CN114182902B - Spiral stair with steel-concrete structure and manufacturing method thereof - Google Patents
Spiral stair with steel-concrete structure and manufacturing method thereof Download PDFInfo
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- CN114182902B CN114182902B CN202111586933.XA CN202111586933A CN114182902B CN 114182902 B CN114182902 B CN 114182902B CN 202111586933 A CN202111586933 A CN 202111586933A CN 114182902 B CN114182902 B CN 114182902B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/032—Spiral stairways supported by a central column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F11/112—Treads of metal or with an upper layer of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/0209—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to the field of constructional engineering, in particular to a spiral stair with a steel-concrete structure and a manufacturing method thereof. The ladder column is of a cylindrical structure, a plurality of step plates are arranged on the circumference of the ladder column, and the step plates are spirally distributed along the circumference of the ladder column; the step board includes the flat board that the level set up, dull and stereotyped bottom fixedly connected with additional strengthening, and one side fixedly connected with connecting plate that the flat board is close to the ladder post, the vertical setting of connecting plate, the shape and the ladder post outline phase-match of connecting plate. The invention can meet the requirements of structural strength and the like, is convenient to construct, durable and attractive, and has strong practical value.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a spiral stair with a steel-concrete structure and a manufacturing method thereof.
Background
In the field of civil engineering or hydraulic engineering, it is often necessary to provide a structure for connecting the upper and lower spaces, the most common connecting member being a staircase. However, in many cases, the arrangement of a common stair in the form of single-run or double-run cannot meet the requirement of limited space, and a spiral stair needs to be arranged. For example, the height difference between the upper part and the lower part of the stairs of the observation station cable tower of the hydrological station is large, the space for providing the stairs is very small, and the traditional concrete spiral stairs can not meet the requirements. For example: at present, the design specifications of concrete spiral stairs are provided, the minimum thickness of the root of a concrete pedal is 11cm, the minimum height of a pedal beam is 18cm, and the requirement of limited space cannot be met. In addition, the adoption of a pure steel structure has the defects of structure corrosion, inconvenience in site construction and the like.
Disclosure of Invention
The invention aims to provide a spiral stair with a steel-concrete structure and a manufacturing method thereof, so that the problems are solved, the requirements on structural strength and the like can be met, and meanwhile, the spiral stair is convenient to construct, durable, attractive and high in practical value.
In order to achieve the purpose, the invention provides the following scheme:
a spiral stair with a steel-concrete structure comprises a stair column, wherein the stair column is of a cylindrical structure, a plurality of step plates are arranged on the stair column in the circumferential direction, and the step plates are distributed in a spiral shape along the circumferential direction of the stair column;
the step plate comprises a flat plate horizontally arranged, the bottom of the flat plate is fixedly connected with a reinforcing structure, the flat plate is close to one side of the ladder post and is fixedly connected with a connecting plate, the connecting plate is vertically arranged, and the shape of the connecting plate is matched with the outline of the ladder post.
Preferably, the additional strengthening includes fixed connection and is in the middle part reinforcing plate of dull and stereotyped bottom, the middle part reinforcing plate with dull and stereotyped looks is perpendicular, the middle part reinforcing plate is located dull and stereotyped middle part, dull and stereotyped bottom fixedly connected with a plurality of interval reinforcing plates, it is a plurality of the interval reinforcing plate with dull and stereotyped, middle part reinforcing plate are perpendicular mutually, the interval reinforcing plate is followed the equidistant setting of middle part reinforcing plate length direction.
Preferably, the planar overlooking projection is of a fan-shaped structure, and the small end of the planar is fixedly connected with the connecting plate.
Preferably, the connecting plate is close to one side of ladder post is equipped with fixed knot constructs, fixed knot constructs including the dowel, dowel one end with connecting plate fixed connection, the dowel casting is in the ladder post.
A manufacturing method of a spiral stair with a steel-concrete structure comprises the following steps:
determining the height H of the stairs, the maximum projection size B of the plane of the stairs and the step number n according to the space size;
determining the height H of the stair, the maximum projection size B of the plane of the stair and the step number n according to the space size to determine the structural size of the step plate and the size of the reinforcing structure;
fixing the connecting plate and a reinforcement cage in the ladder column;
and pouring the ladder posts to manufacture the spiral stair with the steel-concrete structure.
