CN108425453B - Construction method of construction joint reserved structure - Google Patents
Construction method of construction joint reserved structure Download PDFInfo
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- CN108425453B CN108425453B CN201810189705.0A CN201810189705A CN108425453B CN 108425453 B CN108425453 B CN 108425453B CN 201810189705 A CN201810189705 A CN 201810189705A CN 108425453 B CN108425453 B CN 108425453B
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- ladder
- fixing frame
- shaped fixing
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- construction joint
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges
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- Architecture (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Floor Finish (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a construction method of a construction joint reserving structure, which is characterized in that a ladder-shaped fixing frame is directly arranged between a slab bottom reinforcing steel bar and a water stop reinforcing steel bar at a construction joint, a steel plate net is fixedly covered on the whole surface of the ladder-shaped fixing frame, and a customized aluminum alloy square pipe component is adopted as a hanging formwork on the upper surface of concrete, so that the concrete at the construction joint is regularly and straightly formed, the concrete leaked from a gap at a closing opening is easy to clean, the construction operation is simple, labor and time are saved, the quality requirement of the concrete pouring of the construction joint is ensured, the difficulty of the construction joint treatment is greatly reduced, and the construction hidden danger of water seepage of the construction joint is indirectly avoided.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of a construction joint reserved structure.
Background
At present, two construction joint reserving schemes mainly exist in the concrete construction of a bottom plate of a building engineering structure, a horizontal construction joint of a floor slab and a vertical construction joint of a shear wall. One is to use double-layer steel wire net to bind and fix on the column reinforcement to separate the construction joint interface. According to the treatment scheme, the binding strength of the steel wire and the column rib is insufficient, the interface is in a V shape during concrete construction, the retained surface is rough, uneven and irregular, the treatment of the construction joint of the concrete secondary construction is not facilitated, and the treatment difficulty of the construction joint concrete is increased; and the other method is to adopt the template installation construction to carry out the plugging setting of the construction joint and separate the construction joint interface. This scheme need set up the even preformed hole that sets up of interval according to the reinforcing bar in advance on the template to the reinforcing bar passes the template, better installation that carries out the template. The formwork of the scheme has high installation and construction difficulty and slow operation.
In view of the current construction technical situation, the traditional concrete construction joint reserving structure is adopted, the concrete construction quality requirements of the construction joint interface are difficult to meet, and the construction joint positions at the bottom plate and the outer wall possibly have serious water seepage hidden troubles.
Therefore, how to search for a new concrete construction joint reserving structure has become a direction of research for those skilled in the art.
Disclosure of Invention
Aiming at the existing problems, the invention discloses a construction joint reserving structure which is arranged at a construction joint of a concrete structure, wherein the construction joint reserving structure comprises a first ladder-shaped fixing frame, a second ladder-shaped fixing frame and a water stop steel plate;
the first ladder-shaped fixing frame and the second ladder-shaped fixing frame are respectively fixed on the upper surface and the lower surface of the water stop steel plate and correspond to each other up and down, and the first ladder-shaped fixing frame and the second ladder-shaped fixing frame are perpendicular to the water stop steel plate;
and the first ladder-shaped fixing frame and the second ladder-shaped fixing frame are both provided with steel plate nets.
The construction joint reserving structure is characterized in that the first ladder-shaped fixing frame and the second ladder-shaped fixing frame respectively comprise 2 main keels which are parallel up and down and secondary keels which are positioned between the 2 main keels and are fixedly connected with the 2 main keels;
the bottom of the construction joint is provided with a plate bottom steel bar, and the top of the construction joint is provided with a plate surface steel bar;
the main keel positioned below the first ladder-shaped fixing frame is welded on the plate bottom reinforcing steel bar, and the main keel positioned above the first ladder-shaped fixing frame is welded on the lower surface of the water stop steel plate; the main joist that the trapezoidal mount of second is located the below weld in the upper surface of stagnant water steel sheet, the main joist that the trapezoidal mount of second is located the top weld in on the face reinforcing bar.
The structure is set up to foretell construction joint, wherein, the main joist with the secondary joist is the reinforcing bar.
The structure is set aside to foretell construction joint, wherein, install aluminum alloy square pipe on the face reinforcing bar and hang the mould.
The structure is established to foretell construction joint, wherein, the ladder-shaped mount of second is located the main joist of top and stagnant water steel sheet both sides all are provided with fixed muscle.
