Embedded UHPC (Ultra High Performance Concrete) node of bare concrete outer wall and construction method thereof

Abstract

The invention discloses a fair-faced concrete outer wall embedded UHPC joint and a construction method, the joint comprises a fair-faced concrete outer wall, the fair-faced concrete outer wall is provided with a curtain wall hole, and the side wall of the curtain wall hole is provided with a first thermal insulation layer; the UHPC curtain wall assemblies are embedded in the inner wall of the curtain wall hole, each UHPC curtain wall assembly comprises two UHPC curtain wall plates arranged in parallel and a second heat preservation layer fixed between the two UHPC curtain wall plates and fixedly connected with the first heat preservation layer, and the second heat preservation layer and the two UHPC curtain wall plates are correspondingly provided with a plurality of window holes; a glass assembly is fixed between the two UHPC curtain wall plates, and the glass assembly blocks the window opening. The gaps between the bare concrete outer wall and the UHPC curtain wall assemblies and the gaps between the adjacent UHPC curtain wall assemblies are filled with the fillers, and the positions, located between the UHPC curtain wall assemblies and the outer edge of the bare concrete outer wall, of the outer sides of the fillers are connected with metal edge closing connecting pieces. The problem that UHPC is difficult to popularize in bare concrete buildings is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and particularly relates to an inlaid UHPC node for fair-faced concrete exterior walls and a construction method thereof. Background Art

[0002] In recent years, with the continuous development of ultra-high performance concrete technology, UHPC has emerged as a new type of concrete and has gradually been applied to many public buildings. UHPC has extremely high mechanical properties and durability, which benefits from the uniformity and high strength of its mesoscopic structure. By studying and optimizing the microstructure of the material, the crack resistance, durability, damage tolerance and other properties of the concrete can be improved, enabling it to better cope with various complex environments and usage conditions.

[0003] At present, the application of UHPC in domestic building exterior walls is mainly in the form of decorative hanging panels. For fair-faced concrete buildings, UHPC external hanging panels will not only affect the texture of the fair-faced concrete itself, but also have relatively high construction costs, which is also the reason why UHPC is difficult to promote in fair-faced concrete buildings. Summary of the Invention

[0004] To overcome the defects existing in the prior art, the present invention provides an inlaid UHPC node for fair-faced concrete exterior walls and a construction method thereof. By optimizing the UHPC and curtain wall structures and integrating the two into one, the unique aesthetic appearance of UHPC is fully utilized.

[0005] To achieve the above object, the present invention provides an inlaid UHPC node for fair-faced concrete exterior walls, including:

[0006] A fair-faced concrete exterior wall, on which a curtain wall opening is provided, and a first thermal insulation layer is provided on the side wall of the curtain wall opening;

[0007] At least one group of UHPC curtain wall components embedded in the inner wall of the curtain wall opening. Each group of UHPC curtain wall components includes two UHPC curtain wall panels arranged in parallel and a second thermal insulation layer fixedly connected between the two UHPC curtain wall panels. The second thermal insulation layer is fixedly connected to the first thermal insulation layer. A plurality of window openings are correspondingly provided on the second thermal insulation layer and the two UHPC curtain wall panels. A glass component is fixed between the two UHPC curtain wall panels, and the glass component blocks the window openings;

[0008] A filler filled in the gaps between the fair-faced concrete exterior wall and the UHPC curtain wall components and between adjacent UHPC curtain wall components. A metal edge connecting member is connected at a position outside the filler and between the outer edges of the UHPC curtain wall components and the fair-faced concrete exterior wall.

[0009] Preferably, each of the UHPC curtain wall panels includes a plurality of unit panels arranged in a matrix, and at least one window opening is formed in each unit panel.

[0010] Preferably, between adjacent window openings

[0011] a tie member is provided, and the tie member is inserted and connected to the second insulation layer and the two UHPC curtain wall panels.

[0012] Preferably, the glass assembly includes an aluminum alloy window frame fixedly embedded in the window opening and a glass body fixedly connected to the aluminum alloy window frame.

[0013] Preferably, a third insulation layer is provided between the aluminum alloy window frame and the inner wall of the window opening, embedded parts are provided on the inner wall of the window opening, connecting bolts are inserted into the aluminum alloy window frame, and the inserted ends of the connecting bolts sequentially pass through the third insulation layer, the embedded parts and are inserted into the second insulation layer, so as to fixedly connect the glass assembly and the UHPC curtain wall panel.

