CN112196186A - Assembly type multi-ribbed framework, assembly type composite wall beam and wall beam prefabricating method - Google Patents
Assembly type multi-ribbed framework, assembly type composite wall beam and wall beam prefabricating method Download PDFInfo
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- CN112196186A CN112196186A CN202010930437.0A CN202010930437A CN112196186A CN 112196186 A CN112196186 A CN 112196186A CN 202010930437 A CN202010930437 A CN 202010930437A CN 112196186 A CN112196186 A CN 112196186A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0053—Machines or methods for applying the material to surfaces to form a permanent layer thereon to tiles, bricks or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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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
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to the technical field of building structures, in particular to an assembled multi-ribbed framework, an assembled composite wall beam and a wall beam prefabricating method, wherein the assembled multi-ribbed framework comprises a rib column steel reinforcement framework, a joist steel reinforcement framework and at least three rib beam steel reinforcement frameworks which are distributed at intervals up and down, and the rib beam steel reinforcement framework comprises four rib beam steel reinforcements and rib beam stirrups which are distributed in a second-order matrix manner; the assembled composite wall beam comprises concrete and a wall beam framework positioned in the concrete; the wall beam prefabricating method comprises the following steps: (1) the formwork frame is supported on a horizontal plane. The invention has reasonable and compact structure and convenient use, and enhances the anchoring strength and the integral shearing-resistant bearing capacity of the ribbed column reinforcing steel bar by arranging the L-shaped ribbed column reinforcing steel bar; through with rib roof beam framework of steel reinforcement, support roof beam frame and receive the torsional steel reinforcement frame respectively with rib post framework of steel reinforcement fixed mounting together, improve overall structure assembly rate, have that the bearing capacity is big, structure assembly rate is high and overall working property is good characteristics.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to an assembled multi-ribbed framework, an assembled composite wall beam and a wall beam prefabricating method.
Background
The 'assembly type multi-ribbed composite plate structure system' is a popularization project of scientific and technological achievements of the national ministry of construction. The multi-ribbed composite board structure is formed by combining a prefabricated composite wallboard, a cast-in-place outer frame and a floor slab, has the characteristics of energy conservation, heat preservation, energy consumption, earthquake resistance, quick construction and the like, and is suitable for low-rise, multi-rise and medium-rise buildings.
At present, because of the requirement of building functions, a large space is needed at the bottom, for example, the outer wall at the entrance hall, the outer wall at the stairwell with a door and the like, the wall at the upper part of the steel reinforced concrete beam cannot run through and fall to the ground, so a conversion component is needed to be arranged at the first floor to bear the load of the upper part and transmit the load to the wall at the lower part or an edge component, therefore, the steel reinforced concrete beam is often adopted as the conversion component, and after the cast-in-place construction of the steel reinforced concrete beam is completed and the concrete reaches a certain strength, the hoisting construction of the dense rib composite wallboard can be carried out at the upper part of the steel reinforced concrete beam.
In conclusion, the existing prefabricated wall body cannot realize the integrated prefabrication of the ribbed composite wall board and the reinforced concrete beam.
Disclosure of Invention
The invention provides an assembled multi-ribbed framework, an assembled composite wall beam and a wall beam prefabricating method, overcomes the defects of the prior art, and can effectively solve the problems of low wall bearing capacity, poor integral performance, complex construction process and low integral assembly rate of the structure of the existing multi-ribbed composite wall plate and a reinforced concrete beam after construction.
One of the technical schemes of the invention is realized by the following measures: the rib beam steel reinforcement framework comprises four rib beam steel reinforcements and rib beam stirrups which are distributed in a second-order matrix manner, and at least two rib beam stirrups are arranged on the outer side of the rib beam steel reinforcement framework at intervals from left to right; at least three rib column steel reinforcement frameworks are fixedly installed in the rib beam steel reinforcement framework at left and right intervals, the upper end of each rib column steel reinforcement framework is located above the rib beam steel reinforcement framework, the lower portion of each rib column steel reinforcement framework is located below the rib beam steel reinforcement framework, each rib column steel reinforcement framework comprises four rib column steel reinforcements and rib column stirrups which are distributed in a second-order matrix mode, the rib column steel reinforcements are all in an L shape, and at least two rib column stirrups are arranged on the outer side of each rib column steel reinforcement framework at upper and lower intervals; a joist steel reinforcement framework is arranged below the rib steel reinforcement framework, the joist steel reinforcement framework comprises a joist frame and a twisted steel reinforcement frame, the joist frame comprises two groups of joist steel reinforcement groups and joist stirrups which are distributed at intervals from top to bottom, each group of joist steel reinforcement group comprises at least three joist steel reinforcements distributed at intervals from front to back, at least two joist stirrups are arranged on the outer side of the joist frame at intervals from left to right, and the lower end of the rib column steel reinforcement framework is fixedly arranged in the joist frame and is positioned on the same plane with the lower end of the joist frame; be equipped with in the joist frame and receive the wrench movement steel bar frame, receive the wrench movement steel bar frame including a set of torsion bar group and the stirrup of receiving of interval distribution about at least being, every group receives the wrench movement steel bar group all includes two around interval distribution's the stirrup, receives the interval to be equipped with two at least stirrup stirrups about the reinforcing bar group outside of twisting, the stirrup corresponds position fixed mounting with the rib post reinforcing bar and is in the same place.
