CN108708452B - U-shaped integral prefabricated bay window component, assembled bay window node structure and construction method thereof - Google Patents
U-shaped integral prefabricated bay window component, assembled bay window node structure and construction method thereof Download PDFInfo
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- CN108708452B CN108708452B CN201810556396.6A CN201810556396A CN108708452B CN 108708452 B CN108708452 B CN 108708452B CN 201810556396 A CN201810556396 A CN 201810556396A CN 108708452 B CN108708452 B CN 108708452B
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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
- E04B1/003—Balconies; Decks
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
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Abstract
The invention discloses a U-shaped integral prefabricated bay window component, an assembled bay window node structure and a construction method thereof, wherein the U-shaped integral prefabricated bay window component consists of a first plate, a second plate and a third plate, a boss is formed at the upper part of the second plate relative to the lower part of the second plate, the boss protrudes towards the inner side of the second plate, a plurality of groups of grouting sleeves are pre-embedded in the boss, an operation gap is reserved corresponding to each group of grouting sleeves, and the lower end part of each group of grouting sleeves extends downwards from the lower end surface of the boss; the first plate is used as a floating sill bottom plate of an upper floor of two adjacent floors, the upper part of the second plate is used as a floating sill lower wall of the upper floor of the two adjacent floors, and the third plate is used as a floating sill top plate of the lower floor of the two adjacent floors. On the premise of ensuring the structural safety of the assembled bay window node structure, the invention avoids the appearance of special-shaped prefabricated parts with larger length in the bay window node structure, and can reduce the difficulty and cost of production, transportation and hoisting of each prefabricated part in the assembled bay window node structure.
Description
Technical Field
The invention relates to a U-shaped integrally prefabricated bay window component, an assembled bay window node structure using the U-shaped integrally prefabricated bay window component and a construction method of the assembled bay window node structure.
Background
Building industrialization is a new mode of business, and along with the continuous development of real estate industry in society, the mode of building industrialization is gradually formed along with the change of building economy, and assembly type buildings are also becoming more and more popular. In the assembled structural design, the large building node sample occupies smaller proportion, but the large building node sample is easy to form abnormal prefabricated parts due to the diversification of the forms, so that great inconvenience is brought to production, transportation and construction, and the cost is increased. Therefore, on the premise of ensuring the structural safety and not affecting the use function, the components are simplified and reasonably configured as much as possible, so that the smoothness and the efficiency of the whole engineering implementation are greatly affected, and the method is also a key point of the assembly type design.
The floating windowsill node is a building mode which is largely adopted in Guangdong regions, is convenient for lighting and improving space sense, and is generally divided into a windowsill top plate and a windowsill bottom plate. As shown in fig. 1, in the conventional cast-in-place construction method, a floating sill bottom plate a11 of an upper floor, a floating sill lower wall a121 of an upper floor, a floating sill top plate a13 of a lower floor, a structural beam A2 and a floor slab A3 of two adjacent floors are cast together; and then installing a window A4 between the floating windowsill top plate A13 and the floating windowsill bottom plate A11 of the same floor, thus finishing the construction of the floating windowsill.
As shown in fig. 2, in the conventional fabricated building design, the construction method of the floating sill is as follows: the structural beam A2 and the floor A3 are all superposed components, namely the structural beam A2 consists of a structural beam prefabricated part A21 and a structural beam cast-in-situ part A22, the floor A3 consists of a floor prefabricated part A31 and a floor cast-in-situ part A32, the structural beam prefabricated part A21 and a floating windowsill top plate A13 of a lower floor are designed into one prefabricated component, a floating windowsill bottom plate A11 of an upper floor and a floating windowsill lower wall A121 of the upper floor are designed into one prefabricated component, and after the two prefabricated components are connected and positioned with the floor prefabricated part A31, concrete of the structural beam cast-in-situ part A22 and the floor cast-in-situ part A32 is cast together.
