CN113957993B - An assembly system and its construction method - Google Patents
An assembly system and its construction methodInfo
- Publication number
- CN113957993B CN113957993B CN202111392671.3A CN202111392671A CN113957993B CN 113957993 B CN113957993 B CN 113957993B CN 202111392671 A CN202111392671 A CN 202111392671A CN 113957993 B CN113957993 B CN 113957993B
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- China
- Prior art keywords
- prefabricated
- precast
- beams
- secondary beam
- main beam
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Classifications
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
本发明公开一种装配体系以及其施工方法，涉及建筑技术领域，为解决节点连接问题，本发明包括预制柱、预制主梁、预制次梁以及预制楼板。预制主梁沿第一方向设置，且与相邻的两个预制柱相连，预制主梁部分伸入预制柱内。预制次梁沿第二方向设置，第二方向与第一方向垂直，预制次梁的端部与预制主梁相连。预制楼板的端部与预制次梁相连。本发明用于多层装配建筑。
This invention discloses an assembly system and its construction method, relating to the field of building technology. To solve the problem of node connection, this invention includes precast columns, precast main beams, precast secondary beams, and precast floor slabs. The precast main beams are arranged along a first direction and connected to two adjacent precast columns, with a portion of the main beam extending into the precast columns. The precast secondary beams are arranged along a second direction, perpendicular to the first direction, and their ends are connected to the precast main beams. The ends of the precast floor slabs are connected to the precast secondary beams. This invention is used in multi-story precast buildings.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an assembly system and a construction method thereof.
Background
In the multi-story building, because prefabricated girder and prefabricated secondary beam have great weight, consequently, need carry out full hall to prefabricated girder and prefabricated secondary beam when installing to guarantee that prefabricated girder and prefabricated secondary beam can normally install, so, the construction degree of difficulty is big, with high costs, and the junction processing difficulty.
Disclosure of Invention
The embodiment of the invention provides an assembly system and a construction method thereof, which solve the problems of node connection in the prior multi-layer building and the problem that the bottom of a beam needs to be additionally supported during construction.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
In one aspect, the embodiment of the invention provides an assembly system, which comprises prefabricated columns, prefabricated main beams, prefabricated secondary beams and prefabricated floors.
The prefabricated girder sets up along first direction, and links to each other with two adjacent prefabricated posts, and prefabricated girder part stretches into in the prefabricated post. The prefabricated secondary beam is arranged along a second direction, the second direction is perpendicular to the first direction, and the end part of the prefabricated secondary beam is connected with the prefabricated main beam. The end of the precast floor slab is connected with the precast secondary beam.
The embodiment of the invention provides an assembly system, because the part of the prefabricated girder stretches into the prefabricated column, the prefabricated column can form bearing for the prefabricated girder, so that the original supporting structure at the lower part of the prefabricated girder is omitted, the construction difficulty is reduced, and the construction process is reduced. Because the precast column can form the bearing to the tip of precast main beam, in this way, the node between precast column and the precast main beam is handled more easily.
Further, the depth of the prefabricated main beam part extending into the prefabricated column is 30 mm-60 mm.
Further, the prefabricated secondary beam comprises a secondary beam body, one part of the end part of the secondary beam body extends out to form a protrusion, the other part of the end part of the secondary beam body forms a mounting groove, the protrusion is at least partially overlapped on the prefabricated main beam, and the part of the prefabricated main beam is positioned in the mounting groove.
Further, a plurality of shear bars are pre-buried on the precast secondary beam, and a part of the shear bars are positioned between two adjacent precast floor slabs.
Further, the depth of the mounting groove in the second direction is 80 mm-120 mm.
Further, the prefabricated secondary beam further comprises shear-resistant steel and dowel bars. One part of the shear-resistant steel is embedded in the secondary beam body, and the other part of the shear-resistant steel is embedded in the protrusion. The bulge is provided with a grouting hole, and the grouting hole penetrates through the shear-resistant steel and enters the prefabricated girder. The dowel bars are positioned in the grouting holes, and a part of the dowel bars are positioned in the prefabricated main beams.
Further, the secondary beam further comprises a plurality of pegs, the shear steel is an H-shaped steel plate, the pegs are fixed on the web plate of the H-shaped steel plate, and the grouting holes vertically penetrate through the web plate of the H-shaped steel plate.
Further, the assembly system also includes connecting bars, straight bars and sheet gluten. The connecting steel bar is above the precast secondary beam, two ends of the connecting steel bar are respectively lapped on two adjacent precast floor slabs, and a part of the connecting steel bar is bent towards one side of the precast secondary beam to form an arc section. The straight steel bars are positioned on the arc sections. The junction between precast floor slab and precast floor slab is provided with the board gluten in one side of keeping away from precast secondary beam.
