CN206800837U - Assembled steel skeleton lightweight concrete composition stair - Google Patents
Assembled steel skeleton lightweight concrete composition stair Download PDFInfo
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- CN206800837U CN206800837U CN201720600076.7U CN201720600076U CN206800837U CN 206800837 U CN206800837 U CN 206800837U CN 201720600076 U CN201720600076 U CN 201720600076U CN 206800837 U CN206800837 U CN 206800837U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 101
- 239000010959 steel Substances 0.000 title claims abstract description 101
- 239000004567 concrete Substances 0.000 title claims abstract description 79
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 32
- 239000004568 cement Substances 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 239000011094 fiberboard Substances 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 239000011381 foam concrete Substances 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000010455 vermiculite Substances 0.000 claims description 3
- 235000019354 vermiculite Nutrition 0.000 claims description 3
- 229910052902 vermiculite Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
A kind of assembled steel skeleton lightweight concrete composition stair, include the stair bench and landing of multiple alternately connections；Stair bench is mainly made up of stair beam, bar-mat reinforcement, stepped step plate, glass-fiber-fabric and lightweight concrete layer；Landing is mainly made up of landing beam, bar-mat reinforcement, cement fibrolite plate, multiple fluting cushion block, glass-fiber-fabric and lightweight concrete layers；Two stair beams of stair bench are welded by a pair of landing beams of the side in the horizontal segment of its lower end and the inner end of landing respectively, two stair beams of stair bench are welded by a pair of landing beams of the side in the right-angle notch of its upper end and the inner end front and rear sides of landing respectively, the lower ends of two stair beams in the stair bench of the foot upper weld with two pre-embedded steel slabs in major structure of construction section of foundation respectively.The stair overall performance is good, is not required to carry out cast in situs, is not required to carry out antirust and fire prevention processing, vibratility is smaller, and comfortableness is good.
Description
Technical field
A kind of assembled stair are the utility model is related to, specifically a kind of assembled steel skeleton lightweight concrete composition building
Ladder, belong to building structure technology field.
Background technology
The prefabricated assembled staircase structure of country facilities mainly pours prefabricated using traditional armored concrete at present
Stair and common steel construction precast stair two types.
Armored concrete, which pours precast stair, to be needed in factory's molding cast concrete, its weight weight, whole production process
Process is more, curing time is long.Because weight is heavier, its cost of transportation is also higher, requirement of the in-site installation to lifting machine
Compare it is harsh, also need to carry out after mounting it is secondary pour, be highly detrimental to industrialization large-scale production installation.
Steel construction precast stair has many good qualities compared with armored concrete pours precast stair, but in current design
The problem of many deficiencies, main, is as follows with also existing in construction：1. steel construction precast stair typically using stair girder steel and is marked time
Plate separate machined, it is necessary to be welded to form entirety at the scene, and so not only field-mounted process is cumbersome, and stair
Globality is poor；2. steel structure stairway carries out antirust using anticorrosive paint, due to anticorrosive paint meeting aging, every few years will
An antirust treatment is carried out, and whole building thing life cycle is decades, its antirust cost is high, and antirust treatment process compares
Trouble.3. steel construction precast stair needs to carry out fire prevention processing in structure use, fire prevention cost is high in whole life cycle.
4. the vibrations of steel construction precast stair are bigger, when being used on house, comfortableness is poor；5. if steel construction precast stair needs
Increasing stair globality then needs to carry out secondary pouring concrete, the cast matter of this steel construction precast stair on step plate
Amount is difficult to ensure that.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of assembled steel skeleton lightweight concrete group
Stair are closed, the stair overall performance is good, it is not necessary to carries out cast in situs, it is not necessary to carry out antirust and fire prevention processing, its vibratility
Smaller, its comfortableness when being used on house is good.
