CN113090064A - Roof panel column head and newly-built structural column folding construction system and construction method thereof - Google Patents
Roof panel column head and newly-built structural column folding construction system and construction method thereof Download PDFInfo
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- CN113090064A CN113090064A CN202110407201.3A CN202110407201A CN113090064A CN 113090064 A CN113090064 A CN 113090064A CN 202110407201 A CN202110407201 A CN 202110407201A CN 113090064 A CN113090064 A CN 113090064A
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- roof
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 239000004567 concrete Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000011376 self-consolidating concrete Substances 0.000 claims abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009415 formwork Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction system for folding a roof panel column head and a newly-built structural column and a construction method thereof, belonging to the technical field of house maintenance and reconstruction. Erecting the template around newly-built structural column, the top of template is the horn mouth form to the top elevation of template is higher than the bottom elevation of roof boarding column cap. And pouring shrinkage-free self-compacting concrete. The shear resistance of the construction joint position can be enhanced by connecting the inserted steel bars with the structural column steel bars. Through setting up the template that the top is the horn mouth form, increaseed the construction machinery operational face, made things convenient for the vibrating rod to transfer. The height of the pouring completion surface is observed through the roof panel reserved observation and the pouring hole in the pouring process, the pouring compactness of the construction joint position is ensured, and the construction quality of the concrete and the structural integrity are effectively improved.
Description
Technical Field
The invention belongs to the technical field of house maintenance and reconstruction, and particularly relates to a roof panel column head and newly-built structural column closure construction system and a construction method thereof.
Background
In the house maintenance and reconstruction process, the structural column and the roof panel of the original structure need to be dismantled and newly built. In the process of dismantling and transforming by a reverse construction method, floor plates are constructed in a reverse construction mode from top to bottom, and structural columns are constructed in a forward construction mode from bottom to top. The new roof construction is carried out after the original structure roof panel and the top layer structural column are dismantled, and at the moment, the top layer structural column cannot be newly built, so that the new roof structure which is constructed and the structural column which is subsequently constructed need to be folded by adopting a reasonable technology.
The conventional way of folding the roof plate and the structural column is as follows: the method comprises the steps of reserving a column head during roof panel construction, enabling the column head to be flush with the bottom of a beam, carrying out lap joint or welding on the column head and a lower reinforcing steel bar after reinforcing steel bars are planted, then erecting a column template to a top closure section, and carrying out concrete pouring after the template is drilled. However, the method has the disadvantages that the concrete can only be poured through the reserved hole channel, the pouring condition of the concrete cannot be observed in the process, and the concrete cannot be vibrated, so that the concrete density does not meet the requirement, and the structural integrity is poor.
Disclosure of Invention
The invention aims to provide a roof panel column head and newly-built structural column folding construction system and a construction method thereof, and aims to solve the technical problems.
Therefore, the invention provides a roof panel column head and a newly-built structural column folding construction system, which comprises a roof panel and a newly-built structural column, wherein a roof panel beam is arranged at the bottom of the roof panel, a roof panel column head is further connected at the joint of the bottom of the roof panel and the roof panel beam, the roof panel column head is positioned right above the newly-built structural column, the elevation of the bottom of the roof panel column head is lower than that of the bottom of the roof panel beam, a template is arranged around the newly-built structural column, the top of the template extends to the obliquely upper part far away from the roof panel column head to form a horn mouth, and the elevation of the top of the template is higher than that of the bottom of the roof.
Preferably, the bottom of the roof panel column head is vertically connected with column head dowel bars, structural column reinforcing steel bars are bound at the top of the newly-built structural column, and the top of the structural column reinforcing steel bars is connected with the column head dowel bars.
Preferably, the stud is inserted into the roof panel stud to a depth equal to the length exposed to the outside.
Preferably, the roof panel is vertically provided with observation and pouring holes in a through manner, and the observation and pouring holes are located around the newly-built structural column.
Preferably, the elevation of the bottom of the roof plate column head is lower than the elevation of the bottom of the roof plate beam by more than 300 mm.
Preferably, the roof plate girders are arranged in a cross shape, and the roof plate column heads are positioned at the cross points of the roof plate girders.
