CN113431412A - Assembled double-layer corrugated steel plate composite shear wall and splicing method thereof - Google Patents
Assembled double-layer corrugated steel plate composite shear wall and splicing method thereof Download PDFInfo
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- CN113431412A CN113431412A CN202110741389.5A CN202110741389A CN113431412A CN 113431412 A CN113431412 A CN 113431412A CN 202110741389 A CN202110741389 A CN 202110741389A CN 113431412 A CN113431412 A CN 113431412A
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- 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
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- E—FIXED CONSTRUCTIONS
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- 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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention relates to an assembled double-layer corrugated steel plate composite shear wall and a splicing method thereof, wherein the assembled double-layer corrugated steel plate composite shear wall comprises two vertical square steel pipes and a prefabricated shear wall assembled in the two vertical square steel pipes, two groups of reinforcing mesh in the prefabricated shear wall are respectively and fixedly arranged on two opposite side walls of a steel plate mechanism, and a concrete layer is poured outside the reinforcing mesh; the embedded plugboards are fixedly mounted on two sides of the upper end of the steel plate mechanism respectively, inserting grooves matched with the embedded plugboards are formed in two sides of the lower end of the steel plate mechanism respectively, and matched first steel bar through holes are formed in the embedded plugboards, the concrete layers on two sides of the inserting grooves and the lower end of the steel plate mechanism; the reinforcing steel bars are inserted into the first reinforcing steel bar through holes, the prefabricated shear wall is provided with the laminated slab bottom plate, and the problems that the integrity of the assembled shear wall and the prefabricated floor slab is poor, the construction is inconvenient and not stable enough, and a plurality of splices cannot be realized, and the construction efficiency is low in the conventional connection mode of the assembled shear wall, the shear wall and the prefabricated floor slab are solved.
Description
Technical Field
The invention belongs to the technical field of assembly type buildings, and particularly relates to an assembly type double-layer corrugated steel plate composite shear wall and a splicing method thereof.
Background
Along with the national economic transformation and the adjustment of industrial structures, the traditional manual workshop type 'construction' mode with high energy consumption and low output is changed into the factory and standard 'manufacturing' mode in China, and the assembled shear wall structure is popularized and applied nationwide by the aid of the large structural rigidity, the good bearing capacity and the flexible spatial arrangement of the assembled shear wall structure and according with the development requirements of 'housing industrialization'. There are many more horizontal joints in fabricated shear wall structures than fabricated frame structures, which not only directly determine the overall safety of the structure, but also affect the durability and functional utility of the structure.
The common connection method of the horizontal joint of the existing assembled shear wall is mainly a wet connection method of grouting steel sleeves and then casting concrete in situ. By adopting the technology, the steel bar is continuously stressed, but the using amount of the steel sleeve is large, the unit price of the sleeve is higher, the construction precision requirement of the connected part of the steel bar is high, and the steel bar is not suitable for shear wall members with smaller section width and denser steel bar.
The shear wall is composed of a concrete wall body, a wall body horizontal rib and a vertical structural rib, wherein the wall body horizontal rib and the vertical structural rib are poured in the concrete wall body to form a reinforcement cage, the wall body horizontal rib is vertical to the vertical structural rib, a row of longitudinal rib preformed holes are uniformly arranged in the shear wall along the vertical direction, the vertical ladder ribs are inserted into the preformed holes of the prefabricated shear wall, the vertical ladder ribs of the upper shear wall are correspondingly lapped with the vertical ladder ribs of the lower shear wall, the longitudinal rib preformed holes of the upper shear wall and the lower shear wall are aligned one by one, and self-compacting concrete is filled in the longitudinal rib preformed holes.
This shear force wall need set up the multiunit and indulge the muscle preformed hole according to the intensity requirement of shear force wall usually when the assembly, and the steel bar connection position required precision is high in the work progress, consequently also high to the machining precision requirement of prefabricated wallboard. When the assembled shear wall and the prefabricated floor slab are assembled, reinforcing steel bars need to be embedded in the shear wall, the reinforcing steel bars extend out of the side end of the shear wall wallboard, and then slots are formed in the prefabricated floor slab matched with the reinforcing steel bars for enabling the shear wall and the prefabricated floor slab to be matched and fixed with each other.
Disclosure of Invention
In view of the above, the invention provides an assembled double-layer corrugated steel plate composite shear wall and an assembling method thereof, and aims to solve the problems that the existing connecting mode of an assembled shear wall and a prefabricated floor slab has poor integrity of the assembled shear wall and the prefabricated floor slab, is inconvenient and unstable in construction, cannot realize multiple splicing, is complex in operation, has low construction efficiency, and seriously restricts the vigorous popularization of the structure of the assembled shear wall.
An assembled double-layer corrugated steel plate composite shear wall comprises two vertical square steel tubes and a prefabricated shear wall assembled in the two vertical square steel tubes, wherein the prefabricated shear wall comprises a steel plate mechanism and two groups of reinforcing steel bar nets, the two groups of reinforcing steel bar nets are fixedly arranged on two opposite side walls of the steel plate mechanism respectively, and a concrete layer is poured outside the reinforcing steel bar nets;
the embedded plugboards are fixedly mounted on two sides of the upper end of the steel plate mechanism respectively, inserting grooves matched with the embedded plugboards are formed in two sides of the lower end of the steel plate mechanism respectively, matched first steel bar through holes are formed in the embedded plugboards, the concrete layers on two sides of the inserting grooves and the lower end of the steel plate mechanism, and steel bars are inserted in the first steel bar through holes; the prefabricated shear wall is provided with a laminated slab bottom plate.
