CN110725562A - Floor separation reinforcing method suitable for reinforcing large-load data room - Google Patents
Floor separation reinforcing method suitable for reinforcing large-load data room Download PDFInfo
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- CN110725562A CN110725562A CN201911019136.6A CN201911019136A CN110725562A CN 110725562 A CN110725562 A CN 110725562A CN 201911019136 A CN201911019136 A CN 201911019136A CN 110725562 A CN110725562 A CN 110725562A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/04—Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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Abstract
The invention discloses a floor separation reinforcing method suitable for reinforcing a large-load data room, which comprises the following steps: A1. planning construction; A2. separating a construction area; A3. preparing a construction tool: preparing a drilling machine, a steel column pipe, a scaffold, a welding machine, a welding bearing frame, formwork supporting equipment and a high-rise concrete pump truck, wherein the formwork supporting equipment comprises a pouring template; A4. drilling: drilling upper reinforcing holes and lower reinforcing holes on a floor to be reinforced and a lower floor; A5. embedding a steel column pipe; A6. installing and welding a bearing frame and pouring a template: arranging a welding bearing frame in the pouring template, and moving the pouring template to a reinforcing point by using a template supporting device so that the welding bearing frame is respectively fixed with the bottom surface of the floor to be reinforced and the ground of the lower floor; A7. pouring concrete; A8. maintaining cement; A9. and (5) removing the pouring template. The invention has the following effects: the method can reinforce the floor slab with larger service load in the high-rise building, so that the floor slab meets the service load requirement, and the potential safety hazard is eliminated.
Description
Technical Field
The invention relates to the field of buildings, in particular to a floor separation and reinforcement method suitable for reinforcing a large-load data room.
Background
High-rise buildings are residential buildings with building heights greater than 27m and non-single-storey plants, warehouses and other civil buildings with building heights greater than 24 m. The high-rise building is usually a multi-layer structure, and a plurality of layers of vertically arranged floor slabs are arranged in the building to divide the space of the high-rise building and maximize the utilization of the space of the high-rise building. Floor slabs, which are the foundation structure of high-rise buildings, must have sufficient strength and rigidity to carry loads of furniture, equipment and people thereon and to transfer the loads to load-bearing members to maintain horizontal support of the building. In addition, the floor slab also meets the functional requirements of water resistance, moisture resistance, fire resistance, sound insulation, heat preservation, heat insulation, corrosion resistance and the like. The floor slab mainly includes several types, such as a reinforced concrete floor slab, a brick arch floor slab, a wood floor slab, a steel floor slab, and the like, and in a high-rise building, the existing floor slab mainly includes a reinforced concrete floor slab. However, in the existing building design, the design load of the floor slab may deviate from the use load of the high-rise building, for example, the use load of the data room floor in the library high-rise building is much larger than that of other floors of the building, so that the use of the high-rise building has potential safety hazard. At the moment, the floor needs to be constructed and reinforced again, so that the high-rise building meets the actual use load requirement of the load.
Therefore, a floor separation and reinforcement method suitable for reinforcing a large-load data room is needed, and the floor separation and reinforcement method can reinforce a floor slab with a large using load in a high-rise building, so that the floor slab meets the using load requirement, and potential safety hazards are eliminated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the floor separation and reinforcement method suitable for reinforcing the large-load data room, and the method can be used for reinforcing the floor with larger using load in the high-rise building, so that the floor meets the using load requirement, and the potential safety hazard is eliminated.
The technical purpose of the invention is realized by the following technical scheme:
a floor separation reinforcing method suitable for reinforcing a large-load material chamber comprises the following steps:
A1. and (3) construction planning: determining a floor to be reinforced and determining reinforcing points;
A2. separating a construction area: a construction area is divided at the lower floor of the floor to be reinforced, so that the influence on the daily use of the lower floor of the floor to be reinforced is prevented;
A3. preparing a construction tool: preparing a drilling machine, a steel column pipe, a scaffold, a welding machine, a welding bearing frame, formwork supporting equipment and a high-rise concrete pump truck, wherein the formwork supporting equipment comprises a pouring template;
A4. drilling: drilling upper reinforcing holes and lower reinforcing holes on the bottom surface of the floor to be reinforced and the floor ground at the lower side of the floor to be reinforced respectively, wherein the upper reinforcing holes are provided with a plurality of positions and are uniformly distributed around reinforcing points, and the lower reinforcing holes are also provided with a plurality of positions and are aligned with the upper reinforcing holes respectively;
A5. embedding a steel column pipe: embedding a steel column pipe in the upper reinforcing hole and the lower reinforcing hole, wherein the lower end of the steel column pipe embedded in the upper reinforcing hole penetrates through the bottom surface of the floor to be reinforced, and the upper end of the steel column pipe embedded in the lower reinforcing hole penetrates through the floor ground at the lower side of the floor to be reinforced;
A6. installing and welding a bearing frame and pouring a template: arranging a welding bearing frame in the pouring template, and moving the pouring template to a reinforcing point by using a template supporting device, so that the welding bearing frame is respectively fixed with the bottom surface of the floor to be reinforced and the floor ground below the floor to be reinforced;
A7. pouring concrete: pouring concrete into the pouring template facing the outside of the building by using a high-rise concrete pump truck;
A8. maintaining cement;
A9. and (5) removing the pouring template.
