CN214461801U - Prestressed concrete bent frame column - Google Patents
Prestressed concrete bent frame column Download PDFInfo
- Publication number
- CN214461801U CN214461801U CN202022952579.5U CN202022952579U CN214461801U CN 214461801 U CN214461801 U CN 214461801U CN 202022952579 U CN202022952579 U CN 202022952579U CN 214461801 U CN214461801 U CN 214461801U
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- Prior art keywords
- cylinder
- prestressed
- reinforcing bar
- anchor
- fixed connection
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 54
- 210000002435 tendon Anatomy 0.000 claims abstract description 34
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000004567 concrete Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 239000011440 grout Substances 0.000 claims description 9
- 238000005336 cracking Methods 0.000 abstract description 12
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a prestressed concrete bent frame column, which comprises an upper column body, wherein the lower end of the upper column body is provided with a lower column body, the lower end of the lower column body is provided with a column body base, a prestressed casing is arranged inside the upper column body, cement slurry is arranged on the inner surface of the prestressed casing, a prestressed tendon is arranged inside the cement slurry, the upper end of the prestressed tendon is provided with an upper anchor, one end of the prestressed tendon, which is far away from the upper anchor, is provided with a lower anchor, a bearing reinforcing steel bar is arranged inside the upper column body, one side of the bearing reinforcing steel bar is provided with an opening anti-cracking reinforcing steel bar, and a pair of triangular anti-cracking reinforcing steel bars are arranged inside the lower column body; the prestressed concrete bent frame column achieves the aim of improving the practicability of the utility model by arranging the prestressed casing and the cement paste; through setting up triangle crack control reinforcing bar for the stability of cylinder obviously strengthens down, has reached and has made down the cylinder can bear more pressure and have the purpose of stronger stability.
Description
Technical Field
The utility model relates to a building engineering technical field specifically is a prestressed concrete bent frame post.
Background
The bent frame post is used for the support between two supports usually, avoids taking place lateral shifting under the effect of power, often is used for the industry factory building of individual layer, because the house rigidity of bent frame system is little, and the focus is high, need bear the dynamic load, and prestressed concrete has following advantage with the reinforced concrete contrast: the prestressed concrete has the advantages of strong crack resistance, good impermeability, high rigidity, high strength, good shearing resistance and fatigue resistance, and not only can save steel, but also can reduce the size of the cross section of the structure, reduce the self weight of the structure, prevent cracking and reduce deflection, so that the structure can be designed safely and beautifully; prestressed concrete has three classification modes: when the concrete is divided according to the size of the prestress degree, the concrete can be divided into fully prestressed concrete and partially prestressed concrete; when the prestressed concrete is divided according to the construction mode, the prestressed concrete can be divided into prefabricated prestressed concrete, cast-in-place prestressed concrete and superposed prestressed concrete; when the method is divided according to the prestressing method, the method can be divided into pre-tensioning prestressed concrete and post-tensioning prestressed concrete.
The prior art has the following defects or problems:
1. the prestressed tendons are added into the bent frame columns, so that the prestress of the bent frame columns can be improved, the bent frame columns can bear the pressure from the lateral direction without cracking, but when the prestressed tendons are only fixed by the upper anchor and the lower anchor, the whole bent frame columns can be subjected to uneven prestress, and the problems that the bent frame columns are large in force borne by two ends and easy to damage are caused are solved;
2. when the bent column is used vertically, pressure from the vertical direction is partially converted into tension in the horizontal direction when the bent column cannot be internally subjected to the pressure, and the lower column of the bent column is subjected to stronger stress, so that the lower column is more prone to cracking than the upper column.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prestressed concrete bent frame post to the weak point of prior art to the problem of solving among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prestressed concrete bent frame post, includes the upper prop, the upper prop lower extreme is provided with down the cylinder, the cylinder lower extreme is provided with the cylinder base down, the inside prestressed casing that is provided with of upper prop, prestressed casing internal surface is provided with the grout, the inside prestressed tendons that is provided with of grout, the prestressed tendons upper end is provided with the anchor, the one end that the anchor was kept away from to the prestressed tendons is provided with down the anchor, the inside bearing reinforcing bar that is provided with of upper prop, bearing reinforcing bar one side is provided with opening crack control reinforcing bar, the inside triangle crack control reinforcing bar that is provided with of cylinder down.