Has the advantages that: insert suitable steel pipe through in pre-buried picture peg, concrete layer and the first reinforcing bar through-hole on the steel sheet mechanism and can play fixed upper and lower two-layer prefabricated shear wall of splicing each other and observe on the superimposed sheet bottom plate whether the effect to suitable position is pour to the concrete.
Furthermore, the first steel bar through hole is in an inclined shape with a high left and a low right or a high right and a low left, and the steel bar is obliquely inserted into the first steel bar through hole of the steel plate mechanism. Has the advantages that: the reinforcing bar of first reinforcing bar through-hole oblique insertion plays the effect of the adjacent precast shear force wall of fixed connection, and the concrete is pour on the superimposed sheet bottom plate, and the reinforcing bar plays the effect of strengthening precast shear force wall and superimposed sheet bottom plate joint strength in the pre-buried concrete layer on the superimposed sheet bottom plate.
Further, the steel plate mechanism is a corrugated steel plate, the surface of which is evenly provided with a plurality of groups of round holes and arranged in the vertical square steel pipe. Through seting up the round hole respectively on corrugated steel plate, can make the concrete realize flowing each other in corrugated steel plate's both sides when pouring, make the concrete can carry out better combination with perpendicular square steel pipe, and then improve its stability and fastness.
Further, the corrugated steel plate mechanism comprises two groups of corrugated steel plate bodies and a plurality of groups of vacuum balls; a heat insulation layer is arranged between the two groups of corrugated steel plate bodies, silica gel plates are arranged around the heat insulation layer, and two ends of each silica gel plate are respectively arranged on the two groups of corrugated steel plate bodies; a plurality of groups of damping parts are arranged in the heat-insulating layer; the plurality of groups of vacuum balls are all positioned in the heat insulation layer.
Further, the shock absorption portion comprises a first connecting plate and a second connecting plate, one end of the first connecting plate is hinged to an adjacent group of first connecting plates, the other end of the first connecting plate is provided with a telescopic plate, a spring is arranged in the telescopic plate, one end of the second connecting plate is installed on the spring, the other end of the second connecting plate penetrates through the outside of the telescopic plate and is hinged to an adjacent group of second connecting plates, and the two adjacent groups of second connecting plates are arranged in an equilateral mode.
Further, be equipped with first superimposed sheet bottom plate on the precast shear force wall, a plurality of groups of fixing through holes have been seted up to first superimposed sheet bottom plate top both sides edge symmetry, but first superimposed sheet bottom plate mobile laminating is on concrete layer top boss, evenly pre-buried a plurality of groups of buried bolts in advance on the concrete layer of pre-buried picture peg both sides, first superimposed sheet bottom plate assembly back on the concrete layer top boss of precast shear force wall, the buried bolt in advance wears out corresponding fixing through hole and fixes through the nut threaded connection that corresponds.
Furthermore, a second laminated slab bottom plate is assembled on the prefabricated shear wall, a plurality of steel bars penetrate through the second laminated slab bottom plate at equal intervals, and fixing circular rings are welded and fixed at the ends of the steel bars; a plurality of groups of fixed circular rings on the two side walls of the bottom plate of the second laminated slab are arranged in a mutually crossed manner; the plurality of groups of fixed rings on the same side respectively penetrate through the ring fixing grooves on the same side.
Has the advantages that: after the second superimposed sheet bottom plate is placed on a concrete layer top boss on the prefabricated shear wall, the fixed rings penetrate into the corresponding ring fixing grooves and then are mutually overlapped, and the prefabricated shear wall and the second superimposed sheet bottom plate are fixed by inserting appropriate steel bars into the round holes in the vertical square steel pipes.
A splicing method of an assembled double-layer corrugated steel plate composite shear wall comprises the following steps:
s1: inserting the embedded insertion plates on the prefabricated shear walls into the insertion grooves on the adjacent prefabricated shear walls respectively and correspondingly according to requirements, inserting reinforcing steel bars into the insertion grooves along the embedded insertion plates, the concrete layer and first reinforcing steel bar through holes on the steel plate mechanism, and after the reinforcing steel bars are inserted into the first reinforcing steel bar through holes, pouring concrete into the high-side flow from the low side of the first reinforcing steel bar through holes to flow out so as to fill gaps among the first reinforcing steel bar through holes;
s2: placing a first laminated slab bottom plate on a boss at the upper end of the prefabricated shear wall, after the first laminated slab bottom plate is assembled on a boss at the top of a concrete layer of the prefabricated shear wall, pre-buried bolts on the concrete layers at two sides of the pre-buried inserting plate penetrate through corresponding fixing through holes and are connected and fixed through corresponding screw caps and threads;
s3: and pouring a concrete layer on the bottom plate of the first laminated slab to a proper thickness.