To achieve these goals, the utility model provides a kind of assembled steel skeleton lightweight concrete composition stair, bag
Major structure of construction section of foundation, multiple stair bench and multiple landings are included, the major structure of construction section of foundation includes mixed
Solidifying earth foundation and two pre-embedded steel slabs for being arranged on concrete foundation top front and rear sides；The stair bench includes setting opposite to each other
Put in two stair beams of front and rear sides, the bar-mat reinforcement one being fixedly connected between two stair beams, stepped fixed row
It is several stepped step plates continuously set above bar-mat reinforcement one of cloth, adaptably stepped with stepped step plate
Ground is laid on the glass-fiber-fabric one above stepped step plate, the glass-fiber-fabric two being laid on below bar-mat reinforcement one, is filled in glass-fiber-fabric
The lightweight concrete layer one in space, the fixed lightweight concrete layer for being covered in the upper surface of glass-fiber-fabric one between one and glass-fiber-fabric two
2nd, the fixed lightweight concrete three for being covered in the lower surface of glass-fiber-fabric two and two of two stair beam upper ends are fixedly connected on help
Hand；The landing includes being arranged on the landing beam that two couple of front and rear sides is oppositely arranged, is fixedly connected on adjacent two
The bar-mat reinforcement two at middle part between landing beam, it is fixedly connected on the cement fibrolite plate one and cement fibrolite plate of landing beam top and bottom
2nd, multiple fluting cushion blocks of landing beam upper end, the glass-fiber-fabric three being embedded in cushion block notch of slotting, fixed laying are fixedly connected on
The lightweight coagulation in space between glass-fiber-fabric four, filling concrete fiberboard one and cement fibrolite plate two below cement fibrolite plate two
Soil layer four, the lightweight concrete layer five being filled between glass-fiber-fabric three and cement fibrolite plate one, it is filled in glass-fiber-fabric three and fluting
Lightweight concrete layer six between cushion block upper end, the lightweight concrete layer seven being filled between cement fibrolite plate two and glass-fiber-fabric four
With the fixed lightweight concrete layer eight for being covered in the lower section of glass-fiber-fabric four；Multiple stair bench and multiple landings are alternately solid successively
Fixed connection；The lower end of two stair beams in stair bench is respectively provided with horizontal segment, two stair beams in stair bench
Upper end bottom is respectively provided with right-angle notch, and two stair beams of stair bench pass through the horizontal segment and landing of its lower end respectively
Inner end front and rear sides in side the welding of a pair of landing beams, two stair beams of stair bench pass through its upper end respectively
A pair of landing beams welding of side in the inner end front and rear sides of right-angle notch and landing, positioned at the stair bench of foot
In two stair beams the lower end upper weld with two pre-embedded steel slabs in major structure of construction section of foundation respectively；It is described
Welded with major structure of construction the outer end of landing.
In the technical scheme, stair bench uses steel component system and lightweight concrete with landing agent structure
Form, its inner most component can recycle, and wherein steel component can melt down remelting again after being separated with concrete
Utilize, and lightweight concrete block can be by the aggregate be used as after broken when pouring next time, and the group for passing through the structure composition
Close stair deadweight compared with it is light, its force structure is reasonable, the cost of combined staircase can be reduced, and there is good anti-seismic performance,
Further, since in steel component system exterior surface covered with lightweight concrete layer, its soundproof effect is preferable, so as to when in use
The generation of noise is effectively reduced, so as to improve the level of comfort used；Furthermore steel component system exterior surface is covered with light
Matter concrete layer can make steel component to be prevented fires and antirust treatment, so as to significantly reduce Fireproof antirust cost；
Due to being easy to use integral design in design, stair main body is all completed in factory process.Factory's manufacture of the combined staircase
Industrialization degree it is high, entirety of stair bench therein and landing can process casting complete in workshop, be easy to add
Work, suitable for industrialized production, it is easy to ensure the quality of production in process of production；The combined staircase can pass through positioning at the scene
Installation bolt, location structure are connected with each other and are attached with major structure of construction, so not only increase the globality of stair
The crudy of stair can also be controlled well；, can conduct after each section of the combined staircase lifts in place at the scene
The passage of next section of lifting construction, can be easy to the construction of lower a flight of stairs bench or terraced platform, and then can be easy to improve entirety
Construction speed, can significantly reduce construction period.The setting of glass-fiber-fabric can make combined staircase have good high temperature resistant, every
Heat, fire protecting performance.The setting of cement fibrolite plate can not only be easy to the entirety in casting process more smooth, and it can lift group
The overall soundproof effect of stair is closed, the experience of user can be made more comfortable, in addition, its in light weight, acid and alkali-resistance and corrosion resistance
It is good, and work progress is also simple.
Further, for the ease of the installation of balustrade, the upper surface of two stair beams in stair bench is fixed
Multiple angle steel blocks are connected with, two handrails are fixedly connected by angle steel block with two stair beams respectively.By angle steel when prefabricated
Block on stair beam top, can be easy to balustrade to be connected with the Fast Installation at the scene of stair bench by welded and installed.