The following is a further optimization or/and improvement of one of the above-mentioned technical solutions of the invention:
the above-mentioned still can include the floor splice bar, first fixed silk and the fixed silk of pricking of second, the interval is equipped with two at least floor splice bars about in the joist frame, the floor splice bar is the zigzag, the floor splice bar includes the fixed part, vertical portion and extension, be equipped with the fixed part on the joist reinforcing bar, the one end and the vertical portion upper end fixed mounting of fixed part are in the same place, the lower extreme of vertical portion is in the same place with the first end fixed mounting of extension, the second end of extension is located the joist frame outside, the fixed part is in the same place through first fixed silk fixed mounting with the joist reinforcing bar corresponds the position, vertical portion is in the same place through the fixed silk fixed mounting of pricking of second with the waist muscle corresponds the position.
The lower ends of the fixing parts can be distributed in a staggered manner on the horizontal plane.
Above-mentioned rib post reinforcing bar can include vertical section and horizontal segment, vertical section lower extreme fixed mounting has the horizontal segment, the rib post reinforcing bar that is located the rib post framework of leftmost position is called first rib post, the rib post reinforcing bar that is located the rib post framework of rightmost position is called the second rib post, the rib post reinforcing bar that is located the rib post framework left part of middle part position is called the third rib post, the rib post reinforcing bar that is located the rib post framework right part of middle part position is called the fourth rib post, the horizontal segment of first rib post is located vertical section right side, the horizontal segment of second rib post is located vertical section left side, the horizontal segment of third rib post is located vertical section left side or vertical section right side, the horizontal segment of fourth rib post is located vertical section left side or vertical section right side.
The steel bar fixing device can also comprise a third fixing binding wire, and the rib beam steel bar, the joist steel bar and the waist bar are fixedly arranged together with the rib column steel bar at the corresponding position through the third fixing binding wire.
The second technical scheme of the invention is realized by the following measures: the utility model provides an use assembled composite wall beam of assembled close rib skeleton, its characterized in that includes the concrete and is located the wall roof beam skeleton of concrete, the wall roof beam skeleton includes assembled close rib skeleton and filling building block, fixed mounting has the filling building block in the sash that per two adjacent rib skeleton and per two adjacent rib skeleton formed, rib post reinforcing bar upper end, rib beam reinforcing bar left end, rib beam reinforcing bar right-hand member, joist reinforcing bar left end, joist reinforcing bar right-hand member, the bar left end, the bar right-hand member, the second end of bar right-hand member and extension all is located the concrete outside.
The following is further optimization or/and improvement of the second technical scheme of the invention:
the aforesaid still can be including lifting by crane the built-in fitting, rib roof beam framework of steel reinforcement, hold in the palm the roof beam structure and receive the nodical all called the installation nodical with rib post framework of steel reinforcement that twists reverse, two at least installation nodical departments that are located the front side are equipped with lifts by crane the built-in fitting, lifts by crane the built-in fitting and includes fixed plate and fixed sleeve, fixed plate front side fixed mounting has fixed sleeve, the fixed sleeve front end is in same vertical plane with the concrete front side, the screw hole that link up around being equipped with in the fixed sleeve, the fixed plate is installed in the installation nodical department.
The distance between every two adjacent rib beam reinforcement frameworks can be 200mm to 600mm, and the distance between every two adjacent rib beam stirrups is 200mm to 300 mm; the distance between every two adjacent rib column reinforcement frameworks is 200mm to 800mm, and the distance between every two adjacent rib column stirrups is 200mm to 300 mm; the distance between every two adjacent twisted steel bar groups is 100mm to 150mm, and the distance between every two adjacent waist reinforcement stirrups is 300mm to 400 mm; the distance between every two adjacent floor slab connecting ribs is 150mm to 200mm, the length of the fixing part is 230mm to 450mm, and the length of the extending part is 330mm to 470 mm; the height of the joist frame is 300mm to 600mm, and the distance between every two adjacent joist stirrups is 80mm to 220 mm; the length of the horizontal section is 120mm to 180 mm; the width of the rib beam steel reinforcement framework is 175mm to 300 mm.