[0014] Preferably, the colors of the materials of the metal edge connecting member, the fair-faced concrete exterior wall and the UHPC curtain wall panel are the same.

[0015] Preferably, connectors are provided on the UHPC curtain wall panel at the top and the UHPC curtain wall panel at the bottom, the first side plate of the connector is fixed to the UHPC curtain wall panel, and the second side plate is fixedly connected to the fair-faced concrete exterior wall.

[0016] Preferably, embedded sleeves are provided on the UHPC curtain wall panel at the top and the UHPC curtain wall panel at the bottom, through holes are formed in the connector at positions corresponding to the embedded sleeves, and fixing bolts for inserting into the embedded sleeves to fixedly connect the UHPC curtain wall panel and the connector are inserted into the through holes.

[0017] A construction method for an inlaid UHPC node of a fair-faced concrete exterior wall, used for constructing the inlaid UHPC node of the fair-faced concrete exterior wall, the construction method includes the following steps:

[0018] A curtain wall opening is formed in the fair-faced concrete exterior wall, and a first insulation layer is provided on the side wall of the curtain wall opening;

[0019] At least one group of UHPC curtain wall assemblies are embedded on the inner wall of the curtain wall opening, a second insulation layer is fixed between the two UHPC curtain wall panels of each group of UHPC curtain wall assemblies, and the second insulation layer is fixedly connected to the first insulation layer;

[0020] A plurality of window openings are correspondingly formed in the second heat insulation layer and two UHPC curtain wall panels, a glass assembly is fixed between the two UHPC panels, and the glass assembly blocks the window openings.

[0021] Filling materials are respectively filled in the gaps between the fair-faced concrete exterior wall and the UHPC curtain wall assembly and between adjacent UHPC curtain wall assemblies, and metal edge connectors are arranged at the positions between the outer edges of the UHPC curtain wall assembly and the fair-faced concrete exterior wall to ensure the continuity of the outer facade.

[0022] Due to the adoption of the above technical solutions, the present invention has the following beneficial effects:

[0023] By optimizing the UHPC and curtain wall structures, the present invention embeds the UHPC curtain wall assembly into the fair-faced concrete exterior wall, combining the two into one, and solves the problem that it is difficult to promote UHPC in fair-faced concrete buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0025] Figure 1 It is a schematic diagram of the overall structure of the embedded UHPC node in the fair-faced concrete exterior wall of the present invention.

[0026] Figure 2 It is Figure 1 The sectional view taken along line A-A in

[0027] Figure 3 It is Figure 1 The sectional view taken along line B-B in

[0028] Figure 4 It is Figure 1 The sectional view taken along line a-a in

[0029] Figure 5 It is Figure 1 The sectional view taken along line b-b in

[0030] Figure 6 It is Figure 1 The sectional view taken along line c-c in

[0031] Figure 7 It is Figure 2 The enlarged view of the node at C in

[0032] Figure 8 It is Figure 2 The enlarged view of the node at D in

[0033] Figure 9 is Figure 6 The enlarged view of the node at position E in the figure.

[0034] Figure 10 is Figure 6 The enlarged view of the node at position F in the figure.

[0035] The corresponding relationship of the reference numerals in the drawings is as follows:

[0036] 1 - fair - faced concrete exterior wall; 2 - first thermal insulation layer; 3 - UHPC curtain wall panel; 4 - second thermal insulation layer; 5 - window opening; 6 - glass assembly; 61 - aluminum alloy window frame; 62 - glass body; 63 - third thermal insulation layer; 64 - embedded piece; 65 - connecting bolt; 7 - filler; 8 - metal edge - connecting piece; 9 - unit panel; 10 - thermal insulation mortar; 11 - embedded sleeve; 12 - fixing bolt; 13 - angle code; 14 - tie piece. Specific embodiments

