CN212271212U - Precast concrete frame column - Google Patents
Precast concrete frame column Download PDFInfo
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- CN212271212U CN212271212U CN202021407559.3U CN202021407559U CN212271212U CN 212271212 U CN212271212 U CN 212271212U CN 202021407559 U CN202021407559 U CN 202021407559U CN 212271212 U CN212271212 U CN 212271212U
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- frame column
- post
- layer frame
- longitudinal steel
- steel bars
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Abstract
The utility model discloses a precast concrete frame post belongs to prefabricated assembled concrete structure technical field. The frame post includes upper frame post and lower floor's frame post that the structure is the same, and the top of lower floor's frame post is provided with roof beam and floor. The inside of upper frame post is provided with pre-buried longitudinal reinforcement, and the bottom of upper frame post is pre-buried at least and is provided with a supporting leg, is provided with the gasket between supporting leg and the lower floor's frame post. The longitudinal steel bars of the upper-layer frame column are connected with the longitudinal steel bars of the lower-layer frame column through the extrusion sleeve, a post-pouring section is reserved between the upper-layer frame column and the lower-layer frame column, and the encrypted steel bars are arranged inside the post-pouring section. The utility model adopts the above structure precast concrete frame post can solve the problem that current precast concrete frame post structural installation is hard, with high costs, difficult detection.
Description
Technical Field
The utility model belongs to the technical field of prefabricated concrete structure, especially, relate to a precast concrete frame post.
Background
Prefabricated reinforced concrete frame post of assembled project universal adoption is usually through the grout sleeve injection grouting material mixture of pre-buried in the column base, forms wholly and realizes biography power through the grout sclerosis for upper and lower floor's owner reinforcing bar butt joint connects. When the grouting sleeve is adopted for connection, the installation accuracy of the upper frame column and the lower frame column is high, and the installation is labor-consuming. The inside grout condition of grout sleeve is difficult for observing, detecting, and the quality of attach fitting is difficult to obtain guaranteeing. In addition, during grouting, grouting can be stopped only by uniform outflow of grouting materials from all grout outlets of the grouting sleeve, so that grouting material waste is easily caused, and the production cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a precast concrete frame post solves the problem that current precast concrete frame post structural installation is hard, with high costs, difficult detection.
In order to achieve the purpose, the utility model provides a precast concrete frame column, which comprises an upper layer frame column and a lower layer frame column with the same structure, wherein the top end of the lower layer frame column is provided with a beam and a floor slab;
the embedded longitudinal steel bars are arranged in the upper-layer frame column, the length of the longitudinal steel bars extending out of the top end of the upper-layer frame column is not less than the length of the longitudinal steel bars extending out of the bottom end of the upper-layer frame column, at least one supporting leg is embedded in the bottom end of the upper-layer frame column, the exposed length of the supporting leg is less than the distance between the upper-layer frame column and the lower-layer frame column, and a gasket is arranged between the supporting leg and the lower-layer frame column;
the longitudinal steel bars of the upper-layer frame column and the longitudinal steel bars of the lower-layer frame column are connected through an extrusion sleeve, a post-pouring section is reserved between the upper-layer frame column and the lower-layer frame column, and the encrypted steel bars are arranged inside the post-pouring section.
Preferably, a supporting leg is arranged at the center of the bottom of the upper-layer frame column, and the depth of the supporting leg embedded at the bottom of the upper-layer frame column is not less than 200 mm; seat thick liquids are provided with around the gasket, and the diameter of seat thick liquids is 120mm, and the height of seat thick liquids equals the height of gasket.
Preferably, the longitudinal steel bars are inserted into the extrusion sleeve, and a distance of 6-12mm is arranged between the longitudinal steel bars of the upper frame column and the lower frame column.
Preferably, a plurality of longitudinal steel bars are uniformly arranged around the inner part of the upper-layer frame column.
Preferably, the top end of the upper-layer frame column is provided with a pre-embedded hoisting piece, and the upper part, the middle part and the lower part of each side surface of the upper-layer frame column are provided with pre-embedded oblique supporting pieces.
Preferably, the length of the longitudinal steel bar extending into the lower part of the post-pouring section is 160-180mm, and the length of the longitudinal steel bar extending into the upper part of the post-pouring section is 110-130 mm.
Precast concrete frame post's beneficial effect be:
1. the longitudinal steel bars of the upper-layer frame column and the lower-layer frame column are connected through the extrusion sleeve, a grouting sleeve is not required to be embedded in the bottom end of the frame column, and the frame column is more convenient to prepare.
2. And the extrusion sleeve is adopted for connection, so that grouting operation is avoided, high-price grouting material is avoided, and the cost is reduced.
3. Adopt the extrusion sleeve to connect, it is low to the required precision of butt joint between upper frame post and the lower floor frame post, can realize connecting through the vertical reinforcing bar of fine setting, convenient operation has guaranteed construction quality.
4. The effect of being connected of extrusion sleeve and vertical reinforcing bar can be judged through the indentation on extrusion sleeve surface, and it is convenient to detect.
