CN115075605B - Construction method of old house reconstruction structure and old house reconstruction structure - Google Patents
Construction method of old house reconstruction structure and old house reconstruction structure Download PDFInfo
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- CN115075605B CN115075605B CN202210789056.4A CN202210789056A CN115075605B CN 115075605 B CN115075605 B CN 115075605B CN 202210789056 A CN202210789056 A CN 202210789056A CN 115075605 B CN115075605 B CN 115075605B
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 292
- 239000010959 steel Substances 0.000 claims abstract description 292
- 238000003466 welding Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 9
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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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
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
-
- 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
- E04G23/0266—Enlarging
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application discloses a construction method of an old house reconstruction structure and the old house reconstruction structure, which relate to the field of building construction and comprise the following steps: the method comprises the steps of installing the pull beams, and fixedly connecting a plurality of pull beams on a roof plate of an original building body to be used as a support for whole house reconstruction; hoisting steel suspenders, connecting a plurality of steel suspenders with the pulled beam, and uniformly distributing the steel suspenders in the original building body; paving an intermediate floor support plate, and constructing the intermediate floor support plate by taking the steel suspenders as supports; and paving a top floor support plate, wherein the top floor support plate is paved by taking the tensile beam as a structural beam. The mode of construction from top to bottom is adopted in this application, helps reducing the destruction to former building body, and helps improving the efficiency that old room reformed transform, shortens construction cycle.
Description
Technical Field
The application relates to the field of building construction, in particular to a construction method of an old house reconstruction structure and the old house reconstruction structure.
Background
At present, when old houses such as office buildings or markets are reformed, as the old houses have hollow spaces similar to courtyards, a multi-layer structure is required to be built in the old houses to utilize the space, and then a foundation is required to be firstly built and then the old houses are built layer by layer upwards on the foundation.
However, the inventor believes that the foundation is generally formed by breaking a layer of bottom plate or a bottom plate of an underground space, then using the upright posts as supports, and modifying the floor by floor upwards, which can cause great damage to the original building and is troublesome.
Disclosure of Invention
In order to reduce damage to an original building body and improve the efficiency of old house reconstruction, the application provides a construction method of an old house reconstruction structure and the old house reconstruction structure.
The application provides a construction method of an old house reconstruction structure, which adopts the following technical scheme: the method comprises the following steps:
s1, installing a pull beam, and fixedly connecting a plurality of pull beams on a roof plate of an original building body to be used as a support for whole house reconstruction;
s2, hoisting steel suspenders, connecting a plurality of steel suspenders with the pulled beam, and uniformly distributing the steel suspenders in the original building body;
s3, paving an intermediate floor support plate, and constructing the intermediate floor support plate by taking the steel suspender as a support.
S4, paving a top floor support plate, wherein the top floor support plate is paved by taking the tensile beam as a structural beam.
Through adopting above-mentioned technical scheme, during the construction, need not destroy the foundation of former building body, directly start the construction downwards from the top of former building body, help reducing the damage to former building body, and the efficiency of construction is higher, helps reducing whole construction period, has saved the cost of labor, and more energy-concerving and environment-protective.
Preferably, before the step S2, an electric hoist or manual nursing is installed on the pulled beam, the steel hanger rod is hoisted, then a first steel plate is welded below the pulled beam and is in plug-in connection fit with a plug-in clearance between two second steel plates of the steel hanger rod, and then bolts are utilized to sequentially penetrate through one of the second steel plates, the first steel plate and the other second steel plate and are fixed through nuts.
Through adopting above-mentioned technical scheme, utilize bolted connection of first steel sheet and second steel sheet, realize the fixed connection between the girder under tension and the steel jib.
Preferably, the middle building carrier plate is supported by a plurality of steel beams, before step S3, the steel beams are hoisted by utilizing an electric hoist and a manual hoist, two flanges are welded at positions corresponding to the steel suspenders, a first steel clamping plate is welded between the two flanges, a second steel clamping plate is welded at one side of the steel beams connected with the steel suspenders, the first steel clamping plate and the second steel clamping plate are attached to each other and are connected through bolts, in addition, the connection part between the original building body and the steel beams is fixedly connected with the steel beams by utilizing a rear embedded part, then steel bars are bound, concrete is poured, and the middle building carrier plate is formed.
