CN113931298B - Construction method of low multilayer assembled light steel light concrete structure system - Google Patents

Construction method of low multilayer assembled light steel light concrete structure system Download PDF

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Publication number
CN113931298B
CN113931298B CN202111392678.5A CN202111392678A CN113931298B CN 113931298 B CN113931298 B CN 113931298B CN 202111392678 A CN202111392678 A CN 202111392678A CN 113931298 B CN113931298 B CN 113931298B
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China
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prefabricated
light
steel
light steel
wall body
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CN113931298A (en
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李东彬
李伟龙
柴彦凯
刘玉淼
仝晓嵩
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CHINA BUILDING TECHNIQUE GROUP CO LTD
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CHINA BUILDING TECHNIQUE GROUP CO LTD
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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
    • 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
    • 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
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

Abstract

The invention discloses a construction method of a low-multilayer assembled light steel light concrete structure system, and relates to the technical field of assembled light steel light concrete structures. In order to solve the problem of complex construction, the system comprises a prefabricated wall body, a prefabricated light steel light concrete door and window opening, a light steel beam and a prefabricated floor slab. The prefabricated wall body comprises a prefabricated light steel light concrete straight wall body, a prefabricated light steel light concrete L-shaped wall body, a prefabricated light steel light concrete T-shaped wall body, a prefabricated light steel light concrete cross-shaped wall body and a prefabricated light steel light concrete door and window opening wall. The construction method is a cooperation construction method of a prefabricated wall body and a prefabricated floor slab in a low multilayer assembled light steel light concrete structure system, wherein the prefabricated floor slab comprises a beam slab type floor slab and a plate type floor slab, and thin-wall light steel beams are arranged in parallel in multiple groups. The invention improves the convenience of construction, thereby shortening the construction period of the building structure to a great extent.

Description

Construction method of low multilayer assembled light steel light concrete structure system
Technical Field
The invention relates to the technical field of assembled light steel light concrete structures, in particular to a construction method of a low-multilayer assembled light steel light concrete structure system.
Background
The light steel light concrete structure is a structural system which combines light steel prefabrication assembly and light concrete cast-in-situ by taking thin-wall light steel and light concrete as main materials. The thin-wall light steel and the light concrete work cooperatively, so that the shock resistance is excellent; the thin-wall light steel is wrapped by the light concrete, so that the fire resistance is good; the solid wall has no hollow feeling, good heat preservation and heat insulation performance and good sound insulation performance, and has wide application prospect in the field of village and town buildings in China.
However, in the existing construction technology, because the light steel light concrete structure needs on-site formwork erection, the pouring wet construction is complex in construction procedure, long in construction period and high in requirement on the on-site construction technology, a large amount of manpower is consumed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a construction method of a low-multilayer assembled light steel light concrete structure system.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the low multilayer assembled light steel light concrete structure system comprises a prefabricated wall body, a prefabricated light steel light concrete door and window opening, a light steel beam and a prefabricated floor slab, and is characterized in that the prefabricated wall body comprises a prefabricated light steel light concrete straight wall body, a prefabricated light steel light concrete L-shaped wall body, a prefabricated light steel light concrete T-shaped wall body, a prefabricated light steel light concrete cross-shaped wall body and a prefabricated light steel light concrete door and window opening wall; the prefabricated light steel light concrete I-shaped wall body, the prefabricated light steel light concrete L-shaped wall body, the prefabricated light steel light concrete T-shaped wall body, the prefabricated light steel light concrete cross-shaped wall body, the prefabricated light steel light concrete door and window opening wall, the prefabricated light steel light concrete door and window opening, the light steel beam and the prefabricated floor slab are mutually fixed by adopting pre-buried connecting boxes.
Preferably: the prefabricated light steel light concrete straight wall body, the prefabricated light steel light concrete L-shaped wall body, the prefabricated light steel light concrete T-shaped wall body and the prefabricated light steel light concrete cross-shaped wall body are produced by utilizing standard modulus or custom modulus through light steel keels matched with the prefabricated light steel light concrete straight wall body and light concrete poured between the light steel keels.
