CN114182978A - Construction method and equipment for building steel structure roof collapse jacking repair - Google Patents
Construction method and equipment for building steel structure roof collapse jacking repair Download PDFInfo
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- CN114182978A CN114182978A CN202111559864.3A CN202111559864A CN114182978A CN 114182978 A CN114182978 A CN 114182978A CN 202111559864 A CN202111559864 A CN 202111559864A CN 114182978 A CN114182978 A CN 114182978A
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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
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0281—Repairing or restoring roofing or roof covering
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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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
Abstract
The invention relates to the technical field of building construction equipment, and particularly discloses a construction method and equipment for collapse, jacking and restoration of a building steel structure roof, which comprises a floor type steel beam, reinforced concrete floors, large steel plate base plates, inverted Y-shaped supports, lower vertical columns, Y-shaped supports, profile steel secondary beams, reinforced concrete roof panels, a pressing plate and steel truss upper chords, wherein the reinforced concrete floors are fixedly connected with the floor type steel beam, the two large steel plate base plates are respectively and fixedly connected with the reinforced concrete floors, the inverted Y-shaped supports are fixedly connected with the two large steel plate base plates, the Y-shaped supports are fixedly connected with the lower vertical columns, the pressing plate is fixedly connected with the Y-shaped supports, the two steel truss upper chords are fixedly connected with the pressing plate, the two profile steel secondary beams are respectively and fixedly connected with the corresponding steel truss upper chords, and the reinforced concrete roof panels are fixedly connected with the two steel truss upper chords. The setting of above structure can effectually support the steel bar structure roof, is convenient for strengthen or change the reinforcing bar.
Description
Technical Field
The invention relates to the technical field of building construction equipment, in particular to a construction method and equipment for building steel structure roof collapse jacking repair.
Background
The existing building causes uneven collapse of a steel structure roof due to design problems or construction problems, and serious safety and quality problems are caused.
But under the factors of social influence, construction period and the like, the steel structure roof can not be dismantled for reconstruction, a temporary supporting and jacking equipment device is used for jacking the steel structure roof to restore the original state, and then integral or local structure reinforcement is carried out.
Disclosure of Invention
The invention aims to provide a construction method and equipment for collapse, jacking and repairing of a building steel structure roof, and aims to solve the technical problem that in the prior art, under the condition of considering social influence, construction period and other factors, a steel structure roof cannot be dismantled and rebuilt, a temporary supporting and jacking equipment device is used for jacking the steel structure roof to restore the original shape, and then integral or local structure reinforcement is carried out.
In order to achieve the purpose, the collapse jacking repair equipment for the steel structure roof of the building, which is adopted by the invention, comprises floor type steel beams, reinforced concrete floors, large steel plate base plates, inverted Y-shaped supports, lower stand columns, Y-shaped supports, steel secondary beams, reinforced concrete roof plates, pressing plates and steel truss upper chords, wherein the reinforced concrete floors are fixedly connected with the floor type steel beams and positioned above the floor type steel beams, the number of the large steel plate base plates is two, the two large steel plate base plates are respectively and fixedly connected with the reinforced concrete floors and respectively positioned above the reinforced concrete floors, the inverted Y-shaped supports are fixedly connected with the two large steel plate base plates and positioned above the two large steel plate base plates, the lower stand columns are fixedly connected with the inverted Y-shaped supports and positioned above the inverted Y-shaped supports, and the Y-shaped supports are fixedly connected with the lower stand columns, the reinforced concrete roof slab is fixedly connected with the two steel truss upper chords and is positioned above the two steel truss upper chords.
Through floor shaped steel roof beam and floor contact, floor shaped steel roof beam is right reinforced concrete floor supports, big steel sheet backing plate is right the Y type of falling is supported and is fixed, the stand plays the effect that extends increase length down, Y type is supported right the clamp plate supports, the clamp plate is right steel truss upper chord member supports, shaped steel secondary beam can strengthen the intensity of steel truss upper chord member, reinforced concrete roof boarding supports original reinforcing bar, and the setting of above structure can effectually support the steel bar structure roof, is convenient for strengthen or change the reinforcing bar.