Through adopting above-mentioned technical scheme, first steel splint and second steel splint pass through bolted connection, realize the connection between girder steel and the steel jib, then carry out the ligature reinforcing bar again, pour concrete, after the concrete cooling shaping, realize the shaping of intermediate floor carrier plate promptly.
Preferably, the intermediate floor carrier plate is provided with one or more layers, and when the intermediate floor carrier plate is one layer, the intermediate floor carrier plate is arranged at the lower end of the steel suspender, and when the intermediate floor carrier plate is multiple layers, one of the intermediate floor carrier plates is arranged at the lower end of the steel suspender, and other intermediate floor carrier plates are uniformly arranged at the middle part of the steel suspender.
Through adopting above-mentioned technical scheme, no matter how many layers need to be built, there is the one deck to be located the lower extreme of steel jib all the time, helps preventing that the steel jib from stretching out unnecessary part, needs the later stage to repair, helps improving the efficiency of construction promptly.
The application also provides a structure is reformed into to old house, adopts following technical scheme:
the utility model provides a structure is built to old house, includes former building body, receives the roof beam, steel jib and middle building carrier plate, it is provided with a plurality of and interval distribution on the roof slab of former building body to receive the roof beam, the steel jib is provided with a plurality of, the steel jib is vertical setting and is connected with receiving the roof beam, the steel jib is evenly distributed, middle building carrier plate is provided with one or more, just middle building carrier plate and steel jib and former building body coupling.
Through adopting above-mentioned technical scheme, in actual old house reconstruction project, at first fixed a plurality of atress roof beams on the roof slab of former building body, play the effect of main atress, then fixed steel jib and atress roof beam, steel jib evenly distributed is internal at former building for the atress is even, then fixes the intermediate building carrier plate on the steel jib, and the intermediate building carrier plate can be with the internal rear-mounted buried part fixed connection of former building in addition, realizes the installation of intermediate building carrier plate, if need carry out the multilayer construction, the intermediate building carrier plate sets up a plurality ofly, then carries out the construction from last down in proper order. By utilizing the method to reconstruct the old house, the base plate of the original building body is not required to be damaged to carry out foundation construction, namely, the method is beneficial to reducing the damage to the original building body, and in addition, compared with the original mode of construction from bottom to top, the method is higher in construction efficiency, short in construction period and more environment-friendly.
Preferably, the lower side of the tensile beam is connected with a first steel plate, two second steel plates arranged at intervals are formed on the upper side of the steel suspender, an inserting gap is formed between the two second steel plates, the first steel plate is inserted into the inserting gap, and the two second steel plates are connected with the first steel plate through bolts.
Through adopting above-mentioned technical scheme, in practice, can weld first steel sheet in the corresponding position of straining beam, then utilize first steel sheet and two second steel sheet bolted connection, realize the fixed connection of steel jib and straining beam promptly.
Preferably, the upper side of the steel suspender is connected with a horizontal steel plate, two second steel plates are connected above the horizontal steel plate, and a plurality of reinforcing ribs are arranged between the steel suspender and the horizontal steel plate at intervals.
Through adopting above-mentioned technical scheme, in practice, if need reform transform the multilayer floor, the length of steel jib can be longer, consequently welds a plurality of stiffening ribs between horizontal steel sheet and steel jib, helps improving holistic structural strength.
Preferably, the structural layer of the middle floor support plate consists of a plurality of steel beams, a plurality of connecting pieces are arranged on the periphery of the steel suspender, the number of the connecting pieces corresponds to the number of floors to be constructed, and the connecting pieces are mechanically connected with the steel beams.