By adopting the technical scheme, after the pouring template is removed, a reinforcing structure formed by combining the welding bearing frame and the concrete is formed between the floor to be reinforced and the floor ground at the lower side of the floor, the reinforcing structure is fixed with the floor to be reinforced through a plurality of pre-embedded steel column pipes, and the reinforcing structure is also fixed with the floor surface of the lower floor through a plurality of steel column pipes, thereby ensuring the horizontal shearing resistance of the reinforced structure, in addition, partial load on the floor to be reinforced is transmitted to the floor of the lower floor through the reinforced structure, the load of a single-layer floor is dispersed to a double-layer floor, then the load of the double-layer floor slab is transferred to the foundation part of the high-rise building through the building structures such as the main beam, the shear wall and the like, the load resistance of the floor slab to be reinforced is improved, the floor is suitable for a large-load data room, and potential safety hazards caused by the use of the large-load data room are eliminated.
The formwork supporting equipment further comprises a movable vehicle body, the pouring template is arranged on the movable vehicle body and comprises a combined pipe body, a combined upper seat shell fixed at the top of the combined pipe body and a combined lower seat shell arranged at the bottom of the combined pipe body, and a moving device for vertically moving the combined pipe body is arranged on the movable vehicle body; the welding bearing frame comprises a supporting steel column vertically arranged in the combined pipe body, a supporting plate fixed at the top of the supporting steel column and positioned in the combined upper seat shell, and a supporting seat, wherein the supporting steel column is detachably connected with the inner side wall of the combined pipe body; the supporting plate is provided with a first inserting hole in sliding fit with the steel column pipe in the upper reinforcing hole, and the upper surface of the supporting seat is provided with a second inserting hole in sliding fit with the upper end of the steel column pipe in the lower reinforcing hole; the combined lower seat shell is matched with the combined pipe body in a sliding mode, and a lifting device used for lifting the combined lower seat shell is arranged on the combined pipe body; in the step a6, an operator moves the moving vehicle body to position the pouring template and the welding bearing frame, then the moving device drives the combined pipe body to move upwards to fit the combined upper seat shell to the bottom surface of the floor to be reinforced, the first inserting hole in the supporting plate is sleeved on the steel column pipe at the upper reinforcing hole, then the operator installs the supporting seat on the steel column pipe at the bottom of the supporting steel column, then the operator detaches the supporting steel column from the combined pipe body to enable the supporting steel column to be in contact with the supporting seat and welded and fixed, and then the lifting device drives the combined lower seat shell to move downwards until the combined lower seat shell is fitted to the ground.
Through adopting above-mentioned technical scheme, the welding bearing frame is predetermine in pouring the template, then operating personnel removes the removal automobile body and makes the welding bearing frame reach the reinforcement point, through the operation of mobile device for the welding bearing frame is taken one's place, then operating personnel welds the welding bearing frame and descends the combination lower shell through elevating gear, makes the pouring template take one's place, prepares for the pouring of concrete, compares with traditional welded steel bar and the mode of buildding the template alone, has shortened the time limit for a project of site operation.
The invention is further provided that one side of the movable vehicle body, which is far away from the pouring template, is provided with a counterweight column and a plurality of counterweights sleeved on the counterweight column, and the counterweight column is fixed with the movable vehicle body.
Through adopting above-mentioned technical scheme, the one side that the template was pour to the removal automobile body keeping away from is equipped with the balancing weight, has balanced the removal automobile body, prevents to remove the automobile body and turns on one's side.
The invention is further set that the moving device comprises a mounting block fixed on the moving vehicle body, a moving groove arranged on the side wall of the mounting block close to the pouring template, a moving block arranged in the moving groove and connected with the inner side wall of the moving groove in a sliding manner, a screw rod vertically penetrating through the moving block and in threaded connection with the moving block, a large gear fixed on the screw rod, a driving shaft rotationally connected with the bottom surface of the mounting block, a small gear sleeved on the driving shaft and fixed with the driving shaft and a hand wheel fixed on the driving shaft, wherein the small gear is meshed with the large gear; the upper end of the screw rod is rotatably connected with the inner top surface of the moving groove, and the lower end of the screw rod sequentially penetrates through the inner bottom surface of the moving groove and penetrates out of the bottom surface of the mounting block.
By adopting the technical scheme, when the bearing frame and the pouring template are welded in place, an operator rotates the hand wheel to rotate the driving column, so that the small gear and the large gear are driven to rotate, the lead screw is driven to rotate, the moving block drives the combined pipe body to move upwards, the combined upper seat shell is abutted against the bottom surface of the floor slab to be reinforced, and meanwhile, the supporting plate is matched with the steel column pipe on the bottom surface of the floor slab to be reinforced; due to the arrangement of the moving device, the pouring template does not need to be attached to the bottom surface of the template to be reinforced when moving, and the pouring template can move on a construction site conveniently.
