CN110965808A - Construction method of externally hung stair and packway of fabricated building - Google Patents

Construction method of externally hung stair and packway of fabricated building Download PDF

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Publication number
CN110965808A
CN110965808A CN201911174267.1A CN201911174267A CN110965808A CN 110965808 A CN110965808 A CN 110965808A CN 201911174267 A CN201911174267 A CN 201911174267A CN 110965808 A CN110965808 A CN 110965808A
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CN
China
Prior art keywords
stair
support
bench
supports
construction method
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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
CN201911174267.1A
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Chinese (zh)
Inventor
汪泽亮
黄继岩
王勇
王琦硕
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.)
China MCC20 Group Corp Ltd
Shanghai Ershiye Construction Co Ltd
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China MCC20 Group Corp Ltd
Shanghai Ershiye Construction Co Ltd
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Application filed by China MCC20 Group Corp Ltd, Shanghai Ershiye Construction Co Ltd filed Critical China MCC20 Group Corp Ltd
Priority to CN201911174267.1A priority Critical patent/CN110965808A/en
Publication of CN110965808A publication Critical patent/CN110965808A/en
Pending legal-status Critical Current

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    • 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
    • E04G27/00Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps

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

Abstract

The invention relates to a construction method of an externally hung stair pavement of an assembly type building, which comprises the following steps: preparing two sections of a first stair section and a second stair section which are assembled according to the story height of a building layer and have the height matched with the story height; preparing a first bench support and a second bench support; manufacturing a plurality of tripod supports, wherein each tripod support comprises a vertical support, a horizontal support, an inclined support and a horizontal rib support; installing a plurality of support tripods on a wall at intervals correspondingly, and connecting and fixing vertical supports with the wall; mounting a platform plate on the plurality of pin-supported tripods, wherein the platform plate is fixedly connected with the horizontal supports; mounting the second stair flight above the deck and away from the wall; the first stair section is installed above the platform plate and close to the wall. The invention can realize the installation and construction of the external hanging type stair runway of the fabricated building and has simple and convenient construction operation.

