CN114876174A - Construction method of open-hole-free well way bearing beam - Google Patents
Construction method of open-hole-free well way bearing beam Download PDFInfo
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- CN114876174A CN114876174A CN202210595027.4A CN202210595027A CN114876174A CN 114876174 A CN114876174 A CN 114876174A CN 202210595027 A CN202210595027 A CN 202210595027A CN 114876174 A CN114876174 A CN 114876174A
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- bearing beam
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- well
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000010408 sweeping Methods 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 4
- 241001330002 Bambuseae Species 0.000 claims abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 4
- 239000011425 bamboo Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000002023 wood Substances 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005034 decoration Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/06—Light shafts, e.g. for cellars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/08—Scaffold boards or planks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A construction method of a non-open-hole shaft bearing beam is characterized by comprising the following steps: a. b, assembling and welding the bearing beam assembly part according to the size of a well, aligning the bearing beam assembly part to a position to be installed by adopting a tower crane to slowly descend, c, erecting a well scaffold, d, hanging a horizontal protective net and fully paving scaffold boards, arranging a horizontal safety net above the bearing beam, and fully paving the ground sweeping rod by using bamboo, wood and steel scaffold boards for construction and protection; the scaffold boards are laid to be smooth and meet the requirements of safety and use. The construction method of the open-hole-free shaft bearing beam has the advantages of simple structure of the bearing beam construction, convenient manufacture, high construction speed of installation and disassembly, short construction period and reusable bearing beam assembly, and is beneficial to reducing the cost.
Description
Technical Field
The invention relates to a shaft construction method, in particular to a construction method of a bearing beam of a shaft without an opening hole.
Background
High-rise buildings are representatives of modern cities, and elevator shafts, lighting wells and patios are important components of various high-rise buildings. The elevator shaft, the light extraction shaft and the raise part of the high-rise building are communicated up and down, so that the danger coefficient is large, and a shaft construction operation platform must be erected for construction and protection when constructors perform related construction work such as wall reinforcement binding, template construction, concrete pouring, template dismantling, decoration and the like. Traditional well operation platform is set up from bottom to top by steel pipe scaffold and forms this method and set up demolish consuming time hard and set up the loaded down with trivial details complicacy of process of putting up, perhaps sets up on shear force wall, structure back beam, protection breast board and reserves the square hole later stage and repair and appear quality common fault such as seepage easily and install and need wait that the superstructure construction is accomplished the back and assemble again.
The known shaft construction methods therefore suffer from the various inconveniences and problems described above.
Disclosure of Invention
The invention aims to provide a safe and reliable bearing beam device without an open hole well.
In order to achieve the purpose, the technical solution of the invention is as follows:
a construction method of a bearing beam of an open-hole-free well, the bearing beam is connected with a high-strength semi-embedded bolt arranged on a structural beam of a side wall of a well, a limit inserting rod is arranged above the bearing beam, a well scaffold is arranged on the bearing beam, a scaffold upright rod is inserted into the limit inserting rod of the upright rod for limiting and fixing, a horizontal safety net is arranged above the bearing beam, and a scaffold board is fully paved on a floor sweeping rod for construction and protection, and is characterized by comprising the following steps:
a. measuring and positioning, installing a semi-embedded sleeve, and performing axis guide measurement before installing a construction template of the hoistway structural beam so as to ensure accurate embedded installation and positioning of the sleeve;
b. hoisting, positioning and installing a bearing beam assembly part, assembling and welding the bearing beam assembly part according to the size of a well, aligning the bearing beam assembly part to a position to be installed by adopting a tower crane to slowly descend, strictly prohibiting swinging of a collision hole, and performing bolt connection when the bearing beam assembly part is hoisted to the position to be installed;
c. erecting a hoistway scaffold, wherein the hoistway scaffold is installed upwards according to the erecting sequence of vertical rods → horizontal rods → cross braces; the distance between the vertical rods is determined according to the size of the well;
d. hanging a horizontal protective net and fully paving scaffold boards, arranging a horizontal safety net above the bearing beam, and fully paving bamboo, wood and steel scaffold boards on the sweeping rod for construction and protection; the scaffold boards are laid to be smooth and meet the requirements of safety and use.
The construction method of the open-hole-free shaft bearing beam can be further realized by adopting the following technical measures.
In the method, the distance between the sweeping rod of the hoistway scaffold and the bottom of the vertical rod is less than 200 mm.
The method is characterized in that the horizontal rod step distance is less than or equal to 1.8 m.
After the technical scheme is adopted, the construction method of the open-hole-free shaft bearing beam has the following advantages:
1. the spandrel girder has simple construction structure and convenient manufacture;
2. the mounting and dismounting construction speed is high, and the construction period is saved;
3. the spandrel girder assembly part can be used circularly, and cost reduction is facilitated.