Further: the light steel joist comprises a light steel light concrete L-shaped wall prefabricated with a light concrete straight-line type wall, a light steel light concrete T-shaped wall prefabricated with a light steel, a vertical light steel upright post, a top guide beam and a bottom guide beam which are matched and arranged in a shape of the light steel light concrete cross-shaped wall, wherein the vertical light steel upright post, the top guide beam and the bottom guide beam are mutually fixed through pre-buried connecting boxes, and the adjacent vertical light steel upright posts are fixedly connected through horizontal steel braces.
Based on the scheme: the embedded connection box comprises a connection box A, a connection box B and a connection box C, wherein the connection box A is positioned at the corner of the light steel joist and is fixedly connected with the light steel joist through bolts or screws, the connection box B is positioned at the upper end and the lower end of the vertical light steel upright in the light steel joist and is fixedly connected with the light steel joist through bolts or screws, and the connection box C is positioned at the middle part of the vertical light steel upright in the light steel joist and is fixedly connected with the light steel joist through bolts or screws.
Among the foregoing, the preferred one is: the prefabricated light steel light concrete door and window opening wall is composed of prefabricated walls, prefabricated light steel light concrete connecting beams and prefabricated door and window opening steel frames, wherein the prefabricated walls are positioned on two sides, the prefabricated light steel light concrete connecting beams are positioned on the top and the bottom, and the prefabricated door and window opening steel frames are positioned in the middle.
As a further scheme of the invention: the prefabricated light steel and light concrete connecting beam consists of a light steel keel and light concrete, and the steel frame of the prefabricated door and window opening consists of a pair of steel upright posts and a pair of steel beams which are mutually and vertically fixed.
A construction method of a low multilayer assembled light steel light concrete structure system is a cooperation construction method of a prefabricated wall body and a prefabricated floor slab in the low multilayer assembled light steel light concrete structure system, wherein the prefabricated floor slab comprises a beam slab type floor slab and a plate type floor slab.
As a preferred embodiment of the present invention: the beam slab type floor mainly comprises thin-wall light steel beams, thin-wall light steel transverse supports, connecting angle pieces, floor slab horizontal steel bars and prefabricated light floor slabs, wherein multiple groups of the thin-wall light steel beams are arranged in parallel, two adjacent thin-wall light steel beams are fixedly connected through the floor slab horizontal steel bars, two groups of the thin-wall light steel beams positioned at the extreme end are fixedly connected through the thin-wall light steel transverse supports, and the connecting positions of the thin-wall light steel beams and the thin-wall light steel transverse supports are fixed through the connecting angle pieces. The construction method of the prefabricated wall body and the beam slab type floor slab specifically comprises the following steps:
a1: the method comprises the steps of fixing a thin-wall light steel beam with a prefabricated wall body, firstly placing a steel connecting plate in a wall joint between the prefabricated wall bodies, and fixing the steel connecting plate with the steel connecting plate by using bolts through a connecting box A;
a2: placing the horizontal steel bars between the thin-wall light steel beams, and fixing the two ends of the horizontal steel bars on the thin-wall light steel beams at the two sides through bolts;
a3: the thin-wall light steel is transversely supported between two groups of thin-wall light steel beams at the end part, and the thin-wall light steel beams are fixed at the right-angle joint through connecting angle pieces by bolts or screws;
a4: laying a prefabricated light floor slab on the structure in the step A3;
a5: and filling the position of the embedded connecting box with light concrete or mortar, and sealing.
Meanwhile, the plate-type floor slab is a prefabricated light plate-type floor slab, reserved pore channels are formed at the connecting positions of the two ends of the prefabricated light plate-type floor slab and the embedded connecting boxes in the prefabricated wall body, and the construction method of the prefabricated wall body and the plate-type floor slab specifically comprises the following steps:
b1: after the prefabricated wall body of the next layer is installed in place, the prefabricated light slab floor slab is conveyed to the installation position between the prefabricated wall bodies by hoisting or jacking, and then connecting bolts are placed in the reserved pore channels of the slab floor slab and the embedded connecting boxes of the prefabricated wall body of the next layer in advance;
b2: after the step B1 is completed, hoisting the upper layer of prefabricated wall body, and fixing connecting bolts through pre-buried mounting boxes in the upper layer of prefabricated wall body to complete connection between the upper and lower prefabricated wall bodies and the prefabricated light slab;
b3: finally, the sealing is realized by filling the pre-buried connecting box with light concrete or mortar.