Description

Construction method of externally hung stair and packway of fabricated building
Technical Field
The invention belongs to the technical field of externally hung stair construction, and particularly relates to a construction method of an externally hung stair berm of an assembly type building.
Background
When the assembly type building operation layer is constructed, the stairs at the lower layer are in an uninstalled state, so that an operator cannot reach the operation layer top plate to erect the template, the construction difficulty of the externally-hung stair runway of the assembly type building is increased, and the requirement of developing a construction method of the externally-hung stair runway of the assembly type building to meet the requirement of simple construction is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method of an externally hung stair berm of an assembly type building, which realizes the installation and construction of the externally hung stair berm of the assembly type building and is simple and convenient to construct and operate.
The technical scheme adopted by the invention for solving the technical problem is to provide a construction method of an externally hung stair berm of an assembly type building, which comprises the following steps:
(1) preparing two sections of a first stair section and a second stair section which are assembled according to the story height of a building layer and have the height matched with the story height;
(2) preparing a first stair section support and a second stair section support, wherein the height of the first stair section support is matched with the floor height, and the height of the second stair section support is matched with the installation height of the second stair section;
(3) manufacturing a plurality of supporting tripods, wherein each supporting tripod comprises a vertical support, a horizontal support, an inclined support and a horizontal rib support, the horizontal support is vertically connected with the top end of the vertical support, the horizontal support and the vertical support are respectively connected with the inclined supports, and the horizontal rib supports are connected between the inclined supports and the vertical supports;
(4) installing a plurality of support tripods on a wall at intervals correspondingly, wherein the vertical supports are fixedly connected with the wall;
(5) mounting a platform plate on the plurality of pin-supported tripods, wherein the platform plate is fixedly connected with the horizontal supports;
(6) installing a second stair section above the platform plate and far away from the wall body, wherein the lowest step of the second stair section is fixed on the platform plate, the highest step of the second stair section and the top of a second stair section support are fixed to form a support, and the lower end of the second stair section support is fixed on the platform plate;
(7) install first stair bench in the top of landing slab and be close to the wall body, the lower order of first stair bench supports the fixed formation in top and supports, the highest order supports the fixed formation in top with first bench and supports with the second bench support top and support, first bench supports the lower extreme and fixes on the landing slab.
The mounting height of first stair bench and second stair bench is half of the story height, bolt hole is left respectively in the four corners in first stair bench and second stair bench, first stair bench passes through the bolt and supports respectively with first bench and second stair bench support to be connected fixedly, second stair bench passes through the bolt and supports to be connected fixedly with landing slab and second stair bench respectively.
The first stair bench and the second stair bench are formed by welding steel plates.
The main part that first bench supported and the second bench supported adopts square pipe to make, the steel sheet has been welded respectively at the both ends that first bench supported and the second bench supported, it has the bolt hole to reserve on the steel sheet.
Vertical support and horizontal brace adopt the channel-section steel to make, bearing diagonal and horizontal rib support adopt square pipe to make, and the welding forms the support tripod.
The support tripod is set to be three trusses and located the both ends and the middle part of landing slab respectively, it is fixed to adopt bolted connection between vertical braces and the wall body, it is fixed to adopt bolted connection between landing slab and the horizontal braces.
And (5) after the platform board is installed, adopting a steel wire rope to perform drawknot at the outer end corner of the platform board, and connecting the other end of the steel wire rope with a pull ring pre-buried on the wall body.
Advantageous effects
The invention can realize the installation and construction of the externally hung stair berm of the fabricated building, has simple and convenient construction operation, solves the problem that the externally hung stair berm of the fabricated building can not be constructed by adopting the traditional formwork erecting method because the template can not be erected, and has low construction cost and high efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 1, a construction method of an external hanging stairway for an assembly type building comprises the following steps:
(1) two sections of preparation are assembled according to the floor height on building layer height and are highly assembled with first stair bench 1 and second stair bench 2 of floor height assorted, and the mounting height of first stair bench 1 and second stair bench 2 is half of the floor height. First stair bench 1 and second stair bench 2 adopt the steel sheet welding of 2mm thickness to form, and bolt hole is stayed in the four corners respectively to first stair bench 1 and second stair bench 2.
(2) Two first bench supports 3 and four second bench supports 4 are prepared, the height of first bench support 3 matches with the floor height, and the height of second bench support 4 matches with the mounting height of second bench 2, and is half of the floor height. The main bodies of the first ladder section support 3 and the second ladder section support 4 are made of square tubes with the length of 60 x 4mm, two ends of the first ladder section support 3 and two ends of the second ladder section support 4 are respectively welded with steel plates with the length of 10cm x 1cm, and bolt holes are reserved in the middle of the steel plates.
(3) And manufacturing three supporting tripods, wherein each supporting tripod comprises a vertical support 5, a horizontal support 6, an inclined support 7 and a horizontal rib support 8, the vertical support 5 and the horizontal support 6 are made of No. 10 channel steel, the length of the vertical support 5 is 1.5m, the length of the horizontal support 6 is consistent with the width of a platform plate 11, and the inclined support 7 and the horizontal rib support 8 are made of square tubes of 60X 4 mm. Horizontal support 6 and vertical support 5's top vertical welding, must be full weld, horizontal support 6 and vertical support 5 weld with bearing diagonal 7 respectively, the welding has horizontal rib to support 8 between bearing diagonal 7 and the vertical support 5, bearing diagonal 7 welds in 6 apart from tip 30mm departments of horizontal support, bearing diagonal 7 welds in 5 apart from lower extreme 500mm departments of vertical support, horizontal rib supports 8 welds in 5 apart from lower extreme 1m departments of vertical support, horizontal rib supports 8 welds in the middle part of bearing diagonal 7.
(4) Three supporting tripods are correspondingly installed on a wall 9 at intervals, the vertical supports 5 and the wall 9 are fixedly connected through an upper bolt 10 and a lower bolt 10, the lower bolts 10 are 30mm away from the lower ends of the vertical supports 5, the upper bolts 10 are 30mm away from the upper ends of the vertical supports 5, and the models of the bolts 10 are M30.
(5) Three supporting tripods are provided with a platform plate 11, the three supporting tripods are respectively positioned at the two ends and the middle part of the platform plate 11, the platform plate 11 and the horizontal support 6 are fixedly connected by three bolts 10, and the three bolts 10 are respectively positioned in the middle of the end part of the horizontal support 6. Platform plate 11 is thickness 5 mm's steel sheet, and the width is first stair bench 1 and 2 widths of second stair bench and, the horizontal length of stair bench is slightly good at to length, keeps somewhere on the steel sheet has the bolt hole. After the platform board 11 is installed, the outer side corner of the platform board 11 is tied by using the steel wire rope 12, the tie point is located above the platform board 11, and the other end of the steel wire rope 12 is connected with a pull ring pre-embedded at the tie point on the wall body 9.
(6) Install second stair bench 2 in the top of landing slab 11 and keep away from wall body 9, the bolt fastening is passed through on landing slab 11 to the lowest rank of second stair bench 2, and the highest rank supports 4 fixed formation in top through bolted connection and two second stair benches and supports, and two second stair benches support 4 and are located the inside and outside both sides of second stair bench 2, and the second stair bench supports 4 lower extremes and passes through the bolt fastening on landing slab 11.
(7) Install first stair bench 1 in the top of landing slab 11 and be close to wall body 9, the lowest rank of first stair bench 1 supports 4 tops through bolt and two second bench and fixedly forms the support, the highest rank supports 3 tops through bolted connection and two first benches and fixedly forms the support, two first bench support 3 and two second bench support 4 are located the inside and outside both sides of first stair bench 1 respectively, 3 lower extremes of first bench support are fixed on landing slab 11.