A splicing method of an assembled double-layer corrugated steel plate composite shear wall comprises the following steps:
s1: inserting the embedded insertion plates on the prefabricated shear walls into the insertion grooves on the adjacent prefabricated shear walls respectively and correspondingly according to requirements, inserting reinforcing steel bars into the insertion grooves along the embedded insertion plates, the concrete layer and first reinforcing steel bar through holes on the steel plate mechanism, and after the reinforcing steel bars are inserted into the first reinforcing steel bar through holes, pouring concrete into the high-side flow from the low side of the first reinforcing steel bar through holes to flow out so as to fill gaps among the first reinforcing steel bar through holes;
s2: placing a second laminated slab bottom plate on a boss at the upper end of the prefabricated shear wall, assembling the second laminated slab bottom plate on a boss at the top of a concrete layer of the prefabricated shear wall, enabling fixing circular rings on the second laminated slab bottom plate to penetrate into corresponding circular ring fixing grooves to be mutually overlapped, and inserting proper reinforcing steel bars into the fixing circular rings to fix the prefabricated shear wall and the second laminated slab bottom plate;
s3: and pouring a concrete layer on the bottom plate of the second laminated slab to a proper thickness.
The invention has the beneficial effects that:
1. according to the assembled double-layer corrugated steel plate composite shear wall disclosed by the invention, the embedded insertion plates are respectively welded and fixed on two sides of the upper end of the steel plate mechanism, the insertion grooves matched with the embedded insertion plates are respectively formed on two sides of the lower end of the steel plate mechanism, and the embedded insertion plates and the insertion grooves are mutually inserted and matched, so that the shear walls with different sizes can be quickly spliced according to requirements, and the operation is simple, and the construction efficiency is high. The embedded inserting plate, the first reinforcing bar through hole of looks adaptation is seted up to the concrete layer and the steel sheet mechanism lower extreme of inserting groove both sides, through at the embedded inserting plate, insert suitable reinforcing bar in the first reinforcing bar through hole on concrete layer and the steel sheet mechanism and can play the effect of fixed upper and lower two-layer precast shear force wall of splicing each other, first reinforcing bar through hole is the slope form of high left and low right or high right and low left, the reinforcing bar of first reinforcing bar through hole slant insertion plays the effect of the adjacent precast shear force wall of fixed connection, the concrete is pour on the superimposed sheet bottom plate, the reinforcing bar plays the effect of strengthening precast shear force wall and superimposed sheet bottom plate joint strength in the concrete layer of embedded on the superimposed sheet bottom plate.
2. The invention discloses an assembled double-layer corrugated steel plate composite shear wall, wherein fixed circular rings are welded and fixed at the end parts of equidistant penetrating steel bars on a bottom plate of a laminated slab. The fixed rings of a plurality of groups on the two side walls of the bottom plate of the laminated slab are arranged in a mutually crossed manner. The plurality of groups of fixed rings on the same side respectively penetrate through the ring fixing grooves on the same side. After the laminated slab bottom plate is placed on a concrete layer top boss on the prefabricated shear wall, the fixed rings penetrate into the corresponding ring fixing grooves and then are mutually overlapped, and the prefabricated shear wall and the laminated slab bottom plate are fixed by inserting proper reinforcing steel bars into the fixed rings. The splicing method of the composite slab is also beneficial to fixing the composite slab and the prefabricated shear wall, so that the composite slab and the prefabricated shear wall can be assembled more quickly and efficiently.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a prefabricated shear wall in embodiment 1 of the invention;
FIG. 2 is a schematic structural view of a bottom plate of a laminated slab in embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the connection between a steel plate mechanism and a square steel pipe in example 1 of the present invention;
fig. 4 is a sectional view showing the connection between the precast shear wall and the first laminated slab floor in example 1 of the present invention;
fig. 5 is a schematic structural view of a prefabricated shear wall in embodiment 2 of the invention;
FIG. 6 is a schematic structural view of a corrugated steel plate mechanism in embodiment 2 of the present invention;
fig. 7 is an exploded view of a prefabricated shear wall according to embodiment 2 of the present invention;
FIG. 8 is a left side sectional view of a corrugated steel plate mechanism in embodiment 2 of the invention;
FIG. 9 is a partial sectional view of a damper portion in embodiment 2 of the invention;
FIG. 10 is a schematic view showing a structure of a damper portion in embodiment 2 of the invention;
fig. 11 is a sectional view showing the connection between the precast shear wall and the floor of the first laminated slab in example 2 of the present invention;
fig. 12 is a schematic structural view of a prefabricated shear wall in embodiment 3 of the invention;
FIG. 13 is a schematic structural view of a bottom plate of a laminated slab in embodiment 3 of the present invention;
fig. 14 is a sectional view showing the connection between the precast shear wall and the second laminated slab floor in example 3 of the present invention.
