CN112502026A - Prefabricated stand - Google Patents
Prefabricated stand Download PDFInfo
- Publication number
- CN112502026A CN112502026A CN202011479704.3A CN202011479704A CN112502026A CN 112502026 A CN112502026 A CN 112502026A CN 202011479704 A CN202011479704 A CN 202011479704A CN 112502026 A CN112502026 A CN 112502026A
- Authority
- CN
- China
- Prior art keywords
- steel bar
- frame
- bearing platform
- grouting sleeve
- sleeve group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 199
- 239000010959 steel Substances 0.000 claims abstract description 199
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 239000011440 grout Substances 0.000 abstract description 22
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A prefabricated upright post comprises a grouting sleeve group, a frame steel bar and concrete, wherein the grouting sleeve group is connected to the frame steel bar, and the concrete is filled in the frame steel bar; the upper end and the lower end of the frame steel bar form a bearing platform surface and a capping beam surface respectively, and the frame steel bar penetrates through the bearing platform surface and the capping beam surface; the grouting sleeve group comprises a bearing platform grouting sleeve group and a capping beam grouting sleeve group, the bearing platform grouting sleeve group is positioned on the framework steel bar above the bearing platform surface, and the capping beam grouting sleeve group is positioned on the framework steel bar above the bearing platform surface; compared with the prior art, through prefabricated pre-buried section, bearing platform section and bent cap section alone, grout sleeve installs between pre-buried section, bearing platform section and bent cap section, the required precision when guaranteeing to dock with bent cap, bearing platform. The framework steel bars are processed on the tire seats, the distance and the position of the stirrups are guaranteed, the position accuracy of the embedded part is guaranteed, the stress performance and the safety are improved, and the drainage holes are reserved in the bearing platform section, so that drainage of the stand columns and the cover beams is facilitated.
Description
Technical Field
The invention belongs to the technical field of stand columns, and particularly relates to a prefabricated stand column.
Background
The prefabricated upright post product has wide application value in the fields of bridge construction and construction research, but the traditional cast-in-place upright post product is difficult to guarantee on the precision requirement of components, and the accurate splicing of the cover beam, the upright post and the small box beam cannot be realized. Meanwhile, the requirement on site construction conditions is high, and the living conditions and traffic conditions of surrounding residents are influenced to a certain extent.
The existing cast-in-place bent cap has the following defects: 1. the stirrup spacing, the main reinforcement spacing and the embedded part position of the reinforcement cage assembled on site are difficult to control accurately, so that the stress condition of a poured finished product has deviation from a design drawing, and the safety of the bridge is reduced; 2. the next procedure can be carried out only after the strength of concrete of the cast-in-place upright column reaches the strength standard, so that the construction period is prolonged and the cost is increased; 3. the on-site reinforcement cage binding needs workers with professional knowledge to bind, and is high in labor cost, low in speed and low in efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a prefabricated upright post which is used for improving the integral quality of the upright post and improving the assembly efficiency of a bridge.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a prefabricated upright post comprises a grouting sleeve group, a frame steel bar and concrete, wherein the grouting sleeve group is connected to the frame steel bar, and the concrete is filled in the frame steel bar; the upper end and the lower end of the frame steel bar form a bearing platform surface and a capping beam surface respectively, and the frame steel bar penetrates through the bearing platform surface and the capping beam surface; the grouting sleeve group comprises a bearing platform grouting sleeve group and a capping beam grouting sleeve group, the bearing platform grouting sleeve group is positioned on the framework steel bar above the bearing platform surface, and the capping beam grouting sleeve group is positioned on the framework steel bar above the bearing platform surface; a first stirrup group connected with the frame steel bars is arranged at the bearing platform grouting sleeve group, and a second stirrup group connected with the frame steel bars is arranged at the capping beam grouting sleeve group; and the framework steel bars at the upper end and the lower end of the grouting sleeve group are assembled through the grouting sleeve group.
As a preferred scheme of the invention, the framework steel bars comprise transverse steel bars, vertical steel bars and longitudinal steel bars which are connected, and the framework steel bars are divided into an embedded section, a bearing platform section and a cover beam section which are sequentially connected from bottom to top.