Claims (7)

1. A construction method of an externally hung stair pavement of an assembly type building comprises the following steps:
(1) preparing a first stair step section (1) and a second stair step section (2) which are assembled into two sections and the heights of which are matched with the floor height according to the floor height of a building layer;
(2) preparing a first stair section support (3) and a second stair section support (4), wherein the height of the first stair section support (3) is matched with the floor height, and the height of the second stair section support (4) is matched with the installation height of the second stair section (2);
(3) manufacturing a plurality of supporting tripods, wherein each supporting tripod comprises a vertical support (5), a horizontal support (6), an inclined support (7) and a horizontal rib support (8), the horizontal support (6) is vertically connected with the top end of the vertical support (5), the horizontal support (6) is respectively connected with the vertical support (5) through the inclined supports (7), and the horizontal rib supports (8) are connected between the inclined supports (7) and the vertical supports (5);
(4) a plurality of support tripods are correspondingly mounted on a wall (9) at intervals, and the vertical supports (5) are fixedly connected with the wall (9);
(5) mounting a platform plate (11) on a plurality of supporting tripods, wherein the platform plate (11) is fixedly connected with the horizontal support (6);
(6) a second stair section (2) is arranged above a platform plate (11) and far away from a wall body (9), the lowest step of the second stair section (2) is fixed on the platform plate (11), the highest step of the second stair section (2) is fixed with the top of a second stair section support (4) to form a support, and the lower end of the second stair section support (4) is fixed on the platform plate (11);
(7) install first stair bench (1) in the top of landing slab (11) and be close to wall body (9), the lower order of first stair bench (1) supports (4) fixed formation in top and supports, the highest order supports (3) the fixed formation in top with first bench and supports with second bench, first bench supports (3) lower extreme and fixes on landing slab (11).
2. The construction method of the prefabricated building externally-hung stair horse way according to claim 1, wherein the construction method comprises the following steps: the mounting height of first stair bench (1) and second stair bench (2) is half of the story height, bolt hole is kept somewhere respectively in the four corners in first stair bench (1) and second stair bench (2), first stair bench (1) support (3) and second stair bench support (4) respectively through bolt (10) and are connected fixedly, second stair bench (2) support (4) with landing slab (11) and second stair bench respectively through bolt (10) and are connected fixedly.
3. The construction method of the prefabricated building externally-hung stair horse way according to claim 1, wherein the construction method comprises the following steps: the first stair bench section (1) and the second stair bench section (2) are formed by welding steel plates.
4. The construction method of the prefabricated building externally-hung stair horse way according to claim 1, wherein the construction method comprises the following steps: the main part of first bench support (3) and second bench support (4) adopts square pipe to make, the steel sheet has been welded respectively at the both ends of first bench support (3) and second bench support (4), it has the bolt hole to reserve on the steel sheet.
5. The construction method of the prefabricated building externally-hung stair horse way according to claim 1, wherein the construction method comprises the following steps: vertical support (5) and horizontal braces (6) adopt the channel-section steel to make, bearing diagonal (7) and horizontal rib support (8) adopt square pipe to make, and the welding forms and supports the tripod.
6. The construction method of the prefabricated building externally-hung stair horse way according to claim 1, wherein the construction method comprises the following steps: the supporting tripod is arranged to be three and located at two ends and the middle of a platform plate (11) respectively, the vertical supports (5) and the wall body (9) are fixedly connected through bolts (10), and the platform plate (11) and the horizontal supports (6) are fixedly connected through bolts (10).
7. The construction method of the prefabricated building externally-hung stair horse way according to claim 1, wherein the construction method comprises the following steps: and (5) after the platform board (11) is installed, adopting a steel wire rope (12) to perform tie at the outer side end corner of the platform board (11), and connecting the other end of the steel wire rope (12) with a pull ring pre-embedded on the wall body (9).
CN201911174267.1A 2019-11-26 2019-11-26 Construction method of externally hung stair and packway of fabricated building Pending CN110965808A (en)

