CN210288761U - Assembled shear force wall is wet mixed node structure futilely with heat preservation function - Google Patents

Assembled shear force wall is wet mixed node structure futilely with heat preservation function Download PDF

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Publication number
CN210288761U
CN210288761U CN201920828936.1U CN201920828936U CN210288761U CN 210288761 U CN210288761 U CN 210288761U CN 201920828936 U CN201920828936 U CN 201920828936U CN 210288761 U CN210288761 U CN 210288761U
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beams
steel
shear wall
welded
concrete plate
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CN201920828936.1U
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张文龙
戴永祥
于斌
曹小杰
李永刚
陈宏刚
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China Railway 12th Bureau Group Co Ltd
China Railway 12th Bureau Group Construction and Installation Engineering Co Ltd
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China Railway 12th Bureau Group Co Ltd
China Railway 12th Bureau Group Construction and Installation Engineering Co Ltd
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Abstract

The utility model belongs to the technical field of the assembled shear force wall, specifically a wet hybrid node structure futilely of assembled shear force wall with heat preservation function. The steel channel is fixed on the lower side of the upper shear wall and the upper side of the lower shear wall by wrapping, upper I-beams arranged at N intervals are welded on the lower side of the steel channel of the upper shear wall, lower I-beams arranged at N intervals are welded on the upper side of the steel channel of the lower shear wall, the upper I-beams and the lower I-beams are arranged in a one-to-one correspondence manner, additional base plates are installed on two sides of a web plate of the upper I-beams and two sides of a web plate of the lower I-beams and then connected through bolts, the upper I-beams and the lower I-beams form I-beams, TH heat preservation templates wrap the I-beams all around. And a prefabricated sandwich concrete plate is filled between two adjacent I-shaped steel columns. The utility model discloses reduce cast-in-place wet operation by a wide margin, can reduce the drawback of wet operation, reduce the site pollution.

Description

Assembled shear force wall is wet mixed node structure futilely with heat preservation function
Technical Field
The utility model belongs to the technical field of the assembled shear force wall, specifically a wet hybrid node structure futilely of assembled shear force wall with heat preservation function.
Background
The building industrialization and housing industrialization process of China is accelerated, the assembled shear wall structure gradually draws attention and is widely applied, and the assembled shear wall structure has very wide application prospect in multi-storey and high-rise housing buildings of China. Due to the characteristic that the assembled shear wall bears large horizontal shear and horizontal bending moment loads, the mechanical property of vertical connection of the assembled shear wall is challenged to a certain extent.
The connection mode of the assembled shear wall is commonly divided into a dry connection mode and a wet connection mode, wherein the wet connection mode comprises three modes, namely steel sleeve grouting connection, indirect lapping slurry anchoring connection and mechanical connection. Although the wet connection can guarantee equal cast-in-place in strength, the difficulty of design and construction is increased, secondary pollution is easily caused due to the fact that on-site wet operation is needed, the process is complex, construction quality is difficult to guarantee, and the structure is greatly influenced after damage.
The dry connection can avoid the defect of wet connection, but has poor integrity, and the deformation and damage of the structure are mainly concentrated on the connection part of the prefabricated part, so the anti-vibration performance is poor in the use process, and the use is limited in a high-intensity area.
The energy-saving and heat-insulating performance of the assembled shear wall node is also very important, and the energy-saving and heat-insulating effect of the whole wall body is concerned, so that the heat insulation and the energy saving of the node also need to take corresponding measures.
Therefore, there is a need to develop a new method for connecting an assembled shear wall, so as to reduce the construction difficulty, reduce the cost, ensure reliable quality, effectively improve the mechanical properties of the assembled shear wall, and enhance the thermal insulation performance of the node.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem, provide an assembled shear force wall dry and wet mixed node structure with heat preservation function.