Wherein, the Y type supports and includes Y type pillar, first flange, second flange, third flange and last stand, Y type pillar with stand fixed connection down, and be located the top of stand down, first flange with Y type pillar fixed connection to the cover is located the outer table wall of Y type pillar, the quantity of second flange is two, two the second flange respectively with Y type pillar fixed connection to overlap respectively and locate the outer table wall of Y type pillar, the quantity of going up the stand is two, two go up the stand set up respectively in the top of Y type pillar, the quantity of third flange is two, every the third flange respectively with correspond go up stand fixed connection to overlap respectively and locate corresponding the outer table wall of going up the stand.
The Y-shaped support column can support an upper upright column, the upper upright column can be overlapped through a plurality of upper upright columns so as to increase the height, and the first flange, the second flange and the third flange are used for connecting the upper upright column and the Y-shaped support column.
The lower stand column comprises four flanges and two supporting columns, the number of the four flanges is two, the four flanges are fixedly connected with the supporting columns respectively and are sleeved on the outer surface walls of the supporting columns respectively, and the lower stand column is connected with the Y-shaped support and the inverted Y-shaped support through the four flanges.
The support column can be fixedly connected with the Y-shaped support and the inverted Y-shaped support through the fourth flange.
The inverted Y-shaped support comprises an inverted Y-shaped support column and a fifth flange, wherein the fifth flange is fixedly connected with the inverted Y-shaped support column and sleeved on the outer surface wall of the inverted Y-shaped support column.
Through the setting of fifth flange, can let reverse Y type pillar with it is fixed to go up the stand connection.
The jacking repairing equipment for the roof collapse of the building steel structure further comprises a plurality of stiffening plates, and each stiffening plate is fixedly connected with the corresponding profile steel secondary beam and is positioned on one side of the corresponding profile steel secondary beam.
Through the arrangement of the stiffening plate, the bearing capacity of the pressing plate can be stronger.
The jacking repair equipment for the collapse of the building steel structure roof further comprises a jack, wherein the jack is arranged above the large steel plate base plate and located between the two support forks of the inverted Y-shaped support.
Through the setting of jack, can be to the type of falling Y supports and upwards carries out the jacking.
The invention also provides a construction method of the equipment for repairing the collapse, jacking and roof of the building steel structure, which comprises the following steps:
positioning a supporting point;
mounting an upper upright post;
mounting a Y-shaped support;
mounting a lower upright post;
mounting an inverted Y-shaped support;
fixing a large steel plate base plate;
the jack is installed in place;
installing a steel plate base plate and a steel wedge;
connecting and installing a PLC jacking system;
debugging a PLC system;
jacking in a trial manner;
asynchronous jacking;
jacking and restoring the steel roof to the original shape;
the jack support is changed into a rigid support;
cutting off the rod piece to be replaced;
welding a new rod piece;
removing the temporary support system;
and (5) stressing the steel truss.
According to the construction method and the construction equipment for collapse, jacking and restoration of the roof with the steel structure of the building, the floor-type steel beam is in contact with the floor, the floor-type steel beam supports the reinforced concrete floor, the large steel plate base plate fixes the inverted Y-shaped support, the lower stand column extends to increase the length, the Y-shaped support supports the pressing plate, the pressing plate supports the upper chord of the steel truss, the profile steel secondary beam can enhance the strength of the upper chord of the steel truss, the reinforced concrete roof panel supports the original steel bars, and the arrangement of the structure can effectively support the roof with the steel structure and facilitate reinforcement or replacement of the steel bars.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a supporting side elevation view of the jacking repair equipment for the collapse of the building steel structure roof.
Fig. 2 is a supporting front view of the equipment for repairing the collapse of the roof with the steel structure of the building.
Fig. 3 is a front elevation view of the inverted Y-shaped support of the present invention.
Fig. 4 is a front elevation view of the lower upright of the present invention.
Fig. 5 is a front elevation view of the Y-shaped support of the present invention.
Fig. 6 is a front elevation view of the upper column of the present invention.
Fig. 7 is a flow chart of steps of a construction method of the equipment for jacking and repairing the collapse of the building steel structure roof.