The utility model provides a building method of low multilayer assembled light steel light concrete structure system, prefabricated floor includes beam slab formula floor and board-like floor, beam slab formula floor still includes by thin wall light steel girder, alternately steel band support, floor horizontal steel billet and prefabricated light floor group, thin wall light steel girder multiunit parallel arrangement, two adjacent thin wall light steel girders pass through floor horizontal steel billet fixed connection, and be located two sets of adjacent thin wall light steel girders of tip pass through alternately steel band support connection and fix, thin wall light steel girder and alternately steel band support junction pass through bolt or screw fixation, prefabricated wall body and beam slab formula floor's building method specifically includes the following steps:
a1: fixing the thin-wall light steel beam and the prefabricated wall body; firstly, placing a steel connecting plate in a wall joint between prefabricated walls, and fixing the steel connecting plate with the steel connecting plate by using bolts through a connecting box A;
a2: placing the horizontal steel bars between the thin-wall light steel beams, and fixing the two ends of the horizontal steel bars on the thin-wall light steel beams at the two sides through bolts;
a3: crossing two crossed steel band supports in one group, then arranging the crossed steel band supports between two groups of thin-wall light steel beams at the end parts, and fixing the two ends of the two crossed steel band supports and the thin-wall light steel beams through bolts or screws;
a4: laying a prefabricated light floor slab on the structure in the step A3;
a5: and filling the position of the embedded connecting box with light concrete or mortar, and sealing.
The beneficial effects of the invention are as follows:
1. this low multilayer assembled light steel light concrete structure system through the prefabrication to prefabricated light steel light concrete style of calligraphy wall body, prefabricated light steel light concrete L type wall body, prefabricated light steel light concrete T-shaped wall body, prefabricated light steel light concrete cross wall body, satisfy the wall structure demand of plane, right angle, trigeminal angle and four fork angle in the building structure, and through the prefabrication to prefabricated light steel light concrete door and window entrance to a cave wall in the building construction, satisfy the door in the building construction, window reserved space, utilize the prefabricated wall body of multiple shape function can realize building structure's modularization and build, and through pre-buried connecting box cooperation bolt as standard mounting between the prefabricated wall body, realize the connection of prefabricated wall body, building structure's construction, the convenience of construction has been improved, thereby the construction period of building structure has been shortened to a great extent.
2. The low multilayer assembled light steel light concrete structure system adopts the light steel joist as a strength supporting framework for the prefabricated wall body, light concrete is used for filling, and the prefabricated wall body with a solid surface is formed.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become apparent by reference to the drawings and the following detailed description.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application. In the drawings:
FIG. 1 is a schematic view of a prefabricated light steel light concrete in-line wall structure according to the invention;
FIG. 2 is a schematic view of the prefabricated light steel light concrete L-shaped wall structure of the invention;
FIG. 3 is a schematic view of the prefabricated light steel light concrete T-shaped wall structure of the invention;
FIG. 4 is a schematic view of the prefabricated light steel light concrete cross-shaped wall structure of the invention;
FIG. 5 is a schematic view of the prefabricated light steel light concrete door and window opening wall structure of the invention;
FIG. 6 is a schematic view of the structure of the light steel girder of the present invention;
FIG. 7 is a schematic view of a precast floor plank structure of the present invention;
FIG. 8 is a schematic view of a prefabricated wall structure according to the present invention;
FIG. 9 is a schematic view of the light steel joist structure of the present invention;
FIG. 10 is a schematic view of the structure of the connection box A of the present invention;
FIG. 11 is a schematic view of a connection box B according to the present invention;
FIG. 12 is a schematic view of the structure of the connection box C of the present invention;
FIG. 13 is a block diagram of a prefabricated tunnel wall according to the present invention;
FIG. 14 is a schematic view of a prefabricated doorway wall according to the present invention;
FIG. 15 is a schematic view of the prefabricated light steel light concrete connecting beam structure of the present invention;
FIG. 16 is a schematic view of a beam slab floor slab according to the present invention;
FIG. 17 is a schematic diagram II of a beam slab floor slab according to the present invention;
FIG. 18 is a block diagram of a connecting gusset of the present invention;
FIG. 19 is a diagram showing the structure of the connection of the prefabricated wall body and the thin-walled light steel girder according to the present invention;
fig. 20 is a construction diagram showing the connection of the slab floor and the prefabricated wall body according to the present invention.