As a preferred scheme of the present invention, the bearing platform grouting sleeve group is connected to the bottom of the bearing platform section, the top of the pre-buried section is inserted into the bearing platform grouting sleeve group, the capping beam grouting sleeve group is connected to the bottom of the capping beam section, and the top of the bearing platform section is inserted into the capping beam grouting sleeve group.
According to a preferable scheme of the invention, the bearing platform grouting sleeve group and the bearing platform section are respectively provided with a first stirrup group, the first stirrup group is provided with a slot, the slot is provided with a drain pipe, and the embedded section, the capping beam section and the capping beam grouting sleeve group are respectively provided with a second stirrup group.
As a preferred embodiment of the present invention, the first stirrup set includes a first frame-shaped steel bar, a large trapezoidal steel bar, a small trapezoidal steel bar, and a first bent steel bar, the large trapezoidal steel bar and the small trapezoidal steel bar are longitudinally connected to the first frame-shaped steel bar, and the first bent steel bar is transversely connected to the first frame-shaped steel bar.
As a preferred scheme of the present invention, the large trapezoidal steel bars and the small trapezoidal steel bars are symmetrically disposed at two sides of the center of the first frame-shaped steel bars, the first bent steel bars are also symmetrically disposed at two sides of the center of the first frame-shaped steel bars, two ends of the first bent steel bars are formed with bending sections that are bent inward, and the positions of the small trapezoidal steel bars correspond to the slots.
As a preferred embodiment of the present invention, the second stirrup set includes a second frame-shaped steel bar, a rectangular steel bar and a second bent steel bar set, the rectangular steel bar is longitudinally connected to the second frame-shaped steel bar, and the second bent steel bar set is transversely connected to the second frame-shaped steel bar.
As a preferred scheme of the present invention, the rectangular reinforcing bars are symmetrically disposed on two sides of a center of the second frame-shaped reinforcing bar, the second bending reinforcing bar groups are symmetrically disposed on two sides of a center of the second frame-shaped reinforcing bar, each second bending reinforcing bar group includes two corresponding second bending reinforcing bars, and two ends of the second bending reinforcing bars in the same group are formed with bending sections that are bent inward.
As a preferable scheme of the invention, the bottoms of the bearing platform grouting sleeve group and the bent cap grouting sleeve group are respectively provided with a mortar cushion layer.
As a preferable scheme of the invention, a steel bar net piece is arranged on the side surface of the bearing platform section.
Compared with the prior art, the invention has the beneficial effects that: through prefabricated pre-buried section, cushion cap section and bent cap section alone, grout sleeve installs between pre-buried section, cushion cap section and bent cap section, the required precision when guaranteeing to dock with bent cap, cushion cap. The framework steel bars are processed on the tire seats, the distance and the position of the stirrups are guaranteed, the position accuracy of the embedded part is guaranteed, the stress performance and the safety are improved, the drainage holes are reserved in the bearing platform section, drainage of the stand columns and the cover beams is facilitated, and the stirrups on the bearing platform section are arranged according to the drainage holes.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of the bearing platform face and the bearing platform grouting sleeve set;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a cross-sectional view taken along plane C-C of FIG. 1;
FIG. 6 is a cross-sectional view taken along plane D-D of FIG. 1;
FIG. 7 is a schematic view of the first stirrup set;
FIG. 8 is a schematic view of the second stirrup set;
FIG. 9 is an enlarged view of a portion of FIG. 1 at A;
FIG. 10 is an enlarged view of a portion of FIG. 1 at B;
FIG. 11 is a schematic structural view of a cap grouting sleeve;
FIG. 12 is a schematic view of the installation of a drain pipe;