1-floor type steel beam, 2-reinforced concrete floor slab, 3-large steel plate base plate, 4-inverted Y-shaped support, 5-lower upright post, 6-Y-shaped support, 7-shaped steel secondary beam, 8-reinforced concrete roof slab, 9-pressing plate, 10-steel truss upper chord, 11-Y-shaped strut, 12-first flange, 13-second flange, 14-third flange, 15-upper upright post, 16-fourth flange, 17-supporting column, 18-inverted Y-shaped strut, 19-fifth flange, 20-stiffening plate, 21-jack, 22-first rigid tie bar, 23-second rigid tie bar, 24-third rigid tie bar, 25-reinforcing plate, 26-steel truss lower chord and 27-steel truss web member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the invention provides a building steel structure roof collapse jacking repair device, which comprises a floor type steel beam 1, a reinforced concrete floor slab 2, large steel plate backing plates 3, inverted Y-shaped supports 4, lower upright columns 5, Y-shaped supports 6, profile steel secondary beams 7, reinforced concrete roof slabs 8, a pressing plate 9 and steel truss upper chord members 10, wherein the reinforced concrete floor slab 2 is fixedly connected with the floor type steel beam 1 and positioned above the floor type steel beam 1, the number of the large steel plate backing plates 3 is two, the two large steel plate backing plates 3 are respectively and fixedly connected with the reinforced concrete floor slab 2 and respectively positioned above the reinforced concrete floor slab 2, the inverted Y-shaped supports 4 are fixedly connected with the two large steel plate backing plates 3 and positioned above the two large steel plate backing plates 3, the lower upright columns 5 are fixedly connected with the inverted Y-shaped supports 4 and positioned above the inverted Y-shaped supports 4, y type support 6 with lower column 5 fixed connection to be located the top of lower column 5, clamp plate 9 with Y type supports 6 fixed connection, and is located the top that Y type supported 6, the quantity of steel truss upper chord 10 is two, two steel truss upper chord 10 with clamp plate 9 fixed connection, and be located the top of clamp plate 9, the quantity of shaped steel secondary beam 7 is two, two shaped steel secondary beam 7 respectively with correspond steel truss upper chord 10 fixed connection, and be located respectively one side of steel truss upper chord 10, reinforced concrete roof boarding 8 with two steel truss upper chord 10 fixed connection, and be located two the top of steel truss upper chord 10.
In this embodiment, through floor shaped steel roof beam 1 contacts with the floor, floor shaped steel roof beam 1 is right reinforced concrete floor 2 supports, big steel sheet backing plate 3 is right fall Y type and support 4 and fix, lower stand 5 plays the effect of extension increase length, Y type supports 6 is right clamp plate 9 supports, clamp plate 9 is right steel truss upper chord 10 supports, shaped steel secondary beam 7 can strengthen steel truss upper chord 10's intensity, reinforced concrete roof boarding 8 supports original reinforcing bar, and the setting of above structure can be effectual supports the steel bar structure roof, is convenient for strengthen or change the reinforcing bar.
Further, the Y-shaped support 6 comprises a Y-shaped pillar 11, a first flange 12, a second flange 13, a third flange 14 and an upper upright post 15, the Y-shaped pillar 11 is fixedly connected with the lower upright post 5, and is positioned above the lower upright post 5, the first flange 12 is fixedly connected with the Y-shaped support post 11, the two second flanges 13 are respectively fixedly connected with the Y-shaped support 11, and are respectively sleeved on the outer surface wall of the Y-shaped support post 11, the number of the upper upright posts 15 is two, the two upper upright posts 15 are respectively arranged above the Y-shaped support post 11, the number of the third flanges 14 is two, and each third flange 14 is respectively fixedly connected with the corresponding upper upright post 15 and is respectively sleeved on the outer surface wall of the corresponding upper upright post 15.
In this embodiment, the Y-shaped pillar 11 may support an upper column 15, the upper column 15 may be stacked by a plurality of upper columns 15 to increase the height, and the first flange 12, the second flange 13, and the third flange 14 may connect the upper column 15 and the Y-shaped pillar 11.
Further, the lower column 5 includes fourth flanges 16 and support columns 17, the number of the fourth flanges 16 is two, two of the fourth flanges 16 are respectively and fixedly connected with the support columns 17 and respectively sleeved on the outer surface walls of the support columns 17, and the lower column 5 is connected with the Y-shaped support 6 and the inverted Y-shaped support 4 through the fourth flanges 16.
In this embodiment, the support column 17 can be connected and fixed with the Y-shaped support 11 and the inverted Y-shaped support 4 by the fourth flange 16.
