CN115075605A - 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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- CN115075605A CN115075605A CN202210789056.4A CN202210789056A CN115075605A CN 115075605 A CN115075605 A CN 115075605A CN 202210789056 A CN202210789056 A CN 202210789056A CN 115075605 A CN115075605 A CN 115075605A
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 292
- 239000010959 steel Substances 0.000 claims abstract description 292
- 230000009466 transformation Effects 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 7
- 238000007634 remodeling Methods 0.000 claims 3
- 230000006378 damage Effects 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000009434 installation 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
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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
- E04B1/18—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
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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
- E04B1/38—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
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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
- 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
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- 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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- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- 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, relating to the field of building construction and comprising the following steps: installing tension beams, and fixedly connecting a plurality of tension beams on a roof plate of an original building body to serve as a support for the transformation of the whole building; hoisting steel hanging rods, connecting a plurality of steel hanging rods with the tension beam, and uniformly distributing the steel hanging rods in the original building; laying a middle floor bearing plate, and constructing the middle floor bearing plate by taking the steel hanging rod as a support; laying the top floor bearing plate, and laying the top floor bearing plate by using the tension beam as a structural beam. This application adopts from last mode down of being under construction, helps reducing the destruction to former building body, and helps improving the efficiency that old house was 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 some old houses such as office buildings or markets are reconstructed, because the old houses have hollow spaces similar to patios, a multilayer structure is required to be built in the old houses to utilize the spaces, and at the moment, foundations need to be made first, and then the old houses are built upwards layer by layer on the foundations.
However, the inventor believes that when the foundation is made, the floor of one floor or the floor of the underground space is usually needed to be damaged, then the upright posts are used as supports, and the floor is reformed layer by layer, so that the original building is damaged greatly and is troublesome.
Disclosure of Invention
In order to reduce damage to an original building body and improve old building reconstruction efficiency, the application provides a construction method of an old building reconstruction structure and the old building 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, mounting tension beams, and fixedly connecting a plurality of tension beams on a roof plate of the original building body to serve as a support for the transformation of the whole building;
s2, hoisting steel hanging rods, connecting a plurality of steel hanging rods with the tension beam, wherein the steel hanging rods are uniformly distributed in the original building;
s3, laying a middle floor bearing plate, and constructing the middle floor bearing plate by using the steel hanging rod as a support.
S4, laying the top floor bearing plate by using the tension beam as the structural beam.
Through adopting above-mentioned technical scheme, during the construction, need not destroy the ground of former building body, directly begin 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 energy-concerving and environment-protective more.
Preferably, before the step S2, an electric hoist is mounted on the tension beam or manual nursing is performed, the steel hanging rod is hoisted, then the first steel plate is welded below the tension beam and is in inserted fit with the insertion gap between the two second steel plates of the steel hanging rod, and then the first steel plate, the second steel plate and the other second steel plate are sequentially penetrated through by bolts and fixed by nuts.
Through adopting above-mentioned technical scheme, utilize the bolted connection of first steel sheet and second steel sheet, realize the fixed connection between straining beam and the steel davit.
Preferably, the middle floor bearing plate is supported by a plurality of steel beams, before the step S3, the steel beams are hoisted by an electric hoist and a manual hoist, two flanges are welded at the positions corresponding to the steel hanging rods, 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 hanging rods, the first steel clamping plate and the second steel clamping plate are attached and connected through bolts, in addition, a rear embedded part is used for connecting and fixing the steel beams at the connecting positions of the original floor body and the steel beams, then steel bars are bound, concrete is poured, and the middle floor bearing plate is formed.
Through adopting above-mentioned technical scheme, first splint and second splint pass through bolted connection, realize being connected between girder steel and the steel davit, then carry out the ligature reinforcing bar again, pour the concrete, treat the concrete cooling shaping back, realize the shaping of middle building carrier plate promptly.
Preferably, middle building carrier plate is provided with one deck or multilayer, and when middle building carrier plate was the one deck, middle building carrier plate set up the lower extreme at the steel jib, and when middle building carrier plate was the multilayer, the setting of one of them middle building carrier plate was at the lower extreme of steel jib, and the even part of other middle building carrier plates is at the middle part of steel jib.
Through adopting above-mentioned technical scheme, no matter how many layers need be built, have the one deck to be located the lower extreme of steel jib all the time, help preventing that the steel jib from stretching out unnecessary part, need the later stage to maintain, help improving the efficiency of construction promptly.