The invention is further arranged in such a way that a welding groove is formed on the upper surface of the supporting seat, and the inner side wall of the welding groove is in sliding fit with the supporting steel column; in the step a6, the operator detaches the supporting steel column after the supporting seat is in place, so that the lower end of the supporting steel column is inserted into the welding groove, and the operator uses the welding machine to weld and fix the lower end of the supporting steel column and the upper surface of the supporting seat and weld and fix the supporting seat and the steel column pipe.
Through adopting above-mentioned technical scheme, the supporting seat respectively with the steel column pipe and the support steel column welded fastening of downside floor to strengthened being connected between support steel column and the downside floor, makeed the welding bearing frame and the reinforced structure that the concrete formed is connected with the downside floor and is strengthened.
The lifting device comprises a fixed ring plate, a contraction spring, a jacking air bag and an inflating pump, wherein the fixed ring plate is sleeved on the combined pipe body and fixed with the outer side wall of the combined pipe body; the jacking air bag is arranged between the fixed ring plate and the combined lower seat shell.
By adopting the technical scheme, after the supporting seat is welded, an operator starts the inflator pump to enable the jacking air bag to be expanded, so that the jacking air bag abuts against the combined lower seat shell and enables the combined lower seat shell to move downwards until the combined lower seat shell is attached to the bottom surface of the floor at the lower side, and the combined lower seat shell is in place.
The invention is further arranged in such a way that a pin is arranged on the combined pipe body, a stabilizing hole is formed in the side wall of the supporting steel column, the end part of the pin penetrates through the outer side wall of the combined pipe body and penetrates into the stabilizing hole, and the pin is tightly abutted against the inner wall of the stabilizing hole.
Through adopting above-mentioned technical scheme, the pin passes the combination body and penetrates the firm hole on the support steel column lateral wall for support the steel column and can dismantle with the combination body and be connected, when the supporting seat was taken one's place, operating personnel extracted the pin, make the support steel column transfer, thereby make support steel column lower extreme come in and go out the welding inslot on the supporting seat, the mode that the support steel column can be dismantled with the combination body and be connected has made things convenient for placing of supporting seat, prevents to support the steel column lower extreme and hinders putting into of supporting seat.
The invention is further configured such that the combination upper base shell comprises a first upper half shell and a second upper half shell detachably connected to the first upper half shell; the combined pipe body comprises a first pipe body and a second pipe body detachably connected with the first pipe body, the first upper half shell is fixed to the top of the first pipe body, and the second upper half shell is fixed to the top of the second pipe body; the combined lower seat shell comprises a first lower half shell matched with the outer side wall of the first pipe body in a sliding way and a second lower half shell matched with the outer side wall of the second pipe body in a sliding way, and the first lower half shell and the second lower half shell are detachably connected; the fixed ring plate comprises a first semi-ring plate and a second semi-ring plate detachably connected with the first semi-ring plate.
By adopting the technical scheme, the combined upper seat shell, the combined pipe body, the combined lower seat shell and the fixed ring plate are formed by combining in a split detachable connection mode, so that the disassembly of operators is facilitated.
In conclusion, the beneficial technical effects of the invention are as follows:
1. after the pouring template is removed, a reinforcing structure formed by combining a welding bearing frame and concrete is formed between the floor to be reinforced and the floor ground at the lower side of the floor, the reinforcing structure is fixed with the floor to be reinforced through a plurality of pre-embedded steel column pipes, and the reinforcing structure is also fixed with the floor surface of the lower floor through a plurality of steel column pipes, thereby ensuring the horizontal shearing resistance of the reinforced structure, in addition, partial load on the floor to be reinforced is transmitted to the floor of the lower floor through the reinforced structure, the load of a single-layer floor is dispersed to a double-layer floor, then the load of the double-layer floor slab is transferred to the foundation part of the high-rise building through the building structures such as the main beam, the shear wall and the like, the load resistance of the floor slab to be reinforced is improved, the floor slab is suitable for a large-load data room, and potential safety hazards caused by the use of the large-load data room are eliminated;
2. the welding bearing frame is pre-arranged in the pouring template, then an operator moves the movable vehicle body to enable the welding bearing frame to reach a reinforcing point, the welding bearing frame is enabled to be in place through operation of the moving device, then the operator welds the welding bearing frame and lowers the combined lower seat shell through the lifting device, the pouring template is enabled to be in place, preparation is made for pouring concrete, and compared with the traditional mode of welding reinforcing steel bars and independently building templates, the construction period of site construction is shortened;
3. the combined upper seat shell, the combined pipe body, the combined lower seat shell and the fixed ring plate are formed by combining in a split detachable connection mode, and are convenient for operators to detach.
Drawings
FIG. 1 is a schematic diagram of the steps of a floor partition reinforcing method suitable for reinforcing a heavy-duty load data room;
FIG. 2 is a schematic illustration of the installation of a steel column tube;
FIG. 3 is a schematic structural view of a welding load-bearing frame;
FIG. 4 is a schematic structural view of the formwork apparatus;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is a schematic view of the internal structure of the casting form;
FIG. 7 is a schematic view of the structure of the retainer ring plate;
fig. 8 is a schematic view of the structure of the knock bladder.