Further, the inverted Y-shaped support 4 comprises an inverted Y-shaped pillar 18 and a fifth flange 19, and the fifth flange 19 is fixedly connected with the inverted Y-shaped pillar 18 and sleeved on the outer surface wall of the inverted Y-shaped pillar 18.
In the present embodiment, the inverted Y-shaped pillar 18 and the lower column 5 can be connected and fixed by the fifth flange 19.
Furthermore, the jacking repair equipment for the roof collapse of the building steel structure further comprises a plurality of stiffening plates 20, wherein each stiffening plate 20 is fixedly connected with the corresponding profile steel secondary beam 7 and is positioned on one side of the corresponding profile steel secondary beam 7.
In the present embodiment, the load-bearing capacity of the platen 9 can be increased by providing the stiffener plate 20.
Further, the equipment for repairing the collapse and jacking of the building steel structure roof further comprises a jack 21, wherein the jack 21 is arranged above the large steel plate base plate 3 and is positioned between two support forks of the inverted Y-shaped support 4.
In the present embodiment, the jack 21 is provided to lift the inverted Y-shaped support 4 upward.
Further, the jacking repair equipment for the roof collapse of the steel structure of the building further comprises a first steel tie bar 22, a second steel tie bar 23 and a third steel tie bar 24, the number of the first steel tie bar 22, the second steel tie bar 23 and the third steel tie bar 24 is two, the two first steel tie bars 22 are respectively and fixedly connected with the inverted Y-shaped support column 18 and respectively located on the outer surface wall of the inverted Y-shaped support column 18, the two second steel tie bars 23 are respectively and fixedly connected with the support column 17 and respectively located on the outer surface wall of the support column 17, and the two third steel tie bars 24 are respectively and fixedly connected with the Y-shaped support column 11 and respectively located on the outer surface wall of the Y-shaped support column 11.
In the present embodiment, the first tie bar 22, the second tie bar 23, and the third tie bar 24 are provided to facilitate climbing by workers and construction work.
Further, the jacking repair equipment for the roof collapse of the building steel structure further comprises a plurality of reinforcing sheets 25, wherein each reinforcing sheet 25 is fixedly connected with the corresponding first flange 12, the corresponding second flange 13, the corresponding third flange 14, the corresponding fourth flange 16 and the corresponding fifth flange 19 and is respectively positioned on the outer surface wall of the corresponding first flange 12, the corresponding second flange 13, the corresponding third flange 14, the corresponding fourth flange 16 and the corresponding fifth flange 19.
In the embodiment, through the arrangement of the reinforcing sheet 25, the contact area can be increased, so that the building steel structure roof collapse jacking repair equipment has higher strength and stronger bearing capacity.
Further, jacking repair equipment that collapses of building steel structure roof still includes steel truss lower chord 26 and steel truss web member 27, steel truss lower chord 26 with Y type pillar 11 fixed connection to the cover is located the exterior wall of Y type pillar 11, the quantity of steel truss web member 27 is many, every the both ends of steel truss web member 27 respectively with steel truss lower chord 26 with clamp plate 9 fixed connection, and be located respectively steel truss lower chord 26 with between the clamp plate 9.
In this embodiment, the steel truss web members 27 are fixedly installed by the steel truss lower chord members 26, and the steel truss web members 27 can increase the bearing capacity of the pressing plate 9, so that the bearing effect of the building steel structure roof collapse jacking repair equipment is better.
Referring to fig. 7, the invention further provides a construction method using the above-mentioned equipment for repairing roof collapse and jacking of a building steel structure, which includes the following steps:
s1: positioning a supporting point;
s2: mounting an upper upright post;
s3: mounting a Y-shaped support;
s4: mounting a lower upright post;
s5: mounting an inverted Y-shaped support;
s6: fixing a large steel plate base plate;
s7: the jack is installed in place;
s8: installing a steel plate base plate and a steel wedge;
s9: connecting and installing a PLC jacking system;
s10: debugging a PLC system;
s11: jacking in a trial manner;
s12: asynchronous jacking;
s13: jacking and restoring the steel roof to the original shape;
s14: the jack support is changed into a rigid support;
s15: cutting off the rod piece to be replaced;
s16: welding a new rod piece;
s17: removing the temporary support system;
s18: and (5) stressing the steel truss.