Further, gaps and surfaces among the prefabricated main beams, the prefabricated secondary beams and the prefabricated floor slab are provided with cast-in-place concrete.
On the other hand, the embodiment of the invention also provides a construction method of the assembly system, which comprises the assembly body according to any one of the technical schemes. The construction method of the assembly system comprises the following steps:
and S1, installing prefabricated columns.
And S2, hoisting the prefabricated main beams between two adjacent prefabricated columns, and enabling the prefabricated main beam parts to extend into the prefabricated columns.
And S3, hoisting the prefabricated secondary beams between two adjacent prefabricated main beams.
And S4, hoisting the precast slabs between two adjacent precast secondary beams.
And S5, pouring concrete on site, and pouring the prefabricated column, the prefabricated main beam, the prefabricated secondary beam and the prefabricated floor slab into a whole.
And S6, repeating the steps S2-S5 until the construction is completed.
The construction method of the assembly system provided by the embodiment of the present invention can obtain the same technical effects as the assembly system provided by the above embodiment, and will not be described herein.
Drawings
FIG. 1 is a schematic view of a prefabricated column provided by the present invention;
FIG. 2 is a schematic top view of a part of an assembly system according to the present invention;
FIG. 3 is a schematic diagram of the connection relationship between a prefabricated main beam and a prefabricated column provided by the invention;
FIG. 4 is a graph of connection nodes between a precast column and a precast main beam provided by the invention;
FIG. 5 is a schematic view of a precast secondary beam provided by the present invention;
FIG. 6 is a schematic side view of a preformed secondary beam provided by the present invention;
FIG. 7 is a schematic illustration of the connection of a primary and secondary precast girder provided by the present invention;
FIG. 8 is a schematic top view of a prefabricated main beam and a prefabricated secondary beam provided by the present invention;
FIG. 9 is a schematic side view of a preformed main beam and a preformed secondary beam provided by the present invention;
FIG. 10 is a schematic illustration of the connection of a precast floor slab and precast secondary beams provided by the present invention;
Fig. 11 is a schematic view of the positions of the plate gluten, the connecting steel bars and the straight steel bars provided by the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, directly connected, or communicating between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An embodiment of the present invention provides an assembly system for a multi-layer concrete structure building, which includes a plurality of prefabricated columns 1, as shown in fig. 1, where the plurality of prefabricated columns 1 are disposed in parallel to each other along a Z direction in a plane in which XY is located. The assembly system further comprises a prefabricated main beam 2, a prefabricated secondary beam 3 and a prefabricated floor slab 4. As shown in fig. 2, a plurality of prefabricated main beams 2 are arranged in parallel to the first direction (i.e., the Y direction in fig. 2), and are parallel on the same plane, the prefabricated main beams 2 are located between two adjacent prefabricated columns 1 (XY plane), and the end portions of the prefabricated main beams 2 extend into the prefabricated columns 1. Between two adjacent prefabricated main beams 2 (XY lying plane) there are also arranged a number of prefabricated secondary beams 3, the ends of which prefabricated secondary beams 3 are connected to the prefabricated main beams 2, wherein the prefabricated secondary beams 3 are arranged in a direction parallel to the second direction, i.e. the X-direction in fig. 2, which is perpendicular to the first direction. Between two adjacent precast sub beams 3 (Y direction), a plurality of precast floor slabs 4 are arranged, and the ends of the precast floor slabs 4 are connected to the precast sub beams 3.
In addition, the gaps and surfaces between the prefabricated main beams 2, the prefabricated secondary beams 3 and the prefabricated floor slabs 4 are poured with concrete, so that the above structures are poured into an integral structure.
It should be noted that, the second direction mentioned in the embodiment of the present application is approximately perpendicular to the first direction, which allows errors in the construction process. In other embodiments of the application, angles may also be present between the precast main beams 2, precast secondary beams 3 and precast floor slabs 4 in order to meet field construction requirements.
As shown in fig. 3, the prefabricated columns 1 are internally provided with vertical steel bars 11, and each layer of prefabricated columns 1 are connected with each other by pouring concrete through the vertical steel bars 11. In this way, the prefabricated pillars 1 between the upper and lower layers can be partially connected as an integral structure.