In the figure: 11. a steel column tube; 12. upper reinforcing holes; 13. a lower reinforcement hole; 2. welding the bearing frame; 21. supporting a steel column; 211. a stabilizing hole; 22. a support plate; 221. a first plug hole; 23. a supporting seat; 231. a second plug hole; 232. welding a groove; 3. moving the vehicle body; 31. a vehicle seat; 311. a counterweight column; 32. a moving wheel; 33. a vertical frame; 34. a balancing weight; 35. a push-pull handle; 4. a mobile device; 41. mounting blocks; 42. a moving groove; 43. a moving block; 44. a screw rod; 45. a drive box; 46. a bull gear; 47. a drive shaft; 48. a pinion gear; 49. a hand wheel; 5. pouring a template; 51. combining the pipe body; 511. a first pipe body; 512. a second tube body; 513. an infusion port; 514. a pin; 52. assembling the upper seat shell; 521. a first upper half shell; 522. a second upper half shell; 523. welding an operation opening; 53. combining a lower seat shell; 531. a first lower half shell; 532. a second lower half shell; 6. a lifting device; 61. a stationary ring plate; 611. a first semi-annular plate; 612. a second semi-annular plate; 62. a retraction spring; 63. pressing the air bag; 64. an inflator pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a floor partition reinforcing method suitable for reinforcing a heavy-load data room comprises the following steps:
A1. and (3) construction planning: determining a floor to be reinforced and a reinforcing point, wherein the reinforcing point is selected at a load concentration position on the floor to be reinforced;
A2. separating a construction area: a construction area is divided on the floor below the floor to be reinforced, and reinforcing points of the floor to be reinforced are positioned in the construction area in the horizontal direction, so that the daily use of the floor below the floor to be reinforced is prevented from being influenced (for convenience of description, the floor below the subsequent reinforced floor is simply called as the lower floor);
A3. preparing a construction tool: preparing a small drilling machine, a steel column pipe 11, a scaffold, a handheld welding machine, a welding bearing frame 2, formwork supporting equipment and a high-rise concrete pump truck, wherein the formwork supporting equipment comprises a pouring template 5;
as shown in fig. 2, the steel column tube 11 is a circular tube made of stainless steel, the wall of the steel column tube 11 is 5mm, and 16 steel column tubes 11 are provided. As shown in fig. 3, the welding carrier 2 includes a supporting steel column 21, a supporting plate 22 and a supporting seat 23, the supporting steel column 21 is a beam-shaped structure with an i-shaped cross section, and is vertically disposed, and the supporting steel column 21 is made of Q235 material. The supporting plate 22 is in a circular plate shape and is horizontally arranged, the axis of the supporting plate 22 is overlapped with the vertical central line of the supporting steel column 21, and the bottom surface of the supporting plate 22 is welded and fixed with the upper end face of the supporting steel column 21. The supporting seat 23 is a truncated cone-shaped seat structure, the end face with smaller area faces upwards, and the upper surface of the supporting seat 23 is provided with a welding groove 232. The opening of the welding groove 232 is in an i shape, and the shape of the opening of the welding groove 232 is consistent with the cross section of the support steel column 21. The upper surface of the supporting plate 22 is provided with a first inserting hole 221, an opening of the first inserting hole 221 is circular, and the inner diameter of the first inserting hole 221 is consistent with the outer diameter of the steel column tube 11. The first inserting holes 221 are provided with 8 positions in total, and the 8 inserting holes are uniformly distributed around the axis of the support plate 22. The upper surface of the supporting seat 23 is provided with a second inserting hole 231, the opening of the second inserting hole 231 is circular, the inner diameter of the opening is consistent with the outer diameter of the steel column tube 11, the second inserting hole 231 is provided with 8 positions, and the 8 positions of the second inserting hole 231 are uniformly distributed around the axis of the supporting seat 23.
As shown in fig. 4, the formwork erecting equipment includes a movable body 3, a moving device 4, a pouring formwork 5 and a lifting device 6, wherein the movable body 3 includes a seat 31, a movable wheel 32, a vertical frame 33, a counterweight 34 and a push-pull handle 35. The seat 31 is rectangular block, the moving wheels 32 are moving wheels 32 with brakes, four moving wheels 32 are provided, and the four moving wheels 32 are respectively arranged at four corners of the bottom surface of the seat 31 and fixed with the bottom surface of the seat 31. The vertical frame 33 and the push-pull handle 35 are respectively arranged at two sides of the saddle 31, the vertical frame 33 is rectangular plate-shaped, the vertical frame 33 is vertically arranged, and the bottom surface of the vertical frame 33 is fixed with the upper surface of the saddle 31. The push-pull handle 35 is bent by a steel pipe to be U-shaped, two ends of the push-pull handle 35 are fixed with the upper surface of the saddle 31, and the push-pull handle 35 is obliquely arranged. The saddle 31 is provided with a counterweight column 311, the counterweight column 311 is a cylindrical structure, the axis of the counterweight column 311 is vertical, and the lower end of the counterweight column 311 is fixed on the upper surface of the saddle 31. The balancing weight 34 is a circular block structure and made of steel, a round hole is formed in the center of the end face of the balancing weight 34, the balancing weight 34 is sleeved on the balancing column 311, and in addition, the balancing weight 34 is provided with a plurality of blocks, and the plurality of balancing weights 34 are stacked and placed.