The construction method of the floating windowsill in the existing assembly type building design has the following defects:
first, because the prefabricated part a21 of the structural beam and the floating sill top plate a13 of the lower floor are designed as a prefabricated part, the prefabricated part a21 of the structural beam is a long part, and the floating sill top plate a13 is shorter and only occupies a part of the length of the prefabricated part a21 of the structural beam, the prefabricated part becomes a special-shaped prefabricated part with larger length, the difficulty and the cost are increased for production, transportation and hoisting, and the connection between the prefabricated part a21 of the structural beam and the floating sill top plate a13 of the lower floor is easy to break and damage in the transportation and hoisting process.
Second, since the two prefabricated members are separated, they are required to be positioned by one supporting structure, respectively, when construction is performed, and the prefabricated member composed of the upper sill bottom plate a11 and the upper sill lower wall a121 is positioned on the cast-in-place portion a22 of the structural beam, which is neither fixed nor constructed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: provided are a U-shaped integrally prefabricated bay window component, an assembled bay window node structure and a construction method thereof.
The technical scheme adopted by the invention is as follows:
a U-shaped integral prefabricated bay window component is characterized in that: the U-shaped integral prefabricated bay window component is a reinforced concrete prefabricated component formed by integrally pouring, and is composed of a first plate, a second plate and a third plate, wherein a boss is formed at the upper part of the second plate relative to the lower part of the second plate, the boss protrudes towards the inner side of the second plate, the first plate and the third plate are both connected with the outer side of the second plate, the first plate is positioned above the third plate, a plurality of groups of grouting sleeves are pre-embedded in the boss and are reserved with operation gaps corresponding to each group of grouting sleeves, the groups of grouting sleeves are arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component, the upper port of each group of grouting sleeves is exposed at the corresponding operation gap, the lower end part of each group of grouting sleeves extends downwards from the lower end surface of the boss, and the grouting holes and the air outlet holes of each group of grouting sleeves are exposed at the inner side surface of the boss; the first plate is used as a floating windowsill bottom plate of an upper floor of two adjacent floors, the upper portion of the second plate is used as a floating windowsill lower wall of the upper floor of the two adjacent floors, and the third plate is used as a floating windowsill top plate of a lower floor of the two adjacent floors.
As a preferred embodiment of the present invention: the first plate is parallel to the third plate, and the second plate is perpendicular to the first plate and the third plate.
As a preferred embodiment of the present invention: each group of grouting sleeves are uniformly arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component, and the interval distance between every two adjacent groups of grouting sleeves is below 1000 mm.
As a preferred embodiment of the present invention: and a concrete pouring opening is reserved at the bottom of the inner side surface of the boss.
As a preferred embodiment of the present invention: the lower part of the second plate is embedded with a plurality of sleeves, each sleeve is arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component, and each sleeve penetrates through the outer side face and the inner side face of the lower part of the second plate.
The assembled bay window node structure comprises a structural beam and a floor slab, wherein the structural beam and the floor slab are superposed components, namely, the structural beam consists of a structural beam prefabricated part and a structural beam cast-in-situ part, and the floor slab consists of a floor slab prefabricated part and a floor slab cast-in-situ part; the method is characterized in that: the assembled bay window node structure further comprises the U-shaped integral prefabricated bay window component, each group of grouting sleeves of the prefabricated part of the structural beam, corresponding to the U-shaped integral prefabricated bay window component, is embedded with a screw rod, and the threaded end part of each screw rod extends upwards from the top surface of the structural beam; each threaded end of the screw rod penetrates through the corresponding grouting sleeve and then stretches into the corresponding operation notch to be screwed with the nut, so that the screw rod is made to be screwed with the nut: the lower end part of each group of grouting sleeves of the U-shaped integral prefabricated bay window component is located on the top surface of the structural beam, the inner side surface of the lower part of the second plate is clung to the outer side surface of the prefabricated part of the structural beam, the lower end surface of the boss is level with the top surface of the floor slab, and the bottom surface of the third plate is level with the bottom surface of the prefabricated part of the structural beam; the concrete of the cast-in-situ part of the structural beam and the concrete of the cast-in-situ part of the floor slab are cast and formed at one time, so that the grouting sleeve is anchored into the cast-in-situ part of the structural beam, and the boss is placed on the cast-in-situ part of the structural beam; and each group of grouting sleeves is injected with grouting material through grouting holes of the grouting sleeves so that the grouting sleeves are fixedly connected with corresponding screw rods.