Reference numerals: 100. prefabricating a shear wall; 101. a corrugated steel plate mechanism; 1011. a corrugated steel plate body; 1012. a heat-insulating layer; 1013. a silica gel plate; 1014. a shock absorbing part; 10141. a first connecting plate; 10142. a retractable plate; 10143. a second connecting plate; 10144. a spring; 1015. a vacuum ball; 102. a reinforcing mesh; 103. a concrete layer; 200. a steel pipe; 300. a vertical square steel pipe; 400. pre-embedding a plug board; 401. inserting grooves; 402. a first steel bar through hole; 403. a circular ring fixing groove; 404. a second steel bar through hole; 501. a first superimposed sheet bottom plate; 502. a fixing through hole; 510. a second laminated slab bottom plate; 520. fixing the circular ring; 600. and (6) embedding the bolts.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Example 1:
as shown in fig. 1 to 4, the fabricated double-layer corrugated steel plate composite shear wall includes two vertical steel tubes 300 and a prefabricated shear wall 100 assembled in the two vertical steel tubes 300, where the prefabricated shear wall 100 includes a steel plate mechanism 101 and two sets of reinforcing mesh 102. Two sets of reinforcing mesh 102 are respectively fixedly installed on two opposite side walls of the steel plate mechanism 101. The reinforcing mesh 102 is externally poured with a concrete layer 103.
The two sides of the upper end of the steel plate mechanism 101 are respectively welded and fixed with embedded insertion plates 400, the embedded insertion plates 400 are corrugated and are matched with the steel plate mechanism 101, the two sides of the lower end of the steel plate mechanism 101 are respectively provided with insertion grooves 401 matched with the embedded insertion plates 400, the concrete layers 103 on the two sides of the insertion grooves 401 and the lower end of the steel plate mechanism 101 are provided with first steel bar through holes 402 matched with each other, the embedded insertion plates 400, the concrete layers 103 and the lower end of the steel plate mechanism 101 are inserted with proper steel bars 200 to play a role in fixing the upper and lower layers of the prefabricated shear wall 100 which is spliced with each other, the first steel bar through holes 402 are inclined, so that after the first laminated plate bottom plate 501 is assembled on the prefabricated shear wall 100, the steel bars obliquely inserted in the first steel bar through holes 402 play a role in fixedly connecting the adjacent prefabricated shear walls 100, when concrete is poured into gaps on the periphery sides of the steel bars 200 in the first steel bar through holes 402, the gaps overflow from the low pouring high side to tightly fill the holes of the first steel bar through holes 402, the heights of the first steel bar through holes 402 are higher than that of the first laminated slab bottom plate 501, and concrete is poured on the first laminated slab bottom plate 501.
The end surface of the embedded insertion plate 400 is in a zigzag shape or a wave shape matched with the steel plate mechanism 101, so that the embedded insertion plate 400 and the steel plate mechanism 101 can be welded and fixed conveniently.
The steel plate mechanism 101 is a corrugated steel plate with a plurality of groups of round holes uniformly formed on the surface and arranged in the vertical steel pipe 300. Through seting up the round hole respectively on corrugated steel plate, can make the concrete realize flowing each other in corrugated steel plate's both sides when pouring, make the concrete can carry out better combination with perpendicular square steel pipe 300, and then improve its stability and fastness.
In embodiment 1, the laminated slab base plate assembled on the precast shear wall 100 is the first laminated slab base plate 501, a plurality of sets of fixing through holes 502 are symmetrically formed in edges of two sides of the top of the first laminated slab base plate 501, and the plurality of sets of fixing through holes 502 on the same side are distributed at equal intervals. The first laminated slab bottom plate 501 is movably attached to a boss at the top of the concrete layer 103, a plurality of groups of embedded bolts 600 are uniformly embedded in the concrete layer 103 on two sides of the embedded insertion plate 400, and after the first laminated slab bottom plate 501 is assembled on the boss at the top of the concrete layer 103 of the prefabricated shear wall 100, the embedded bolts 600 penetrate through the corresponding fixing through holes 502 and are fixedly connected through corresponding screw caps and threads.
On the basis of the assembled double-layer corrugated steel plate composite shear wall, the embodiment of the invention also provides a splicing method of the assembled double-layer corrugated steel plate composite shear wall, which comprises the following steps:
s1: the embedded insertion plates 400 on the prefabricated shear walls 100 are correspondingly inserted into the insertion grooves 401 on the adjacent prefabricated shear walls 100 respectively as required, the reinforcing steel bars 200 are inserted along the embedded insertion plates 400, the concrete layer 103 and the first reinforcing steel bar through holes 402 on the steel plate mechanism 101, and after the reinforcing steel bars 200 are inserted into the first reinforcing steel bar through holes 402, concrete is poured into the high side from the low side of the first reinforcing steel bar through holes 402 to flow out so as to fill gaps among the first reinforcing steel bar through holes 402;
s2: placing a first laminated slab bottom plate 501 on a boss at the upper end of the prefabricated shear wall 100, after the first laminated slab bottom plate 501 is assembled on a boss at the top of a concrete layer 103 of the prefabricated shear wall 100, penetrating embedded bolts 600 on the concrete layers 103 at two sides of an embedded inserting plate 400 through corresponding fixing through holes 502 and connecting and fixing the embedded bolts through corresponding screw caps and threads;
s3: a concrete layer is cast on the first laminated slab bottom plate 501 to a suitable thickness.
Example 2:
as shown in fig. 5 to 11, the fabricated double-layer corrugated steel plate composite shear wall includes two vertical steel pipes 300 and a prefabricated shear wall 100 assembled in the two vertical steel pipes 300, where the prefabricated shear wall 100 includes a steel plate mechanism 101 and two sets of reinforcing steel bar nets 102. Two sets of reinforcing mesh 102 are respectively fixedly installed on two opposite side walls of the steel plate mechanism 101. The reinforcing mesh 102 is externally poured with a concrete layer 103.
