CN109629779A - Steel concrete combines the light-duty assembled stair of flat underside - Google Patents

Steel concrete combines the light-duty assembled stair of flat underside Download PDF

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Publication number
CN109629779A
CN109629779A CN201910105954.1A CN201910105954A CN109629779A CN 109629779 A CN109629779 A CN 109629779A CN 201910105954 A CN201910105954 A CN 201910105954A CN 109629779 A CN109629779 A CN 109629779A
Authority
CN
China
Prior art keywords
fashioned iron
steel
iron ladder
concrete
concrete layer
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
Application number
CN201910105954.1A
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Chinese (zh)
Inventor
何志强
雷红兵
杨文超
师国良
庞瑞
何博奥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Lyujian Building Technology Co Ltd
Original Assignee
Henan Lyujian Building Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Lyujian Building Technology Co Ltd filed Critical Henan Lyujian Building Technology Co Ltd
Priority to CN201910105954.1A priority Critical patent/CN109629779A/en
Publication of CN109629779A publication Critical patent/CN109629779A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/025Stairways having stringers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • E04G13/062Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)

Abstract

Steel concrete combines the light-duty assembled stair of flat underside, side by side and the fashioned iron ladder beam that is obliquely installed of right low left high including two, the sequentially connected step of several grades is provided between two fashioned iron ladder beams, every grade of step includes that several support steel beams are provided with along anterior-posterior horizontal direction, two fashioned iron ladder beams offer the perforation of several correspondences, support steel beam is plugged in perforation and fashioned iron ladder beam is stretched out at support steel beam both ends, it is poured outside two fashioned iron ladder beams and support steel beam two ends is embedded in the first internal concrete layer, the second concrete layer to form the sequentially connected step of several grades is poured outside support steel beam, the bottom surface of second concrete layer is parallel to two fashioned iron ladder beams.The present invention be prefabricated in the factory formwork when pouring the stability of fashioned iron ladder beam and support steel beam it is strong, the first concrete layer and the second concrete layer will not crack, and greatly enhance the stability of steel concrete composite structure, the overall weight of stair is light.

