated large direction of improving the field assembly rate; moreover, the structure that the wide concrete cushion blocks and the narrow concrete cushion blocks are alternately stacked just fits the concave-convex shapes on the two sides of the constructional column and just fits each building block into the wall; moreover, the comprehensive layout of the main conduit, the branch conduit and the grout anchor sleeve inside each concrete cushion block and the welding arrangement of the grout anchor sleeve and the corresponding connecting reinforcing steel bars enable each concrete cushion block to vertically overlap, so that a complete and continuous grouting system can be quickly constructed, and grout is ensured to flow downwards along the main conduit and enter each corresponding grout anchor sleeve through the branch conduit of each concrete cushion block; the grout can be fully and rapidly spread after primary grouting; thus, each connecting reinforcing steel bar is spliced with the grout anchor sleeve of the previous layer and grouted, the grout anchor sleeve of the previous layer is welded with the connecting reinforcing steel bar of the previous layer, the connecting reinforcing steel bar of the previous layer is spliced with the grout anchor sleeve of the previous layer and grouted by the anchor … …, and a through-long and continuous longitudinal main reinforcement structure is further constructed, so that a vertical row of wide concrete cushion blocks and narrow concrete cushion blocks which are alternately superposed form a complete reinforced concrete structural constructional column, and the integrity and firmness of the constructional column are ensured; moreover, only one grouting is needed, the grout anchor sleeve of the concrete cushion block at the lowest layer and the grout anchor of the connecting steel bar under the lower beam are additionally completed, and similarly, only one grouting is needed and the grout anchor is matched with a mold, so that the connecting steel bar of the concrete cushion block at the uppermost layer and the connecting steel bar on the upper beam are lapped to form the grout anchor; in other words, once grouting is carried out, the constructional column forms a reinforced concrete integral structure, the upper end and the lower end of the constructional column are firmly connected with the upper beam and the lower beam respectively, and then the integral space frame with bending resistance and shearing resistance is formed.
Preferably, the die comprises two channel steel side templates which are bilaterally symmetrical, two flange plates are fixed on two sides of each channel steel side template, the two flange plates of the left channel steel side template are in threaded connection with the two flange plates of the right channel steel side template, and a sealing strip is arranged between the two flange plates in threaded connection; the left and right channel steel side templates are closed to form a complete square template sleeve, the upper opening of the square template sleeve is flush with the bottom surface of the upper beam, the lower opening of the square template sleeve is sleeved on the concrete cushion block at the uppermost layer, and a rectangular sealing ring is arranged between the lower opening of the square template sleeve and the concrete cushion block at the uppermost layer; therefore, the structure is convenient to assemble, and the assembly can be completed only by screwing the left and right channel steel side templates into the square die sleeve and sleeving the sealing strip and the rectangular sealing ring before screwing and closing; the device does not leak slurry and can smoothly pour; more importantly, the device is convenient to disassemble, and after the cast-in-place part is dry and hard, the square die sleeve can be disassembled into two halves only by loosening the bolt; and the two half screwed molds can be recycled, and are economical and environment-friendly.
Preferably, the concrete cushion block at the uppermost layer is a narrow concrete cushion block, and the concrete cushion block at the lowermost layer is a wide concrete cushion block; the top concrete cushion block is narrow, so that the cross section area and the casting amount of the cast-in-place part of the constructional column can be reduced, and the construction period is further shortened; and the width of the concrete cushion block at the lowest layer is selected, so that the stability of the constructional column can be ensured.
Drawings
FIG. 1 is a schematic structural view of a prefabricated construction post of the present invention.
FIG. 2 is a partially exploded schematic view of a prefabricated construction column of the present invention.
Fig. 3 is a cross-sectional view of the prefabricated construction column of the present invention taken along a plane where two rows of the connected reinforcing bars are located.
FIG. 4 is an exploded view of two adjacent concrete blocks of the prefabricated construction column of the present invention.
Fig. 5 is a schematic view of the structure of fig. 4 after being deflected by a certain angle.
FIG. 6 is a schematic view showing the inner structure of a concrete spacer of the prefabricated construction column according to the present invention.
