CN112411771A - Steel plate mounting structure of basement outer wall post-cast strip and construction method - Google Patents
Steel plate mounting structure of basement outer wall post-cast strip and construction method Download PDFInfo
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- CN112411771A CN112411771A CN202011150596.5A CN202011150596A CN112411771A CN 112411771 A CN112411771 A CN 112411771A CN 202011150596 A CN202011150596 A CN 202011150596A CN 112411771 A CN112411771 A CN 112411771A
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
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Abstract
The utility model relates to a technical field of basement post-cast strip, concretely relates to steel sheet mounting structure of basement outer wall post-cast strip, including the outer wall, be provided with post-cast strip on the outer wall, it has the reinforcing bar net to expose on the post-cast strip, and post-cast strip outside is provided with a plurality of steel sheets of a plurality of longitudinal arrangement, and the steel sheet shelters from post-cast strip, the steel sheet is close to reinforcing bar net one side fixedly connected with connecting axle, connecting rod end pass there is the mounting panel, and the mounting panel both ends extend to the outer wall medial surface and press close to with the outer wall medial surface, and the one end threaded connection that. This application has the effect that can improve the waterproof performance of outer wall.
Description
Technical Field
The application relates to the technical field of basement post-cast strips, in particular to a steel plate mounting structure and a construction method of a basement outer wall post-cast strip.
Background
The post-cast strip is a temporary construction joint at a corresponding position of a foundation slab, a wall or a beam, and temporarily divides the structure into a plurality of parts, and after the internal of a member shrinks for a certain time, the construction joint concrete is poured and tamped, so that the structure is connected into a whole in order to prevent harmful cracks possibly generated due to uneven shrinkage of a cast reinforced concrete structure in the building construction.
The traditional post-cast strip technology comprises a masonry working well protection method, a post-cast strip advanced water stop method and a precast concrete masonry method, and various problems exist in the construction process. By adopting a masonry working well protection method, when the outer wall is higher, the working well is deeper, the difficulty of later construction is high, potential safety hazards exist, and water is easy to accumulate after backfilling, and cracks and collapse are generated; by adopting a post-cast strip advanced water stop method, the construction process is complex, the formwork supporting, reinforcing and dismantling of the protruding part are difficult, and the investment of labor and material cost is large; the precast concrete masonry method is adopted, the weight of the precast block is large, the precast block needs to be processed and manufactured on site, the process is complex, the finished precast block is difficult to protect, and the like.
In the related technology, the advanced waterproof construction technology of the external steel plate attached to the post-cast strip of the basement exterior wall is provided, the steel plate is adopted to replace a traditional post-cast strip masonry working well and a precast block, the construction is convenient and fast, the waterproof layer and the protective layer can be constructed after the steel plate is installed and finished through the welded connection of the steel plate and the post-cast strip distribution ribs, the construction can be simultaneously carried out with the exterior wall, the earthwork is backfilled, the advanced waterproof effect is achieved, some defects existing in the post-cast strip are avoided, and the difficult points that manpower, material resources and construction period are wasted in the traditional technology and the construction is difficult are solved.
In view of the above-mentioned related technologies, the inventor believes that, after the steel plate is installed, when the concrete is poured on the post-cast strip, the backfill soil is not sufficiently pressed, and the poured concrete can extrude the steel plate towards the backfill soil direction, so that the steel plate deforms, the waterproof layer is damaged, and the waterproof effect cannot be expected.
Disclosure of Invention
In order to improve the waterproof performance of the outer wall, the first purpose of the application is to provide a steel plate mounting structure of a basement outer wall post-cast strip and a construction method.
The second purpose of this application is to provide a construction method of the steel sheet mounting structure of basement outer wall post-cast strip.
The application provides a steel sheet mounting structure in basement outer wall post-cast strip adopts following technical scheme:
the utility model provides a steel sheet mounting structure of basement outer wall post-cast strip, includes the outer wall, is provided with the post-cast strip on the outer wall, and it has the reinforcing bar net to expose on the post-cast strip, and the post-cast strip outside is provided with a plurality of steel sheets of a plurality of longitudinal arrangement, and the steel sheet shelters from the post-cast strip, the steel sheet is close to reinforcing bar net one side fixedly connected with connecting axle, and the connecting rod end has passed the mounting panel, and the mounting panel both ends extend to the outer wall medial surface and press close to with the outer wall medial surface, and the.