[0037] The following further describes the specific embodiments of the present invention with reference to the drawings. It should be noted here that the description of these embodiments is for helping to understand the present invention, but does not constitute a limitation to the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0038] Please refer to Figures 1 to 10As shown in the figure, an inlaid UHPC node for fair-faced concrete exterior wall is provided in an embodiment of the present invention, which includes a fair-faced concrete exterior wall 1, at least one group of UHPC curtain wall components, and a filler 7. Among them, a curtain wall opening is provided on the fair-faced concrete exterior wall 1, and a first thermal insulation layer 2 is provided on the side wall of the curtain wall opening. At least one group of UHPC curtain wall components is embedded in the inner wall of the curtain wall opening. Each group of UHPC curtain wall components includes two UHPC curtain wall panels 3 arranged in parallel and a second thermal insulation layer 4 fixedly connected between the two UHPC curtain wall panels 3. The second thermal insulation layer 4 is fixedly connected to the first thermal insulation layer 2. A plurality of window openings 5 are correspondingly provided on the second thermal insulation layer 4 and the two UHPC curtain wall panels 3. A glass component 6 is fixed between the two UHPC curtain wall panels 3, and the glass component 6 blocks the window openings 5. The filler 7 is filled in the gaps between the fair-faced concrete exterior wall 1 and the UHPC curtain wall components and between adjacent UHPC curtain wall components. A metal edge connection member 8 is connected at a position outside the filler 7 and between the outer edges of the UHPC curtain wall component and the fair-faced concrete exterior wall 1. It should be noted that in this embodiment, the colors of the materials of the metal edge connection member 8, the fair-faced concrete exterior wall 1, and the UHPC curtain wall panel 3 are the same, so as to ensure the continuity of the outer facade and achieve the unique artistic sense of fair-faced concrete buildings. The metal edge connection member 8 is made of bent aluminum plate, and the filler 7 is made of foam rod and sealant to ensure the tight fit of each component and prevent the occurrence of cold bridge phenomenon.

[0039] As a preferred embodiment, each UHPC curtain wall panel 3 includes a plurality of unit panels 9 arranged in a matrix, and at least one window opening 5 is provided on each unit panel 9.

[0040] As a preferred embodiment, as Figure 2 and Figure 6 shown, a tie member 14 is provided between adjacent window openings. The tie member 14 is inserted and connected to the second thermal insulation layer 4 and the two UHPC curtain wall panels 3. By providing the tie member 14, it can be used to fixedly connect the two UHPC curtain wall panels 3 and the second thermal insulation layer 4, and improve the overall stability of the connection structure.

[0041] Please refer to Figure 4 and Figure 5 shown, the glass component 6 includes an aluminum alloy window frame 61 fixedly embedded in the window opening 5 and a glass body 62 fixedly connected to the aluminum alloy window frame 61.

[0042] As a preferred embodiment, as Figure 2 and Figure 7As shown, a third thermal insulation layer 63 is provided between the inner wall of the aluminum alloy window frame 61 and the inner wall of the window opening 5. Embedded pieces 64 are provided on the inner wall of the window opening 5. Connecting bolts 65 are inserted into the aluminum alloy window frame 61. The inserted ends of the connecting bolts 65 sequentially pass through the third thermal insulation layer 63, the embedded pieces 54 and are inserted into the second thermal insulation layer 4, thereby fixedly connecting the glass assembly 6 and the UHPC curtain wall panel 3.

[0043] As a preferred embodiment, as Figure 10 shown, thermal insulation mortar 10 is provided between the UHPC curtain wall panel 3 at the bottom and the fair-faced concrete exterior wall 1. The UHPC curtain wall panel 3 and the fair-faced concrete exterior wall 1 are connected by connectors. As Figure 9 and Figure 10 shown, embedded sleeves 11 are provided on the UHPC curtain wall panel 3, and through holes are correspondingly provided on the connectors. In this embodiment, the connector is an angle code 13, that is, through holes are provided on the side plates of the angle code 13. The fixing bolts 12 are inserted into the embedded sleeves 11 through the through holes, and the other side plate of the angle code 13 is fixedly connected to the fair-faced concrete exterior wall 1.

[0044] The embodiment of the present invention also provides a construction method for an embedded UHPC node of a fair-faced concrete exterior wall, which is used for constructing an embedded UHPC node of a fair-faced concrete exterior wall. The construction method includes the following steps:

[0045] A curtain wall opening is formed in the fair-faced concrete exterior wall, and a first thermal insulation layer is provided on the side wall of the curtain wall opening;

[0046] At least one group of UHPC curtain wall components are embedded on the inner wall of the curtain wall opening, and a second thermal insulation layer is fixed between the two UHPC curtain wall panels of each group of UHPC curtain wall components, and the second thermal insulation layer is fixedly connected to the first thermal insulation layer;

[0047] A plurality of window openings are correspondingly formed in the second thermal insulation layer and the two UHPC curtain wall panels, and a glass assembly is fixed between the two UHPC panels, and the glass assembly blocks the window openings;

[0048] Filling materials are respectively filled in the gaps between the fair-faced concrete exterior wall and the UHPC curtain wall components and between adjacent UHPC curtain wall components, and metal edge connectors are provided at the positions between the outer edges of the UHPC curtain wall components and the fair-faced concrete exterior wall to ensure the continuity of the outer facade.

