CN214939185U - Prefabricated stand - Google Patents
Prefabricated stand Download PDFInfo
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- CN214939185U CN214939185U CN202023009429.7U CN202023009429U CN214939185U CN 214939185 U CN214939185 U CN 214939185U CN 202023009429 U CN202023009429 U CN 202023009429U CN 214939185 U CN214939185 U CN 214939185U
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- grouting sleeve
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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 utility model belongs to the technical field of the stand, especially, relate to a prefabricated stand.
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.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide one kind and carried stand overall quality, improve bridge assembly efficiency's prefabricated stand.
In order to achieve the above purpose, the utility model adopts the technical scheme that: 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 utility model, the frame reinforcing bar is including the horizontal reinforcing bar, vertical reinforcing bar and the longitudinal reinforcement that are connected, and the frame reinforcing bar divide into pre-buried section, cushion cap section and the bent cap section that connects gradually from bottom to top.
As an optimized scheme of the utility model, cushion cap grout sleeve group link is in cushion cap section bottom, and pre-buried section top is pegged graft in cushion cap grout sleeve group, and with reason bent cap grout sleeve group link is in bent cap section bottom, and cushion cap section top is pegged graft in bent cap grout sleeve group.
As an optimal scheme of the utility model, all be equipped with first stirrup group on cushion cap grout sleeve group and the cushion cap section, first stirrup group department is equipped with the fluting, and fluting department is equipped with the drain pipe, is equipped with second stirrup group on pre-buried section, bent cap section and the bent cap grout sleeve group.
As a preferred scheme of the utility model, first stirrup group includes first frame shaped steel bar, big trapezoidal steel bar, little trapezoidal steel bar and the first reinforcing bar of buckling, and big trapezoidal steel bar and little trapezoidal steel bar longitudinal connection are on first frame shaped steel bar, and first reinforcing bar transverse connection of buckling is on first frame shaped steel bar.
As a preferred scheme of the utility model, big trapezoidal reinforcing bar and little trapezoidal reinforcing bar symmetry set up in the central both sides of first frame type reinforcing bar, and first reinforcing bar of buckling also symmetry sets up in the central both sides of first frame type reinforcing bar, and first reinforcing bar both ends of buckling are formed with the bending segment of incurving, and little trapezoidal reinforcing bar position is corresponding with the fluting.
As a preferred scheme of the utility model, second stirrup group includes that second frame shaped steel bar, rectangle reinforcing bar and second buckle the reinforcing bar group, and rectangle reinforcing bar longitudinal connection is on second frame shaped steel bar, and the second is buckled reinforcing bar group transverse connection on second frame shaped steel bar.
As an optimized scheme of the utility model, the rectangle reinforcing bar symmetry sets up in the central both sides of second frame shaped steel bar, and the second is buckled reinforcing bar group symmetry and is set up in the central both sides of second frame shaped steel bar, and the second is buckled reinforcing bar group and is included two corresponding second and buckle the reinforcing bar, and the second of the same group is buckled reinforcing bar both ends and is formed with the bending segment of incurving.
As an optimal scheme of the utility model, cushion cap grout sleeve group and bent cap grout sleeve group bottom all are equipped with the mortar bed course.
As an optimized proposal of the utility model, the side surface of the bearing platform section is provided with a reinforcing mesh.
The beneficial effects of the utility model are that, compare with prior art: 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 diagram 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 steel bar 1 comprises a transverse steel bar, a vertical steel bar and a longitudinal steel bar which are connected, and the frame steel bar 1 is divided into an embedded section 1-1, a bearing platform section 1-2 and a cover beam section 1-3 which are connected in sequence 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, and is formed by welding transverse steel bars, vertical steel bars and longitudinal steel bars, wherein the pre-embedded section 1-1, the bearing platform section 1-2 and the cover beam section 1-3 are respectively preformed, and the sizes of the pre-embedded section 1-1, the bearing platform section 1-2 and the cover beam section 1-3 are matched according to the drawing.
The bearing platform grouting sleeve group 4 is fixedly connected to the bottom of the bearing platform section 1-2, the bent cap grouting sleeve group 5 is fixedly connected to the bottom of the bent cap section 1-3, the bearing platform surface 2 is formed at the bottom of the bearing platform grouting sleeve group 4, the bent cap surface 3 is formed at the bottom of the bent cap grouting sleeve group 5, the top of the embedded section 1-1 penetrates through the bearing platform surface 2 to be connected with the bearing platform grouting sleeve group 4, and the top of the bearing platform section 1-2 penetrates through the bent cap surface 3 to be connected with the bent cap grouting sleeve group 5.
Under the action of the capping beam grouting sleeve group 5, the reinforcing steel bars of the bearing platform sections 1-2 and the capping beam sections 1-3 are connected, and similarly, under the action of the bearing platform grouting sleeve group 4, the reinforcing steel bars of the embedded sections 1-1 and the bearing platform sections 1-2 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.
The bearing platform grouting sleeve group 4 is connected to the bottom of the bearing platform section 1-2, the top of the embedded section 1-1 is inserted into the bearing platform grouting sleeve group 4, the bent cap grouting sleeve group 5 is connected to the bottom of the bent cap section 1-3 in the same way, the top of the bearing platform section 1-2 is inserted into the bent cap grouting sleeve group 5, the bearing platform grouting sleeve group 4 and the bearing platform section 1-2 are both provided with a first hoop group 6, the first hoop group 6 is provided with a slot 8, the slot 8 is provided with a drain pipe 10, and the embedded section 1-1, the bent cap section 1-3 and the bent cap grouting sleeve group 5 are provided with a second hoop group 7.
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 side surface of the bearing platform section 1-2 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 in a manner that is inconsistent with the spirit of the 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 stand column 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 (1-2) and a capping beam section (1-3) 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 (1-2), 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 (1-3) in the same way, and the top of the bearing platform section (1-2) 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 (1-2) 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 cap beam section (1-3) and the cap 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 2, characterised in that the bearing segments (1-2) are flanked by steel meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023009429.7U CN214939185U (en) | 2020-12-15 | 2020-12-15 | Prefabricated stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023009429.7U CN214939185U (en) | 2020-12-15 | 2020-12-15 | Prefabricated stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214939185U true CN214939185U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023009429.7U Active CN214939185U (en) | 2020-12-15 | 2020-12-15 | Prefabricated stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214939185U (en) |
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2020
- 2020-12-15 CN CN202023009429.7U patent/CN214939185U/en active Active
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