The application still provides a structure is reformed transform to old house, adopts following technical scheme:
the utility model provides a structure is reformed transform to old house, includes former building body, supports girder, steel jib and middle building carrier plate, it is provided with a plurality ofly and interval distribution on the roof board of former building body to support the girder steel, the steel jib is provided with a plurality ofly, the steel jib is vertical setting and is connected with the support girder steel, 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 the old house of reality transformation project, at first fixed a plurality of straining beams on the roof board of former building body, play the effect of main atress, then it is fixed with steel jib and straining beam, steel jib evenly distributed is in former building body, make the atress even, then fix the middle building carrier plate on steel jib, middle building carrier plate can bury a fixed connection with the postposition in the former building body in addition, the installation of building carrier plate in the middle of the realization, if need carry out the multilayer construction, then middle building carrier plate sets up a plurality ofly, then down construct from last in proper order. Utilize this mode to carry out old house transformation, the bottom plate that need not destroy former building body carries out the basis and builds, helps reducing the destruction to former building body promptly, utilizes this mode in addition, compares the mode of constructing from up down originally, and efficiency of construction is higher, and construction cycle is short, and environmental protection more.
Preferably, the lower side of the tension beam is connected with a first steel plate, the upper side of the steel suspender is provided with two second steel plates which are arranged at intervals, an inserting gap is formed between the two second steel plates, the first steel plate is inserted into the inserting gap, and the second steel plate is connected with the first steel plate through bolts.
Through adopting above-mentioned technical scheme, in practice, can be at the first steel sheet of the corresponding position welding 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, the two second steel plates are both 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 the reality, if need reform transform multilayer floor, then the length of steel davit can be longer, consequently welds a plurality of stiffening ribs between horizontal steel plate and steel davit, helps improving holistic structural strength.
Preferably, the structural layer of middle floor carrier plate comprises a plurality of girder steels, steel jib week side is provided with a plurality of connecting pieces, the quantity of connecting piece corresponds with the floor number of the required construction, connecting piece and girder steel mechanical connection.
Through adopting above-mentioned technical scheme, in practice, after the steel davit is installed, it is fixed with the girder steel to utilize the connecting piece, wherein utilize traditional rearmounted piece of burying to carry out welded fastening with former building body coupling's girder steel, and then the installation of the structural layer of building carrier plate is laid in the middle of the realization, then carry out the laying of the panel of both sides, the construction of building carrier plate in the middle of the completion, when needing to carry out the construction of multilayer floor, only need set up the connecting piece that corresponds quantity in the vertical direction of steel davit and can realize.
Preferably, the connecting piece contains two intervals and sets up the first steel splint between two edges of a wing and a plurality of two edges of a wing that are located of steel jib week side, and is a plurality of first steel splint welding is on steel jib and edge of a wing, the one end welding of girder steel has second steel splint, second steel splint and the first steel splint mechanical fastening who corresponds.
Through adopting above-mentioned technical scheme, utilize the mechanical fastening 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 splint is provided with an insertion groove, and the second steel splint is in insertion fit with the insertion groove.
Through adopting above-mentioned technical scheme, utilize second splint and inserting groove cooperation of pegging graft, then it is fixed with second splint and first splint, this mode has increased, the area of contact of first splint and second splint helps improving this connected node's structural strength, in addition, utilize the inserting groove to play the effect of direction to the second splint, when the second splint gets into the inserting groove in, direct overlap joint is in the cell wall, fix in advance, be convenient for carry out the mechanical fastening of back.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method is characterized in that a tension beam is connected with a roof plate of an original building body, then a steel suspension rod is connected on the tension beam, finally a middle floor bearing plate is laid, a construction mode from top to bottom is adopted, the house is reformed by using the mode, the foundation of the original building body does not need to be damaged, namely, the damage to the original building body is reduced, and in addition, compared with the traditional construction mode from bottom to top, the construction mode has the advantages of higher construction efficiency, shorter construction period and more environmental protection;
2. the first steel plate is in plug fit with the plug gap, so that the first steel plate is guided, the contact area between the first steel plate and the second steel plate is increased, and the connection strength between the steel hanger rod and the tension beam is improved;
3. first steel splint and inserting groove are pegged graft and are cooperated, play the effect that the direction was fixed in advance to first steel splint, and have increased the connection area of first steel splint and second steel splint, help improving the joint strength between girder steel and the steel davit.