As shown in fig. 4 and 5, the moving device 4 includes a mounting block 41, a moving groove 42, a moving block 43, a lead screw 44, a driving box 45, a large gear 46, a driving shaft 47, a small gear 48, and a hand wheel 49. The mounting block 41 is a rectangular block fixed on a side wall of the vertical frame 33 away from the counterweight block 34, and the mounting block 41 is disposed on the upper half of the vertical frame 33. The moving groove 42 is arranged on the side wall of one side of the mounting block 41 far away from the vertical frame 33, the opening of the moving groove 42 is rectangular, the length direction of the moving groove 42 is vertically arranged, and the horizontal cross section of the moving groove 42 is in a dovetail shape. The moving block 43 is a dovetail block structure, and is disposed in the moving groove 42 and slidably engaged with an inner wall of the moving groove 42, and a sliding direction of the moving block 43 is vertical. The screw rod 44 vertically penetrates through the moving block 43 and is in threaded connection with the moving block 43, the upper end of the screw rod 44 is rotatably connected with the inner top surface of the moving groove 42, and the lower end of the screw rod 44 penetrates through the bottom surface of the mounting block 41 and is rotatably connected with the mounting block 41. The driving box 45 is rectangular box-shaped, the opening of the driving box 45 faces upwards and is fixed with the bottom surface of the moving block 43, the lower end of the screw rod 44 is arranged in the driving box 45, and the large gear 46 is sleeved at the lower end of the screw rod 44 and is fixed with the same. The driving shaft 47 is a shaft-shaped structure with a circular cross section, vertically penetrates through the bottom surface of the driving box 45 and is rotatably connected with the driving box 45, and the upper end of the driving shaft 47 is rotatably connected with the bottom surface of the mounting block 41. The small gear 48 is disposed in the driving box 45, the small gear 48 is sleeved on the driving shaft 47 and fixed with the driving shaft, and the small gear 48 is meshed with the large gear 46. The hand wheel 49 is fixed on the lower end of the driving shaft 47, the hand wheel 49 is arranged on the lower side of the driving box 45, when an operator rotates the hand wheel 49, the driving shaft 47 rotates to drive the pinion gear 48 and the large gear 46 to rotate, the lead screw 44 rotates, and the moving block 43 is driven to vertically move.
As shown in fig. 4, the casting mold 5 includes a combined tube 51, a combined upper shell 52 and a combined lower shell 53, the combined tube 51 includes a first tube 511 and a second tube 512, the first tube 511 and the second tube 512 are both in a semi-tubular structure, and the axes of the first tube 511 and the second tube 512 are coincident. The first tube 511 is bent parallel to the edge of its own axis, the second tube 512 is bent parallel to the edge of its own axis, the first tube 511 and the second tube 512 are matched, and the bent edges of the first tube 511 and the second tube 512 are detachably connected and fixed by bolts, so that the combined tube 51 forms a circular tube shape. In addition, a pouring port 513 is provided in a side wall of the first pipe body 511, and the pouring port 513 is formed in a flange shape and communicates with the inside of the composite pipe body 51. The outer side wall of the second pipe 512 away from the first pipe 511 is welded and fixed to the side wall of the moving block 43 of the moving device 4 exposed outside the moving groove 42. The combined upper seat shell 52 is a circular cover-shaped structure, the opening of the combined upper seat shell is arranged upwards, a circular through hole is formed in the bottom surface of the combined upper seat shell 52, and the combined upper seat shell 52 is sleeved on the upper end of the combined pipe body 51 and is welded and fixed with the outer side wall of the combined pipe body 51. The combined upper casing 52 includes a first upper casing half 521 and a second upper casing half 522, the axes of the first upper casing half 521 and the second upper casing half 522 are both coincident with the axis of the combined upper casing 52, and the first upper casing half 521 and the second upper casing half 522 are coincident to form the combined upper casing 52. The vertical edges of the first upper half shell 521 and the second upper half shell 522, which are matched, are bent outwards and are attached to each other, the bent edges of the first upper half shell 521 and the second upper half shell 522 are detachably connected through bolts, in addition, the first upper half shell 521 and the first pipe body 511 are welded and fixed, and the second upper half shell 522 and the second pipe body 512 are welded and fixed. An air outlet gap is formed in the opening of the combined upper seat shell 52, the opening of the air outlet gap is semicircular, and the air outlet gap is arranged on the first upper half shell 521. The structure of the combined lower seat shell 53 is the same as that of the combined upper seat shell 52, the opening of the combined lower seat shell 53 is arranged downwards, the combined lower seat shell is sleeved on the combined pipe body 51 and is in sliding fit with the outer side wall of the combined pipe body 51, the combined lower seat shell 53 is composed of a first lower half shell 531 and a second lower half shell 532, and the combined lower seat shell 53 is arranged at the bottom of the combined pipe body 51.