reference numbers in the figures: the concrete pile comprises frame steel bars 1, a bearing platform surface 2, a capping beam surface 3, a bearing platform grouting sleeve group 4, a capping beam grouting sleeve group 5, a first stirrup group 6, a first frame-shaped steel bar 6-1, a large trapezoid steel bar 6-2, a small trapezoid steel bar 6-3, a first bent steel bar 6-4, a second stirrup group 7, a second frame-shaped steel bar 7-1, a rectangular steel bar 7-2, a second bent steel bar group 7-3, a second bent steel bar 7-4, a groove 8, a mortar cushion layer 9 and a drain pipe 10.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 to 12, a prefabricated column includes a grouting sleeve set, a frame steel bar 1 and concrete, the grouting sleeve set is connected to the frame steel bar 1, and the concrete is filled in the frame steel bar 1; the upper end and the lower end of the frame steel bar 1 form a bearing platform surface 2 and a capping beam surface 3 respectively, and the frame steel bar 1 penetrates through the bearing platform surface 2 and the capping beam surface 3; the grouting sleeve group comprises a bearing platform grouting sleeve group 4 and a capping beam grouting sleeve group 5, wherein the bearing platform grouting sleeve group 4 is positioned on the frame steel bar 1 above the bearing platform surface 2, and the capping beam grouting sleeve group 5 is positioned on the frame steel bar 1 above the bearing platform surface 2; a first stirrup group 6 connected with the frame steel bar 1 is arranged at the position of the bearing platform grouting sleeve group 4, and a second stirrup group 7 connected with the frame steel bar 1 is arranged at the position of the capping beam grouting sleeve group 5; and the framework steel bars 1 at the upper end and the lower end of the grouting sleeve group are assembled through the grouting sleeve group.
The frame reinforcing steel bar 1 comprises a transverse reinforcing steel bar, a vertical reinforcing steel bar and a longitudinal reinforcing steel bar which are connected, and the frame reinforcing steel bar 1 is divided into an embedded section 1-1, a bearing platform section 2 and a cover beam section 3 which are sequentially connected from bottom to top.
The frame steel bar 1 is provided with a frame structure of the stand column according to an actual design drawing, the pre-embedded section 1-1, the bearing platform section 2 and the cover beam section 3 are respectively prefabricated and formed through welding forming among the transverse steel bar, the vertical steel bar and the longitudinal steel bar, and the sizes of the pre-embedded section 1-1, the bearing platform section 2 and the cover beam section 3 are matched according to the drawing setting.
Bearing platform grout sleeve group 4 fixed connection is in 2 bottoms of bearing platform section, and bent cap grout sleeve group 5 fixed connection is in 3 bottoms of bent cap section, and bearing platform grout sleeve group 4 bottoms form bearing platform face 2, and bent cap grout sleeve group 5 bottoms form bent cap face 3, and pre-buried section 1-1 top is passed bearing platform face 2 and is linked to each other with bearing platform grout sleeve group 4, and bearing platform section 2 top is passed bent cap face 3 and is linked to each other with bent cap grout sleeve group 5.
And under the action of the capping beam grouting sleeve group 5, the reinforcing steel bars of the bearing platform section 2 and the capping beam section 3 are connected, and similarly, under the action of the bearing platform grouting sleeve group 4, the reinforcing steel bars of the embedded section 1-1 and the bearing platform section 2 are connected.
The quantity and the arrangement relation of the bearing platform grouting sleeve group 4 and the capping beam grouting sleeve group 5 are set according to the quantity and the arrangement relation of vertical steel bars, the bearing platform grouting sleeve group 4 and the capping beam grouting sleeve group 5 are sleeved on the vertical steel bars, and the bearing platform grouting sleeve group 4 and the capping beam grouting sleeve group 5 are positioned under the action of the first stirrup group 6 and the second stirrup group 7.
The structure of cushion cap grout sleeve group 4 is the same with the structure of bent cap grout sleeve group 5, and use cushion cap grout sleeve group 4 as an example, cushion cap grout sleeve is hollow structure, and both ends all are established the grafting and have had the reinforcing bar about the cushion cap grout sleeve, and both ends all are pegged graft about the cushion cap grout sleeve and have prefabricated end reinforcing bar.
Cushion cap grout sleeve group 4 is connected in 2 bottoms on the cushion cap section, pre-buried section 1-1 top is pegged graft in cushion cap grout sleeve group 4, the bent cap grout sleeve group 5 is connected in 3 bottoms on the bent cap section with the principle, peg graft in bent cap grout sleeve group 5 on 2 tops on the cushion cap section, all be equipped with first stirrup group 6 on cushion cap grout sleeve group 4 and the cushion cap section 2, 6 departments of first stirrup group are equipped with fluting 8, 8 departments of fluting are equipped with drain pipe 10, pre-buried section 1-1, be equipped with second stirrup group 7 on bent cap section 3 and the bent cap grout sleeve group 5.