The structure is set aside to foretell construction joint, wherein, the steel sheet net with first ladder form mount with the ladder form mount of second all adopts the ligature of burning with fire silk.
The invention also discloses a construction method of the construction joint reserved structure, wherein the construction method comprises the following steps:
step S1, providing a first ladder-shaped fixing frame and a second ladder-shaped fixing frame, and uniformly distributing steel plate nets on the first ladder-shaped fixing frame and the second ladder-shaped fixing frame;
step S2, mounting slab bottom steel bars at the bottom of the construction joint;
step S3, vertically mounting the first ladder-shaped fixing frame on the plate bottom steel bar;
step S4, installing a water stop steel plate, and vertically welding the first ladder-shaped fixing frame and the water stop steel plate together;
step S5, the second ladder-shaped fixing frame is vertically welded to the upper surface of the water stop steel plate, and the second ladder-shaped fixing frame and the first ladder-shaped fixing frame correspond to each other up and down.
And step S6, mounting plate surface steel bars on the second ladder-shaped fixing frame.
The construction method of the construction joint setting structure comprises the following steps:
and S7, installing an aluminum alloy square pipe hanging die on the plate reinforcing steel bars, and binding and fixing the aluminum alloy square pipe hanging die and the plate reinforcing steel bars.
The construction method of the construction joint setting structure includes the following steps:
step S11, providing 2 groups of ladder-shaped fixing frame materials, wherein each group of ladder-shaped fixing frame materials comprises 2 main keels and a plurality of secondary keels;
step S12, welding a plurality of secondary keels of the 2 groups of ladder-shaped fixing frame materials among 2 main keels to respectively form the first ladder-shaped fixing frame and the second ladder-shaped fixing frame;
and step S13, respectively laying steel plate nets on the first ladder-shaped fixing frame and the second ladder-shaped fixing frame.
In the construction method for a construction joint setting structure, in step S5, after the step of vertically welding the second ladder-shaped fixing frame to the upper surface of the water stop steel plate, the method further includes a step of installing a fixing rib between the main keel above the second ladder-shaped fixing frame and two sides of the water stop steel plate.
The invention has the following advantages or beneficial effects:
the invention discloses a construction joint reserving structure and a construction method thereof.A ladder-shaped fixing frame is directly arranged between a plate bottom reinforcing steel bar and a water stop reinforcing steel bar at a construction joint, a steel plate net is fixedly covered on the whole surface of the ladder-shaped fixing frame, and a customized aluminum alloy square pipe component is adopted as a hanging die on the upper surface of concrete, so that the concrete at the construction joint is regular and straight in forming, the concrete leaked from a gap at a closing opening is easy to clean, the construction operation is simple, the labor and the time are saved, the quality requirement of the concrete pouring of the construction joint is ensured, the difficulty of the construction joint treatment is greatly reduced, and the construction hidden danger of the water seepage of the construction joint is indirectly avoided.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a cross-sectional view of a construction joint having a construction joint retention structure in an embodiment of the present invention;
FIG. 2 is a side view of the construction joint retention structure of FIG. 1;
FIG. 3 is a view illustrating the processing of the ladder-shaped fixing frame according to the embodiment of the present invention;
FIG. 4 is a plan view of a steel mesh in an embodiment of the present invention;
FIG. 5 is a flow chart of a construction method of a construction joint setting structure according to an embodiment of the present invention;
Detailed Description
The invention will be further described with reference to the following drawings and specific examples, which are not intended to limit the invention thereto.
Example one
As shown in fig. 1 to 4, the present embodiment discloses a construction joint retaining structure, which is disposed at a construction joint of a concrete structure, where the construction joint of the concrete structure may be a concrete floor, a floor horizontal construction joint, and a shear wall vertical construction joint; specifically, the construction joint reserving structure comprises a first ladder-shaped fixing frame 2, a second ladder-shaped fixing frame 4 and a water stop steel plate 3; the first ladder-shaped fixing frame 2 and the second ladder-shaped fixing frame 4 are respectively fixed on the upper surface and the lower surface of the water stop steel plate 3 and correspond to each other up and down, and the first ladder-shaped fixing frame 2 and the second ladder-shaped fixing frame 4 are perpendicular to the water stop steel plate 3; all be provided with the steel sheet net on this first ladder form mount 2 and the second ladder form mount 4 (in this embodiment whole face is fixed to be covered with steel sheet net 21 on first ladder form mount 2, and whole face is fixed to be covered with steel sheet net 41 on the second ladder form mount 4).