As shown in fig. 6, the lifting device 6 includes a fixed ring plate 61, a contracting spring 62, a top pressing air bag 63 and an inflator 64, and as shown in fig. 7, the fixed ring plate 61 is a circular ring plate-shaped structure, and includes a first half ring plate 611 and a second half ring plate 612, the first half ring plate 611 is matched with the second half ring plate 612, and the first half ring plate 611 is detachably connected and fixed with the second half ring plate 612. The fixing ring plate 61 is sleeved on the combined tube 51 and fixed to the outer wall, the first semi-ring plate 611 is connected to the first tube 511, the second semi-ring plate 612 is connected to the second tube 512, and the fixing ring plate 61 is disposed on the upper side of the combined lower housing 53. The axis of the contraction spring 62 is vertical, the upper end of the contraction spring 62 is fixed with the bottom surface of the fixed ring plate 61, and the lower end of the contraction spring 62 is fixed with the upper surface of the combined lower seat shell 53. The plurality of contraction springs 62 are provided, and the plurality of contraction springs 62 are evenly distributed around the combined pipe body 51. As shown in fig. 8, the pressing airbag 63 is a circular tube, the inner wall of the pressing airbag 63 is hollow, and a gap parallel to the axis of the pressing airbag 63 is formed in the wall of the pressing airbag 63. The top pressure air bag 63 is sleeved on the combined tube body 51 and is located between the fixed ring plate 61 and the combined lower seat shell 53. The inflator pump 64 is fixed with the side wall of the vertical frame 33 close to the balancing weight 34, the inflator pump 64 is arranged at the top of the vertical frame 33, and the inflator pump 64 is communicated with the jacking air bag 63 through a hose. When the operator activates the inflator 64, the gas is gradually charged into the knock gas bag 63, so that the combined lower seat case 53 is moved down while the contraction spring 62 is stretched.
As shown in fig. 6, the welding bearing frame 2 is disposed in the casting mold 5, the supporting steel column 21 is vertically disposed in the assembled tube 51, and the supporting plate 22 is disposed in the assembled upper seat shell 52. The combined pipe body 51 is provided with a pin 514, the outer side wall of the support steel column 21 is provided with a stabilizing hole 211, the opening of the stabilizing hole 211 is circular, and the end part of the pin 514 horizontally penetrates through the outer side wall of the combined pipe body 51 and penetrates into the stabilizing hole 211 to be tightly abutted against the inner wall of the stabilizing hole 211, so that the support steel column 21 is fixed with the combined pipe body 51. The fixing holes 211 matched with the same pin 514 are provided with two positions, the two fixing holes 211 are vertically arranged, and the pin 514 is inserted into the lower fixing hole 211.
A4. Drilling: respectively drilling upper reinforcing holes 12 and lower reinforcing holes 13 on the bottom surface of the floor to be reinforced and the floor ground at the lower side of the floor to be reinforced, wherein the upper reinforcing holes 12 are provided with 8 positions and are uniformly distributed around reinforcing points, and the lower reinforcing holes 13 are also provided with 8 positions and are respectively aligned with the upper reinforcing holes 12;
A5. embedding the steel column pipe 11: embedding each steel column pipe 11 in an upper reinforcing hole 12 and a lower reinforcing hole 13, pouring concrete, and solidifying and fixing, so that the lower end of each steel column pipe 11 embedded in the upper reinforcing hole 12 penetrates through the bottom surface of the floor to be reinforced, and the upper end of each steel column pipe 11 embedded in the lower reinforcing hole 13 penetrates through the floor ground at the lower side of the floor to be reinforced;
A6. installing and welding the bearing frame 2 and pouring the template 5: the method comprises the following steps:
a. horizontally moving in place: the operator pushes the movable vehicle body 3 until the combined pipe body 51 reaches the reinforcement point of the floor to be reinforced, so that the first inserting hole 221 on the support plate 22 is aligned with the steel column pipe 11 on the bottom surface of the floor to be reinforced;
b. vertically moving into position: an operator rotates the hand wheel 49 to drive the combined pipe body 51 to move upwards, so that the opening of the combined upper seat shell 52 is attached to the bottom surface of a floor to be reinforced, the first inserting hole 221 in the supporting plate 22 is sleeved on the steel column pipe 11 at the upper reinforcing hole 12, then the operator sleeves the supporting seat 23 on the steel column pipe 11 at the bottom of the supporting steel column 21, so that the second inserting hole 231 in the supporting seat 23 is matched with the steel column pipe 11 on the ground of the lower floor in a sliding manner, then the operator pulls down the pin 514, so that the lower end of the supporting steel column 21 is inserted into the welding groove 232 in the supporting seat 23, and finally the operator inserts the pin 514 again, so that the pin 514 is inserted into the stabilizing hole 211 on the upper side of the original stabilizing hole 211;
c. installing and welding the bearing frame 2: the outer side wall of the first upper half shell 521 and the outer side wall of the second upper half shell 522 are provided with a welding operation port 523, the opening of the welding operation port 523 is rectangular, an operator welds and fixes the support plate 22 and the outer side wall of the steel column pipe 11 through the welding operation port 523, then closes the welding operation port 523 again and welds the welding operation port, then welds and fixes the lower end of the support steel column 21 and the upper surface of the support base 23 along the opening of the welding groove 232, and finally welds and fixes the support base 23 and the steel column pipe 11 on the ground of the lower floor;
d. installing a pouring template 5: the operator starts the inflator pump 64 to move the lower combined seat shell downwards until the opening of the lower combined seat shell 53 is attached to the ground;
A7. pouring concrete: pouring concrete outside the building through a pouring port 513 on the combined pipe body 51 towards the pouring template 5 by using a high-rise concrete pump truck until the concrete is in contact with the roof plate to be reinforced and overflows from the air outlet gap;
A8. maintaining cement;
A9. removing the pouring template 5: the fixing ring plate 61, the combined lower seat shell 53, the combined pipe body 51 and the combined upper seat shell 52 are removed in sequence, so that the reinforced structure formed by welding the bearing frame 2 and the concrete is exposed.