Drawings
FIG. 1 is a flow chart of a construction method of an old house reconstruction structure according to the present application;
fig. 2 is a schematic overall structure diagram of an old house modification 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 partial schematic structural view of a 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 partial structural schematic view of a first embodiment of the present application, which mainly shows the connection relationship between a first steel clamping plate and a second steel clamping plate;
FIG. 6 is a diagram of a connection node between a steel beam and an original building according to an embodiment of the present invention;
fig. 7 is a schematic partial structural view of an embodiment of the present application, which mainly shows a structure of a plugging slot.
Reference numerals: s1, mounting a tension beam; s2, hoisting a steel suspender; s3, laying a middle floor support plate; s4, laying a top floor support plate; A. installing an electric hoist; B. hoisting the beam; C. dismantling the electric hoist; 1. an original building body; 2. a tension beam; 3. a steel boom; 4. a middle floor deck; 41. a steel beam; 5. a first steel plate; 6. a horizontal steel plate; 61. a second steel plate; 62. reinforcing ribs; 7. a splicing gap; 8. a connecting member; 81. a flange; 82. a first steel splint; 83. inserting grooves; 9. a second steel splint; 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 with reference to figures 1-7.
The application discloses a construction method for an old house reconstruction structure.
Referring to fig. 1, the construction method of the old house reconstruction structure includes the following steps:
s1, installing the tension beams 2, and connecting the tension beams 2 on the roof plate of the 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 tension beam 2;
s2, hoisting the steel suspenders 3 by using the electric hoist 10 or the manual hoist, and connecting the steel suspenders 3 with the tension beam 2 to ensure that the steel suspenders 3 are uniformly distributed in the original building 1;
B. hoisting the beam, namely hoisting the beam by using the electric hoist 10 or the manual hoist, and connecting and fixing the steel beam 41, the steel hoisting rod 3 and the original building body 1;
s3, paving the middle floor support plate 4, using the steel beam 41 as a structural support, then binding steel bars, pouring concrete, and forming the middle floor support plate 4;
1. dismantling the electric hoist 10;
s4, laying the top floor bearing plate, using the tension beam 2 as a structural support, then binding steel bars, pouring concrete and forming the top floor bearing plate.
In practice, hoisting equipment still can adopt the 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 tension beam 2 is set as an I-shaped steel, the electric hoist 10 needs to be installed to work together with the running car 40, the running car 40 is installed on the I-shaped steel, the size of the running car 40 is consistent with the model of the electric hoist 10, wheels of the running car 40 are adjusted according to the width of the I-shaped steel, the distance between the wheels of the running car 40 is firstly increased and is larger than the width of the I-shaped steel, then the wheels of the running car 40 are wrapped on the I-shaped steel, and the wheels of the running car 40 are adjusted to be stably clamped on the I-shaped steel; the width of sports car wheel is adjusted once more and smooth operation on the I-steel is guaranteed to it, hangs electric block 10 below operation sports car 40 again, realizes that operation sports car 40 drives the walking about of electric block 10.
The tension beam 2 is lapped above the hollow position of the original building body 1, then the tension beam 2 is fixedly connected with the concrete columns on the periphery of the original building body 1, the tension beam 2 is fixed, before the steel hanging rod 3 is connected with the tension beam 2, the first steel plate 5 is welded below the tension beam 2 to be spliced with the splicing gap 7 between the two second steel plates 61 at the upper end of the steel hanging rod 3, and then the steel hanging rod 3 is fixed by using bolts, so that the connection of the steel hanging rod 3 and the tension beam 2 is realized.
In addition, the middle floor bearing plate 4 is supported by a plurality of steel beams 41, the plurality of cross beams 41 are distributed in a staggered manner, the laying of the middle floor bearing plate 4 is firstly to lay the steel beams 41, two flanges 81 which are arranged at intervals along the vertical direction are welded on the positions corresponding to the steel hanging rods 3, a first steel clamping plate 82 is welded between the two flanges 81 of the steel hanging rod 3, one end of each steel beam 41 is welded with a second steel clamping plate 9, the first steel clamping plate 82 and the second steel clamping plate 9 are fixed through bolts to realize the fixing between the steel beam 41 and the steel hanging rod 3, the steel beam 41 close to the original building body 1 is welded and fixed with a rear embedded part, the rear embedded part adopts the chemical bolt 20, the chemical bolt 20 is embedded into the original building body 1, then the chemical bolt 20 is fixed with one angle steel 30, the steel beam 41 and the angle steel 30 are welded and fixed to realize the fixing between the steel beam 41 and the original building body 1, and after the laying of the steel beam 41 is finished, and binding the steel bars, pouring concrete and forming the middle floor bearing plate 4.