In the figure: 1-prefabricated light steel light concrete straight-shaped wall, 2-prefabricated light steel light concrete L-shaped wall, 3-prefabricated light steel light concrete T-shaped wall, 4-prefabricated light steel light concrete cross-shaped wall, 5-prefabricated assembled light steel light concrete door and window opening wall, 6-light steel girder, 7-prefabricated floor slab, 8-light steel joist, 9-light concrete, 10-vertical light steel upright column, 11-top guide beam, 12-bottom guide beam, 13-horizontal steel brace, 14-connecting box A, 15-connecting box B, 16-connecting box C, 17-light steel light concrete connecting beam, 18-prefabricated door and window opening steel frame, 19-thin-wall light steel girder, 20-thin-wall light steel transverse support, 21-crossed steel strip support, 22-connecting angle piece, 23-floor slab horizontal steel bar, 24-prefabricated light floor slab, 25-steel connecting plate and 26-light plate type floor slab.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1:
the utility model provides a low multilayer assembled light steel light concrete structure system, as shown in fig. 1-20, including prefabricated wall body, prefabricated light steel light concrete door and window opening, light steel girder 6, prefabricated floor 7, prefabricated wall body includes prefabricated light steel light concrete straight wall body 1, prefabricated light steel light concrete L type wall body 2, prefabricated light steel light concrete T-shaped wall body 3, prefabricated light steel light concrete cross wall body 4, prefabricated light steel light concrete door and window opening wall 5, prefabricated light steel light concrete door and window opening, light steel girder 6, prefabricated floor 7 are mutually fixed through the adoption of pre-buried connecting box between.
As shown in fig. 1, the prefabricated lightweight steel lightweight concrete in-line wall 1, the prefabricated lightweight steel lightweight concrete L-shaped wall 2, the prefabricated lightweight steel lightweight concrete t-shaped wall 3, the prefabricated lightweight steel lightweight concrete cross-shaped wall 4 and the prefabricated lightweight steel lightweight concrete door and window opening wall 5 are all produced by a lightweight steel joist 8 matched with the shape of the lightweight steel joist and lightweight concrete 9 poured between the lightweight steel joists 8 by using standard modulus or custom modulus.
As shown in fig. 1, the light steel joist 8 comprises a vertical light steel upright post 10, a top guide beam 11 and a bottom guide beam 12 which are matched with the shape of the light concrete straight-line wall 1, the prefabricated light steel light concrete L-shaped wall 2, the prefabricated light steel light concrete T-shaped wall 3 and the prefabricated light steel light concrete cross-shaped wall 4 in a shape, and are mutually fixed through pre-buried connecting boxes, and the adjacent vertical light steel upright posts 10 are fixedly connected through horizontal steel braces 13.
As shown in fig. 1, the embedded connection box comprises a connection box a14, a connection box B15 and a connection box C16, wherein the connection box a14 is positioned at the corner of the light steel joist 8, and is fixedly connected with the light steel joist 8 through bolts or screws, so that connection between the prefabricated light steel concrete walls is realized up and down, left and right, and the connection can be used as a lifting point for transportation lifting and construction lifting through arranging lifting holes or lifting hooks on the connection box. The connecting box B15 is positioned at the upper end and the lower end of the vertical light steel upright post 10 in the light steel keel 8, and is fixedly connected with the light steel keel 8 through bolts or screws, so that connection between the upper wall body and the lower wall body is realized. The connecting box C16 is positioned at the middle part of the vertical light steel upright post 10 in the light steel keel 8 and is fixedly connected with the light steel keel 8 through bolts or screws, connection between the left wall body and the right wall body is realized, and the connecting box A14, the connecting box B15 and the connecting box C16 can be planned and arranged according to actual wall body manufacturing and stress requirements.
As shown in fig. 1, the prefabricated light steel light concrete door and window opening wall 5 is composed of prefabricated walls which are mutually fixed through pre-buried connecting boxes and are positioned at two sides, prefabricated light steel light concrete connecting beams 17 positioned at the top and the bottom, and a prefabricated door and window opening steel frame 18 positioned at the middle.