The first stirrup group 6 comprises a first frame-shaped steel bar 6-1, a large trapezoidal steel bar 6-2, a small trapezoidal steel bar 6-3 and a first bent steel bar 6-4, the large trapezoidal steel bar 6-2 and the small trapezoidal steel bar 6-3 are longitudinally connected to the first frame-shaped steel bar 6-1, the first bent steel bar 6-4 is transversely connected to the first frame-shaped steel bar 6-1, and the first frame-shaped steel bar 6-1, the large trapezoidal steel bar 6-2, the small trapezoidal steel bar 6-3 and the first bent steel bar 6-4 are fixed through welding.
The first frame-shaped steel bar 6-1 is of a rectangular structure, round corners are formed at the corners of the first frame-shaped steel bar 6-1 and correspond to the vertical steel bars, the first frame-shaped steel bar 6-1 is horizontally arranged on the frame steel bar 1, small end faces and large end faces are formed on the large trapezoidal steel bar 6-2 and the small trapezoidal steel bar 6-3, the large end faces of the large trapezoidal steel bar 6-2 and the small trapezoidal steel bar 6-3 are arranged in parallel, two ends of the large trapezoidal steel bar 6-2 and two ends of the small trapezoidal steel bar 6-3 are connected to opposite side edges of the first frame-shaped steel bar 6-1, and two ends of the large trapezoidal steel bar 6-2 and two ends of the small trapezoidal steel bar 6-3 extend outwards towards opposite side edges of the first frame-shaped steel bar 6-1.
The small end faces of the large trapezoidal steel bar 6-2 and the small trapezoidal steel bar 6-3 face opposite side edges of the first frame-shaped steel bar 6-1, the small end face of the large trapezoidal steel bar 6-2 is connected with the side edge of the first frame-shaped steel bar 6-1, and the small end face of the small reminding steel bar 6-3 is not connected with the side edge of the first frame-shaped steel bar 6-1.
The large trapezoidal steel bars 6-2 and the small trapezoidal steel bars 6-3 are symmetrically arranged at two sides of the center of the first frame-shaped steel bars 6-1, the first bent steel bars 6-4 are also symmetrically arranged at two sides of the center of the first frame-shaped steel bars 6-1, bending sections which are bent inwards are formed at two ends of the first bent steel bars 6-4, and the positions of the small trapezoidal steel bars 6-3 correspond to the slots 8.
The symmetrically arranged first bent reinforcing steel bars 6-4 are arranged in parallel, the first bent reinforcing steel bars 6-4 are perpendicular to the large trapezoidal reinforcing steel bars 6-2 and the small trapezoidal reinforcing steel bars 6-3, the inward bent sections of the first bent reinforcing steel bars 6-4 are connected with the side edges of the first frame-shaped reinforcing steel bars 6-1, the small end face grooves 8 of the small trapezoidal reinforcing steel bars 6-3 correspond to each other, and the grooves 8 are provided with vertically arranged drain pipes 10.
The second stirrup group 7 comprises a second frame-shaped steel bar 7-1, rectangular steel bars 7-2 and a second bent steel bar group 7-3, the rectangular steel bars 7-2 are longitudinally connected to the second frame-shaped steel bar 7-1, the second bent steel bar group 7-3 is transversely connected to the second frame-shaped steel bar 7-1, the rectangular steel bars 7-2 are symmetrically arranged on two sides of the center of the second frame-shaped steel bar 7-1, the second bent steel bar group 7-3 is symmetrically arranged on two sides of the center of the second frame-shaped steel bar 7-1, the second bent steel bar group 7-3 comprises two corresponding second bent steel bars 7-4, and inwards bent bending sections are formed at two ends of the second bent steel bars 7-4 in the same group.