Specifically, as shown in fig. 1-3, the first ladder-shaped fixing frame 2 and the second ladder-shaped fixing frame 4 both include 2 main keels parallel to each other in the vertical direction and a secondary keel located between the 2 main keels and fixedly connected to the 2 main keels; the bottom of the construction joint is provided with a plate bottom steel bar 1, and the top of the construction joint is provided with a plate surface steel bar 6; the main keel of the first ladder-shaped fixing frame 2 positioned at the lower part is welded on the plate bottom steel bar 1, and the main keel of the first ladder-shaped fixing frame 2 positioned at the upper part is welded on the lower surface of the water stop steel plate 3; the main joist that the ladder-shaped mount of second 4 lies in the below welds in the upper surface of stagnant water steel sheet 3, and the main joist that the ladder-shaped mount of second 4 lies in the top welds on face reinforcing bar 6.
Preferably, above-mentioned main joist and secondary joist are the reinforcing bar, and is concrete, and the diameter of reinforcing bar is phi 10, as shown in fig. 3, the interval d of 2 main joists of first ladder form mount 2 confirms the setting according to the distance of slab bottom reinforcing bar 1 to stagnant water steel sheet 3, and the interval d of 2 main joists of second ladder form mount 4 confirms the setting according to the distance of stagnant water steel sheet 3 to face reinforcing bar 6, and adjacent secondary joist sets up according to interval 300mm, and secondary joist is two to carry out welded fastening with the main joist.
Preferably, the plate surface reinforcing steel bar 6 is provided with an aluminum alloy square pipe hanging die 7.
Preferably, the main joist that above-mentioned trapezoidal mount 4 of second is located the top and 3 both sides of stagnant water steel sheet all are provided with fixed muscle 5, and this fixed muscle 5 is mainly in order to ensure that trapezoidal mount 4 of second is perpendicular, avoids vertical slope, and on the main joist that is located the top of the trapezoidal mount 4 of second was fixed in on 5 upper portions of fixed muscle, the left and right sides was according to interval 2000mm dislocation arrangement.
Preferably, the steel plate net, the first ladder-shaped fixing frame 2 and the second ladder-shaped fixing frame 4 are bound by fire wires.
Example two
As shown in fig. 5, the invention also discloses a construction method of the construction joint reserved structure, and specifically, the construction method comprises the following steps:
step S1, providing a first ladder-shaped fixing frame and a second ladder-shaped fixing frame, and uniformly arranging steel plate nets on the first ladder-shaped fixing frame and the second ladder-shaped fixing frame.
Specifically, step S1 is specifically:
step S11, providing 2 groups of ladder-shaped fixing frame materials, such as steel bars with a diameter of Φ 10, where each group of ladder-shaped fixing frame materials includes 2 main keels and several secondary keels.
Step S12, the processing of ladder form mount is carried out, the interval d of 2 main joist of first ladder form mount is according to the distance of bottom of the board reinforcing bar to stagnant water steel sheet and is confirmed to set up, the interval of 2 main joist of the ladder form mount of second is according to the distance of stagnant water steel sheet to face reinforcing bar and is confirmed to set up, the secondary joist sets up according to interval 300mm to the secondary joist is two to carry out welded fastening with the main joist and is in order to form first ladder form mount and the ladder form mount of second respectively.
Step S13, steel plate nets are respectively arranged on one side of the first ladder-shaped fixing frame and the second ladder-shaped fixing frame, the steel plate nets and the ladder-shaped fixing frames are bound and connected through 22# fire wires, the two sides of the steel plate nets are fixed firstly, then the middle of the steel plate nets is fixed, the joint of the two steel plate nets needs to be overlapped by 50mm, the overlap joint area is reinforced and bound through the fire wires, and preferably, the steel plate nets are arranged on the first ladder-shaped fixing frame and the second ladder-shaped fixing frame on the whole surface.
And step S2, installing slab bottom steel bars at the bottom of the construction joints according to design requirements and relevant specification requirements.
And step S3, vertically welding the first ladder-shaped fixing frame integral component with the steel plate net on the plate bottom steel bars, and ensuring the welding to be firm.