Through adopting above-mentioned technical scheme, when screwing up the nut, mounting panel and outer wall medial surface paste tightly, before pouring the concrete to the post-cast strip, need carry out the earthwork earlier and backfill to the outer wall outside, after pouring the concrete to the post-cast strip, the concrete extrudees the steel sheet to the direction of keeping away from the reinforcing bar net, at this moment, the connecting rod is to reinforcing bar net direction pulling steel sheet, the mounting panel has the power of pulling to the connecting rod, the mounting panel both ends receive the resistance of outer wall, and can not make the mounting panel appear removing, thereby make the steel sheet be difficult for receiving the concrete extrusion and warp, thereby make the waterproof layer of outer wall lateral surface be difficult for damaging because of the steel sheet warp, thereby make the water-proof effects of outer wall better.
Optionally, a buffer assembly for buffering concrete poured in the post-cast strip is arranged on one side, close to the reinforcing mesh, of the mounting plate.
Through adopting above-mentioned technical scheme, through buffering subassembly, can make the inflation effect of the concrete of pouring in the post-cast strip play the cushioning effect to reduce the extrusion of concrete to the steel sheet.
Optionally, the buffering subassembly is close to including setting up at the mounting panel the dashpot of reinforcing bar net one side, a plurality of springs of dashpot bottom fixedly connected with, the terminal fixedly connected with apron of spring, it has the softwood to fill between apron and the dashpot bottom.
Through adopting above-mentioned technical scheme, when pouring concrete to the post-cast strip, because the support of softwood can not make the apron take place the displacement, after the concrete solidifies gradually, the less direction of resistance can be extruded to the bulging force of production when great, when being less than the extrusion force to the backfill soil to the extrusion force of softwood, the concrete extrudees the apron to reduce the effort to the steel sheet, plays the guard action to the steel sheet, makes steel sheet non-deformable.
Optionally, a fixing member for reinforcing the cover plate is arranged on the mounting plate.
Through adopting above-mentioned technical scheme, when the reinforcement can pour the concrete in the post-cast strip, play the supporting role to the mounting panel, make the difficult displacement that takes place of apron, pour the back that finishes, can take off the reinforcement, make the apron can take place the displacement.
Optionally, the mounting be with mounting panel threaded connection's threaded rod, the threaded rod is close to apron one end with the apron is contradicted.
Through adopting above-mentioned technical scheme, the screw rod can play the supporting role to the apron.
Optionally, the outer side surface of the outer wall is provided with side grooves with the same thickness as the steel plate on two sides of the post-cast strip respectively.
Through adopting above-mentioned technical scheme, make the steel sheet installation back, outer wall lateral surface and steel sheet keep away from reinforcing bar net one side on the coplanar to make subsequent waterproof layer easy to operate.
Optionally, built-in grooves with the same thickness as the mounting plate are respectively formed in the inner side of the outer wall on two sides of the post-cast strip.
Through adopting above-mentioned technical scheme, make the mounting panel after the installation, the reinforcing bar net one side is kept away from to the mounting panel is flat mutually with the outer wall medial surface.
Optionally, a reinforcing rod is fixedly connected between two adjacent mounting plates.
Through adopting above-mentioned technical scheme, the reinforcing bar can strengthen the supporting role to the mounting panel, makes the mounting panel more firm.
The second purpose of the application is to provide a construction method of a steel plate installation structure of a basement outer wall post-cast strip, which comprises the following steps:
1) constructing construction platforms on two sides of the post-cast strip, popping up control sidelines on the outer side surface and the inner side surface of the outer wall on two sides of the post-cast strip respectively, then chiseling an edge outlet groove and an internal groove along the control sidelines by using a percussion drill, and then cleaning and leveling the edges and bottoms of the edge outlet groove and the internal groove;
2) a chain block and a small crane are arranged on the construction platform, one end of a hoisting device is fixedly connected to the scaffold construction platform, and the steel plate is hoisted;
3) after the steel plates are conveyed to a construction platform, the steel plates are sequentially and longitudinally installed, during installation, the steel plates are aligned with the adjacent lower steel plates and then welded, then the installation plates penetrate through the connecting shafts, and the connecting shafts penetrate through one ends of the installation plates and are in threaded connection with nuts and screwed tightly;
4) after the steel plate is installed, welding a reinforcing rod between two adjacent installation plates;
5) and after the post-cast strip is used for pouring concrete, screwing out the threaded rod and taking down the threaded rod.
