CN210530066U - Upper beam, external wall panel and connecting node thereof - Google Patents

Abstract

The utility model discloses an upper beam, externally-hung wallboard and connected node thereof. The upper beam comprises a beam body, at least two reserved grooves are arranged on the inner side wall of the beam body at intervals, and each reserved groove is communicated with the outer side wall of the beam body through a pulp passing channel preset in the beam body; and the top of the beam body is provided with a slurry outlet channel communicated with the slurry passing channel. The utility model discloses with the firm more reliable of being connected of externally-hung wallboard and roof beam, and the ability reinforce that shears.

Description

Upper beam, external wall panel and connecting node thereof

Technical Field

The utility model relates to an upper beam, external wallboard and connected node thereof belongs to the building industrialization field.

Background

The development of high quality of buildings is a great trend in the future, and the outer wall is the most intuitive part for embodying the quality of the buildings. At present, the quality problems of the domestic outer wall are frequent, the phenomena of cracking, falling off and the like of the outer decorative layer are frequent, and the connection of the outer wall decoration and the structure needs a more reliable connection mode.

Building energy conservation and heat preservation are more and more emphasized, which relates to energy consumption of the whole environment and living comfort, and even in southern areas, the requirements for building heat preservation are more and more strict. However, the existing heat insulation construction methods are complex and have poor reliability, and a new heat insulation layer construction mode needs to be developed.

The high-performance concrete has rich and fine textures and texture, can accurately reproduce geometric patterns on the surface of a mold, has super-strong molding capability and infinite possibility in figures, texture and appearance, and can enable parts and plates to be lighter and thinner due to super-high strength, so that living space is increased.

Based on the factors, the prefabricated heat-insulation external wall board integrating the high-performance concrete material (or other high-performance plates) and the light heat-insulation material is developed, so that the external wall has good heat-insulation performance while having aesthetic feeling. The prefabricated heat-insulation external wall board forms a quickly-assembled external enclosure structure through a novel external connection form.

At present, the connection between the external wall panel and the precast beam is mostly in the form of angle steel connection, the requirement on angle steel connection precision control is high, the connection is unreliable, the quality is uncontrollable, and the construction difficulty is high. The connection of the external wall panel and the cast-in-place beam is generally to anchor the steel bars to the cast-in-place layer, the steel bars are anchored by the method to influence the binding and falling of the steel bars of the cast-in-place beam, and inclined supports are required to be arranged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an upper beam, external wallboard and connected node thereof, this upper beam and external wallboard's design can be with the firm more reliable of the connection of external wallboard and roof beam, and the ability reinforce that shears.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

the upper beam comprises a beam body and is structurally characterized in that at least two reserved grooves are arranged on the inner side wall of the beam body at intervals, and each reserved groove is communicated with the outer side wall of the beam body through a pulp passing channel preset in the beam body;

and the top of the beam body is provided with a slurry outlet channel communicated with the slurry passing channel.

Like this, make things convenient for follow-up connection to set up fastener and backing plate through seting up the reservation recess, set up the thick liquid passageway and can guarantee that the thick liquid firmly links together with externally-hung wallboard and roof beam, the roof beam body top sets up out the thick liquid passageway simultaneously, and the passageway of giving vent to anger simultaneously guarantees that the thick liquid fills up and treats the slip casting region.

According to the utility model discloses an embodiment, can also be right the utility model discloses do further optimization, following for optimizing the technical scheme who forms afterwards:

in order to form the slurry passing channel when the upper beam is prefabricated, the slurry passing channel is formed by corrugated pipes pre-buried in the beam body.

In order to accommodate the extension section of the embedded box of the externally-hung wallboard, at least two reserved grooves are arranged on the outer side wall of the beam body at intervals, and the reserved grooves on the outer side wall of the beam body are communicated with the reserved grooves on the inner side wall of the beam body through the corresponding pulp passing channels. Like this, pre-buried box and cross the thick liquid passageway and form the integral slip casting region of treating to make things convenient for the thick liquid to fill up, simultaneously, pre-buried box stretches into in the recess of the lateral wall of the roof beam body, has further improved the shear resistance.