Step S4, welding construction of the water stop steel plate is carried out according to the standard requirement, and the first ladder-shaped fixing frame and the bottom surface of the water stop steel plate are vertically welded and fixed; when first ladder form mount and stagnant water steel sheet welding, need to pay attention to control current to avoid welding the stagnant water steel sheet and wear.
Step S5, vertically welding a second ladder-shaped fixing frame with a steel plate net on the upper surface of the water stop steel plate, wherein the second ladder-shaped fixing frame is vertically corresponding to the first ladder-shaped fixing frame, and fixing ribs are respectively arranged between the main keel above the second ladder-shaped fixing frame and two sides of the water stop steel plate for welding and fixing; when the second ladder-shaped fixing frame is welded with the water stop steel plate, attention needs to be paid to control current so as to avoid welding the water stop steel plate through. .
And step S6, installing plate surface steel bars on the second ladder-shaped fixing frame according to design requirements and relevant specification requirements.
And S7, measuring elevation, positioning a board elevation line, installing an aluminum alloy square pipe hanging die on the board steel bar, arranging an elevation control cushion block at the bottom of the hanging die, and binding and fixing the aluminum alloy square pipe hanging die and the board steel bar.
It should be understood that the present embodiment is a method embodiment corresponding to the above-mentioned construction joint retaining structure, and the present embodiment can be implemented in cooperation with the above-mentioned construction joint retaining structure. The related technical details mentioned in the above embodiment of the construction joint setting structure are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the above-mentioned embodiments of the construction joint setting structure.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (3)
1. A construction method of a construction joint reserved structure is characterized by comprising the following steps:
step S1, providing a first ladder-shaped fixing frame and a second ladder-shaped fixing frame, and uniformly distributing steel plate nets on the first ladder-shaped fixing frame and the second ladder-shaped fixing frame;
step S2, mounting slab bottom steel bars at the bottom of the construction joint;
step S3, vertically mounting the first ladder-shaped fixing frame on the plate bottom steel bar;
step S4, installing a water stop steel plate, and vertically welding the first ladder-shaped fixing frame and the water stop steel plate together;
step S5, vertically welding the second ladder-shaped fixing frame to the upper surface of the water stop steel plate, wherein the second ladder-shaped fixing frame and the first ladder-shaped fixing frame correspond to each other up and down;
step S6, installing plate surface steel bars on the second ladder-shaped fixing frame;
and S7, installing an aluminum alloy square pipe hanging die on the plate reinforcing steel bars, and binding and fixing the aluminum alloy square pipe hanging die and the plate reinforcing steel bars.
2. The construction method of a construction joint retention structure according to claim 1, wherein the step S1 specifically comprises:
step S11, providing 2 groups of ladder-shaped fixing frame materials, wherein each group of ladder-shaped fixing frame materials comprises 2 main keels and a plurality of secondary keels;
step S12, welding a plurality of secondary keels of the 2 groups of ladder-shaped fixing frame materials among 2 main keels to respectively form the first ladder-shaped fixing frame and the second ladder-shaped fixing frame;
and step S13, respectively laying steel plate nets on the first ladder-shaped fixing frame and the second ladder-shaped fixing frame.
3. A construction method for a construction joint retention structure as defined in claim 2, wherein in step S5, after the step of vertically welding the second ladder-shaped fixing frame to the upper surface of the water stop steel plate, a step of installing fixing ribs between the main keel above the second ladder-shaped fixing frame and both sides of the water stop steel plate is further included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189705.0A CN108425453B (en) | 2018-03-08 | 2018-03-08 | Construction method of construction joint reserved structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189705.0A CN108425453B (en) | 2018-03-08 | 2018-03-08 | Construction method of construction joint reserved structure |
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| CN108425453A CN108425453A (en) | 2018-08-21 |
| CN108425453B true CN108425453B (en) | 2020-08-25 |
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| CN202148608U (en) * | 2011-06-03 | 2012-02-22 | 中国建筑第六工程局有限公司 | Fast-easy closing-up net construction installation structure of bottom board construction seam |
| CN202483061U (en) * | 2011-12-19 | 2012-10-10 | 中国华冶科工集团有限公司 | Post-cast strip supporting formwork |
| CN102635128B (en) * | 2012-04-27 | 2014-09-03 | 天津二十冶建设有限公司 | Foundation slab post-cast strip waterproof steel plate combined structure and bracing method thereof |
| CN203440837U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Concrete closing net device for construction joint of base plate |
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