Through adopting above-mentioned technical scheme, in fact, after the steel jib is installed, utilize connecting piece and girder steel fixed, wherein carry out welded fastening with former building body coupling's girder steel and utilize traditional rearmounted buried part, and then realize the installation of the structural layer of middle building carrier plate and lay, then carry out the laying of the panel of both sides again, accomplish the construction of middle building carrier plate, when needing to carry out multilayer floor construction, only need set up the connecting piece that corresponds quantity on the vertical direction of steel jib can realize.
Preferably, the connecting piece comprises two flanges arranged at the periphery of the steel suspender at intervals and a plurality of first steel clamping plates arranged between the two flanges, the first steel clamping plates are welded on the steel suspender and the flanges, one end of the steel beam is welded with a second steel clamping plate, and the second steel clamping plate is mechanically fixed with the corresponding first steel clamping plate.
Through adopting above-mentioned technical scheme, utilize the mechanical fixation between second steel splint and the first steel splint, realize the connection of girder steel and steel jib, in addition, first steel splint simultaneously with steel jib and edge of a wing welded fastening, help improving overall structure's joint strength.
Preferably, the first steel clamping plate is provided with a plug-in groove, and the second steel clamping plate is in plug-in fit with the plug-in groove.
Through adopting above-mentioned technical scheme, utilize second steel splint and grafting groove grafting cooperation, then fixed second steel splint and first steel splint, this mode has increased, the area of contact of first steel splint and second steel splint helps improving this connected node's structural strength, in addition, utilize the grafting groove to play the effect of direction to second steel splint, when second steel splint gets into the grafting inslot, the direct overlap joint is in the cell wall, is fixed in advance, is convenient for carry out later mechanical fixation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method has the advantages that the pull beam is connected with the roof plate of the original building body, the steel suspender is connected with the pull beam, the middle building supporting plate is paved finally, the building is modified in a construction mode from top to bottom, the foundation of the original building body is not required to be damaged, the damage to the original building body is reduced, and in addition, compared with a traditional construction mode from bottom to top, the construction mode has higher construction efficiency, shorter construction period and more environmental protection;
2. the first steel plate is in plug-in fit with the plug-in gap, plays a role in guiding the first steel plate, increases the contact area of the first steel plate and the second steel plate, and is beneficial to improving the connection strength of the steel suspender and the tensile beam;
3. the first steel splint and the grafting groove are pegged graft and are cooperated, play the fixed effect in advance of direction to first steel splint, and increased the area of connection of first steel splint and second steel splint, help improving the joint strength between girder steel and the steel jib.
Drawings
FIG. 1 is a flow chart of a construction method of an old house retrofit structure of the present application;
FIG. 2 is a schematic diagram of the overall structure of an old house retrofit structure according to an embodiment of the present application;
FIG. 3 is a side view of FIG. 1 of the present application;
fig. 4 is a schematic structural diagram of a portion of the first embodiment of the present application, which mainly shows a connection relationship between a first steel plate and a second steel plate;
FIG. 5 is a schematic view of a part of the structure of the first embodiment of the present application, mainly showing the connection relationship between the first steel clamping plate and the second steel clamping plate;
FIG. 6 is a graph of connecting nodes between a steel beam and an original building in the first embodiment of the application;
fig. 7 is a schematic view of a part of the structure of the second embodiment of the present application, which mainly shows the structure of the plugging slot.
Reference numerals: s1, installing a tensile beam; s2, hoisting a steel suspender; s3, paving a middle floor support plate; s4, paving a top floor support plate; A. installing an electric hoist; B. hoisting the cross beam; C. dismantling an electric hoist; 1. an original building body; 2. a tensile beam; 3. a steel boom; 4. a middle floor support plate; 41. a steel beam; 5. a first steel plate; 6. a horizontal steel plate; 61. a second steel plate; 62. reinforcing ribs; 7. a plug-in gap; 8. a connecting piece; 81. a flange; 82. a first steel clamping plate; 83. a plug-in groove; 9. a second steel clamping plate; 10. an electric hoist; 20. a chemical bolt; 30. angle steel; 40. and running the sports car.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
The application discloses a construction method of an old house reconstruction structure.
