CN111608270A - Prefabricated through long column concrete assembled frame structure and construction method thereof - Google Patents
Prefabricated through long column concrete assembled frame structure and construction method thereof Download PDFInfo
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- CN111608270A CN111608270A CN202010375641.0A CN202010375641A CN111608270A CN 111608270 A CN111608270 A CN 111608270A CN 202010375641 A CN202010375641 A CN 202010375641A CN 111608270 A CN111608270 A CN 111608270A
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- 238000010276 construction Methods 0.000 title claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
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- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 4
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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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3511—Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof
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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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3516—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by erecting a vertical structure and then adding the floors from top to bottom
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Abstract
The invention relates to a prefabricated through long column concrete assembled frame structure and a construction method thereof, wherein the prefabricated through long column concrete assembled frame structure comprises prefabricated columns, prefabricated plates, prefabricated beams, prefabricated wallboards and inclined struts, wherein the prefabricated columns are 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 invention can solve the connection problem of the current vertical member, reduce the safety problems of the use of a support system, the support of a template, the concrete pouring operation and the high-rise operation, increase the repeated use of construction tools, ensure the overall construction quality, shorten the operation time of a construction site and meet the requirements of the quality, the safety and the progress of site construction.
Description
Technical Field
The invention relates to a prefabricated through long column concrete assembled frame structure and a construction method thereof.
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.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a prefabricated through long column concrete assembled frame structure and a construction method thereof, which adopt downward assembly construction layer by layer, can solve the connection problem of the current vertical members, reduce the safety problems of support system use, formwork support, concrete pouring operation and high-rise operation, increase the repeated use of construction tools, ensure the overall construction quality, shorten the operation time of a construction site, and meet the requirements of the quality, safety and progress of site construction.
The technical scheme adopted by the invention is as follows: 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.
A construction method of a prefabricated through long column concrete assembled frame structure comprises the following steps:
a. the prefabricated through long column, the prefabricated plate, the prefabricated beam and the prefabricated wall plate are manufactured, maintained and conveyed to a construction site; if the length of the prefabricated column is too long, the manufacturing and maintenance are finished on the construction site; the inclined strut is a steel member manufactured in a steel processing factory;
b. transporting the prefabricated through long columns to a specified position, fixing the prefabricated through long columns on the foundation after the manufacturing and maintenance are finished by using a vertical pile machine, installing inclined struts between every two adjacent prefabricated through long columns, and installing hoisting machinery at the tops of the prefabricated vertical columns;
c. hoisting the prefabricated slab to the design height of the top floor slab, and temporarily fixing the prefabricated slab and a column embedded fastener of the prefabricated through long column;
d. hoisting the precast beam to the design height of the top beam, and temporarily fixing the precast beam with the embedded horizontal cantilever end of the precast through long column;
e. adjusting the relative positions of the prefabricated through long column, the prefabricated plate and the prefabricated beam, connecting the beam reserved steel bars of the prefabricated beam with the column reserved steel bars on the prefabricated through long column, and then positioning, shaping and fixedly connecting the joints of the prefabricated through long column, the prefabricated plate and the prefabricated beam;
f. removing the diagonal brace on the layer below the top floor;
g. and d, repeating the steps c-f, and assembling and constructing layer by layer downwards until the whole building structure is completed.
And step f, after the inclined strut is removed, hoisting the prefabricated wall board, and hoisting the prefabricated wall board on the beam embedded steel sheet at the bottom of the prefabricated beam.
The invention has the positive effects that:
the integrity is good, and the structure safety and collapse resistance are improved: the prefabricated through long column adopted by the concrete assembly type frame structure avoids layered manufacturing and assembly of vertical stressed components, ensures the integrity of the prefabricated column, is more continuous and uniform in structural force transmission and deformation during load action, and is beneficial to improving the safety, reliability and collapse resistance of the structure.
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 provides possibility for downward assembly construction layer by layer, the assembly construction layer by layer is carried out from the top layer to the bottom layer, most of components are completed on the ground and are directly lifted and installed when being transported to a projection position, the use of rotary operation of a tower crane is reduced, a large amount of operations such as formwork erecting, pouring, maintenance and the like are reduced, and the construction operation is simple and convenient; 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 assembly type construction sequence is carried out from top to bottom, and after the top layer construction is completed, the influence of adverse weather such as wind, rain, snow and the like on construction operations such as hoisting, fixing, pouring and the like of a lower floor can be reduced.
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 is prefabricated and hoisted, the operations of pouring, vibrating, maintaining and the like are basically not needed, the next operation step can be directly carried out, and the construction period is obviously reduced;
fifthly, construction quality is improved: most structural members of the assembly type construction method are completed on the ground, so that high-altitude operations such as high-altitude pouring, formwork supporting, formwork removing and vibrating 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 fabricated connecting construction of the invention adopts the common steel bar connection and concrete connection of the concrete structure, thereby realizing the construction sequence from the top to the bottom which is different from the conventional construction sequence and reducing the temporary support of the horizontal component.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention after construction in step b;
FIG. 2 is a schematic structural diagram of a step d of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention after step f;
FIG. 4 is a schematic structural diagram of an embodiment of the present invention after step g;
FIG. 5 is a schematic structural view of a prefabricated through column of the present invention;
FIG. 6 is a schematic diagram of a structure of a pre-buried horizontal cantilever end according to the present invention;
FIG. 7 is a schematic view of a precast beam structure according to the present invention;
FIG. 8 is a schematic view showing the construction of a prefabricated panel according to the present invention;
fig. 9 is a schematic view of the structure of the prefabricated wall panel of the present invention.