The second frame-shaped steel bar 7-1 is of a rectangular structure, a fillet is formed at the corner of the second frame-shaped steel bar 7-1 and corresponds to the vertical steel bar, the second frame-shaped steel bar 7-1 is horizontally arranged on the frame steel bar 1, the oppositely arranged rectangular steel bars 7-2 are arranged in parallel, two ends of the oppositely arranged rectangular steel bars 7-2 are connected to opposite sides of the second frame-shaped steel bar 7-1, and two ends of the oppositely arranged rectangular steel bars 7-2 extend outwards towards opposite sides of the second frame-shaped steel bar 7-1.
The second frame-shaped steel bars 7-1 are provided with 4 second bent steel bars 7-4, two second bent steel bar groups 7-3 are formed in a pairwise correspondence mode, two ends of each second bent steel bar group 7-3 extend outwards towards opposite side edges of the second frame-shaped steel bars 7-1, and the second frame-shaped steel bars 7-1, the rectangular steel bars 7-2 and the second bent steel bar groups 7-3 are fixed through welding.
The bottoms of the bearing platform grouting sleeve group 4 and the bent cap grouting sleeve group 5 are respectively provided with a mortar cushion layer 9, the bottoms of the bearing platform grouting sleeve group 4 and the bent cap grouting sleeve group 5 are provided with 20mm mortar cushion layers 9, and the bearing platform grouting sleeve group 4 and the bent cap grouting sleeve group 5 are conveniently connected with the frame steel bars 1.
The lateral surface of the bearing platform section 2 is provided with a steel bar net sheet.
The bearing platform grouting sleeve group 4 and the capping beam grouting sleeve group 5 are filled with high-strength mortar, and the fluidity of the high-strength mortar is more than or equal to 300 mm; the expansion rate is 0-0.5%, the compressive strength meets the requirements that the compressive strength of 1-day age is more than or equal to 35MPa, the compressive strength of 28-day age is more than or equal to 100MPa, and the construction time is more than 30min after stirring.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the concrete structure comprises terms such as a frame steel bar 1, a bearing platform surface 2, a capping beam surface 3, a bearing platform grouting sleeve group 4, a capping beam grouting sleeve group 5, a first stirrup group 6, a first frame-shaped steel bar 6-1, a large trapezoid steel bar 6-2, a small trapezoid steel bar 6-3, a first bent steel bar 6-4, a second stirrup group 7, a second frame-shaped steel bar 7-1, a rectangular steel bar 7-2, a second bent steel bar group 7-3, a second bent steel bar 7-4, a groove 8, a mortar cushion layer 9, a drain pipe 10 and the like, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A prefabricated upright post comprises a grouting sleeve group, frame steel bars (1) and concrete, wherein the grouting sleeve group is connected to the frame steel bars (1), and the concrete is filled in the frame steel bars (1); the frame steel bar fixing structure is characterized in that the upper end and the lower end of the frame steel bar (1) form a bearing platform surface (2) and a capping beam surface (3) respectively, and the frame steel bar (1) penetrates through the bearing platform surface (2) and the capping beam surface (3); the grouting sleeve group comprises a bearing platform grouting sleeve group (4) and a capping beam grouting sleeve group (5), wherein the bearing platform grouting sleeve group (4) is positioned on the frame steel bar (1) above the bearing platform surface (2), and the capping beam grouting sleeve group (5) is positioned on the frame steel bar (1) above the bearing platform surface (2); a first stirrup set (6) connected with the frame steel bar (1) is arranged at the bearing platform grouting sleeve set (4), and a second stirrup set (7) connected with the frame steel bar (1) is arranged at the capping beam grouting sleeve set (5); and the framework steel bars (1) at the upper end and the lower end of the grouting sleeve group are assembled through the grouting sleeve group.
2. The prefabricated upright post of claim 1, wherein the frame steel bars (1) comprise transverse steel bars, vertical steel bars and longitudinal steel bars which are connected, and the frame steel bars (1) are divided into an embedded section (1-1), a bearing platform section (2) and a capping beam section (3) which are sequentially connected from bottom to top.