As a preferred embodiment of the present invention:
the lower part of the second plate of the U-shaped integral prefabricated bay window component is embedded with a plurality of sleeves, the sleeves are arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component, and each sleeve penetrates through the outer side surface and the inner side surface of the lower part of the second plate;
each sleeve pipe of the U-shaped integral prefabricated bay window component is pre-embedded with a threaded sleeve, and a port of each threaded sleeve is exposed out of the outer side surface of the prefabricated structural beam part, so that the port of each threaded sleeve is communicated with the corresponding sleeve pipe; the assembled bay window node structure is provided with a bolt corresponding to each group of communicated sleeves and threaded sleeves, and each bolt penetrates through the corresponding sleeve and then is connected with the corresponding threaded sleeve.
A construction method of an assembled bay window node structure is characterized by comprising the following steps: the assembled bay window node structure is the assembled bay window node structure, and the construction method comprises the following steps:
step one, preparing the U-shaped integral prefabricated bay window component, a structural beam prefabricated part of the structural beam and a floor slab prefabricated part of the floor slab in a factory;
step two, after the prefabricated part of the structural beam and the prefabricated part of the floor slab of the structural beam are installed and positioned on a construction site, the U-shaped integral prefabricated bay window component is hoisted, so that: the threaded end part of each screw rod penetrates through the corresponding grouting sleeve and then stretches into the corresponding operation notch, and the lower end part of each group of grouting sleeves is located on the top surface of the structural beam;
step three, in each operation notch, connecting the threaded end parts of the corresponding screw rods by nuts and screwing;
pouring concrete to form a structural beam cast-in-situ part of the structural beam and a floor cast-in-situ part of the floor slab, so that the grouting sleeve is anchored into the structural beam cast-in-situ part and the boss is placed on the structural beam cast-in-situ part; and each group of grouting sleeves is injected with grouting material through grouting holes of the grouting sleeves so that the grouting sleeves are fixedly connected with corresponding screw rods.
In order to further ensure the reliability of the temporary fixation between the U-shaped integrally prefabricated bay window element and the prefabricated part of the structural beam before casting the cast-in-place part, as a preferred embodiment of the present invention:
the lower part of the second plate of the U-shaped integral prefabricated bay window component is embedded with a plurality of sleeves, the sleeves are arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component, and each sleeve penetrates through the outer side surface and the inner side surface of the lower part of the second plate;
each sleeve pipe of the corresponding U-shaped integral prefabricated bay window component of the prefabricated part of the structural beam is pre-embedded with a threaded sleeve, and each port of the threaded sleeve is exposed out of the outer side surface of the prefabricated part of the structural beam, so that the prefabricated part of the structural beam is provided with the following functions: after the second step is completed, the port of each threaded sleeve is communicated with the corresponding sleeve;
the third step further comprises: and arranging a bolt corresponding to each group of the communicated sleeves and the threaded sleeves, and connecting each bolt with the corresponding threaded sleeve after penetrating through the corresponding sleeve.
As a preferred embodiment of the present invention: the construction method further comprises the following steps:
and fifthly, plugging each operation notch by using mortar.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the U-shaped integrally prefabricated bay window component is placed on the structural beam through the boss part of the U-shaped integrally prefabricated bay window component, the inner side surface of the lower part of the second plate is clung to the outer side surface of the prefabricated part of the structural beam, so that the U-shaped integrally prefabricated bay window component can directly transfer force to the structural beam, and the U-shaped integrally prefabricated bay window component is connected with the structural beam through the matched grouting sleeve and screw rod, so that the eccentric bending moment of the U-shaped integrally prefabricated bay window component can be transferred to the structural beam through the grouting sleeve and the screw rod, the integral shearing resistance is realized, the vertical load transfer and the structural shearing resistance are both very beneficial, and the grouting sleeve of the U-shaped integrally prefabricated bay window component stretches into the structural beam part to be cast in situ together, so that the anchoring of the grouting sleeve in the main structural beam and the floor slab is ensured, the connection of the U-shaped integrally prefabricated bay window component and the main structure (namely the structural beam and the floor slab) is enhanced, and the structural safety of the assembled bay window node structure is ensured;
on the premise of ensuring the structural safety of the assembled bay window node structure, the U-shaped integral prefabricated bay window component with shorter length and the structural beam prefabricated part with longer length are two independent prefabricated parts, and the shape of the U-shaped integral prefabricated bay window component is also relatively regular, so that the problems of large production, transportation and hoisting difficulty and high cost caused by the existing special-shaped prefabricated component with larger length in the conventional assembled bay window node structure are avoided, and the special-shaped prefabricated component is easy to break and damage, thereby being beneficial to the production, transportation and hoisting construction of each prefabricated part;
in summary, the invention avoids the abnormal prefabricated parts with larger length from appearing in the bay window node structure on the premise of ensuring the structural safety of the assembled bay window node structure, and can reduce the difficulty and cost of production, transportation and hoisting of each prefabricated part in the assembled bay window node structure.