The two sides of the upper end of the steel plate mechanism 101 are respectively welded and fixed with embedded inserting plates 400, the two sides of the lower end of the steel plate mechanism 101 are respectively provided with inserting grooves 401 matched with the embedded inserting plates 400, the concrete layers 103 at the two sides of the inserting grooves 401 and the lower end of the steel plate mechanism 101 are provided with first steel bar through holes 402 matched with each other, the effect of fixing the upper and lower layers of prefabricated shear wall 100 spliced with each other can be achieved by inserting proper steel bars 200 into the embedded inserting holes 400, the concrete layers 103 and the first steel bar through holes 402, the first steel bar through holes 402 are in an inclined shape with the height from left to right or the height from right to left, thus after the first laminated plate bottom plate 501 is assembled on the prefabricated shear wall 100, the steel bars obliquely inserted into the first steel bar through holes 402 play a role of fixedly connecting the adjacent prefabricated shear walls 100, when gaps on the peripheral sides of the steel bars 200 in the first steel bar through holes 402 are poured with concrete, the first steel bar through holes 402 overflow from the high sides to fill the holes 402 closely, the height of the first steel bar through hole 402 is higher than that of the first laminated slab bottom plate 501, and concrete is poured on the first laminated slab bottom plate 501.
The end surface of the embedded insertion plate 400 is in a zigzag shape or a wave shape matched with the corrugated steel plate mechanism 101, so that the embedded insertion plate 400 and the steel plate mechanism 101 can be welded and fixed conveniently.
The deck 101 includes two sets of deck bodies 1011 and several sets of vacuum balls 1015. For example, as shown in fig. 8, a heat insulating layer 1012 is disposed between the two groups of corrugated steel plate bodies 1011, a silicon plate 1013 is disposed around the heat insulating layer 1012, and two ends of the silicon plate 1013 are respectively mounted on the two groups of corrugated steel plate bodies 1011. The insulation layer 1012 is provided with a plurality of groups of shock absorption parts 1014. The vacuum balls 1015 are located in the insulating layer 1012, and two sides of the vacuum balls 1015 are respectively attached to the inner wall of the insulating layer 1012 and the outer wall of the corresponding shock absorption part 1014.
The shock absorbing part 1014 includes a first connection plate 10141 and a second connection plate 10143. Illustratively, as shown in fig. 9 and 10, the first connecting plates 10141 are hinged at one end to an adjacent set of the first connecting plates 10141, and are mounted at the other end with a telescopic plate 10142. Be provided with spring 10144 in the expansion plate 10142, second connecting plate 10143 one end is installed on spring 10144, and the other end runs through to the expansion plate 10142 outside, and articulates with a set of adjacent second connecting plate 10143. The two adjacent groups of second connecting plates 10143 are arranged in an equilateral way. Specifically, the uppermost group and the lowermost group of second connecting plates 10143 are hinged to the same inner wall of the insulating layer 1012.
When the corrugated steel plate body 1011 on any side is impacted by external force, the group of corrugated steel plate bodies 1011 and the plurality of groups of shock absorption parts 1014 are pushed to move towards the direction of the other group of corrugated steel plate bodies 1011. When the telescopic plates 10142 of the plurality of sets of shock absorbing parts 1014 collide against the other set of corrugated steel plate bodies 1011, the second connecting plate 10143 continues to move horizontally due to inertia. However, since the two adjacent sets of second connecting plates 10143 have an included angle therebetween and are symmetrically disposed with the hinge point as the center, the horizontal thrust is equally divided into two sets of oblique thrust, and acts on the two sets of second connecting plates 10143 that are symmetrically disposed. By utilizing the principle, the impact of external force is basically counteracted, and then the rest impact force is counteracted through the spring 10144, so that the shock resistance and the impact resistance of the prefabricated shear wall 100 are improved.
In embodiment 2, the laminated slab base plate assembled on the precast shear wall 100 is the first laminated slab base plate 501, a plurality of sets of fixing through holes 502 are symmetrically formed in edges of two sides of the top of the first laminated slab base plate 501, and the plurality of sets of fixing through holes 502 on the same side are distributed at equal intervals. The first laminated slab bottom plate 501 is movably attached to a boss at the top of the concrete layer 103, a plurality of groups of embedded bolts 600 are uniformly embedded in the concrete layer 103 on two sides of the embedded insertion plate 400, and after the first laminated slab bottom plate 501 is assembled on the boss at the top of the concrete layer 103 of the prefabricated shear wall 100, the embedded bolts 600 penetrate through the corresponding fixing through holes 502 and are fixedly connected through corresponding screw caps and threads.
