CN210685369U - Concrete side wall formwork structure for narrow space - Google Patents
Concrete side wall formwork structure for narrow space Download PDFInfo
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- CN210685369U CN210685369U CN201921326756.XU CN201921326756U CN210685369U CN 210685369 U CN210685369 U CN 210685369U CN 201921326756 U CN201921326756 U CN 201921326756U CN 210685369 U CN210685369 U CN 210685369U
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Abstract
The utility model provides a concrete side wall template structure for narrow space. Concrete side wall template structure is set up in the narrow space between envelope and concrete side wall, its characterized in that: template structure is including hugging closely the supporting template of concrete side wall, fixing at the many steel bar crab-bolts that the supporting template is close to envelope one side surface with the anchor establish at envelope and is close to narrow space one side surface, many steel bar crab-bolts anchor into envelope's length is not less than 250mm, and its free end level extends to the steel bar net piece and is close to envelope one side to with the welding of steel bar net piece. The utility model discloses effectively solved station and wind channel sharing side wall and had under the condition in space behind one's back, because the narrow unable construction template's in its space problem can ensure the construction quality of side wall, guarantee the apparent mass of the both sides of concrete side wall to can reduce each process construction cross influence, effectively controlled construction cost.
Description
Technical Field
The utility model relates to a station template mounting field specifically is a concrete side wall template structure in its side wall upstream face narrow space when being used for station and wind channel sharing side wall.
Background
At present, most urban subway stations and auxiliary structures thereof are built in stages due to the limitation of construction sites, and the side walls of the stations and the air duct structure are respectively and independently arranged, so that the mutual influence is small during construction; the method of intensive design is adopted for the side walls of individual urban underground engineering in spatial positions, and the subway station and the air duct structure share the side walls.
Subway station constructs with the sharing side wall of wind channel structure generally when the station main part is under construction, when later stage construction wind channel, again with the fender post of sharing side wall part abolish, because the thickness of wind channel side wall is generally less than station side wall thickness, so when abolishing, need abolish partial thickness's side wall, thereby the loaded down with trivial details and the cost of construction have been increased, in order to reduce the investment, reduce cost, generally can be when constructing the station side wall, just reduce the thickness of side wall thickness to the wind channel side wall, thereby lead to having the space between side wall and the fender post. When constructing station major structure and air duct structure sharing section side wall, because the space is narrow between side wall and the station fender post, the working face can't satisfy constructor's operation requirement, if use the brick brickwork to fill the space then increase extra engineering volume, the intercrossing operation interference is many between each kind of industry. Therefore, a template structure of the narrow space soil facing side of the side wall shared by the station and the air duct needs to be researched, and the template structure plays a vital role in the construction of the shared side wall.
Disclosure of Invention
The utility model discloses not enough according to prior art provides a concrete side wall template structure that is used for its side wall upstream face narrow space when station and wind channel sharing side wall, this template simple structure, can be at narrow space in the erection construction, increased the support and the apparent mass of side wall upstream face.
In order to solve the problem, the utility model provides a technical scheme: the utility model provides a concrete side wall template structure for narrow space, sets up in the narrow space between envelope and concrete side wall, its characterized in that: template structure is including hugging closely the supporting template of concrete side wall, fixing at the many steel bar crab-bolts that the supporting template is close to envelope one side surface with the anchor establish at envelope and is close to narrow space one side surface, many steel bar crab-bolts anchor into envelope's length is not less than 250mm, and its free end level extends to the steel bar net piece and is close to envelope one side to with the welding of steel bar net piece.
The utility model discloses further technical scheme: the width of the narrow space between the enclosure structure and the concrete side wall is less than 800 mm.
The utility model discloses better technical scheme: the supporting template is connected with the steel bar mesh by adopting a plurality of steel bar anchoring parts, and the plurality of steel bar anchoring parts are distributed at the intersection of the steel bars of the steel bar mesh; the steel bar anchoring part comprises a threaded steel bar and an anchoring plate welded at one end of the threaded steel bar, a fixing hole is formed in the supporting template corresponding to the intersection position of the steel bars of the steel bar net piece, the steel bar anchoring part is inserted into the fixing hole from one side of the supporting template close to the concrete side wall, and penetrates through the steel bar net piece to be tightly attached to the enclosure structure.