The strength grade of the concrete can be C20-C40.
The compression strength of the filling building block can be between 2.5MPa and 7.5MPa, and the heat conductivity coefficient of the filling building block is less than or equal to 0.25W/m.K.
The diameters of the rib beam reinforcing steel bars and the rib column reinforcing steel bars can be 6mm to 8mm, the lengths of the upper ends of the rib column reinforcing steel bars, the left ends of the rib beam reinforcing steel bars and the right ends of the rib beam reinforcing steel bars, which are positioned outside the concrete, are 170mm to 300mm, and the diameters of the rib beam stirrups and the rib column stirrups are 4mm to 6 mm.
The diameter of the joist steel bar can be 18mm to 25mm, the lengths of the left end of the joist steel bar and the right end of the joist steel bar outside the concrete are 520mm to 1150mm, and the diameter of the joist stirrup is 8mm to 10 mm.
The diameter of the waist reinforcement can be 8mm to 12mm, the lengths of the left end and the right end of the waist reinforcement outside the concrete are 230mm to 560mm, and the diameter of the waist reinforcement stirrup is 6mm to 8 mm.
The diameter of the floor slab connecting rib can be 8mm to 12 mm.
The third technical scheme of the invention is realized by the following measures: a wall beam prefabricating method using an assembly type composite wall beam comprises the following steps:
(1) supporting the template frame on a horizontal plane, wherein the size of an inner frame of the template frame is the same as the geometric size of the assembled multi-ribbed framework;
(2) pouring a C20-C40 grade fine stone concrete lower surface layer with the thickness of 20-25 mm in the template frame;
(3) placing the assembled multi-ribbed frameworks on a fine stone concrete layer in the template frame, and then installing filling building blocks in a sash formed by every two adjacent ribbed beam steel frameworks and every two adjacent ribbed column steel frameworks;
(4) concrete is poured into the assembled multi-ribbed framework to form a middle layer, a hoisting embedded part is placed at an installation intersection point in the pouring process, the thickness of the poured concrete is 20mm to 25mm higher than that of the assembled multi-ribbed framework and is flush with the top surface of the template frame to form an upper surface layer, and the outer end of the hoisting embedded part and the upper surface layer are on the same plane.
The third technical scheme of the invention is further optimized or/and improved as follows:
the filled blocks are fully soaked in water for more than 30 minutes before installation.
The above steps (1) to (4) are completed within 45 minutes.
The invention has reasonable and compact structure and convenient use, and enhances the anchoring strength and the integral shearing-resistant bearing capacity of the ribbed column reinforcing steel bar by arranging the L-shaped ribbed column reinforcing steel bar; the rib beam steel reinforcement framework, the beam support frame and the twisted steel reinforcement frame are fixedly arranged with the rib column steel reinforcement framework respectively, so that the assembly rate of the whole structure is improved; the vertical bearing capacity and the horizontal bearing capacity are enhanced by arranging the joist frame, the joist stirrup, the twisted steel bar frame and the waist reinforcement stirrup; the shear-resistant bearing capacity of the joist frame is enhanced by arranging joist stirrups; the torsion resistance of the beam support frame is enhanced by arranging the torsion reinforcement frame and the waist reinforcement stirrup; the floor slab connecting ribs are arranged, so that the floor slab connecting ribs can be conveniently lapped with the floor slab; the hoisting embedded parts are embedded in the assembled multi-ribbed framework, so that the concrete can be hoisted and moved conveniently after cast-in-place operation of the concrete, and the assembled multi-ribbed framework has the characteristics of large bearing capacity, high structural assembly rate and good overall working performance.
Drawings
Fig. 1 is a schematic front view of a first embodiment of the present invention.
Fig. 2 is a left side view schematic diagram of fig. 1.
Fig. 3 is a schematic partial sectional structure view of a front view of a second embodiment of the present invention.