5. The connection between the upper frame column and the lower frame column does not occupy a key line, does not influence subsequent construction, and is beneficial to shortening the construction period.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a precast concrete frame column according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic view of the upper frame column of the embodiment of the precast concrete frame column of the present invention.
Reference numerals
1. Upper frame columns; 2. a lower frame column; 3. a floor slab; 4. longitudinal reinforcing steel bars; 5. post-pouring section; 6. extruding the sleeve; 7. supporting legs; 8. a gasket; 9. a beam; 10. reinforcing steel bars are encrypted; 11. hoisting a piece; 12. And a support member.
Detailed Description
Examples
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.
Fig. 1 is the utility model relates to a structural schematic of the embodiment of precast concrete frame post, fig. 2 is a partial enlargements in the attached drawing 1, and fig. 3 is the utility model relates to an upper strata frame post of the embodiment of precast concrete frame post is faced upward structural schematic. As shown in the figure, a prefabricated assembled concrete frame post, includes the same upper frame post 1 of structure and lower floor frame post 2, and the top of lower floor frame post 2 is provided with roof beam 9 and floor 3, and current connected mode is chooseed for use to roof beam 9 and floor 3 and the connected mode of lower floor frame post 2. The upper-layer frame column 1 and the lower-layer frame column 2 have the same structure, and large-scale production of the frame columns is facilitated. The structure of the frame post is described by taking the frame post 1 of the upper layer as an example. The inside of upper frame post 1 is provided with pre-buried longitudinal reinforcement 4 to improve the intensity of upper frame post 1. Vertical reinforcing bar 4 is in the even distribution around the inside of upper frame post 1, and the inside of four sides of upper frame post 1 respectively is provided with 2 vertical reinforcing bars 4 in this embodiment, and 4 edges of upper frame post 1 respectively are provided with 1 vertical reinforcing bar 4.
The length of the longitudinal steel bar 4 extending out of the top end of the upper-layer frame column 1 is not less than the length of the longitudinal steel bar 4 extending out of the bottom end of the upper-layer frame column 1, preferably, the length of the longitudinal steel bar extending into the lower part of the post-pouring section is 180mm, the length of the longitudinal steel bar extending into the upper part of the post-pouring section is 110 mm and 130mm, and the height of the post-pouring section is 300 mm. The length that vertical reinforcing bar 4 stretches out floor 3 is greater than the length that vertical reinforcing bar 4 in 1 bottom of upper frame post stretches out, makes things convenient for the extrusion of extrusion equipment.
The bottom of upper frame post 1 is pre-buried at least and is provided with a supporting leg 7, and the bottom of upper frame post 1 is provided with a supporting leg 7 in this embodiment, and supporting leg 7 is located the central point department of 1 bottom of upper frame post. The supporting legs 7 are made of DN100 steel pipes, and concrete which is the same as the upper-layer frame columns 1 is filled in the supporting legs. The pre-buried degree of depth of supporting leg 7 in the bottom of upper frame post 1 is not less than 200 mm.
The length that exposes of supporting leg 7 is less than the distance between upper frame post 1 and the 2 upper surfaces of lower floor's frame post, is provided with gasket 8 between supporting leg 7 and the lower floor's frame post 2, and gasket 8 is the steel sheet, can adjust the distance between upper frame post 1 and the lower floor's frame post 2 through gasket 8 to guarantee that supporting leg 7 and lower floor's frame post 2 closely contact. Seat slurry is arranged around the gasket 8, and the seat slurry is ash cake with the thickness of 120 mm. The height of the seat paste is equal to the height of the shim 8. The top of upper frame post 1 is provided with pre-buried hoist and mount piece 11, convenient hoist and mount. The upper portion, the middle part and the lower part of each side of upper frame post 1 all are provided with pre-buried diagonal bracing piece 12, realize fixing upper frame post 1 through the diagonal bracing.
The longitudinal steel bar 4 of the lower part of the upper frame column 1 is connected with the longitudinal steel bar 4 of the upper part of the lower frame column 2 through the extrusion sleeve 6, the longitudinal steel bar 4 is inserted into the extrusion sleeve 6, and a distance of 6-12mm is arranged between the longitudinal steel bar 4 of the upper frame column 1 and the longitudinal steel bar 4 of the lower frame column 2. The junction of upper frame post 1 and lower floor frame post 2 leaves post-cast section 5 in advance, and post-cast section 5 adopts self-compaction concrete placement to form, and the inside of post-cast section 5 is provided with the encrypted reinforcing bar 10 of horizontal direction, improves the intensity of post-cast section 5. The height of the post-pouring section 5 is 300mm, so that the operation of the extrusion equipment is convenient. The height of the post-cast section 5 can be adjusted according to the size of the extrusion equipment, and is not limited to the height.
The construction method of the precast concrete frame column comprises the following steps:
s1, measuring and paying off, and ejecting contour lines, axis lines, middle lines and control lines.
And S2, performing rough surface treatment on the mounting position of the upper-layer frame column 1.