Referring to fig. 1, the construction method of the old house-changing structure includes the steps of:
s1, installing a pull beam 2, and connecting a plurality of pull beams 2 on a roof plate of an original building body 1 along the same direction;
A. an electric hoist 10 is installed, and the electric hoist 10 or a manual hoist is installed on the pull beam 2;
s2, hoisting the steel suspenders 3 by using an electric hoist 10 or a manual hoist, and connecting a plurality of steel suspenders 3 with the pulled beam 2, so that the steel suspenders 3 are uniformly distributed in the original building body 1;
B. hoisting the cross beam, hoisting the cross beam by using an electric hoist 10 or a manual hoist, and connecting and fixing the steel beam 41, the steel suspender 3 and the original building body 1;
s3, paving an intermediate floor support plate 4, taking the steel beam 41 as a structural support, binding steel bars, pouring concrete, and forming the intermediate floor support plate 4;
1. dismantling the electric hoist 10;
s4, paving a top floor support plate, taking the tensile beam 2 as a structural support, binding reinforcing steel bars, pouring concrete, and forming the top floor support plate.
In practice, hoisting equipment still can adopt hand block, in order to improve work efficiency, adopts electric block 10 in this application, helps improving the convenience of the transportation of material, and has practiced thrift economy and time cost.
The pull beam 2 is arranged as I-steel, the electric hoist 10 is installed to work together with the running carriage 40, the running carriage 40 is firstly installed on the I-steel, the size of the running carriage 40 is consistent with the model of the electric hoist 10, the wheels of the running carriage 40 are adjusted according to the width of the I-steel, the distance between the wheels of the running carriage 40 is firstly increased and is larger than the width of the I-steel, then the wheels of the running carriage 40 are wrapped on the I-steel, and then the wheels of the running carriage 40 are adjusted to be stably clamped on the I-steel; the width of the running car wheel is adjusted again to ensure that the running car wheel can run smoothly on the I-steel, and then the electric hoist 10 is hung below the running car 40, so that the running car 40 drives the electric hoist 10 to walk left and right.
The pull beam 2 is lapped above the hollow position of the original building body 1, then the pull beam 2 is fixedly connected with a concrete column on the periphery of the original building body 1, the pull beam 2 is fixed, a first steel plate 5 is welded below the pull beam 2 before the steel suspender 3 is connected with the pull beam 2, so that the pull beam 2 is spliced with a splicing gap 7 between two second steel plates 61 at the upper end of the steel suspender 3, and then the pull beam 2 is connected with the steel suspender 3 by bolts.
In addition, the middle floor support plate 4 is supported by a plurality of steel beams 41, a plurality of cross beams 41 are distributed in a staggered manner, the middle floor support plate 4 is paved by the steel beams 41, two flanges 81 which are arranged at intervals along the vertical direction are welded at positions corresponding to the steel suspenders 3, a first steel clamping plate 82 is welded between the two flanges 81 of the steel suspenders 3, a second steel clamping plate 9 is welded at one end of each steel beam 41, the first steel clamping plate 82 and the second steel clamping plate 9 are fixed through bolts, the fixation between the steel beams 41 and the steel suspenders 3 is achieved, the steel beams 41 close to the original floor body 1 are fixed through welding with rear embedded parts, the rear embedded parts adopt chemical bolts 20, the chemical bolts 20 are implanted into the original floor body 1, then the chemical bolts 20 are fixed with one angle steel 30, after the steel beams 41 and the angle steel 30 are welded and fixed, the fixation between the steel beams 41 and the original floor body 1 is achieved, the steel bars are bound again, concrete is poured, and the middle floor support plate 4 is molded.
And then the electric hoist 10 is removed, a final procedure is carried out, the pull beam 2 is taken as a structural beam, steel bars are bound, concrete is poured, the forming mode is the same as that of the middle floor support plate 4, and then the top floor support plate is formed, so that the completion of the whole project is realized.