In the following, a connection node between the prefabricated main beam 2 and the prefabricated column 1 is illustrated, for example, in some embodiments of the present application, as shown in fig. 4, a plurality of vertical reinforcements 11 are provided in the middle of the prefabricated column 1, the ends of the prefabricated main beam 2 have extended bottom reinforcements 22, and the bottom reinforcements 22 are provided with reinforcement anchor plates 22, and the bottom reinforcements 22 and the reinforcement anchor plates 22 extend above the prefabricated column 1 to intersect the vertical reinforcements 11. The end part of the prefabricated main beam 2 stretches into the outer side of the vertical steel bar 11 of the prefabricated column 1, and the stretching depth can be 30 mm-60 mm. When the extending depth is less than 30mm, because the extending part is too short, the stress surfaces of the two end parts of the prefabricated main beam 2 are relatively small, so that the weight of the whole prefabricated main beam 2 is not enough to be supported, and the support is still needed to be adopted at the bottom of the prefabricated main beam 2 when the prefabricated main beam 2 is hoisted for installation, thereby not only increasing the labor cost, but also increasing the construction difficulty. When the depth of stretching into is greater than 60mm, because stretch into the dark, lead to the vertical reinforcing bar 11 in the precast column 1 just to need reduce in order to guarantee that precast column 1 has sufficient space to supply precast girder 2 to get into, in this case, the vertical reinforcing bar 11 in the precast column 1 reduces and can lead to the partial joint strength that precast column 1 connects to reduce, and the intensity of whole precast column 1 itself also can reduce, so, can influence the intensity of whole building, can cause the hidden danger to whole building safety.
Thus, by way of example, the depth to which the ends of the prefabricated main beams 2 extend into the prefabricated columns 1 may be 30mm, 50mm and 60mm. In this way, not only can the sufficient vertical steel bars 11 in the prefabricated column 1 be ensured, thereby ensuring the connection strength between the upper prefabricated column 1 and the lower prefabricated column 1 and the strength of the prefabricated column 1, but also the prefabricated column 1 can be ensured to form a powerful support for the prefabricated main beam 2, so that the prefabricated main beam 2 can be hoisted and installed under the condition of not using the support.
The structure of the above-mentioned precast secondary beam 3 is exemplified below, and for example, in some embodiments of the present application, as shown in fig. 5, the precast secondary beam 3 includes a secondary beam body 301, a portion of an end of the secondary beam body 301 is protruded to form a protrusion 31, and another portion of the end of the secondary beam body 301 is formed to form a mounting groove 32. In order to increase the strength of the entire precast secondary beam 3, as shown in fig. 6, a plurality of shear bars 33 may be pre-buried on the precast secondary beam 3, and the shear bars 33 may be equally spaced on the top of the precast secondary beam 3.
As shown in fig. 7, the projection 31 is at least partially overlapped on the prefabricated main beam 2, and a portion of the prefabricated main beam 2 is located in the mounting groove 32. Therefore, compared with the prior mode of attaching and installing the precast secondary beam 3 and the precast main beam 2, the application can realize the support of the precast secondary beam 3 through the bulges 31 at the two ends of the precast secondary beam 3, in this case, no extra support is needed when the precast secondary beam 3 is installed, thus not only reducing the construction difficulty, but also accelerating the construction progress, and increasing the bearing of the whole precast secondary beam 3 after construction.
The connection node between the prefabricated secondary beam 3 and the prefabricated main beam 2 is illustrated below, for example, in some embodiments of the present application, the depth of the mounting groove 32 in the second direction may be 80mm to 120mm. When the depth of the installation groove 32 in the second direction is less than 80mm, at this time, since the installation groove 32 is formed at the end of the precast secondary beam 3 at the remaining portion of the protrusion 31, the depth of the protrusion 31 in the second direction is less than 80mm, the portion where the protrusion 31 is overlapped on the precast main beam 2 is relatively reduced, since the stress points of the whole precast secondary beam 3 are concentrated on the protrusions 31 at both ends of the precast secondary beam 3, the protrusions 31 at the end of the precast secondary beam 3 are insufficient to support the whole precast secondary beam, and thus, additional support is required at the bottom of the precast secondary beam 3, thereby ensuring the progress of the construction. When the depth of the installation groove 32 in the second direction is greater than 120mm, the depth of the opposite protrusion 31 in the second direction is longer at this time, and since the depth of the prefabricated main beam 2 in the second direction is limited, and the prefabricated sub-beams 3 are connected to both sides of the prefabricated main beam 2, the installation of the prefabricated sub-beams 3 on the opposite side of the prefabricated main beam 2 is affected if the protrusion 31 is too long.