The codes in the figures are respectively: the steel bar hoisting device comprises a steel bar 1 for a rib beam, a steel bar 2 for a rib column, a steel bar 3 for a joist, a steel bar 4 for a waist bar, a steel bar 5 for a rib beam, a steel bar 6 for a rib column, a steel bar 7 for a joist, a steel bar 8 for a waist bar, a steel bar 9 for a floor slab, a hoisting embedded part 10, concrete 11 and a filling building block 12.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
the first embodiment is as follows: as shown in the attached drawings 1 and 2, the assembled multi-ribbed framework comprises a rib column reinforced framework, a joist reinforced framework and at least three rib beam reinforced frameworks which are distributed at intervals up and down, wherein the rib beam reinforced framework comprises four rib beam reinforced bars 1 and rib beam stirrups 5 which are distributed in a second-order matrix manner, and at least two rib beam stirrups 5 are arranged at intervals on the left and right of the outer side of the rib beam reinforced framework; at least three rib column steel reinforcement frameworks are fixedly installed in the rib beam steel reinforcement framework at intervals from left to right, the upper end of each rib column steel reinforcement framework is located above the rib beam steel reinforcement framework, the lower portion of each rib column steel reinforcement framework is located below the rib beam steel reinforcement framework, each rib column steel reinforcement framework comprises four rib column steel reinforcements 2 and rib column stirrups 6 which are distributed in a second-order matrix mode, the rib column steel reinforcements 2 are L-shaped, and at least two rib column stirrups 6 are arranged on the outer side of each rib column steel reinforcement framework at intervals from top to bottom; a joist steel reinforcement framework is arranged below the rib steel reinforcement framework, the joist steel reinforcement framework comprises a joist frame and a twisted steel reinforcement frame, the joist frame comprises two groups of joist steel reinforcement groups and joist stirrups 7 which are distributed at intervals from top to bottom, each group of joist steel reinforcement group comprises at least three joist steel reinforcements 3 distributed at intervals from front to back, at least two joist stirrups 7 are arranged on the outer side of the joist frame at intervals from left to right, and the lower end of the rib steel reinforcement framework is fixedly arranged in the joist frame and is positioned on the same plane with the lower end of the joist frame; be equipped with the steel reinforcement frame of twisting in the joist frame, the steel reinforcement frame of twisting includes that at least a set of twisted steel bar group and the waist muscle stirrup 8 that is interval distribution about the group is twisted steel bar group and all includes two waist muscle 4 of interval distribution, is twisted steel bar group outside about the interval and is equipped with two at least waist muscle stirrups 8, and waist muscle 4 corresponds position fixed mounting with rib post reinforcing bar 2 and is in the same place.
In the using process, the embodiment is prefabricated by the existing masonry method, the ribbed composite board and the conversion member are integrated by the embodiment after the concrete 11 is cast in place, the prefabrication of the vertical through floor wall is realized, the hoisting construction of the ribbed composite board is avoided after the conversion member is arranged on the first layer through the cast-in-place construction of the reinforced concrete 11 beam, and the ribbed composite board has the characteristics of large bearing capacity, high structure assembly rate and good overall working performance; the L-shaped ribbed column reinforcing steel bars 2 are arranged, so that the anchoring strength of the ribbed column reinforcing steel bars 2 and the overall shear-resistant bearing capacity are enhanced; the rib beam steel reinforcement framework, the beam support frame and the twisted steel reinforcement frame are fixedly arranged with the rib column steel reinforcement framework respectively, so that the assembly rate of the whole structure is improved; the vertical bearing capacity and the horizontal bearing capacity are enhanced by arranging the joist frame, the joist stirrup 7, the twisted steel bar frame and the waist reinforcement stirrup 8; the shear-resisting bearing capacity of the joist frame is enhanced by arranging the joist stirrup 7; the torsion resistance of the beam supporting frame is enhanced by arranging the torsion reinforcing frame and the waist reinforcement stirrup 8. According to the requirement, all joist reinforcing steel bars 3 can be distributed in a three-by-two matrix or a four-by-two matrix.
The assembled multi-ribbed framework can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1 and 2, the fixing device further comprises a floor connecting rib 9, a first fixing binding wire and a second fixing binding wire, at least two floor connecting ribs 9 are arranged in the joist rack at the left and right sides, the floor connecting ribs are Z-shaped, the floor connecting ribs 9 comprise fixing portions, vertical portions and extending portions, fixing portions are arranged on joist steel bars, one ends of the fixing portions are fixedly installed together with the upper ends of the vertical portions, the lower ends of the vertical portions are fixedly installed together with the first ends of the extending portions, the second ends of the extending portions are located outside the joist rack, the fixing portions are fixedly installed together with corresponding positions of joist steel bars 3 through the first fixing binding wires, and the corresponding positions of the vertical portions and waist ribs 4 are fixedly installed together through the second fixing binding wires. In the use, through setting up floor splice bar 9, be convenient for with the floor overlap joint. According to the demand, fixed part, vertical portion and extension portion three set up integratively.
As shown in fig. 1 and 2, the lower ends of the vertical parts are distributed in a staggered manner on the horizontal plane. In the using process, the stability of the embodiment after the embodiment is connected and overlapped with the floor slab is enhanced through the arrangement; in addition, the lower ends of the vertical parts distributed in a staggered manner can be divided into two layers on the horizontal plane, namely the lower ends of two adjacent vertical parts are distributed in a high-low manner, and the distance between the lower ends of the two adjacent vertical parts in height is 80-120 mm. According to actual demand, the front end of extension can be located rib beam framework the place ahead or the rear end of extension can be located rib beam framework rear, can set up floor splice bar 9 at this embodiment unilateral (front side or rear side) from this.