Based on the same invention concept, the utility model also provides an external wall panel, which comprises a structural wall and an inner leaf wall; the structure wall and the inner leaf wall are connected to form an integrated structure; an embedded box and embedded ribs are embedded in the upper part of the structural wall, and the embedded box and the embedded ribs extend out relative to the inner side surface of the inner leaf wall; the embedded ribs penetrate through the slurry passing channel of the upper beam; and a grouting channel communicated with the embedded box is formed in the external wallboard. Therefore, the grout is injected into the embedded box from the grouting channel, then the embedded box and the grout passing channel are filled, and finally the grout overflows from the grout outlet channel.

Preferably, the structural wall is made of HPC (High Performance Concrete) or UHPC (Ultra-High Performance Concrete), and the inner leaf wall is made of foamed Concrete. The material of the structure wall has higher strength than that of the inner leaf wall, so that a sandwich structure is formed. High performance, the concrete of superhigh strength are as decorating the outer wall, and the outer wall impression is effectual, and the outer wall quality can be guaranteed, can also alleviate the weight of structure simultaneously greatly, can accomplish very frivolously, and the installation of facilitating the construction to save the cost. The light inner leaf wall made of the foamed concrete has the advantages of good heat insulation effect, light weight, good durability on the inner side of the high-strength concrete and basically no falling risk.

In order to ensure that the inside and the outside of the embedded box are tightly filled, a slurry passing hole communicated with the inside and the outside of the embedded box is formed in the side wall of the extending part of the embedded box.

In order to facilitate fastening of the outer wall panel to the upper beam, the protruding portion of the embedded rib has a threaded section and/or a protrusion.

Preferably, the first end part of the embedded rib is positioned in the embedded box, and the second end part of the embedded rib extends out of the embedded box; the opening end of the embedded box is communicated with the pulp passing channel. Therefore, the connection reliability of the external wall panel and the upper beam can be ensured through the dual connection of the embedded box and the embedded ribs.

Based on the same invention concept, the utility model also provides an upper connecting node of the external wall panel, which comprises the upper beam and the external wall panel; the embedded ribs of the external wall panel penetrate through the slurry passing channel of the upper beam, and the extending sections of the embedded ribs are fixedly connected with the external wall panel and the upper beam through the base plates and the nuts which are arranged in the reserved grooves in the inner side wall of the beam body.

The utility model discloses a connected node of externally-hung wallboard and entablature can pour into the cement thick liquid that excels in into the pre-buried box of cladding panel, can guarantee to fill moreover fully, can bear the decurrent resistance to shear force of cladding panel. The utility model discloses a this kind of connected mode design has guaranteed simultaneously that the upper beam and external wallboard contact surface all level and smooth.

And a fireproof plate is arranged between the outer side wall of the upper beam and the inner side wall of the outer hanging wallboard. The utility model discloses a connected node has ensured that outer wallboard and entablature fastening connection's crowded tight in-process neither can damage the light inner leaf wall, will guarantee again between not forming the logical seam, sets up like this and can suitably extrude at the PLASTIC LAMINATED in the centre, can satisfy this target.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the external wall board combining the decorative structure and the light heat insulation has the advantages of simple production process, convenient construction and installation, no need of inclined support supporting on site, and more simplicity and convenience than an external curtain wall. (beams, if cast in place, require diagonal bracing but may not have a groove in them).

2. The utility model discloses a connected node accords with flexonics's requirement, and anti-seismic performance is good. The upper connecting node of the external hanging plate adopts dual measures of pre-embedding ribs and grouting, and the connecting effect is reliable.

3. The utility model discloses an externally-hung wallboard both can install in the work progress, also can once only install after the floor capping, both can use cast-in-place roof beam, also can be applicable to prefabricated roof beam, can also be in the integrated outrigger in the link plate outside, and the flexibility is very strong.

4. The structure wall of the external wall board can effectively protect the rabbet on the outer side, the high-strength decorative structure is stressed and supported during transportation and lifting, and the heat insulation layer cannot be damaged.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the structural wall of FIG. 1;

FIG. 3 is an enlarged view of a portion of the upper portion of FIG. 1;

FIG. 4 is a schematic view of an embodiment of the present invention illustrating the installation of an external wall panel;

FIG. 5 is an enlarged partial view of the mounting portion of FIG. 4;

FIG. 6 is a top view of the connection node at the upper part of the external wall panel of the present invention;

FIG. 7 is a side view of the lower connecting node of the external wall panel of the present invention;

FIG. 8 is an enlarged side view of a portion of the top of the outer panel of the present invention;

fig. 9 is a schematic view of the lower connecting node of the external wall panel of the present invention.