The structure comprises an upper beam 1, an upper beam 2, a lower beam 3, an upper connecting steel bar 4, a lower connecting steel bar 5, a superposition part 6, a cast-in-situ part 7, a wide concrete cushion block 8, a narrow concrete cushion block 9, a connecting steel bar 10, a grout anchor sleeve 11, a branch conduit 12, a main conduit 13, a pouring hole 14, a channel steel side template 15, a flange plate 16, a sealing strip 17 and a rectangular sealing ring.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 1 to 6, the prefabricated constructional column of the present invention includes an upper beam 1 of an upper floor and a lower beam 2 of a lower floor, wherein upper connecting reinforcements 3 extend from a bottom surface of the upper beam 1, and lower connecting reinforcements 4 extend from a top surface of the lower beam 2. The fabrication column further comprises a column body; the column comprises a lower, superimposed portion 5 and an upper, cast-in-place portion 6.
The overlapping part 5 is formed by overlapping a plurality of prefabricated wide concrete cushion blocks 7 and narrow concrete cushion blocks 8, and the wide concrete cushion blocks 7 and the narrow concrete cushion blocks 8 are arranged in a staggered mode.
A plurality of connecting reinforcing steel bars 9 protruding from the top surface of each concrete cushion block are anchored in each concrete cushion block, a plurality of grout anchor sleeves 10 corresponding to the connecting reinforcing steel bars 9 are also anchored in each concrete cushion block, the upper end of each grout anchor sleeve 10 is welded with the lower end of the corresponding connecting reinforcing steel bar 9, and the lower port of each grout anchor sleeve 10 is positioned on the bottom surface of the concrete cushion block where the grout anchor sleeve 10 is positioned. A plurality of branch guide pipes 11 and a main guide pipe 12 which longitudinally penetrates through the concrete cushion block are also anchored in each concrete cushion block, and the pipe cavity of each slurry anchor sleeve 10 is communicated with the main guide pipe 12 through one branch guide pipe 11.
The top concrete cushion block is sleeved with a mould for casting and tamping the cast-in-situ part 6, and a pouring hole 13 communicated with a mould cavity is reserved on the upper beam 1. Specifically, the die comprises two channel steel side templates 14 which are bilaterally symmetrical, two flange plates 15 are fixed on two sides of each channel steel side template 14, the two flange plates 15 of the channel steel side template 14 on the left side are in threaded connection with the two flange plates 15 of the channel steel side template 14 on the right side, and a sealing strip 16 is arranged between the two flange plates 15 in threaded connection; the left and right channel steel side templates 14 are closed to form a complete square template sleeve, the upper opening of the square template sleeve is flush with the bottom surface of the upper beam 1, the lower opening of the square template sleeve is sleeved on the concrete cushion block at the uppermost layer, and a rectangular sealing ring 17 is arranged between the lower opening of the square template sleeve and the concrete cushion block at the uppermost layer.
The square mould sleeve cavity, the integral main conduit 12 formed by communicating all sections of the main conduit 12, all the branch conduits 11 and all the grout anchor sleeves 10 are filled with concrete.
The connecting reinforcing steel bars 9 of the uppermost concrete cushion block are lapped with the upper connecting reinforcing steel bars 3 of the upper beam 1, and the connecting reinforcing steel bars 9 of the upper concrete cushion block and the upper connecting reinforcing steel bars 3 of the upper beam 1 are anchored in the concrete of the cast-in-situ part 6. The connecting reinforcing steel bars 9 of other concrete cushion blocks except the concrete cushion block at the uppermost layer are spliced and anchored with the grout anchor sleeves 10 corresponding to the concrete cushion block at the upper layer. And the lower connecting steel bar 4 of the lower beam 2 is spliced and anchored with the grout anchor sleeve 10 corresponding to the concrete cushion block at the lowest layer.
The top concrete cushion block is a narrow concrete cushion block 8, and the bottom concrete cushion block is a wide concrete cushion block 7.