And then the electric hoist 10 is dismantled, the last procedure is carried out, the tension beam 2 is used as a structural beam, reinforcing steel bars are bound, concrete is poured in the same way as the middle floor bearing plate 4, and then the top floor bearing plate is formed, so that the completion of the whole project is realized.
In addition, if the middle floor bearing plate 4 is a layer, the middle floor bearing plate 4 is arranged at the lower end of the steel suspender 3; if middle building carrier plate 4 sets up to the multilayer, then one of them middle building carrier plate 4 is located the lower extreme of steel jib 3, and other middle building carrier plates 4 evenly distributed are at the middle part of steel jib 3. The lower end of the steel hanging rod 3 does not need to be subjected to subsequent treatment, and the steel hanging rod is convenient and fast.
The embodiment of the application also discloses an old house reconstruction structure.
Example 1
Referring to fig. 2, 3 and 4, the old building reconstruction structure comprises an original building body 1, a tension beam 2, a steel lifting rod 3 and a middle floor support plate 4, wherein the original building body 1 is an old building body to be reconstructed, a plurality of tension beams 2 are arranged and fixed above the original building body 1 along the same direction, and the tension beams 2 are fixed with concrete columns on the peripheral sides of the original building body 1 to realize the installation and fixation of the tension beams 2; steel jib 3 also is provided with a plurality ofly, steel jib 3 and 2 mechanical connections of tension beam, and 3 evenly distributed of steel jib are in former building body 1, and middle building carrier plate 4 is provided with one or more, if middle building carrier plate 4 sets up to one, then middle building carrier plate 4 sets up the lower extreme at steel jib 3, if middle building carrier plate 4 sets up to a plurality ofly, then one of them sets up the lower extreme at steel jib 3, 4 evenly distributed of all the other middle building carrier plates are at the middle part of steel jib 3.
In the actual work progress, earlier fix the straining beam 2 on former building body 1, later install electric block 10 or hand block on straining beam 2, hoist the operation to the steel hanger bar, it is fixed with steel hanger bar 3 and straining beam 2, later in going on laying of intermediate floor carrier plate 4, after accomplishing, demolish electric block 10, former building body 1 uses straining beam 2 as structure shaping top floor carrier plate, this old house reforms transform the structure, be from the top of former building body 1 construction downwards, change the mode of building from the top down of traditional past, the structure of this application, from last construction down, need not destroy with former building body 1's basis, and need not upwards do the support from ground, help reducing the damage to former building body 1, and this structure is in the actual work progress, higher efficiency, the time limit for a project is short, and environmental protection more.
Referring to fig. 2, 3 and 4, the lower side of the tension beam 2 is welded and fixed with a first steel plate 5, the upper side of the steel hanging rod 3 is welded and fixed with a horizontal steel plate 6, the upper side of the horizontal steel plate 6 is welded and fixed with two second steel plates 61, the two second steel plates 61 are distributed at intervals, an inserting gap 7 is formed between the two second steel plates 61, the first steel plate 5 is inserted and matched with the inserting gap 7, and the first steel plate 5 is fixedly connected with the second steel plates 61 through bolts.
In the actual work progress, after the straining beam 2 is installed, weld first steel sheet 5 in suitable position, also can weld before the straining beam 2 is installed, and in the same way, carry out welding operation to steel davit 3, then peg graft in the grafting clearance 7 between two second steel sheets 61 first steel sheet 5, on the one hand, utilize grafting of first steel sheet 5 and grafting clearance 7, help playing the guide effect to the cooperation of steel davit 3 and straining beam 2, on the other hand, first steel sheet 5 is located between two second steel sheets 61, help improving area of contact between them, and then help improving subsequent joint strength.
In addition, a plurality of stiffening ribs 62 are welded to the lower side of the horizontal steel plate 6, the number of the stiffening ribs 62 is four, the four stiffening ribs 62 are distributed on the periphery of the steel hanging rod 3 at intervals and are welded and fixed with the steel hanging rod 3, and the stiffening ribs 62 are utilized to contribute to strengthening the structural strength between the horizontal steel plate 6 and the steel hanging rod 3, namely, further improve the connection strength between the steel hanging rod 3 and the supporting steel beam.