S3, placing a steel gasket 8 at the position of the support leg 7 of the upper-layer frame column 1 at the top end of the lower-layer frame column according to the design height, arranging seat slurry around the steel gasket 8, wherein the diameter of the seat slurry is 120mm, and the height of the seat slurry is equal to the height of the steel gasket 8; and an extrusion sleeve 6 is sleeved on the top longitudinal steel bar 4 of the lower-layer frame column 2.
S4, hoisting the upper frame column 1 to the installation position, adjusting the position of the upper frame column 1, aligning the longitudinal steel bar 4 of the upper frame column 1 with the longitudinal steel bar 4 of the lower frame column 2, placing the support leg 7 on the gasket 8, installing the inclined support, and fixing the upper frame column 1.
S5, adjusting the position of the extrusion sleeve 6, finely adjusting the angle of the longitudinal steel bar 4 at the bottom end of the upper-layer frame column 1, inserting the longitudinal steel bar 4 at the upper bottom end of the upper-layer frame column 1 into the extrusion sleeve 6, and then extruding and connecting the extrusion sleeve 6 and the longitudinal steel bar 4 together through extrusion equipment. The connecting effect of the extrusion sleeve 6 and the longitudinal steel bar 4 is judged by observing the indentation on the surface of the extrusion sleeve 6.
S6, bundling horizontal reinforcing steel bars 10 on a post-pouring section 5 at the joint of the upper-layer frame column 1 and the lower-layer frame column 2, supporting a template, pouring self-compacting concrete on the post-pouring section 5, wherein the post-pouring section 5 is in the same plane with the surfaces of the upper-layer frame column 1 and the lower-layer frame column 2.
Therefore, the utility model adopts the above structure precast concrete frame post, can solve the problem that current precast concrete frame post structural installation is hard, with high costs, difficult detection.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. A precast concrete frame post which characterized in that: the structure of the beam is characterized by comprising an upper layer frame column and a lower layer frame column which have the same structure, wherein the top end of the lower layer frame column is provided with a beam and a floor slab;
the embedded longitudinal steel bars are arranged in the upper-layer frame column, the length of the longitudinal steel bars extending out of the top end of the upper-layer frame column is not less than the length of the longitudinal steel bars extending out of the bottom end of the upper-layer frame column, at least one supporting leg is embedded in the bottom end of the upper-layer frame column, the exposed length of the supporting leg is less than the distance between the upper-layer frame column and the lower-layer frame column, and a gasket is arranged between the supporting leg and the lower-layer frame column;
the longitudinal steel bars of the upper-layer frame column and the longitudinal steel bars of the lower-layer frame column are connected through an extrusion sleeve, a post-pouring section is reserved between the upper-layer frame column and the lower-layer frame column, and the encrypted steel bars are arranged inside the post-pouring section.
2. A precast concrete frame column according to claim 1, wherein: a supporting leg is arranged at the center of the bottom of the upper-layer frame column, and the embedded depth of the supporting leg at the bottom of the upper-layer frame column is not less than 200 mm; seat thick liquids are provided with around the gasket, and the diameter of seat thick liquids is 120mm, and the height of seat thick liquids equals the height of gasket.
3. A precast concrete frame column according to claim 1, wherein: the longitudinal steel bars are inserted into the extrusion sleeve, and a distance of 6-12mm is arranged between the longitudinal steel bars of the upper layer frame column and the lower layer frame column.
4. A precast concrete frame column according to claim 1, wherein: a plurality of longitudinal steel bars are uniformly arranged around the inner portion of the upper-layer frame column.
5. A precast concrete frame column according to claim 1, wherein: the top of upper frame post is provided with pre-buried hoist and mount piece, and the upper portion, middle part and the lower part of each side of upper frame post all are provided with pre-buried slant support piece.
6. A precast concrete frame column according to claim 1, wherein: the length of the longitudinal steel bar extending into the lower part of the post-pouring section is 160-180mm, and the length of the longitudinal steel bar extending into the upper part of the post-pouring section is 110-130 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407559.3U CN212271212U (en) | 2020-07-16 | 2020-07-16 | Precast concrete frame column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407559.3U CN212271212U (en) | 2020-07-16 | 2020-07-16 | Precast concrete frame column |
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| CN212271212U true CN212271212U (en) | 2021-01-01 |
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| CN202021407559.3U Active CN212271212U (en) | 2020-07-16 | 2020-07-16 | Precast concrete frame column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467515A (en) * | 2022-09-21 | 2022-12-13 | 中建七局安装工程有限公司 | Ultrahigh frame column construction structure and ultrahigh frame column construction method |
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2020
- 2020-07-16 CN CN202021407559.3U patent/CN212271212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467515A (en) * | 2022-09-21 | 2022-12-13 | 中建七局安装工程有限公司 | Ultrahigh frame column construction structure and ultrahigh frame column construction method |
| CN115467515B (en) * | 2022-09-21 | 2023-08-15 | 中建七局安装工程有限公司 | Ultra-high frame column construction structure and ultra-high frame column construction method |
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