The working principle of the embodiment is as follows: a reinforcing structure formed by combining a welding bearing frame 2 and concrete is formed between a floor to be reinforced and the floor of the lower floor of the floor to be reinforced, the reinforcing structure is fixed with the floor to be reinforced through a plurality of pre-buried steel column pipes 11, and the reinforcing structure is also fixed with the floor of the lower floor through a plurality of steel column pipes 11, so that the horizontal shear resistance of the reinforcing structure is guaranteed, in addition, partial load on the floor to be reinforced is transmitted to the floor of the lower floor through the reinforcing structure, so that the load of a single-layer floor is dispersed to double-layer floors, then the load of the double-layer floors is transmitted to the foundation part of a high-rise building through building structures such as a girder and a shear wall, the load resistance of the floor to be reinforced is improved, the floor is suitable for a large-load data room, and potential safety hazards caused by the use of the large-load data room are eliminated.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A floor separation and reinforcement method suitable for reinforcing a large-load data room is characterized by comprising the following steps: the method comprises the following steps:
A1. and (3) construction planning: determining a floor to be reinforced and determining reinforcing points;
A2. separating a construction area: a construction area is divided at the lower floor of the floor to be reinforced, so that the influence on the daily use of the lower floor of the floor to be reinforced is prevented;
A3. preparing a construction tool: preparing a drilling machine, a steel column pipe (11), a scaffold, a welding machine, a welding bearing frame (2), formwork supporting equipment and a high-rise concrete pump truck, wherein the formwork supporting equipment comprises a pouring template (5);
A4. drilling: drilling upper reinforcing holes (12) and lower reinforcing holes (13) on the bottom surface of the floor to be reinforced and the floor ground at the lower side of the floor to be reinforced respectively, wherein the upper reinforcing holes (12) are provided with a plurality of positions and are uniformly distributed around reinforcing points, and the lower reinforcing holes (13) are also provided with a plurality of positions and are aligned with the upper reinforcing holes (12) respectively;
A5. embedding a steel column tube (11): embedding the steel column pipes (11) in the upper reinforcing holes (12) and the lower reinforcing holes (13), wherein the lower ends of the steel column pipes (11) embedded in the upper reinforcing holes (12) penetrate through the bottom surface of the floor slab to be reinforced, and the upper ends of the steel column pipes (11) embedded in the lower reinforcing holes (13) penetrate through the floor surface at the lower side of the floor slab to be reinforced;
A6. installing and welding the bearing frame (2) and pouring the template (5): arranging the welding bearing frame (2) in the pouring template (5), and moving the pouring template (5) to a reinforcing point by using formwork supporting equipment, so that the welding bearing frame (2) is respectively fixed with the bottom surface of the floor to be reinforced and the floor ground at the lower side of the floor to be reinforced;
A7. pouring concrete: pouring concrete into the pouring template (5) facing the outside of the building by using a high-rise concrete pump truck;
A8. maintaining cement;
A9. and (5) removing the pouring template.
2. The method of claim 1, wherein the method comprises the steps of: the formwork supporting equipment further comprises a movable vehicle body (3), the pouring template (5) is installed on the movable vehicle body (3), the pouring template (5) comprises a combined pipe body (51), a combined upper seat shell (52) fixed to the top of the combined pipe body (51) and a combined lower seat shell (53) arranged at the bottom of the combined pipe body (51), and a moving device (4) used for vertically moving the combined pipe body (51) is arranged on the movable vehicle body (3); the welding bearing frame (2) comprises a supporting steel column (21) vertically arranged in the combined pipe body (51), a supporting plate (22) fixed at the top of the supporting steel column (21) and positioned in the combined upper seat shell (52), and a supporting seat (23), wherein the supporting steel column (21) is detachably connected with the inner side wall of the combined pipe body (51); a first plug hole (221) which is in sliding fit with the steel column tube (11) in the upper reinforcing hole (12) is formed in the supporting plate (22), and a second plug hole (231) which is in sliding fit with the upper end of the steel column tube (11) in the lower reinforcing hole (13) is formed in the upper surface of the supporting seat (23); the combined lower seat shell (53) is matched with the combined pipe body (51) in a sliding manner, and a lifting device (6) for lifting the combined lower seat shell (53) is arranged on the combined pipe body (51); in the step A6, an operator moves the mobile vehicle body (3) to enable the pouring template (5) and the welding bearing frame (2) to be in place, then the moving device (4) drives the combined pipe body (51) to move upwards so that the combined upper seat shell (52) is attached to the bottom surface of the floor to be reinforced, and the first inserting hole (221) on the supporting plate (22) is sleeved on the steel column tube (11) at the upper reinforcing hole (12), then an operator installs the supporting seat (23) on the steel column tube (11) at the bottom of the supporting steel column (21), then the operator detaches the supporting steel column (21) from the combined pipe body (51), so that the supporting steel column (21) is contacted with the supporting seat (23) and welded and fixed, then the lifting device (6) drives the combined lower seat shell (53) to move downwards until the combined lower seat shell (53) is attached to the ground.
