CN115653154A - Assembled steel sheet concrete basis - Google Patents
Assembled steel sheet concrete basis Download PDFInfo
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- CN115653154A CN115653154A CN202211688716.6A CN202211688716A CN115653154A CN 115653154 A CN115653154 A CN 115653154A CN 202211688716 A CN202211688716 A CN 202211688716A CN 115653154 A CN115653154 A CN 115653154A
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Abstract
The invention relates to the technical field of assembly type buildings, in particular to an assembly type steel plate concrete foundation which comprises a plurality of prefabricated steel plate concrete shear wall units, wherein the prefabricated steel plate concrete shear wall units are connected end to form the foundation; the prefabricated steel plate concrete shear wall units comprise prefabricated filled reinforced concrete portions and post-cast cavity portions, the two sides of each prefabricated filled reinforced concrete portion are connected with the post-cast cavity portions, and the two adjacent prefabricated steel plate concrete shear wall units are connected through the post-cast cavity portions. According to the assembly type steel plate concrete foundation, the prefabricated filled reinforced concrete part is directly prefabricated in a factory, so that the workload of concrete casting in situ is greatly reduced; and the two connected post-cast cavity parts directly form a die of a post-cast concrete connecting key, and the concrete is directly poured after the on-site assembly is finished, so that the preparation steps of on-site concrete pouring are reduced, and the aim of improving the foundation construction progress is fulfilled.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to an assembly type steel plate concrete foundation.
Background
At present, a cast reinforced concrete foundation is used as the most main foundation form, the whole construction process comprises a plurality of construction procedures such as formwork erecting, reinforcement binding, concrete pouring, concrete curing and the like on a construction site, and subsequent construction can be carried out after the foundation concrete curing is required to reach the designed strength. The cast-in-place foundation has complex processes in the field construction process and needs a certain construction time, so the construction progress and the engineering quality are easily influenced due to specific seasons and severe weather, and the foundation construction progress is slow.
In view of the foregoing, there is a need for an assembled steel sheet concrete foundation.
Disclosure of Invention
The invention aims to provide an assembly type steel plate concrete foundation to solve the technical problem that the foundation construction progress is slow in the prior art.
In order to solve the technical problems, the invention provides an assembled steel plate concrete foundation which comprises a plurality of prefabricated steel plate concrete shear wall units, wherein the prefabricated steel plate concrete shear wall units are connected end to end in the horizontal direction;
the prefabricated steel plate concrete shear wall unit comprises a prefabricated filled reinforced concrete part and a post-cast cavity part, the two sides of the prefabricated filled reinforced concrete part are connected with the post-cast cavity part, and the two adjacent prefabricated steel plate concrete shear wall units in the left and right directions in the horizontal direction are connected through the post-cast cavity part.
According to the improved technical scheme, the foundation is set into the prefabricated steel plate concrete shear wall units, the post-cast cavity part is used for connecting the two adjacent prefabricated steel plate concrete shear wall units, and the prefabricated filled reinforced concrete part is directly prefabricated in a factory, so that the workload of concrete pouring in situ is greatly reduced; and the two connected post-cast cavity parts directly form a die of the post-cast concrete connecting key, and concrete can be directly poured after the on-site assembly is finished, so that the preparation steps of on-site concrete pouring are reduced, and the aim of improving the foundation construction progress is fulfilled.
Furthermore, the side wall of the post-pouring cavity part is provided with a connecting hole, and after the post-pouring concrete is poured, the connecting hole is used for forming a connecting key to connect two adjacent prefabricated steel plate concrete shear wall units.
Preferably, the connecting hole is circular.
Furthermore, a connecting rod is arranged in the connecting hole, two ends of the connecting rod are respectively connected with the two post-pouring cavity parts, and after concrete is poured in the post-pouring cavity parts, a connecting key jointly formed by the connecting rod and the concrete is formed.
Furthermore, the connecting rod is made of shape memory alloy and is used for providing an automatic resetting function for the foundation.
