CN105239779A - Construction method of core tube and core tube - Google Patents
Construction method of core tube and core tube Download PDFInfo
- Publication number
- CN105239779A CN105239779A CN201510736559.5A CN201510736559A CN105239779A CN 105239779 A CN105239779 A CN 105239779A CN 201510736559 A CN201510736559 A CN 201510736559A CN 105239779 A CN105239779 A CN 105239779A
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- wall
- floor
- dowel
- anchor slab
- core walls
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Abstract
The invention discloses a construction method of a core tube and the core tube. The core tube comprises a wall and floors positioned at the two sides of the wall. The construction method comprises the following specific process: a connecting piece is manufactured; a wall molding template is laid; after the connecting piece is embedded in the wall through the wall molding template, concrete is cast; after the wall is molded, one end of the connecting piece is embedded in the wall, and the other end of the connecting piece is positioned on the outer wall of the wall; the wall molding template is unloaded; a floor upper reinforcement and a floor lower reinforcement of the floor are respectively welded with one end of the connecting piece on the outer wall of the wall; branch reinforcements are respectively laid on the floor upper reinforcement and the floor lower reinforcement to lay the floor molding template; then, the concrete is laid on the floor molding template and the reinforcements; and after the machining of the floor is finished, the floor molding template is unloaded. When the strength of the core tube is guaranteed, both time and labor are saved, the construction time is saved, the production efficiency is improved, and no noise and dust pollution is generated.
Description
Technical field
The present invention relates to the construction technology of Core Walls Structure, be specifically related to construction method and the Core Walls Structure of Core Walls Structure.
Background technology
At present in highrise building, particularly in super highrise building, horizontal loading is increasing, and the normal Center-Periphery Structure that adopts resists horizontal loading.Core Walls Structure comprises the floor on body of wall and body of wall both sides, and the body of wall of Center-Periphery Structure adopts slding form operation, and body of wall and floor can not synchronous constructions.Common way is that floor bar is embedded in the body of wall of Center-Periphery Structure by curved muscle, more curved muscle pre-buried in the body of wall of Center-Periphery Structure is dug out the bar connecting with floor during floor to be onstructed.This form of construction work, the connection workload of floor bar and curved muscle is large, time-consuming, take a lot of work, and produces noise pollution and dust pollution, affect the construction of other operations when being dug out by curved muscle.When story height, Center-Periphery Structure are large, the amount that need construct is large, and shortcoming is more outstanding.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide workload little, time saving and energy saving, the construction method of the Core Walls Structure of noise-less pollution and dust pollution and Core Walls Structure.
To achieve these goals, the technical solution used in the present invention is:
The construction method of Core Walls Structure, Core Walls Structure comprises body of wall and is positioned at the floor of body of wall both sides, and detailed process is as follows:
Make connector;
Lay body of wall forming panel, mix earth by body of wall forming panel built-in connection after-pouring in body of wall, after body of wall is shaping, connector is embedded in body of wall inside, and end, connector one end is positioned on body of wall outer wall;
Unload body of wall forming panel, by the floor upper reinforcement of floor and floor lower rebar respectively and be positioned at connector one end welding edges of body of wall outer wall;
Floor upper reinforcement and floor lower rebar lay branch's reinforcing bar respectively, lays floor forming panel;
Then laying mixed earth on the floor forming panel laid and reinforcing bar, after completing the processing of floor, unloads floor forming panel.
Described connector is made up of dowel and the anchor slab that welds with dowel; Described dowel one end is embedded in body of wall inside, and described anchor slab is positioned on body of wall outer wall, and the other end welding edges of described dowel is on anchor slab.
Described anchor slab side is dull and stereotyped, and described anchor slab opposite side is provided with framework, and the flanging that described framework is outwards turned down by dull and stereotyped four limits is formed.
Described dowel one end is the crotch be embedded in body of wall, the other end of described dowel be end stretch into described anchor slab framework in and the straight steel bar of described anchor slab welding.
Described dowel is welded on the center of described anchor slab.
Described connector is that two rows are arranged on described body of wall medium position.
Often arrange each interconnection spacing in connector identical.