Description

Steel concrete combines the light-duty assembled stair of flat underside
Technical field
The invention belongs to assembled architecture technical fields, and in particular to a kind of steel concrete combination light-duty Assembled Building of flat underside Ladder.
Background technique
It comes in recent years, assembled architecture is gradually promoted, in assembled architecture, wall has been all made of assembled knot Structure, stair generally use cast-in-situ steel reinforced concrete stair or prefabricated reinforced concrete stair, though cast-in-situ steel reinforced concrete stair So there is greater advantage in fastness, soundproof effect and non-maintaining go up, but reinforced concrete stairs self weight is larger, needs to carry out The complicated procedures of forming such as formwork, reinforcing bar binding, cast in situs and maintenance, long there are the construction period, concealed work is more, quality controllability is poor The disadvantages of;Prefabricated reinforced concrete stair, then exist from it is great, need to be using big machinery installation, joint connection in site node complexity etc. Disadvantage is subject to certain restrictions during popularization and application.
Summary of the invention
The present invention in order to solve shortcoming in the prior art, provide a kind of simple structure, convenient for production, it is light-weight, Intensity is high, can shorten the steel concrete combination light-duty assembled stair of flat underside of construction period.
In order to solve the above technical problems, the present invention adopts the following technical scheme: steel concrete combines the light-duty Assembled Building of flat underside Ladder side by side and the fashioned iron ladder beam that is obliquely installed of right low left high including two is provided with several grades successively between two fashioned iron ladder beams The step of connection, every grade of step include that several support steel beams are provided with along anterior-posterior horizontal direction, two fashioned iron ladder Liang Kaishe There is a perforation of several correspondences, support steel beam is plugged in perforation and fashioned iron ladder beam is stretched out at support steel beam both ends, and two It is poured outside fashioned iron ladder beam and support steel beam two ends is embedded in the first internal concrete layer, poured outside support steel beam The second concrete layer to form the sequentially connected step of several grades is built, the first concrete layer and the second concrete layer use It is poured simultaneously after formwork together, the bottom surface of the second concrete layer is parallel to two fashioned iron ladder beams.
Fashioned iron ladder beam uses channel steel or C-type steel, and the opening of two fashioned iron ladder beams is oppositely arranged, the front side of front side fashioned iron ladder beam Several are offered for pouring the sprue gate of the second concrete layer, each equal position in sprue gate with the rear side of rear side fashioned iron ladder beam In the horizontal plane of step and the angle of vertical plane.
The top and bottom of fashioned iron ladder beam are fixedly installed several pegs, peg, the convex-type steel ladder beam on top respectively Setting is parallel to the reinforced mesh on fashioned iron ladder beam surface between the peg of external support steel beam and lower part, and reinforced mesh is pre-buried In the first concrete layer.
It connects to form steel mesh by the reinforcing rib perpendicular to support steel beam between several support steel beams, steel mesh is whole It is embedded in the second concrete layer.
Support steel beam uses reinforcing bar or angle steel.
By adopting the above technical scheme, compared with the prior art, the present invention has the following advantages:
1, perforation is opened up on fashioned iron ladder beam, support steel beam is mounted on two fashioned iron ladder beams across perforation, mixed pouring first Support steel beam and two fashioned iron ladder beams will be first welded as a whole before concrete before solidifying soil layer and the second concrete layer, is poured in formwork Ensure the stability of fashioned iron ladder beam and support steel beam when building.
2, in the first concrete layer of external setting and the second concrete layer of fashioned iron ladder beam and support steel beam, and first Steel mesh is set in concrete layer, peg and reinforced mesh are set in the second concrete layer, can be poured as far as possible so relatively thin Concrete, and ensure that the first concrete layer and the second concrete layer will not crack, or even fall off, make steel concrete combination knot The stability of structure greatly enhances.
3, the bottom surface of the second concrete layer is parallel to two fashioned iron ladder beams, i.e. stair bottom is inclined flat-bottom structure, this Kind structure is easily installed fixation in casting concrete and pours mold.
4, fashioned iron ladder beam side offers several sprue gates, first pours the second concrete layer from bottom to top, then pours One concrete layer, when pouring the first concrete layer, concrete can also be by sprue gate by the coagulation in the first concrete layer Native further filling, this mode that pours ensure to pour no dead angle.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the diagrammatic cross-section of the second concrete layer in Fig. 1;
Fig. 3 is the structural schematic diagram of the medium-sized steel ladder beam of Fig. 1.
Specific embodiment
As shown in Figure 1-Figure 3, steel concrete of the invention combines the light-duty assembled stair of flat underside, including two side by side and left height The fashioned iron ladder beam 1 of right low dip setting is provided with the sequentially connected step 2 of several grades, every grade of step between two fashioned iron ladder beams 1 2 include that several support steel beams 3 are provided with along anterior-posterior horizontal direction, and two fashioned iron ladder beams 1 offer several correspondences Perforation, support steel beam 3 is plugged in perforation and fashioned iron ladder beam 1 is stretched out at 3 both ends of support steel beam, outside two fashioned iron ladder beams 1 It pours and 3 two ends of support steel beam is embedded in the first internal concrete layer 4, poured to be formed outside support steel beam 3 Second concrete layer 5 of the sequentially connected step 2 of several grades, the first concrete layer 4 and the second concrete layer 5 are using together It is poured simultaneously after formwork, the bottom surface of the second concrete layer 5 is parallel to two fashioned iron ladder beams 1.
Fashioned iron ladder beam 1 uses channel steel or C-type steel, and the opening of two fashioned iron ladder beams 1 is oppositely arranged, front side fashioned iron ladder beam 1 The rear side of front side and rear side fashioned iron ladder beam 1 offers several for pouring the sprue gate 8 of the second concrete layer 5, each pours Geat 8 is respectively positioned on the horizontal plane of step 2 and the angle of vertical plane.
The top and bottom of fashioned iron ladder beam 1 are fixedly installed several pegs 9, peg 9, the convex-type steel ladder on top respectively Setting is parallel to the reinforced mesh 10 on 1 surface of fashioned iron ladder beam, reinforcing bar between support steel beam 3 outside beam 1 and the peg of lower part 9 Mesh sheet 10 is embedded in the first concrete layer 4.
By connecting to form steel mesh 11, steel mesh perpendicular to the reinforcing rib of support steel beam 3 between several support steel beams 3 11 are all embedded in the second concrete layer 5.Support steel beam 3 uses reinforcing bar or angle steel.
Compared with the prior art, the present invention has the following advantages:
1, perforation is opened up on fashioned iron ladder beam 1, support steel beam 3 is mounted on two fashioned iron ladder beams 1 across perforation, is pouring first Support steel beam 3 and two fashioned iron ladder beams 1 will be first welded as a whole before concrete before concrete layer 4 and the second concrete layer 5, Ensure the stability of fashioned iron ladder beam 1 and support steel beam 3 when formwork pours.
2, in the first concrete layer 4 of external setting and the second concrete layer 5 of fashioned iron ladder beam 1 and support steel beam 3, and Steel mesh 11 is set in first concrete layer 4, peg 9 and reinforced mesh 10 are set in the second concrete layer 5, can be use up in this way Amount pours relatively thin concrete, and ensures that the first concrete layer 4 and the second concrete layer 5 will not crack, or even fall off, Greatly enhance the stability of steel concrete composite structure.
3, the bottom surface of the second concrete layer 5 is parallel to two fashioned iron ladder beams 1, i.e. stair bottom is inclined flat-bottom structure, This structure is easily installed fixation in casting concrete and pours mold.
4,1 side of fashioned iron ladder beam offers several sprue gates 8, first pours the second concrete layer 5 from bottom to top, then pour First concrete layer 4, when pouring the first concrete layer 4, concrete can also will be in the first concrete layer 4 by sprue gate 8 Concrete further fill, this mode that pours ensures to pour no dead angle.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side The protection scope of case.