The utility model discloses better technical scheme: the plurality of steel bar anchor bolts are distributed on the surface of one side, close to the narrow space, of the envelope structure at equal intervals of 500mm multiplied by 500mm, and the diameter of each steel bar anchor bolt is not smaller than 25 mm.
The utility model discloses better technical scheme: the reinforcing bar net piece is a square net piece formed by welding a plurality of vertical main bars and a plurality of horizontal reinforcing bars, the height and the width of the square net piece are respectively equal to those of the concrete side wall, and the diameters of the vertical main bars and the horizontal reinforcing bars are not less than 25 mm.
The utility model discloses better technical scheme: the joints of the supporting template are bonded by double-sided adhesive tapes, and the back of the joints of the supporting template is fixed by bamboo plywood with the width of 150-200 mm.
The utility model discloses better technical scheme: the aperture of the fixing hole arranged on the supporting template is 24mm, the threaded steel bar adopts C25 threaded steel bar, and the anchoring plate adopts a rectangular plate with the thickness of 100mm multiplied by 10 mm.
The utility model discloses well steel bar crab-bolt length is not less than 400mm, and concrete length needs are confirmed according to the space width between concrete side wall and the envelope, and the steel bar crab-bolt in the side wall template height scope exposes length and side wall upstream face template parallel and level, and the length that exposes of all the other steel bar crab-bolts uses the plumb line to adjust.
The utility model discloses well template simple structure, construction convenience can be used for the installation construction of narrow space water-facing template, have effectively solved under the condition that station and wind channel sharing side wall exist the space behind one's back, because the problem of the narrow unable construction form in its space, can ensure the construction quality of side wall, guarantee the apparent quality of the both sides of concrete side wall to can reduce each process construction cross influence, effectively control construction cost.
Drawings
Fig. 1 is a schematic longitudinal cross-sectional view of the present invention;
fig. 2 is a schematic transverse cross-sectional view of the present invention;
FIG. 3 is a schematic view of portion A of FIG. 1;
fig. 4 is the structural schematic diagram of the reinforcing mesh of the present invention.
In the figure: the concrete side wall is 1, the concrete side wall is 2, the enclosure structure is 3, the supporting template is 4, the reinforcing steel bar anchor bolt is 5, the reinforcing steel bar net piece is 6, the reinforcing steel bar anchoring piece is 6-1, the twisted steel bar is 6-2, the anchoring plate is 7, and the tripod supports the template.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Fig. 1 to 4 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is 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.
The concrete side wall template structure for narrow space provided by the embodiment comprises a supporting template 3 clinging to a concrete side wall 1, a net piece 5 fixed on one side of the supporting template 3 close to the enclosure structure 2 and a plurality of anchor bolts 4 anchored on one side surface of the enclosure structure 2 close to the narrow space, wherein the supporting template 3 clings to the concrete side wall 1, the net piece 5 fixed on one side of the supporting template 3 close to the enclosure structure 2 and the plurality of steel bars 4 anchored on one side surface of the enclosure structure 2 close to the narrow space, the length of the anchor of the plurality of steel bar anchor bolts 4 into the enclosure structure 2 is not less than 250mm, and the free ends of the anchor bolts horizontally extend to the side, close to the enclosure structure 2, of the steel bar net piece 5 and are welded with the steel bar net piece 5. The plurality of steel bar anchor bolts 4 are equidistantly distributed on the surface of one side, close to the narrow space, of the envelope structure 2 according to the interval of 500mm multiplied by 500mm, and the diameter of each steel bar anchor bolt is not less than 25 mm. As shown in fig. 4, the reinforcing mesh 5 is a square mesh formed by welding a plurality of vertical main reinforcements and a plurality of horizontal reinforcements, the height and the width of the square mesh are respectively equal to those of the concrete side wall 1, and the diameters of the vertical main reinforcements and the horizontal reinforcements are not less than 25 mm.