Drawings
Fig. 1 is a schematic view of a bearing beam erection structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view of B-B in fig. 1.
In the figure: 1 concrete structure beam, 2 high-strength bolts, 3I-steel, 4 vertical rods, 5 welding points of the bottom of a steel bar and the I-steel, 6 horizontal rods, 7 cross braces, 8 scaffold boards and 9 safety nets.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
Referring to fig. 1-3, in the construction method of the open-hole-free shaft bearing beam, the bearing beam is connected with a semi-embedded high-strength bolt arranged on a concrete structure beam 1 on the side wall of a shaft, a limit insertion rod is arranged above the bearing beam, a shaft scaffold is arranged on the bearing beam, the bottom of a steel bar is fixedly welded with an i-shaped steel 3 through a welding point 5, wherein two ends of a 16# i-shaped steel are fixedly welded through a 10mm thick steel plate, and the steel plate is connected with an 8.8-grade semi-embedded M20 high-strength bolt. In addition, short steel bars are fixedly welded at the top ends of the I-shaped steels, and then the upright rods of the scaffold are inserted into the short steel bars. The scaffold upright rod is inserted into the upright rod limiting insertion rod for limiting and fixing, the horizontal safety net 9 is arranged above the bearing beam, and the floor sweeping rod is fully paved with the scaffold boards 8 for construction and protection.
The construction method of the open-hole-free shaft bearing beam comprises the following steps:
a. measuring and positioning, installing a semi-embedded sleeve, and performing axis measurement before installing a construction template of the shaft structural beam so as to ensure accurate positioning of embedded installation of the sleeve;
b. hoisting, positioning and installing a bearing beam assembly part, assembling and welding the bearing beam assembly part according to the size of a well, aligning the bearing beam assembly part to a position to be installed by adopting a tower crane to slowly descend, strictly prohibiting swinging of a collision hole, and performing bolt connection when the bearing beam assembly part is hoisted to the position to be installed;
c. erecting a hoistway scaffold, wherein the hoistway scaffold is installed upwards according to the erecting sequence of vertical rods → horizontal rods → cross braces; the distance between the sweeping rod and the bottom of the vertical rod is not more than 200mm, the distance between the vertical rod 4 is determined according to the size of a well, and the step distance between the horizontal rod 6 and the vertical rod is preferably 1.8m, so that the operation of constructors is facilitated;
d. hanging a horizontal protective net and fully laying scaffold boards, arranging a horizontal safety net above the bearing beam, and fully laying the bamboo, wood and steel scaffold boards on the sweeping rod for construction and protection; the scaffold boards are laid to be smooth and meet the requirements of safety and use.
Compared with the traditional method, the construction method of the open-hole-free shaft bearing beam adopts the bearing beam assembly part to be connected with the high-strength semi-embedded bolt arranged on the structural beam of the shaft side wall, the limit inserting rod is arranged above the bearing beam, the shaft scaffold is arranged on the bearing beam, the upright rod of the scaffold is inserted into the upright rod limit inserting rod for limit fixing, the horizontal safety net is arranged above the bearing beam, and the scaffold hand plate is fully paved on the floor sweeping rod for construction and protection. The construction method of the open-hole-free shaft bearing beam can be suitable for shafts of elevators, lighting wells, patios and the like with various structures and sizes, the structural strength of the bearing beam can fully ensure the strength and rigidity of various shaft construction and protection platforms, and the safety during construction is improved.
The invention relates to a method for constructing a bearing beam of a non-open-hole well
1. The invention is suitable for the bearing beam device of the well, especially suitable for the bearing beam device of the well of elevator shafts, courtyard daylighting wells of various sizes;
2. when the well bay depth is larger, the bearing beam assembly part can adopt the steps of improving the grade of I-steel, enhancing the spiral strength, increasing the thickness of a connecting plate and the like;
3. the scaffold can select the scaffold such as a dish buckle type scaffold, a bowl buckle type scaffold, a wheel buckle type scaffold and the like according to the actual situation of a project site, and an upper pull rod or an unloading steel wire rope is arranged according to the project situation.