Secondly, when the assembled bay window node structure is constructed, the U-shaped integrally prefabricated bay window component can be connected with the structural beam through the grouting sleeve and the screw rod, so that the U-shaped integrally prefabricated bay window component can be positioned on the prefabricated part of the structural beam without additional support, and when the cast-in-situ part of the structural beam and the cast-in-situ part of the floor slab are poured with concrete, the U-shaped integrally prefabricated bay window component can be used as an outer side template, and the number of supporting moulds of a construction site is reduced, so that the assembled bay window node structure has the advantage of convenience in construction.
Thirdly, the invention can further ensure the reliability of temporary fixation between the U-shaped integral prefabricated bay window component and the prefabricated part of the structural beam by embedding the sleeve in the U-shaped integral prefabricated bay window component, embedding the threaded sleeve in the prefabricated part of the structural beam and connecting the sleeve with the corresponding threaded sleeve after the bolt passes through the corresponding sleeve.
Drawings
The invention is described in further detail below with reference to the attached drawings and to specific examples:
FIG. 1 is a schematic view of a prior art building constructed with cast-in-place bay window nodes;
FIG. 2 is a schematic diagram of a prior art fabricated bay window node construction;
FIG. 3 is a schematic view of the structure of the U-shaped integrally prefabricated bay window component of the present invention;
FIG. 4 is a schematic view of the structure of the assembled bay window node construction of the present invention;
fig. 5 is a schematic structural view of a building of the present invention employing an assembled bay window node construction.
Detailed Description
As shown in fig. 3, the invention discloses a U-shaped integrally prefabricated bay window component, which has the following inventive concept: the U-shaped integral precast bay window component 1 is a reinforced concrete precast component formed by integrally casting, which consists of a first plate 11, a second plate 12 and a third plate 13, wherein the upper part 121 of the second plate 12 forms a boss 1211 relative to the lower part 122, the boss 1211 protrudes towards the inner side of the second plate 12, the first plate 11 and the third plate 13 are connected with the outer side 12a of the second plate 12, the first plate 11 is positioned above the third plate 13, the boss 1211 is embedded with a plurality of groups of grouting sleeves 41, an operation notch 12d is reserved corresponding to each group of grouting sleeves 41, the grouting sleeves 41 are preferably steel grouting sleeves, the operation notch 12d is preferably 150mm in size, the groups of grouting sleeves 41 are arranged at intervals along the width direction of the U-shaped integral precast bay window component 1, the upper port of each group of grouting sleeves 41 is exposed at the corresponding operation notch 12d, the lower end of each group of grouting sleeves 41 extends downwards from the lower end face 12c of the boss 1211, and each group of grouting sleeves 41 is exposed at the inner side 12e of the boss 1211; wherein the first plate 11 serves as a bay floor for an upper floor of two adjacent floors, the upper portion 121 of the second plate 12 serves as a bay lower wall for an upper floor of two adjacent floors, and the third plate 13 serves as a bay roof for a lower floor of two adjacent floors.
