CN109763611B - Construction method of steel structure special-shaped stair - Google Patents
Construction method of steel structure special-shaped stair Download PDFInfo
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- CN109763611B CN109763611B CN201811549772.5A CN201811549772A CN109763611B CN 109763611 B CN109763611 B CN 109763611B CN 201811549772 A CN201811549772 A CN 201811549772A CN 109763611 B CN109763611 B CN 109763611B
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Abstract
The invention discloses a construction method of a steel structure special-shaped stair, which comprises the following steps: a frame building step: building a reinforced wall frame on the ground; the construction of the embedded part comprises the following steps: welding a first steel structure embedded part at the top end of the reinforced wall body frame, and embedding a second steel structure embedded part on the ground; the construction step of the section steel: welding two sides of the section steel on the first steel structure embedded part and the second steel structure embedded part respectively; step of pedal construction: welding one side of the steel pedal on the profile steel, and processing the other side of the steel pedal to form a fixed part; the fixing part extends into the reinforced wall frame and is welded on the reinforced wall frame; the concrete beam construction step: pouring concrete into the section steel and enabling the concrete to completely wrap the section steel to form a concrete beam; and pouring concrete into the reinforced wall frame, and completely wrapping the reinforced wall frame and the fixing part with the concrete to form the concrete wall. The invention can obtain the steel structure special-shaped stair with better strength and reduce the construction difficulty.
Description
Technical Field
The invention relates to a construction method of a stair, in particular to a construction method of a steel structure special-shaped stair.
Background
The stair is an essential component in a building structure, and along with the wider application of high-rise buildings and steel structure buildings in the building industry, various forms of the stair are greatly enriched, on the premise of ensuring the traditional use function of the stair, the special-shaped stair with attractive appearance is widely used, and the stair commonly adopted at present is a concrete stair; the construction process of the traditional concrete stair mainly comprises the steps of installing templates on site, binding reinforcing steel bars, pouring concrete, removing the templates and decorating and finishing the surface layer; when the concrete stair is the dysmorphism structure, the special-shaped stair template installation construction degree of difficulty is big, and the length of stair tread is great, leads to the joint strength step-down of footboard, probably breaks off and seriously warp to cause serious incident's problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a construction method of a steel structure special-shaped stair, which can obtain the steel structure special-shaped stair with better strength and reduce the construction difficulty.
The purpose of the invention is realized by adopting the following technical scheme:
a construction method of a steel structure special-shaped stair comprises the following steps:
a frame building step: building a reinforced wall frame on the ground;
the construction of the embedded part comprises the following steps: welding a first steel structure embedded part at the top end of the reinforced wall body frame, and embedding a second steel structure embedded part on the ground;
the construction step of the section steel: welding two sides of profile steel on the first steel structure embedded part and the second steel structure embedded part respectively;
step of pedal construction: welding one side of the steel pedal on the profile steel, and processing the other side of the steel pedal to form a fixed part; extending the fixing part into the reinforced wall frame and welding the fixing part on the reinforced wall frame;
the concrete beam construction step: pouring concrete to the section steel and enabling the concrete to completely wrap the section steel to form a concrete beam;
the concrete wall construction step: and pouring concrete into the reinforced wall body frame and enabling the concrete to completely wrap the reinforced wall body frame and the fixing part to form the concrete wall.
Further, in the step of constructing the pedal, after welding one side of the steel pedal to the section steel is completed, the first reinforcing rib is welded between the steel pedal and the section steel.
Further, in the concrete beam construction step, before the section steel is poured with concrete, second reinforcing ribs are arranged on two sides of the section steel; welding two ends of the second reinforcing rib on the first steel structure embedded part and the second steel structure embedded part respectively; and the second reinforcing ribs are wrapped on the concrete beam.
Further, after the step of pedal construction, placing a third reinforcing rib on the steel pedal; and pouring concrete into the third reinforcing rib and enabling the concrete to be completely wrapped by the third reinforcing rib so as to form a concrete reinforcing layer attached to the steel pedal.
Further, after the concrete reinforcing layer is formed, pervious concrete is poured onto the upper surface of the concrete reinforcing layer to form a pervious concrete layer attached to the concrete reinforcing layer.
Further, a groove is processed on the pedal, and the concrete reinforcing layer and the pervious concrete layer are arranged in the groove; and a water outlet is formed in the groove.
Furthermore, a drain pipe is installed at the drain opening, and a filter screen for sealing the drain opening is installed at the drain opening.
Further, a steel wire mesh is adopted as the filter screen.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, one side of the steel pedal is welded on the profile steel, the fixing part on the other side of the steel pedal is welded on the reinforced wall body frame, and the reinforced wall body frame and the fixing part are wrapped by concrete, so that the connection strength of the steel pedal installation node is improved, then the profile steel is completely wrapped by the concrete to form the concrete beam, and the reinforced wall body frame is completely wrapped by the concrete to form the concrete wall, so that the concrete beam and the concrete wall with better strength are formed, and further the steel-structure special-shaped stair with higher strength can be obtained.