Preferably, the structural dimensions of the tread plate comprise a tread width dimension and a tread thickness dimension.
Preferably, the dimensions of the reinforcing structure include a height dimension and a width dimension.
The invention has the following technical effects:
according to the invention, the flat plate is arranged on the outer side of the ladder post, the reinforcing structure is arranged at the bottom of the flat plate, so that the supporting stability of the flat plate is enhanced, the thickness of the tread plate is reduced by arranging the reinforcing structure, the tread plate is convenient to manufacture during construction, and the construction process is more flexible and convenient.
The method of the invention can meet the engineering requirements, facilitate construction, and simultaneously can meet the requirements of attractive appearance, thereby having certain economic and social values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the step plate according to the present invention;
FIG. 3 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 2;
FIG. 4 is a schematic front view of a second step plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of a second embodiment of the fastener structure;
FIG. 6 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 7 is a schematic diagram of a right-view structure of a third connecting plate according to the embodiment of the present invention;
fig. 8 is a right-side view schematic diagram of a fourth step plate according to the embodiment of the invention.
Wherein, 1, ladder posts; 2. a step plate; 201. a flat plate; 202. a middle reinforcing plate; 203. a spacer stiffener; 204. a connecting plate; 205. anchoring ribs; 206. buckling; 207. a first screw; 208. a via hole; 209. a first inclined plane; 210. a compression block; 211. a second screw; 212. and (4) hanging hooks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
referring to fig. 1-3, the embodiment provides a spiral stair with a steel-concrete structure, which includes a stair column 1, wherein the stair column 1 is of a cylindrical structure, a plurality of step plates 2 are circumferentially arranged on the stair column 1, and the step plates 2 are spirally distributed along the stair column 1;
According to the invention, the flat plate 201 is arranged on the outer side of the ladder post 1, the reinforcing structure is arranged at the bottom of the flat plate 201, so that the supporting stability of the flat plate 201 is enhanced, the thickness of the step plate 2 is reduced by arranging the reinforcing structure, the manufacture of the step plate 2 during construction is facilitated, and the construction process is more flexible and convenient.
Further optimize the scheme, the additional strengthening includes fixed connection at the middle part reinforcing plate 202 of dull and stereotyped 201 bottom, and middle part reinforcing plate 202 is mutually perpendicular with dull and stereotyped 201, and middle part reinforcing plate 202 is located dull and stereotyped 201 middle part, a plurality of interval reinforcing plates 203 of dull and stereotyped 201 bottom fixedly connected with, and a plurality of interval reinforcing plates 203 are mutually perpendicular with dull and stereotyped 201, middle part reinforcing plate 202, and interval reinforcing plate 203 sets up along the equidistant of middle part reinforcing plate 202 length direction.
The overall thickness of the tread plate 2 is reduced through the cooperation of the spacing reinforcing plate 203 and the middle reinforcing plate 202, and the structural strength of the tread plate is not affected, so that the overall thickness of the tread plate 2 is reduced, and the construction of the spiral body can be realized in a limited space.
Further optimizing the scheme, the overlook projection of the flat plate 201 is a fan-shaped structure, and the small end of the flat plate 201 is fixedly connected with the connecting plate 204.
Further optimize the scheme, one side that connecting plate 204 is close to the ladder post 1 is equipped with fixed knot and constructs, and fixed knot constructs including anchor bar 205, and anchor bar 205 one end and connecting plate 204 fixed connection, anchor bar 205 casting are in ladder post 1.
A manufacturing method of a spiral stair with a steel-concrete structure comprises the following steps:
determining the height H of the stairs, the maximum projection size B of the plane of the stairs and the step number n according to the space size;
determining the height H of the stair, the maximum projection size B of the stair plane and the step number n according to the space size to determine the structural size of the step plate 2 and the size of the reinforcing structure; the structural dimensions of the tread plate 2 include the tread width dimension, i.e., the fan angle and the overall length dimension of the flat plate 201, and the tread thickness dimension, i.e., the thickness dimension of the flat plate 201, and the dimensions of the reinforcement structure include the height dimension, i.e., the height dimension of the middle reinforcement plate 202, the width dimension, i.e., the width dimension of the interval reinforcement plate 203, and the thickness dimensions of the middle reinforcement plate 202 and the interval reinforcement plate 203.