The prefabricated light steel light concrete connecting beam 17 consists of a light steel keel 8 and light concrete 9.
The prefabricated door and window portal steel frame 18 is composed of a pair of steel uprights and a pair of steel girders which are mutually vertically fixed.
When the prefabricated light steel concrete wall is used, the prefabricated light steel concrete L-shaped wall 1, the prefabricated light steel light concrete L-shaped wall 2, the prefabricated light steel light concrete T-shaped wall 3 and the prefabricated light steel light concrete cross-shaped wall 4 are prefabricated, the wall surface structure requirements of planes, right angles, three-fork angles and four-fork angles in a building structure are met, the prefabricated space reserved for doors and windows in building construction is met through the prefabricated light steel concrete door and window opening wall 5, the prefabricated walls with various shapes and functions can be built in a modularized mode, connection of the prefabricated walls and building construction are achieved through the fact that the prefabricated walls are used as standard fixing pieces through the embedded connecting box, and convenience in construction is improved, and accordingly construction period of the building structure is shortened to a great extent. In addition, the prefabricated wall body adopts the light steel joist 8 as a strength supporting framework, light concrete 9 is used for filling, and a solid prefabricated wall body is formed.
Example 2:
1-20, the prefabricated wall body and the prefabricated floor slab 7 in the embodiment 1 are constructed in a matched mode, the prefabricated floor slab 7 comprises a beam slab type floor slab and a plate type floor slab, the beam slab type floor slab mainly comprises thin-wall light steel beams 19, thin-wall light steel transverse supports 20, connecting corner pieces 22, floor slab horizontal steel bars 23 and prefabricated light floor slabs 24, a plurality of groups of thin-wall light steel beams 19 are arranged in parallel, two adjacent thin-wall light steel beams 19 are fixedly connected through the floor slab horizontal steel bars 23, two groups of adjacent thin-wall light steel beams 19 positioned at the extreme end are fixedly connected through the thin-wall light steel transverse supports 20, and the joint of the thin-wall light steel beams 19 and the thin-wall light steel transverse supports 20 is fixed through the connecting corner pieces 22; the construction method of the prefabricated wall body and the beam slab type floor slab specifically comprises the following steps:
a1: fixing the thin-wall light steel beam 19 and the prefabricated wall body; firstly, placing a steel connecting plate 25 in a wall joint between prefabricated walls, and fixing the steel connecting plate 25 through a connecting box A14 by using bolts;
a2: placing the horizontal steel bars 23 between the thin-wall light steel beams 19, and fixing two ends of the horizontal steel bars 23 on the thin-wall light steel beams 19 on two sides through bolts or screws;
a3: the thin-wall light steel transverse support 20 is arranged between two groups of thin-wall light steel beams 19 at the end part and is fixed with bolts at the right-angle joint through the connecting corner pieces 22;
a4: then laying a prefabricated lightweight floor slab 24 on the structure in A3;
a5: and filling the position of the embedded connecting box with light concrete or mortar, and sealing.
The plate-type floor slab is a prefabricated light plate-type floor slab 26, reserved pore channels are formed at the connection positions of the two ends of the prefabricated light plate-type floor slab 26 and the embedded connection boxes in the prefabricated wall body, and the construction method of the prefabricated wall body and the plate-type floor slab specifically comprises the following steps:
b1: after the prefabricated wall body of the next layer is installed in place, the prefabricated light-weight plate type floor slab 26 is conveyed to the installation position between the prefabricated wall bodies by hoisting or jacking, and then connecting bolts are placed in the reserved pore channels of the plate type floor slab and the embedded connecting boxes of the prefabricated wall body of the next layer in advance;
b2: after the step B1 is completed, hoisting the upper layer of prefabricated wall body, and fixing connecting bolts through pre-buried mounting boxes in the upper layer of prefabricated wall body to finish the connection between the upper and lower prefabricated wall bodies and the prefabricated light slab floor 26;
b3: finally, the sealing is realized by filling the pre-buried connecting box with light concrete or mortar.