Further, in order to ensure bonding strength, it is provided with left and right sides of the bottom of the pre-embedded steel slab to coagulation soil matrix
The pre-embedded bolt or cast-in fixing bolt of plinth bottom extension.
Preferably, the stair beam and landing beam using steel plate, H profile steel, C-type steel, channel-section steel, angle steel, U-shaped steel and
One kind in rectangular tube steel is made；The stepped step plate is by steel plate, angle steel, checkered steel plate, punching steel plate, steel grating and C
One kind in shaped steel is made.
Further, for the ease of casting concrete, the stepped step plate is welded in the top of bar-mat reinforcement one.
Further, lift for convenience, the landing beam top is fixedly connected with multiple suspension ring.
Further, lift for convenience, the top of the stair beam is fixedly connected with multiple suspension ring.
Further, for being accurately positioned when being advantageous to stair bench and landing installation and Fast Installation, the building
Bench top and the junction of landing are additionally provided with the mounting hole for installing bolt, and stair bench and stair are put down
Platform by being welded again after the installation positioning of location and installation bolt.
As a preferred embodiment, being mainly made up of in lightweight concrete lightweight aggregate and foamed concrete, the lightweight aggregate includes
At least one of expanded perlite, vermiculite, haydite, granular polystyrene and glass bead.
The utility model is compared with traditional reinforced concrete cast-in-situ stair and common steel structure stairway, and connecting node is more
Add simple, installation positioning simply, installation and work progress are more convenient.The combined staircase versatility is wide, and it is applied to all build
Build.The integrated poured lightweight coagulation of the combined staircase, improve the globality and comfort of stair.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing in A portions in Fig. 1；
Fig. 3 is the partial enlarged drawing in B portions in Fig. 1；
Fig. 4 is the assembly structure figure of stair bench and handrail in the utility model；
Fig. 5 is the section structure diagram of landing in the utility model；
Fig. 6 is Fig. 5 top view；
Fig. 7 is the top view after the utility model assembling.
1 in figure, major structure of construction section of foundation, 2, stair bench, 3, landing, 4, concrete foundation, 5, pre-buried steel
Plate, 6, stair beam, 7, bar-mat reinforcement one, 8, stepped step plate, 9, glass-fiber-fabric one, 10, glass-fiber-fabric two, 11, lightweight concrete
Layer one, 12, handrail, 13, landing beam, 14, bar-mat reinforcement two, 15, cement fibrolite plate one, 16, cement fibrolite plate two, 17, fluting pad
Block, 18, glass-fiber-fabric three, 19, lightweight concrete layer four, 20, lightweight concrete layer five, 21, lightweight concrete layer six, 22, glass
Cloth four, 23, lightweight concrete layer seven, 24, lightweight concrete layer eight, 25, angle steel block, 26, pre-embedded bolt or cast-in fixing bolt, 27,
Suspension ring.
Embodiment
The utility model is described in further detail below.
As shown in figure 1, a kind of assembled steel skeleton lightweight concrete composition stair, including major structure of construction section of foundation 1,
Multiple stair bench 2 and multiple landings 3, as shown in Fig. 2 the major structure of construction section of foundation 1 includes concrete foundation
4 and it is arranged on two pre-embedded steel slabs 5 of the top front and rear sides of concrete foundation 4；As shown in Figure 1 and Figure 4, the stair bench 2
Including two stair beams 6 for being arranged on front and rear sides opposite to each other, the bar-mat reinforcement 1 being fixedly connected between two stair beams 6,
Several the stepped step plates 8 continuously set and stepped step plate of stepped fixed arrangement above bar-mat reinforcement 1
8 glass-fiber-fabrics 1 for being laid on the stepped top of step plate 8 adaptably steppedly, the glass for being laid on the lower section of bar-mat reinforcement 1
Fine cloth 2 10, the lightweight concrete layer 1 for being filled in space between glass-fiber-fabric 1 and glass-fiber-fabric 2 10, fixation are covered in glass
The lightweight concrete layer two of the upper surface of cloth 1, the fixed lightweight concrete three for being covered in the lower surface of glass-fiber-fabric 2 10 and fixed company
It is connected on two handrails 12 of two upper ends of stair beam 6；As shown in Fig. 1, Fig. 3, Fig. 5 and Fig. 6, the landing 3 includes setting
Landing beam 13 that two couple put in front and rear sides is oppositely arranged, the steel for being fixedly connected on middle part between two adjacent landing beams 13
Muscle net 2 14, the cement fibrolite plate 1 for being fixedly connected on the top and bottom of landing beam 13 and cement fibrolite plate 2 16, fixed company
