CN108149788B - Assembled frame structure and construction method thereof - Google Patents
Assembled frame structure and construction method thereof Download PDFInfo
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- CN108149788B CN108149788B CN201810049119.6A CN201810049119A CN108149788B CN 108149788 B CN108149788 B CN 108149788B CN 201810049119 A CN201810049119 A CN 201810049119A CN 108149788 B CN108149788 B CN 108149788B
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
Abstract
The invention relates to an assembled frame structure, which comprises a plurality of vertical prefabricated units, a plurality of first prefabricated plates and a plurality of second prefabricated plates, wherein the vertical prefabricated units are arranged along the transverse direction; the beam column prefabricated part comprises a plurality of prefabricated columns which are vertically arranged, and a plurality of groups of prefabricated beam groups which are arranged in a high-low layered manner; the precast beam group of each layer comprises a first precast beam and a second precast beam, two ends of the first precast beam and two ends of the second precast beam are connected to two adjacent precast columns, and a plurality of precast protruding beams which are sequentially arranged from top to bottom are arranged on the precast columns; the second precast slab is connected with the first precast slab through a connecting beam, the left side and the right side of the first precast slab are connected with the first precast beam through connecting members, and the left side and the right side of the connecting beam are connected with the precast protruding beam through connecting members. The frame structure can shorten the construction period required by construction, reduce the manufacturing cost and realize the effect of the frame structure of strong columns and weak beams. Belonging to the technical field of building engineering.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an assembled frame structure and a construction method thereof.
Background
The frame structure is a structural form formed by connecting members such as beams and columns through nodes, and has the advantages of large space, material saving, light dead weight and the like because the frame structure has the advantages of building plane arrangement, flexible space separation, and the like, and is widely applied to buildings such as houses, teaching buildings, office buildings, libraries and the like. The frame structure is generally constructed in a cast-in-place mode, the construction period is generally long, the engineering quality is seriously dependent on the level of on-site workers, building materials are wasted, the environment is polluted, the frame structure belongs to a typical representation of extensive economy, and the requirement of building industrialization is not met. In addition, the frame structure makes the destruction mode of strong column and weak beam difficult to realize under the earthquake effect because of the reinforcing effect of the floor slab to the beam.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention aims at: the assembled frame structure can shorten the construction period required by construction, reduce the manufacturing cost and realize the effect of the frame structure of strong columns and weak beams.
Another object of the invention is: the construction method of the assembled frame structure can shorten the construction period required by construction, reduce the manufacturing cost and realize the effect of strong columns and weak beams of the frame structure.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a fabricated frame structure includes a plurality of vertical prefabricated units arranged in a lateral direction, a plurality of first prefabricated panels, and a plurality of second prefabricated panels;
the vertical prefabrication unit comprises a plurality of beam column prefabrication members which are sequentially connected together from bottom to top, and two adjacent beam column prefabrication members are connected together through a column member;
the beam column prefabricated part comprises a plurality of prefabricated columns which are vertically arranged, and a plurality of groups of prefabricated beam groups which are arranged in a layered manner from top to bottom; the prefabricated beams of each layer comprise a first prefabricated beam and a second prefabricated beam, two ends of the first prefabricated beam are connected to two adjacent prefabricated columns, two ends of the second prefabricated beam are connected to two adjacent prefabricated columns, a plurality of prefabricated protruding beams which are sequentially arranged from top to bottom are arranged on the prefabricated columns, and the prefabricated protruding beams are arranged along the transverse direction;
the front and back both ends of first prefabricated plate are equipped with the tie-beam, and the tie-beam is along horizontal arrangement, and the second prefabricated plate passes through the tie-beam to be connected with first prefabricated plate, and the left and right sides of first prefabricated plate passes through connecting element to be connected with first prefabricated beam, and the left and right sides of second prefabricated plate meets with the second prefabricated beam, and the left and right sides of tie-beam passes through connecting element to be connected with prefabricated outstanding roof beam.
