CN216787229U - Basement outer wall post-cast strip assembled shutoff steel sheet structure - Google Patents
Basement outer wall post-cast strip assembled shutoff steel sheet structure Download PDFInfo
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- CN216787229U CN216787229U CN202122675879.8U CN202122675879U CN216787229U CN 216787229 U CN216787229 U CN 216787229U CN 202122675879 U CN202122675879 U CN 202122675879U CN 216787229 U CN216787229 U CN 216787229U
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Abstract
The utility model discloses a basement exterior wall post-cast strip assembled type plugging steel plate structure, which comprises: the basement outer wall body is arranged on an indoor inner wall surface and an outdoor outer wall surface, a post-cast strip is preset on the basement outer wall body, and pre-embedded steel bars are arranged in the post-cast strip; the inner template supporting device is fixedly arranged on the inner wall surface and provided with a first plugging surface which plugs the inner wall surface of the post-pouring belt; the plugging steel plate is arranged on the outer wall surface and provided with a second plugging surface, the second plugging surface plugs the outer wall surface of the post-cast strip, a connecting nut and a steel bar pulling hook are arranged on the second plugging surface, and the steel bar pulling hook is hooked on the embedded steel bar; and one end of the first waterproof screw rod is fixedly connected with the inner template supporting device, and the other end of the first waterproof screw rod is connected with the connecting nut.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to an assembled type sealing steel plate structure of a post-cast strip of an outer wall of a basement.
Background
At present, the building industry develops increasingly, large buildings are more and more, some ultra-long building structures exist, in order to solve the problem of uneven settlement caused by temperature cracks of concrete structures and building height, a basement is provided with a temperature post-pouring zone and a settlement post-pouring zone, pouring time of the temperature post-pouring zone is preferably carried out 45 days after pouring of concrete on two sides is completed (from JGJ3-2010 high-rise building concrete structure technical specification), and the pouring zone after settlement of the outer wall of the basement generally needs to be poured after a main body structure is completed for 2 months, so that backfill of the side wall of the basement is greatly delayed, installation of an external scaffold and a construction elevator of an overground high-rise main body is affected, a material yard around the main building cannot be used in time, and outdoor engineering is inserted in advance, so that construction schedule of the whole engineering is affected; meanwhile, the foundation pit cannot be backfilled in time, and long-term foundation pit safety risk exists, so that the outer wall post-cast strip plugging is of great importance to the schedule arrangement and production safety of the whole project.
In the existing technical scheme, the sealing is generally realized by building mortar bricks or sealing by a precast concrete cover plate. The construction process of the process method is complex, the construction period is long, a large amount of manual and mechanical assistance needs to be input, and the process is easy to collapse or generate cracks under the influence of the lateral pressure of the earthwork, so that the isolation and sealing effect is poor; after the post-cast strip reaches the set time for pouring concrete, the installation and the reinforcement of the inner side template are difficult, the time consumption is long, the labor investment is large, and the conditions of poor forming effect, even mold expansion and mold explosion easily occur in the concrete pouring project.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an assembled type blocking steel plate structure of a post-cast strip of an outer wall of a basement, which can solve at least one of the problems.
According to the utility model, the assembled type blocking steel plate structure of the post-cast strip of the outer wall of the basement comprises the following components:
the basement outer wall body is arranged on an indoor inner wall surface and an outdoor outer wall surface, a post-cast strip is preset on the basement outer wall body, and pre-embedded steel bars are arranged in the post-cast strip;
the inner formwork supporting device is fixedly arranged on the inner wall surface and is provided with a first plugging surface, and the first plugging surface plugs the inner wall surface of the post-cast strip;
the plugging steel plate is arranged on the outer wall surface and provided with a second plugging surface, the second plugging surface plugs the outer wall surface of the post-cast strip, a connecting nut and a steel bar drag hook are arranged on the second plugging surface, and the steel bar drag hook is hooked on the embedded steel bar;
and one end of the first waterproof screw rod is fixedly connected with the inner template supporting device, and the other end of the first waterproof screw rod is connected with the connecting nut.
According to the basement outer wall post-cast strip assembled type blocking steel plate structure provided by the embodiment of the utility model, the structure at least has the following beneficial effects:
1. the post-pouring belt adopts a method of combining and reinforcing the plugging steel plate and the inner template supporting device, solves the problem of reinforcing the plugging steel plate, and has the advantages of simple operation, time and labor saving, firm reinforcement and good forming effect.
2. The outer side of the post-cast strip is blocked by adopting a blocking steel plate, the defects of the traditional construction method are overcome, and the post-cast strip is simple to manufacture and can be customized in a factory; the assembly speed is high, and the construction period is shortened; the compressive strength of the steel plate is high.