It is connected on multiple fluting cushion blocks 17 of the upper end of landing beam 13, the glass-fiber-fabric 3 18 being embedded in the notch of cushion block 17 of slotting, fixed laying
Space between glass-fiber-fabric 4 22, filling concrete fiberboard 1 and cement fibrolite plate 2 16 below cement fibrolite plate 2 16
Lightweight concrete layer 4 19, the lightweight concrete layer 5 20 being filled between glass-fiber-fabric 3 18 and cement fibrolite plate 1, filling
Lightweight concrete layer 6 21 between glass-fiber-fabric 3 18 and fluting cushion block 17 upper end, it is filled in cement fibrolite plate 2 16 and glass
Lightweight concrete layer 7 23 and the fixed lightweight concrete layer 8 24 for being covered in the lower section of glass-fiber-fabric 4 22 between cloth 4 22；Such as figure
Shown in 1 and Fig. 7, multiple stair bench 2 are alternately fixedly connected successively with multiple landings 3；Two stair in stair bench 2
The lower end of terraced beam 6 is respectively provided with horizontal segment, and the upper end bottom of two stair beams 6 in stair bench 2 is respectively provided with right-angle notch, building
Two stair beams 6 of bench 2 pass through the side in the horizontal segment of its lower end and the inner end front and rear sides of landing 3 respectively
A pair of landing beams 13 weld, two stair beams 6 of stair bench 2 pass through the right-angle notch and landing of its upper end respectively
A pair of landing beams 13 of side in 3 inner end front and rear sides weld, two stair in the stair bench 2 of foot
The lower end of terraced beam 6 upper weld with two pre-embedded steel slabs 5 in major structure of construction section of foundation 1 respectively；The landing
Welded with major structure of construction 3 outer end.
Stair bench 2 is formed with the agent structure of landing 3 using steel component system and lightweight concrete, and it is internal big
Partial component can recycle, and then in this combined staircase after useful life is reached, can be by steel structure therein
Part separate being reclaimed with lightweight concrete, and wherein lightweight concrete can be used as the aggregate in concrete after broken,
And by the deadweight of the combined staircase of the structure composition compared with it is light, its force structure is reasonable, the cost of combined staircase can be reduced, and
With good anti-seismic performance, further, since in steel component system exterior surface covered with lightweight concrete layer, its soundproof effect
Preferably, so as to be effectively reduced the generation of noise when in use, so as to improve the level of comfort used；Furthermore steel structure
Part system exterior surface can make steel component to be prevented fires and antirust treatment covered with lightweight concrete layer, so as to significantly
Degree reduces Fireproof antirust cost；Due to being easy to use integral design in design, stair main body is all completed in factory process.Should
The plant-manufactured industrialization degree of combined staircase is high, and the entirety of stair bench therein and landing can add in workshop
Work casting complete, it is easy to process, suitable for industrialized production, is easy to ensure the quality of production in process of production；The combined staircase
It can be connected with each other by location and installation bolt, location structure and be attached with major structure of construction at the scene, so not only
The crudy of stair can also be controlled well by improving the globality of stair；Each section of the combined staircase lifts at the scene
After in place, it as the passage of next section of lifting construction, can be easy to the construction of lower a flight of stairs bench or terraced platform, enter
And can be easy to improve overall construction speed, it can significantly reduce construction period.Stair bench is marked time by bar-mat reinforcement, step type
Plate, glass-fiber-fabric, cement fibrolite plate and lightweight concrete formed by integrally casting, the globality of stair bench structure, landing can be increased
By bar-mat reinforcement, stepped step plate, glass-fiber-fabric, cement fibrolite plate and lightweight concrete formed by integrally casting, landing knot can be increased
The globality of structure, so as to can guarantee that the globality of the combined staircase after connection is more preferable, and there can be good load bearing stength.
As shown in figure 4, for the ease of the installation of balustrade 12, the upper surface of two stair beams 6 in stair bench 2
Multiple angle steel blocks 25 are fixedly connected with, two handrails 12 are fixedly connected by angle steel block 25 with two stair beams 6 respectively.
When prefabricated by angle steel block 25 by welded and installed on stair beam top, can be easy to balustrade and stair bench at the scene
Fast Installation connects.