Further is: all the precast beam groups in each vertical precast unit are arranged at equal intervals or unequal intervals in a layered mode, the first precast beams and the second precast beams in each layer of precast beam groups are located at the same height and are alternately arranged in sequence, the precast beam group at the bottommost end in all the vertical precast units is located at the same height, and the first precast beam is located at the foremost end in all the precast beam groups.
Further is: in the same vertical prefabrication unit, the heights of two upper and lower adjacent beam column prefabrication members are different, and the heights of the two upper and lower spaced beam column prefabrication members are the same or different; in the two vertical prefabricating units adjacent left and right, the heights of the two beam column prefabricating members adjacent left and right are different; in the two vertical prefabricating units which are spaced left and right, the heights of the two beam column prefabricating members which are spaced left and right are the same or different.
Further is: in one beam-column precast member, the number of precast protruding beams provided on one precast column is the same as the number of precast beam groups.
Further is: the column component comprises an upper precast block pre-buried at the lower end of the precast column, a lower precast block pre-buried at the upper end of the precast column and a connecting bolt; the upper part of the connecting bolt is in threaded connection with the upper precast block, and the lower part of the connecting bolt is in threaded connection with the lower precast block.
Further is: the upper precast block and the lower precast block are respectively provided with a plurality of through holes, and the edges of the upper precast block and the edges of the lower precast block are welded or in threaded connection with the reinforcement cage of the precast column.
Further is: the connecting bolts are multiple, the periphery of the upper precast block is connected with the periphery of the lower precast block through the connecting bolts, and the center of the lower end of the upper precast block is connected with the center of the upper end of the lower precast block through the connecting bolts.
Further is: the connecting bolt comprises upper threads, a middle square block and lower threads; the thread rotation direction of the upper thread is opposite to the thread rotation direction of the lower thread.
Further is: the middle square of the connecting bolt is projected to be a regular polygon.
Further is: the connecting component comprises a first connecting block and a second connecting block which are connected together through bolts, the first connecting block is provided with a downward first wedge block, and the first wedge block and the first connecting block form a first wedge groove; the second connecting block is provided with an upward second wedge block, and the second wedge block and the second connecting block form a second wedge groove; the first wedge is embedded in the second wedge groove, and the second wedge is embedded in the first wedge groove.
The construction method of the assembled frame structure comprises the following steps:
the first step: hoisting the beam column prefabricated part in the first stage to a design position and solidifying the beam column prefabricated part with a foundation;
and a second step of: hoisting the first precast slab and the second precast slab which are of an integrated structure to the corresponding positions of the beam column precast members, connecting the first precast slab with the first precast beam through the connecting members, and connecting the precast protruding beam with the connecting beam through the connecting members;
and a third step of: filling the gap between the first precast slab and the precast column with self-compacting concrete, filling the gap between the first precast slab and the first connecting beam with polystyrene boards, filling the gap between the first precast slab and the precast protruding beam with polystyrene boards, and filling the gap between the second precast slab and the second connecting beam with polystyrene boards, wherein the self-compacting concrete has high strength Yu Liangzhu;
fourth step: hoisting a beam column prefabricated part at the next stage to the upper part of the beam column prefabricated part which is completed with construction and hovering, and then connecting two upper and lower adjacent beam column prefabricated parts together by using a connecting bolt, wherein the descending speed of the hoisted beam column prefabricated part is kept to be the same as the tightening speed of the connecting bolt;
fifth step: and sequentially repeating the second step, the third step and the fourth step until the construction of the assembled frame structure is completed.
In general, the invention has the following advantages:
the assembled frame structure can ensure engineering quality, enhance the energy consumption capability of the structure, realize the damage mode of the strong column and the weak beam of the frame structure, weaken the heat bridge effect of the building, shorten the construction period, save building materials, protect the environment and meet the requirement of building industrialization. The beam slab prefabricated parts are connected with the prefabricated beams through the connecting parts, the number of the connecting parts can be determined according to the implementation requirement, and the connection between the floor slab and the beams is weakened through the form of the connecting parts, so that the purpose of strong columns and weak beams is realized.