Through adopting above-mentioned technical scheme, position along with the steel sheet installation increases gradually, through setting up construction platform, can install the steel sheet more conveniently, during the installation steel sheet, place the bottom in post-cast strip with the steel sheet of bottom, make steel sheet both ends and limit slot bottom press close to, at this moment, the connecting axle passes the reinforcing bar net, passes the mounting panel with the end that the connecting axle passed the reinforcing bar net to the nut is connected in the one end screw thread that passes the mounting panel, screws up the nut, makes mounting panel and built-in tank bottom paste tightly. Then the next steel plate is placed, and the steel plate is placed on the bottom steel plate and is welded with the lower steel plate. And then, installing the steel plate on the upper layer and the installation plate by the method, and then installing the steel plates upwards in sequence. And then, welding reinforcing rods at two ends of two adjacent mounting plates, and after concrete is poured, screwing off the threaded rods.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the nut is screwed down, the mounting plate is tightly attached to the inner side surface of the outer wall, earthwork backfilling needs to be carried out on the outer side of the outer wall before concrete is poured on the post-pouring belt, after the concrete is poured on the post-pouring belt, the concrete extrudes the steel plate in the direction away from the reinforcing mesh, at the moment, the connecting rod pulls the steel plate in the direction of the reinforcing mesh, the mounting plate has pulling force on the connecting rod, the two ends of the mounting plate are subjected to resistance of the outer wall, the mounting plate cannot move, the steel plate cannot be easily extruded by the concrete to deform, and therefore the waterproof layer on the outer side surface of the outer wall cannot be easily damaged due to deformation of the steel plate, and the waterproof effect of the;
2. when pouring concrete to the post-cast strip, because the support of softwood can not make the apron take place the displacement, after the concrete solidifies gradually, when the bulging force of production is great, can extrude to the less direction of resistance, when being less than the extrusion force to the backfill soil to the extrusion force of softwood, the concrete extrudees the apron to reduce the effort to the steel sheet, play the guard action to the steel sheet, make steel sheet non-deformable.
Drawings
Fig. 1 is a schematic structural diagram embodying the present application.
Fig. 2 is a schematic structural view showing a mounting plate.
Fig. 3 is a schematic view showing the structure of the steel plate.
FIG. 4 is a schematic diagram of a structure embodying a cushioning assembly.
Description of reference numerals: 1. an outer wall; 11. post-pouring a belt; 12. a reinforcing mesh; 13. a side groove; 14. a built-in groove; 2. a steel plate; 21. a connecting shaft; 3. mounting a plate; 31. a nut; 32. a groove; 33. a spring; 34. a cover plate; 35. soft materials; 4. a threaded rod; 5. a reinforcing rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses steel sheet mounting structure of basement outer wall post-cast strip, refer to fig. 1, including outer wall 1, be provided with vertical post-cast strip 11 on the outer wall 1, it has reinforcing bar net 12 to expose on the post-cast strip 11. And vertical side grooves 13 are respectively arranged on two sides of the post-cast strip 11 on the outer side of the outer wall 1. The outer side of the post-cast strip 11 is provided with a plurality of steel plates 2 which are longitudinally arranged, the thickness of each steel plate 2 is the same as the depth of each side groove 13, two ends of each steel plate 2 are respectively contacted with the bottoms of the side grooves 13 on two sides of the post-cast strip 11, and the contact parts between every two adjacent steel plates 2 are fixed through welding.
The thickness of the steel plate 2 is the same as the depth of the side groove 13, so that after the steel plate 2 is installed, the outer side surface of the outer wall 1 and the side, far away from the reinforcing mesh 12, of the steel plate 2 are on the same plane, and therefore the subsequent waterproof layer is easy to operate.
As shown in fig. 2 and 3, a pair of connecting shafts 21 are welded to the steel plate 2 near the catch net, and the connecting shafts 21 are perpendicular to the steel plate 2. After the steel plates 2 are welded, the connecting shaft 21 penetrates through the reinforcing mesh 12, one end of the connecting shaft 21, which penetrates through the reinforcing mesh 12, penetrates through the mounting plate 3, two ends of the mounting plate 3 extend to the inner side surface of the outer wall 1, and one end of the connecting shaft 21, which penetrates through the mounting plate 3, is in threaded connection with a nut 31.