Referring to fig. 2 and 5, after the steel jib 3 is installed, lay of middle building carrier plate 4 this moment need be carried out, the structural layer of middle building carrier plate 4 comprises a plurality of girder steels 41, at first need carry out the laying of girder steel 41 earlier, steel jib 3 is provided with one or more connecting piece 8 along vertical direction, be used for being connected with girder steel 41, the quantity of connecting piece 8 is corresponding with the floor quantity of required construction, because middle building carrier plate 4 is the same with steel jib 3's connected mode, this application explains explanation with middle building carrier plate 4 and a connecting piece 8 as an example, middle building carrier plate 4 installs the lower extreme at steel jib 3 this moment, connecting piece 8 sets up the lower extreme at steel jib 3.
Referring to fig. 5 and 6, the connecting member 8 includes two flanges 81 disposed at intervals and a plurality of first steel clamping plates 82 disposed between the two flanges 81, in this application, the number of the first steel clamping plates 82 is four, the four first steel clamping plates 82 are disposed at intervals around the steel boom 3, the four first steel clamping plates 82 are fixed on the steel boom 3 and the flanges 81 by welding, the second steel clamping plate 9 is welded at one end of the steel beam 41 connected to the steel boom 3, during the actual connection process, the first steel clamping plates 82 and the second steel clamping plates 9 are attached to each other, and then the steel beam 41 and the steel boom 3 are connected by using a plurality of bolts, wherein both ends of some of the steel beam 41 disposed in the middle portion are connected to the steel boom 3 by this way, one end of the steel beam 41 disposed in the edge is connected to the steel boom 3, the other end is fixedly connected to the original building body 1 by a rear buried member, the rear buried member is a chemical bolt 20, utilize chemical bolt 20 bolted connection angle steel 30 on former building body, reuse angle steel 30 and girder steel 41 welded fastening, realize the fixed mounting of girder steel 41, later ligature reinforcing bar to concrete is poured, building carrier plate 4 in the middle of the shaping.
The implementation principle of the old house reconstruction structure in the embodiment of the application is as follows: in the house improvement and upgrade project, the traditional mode is that construction is carried out from bottom to top, the foundation is required to be damaged, then the formed upright post is used for integrally supporting, so that the whole construction period is longer, and the original building body 1 can be damaged, in the application, the foundation is not required to be damaged, the pioneering construction is carried out from top to bottom, firstly, the tension beam 2 is installed at the top of the original building body 1, the subsequent middle building bearing plate 4 is supported, then, the steel suspender 3 is installed at the lower side of the tension beam 2, the steel suspender 3 plays the role of the upright post in the original construction mode, the steel suspender 3 is used for lifting and supporting the middle building bearing plate 4, the construction mode from top to bottom is realized, the foundation of the original building body 1 is not required to be damaged, the damage to the original building body 1 is reduced, and by using the mode, the construction efficiency is high, the whole construction period is reduced, the labor cost is saved, and can not produce larger dust, energy-conserving environmental protection.
Example 2
Referring to fig. 2 and 7, the embodiment is different from embodiment 1 in that a splicing groove 83 is formed in a first steel clamping plate 82, and a second steel clamping plate 9 is spliced and matched with the splicing groove 83 of the first steel clamping plate 82 and then fixed by a bolt, in this way, on one hand, when the first steel clamping plate 82 is connected with the second steel clamping plate 9, the second steel clamping plate 9 is guided by splicing, and the second steel clamping plate 9 is pre-fixed, so that the subsequent bolt fixing is facilitated; in addition, the contact area between the first steel clamping plate 82 and the second steel clamping plate 9 is increased, and the connection strength between the steel beam 41 and the steel hanging rod 3 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A construction method for an old house reconstruction structure comprises the following steps:
s1, installing the tension beams (2), and fixedly connecting the tension beams (2) to the floor of the original floor body (1)
The top plate is used as a support for the transformation of the whole house;
s2, hoisting steel suspenders (3), connecting a plurality of steel suspenders (3) with the tension beam (2), the steel suspenders (3)
Are uniformly distributed in the original building body (1);
s3, laying middle floor bearing plate (4), using steel hanging rod (3) as support to make middle floor bearing plate (4)
Building;
s4, laying the top floor bearing plate by taking the tension beam (2) as a structural beam.