3. After the outer side plugging of the post-cast strip is completed, construction can be carried out on the outer side of the outer wall body of the basement, and pouring of the subsequent post-cast strip cannot be influenced, so that the backfilling time of the side wall of the basement is greatly shortened, the construction progress is accelerated, the time for exposing a foundation pit is shortened, and the construction risk is reduced.
According to some embodiments of the utility model, a water stop strip is arranged between the second blocking surface and the outer wall surface, the water stop strip is arranged at the junction of the outer wall body of the basement and the post-pouring strip, the water stop strip is covered on the junction line of the outer wall body of the basement and the post-pouring strip, and the water stop strip is arranged along the boundary line of the outer wall body of the basement and the post-pouring strip.
According to some embodiments of the utility model, the outer surface of the blocking steel plate is provided with a waterproof layer.
According to some embodiments of the utility model, an anti-seepage sealing layer is arranged between the plugging steel plate and the waterproof layer, the anti-seepage sealing layer is arranged on both sides of the plugging steel plate, and the anti-seepage sealing layer is arranged along the side edge of the plugging steel plate.
According to some embodiments of the utility model, the outer surface of the waterproof layer is provided with a waterproof protective layer.
According to some embodiments of the utility model, the inner formwork supporting device comprises a formwork, a wood beam, a steel pipe and a second waterproof screw rod, the second waterproof screw rod is embedded in the basement outer wall body, the inner surface of the formwork is provided with the first plugging surface, the formwork covers the inner wall surface, the wood beam is pressed on the outer surface of the formwork, and the steel pipe is pressed on the wood beam and fixed through the second waterproof screw rod.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a cross-sectional view of an assembled block steel plate structure of a post-cast strip of an outer wall of a basement according to an embodiment of the utility model;
FIG. 2 is a schematic inside view of an assembled blocking steel plate structure of a post-cast strip of an outer wall of a basement according to an embodiment of the utility model;
FIG. 3 is a schematic outer side view of an assembled type blocking steel plate structure of a post-cast strip of an outer wall of a basement according to an embodiment of the utility model;
FIG. 4 is a schematic front view of a plugging steel plate;
fig. 5 is a plan view of the plugging steel plate.
Reference numerals:
100. an outer wall body of the basement; 110. post-pouring a belt; 120. embedding reinforcing steel bars;
200. an inner formwork support means; 210. a template; 220. wood purlin; 230. a steel pipe; 240. a second waterproof lead screw;
300. plugging a steel plate; 301. welding seams of steel plates; 310. a connecting nut; 320. a steel bar draw hook;
400. a first waterproof lead screw;
500. a water stop;
600. a waterproof layer;
700. an impermeable edge sealing layer;
800. a waterproof protective layer;
900. and (7) a backfill layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 5, an assembled blocking steel plate structure for a post-cast strip of an outer wall of a basement according to an embodiment of the utility model includes:
the basement outer wall body 100 is characterized in that the basement outer wall body 100 is specifically arranged on an indoor inner wall surface and an outdoor outer wall surface, a post-cast strip 110 is preset on the basement outer wall body 100, and pre-embedded steel bars 120 are arranged in the post-cast strip 110;
the inner formwork supporting device 200 is fixedly arranged on the inner wall surface, the inner formwork supporting device 200 is provided with a first plugging surface, and the first plugging surface plugs the inner wall surface of the post-cast strip 110;
the plugging steel plate 300 is arranged on the outer wall surface, the plugging steel plate 300 is provided with a second plugging surface, the second plugging surface plugs the outer wall surface of the post-cast strip 110, a connecting nut 310 and a steel bar draw hook 320 are arranged on the second plugging surface, and the steel bar draw hook 320 is hooked on the embedded steel bar 120;
and one end of the first waterproof lead screw 400 is fixedly connected with the inner formwork support device 200, and the other end of the first waterproof lead screw 400 is connected with the connecting nut 310.
In the construction process, pour outer wall 100 of basement earlier, the one side that outer wall 100 of basement faced the basement is interior wall, and the outdoor one side of orientation is outer wall face.
After the basement outer wall body 100 is poured, the inner formwork supporting device 200 is fixed, the inner formwork supporting device 200 is arranged on the inner wall surface, and the first plugging surface of the inner formwork supporting device 200 plugs the inner wall surface of the post-cast strip 110. The inner formwork supporting device 200 is arranged indoors in a basement, the specific structure can be adjusted greatly, and after construction is completed, the inner formwork supporting device 200 can be detached.
The inner formwork support device 200 functions as: 1. and a connecting and supporting function is provided for the subsequent installation of the plugging steel plate 300. 2. The inner wall surface of the post-cast strip 110 is plugged through the first plugging surface, the inner side and the outer side of the post-cast strip 110 are plugged by matching with the subsequent plugging steel plate 300, an isolation area is formed, foreign objects are prevented from entering the post-cast strip 110, normal operation of other construction is guaranteed, and meanwhile concrete is conveniently poured in the post-cast strip 110 subsequently. Wherein the inner formwork support means 200 can be removed after the concrete cast in the post-cast strip 110 is set.