As shown in fig. 4, the invention also discloses an assembled bay window node structure, which comprises a structural beam 2 and a floor slab 3, wherein the structural beam 2 and the floor slab 3 are all superposed components, namely, the structural beam 2 consists of a structural beam prefabricated part 21 and a structural beam cast-in-situ part 22, and the floor slab 3 consists of a floor slab prefabricated part 31 and a floor slab cast-in-situ part 32. The invention relates to an assembled bay window node structure, which comprises the following steps: the assembled bay window node structure of the invention further comprises the U-shaped integral prefabricated bay window component 1, each group of grouting sleeves 41 of the structural beam prefabricated part 21 corresponding to the U-shaped integral prefabricated bay window component 1 is embedded with a screw rod 42, and the threaded end part of each screw rod 42 extends upwards from the top surface of the structural beam 2; the threaded end of each screw 42 passes through the corresponding grouting sleeve 41 and then extends into the corresponding operation notch 12d to be screwed with the nut 43, so that: the lower end part of each group of grouting sleeves 41 of the U-shaped integral prefabricated bay window component 1 is located on the top surface of the structural beam 2, the inner side surface 12b of the lower part 122 of the second plate 12 is clung to the outer side surface of the structural beam prefabricated part 21, the lower end surface 12c of the boss 1211 is flush with the top surface of the floor slab 3, and the bottom surface 13a of the third plate 13 is flush with the bottom surface of the structural beam prefabricated part 21; the concrete of the structural beam cast-in-place part 22 and the concrete of the floor cast-in-place part 32 are cast and formed once, so that the grouting sleeve 41 is anchored into the structural beam cast-in-place part 22 and the boss 1211 is placed on the structural beam cast-in-place part 22; and, each set of grouting sleeves 41 is injected with grouting material through grouting holes thereof, so that the grouting sleeves 41 are fixedly connected with the corresponding screw rods 42.
Referring to fig. 5, for a building employing the assembled bay window node structure of the present invention, a window 6 is installed between a bay sill top plate of the same floor (i.e., a third plate 13 of an upper one of two adjacent assembled bay window node structures) and a bay sill bottom plate (i.e., a first plate 11 of a lower one of two adjacent assembled bay window node structures), thereby completing construction of the floor bay window.
Therefore, the U-shaped integrally prefabricated bay window component 1 is partially placed on the structural beam 2 through the boss 1211, the inner side 12b of the lower part 122 of the second plate 12 is tightly attached to the outer side of the structural beam prefabricated part 21, so that the U-shaped integrally prefabricated bay window component 1 can directly transfer force to the structural beam 2, and the U-shaped integrally prefabricated bay window component 1 is connected with the structural beam 2 through the matched grouting sleeve 41 and screw 42, so that the eccentric bending moment of the U-shaped integrally prefabricated bay window component can be transferred to the structural beam through the grouting sleeve 41 and the screw 42, the integral shearing resistance is realized, the vertical load transfer and the structural shearing resistance are both very beneficial, and the grouting sleeve 41 of the U-shaped integrally prefabricated bay window component 1 stretches into the structural beam cast-in-situ part 22 together, so that the anchoring of the grouting sleeve 41 in the structural beam 2 and the floor slab 3 is ensured, the connection of the U-shaped integrally prefabricated bay window component 1 and the building main structure, namely the structural beam 2 and the floor slab 3 is enhanced, and the safety of the assembly-type integrally prefabricated bay window node structure is ensured.
On the premise of ensuring the structural safety of the assembled bay window node structure, the U-shaped integral prefabricated bay window component 1 with shorter length and the structural beam prefabricated part 21 with longer length are two independent prefabricated parts, and the shape of the U-shaped integral prefabricated bay window component 1 is also regular, so that the problems of high production, transportation and hoisting difficulty, high fracture and damage of the special-shaped prefabricated components caused by the existence of the special-shaped prefabricated components with larger length in the conventional assembled bay window node structure are avoided, and the production, transportation and hoisting construction of each prefabricated part are facilitated.
Therefore, on the premise of ensuring the structural safety of the assembled bay window node structure, the invention avoids the appearance of special-shaped prefabricated parts with larger length in the bay window node structure, and can reduce the difficulty and cost of production, transportation and hoisting of each prefabricated part in the assembled bay window node structure.
Based on the above inventive concept, the present invention may adopt the following preferred structure:
as a preferred embodiment of the present invention: the first plate 11 is parallel to the third plate 13 and the second plate 12 is perpendicular to the first plate 11 and the third plate 13.