Thus, the mounting groove 32 may have a depth of 80mm, 100mm, and 120mm in the second direction, for example. In this way, not only does the mounting of the precast secondary beam 3 on the precast main beam 2 not be affected, but the protrusions 31 can also be made to bear the weight of the entire precast secondary beam 3.
In order to further strengthen the connection strength between the prefabricated main beam 2 and the prefabricated secondary beam 3, as shown in fig. 8, the prefabricated secondary beam 3 may further include a shear steel 36, one portion of which is pre-embedded in the secondary beam body 301 and the other portion of which is pre-embedded in the protrusion 31. As shown in fig. 9, the grouting holes 34 are formed in the protrusions 31, and the grouting holes 34 penetrate the shear steel 36 into the prefabricated girder 2. The dowel 35 is located in the grout hole 34 and a portion of the dowel 35 is located in the precast main beam 2. The precast secondary beam 3 further comprises a plurality of pegs 37, the shear steel 36 is an H-shaped steel plate, the pegs 37 are fixed on the web of the H-shaped steel plate, and the grouting holes 34 vertically penetrate through the web of the H-shaped steel plate.
In this way, the shear-resistant steel 36 and the studs 37 can increase the bearing capacity of the protruding portion 31, and the dowel 35 can be inserted into the grouting holes 34 on site by adopting a site, the grouting holes 34 are grouted, and the shear strength of the node between the prefabricated secondary beam 3 and the prefabricated main beam 2 can be further increased by matching the shear-resistant steel 36 and the studs 37.
As shown in fig. 10, in order to cast the adjacent prefabricated floors 4 into a unitary structure, the assembly system further includes panel gluten 5, connecting rebar 6, and straight rebar 7. As shown in fig. 11, above the precast secondary beam 3, two ends of the plurality of connection bars 6 are located on two adjacent precast floor slabs 4 (in fig. 11, the front view direction is shown, the plurality of connection bars 6 are not shown), the connection bars 6 can be arranged at equal intervals, and a part of the connection bars 6 is bent towards one side of the precast secondary beam 3 to form an arc section, and the straight bars 7 are located on the plurality of arc sections. The precast floor slab 4 and the side of the junction between the precast floor slabs 4, which is far away from the precast secondary beam 3, are provided with plate gluten 5. Because the connecting steel bars 6 and the straight steel bars 7 are arranged in a crossing way, the straight steel bars 7 and the plate surface steel bars 5 are arranged in a crossing way, so that the stress at the place is more uniform. And all there are connecting bar 6 and board gluten 5 to consolidate in the upside of precast floor slab 4 junction, so, after pouring concrete, the joint strength of junction between the precast floor slab 4 is higher, and the bearing effect is better.
In addition, because the connecting steel bar 6 is located the position at the middle part and has decurrent arc section, so, straight steel bar 7 just can more steady holding in this arc section, can not take place to shake, makes stability after pouring between connecting steel bar 6 and the straight steel bar 7 higher.
In this case, since the shear bars 33 are provided at the top of the precast secondary beam 3, a portion of the shear bars 33 is located in the gap between the slab gluten 5, the connection rebar 6 and the straight rebar 7, and another portion of the shear bars 33 is located at the top of the precast secondary beam 3, so that after casting between two precast floor slabs 4, the precast secondary beam 3 and the precast floor slabs 4 on both sides thereof can be cast as one body, and the shear bars 33 are perpendicular to the slab gluten 5, the connection rebar 6 and the straight rebar 7, in this case, stronger shear strength is provided therein.
In addition, gaps and surfaces among the prefabricated main beams 2, the prefabricated secondary beams 3 and the prefabricated floor slabs 4 are provided with concrete cast in situ, and are cast into an integral structure with the prefabricated columns 1.
The embodiment of the invention also provides a construction method of the assembly system, which comprises the assembly body according to any one of the technical schemes. The construction method of the assembly system comprises the following steps:
And S1, installing the prefabricated column 1, correcting the prefabricated column 1, and grouting the prefabricated column 1.
And S2, hoisting the prefabricated main beams 2 between two adjacent prefabricated columns 1, enabling the prefabricated main beams 2 to extend into the prefabricated columns 1 for fine adjustment, and connecting the end parts of the prefabricated main beams 2 with the prefabricated columns 1.
And S3, hoisting the prefabricated secondary beams 3 between two adjacent prefabricated main beams 2.
And S4, hoisting the precast slabs 4 between two adjacent precast secondary beams 3, and correcting the precast slabs into position.
And S5, pouring concrete on site, and pouring the prefabricated column 1, the prefabricated main beam 2, the prefabricated secondary beam 3 and the prefabricated floor slab 4 into a whole.
And S6, repeating the steps S2-S5 until the construction is completed.