2. The construction method of the old house reconstruction structure according to claim 1, wherein: before the step S2, an electric hoist (10) or a manual hoist is installed on a tension beam (2), a steel hanging rod is hoisted, then a first steel plate (5) is welded below the tension beam (2) and is in inserting fit with an inserting gap (7) between two second steel plates (61) of a steel hanging rod (3), and then bolts sequentially penetrate through one of the second steel plates (61), the first steel plate (5) and the other second steel plate (61) and are fixed through nuts.
3. The construction method of the old house reconstruction structure according to claim 1, wherein: the middle floor bearing plate (4) is supported by a plurality of steel beams (41), before the step S3, the steel beams (41) are hoisted by an electric hoist (10) and a manual hoist, two flanges (81) are welded at the corresponding positions of the steel hanging rods (3), a first steel clamping plate (82) is welded between the two flanges (81), a second steel clamping plate (9) is welded at one side of the steel beams (41) connected with the steel hanging rods (3), the first steel clamping plate (82) and the second steel clamping plate (9) are attached to each other and connected through bolts, in addition, a rear embedded part is utilized at the connecting part of the original floor body (1) and the steel beams (41) to be connected and fixed with the steel beams (41), after the steel beams (41) are fixed, the steel bars are bound, concrete is poured, and the middle floor bearing plate (4) is formed.
4. A construction method of an old house reconstruction structure according to claim 3, characterized in that: middle building carrier plate (4) are provided with one deck or multilayer, and when middle building carrier plate (4) were the one deck, middle building carrier plate (4) set up the lower extreme at steel jib (3), and when middle building carrier plate (4) were the multilayer, building carrier plate (4) set up the lower extreme at steel jib (3) in the middle of one of them, and other middle building carrier plates (4) even parts are at the middle part of steel jib (3).
5. The old house reconstruction structure applied to the construction method of any one of the old house reconstruction structures according to claims 1 to 4, characterized in that: including former building body (1), support girder, steel jib (3) and middle building carrier plate (4), it is provided with a plurality ofly and interval distribution on the roof board of former building body (1) to support the girder steel, steel jib (3) are provided with a plurality ofly, steel jib (3) are vertical setting and are connected with the support girder steel, steel jib (3) are evenly distributed, middle building carrier plate (4) are provided with one or more, just middle building carrier plate (4) are connected with steel jib (3) and former building body (1).
6. An old house remodeling structure according to claim 5, wherein: the lower side of the tension beam (2) is connected with a first steel plate (5), the upper side of the steel hanging rod (3) is provided with two second steel plates (61) arranged at intervals, two splicing gaps (7) are formed between the second steel plates (61), the first steel plates (5) are spliced in the splicing gaps (7), and the second steel plates (61) are connected with the first steel plates (5) through bolts.
7. An old house remodeling structure according to claim 6, wherein: the upside of steel jib (3) is connected with horizontal steel sheet (6), two second steel sheet (61) all connect the top at horizontal steel sheet (6), the interval is provided with a plurality of stiffening ribs (62) between steel jib (3) and horizontal steel sheet (6).
8. An old house remodeling structure according to claim 5, wherein: the structural layer of middle floor carrier plate (4) comprises a plurality of girder steels (41), steel jib (3) week side 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) and girder steel (41) mechanical connection.
9. A modified old house structure according to claim 8, wherein: connecting piece (8) contain two intervals and set up flange (81) and a plurality of first splint (82) that are located between two flanges (81) of steel jib (3) week side, and are a plurality of first splint (82) welding is on steel jib (3) and flange (81), the one end welding of girder steel (41) has second splint (9), second splint (9) and first splint (82) mechanical fastening that corresponds.
10. A reformed structure of an old house according to claim 9, wherein: the first steel clamping plate (82) is provided with an inserting groove (83), and the second steel clamping plate (9) is matched with the inserting groove (83) in an inserting mode.
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| CN113622707A (en) * | 2021-08-25 | 2021-11-09 | 北京市建筑工程研究院有限责任公司 | Pre-tensioned crossed steel pull rod supporting and reinforcing reinforced concrete frame structure |
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| CA218731A (en) * | 1922-05-23 | M. Priest Henry | Concrete building construction | |
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