The detailed process of the above steps is as follows:
1. and (3) positioning a supporting point, namely positioning the supporting point below a section steel secondary beam connected with an upper chord of the steel truss, drawing a supporting point position line on the section steel secondary beam according to the size shown in the figure, making a vertical line from the supporting point on the section steel secondary beam to the floor, and determining the supporting point position on the floor. Therefore, the positions of the upper supporting point and the lower supporting point can be accurately positioned.
2. And (3) installing the upper stand column, namely, firstly connecting the upper stand column with the profile steel secondary beam connected with the upper chord member of the steel truss, namely hanging the upper stand column below the profile steel secondary beam, and welding and fixing the upper stand column and the profile steel secondary beam after the verticality is found.
3. And (3) installing the Y-shaped support, namely welding a flange plate at the lower end of the upper upright post, and connecting the flange plate welded with the end part of the Y-shaped support through a high-strength bolt. And after the verticality is found, screwing the high-strength bolt.
4. And (3) installing the lower upright column, namely, welding a flange plate at the lower end of the Y-shaped support, and connecting the flange plate welded at the end part of the lower upright column through a high-strength bolt. And after the verticality is found, screwing the high-strength bolt.
5. And (3) installing the inverted Y-shaped support, namely, welding a flange plate at the lower end of the lower upright post, and connecting the flange plate welded with the end part of the inverted Y-shaped support through a high-strength bolt. And after the verticality is found, screwing the high-strength bolt.
6. The large steel plate base plate is fixed, so far, the distance between the lower end of the whole support and the floor is about 100 mm-300 mm, after the positioning is carried out according to the size shown in the figure, the floor is polished to be flat, the large steel plate base plate is placed on the floor, and the periphery of the large steel plate base plate is limited and fixed by using M10 expansion bolts. Two end tops of the inverted Y-shaped support are projected on the large steel plate base plate.
7. The jack is installed in place, namely the jack is placed on a large steel plate base plate according to the designed tonnage, the jack is positioned between two inverted Y-shaped support forks, and the jack is placed in a centering mode in two directions.
8. The steel plate base plate and the steel wedge are installed, wherein a plurality of steel plate base plates with the thickness of 20mm are arranged below the jack according to the size of the gap, at least one steel plate base plate with the thickness of 20mm is arranged above the jack, and the rest gap can be wedged and fixed by the steel wedge with the thickness of 12mm, so that the steel structure roof can be supported on the floor by the integral support, and force can be transferred.
9. The PLC jacking system is connected and installed, namely, all jacks are connected into a whole by using a high-pressure oil pipe, a tee joint, a distribution valve, a pump station, a pressure sensor, a displacement sensor and a data line and are all connected into a master control of the PLC jacking system.
10. Debugging the PLC system, namely opening a control panel of a host machine, pressurizing, checking whether each jack can be normally jacked, then relieving pressure, and checking whether each jack is normally retracted. And in the pressurizing and pressure releasing processes, whether the jack, the high-pressure oil pipe, the tee joint and the connecting part leak oil or not is checked, and if the field is normal, the system is debugged.
11. And (4) jacking in a test mode, namely uniformly loading the jacks to 5MPa, checking whether the jacks generate jacking displacement, and after the pressurization is stopped, judging whether the jacks can be stabilized at about 5MPa or not without generating a large pressure drop phenomenon.
12. Asynchronous jacking-because the jacking displacement volume of every jack is inequality, consequently, adopt the mode of "quick jacking", make all jacks jack simultaneously jacking, make the jacking force of every jack maintain about the pressure value of calculation, the jacking speed can be along with needing the jacking displacement volume bigger, the principle that its speed is bigger goes on, therefore, just call asynchronous jacking. In the jacking process, the stroke of the jack needs to be changed, and then the jacking process needs to be completed by the steel plate cushion block and the profile steel cushion block.
13. Jacking and restoring the steel roof to an original state, namely after jacking displacement amount needed by each jacking point is basically jacked in place through calculation, measuring the jacking displacement amount of each jacking point by adopting a level gauge or a laser level gauge, comparing the jacking displacement amount with calculated data, and controlling the error to be +/-5 mm.
14. The jack support is changed into rigid support, after the jack is jacked in place, the jacking space is tightly plugged by the steel plate cushion block, the profile steel cushion block and the steel wedge, so that the jack is stressed, and the jack is relieved and falls off without stress.