Example 3:
the construction method of the low multilayer assembled light steel light concrete structure system is shown in fig. 1-20, and is a method for constructing a prefabricated wall body and a prefabricated floor slab 7 in an embodiment 1 in a matched manner, wherein the prefabricated floor slab 7 comprises a beam slab type floor slab and a plate type floor slab, the beam slab mainly comprises thin-wall light steel beams 19, cross steel strip supports 21, floor slab horizontal steel strips 23 and prefabricated light floor slabs 24, multiple groups of thin-wall light steel beams 19 are arranged in parallel, two adjacent thin-wall light steel beams 19 are fixedly connected through the floor slab horizontal steel strips 23, two adjacent thin-wall light steel beams 19 positioned at the extreme end are fixedly connected through the cross steel strip supports 21, and the connection part of the thin-wall light steel beams 19 and the cross steel strip supports 21 is fixed through bolts or screws. The construction method of the prefabricated wall body and the beam slab type floor slab specifically comprises the following steps:
a1: fixing the thin-wall light steel beam 19 and the prefabricated wall body; firstly, placing a steel connecting plate 25 in a wall joint between prefabricated walls, and fixing the steel connecting plate 25 through a connecting box A14 by using bolts;
a2: placing the horizontal steel bars 23 between the thin-wall light steel beams 19, and fixing two ends of the horizontal steel bars 23 on the thin-wall light steel beams 19 on two sides through bolts or screws;
a3: two crossed steel band supports 21 in one group are crossed, then the two crossed steel band supports are arranged between two groups of thin-wall light steel beams 19 at the end parts, and two ends of the two crossed steel band supports 21 are fixed with the thin-wall light steel beams 19 through bolts or screws;
a4: then laying a prefabricated lightweight floor slab 24 on the structure in A3;
a5: and filling the position of the embedded connecting box with light concrete or mortar, and sealing.
The plate-type floor slab is a prefabricated light plate-type floor slab 26, reserved pore channels are formed at the connection positions of the two ends of the prefabricated light plate-type floor slab 26 and the embedded connection boxes in the prefabricated wall body, and the construction method of the prefabricated wall body and the plate-type floor slab specifically comprises the following steps:
b1: after the prefabricated wall body of the next layer is installed in place, the prefabricated light-weight plate type floor slab 26 is conveyed to the installation position between the prefabricated wall bodies by hoisting or jacking, and then connecting bolts are placed in the reserved pore channels of the plate type floor slab and the embedded connecting boxes of the prefabricated wall body of the next layer in advance;
b2: after the step B1 is completed, hoisting the upper layer of prefabricated wall body, and fixing connecting bolts through pre-buried mounting boxes in the upper layer of prefabricated wall body to finish the connection between the upper and lower prefabricated wall bodies and the prefabricated light slab floor 26;
b3: finally, the sealing is realized by filling the pre-buried connecting box with light concrete or mortar.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (7)

1. The construction method of the low multilayer assembled light steel light concrete structural system comprises a prefabricated wall body, and is characterized in that the prefabricated wall body comprises a prefabricated light steel light concrete straight-line wall body (1), a prefabricated light steel light concrete L-shaped wall body (2), a prefabricated light steel light concrete T-shaped wall body (3), a prefabricated light steel light concrete cross-shaped wall body (4), a prefabricated light steel light concrete door and window opening wall (5), a light steel beam (6) and a prefabricated floor slab (7), and the prefabricated light steel light concrete straight-line wall body (1), the prefabricated light steel light concrete L-shaped wall body (2), the prefabricated light steel light concrete T-shaped wall body (3), the prefabricated light steel light concrete cross-shaped wall body (4), the prefabricated light steel light concrete door and window opening wall (5), the light steel beam (6) and the prefabricated floor slab (7) are mutually fixed by adopting embedded connecting boxes;
the precast floor slab (7) comprises a beam slab type floor slab and a plate type floor slab; the beam slab type floor mainly comprises thin-wall light steel beams (19), thin-wall light steel transverse supports (20), connecting angle pieces (22), floor slab horizontal steel bars (23), prefabricated light floor slabs (24) and steel connecting plates (25), wherein multiple groups of thin-wall light steel beams (19) are arranged in parallel, two adjacent thin-wall light steel beams (19) are fixedly connected through the floor slab horizontal steel bars (23), two groups of adjacent thin-wall light steel beams (19) positioned at the extreme end are fixedly connected through the thin-wall light steel transverse supports (20), and the connecting positions of the thin-wall light steel beams (19) and the thin-wall light steel transverse supports (20) are fixed through the connecting angle pieces (22); the construction method of the prefabricated wall body and the beam slab type floor slab specifically comprises the following steps:
a1: fixing the thin-wall light steel beam (19) and the prefabricated wall body; firstly, placing a steel connecting plate (25) in a wall joint between prefabricated wall bodies, and fixing the steel connecting plate (25) with the steel connecting plate (25) by using bolts through a connecting box A (14);
a2: placing the horizontal steel bars (23) between the thin-wall light steel beams (19), and fixing two ends of the horizontal steel bars (23) on the thin-wall light steel beams (19) at two sides through bolts;
a3: a thin-wall light steel transverse support (20) is arranged between two groups of thin-wall light steel beams (19) at the end part, and is fixed with a bolt at a right-angle joint through a connecting corner piece (22);
a4: laying a prefabricated lightweight floor slab (24) on the structure in A3;
a5: filling the position of the embedded connecting box with light concrete or mortar, and sealing;
the plate type floor slab is a prefabricated light plate type floor slab (26), reserved pore channels are formed in the positions, connected with the embedded connecting boxes in the prefabricated wall body, of the two ends of the prefabricated light plate type floor slab (26), and the construction method of the prefabricated wall body and the plate type floor slab specifically comprises the following steps:
b1: after the prefabricated wall bodies at the bottom layer are installed in place, the prefabricated light slab type floor slab (26) is conveyed to the installation position between the prefabricated wall bodies by hoisting or jacking, and then is fixed with the embedded connecting box by using bolts through the reserved pore channels;
b2: after the fixing is finished, the next layer of prefabricated wall body is installed, and the pre-embedded installation boxes in the lower layer of threshold value shaped wall body are fixed with the reserved pore channels through bolts, so that the fixing between the upper and lower prefabricated wall bodies and the prefabricated light slab floor (26) can be finished;
b3: and filling the position of the embedded connecting box with light concrete or mortar, and sealing.
2. The method for constructing the low multi-layer assembled light steel light concrete structure system according to claim 1, wherein the prefabricated light steel light concrete straight wall body (1), the prefabricated light steel light concrete L-shaped wall body (2), the prefabricated light steel light concrete T-shaped wall body (3) and the prefabricated light steel light concrete cross-shaped wall body (4) are produced by utilizing standard modulus or custom modulus through light steel joists (8) matched with the shapes of the prefabricated light steel light concrete straight wall body and light concrete (9) poured between the light steel joists (8).
3. The method for constructing the low-multilayer assembled light steel light concrete structure system according to claim 2, wherein the light steel joist (8) comprises a vertical light steel upright post (10), a top guide beam (11) and a bottom guide beam (12) which are arranged in a shape matching manner with a prefabricated light steel light concrete L-shaped wall body (2), a prefabricated light steel light concrete T-shaped wall body (3) and a prefabricated light steel light concrete cross-shaped wall body (4) of the prefabricated light steel light concrete straight-line type wall body (1) through pre-buried connecting boxes, and the adjacent vertical light steel upright posts (10) are fixedly connected through horizontal steel braces (13).
4. A method for constructing a low multi-layer assembled lightweight steel lightweight concrete structural system according to claim 3, wherein the embedded connecting box comprises a connecting box a (14), a connecting box B (15) and a connecting box C (16), wherein the connecting box a (14) is positioned at the corner of the lightweight steel joist (8) and is fixedly connected with the lightweight steel joist (8) through bolts or screws, the connecting box B (15) is positioned at the upper end and the lower end of the vertical lightweight steel upright (10) in the lightweight steel joist (8) and is fixedly connected with the lightweight steel joist (8) through bolts or screws, and the connecting box C (16) is positioned at the middle part of the vertical lightweight steel upright (10) in the lightweight steel joist (8) and is fixedly connected with the lightweight steel joist (8) through bolts or screws.
5. A method of constructing a low multi-story fabricated lightweight steel-concrete structural system according to claim 3, wherein the prefabricated fabricated lightweight steel-concrete door and window opening wall (5) is composed of prefabricated shaped walls on both sides, vertical lightweight steel columns (10) on the inner sides of the prefabricated shaped walls, prefabricated lightweight steel-concrete connecting beams (17) on the top and bottom, and prefabricated door and window opening steel frames (18) on the middle, which are mutually fixed by pre-buried connection boxes.
