CN103790295B - Reinforced concrete stairs structure and construction method thereof - Google Patents
Reinforced concrete stairs structure and construction method thereof Download PDFInfo
- Publication number
- CN103790295B CN103790295B CN201410065680.5A CN201410065680A CN103790295B CN 103790295 B CN103790295 B CN 103790295B CN 201410065680 A CN201410065680 A CN 201410065680A CN 103790295 B CN103790295 B CN 103790295B
- Authority
- CN
- China
- Prior art keywords
- platform
- gangboard
- ladder
- stair
- reinforced concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to a kind of reinforced concrete stairs structure and construction method thereof.This construction method includes: set up gangboard, ladder beam and the template of platform；Colligation gangboard reinforcing bar, ladder beam steel and platform reinforcing bar, by the upper reinforcement in gangboard reinforcing bar together with ladder beam steel and platform reinforcing bar binding；Implement concreting, including；Pour ladder beam concrete, form ladder beam；Casting platform concrete, forms platform；Pour gangboard concrete, and floating formation ledge structure；Being provided with buffer structure between the bottom and installed surface of gangboard, described buffer structure includes free gap and is located at the first sealing coat on described installed surface；After the concrete setting poured, remove gangboard, ladder beam and the template of platform, form reinforced concrete stairs structure.This construction method is simple, workable, low cost, is possible to prevent under earthquake the structural deterioration produced.
Description
Technical field
The present invention relates to building field, espespecially a kind of reinforced concrete stairs structure and construction method thereof.
Background technology
China is the country that an earthquake is multiple, and the whole nation, in addition to minority saves, all occurred more than 6 grades
Earthquake.The area in basic earthquake intensity 6 degree and above area accounts for whole area more than 2/3.
Earthquake causes casualties and economic loss is serious, and its main cause is the destruction of building construction and falls
Collapse.Earthquake also reflects more existing building structure or the Aseismic Design of structural elements (such as stair)
It is difficult to meet people to living environment and the demand for security of good life.
A large amount of frame structures and framework in earthquake) stair of shear wall structure middle frame part suffer more
Serious destruction, the frame column being connected with stair has damaged.Currently, conventional design does not considers
Stair participate in overall structure cooperation, stair self are not carried out Aseismic Design.Actually on ground
Earthquake centre stair premiere feature should be evacuation, rescue passage, act as first anti-vibration defense lines.Right
In the research of the anti-seismic performance of stair, engineering staff proposes some and strengthens structure or component shock resistance
Earthquake resistant construction and method, as stair self carried out Aseismic Design, strengthen staircase frame column or
Newel is changed into frame column, and staircase design is become armored concrete or brick shear wall structure
Deng.Above-mentioned Seismic Design Method and measure can strengthen the shock resistance of stair to a certain extent and subtract
Light earthquake disaster, but can not fundamentally change the stair unfavorable shadow to agent structure in building structure
Ring, its structural damage pattern can not be changed, therefore be still unsatisfactory for the requirement of antidetonation.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of reinforced concrete stairs knot
Structure and construction method thereof, can solve in existing staircase design that shock strength is not enough and stair are to main body
The problem of the adverse effect of structure.
The technical scheme realizing above-mentioned purpose is:
The construction method of a kind of reinforced concrete stairs of the present invention, including:
Set up gangboard, ladder beam and the template of platform；
Colligation gangboard reinforcing bar, ladder beam steel and platform reinforcing bar, by the top rebars in gangboard reinforcing bar
Together with ladder beam steel and platform reinforcing bar binding；
Implement concreting, including: pour ladder beam concrete, form ladder beam；Casting platform coagulation
Soil, forms platform；Pour gangboard concrete, and floating formation ledge structure；The bottom of gangboard with
Being provided with buffer structure between installed surface, described buffer structure includes free gap and is located at described installed surface
On the first sealing coat；
After the concrete setting poured, remove gangboard, ladder beam and the template of platform, form steel
Reinforced concrete staircase structure.