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CN201911174267.1A CN110965808A (en) 2019-11-26 2019-11-26 Construction method of externally hung stair and packway of fabricated building

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Application Number Priority Date Filing Date Title
CN201911174267.1A CN110965808A (en) 2019-11-26 2019-11-26 Construction method of externally hung stair and packway of fabricated building

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114922468A (en) * 2022-05-27 2022-08-19 中国建筑一局(集团)有限公司 Directional movable assembly type berm based on deep foundation pit multi-ring inner support

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8771544B2 (en) * 2010-05-10 2014-07-08 Larry James Hopper Stair tower module
CN106836851A (en) * 2016-12-15 2017-06-13 宁波二十冶建设有限公司 Deep basal pit hanging-type construction stair and its construction method
CN206521958U (en) * 2017-02-23 2017-09-26 中国建筑第二工程局有限公司 A kind of overhanging type packway
CN107905556A (en) * 2017-11-23 2018-04-13 中国建筑第八工程局有限公司 A kind of suspension type riding track mounting structure and method based on central tube
CN108590227A (en) * 2018-07-05 2018-09-28 上海市机械施工集团有限公司 A kind of Core Walls Structure express passway that people's goods is dual-purpose
CN208056594U (en) * 2018-04-09 2018-11-06 福建六建集团有限公司 Novel overhanging type scaffold device
CN209277600U (en) * 2018-12-21 2019-08-20 福建六建集团有限公司 Novel fabricated structure construction temporarily uses steel ladder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8771544B2 (en) * 2010-05-10 2014-07-08 Larry James Hopper Stair tower module
CN106836851A (en) * 2016-12-15 2017-06-13 宁波二十冶建设有限公司 Deep basal pit hanging-type construction stair and its construction method
CN206521958U (en) * 2017-02-23 2017-09-26 中国建筑第二工程局有限公司 A kind of overhanging type packway
CN107905556A (en) * 2017-11-23 2018-04-13 中国建筑第八工程局有限公司 A kind of suspension type riding track mounting structure and method based on central tube
CN208056594U (en) * 2018-04-09 2018-11-06 福建六建集团有限公司 Novel overhanging type scaffold device
CN108590227A (en) * 2018-07-05 2018-09-28 上海市机械施工集团有限公司 A kind of Core Walls Structure express passway that people's goods is dual-purpose
CN209277600U (en) * 2018-12-21 2019-08-20 福建六建集团有限公司 Novel fabricated structure construction temporarily uses steel ladder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114922468A (en) * 2022-05-27 2022-08-19 中国建筑一局(集团)有限公司 Directional movable assembly type berm based on deep foundation pit multi-ring inner support

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Application publication date: 20200407