Core Walls Structure, utilizes the construction method of above-mentioned Core Walls Structure to construct and obtains, and comprise body of wall and be positioned at the floor of body of wall both sides, described body of wall both sides are respectively equipped with the connector with the floor upper reinforcement of floor and floor bottom reinforcement welding.
Described connector is made up of dowel and the anchor slab that welds with dowel; Described dowel one end is embedded in body of wall inside, and described anchor slab is positioned on body of wall outer wall, and the other end welding edges of described dowel is on described anchor slab; The floor upper reinforcement of described floor and floor lower rebar and dowel welding.
Described anchor slab side is dull and stereotyped, and described anchor slab opposite side is provided with framework, and the flanging that described framework is outwards turned down by dull and stereotyped four limits is formed; Described dowel one end is the crotch be embedded in body of wall, the other end of described dowel be end stretch into described anchor slab framework in and the straight steel bar of described anchor slab welding.
The invention has the advantages that: the construction method of Core Walls Structure and Core Walls Structure, construction Center-Periphery Structure body of wall time connector is embedded in body of wall, after the shaping sliding formwork of body of wall is sliding, floor bar is welded with connector; Be embedded in body of wall with traditional floor bar by curved muscle, again curved muscle pre-buried in body of wall is dug out during floor to be onstructed compared with the mode connected with floor bar, the present invention is while guarantee Core Walls Structure intensity, time saving and energy saving, save the engineering time, improve production efficiency, and noiseless and dust pollution.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of manual of the present invention below and figure is briefly described:
Fig. 1 is the structural representation of Core Walls Structure of the present invention.
Fig. 2 is the floor bar of Core Walls Structure of the present invention and the connection status schematic diagram of connector.
Fig. 3 is the structural representation of the connector of the construction method of Core Walls Structure of the present invention and Core Walls Structure.
Fig. 4 is the schematic side view of Fig. 3 connector.
Fig. 5 is built-in connection and wall connecting view in the construction method of Core Walls Structure of the present invention and Core Walls Structure.
Fig. 6 is the floor upper reinforcement of built-in connection and floor in the construction method of Core Walls Structure of the present invention and Core Walls Structure and the connection status schematic diagram of floor lower rebar.
Mark in above-mentioned figure is:
1, body of wall, 2, floor, 3, connector, 4, floor upper reinforcement, 5, floor lower rebar, 6, branch's reinforcing bar, 7, anchor slab, 8, dowel.
Detailed description of the invention
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
With reference to Fig. 1-Fig. 6, the construction method of Core Walls Structure, Core Walls Structure comprises body of wall 1 and is positioned at the floor 2 of body of wall 1 both sides, and detailed process is as follows:
Make connector 3; Connector 3 can utilize clout at factory's batch making, conservative control cost, and saves the engineering time;
Lay body of wall 1 forming panel, according to the floor upper reinforcement 4 of floor 2 and the distributing position of floor lower rebar 5, earth is mixed by body of wall 1 forming panel built-in connection 3 after-pouring in body of wall 1, after body of wall 1 is shaping, it is inner that connector 3 is embedded in body of wall 1, and end, connector 3 one end is positioned on body of wall 1 outer wall; Body of wall 1 forming panel adopts synovial membrane, and connector 3 is embedded in body of wall 1 forming cavity in advance by forming panel, does not need rely on other structural members and be anchored in body of wall 1 by connector 3 by floor bar;
After body of wall 1 is shaping, unload body of wall 1 forming panel, by the floor upper reinforcement 4 of floor 2 and floor lower rebar 5 respectively and be positioned at connector 3 one end welding edges of body of wall 1 outer wall;
Floor upper reinforcement 4 and floor lower rebar 5 lay branch's reinforcing bar 6 respectively, after fixing branch's reinforcing bar 6, lays floor forming panel;
Then laying mixed earth on the floor forming panel laid and reinforcing bar, after completing the processing of floor 2, unloads floor forming panel.
The construction method of Core Walls Structure, construction Center-Periphery Structure body of wall 1 time connector 3 is embedded in body of wall 1, after the shaping sliding formwork of body of wall 1 is sliding, floor bar is welded with connector 3; Be embedded in body of wall 1 with traditional floor bar by curved muscle, again curved muscle pre-buried in body of wall 1 is dug out during floor 2 to be onstructed compared with the mode connected with floor bar, the present invention is while guarantee Core Walls Structure intensity, time saving and energy saving, save the engineering time, improve production efficiency, and noiseless and dust pollution.