Furthermore, a partition plate is arranged in the post-pouring cavity part, the post-pouring cavity part is divided into two areas by the partition plate, and the connecting rod is fixedly connected with the partition plate.
Preferably, the two ends of the connecting rod are fixedly connected with the partition plate through bolts.
Through the improved technical scheme, the connecting holes are formed in the post-cast cavity part, the connecting rods are arranged in the connecting holes, and the connecting keys formed by the connecting rods and the concrete at the connecting holes are formed after the concrete is post-cast, so that the requirements on the shearing resistance and the tensile resistance of the connecting area are met.
Furthermore, the adjacent post-pouring cavity parts are fixed through connecting bolts.
Furthermore, four connecting bolts are arranged at each connecting hole.
Preferably, the connecting bolt is a high-strength pre-tightening connecting bolt.
According to the improved technical scheme, the post-cast cavity parts of two adjacent prefabricated steel plate concrete shear wall units are quickly assembled into a whole through the high-strength bolts, and the two connected post-cast cavity parts directly form a die of a post-cast concrete connecting key; and the effect of resisting out-of-plane bending moment generated by soil mass outside the connection area is achieved.
Furthermore, a sealing gasket is arranged between the adjacent post-cast cavity parts and used for sealing the connecting area of the two prefabricated steel plate concrete shear wall units.
Furthermore, a through hole corresponding to the connecting hole is formed in the sealing gasket.
Furthermore, the both sides of sealed pad all fixedly connected with extension portion, extension portion extends along the lateral wall of post-cast cavity portion.
Through above-mentioned modified technical scheme, through setting up sealed the pretightning force that combines connecting bolt to exert simultaneously, can guarantee that two prefabricated steel sheet concrete shear force wall unit connection areas have good waterproof leakproofness.
More preferably, on the basis of the above technical scheme, the assembled steel plate concrete foundation comprises a plurality of layers of the prefabricated steel plate concrete shear wall units in the height direction;
the two prefabricated steel plate concrete shear wall units which are adjacent up and down are connected through the connecting assembly and the high-strength bolt;
the connecting assembly comprises T-shaped steel and a connecting wing plate;
the T-shaped steel comprises end plates and a web plate;
the end plates are embedded on connecting end surfaces (namely top surfaces or bottom surfaces) above or below the prefabricated steel plate concrete shear wall units, the web plates are embedded in the prefabricated steel plate concrete shear wall units, and one ends (close to the connecting end surfaces) of the web plates are vertically and fixedly connected with the back surfaces of the end plates;
the connecting wing plate is vertically connected to the outer side face of the end plate;
the connecting wing plate is provided with a connecting hole;
the two prefabricated steel plate concrete shear wall units which are adjacent up and down comprise an upper layer of shear wall unit arranged above and a lower layer of shear wall unit arranged below;
the bottom of the upper layer shear wall unit is provided with an upper connecting assembly;
the top of the lower shear wall unit is provided with a lower connecting assembly;
the upper connecting assembly and the lower connecting assembly are opposite up and down, an upper connecting wing plate of the upper connecting assembly and a lower connecting wing plate of the lower connecting assembly are stacked together, and the high-strength bolt penetrates through the upper connecting wing plate and the lower connecting wing plate and then is fixedly connected with the upper connecting wing plate and the lower connecting wing plate.
This application is connected through the overhanging steel built-up connection spare of precast concrete shear force wall from top to bottom, has improved assembly efficiency, has reduced the installation degree of difficulty through the slip angle steel, has simple structure, dependable performance, the convenient advantage of construction, has good economic benefits and social.
More preferably, the connection assembly is provided on a bottom surface or a top surface of the precast reinforced concrete part.