Detailed Description
Example 1
As shown in fig. 1 to 9, the frame structure of the present invention includes precast columns, precast girders 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 is 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.
As shown in fig. 6-8, column preformed reinforcements 8 are arranged on the prefabricated through-length column 1, beam preformed reinforcements 11 are respectively arranged at two ends of the prefabricated beam 3, and the beam preformed reinforcements 11 are connected with the corresponding column preformed reinforcements 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.
Example 2
The embodiment provides a construction method of a prefabricated through-column fabricated concrete frame structure without prefabricated wall panels 4, which comprises 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 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 column 1 is transported to a designated position, the vertical pile machine is used for fixing the prefabricated through long column 1 to the foundation of which the manufacturing and maintenance are finished, the inclined strut 5 is installed between the adjacent prefabricated through long columns 1, and the hoisting machinery 6 is installed at the top of the prefabricated through long column 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. And (4) removing 1 layer of inclined struts 5 below the top floor slab, and repeating the construction method in the same form as the steps c-e to construct layer by layer downwards until the structural construction of the whole building is completed.
The construction method of the invention creatively provides a scheme for construction from top to bottom, which is opposite to the traditional scheme for construction from bottom to top, breaks through the traditional construction mode, can solve the connection problem of the current vertical members, reduces the safety problems of the use of a support system and high-rise operation, increases the repeated use of construction tools, ensures the overall construction quality, shortens the operation time of a construction site, and meets the requirements of the quality, the safety and the progress of site construction.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
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).
8. A construction method for a prefabricated through long column concrete assembled frame structure is characterized by comprising the following steps:
a. manufacturing, maintaining and conveying the prefabricated through long column (1), the prefabricated plate (2), the prefabricated beam (3) and the prefabricated wall plate (4) to a construction site; if the length of the prefabricated column is too long, the manufacturing and maintenance are finished on the construction site; the inclined strut is a steel member manufactured in a steel processing factory;
b. the prefabricated through long columns (1) are transported to a specified position, the prefabricated through long columns are fixed on the foundation after the manufacturing and maintenance are completed through a vertical pile machine, inclined struts (5) are installed between every two adjacent prefabricated through long columns (1), and hoisting machinery (6) is installed at the tops of the prefabricated vertical columns (1);
c. hoisting the prefabricated slab (2) to the designed height of the top floor slab, and temporarily fixing the prefabricated slab and a column embedded fastener (10) of the prefabricated through long column (1);
d. hoisting the precast beam (3) to the designed height of the top beam, and temporarily fixing the precast beam with a pre-buried horizontal cantilever end (7) of the precast 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 beam reserved steel bar (11) of the prefabricated beam (3) with a column reserved steel bar (8) on the prefabricated through long column (1), and then positioning, shaping and fixedly connecting the joints of the prefabricated through long column (1), the prefabricated plate (2) and the prefabricated beam (3);
f. removing the diagonal brace (5) on one layer below the top floor;
g. and d, repeating the steps c-f, and assembling and constructing layer by layer downwards until the whole building structure is completed.
9. The construction method of the prefabricated through long column concrete assembled frame structure according to the claim 8, characterized in that in the step f, after the inclined strut (5) is removed, the prefabricated wall panel (4) is hoisted and hung on the beam embedded steel sheet (12) at the bottom of the prefabricated beam (3).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809302A (en) * | 2022-02-28 | 2022-07-29 | 三能集成房屋股份有限公司 | Fully-assembled building and assembling method thereof |
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| US6082058A (en) * | 1996-10-07 | 2000-07-04 | Deng; Genghou | Lifting method of building construction from top to bottom |
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| CN110847616A (en) * | 2019-11-27 | 2020-02-28 | 山东国舜建设集团有限公司 | Method for mounting large-volume steel frame flue |
| CN212772827U (en) * | 2020-05-07 | 2021-03-23 | 河北科技大学 | Prefabricated through-long-column concrete assembled frame structure |
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| CN108532768A (en) * | 2018-05-20 | 2018-09-14 | 王燏斌 | The constructing device and its construction method of assembled architecture are built with box |
| CN109469202A (en) * | 2018-12-12 | 2019-03-15 | 中国建筑技术集团有限公司 | Prestressed assembly integral concrete frame structure system and construction method thereof |
| CN110847616A (en) * | 2019-11-27 | 2020-02-28 | 山东国舜建设集团有限公司 | Method for mounting large-volume steel frame flue |
| CN212772827U (en) * | 2020-05-07 | 2021-03-23 | 河北科技大学 | Prefabricated through-long-column concrete assembled frame structure |
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| CN114809302A (en) * | 2022-02-28 | 2022-07-29 | 三能集成房屋股份有限公司 | Fully-assembled building and assembling method thereof |
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