When the nut 31 is screwed down, the mounting plate 3 can be tightly attached to the inner side surface of the outer wall 1. Before the post-cast strip 11 is cast with concrete, earthwork backfill needs to be carried out on the outer side of the outer wall 1 firstly, after the post-cast strip 11 is cast with concrete, when the backfill soil is loose, the concrete is easily extruded to the steel plate 2 in the direction away from the reinforcing mesh 12, the steel plate 2 deforms, the waterproof layer is damaged, cracks appear, the waterproof effect is poor, at the moment, the steel plate 2 is pulled to the reinforcing mesh 12 by the connecting rod, the mounting plate 3 has pulling force to the connecting rod, the two ends of the mounting plate 3 are subjected to the resistance of the outer wall 1, the mounting plate 3 cannot move, the steel plate 2 is not prone to deformation caused by concrete extrusion, and the waterproof layer on the outer side surface of the outer wall 1 is not prone to damage caused by deformation of the steel plate 2.
As shown in the figure, vertical built-in grooves 14 are respectively formed in the two sides of the post-cast strip 11 on the inner side surface of the outer wall 1, and the depth of each built-in groove 14 is the same as the thickness of the mounting plate 3, so that after the mounting plate 3 is mounted, the side, far away from the reinforcing mesh 12, of the mounting plate 3 is flush with the inner side surface of the outer wall 1.
As shown in fig. 3 and 4, the mounting plate 3 is provided with a buffer member for buffering concrete poured in the post-cast strip 11, on a side thereof close to the mesh reinforcement 12. The buffer assembly comprises a rectangular groove 32 arranged on one side of the mounting plate 3 close to the reinforcing mesh 12, a plurality of springs 33 are fixedly connected to the bottom of the groove 32, a cover plate 34 is fixedly connected to the tail end of each spring 33, soft materials 35 such as foam and fibers are filled between the cover plate 34 and the bottom of the groove 32, and the springs 33 penetrate through the soft materials 35.
When pouring the concrete to post-cast strip 11, because the support of softwood 35 can not make apron 34 take place the displacement, after the concrete solidifies gradually, when the bulging force of production is great, can extrude to the less direction of resistance, when being less than the extrusion force to the backfill soil to the extrusion force of softwood 35, the concrete extrudees apron 34 to reduce the effort to steel sheet 2, play the guard action to steel sheet 2, make steel sheet 2 non-deformable.
As shown in fig. 3, the mounting plate 3 is provided with a fixing member for reinforcing the cover plate 34, the fixing member is a threaded rod 4 which passes through the mounting plate 3 and is in threaded connection with the mounting plate 3, one end of the threaded rod 4, which is close to the cover plate 34, is abutted against the cover plate 34, so that the cover plate 34 is supported, and the cover plate 34 is not easy to displace when concrete is poured. When the concrete is gradually solidified, the threaded rod 4 is unscrewed.
As shown in fig. 2, a pair of reinforcing rods 5 are welded between adjacent mounting plates 3, and the reinforcing rods 5 are respectively provided at both ends of the mounting plates 3. The reinforcing rod 5 can strengthen the supporting effect on the mounting plate 3, so that the mounting plate 3 is more stable.
The construction method of the steel plate installation structure of the basement outer wall post-cast strip comprises the following specific steps:
1) constructing construction platforms on two sides of the post-cast strip 11, popping up control sidelines on the outer side surface and the inner side surface of the outer wall 1 on two sides of the post-cast strip 11 respectively, then chiseling the edge outlet groove 13 and the built-in groove 14 along the control sidelines by using a percussion drill, and then cleaning and leveling the edges and the bottoms of the edge outlet groove 13 and the built-in groove 14;
2) a chain block and a small crane are arranged on the construction platform, one end of a hoisting device is fixedly connected to the scaffold construction platform, and the steel plate 2 is hoisted;
3) after the steel plates 2 are conveyed to a construction platform, the steel plates 2 are sequentially and longitudinally installed, during installation, the steel plates 2 are aligned with the adjacent lower steel plates 2 and then welded, then the mounting plate 3 penetrates through the connecting shaft 21, and one end of the connecting shaft 21, which penetrates through the mounting plate 3, is in threaded connection with the nut 31 and is screwed down;
4) after the steel plates 2 are installed, welding reinforcing rods 5 between two adjacent installation plates 3;
5) and after the post-cast strip 11 is poured with concrete, screwing out the threaded rod 4 and taking down the threaded rod.