Connector 3 is made up of dowel 8 and the anchor slab 7 that welds with dowel 8; It is inner that dowel 8 one end is embedded in body of wall 1, and anchor slab 7 is positioned on body of wall 1 outer wall, and the other end welding edges of dowel 8 is on anchor slab 7.Floor upper reinforcement 4 and floor lower rebar 5 are welded with the dowel 8 on anchor slab 7 respectively, to ensure the bonding strength between body of wall 1 and floor 2, ensure the product quality of Core Walls Structure.
Anchor slab 7 side is dull and stereotyped, and anchor slab 7 opposite side is provided with framework, and the flanging that framework is outwards turned down by dull and stereotyped four limits is formed; After floor 2 is shaping, mixed earth is laid in framework, realizes anchor slab 7, dowel 8 and the reliable and stable connection of floor 2, to ensure the structural integrity between body of wall 1 and floor 2 further.
Dowel 8 one end is be embedded in the crotch in body of wall 1, and the other end of dowel 8 is the interior straight steel bar of welding with anchor slab 7 of framework that anchor slab 7 is stretched in end; It is inner that dowel 8 is that one end of crotch fixedly secures at body of wall 1, and straight steel bar and floor upper reinforcement 4 and floor lower rebar 5 are welded, to ensure the structural integrity between body of wall 1 and floor 2 further.
Dowel 8 is welded on the center of anchor slab 7; Connector 3 sound construction, can improve the structural integrity between body of wall 1 and floor 2.
Connector 3 is arranged on body of wall 1 medium position in two rows; Connector 3 sets in a row, can meet floor upper reinforcement 4 and floor lower rebar 5 is welded and fixed demand; Connector 3 uniform stressed in a row, can ensure the structural integrity between body of wall 1 and floor 2.
Often arrange each interconnection 3 spacing in connector 3 identical; Connector 3 is evenly distributed, can uniform stressed, can ensure the structural integrity between body of wall 1 and floor 2.
As shown in figs 1 to 6, Core Walls Structure, utilizes the construction method of above-mentioned Core Walls Structure to construct and obtains, and comprises body of wall 1 and is positioned at the floor 2 of body of wall 1 both sides; Body of wall 1 both sides are respectively equipped with the connector 3 welded with the floor upper reinforcement 4 of floor 2 and floor lower rebar 5.Core Walls Structure is built-in connection 3 in body of wall 1, is welded by floor bar after the shaping sliding formwork of body of wall 1 is sliding with connector 3; Be embedded in body of wall 1 with traditional floor bar by curved muscle, again curved muscle pre-buried in body of wall 1 is dug out during floor 2 to be onstructed compared with the mode connected with floor bar, while guarantee Core Walls Structure intensity, time saving and energy saving, save the engineering time, improve production efficiency, and noiseless and dust pollution.
Connector 3 is made up of dowel 8 and the anchor slab 7 that welds with dowel 8; It is inner that dowel 8 one end is embedded in body of wall 1, and anchor slab 7 is positioned on body of wall 1 outer wall, and the other end welding edges of dowel 8 is on anchor slab 7; The floor upper reinforcement 4 of floor 2 and floor lower rebar 5 and dowel 8 weld; To ensure the bonding strength between body of wall 1 and floor 2, ensure the product quality of Core Walls Structure.
Anchor slab 7 side is dull and stereotyped, and anchor slab 7 opposite side is provided with framework, and the flanging that framework is outwards turned down by dull and stereotyped four limits is formed; After floor 2 is shaping, mixed earth is laid in framework, realizes anchor slab 7, dowel 8 and the reliable and stable connection of floor 2, to ensure the structural integrity between body of wall 1 and floor 2 further.
Dowel 8 one end is be embedded in the crotch in body of wall 1, and the other end of dowel 8 is the interior straight steel bar of welding with anchor slab 7 of framework that anchor slab 7 is stretched in end; It is inner that dowel 8 is that one end of crotch fixedly secures at body of wall 1, and straight steel bar and floor upper reinforcement 4 and floor lower rebar 5 are welded, to ensure the structural integrity between body of wall 1 and floor 2 further.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out, all within protection scope of the present invention.