[0049] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principles and spirit of the present invention, various changes, modifications, substitutions and variations to these embodiments still fall within the protection scope of the present invention.

Claims

1. A UHPC node embedded in a plain concrete exterior wall, characterized in that: include: A plain concrete exterior wall, wherein a curtain wall opening is formed on the plain concrete exterior wall, and a first thermal insulation layer is formed on the side wall of the curtain wall opening; At least one group of UHPC curtain wall components embedded in the inner wall of the curtain wall opening, each group of the UHPC curtain wall components includes two UHPC curtain wall panels arranged in parallel and a second insulation layer fixedly connected between the two UHPC curtain wall panels, the second insulation layer is fixedly connected to the first insulation layer, a plurality of window holes are correspondingly opened on the second insulation layer and the two UHPC curtain wall panels, a glass component is fixed between the two UHPC curtain wall panels, and the glass component blocks the window hole; A filler is filled in the gap between the fair-faced concrete exterior wall and the UHPC curtain wall assembly and between adjacent UHPC curtain wall assemblies, and a metal edge connector is connected to the outside of the filler and at a position between the outer edge of the UHPC curtain wall assembly and the fair-faced concrete exterior wall.

2. The UHPC node embedded in the exposed concrete exterior wall according to claim 1, characterized in that: Each of the UHPC curtain wall panels includes a plurality of unit panels arranged in a matrix, and each of the unit panels is provided with at least one window opening.

3. The UHPC node embedded in the exposed concrete exterior wall according to claim 1, characterized in that: Anchors are provided between adjacent window openings, and the anchors are inserted and connected to the second thermal insulation layer and the two UHPC curtain wall panels.

4. The UHPC node embedded in the exposed concrete exterior wall according to claim 1, characterized in that: The glass assembly comprises an aluminum alloy window frame fixed and embedded in the window hole and a glass body fixedly connected to the aluminum alloy window frame.

5. The UHPC node embedded in the exposed concrete exterior wall according to claim 4, characterized in that: A third thermal insulation layer is provided between the aluminum alloy window frame and the inner wall of the window opening, an embedded sheet is provided on the inner wall of the window opening, and a connecting bolt is inserted into the aluminum alloy window frame. The insertion end of the connecting bolt passes through the third thermal insulation layer and the embedded sheet in sequence and is inserted into the second thermal insulation layer, thereby fixing the glass assembly to the UHPC curtain wall panel.

6. The UHPC node embedded in the exposed concrete exterior wall according to claim 1, characterized in that: The materials of the metal edge connector, the fair-faced concrete exterior wall and the UHPC curtain wall panel are consistent in color.

7. The UHPC node embedded in the exposed concrete exterior wall according to claim 1, characterized in that: The UHPC curtain wall panel located at the top and the UHPC curtain wall panel located at the bottom are both provided with connecting pieces, the first side panel of the connecting piece is fixed to the UHPC curtain wall panel, and the second side panel is fixedly connected to the fair-faced concrete exterior wall.

8. The UHPC node embedded in the exposed concrete exterior wall according to claim 1, characterized in that: The UHPC curtain wall panel at the top and the UHPC curtain wall panel at the bottom are both provided with embedded sleeves, and a through hole is opened on the connecting piece at a position corresponding to the embedded sleeve, and a fixing bolt for inserting into the embedded sleeve is inserted in the through hole to fix the UHPC curtain wall panel to the connecting piece.

9. A construction method for an embedded UHPC node in a plain concrete exterior wall, characterized in that: For constructing the UHPC node embedded in the exposed concrete exterior wall as claimed in claim 1, the construction method comprises the following steps: A curtain wall opening is opened on the exposed concrete exterior wall, and a first insulation layer is provided on the side wall of the curtain wall opening; At least one set of UHPC curtain wall components is embedded on the inner wall of the curtain wall opening, and a second insulation layer is fixed between two UHPC curtain wall panels of each set of UHPC curtain wall components, and the second insulation layer is fixedly connected to the first insulation layer; A plurality of window openings are correspondingly opened on the second insulation layer and the two UHPC curtain wall panels, and a glass component is fixed between the two UHPC panels so that the glass component blocks the window opening; Fillers are respectively filled in the gaps between the exposed concrete exterior wall and the UHPC curtain wall components and between adjacent UHPC curtain wall components, and metal edge connectors are provided at the position between the UHPC curtain wall components and the outer edge of the exposed concrete exterior wall to ensure the continuity of the facade.

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