By adopting the technical scheme, the invention has the following beneficial effects:
according to the assembly type steel plate concrete foundation provided by the invention, the foundation is set into the prefabricated steel plate concrete shear wall units, the post-cast cavity part is used for connecting the two adjacent prefabricated steel plate concrete shear wall units, and the prefabricated filled reinforced concrete part is directly prefabricated in a factory, so that the workload of concrete casting in situ is greatly reduced; and the two connected post-cast cavity parts directly form a die of a post-cast concrete connecting key, and concrete can be directly poured after the on-site assembly is finished, so that the preparation steps of on-site concrete pouring are reduced, and the aim of improving the foundation construction progress is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an assembled steel plate concrete foundation provided in example 1 of the present invention;
FIG. 2 is a schematic view of the structure of the connecting rod in embodiment 1;
FIG. 3 is a schematic view showing a structure of a connection hole in embodiment 1;
FIG. 4 is an enlarged view of a portion A of FIG. 2;
fig. 5 is a perspective view of a horizontal connection structure of a shear wall provided in embodiment 2 of the present invention;
FIG. 6 is an exploded view of the upper and lower connection assemblies shown in FIG. 5;
FIG. 7 is a schematic view of the connection of the upper and lower connection assemblies and the shear wall unit shown in FIG. 5;
FIG. 8 is an enlarged fragmentary view of the intermediate connection portion of the upper and lower connection assemblies of FIG. 6;
fig. 9 is a schematic structural diagram of a horizontal connection structure of a shear wall provided in embodiments 2 and 3 of the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9 at C;
FIG. 11 is a cross-sectional view BB of FIG. 10;
fig. 12 is a schematic view of a connection structure between an upper connection assembly and a lower connection assembly according to embodiment 4 of the present invention;
FIG. 13 is a schematic structural diagram of a shear wall unit according to embodiment 4 of the present invention;
fig. 14 is a schematic structural view of a connector composed of a connection wing plate, a plugboard and a baffle in embodiment 4.
Reference numerals:
1-prefabricating a filled reinforced concrete part; 2-post-pouring the cavity part; 3-connecting holes; 4-a connecting rod; 5-a separator; 6-connecting bolts; 7-a sealing gasket; 71-an extension; 100-prefabricated steel plate concrete shear wall unit, 101-upper layer shear wall unit, 102-lower layer shear wall unit, 110-high-strength bolt and 120-positioning support block; 130-a support plate; 131-a positioning groove; 200-connecting component, 201-upper connecting component, 202-lower connecting component, 210-T-shaped steel, 211-end plate, 211 a-lower end plate, 212-web plate, 220-connecting wing plate, 221-upper connecting wing plate, 222-lower connecting wing plate, 230-anchoring reinforcing steel bar, 240-anchoring stud, 250-L-shaped limiting plate, 251-connecting groove, 251 a-upper connecting groove; 251 b-lower connecting groove; 260-guard plate; 270-lower connecting angle steel; 271-a base plate; 272-slot; 280-a plugboard; 281-upper plugboard; 282-lower pinboard; 290-baffle.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
Example 1
As shown in fig. 1 to 4, the fabricated steel plate concrete foundation provided by the embodiment includes a plurality of prefabricated steel plate concrete shear wall units 100, and the plurality of prefabricated steel plate concrete shear wall units 100 are connected end to form a foundation; each prefabricated steel plate concrete shear wall unit 100 comprises a prefabricated filled reinforced concrete part 1 and a post-cast cavity part 2, the two sides of the prefabricated filled reinforced concrete part 1 are connected with the post-cast cavity part 2, and every two adjacent prefabricated steel plate concrete shear wall units 100 are connected through the post-cast cavity part 2.
The side wall of the post-cast cavity part 2, which is far away from the prefabricated filled reinforced concrete part 1, is provided with a connecting hole 3, in the embodiment, the connecting hole 3 is circular, and after post-cast concrete, the connecting hole is used for forming a connecting key to connect two adjacent prefabricated steel plate concrete shear wall units 100; a connecting rod 4 is arranged in the connecting hole 3, two ends of the connecting rod 4 are respectively connected with the two post-pouring cavity parts 2, and after concrete is post-poured, a connecting key formed by the connecting rod 4 and the concrete is formed; in the embodiment, the connecting rod 4 is made of shape memory alloy and is used for providing an automatic resetting function for a foundation; a partition plate 5 is arranged in the post-pouring cavity part 2, the post-pouring cavity part 2 is divided into two areas by the partition plate 5, the connecting rod 4 is fixedly connected with the partition plate 5, and in the embodiment, two ends of the connecting rod 4 are fixedly connected with the partition plate 5 through bolts.