Drawings
Fig. 1 is a schematic plan view of the present fabricated frame structure.
Fig. 2 is a perspective view of the present fabricated frame structure.
Fig. 3 is a schematic structural view of a plurality of beam column prefabricated members.
Fig. 4 is a schematic structural view of a beam slab preform.
Fig. 5 is a schematic structural view of the connection member.
Fig. 6 is a schematic structural view of a column member.
Fig. 7 is a schematic view of the structure of the upper prefabricated section and the lower prefabricated section.
Fig. 8 is a schematic structural view of the connecting bolt.
Fig. 9 is a schematic illustration of a fabricated frame structure construction process.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
In order to facilitate the unified viewing of the various reference numerals within the drawings of the specification, the reference numerals appearing in the drawings of the specification are now collectively described as follows:
1 is a beam column prefabricated part, 2 is a first prefabricated plate, 3 is a second prefabricated plate, 4 is a connecting beam, 5 is a transverse gap, 6 is a right angle notch, 7 is a column part, 8 is a connecting member, 1-1 is a first prefabricated beam, 1-2 is a second prefabricated beam, 1-3 is a prefabricated column, 1-4 is a prefabricated protruding beam, 7-1 is an upper prefabricated block, 7-2 is a lower prefabricated block, 7-3 is a connecting bolt, 7-4 is a through hole of the upper prefabricated block, 7-5 is an upper thread, 7-6 is a middle square, 7-7 is a lower thread, 8-1 is a first connecting block, 8-2 is a second connecting block, 8-3 is a first wedge, 8-4 is a first wedge, 8-5 is a second wedge, 8-6 is a second wedge, and 8-7 is a bolt on the second connecting block.
For convenience of description, the specified orientations are as follows: the front-rear left-right direction described below coincides with the vertical direction of fig. 1 itself, and the vertical direction described below coincides with the vertical direction when the frame structure is naturally placed, i.e., the longitudinal direction, and the lateral direction is the lateral direction.
Referring to fig. 1 to 9, a fabricated frame structure includes a plurality of vertical prefabricated units arranged in a lateral direction, a plurality of first prefabricated panels, and a plurality of second prefabricated panels. The vertical prefabricated units are arranged in a plurality along the left-right direction.
The vertical prefabrication unit comprises a plurality of beam column prefabrication members which are sequentially connected together from bottom to top, and two adjacent beam column prefabrication members are connected together through a column member. The beam column prefabricated components are sequentially overlapped from bottom to top to form a vertical prefabricated unit, and then the beam column prefabricated components are sequentially overlapped from bottom to top to form another vertical prefabricated unit.
As shown in connection with fig. 1, 2, 3, for each individual beam column preform: the beam column prefabricated component comprises a plurality of prefabricated columns which are vertically arranged, and a plurality of groups of prefabricated beam groups which are arranged in a layered manner from top to bottom. The precast columns are in a vertical state, and a plurality of precast columns are arranged along the longitudinal direction, namely, the precast columns in a single beam column precast member are arranged along the front-rear direction. The precast beam group of each layer comprises a first precast beam and a second precast beam, two ends of the first precast beam are connected to two adjacent precast columns, two ends of the second precast beam are connected to two adjacent precast columns, a plurality of precast protruding beams which are sequentially arranged from top to bottom are arranged on the precast columns, and the precast protruding beams are arranged along the transverse direction. All prefabricated columns, all first prefabricated beams, all second prefabricated beams and all prefabricated protruding beams in the single beam column prefabricated component are integrally and pre-cast and formed in a factory, namely, the prefabricated components are integrally prefabricated in the factory, namely, each beam column prefabricated component is integrally prefabricated. In the beam column prefabricated part, four prefabricated columns are arranged along the front-back direction; some (higher) beam column preforms have three layers of precast beams, correspondingly, three precast beams on each precast column, and some (lower) beam column preforms have two layers of precast beams, correspondingly, two precast beams on each precast column. The precast beam groups are arranged from top to bottom, and the intervals between two adjacent precast beam groups are the same or different. For each set of precast beams: the rear end of the first precast beam is precast with one precast column, the front end of the first precast beam is precast with the other precast column, the rear end of the second precast beam is precast with the one precast column, and the front end of the second precast beam is precast with the other precast column. The height of the beam column prefabricated part is determined by the processing and road transportation capacity of a prefabricated factory, and 3 layers of prefabricated beam groups are suitable. The length of the protruding beam is preferably prefabricated so as to reach the inflection point. The left and right adjacent beam column prefabricated parts are connected together by connecting parts through beam plate prefabricated parts.