Claims (10)
1. the construction method of Core Walls Structure, Core Walls Structure comprises body of wall and is positioned at the floor of body of wall both sides, it is characterized in that: detailed process is as follows:
Make connector;
Lay body of wall forming panel, mix earth by body of wall forming panel built-in connection after-pouring in body of wall, after body of wall is shaping, connector is embedded in body of wall inside, and end, connector one end is positioned on body of wall outer wall;
Unload body of wall forming panel, by the floor upper reinforcement of floor and floor lower rebar respectively and be positioned at connector one end welding edges of body of wall outer wall;
Floor upper reinforcement and floor lower rebar lay branch's reinforcing bar respectively, lays floor forming panel;
Then laying mixed earth on the floor forming panel laid and reinforcing bar, after completing the processing of floor, unloads floor forming panel.
2. the construction method of Core Walls Structure as claimed in claim 1, is characterized in that: described connector is made up of dowel and the anchor slab that welds with dowel; Described dowel one end is embedded in body of wall inside, and described anchor slab is positioned on body of wall outer wall, and the other end welding edges of described dowel is on anchor slab.
3. the construction method of Core Walls Structure as claimed in claim 2, is characterized in that: described anchor slab side is for dull and stereotyped, and described anchor slab opposite side is provided with framework, and the flanging that described framework is outwards turned down by dull and stereotyped four limits is formed.
4. the construction method of Core Walls Structure as claimed in claim 3, is characterized in that: described dowel one end is the crotch be embedded in body of wall, the other end of described dowel be end stretch into described anchor slab framework in and the straight steel bar of described anchor slab welding.
5. the construction method of Core Walls Structure as claimed in claim 4, is characterized in that: described dowel is welded on the center of described anchor slab.
6. the construction method of the Core Walls Structure as described in any one of claim 1-5, is characterized in that: described connector is that two rows are arranged on described body of wall medium position.
7. the construction method of Core Walls Structure as claimed in claim 6, is characterized in that: often in row's connector, each interconnection spacing is identical.
8. Core Walls Structure, utilize the construction method of the Core Walls Structure described in any one of claim 1-7 to construct to obtain, comprise body of wall and be positioned at the floor of body of wall both sides, it is characterized in that: described body of wall both sides are respectively equipped with the connector with the floor upper reinforcement of floor and floor bottom reinforcement welding.
9. Core Walls Structure as claimed in claim 8, is characterized in that: described connector is made up of dowel and the anchor slab that welds with dowel; Described dowel one end is embedded in body of wall inside, and described anchor slab is positioned on body of wall outer wall, and the other end welding edges of described dowel is on described anchor slab; The floor upper reinforcement of described floor and floor lower rebar and dowel welding.
10. Core Walls Structure as claimed in claim 9, is characterized in that: described anchor slab side is for dull and stereotyped, and described anchor slab opposite side is provided with framework, and the flanging that described framework is outwards turned down by dull and stereotyped four limits is formed; Described dowel one end is the crotch be embedded in body of wall, the other end of described dowel be end stretch into described anchor slab framework in and the straight steel bar of described anchor slab welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736559.5A CN105239779B (en) | 2015-11-02 | 2015-11-02 | The construction method and Core Walls Structure of Core Walls Structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736559.5A CN105239779B (en) | 2015-11-02 | 2015-11-02 | The construction method and Core Walls Structure of Core Walls Structure |
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| Publication Number | Publication Date |
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| CN105239779A true CN105239779A (en) | 2016-01-13 |