Fixing the anchor bars 205 on the connecting plates 204 with the reinforcement cages in the ladder posts 1;
the pouring ladder posts 1 are made into spiral stairs with steel-concrete structures.
Example two:
referring to fig. 4-5, the spiral stair with the reinforced concrete structure of the embodiment is different from the first embodiment only in that the anchor bar 205 has a structure like a Chinese character '21274', one end of the anchor bar 205 is longer than the other end of the anchor bar 205, the long end of the anchor bar 205 is fixedly connected with the connecting plate 204, a buckle 206 is clamped on the outer side of the anchor bar 205, a first screw 207 penetrates through the opening side of the buckle 206, and a nut is connected to the end of the first screw 207 through a thread.
The anchor bar 205 is arranged into a structure like a character '21274', a gap in the middle of the anchor bar 205 is clamped at the outer side of the reinforcement cage, and then the anchor bar 205 and the reinforcement cage are fixedly connected through the buckle 206, so that the anchor bar 205 is convenient to install and fix.
Example three:
referring to fig. 6 to 7, the spiral stair of the reinforced concrete structure of this embodiment differs from that of the first embodiment only in that a detachable structure is arranged between the connecting plate 204 and the anchor bar 205, the detachable structure includes a via hole 208 formed in the connecting plate 204, a first inclined surface 209 is arranged above the via hole 208, a hook 212 is fixedly connected to one end of the anchor bar 205 close to the connecting plate 204, a second inclined surface is arranged on one side of the hook 212 close to the connecting plate 204, the first inclined surface 209 is matched with the second inclined surface, a pressing block 210 is arranged on the lower section of the hook 212 in a contact manner, the pressing block 210 is inserted into the via hole 208, a third inclined surface is arranged on the lower end surface of the pressing block 210, a second screw 211 penetrates through the pressing block 210, and the end of the second screw 211 is in threaded connection with the connecting plate 204.
Before pouring into a mould the buttress 1, with the steel reinforcement cage fixed connection in anchor stud 205 and the buttress 1 earlier, treat the buttress 1 pouring and accomplish the back, hang connecting plate 204 to couple 212 on, compress tightly couple 212 and connecting plate 204 through compact heap 210, the second inclined plane and the first inclined plane 209 of couple 212 mutually support under the third inclined plane effect of compact heap 210, compress tightly connecting plate 204 on couple 212, prevent that connecting plate 204 from appearing droing, connecting plate 204 adopts the mode of pouring and accomplishing the back installation, make whole spiral stair work progress convenient and fast more.
Example four:
referring to fig. 8, the spiral staircase with the reinforced concrete structure of the present embodiment is different from the first embodiment only in that wave plates 213 are disposed at two sides of the middle reinforcing plate 202, peaks of the wave plates 213 are fixedly connected to the bottom surface of the flat plate 201, troughs of the wave plates 213 are fixedly connected to the tops of the spaced reinforcing plates 203, and the structural strength of the bottom of the step plate 2 is enhanced by disposing the wave plates 213, so that the height of the spaced reinforcing plates 203 can be reduced, the overall height of the step plate 2 can be reduced, the spiral staircase can be more easily arranged to increase the number of corresponding steps, and the structural strength can be ensured.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. The spiral stair with the steel-concrete structure is characterized by comprising a stair column (1), wherein the stair column (1) is of a cylindrical structure, a plurality of step plates (2) are arranged on the stair column (1) in the circumferential direction, and the step plates (2) are distributed spirally along the stair column (1) in the circumferential direction;
the step plate (2) comprises a flat plate (201) which is horizontally arranged, the bottom of the flat plate (201) is fixedly connected with a reinforcing structure, one side of the flat plate (201) close to the ladder post (1) is fixedly connected with a connecting plate (204), the connecting plate (204) is vertically arranged, and the shape of the connecting plate (204) is matched with the outer contour of the ladder post (1);
a fixing structure is arranged on one side, close to the ladder post (1), of the connecting plate (204), the fixing structure comprises an anchor bar (205), one end of the anchor bar (205) is fixedly connected with the connecting plate (204), and the anchor bar (205) is cast in the ladder post (1);
be equipped with detachable construction between connecting plate (204) and dowel (205), detachable construction is including seting up via hole (208) on connecting plate (204), via hole (208) top is equipped with first inclined plane (209), one end fixedly connected with couple (212) that dowel (205) are close to connecting plate (204), one side that couple (212) are close to connecting plate (204) is equipped with the second inclined plane, first inclined plane (209) and second inclined plane phase-match, the terminal surface contact is provided with compact heap (210) under couple (212), compact heap (210) insert in via hole (208), the terminal surface is equipped with the third inclined plane under compact heap (210), wear to be equipped with second screw (211) on compact heap (210), second screw (211) tip and connecting plate (204) threaded connection.