Use the top of gangboard reinforcing bar together with ladder beam steel and platform reinforcing bar binding, then pour mixed
Solidifying soil anchoring forms overall structure.Make the sound construction between stair, platform and ladder beam, increase
The shock strength that stair are overall.Arranging buffer structure bottom gangboard and between installed surface, this buffering is tied
Structure is free gap and the first sealing coat, buffers stair and installed surface in earthquake by the first sealing coat
The intermolecular forces of structure, reduces the staircase component impact on the installed surface rigidity of structure, and stair undertake simultaneously
Horizontal seismic force also reduce, beneficially stair and platform and the ladder integrally-built antidetonation of beam.Pass through
Free gap is set between gangboard base plate and installed surface so that gangboard in a deformed state can be free
Shrink, present removable state, solve the stair adverse effect to agent structure, it addition, stair and
, into a single integrated structure between platform and ladder beam due to reinforcing bar binding together, it is possible to prevent building in earthquake
Ladder landing from platform.Use the stair that above-mentioned construction method obtains, it is possible to reduce building when earthquake occurs
The earthquake of ladder so that stair become escape and the reliable passage of rescue.Simultaneously construction method simple, can
Strong operability, low cost, it is possible to prevent under earthquake the structural deterioration produced.
Further improvement is that of the construction method of reinforced concrete stairs of the present invention, the first floor of constructing
During ladder, described installed surface is ladder beam at ground, first pours ladder beam concrete at ground, then implements first
The concreting of floor ladder.
Further improvement is that of the construction method of reinforced concrete stairs of the present invention, except ground floor stair
Outward, described installed surface is the platform of lower first floor ladder, after the construction of lower first floor ladder terminates, then on carrying out
First floor ladder is constructed.Further improvement is that of the construction method of reinforced concrete stairs of the present invention, in
Form building coats on ground and platform, between described building coats and floor, be provided with the second isolation
Layer.
Further improvement is that of the construction method of reinforced concrete stairs of the present invention, described first isolation
The thickness of layer is 3 millimeters to 7 millimeters, and the thickness of described second sealing coat is 40 millimeters to 60 millimeters.
One reinforced concrete stairs structure of the present invention, including platform, the ladder of the support described platform of connection
Beam and top and described platform and the gangboard of described ladder beam anchor connection, the bottom of described gangboard is put
Also and being provided with buffer structure between described installed surface on installed surface, described buffer structure includes activity
Gap and be located at the first sealing coat on described installed surface.
Further improvement is that of reinforced concrete stairs structure of the present invention, the installed surface of ground floor stair
For ladder beam at ground.
Further improvement is that of reinforced concrete stairs structure of the present invention, in addition to ground floor stair, institute
State the platform that installed surface is lower first floor ladder.
Further improvement is that of reinforced concrete stairs structure of the present invention, with ground on described platform
On be provided with building coats, be provided with the second sealing coat between described building coats and described gangboard.
Further improvement is that of reinforced concrete stairs structure of the present invention, the thickness of described first sealing coat
Degree is 3 millimeters to 7 millimeters, and described second separation layer thickness is 40 millimeters to 60 millimeters.
Accompanying drawing explanation
Fig. 1 is the flow chart of the construction method of reinforced concrete stairs of the present invention；
Fig. 2 is the schematic diagram of reinforced concrete stairs structure of the present invention；
Fig. 3 is the close-up schematic view in Fig. 2 at location A；
Fig. 4 is the close-up schematic view in Fig. 2 at B location.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 shows the flow process of the construction method of reinforced concrete stairs of the present invention.Fig. 2 shows this
The schematic diagram of invention reinforced concrete stairs structure.Reinforced concrete stairs structure of the present invention and construction thereof
In method, the top of employing gangboard reinforcing bar, is then watered with platform reinforcing bar together with ladder beam steel bar colligation
Build anchoring and form an overall structure so that the terraced beam below gangboard and platform and platform becomes one
Individual entirety, improves the shock strength of entirety.Buffer structure it is provided with bottom gangboard and between installed surface,
At gangboard and ground, i.e. between ladder beam, be provided with the first sealing coat and free gap, gangboard and next
Also being provided with the first sealing coat and free gap between the platform of floor ladder, free gap provides for gangboard
The space of free shrink during deformation, by the first sealing coat can buffer in earthquake stair and platform and
Active force between ladder girder construction, reduces staircase component to platform and the impact of ladder girder construction rigidity.This
It is strong that invention reinforced concrete stairs structure and construction method thereof have antidetonation, reduces stair to agent structure
The feature such as adverse effect.Below in conjunction with the accompanying drawings, to reinforced concrete stairs structure of the present invention and execute
Work method illustrates.
