CN104947866A - Open type spiral staircase constructed by casting fair-faced concrete folded plates in situ and construction method of spiral staircase - Google Patents
Open type spiral staircase constructed by casting fair-faced concrete folded plates in situ and construction method of spiral staircase Download PDFInfo
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- CN104947866A CN104947866A CN201510408023.0A CN201510408023A CN104947866A CN 104947866 A CN104947866 A CN 104947866A CN 201510408023 A CN201510408023 A CN 201510408023A CN 104947866 A CN104947866 A CN 104947866A
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Abstract
The invention discloses an open type spiral staircase constructed by casting fair-faced concrete folded plates in situ. The open type spiral staircase is characterized in that an upright column with the diameter of 800 mm is arranged in the middle of the spiral staircase, spiral stairs are arranged around the upright column, the height of the first floor of spiral stair thread is 160 mm, the height of each of the second floor and the third floor of spiral stair thread is 161.53 mm, the length of each floor is 2,000 mm, the sector angle of the surface of a sector tread is 12 degrees, the outer side width of the sector tread is 502.65 mm, and the spiral stairs and the upright column are constructed by casting fair-faced concrete. The invention further discloses a construction method of the open type spiral staircase constructed by casting the fair-faced concrete folded plates in situ. According to the method, smooth multi-layer plastic covered plates for formworks contacted with fair-faced concrete are adopted, and a multi-layer plate is further added to the outer layer of each multi-layer plastic covered plate. The open type spiral staircase and the construction method have the following benefits: the stair surfaces do not need any special treatment, the appearance is attractive, simple and graceful, the structure is light and firm, the large-diameter column is arranged in the middle, the staircase has larger length and larger width as well as appropriate height, and stair climbing is easy; the staircase is formed by casting the fair-faced concrete.
Description
Technical field
The present invention relates to building structure technology field, belong to a kind of open type cast-in-situ clear-water concrete flap spiral stairs and manufacture method.
Background technology
At present, existing spiral stairs or be Plate Welding, medial post diameter is smaller, and when rotating upstairs, sensation is hard, and the length of stair is shorter, and the width of stair is also narrower, and the height of stair is also improper; It is the manufacture of non-clear-water concrete, after having constructed, one deck building coats or architectural surface to be done in its appearance, and after dry concrete construction completes, surperficial without any need for specially treated, exquisite appearance, brief and graceful, serious, embody the aesthetic feeling of modern science and technology, merrily and lightheartedly penetrating, portable construction, firmly.
The spiral stairs of Plate Welding, to people's one and the antipathetic sensation of building, does not visually reach brief, graceful, serious; And when people walks on steel stair, making a noise, for preventing steel plate from getting rusty, needing regularly to safeguard it.Though appearance effect is good after non-clear-water concrete decoration, there is very big-difference with this engineering construction style; And the outward appearance of decoration needs regularly to safeguard, if once this decorated style is unpopular, this spiral stairs will become a large stain in building.
Summary of the invention
The object of this invention is to provide a kind of open type cast-in-situ clear-water concrete flap spiral stairs, its stairwell surface without any need for specially treated, exquisite appearance, brief and graceful, serious, embody the aesthetic feeling of modern science and technology, merrily and lightheartedly penetrating, portable construction, firmly; There is major diameter pillar centre, and the length of stair is longer, and the width of stair is also wider, and the height of stair is also suitable, easily upstairs, feels not hard.
For achieving the above object, the present invention takes following technical scheme:
A kind of open type cast-in-situ clear-water concrete flap spiral stairs, it is characterized in that: the column being provided with a diameter 800mm at the middle part of spiral stairs, spiral stairs is provided with in the surrounding of column, the height of described spiral stairs pedal is the 1st layer is 160mm, 2nd layer, the 3rd layer is 161.53mm, and length is 2000mm, and the fan angle of fan-shaped pedal tread is 12 °, the outside width of fan-shaped pedal is 502.65mm, and described spiral stairs and column adopt pouring exposed concrete to make.
Wherein, one deck of described spiral stairs has 19 steps.
Wherein, two layers of described spiral stairs and more than, every layer has 25 steps.