As the utility model discloses a preferred technical scheme, go up cylinder and lower cylinder fixed connection, cylinder and cylinder base fixed connection down, it is the cube to go up the cylinder, the cylinder is the I-shaped cylinder down, it is the concrete material to go up the cylinder, the cylinder is the concrete material down, the cylinder base is the concrete material.
As the utility model discloses an optimal technical scheme, prestressing force sleeve pipe and grout fixed connection, the prestressing tendons passes through grout and prestressing tendons fixed connection, the prestressing force sleeve pipe is the concrete material, the prestressing tendons is the steel strand wires material.
As the utility model discloses an optimal technical scheme, go up anchor and prestressing tendons fixed connection, go up anchor and last cylinder fixed connection, anchor and prestressing tendons fixed connection down, anchor and lower cylinder fixed connection down, it is the steel strand wires material to go up the anchor, the anchor is the steel strand wires material down.
As the utility model discloses an optimal technical scheme, bearing reinforcing bar and last cylinder fixed connection, bearing reinforcing bar and lower cylinder fixed connection, the bearing reinforcing bar is provided with a plurality of groups, the bearing reinforcing bar is evenly arranged inside last cylinder.
As the utility model discloses an optimal technical scheme, opening crack control reinforcing bar and last cylinder fixed connection, opening crack control reinforcing bar passes through last cylinder and bearing reinforcing bar fixed connection, opening crack control reinforcing bar is provided with a plurality of groups, opening crack control reinforcing bar evenly arranges inside last cylinder.
As the utility model discloses an preferred technical scheme, to triangle crack control rigid and lower cylinder fixed connection, through cylinder and bearing reinforcing bar fixed connection down to triangle crack control reinforcing bar, be provided with a plurality of groups to triangle crack control reinforcing bar, evenly arrange inside the cylinder down to triangle crack control reinforcing bar.
Compared with the prior art, the utility model provides a prestressed concrete bent frame post possesses following beneficial effect:
1. according to the prestressed concrete bent frame column, the prestressed casing pipes and the cement paste are arranged, so that the prestressed reinforcing steel can have better adhesive force with the bent frame column body and more uniform stress under the condition of good enough tensile elasticity, and the practicability of the prestressed concrete bent frame column is improved;
2. this prestressed concrete bent frame post is through setting up triangle crack control reinforcing bar for the stability of cylinder obviously strengthens down, and to the opposite side and the bearing reinforcing bar contact of triangle crack control reinforcing bar, when receiving transverse pressure, the bearing reinforcing bar can lead to the fact more tight stable structure to the pressure to triangle crack control reinforcing bar production horizontal direction, makes the lower cylinder of bearing can bear more pressure and stronger stability than last cylinder.
Drawings
FIG. 1 is a schematic cross-sectional view of the whole structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic top view of a column according to the present invention;
fig. 4 is a schematic view of the overall structure of the present invention.
In the figure: 1. an upper column; 2. a lower column; 3. a column base; 4. a pre-stressed casing; 5. cement slurry; 6. prestressed tendons; 7. anchoring; 8. anchoring; 9. a load-bearing reinforcing bar; 10. opening anti-cracking reinforcing steel bars; 11. and (4) triangular anti-cracking reinforcing steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: the utility model provides a prestressed concrete bent frame post, including last cylinder 1, 1 lower extreme of last cylinder is provided with down cylinder 2, 2 lower extremes of cylinder are provided with cylinder base 3 down, 1 inside prestressed casing 4 that is provided with of last cylinder, 4 internal surfaces of prestressed casing are provided with grout 5, 5 inside prestressed tendons 6 that are provided with of grout, 6 upper ends of prestressed tendons are provided with anchor 7, the one end that 7 anchor was kept away from to prestressed tendons 6 is provided with down anchor 8, 1 inside bearing reinforcing bar 9 that is provided with of last cylinder, 9 one side of bearing reinforcing bar is provided with opening crack control reinforcing bar 10, 2 inside being provided with of lower cylinder is to triangle crack control reinforcing bar 11.