3. The prefabricated stand column as claimed in claim 1, wherein the bearing platform grouting sleeve group (4) is connected to the bottom of the bearing platform section (2), the top of the embedded section (1-1) is inserted into the bearing platform grouting sleeve group (4), the capping beam grouting sleeve group (5) is connected to the bottom of the capping beam section (3) in the same way, and the top of the bearing platform section (2) is inserted into the capping beam grouting sleeve group (5).
4. The prefabricated stand column of claim 1, wherein the bearing platform grouting sleeve group (4) and the bearing platform section (2) are respectively provided with a first stirrup group (6), a slot (8) is formed in the first stirrup group (6), a drain pipe (10) is arranged in the slot (8), and a second stirrup group (7) is arranged on the embedded section (1-1), the capping beam section (3) and the capping beam grouting sleeve group (5).
5. The prefabricated column of claim 1, wherein the first stirrup set (6) comprises a first frame-shaped steel bar (6-1), a large trapezoidal steel bar (6-2), a small trapezoidal steel bar (6-3) and a first bent steel bar (6-4), the large trapezoidal steel bar (6-2) and the small trapezoidal steel bar (6-3) are longitudinally connected to the first frame-shaped steel bar (6-1), and the first bent steel bar (6-4) is transversely connected to the first frame-shaped steel bar (6-1).
6. The prefabricated column of claim 5, wherein the large trapezoidal steel bars (6-2) and the small trapezoidal steel bars (6-3) are symmetrically arranged at two sides of the center of the first frame-shaped steel bars (6-1), the first bent steel bars (6-4) are also symmetrically arranged at two sides of the center of the first frame-shaped steel bars (6-1), two ends of the first bent steel bars (6-4) are provided with bending sections which are bent inwards, and the positions of the small trapezoidal steel bars (6-3) correspond to the grooves (8).
7. A prefabricated column according to claim 1, wherein said second stirrup set (7) comprises a second frame-shaped steel bar (7-1), a rectangular steel bar (7-2) and a second bent steel bar set (7-3), the rectangular steel bar (7-2) is longitudinally connected to the second frame-shaped steel bar (7-1), and the second bent steel bar set (7-3) is transversely connected to the second frame-shaped steel bar (7-1).
8. The prefabricated column of claim 7, wherein the rectangular reinforcing steel bars (7-2) are symmetrically arranged at two sides of the center of the second frame-shaped reinforcing steel bars (7-1), the second bending reinforcing steel bar groups (7-3) are symmetrically arranged at two sides of the center of the second frame-shaped reinforcing steel bars (7-1), each second bending reinforcing steel bar group (7-3) comprises two corresponding second bending reinforcing steel bars (7-4), and bending sections which are bent inwards are formed at two ends of the second bending reinforcing steel bars (7-4) in the same group.
9. The prefabricated column according to claim 1, wherein the bottoms of the bearing platform grouting sleeve group (4) and the capping beam grouting sleeve group (5) are provided with mortar cushion layers (9).
10. Prefabricated column according to claim 1, characterized in that the sides of the bearing segments (2) are provided with a steel mesh.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011479704.3A CN112502026A (en) | 2020-12-15 | 2020-12-15 | Prefabricated stand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011479704.3A CN112502026A (en) | 2020-12-15 | 2020-12-15 | Prefabricated stand |
Publications (1)
Publication Number | Publication Date |
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CN112502026A true CN112502026A (en) | 2021-03-16 |
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Family Applications (1)
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CN202011479704.3A Pending CN112502026A (en) | 2020-12-15 | 2020-12-15 | Prefabricated stand |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113215957A (en) * | 2021-04-15 | 2021-08-06 | 绍兴市城投建筑工业化制造有限公司 | Prefabricated stand |
CN116377846A (en) * | 2023-04-24 | 2023-07-04 | 中铁一局集团市政环保工程有限公司 | Bridge pier construction structure and method |
-
2020
- 2020-12-15 CN CN202011479704.3A patent/CN112502026A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113215957A (en) * | 2021-04-15 | 2021-08-06 | 绍兴市城投建筑工业化制造有限公司 | Prefabricated stand |
CN116377846A (en) * | 2023-04-24 | 2023-07-04 | 中铁一局集团市政环保工程有限公司 | Bridge pier construction structure and method |
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