As a preferred embodiment of the present invention: the grouting sleeves 41 of each group are uniformly spaced apart in the width direction of the U-shaped integrally prefabricated bay window member 1, and the spacing distance between two adjacent groups of grouting sleeves 41 is 1000mm or less.
As a preferred embodiment of the present invention: the bottom of the inner side surface 12e of the boss 1211 is reserved with a concrete pouring opening 12f forming a 45-degree unfilled angle so as to facilitate the concrete vibration of the cast-in-situ part 22 of the structural beam and avoid the shielding of the boss 1211 on the concrete vibration of the cast-in-situ part 22 of the structural beam.
The invention also discloses a construction method of the assembled bay window node structure, which comprises the following steps:
step one, preparing a U-shaped integrally prefabricated bay window component 1, a structural beam prefabricated part 21 of a structural beam 2 and a floor slab prefabricated part 31 of a floor slab 3 in a factory;
step two, after the structural beam prefabricated part 21 of the structural beam 2 and the floor slab prefabricated part 31 of the floor slab 3 are installed and positioned on a construction site, the U-shaped integral prefabricated bay window component 1 is hoisted, so that: the threaded end part of each screw rod 42 passes through the corresponding grouting sleeve 41 and then extends into the corresponding operation notch 12d, and the lower end part of each group of grouting sleeves 41 is located on the top surface of the structural beam 2;
step three, in each operation notch 12d, the threaded end of the corresponding screw rod 42 is connected by a nut 43 and is screwed, so that the U-shaped integral prefabricated bay window component 1 can be positioned on the structural beam prefabricated part 21 without additional support;
pouring concrete to form a structural beam cast-in-situ part 22 of the structural beam 2 and a floor cast-in-situ part 32 of the floor 3, anchoring the grouting sleeve 41 into the structural beam cast-in-situ part 22, and placing the boss 1211 on the structural beam cast-in-situ part 22; and, each set of grouting sleeves 41 is injected with grouting material through grouting holes thereof, so that the grouting sleeves 41 are fixedly connected with the corresponding screw rods 42.
And fifthly, blocking each operation notch 12d by using mortar.
In addition, in order to further secure the reliability of the temporary fixation between the U-shaped integrally prefabricated bay window element 1 and the structural beam prefabricated part 21 before the cast-in-place part is poured, the present invention may employ the following preferred embodiments:
the lower part 122 of the second plate 12 of the U-shaped integral prefabricated bay window component 1 is pre-embedded with a plurality of sleeves 51, the sleeves 51 are arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component 1, and each sleeve 51 penetrates through the outer side surface 12a and the inner side surface 12b of the lower part 122 of the second plate 12;
each sleeve 51 of the prefabricated part 21 of the structural beam corresponding to the U-shaped integral prefabricated bay window member 1 is pre-embedded with a threaded sleeve 52, and the port of each threaded sleeve 52 is exposed at the outer side surface of the prefabricated part 21 of the structural beam, so that: after the second step is completed, the port of each threaded sleeve 52 is communicated with the corresponding sleeve 51;
the third step also comprises: one bolt 53 is provided corresponding to each set of the communicated bushings 51 and threaded sleeves 52, and each bolt 53 is connected with the corresponding threaded sleeve 52 after passing through the corresponding bushing 51.
The present invention is not limited to the above-described embodiments, and according to the above-described matters, the present invention may be modified, replaced or altered in various equivalent ways without departing from the basic technical spirit of the present invention, all falling within the scope of the present invention, according to the general technical knowledge and conventional means in the art. For example: the anchor 14 may also be other means capable of achieving the connection of two concrete prefabricated parts.