The utility model adopts the following technical proposal: the utility model provides an assembled shear force wall dry-wet mixed node structure with heat preservation function, including the channel-section steel of outsourcing fixed at upper segment shear wall downside and lower section shear wall upside, the upper portion I-steel (N is confirmed by the design) that N intervals set up is welded to the channel-section steel downside of upper end shear wall, the lower part I-steel (N is confirmed by the design) that N intervals set up is welded to the channel-section steel upside of lower extreme shear wall, upper portion I-steel sets up with lower part I-steel one-to-one, the web both sides installation additional backing plate of upper portion I-steel and lower part I-steel then with bolted connection (bolt quantity, the interval is confirmed by the design), upper portion I-steel and lower part I-steel constitute the I-steel column, the I-steel column has TH insulation formwork all around. And a prefabricated sandwich concrete plate is filled between two adjacent I-shaped steel columns.
Furthermore, a plurality of groups of angle steels are welded on the channel steel at intervals, and the prefabricated sandwich concrete plate is welded and connected with the angle steels.
Further, every group angle steel sets up to two of symmetry, the plane of angle steel welds on the channel-section steel, two angle steel facades are hugged closely back to back and are welded in I-steel width direction's central line position, the embedded steel sheet is exposed in four bight regions on prefabricated sandwich concrete plate, thereby embedded steel sheet on the prefabricated sandwich concrete plate is even as an organic whole with the shear force wall with the angle steel welding, two symmetrical welding prefabricated sandwich concrete plates on the angle steel that sets up back to back, prefabricated sandwich concrete plate side middle part is provided with middle part embedded steel sheet equally, two adjacent prefabricated sandwich concrete plates pass through the middle part embedded steel sheet welded fastening that both sides correspond.
Furthermore, a vacuum foam plate is arranged in the sandwich concrete plate.
Furthermore, the channel steel is welded with an anchoring rib, and the anchoring rib and the upper section of shear wall or the lower section of shear wall are cast, maintained and molded together.
Furthermore, the gap between the sandwich concrete plate and the channel steel is subjected to mortar pointing, and the whole wall surface is coated with flexible putty.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. because cast-in-place wet work has been reduced by a wide margin, can reduce the drawback of wet work, the on-the-spot pollution is reduced, because vertical connection adopts I-steel bolted connection, the reliability of connection strengthens, can reduce because the structural safety hidden danger that various quality defects brought in the grout sleeve construction.
2. By adopting the mode of welding and connecting the sandwich concrete plate (the sandwich is the STP vacuum insulation plate) and the channel steel, compared with wet operation, the construction speed can be increased, the construction period can be shortened, the heat insulation performance at the node of the fabricated shear wall can be enhanced, and the indoor energy consumption can be reduced.
Drawings
FIG. 1 is a schematic structural diagram I of the present invention;
FIG. 2 is a schematic structural diagram II of the present invention;
FIG. 3 is a schematic view of a channel;
FIG. 4 is a cross-sectional view taken along line 1-1 of FIG. 3;
FIG. 5 is a cross-sectional view taken along line 2-2 of FIG. 1;
FIG. 6 is a schematic view of a prefabricated sandwich concrete slab block structure;
FIG. 7 is a cross-sectional view taken at 3-3 of FIG. 6;
FIG. 8 is a top view of a connection node;
in the figure, 1-an upper section shear wall, 2-a lower section shear wall, 3-angle steel, 4-channel steel, 5-TH heat preservation templates, 6-prefabricated sandwich concrete plates, 7-embedded steel plates, 8.1-upper I-shaped steel, 8.2-lower I-shaped steel, 9-additional base plates, 10-vacuum foam plates and 11-middle embedded steel plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 8, the fabricated shear wall dry-wet mixed node structure with the heat preservation function comprises a channel steel 4 which is externally wrapped and fixed on the lower side of an upper section shear wall 1 and the upper side of a lower section shear wall 2, N upper i-beams 8.1 which are arranged at intervals are welded on the lower side of the channel steel 4 on the upper side, N lower i-beams 8.2 which are arranged at intervals are welded on the upper side of the channel steel 4 on the lower side, the upper i-beams 8.1 and the lower i-beams 8.2 are arranged in a one-to-one correspondence manner, additional base plates 9 are installed on two sides of a web plate of the upper i-beams 8.1 and the lower i-beams 8.2 and then are connected through bolts (the number and the intervals are determined by design), the upper i-beams 8.1 and the lower i-beams 8.2 form i-steel columns, TH heat preservation formworks 5 are wrapped around the i-steel columns.