Two adjacent post-cast cavity parts 2 are fixed through connecting bolts 6, four connecting bolts 6 are arranged at the connecting holes 3, and each connecting bolt 6 is a high-strength pre-tightening connecting bolt 6.
A sealing gasket 7 is arranged between the adjacent post-cast cavity parts 2, the sealing gasket 7 is used for sealing the connection area of the two prefabricated steel plate concrete shear wall units 100, and in the embodiment, the sealing gasket 7 is a waterproof rubber gasket; the sealing gasket 7 is provided with a through hole which is matched with the connecting hole 3; both sides of the sealing gasket 7 are fixedly connected with extension parts 71, the extension parts 71 extend along the side walls of the post-cast cavity part 2, and the extension parts 71 are used for further sealing the connection areas of the two prefabricated steel plate concrete shear wall units 100.
The implementation principle of the assembly type steel plate concrete foundation provided by the embodiment of the invention is as follows: when a foundation is assembled on a construction site, firstly, the prefabricated steel plate concrete shear wall units 100 are moved, then the sealing gaskets 7 are laid at the rear casting cavity parts 2 of the prefabricated steel plate concrete shear wall units 100, through holes in the sealing gaskets 7 are aligned with the connecting holes 3, the connecting rods 4 are inserted into the connecting holes 3, then, the other prefabricated steel plate concrete shear wall unit 100 is moved to be close to the other side of the sealing gaskets 7, the sealing gaskets 7 are clamped by the two prefabricated steel plate concrete shear wall units 100, then, the two adjacent rear casting cavity parts 2 are connected together by the connecting bolts 6, then, two ends of each connecting rod 4 are respectively connected and fixed with the partition plates 5 in the two rear casting cavity parts 2, the steps are repeated, the prefabricated steel plate concrete shear wall units 100 are sequentially connected end to form the foundation, finally, concrete is poured into each rear casting cavity part 2 and is compacted, and after the concrete is solidified, a connecting key jointly formed by the connecting rods 4 and the concrete is formed at the connecting holes 3, so that the progress of the two prefabricated steel plate concrete shear wall units 100 is improved.
Example 2
As shown in fig. 5 to 9, the fabricated steel plate concrete foundation provided by the present embodiment includes a plurality of layers of prefabricated steel plate concrete shear wall units 100 in the height direction; two prefabricated steel plate concrete shear wall units 100 which are adjacent up and down are connected through a connecting assembly 200 and a high-strength bolt 110.
The connection assembly 200 includes a T-shaped steel 210 and a connection wing plate 220; the T-shaped steel 210 includes end plates 211 and webs 212; the end plates 211 are embedded on the connecting end surfaces of the prefabricated steel plate concrete shear wall units 100, the web plates 212 are embedded in the prefabricated steel plate concrete shear wall units 100, and one ends (the ends close to the connecting end surfaces) of the web plates 212 are vertically and fixedly connected with the back surfaces of the end plates 211; the connecting wing plate 220 is vertically connected to the outer side surface of the end plate 211; the connection wing plate 220 is provided with a connection hole; the two adjacent prefabricated steel plate concrete shear wall units 100 comprise an upper layer of shear wall unit 101 arranged above and a lower layer of shear wall unit 102 arranged below; an upper connecting assembly 201 is arranged at the bottom of the upper layer shear wall unit 101; the top of the lower shear wall unit 102 is provided with a lower connection assembly 202.
The upper connecting component 201 and the lower connecting component 202 are opposite up and down, an upper connecting wing plate 221 of the upper connecting component 201 and a lower connecting wing plate 222 of the lower connecting component 202 are overlapped together, and the high-strength bolt 110 penetrates through connecting holes in the upper connecting wing plate 221 and the lower connecting wing plate 222 and then fixedly connects the upper connecting wing plate 221 and the lower connecting wing plate 222.