A manufacture method for open type cast-in-situ clear-water concrete flap spiral stairs, it comprises the following steps:
(1), first find out spiral stairs central point, axially offset 60mm, from 4 axial west skew 220mm in south from E;
(2), according to home position, take radius as the round edge line that 2400mm draws that spiral stairs projects to ground;
(3), according to plan, first to mark time with horizon angle be 123.46 degree, last is marked time with horizon angle is 8.54 degree, respective horizontal distance is drawn in computer, that is: 2218mm is measured northwards from an E/4 along 4 axis long, mark a bit, from this strokes and dots straight line parallel in E axle, this line and circle joining are first and mark time outside external corner point, this point and cylindrical center's point are connected good line, other line of marking time must be ejected with 12 degree by hour hands successively from this line, one deck has 19 steps altogether, whether checking most last, to mark time with horizon angle be 8.54 degree, after accurate, external corner point and cylindrical center's point line outside marking time respectively, these length are utilized to carry out actual unwrapping wire snap the line at the construction field (site), two layers to four layer first are marked time with horizon angle is 51.46 degree, and last marks time with horizon angle is 8.54 degree, is 25 steps, and way is identical therewith,
(4), Zhi Haozhu mould, according to the discrepancy in elevation of often mark time hypodermis and absolute altitude control line, on post mould, mark the cloudy corner location of hypodermis of often marking time respectively, then according to step plate, play step plate thickness, post mould draws positive corner location, backmost becomes line to be to mark time, play the phase tangent line of step and cylinder;
(5), according to the thick 30mm of template, the thick 100mm of secondary joist, the thick 100mm of main joist, the thick 50mm of chock, often go up riser height, design often walks lower support support body vertical rod length of marking time;
(6), with the template that concrete directly contacts adopt thick the covering of 15mm to mould composite board, cover and to add thick the covering of one deck 15mm outside inverse composite board and mould composite board and reinforce, mould composite board plate flatness to ensure to cover;
(7), in computer unwrapping wire draws each fan-shaped size of marking time, and after processing, the step of playing often walked to be spliced with step plate and is fixed in carpenter's canopy;
(8), by the template in-site installation in 7, after formwork erection completes, in computer, measure each outward flange arc length of marking time is 502.65mm, whether wrong checks the template installed by this length;
(9), according to design drawing, the good riser reinforcing cage of colligation in advance, when reinforcing bar is installed, the solid length horizontal of upper anchor enters post 600mm, and end is lower curved 300mm again, and reinforcing bar in post can be caused so overstocked, concreting leakiness, for this reason, during reinforcement installation, in post, a reserved diameter 50 is managed, take-off pipe again after waiting reinforcing bar fixing.
The invention has the beneficial effects as follows: its stairwell surface without any need for specially treated, exquisite appearance, brief and graceful, serious, embody the aesthetic feeling of modern science and technology, merrily and lightheartedly penetrating, portable construction, firmly; There is major diameter pillar centre, and the length of stair is longer, and the width of stair is also wider, and the height of stair is also suitable, easily upstairs, feels not hard; The template contacted with clear-water concrete adopts smooth covering to mould composite board, and moulds composite board skin and increase one deck composite board covering.
Accompanying drawing explanation
Fig. 1 is one deck stair plane structure schematic diagram of the present invention.
Fig. 2 is two layers and with upper floor ladder plane structure schematic diagram of the present invention.
Fig. 3 is 1-1 cross-sectional schematic in Fig. 1.
Fig. 4 is that stair section launches schematic diagram.
Detailed description of the invention
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4: a kind of open type cast-in-situ clear-water concrete flap spiral stairs, the column 1 of a diameter 800mm is provided with at the middle part of spiral stairs, spiral stairs 2 is provided with in the surrounding of column, the height of described spiral stairs pedal is the 1st layer is 160mm, 2nd layer, the 3rd layer is 161.53mm, length is 2000mm, the fan angle of fan-shaped pedal tread is 12 °, the outside width of fan-shaped pedal is 502.65mm, and described spiral stairs 2 and column 1 adopt pouring exposed concrete to make.
Wherein, one deck of described spiral stairs 2 has 19 steps.
Wherein, two layers of described spiral stairs 2 and more than, every layer has 25 steps.
A manufacture method for open type cast-in-situ clear-water concrete flap spiral stairs, it comprises the following steps:
1, first find out spiral stairs central point, axially offset 60mm, from 4 axial west skew 220mm in south from E;
2, according to home position, take radius as the round edge line that 2400mm draws that spiral stairs projects to ground;
3, according to plan, first to mark time with horizon angle be 123.46 degree, last marks time with horizon (being parallel to E axle) angle is 8.54 degree, respective horizontal distance is drawn in computer, that is: 2218mm is measured northwards from an E/4 along 4 axis long, mark a bit, from this strokes and dots straight line parallel in E axle, this line and circle joining (east side) are first and mark time outside external corner point, this point and cylindrical center's point are connected good line, other line of marking time is ejected with 12 degree from this line is clockwise successively, one deck has 19 steps altogether, whether last marks time with horizon (being parallel to E axle) angle is 8.54 degree, after accurate, external corner point (subpoint on floor) and cylindrical center's point line outside marking time respectively, these length are utilized to carry out actual unwrapping wire snap the line at the construction field (site), two layers to four layer first are marked time with horizon (being parallel to E axle) angle is 51.46 degree, and last marks time with horizon angle is 8.54 degree, is 25 steps, and way is identical therewith.