As shown in fig. 5, 6 and 7, a plurality of groups of angle steels 3 are welded on the channel steel 4 at intervals, and the precast sandwich concrete slab 6 is welded with the angle steels 3. Every group angle steel 3 is provided with two, and the plane of angle steel 3 welds on the channel-section steel, and two 3 facades of angle steel are hugged closely back to back and are welded in I-steel width direction's central line position, and four bight regions on prefabricated sandwich concrete plate 6 expose pre-buried steel sheet 7, and pre-buried steel sheet 7 on the prefabricated sandwich concrete plate 6 welds with angle steel 3 to even as an organic whole with the shear force wall, two symmetrical welding two prefabricated sandwich concrete plates 6 on two angle steels 3 that set up back to back. The sandwich concrete slab 6 is internally provided with a vacuum foam slab 10. The middle part of the side surface of each prefabricated sandwich concrete plate 6 is also provided with a middle embedded steel plate 11, and two adjacent prefabricated sandwich concrete plates 6 are welded and fixed through the middle embedded steel plates 11 corresponding to the two sides.
As shown in fig. 3 and 4, the channel steel 4 is welded with an anchoring rib, and the anchoring rib and the upper section shear wall 1 or the lower section shear wall 2 are cast, maintained and molded together. And pointing the gap between the sandwich concrete plate 6 and the channel steel 4 by using mortar, and coating flexible putty on the whole wall surface.
The construction sequence is as follows:
1. channel steel is respectively wrapped at the end parts of the upper and lower sections of the shear wall of the connecting node, and anchoring ribs are welded on the channel steel according to the design and specification requirements and cast, maintained and molded together with the shear wall;
2. the method comprises the following steps that I-shaped steels are correspondingly and vertically welded on outer-wrapped channel steel of a shear wall above and below a connecting node at a certain interval (the interval between the I-shaped steels is determined according to calculation), two corresponding I-shaped steels are connected through bolts of an additional base plate (the number of bolts and the interval are determined according to design), after the upper and lower I-shaped steels are connected into I-shaped steel columns through the additional base plate, two angle steels are welded back to back at a certain interval on the channel steel section of the upper and lower shear walls between two adjacent I-shaped steel columns (the interval between the angle steels is determined according to calculation), the vertical direction of the angle steel is parallel to the length direction of the channel steel and faces the outer side, the plane of the angle steel;
3. two rows of prefabricated sandwich concrete plates are filled in gaps between the I-shaped steel columns (sandwich is an STP vacuum insulation board), the upper corner area and the lower corner area of each row of plates are welded with embedded steel plates exposed on the same-side angle steel on channel steel (the two rows of plates and the angle steel are symmetrically attached to each other), the auxiliary shear-resistant effect and the auxiliary vertical load bearing effect can be achieved, the embedded steel plates are exposed in the middle parts of the left side and the right side of adjacent plates for welding connection, and the adjacent plates are connected into a whole.
4. And (3) wrapping an I-shaped steel column outside a TH heat-insulating template (with the thickness of 50 mm), and then grouting and compacting by using a high-strength grouting material. Therefore, the energy-saving and heat-insulating effect of the shear wall connecting node can be enhanced by the TH heat-insulating template and the sandwich concrete plate.