In the embodiment, the upper cylinder 1 is fixedly connected with the lower cylinder 2, the lower cylinder 2 is fixedly connected with the cylinder base 3, the upper cylinder 1 is a cube, the lower cylinder 2 is an i-shaped cylinder, the upper cylinder 1 is made of concrete, the lower cylinder 2 is made of concrete, and the cylinder base 3 is made of concrete; the prestressed casing 4 is fixedly connected with the cement slurry 5, the prestressed tendon 6 is fixedly connected with the prestressed tendon 6 through the cement slurry 5, the prestressed casing 4 is made of concrete, and the prestressed tendon 6 is made of steel strand, so that the adhesive force between the prestressed tendon 6 and the upper column body 1 is larger, the prestressed elasticity of the prestressed concrete column is enhanced, and the received adhesive force is more uniform; the upper anchor 7 is fixedly connected with the prestressed tendon 6, the upper anchor 7 is fixedly connected with the upper cylinder 1, the lower anchor 8 is fixedly connected with the prestressed tendon 6, the lower anchor 8 is fixedly connected with the lower cylinder 2, the upper anchor 7 is made of steel strand, and the lower anchor 8 is made of steel strand, so that the prestressed tendon 6 can be more stably stressed in the prestressed casing 4, and can not be separated because the stress degree exceeds the adhesive force, and the stability of the utility model is improved; the bearing steel bars 9 are fixedly connected with the upper cylinder 1, the bearing steel bars 9 are fixedly connected with the lower cylinder 2, the bearing steel bars 9 are provided with a plurality of groups, and the bearing steel bars 9 are uniformly distributed in the upper cylinder 1, so that the upper cylinder 1 and the lower cylinder 2 can be uniformly stressed and have a supporting structure when being subjected to vertical pressure, and the firmness of the utility model is enhanced; the opening anti-cracking steel bars 10 are fixedly connected with the upper cylinder 1, the opening anti-cracking steel bars 10 are fixedly connected with the bearing steel bars 9 through the upper cylinder 1, a plurality of groups of opening anti-cracking steel bars 10 are arranged in the upper cylinder 1, the horizontal tension on the upper cylinder can be relieved due to the arrangement, the opening anti-cracking steel bars 10 which are uniformly distributed can enable the upper cylinder 1 to be uniformly tensioned, and therefore the anti-cracking performance of the upper cylinder 1 is enhanced to the maximum extent; to triangle crack control rigid and 2 fixed connection of cylinder down, to triangle crack control reinforcing bar 11 through cylinder 2 and bearing reinforcing bar 9 fixed connection down, be provided with a plurality of groups to triangle crack control reinforcing bar 11, evenly arrange cylinder 2 inside down to triangle crack control reinforcing bar 11, the crushing resistance when setting up like this and can making down cylinder 2 receive horizontal pressure is strong, triangle-shaped makes for the most stable shape can surpass the stability of straight reinforcing bar to triangle crack control reinforcing bar 11, and the firm of cylinder 2 is not cracked under the guarantee, has improved the utility model discloses a obdurability and security.