Claims (10)
1. A U-shaped integral prefabricated bay window component is characterized in that: the U-shaped integral precast floating window component (1) is a reinforced concrete precast component formed by integrally casting, the reinforced concrete precast component is composed of a first plate (11), a second plate (12) and a third plate (13), the upper part (121) of the second plate (12) forms a boss (1211) relative to the lower part (122), the boss (1211) protrudes towards the inner side of the second plate (12), the first plate (11) and the third plate (13) are both connected with the outer side surface (12 a) of the second plate (12), the first plate (11) is positioned above the third plate (13), a plurality of groups of grouting sleeves (41) are pre-embedded and are reserved with operation notches (12 d) corresponding to each group of grouting sleeves (41), the grouting sleeves (41) are arranged at intervals along the width direction of the U-shaped integral precast window component (1), the upper port of each group of grouting sleeves (41) is connected with the outer side surface (12 a) of the second plate (12), and each grouting sleeve (41) protrudes from the lower end surface (1211) of the corresponding group of grouting sleeve (41) to the lower end surface (121c) of each grouting sleeve (41) to expose the boss (12 b); wherein the first plate (11) is used as a floating sill bottom plate of an upper floor of two adjacent floors, the upper part (121) of the second plate (12) is used as a floating sill lower wall of the upper floor of the two adjacent floors, and the third plate (13) is used as a floating sill top plate of a lower floor of the two adjacent floors.
2. The U-shaped integrally formed prefabricated bay window component of claim 1, wherein: the first plate (11) is parallel to the third plate (13), and the second plate (12) is perpendicular to the first plate (11) and the third plate (13).
3. The U-shaped integrally formed prefabricated bay window component of claim 1, wherein: the grouting sleeves (41) of each group are uniformly arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component (1), and the interval distance between two adjacent groups of grouting sleeves (41) is less than 1000 mm.
4. The U-shaped integrally formed prefabricated bay window component of claim 1, wherein: the boss (1211) is provided with a concrete pouring opening (12 f) at the bottom of the inner side surface (12 e) thereof.
5. A U-shaped integrally formed prefabricated bay window member as defined in any one of claims 1 to 4, wherein: the lower part (122) of the second plate (12) is pre-embedded with a plurality of sleeves (51), each sleeve (51) is arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component (1), and each sleeve (51) penetrates through the outer side face (12 a) and the inner side face (12 b) of the lower part (122) of the second plate (12).
6. The assembled bay window node structure comprises a structural beam (2) and a floor slab (3), wherein the structural beam (2) and the floor slab (3) are superposed components, namely, the structural beam (2) consists of a structural beam prefabricated part (21) and a structural beam cast-in-situ part (22), and the floor slab (3) consists of a floor slab prefabricated part (31) and a floor slab cast-in-situ part (32); the method is characterized in that: the assembled bay window node structure further comprises a U-shaped integrally prefabricated bay window component (1) as claimed in any one of claims 1 to 4, each group of grouting sleeves (41) of the structural beam prefabricated part (21) corresponding to the U-shaped integrally prefabricated bay window component (1) is pre-embedded with a screw rod (42), and the threaded end part of each screw rod (42) extends upwards from the top surface of the structural beam (2); the threaded end of each screw rod (42) penetrates through the corresponding grouting sleeve (41) and then stretches into the corresponding operation notch (12 d) to be screwed and connected with the nut (43), so that: the lower end part of each group of grouting sleeves (41) of the U-shaped integral prefabricated bay window component (1) is located on the top surface of the structural beam (2), the inner side surface (12 b) of the lower part (122) of the second plate (12) is clung to the outer side surface of the prefabricated structural beam part (21), the lower end surface (12 c) of the boss (1211) is flush with the top surface of the floor slab (3), and the bottom surface (13 a) of the third plate (13) is flush with the bottom surface of the prefabricated structural beam part (21); the concrete of the structural beam cast-in-place part (22) and the concrete of the floor cast-in-place part (32) are cast and formed at one time, so that the grouting sleeve (41) is anchored into the structural beam cast-in-place part (22) and the boss (1211) is placed on the structural beam cast-in-place part (22); and, each group of grouting sleeves (41) is injected with grouting material through grouting holes thereof, so that the grouting sleeves (41) are fixedly connected with corresponding screw rods (42).