| CN105239779B CN105239779B (en) | 2017-09-05 |
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| CN201510736559.5A Expired - Fee Related CN105239779B (en) | 2015-11-02 | 2015-11-02 | The construction method and Core Walls Structure of Core Walls Structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106407552A (en) * | 2016-09-13 | 2017-02-15 | 同济大学 | Design method for improving anti-collapse ability of RC frame core tube structure |
| CN107246073A (en) * | 2017-06-14 | 2017-10-13 | 中建三局集团有限公司 | Core Walls Structure crossbar structure synchronous construction structure and method |
| CN112663943A (en) * | 2020-12-14 | 2021-04-16 | 广州天行建筑设计事务所有限公司 | Building structure wall construction method |
| CN115162536A (en) * | 2022-06-20 | 2022-10-11 | 中国建筑第八工程局有限公司 | Connecting structure of core tube and floor slab and construction method thereof |
| CN115288304A (en) * | 2022-08-12 | 2022-11-04 | 中国建筑第八工程局有限公司 | Steel waistband structure for connecting cylindrical wall body and floor slab, welding equipment and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141055A (en) * | 1997-11-11 | 1999-05-25 | Kajima Corp | Method of jointing slab reinforcement and beam main reinforcement to core wall |
| CN101024987A (en) * | 2007-02-08 | 2007-08-29 | 广州大学 | Storied-building energ-eliminating shock-damping structure |
| CN201133034Y (en) * | 2007-11-15 | 2008-10-15 | 中铁十二局集团有限公司 | Reinforced bar anchoring structural piece of reinforced concrete structure |
| CN203230046U (en) * | 2013-04-28 | 2013-10-09 | 江苏省华建建设股份有限公司 | Combined embedded part for concrete wall, column and splice bars |
| CN103669878A (en) * | 2013-11-13 | 2014-03-26 | 中天建设集团有限公司 | Method for connecting steel bars of core tube |
| CN103924686A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Connection method of steel plate-concrete composite shear wall and composite floor |
| CN103967277A (en) * | 2014-05-21 | 2014-08-06 | 中国建筑第八工程局有限公司 | Construction method of super-high-rise core tube inclined shear wall |
-
2015
- 2015-11-02 CN CN201510736559.5A patent/CN105239779B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141055A (en) * | 1997-11-11 | 1999-05-25 | Kajima Corp | Method of jointing slab reinforcement and beam main reinforcement to core wall |
| CN101024987A (en) * | 2007-02-08 | 2007-08-29 | 广州大学 | Storied-building energ-eliminating shock-damping structure |
| CN201133034Y (en) * | 2007-11-15 | 2008-10-15 | 中铁十二局集团有限公司 | Reinforced bar anchoring structural piece of reinforced concrete structure |
| CN103924686A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Connection method of steel plate-concrete composite shear wall and composite floor |
| CN203230046U (en) * | 2013-04-28 | 2013-10-09 | 江苏省华建建设股份有限公司 | Combined embedded part for concrete wall, column and splice bars |
| CN103669878A (en) * | 2013-11-13 | 2014-03-26 | 中天建设集团有限公司 | Method for connecting steel bars of core tube |
| CN103967277A (en) * | 2014-05-21 | 2014-08-06 | 中国建筑第八工程局有限公司 | Construction method of super-high-rise core tube inclined shear wall |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106407552A (en) * | 2016-09-13 | 2017-02-15 | 同济大学 | Design method for improving anti-collapse ability of RC frame core tube structure |
| CN106407552B (en) * | 2016-09-13 | 2019-04-02 | 同济大学 | A kind of design method promoting the anti-collapse ability of RC frame core wall structure |
| CN107246073A (en) * | 2017-06-14 | 2017-10-13 | 中建三局集团有限公司 | Core Walls Structure crossbar structure synchronous construction structure and method |
| CN112663943A (en) * | 2020-12-14 | 2021-04-16 | 广州天行建筑设计事务所有限公司 | Building structure wall construction method |
| CN115162536A (en) * | 2022-06-20 | 2022-10-11 | 中国建筑第八工程局有限公司 | Connecting structure of core tube and floor slab and construction method thereof |
| CN115288304A (en) * | 2022-08-12 | 2022-11-04 | 中国建筑第八工程局有限公司 | Steel waistband structure for connecting cylindrical wall body and floor slab, welding equipment and method |
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| CN105239779B (en) | 2017-09-05 |
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Address after: 241006 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 45 North Road Applicant after: HANGXIAO STEEL STRUCTURE (ANHUI) CO.,LTD. Address before: 241006 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 45 North Road Applicant before: ANHUI HANGXIAO STEEL STRUCTURE Co.,Ltd. |
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Granted publication date: 20170905 Termination date: 20211102 |