The lower connecting assembly 202 further comprises two L-shaped limiting plates 250, the two L-shaped limiting plates 250 are mutually and symmetrically fixedly connected to the outer side surface of the lower end plate 211a, and the two L-shaped limiting plates 250 and the lower end plate 211a enclose a connecting groove 251 with a T-shaped cross section for detachably connecting the lower connecting wing plates 222; a bar-shaped opening for the lower connection wing 222 to protrude is provided above the connection groove 251.
The embodiment also comprises a lower connecting angle steel 270; the lower connecting angle 270 includes a bottom plate 271 and a lower connecting wing plate 222 arranged perpendicular to each other; the two lower connecting angles 270 are arranged back to back, and after the bottom plates 271 of the two lower connecting angles 270 are inserted into the connecting grooves 251, the insertion grooves 272 for inserting and connecting the upper connecting wing plates 221 are reserved between the two lower connecting wing plates 222.
At this time, the width of the bar-shaped opening is slightly greater than the sum of the thicknesses of the two lower and upper connection wings 222 and 221. The upper connection wing 221 is inserted into the insertion groove 272 from the top down and into the connection groove 251 through the bar-shaped opening, and the connection strength can be greatly increased.
The length of the upper connection wing panel 221 is greater than that of the lower connection wing panel 222, and after the two are stacked together, both ends of the upper connection wing panel 221 protrude out of the lower connection wing panel 222. The upper connection assembly 201 also includes two shields 260; two guard plates 260 are vertically fixed on the outer side surface of the upper end plate 211 of the upper connecting component 201; the two guard plates 260 are arranged in parallel at both sides of the upper connection wing 221; the two ends of the upper connection wing plate 221 are respectively fixedly connected with the two guard plates 260, and the whole body is in an H shape. When the upper-layer shear wall unit 101 and the lower-layer shear wall unit 102 are connected, two L-shaped limiting plates 250 are inserted between the two guard plates 260; two shields 260 cover both ends of the coupling groove 251.
The guard plates 260 abut against the end faces of the L-shaped limiting plates 250, and a limiting structure in the groove length direction is formed between the two guard plates 260 and the L-shaped limiting plates 250, so that relative movement between the upper-layer shear wall unit 101 and the lower-layer shear wall unit 102 in the length direction of the connecting groove 251 is avoided.
The present embodiment further includes an anchoring bar 230, and one end of the anchoring bar 230 is fixedly connected to the back surface of the end plate 211 or the web 212, and the other end extends toward the interior of the prefabricated steel plate concrete shear wall unit 100. Preferably, one or several anchoring bars 230 are respectively laid on both sides of the web 212. And, in the prefabricated steel plate concrete shear wall unit 100, a plurality of anchoring studs 240 are fixedly arranged on one side or both sides of the web plate 212.
More preferably, referring to fig. 9, the connection assembly 200 is disposed on the bottom or top surface of the precast reinforced concrete portion 1 of the precast reinforced concrete slab shear wall unit 100. Two prefabricated steel plate concrete shear wall units 100 adjacent to each other on the left and right in each layer are fixedly connected through the post-cast cavity parts 2 on the two sides.
After the upper prefabricated steel plate concrete shear wall unit 100 and the lower prefabricated steel plate concrete shear wall unit 100 are fixedly connected, the middle connecting part is covered by a metal honeycomb baffle plate or sealed by post-cast concrete.
The manufacturing of the steel combined connecting piece, the binding of the steel reinforcement framework, the concrete pouring and the maintenance in the horizontal connecting node of the prefabricated steel plate concrete shear wall unit 100 disclosed in the embodiment are all completed in a factory, and the installation site is only connected through the high-strength bolt 110, so that the prefabricated steel plate concrete shear wall unit has the characteristics of clear stress, reliable performance, flexible design and convenience in construction.
Example 3
This embodiment is substantially the same as embodiment 2 except that:
referring to fig. 9 and 10, the present embodiment further includes a positioning support block 120; the top surface and the bottom surface of the prefabricated steel plate concrete shear wall unit 100 are respectively embedded with a support plate 130; the supporting plate 130 is provided with a positioning slot 131 which can be inserted and matched with the supporting block.