As shown in fig. 1, 2 and 4, the first prefabricated plate is provided with connecting beams at front and rear ends thereof, the connecting beams are arranged along a transverse direction, and the second prefabricated plate is connected with the first prefabricated plate through the connecting beams. The first precast slab, the connecting beam and the second precast slab which are connected together are integrally cast and formed in advance in a factory, namely, are integrally precast in the factory. The first precast slab, the connecting beam and the second precast slab which are integrally precast together are called a beam slab precast member; in general: the beam slab prefabricated part comprises two first prefabricated slabs, one second prefabricated slab and four connecting beams; the front end and the rear end of the two first precast slabs are all prefabricated with connecting beams, the rear end of the second precast slab is prefabricated with the connecting beam on one first precast slab, and the front end of the second precast slab is prefabricated with the connecting beam on the other first precast slab. Of course, according to the actual situation, in one beam slab prefabricated member, the number of the first prefabricated slabs and the second prefabricated slabs should be determined according to the actual situation. The left and right sides of the first precast slab are connected with the first precast beam through connecting components, the left and right sides of the second precast slab are connected with the second precast beam, and the left and right sides of the connecting beam are connected with the precast protruding beam through connecting components. A beam slab prefabricated part connects two adjacent precast beam groups together, and the two adjacent precast beam groups are located at the same height and respectively belong to components in two adjacent vertical precast units. For a beam slab preform: the left side of the first precast slab is connected with a first precast beam of a left vertical precast unit through a connecting component, and the right side of the first precast slab is connected with a first precast beam of a right vertical precast unit through a connecting component; the left side of the second precast slab is connected with a second precast beam of the left vertical precast unit, and the right side of the second precast slab is connected with a second precast beam of the right vertical precast unit; the left side of the connecting beam is connected with the prefabricated protruding beam of the left vertical prefabricated unit through a connecting component, and the right side of the connecting beam is connected with the prefabricated protruding beam of the right vertical prefabricated unit through a connecting component. The first prefabricated panel and the second prefabricated panel form a lateral space into which the prefabricated protruding beam is inserted to be coupled with the coupling beam. The four corners of first prefabricated plate are equipped with the right angle breach, and the side of first prefabricated plate right angle breach department is called right angle side board, and the precast column inserts in the right angle breach of first prefabricated plate, and right angle side board links together with the precast column through connecting elements, and right angle side board is attached to the precast column.
All the precast beam groups in each vertical precast unit are arranged at equal intervals in a high-low layering mode, namely, in one vertical precast unit, all the precast beam groups are arranged from bottom to top, and the intervals between two adjacent precast beam groups are the same. The first precast beams and the second precast beams in each layer of precast beam set are at the same height and are sequentially and alternately arranged, namely, in one precast beam set, the first precast beams and the second precast beams Liang Yici are alternately arranged and are at the same height. The length of the first precast beam is greater than that of the second precast beam, the precast beam groups at the lowest ends of all the vertical precast units are at the same height, the first precast beam is arranged at the forefront ends of all the precast beam groups, namely, for each vertical precast unit, the precast beam groups are arranged layer by layer upwards, and the intervals are the same. For all the sets of precast beams, the foremost end is either all the first precast beams or all the second precast beams. According to practical situations, all the precast beam groups in each vertical precast unit can be arranged at unequal intervals, and the first precast beam and the second precast beam in each layer of precast beam group can be not at the same height.
In the same vertical prefabrication unit, the heights of two upper and lower adjacent beam column prefabrication members are different, and the heights of the two upper and lower spaced beam column prefabrication members are the same or different; two beam-column prefabricated parts spaced up and down refer to only one beam-column prefabricated part between the two beam-column prefabricated parts, for example, a first beam-column prefabricated part and a third beam-column prefabricated part are called as two beam-column prefabricated parts spaced apart. In the two vertical prefabricated units adjacent left and right, the heights of the two beam column prefabricated components adjacent left and right are different. And in the two vertical prefabrication units which are left and right and are left and right, the heights of the two beam column prefabrication members which are left and right and are left and right are the same or different, and the two vertical prefabrication units which are left and right and are left and right are only one vertical prefabrication unit between the two vertical prefabrication units.
In one beam-column precast member, the number of precast protruding beams provided on one precast column is the same as the number of precast beam groups. That is, on one precast column, the number of precast protruding beams is the same as the number of precast beam groups in the beam column precast member where the precast column is located.
Referring to fig. 2, 6, 7 and 8, the column member includes an upper prefabricated section prefabricated at the lower end of the prefabricated column, a lower prefabricated section prefabricated at the upper end of the prefabricated column, and a connection bolt. The upper precast block is positioned at the lower end of the precast column, the upper precast block and the precast column are integrally precast, the lower precast block is positioned at the upper end of the precast column, and the lower precast block and the precast column are integrally precast. In a post column component, go up the prefabricated section and be located the lower extreme of certain prefabricated post, lower prefabricated section is located the upper end of the lower adjacent prefabricated post of this prefabricated post, and connecting bolt then will go up prefabricated section and lower prefabricated section to connect two adjacent prefabricated posts from top to bottom. The upper part of the connecting bolt is in threaded connection with the upper precast block, and the lower part of the connecting bolt is in threaded connection with the lower precast block. And on floors with larger stress, the pre-embedding depth of the upper precast block and the lower precast block can be increased. The column members can be made of polyacrylonitrile-based carbon fiber laminated materials or carbon fiber reinforced vinyl ester resin and other composite materials for 3D printing.
The upper precast block and the lower precast block are respectively provided with a plurality of through holes, and the edges of the upper precast block and the edges of the lower precast block are welded or in threaded connection with the reinforcement cage of the precast column. The beam column prefabricated part is formed by pouring concrete and a reinforcement cage, and the upper prefabricated block and the lower prefabricated block are poured together with the beam column prefabricated part, so that the concrete is poured into the through holes of the upper prefabricated block and the lower prefabricated block during pouring, and the weakening of the section of the concrete is reduced; the upper precast block and the lower precast block are generally made of steel materials, and the edge of the upper precast block and the edge of the lower precast block can be welded on a reinforcement cage, or the edge of the upper precast block and the edge of the lower precast block are in threaded connection on the reinforcement cage.
The connecting bolts are multiple, the periphery of the upper precast block is connected with the periphery of the lower precast block through the connecting bolts, and the center of the lower end of the upper precast block is connected with the center of the upper end of the lower precast block through the connecting bolts. In the invention, 5 connecting bolts are arranged, four connecting bolts are distributed at four corners of the upper precast block, and a fifth connecting bolt is positioned at the center of the upper precast block.
The connecting bolt comprises upper threads, a middle square block and lower threads; the thread rotation direction of the upper thread is opposite to the thread rotation direction of the lower thread. Thus, other devices can be used to screw the middle square block, and the upper connecting block and the lower connecting block are mutually close due to the opposite screw threads, so that the adjacent upper prefabricated column and the lower prefabricated column are connected together. The middle square is convenient to screw the connecting bolt by other equipment, and the projection of the middle square is regular polygon. There are a plurality of encryption stirrups that distribute down in proper order on the steel reinforcement cage of precast column, and the interval of two adjacent encryption stirrups is the same, and the steel reinforcement cage is vertical state, and the interval of encryption stirrups is the same with the length of middle part square.
As shown in connection with fig. 2 and 5, the connecting member includes a first connecting block and a second connecting block connected together by a bolt, the first connecting block is provided with a first wedge facing downward, the first wedge and the first connecting block form a first wedge groove, and an opening of the first wedge groove is located below. The second connecting block is provided with an upward second wedge block, the second wedge block and the second connecting block form a second wedge groove, and an opening of the second wedge groove is arranged above the second wedge groove. The first wedge is embedded in the second wedge groove, and the second wedge is embedded in the first wedge groove. The first prefabricated plate is connected with the first connecting beam, the right-angle side panel and the prefabricated column of the first prefabricated plate, the second prefabricated plate is connected with the second connecting beam, the first prefabricated plate is connected with the prefabricated protruding beam, and the prefabricated protruding beam is connected with the connecting beam through connecting components. The following description will be made with the first prefabricated panel and the first connecting beam as the columns: the first connecting block is prefabricated with the left side of first prefabricated plate together, is pouring together promptly, and the second connecting block is prefabricated with first tie beam together, then first voussoir embedding second wedge inslot, second voussoir embedding first wedge inslot, and first connecting block and second connecting block are still together through bolted connection simultaneously.
The assembled frame structure and the construction method thereof divide the frame structure into a plurality of units to be prefabricated in factories or construction sites, assemble the frame structure in the construction sites after finishing maintenance, separate beam columns from floor slab parts, weaken the reinforcing effect of the floor slab on the beam and weaken the heat bridge effect of the building. The method can ensure engineering quality, shorten construction period, save building materials and protect environment, meets the requirement of building industrialization, and realizes the damage mode of the strong column and the weak beam of the frame structure. In the traditional frame structure, the beams and the floor slab are integrally cast together, so that the rigidity of the beams is greatly increased, and the frame structure is difficult to realize the damage form of the strong-column weak-beam. In the invention, the beam slab prefabricated parts are connected with the prefabricated beams through the connecting parts, the number of the connecting parts can be determined according to the realization needs, and the connection between the floor slab and the beams is weakened through the form of the connecting parts, so that the purpose of strengthening the column and weakening the beams is realized.
Referring to fig. 9, a construction method of an assembled frame structure includes the steps of:
the first step: hoisting the beam column prefabricated part in the first stage to a design position and solidifying the beam column prefabricated part with a foundation; the first beam column prefabricated part of each vertical prefabricated unit is hoisted to a set position, and the beam column prefabricated parts are fixedly connected with an underground foundation.
And a second step of: hoisting the first precast slab and the second precast slab which are of an integrated structure to the corresponding positions of the beam column precast members, connecting the first precast slab with the first precast beam through the connecting members, and connecting the precast protruding beam with the connecting beam through the connecting members; the beam column prefabricated part is hoisted firstly, then the beam slab prefabricated part is hoisted, and the beam slab prefabricated part and the beam column prefabricated part are connected together.
And a third step of: the void between the first precast slab and the precast column is poured with self-compacting concrete, the strength of the self-compacting concrete is higher than that of the concrete used for the Yu Liangzhu precast element, the strength of the self-compacting concrete is one level higher than that of the concrete used for the beam column precast element, the void between the first precast slab and the first connecting beam is filled with polystyrene boards, the void between the first precast slab and the precast protruding beam is filled with polystyrene boards, and the void between the second precast slab and the second connecting beam is filled with polystyrene boards. I.e. the prefabricated parts and the beam slab prefabricated parts are assembled, and the corresponding gaps are filled with self-compacting concrete and polystyrene slabs. The gap between the first precast slab and the precast beam set is filled with a polystyrene slab, and the gap between the first precast slab and the precast beam set is filled with a polystyrene slab.
Fourth step: hoisting a beam column prefabricated part at the next stage to the upper part of the beam column prefabricated part which is completed with construction and hovering, and then connecting two upper and lower adjacent beam column prefabricated parts together by using a connecting bolt, wherein the descending speed of the hoisted beam column prefabricated part is kept to be the same as the tightening speed of the connecting bolt;
fifth step: and sequentially repeating the second step, the third step and the fourth step until the construction of the assembled frame structure is completed.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (8)
1. An assembled frame construction, characterized in that: comprises a plurality of vertical prefabricated units arranged along the transverse direction, a plurality of first prefabricated plates and a plurality of second prefabricated plates;
the vertical prefabrication unit comprises a plurality of beam column prefabrication members which are sequentially connected together from bottom to top, and two adjacent beam column prefabrication members are connected together through a column member;
the first precast beams and the second precast beams in each layer of precast beam groups are positioned at the same height and are sequentially and alternately arranged, the precast beam group at the bottommost end in all the vertical precast units is positioned at the same height, and the first precast beam is positioned at the foremost end in all the precast beam groups; in the same vertical prefabrication unit, the heights of two upper and lower adjacent beam column prefabrication members are different, and the heights of the two upper and lower spaced beam column prefabrication members are the same or different; in the two vertical prefabricating units adjacent left and right, the heights of the two beam column prefabricating members adjacent left and right are different; in the two vertical prefabricating units which are spaced left and right, the heights of the two beam column prefabricating members which are spaced left and right are the same or different;
the beam column prefabricated part comprises a plurality of prefabricated columns which are vertically arranged, and a plurality of groups of prefabricated beam groups which are arranged in a layered manner from top to bottom; the prefabricated beams of each layer comprise a first prefabricated beam and a second prefabricated beam, two ends of the first prefabricated beam are connected to two adjacent prefabricated columns, two ends of the second prefabricated beam are connected to two adjacent prefabricated columns, a plurality of prefabricated protruding beams which are sequentially arranged from top to bottom are arranged on the prefabricated columns, and the prefabricated protruding beams are arranged along the transverse direction;
the front and back both ends of first prefabricated plate are equipped with the tie-beam, and the tie-beam is along horizontal arrangement, and the second prefabricated plate passes through the tie-beam to be connected with first prefabricated plate, and the left and right sides of first prefabricated plate passes through connecting element to be connected with first prefabricated beam, and the left and right sides of second prefabricated plate meets with the second prefabricated beam, and the left and right sides of tie-beam passes through connecting element to be connected with prefabricated outstanding roof beam.
2. A fabricated frame structure according to claim 1, wherein: in one beam-column precast member, the number of precast protruding beams provided on one precast column is the same as the number of precast beam groups.
3. A fabricated frame structure according to claim 1, wherein: the column component comprises an upper precast block precast at the lower end of the precast column, a lower precast block precast at the upper end of the precast column and a connecting bolt; the upper part of the connecting bolt is in threaded connection with the upper precast block, and the lower part of the connecting bolt is in threaded connection with the lower precast block.
4. A fabricated frame structure according to claim 3, wherein: the upper precast block and the lower precast block are respectively provided with a plurality of through holes, and the edges of the upper precast block and the edges of the lower precast block are welded or in threaded connection with the reinforcement cage of the precast column.
5. A fabricated frame structure according to claim 3, wherein: the connecting bolts are multiple, the periphery of the upper precast block is connected with the periphery of the lower precast block through the connecting bolts, and the center of the lower end of the upper precast block is connected with the center of the upper end of the lower precast block through the connecting bolts.
6. A fabricated frame structure according to claim 3, wherein: the connecting bolt comprises upper threads, a middle square block and lower threads; the thread rotation direction of the upper thread is opposite to the thread rotation direction of the lower thread.
7. A fabricated frame structure according to claim 1, wherein: the connecting component comprises a first connecting block and a second connecting block which are connected together through bolts, the first connecting block is provided with a downward first wedge block, and the first wedge block and the first connecting block form a first wedge groove; the second connecting block is provided with an upward second wedge block, and the second wedge block and the second connecting block form a second wedge groove; the first wedge is embedded in the second wedge groove, and the second wedge is embedded in the first wedge groove.
8. A method of constructing a fabricated frame structure as claimed in claim 1, wherein: the method comprises the following steps:
the first step: hoisting the beam column prefabricated part in the first stage to a design position and solidifying the beam column prefabricated part with a foundation;
and a second step of: hoisting the first precast slab and the second precast slab which are of an integrated structure to the corresponding positions of the beam column precast members, connecting the first precast slab with the first precast beam through the connecting members, and connecting the precast protruding beam with the connecting beam through the connecting members;
and a third step of: filling the gap between the first precast slab and the precast column with self-compacting concrete, filling the gap between the first precast slab and the first connecting beam with polystyrene boards, filling the gap between the first precast slab and the precast protruding beam with polystyrene boards, and filling the gap between the second precast slab and the second connecting beam with polystyrene boards, wherein the self-compacting concrete has high strength Yu Liangzhu;
fourth step: hoisting a beam column prefabricated part at the next stage to the upper part of the beam column prefabricated part which is completed with construction and hovering, and then connecting two upper and lower adjacent beam column prefabricated parts together by using a connecting bolt, wherein the descending speed of the hoisted beam column prefabricated part is kept to be the same as the tightening speed of the connecting bolt;
fifth step: and sequentially repeating the second step, the third step and the fourth step until the construction of the assembled frame structure is completed.
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| CN109518802A (en) * | 2018-12-03 | 2019-03-26 | 上海建工二建集团有限公司 | A kind of assembled beam-column structure and its construction method |
| CN109667350A (en) * | 2019-01-30 | 2019-04-23 | 沈阳建筑大学 | A kind of assembling frame structure node based on screw rod tenon structure |
| CN110206347B (en) * | 2019-05-18 | 2020-11-24 | 陕西建工第五建设集团有限公司 | Side span structure of assembled electronic factory building and construction method thereof |
| CN110984368A (en) * | 2019-06-28 | 2020-04-10 | 王海崴 | Steel plate component for connecting frame structure support steel bar and beam steel bar |
| CN113513178B (en) * | 2021-03-02 | 2022-11-01 | 江苏吴中建设集团有限公司 | Rack-shaped seam assembly type beam plate |
| CN115404980A (en) * | 2022-08-09 | 2022-11-29 | 四川宇砼建材有限公司 | Novel UHPC-based precast concrete frame structure system and construction method thereof |
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| US4443985A (en) * | 1981-08-31 | 1984-04-24 | Jaime Moreno | Composite building construction comprising a combination of precast and poured-in-place concrete |
| JP4657993B2 (en) * | 2006-07-06 | 2011-03-23 | 株式会社奥村組 | Beam-column joint structure and construction method thereof |
| WO2012072671A1 (en) * | 2010-11-30 | 2012-06-07 | Maurice O'brien | A composite beam flooring system |
| CN102191826A (en) * | 2011-07-08 | 2011-09-21 | 常州灵通展览用品有限公司 | Lamplight wall |
| CN103195170B (en) * | 2013-04-03 | 2015-07-15 | 中铁建设集团有限公司 | Prefabricated reinforced concrete frame structure system |
| CN104405091B (en) * | 2014-11-21 | 2017-01-18 | 重庆大军建材有限公司 | Vertical column for connecting foot plate frame and vertical column and transverse rod connecting piece |
| CN105839846A (en) * | 2016-03-22 | 2016-08-10 | 哈尔滨工业大学 | Prefabricated reinforced concrete composite beam |
| CN106760507B (en) * | 2017-01-19 | 2019-05-28 | 河南工业大学 | Cast-in-place column and its construction method in a kind of civil construction |
| CN207794300U (en) * | 2018-01-18 | 2018-08-31 | 广州大学 | A kind of assembling frame structure |
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