4, Zhi Haozhu mould, according to the discrepancy in elevation of often mark time hypodermis and absolute altitude control line (50 line), the cloudy corner location of hypodermis of often marking time is marked respectively on post mould, again according to step plate, play step plate thickness, post mould draws positive corner location, backmost becomes line to be to mark time, play the phase tangent line of step and cylinder;
5, according to template thick (two-layer template) 30mm, the thick 100mm of secondary joist, the thick 100mm of main joist, the thick 50mm of chock, often go up riser height, design often step is marked time lower support support body vertical rod length;
6, the template directly contacted with concrete adopts thick the covering of 15mm to mould composite board (surface is a kind of polymer plastic flitch, unusual light, inside is multi-layer wood mould plate), cover and to add thick the covering of one deck 15mm outside inverse composite board and mould composite board and reinforce, mould composite board plate flatness to ensure to cover;
7, in computer, unwrapping wire draws each fan-shaped size of marking time, and after processing, the step of playing often walked is spliced fixed with step plate in carpenter's canopy;
8, by the template in-site installation in 7, after formwork erection completes, in computer, measure each outward flange arc length of marking time is 502.65mm, whether wrong checks the template installed by this length.
9, according to design drawing, the good riser reinforcing cage of colligation in advance, when reinforcing bar is installed, the solid length horizontal of upper anchor enters post 600mm, and end is lower curved 300mm again, and reinforcing bar in post can be caused so overstocked, concreting leakiness, for this reason, during reinforcement installation, in post, a reserved diameter 50 is managed, take-off pipe again after waiting reinforcing bar fixing.
The above know-why being preferred embodiment of the present invention and using; for a person skilled in the art; when not deviating from the spirit and scope of the present invention; any based on apparent changes such as the equivalent transformation on technical solution of the present invention basis, simple replacements, all belong within scope.
Claims (4)
1. an open type cast-in-situ clear-water concrete flap spiral stairs, it is characterized in that: the column being provided with a diameter 800mm at the middle part of spiral stairs, spiral stairs is provided with in the surrounding of column, the height of described spiral stairs pedal is the 1st layer is 160mm, 2nd layer, the 3rd layer is 161.53mm, and length is 2000mm, and the fan angle of fan-shaped pedal tread is 12 °, the outside width of fan-shaped pedal is 502.65mm, and described spiral stairs and column adopt pouring exposed concrete to make.
2. open type cast-in-situ clear-water concrete flap spiral stairs according to claim 1, is characterized in that: one deck of described spiral stairs has 19 steps.
3. open type cast-in-situ clear-water concrete flap spiral stairs according to claim 2, is characterized in that: two layers of described spiral stairs and more than, every layer of 25 step.
4. the manufacture method of the open type cast-in-situ clear-water concrete flap spiral stairs according to above-mentioned arbitrary claim, it comprises the following steps:
(1), first find out spiral stairs central point, axially offset 60mm, from 4 axial west skew 220mm in south from E;
(2), according to home position, take radius as the round edge line that 2400mm draws that spiral stairs projects to ground;
(3), according to plan, first to mark time with horizon angle be 123.46 degree, last is marked time with horizon angle is 8.54 degree, respective horizontal distance is drawn in computer, that is: 2218mm is measured northwards from an E/4 along 4 axis long, mark a bit, from this strokes and dots straight line parallel in E axle, this line and circle joining are first and mark time outside external corner point, this point and cylindrical center's point are connected good line, other line of marking time must be ejected with 12 degree by hour hands successively from this line, one deck has 19 steps altogether, whether checking most last, to mark time with horizon angle be 8.54 degree, after accurate, external corner point and cylindrical center's point line outside marking time respectively, these length are utilized to carry out actual unwrapping wire snap the line at the construction field (site), two layers to four layer first are marked time with horizon angle is 51.46 degree, and last marks time with horizon angle is 8.54 degree, is 25 steps, and way is identical therewith,