As in figure 2 it is shown, be the schematic diagram of reinforced concrete stairs structure of the present invention.Below in conjunction with Fig. 2
Reinforced concrete stairs structure of the present invention is illustrated.
Reinforced concrete stairs structure of the present invention include platform 30, support connecting platform 30 terraced beam 20,
And top and platform 30 and the gangboard 10 of terraced beam 20 anchor connection, this anchor connection is by gangboard
Reinforcing bar is together with platform reinforcing bar and ladder beam steel bar colligation, and then casting concrete solidifies.Gangboard 10
Bottom be placed on installed surface, and and installed surface between be installed with buffer structure 50.
Reinforced concrete stairs structure of the present invention is in construction, and the bottom of ground floor stair is placed at ground
On ladder beam.Referring to Fig. 3, it is the partial enlargement of ladder beam at bottom and the ground of ground floor stair
Figure.Shown in Fig. 3, the bottom of gangboard 10 is placed at ground on ladder beam 20, with ground at ladder
Being installed with buffer structure 50 between beam 20, buffer structure 50 includes free gap 501 and is located at
The first sealing coat 502 on ladder beam 20 at ground, the first sealing coat 502 is placed in free gap 501
Lower section.As a better embodiment of the present invention, on ground, it is equipped with building coats 40,
Building coats 40 is above the ground level and locates the height of ladder beam 20, is provided with second with gangboard 10 bottom junctions
Sealing coat 401, the second sealing coat connected with stairway step is placed in the inside of stairway step.
In addition to ground floor stair, the bottom of other floors ladder be placed in adjacent lower stair platform it
On, illustrate as a example by second layer stair and ground floor stair junction.Referring to 4, it is ladder
With the close-up schematic view of lower first floor ladder platform bottom plate.Shown in Fig. 4, second layer stair
The bottom of gangboard 10 be placed on the platform 30 of ground floor stair, with the platform of ground floor stair
Being installed with buffer structure 50 between 30, buffer structure 50 includes free gap 501 and is located at first
The first sealing coat 502 on the platform 30 of floor ladder, is located at the lower section of free gap 501.?
Building coats 40, building coats 40 and the second floor it is equipped with on the platform 30 of ground floor stair
Ladder connecting place is provided with the second sealing coat 401, and this second sealing coat 401 is placed in the step of second layer stair
Internal.
First sealing coat 502 is flexible material, can use politef, the first sealing coat 502
Thickness be 3 millimeters to 7 millimeters, preferred thickness is 5 millimeters.Second sealing coat 401 is also flexible
Material, can use polyphenyl lath, the thickness of the second sealing coat 401 is 40 millimeters to 60 millimeters,
Preferred thickness is 50 millimeters.Buffered in earthquake by sealing coat and act between stair and ladder girder construction
Power, reduces the staircase component impact on ladder girder construction rigidity, and the horizontal seismic force that stair undertake simultaneously is also
Reduce, beneficially stair and the ladder integrally-built antidetonation of beam.One is arranged between gangboard base plate and ladder beam
Fixed gap, this gap is free gap so that gangboard in a deformed state can with free shrink, in
Now may move state, solve the stair adverse effect to agent structure.
Having the beneficial effect that of reinforced concrete stairs structure of the present invention
Between terraced beam below gangboard and the platform on its top and this platform, anchor connection forms entirety
Structure so that be connected firmly between stair, platform and ladder beam, increase the shock strength that stair are overall.
Being provided with sealing coat and free gap bottom gangboard and between installed surface, this installed surface is ground
At face ladder beam or be lower first floor ladder platform, by sealing coat buffer earthquake stair at the middle and upper levels with
The intermolecular forces of ladder girder construction at lower floor's platform or ground, reduces staircase component to lower floor's platform and ground
The impact of ladder girder construction rigidity at face, the horizontal seismic force that stair undertake simultaneously also reduces, beneficially building
Ladder and platform and the ladder integrally-built antidetonation of beam.Free gap makes gangboard the most permissible
Free shrink, presents removable state, solves the stair adverse effect to agent structure.
Use reinforced concrete stairs structure of the present invention, it is possible to reduce the earthquake of stair when earthquake occurs,
Stair are made to become escape and the reliable passage of rescue.Simple in construction, workable simultaneously, cost
Low, it is possible to prevent under earthquake the structural deterioration produced.
As it is shown in figure 1, be the flow chart of the construction method of reinforced concrete stairs of the present invention.Tie below
Close Fig. 1, the construction method of reinforced concrete stairs of the present invention is illustrated.
Perform step S10, set up gangboard, ladder beam and the template of platform, first install the mould of bottom
Plate sets up the template on upper strata the most again.Referring to Fig. 2, what it was reinforced concrete stairs of the present invention executes
The staircase structure schematic diagram of work method.Shown in Fig. 2, when pouring the stair of ground floor, first install
The template of the terraced beam 20 of Stall and the template of platform 30 terraced beam 20 below, then install gangboard
The template of 10, then set up the template of platform 30.It is located at ground bottom the stair of ground floor in construction
On place's ladder beam 20, all it is provided at bottom the stair of other layers on the platform 30 of lower first floor ladder.
Then step S11 is performed.
Perform step S11, colligation gangboard reinforcing bar, ladder beam steel and platform reinforcing bar.In conjunction with Fig. 4 institute
Show, colligation ladder beam steel 201 in the template of ladder beam 20, colligation gangboard in the template of gangboard 10
Reinforcing bar 101, colligation platform reinforcing bar 301 in the template of platform 30, by the top of gangboard reinforcing bar 101
Together with ladder beam steel 201 and platform reinforcing bar 301 colligation so that after follow-up casting concrete, ladder
Slab muscle 101 and ladder beam steel 201 and together with platform reinforcing bar 301 is anchored at, gangboard 10 and its
Terraced beam 20 below the platform 30 of top connection and platform 30 constitutes an overall structure, increases
The shock strength that strong stair are overall.Then step S12 is performed.
Perform step S12, implement concreting, form ladder beam, platform and the Step-edge Junction of gangboard
Structure.Shown in Fig. 3, it is shown that the enlarged diagram of location A in Fig. 2.When stair are constructed,
Should first the construction of ground floor be completed, according to design in advance, the bottom of ground floor stair is placed in ground
On place's ladder beam, so before construction ground floor stair, first pouring the ladder at place bottom ground floor stair
Ladder beam 20 at beam, i.e. ground, after at ground, the concreting of ladder beam 20 completes, ladder at ground
The top of beam 20 arranges the first sealing coat 502, and the first sealing coat 502 uses flexible material, permissible
For politef or cement mortar.The thickness of the first sealing coat 502 is 3 millimeters to 7 millimeters,
Preferred thickness is 5 millimeters.Buffered in earthquake by sealing coat and act between stair and ladder girder construction
Power, reduces the staircase component impact on ladder girder construction rigidity, and the horizontal seismic force that stair undertake simultaneously is also
Reduce, beneficially stair and the ladder integrally-built antidetonation of beam.
After the concreting of ladder beam is good at ground, the terraced beam coagulation at ground floor stair top can be poured
Soil, pours the formation terraced beam at ground floor stair top, platform and the ledge structure of ground floor stair.
Shown in Fig. 4, owing to gangboard reinforcing bar 101, ladder beam steel 201 and platform reinforcing bar 301 exist
Platform 30 is together with the junction colligation of gangboard 10, and above-mentioned Bar Anchorage is existed by the concrete poured
Together so that the terraced beam 20 below the connected platform of stair 30 and platform 30 forms entirety
Structure, increases overall shock strength, it is also possible to prevent stair landing from platform in earthquake.Then
Perform step S13.
Perform step S13, be installed with buffer structure in the bottom of gangboard and installed surface junction.In conjunction with
Shown in Fig. 3, the bottom of ground floor stair gangboard 10 is located at ground on ladder beam 20, at ground
Being installed with buffer structure 50 between ladder beam 20, buffer structure 50 includes free gap 501 and sets
The first sealing coat 501 on ladder beam 20 at ground, this free gap makes gangboard at deformation shape
Removable state can be presented with free shrink under state, solve the stair adverse effect to agent structure.
In ground floor stair are constructed, can the construction of the simultaneously building coats 40 in face, this building
Surface layer 40 is above the ground level and locates the height of ladder beam 20, is provided with the second sealing coat 401 with gangboard 10 junction,
The second sealing coat connected with stairway step is placed in the inside of stairway step.Second sealing coat 401 uses
Flexible material, this flexible material is polyphenyl lath.The thickness of the second sealing coat 401 be 40 millimeters extremely
60 millimeters, preferred thickness is 50 millimeters.
Shown in Fig. 4, after pouring formation platform 30, in platform 30 and the gangboard of last layer stair
Arranging buffer structure 50 between 10, buffer structure 50 includes free gap 501 and is located at ground floor
The first sealing coat 502 on the platform 30 of stair, the platform 30 of ground floor stair is the second floor
The installed surface of ladder gangboard.First sealing coat 502 uses flexible material, can be politef or
Cement mortar.The thickness of the first sealing coat 502 is 3 millimeters to 7 millimeters, and preferred thickness is 5 millimeters.
Buffer stair and the intermolecular forces of platform structure in earthquake by sealing coat, reduce staircase component to flat
The impact of the platform rigidity of structure, the horizontal seismic force that stair undertake simultaneously also reduces, beneficially stair peace
The integrally-built antidetonation of platform.
After platform 30 is formed, the construction of building coats 40 at this platform 30, construction can be carried out
During building coats 40, the second sealing coat 401 is set with last layer stair gangboard 10 junction, second
Sealing coat 401 uses flexible material, and this flexible material is polyphenyl lath.The thickness of the second sealing coat is
40 millimeters to 60 millimeters, preferred thickness is 50 millimeters.Then step S14 is performed.
Perform step S14, after concrete setting, remove gangboard template, ladder beam forms and platform mould
Plate.
This completes the construction of ground floor stair, then circulate above-mentioned steps, with ground floor stair
Difference be, construct second layer stair, the bottom of second layer stair gangboard 10 is placed in ground floor
On landing 30, and between ground floor landing 30, it is provided with buffer structure 50.Construction the
During three floor ladders, the bottom of third layer stair gangboard is placed on the platform of second layer stair, with
Being provided with buffer structure 50 between two layers of landing, the above-mentioned construction procedure of repetitive cycling is until stair are executed
Work is complete.
Use the beneficial effect of the construction method of reinforced concrete stairs of the present invention:
Use the top of gangboard reinforcing bar together with ladder beam steel and platform reinforcing bar binding, then pour mixed
Solidifying soil anchoring forms overall structure.Make the sound construction between stair, platform and ladder beam, increase
The shock strength that stair are overall.
Bottom gangboard and between platform and between gangboard and ladder beam, sealing coat is set, passes through sealing coat
Buffer stair and platform and the intermolecular forces of ladder girder construction in earthquake, reduce staircase component to platform with
Ladder girder construction rigidity impact, the horizontal seismic force that stair undertake simultaneously also reduces, beneficially stair and
Platform and the ladder integrally-built antidetonation of beam.
Between gangboard base plate and platform and between gangboard and ladder beam, certain gap is set, this gap
For free gap so that gangboard can present removable state with free shrink in a deformed state, solve
The certainly stair adverse effect to agent structure.
It is, into a single integrated structure it addition, between stair and platform and ladder beam due to reinforcing bar binding together,
It is possible to prevent stair landing from platform in earthquake.Use the stair that above-mentioned construction method obtains, it is possible to
Reduce the earthquake of stair when earthquake occurs so that stair become escape and the reliable passage of rescue.Simultaneously
Construction method is simple, workable, low cost, is possible to prevent under earthquake the structural deterioration produced.
Above in association with accompanying drawing embodiment, the present invention is described in detail, ordinary skill people in this area
The present invention can be made many variations example by member according to the above description.Thus, some details in embodiment
Should not constitute limitation of the invention, the present invention by the scope that defines using appended claims as this
The protection domain of invention.
Claims (8)
1. the construction method of a reinforced concrete stairs, it is characterised in that including:
Set up gangboard, ladder beam and the template of platform；
Colligation gangboard reinforcing bar, ladder beam steel and platform reinforcing bar, by the top of gangboard reinforcing bar and ladder beam
Reinforcing bar is together with platform reinforcing bar binding；
Implement concreting, including: pour ladder beam concrete, form ladder beam；Casting platform coagulation
Soil, forms platform；Pour gangboard concrete, and floating formation ledge structure；The bottom of gangboard with
Being provided with buffer structure between installed surface, described buffer structure includes free gap and is located at described installed surface
On the first sealing coat；
On ground and platform, form building coats, between described building coats and gangboard, be provided with the
Two sealing coats, described second sealing coat is placed in the inside of the ledge structure of described gangboard；
After the concrete setting poured, remove gangboard, ladder beam and the template of platform, form steel
Reinforced concrete staircase structure.
2. the construction method of reinforced concrete stairs as claimed in claim 1, it is characterised in that
During construction ground floor stair, described installed surface is ladder beam at ground, first pours ladder beam concrete at ground,
Implement the concreting of ground floor stair again.
3. the construction method of reinforced concrete stairs as claimed in claim 2, it is characterised in that
In addition to ground floor stair, described installed surface is the platform of lower first floor ladder, and the construction of lower first floor ladder terminates
After, then carry out last layer stair construction.
4. the construction method of reinforced concrete stairs as claimed in claim 1, it is characterised in that
The thickness of described first sealing coat is 3 millimeters to 7 millimeters, and described second separation layer thickness is 40 millis
Rice is to 60 millimeters.
5. a reinforced concrete stairs structure, it is characterised in that include platform, support connection institute
State the terraced beam of platform and top and described platform and the gangboard of described ladder beam anchor connection, described ladder
The bottom of plate be placed on installed surface and and described installed surface between be provided with buffer structure, described buffering is tied
Structure includes free gap and is located at the first sealing coat on described installed surface, on described platform and ground
It is provided with building coats on face, between described building coats and gangboard, is provided with the second sealing coat, described
Two sealing coats are placed in the inside of the ledge structure of described gangboard.
6. reinforced concrete stairs structure as claimed in claim 5, it is characterised in that ground floor
The installed surface of stair is ladder beam at ground.
7. reinforced concrete stairs structure as claimed in claim 6, it is characterised in that except first
Outside floor ladder, described installed surface is the platform of lower first floor ladder.
8. reinforced concrete stairs structure as claimed in claim 5, it is characterised in that described first
The thickness of sealing coat is 3 millimeters to 7 millimeters, described second separation layer thickness be 40 millimeters to 60
Millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065680.5A CN103790295B (en) | 2014-02-26 | 2014-02-26 | Reinforced concrete stairs structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065680.5A CN103790295B (en) | 2014-02-26 | 2014-02-26 | Reinforced concrete stairs structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790295A CN103790295A (en) | 2014-05-14 |
| CN103790295B true CN103790295B (en) | 2016-08-17 |
Family
ID=50666311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410065680.5A Active CN103790295B (en) | 2014-02-26 | 2014-02-26 | Reinforced concrete stairs structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790295B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533033B (en) * | 2014-12-17 | 2017-03-08 | 中衡设计集团股份有限公司 | Stair using side-rolling ladder beam |
| CN107642207A (en) * | 2017-10-31 | 2018-01-30 | 江苏金贸科技发展有限公司 | A kind of assembled stair attachment means |
| CN111485686A (en) * | 2019-01-25 | 2020-08-04 | 河南天久装配式建筑有限公司 | Light sandwich reinforced concrete stair structure and construction method |
| CN110219422A (en) * | 2019-07-01 | 2019-09-10 | 中国建筑第五工程局有限公司 | Anti-seismic concrete staircase design method |