On the basis of the assembled double-layer corrugated steel plate composite shear wall, the embodiment of the invention also provides a splicing method of the assembled double-layer corrugated steel plate composite shear wall, which comprises the following steps:
s1: the embedded insertion plates 400 on the prefabricated shear walls 100 are correspondingly inserted into the insertion grooves 401 on the adjacent prefabricated shear walls 100 respectively as required, the reinforcing steel bars 200 are inserted along the embedded insertion plates 400, the concrete layer 103 and the first reinforcing steel bar through holes 402 on the steel plate mechanism 101, and after the reinforcing steel bars 200 are inserted into the first reinforcing steel bar through holes 402, concrete is poured into the high side from the low side of the first reinforcing steel bar through holes 402 to flow out so as to fill gaps among the first reinforcing steel bar through holes 402;
s2: placing a first laminated slab bottom plate 501 on a boss at the upper end of the prefabricated shear wall 100, after the first laminated slab bottom plate 501 is assembled on a boss at the top of a concrete layer 103 of the prefabricated shear wall 100, penetrating embedded bolts 600 on the concrete layers 103 at two sides of an embedded inserting plate 400 through corresponding fixing through holes 502 and connecting and fixing the embedded bolts through corresponding screw caps and threads;
s3: a concrete layer is cast on the first laminated slab bottom plate 501 to a suitable thickness.
Example 3:
as shown in fig. 12 to 14, the fabricated double-layer corrugated steel plate composite shear wall includes two vertical steel tubes 300 and a prefabricated shear wall 100 assembled in the two vertical steel tubes 300, where the prefabricated shear wall 100 includes a steel plate mechanism 101 and two sets of reinforcing steel meshes 102. Two sets of reinforcing mesh 102 are respectively fixedly installed on two opposite side walls of the steel plate mechanism 101. The reinforcing mesh 102 is externally poured with a concrete layer 103.
The two sides of the upper end of the steel plate mechanism 101 are respectively welded and fixed with embedded inserting plates 400, the two sides of the lower end of the steel plate mechanism 101 are respectively provided with inserting grooves 401 matched with the embedded inserting plates 400, the concrete layers 103 at the two sides of the inserting grooves 401 and the lower end of the steel plate mechanism 101 are provided with first steel bar through holes 402 matched with each other, the effect of fixing the upper and lower layers of prefabricated shear wall 100 spliced with each other can be achieved by inserting proper steel bars 200 into the embedded inserting grooves 400, the concrete layers 103 and the first steel bar through holes 402, the first steel bar through holes 402 are in an inclined shape with the height from left to right or the height from right to left, thus after the second laminated plate bottom plate 510 is assembled on the prefabricated shear wall 100, the steel bars obliquely inserted into the first steel bar through holes 402 play a role of fixedly connecting the adjacent prefabricated shear walls 100, when gaps on the peripheral sides of the steel bars 200 in the first steel bar through holes 402 are poured with concrete, the first steel bar through holes 402 are filled densely, the first steel bar through holes 402 are higher than the second laminated slab base plate 510, and concrete is poured on the second laminated slab base plate 510.
The end face of the embedded insertion plate 400 is zigzag or wavy, so that the embedded insertion plate 400 and the steel plate mechanism 101 can be welded and fixed conveniently.
The deck 101 includes two sets of deck bodies 1011 and several sets of vacuum balls 1015. For example, as shown in fig. 8, a heat insulating layer 1012 is disposed between the two groups of corrugated steel plate bodies 1011, a silicon plate 1013 is disposed around the heat insulating layer 1012, and two ends of the silicon plate 1013 are respectively mounted on the two groups of corrugated steel plate bodies 1011. The insulation layer 1012 is provided with a plurality of groups of shock absorption parts 1014. The vacuum balls 1015 are located in the insulating layer 1012, and two sides of the vacuum balls 1015 are respectively attached to the inner wall of the insulating layer 1012 and the outer wall of the corresponding shock absorption part 1014.
The shock absorbing part 1014 includes a first connection plate 10141 and a second connection plate 10143. Illustratively, as shown in fig. 9 and 10, the first connecting plates 10141 are hinged at one end to an adjacent set of the first connecting plates 10141, and are mounted at the other end with a telescopic plate 10142. Be provided with spring 10144 in the expansion plate 10142, second connecting plate 10143 one end is installed on spring 10144, and the other end runs through to the expansion plate 10142 outside, and articulates with a set of adjacent second connecting plate 10143. The two adjacent groups of second connecting plates 10143 are arranged in an equilateral way. Specifically, the uppermost group and the lowermost group of second connecting plates 10143 are hinged to the same inner wall of the insulating layer 1012.
When the corrugated steel plate body 1011 on any side is impacted by external force, the group of corrugated steel plate bodies 1011 and the plurality of groups of shock absorption parts 1014 are pushed to move towards the direction of the other group of corrugated steel plate bodies 1011. When the telescopic plates 10142 of the plurality of sets of shock absorbing parts 1014 collide against the other set of corrugated steel plate bodies 1011, the second connecting plate 10143 continues to move horizontally due to inertia. However, since the two adjacent sets of second connecting plates 10143 have an included angle therebetween and are symmetrically disposed with the hinge point as the center, the horizontal thrust is equally divided into two sets of oblique thrust, and acts on the two sets of second connecting plates 10143 that are symmetrically disposed. By utilizing the principle, the impact of external force is basically counteracted, and then the rest impact force is counteracted through the spring 10144, so that the shock resistance and the impact resistance of the prefabricated shear wall 100 are improved.