Moreover, the construction of concrete beam can be realized through the setting of shaped steel, first steel construction built-in fitting and second steel construction built-in fitting, and can realize the installation of steel footboard through the setting that need not shaped steel and steel wall body frame, need not to set up the template, reduces the construction degree of difficulty.
Drawings
FIG. 1 is a flow chart of a construction method of the steel structure special-shaped stair of the invention;
fig. 2 is a schematic structural view of the steel-structured special-shaped staircase.
In the figure: 10. a first steel structure embedded part; 20. a second steel structure embedded part; 30. a concrete beam; 31. section steel; 40. a steel pedal; 50. a concrete wall.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The construction method of the steel structure special-shaped stair shown in the figures 1-2 comprises the following steps:
a frame building step: building a reinforced wall frame on the ground;
the construction of the embedded part comprises the following steps: welding a first steel structure embedded part 10 at the top end of the reinforced wall body frame, and embedding a second steel structure embedded part 20 on the ground;
the construction step of the section steel 31: respectively welding two sides of the section steel 31 on a first steel structure embedded part 10 and a second steel structure embedded part 20; thus, the installation of the section steel 31 is completed;
step of pedal construction: welding one side of the steel pedal 40 on the section steel 31; processing and forming a fixing part on the other side of the steel pedal 40; the fixing part extends into the reinforced wall frame and is welded on the reinforced wall frame;
the concrete beam 30 construction step: pouring concrete into the section steel 31 and enabling the concrete to completely wrap the section steel 31 to form a concrete beam 30;
the concrete wall 50 construction steps: pouring concrete into the reinforced wall frame and enabling the concrete to completely wrap the reinforced wall frame and the fixing part to form a concrete wall 50; at this time, the concrete wall 50 and the reinforced wall frame constitute a shear wall.
In the above steps, the two sides of the steel pedal 40 are respectively welded on the section steel 31 and the reinforced wall frame, so that the connection strength of the two sides of the steel pedal 40 is ensured, and the reinforced wall frame and the fixing part are completely wrapped by matching with concrete, so that the connection strength of the steel pedal 40 is further improved; the concrete beam 30 is completely wrapped with the section steel 31, the section steel 31 improves the strength of the concrete beam 30, the concrete wall 50 is completely wrapped with the reinforced wall framework, the reinforced wall framework improves the strength of the concrete wall 50, and then the steel structure special-shaped stair with better strength can be obtained.
Moreover, the construction of the concrete beam 30 can be realized through the arrangement of the section steel 31, the first steel structure embedded part 10 and the second steel structure embedded part 20, and the installation of the steel pedal 40 can be realized through the arrangement of the section steel 31 and the reinforced wall body frame; so, adopt the cooperation of steel structures such as shaped steel 31, first steel construction built-in fitting 10, the 20 steel construction of second steel construction built-in fitting, steel wall body frame and steel footboard 40 to can realize the installation through the welded mode, need not to build the template, reduce the construction degree of difficulty.
The section steel 31 may be H-shaped steel 31, which further increases the strength of the concrete beam 30.
In order to further improve the connection strength of the steel step 40, it is preferable that a first reinforcing rib is welded between the steel step 40 and the section steel 31 after welding one side of the steel step 40 to the section steel 31 is completed in the step of constructing the step.
In order to improve the strength of the concrete beam 30, further, in the construction step of the concrete beam 30, before the concrete is poured into the section steel 31, second reinforcing ribs are arranged on two sides of the section steel; respectively welding two ends of a second reinforcing rib on the first steel structure embedded part 10 and the second steel structure embedded part 20; and the concrete beam 30 is wrapped around the second reinforcing bead.
In order to improve the strength of the steel step 40, specifically, after the step of constructing the step, a third reinforcing rib is placed on the steel step 40; and pouring concrete to the third reinforcing rib and completely wrapping the third reinforcing rib by the concrete to form a concrete reinforcing layer attached to the steel pedal 40, wherein the third reinforcing rib improves the strength of the concrete reinforcing layer, and the concrete reinforcing layer improves the strength of the steel pedal 40.
Because the surface of the concrete reinforcing layer is difficult to level and water is easy to accumulate, in the embodiment, preferably, after the concrete reinforcing layer is formed, the permeable concrete is poured on the upper surface of the concrete reinforcing layer to form a permeable concrete layer attached to the concrete reinforcing layer, and the accumulated water is discharged through the permeable concrete layer.
Processing a groove on the pedal, and arranging a concrete reinforcing layer and a pervious concrete layer in the groove; the groove is convenient for shaping the concrete reinforcing layer and the pervious concrete layer; furthermore, in order to facilitate the water drainage of the permeable concrete layer, a water outlet is arranged in the groove.