In addition, the invention also provides a construction method of the roof panel column cap and newly-built structural column folding construction system, which comprises the following steps:
firstly, dismantling an original structure roof panel and a top layer structure column;
step two, newly building a roof panel, constructing a roof panel beam and a roof panel column head at the bottom of the roof panel, reserving a construction joint at the bottom of the roof panel column head, and plugging the bottom of a column by using a template;
thirdly, the roof panel is vertically perforated with observation and pouring holes which are positioned around the newly-built structural column;
reserving column head dowel bars at the bottoms of column heads of the roof panels, and connecting the tops of the structural column reinforcing steel bars with the column head dowel bars;
step five, after the roof panel is finished, supporting the roof panel by adopting a temporary support replacing component which is erected in advance;
step six, when the newly-built structural column is constructed to a roof layer, a template is arranged around the newly-built structural column, the top of the template extends to the oblique upper side far away from a roof panel column head to form a horn mouth, the elevation of the top of the template is higher than that of the bottom of the roof panel column head, concrete is poured, and the height of a pouring completion surface is observed through an observation and pouring hole during pouring;
and seventhly, removing the excess concrete after the template is removed to form the beam-column joint.
Preferably, the concrete in the sixth step is C40 non-shrinkage self-compacting concrete.
Preferably, the height of the concrete pouring in the sixth step is 200mm higher than the construction joint.
Compared with the prior art, the invention has the characteristics and beneficial effects that:
(1) according to the construction system for folding the roof panel column head and the newly-built structural column, the roof panel column head is reserved at the position of the intersection of the roof panel beam at the bottom of the roof panel, the dowel bars are reserved at the bottom of the roof panel column head, and the dowel bars are connected with the structural column steel bars. Erecting the template around newly-built structural column, the top of template is the horn mouth form to the top elevation of template is higher than the bottom elevation of roof boarding column cap. And pouring shrinkage-free self-compacting concrete. The shear resistance of the construction joint position can be enhanced by connecting the inserted steel bars with the structural column steel bars. Through setting up the template that the top is the horn mouth form, increaseed the construction machinery operational face, made things convenient for the vibrating rod to transfer. The height of the pouring completion surface is observed through the roof panel reserved observation and the pouring hole in the pouring process, the pouring compactness of the construction joint position is ensured, and the construction quality of the concrete and the structural integrity are effectively improved.
(2) The invention provides a technology for folding a roof panel column head and a newly-built structural column, which can simultaneously carry out construction of a roof panel and the structural column in the process of building transformation, greatly shorten the total time of engineering, ensure the stability and reliability of combination between the roof panel and the structural column and ensure the overall construction quality.
Drawings
Fig. 1 is a schematic construction view of a roof plate stud.
Fig. 2 is a schematic view of the post stud rebar and structural post rebar when the connection is complete.
Fig. 3 is a schematic diagram of the completion of template setting.
Fig. 4 is a schematic view of the arrangement of the observation and perfusion holes.
Fig. 5 is a schematic view when concrete pouring is completed.
Fig. 6 is a schematic diagram of when the excess concrete removal is completed.
The attached drawings are marked as follows: 1-roof panel, 2-newly-built structural column, 3-roof panel column cap, 4-roof panel beam, 5-column cap dowel, 6-structural column reinforcing steel bar, 7-template, 8-observation and pouring hole and 9-beam column joint.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 3, a roof plate column head and newly-built structural column folding construction system includes a roof plate 1 and a newly-built structural column 2, a roof plate beam 4 is arranged at the bottom of the roof plate 1, a roof plate column head 3 is further connected at a connection node of the bottom of the roof plate 1 and the roof plate beam 4, specifically, the roof plate beam 4 is arranged in a cross shape, and the roof plate column head 3 is located at a cross point of the roof plate beam 4. The roof plate column cap 3 is positioned right above the newly-built structural column 2. The bottom elevation of the roof plate column head 3 is lower than that of the roof plate beam 4 by more than 300mm, so that the folding construction of the roof plate column head 3 and the newly-built structural column 2 is facilitated, and meanwhile, a space for lowering the vibrating rod is provided. And a template 7 is arranged around the newly-built structural column 2, the top of the template 7 extends to the oblique upper part far away from the roof plate column head 3 to form a bell mouth, and the elevation of the top of the template 7 is higher than that of the bottom of the roof plate column head 3. The top is the template of horn mouth form and has increaseed the construction machinery operational face, makes things convenient for the vibrating rod to transfer.
The bottom of roof boarding column cap 3 is vertical to be connected with column cap dowel 5, and the top ligature of newly-built structure post 2 has structural column reinforcing bar 6 to the top and the column cap dowel 5 of structural column reinforcing bar 6 are connected, specifically, are overlap joint or welded connection between structural column reinforcing bar 6 and the column cap dowel 5. The depth of the column head dowel bar 5 inserted into the roof panel column head 3 is equal to the length exposed outside.