The application does not limit the casting sequence among the precast columns 1, the precast main beams 2, the precast secondary beams 3 and the precast floor slabs 4, and can meet the requirement of casting the components into a whole. And the prefabricated column 1 according to the present application may include an upper prefabricated column 1 and a lower prefabricated column 1 with the prefabricated main beam 2 partially extending between the upper and lower prefabricated columns 1. The upper precast column 1 and the lower precast column 1 are alternately connected into a whole by adopting reinforced concrete casting so as to form the precast column 1 of the application.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (6)
1. A mounting system, the mounting system comprising:
The middle part of the prefabricated column is provided with a plurality of vertical steel bars;
The prefabricated main beam is arranged along a first direction, the end part of the prefabricated main beam is provided with a bottom reinforcing steel bar which extends out, the bottom reinforcing steel bar of the prefabricated main beam extends above the prefabricated column to cross with the vertical reinforcing steel bars of the prefabricated column, so that the prefabricated main beam is connected with two adjacent prefabricated columns, and the depth of the portion of the prefabricated main beam extending into the prefabricated columns is 30-60 mm;
A prefabricated secondary beam arranged along a second direction perpendicular to the first direction, an end of the prefabricated secondary beam connected to the prefabricated main beam, and
The end part of the precast floor slab is connected with the precast secondary beam;
The precast secondary beam includes:
The secondary beam body, a part of the end part of the secondary beam body stretches out to form a bulge, the other part of the end part of the secondary beam body forms a mounting groove, the bulge is at least partially overlapped on the prefabricated main beam, and the part of the prefabricated main beam is positioned in the mounting groove;
One part of the shear-resistant section steel is embedded in the secondary beam body, and the other part of the shear-resistant section steel is embedded in the bulge;
The grouting device comprises a protrusion, a dowel bar, a connecting rod and a connecting rod, wherein the protrusion is provided with a grouting hole, and the grouting hole penetrates through the shear-resistant steel to the prefabricated girder;
The shear steel is an H-shaped steel plate, the bolts are fixed on the web plate of the H-shaped steel plate, and the grouting holes vertically penetrate through the web plate of the H-shaped steel plate.
2. An assembly system according to claim 1, wherein,
The precast secondary beam is pre-embedded with a plurality of shear steel bars, and a part of the shear steel bars are positioned between two adjacent precast floors.
3. The assembly system of claim 1, wherein the mounting groove has a depth of 80mm to 120mm in the second direction.
4. The mounting system of claim 1, wherein the mounting system further comprises:
The two ends of the connecting steel bars are respectively lapped on two adjacent precast floor slabs above the precast secondary beams, and the parts of the connecting steel bars are bent towards one side of the precast secondary beams to form arc sections,
Straight reinforcing steel bars positioned on the plurality of arc-shaped sections;
And the plate gluten is arranged on one side, far away from the precast secondary beam, of the junction between the precast floor slabs.
5. An assembly system according to claim 1 or 4, wherein the gaps and surfaces between the prefabricated main beams, the prefabricated secondary beams and the prefabricated floor slab are provided with in situ poured concrete.
6. A construction method for an assembly system according to any one of claims 1 to 5, comprising the steps of:
Step S1, installing the prefabricated column;
s2, hoisting the prefabricated main beams between two adjacent prefabricated columns, wherein the prefabricated main beam parts extend into the prefabricated columns;
s3, hoisting the prefabricated secondary beams between two adjacent prefabricated main beams;
S4, hoisting the precast floor slabs between two adjacent precast secondary beams;
s5, pouring concrete on site, and pouring the prefabricated column, the prefabricated main beam, the prefabricated secondary beam and the prefabricated floor slab into a whole;
and S6, repeating the steps S2-S5 until the construction is completed.
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| CN202111392671.3A CN113957993B (en) | 2021-11-23 | 2021-11-23 | An assembly system and its construction method |
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| CN202111392671.3A CN113957993B (en) | 2021-11-23 | 2021-11-23 | An assembly system and its construction method |
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| CN113957993A CN113957993A (en) | 2022-01-21 |
| CN113957993B true CN113957993B (en) | 2026-04-07 |
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Families Citing this family (2)
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| CN116716994A (en) * | 2023-07-03 | 2023-09-08 | 华南理工大学建筑设计研究院有限公司 | A connection structure and method of a steel tube concrete column and a steel concrete transfer beam |
| CN117108073A (en) * | 2023-08-04 | 2023-11-24 | 上海市建筑装饰工程集团有限公司 | A high-strength multi-story prefabricated building construction method |
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