The drain pipe is installed at the drain opening, and in order to avoid the water-permeable concrete of the water-permeable concrete layer from blocking the drain pipe, the filter screen of the water outlet of the cover is installed at the drain opening.
Preferably, a steel mesh is used as the filter screen.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (5)
1. A construction method of a steel structure special-shaped stair is characterized by comprising the following steps:
a frame building step: building a reinforced wall frame on the ground;
the construction of the embedded part comprises the following steps: welding a first steel structure embedded part at the top end of the reinforced wall body frame, and embedding a second steel structure embedded part on the ground;
the construction step of the section steel: welding two sides of profile steel on the first steel structure embedded part and the second steel structure embedded part respectively;
step of pedal construction: welding one side of the steel pedal on the profile steel, and processing the other side of the steel pedal to form a fixed part; extending the fixing part into the reinforced wall frame and welding the fixing part on the reinforced wall frame;
the concrete beam construction step: pouring concrete to the section steel and enabling the concrete to completely wrap the section steel to form a concrete beam;
the concrete wall construction step: pouring concrete into the reinforced wall frame and enabling the concrete to completely wrap the reinforced wall frame and the fixing part to form a concrete wall;
after the step of pedal construction, placing a third reinforcing rib on the steel pedal; pouring concrete into the third reinforcing ribs and enabling the concrete to completely wrap the third reinforcing ribs to form a concrete reinforcing layer attached to the steel pedal;
after the concrete reinforcing layer is formed, pouring pervious concrete on the upper surface of the concrete reinforcing layer to form a pervious concrete layer attached to the concrete reinforcing layer;
processing a groove on the pedal, and arranging the concrete reinforcing layer and the pervious concrete layer in the groove; and a water outlet is formed in the groove.
2. The construction method of the steel structure special-shaped stair as claimed in claim 1, wherein: in the step of pedal construction, after welding one side of the steel pedal to the section steel, welding a first reinforcing rib between the steel pedal and the section steel.
3. The construction method of the steel structure special-shaped stair as claimed in claim 1, wherein: in the concrete beam construction step, before the section steel is poured with concrete, second reinforcing ribs are arranged on two sides of the section steel; welding two ends of the second reinforcing rib on the first steel structure embedded part and the second steel structure embedded part respectively; and the second reinforcing ribs are wrapped on the concrete beam.
4. The construction method of the steel structure special-shaped stair as claimed in claim 1, wherein: the water outlet is provided with a water outlet pipe, and the water outlet is provided with a sealing cover.
5. The construction method of the steel structure special-shaped stair as claimed in claim 4, wherein: and adopting a steel wire mesh as the filter screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811549772.5A CN109763611B (en) | 2018-12-18 | 2018-12-18 | Construction method of steel structure special-shaped stair |
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| CN201811549772.5A CN109763611B (en) | 2018-12-18 | 2018-12-18 | Construction method of steel structure special-shaped stair |
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| CN109763611A CN109763611A (en) | 2019-05-17 |
| CN109763611B true CN109763611B (en) | 2021-02-02 |
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| CN111460567B (en) * | 2020-04-17 | 2022-11-15 | 同瀚建筑科技(杭州)有限公司 | BIM-based stair surface clear height inspection system, application system-based stair surface clear height inspection method and process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108915180A (en) * | 2018-08-20 | 2018-11-30 | 柏林 | A kind of steel building stair |
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| KR100644971B1 (en) * | 2005-02-21 | 2006-11-14 | 두하요코모리주식회사 | Steel stair utilizing steel reinforced concrete step |
| CN202391036U (en) * | 2012-04-28 | 2012-08-22 | 沈阳中辰钢结构工程有限公司 | House steel ladder with multistory and high-rise steel structure |
| CN203452292U (en) * | 2013-08-28 | 2014-02-26 | 上海敬润园林建设工程有限公司 | Garden steps |
| CN104264920B (en) * | 2014-09-09 | 2017-04-12 | 中国建筑第八工程局有限公司 | Construction method of ultrahigh large-curvature circular spiral as-cast-finish stair |
| CN204510651U (en) * | 2015-03-23 | 2015-07-29 | 江西中煤建设集团有限公司 | A kind of H profile steel Combined concrete stair |
| CN105804340A (en) * | 2016-04-18 | 2016-07-27 | 深圳瑞和建筑装饰股份有限公司 | Spiral stair and building method thereof |
| CN206385749U (en) * | 2017-01-11 | 2017-08-08 | 付红 | A kind of prefabricated stringer type stairway of lightweight concrete light-gauge steel section |
| CN208039667U (en) * | 2018-04-02 | 2018-11-02 | 湖北索亚建设工程有限公司 | Assembled wallboard staircase structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108915180A (en) * | 2018-08-20 | 2018-11-30 | 柏林 | A kind of steel building stair |
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