As shown in fig. 4 and 5, the plugging steel plate 300 is prefabricated in a factory according to the construction specifications. Specifically, the required plugging steel plate 300 is cut according to 1000mm x D (post-cast strip width) +200mm (reserved width), the cut is polished to be flat, the thickness of the steel plate is determined according to the depth of a backfill soil layer 900 through calculation, when the depth of backfill soil is not more than 5m, the steel plate with the thickness of 8mm-12mm is generally adopted, and when the depth of backfill soil is 5m-10m, the steel plate with the thickness of 16mm-20mm is generally adopted.
Each plugging steel plate 300 is welded on a second plugging surface plug of the plugging steel plate 300 by adopting 4 phi 10 steel bar draw hooks 320 as a fixing measure when the plugging steel plates 300 are assembled, the thickness of an inner side steel bar protection layer is deducted from the thickness of the outer wall 100 of the basement by the steel bar draw hooks 320, and the horizontal and vertical distances between welding points of the steel bar draw hooks 320 and the edges of the steel plate are 300 x 200 mm.
1 row (2) of connecting nuts 310 are welded at the central line of each plugging steel plate 300, M12 sleeve nuts (the length of each sleeve is not less than 30mm) are selected for the connecting nuts 310, when the width of the post-cast strip exceeds 1200mm, the number of rows of the sleeve nuts is increased, the sleeve nuts are used as connecting pieces for mounting the first waterproof screw rod 400 at the later stage, and the horizontal and vertical distances from the welding points of the nuts to the edges of the steel plates are 500 x 200 mm.
The plugging steel plate 300 may be a single block or may be composed of a plurality of units, and is assembled together during installation.
In this embodiment, the plugging steel plate 300 is composed of a plurality of splicing steel plate units, so that the overall weight can be reduced, and the construction is facilitated. When the plugging steel plate 300 is installed, the plugging steel plate 300 hooks the embedded steel bar 120 arranged in the post-cast strip 110 by using the steel bar draw hook 320, and is firmly bound or welded. The horizontal joints of the two spliced steel plate units are fully welded, and the surfaces of the steel plate welding seams 301 are polished to be smooth.
The sealing steel plate 300 needs to ensure complete sealing of the outer side of the post-cast strip 110, so that backfill operation can be performed on the outer side of the post-cast strip 110, and normal operation of other construction is ensured, so as to achieve the purpose of accelerating the construction process. And foreign objects (groundwater, unset concrete, etc.) do not enter the post-cast strip 110 from the plugging site after the backfilling operation is completed.
In some embodiments of the present invention, a water stop strip 500 is disposed between the second blocking surface and the outer wall surface, the water stop strips 500 are disposed at the junctions between the outer wall 100 of the basement and the post-pouring strip 110, the water stop strips 500 are covered on the junctions between the outer wall 100 of the basement and the post-pouring strip 110, and the water stop strips 500 are disposed along the junctions between the outer wall 100 of the basement and the post-pouring strip 110.
In the pouring process of the basement outer wall 100, the water stop strip 500 is pre-buried at the junction of the basement outer wall 100 and the post-pouring strip 110, so that the bonding performance between the subsequent plugging steel plate 300 and the basement outer wall 100 is improved, the waterproof performance between the second plugging surface and the post-pouring strip 110 is improved, and underground water is prevented from permeating into the post-pouring strip 110 from the junction of the basement outer wall 100 and the post-pouring strip 110.
In some embodiments of the present invention, the outer surface of the plugging steel plate 300 is provided with a waterproof layer 600. The waterproof layer 600 is provided on the outer surface of the blocking steel plate 300. In addition, the waterproof layer 600 is disposed on the outer wall surface of the entire basement outer wall 100. Because of the existence of the sealing steel plate 300, the waterproof continuity and integrity of the outer wall body 100 of the basement can be ensured, the risk of outer wall leakage is reduced, a waterproof protective layer, backfill soil, outdoor engineering and the like can be inserted into the construction in advance, and the construction progress is greatly accelerated.
In some embodiments of the present invention, an anti-seepage edge sealing layer 700 is disposed between the plugging steel plate 300 and the waterproof layer 600, the anti-seepage edge sealing layers 700 are disposed on both sides of the plugging steel plate 300, and the anti-seepage edge sealing layers 700 are disposed along the side edges of the plugging steel plate 300.
After the plugging steel plate 300 is assembled, the two sides of the plugging steel plate 300 are provided with the anti-seepage edge sealing layers 700, the anti-seepage edge sealing layers 700 are filled with epoxy resin cement to form chamfers of 45-60 degrees, and the filling is required to be compact so as to increase the waterproof sealing performance of the joints.