The roof panel 1 is vertically perforated with observation and pouring holes 8, and the observation and pouring holes 8 are located around the newly-built structural column 2. The height of the pouring completion surface is observed through the observation and pouring hole 8 in the pouring process conveniently.
The construction method of the roof panel column cap and newly-built structural column folding construction system specifically comprises the following steps:
step one, dismantling the original structure roof panel and the top layer structural column.
Step two, as shown in fig. 1, newly building a roof panel 1, constructing a roof panel beam 4 and a roof panel column head 3 at the bottom of the roof panel 1, reserving a construction joint at the bottom of the roof panel column head 3, and plugging the bottom of the roof panel column head 3 by using a template. Based on a steel supporting structure, a full-framing red formwork support is erected on one layer below a top layer, a roof panel and roof beam steel bars are bound on the formwork support, a formwork is erected, and a formwork is reserved at a roof panel column head 3. And after maintenance, molding and demolding, removing the concrete at the bottom of the roof panel column head 3 to form a removing surface.
Step three, as shown in fig. 4, the roof panel 1 is vertically provided with observation and pouring holes 8 in a through manner, and the observation and pouring holes 8 are located around the newly-built structural column 2.
And step four, as shown in fig. 2, reserving column head joint bars 5 at the bottom of the roof plate column head 3, and connecting the tops of the structural column reinforcing steel bars 6 with the column head joint bars 5.
And step five, after the roof panel 1 is finished, supporting the roof panel 1 by adopting a temporary support replacing component which is erected in advance.
Sixthly, as shown in fig. 3, when the newly-built structural column 2 is constructed to a roof layer, a template 7 is arranged around the newly-built structural column 2, the top of the template 7 extends to the oblique upper part far away from the roof panel column head 3 to form a horn mouth, the elevation of the top of the template 7 is higher than that of the bottom of the roof panel column head 3, concrete is poured, and the height of a pouring finish surface is observed through an observation and pouring hole 8 during pouring. When the concrete pouring is completed, it is shown in fig. 5. The concrete is preferably C40 non-shrinkage self-compacting concrete. The height of the concrete after pouring is 200mm higher than that of the construction joint, so that the reduction of the section area of the column cannot be caused when the excess concrete is cut off finally, and the operability of the construction of workers and the controllability of the quality of finished products are enhanced.
And seventhly, removing the excess concrete after the template 7 is removed to form the beam-column joint 9 as shown in fig. 6.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. The utility model provides a roof boarding column cap folds construction system with newly-built structure post which characterized in that: including roof boarding (1) and newly-built structure post (2), the bottom of roof boarding (1) is equipped with roof slab beam (4), the bottom of roof boarding (1), roof slab beam (4) connected node department still are connected with roof boarding column cap (3), roof boarding column cap (3) are located newly-built structure post (2) directly over and the bottom elevation of roof boarding column cap (3) is less than the bottom elevation of roof slab beam (4), be equipped with template (7) around newly-built structure post (2), the top of template (7) extends to the oblique top of keeping away from roof boarding column cap (3) and forms the horn mouth to the top elevation of template (7) is higher than the bottom elevation of roof boarding column cap (3).
2. The roof panel column cap and newly-built structural column closure construction system of claim 1, characterized in that: the bottom vertical connection of roof boarding column cap (3) has column cap dowel steel (5), the top ligature of newly-built structure post (2) has structural column reinforcing bar (6), and the top and column cap dowel steel (5) of structural column reinforcing bar (6) are connected.
3. The roof panel column cap and newly-built structural column closure construction system of claim 2, characterized in that: the depth of the column head dowel bar (5) inserted into the roof panel column head (3) is equal to the length exposed outside.
4. The roof panel column cap and newly-built structural column closure construction system of claim 1, characterized in that: the roof boarding (1) has seted up along vertical link up and has observed and pouring bore (8), observe and pouring bore (8) and be located newly-built structure post (2) all around.
5. The roof panel column cap and newly-built structural column closure construction system of claim 1, characterized in that: the elevation of the bottom of the roof plate column cap (3) is lower than that of the roof plate beam (4) by more than 300 mm.
6. The roof panel column cap and newly-built structural column closure construction system of claim 1, characterized in that: the roof plate girders (4) are arranged in a cross shape, and the roof plate column heads (3) are positioned at the cross points of the roof plate girders (4).