In addition, if the middle floor support plate 4 is one layer, the middle floor support plate 4 is arranged at the lower end of the steel suspender 3; if the intermediate floor support plates 4 are arranged in multiple layers, one of the intermediate floor support plates 4 is positioned at the lower end of the steel suspender 3, and the other intermediate floor support plates 4 are uniformly distributed at the middle part of the steel suspender 3. That is, the lower end of the steel suspender 3 does not need to be subjected to subsequent treatment, and the method is convenient and quick.
The embodiment of the application also discloses an old house reconstruction structure.
Example 1
Referring to fig. 2, 3 and 4, the old house reconstruction structure comprises an original building body 1, a pull-out beam 2, steel suspenders 3 and a middle building carrier plate 4, wherein the original building body 1 is an old building body which needs to be reconstructed, a plurality of pull-out beams 2 are arranged and are fixed above the original building body 1 along the same direction, and the pull-out beams 2 are fixed with concrete columns on the periphery of the original building body 1 to realize the installation and fixation of the pull-out beams 2; the steel jib 3 also is provided with a plurality ofly, and steel jib 3 and the mechanical connection of beam 2 that receives, and steel jib 3 evenly distributed is in former building body 1, and intermediate floor carrier plate 4 is provided with one or more, if intermediate floor carrier plate 4 sets up to one, then intermediate floor carrier plate 4 sets up at the bottommost of steel jib 3, if intermediate floor carrier plate 4 sets up to a plurality of, then one of them sets up at the bottommost of steel jib 3, and other intermediate floor carrier plate 4 evenly distributed is at the middle part of steel jib 3.
In the actual construction process, the pull beam 2 is fixed on the original building body 1, then the electric hoist 10 or the manual hoist is installed on the pull beam 2, the steel suspender is hoisted, the steel suspender 3 and the pull beam 2 are fixed, then the middle building carrier plate 4 is paved, after the electric hoist 10 is completed, the original building body 1 takes the pull beam 2 as a structural forming top building carrier plate, the old building is structurally changed, the construction is carried out downwards from the top of the original building body 1, and the traditional construction mode from bottom to top is changed, the structure of the application is constructed from top to bottom, the foundation of the original building body 1 does not need to be damaged, the support is not needed to be carried out upwards from the ground, the damage to the original building body 1 is reduced, in the actual construction process, the structure is higher in efficiency, the construction period is short, and the structure is more environment-friendly.
Referring to fig. 2, 3 and 4, a first steel plate 5 is welded and fixed to the lower side of the tensile beam 2, a horizontal steel plate 6 is welded and fixed to the upper side of the steel hanger rod 3, two second steel plates 61 are welded and fixed to the upper side of the horizontal steel plate 6, the two second steel plates 61 are distributed at intervals, an insertion gap 7 is formed between the two second steel plates 61, the first steel plate 5 is in insertion fit with the insertion gap 7, and the first steel plate 5 and the second steel plates 61 are fixedly connected through bolts.
In the actual construction process, after the tensile beam 2 is installed, the first steel plate 5 is welded at a proper position, and can be welded before the tensile beam 2 is installed, and similarly, the steel suspender 3 is welded, then the first steel plate 5 is inserted into the insertion gap 7 between the two second steel plates 61, on one hand, the insertion of the first steel plate 5 and the insertion gap 7 is utilized to help to play a guiding role in the matching of the steel suspender 3 and the tensile beam 2, and on the other hand, the first steel plate 5 is positioned between the two second steel plates 61 to help to improve the contact area of the two steel plates, and further to help to improve the subsequent connection strength.
In addition, a plurality of stiffening ribs 62 have been welded to the downside of horizontal steel sheet 6, and stiffening rib 62 is provided with four in this application, and four stiffening rib 62 interval distribution are in steel jib 3 week side to with steel jib 3 welded fastening, utilize stiffening rib 62, help strengthening the structural strength between horizontal steel sheet 6 and the steel jib 3, help further improving the joint strength of steel jib 3 and tensile beam 2 promptly.