As shown in fig. 1, 2, rib post reinforcing bar 2 includes vertical section and horizontal segment, vertical section lower extreme fixed mounting has the horizontal segment, rib post reinforcing bar 2 that is located the rib post framework of leftmost position is called first rib post, rib post reinforcing bar 2 that is located the rib post framework of rightmost position is called the second rib post, rib post reinforcing bar 2 that is located the rib post framework left part of middle part position is called the third rib post, rib post reinforcing bar 2 that is located the rib post framework right part of middle part position is called the fourth rib post, the horizontal segment of first rib post is located vertical section right side, the horizontal segment of second rib post is located vertical section left side, the horizontal segment of third rib post is located vertical section left side or vertical section right side, the horizontal segment of fourth rib post is located vertical section left side or vertical section right side. In the use process, the horizontal section is arranged, so that the anchoring strength of the ribbed column steel bar 2 and the integral shear-resistant bearing capacity are enhanced; in addition, can make the horizontal segment of fourth rib post all be located vertical section right side, the horizontal segment of third rib post all is located vertical section left side, through arranging the horizontal segment like this, makes this embodiment wholeness better.
As shown in the attached drawings 1 and 2, the steel bar support structure further comprises a third fixing binding wire, and the rib beam steel bar 1, the joist steel bar 3 and the waist bar 4 are fixedly installed together with the rib column steel bar 2 at the corresponding position through the third fixing binding wire. In the use, through such setting, be convenient for rib beam reinforcing bar 1, joist reinforcing bar 3 and stringcourse 4 are fixed with the rib post reinforcing bar 2 that corresponds the position respectively.
Example two: as shown in the attached drawings 1, 2 and 3, the assembled composite wall beam using the assembled multi-ribbed framework comprises concrete 11 and a wall beam framework located in the concrete 11, wherein the wall beam framework comprises the assembled multi-ribbed framework and filling blocks 12, the filling blocks 12 are fixedly installed in a frame lattice formed by every two adjacent rib beam frameworks and every two adjacent rib column frameworks, and the upper ends of rib column reinforcements 2, the left ends of rib beam reinforcements 1, the right ends of rib beam reinforcements 1, the left ends of joist reinforcements 3, the right ends of joist reinforcements 3, the left ends of wale reinforcements 4, the right ends of wale reinforcements 4 and the second ends of extension parts are located outside the concrete 11. In the use, through setting up like this, make close rib composite wall panel (rib beam framework of steel reinforcement and rib post framework of steel reinforcement upper portion) and reinforced concrete roof beam (rib post framework of steel reinforcement lower part and bracket frame) integration, thereby make the assembled close rib framework after filling building block 12 and concreting 11 have that bearing capacity is big, the structure assembly rate is high and the characteristics that whole working property is good, and can realize close rib composite wall panel and reinforced concrete roof beam integration through prefabricating in advance, thereby simplify construction process, improve the efficiency of construction.
The assembled composite wall beam can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1, 2 and 3, the embedded part hoisting device further comprises a hoisting embedded part 10, a rib beam steel reinforcement framework, the intersection points of the beam supporting frame and the twisted steel reinforcement frame and the rib column steel reinforcement framework are all called as installation intersection points, at least two installation intersection points positioned on the front side are provided with the hoisting embedded part 10, the hoisting embedded part 10 comprises a fixed plate and a fixed sleeve, the front side of the fixed plate is fixedly provided with the fixed sleeve, the front end of the fixed sleeve and the front side of the concrete 11 are positioned on the same vertical plane, a threaded hole which is through from front to back is arranged in the fixed sleeve, and the fixed plate is arranged. In the using process, the hoisting embedded parts 10 are embedded in the assembled multi-ribbed framework, so that the concrete 11 can be hoisted and moved after cast-in-place operation.
As shown in fig. 1, 2 and 3, the distance between every two adjacent rib beam reinforcement frameworks is 200mm to 600mm, and the distance between every two adjacent rib beam stirrups 5 is 200mm to 300 mm; the space between every two adjacent rib column reinforcement frameworks is 200mm to 800mm, and the space between every two adjacent rib column stirrups 6 is 200mm to 300 mm; the distance between every two adjacent twisted steel bar groups is 100mm to 150mm, and the distance between every two adjacent waist reinforcement stirrups 8 is 300mm to 400 mm; the distance between every two adjacent floor slab connecting ribs 9 is 150mm to 200mm, the length of the fixing part is 230mm to 450mm, and the length of the extending part is 330mm to 470 mm; the height of the joist frame is 300mm to 600mm, and the distance between every two adjacent joist stirrups 7 is 80mm to 220 mm; the length of the horizontal section is 120mm to 180 mm; the width of the rib beam steel reinforcement framework is 175mm to 300 mm. In the use process, through the arrangement, the length, the height and the strength of the prefabricated wall body are met.
As shown in fig. 1, 2 and 3, the strength of the concrete 11 is rated from C20 to C40. The concrete can be ordinary concrete, recycled concrete and the like according to requirements.
As shown in attached figures 1, 2 and 3, the compression strength of the filling block 12 is between 2.5MPa and 7.5MPa, and the heat conductivity coefficient of the filling block 12 is less than or equal to 0.25W/m.K.
As shown in fig. 1, 2 and 3, the diameters of the rib beam steel bar 1 and the rib column steel bar 2 are 6mm to 8mm, the lengths of the upper end of the rib column steel bar 2, the left end of the rib beam steel bar 1 and the right end of the rib beam steel bar 1 outside the concrete 11 are 170mm to 300mm, and the diameters of the rib beam stirrup 5 and the rib column stirrup 6 are 4mm to 6 mm.
As shown in the attached drawings 1, 2 and 3, the diameter of the joist steel bar 3 is 18mm to 25mm, the lengths of the left end of the joist steel bar 3 and the right end of the joist steel bar 3 outside the concrete 11 are 520mm to 1150mm, and the diameter of the joist stirrup 7 is 8mm to 10 mm.
As shown in fig. 1, 2 and 3, the diameter of the lumbar muscle 4 is 8mm to 12mm, the lengths of the left end of the lumbar muscle 4 and the right end of the lumbar muscle 4 outside the concrete 11 are 230mm to 560mm, and the diameter of the lumbar muscle stirrup 8 is 6mm to 8 mm.
As shown in fig. 1, 2 and 3, the diameter of the floor slab connecting rib 9 is 8mm to 12 mm.
When the required wall body is prefabricated by using the embodiment,
(1) if the length of the prefabricated wall body is large, in order to enhance the bearing capacity of the embodiment, the height of the joist frame can be set to be 600mm, and three groups of twisted steel bar groups can be arranged in the joist frame;
(2) if the length of the prefabricated wall body is small, in order to enhance the bearing capacity of the embodiment, the height of the joist frame can be set to be 300mm, and a group of twisted steel bar groups can be arranged in the joist frame;
(3) in order to enhance the shear-resistant bearing capacity of the joist frame, the distance between joist stirrups 7 arranged on the outer side of the left part and the outer side of the right part of the joist frame can be 100mm, and the distance between joist stirrups 7 arranged on the outer side of the middle part of the joist frame can be 200 mm.
As shown in fig. 1, 2 and 3, a wall beam prefabricating method using the fabricated composite wall beam comprises the following steps:
(1) supporting the template frame on a horizontal plane, wherein the size of an inner frame of the template frame is the same as the geometric size of the assembled multi-ribbed framework;
(2) pouring a C20-C40 grade fine stone concrete lower surface layer with the thickness of 20-25 mm in the template frame;
(3) placing the assembled multi-ribbed frameworks on a fine stone concrete layer in a template frame, and then installing filling building blocks 12 in a sash formed by every two adjacent ribbed beam steel frameworks and every two adjacent ribbed column steel frameworks;
(4) concrete is poured into the assembled multi-ribbed framework to form a middle layer, the hoisting embedded parts 10 are placed at the installation intersection points in the pouring process, the thickness of the poured concrete is 20mm to 25mm higher than that of the assembled multi-ribbed framework and is flush with the top surface of the template frame to form an upper surface layer, and the outer ends of the hoisting embedded parts 10 and the upper surface layer are on the same plane.
The wall beam prefabricating method can be further optimized or/and improved according to actual needs:
the filled blocks are fully soaked in water for more than 30 minutes before installation.
The above steps (1) to (4) are completed within 45 minutes.
In the using process, the filling building blocks 12 installed in the sash formed by every two adjacent rib beam steel frameworks and every two adjacent rib column steel frameworks are fully soaked in water for more than 30 minutes before installation; in addition, the whole manufacturing process of the fabricated composite wall beam is completed within 45 minutes.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. An assembled multi-ribbed framework is characterized by comprising a rib column steel reinforcement framework, a joist steel reinforcement framework and at least three rib beam steel reinforcement frameworks which are distributed at intervals up and down, wherein the rib beam steel reinforcement framework comprises four rib beam steel reinforcements and rib beam stirrups which are distributed in a second-order matrix manner, and at least two rib beam stirrups are arranged on the outer side of the rib beam steel reinforcement framework at intervals from left to right; at least three rib column steel reinforcement frameworks are fixedly installed in the rib beam steel reinforcement framework at left and right intervals, the upper end of each rib column steel reinforcement framework is located above the rib beam steel reinforcement framework, the lower portion of each rib column steel reinforcement framework is located below the rib beam steel reinforcement framework, each rib column steel reinforcement framework comprises four rib column steel reinforcements and rib column stirrups which are distributed in a second-order matrix mode, the rib column steel reinforcements are all in an L shape, and at least two rib column stirrups are arranged on the outer side of each rib column steel reinforcement framework at upper and lower intervals; a joist steel reinforcement framework is arranged below the rib steel reinforcement framework, the joist steel reinforcement framework comprises a joist frame and a twisted steel reinforcement frame, the joist frame comprises two groups of joist steel reinforcement groups and joist stirrups which are distributed at intervals from top to bottom, each group of joist steel reinforcement group comprises at least three joist steel reinforcements distributed at intervals from front to back, at least two joist stirrups are arranged on the outer side of the joist frame at intervals from left to right, and the lower end of the rib column steel reinforcement framework is fixedly arranged in the joist frame and is positioned on the same plane with the lower end of the joist frame; be equipped with in the joist frame and receive the wrench movement steel bar frame, receive the wrench movement steel bar frame including a set of torsion bar group and the stirrup of receiving of interval distribution about at least being, every group receives the wrench movement steel bar group all includes two around interval distribution's the stirrup, receives the interval to be equipped with two at least stirrup stirrups about the reinforcing bar group outside of twisting, the stirrup corresponds position fixed mounting with the rib post reinforcing bar and is in the same place.
2. The assembly type multi-ribbed framework according to claim 1, further comprising a floor slab connecting rib, a first fixing binding wire and a second fixing binding wire, wherein at least two floor slab connecting ribs are arranged in the joist frame at intervals from left to right, the floor slab connecting ribs are Z-shaped, the floor slab connecting ribs comprise a fixing portion, a vertical portion and an extending portion, the joist steel bar is provided with the fixing portion, one end of the fixing portion is fixedly installed with the upper end of the vertical portion, the lower end of the vertical portion is fixedly installed with the first end of the extending portion, the second end of the extending portion is located outside the joist frame, the fixing portion is fixedly installed with a position corresponding to a joist steel bar through the first fixing binding wire, and the vertical portion is fixedly installed with a position corresponding to a wale bar through the second fixing binding wire.
3. The fabricated multi-ribbed framework of claim 2 wherein the lower ends of the vertical portions are staggered in height in a horizontal plane.
4. The assembled multi-ribbed framework according to claim 1, 2 or 3, wherein the rib column steel bars comprise a vertical section and a horizontal section, the lower end of the vertical section is fixedly provided with the horizontal section, the rib column steel bar of the rib column steel bar framework positioned at the leftmost position is called a first rib column, the rib column steel bar of the rib column steel bar framework positioned at the rightmost position is called a second rib column, the rib column steel bar positioned at the left part of the rib column steel bar framework positioned at the middle position is called a third rib column, the rib column steel bar positioned at the right part of the rib column steel bar framework positioned at the middle position is called a fourth rib column, the horizontal section of the first rib column is positioned at the right side of the vertical section, the horizontal section of the second rib column is positioned at the left side of the vertical section, the horizontal section of the third rib column is positioned at the left side of the vertical section or at the right side of the vertical section, and the horizontal section of the; and the rib beam reinforcing steel bars, the joist reinforcing steel bars and the waist bars are fixedly arranged together with the rib column reinforcing steel bars at the corresponding positions through the third fixing binding wires.
5. An assembled composite wall beam using the assembled multi-ribbed framework of any one of claims 2 to 4, which is characterized by comprising concrete and a wall beam framework located in the concrete, wherein the wall beam framework comprises the assembled multi-ribbed framework and filling blocks, the filling blocks are fixedly installed in a frame formed by every two adjacent rib beam frameworks and every two adjacent rib column frameworks, and the upper ends of the rib column reinforcements, the left ends of the rib beam reinforcements, the right ends of the rib beam reinforcements, the left ends of the joist reinforcements, the right ends of the joist reinforcements, and the second ends of the extending parts are all located outside the concrete.
6. The assembled composite wall beam as claimed in claim 5, further comprising a hoisting embedded part, wherein the intersection points of the rib beam steel reinforcement framework, the beam support frame and the twisted steel reinforcement frame with the rib column steel reinforcement framework are all called as installation intersection points, the hoisting embedded part is arranged at least two installation intersection points positioned on the front side, the hoisting embedded part comprises a fixed plate and a fixed sleeve, the fixed sleeve is fixedly arranged on the front side of the fixed plate, the front end of the fixed sleeve and the front side of the concrete are positioned on the same vertical plane, a front threaded hole and a rear threaded hole are arranged in the fixed sleeve, and the fixed plate is arranged at the installation intersection points at corresponding positions.
7. The fabricated composite wall beam according to claim 5 or 6, wherein the interval between every two adjacent rib reinforcement cages is 200mm to 600mm, and the interval between every two adjacent rib stirrups is 200mm to 300 mm; the distance between every two adjacent rib column reinforcement frameworks is 200mm to 800mm, and the distance between every two adjacent rib column stirrups is 200mm to 300 mm; the distance between every two adjacent twisted steel bar groups is 100mm to 150mm, and the distance between every two adjacent waist reinforcement stirrups is 300mm to 400 mm; the distance between every two adjacent floor slab connecting ribs is 150mm to 200mm, the length of the fixing part is 230mm to 450mm, and the length of the extending part is 330mm to 470 mm; the height of the joist frame is 300mm to 600mm, and the distance between every two adjacent joist stirrups is 80mm to 220 mm; the length of the horizontal section is 120mm to 180 mm; the width of the rib beam steel reinforcement framework is 175mm to 300 mm.
8. Fabricated composite wall beam according to claim 5 or 6 or 7, characterised in that the strength grade of the concrete is C20-C40; or/and the compression strength of the filling building block is between 2.5MPa and 7.5MPa, and the heat conductivity coefficient of the filling building block is less than or equal to 0.25W/m.K; or/and the diameters of the rib beam reinforcing steel bars and the rib column reinforcing steel bars are 6mm to 8mm, the lengths of the upper ends of the rib column reinforcing steel bars, the left ends of the rib beam reinforcing steel bars and the right ends of the rib beam reinforcing steel bars outside the concrete are 170mm to 300mm, and the diameters of the rib beam stirrups and the rib column stirrups are 4mm to 6 mm; or/and the diameter of the joist steel bar is 18mm to 25mm, the lengths of the left end of the joist steel bar and the right end of the joist steel bar outside the concrete are 520mm to 1150mm, and the diameter of the joist stirrup is 8mm to 10 mm; or/and the diameter of the waist bar is 8mm to 12mm, the lengths of the left end of the waist bar and the right end of the waist bar outside the concrete are 230mm to 560mm, and the diameter of the waist bar stirrup is 6mm to 8 mm; or/and the diameter of the floor slab connecting rib is 8mm to 12 mm.
9. A wall beam prefabrication method using the fabricated composite wall beam as claimed in any one of claims 5 to 8, comprising the steps of:
(1) supporting the template frame on a horizontal plane, wherein the size of an inner frame of the template frame is the same as the geometric size of the assembled multi-ribbed framework;
(2) pouring a C20-C40 grade fine stone concrete lower surface layer with the thickness of 20-25 mm in the template frame;
(3) placing the assembled multi-ribbed frameworks on a fine stone concrete layer in the template frame, and then installing filling building blocks in a sash formed by every two adjacent ribbed beam steel frameworks and every two adjacent ribbed column steel frameworks;
(4) concrete is poured into the assembled multi-ribbed framework to form a middle layer, a hoisting embedded part is placed at an installation intersection point in the pouring process, the thickness of the poured concrete is 20mm to 25mm higher than that of the assembled multi-ribbed framework and is flush with the top surface of the template frame to form an upper surface layer, and the outer end of the hoisting embedded part and the upper surface layer are on the same plane.
10. A method of prefabricating a wall beam as claimed in claim 9, wherein the filled blocks are fully saturated with water for more than 30 minutes before installation; or/and steps (1) to (4) are completed within 45 minutes.
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| CN202010930437.0A CN112196186A (en) | 2020-09-07 | 2020-09-07 | Assembly type multi-ribbed framework, assembly type composite wall beam and wall beam prefabricating method |
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| CN202010930437.0A CN112196186A (en) | 2020-09-07 | 2020-09-07 | Assembly type multi-ribbed framework, assembly type composite wall beam and wall beam prefabricating method |
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| CN109518858A (en) * | 2019-01-03 | 2019-03-26 | 中国建筑第五工程局有限公司 | Fabricated Beam-Slab connection structure and its construction method |
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| CN201016187Y (en) * | 2006-12-29 | 2008-02-06 | 北京工业大学 | Built-in steel truss concrete combined giant-scale beam-column framework |
| US20160340855A1 (en) * | 2009-07-15 | 2016-11-24 | Megamold Infrastructure Systems LLC | Modular construction mold apparatus and method for constructing concrete buildings and structures |
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