7. A construction method of a roof plate column head and a newly-built structural column closing construction system according to any one of claims 1 to 6, characterized by comprising the following steps:
firstly, dismantling an original structure roof panel and a top layer structure column;
step two, newly building a roof panel (1), constructing a roof panel beam (4) and a roof panel column head (3) at the bottom of the roof panel (1), reserving a construction joint at the bottom of the roof panel column head (3), and plugging the bottom of the column by using a template;
step three, the roof panel (1) is vertically provided with observation and pouring holes (8) in a through mode, and the observation and pouring holes (8) are located on the periphery of the newly-built structural column (2);
reserving column head dowel bars (5) at the bottoms of the column heads (3) of the roof panels, and connecting the tops of the structural column reinforcing steel bars (6) with the column head dowel bars (5);
step five, after the roof panel (1) is finished, supporting the roof panel (1) by adopting a temporary support replacing component which is erected in advance;
step six, when the newly-built structural column (2) is constructed to a roof layer, a template (7) is arranged around the newly-built structural column (2), the top of the template (7) extends to the oblique upper side far away from the roof panel column head (3) to form a horn mouth, the top elevation of the template (7) is higher than the bottom elevation of the roof panel column head (3), concrete is poured, and the height of a pouring completion surface is observed through an observation and pouring hole (8) during pouring;
and seventhly, removing the excess concrete after the template (7) is removed to form the beam-column joint (9).
8. The construction method of the roof panel column cap and newly-built structural column closure construction system according to claim 7, characterized in that: and the concrete in the sixth step is C40 non-shrinkage self-compacting concrete.
9. The construction method of the roof panel column cap and newly-built structural column closure construction system according to claim 7, characterized in that: and in the sixth step, the height of the poured concrete is 200mm higher than the construction joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407201.3A CN113090064A (en) | 2021-04-15 | 2021-04-15 | Roof panel column head and newly-built structural column folding construction system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407201.3A CN113090064A (en) | 2021-04-15 | 2021-04-15 | Roof panel column head and newly-built structural column folding construction system and construction method thereof |
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| CN113090064A true CN113090064A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110407201.3A Pending CN113090064A (en) | 2021-04-15 | 2021-04-15 | Roof panel column head and newly-built structural column folding construction system and construction method thereof |
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| CN (1) | CN113090064A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151197A (en) * | 1994-06-23 | 1997-06-04 | 库科拉有限公司 | Scaffolding assembly |
| CN101280560A (en) * | 2008-05-15 | 2008-10-08 | 广州市建筑集团有限公司 | Lattice pillar component and mounting method thereof |
| US20110289862A1 (en) * | 2009-02-09 | 2011-12-01 | 3L-Innogenie Inc. | Construction system and method for multi-floor buildings |
| CN103790379A (en) * | 2014-01-17 | 2014-05-14 | 上海建工二建集团有限公司 | Method for constructing connection joint between flat slab and post cap in reverse construction method |
| CN105839940A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall crack strengthened reinforcement structure made of epoxy resin slurry |
| CN105839850A (en) * | 2016-03-25 | 2016-08-10 | 温州建设集团有限公司 | Basement reverse-construction scape post-casting pre-stressed construction method |
| US9441371B1 (en) * | 2012-09-14 | 2016-09-13 | Daniel J. Harkins | Building insulation system |
-
2021
- 2021-04-15 CN CN202110407201.3A patent/CN113090064A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151197A (en) * | 1994-06-23 | 1997-06-04 | 库科拉有限公司 | Scaffolding assembly |
| CN101280560A (en) * | 2008-05-15 | 2008-10-08 | 广州市建筑集团有限公司 | Lattice pillar component and mounting method thereof |
| US20110289862A1 (en) * | 2009-02-09 | 2011-12-01 | 3L-Innogenie Inc. | Construction system and method for multi-floor buildings |
| US9441371B1 (en) * | 2012-09-14 | 2016-09-13 | Daniel J. Harkins | Building insulation system |
| CN103790379A (en) * | 2014-01-17 | 2014-05-14 | 上海建工二建集团有限公司 | Method for constructing connection joint between flat slab and post cap in reverse construction method |
| CN105839850A (en) * | 2016-03-25 | 2016-08-10 | 温州建设集团有限公司 | Basement reverse-construction scape post-casting pre-stressed construction method |
| CN105839940A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall crack strengthened reinforcement structure made of epoxy resin slurry |
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Application publication date: 20210709 |
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