A plurality of groups of circular ring fixing grooves 403 are formed in the lower side of the first steel bar through hole 402 of the embedded insertion plate 400 at equal intervals, and the plurality of groups of circular ring fixing grooves 403 on the two side walls of the embedded insertion plate 400 are arranged in a cross manner.
The bottom slab of the laminated slab assembled on the prefabricated shear wall 100 in embodiment 3 is a second laminated slab bottom slab 510, and illustratively, as shown in fig. 13 and 14, the second laminated slab bottom slab 510 is penetrated through a plurality of reinforcing bars at equal intervals, and fixing rings 520 are welded and fixed to the ends of the reinforcing bars. The plurality of sets of fixing rings 520 on the two sidewalls of the second laminated plate bottom plate 510 are disposed to cross each other. The plurality of sets of fixing rings 520 on the same side can penetrate into the ring fixing grooves 403 on the same side. The central axes of the plurality of groups of fixing rings 520 on the same side are mutually crossed with the central axes of the plurality of groups of fixing rings 520 on the opposite side wall of the adjacent group of second laminated slab bottom plates 510, and the central axes are mutually overlapped. After the second laminated slab bottom plate 510 is placed on a boss at the top of the concrete layer 103 on the precast shear wall 100, the fixing rings 520 penetrate into the corresponding ring fixing grooves 403 and then are overlapped with each other, the second steel bar through holes 404 are formed in the top of the vertical square steel tube 300, and the precast shear wall 100 and the second laminated slab bottom plate 510 are fixed by inserting appropriate steel bars into the second steel bar through holes 404 in the top of the vertical square steel tube 300. When the adjacent prefabricated shear walls 100 are spliced with each other, the corrugated steel plate mechanism 101 in the middle of the splicing groove 401 does not shield the circular ring fixing groove 403, so that the prefabricated shear walls 100 and the second laminated slab bottom plate 510 can be fixed by inserting appropriate steel bars into the second steel bar through holes 404 corresponding to the vertical steel pipes 300.
On the basis of the assembled double-layer corrugated steel plate composite shear wall, the embodiment of the invention also provides a splicing method of the assembled double-layer corrugated steel plate composite shear wall, which comprises the following steps:
s1: the embedded insertion plates 400 on the prefabricated shear walls 100 are correspondingly inserted into the insertion grooves 401 on the adjacent prefabricated shear walls 100 respectively as required, the reinforcing steel bars 200 are inserted along the embedded insertion plates 400, the concrete layer 103 and the first reinforcing steel bar through holes 402 on the steel plate mechanism 101, and after the reinforcing steel bars 200 are inserted into the first reinforcing steel bar through holes 402, concrete is poured into the high side from the low side of the first reinforcing steel bar through holes 402 to flow out so as to fill gaps among the first reinforcing steel bar through holes 402;
s2: placing a second laminated slab bottom plate 510 on a boss at the upper end of the prefabricated shear wall 100, assembling the second laminated slab bottom plate 510 on a boss at the top of the concrete layer 103 of the prefabricated shear wall 100, enabling fixing circular rings 520 on the second laminated slab bottom plate 510 to penetrate into corresponding circular ring fixing grooves 403 to be mutually overlapped, and inserting appropriate steel bars into the fixing circular rings 520 in the vertical square steel pipes 300 to fix the prefabricated shear wall 100 and the second laminated slab bottom plate 510;
s3: a concrete layer is cast on the second laminated slab base plate 510 to a suitable thickness.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a compound shear wall of assembled double-deck corrugated steel board which characterized in that: the shear wall comprises two vertical steel pipes (300) and a prefabricated shear wall (100) assembled in the two vertical steel pipes (300), the prefabricated shear wall (100) comprises a steel plate mechanism (101) and two groups of reinforcing steel meshes (102), the two groups of reinforcing steel meshes (102) are respectively and fixedly installed on two opposite side walls of the steel plate mechanism (101), and a concrete layer (103) is poured outside the reinforcing steel meshes (102);
the embedded inserting plates (400) are fixedly mounted on two sides of the upper end of the steel plate mechanism (101) respectively, inserting grooves (401) matched with the embedded inserting plates (400) are formed in two sides of the lower end of the steel plate mechanism (101) respectively, matched first steel bar through holes (402) are formed in the embedded inserting plates (400), concrete layers (103) on two sides of the inserting grooves (401) and the lower end of the steel plate mechanism (101), and steel bars (200) are inserted into the first steel bar through holes (402); a laminated slab bottom plate (501) is assembled on the prefabricated shear wall (100).
2. The fabricated double-deck corrugated steel sheet composite shear wall of claim 1, wherein: the first steel bar through hole (402) is in an inclined shape with the left high and the right low or the right high and the left low, and the steel bar (200) is obliquely inserted into the first steel bar through hole (402) of the steel plate mechanism (101).
3. The fabricated double-deck corrugated steel sheet composite shear wall of claim 2, wherein: the steel plate mechanism (101) is a corrugated steel plate, the surface of which is uniformly provided with a plurality of groups of round holes and arranged in the vertical steel pipe (300).
