CN108104463A - Girder with rolled steel section en cased in concrete form bracing system construction technology - Google Patents
Girder with rolled steel section en cased in concrete form bracing system construction technology Download PDFInfo
- Publication number
- CN108104463A CN108104463A CN201711344939.XA CN201711344939A CN108104463A CN 108104463 A CN108104463 A CN 108104463A CN 201711344939 A CN201711344939 A CN 201711344939A CN 108104463 A CN108104463 A CN 108104463A
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- China
- Prior art keywords
- steel
- section
- concrete
- cased
- girder
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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.)
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Classifications
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
- E04G11/42—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings with beams of metal or prefabricated concrete which are not, or of which only the upper part is embedded
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/18—Devices for suspending or anchoring form elements to girders placed in ceilings, e.g. hangers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention belongs to technical field of buildings, more particularly to a kind of girder with rolled steel section en cased in concrete form bracing system construction technology, it is characterised in that take following steps：1) stayed under girder with rolled steel section en cased in concrete and set construction joint；2) section steel beam all in structure is sequentially placed on the ground.3) section steel beam is linked to be entirety by I-steel；4) section steel beam and I-steel are passed through with two U-shaped hangs muscles；5) height of I-steel is determined；6) steel tube frame and its construction measure are installed on workbench；7) reinforcing bar in girder with rolled steel section en cased in concrete is installed；8) entire support system is overall increased to predetermined height；9) beam reinforced steel bar is bound on the support system platform fixed is promoted；10) casting beams board concrete；11) all support systems are removed.The installation operation at entire support system and key structure position is entirely to complete on the ground, then overall increases to specified altitude assignment by lifting device, realizes the purpose of concrete integral cast-in-situ.
Description
Technical field
The present invention relates to a kind of girder with rolled steel section en cased in concrete form bracing system construction technologies, belong to technical field of buildings.
Background technology
Under the overall background that steel reinforced concrete structure system develops in current construction industry to high, big, difficult direction, largely appear in
Large span, heavy load, high-rise working cast-in-place concrete structure system in.For the common trait of such structure type, component
Sectional dimension is big, construction loads is heavy, working at height, operation difficulty are big etc..
The content of the invention
The technical problem to be solved by the present invention is to：A kind of girder with rolled steel section en cased in concrete form bracing system construction technology is provided,
Construction stage makes full use of the self-bearing capacity of the medium-sized girder steel of girder with rolled steel section en cased in concrete, and form bracing system will be applied by connecting structure
Work load is transferred on section steel beam, greatly reduces the difficulty of construction of support system.
Girder with rolled steel section en cased in concrete form bracing system construction technology of the present invention, it is characterised in that take following steps：
1) pouring frame column concrete stays under girder with rolled steel section en cased in concrete and sets construction joint；
2) normal control wire is surveyed according to the position bullet of girder with rolled steel section en cased in concrete on the ground, according to control line on the ground successively
All section steel beams in displacement structure.
3) I-steel is arranged below section steel beam since the 300mm of steel column side, all I-steel are passed through by welding
Logical all section steel beams, are linked to be entirety by section steel beam；
4) connected with two U-shaped hangs muscles through section steel beam and I-steel with anchoring piece, all section steel beams and I-steel group
Synthetic work platform；
5) height of I-steel is determined according to shaped steel beam section size, support system scheme；It is adjusted by adjusting anchoring piece
Bearing height, to meet the requirement for height of support system；
6) steel tube frame is installed on workbench and its construction measure, all vertical steel pipes must be placed at I-shaped
On steel, and connecting portion needs welded reinforcement, it is ensured that steel pipe is connected firmly with I-steel；
7) reinforcing bar in girder with rolled steel section en cased in concrete is installed, after concealment acceptance qualification, beam-slab template is installed and primary and secondary is stupefied；
8) entire support system is overall increased to predetermined height, section steel beam and the shaped steel in steel column are attached
It is fixed, the reinforcing bar at bean column node is adjusted, forms support system platform；
9) beam reinforced steel bar is bound on the support system platform fixed is promoted, carries out reinforcing bar concealment acceptance；
10) casting beams board concrete, girder with rolled steel section en cased in concrete is interior to be poured using self-compacting concrete, cuts off the U-shaped hangs muscle in bottom；
11) all support systems are removed after beam slab concrete strength reaches the 100% of design strength.
20mm is stayed and is set construction joint under girder with rolled steel section en cased in concrete in step 1).
In step 3) below I-steel spacing 1000mm.
U-shaped hangs muscle opening passes through to I-steel direction, U-shaped hangs muscle hanging on section steel beam at both ends open in step 4)
Anchoring piece fastens.
A diameter of more than 18mm of reinforcing bar in step 6).
When support system is removed in step 11), it then follows it first installs and tears open afterwards, the principle first torn open installed afterwards.