Referring to fig. 2 and 5, after the steel hanger rod 3 is installed, the middle floor support plate 4 needs to be paved at this time, the structural layer of the middle floor support plate 4 is composed of a plurality of steel beams 41, firstly, the steel hanger rod 3 needs to be paved with the steel beams 41 first, one or more connecting pieces 8 are arranged along the vertical direction and are used for being connected with the steel beams 41, the number of the connecting pieces 8 corresponds to the number of floors needing to be constructed, and the middle floor support plate 4 and the steel hanger rod 3 are identical in connection mode.
Referring to fig. 5 and 6, the connecting piece 8 includes two flange 81 that the interval set up and a plurality of first steel splint 82 that are located between two flange 81, in this application, first steel splint 82 sets up to four, four first steel splint 82 interval distribution is in the week side of steel jib 3, four first steel splint 82 pass through welded mode and fix on steel jib 3 and flange 81, the one end that girder 41 is connected with steel jib 3 has welded second steel splint 9, in actual connection process, make first steel splint 82 and second steel splint 9 laminate mutually, then utilize a plurality of bolt fastening, can realize the connection between girder 41 and the steel jib 3, wherein girder 41 both ends that are located the middle part all are connected with steel jib 3 through this mode, girder 41 one end that is located the edge is connected with steel jib 3, the other end passes through rear-mounted buries piece and former building body 1 fixed connection, the rear-mounted buries piece adopts chemical bolt 20, utilize chemical bolt 20 to connect an angle steel 30 on former building body, reuse angle steel 30 and girder 41 welded fixedly, realize pouring of girder 41, and after the intermediate bearing plate, 4 is formed to the reinforcing bar.
The implementation principle of the old house reconstruction structure in the embodiment of the application is as follows: in the house reconstruction upgrading project, traditional mode is all from down to up construction, need destroy the ground, then the holistic support is done to the shaping stand, the whole cycle of construction is longer like this, and can produce the damage to former building body 1, and in this application, need not destroy the ground, the original follow is under construction from last, at first, install the girder 2 at former building body 1 top, play the effect of supporting to follow-up intermediate floor carrier plate 4, then install steel jib 3 at girder 2's downside, steel jib 3 plays the effect of stand in the original construction mode, utilize steel jib 3 to hoist intermediate floor carrier plate 4 to support, realize from last decurrent construction mode, do not need to destroy the ground of former building body 1, help reducing the damage to former building body 1, and utilize this mode, the efficiency of construction is high, help reducing holistic construction cycle, the cost of labor is saved, and can not produce great dust, energy-concerving and environment-protective.
Example 2
Referring to fig. 2 and 7, the difference between the present embodiment and embodiment 1 is that the first steel clamping plate 82 is provided with a plugging slot 83, and the second steel clamping plate 9 is plugged and matched with the plugging slot 83 of the first steel clamping plate 82 and then fixed by bolts, so that on one hand, when the first steel clamping plate 82 and the second steel clamping plate 9 are connected, the second steel clamping plate 9 is guided by plugging, and the second steel clamping plate 9 is pre-fixed, so that the subsequent bolt fixing is facilitated; in addition, the contact area of the first steel clamping plate 82 and the second steel clamping plate 9 is increased, which contributes to the improvement of the connection strength of the steel beam 41 and the steel hanger rod 3.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The construction method of the old house reconstruction structure comprises the following steps:
s1, installing a plurality of pull beams (2), and fixedly connecting the pull beams (2) to a roof board of an original building body (1) to be used as a support for whole house reconstruction;
s2, hoisting steel suspenders (3), connecting the plurality of steel suspenders (3) with the tensile beam (2), and uniformly distributing the steel suspenders (3) in the original building body (1);
s3, paving an intermediate floor support plate (4), and constructing the intermediate floor support plate (4) by taking the steel suspender (3) as a support;
s4, paving a top floor support plate, wherein the top floor support plate is paved by taking the tensile beam (2) as a structural beam;