According to the construction method of the open-hole-free well bearing beam, reserved square holes do not need to be formed in the shear wall, the hidden danger of leakage of the outer wall is reduced by later repair, and the open-hole-free well bearing beam does not need to be placed on the structural beam to avoid influencing subsequent decoration operations such as a terrace. Because the bearing beam assembly part only needs to embed and position the semi-embedded part with the PVC plastic sleeve and the nut accurately when the structural beam is constructed, then the high-strength bolt lead screw can be firstly connected with the nut in the concrete beam after the beam concrete pouring is finished and the demolishing template reaches the strength, and then the other end of the lead screw is connected with the lug plate of the bearing beam device through the high-strength bolt, the assembly is not needed after the construction of the upper shear wall is finished, and the progress is accelerated; the bearing beam assembly part can be used in a turnover mode, cost is reduced, the mounting and dismounting construction speed is high, the construction period is shortened, safety is improved, and the bearing beam assembly part is welcomed by operators and management and use units.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (3)
1. A construction method of a bearing beam of an open-hole-free well, the bearing beam is connected with a high-strength semi-embedded bolt arranged on a structural beam of a side wall of a well, a limit inserting rod is arranged above the bearing beam, a well scaffold is arranged on the bearing beam, a scaffold upright rod is inserted into the limit inserting rod of the upright rod for limiting and fixing, a horizontal safety net is arranged above the bearing beam, and a scaffold board is fully paved on a floor sweeping rod for construction and protection, and is characterized by comprising the following steps:
a. measuring and positioning, installing a semi-embedded sleeve, and performing axis guide measurement before installing a construction template of the hoistway structural beam so as to ensure accurate embedded installation and positioning of the sleeve;
b. hoisting, positioning and installing a bearing beam assembly part, assembling and welding the bearing beam assembly part according to the size of a well, aligning the bearing beam assembly part to a position to be installed by adopting a tower crane to slowly descend, strictly prohibiting swinging of a collision hole, and performing bolt connection when the bearing beam assembly part is hoisted to the position to be installed;
c. erecting a hoistway scaffold, wherein the hoistway scaffold is installed upwards according to the erecting sequence of vertical rods → horizontal rods → cross braces; the distance between the vertical rods is determined according to the size of the well;
d. hanging a horizontal protective net and fully paving scaffold boards, arranging a horizontal safety net above the bearing beam, and fully paving bamboo, wood and steel scaffold boards on the sweeping rod for construction and protection; the scaffold boards are laid to be smooth and meet the requirements of safety and use.
2. The construction method of the open-hole-free shaft bearing beam as claimed in claim 1, wherein the distance between the sweeping rod of the shaft scaffold and the bottom of the vertical rod is less than 200 mm.
3. The construction method of the open-hole-free shaft bearing beam as claimed in claim 1, wherein the step pitch of the horizontal rods is less than or equal to 1.8 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595027.4A CN114876174A (en) | 2022-05-29 | 2022-05-29 | Construction method of open-hole-free well way bearing beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595027.4A CN114876174A (en) | 2022-05-29 | 2022-05-29 | Construction method of open-hole-free well way bearing beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876174A true CN114876174A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210595027.4A Pending CN114876174A (en) | 2022-05-29 | 2022-05-29 | Construction method of open-hole-free well way bearing beam |
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| CN (1) | CN114876174A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110024231A1 (en) * | 2009-07-30 | 2011-02-03 | Wurth Steven P | Foldable hoistway work deck |
| CN103015706A (en) * | 2012-11-08 | 2013-04-03 | 广西建工集团第五建筑工程有限责任公司 | System for lifting elevator shaft mold and construction method for cast-in-place wall of elevator shaft |
| CN203531348U (en) * | 2013-10-25 | 2014-04-09 | 中国建筑第二工程局有限公司 | Self-stability elevator shaft construction operation frame |
| CN205296799U (en) * | 2015-12-18 | 2016-06-08 | 中建八局第二建设有限公司 | Construction of elevator well and protection platform |
| CN205369874U (en) * | 2016-02-23 | 2016-07-06 | 福建省建中建设科技有限公司 | Elevartor shaft outer wall cantilever frame |
| CN113605659A (en) * | 2021-08-24 | 2021-11-05 | 中国五冶集团有限公司 | Elevator shaft tool type safe operation platform and construction method thereof |
-
2022
- 2022-05-29 CN CN202210595027.4A patent/CN114876174A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110024231A1 (en) * | 2009-07-30 | 2011-02-03 | Wurth Steven P | Foldable hoistway work deck |
| CN103015706A (en) * | 2012-11-08 | 2013-04-03 | 广西建工集团第五建筑工程有限责任公司 | System for lifting elevator shaft mold and construction method for cast-in-place wall of elevator shaft |
| CN203531348U (en) * | 2013-10-25 | 2014-04-09 | 中国建筑第二工程局有限公司 | Self-stability elevator shaft construction operation frame |
| CN205296799U (en) * | 2015-12-18 | 2016-06-08 | 中建八局第二建设有限公司 | Construction of elevator well and protection platform |
| CN205369874U (en) * | 2016-02-23 | 2016-07-06 | 福建省建中建设科技有限公司 | Elevartor shaft outer wall cantilever frame |
| CN113605659A (en) * | 2021-08-24 | 2021-11-05 | 中国五冶集团有限公司 | Elevator shaft tool type safe operation platform and construction method thereof |
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Application publication date: 20220809 |
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| RJ01 | Rejection of invention patent application after publication |