The implementation principle of the steel plate mounting structure of the basement outer wall post-cast strip is as follows:
when the steel plates 2 are installed, the steel plate 2 at the bottommost layer is placed at the bottom of the post-cast strip 11, two ends of the steel plate 2 are close to the bottoms of the side grooves 13, at this time, the connecting shaft 21 penetrates through the reinforcing mesh 12, the connecting shaft 21 penetrates through the tail end of the reinforcing mesh 12 and penetrates through the installation plate 3, the nut 31 is connected to one end of the installation plate 3 in a threaded mode, the nut 31 is screwed, and the installation plate 3 is made to be close to the bottoms of the built-in grooves 14. Then the next steel plate 2 is placed, and this steel plate 2 is placed on the bottom steel plate 2 and welded with the lower steel plate 2. And then the steel plate 2 on the upper layer and the mounting plate 3 are mounted by the method, and then the steel plates 2 are sequentially mounted upwards. And then welding reinforcing rods 5 at two ends of two adjacent mounting plates 3. And after the concrete is poured, screwing off the threaded rod 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a steel sheet mounting structure in basement outer wall post-cast strip, includes outer wall (1), is provided with post-cast strip (11) on outer wall (1), and it has reinforcing bar net (12) to expose on post-cast strip (11), and post-cast strip (11) outside is provided with a plurality of steel sheets (2) of a plurality of longitudinal arrangement, and steel sheet (2) shelter from its characterized in that with post-cast strip (11): steel sheet (2) are close to reinforcing bar net (12) one side fixedly connected with connecting axle (21), and the connecting rod end has passed mounting panel (3), and mounting panel (3) both ends extend to outer wall (1) medial surface and press close to with outer wall (1) medial surface, and connecting axle (21) pass one end threaded connection of mounting panel (3) have nut (31).
2. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 1, characterized in that: and a buffer component for buffering concrete poured in the post-cast strip (11) is arranged on one surface, close to the reinforcing mesh (12), of the mounting plate (3).
3. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 2, characterized in that: buffering subassembly is close to including setting up in mounting panel (3) the dashpot of reinforcing bar net (12) one side, a plurality of springs of dashpot bottom fixedly connected with (33), terminal fixedly connected with apron (34) of spring (33), it has soft material (35) to fill between apron (34) and the dashpot bottom.
4. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 3, characterized in that: and the mounting plate (3) is provided with a fixing piece for reinforcing the cover plate (34).
5. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 4, characterized in that: the mounting be with mounting panel (3) threaded connection's threaded rod (4), threaded rod (4) are close to apron (34) one end with apron (34) are contradicted.
6. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 1, characterized in that: and side grooves (13) with the same thickness as the steel plate (2) are respectively arranged on the outer side surface of the outer wall (1) and on the two sides of the post-cast strip (11).
7. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 1, characterized in that: and built-in grooves (14) with the same thickness as the mounting plate (3) are respectively arranged on two sides of the post-cast strip (11) on the inner side of the outer wall (1).
8. The steel plate mounting structure of the basement exterior wall post-cast strip according to claim 1, characterized in that: and a reinforcing rod (5) is fixedly connected between the two adjacent mounting plates (3).
9. A construction method of a steel plate (2) mounting structure of a post-cast strip (11) of a basement exterior wall (1) according to any one of claims 1 to 8, characterized in that: which comprises the following steps:
1) constructing construction platforms on two sides of the post-cast strip (11), popping up control sidelines on the outer side surface and the inner side surface of the outer wall (1) on two sides of the post-cast strip (11), then chiseling an edge outlet groove (13) and an internal groove (14) along the control sidelines by using a percussion drill, and then cleaning and leveling the edges and bottoms of the edge outlet groove (13) and the internal groove (14);
2) a chain block and a small crane are arranged on the construction platform, one end of a hoisting device is fixedly connected to the scaffold construction platform, and the steel plate (2) is hoisted;
3) after the steel plate (2) is conveyed to a construction platform, the steel plate (2) is sequentially and longitudinally installed, during installation, the steel plate (2) is aligned with the adjacent lower steel plate (2) and then welded, then the installation plate (3) penetrates through the connecting shaft (21), and one end of the connecting shaft (21), which penetrates through the installation plate (3), is in threaded connection with a nut (31) and is screwed tightly;
4) after the steel plates (2) are installed, welding a reinforcing rod (5) between two adjacent installation plates (3);
5) and after the post-cast strip (11) is poured with concrete, screwing out the threaded rod (4) and taking down the threaded rod.
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| CN202011150596.5A CN112411771B (en) | 2020-10-24 | 2020-10-24 | Steel plate installation structure of basement outer wall post-cast strip and construction method |
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