As shown in Fig. 2 in order to ensure bonding strength, it is provided with left and right sides of the bottom of the pre-embedded steel slab 5 to coagulation
The pre-embedded bolt or cast-in fixing bolt 26 of the bottom of earth foundation 4 extension.
Preferably, the stair beam 6 and landing beam 13 are using steel plate, H profile steel, C-type steel, channel-section steel, angle steel, U types
One kind in steel and rectangular tube steel is made, and as optimal selection, stair beam 6 and landing beam 13 are made by channel-section steel, and each pair
Set opposite to each other between channel-section steel, the opening of channel-section steel has also poured towards outside, the open area of wherein translot steel；The ladder
Type step plate 8 is made up of one kind in steel plate, angle steel, checkered steel plate, punching steel plate, steel grating and C-type steel.Stepped step plate
8 are shaped as that middle part is horizontal, both ends have the vertical section for becoming folding up and down respectively；
For the ease of casting concrete, the stepped step plate 8 is welded in the top of bar-mat reinforcement 1.
In order to facilitate lifting, the top of landing beam 13 is fixedly connected with multiple suspension ring 27.
In order to facilitate lifting, the top of the stair beam 6 is fixedly connected with multiple suspension ring 27.
For being accurately positioned when being advantageous to stair bench 2 and the installation of landing 3 and Fast Installation, the stair bench
2 tops and the junction of landing 3 are additionally provided with the mounting hole for installing bolt, and stair bench 2 and stair are put down
Platform 3 by being welded again after the installation positioning of location and installation bolt.
As a preferred embodiment, being mainly made up of in lightweight concrete lightweight aggregate and foamed concrete, the lightweight aggregate includes
At least one of expanded perlite, vermiculite, haydite, granular polystyrene and glass bead.
The utility model is compared with traditional reinforced concrete cast-in-situ stair and common steel structure stairway, and connecting node is more
Add simple, installation positioning simply, installation and work progress are more convenient.The combined staircase versatility is wide, and it is applied to all build
Build.The integrated poured lightweight coagulation of the combined staircase, improve the globality and comfort of stair.
Claims (9)
1. a kind of assembled steel skeleton lightweight concrete composition stair, including major structure of construction section of foundation (1), multiple stair ladder
Section (2) and multiple landings (3), it is characterised in that
The major structure of construction section of foundation (1) includes concrete foundation (4) and is arranged on two before and after concrete foundation (4) top
Two pre-embedded steel slabs (5) of side；
The stair bench (2) includes being arranged on two stair beams (6) of front and rear sides opposite to each other, is fixedly connected on two stair
What several above bar-mat reinforcement one (7) of bar-mat reinforcement one (7), stepped fixed arrangement between terraced beam (6) were continuously set
Stepped step plate (8), it is laid on stepped step plate (8) top adaptably steppedly with stepped step plate (8)
Glass-fiber-fabric one (9), be laid on below bar-mat reinforcement one (7) glass-fiber-fabric two (10), be filled in glass-fiber-fabric one (9) and glass-fiber-fabric two
(10) the lightweight concrete layer one (11) in space between, the fixed lightweight concrete layer two for being covered in glass-fiber-fabric one (9) upper surface,
Fix the lightweight concrete three for being covered in glass-fiber-fabric two (10) lower surface and be fixedly connected on the two of two stair beam (6) upper ends
Individual handrail (12)；
The landing (3) includes being arranged on the landing beam (13) that two couple of front and rear sides is oppositely arranged, is fixedly connected on phase
The bar-mat reinforcement two (14) at middle part between two adjacent landing beams (13), the cement for being fixedly connected on landing beam (13) top and bottom
It is fiberboard one (15) and cement fibrolite plate two (16), the multiple fluting cushion blocks (17) for being fixedly connected on landing beam (13) upper end, embedding
Glass-fiber-fabric three (18), the fixed glass-fiber-fabric four being laid on below cement fibrolite plate two (16) being located in fluting cushion block (17) notch
(22), the lightweight concrete layer four (19) in space, filling between filling concrete fiberboard one (15) and cement fibrolite plate two (16)
Lightweight concrete layer five (20) between glass-fiber-fabric three (18) and cement fibrolite plate one (15), be filled in glass-fiber-fabric three (18) and
Fluting cushion block (17) upper end between lightweight concrete layer six (21), be filled in cement fibrolite plate two (16) and glass-fiber-fabric four (22)
Between lightweight concrete layer seven (23) and the fixed lightweight concrete layer eight (24) being covered in below glass-fiber-fabric four (22)；
Multiple stair bench (2) are alternately fixedly connected successively with multiple landings (3)；Two stair in stair bench (2)
The lower end of terraced beam (6) is respectively provided with horizontal segment, and the upper end bottom of two stair beams (6) in stair bench (2) is respectively provided with right angle
Breach, two stair beams (6) of stair bench (2) respectively by the horizontal segment of its lower end and the inner end of landing (3) before
A pair of landing beams (13) welding of the side in both sides, two stair beams (6) of stair bench (2) pass through its upper end respectively afterwards
Right-angle notch and landing (3) inner end front and rear sides in a pair of landing beams (13) of side weld, positioned at foot
Stair bench (2) in two stair beams (6) lower end it is pre-buried with two in major structure of construction section of foundation (1) respectively
The upper weld of steel plate (5)；
Welded with major structure of construction the outer end of the landing (3).