7. The fabricated bay window node construction of claim 6, wherein:
the lower part (122) of the second plate (12) of the U-shaped integral prefabricated bay window component (1) is pre-embedded with a plurality of sleeves (51), the sleeves (51) are arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component (1), and each sleeve (51) penetrates through the outer side surface (12 a) and the inner side surface (12 b) of the lower part (122) of the second plate (12);
each sleeve (51) of the corresponding U-shaped integral prefabricated bay window component (1) of the structural beam prefabricated part (21) is pre-embedded with a threaded sleeve (52), and a port of each threaded sleeve (52) is exposed out of the outer side surface of the structural beam prefabricated part (21), so that the port of each threaded sleeve (52) is communicated with the corresponding sleeve (51); the assembled bay window node structure is provided with a bolt (53) corresponding to each group of communicated sleeves (51) and threaded sleeves (52), and each bolt (53) penetrates through the corresponding sleeve (51) and then is connected with the corresponding threaded sleeve (52).
8. A construction method of an assembled bay window node structure is characterized by comprising the following steps: the assembled bay window node structure is the assembled bay window node structure of claim 6, and the construction method comprises the following steps:
step one, preparing the U-shaped integrally prefabricated bay window component (1), a structural beam prefabricated part (21) of the structural beam (2) and a floor slab prefabricated part (31) of the floor slab (3) in a factory;
step two, after the structure beam prefabricated part (21) of the structure beam (2) and the floor slab prefabricated part (31) of the floor slab (3) are installed and positioned on a construction site, the U-shaped integral prefabricated bay window component (1) is hoisted, so that the structure beam is formed by the steps of: the threaded end part of each screw rod (42) penetrates through the corresponding grouting sleeve (41) and then stretches into the corresponding operation notch (12 d), and the lower end part of each group of grouting sleeve (41) is located on the top surface of the structural beam (2);
step three, in each operation notch (12 d), connecting and tightening the threaded end part of the corresponding screw rod (42) by using a nut (43);
pouring concrete to form a structural beam cast-in-place part (22) of the structural beam (2) and a floor cast-in-place part (32) of the floor (3), so that the grouting sleeve (41) is anchored into the structural beam cast-in-place part (22) and the boss (1211) is placed on the structural beam cast-in-place part (22); and, each group of grouting sleeves (41) is injected with grouting material through grouting holes thereof, so that the grouting sleeves (41) are fixedly connected with corresponding screw rods (42).
9. The method of constructing a fabricated bay window node structure of claim 8, wherein:
the lower part (122) of the second plate (12) of the U-shaped integral prefabricated bay window component (1) is pre-embedded with a plurality of sleeves (51), the sleeves (51) are arranged at intervals along the width direction of the U-shaped integral prefabricated bay window component (1), and each sleeve (51) penetrates through the outer side surface (12 a) and the inner side surface (12 b) of the lower part (122) of the second plate (12);
each sleeve (51) of the corresponding U-shaped integral prefabricated bay window component (1) of the prefabricated part (21) of the structural beam is pre-embedded with a threaded sleeve (52), and the port of each threaded sleeve (52) is exposed out of the outer side surface of the prefabricated part (21) of the structural beam, so that the prefabricated bay window component is characterized in that: after the second step is completed, the port of each threaded sleeve (52) is communicated with the corresponding sleeve (51);
the third step further comprises: and a bolt (53) is arranged corresponding to each group of the communicated sleeve (51) and the threaded sleeve (52), and each bolt (53) passes through the corresponding sleeve (51) and then is connected with the corresponding threaded sleeve (52).
10. A method of constructing a fabricated bay window node structure as defined in claim 8 or 9, wherein: the construction method further comprises the following steps:
and fifthly, blocking each operation notch (12 d) by using mortar.
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| CN110284587A (en) * | 2019-06-17 | 2019-09-27 | 广西建工集团第五建筑工程有限责任公司 | A kind of prefabricated window and connection joints of steel structure and the construction method of floaing of staggered floor |
| CN110761400B (en) * | 2019-10-12 | 2021-05-25 | 中民筑友科技产业有限公司 | Connecting structure of prefabricated integral convex window and assembling method thereof |
| CN113417361A (en) * | 2021-06-28 | 2021-09-21 | 中建科工集团有限公司 | Prefabricated bay window and connecting method |
| CN114165135A (en) * | 2022-02-11 | 2022-03-11 | 佛山南方建筑设计院有限公司 | Construction method of outer wall window anti-seepage structure and anti-seepage structure combined system |
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