5. Finally pointing the gap with mortar, and then coating flexible putty on the whole wall surface.
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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides an assembled shear force wall is wet mixed node structure futilely with heat preservation function which characterized in that: the steel channel comprises a channel steel (4) which is fixed to the lower side of an upper shear wall (1) and the upper side of a lower shear wall (2) in an outsourcing mode, upper I-beams (8.1) which are arranged at N intervals are welded to the lower side of the channel steel (4) of the upper shear wall, lower I-beams (8.2) which are arranged at N intervals are welded to the upper side of the channel steel (4) of the lower shear wall, the upper I-beams (8.1) and the lower I-beams (8.2) are arranged in a one-to-one correspondence mode, additional base plates (9) are installed on two sides of a web plate of each of the upper I-beams (8.1) and the lower I-beams (8.2) and then connected through bolts, I-beams (8.1) and the lower I-beams (8.2) form I-shaped steel columns, TH heat insulation templates (5) are wrapped outside the I-shaped steel columns.
2. The fabricated shear wall wet-dry hybrid node structure with the thermal insulation function according to claim 1, wherein: the prefabricated sandwich concrete plate is characterized in that a plurality of groups of angle steels (3) are welded on the channel steel (4) at intervals, and the prefabricated sandwich concrete plate (6) is welded with the angle steels (3).
3. The fabricated shear wall wet-dry hybrid node structure with the thermal insulation function of claim 2, wherein: every group angle steel (3) be provided with two, the plane of angle steel (3) welds on the channel-section steel, two angle steel (3) facades are hugged closely back to back and are welded in I-steel width direction's intermediate position, four bight regions in the upper and lower limit of prefabricated sandwich concrete plate (6) expose pre-buried steel sheet (7), pre-buried steel sheet (7) and angle steel (3) welding on the prefabricated sandwich concrete plate (6), two prefabricated sandwich concrete plate (6) of symmetric welding are gone up in angle steel (3) that two back to back set up, prefabricated sandwich concrete plate (6) side middle part is provided with middle part pre-buried steel sheet (11) equally, two adjacent prefabricated sandwich concrete plate (6) are through middle part pre-buried steel sheet (11) welded fastening that both sides correspond.
4. The fabricated shear wall wet-dry hybrid node structure with the thermal insulation function according to claim 3, wherein: and a vacuum foam plate (10) is arranged in the sandwich concrete plate (6).
5. The fabricated shear wall wet-dry hybrid node structure with the thermal insulation function according to claim 1 or 4, wherein: and the channel steel (4) is welded with an anchoring rib, and the anchoring rib and the upper section of shear wall (1) or the lower section of shear wall (2) are poured together for maintenance and molding.
6. The fabricated shear wall wet-dry hybrid node structure with the thermal insulation function according to claim 5, wherein: and the gap between the sandwich concrete plate (6) and the channel steel (4) is subjected to mortar pointing, and the whole wall surface is coated with flexible putty.
CN201920828936.1U 2019-06-04 2019-06-04 Assembled shear force wall is wet mixed node structure futilely with heat preservation function Active CN210288761U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111980199A (en) * 2020-08-05 2020-11-24 姚攀峰 Broken bridge ultra-low energy consumption external wall panel and construction method thereof
CN113899544A (en) * 2021-12-09 2022-01-07 中国飞机强度研究所 Airplane climate test connecting device and parameter optimization method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111980199A (en) * 2020-08-05 2020-11-24 姚攀峰 Broken bridge ultra-low energy consumption external wall panel and construction method thereof
CN111980199B (en) * 2020-08-05 2022-07-12 姚攀峰 Broken bridge ultra-low energy consumption external wall panel and construction method thereof
CN113899544A (en) * 2021-12-09 2022-01-07 中国飞机强度研究所 Airplane climate test connecting device and parameter optimization method thereof
CN113899544B (en) * 2021-12-09 2022-02-18 中国飞机强度研究所 Airplane climate test connecting device and parameter optimization method thereof

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