(4), Zhi Haozhu mould, according to the discrepancy in elevation of often mark time hypodermis and absolute altitude control line, on post mould, mark the cloudy corner location of hypodermis of often marking time respectively, then according to step plate, play step plate thickness, post mould draws positive corner location, backmost becomes line to be to mark time, play the phase tangent line of step and cylinder;
(5), according to the thick 30mm of template, the thick 100mm of secondary joist, the thick 100mm of main joist, the thick 50mm of chock, often go up riser height, design often walks lower support support body vertical rod length of marking time;
(6), with the template that concrete directly contacts adopt thick the covering of 15mm to mould composite board, cover and to add thick the covering of one deck 15mm outside inverse composite board and mould composite board and reinforce, mould composite board plate flatness to ensure to cover;
(7), in computer unwrapping wire draws each fan-shaped size of marking time, and after processing, the step of playing often walked to be spliced with step plate and is fixed in carpenter's canopy;
(8), by the template in-site installation in 7, after formwork erection completes, in computer, measure each outward flange arc length of marking time is 502.65mm, whether wrong checks the template installed by this length;
(9), according to design drawing, the good riser reinforcing cage of colligation in advance, when reinforcing bar is installed, the solid length horizontal of upper anchor enters post 600mm, and end is lower curved 300mm again, and reinforcing bar in post can be caused so overstocked, concreting leakiness, for this reason, during reinforcement installation, in post, a reserved diameter 50 is managed, take-off pipe again after waiting reinforcing bar fixing.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760275A (en) * | 2016-11-24 | 2017-05-31 | 中冶建工集团有限公司 | The construction method of stainless steel spiral stairses is installed using sectional shelf-unit |
| CN108789747A (en) * | 2018-06-12 | 2018-11-13 | 成立新 | The processing method of stair wreathed handrail and the processing method of balustrade |
| CN109441031A (en) * | 2018-12-18 | 2019-03-08 | 中铁建工集团有限公司 | The open spiral stairs structure of the concealed overhanging type of structural beams and its construction method |
| CN110145122A (en) * | 2019-05-31 | 2019-08-20 | 南通华新建工集团有限公司 | A kind of spiral stairway mould plate supporting device |
| CN110258987A (en) * | 2019-06-11 | 2019-09-20 | 湖北长安建设集团股份有限公司 | A kind of cast-in-place overhanging type spiral stairs and its construction |
| CN111119502A (en) * | 2019-12-30 | 2020-05-08 | 共享钢构有限责任公司 | Machining method of tool jig frame |
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| CN102864928A (en) * | 2012-10-10 | 2013-01-09 | 江苏南通六建建设集团有限公司 | Construction method for spiral stairs with large-span space |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760275A (en) * | 2016-11-24 | 2017-05-31 | 中冶建工集团有限公司 | The construction method of stainless steel spiral stairses is installed using sectional shelf-unit |
| CN108789747A (en) * | 2018-06-12 | 2018-11-13 | 成立新 | The processing method of stair wreathed handrail and the processing method of balustrade |
| CN108789747B (en) * | 2018-06-12 | 2020-10-02 | 成立新 | Method for processing twisted handrail for stair and method for processing stair handrail |
| CN109441031A (en) * | 2018-12-18 | 2019-03-08 | 中铁建工集团有限公司 | The open spiral stairs structure of the concealed overhanging type of structural beams and its construction method |
| CN109441031B (en) * | 2018-12-18 | 2023-11-14 | 中铁建工集团有限公司 | Structure Liang Yincang type overhanging type open rotary stair structure and construction method thereof |
| CN110145122A (en) * | 2019-05-31 | 2019-08-20 | 南通华新建工集团有限公司 | A kind of spiral stairway mould plate supporting device |
| CN110145122B (en) * | 2019-05-31 | 2021-01-01 | 天长市市政建筑有限责任公司 | Spiral stair template supporting device |
| CN110258987A (en) * | 2019-06-11 | 2019-09-20 | 湖北长安建设集团股份有限公司 | A kind of cast-in-place overhanging type spiral stairs and its construction |
| CN110258987B (en) * | 2019-06-11 | 2023-09-01 | 湖北长安建设集团股份有限公司 | Cast-in-situ overhanging type rotary stair and construction method thereof |
| CN111119502A (en) * | 2019-12-30 | 2020-05-08 | 共享钢构有限责任公司 | Machining method of tool jig frame |
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Inventor after: Zhang Min Inventor after: Qiu Huanran Inventor after: Cao Ning Inventor after: Dong Meijuan Inventor after: Wang Xiaoyue Inventor after: Wang Xianjiang Inventor after: Wang Jie Inventor after: Peng Hongjian Inventor after: Liu Jiadong Inventor after: Cheng Liang Inventor after: Zhao Haifeng Inventor after: Qiao Meng Inventor after: Li Zhihua Inventor before: Zhang Min Inventor before: Wang Jie Inventor before: Wang Xianjiang Inventor before: Peng Hongjian Inventor before: Liu Jiadong |
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