s2, before the step of installing an electric hoist (10) or a manual hoist on the pulled beam (2), carrying out hoisting operation on the steel suspender, then welding a first steel plate (5) below the pulled beam (2), enabling the steel suspender to be in plug-in fit with a plug-in gap (7) between two second steel plates (61) of the steel suspender (3), and then penetrating one of the second steel plates (61), the first steel plate (5) and the other second steel plate (61) in sequence by utilizing bolts, and fixing the steel suspender by nuts;
before step S3, hoisting the steel beams (41) by using an electric hoist (10) and a manual hoist, welding two flanges (81) at positions corresponding to the steel suspenders (3), welding a first steel clamping plate (82) between the two flanges (81), welding a second steel clamping plate (9) at one side of the steel beams (41) connected with the steel suspenders (3), attaching the first steel clamping plate (82) and the second steel clamping plate (9) and connecting the two clamping plates through bolts, and in addition, connecting and fixing the connection part of the original building body (1) and the steel beams (41) by using a rear embedded part and the steel beams (41), binding steel bars after the steel beams (41) are fixed, pouring concrete, and forming the middle building support plate (4);
the middle floor carrier plate (4) is provided with one deck or multilayer, and when middle floor carrier plate (4) is one deck, middle floor carrier plate (4) set up the lower extreme at steel jib (3), and when middle floor carrier plate (4) are the multilayer, one of them middle floor carrier plate (4) set up the lower extreme at steel jib (3), and other middle floor carrier plate (4) even part is in the middle part of steel jib (3).
2. An old house-changing structure applied to the construction method of the old house-changing structure as set forth in claim 1, characterized in that: including former building body (1), atress roof beam (2), steel jib (3) and intermediate building carrier plate (4), atress roof beam (2) are provided with a plurality of and interval distribution on the roof slab of former building body (1), steel jib (3) are provided with a plurality ofly, steel jib (3) are vertical setting and are connected with atress roof beam (2), steel jib (3) are evenly distributed, intermediate building carrier plate (4) are provided with one or more, just intermediate building carrier plate (4) are connected with steel jib (3) and former building body (1).
3. A old house-changing structure according to claim 2, characterized in that: the lower side of the tensile beam (2) is connected with a first steel plate (5), two second steel plates (61) arranged at intervals are formed on the upper side of the steel suspender (3), an inserting gap (7) is formed between the two second steel plates (61), the first steel plate (5) is inserted into the inserting gap (7), and the two second steel plates (61) are connected with the first steel plate (5) through bolts.
4. A old house-changing structure according to claim 3, wherein: the upper side of steel jib (3) is connected with horizontal steel sheet (6), and two second steel sheet (61) all connect in the top of horizontal steel sheet (6), the interval is provided with a plurality of stiffening ribs (62) between steel jib (3) and horizontal steel sheet (6).
5. The old house-altering structure of claim 4, wherein: the structure layer of middle building carrier plate (4) comprises a plurality of girder steel (41), the week side of steel jib (3) is provided with a plurality of connecting pieces (8), the quantity of connecting piece (8) corresponds with the floor number of required construction, connecting piece (8) are connected with girder steel (41) machinery.
6. The old house-altering structure of claim 5, wherein: the connecting piece (8) comprises two flanges (81) arranged on the periphery of the steel suspender (3) at intervals and a plurality of first steel clamping plates (82) arranged between the two flanges (81), the plurality of first steel clamping plates (82) are welded on the steel suspender (3) and the flanges (81), one end of the steel beam (41) is welded with a second steel clamping plate (9), and the second steel clamping plate (9) is mechanically fixed with the corresponding first steel clamping plate (82).
7. The old house-altering structure of claim 6, wherein: the first steel clamping plate (82) is provided with a plug-in groove (83), and the second steel clamping plate (9) is in plug-in fit with the plug-in groove (83).
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| CA218731A (en) * | 1922-05-23 | M. Priest Henry | Concrete building construction | |
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