2. The spiral stair with the steel-concrete structure according to claim 1, wherein the reinforcing structure comprises a middle reinforcing plate (202) fixedly connected to the bottom of the flat plate (201), the middle reinforcing plate (202) is perpendicular to the flat plate (201), the middle reinforcing plate (202) is located in the middle of the flat plate (201), a plurality of interval reinforcing plates (203) are fixedly connected to the bottom of the flat plate (201), the interval reinforcing plates (203) are perpendicular to the flat plate (201) and the middle reinforcing plate (202), and the interval reinforcing plates (203) are arranged at equal intervals along the length direction of the middle reinforcing plate (202).
3. The spiral stair with a steel-concrete structure according to claim 1, wherein the planar plate (201) is of a fan-shaped structure in plan view, and the small end of the planar plate (201) is fixedly connected with the connecting plate (204).
4. A method for manufacturing spiral stairs with a steel-concrete structure according to any one of claims 1-3, comprising the following steps:
determining the height H of the stairs, the maximum projection size B of the plane of the stairs and the step number n according to the space size;
determining the structural size of the step plate (2) and the size of the reinforcing structure according to the space size, the height H of the stair, the maximum projection size B of the stair plane and the step number n;
fixing the connecting plate (204) with a reinforcement cage in the ladder column (1);
and pouring the ladder posts (1) to manufacture the spiral stair with the steel-concrete structure.
5. The method for manufacturing spiral stairs of steel-concrete structure according to claim 4, wherein the structural dimensions of the tread plates (2) comprise tread width dimension and tread thickness dimension.
6. The manufacturing method of the spiral staircase with the steel-concrete structure according to claim 1, characterized in that: the dimensions of the reinforcing structure include a height dimension and a width dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586933.XA CN114182902B (en) | 2021-12-23 | 2021-12-23 | Spiral stair with steel-concrete structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586933.XA CN114182902B (en) | 2021-12-23 | 2021-12-23 | Spiral stair with steel-concrete structure and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN114182902A CN114182902A (en) | 2022-03-15 |
| CN114182902B true CN114182902B (en) | 2023-03-03 |
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| CN202111586933.XA Active CN114182902B (en) | 2021-12-23 | 2021-12-23 | Spiral stair with steel-concrete structure and manufacturing method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114856102B (en) * | 2022-04-21 | 2022-12-23 | 广东省粤建装饰集团有限公司 | Vertical curtain type adjustable pull rod connected glass stair structure and construction method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828193Y (en) * | 2005-06-14 | 2006-10-18 | 荣特尔公司 | Stairway assembly |
| CN103938814B (en) * | 2014-05-15 | 2016-06-01 | 浙江盛丰科技有限公司 | A kind of high strength guardrail |
| CN104389389A (en) * | 2014-11-18 | 2015-03-04 | 南通久盛新材料科技有限公司 | Glass reinforced fiber rotary staircase |
| CN205224462U (en) * | 2015-12-21 | 2016-05-11 | 北京城泰混凝土制品有限公司 | Winding stairs and stirring station |
| CN107237461B (en) * | 2017-07-17 | 2023-04-07 | 深圳市建艺装饰集团股份有限公司 | Full-suspension rotary steel structure stair structure and construction method |
| JP6869512B2 (en) * | 2018-03-02 | 2021-05-12 | 株式会社Ｌｄｋテック | Steps for spiral stairs |
| CN208996338U (en) * | 2018-10-30 | 2019-06-18 | 株洲新时代宜维德环保科技有限公司 | A kind of spiral stairway |
| CN111894216A (en) * | 2020-08-26 | 2020-11-06 | 中国建筑第五工程局有限公司 | Assembled concrete spiral stair and construction method thereof |
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