The utility model discloses a theory of operation and use flow: the utility model discloses put prestressing tendons 6 inside by prestressing force sleeve pipe 4, it is tensile with prestressing tendons 6 after the concrete is pour, it pours grout 5 into the gap of prestressing force sleeve pipe 4 and prestressing tendons 6 to draw to rise suitable elasticity degree, reach the purpose that protection prestressing tendons 6 are not by oxidation corrosion, the adhesive force between prestressing tendons 6 and prestressing force sleeve pipe 4 has also been strengthened simultaneously, and to triangle crack control reinforcing bar 11 in the whole be to the abundant guarantee of lower cylinder 2, receive great tension on the horizontal direction, to triangle crack control reinforcing bar 11 then be with tension conversion into evenly distributed's stability factor, as long as do not surpass the scope of normal compressive strength, to triangle crack control reinforcing bar 11 all can make the framed bent post more stable; erect the framed bent post when using, ensure that the position at cylinder base 3 place is stable and level, will go up cylinder 1 and fix and use in corresponding construction position, can not use but an solitary framed bent post during general use, notice the relative even with framed bent post distribution during so use, can be safer and firm during the construction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a prestressed concrete bent frame post which characterized in that: including last cylinder (1), it is provided with down cylinder (2) to go up cylinder (1) lower extreme, cylinder (2) lower extreme is provided with cylinder base (3) down, it is provided with prestressed casing (4) to go up cylinder (1) inside, prestressed casing (4) internal surface is provided with grout (5), grout (5) inside prestressed tendons (6) that are provided with, prestressed tendons (6) upper end is provided with anchor (7), the one end that anchor (7) were kept away from in prestressed tendons (6) is provided with down anchor (8), it is provided with bearing reinforcing bar (9) to go up cylinder (1) inside, bearing reinforcing bar (9) one side is provided with opening crack control reinforcing bar (10), cylinder (2) inside is provided with triangle crack control reinforcing bar (11) down.
2. The prestressed concrete bent column according to claim 1, wherein: go up cylinder (1) and lower cylinder (2) fixed connection, cylinder (2) and cylinder base (3) fixed connection down, it is the cube to go up cylinder (1), cylinder (2) are the I-shaped cylinder down, it is the concrete material to go up cylinder (1), cylinder (2) are the concrete material down, cylinder base (3) are the concrete material.
3. The prestressed concrete bent column according to claim 1, wherein: the prestressed concrete pipe is characterized in that the prestressed casing pipe (4) is fixedly connected with cement slurry (5), the prestressed reinforcing steel bars (6) are fixedly connected with the prestressed reinforcing steel bars (6) through the cement slurry (5), the prestressed casing pipe (4) is made of concrete, and the prestressed reinforcing steel bars (6) are made of steel strands.
4. The prestressed concrete bent column according to claim 1, wherein: go up anchor (7) and prestressing tendons (6) fixed connection, go up anchor (7) and last cylinder (1) fixed connection, anchor (8) and prestressing tendons (6) fixed connection down, anchor (8) and lower cylinder (2) fixed connection down, it is the steel strand wires material to go up anchor (7), anchor (8) are the steel strand wires material down.
5. The prestressed concrete bent column according to claim 1, wherein: bearing reinforcing bar (9) and last cylinder (1) fixed connection, bearing reinforcing bar (9) and lower cylinder (2) fixed connection, bearing reinforcing bar (9) are provided with a plurality of groups, bearing reinforcing bar (9) are evenly arranged inside last cylinder (1).
6. The prestressed concrete bent column according to claim 1, wherein: opening crack control reinforcing bar (10) and last cylinder (1) fixed connection, opening crack control reinforcing bar (10) are through last cylinder (1) and bearing reinforcing bar (9) fixed connection, opening crack control reinforcing bar (10) are provided with a plurality of groups, opening crack control reinforcing bar (10) are evenly arranged inside last cylinder (1).
7. The prestressed concrete bent column according to claim 1, wherein: to triangle crack control rigid and lower cylinder (2) fixed connection, through cylinder (2) and bearing reinforcing bar (9) fixed connection down to triangle crack control reinforcing bar (11), be provided with a plurality of groups to triangle crack control reinforcing bar (11), evenly arrange inside cylinder (2) down to triangle crack control reinforcing bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022952579.5U CN214461801U (en) | 2020-12-08 | 2020-12-08 | Prestressed concrete bent frame column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022952579.5U CN214461801U (en) | 2020-12-08 | 2020-12-08 | Prestressed concrete bent frame column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214461801U true CN214461801U (en) | 2021-10-22 |
Family
ID=78187231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022952579.5U Expired - Fee Related CN214461801U (en) | 2020-12-08 | 2020-12-08 | Prestressed concrete bent frame column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214461801U (en) |
-
2020
- 2020-12-08 CN CN202022952579.5U patent/CN214461801U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |