CN104499664A - Lightweight concrete step and manufacturing method thereof - Google Patents
Lightweight concrete step and manufacturing method thereof Download PDFInfo
- Publication number
- CN104499664A CN104499664A CN201410780868.8A CN201410780868A CN104499664A CN 104499664 A CN104499664 A CN 104499664A CN 201410780868 A CN201410780868 A CN 201410780868A CN 104499664 A CN104499664 A CN 104499664A
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- gangboard
- side plate
- concrete
- bound edge
- 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.)
- Pending
Links
Landscapes
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a lightweight concrete step comprising an integral structure comprising side plate beams and step plates. The edges of the side plate beams and step plates are covered for preventing collision and enhancing the strength; the covered edges are welded to step steel bars or truss steel bars, and two sides of the covered edges are in comb tooth shapes and extend into the cerement. The lightweight concrete step is high in entire force bearing performance, high in strength and shock resistance, convenient to suspend and connect and high in construction speed, is adaptive to standard large-scale production and can be applied to modular fast construction.
Description
Technical field
The present invention relates to building field, be specifically related to stair of a kind of building and preparation method thereof.
Background technology
Often use concrete staircase under construction, existing concrete staircase generally adopts cast-in-place or prefabricated mode to make.In building construction process, especially in highrise building Fast Modular blocking work progress, there is following shortcoming in existing concrete staircase: the entirety stressed property structure of (1) concrete staircase is poor, shock resistance is poor; (2) step and halfpace connected mode are complicated, junction is fragile; (3) structure of concrete staircase is not suitable for large-scale industrialized production, is not easy to transport and lifting, can not carries out quick modularization assembling.
In order to overcome the problems referred to above, applicant has invented " a kind of concrete staircase with lifting seat and connector ", application number is " 201410319529.X ", comprise step and halfpace, described step is made up of side plate and gangboard, described gangboard is pedal reinforced concrete structure, described side plate is steel bar girder concrete structure, pedal reinforcing bar in described gangboard and the steel bar truss welding in side plate are integrated, the all pre-buried screw nipple of described step and side plate, described pre-buried position is provided with shaped steel, is also provided with lifting seat in described side plate.This patent application holistic resistant behavior is good, intensity is high, shock resistance good, it is easy to connect to lift.In order to alleviate stair weight further, improve resistance to compression anti-shearing force intensity, shock resistance, skid resistance, the installation convenience of stair, the structure of the applicant to stair is improved.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide that a kind of holistic resistant behavior is good, intensity is high, shock resistance is good, it is easy to connect to lift, speed of application is fast, be applicable to standardization large-scale production, can a kind of concrete staircase of light weight of modularization rapid construction.
The present invention is achieved by the following technical programs:
A kind of concrete staircase of light weight, the overall structure that it is made up of side plate beam and gangboard, pedal reinforcing bar is provided with in described gangboard, truss-like reinforcing bar is provided with in described side plate beam, described pedal reinforcing bar and truss-like bar connecting are integrated, it is characterized in that: the edge of described side plate beam and gangboard is equipped with the bound edge preventing from colliding and strengthen intensity effect, described bound edge is together with pedal reinforcing bar or truss-like reinforcement welding.
Further, the both sides of described bound edge are comb teeth-shaped, extend into inside concrete.
Further, described gangboard is made up of multi-stage stairs, and the described step place of keeping to the side is provided with indenture or convex epirelief.
Further, be also arranged to the stairstepping corresponding to step bottom the pedal reinforcing bar in described gangboard and gangboard, gangboard is provided with lifting seat, is provided with the concrete block of the band reinforcing bar of reinforcement bottom described lifting seat.
Further, described concrete staircase also comprises cleat stanchion and handrail, and be embedded with the built-in fitting for being connected with cleat stanchion, handrail in described side plate beam, described cleat stanchion is connected with side plate beam by built-in fitting with handrail.
The preparation method of the concrete staircase of above-mentioned a kind of light weight, comprises the following steps:
The first step, makes side plate beam and the integral prefabricated mould of gangboard with plank or steel plate, makes the bottom of prefabricated mould be stairstepping, and makes corresponding groove will place the position lifting seat, so as prefabricated time formation booster action concrete block.
Second step, is pressed into comb teeth-shaped by steel plate stamping, and is bent into flute profile or circular arc with bender, forms bound edge; Pass through the mode of bending, welding simultaneously with steel wire or round steel, be made into the truss-like reinforcing bar of step-like pedal reinforcing bar or side plate beam.
3rd step, carries out spot welding connection by stairstepping pedal reinforcing bar, truss-like reinforcing bar, comb teeth-shaped bound edge, forms the skeleton of concrete staircase band bound edge.
4th step, be placed in prefabricated mould by the skeleton of band bound edge, and put into lifting seat and the built-in fitting be connected, concrete perfusion, vibratory compaction, loads onto cleat stanchion and handrail after solidifying, more namely forms the concrete staircase of light weight.
Technique effect of the present invention is as follows:
(1) overall structure that is made up of side plate beam and gangboard of the present invention, the edge of described side plate beam and gangboard is equipped with the bound edge preventing from colliding and strengthen intensity effect, and described bound edge is together with pedal reinforcing bar or truss-like reinforcement welding.The both sides of bound edge are comb teeth-shaped, extend into inside concrete.This and inner reinforcing bar all-in-one-piece comb teeth-shaped bound edge not only adds the aesthetic property of stair; and drastically increase comprehensive stress performance and the anti-seismic performance of stair; under equal stressing conditions; its concrete amount is less; weight is lighter, and the edge of stair in hoisting process can also be protected not damaged.
(2) stairstepping corresponding with step is all arranged to bottom in the surface of gangboard of the present invention, and its weight is lighter, and be different from existing concrete staircase, existing concrete staircase surface is stairstepping, and bottom is solid inclined-plane, and concrete amount is many.The step edge place of gangboard of the present invention is provided with indenture or convex epirelief, and present concrete staircase is all adopt the mode of inlaying reeding at ledge surface, by comparison, the present invention can when prefabricated disposal molding, construct again after not needing installation, can construction period be shortened, improve speed of application and efficiency of construction.
(3) gangboard of the present invention is provided with lifting seat, is provided with built-in fitting in side plate beam, can handling quickly and easily, is just connected with cleat stanchion, handrail quickly.Be provided with the concrete block of the band reinforcing bar of reinforcement bottom lifting seat, improve the intensity at the stressed place of gangboard further, make handling more safe and reliable.
Side plate beam 1 of the present invention is prefabricated with gangboard 2 integrated connection, not only overall structure stressed good, intensity is high, convenient and fast connection, reliable, and be applicable to large-scale industrialized production, in construction site fast hoisting, assembling, efficiency of construction is high, speed is fast, is particularly suitable for the rapid construction of highrise building modularization.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is C-C sectional view in Fig. 1.
Fig. 4 is the partial enlarged drawing at I place in Fig. 1.
Fig. 5 is the partial enlarged drawing at II place in Fig. 1.
Fig. 6 is the partial enlarged drawing at III place in Fig. 1.
Fig. 7 is the partial sectional view at A place in Fig. 1.
In accompanying drawing: 1-side plate beam, 2-gangboard, 3-lifting seat, 4-concrete block, 5-bound edge, 6-truss-like reinforcing bar, 7-pedal reinforcing bar, 8-indenture, 9-convex epirelief.
Detailed description of the invention
As shown in Figure 1 and Figure 2, a kind of concrete staircase of light weight, the overall structure that it is made up of side plate beam 1 and gangboard 2.Be provided with pedal reinforcing bar 7 in described gangboard 2, be provided with truss-like reinforcing bar 6 in described side plate beam 1, described pedal reinforcing bar 7 connects as one with truss-like reinforcing bar 6.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 7, side plate beam 1 is equipped with the edge of gangboard 2 bound edge 5 preventing from colliding and strengthen intensity effect.Bound edge 5 can adopt steel plate or other section steel manufacture of bending, and the both sides of bound edge 5 are comb teeth-shaped, extend into inside concrete, and the shape of comb teeth-shaped can make bound edge 5 be combined more closely with concrete, more firm.Pedal reinforcing bar 7 or the truss-like reinforcing bar 6 of bound edge 5 and side plate beam 1, gangboard 2 inside weld together.This and inner reinforcing bar all-in-one-piece comb teeth-shaped bound edge 5 not only adds the aesthetic property of stair; and drastically increase comprehensive stress performance and the anti-seismic performance of stair; under equal stressing conditions; its concrete amount is less; weight is lighter, and the edge of stair in hoisting process can also be protected not damaged.
As shown in Fig. 1, Fig. 6, gangboard 2 is made up of multi-stage stairs, and the described step place of keeping to the side is provided with indenture 8 or convex epirelief 9, to increase non-skid property during stair activity.Present concrete staircase is all adopt the mode of to inlay reeding at ledge surface, by comparison, the present invention can when prefabricated disposal molding, construct again after not needing to install, can construction period be shortened, improve speed of application and efficiency of construction.
As shown in Figure 1 and Figure 2, also the stairstepping corresponding to step is made into bottom pedal reinforcing bar 7 in gangboard 2 and gangboard 2, be different from existing concrete staircase surface for stairstepping, bottom be solid ramp structure, the concrete amount of structure of the present invention is less, and weight is lighter.Gangboard 2 is provided with lifting seat 3, can handling quickly and easily.Be provided with the concrete block 4 of the band reinforcing bar of reinforcement bottom lifting seat 3, further increase the intensity of gangboard 2 handling place, make handling more safe and reliable.
In addition, concrete staircase of the present invention also comprises cleat stanchion and handrail (not shown), and be embedded with the built-in fitting for being connected with cleat stanchion, handrail in side plate beam 1, described cleat stanchion is connected with side plate beam 1 by built-in fitting with handrail, convenient and swift.
The concrete staircase preparation method of above-mentioned a kind of light weight, comprises the following steps:
The first step, makes side plate beam 1 and the integral prefabricated mould of gangboard 2 with plank or steel plate, makes the bottom of prefabricated mould be stairstepping, and makes corresponding groove in the position will placing lifting seat 3, so as prefabricated time formation booster action concrete block 4.
Second step, is pressed into comb teeth-shaped by steel plate stamping, and is bent into flute profile or circular arc with bender, forms bound edge 5; Pass through the mode of bending, welding simultaneously with steel wire or round steel, be made into the truss-like reinforcing bar 6 of step-like pedal reinforcing bar 7 or side plate beam 1.
3rd step, carries out spot welding connection by stairstepping pedal reinforcing bar 7, truss-like reinforcing bar 6, comb teeth-shaped bound edge 5, forms the skeleton of concrete staircase band bound edge 5.
4th step, be placed in prefabricated mould by the skeleton of band bound edge 5, and put into lifting seat 3 and the built-in fitting be connected, concrete perfusion, vibratory compaction, loads onto cleat stanchion and handrail after solidifying, more namely forms the concrete staircase of light weight.
The present invention adopts side plate beam 1 and gangboard 2 integrated connection prefabricated, not only overall structure stressed good, intensity is high, convenient and fast connection, reliable, and be applicable to large-scale industrialized production, in construction site fast hoisting, assembling, efficiency of construction is high, speed is fast, is particularly suitable for the rapid construction of highrise building modularization.
Above embodiment is explanation of the invention, and non-limiting, is more than PART.It should be noted that, concerning the technician of the industry, the simple transformation of carrying out according to general principle of the present invention and structure and improvement, according to the combination that above embodiment is carried out, include within protection scope of the present invention.
Claims (6)
1. the concrete staircase of a light weight, the overall structure that it is made up of side plate beam and gangboard, pedal reinforcing bar is provided with in described gangboard, truss-like reinforcing bar is provided with in described side plate beam, described pedal reinforcing bar and truss-like bar connecting are integrated, it is characterized in that: the edge of described side plate beam and gangboard is equipped with the bound edge preventing from colliding and strengthen intensity effect, described bound edge is together with pedal reinforcing bar or truss-like reinforcement welding.
2. the concrete staircase of a kind of light weight according to claim 1, is characterized in that: the both sides of described bound edge are comb teeth-shaped, extend into inside concrete.
3. the concrete staircase of a kind of light weight according to claim 1, is characterized in that: described gangboard is made up of multi-stage stairs, the described step place of keeping to the side is provided with indenture or convex epirelief.
4. the concrete staircase of a kind of light weight according to claim 1, it is characterized in that: bottom the pedal reinforcing bar in described gangboard and gangboard, be also arranged to the stairstepping corresponding to step, gangboard is provided with lifting seat, is provided with the concrete block of the band reinforcing bar of reinforcement bottom described lifting seat.
5. the concrete staircase of a kind of light weight according to claim 1, it is characterized in that: described concrete staircase also comprises cleat stanchion and handrail, be embedded with the built-in fitting for being connected with cleat stanchion, handrail in described side plate beam, described cleat stanchion is connected with side plate beam by built-in fitting with handrail.
6. the preparation method of the concrete staircase of a kind of light weight according to claim 1, is characterized in that: comprise the following steps:
The first step, makes side plate beam and the integral prefabricated mould of gangboard with plank or steel plate, makes the bottom of prefabricated mould be stairstepping, and makes corresponding groove will place the position lifting seat, so as prefabricated time formation booster action concrete block;
Second step, is pressed into comb teeth-shaped by steel plate stamping, and is bent into flute profile or circular arc with bender, forms bound edge; Pass through the mode of bending, welding simultaneously with steel wire or round steel, be made into the truss-like reinforcing bar of step-like pedal reinforcing bar or side plate beam;
3rd step, carries out spot welding connection by stairstepping pedal reinforcing bar, truss-like reinforcing bar, comb teeth-shaped bound edge, forms the skeleton of concrete staircase band bound edge;
4th step, be placed in prefabricated mould by the skeleton of band bound edge, and put into lifting seat and the built-in fitting be connected, concrete perfusion, vibratory compaction, loads onto cleat stanchion and handrail after solidifying, more namely forms the concrete staircase of light weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780868.8A CN104499664A (en) | 2014-12-17 | 2014-12-17 | Lightweight concrete step and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780868.8A CN104499664A (en) | 2014-12-17 | 2014-12-17 | Lightweight concrete step and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104499664A true CN104499664A (en) | 2015-04-08 |
Family
ID=52941105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410780868.8A Pending CN104499664A (en) | 2014-12-17 | 2014-12-17 | Lightweight concrete step and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104499664A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119865A (en) * | 2017-05-26 | 2017-09-01 | 江苏中城工业化住宅制造有限公司 | A kind of assembled steel skeleton lightweight concrete composition stair |
| CN110625731A (en) * | 2019-07-03 | 2019-12-31 | 辽宁煜梽新型建材有限公司 | Method for manufacturing stair tread |
| CN110629949A (en) * | 2019-07-03 | 2019-12-31 | 辽宁煜梽新型建材有限公司 | On-site construction method of stair tread |
| CN111305495A (en) * | 2020-03-15 | 2020-06-19 | 湖南城市学院 | Lightweight concrete combined stair |
| CN112900764A (en) * | 2021-03-15 | 2021-06-04 | 重庆大学 | Light assembled stair with steel bar truss |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049820A (en) * | 1999-08-12 | 2001-02-20 | Eidai Co Ltd | Combination of reforming building materials for staircase |
| JP2004204461A (en) * | 2002-12-24 | 2004-07-22 | Naka Ind Ltd | Nonslip device for building, and composite tread body |
| CN2729201Y (en) * | 2004-09-16 | 2005-09-28 | 杜玉见 | Color stairs wrap angle of safety and luminous |
| CN102888957A (en) * | 2012-08-15 | 2013-01-23 | 杨众 | Prefabricated light slab stair |
| CN104141367A (en) * | 2014-07-07 | 2014-11-12 | 张跃 | Concrete stairs with hoisting seats and connecting pieces |
| CN204357026U (en) * | 2014-12-17 | 2015-05-27 | 张跃 | A kind of concrete staircase of light weight |
-
2014
- 2014-12-17 CN CN201410780868.8A patent/CN104499664A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049820A (en) * | 1999-08-12 | 2001-02-20 | Eidai Co Ltd | Combination of reforming building materials for staircase |
| JP2004204461A (en) * | 2002-12-24 | 2004-07-22 | Naka Ind Ltd | Nonslip device for building, and composite tread body |
| CN2729201Y (en) * | 2004-09-16 | 2005-09-28 | 杜玉见 | Color stairs wrap angle of safety and luminous |
| CN102888957A (en) * | 2012-08-15 | 2013-01-23 | 杨众 | Prefabricated light slab stair |
| CN104141367A (en) * | 2014-07-07 | 2014-11-12 | 张跃 | Concrete stairs with hoisting seats and connecting pieces |
| CN204357026U (en) * | 2014-12-17 | 2015-05-27 | 张跃 | A kind of concrete staircase of light weight |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119865A (en) * | 2017-05-26 | 2017-09-01 | 江苏中城工业化住宅制造有限公司 | A kind of assembled steel skeleton lightweight concrete composition stair |
| CN110625731A (en) * | 2019-07-03 | 2019-12-31 | 辽宁煜梽新型建材有限公司 | Method for manufacturing stair tread |
| CN110629949A (en) * | 2019-07-03 | 2019-12-31 | 辽宁煜梽新型建材有限公司 | On-site construction method of stair tread |
| CN111305495A (en) * | 2020-03-15 | 2020-06-19 | 湖南城市学院 | Lightweight concrete combined stair |
| CN112900764A (en) * | 2021-03-15 | 2021-06-04 | 重庆大学 | Light assembled stair with steel bar truss |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104499664A (en) | Lightweight concrete step and manufacturing method thereof | |
| CN103741792B (en) | Overall assembling frame system and construction method | |
| KR101086222B1 (en) | PC slave for building having reinforcement structure as a set | |
| CN104343214B (en) | Bracket prefabricated reinforcement framework of pseudo-classic building, fabrication method of reinforcement framework, and construction method of reinforced concrete bracket of pseudo-classic building | |
| CN102852276B (en) | A kind of large-tonnage prestressing force overlapping crane girder and construction method | |
| CN204357026U (en) | A kind of concrete staircase of light weight | |
| CN204385883U (en) | A kind of Fabricated balcony | |
| CN105756233B (en) | A kind of beam wall composite exterior wall component | |
| CN106150105A (en) | A kind of stiffened column installation method | |
| CN104141367A (en) | Concrete stairs with hoisting seats and connecting pieces | |
| CN104499565A (en) | Assembled balcony | |
| KR100818863B1 (en) | Lift and installing method of preassembled truss decks at ground level | |
| CN102995560A (en) | Thin-wall hollow pier lifting frame and use method thereof | |
| KR100644971B1 (en) | Steel stair utilizing steel reinforced concrete step | |
| CN105370027A (en) | Construction method for integrally lifted and supported steel platform structure in high-rise suspended structure | |
| KR200452300Y1 (en) | Truss girder deck plate for reinforced concrete | |
| CN104727469A (en) | Staircase prefabricated reinforced concrete fireproof bulkhead structure and construction method thereof | |
| CN204510649U (en) | A kind of prefabricated component combined staircase | |
| CN204174848U (en) | A kind of precast reinforced skeleton of sets of brackets on top of the columns of building in the style of the ancients | |
| CN203961163U (en) | A kind of concrete staircase with lifting seat and connector | |
| CN204356955U (en) | A kind of fabricated composite floor assembly | |
| CN208717939U (en) | A kind of efficiently molding building hoist foundation structure | |
| KR101308627B1 (en) | Tread board assembly of steel stairs | |
| CN104141355A (en) | Floor slab for kitchen/bathroom | |
| CN205591450U (en) | Suspension type stair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
|
| RJ01 | Rejection of invention patent application after publication |