15. The rod piece to be replaced is cut off, in this state, all the web members and other damaged or unqualified components can be cut off, and the welding part is polished to be flat.
16. And (4) welding a new rod piece, namely welding a new web member piece and other part rod pieces again according to the position and the new construction specification shown in the design construction drawing. The welding line is required to meet the design requirement and is qualified through the detection of a third party.
17. And (3) dismantling the temporary support system, namely completing welding of all components, starting the PLC synchronous jacking system after the detection is qualified, jacking all jacks by about 2-3 mm, taking the steel wedge, the steel plate cushion block and the profile steel cushion block in sequence, and slowly releasing pressure until all the jacks retract.
18. After the steel truss is stressed and the temporary support is removed, the steel truss is stressed automatically, and the quality of the steel truss is qualified after no deformation is observed, so that the safe stress state can be achieved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A jacking repairing device for collapse of a steel structure roof of a building is characterized in that,
comprises a floor type steel beam (1), a reinforced concrete floor slab (2), large steel plate base plates (3), inverted Y-shaped supports (4), lower stand columns (5), Y-shaped supports (6), profile steel secondary beams (7), reinforced concrete roof slabs (8), pressing plates (9) and steel truss upper chords (10), wherein the reinforced concrete floor slab (2) is fixedly connected with the floor type steel beam (1) and is positioned above the floor type steel beam (1), the number of the large steel plate base plates (3) is two, the two large steel plate base plates (3) are respectively and fixedly connected with the reinforced concrete floor slab (2) and are respectively positioned above the reinforced concrete floor slab (2), the inverted Y-shaped supports (4) are fixedly connected with the two large steel plate base plates (3) and are positioned above the two large steel plate base plates (3), the lower stand columns (5) are fixedly connected with the inverted Y-shaped supports (4), and is positioned above the inverted Y-shaped support (4), the Y-shaped support (6) is fixedly connected with the lower upright post (5), and is positioned above the lower upright post (5), the pressure plate (9) is fixedly connected with the Y-shaped support (6), and is positioned above the Y-shaped support (6), the number of the upper chords (10) of the steel truss is two, the two upper chords (10) of the steel truss are fixedly connected with the pressure plate (9), and are positioned above the pressure plate (9), the number of the section steel secondary beams (7) is two, the two section steel secondary beams (7) are respectively and fixedly connected with the corresponding steel truss upper chord members (10), and the reinforced concrete roof panels (8) are fixedly connected with the two steel truss upper chords (10) and are positioned above the two steel truss upper chords (10).
2. The jacking repair equipment for the roof collapse of the steel structure of the building as claimed in claim 1,
the Y-shaped support (6) comprises a Y-shaped support (11), a first flange (12), a second flange (13), a third flange (14) and an upper upright column (15), the Y-shaped support (11) is fixedly connected with the lower upright column (5) and is positioned above the lower upright column (5), the first flange (12) is fixedly connected with the Y-shaped support (11) and is sleeved on the outer wall of the Y-shaped support (11), the number of the second flanges (13) is two, the second flanges (13) are respectively fixedly connected with the Y-shaped support (11) and are respectively sleeved on the outer wall of the Y-shaped support (11), the number of the upper upright columns (15) is two, the upper upright columns (15) are respectively arranged above the Y-shaped support (11), the number of the third flanges (14) is two, and each third flange (14) is respectively fixedly connected with the corresponding upper upright column (15), and are respectively sleeved on the outer surface walls of the corresponding upper upright posts (15).
3. The jacking repair equipment for the roof collapse of the steel structure of the building, according to claim 2,
lower column (5) includes fourth flange (16) and support column (17), the quantity of fourth flange (16) is two, two fourth flange (16) respectively with support column (17) fixed connection to the cover is located respectively the exterior wall of support column (17), just lower column (5) pass through fourth flange (16) with Y type support (6) with the type of falling Y supports (4) and connects.
4. The jacking repair equipment for the roof collapse of the steel structure of the building, according to claim 3,
the inverted Y-shaped support (4) comprises an inverted Y-shaped support column (18) and a fifth flange (19), wherein the fifth flange (19) is fixedly connected with the inverted Y-shaped support column (18) and sleeved on the outer surface wall of the inverted Y-shaped support column (18).