4. The fabricated double-deck corrugated steel sheet composite shear wall of claim 2, wherein: the corrugated steel plate mechanism (101) comprises two groups of corrugated steel plate bodies (1011) and a plurality of groups of vacuum balls (1015); a heat-insulating layer (1012) is arranged between the two groups of corrugated steel plate bodies (1011), silica gel plates (1013) are arranged around the heat-insulating layer (1012), and two ends of each silica gel plate (1013) are respectively arranged on the two groups of corrugated steel plate bodies (1011); a plurality of groups of shock absorption parts (1014) are arranged in the heat insulation layer (1012); several groups of vacuum balls (1015) are all positioned in the heat-insulating layer (1012).
5. The fabricated double-deck corrugated steel sheet composite shear wall of claim 4, wherein: shock attenuation portion (1014) include first connecting plate (10141) and second connecting plate (10143), first connecting plate (10141) one end is articulated with a set of adjacent first connecting plate (10141), and expansion plate (10142) are installed to the other end, be provided with spring (10144) in expansion plate (10142), second connecting plate (10143) one end is installed on spring (10144), and the other end runs through to expansion plate (10142) outside, and articulate with an adjacent set of second connecting plate (10143), be equilateral setting between two sets of adjacent second connecting plate (10143).
6. An assembled double-deck corrugated steel sheet composite shear wall as defined in claim 3 or 5, wherein: be equipped with first superimposed sheet bottom plate (501) on prefabricated shear force wall (100), a plurality of groups fixing hole (502) have been seted up to first superimposed sheet bottom plate (501) top both sides edge symmetry, first superimposed sheet bottom plate (501) activity laminating is on concrete layer (103) top boss, evenly pre-buried on concrete layer (103) of pre-buried picture peg (400) both sides have a plurality of groups buried bolt (600), first superimposed sheet bottom plate (501) assembly back on concrete layer (103) top boss of prefabricated shear force wall (100), corresponding fixing hole (502) are worn out and nut threaded connection through corresponding to buried bolt (600) is fixed in advance.
7. The fabricated double-deck corrugated steel sheet composite shear wall of claim 5, wherein: a second laminated slab bottom plate (510) is assembled on the prefabricated shear wall (100), a plurality of steel bars penetrate through the second laminated slab bottom plate (510) at equal intervals, and fixing circular rings (520) are welded and fixed at the ends of the steel bars; a plurality of groups of fixed rings (520) on the two side walls of the second laminated slab bottom plate (510) are arranged in a mutually crossed manner; the plurality of groups of fixing rings (520) on the same side respectively penetrate through the ring fixing grooves (403) on the same side.
8. A splicing method of the fabricated double-layer corrugated steel plate composite shear wall according to claim 6, wherein the splicing method comprises the following steps: the method comprises the following steps:
s1: inserting embedded insertion plates (400) on the prefabricated shear walls (100) into insertion grooves (401) on adjacent prefabricated shear walls (100) correspondingly according to requirements, inserting reinforcing steel bars (200) into first reinforcing steel bar through holes (402) on the embedded insertion plates (400), the concrete layer (103) and the steel plate mechanism (101), and pouring concrete into a high side from the lower side of the first reinforcing steel bar through holes (402) to flow out from the high side after the reinforcing steel bars (200) are inserted into the first reinforcing steel bar through holes (402) so as to fill gaps among the first reinforcing steel bar through holes (402);
s2: placing a first laminated slab bottom plate (501) on a boss at the upper end of the prefabricated shear wall (100), after the first laminated slab bottom plate (501) is assembled on a boss at the top of a concrete layer (103) of the prefabricated shear wall (100), pre-buried bolts (600) on the concrete layer (103) at two sides of a pre-buried inserting plate (400) penetrate through corresponding fixing through holes (502) and are connected and fixed through corresponding screw caps and threads;
s3: and pouring a concrete layer on the first laminated slab bottom plate (501) to a proper thickness.
9. A splicing method of the fabricated double-layer corrugated steel plate composite shear wall according to claim 7, wherein the splicing method comprises the following steps: the method comprises the following steps:
s1: inserting embedded insertion plates (400) on the prefabricated shear walls (100) into insertion grooves (401) on adjacent prefabricated shear walls (100) correspondingly according to requirements, inserting reinforcing steel bars (200) into first reinforcing steel bar through holes (402) on the embedded insertion plates (400), the concrete layer (103) and the steel plate mechanism (101), and pouring concrete into a high side from the lower side of the first reinforcing steel bar through holes (402) to flow out from the high side after the reinforcing steel bars (200) are inserted into the first reinforcing steel bar through holes (402) so as to fill gaps among the first reinforcing steel bar through holes (402);
s2: placing a second laminated slab bottom plate (510) on a boss at the upper end of the prefabricated shear wall (100), assembling the second laminated slab bottom plate (510) on the boss at the top of a concrete layer (103) of the prefabricated shear wall (100), enabling fixing circular rings (520) on the second laminated slab bottom plate (510) to penetrate into corresponding circular ring fixing grooves (403) to be mutually overlapped, and inserting appropriate steel bars into the fixing circular rings (520) to fix the prefabricated shear wall (100) and the second laminated slab bottom plate (510);
s3: and pouring a concrete layer on the second laminated slab bottom plate (510) to a proper thickness.
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| CN116446561A (en) * | 2023-06-13 | 2023-07-18 | 中交第四航务工程勘察设计院有限公司 | Double-spliced superimposed shear wall and construction method thereof |
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