3. The method as claimed in claim 2, wherein the reinforcement of the floor partition is applied to the reinforcement of a heavy-load material room, and comprises the following steps: one side of the moving vehicle body (3) far away from the pouring template (5) is provided with a counterweight column (311) and a plurality of counterweight blocks (34) sleeved on the counterweight column (311), and the counterweight column (311) is fixed with the moving vehicle body (3).
4. The method as claimed in claim 2, wherein the reinforcement of the floor partition is applied to the reinforcement of a heavy-load material room, and comprises the following steps: the moving device (4) comprises an installation block (41) fixed on the moving vehicle body (3), a moving groove (42) formed in the side wall, close to the pouring template (5), of the installation block (41), a moving block (43) arranged in the moving groove (42) and connected with the inner side wall of the moving groove (42) in a sliding mode, a lead screw (44) vertically penetrating through the moving block (43) and connected with the lead screw in a threaded mode, a large gear (46) fixed on the lead screw (44), a driving shaft (47) rotatably connected with the bottom surface of the installation block (41), a small gear (48) sleeved on the driving shaft (47) and fixed with the driving shaft (47), and a hand wheel (49) fixed on the driving shaft (47), wherein the small gear (48) is meshed with the large gear (46); the upper end of the screw rod (44) is rotatably connected with the inner top surface of the movable groove (42), and the lower end of the screw rod (44) sequentially penetrates through the inner bottom surface of the movable groove (42) and penetrates out of the bottom surface of the mounting block (41).
5. The method as claimed in claim 2, wherein the reinforcement of the floor partition is applied to the reinforcement of a heavy-load material room, and comprises the following steps: a welding groove (232) is formed in the upper surface of the supporting seat (23), and the inner side wall of the welding groove (232) is in sliding fit with the supporting steel column (21); in the step a6, the operator detaches the supporting steel column (21) after the supporting seat (23) is in place, so that the lower end of the supporting steel column (21) is inserted into the welding groove (232), and the operator uses the welding machine to weld and fix the lower end of the supporting steel column (21) and the upper surface of the supporting seat (23) and weld and fix the supporting seat (23) and the steel column tube (11).
6. The method as claimed in claim 2, wherein the reinforcement of the floor partition is applied to the reinforcement of a heavy-load material room, and comprises the following steps: the lifting device (6) comprises a fixed ring plate (61) which is sleeved on the combined pipe body (51) and fixed with the outer side wall, a contraction spring (62), a jacking air bag (63) which is sleeved on the combined pipe body (51) and an inflator pump (64) which is fixed on the moving vehicle body (3) and used for pressing the jacking air bag (63), the upper end of the contraction spring (62) is fixed with the bottom surface of the fixed ring plate (61), and the lower end of the contraction spring (62) is fixed with the upper surface of the combined lower seat shell (53); the jacking air bag (63) is arranged between the fixed ring plate (61) and the combined lower seat shell (53).
7. The method as claimed in claim 2, wherein the reinforcement of the floor partition is applied to the reinforcement of a heavy-load material room, and comprises the following steps: the combined steel column is characterized in that a pin (514) is arranged on the combined pipe body (51), a stabilizing hole (211) is formed in the side wall of the supporting steel column (21), the end portion of the pin (514) penetrates through the outer side wall of the combined pipe body (51) and penetrates into the stabilizing hole (211), and the pin (514) is tightly abutted to the inner wall of the stabilizing hole (211).
8. The method as claimed in claim 6, wherein the reinforcement of the floor partition is applied to the reinforcement of a heavy-load material room, and comprises the following steps: the combined upper seat shell (52) comprises a first upper half shell (521) and a second upper half shell (522) detachably connected with the first upper half shell (521); the combined pipe body (51) comprises a first pipe body (511) and a second pipe body (512) detachably connected with the first pipe body (511), the first upper half shell (521) is fixed to the top of the first pipe body (511), and the second upper half shell (522) is fixed to the top of the second pipe body (512); the combined lower seat shell (53) comprises a first lower half shell (531) matched with the outer side wall of the first tube body (511) in a sliding way and a second lower half shell (532) matched with the outer side wall of the second tube body (512) in a sliding way, and the first lower half shell (531) is detachably connected with the second lower half shell (532); the fixed ring plate (61) includes a first half ring plate (611) and a second half ring plate (612) detachably connected to the first half ring plate (611).
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| CN201911019136.6A CN110725562B (en) | 2019-10-24 | 2019-10-24 | Floor separation reinforcing method suitable for reinforcing large-load data room |
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| CN201911019136.6A CN110725562B (en) | 2019-10-24 | 2019-10-24 | Floor separation reinforcing method suitable for reinforcing large-load data room |
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| CN112252764A (en) * | 2020-11-11 | 2021-01-22 | 陕西理工大学 | Earthquake-resistant reinforcing method for energy-saving reconstruction of existing building structure |
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