The upper support plate 130 on the bottom surface of the upper layer shear wall unit 101 and the lower support plate 130 on the top surface of the lower layer shear wall unit 102 are correspondingly arranged up and down; the upper and lower ends of the positioning support block 120 are respectively inserted into positioning grooves 131 of the upper support plate 130 and the lower support plate 130, and are used for temporarily supporting the upper shear wall unit 101 during construction and realizing position limitation between the upper shear wall unit 101 and the lower shear wall unit 102.
The positioning grooves 131 are arranged in the thickness direction of the precast concrete shear wall unit 100. At least two support plates 130 are respectively arranged on the top surface and the bottom surface of the prefabricated steel plate concrete shear wall unit 100 at intervals along the length direction of the prefabricated steel plate concrete shear wall unit 100. Preferably, one support plate 130 is disposed at each of both ends of the top and bottom surfaces of the prefabricated steel plate concrete shear wall unit 100.
More preferably, referring to fig. 11, the bottom surfaces of the positioning grooves 131 are arranged obliquely in the thickness direction of the prefabricated steel plate concrete shear wall unit 100; a wedge-shaped clamping opening with a large opening at one end and a small opening at the other end is formed between the upper positioning groove 131 on the upper supporting plate 130 of the upper layer shear wall unit 101 and the lower positioning groove 131 of the lower supporting plate 130 of the lower layer shear wall unit 102; the positioning support block 120 is a wedge-shaped block; when the upper connecting assembly 201 and the lower connecting assembly 202 have installation errors and cannot be in butt joint, the fine adjustment of the distance between the upper shear wall unit 101 and the lower shear wall unit 102 can be realized by adjusting the depth of the positioning support block 120 wedged into the wedge-shaped clamping opening, and then the fine adjustment of the relative installation positions of the upper connecting assembly 201 and the lower connecting assembly 202 is realized until the two can be in butt joint smoothly.
Example 4
This embodiment is substantially the same as embodiment 2 or 3, except that:
referring to fig. 12 and 13, the prefabricated steel plate concrete shear wall unit 100 of the present embodiment is provided with T-shaped steels 210 on the top and bottom surfaces thereof, respectively, end plates 211 of the T-shaped steels 210 are embedded on the top and bottom surfaces of the prefabricated steel plate concrete shear wall unit 100, and web plates 212 of the T-shaped steels 210 are embedded in the prefabricated steel plate concrete shear wall unit 100.
Two L-shaped limiting plates 250 are arranged on the outer side surface of the end plate 211; the two L-shaped limiting plates 250 are mutually and symmetrically fixedly connected to the outer side surface of the end plate 211, and a connecting groove 251 with a T-shaped cross section is surrounded by the two L-shaped limiting plates 250 and the end plate 211; a bar-shaped opening for the connection wing 220 to protrude is provided above the connection groove 251.
The bottom of the connection wing plate 220 is vertically and fixedly provided with a plug-in board 280; the insertion plate 280 and the connection wing plate 220 are integrally formed in a T shape, and after the insertion plate 280 is inserted into the connection groove 251, the connection wing plate 220 extends out of the strip-shaped opening.
When the upper shear wall unit 101 and the lower shear wall unit 102 are connected, the upper insertion plate 281 of the upper connection wing plate 221 is inserted into the upper connection groove 251a on the bottom surface of the upper shear wall unit 101, and the lower insertion plate 282 of the lower connection wing plate 222 is inserted into the lower connection groove 251b on the top surface of the lower shear wall unit 102; the upper connection wing plate 221 and the lower connection wing plate 222 are stacked together, and the upper connection wing plate 221 and the lower connection wing plate 222 are fixedly connected after being penetrated through the upper connection holes by the high-strength bolts 110.