The beneficial effects of the invention are as follows：
The medium-sized girder steel of girder with rolled steel section en cased in concrete can by a pair of U-shaped hangs muscle, anchoring piece realization with the I-steel in support system
By connection, as the operating platform in entire work progress, all form bracing systems are set up on the operational platform.Entire branch
The installation operation at support body system and key structure position is entirely to complete on the ground, then is overall increased to by lifting device specified
Highly, the purpose of concrete integral cast-in-situ is realized.
Description of the drawings
Fig. 1 is the floor map of the present invention.
Fig. 2 is the cross section structure schematic diagram of A-A in Fig. 1.
In figure：1st, girder with rolled steel section en cased in concrete；2nd, section steel beam；3rd, U-shaped hangs muscle；4th, I-steel；5th, anchoring piece；6th, steel pipe support
Frame；7th, beam-slab template and primary and secondary are stupefied.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1~Fig. 2, girder with rolled steel section en cased in concrete form bracing system construction technology of the present invention, feature exists
In taking following steps：
1) pouring frame column concrete stays under girder with rolled steel section en cased in concrete 1 and sets construction joint；
2) normal control wire is surveyed according to the position bullet of girder with rolled steel section en cased in concrete on the ground, according to control line on the ground successively
All section steel beams 2 in displacement structure.
3) I-steel is arranged below section steel beam since the 300mm of steel column side, all I-steel are passed through by welding
Logical all section steel beams, are linked to be entirety by section steel beam；
4) connected with two U-shaped hangs muscles 3 through section steel beam and I-steel 4 with anchoring piece 5, all section steel beam and I-shaped
Steel is combined into workbench；
5) height of I-steel is determined according to shaped steel beam section size, support system scheme；It is adjusted by adjusting anchoring piece
Bearing height, to meet the requirement for height of support system；
6) steel tube frame 6 is installed on workbench and its construction measure, all vertical steel pipes must be placed at work
On word steel, and connecting portion needs welded reinforcement, it is ensured that steel pipe is connected firmly with I-steel；
7) reinforcing bar in girder with rolled steel section en cased in concrete is installed, after concealment acceptance qualification, beam-slab template and primary and secondary stupefied 7 are installed；
8) entire support system is overall increased to predetermined height, section steel beam and the shaped steel in steel column are attached
It is fixed, the reinforcing bar at bean column node is adjusted, forms support system platform；
9) beam reinforced steel bar is bound on the support system platform fixed is promoted, carries out reinforcing bar concealment acceptance；
10) casting beams board concrete, girder with rolled steel section en cased in concrete is interior to be poured using self-compacting concrete, cuts off the U-shaped hangs muscle in bottom；
11) all support systems are removed after beam slab concrete strength reaches the 100% of design strength.
20mm is stayed and is set construction joint under girder with rolled steel section en cased in concrete in step 1).
In step 3) below I-steel spacing 1000mm.
U-shaped hangs muscle opening passes through to I-steel direction, U-shaped hangs muscle hanging on section steel beam at both ends open in step 4)
Anchoring piece fastens.
A diameter of more than 18mm of reinforcing bar in step 6).
When support system is removed in step 11), it then follows it first installs and tears open afterwards, the principle first torn open installed afterwards.
Claims (6)
1. a kind of girder with rolled steel section en cased in concrete form bracing system construction technology, it is characterised in that take following steps：
1) pouring frame column concrete stays under girder with rolled steel section en cased in concrete (1) and sets construction joint；
2) normal control wire is surveyed according to the position bullet of girder with rolled steel section en cased in concrete on the ground, is sequentially placed on the ground according to control line
Section steel beam (2) in structure；
3) I-steel is arranged below section steel beam since the 300mm of steel column side, I-steel penetrates through section steel beam by welding, will
Section steel beam is linked to be entirety；
4) connected with two U-shaped hangs muscles (3) through section steel beam and I-steel (4) with anchoring piece (5), section steel beam and I-steel group
Synthetic work platform；
5) height of I-steel is determined according to shaped steel beam section size, support system scheme；By adjusting anchoring piece adjustment support
Highly, to meet the requirement for height of support system；
6) steel tube frame (6) is installed on workbench and its construction measure, vertical steel pipe must be placed on I-steel, and
Connecting portion needs welded reinforcement, it is ensured that steel pipe is connected firmly with I-steel；
7) reinforcing bar in girder with rolled steel section en cased in concrete is installed, after concealment acceptance qualification, beam-slab template is installed and primary and secondary is stupefied (7)；
8) entire support system is overall increased to predetermined height, the shaped steel in section steel beam and steel column is attached solid
It is fixed, the reinforcing bar at bean column node is adjusted, forms support system platform；
9) beam reinforced steel bar is bound on the support system platform fixed is promoted, carries out reinforcing bar concealment acceptance；
10) casting beams board concrete, girder with rolled steel section en cased in concrete is interior to be poured using self-compacting concrete, cuts off the U-shaped hangs muscle in bottom；
11) all support systems are removed after beam slab concrete strength reaches the 100% of design strength.