In some embodiments of the present invention, waterproof layer 600 is provided with waterproof protective layer 800 on an outer surface thereof. Through being equipped with waterproof layer 800 at the surface that sets up waterproof layer 600, for waterproof layer 600 provides the protection, improve waterproof layer 600's life.
In some embodiments of the present invention, the inner formwork supporting device 200 includes a formwork 210, a wood beam 220, a steel pipe 230, and a second waterproof screw 240, the second waterproof screw 240 is pre-embedded in the outer wall 100 of the basement, the inner surface of the formwork 210 is provided with a first blocking surface, the formwork 210 covers the inner wall surface, the wood beam 220 is press-fitted on the outer surface of the formwork 210, and the steel pipe 230 is press-fitted on the wood beam 220 and is fixed by the second waterproof screw 240.
After the post-cast strip 110 reaches the casting condition, chiseling, cleaning and interface processing are firstly carried out on the joint of the originally cast concrete on the two sides, and reinforcing steel bar protective layer cushion blocks are arranged on the reinforcing steel bars in the inner row of the post-cast strip 110;
the inner side of the post-cast strip 110 is sealed by a template 210 and is reinforced by wood purlin 220 and a steel pipe 230; and then, a second waterproof screw rod 240 is reserved in the basement outer wall body 100, and the rear template 210 is fastened to be tightly attached to the inner wall surface of the basement outer wall body 100. The form 210 is pressed tightly against the interior wall surface.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a basement outer wall post-cast strip assembled shutoff steel sheet structure which characterized in that includes:
the basement outer wall body is arranged on an indoor inner wall surface and an outdoor outer wall surface, a post-cast strip is preset on the basement outer wall body, and pre-embedded steel bars are arranged in the post-cast strip;
the inner formwork supporting device is fixedly arranged on the inner wall surface and is provided with a first plugging surface, and the first plugging surface plugs the inner wall surface of the post-cast strip;
the plugging steel plate is arranged on the outer wall surface and provided with a second plugging surface, the second plugging surface plugs the outer wall surface of the post-cast strip, a connecting nut and a steel bar drag hook are arranged on the second plugging surface, and the steel bar drag hook is hooked on the embedded steel bar;
and one end of the first waterproof screw rod is fixedly connected with the inner template supporting device, and the other end of the first waterproof screw rod is connected with the connecting nut.
2. The basement exterior wall post-cast strip assembled block steel plate structure of claim 1, characterized in that: and a water stop belt is arranged between the second plugging surface and the outer wall surface, the water stop belt is arranged at the junction of the outer wall body of the basement and the post-pouring belt, the water stop belt cover is arranged on the junction line of the outer wall body of the basement and the post-pouring belt, and the water stop belt is arranged along the boundary line of the outer wall body of the basement and the post-pouring belt.
3. The basement exterior wall post-cast strip assembled block steel plate structure of claim 1, characterized in that: and a waterproof layer is arranged on the outer surface of the plugging steel plate.
4. The basement exterior wall post-cast strip assembled plugging steel plate structure of claim 3, wherein: an anti-seepage edge sealing layer is arranged between the plugging steel plate and the waterproof layer, the anti-seepage edge sealing layers are arranged on two sides of the plugging steel plate, and the anti-seepage edge sealing layers are arranged along the side edges of the plugging steel plate.
5. The basement exterior wall post-cast strip assembled plugging steel plate structure of claim 3, wherein: and a waterproof protective layer is arranged on the outer surface of the waterproof layer.
6. The basement exterior wall post-cast strip assembled plugging steel plate structure of claim 1, wherein: the inner formwork supporting device comprises a formwork, a wood beam, a steel pipe and a second waterproof lead screw, the second waterproof lead screw is embedded in the basement outer wall body, the inner surface of the formwork is provided with the first plugging surface, the formwork cover is arranged on the inner wall surface, the wood beam is pressed on the outer surface of the formwork, the steel pipe is pressed on the wood beam, and the second waterproof lead screw is pressed and fixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122675879.8U CN216787229U (en) | 2021-11-03 | 2021-11-03 | Basement outer wall post-cast strip assembled shutoff steel sheet structure |
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| CN202122675879.8U CN216787229U (en) | 2021-11-03 | 2021-11-03 | Basement outer wall post-cast strip assembled shutoff steel sheet structure |
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| CN216787229U true CN216787229U (en) | 2022-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198806A (en) * | 2022-07-18 | 2022-10-18 | 中国二十二冶集团有限公司 | Underground wall post-cast strip template reinforcing and installing construction method |
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2021
- 2021-11-03 CN CN202122675879.8U patent/CN216787229U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198806A (en) * | 2022-07-18 | 2022-10-18 | 中国二十二冶集团有限公司 | Underground wall post-cast strip template reinforcing and installing construction method |
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