A kind of 2. assembled steel skeleton lightweight concrete composition stair according to claim 1, it is characterised in that stair ladder
The upper surface of two stair beams (6) in section (2) has been fixedly connected with multiple angle steel blocks (25), and two handrails (12) are led to respectively
Angle steel block (25) is crossed to be fixedly connected with two stair beams (6).
A kind of 3. assembled steel skeleton lightweight concrete composition stair according to claim 1 or 2, it is characterised in that institute
State and the pre-embedded bolt extended to concrete foundation (4) bottom or pre-buried anchor are provided with left and right sides of the bottom of pre-embedded steel slab (5)
Bolt (26).
A kind of 4. assembled steel skeleton lightweight concrete composition stair according to claim 3, it is characterised in that the building
Terraced beam (6) and landing beam (13) use one kind in steel plate, H profile steel, C-type steel, channel-section steel, angle steel, U-shaped steel and rectangular tube steel
It is made；The stepped step plate (8) is made by one kind in steel plate, angle steel, checkered steel plate, punching steel plate, steel grating and C-type steel
Into.
A kind of 5. assembled steel skeleton lightweight concrete composition stair according to claim 4, it is characterised in that the rank
Ladder type step plate (8) is welded in above bar-mat reinforcement one (7).
6. a kind of assembled steel skeleton lightweight concrete composition stair according to claim 5, it is characterised in that described flat
Platform beam (13) top is fixedly connected with multiple suspension ring (27).
A kind of 7. assembled steel skeleton lightweight concrete composition stair according to claim 6, it is characterised in that the building
The top of terraced beam (6) is fixedly connected with multiple suspension ring (27).
A kind of 8. assembled steel skeleton lightweight concrete composition stair according to claim 7, it is characterised in that the building
Bench (2) top and the junction of landing (3) are additionally provided with the mounting hole for installing bolt, stair bench
(2) and landing (3) by being welded again after the installation positioning of location and installation bolt.
9. a kind of assembled steel skeleton lightweight concrete composition stair according to claim 8, it is characterised in that lightweight is mixed
Mainly it is made up of in solidifying soil lightweight aggregate and foamed concrete, the lightweight aggregate includes expanded perlite, vermiculite, haydite, polyphenyl
At least one of grain and glass bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600076.7U CN206800837U (en) | 2017-05-26 | 2017-05-26 | Assembled steel skeleton lightweight concrete composition stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600076.7U CN206800837U (en) | 2017-05-26 | 2017-05-26 | Assembled steel skeleton lightweight concrete composition stair |
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| Publication Number | Publication Date |
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| CN206800837U true CN206800837U (en) | 2017-12-26 |
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ID=60742054
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| CN201720600076.7U Active CN206800837U (en) | 2017-05-26 | 2017-05-26 | Assembled steel skeleton lightweight concrete composition stair |
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Cited By (3)
| 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 |
| CN108266000A (en) * | 2018-03-29 | 2018-07-10 | 常熟市港城不锈钢装饰有限责任公司 | Steel structure stairway |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
-
2017
- 2017-05-26 CN CN201720600076.7U patent/CN206800837U/en active Active
Cited By (4)
| 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 |
| CN108266000A (en) * | 2018-03-29 | 2018-07-10 | 常熟市港城不锈钢装饰有限责任公司 | Steel structure stairway |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
| CN112982852B (en) * | 2021-02-26 | 2022-11-15 | 全学友 | Steel-concrete combined assembled stair section |
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