In the concrete side wall formwork structure in the embodiment, as shown in fig. 1 and fig. 2, the supporting formwork 3 is connected with the steel bar mesh 5 by adopting a plurality of steel bar anchoring parts 6, and the plurality of steel bar anchoring parts 6 are distributed at the intersection of the steel bars of the steel bar mesh 5; as shown in fig. 3, the steel bar anchoring member 6 includes a C25 twisted steel bar 6-1 and a rectangular anchoring plate 6-2 welded at one end of the twisted steel bar 6-1 and having a diameter of 100mm × 100mm × 10mm, a fixing ring hole having a diameter of 24mm is formed at the intersection of the steel bars of the supporting template 3 corresponding to the steel bar mesh 5, and the steel bar anchoring member 6 is inserted into the fixing hole from one side of the supporting template 3 adjacent to the concrete side wall 1 and passes through the steel bar mesh 5 to be closely attached to the enclosure structure 2. The abutted seam parts of the supporting templates 3 are bonded by double-sided adhesive tapes, and the back surfaces of the abutted seam parts of the supporting templates 3 are fixed by bamboo rubber plates with the width of 150-200 mm, so that the common side wall concrete pouring process is prevented from leaking slurry, and the side wall of the cast-in-place structure has common quality defects such as honeycombs, pitted surfaces and the like.
The concrete side wall formwork structure for the narrow space in the embodiment has the following specific construction process:
(1) firstly, installing reinforcing steel bar anchor bolts 4 between a station enclosure structure 2 and an air duct common concrete side wall 1, wherein the distance is 500mm multiplied by 500mm, the reinforcing steel bar anchor bolts 4 are pre-embedded in the range of spraying concrete between adjacent pile bodies, the reinforcing steel bar anchor bolts 4 are anchored into the pile bodies or the concrete layers of the station enclosure structure 2, the length of the reinforcing steel bar anchor bolts 4 is determined according to the back clearance of the common side wall, the construction external placement amount of the enclosure piles and the length of the anchored pile bodies, wherein the anchoring length of the anchor bolts is not less than 250mm, and the concrete structure is shown in figure 1;
(2) after the construction of the steel bar anchor bolts 4 in the step (1) is finished, the vertical main ridges and the horizontal secondary ridges of the steel bars for installing the steel bar net piece 5 are respectively and firmly welded with the steel bar anchor bolts 4, the height of the vertical main ridges of the steel bars is consistent with that of the side walls, and the width of the horizontal secondary ridges of the steel bars is consistent with that of the section of the station and air duct shared side walls;
(3) after the step (2) is finished, installing and fixing a supporting template 3 on the upstream side of the common concrete side wall 1, adhering the abutted seams of the templates by using a double-sided adhesive tape, and fixing the back of the abutted seam of the supporting template 3 by using a bamboo rubber plate with the width of 200mm, so that the common side wall concrete pouring process is prevented from leaking slurry, and the side wall of the cast-in-place structure has general quality defects of honeycombs, pitted surfaces and the like;
(4) and (4) after the step (3) is finished, mounting and fixing the upstream face support template 3 of the station and air duct shared concrete side wall 1 on the horizontal reinforcing steel bar secondary ridges of the reinforcing steel bar net piece 5 on the sprayed concrete surface between the piles. The fixing mode is that a hole is formed in the template at the intersection of the shaped wood template and the steel bar, the diameter of the hole is 24mm, the threaded steel bar 6-1 with the length of 100mmC25 is cut out, and a rectangular anchoring plate 8 with the length of 100mm multiplied by 10mm is welded at the end part, as shown in figure 3;
(5) then according to the requirements of a station design drawing, binding vertical main ribs on the upstream surface and the back surface of the side wall → horizontally distributing ribs on the inner side and the outer side → installing double-F-shaped side wall framework ribs → binding side wall tie bars → installing side wall outer side triangular support templates 7 → adjusting the verticality of the adjusting bolt control templates between side wall triangles → pouring side wall concrete, and finishing the construction of the concrete side wall 1 as shown in figure 1.