5. The jacking repair equipment for the roof collapse of the steel structure of the building, according to claim 4,
the jacking repair equipment for the roof collapse of the building steel structure further comprises a plurality of stiffening plates (20), wherein each stiffening plate (20) is fixedly connected with the corresponding profile steel secondary beam (7) and is located on one side of the corresponding profile steel secondary beam (7).
6. The jacking repair equipment for the roof collapse of the construction steel structure as claimed in claim 5,
the jacking repair equipment for the collapse of the building steel structure roof further comprises a jack (21), wherein the jack (21) is arranged above the large steel plate base plate (3) and is located between two branches of the inverted Y-shaped support (4).
7. The construction method for building steel structure roof collapse jacking repair equipment according to claim 6, comprising the following steps:
positioning a supporting point;
mounting an upper upright post;
mounting a Y-shaped support;
mounting a lower upright post;
mounting an inverted Y-shaped support;
fixing a large steel plate base plate;
the jack is installed in place;
installing a steel plate base plate and a steel wedge;
connecting and installing a PLC jacking system;
debugging a PLC system;
jacking in a trial manner;
asynchronous jacking;
jacking and restoring the steel roof to the original shape;
the jack support is changed into a rigid support;
cutting off the rod piece to be replaced;
welding a new rod piece;
removing the temporary support system;
and (5) stressing the steel truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559864.3A CN114182978A (en) | 2021-12-20 | 2021-12-20 | Construction method and equipment for building steel structure roof collapse jacking repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559864.3A CN114182978A (en) | 2021-12-20 | 2021-12-20 | Construction method and equipment for building steel structure roof collapse jacking repair |
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|---|---|
| CN114182978A true CN114182978A (en) | 2022-03-15 |
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| CN202111559864.3A Pending CN114182978A (en) | 2021-12-20 | 2021-12-20 | Construction method and equipment for building steel structure roof collapse jacking repair |
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| CN (1) | CN114182978A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392600A (en) * | 2007-09-20 | 2009-03-25 | 贵阳铝镁设计研究院 | Trussed-beam steel beam reinforcing structure |
| CN102235096A (en) * | 2010-04-22 | 2011-11-09 | 上海市第七建筑有限公司 | Construction method for adding back shore through carrying out unilateral unloading on steel truss roof |
| US20170067215A1 (en) * | 2014-05-02 | 2017-03-09 | Soletanche Freyssinet S.A.S. | Method of enlarging the space beneath a masonry arch bridge, and a masonry arch bridge |
| CN112502471A (en) * | 2020-12-30 | 2021-03-16 | 中国电建集团河南省电力勘测设计院有限公司 | Steel frame structure joist column pulling transformation and reinforcement method and structure |
| CN214462833U (en) * | 2020-12-11 | 2021-10-22 | 云南省建筑科学研究院有限公司 | Assembled support frame capable of realizing zero displacement of upper structure |
| CN113622703A (en) * | 2021-08-18 | 2021-11-09 | 中国矿业大学 | Method for reforming and reinforcing prestressed reinforced concrete beam |
-
2021
- 2021-12-20 CN CN202111559864.3A patent/CN114182978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392600A (en) * | 2007-09-20 | 2009-03-25 | 贵阳铝镁设计研究院 | Trussed-beam steel beam reinforcing structure |
| CN102235096A (en) * | 2010-04-22 | 2011-11-09 | 上海市第七建筑有限公司 | Construction method for adding back shore through carrying out unilateral unloading on steel truss roof |
| US20170067215A1 (en) * | 2014-05-02 | 2017-03-09 | Soletanche Freyssinet S.A.S. | Method of enlarging the space beneath a masonry arch bridge, and a masonry arch bridge |
| CN214462833U (en) * | 2020-12-11 | 2021-10-22 | 云南省建筑科学研究院有限公司 | Assembled support frame capable of realizing zero displacement of upper structure |
| CN112502471A (en) * | 2020-12-30 | 2021-03-16 | 中国电建集团河南省电力勘测设计院有限公司 | Steel frame structure joist column pulling transformation and reinforcement method and structure |
| CN113622703A (en) * | 2021-08-18 | 2021-11-09 | 中国矿业大学 | Method for reforming and reinforcing prestressed reinforced concrete beam |
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