In this embodiment, the prefabricated steel plate concrete shear wall unit 100 is used as a universal standard component, and during assembly, the upper unit and the lower unit do not need to be distinguished, and can be randomly stacked up and down, so that the assembly efficiency is greatly improved, and meanwhile, the production cost is reduced. Wherein, the inserting plate 280 and the connecting wing plate 220 are fixed together by welding to form a universal connecting piece;
in the width direction of the socket plate 280, the connection wing plate 220 is offset to one side of the center line of the socket plate 280, and when the upper and lower connection members are butted, the upper connection wing plate 221 and the lower connection wing plate 222 are respectively arranged on both sides of the center line of the socket plate 280.
More preferably, as shown in FIG. 14, one end (only one end and not both ends) of the connection wing plate 220 and the bayonet plate 280 is provided with a baffle 290; when the upper shear wall unit 101 and the lower shear wall unit 102 are connected, the upper baffle 290 of the upper connection wing plate 221 and the lower baffle 290 of the lower connection wing plate 222 respectively cover both ends of the upper connection groove 251 and the lower connection groove 251 from both sides.
The baffles 290 abut against the end faces of the L-shaped limiting plates 250, a limiting structure in the groove length direction is formed between the two baffles 290 and the L-shaped limiting plates 250, relative movement between the upper-layer shear wall unit 101 and the lower-layer shear wall unit 102 in the length direction of the connecting groove 251 is avoided, and the assembly efficiency is improved while the overall performance of the assembly structure is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An assembled steel plate concrete foundation is characterized by comprising a plurality of prefabricated steel plate concrete shear wall units (100), wherein the prefabricated steel plate concrete shear wall units (100) are connected end to end in the horizontal direction;
the prefabricated steel plate concrete shear wall unit (100) comprises a prefabricated filled reinforced concrete part (1) and a post-cast cavity part (2), wherein the two sides of the prefabricated filled reinforced concrete part (1) are respectively connected with the post-cast cavity part (2), and the two adjacent prefabricated steel plate concrete shear wall units (100) are connected through the post-cast cavity part (2) in the horizontal direction.
2. The assembled steel plate concrete foundation of claim 1, wherein the side wall of the post-cast cavity part (2) is provided with a connecting hole (3) for forming a connecting key after post-cast concrete to connect two adjacent prefabricated steel plate concrete shear wall units (100).
3. The assembled steel plate concrete foundation according to claim 2, wherein a connecting rod (4) is arranged in the connecting hole (3), two ends of the connecting rod (4) are respectively connected with the two post-cast cavity parts (2), and a connecting key formed by the connecting rod (4) and concrete is formed after the concrete is post-cast.
4. Assembly type steel sheet concrete foundation according to claim 3, characterized in that said connecting rods (4) are connecting rods (4) made of shape memory alloy for providing an automatic return function to the foundation.
5. An assembled steel sheet concrete foundation according to claim 2, characterised in that a partition (5) is arranged in the post-cast cavity part (2), the post-cast cavity part (2) is divided into two areas by the partition (5), and the connecting rods (4) are fixedly connected with the partition (5).
6. The fabricated steel plate concrete foundation according to claim 2, wherein adjacent post-cast cavity portions (2) are fixed by connecting bolts (6).
7. The assembled steel sheet concrete foundation according to claim 2, wherein a sealing gasket (7) is arranged between adjacent post-cast cavity portions (2), and the sealing gasket (7) is used for sealing the connection area of two prefabricated steel sheet concrete shear wall units (100).
8. The assembled steel plate concrete foundation of claim 7, wherein the sealing gasket (7) is provided with a through hole adapted to the connecting hole (3).
9. Assembly type steel sheet concrete foundation according to claim 7, characterised in that an extension (71) is fixedly connected to both sides of the sealing gasket (7), the extension (71) extending along the side wall of the post-cast cavity section (2).