The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a concrete side wall template structure for narrow space, sets up in the narrow space between envelope (2) and concrete side wall (1), its characterized in that: template structure establishes many steel bar anchor bolts (4) that are close to narrow space side surface at envelope (2) including hug closely supporting template (3) of concrete side wall (1), fixing in supporting template (3) steel bar net piece (5) and the anchor that are close to envelope (2) one side, many steel bar anchor bolts (4) anchor length of entering envelope (2) is not less than 250mm, and its free end level extends to steel bar net piece (5) and is close to envelope (2) one side to weld with steel bar net piece (5).
2. A concrete side wall form structure for narrow spaces according to claim 1, wherein: the width of the narrow space between the enclosure structure (2) and the concrete side wall (1) is less than 800 mm.
3. A concrete side wall form structure for narrow spaces according to claim 1 or 2, wherein: the supporting template (3) is connected with the steel bar mesh (5) by adopting a plurality of steel bar anchoring pieces (6), and the plurality of steel bar anchoring pieces (6) are distributed at the intersection of the steel bars of the steel bar mesh (5); the steel bar anchoring piece (6) comprises a threaded steel bar (6-1) and an anchoring plate (6-2) welded at one end of the threaded steel bar (6-1), fixing holes are formed in the supporting template (3) corresponding to the steel bar intersection positions of the steel bar meshes (5), the steel bar anchoring piece (6) is inserted into the fixing holes from one side, close to the concrete side wall (1), of the supporting template (3) and penetrates through the steel bar meshes (5) to be tightly attached to the enclosure structure (2).
4. A concrete side wall form structure for narrow spaces according to claim 1 or 2, wherein: the plurality of steel bar anchor bolts (4) are equidistantly distributed on the surface of one side, close to the narrow space, of the envelope structure (2) according to the interval of 500mm multiplied by 500mm, and the diameter of each steel bar anchor bolt is not less than 25 mm.
5. A concrete side wall form structure for narrow spaces according to claim 1 or 2, wherein: the reinforcing bar net piece (5) is a square net piece formed by welding a plurality of vertical main bars and a plurality of horizontal reinforcing bars, the height and the width of the square net piece are respectively equal to those of the concrete side wall (1), and the diameters of the vertical main bars and the horizontal reinforcing bars are not less than 25 mm.
6. A concrete side wall form structure for narrow spaces according to claim 1 or 2, wherein: the joints of the supporting template (3) are bonded by double-sided adhesive tapes, and the back of the joints of the supporting template (3) is fixed by bamboo plywood with the width of 150-200 mm.
7. A concrete side wall form structure for narrow spaces according to claim 3, wherein: the aperture of the fixing hole formed in the supporting template (3) is 24mm, the threaded steel bar (6-1) adopts C25 threaded steel bar, and the anchoring plate (6-2) adopts a rectangular plate with the thickness of 100mm multiplied by 10 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921326756.XU CN210685369U (en) | 2019-08-15 | 2019-08-15 | Concrete side wall formwork structure for narrow space |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921326756.XU CN210685369U (en) | 2019-08-15 | 2019-08-15 | Concrete side wall formwork structure for narrow space |
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| CN210685369U true CN210685369U (en) | 2020-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160443A (en) * | 2020-09-18 | 2021-01-01 | 青岛地铁集团有限公司 | Summer crack resistance construction method for underground side wall structure concrete |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160443A (en) * | 2020-09-18 | 2021-01-01 | 青岛地铁集团有限公司 | Summer crack resistance construction method for underground side wall structure concrete |
| CN112160443B (en) * | 2020-09-18 | 2022-03-18 | 青岛地铁集团有限公司 | Summer crack resistance construction method for underground side wall structure concrete |
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