2. girder with rolled steel section en cased in concrete form bracing system construction technology according to claim 1, it is characterised in that：In step 1)
20mm, which is stayed, under girder with rolled steel section en cased in concrete sets construction joint.
3. girder with rolled steel section en cased in concrete form bracing system construction technology according to claim 1, it is characterised in that：In step 3)
Below I-steel spacing 1000mm.
4. girder with rolled steel section en cased in concrete form bracing system construction technology according to claim 1, it is characterised in that：In step 4)
U-shaped hangs muscle opening is fastened on section steel beam to I-steel direction, U-shaped hangs muscle hanging at both ends open by anchoring piece.
5. girder with rolled steel section en cased in concrete form bracing system construction technology according to claim 1, it is characterised in that：In step 6)
A diameter of more than 18mm of reinforcing bar.
6. girder with rolled steel section en cased in concrete form bracing system construction technology according to claim 1, it is characterised in that：Step 11)
During middle dismounting support system, it then follows it first installs and tears open afterwards, the principle first torn open installed afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344939.XA CN108104463A (en) | 2017-12-15 | 2017-12-15 | Girder with rolled steel section en cased in concrete form bracing system construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344939.XA CN108104463A (en) | 2017-12-15 | 2017-12-15 | Girder with rolled steel section en cased in concrete form bracing system construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108104463A true CN108104463A (en) | 2018-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711344939.XA Pending CN108104463A (en) | 2017-12-15 | 2017-12-15 | Girder with rolled steel section en cased in concrete form bracing system construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108104463A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232805A (en) * | 2022-01-20 | 2022-03-25 | 中国建筑第二工程局有限公司 | Construction method of ultrahigh-height large-span steel concrete beam hanging structure |
| CN115030487A (en) * | 2021-03-03 | 2022-09-09 | 中国葛洲坝集团第二工程有限公司 | System for supporting high-altitude partition concrete construction |
Citations (7)
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| CH170294A (en) * | 1933-10-10 | 1934-06-30 | Kern Conrad | Process for the production of structures from concrete. |
| JPS4933131B1 (en) * | 1970-07-14 | 1974-09-05 | ||
| JPH11117525A (en) * | 1997-10-17 | 1999-04-27 | Taisei Corp | Src-beam form and constructing method of src-beam |
| CN102444203A (en) * | 2011-09-15 | 2012-05-09 | 浙江城建建设集团有限公司 | High-altitude long-span overhanging corridor type reinforced concrete structure and construction method |
| CN202380732U (en) * | 2011-12-29 | 2012-08-15 | 中建七局第三建筑有限公司 | Self-load bearing template support device utilizing steel reinforced concrete beam |
| CN204238549U (en) * | 2014-11-03 | 2015-04-01 | 江苏省华建建设股份有限公司 | A kind of formwork support structure of steel reinforced concrete |
| CN106193590A (en) * | 2016-08-23 | 2016-12-07 | 中建八局第二建设有限公司 | Concrete-type steel form Construction of Supporting method |
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2017
- 2017-12-15 CN CN201711344939.XA patent/CN108104463A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH170294A (en) * | 1933-10-10 | 1934-06-30 | Kern Conrad | Process for the production of structures from concrete. |
| JPS4933131B1 (en) * | 1970-07-14 | 1974-09-05 | ||
| JPH11117525A (en) * | 1997-10-17 | 1999-04-27 | Taisei Corp | Src-beam form and constructing method of src-beam |
| CN102444203A (en) * | 2011-09-15 | 2012-05-09 | 浙江城建建设集团有限公司 | High-altitude long-span overhanging corridor type reinforced concrete structure and construction method |
| CN202380732U (en) * | 2011-12-29 | 2012-08-15 | 中建七局第三建筑有限公司 | Self-load bearing template support device utilizing steel reinforced concrete beam |
| CN204238549U (en) * | 2014-11-03 | 2015-04-01 | 江苏省华建建设股份有限公司 | A kind of formwork support structure of steel reinforced concrete |
| CN106193590A (en) * | 2016-08-23 | 2016-12-07 | 中建八局第二建设有限公司 | Concrete-type steel form Construction of Supporting method |
Non-Patent Citations (2)
| Title |
|---|
| 厉天数等: "高空大跨度型钢混凝土组合结构模板支撑体系施工技术", 《施工技术》 * |
| 李云飞等: "大跨度型钢混凝土组合梁施工技术", 《山西建筑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030487A (en) * | 2021-03-03 | 2022-09-09 | 中国葛洲坝集团第二工程有限公司 | System for supporting high-altitude partition concrete construction |
| CN114232805A (en) * | 2022-01-20 | 2022-03-25 | 中国建筑第二工程局有限公司 | Construction method of ultrahigh-height large-span steel concrete beam hanging structure |
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Application publication date: 20180601 |
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| RJ01 | Rejection of invention patent application after publication |