Claims (5)

1. steel concrete combines the light-duty assembled stair of flat underside, it is characterised in that: side by side and right low left high is obliquely installed including two Fashioned iron ladder beam, be provided with the sequentially connected step of several grades between two fashioned iron ladder beams, every grade of step includes along front and back water Square to several support steel beams are provided with, two fashioned iron ladder beams offer the perforation of several correspondences, and support steel beam is inserted It is located in perforation and fashioned iron ladder beam is stretched out at support steel beam both ends, poured outside two fashioned iron ladder beams by support steel beam two ends It is embedded in the first internal concrete layer, pours to form the sequentially connected step of several grades outside support steel beam Second concrete layer, the first concrete layer and the second concrete layer pour simultaneously using after formwork together, the second concrete The bottom surface of layer is parallel to two fashioned iron ladder beams.
2. steel concrete according to claim 1 combines the light-duty assembled stair of flat underside, it is characterised in that: fashioned iron ladder Liang Caiyong The opening of channel steel or C-type steel, two fashioned iron ladder beams is oppositely arranged, the front side of front side fashioned iron ladder beam and the rear side of rear side fashioned iron ladder beam Several are offered for pouring the sprue gate of the second concrete layer, each sprue gate is respectively positioned on the horizontal plane of step and vertical The angle in face.
3. steel concrete according to claim 1 or 2 combines the light-duty assembled stair of flat underside, it is characterised in that: fashioned iron ladder beam Top and bottom be fixedly installed several pegs respectively, support steel beam outside the peg on top, convex-type steel ladder beam and Setting is parallel to the reinforced mesh on fashioned iron ladder beam surface between the peg of lower part, and reinforced mesh is embedded in the first concrete layer It is interior.
4. steel concrete according to claim 1 or 2 combines the light-duty assembled stair of flat underside, it is characterised in that: several branch It connects to form steel mesh by the reinforcing rib perpendicular to support steel beam between support girder steel, steel mesh is all embedded in the second concrete In layer.
5. steel concrete according to claim 1 or 2 combines the light-duty assembled stair of flat underside, it is characterised in that: support steel beam Using reinforcing bar or angle steel.
CN201910105954.1A 2019-02-02 2019-02-02 Steel concrete combines the light-duty assembled stair of flat underside Pending CN109629779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910105954.1A CN109629779A (en) 2019-02-02 2019-02-02 Steel concrete combines the light-duty assembled stair of flat underside

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910105954.1A CN109629779A (en) 2019-02-02 2019-02-02 Steel concrete combines the light-duty assembled stair of flat underside

Publications (1)

Publication Number Publication Date
CN109629779A true CN109629779A (en) 2019-04-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241986A (en) * 2019-06-17 2019-09-17 山东大学 A kind of grouting formula steel-mixes combined staircase and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204531233U (en) * 2015-02-12 2015-08-05 湖北弘顺钢结构制造有限公司 A kind of prefabricated steel reinforced concrete combined staircase
CN204676793U (en) * 2015-02-12 2015-09-30 湖北弘顺钢结构制造有限公司 A kind of section steel beam Prefabricated composite stair
CN208072810U (en) * 2018-03-28 2018-11-09 中赟国际工程股份有限公司 A kind of novel cast-in-situ steel reinforced concrete stair
CN208455984U (en) * 2018-04-13 2019-02-01 广东正立建筑科技有限公司 Precast hollow beam type stair
CN209637142U (en) * 2019-02-02 2019-11-15 河南绿建建筑科技有限公司 Steel concrete combines the light-duty assembled stair of flat underside

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204531233U (en) * 2015-02-12 2015-08-05 湖北弘顺钢结构制造有限公司 A kind of prefabricated steel reinforced concrete combined staircase
CN204676793U (en) * 2015-02-12 2015-09-30 湖北弘顺钢结构制造有限公司 A kind of section steel beam Prefabricated composite stair
CN208072810U (en) * 2018-03-28 2018-11-09 中赟国际工程股份有限公司 A kind of novel cast-in-situ steel reinforced concrete stair
CN208455984U (en) * 2018-04-13 2019-02-01 广东正立建筑科技有限公司 Precast hollow beam type stair
CN209637142U (en) * 2019-02-02 2019-11-15 河南绿建建筑科技有限公司 Steel concrete combines the light-duty assembled stair of flat underside

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241986A (en) * 2019-06-17 2019-09-17 山东大学 A kind of grouting formula steel-mixes combined staircase and preparation method thereof

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Application publication date: 20190416

RJ01 Rejection of invention patent application after publication