6. The method for constructing the low multi-layer assembled light steel light concrete structure system according to claim 5, wherein the prefabricated light steel light concrete connecting beam (17) consists of a light steel keel (8) and light concrete (9), and the prefabricated door and window opening steel frame (18) consists of a pair of steel upright posts and a pair of steel beams which are mutually vertically fixed.
7. The construction method of the low multilayer assembled light steel light concrete structural system comprises a prefabricated wall body, and is characterized in that the prefabricated wall body comprises a prefabricated light steel light concrete straight-line wall body (1), a prefabricated light steel light concrete L-shaped wall body (2), a prefabricated light steel light concrete T-shaped wall body (3), a prefabricated light steel light concrete cross-shaped wall body (4), a prefabricated light steel light concrete door and window opening wall (5), a light steel beam (6) and a prefabricated floor slab (7), and the prefabricated light steel light concrete straight-line wall body (1), the prefabricated light steel light concrete L-shaped wall body (2), the prefabricated light steel light concrete T-shaped wall body (3), the prefabricated light steel light concrete cross-shaped wall body (4), the prefabricated light steel light concrete door and window opening wall (5), the light steel beam (6) and the prefabricated floor slab (7) are mutually fixed by adopting embedded connecting boxes;
the prefabricated floor slab (7) comprises a beam slab type floor slab and a plate type floor slab, the beam slab further comprises a mode formed by thin-wall light steel beams (19), cross steel strip supports (21), floor slab horizontal steel bars (23), prefabricated light floor slabs (24) and steel connecting plates (25), multiple groups of the thin-wall light steel beams (19) are arranged in parallel, two adjacent thin-wall light steel beams (19) are fixedly connected through the floor slab horizontal steel bars (23), two adjacent thin-wall light steel beams (19) positioned at the extreme end are fixedly connected through the cross steel strip supports (21), the joint of the thin-wall light steel beams (19) and the cross steel strip supports (21) is welded and fixed, and the cross part of the cross steel strip supports (21) is fixed through bolts; the construction method of the prefabricated wall body and the beam slab type floor slab specifically comprises the following steps:
a1: fixing the thin-wall light steel beam (19) and the prefabricated wall body; firstly, placing a steel connecting plate (25) in a wall joint between prefabricated wall bodies, and fixing the steel connecting plate (25) with the steel connecting plate (25) by using bolts through a connecting box A (14);
a2: placing the horizontal steel bars (23) between the thin-wall light steel beams (19), and fixing two ends of the horizontal steel bars (23) on the thin-wall light steel beams (19) at two sides through bolts;
a3: two crossed steel band supports (21) in one group are crossed, pre-tightened through bolts, then placed between two groups of thin-wall light steel beams (19) at the end parts, two ends of the two crossed steel band supports (21) are welded and fixed with the thin-wall light steel beams (19), and then bolts at the crossing positions of the crossed steel band supports (21) are screwed;
a4: laying a prefabricated lightweight floor slab (24) on the structure in A3;
a5: filling the position of the embedded connecting box with light concrete or mortar, and sealing;
the plate type floor slab is a prefabricated light plate type floor slab (26), reserved pore channels are formed in the positions, connected with the embedded connecting boxes in the prefabricated wall body, of the two ends of the prefabricated light plate type floor slab (26), and the construction method of the prefabricated wall body and the plate type floor slab specifically comprises the following steps:
b1: after the prefabricated wall bodies at the bottom layer are installed in place, the prefabricated light slab type floor slab (26) is conveyed to the installation position between the prefabricated wall bodies by hoisting or jacking, and then is fixed with the embedded connecting box by using bolts through the reserved pore channels;
b2: after the fixing is finished, the next layer of prefabricated wall body is installed, and the pre-embedded installation boxes in the lower layer of threshold value shaped wall body are fixed with the reserved pore channels through bolts, so that the fixing between the upper and lower prefabricated wall bodies and the prefabricated light slab floor (26) can be finished;
b3: and filling the position of the embedded connecting box with light concrete or mortar, and sealing.
CN202111392678.5A 2021-11-23 2021-11-23 Construction method of low multilayer assembled light steel light concrete structure system Active CN113931298B (en)

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