10. The assembled steel sheet concrete foundation of claim 1, comprising several layers of the precast steel sheet concrete shear wall units (100) in a height direction;
two prefabricated steel plate concrete shear wall units (100) which are adjacent up and down are connected through a connecting assembly (200) and a high-strength bolt (110);
the connecting assembly (200) is arranged on the bottom surface or the top surface of the prefabricated reinforced concrete part (1);
the connection assembly (200) comprises a T-shaped steel (210) and a connection wing plate (220);
the T-shaped steel (210) comprises an end plate (211) and a web plate (212);
the end plates (211) are embedded on the connecting end surfaces above or below the prefabricated steel plate concrete shear wall unit (100), the web plates (212) are embedded in the prefabricated steel plate concrete shear wall unit (100), and one ends of the web plates (212) are vertically and fixedly connected with the back surfaces of the end plates (211);
the connecting wing plate (220) is vertically connected to the outer side face of the end plate (211);
the connecting wing plate (220) is provided with a connecting hole;
the two prefabricated steel plate concrete shear wall units (100) which are adjacent up and down comprise an upper layer of shear wall unit (101) arranged above and a lower layer of shear wall unit (102) arranged below;
an upper connecting assembly (201) is arranged at the bottom of the upper layer shear wall unit (101);
a lower connecting assembly (202) is arranged at the top of the lower shear wall unit (102);
the upper connecting assembly (201) is opposite to the lower connecting assembly (202) in the vertical direction, an upper connecting wing plate (221) of the upper connecting assembly (201) is overlapped with a lower connecting wing plate (222) of the lower connecting assembly (202) together, and the high-strength bolt (110) penetrates through upper connecting holes of the upper connecting wing plate (221) and the lower connecting wing plate (222) and then is fixedly connected with the upper connecting wing plate and the lower connecting wing plate.
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| CN202211688716.6A CN115653154B (en) | 2022-12-28 | 2022-12-28 | Assembled steel sheet concrete basis |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773049A (en) * | 2004-11-12 | 2006-05-17 | 李克翔 | Concrete superimposed structural component box |
| JP2011064047A (en) * | 2009-09-15 | 2011-03-31 | Masahiko Shimizu | Construction of mat foundation by connecting precast concrete foundation beam member and precast concrete foundation beam joining member to construct rising part of foundation, and integrating bottom slab with joint part by cast-in-place concrete |
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| CN110158806A (en) * | 2019-05-24 | 2019-08-23 | 东南大学 | A kind of assembled steel reinforced concrete shear force wall bolt fastening structure and preparation method thereof |
| CN112593644A (en) * | 2020-12-04 | 2021-04-02 | 江苏天德建设工程有限公司 | Prefabricated assembly type shear wall vertical joint connecting structure and construction method thereof |
| CN112609860A (en) * | 2020-11-17 | 2021-04-06 | 四川省振控科技有限公司 | Novel full-assembly reinforced concrete shear wall and manufacturing method thereof |
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2022
- 2022-12-28 CN CN202211688716.6A patent/CN115653154B/en active Active
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| CN1773049A (en) * | 2004-11-12 | 2006-05-17 | 李克翔 | Concrete superimposed structural component box |
| JP2011064047A (en) * | 2009-09-15 | 2011-03-31 | Masahiko Shimizu | Construction of mat foundation by connecting precast concrete foundation beam member and precast concrete foundation beam joining member to construct rising part of foundation, and integrating bottom slab with joint part by cast-in-place concrete |
| CN205171747U (en) * | 2015-11-18 | 2016-04-20 | 福建工程学院 | Prefabricated assembled shear force wall perps connection structure |
| CN107217747A (en) * | 2017-04-28 | 2017-09-29 | 胡德 | A kind of novel fabricated connector for building |
| CN110158806A (en) * | 2019-05-24 | 2019-08-23 | 东南大学 | A kind of assembled steel reinforced concrete shear force wall bolt fastening structure and preparation method thereof |
| CN112609860A (en) * | 2020-11-17 | 2021-04-06 | 四川省振控科技有限公司 | Novel full-assembly reinforced concrete shear wall and manufacturing method thereof |
| CN112593644A (en) * | 2020-12-04 | 2021-04-02 | 江苏天德建设工程有限公司 | Prefabricated assembly type shear wall vertical joint connecting structure and construction method thereof |
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| CN115653154B (en) | 2023-04-07 |
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