Claims (3)
1. A prefabricated assembly type constructional column comprises an upper beam (1) of an upper floor slab and a lower beam (2) of a lower floor slab, wherein upper connecting steel bars (3) extend out of the bottom surface of the upper beam (1), and lower connecting steel bars (4) extend out of the top surface of the lower beam (2); the method is characterized in that: it also includes a cylinder; the column body comprises a superposition part (5) at the lower part and a cast-in-situ part (6) at the upper part; the superposition part (5) is formed by superposing a plurality of prefabricated wide concrete cushion blocks (7) and narrow concrete cushion blocks (8), and the wide concrete cushion blocks (7) and the narrow concrete cushion blocks (8) are arranged in a staggered way; a plurality of connecting reinforcing steel bars (9) protruding from the top surface of each concrete cushion block are anchored in each concrete cushion block, a plurality of grout anchor sleeves (10) corresponding to the connecting reinforcing steel bars (9) are also anchored in each concrete cushion block, the upper end of each grout anchor sleeve (10) is welded with the lower end of the corresponding connecting reinforcing steel bar (9), and the lower port of each grout anchor sleeve (10) is positioned on the bottom surface of the concrete cushion block; a plurality of branch guide pipes (11) and a main guide pipe (12) which longitudinally penetrates through the concrete cushion block are also anchored in each concrete cushion block, and the pipe cavity of each slurry anchor sleeve (10) is communicated with the main guide pipe (12) through one branch guide pipe (11); the concrete cushion block at the uppermost layer is sleeved with a mould for casting and tamping the cast-in-situ part (6), and a pouring hole (13) communicated with a mould cavity is reserved on the upper beam (1); the connecting reinforcing steel bars (9) of the concrete cushion block at the uppermost layer are lapped with the upper connecting reinforcing steel bars (3) of the upper beam (1) and both are anchored in the concrete of the cast-in-situ part (6); the connecting reinforcing steel bars (9) of other concrete cushion blocks except the concrete cushion block at the uppermost layer are inserted and anchored with the grout anchor sleeve (10) corresponding to the concrete cushion block at the upper layer; the lower connecting steel bar (4) of the lower beam (2) is inserted and anchored with the grout anchor sleeve (10) corresponding to the concrete cushion block at the lowest layer.
2. The prefabricated building column of claim 1, wherein: the die comprises two channel steel side templates (14) which are bilaterally symmetrical, two flange plates (15) are fixed on two sides of each channel steel side template (14), the two flange plates (15) of the channel steel side template (14) on the left side are in threaded connection with the two flange plates (15) of the channel steel side template (14) on the right side, and a sealing strip (16) is arranged between the two flange plates (15) which are in threaded connection with each other; the left and right channel steel side templates (14) are closed to form a complete square template sleeve, the upper opening of the square template sleeve is flush with the bottom surface of the upper beam (1), the lower opening of the square template sleeve is sleeved on the concrete cushion block at the uppermost layer, and a rectangular sealing ring (17) is arranged between the lower opening of the square template sleeve and the concrete cushion block at the uppermost layer.
3. The prefabricated building column of claim 1, wherein: the concrete cushion block at the uppermost layer is a narrow concrete cushion block (8), and the concrete cushion block at the lowermost layer is a wide concrete cushion block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122407618.8U CN215829818U (en) | 2021-09-30 | 2021-09-30 | Prefabricated assembled constructional column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122407618.8U CN215829818U (en) | 2021-09-30 | 2021-09-30 | Prefabricated assembled constructional column |
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| CN215829818U true CN215829818U (en) | 2022-02-15 |
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| CN202122407618.8U Active CN215829818U (en) | 2021-09-30 | 2021-09-30 | Prefabricated assembled constructional column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126157A (en) * | 2022-08-03 | 2022-09-30 | 华临绿建科技股份有限公司 | Construction method of novel fully-prefabricated constructional column |
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- 2021-09-30 CN CN202122407618.8U patent/CN215829818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126157A (en) * | 2022-08-03 | 2022-09-30 | 华临绿建科技股份有限公司 | Construction method of novel fully-prefabricated constructional column |
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