| CN111706017B (en) * | 2020-06-10 | 2021-06-25 | 中和华丰建设有限责任公司 | Reinforced concrete stair construction method |
| CN113653274B (en) * | 2021-08-26 | 2022-09-06 | 中信建筑设计研究总院有限公司 | Method for processing insufficient net height of stair platform |
| CN114941382B (en) * | 2022-05-31 | 2023-12-08 | 中建八局总承包建设有限公司 | Waterproof node for concrete structure and steel stair and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06220970A (en) * | 1993-01-27 | 1994-08-09 | Takenaka Komuten Co Ltd | Staircase device |
| JP2001081923A (en) * | 1999-09-09 | 2001-03-27 | Tsuru Gakuen | Stair structure |
| CN202117247U (en) * | 2011-06-21 | 2012-01-18 | 昆明有色冶金设计研究院股份公司 | Stairway capable of eliminating diagonal bracing effect |
| CN202227611U (en) * | 2011-08-31 | 2012-05-23 | 中国建筑西南设计研究院有限公司 | Separated shock-absorption stair |
| CN102605909A (en) * | 2012-04-06 | 2012-07-25 | 北京工业大学 | Reinforced concrete platy stair with simple sliding support and construction method |
| CN203783004U (en) * | 2014-02-26 | 2014-08-20 | 中国建筑第八工程局有限公司 | Reinforced concrete stair structure |
-
2014
- 2014-02-26 CN CN201410065680.5A patent/CN103790295B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06220970A (en) * | 1993-01-27 | 1994-08-09 | Takenaka Komuten Co Ltd | Staircase device |
| JP2001081923A (en) * | 1999-09-09 | 2001-03-27 | Tsuru Gakuen | Stair structure |
| CN202117247U (en) * | 2011-06-21 | 2012-01-18 | 昆明有色冶金设计研究院股份公司 | Stairway capable of eliminating diagonal bracing effect |
| CN202227611U (en) * | 2011-08-31 | 2012-05-23 | 中国建筑西南设计研究院有限公司 | Separated shock-absorption stair |
| CN102605909A (en) * | 2012-04-06 | 2012-07-25 | 北京工业大学 | Reinforced concrete platy stair with simple sliding support and construction method |
| CN203783004U (en) * | 2014-02-26 | 2014-08-20 | 中国建筑第八工程局有限公司 | Reinforced concrete stair structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103790295A (en) | 2014-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103790295B (en) | Reinforced concrete stairs structure and construction method thereof | |
| CN103046645B (en) | A kind of whole casting structure and construction method of Large-span Precast | |
| CN107859206A (en) | Pre-manufactured steel structure overlapped shear wall and its construction method | |
| CN205242706U (en) | Cast -in -place constructional column of infilled wall and wall body synchronous construction structure between high -rise outer eaves window | |
| CN107227814B (en) | A kind of large cantilever concrete structure section construction method | |
| JP6543084B2 (en) | Structure | |
| US20070151173A1 (en) | Method of constructing structures with seismically-isolated base | |
| CN109057046A (en) | The assembled integral beam-column node structure and construction method of additional closure connection reinforcing bar | |
| CN108775084A (en) | Steel-concrete combines precast beam and prefabricated post connection structure and construction method | |
| CN209855277U (en) | Conversion layer structure for underground added layer of existing building | |
| US20210324642A1 (en) | Method of erecting a multi-storey structure and facade | |
| CN103821289A (en) | Connection and installation construction method for earthquake collision and damage preventing on support of prefabricated stair | |
| CN106284653A (en) | The construction method that a kind of balcony construct capital interspaces in advance | |
| CN207110214U (en) | A kind of prefabricated interior fill concrete wallboard | |
| CN105951983A (en) | Building frame structure and construction method thereof | |
| Babaev et al. | Cast reinforced concrete frame of buildings and methods of its erection | |
| CN113250228B (en) | Construction method of embedded foundation fixing device of multi-story building steel reinforced concrete core tube structure | |
| CN206769199U (en) | After wear formula post stretching vertical prestressing cast-in-place concrete rod structure | |
| CN202831219U (en) | Large-span precast monolithic concrete structure | |
| CN203783004U (en) | Reinforced concrete stair structure | |
| CN108775086A (en) | The additional assembled integral beam-column node structure and construction method for being closed connection reinforcing bar | |
| CN212271674U (en) | Anti-seismic reinforcing structure for frame shear wall filler wall body | |
| CN114635503A (en) | Fair-faced concrete wall flexibly connected with concrete frame column and construction method | |
| CN203939199U (en) | The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage | |
| CN206143914U (en) | SC fabricated frame bearing structure system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |