CN212772827U - Prefabricated through-long-column concrete assembled frame structure - Google Patents

Prefabricated through-long-column concrete assembled frame structure Download PDF

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Publication number
CN212772827U
CN212772827U CN202020728403.9U CN202020728403U CN212772827U CN 212772827 U CN212772827 U CN 212772827U CN 202020728403 U CN202020728403 U CN 202020728403U CN 212772827 U CN212772827 U CN 212772827U
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prefabricated
column
long
precast
embedded
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CN202020728403.9U
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马康
叶锡豪
于海丰
赵洋
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Hebei University of Science and Technology
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Hebei University of Science and Technology
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Abstract

The utility model relates to a prefabricated through long column concrete assembled frame structure, which comprises a prefabricated column, a prefabricated plate, a prefabricated beam, a prefabricated wall plate and an inclined strut, wherein the prefabricated column is formed by combining a plurality of prefabricated through long columns; the inclined struts are connected between the adjacent prefabricated through long columns in a cross mode; the precast beams are horizontally and transversely connected with the adjacent precast through long columns to form a layered structure; the precast slab is arranged on the pre-buried fastener of each layer of the precast column; the utility model discloses can solve the connection problem of current vertical member, reduce the security problem that braced system used, formwork support, concrete placement operation and high-rise operation, increase the used repeatedly of construction apparatus, both guaranteed whole construction quality, shortened the job site operating time again, accord with the requirement of the quality of site operation, safety, progress.

Description

Prefabricated through-long-column concrete assembled frame structure
Technical Field
The utility model relates to a prefabricated through long post concrete assembled frame construction.
Background
With the shortage of labor force in the construction industry and the increasing demand of people for good life in recent years, the traditional construction mode is not suitable for the current industry situation, the industrialization of the construction is actively promoted, and the realization of the construction target of low carbon, green, environmental protection and energy conservation is promoted.
At present, the assembly type construction sequence adopted in the industry is mostly a traditional mode of building from a low layer to a high layer by layer, and the construction mode still has a plurality of defects: first, structural integrity is inadequate; secondly, the construction operation is complicated, and the rotation operation of the tower crane is not beneficial to the field construction safety management of high-altitude operation; thirdly, the influence of adverse weather is large, and the working efficiency is low; fourthly, the construction quality has no effective detection means temporarily; fifth, the use of support systems increases the difficulty of on-site safety management. These problems have caused some obstacles to the widespread use of the fabricated building.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a prefabricated logical long column concrete assembled frame construction is provided, can solve the connection problem of current vertical component, reduce the security problem that braced system used and high-rise operation.
The utility model adopts the technical proposal that: a prefabricated through long column concrete assembled frame structure comprises prefabricated columns, prefabricated plates, prefabricated beams and inclined struts;
the prefabricated column is formed by combining a plurality of prefabricated through-long columns; the inclined struts are connected between the adjacent prefabricated through long columns in a cross mode; the precast beams are horizontally and transversely connected with the adjacent precast through long columns to form a layered structure; the prefabricated plate is arranged on the column embedded fastener of each layer of the prefabricated through long column.
Furthermore, the length of the prefabricated through long column is equal to the total height of the building structure, and hoisting machinery is installed at the top in the construction process.
Furthermore, a pre-buried horizontal cantilever end is arranged on the prefabricated through long column, and two ends of the prefabricated beam are lapped on the pre-buried horizontal cantilever end.
Furthermore, column reserved steel bars are arranged on the prefabricated through long columns, beam reserved steel bars are arranged at two ends of the prefabricated beam respectively, and the beam reserved steel bars are connected with the corresponding column reserved steel bars.
Furthermore, column pre-embedded fasteners are arranged on the prefabricated through-length columns, plate reserved steel bars are arranged at four corners of each prefabricated plate respectively and are connected with the corresponding column pre-embedded fasteners.
Furthermore, a column embedded steel sheet used for being connected with the inclined strut is arranged on the prefabricated through long column.
Furthermore, the lower terminal surface of precast beam is provided with the pre-buried steel sheet of roof beam, is provided with prefabricated wallboard between two-layer precast beam the top of prefabricated wallboard is provided with the wallboard connecting fastener that is used for being connected with the pre-buried steel sheet of roof beam.
The utility model discloses an actively the effect does:
the integrity is good, and the structure safety and collapse resistance are improved: the utility model discloses the prefabricated through-length post that concrete assembled frame construction adopted has avoided vertical atress component layering preparation assembly, has guaranteed prefabricated post wholeness, and the structure passes power and warp more even in succession when the load acts on, is favorable to improving structure security, reliability and collapse resistance ability.
Secondly, the construction operation is simple and convenient, and the safety management of engineering high-altitude construction operation is facilitated: the prefabricated through long column of the utility model provides possibility for downward assembly construction layer by layer, the assembly construction layer by layer from the top layer to the bottom layer, most of the operation of the components is completed on the ground, and the components are transported to the projection position to be directly lifted and installed, thereby reducing the use of the rotation operation of the tower crane, reducing a large amount of operations such as formwork supporting, pouring and maintenance, and having simple and convenient construction operation; the crossing and collision of the transportation, hoisting and installation construction operations in space and time are avoided, and the engineering safety management is facilitated.
Thirdly, the top layer is assembled firstly, so that the influence of adverse weather on construction is reduced: the utility model discloses an assembled construction order is from last down going on, is accomplishing the top layer construction back, can reduce adverse weather such as wind, rain and snow to the hoist and mount of following floor, fixed, pour the influence of the construction operation such as.
Fourthly, the project progress is fast, and the construction period is reduced: after the initial construction of the prefabricated upright column is finished, the construction processes of hoisting, fixing, connecting and pouring the vertical member are not needed; one plane layer is locally poured once, and all components can be connected into a whole; after the prefabricated part of the utility model is prefabricated and hoisted, the operations of pouring, vibrating, maintaining and the like are basically not needed, the next operation step can be directly switched to, and the construction period is obviously reduced;
fifthly, construction quality is improved: most structural members of the assembly type construction method are finished on the ground, high-altitude operations such as high-altitude pouring, formwork supporting, formwork stripping, vibrating and the like are avoided, meanwhile, the prefabrication environment can be manually controlled, and the quality of prefabricated members is guaranteed; the horizontal cantilever end of the prefabricated stand column can play a role in reinforcing beam-column connection, and concrete at the joint of the node is prevented from cracking.
Sixthly, the use of a support system is reduced: the utility model discloses an assembly type connection construction all adopts steel bar connection and concrete connection commonly used of concrete structure, has accomplished the construction order of going on downwards from the top different with conventional, has reduced the interim support of horizontal component.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation position of the hoisting machine of the present invention;
FIG. 3 is a schematic structural view of the prefabricated through-column of the present invention;
fig. 4 is a schematic structural view of a pre-buried horizontal cantilever end of the present invention;
FIG. 5 is a schematic structural view of the precast beam of the present invention;
FIG. 6 is a schematic diagram of the structure of the prefabricated panel of the present invention;
figure 7 is the utility model discloses prefabricated wallboard structure schematic diagram.
Detailed Description
As shown in fig. 1 to 7, the frame structure of the present invention includes precast columns, precast beams 3, precast slabs 2, and diagonal braces 5.
The prefabricated post is formed by 4 prefabricated through-length posts 1 combinations, and the length of prefabricated through-length post 1 equals building structure overall height, and hoist and mount hoisting machinery 6 is installed at the top in the work progress, optional hydraulic lifting equipment, electric block or hoist engine etc..
The inclined struts 5 are arranged between two adjacent prefabricated through long columns 1 in a crossed manner; the prefabricated through long column 1 is provided with a pre-buried horizontal cantilever end 7, the prefabricated beam 3 is horizontally lapped on the pre-buried horizontal cantilever ends 7 of two adjacent prefabricated through long columns 1, and the prefabricated plates 2 are arranged on the column pre-buried fasteners 10 of the prefabricated through long columns 1 in a layered mode.
Column reserved steel bars 8 are arranged on the prefabricated through long column 1, beam reserved steel bars 11 are respectively arranged at two ends of the prefabricated beam 3, and the beam reserved steel bars 11 are connected with the corresponding column reserved steel bars 8; a column embedded steel sheet 9 used for being connected with the inclined strut 5 is arranged on the prefabricated through long column 1; and a column embedded fastener 10 used for being connected with the precast slab 2 is arranged on the precast through long column 1.
The lower terminal surface of precast beam 3 is provided with roof beam embedded steel 12, is provided with the connecting hole on roof beam embedded steel 12, is provided with prefabricated wallboard 4 between two-layer precast beam 3 the top of prefabricated wallboard 4 is provided with the wallboard connecting fastener 14 that is used for being connected with roof beam embedded steel 12, and wallboard connecting fastener 14 can detain in the connecting hole of roof beam embedded steel 12.
The embodiment provides a construction method of a prefabricated through long column concrete assembled frame structure containing prefabricated wall boards 4, and the construction of the floor of the whole structure is constructed by adopting downward assembly layer by layer. During construction, the prefabricated through long column 1 is hoisted and fixed by the inclined strut 5, the prefabricated plate 2 is placed on the top structure layer, the prefabricated beam 3 on the top layer is placed, the prefabricated wall plate 4 is placed at last, and construction is sequentially carried out from top to bottom.
The length of the prefabricated through long column 1 is the total height of the structure, and the side surface of the prefabricated through long column is reserved with an embedded steel sheet for temporarily fixing the inclined strut 5, an embedded horizontal cantilever end 7 perpendicular to the side surface of the column and a column embedded fastener 10 of the prefabricated plate 2, which is greatly different from the traditional prefabricated column, such as the prefabricated column in the technical specification of prefabricated concrete structure JGJ 1-2014.
As shown in fig. 1 to 4, the specific construction method of the embodiment includes the following steps:
a. and designing a general assembly drawing and manufacturing a construction drawing by using prefabricated components, wherein the components comprise a prefabricated through long column 1, a prefabricated plate 2, a prefabricated beam 3, a prefabricated wall plate 4 and an inclined strut 5. The prefabricated through long column 1, the prefabricated plate 2, the prefabricated beam 3 and the inclined strut 5 are manufactured, maintained and conveyed to a specified stacking place of a construction site; considering that the length of the prefabricated through long column 1 is too long, the manufacturing and maintenance are completed on a construction site; the diagonal brace 5 is a steel member manufactured in a steel processing plant.
b. The prefabricated through long columns 1 are transported to the designated positions, the vertical pile machine is used for fixing the prefabricated through long columns to the foundation where the manufacturing and maintenance are completed, the inclined struts 5 are installed between the adjacent prefabricated through long columns 1 in a crossed mode, and hoisting machinery 6 is installed at the tops of the prefabricated vertical columns 1.
c. Hoisting the precast slab 2 to the design height of a top floor slab, and temporarily fixing the slab reserved steel bars 13 of the precast slab 2 with the column embedded fasteners 10 of the precast through long columns 1; the post fastener 10 is required to meet the load bearing requirements of the current specifications.
d. And hoisting the prefabricated superposed beam 3 to the designed height of the top beam, and temporarily fixing the superposed beam with the embedded horizontal cantilever end 7 of the prefabricated through long column 1.
e. Adjusting the relative positions of the prefabricated through long column 1, the prefabricated plate 2 and the prefabricated beam 3, connecting a reserved steel bar 11 of the prefabricated beam 3 with a reserved steel bar 8 on the prefabricated through long column 1, and then positioning, shaping and fixedly connecting the beam-column plate connection part; the horizontal member of the top layer can be assembled at one time, so that the construction period is reduced; the positioning, shaping and fixedly connecting can adopt a concrete pouring process.
f. Demolish 1 layer of bracing 5 below the top floor, hoist prefabricated wallboard 4 to current construction level height, be connected the wallboard connecting fastener 14 of prefabricated wallboard 4 and the beam embedded steel sheet 12 of 3 bottoms of precast beam.
g. And (f) repeating the construction method in the same form as the steps c-f, and constructing downwards layer by layer until the structural construction of the whole building is completed, wherein the conventional seam treatment is required to be carried out on the periphery of each layer of the prefabricated wall panel 4.
The prefabricated wall panel 4 is a wall panel having a function of closing a peripheral space or partitioning a space, except for the stressed wall panel.
After the hoisting and fixing of the prefabricated through long column 1 are completed in the step b, no other vertical members except the prefabricated wall plate 4 need to be constructed in the subsequent construction process, and the rest horizontal members comprise the prefabricated plate 2 and the prefabricated beam 3, which is greatly different from the traditional construction mode of hoisting the vertical members and the horizontal members of the current layer from bottom to top layer by layer, such as the assembly construction in the technical specification of prefabricated concrete structures JGJ 1-2014.
The inclined strut 5 of the embodiment is installed to enhance the stability of the whole structure when the hoisting and fixing of the prefabricated through-length column 1 are completed.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (7)

1. A prefabricated through long column concrete assembled frame structure is characterized by comprising prefabricated columns, prefabricated plates (2), prefabricated beams (3) and inclined struts (5);
the prefabricated column is formed by combining a plurality of prefabricated through long columns (1); the inclined struts (5) are connected between the adjacent prefabricated through long columns (1) in a cross mode; the precast beams (3) are horizontally and transversely connected with the adjacent precast through long columns (1) to form a layered structure; the precast slab (2) is arranged on the column embedded fastener of each layer of the precast through long column.
2. A prefabricated through-column concrete fabricated frame structure according to claim 1, characterized in that the length of the prefabricated through-column (1) is equal to the total height of the building structure, and a hoisting crane (6) is installed at the top during construction.
3. The prefabricated through long column concrete assembled frame structure of claim 1, wherein a pre-embedded horizontal cantilever end (7) is arranged on the prefabricated through long column (1), and two ends of the prefabricated beam (3) are lapped on the pre-embedded horizontal cantilever end (7).
4. The prefabricated through long column concrete assembled frame structure according to claim 1 or 3, wherein column preformed steel bars (8) are arranged on the prefabricated through long column (1), beam preformed steel bars (11) are respectively arranged at two ends of the prefabricated beam (3), and the beam preformed steel bars (11) are connected with the corresponding column preformed steel bars (8).
5. The prefabricated through long column concrete assembled frame structure according to claim 1, wherein column embedded fasteners (10) are arranged on the prefabricated through long column (1), plate reserved steel bars (13) are arranged at four corners of the prefabricated plate (2) respectively, and the plate reserved steel bars (13) are connected with the corresponding column embedded fasteners (10).
6. The prefabricated through long column concrete assembled frame structure according to claim 1, wherein a column embedded steel sheet (9) for connecting with the diagonal brace (5) is arranged on the prefabricated through long column (1).
7. The prefabricated through long column concrete assembled frame structure according to claim 1, characterized in that the lower end surface of the precast beam (3) is provided with a beam embedded steel sheet (12), a precast wallboard (4) is arranged between the two layers of precast beams (3), and a wallboard connecting fastener (14) for connecting with the beam embedded steel sheet (12) is arranged at the top end of the precast wallboard (4).
CN202020728403.9U 2020-05-07 2020-05-07 Prefabricated through-long-column concrete assembled frame structure Active CN212772827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020728403.9U CN212772827U (en) 2020-05-07 2020-05-07 Prefabricated through-long-column concrete assembled frame structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020728403.9U CN212772827U (en) 2020-05-07 2020-05-07 Prefabricated through-long-column concrete assembled frame structure

Publications (1)

Publication Number Publication Date
CN212772827U true CN212772827U (en) 2021-03-23

Family

ID=75066560

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020728403.9U Active CN212772827U (en) 2020-05-07 2020-05-07 Prefabricated through-long-column concrete assembled frame structure

Country Status (1)

Country Link
CN (1) CN212772827U (en)

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