In the figure

1-a structural wall; 2-inner leaf wall; 3-a lower beam; 4-a floor slab; 5-connecting the embedded parts; 6-upper beam; 7-fireproof plate; 8-column; 11-a connecting groove; 12-truss ribs; 13-pre-embedded plates; 14-embedding a box; 15-embedding ribs; 16-slurry passing holes; 17-a threaded section; 18-tongue and groove; 19-grouting a channel; 21-fireproof material mounting groove; 31-an embedded part; 32-screw rod; 33-a nut; 34-a hollow bolt; 61-reserving a groove; 62-a bellows; 63-slurry outlet channel; 64-a backing plate; 65-a nut; 100-external wall panel.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

A connecting joint of a wall panel to an upper beam, as shown in fig. 4 to 7, comprises an upper beam 6 and a wall panel 100. The upper beam 6 is fixedly connected with the upper parts of the plurality of external wall panels 100. As shown in fig. 6, a fire-proof plate 7 is provided between the outer sidewall of the upper beam 6 and the inner sidewall of the wall panel 100.

The connection of the external wall panel and the beam of the embodiment is to inject high-strength cement grout into the embedded steel box at the upper part of the external hanging panel, and the external hanging panel is full and can bear the downward shearing resistance of the external hanging panel. The design of the connection mode ensures that the contact surface of the beam or the column and the hanging plate is smooth. Furthermore, the connection between the external wall-hanging plate and the beam also ensures that the lightweight inner leaf wall is not damaged in the process of tightly extruding the wall plate and the beam, and a through seam (the middle fire-proof plate is properly extruded) is not formed between the wall plate and the beam.

As shown in fig. 5, the upper beam 6 includes a beam body, a plurality of reserved grooves 61 are arranged on the inner side wall of the beam body at intervals, and each reserved groove 61 is communicated with the outer side wall of the beam body through a pulp passing channel preset in the beam body. The top of the beam body is provided with a slurry outlet channel 63 communicated with the slurry passing channel. To facilitate prefabrication of the upper beam, the slurry passage is formed by a corrugated tube 62 pre-embedded in the beam body.

As shown in fig. 1 to 4, the exterior wall panel 100 includes a structural wall 1 and an inner leaf wall 2. The structure wall 1 and the inner leaf wall 2 are connected to form an integrated structure. The upper part of the structural wall 1 is embedded with an embedded box and embedded ribs, and the embedded box and the embedded ribs extend out of the inner side surface of the inner leaf wall 2. The embedded ribs penetrate through the pulp passing channel of the upper beam 6. And a grouting channel 19 communicated with the embedded box is formed in the external wallboard. And the side wall of the extending part of the embedded box is provided with a pulp passing hole 16 which is communicated with the inside and the outside of the embedded box. The protruding part of the embedded rib is provided with a thread section 17, and other protruding parts can be adopted, so that the connection is convenient.

As shown in fig. 6, the first end of the embedded bar is located in the embedded box, and the second end of the embedded bar extends out of the embedded box. The opening end of the embedded box is communicated with the pulp passing channel.

As shown in fig. 2, in order to improve the reliability of the connection, the protruding portion of the embedded rib has a threaded section, but it is also possible to provide a protrusion on the protruding portion. The embedded box is generally a steel box. The extension part of the steel box is provided with a slurry passing hole 16 which is communicated with the inside and the outside of the steel box. The extension of steel box all sets up grout hole 16 about the top is better like this, the later stage grout circulation of being convenient for, and the grout hole can also be opened to the steel box in the part of inner leaf wall 2, and the top surface can be introduced to materials such as PVC to the grout hole of crossing that sets up in inner leaf wall 2 for the grout, and this kind of mode can guarantee that the steel box interior grout quality is fuller.

In order to conveniently and easily embed the extending section of the box, the shearing resistance between the upper beam 6 and the external wall panel 100 is improved, at least two reserved grooves are arranged on the outer side wall of the beam body at intervals, and the reserved grooves on the outer side wall of the beam body are communicated with the reserved grooves on the inner side wall of the beam body through the corresponding pulp passing channels.

During installation, the embedded ribs of the external wall panel 100 penetrate through the slurry passing channel of the upper beam 6, and the extending sections of the embedded ribs are fixedly connected with the external wall panel 100 and the upper beam 6 through the backing plates 64 and the nuts 65 which are arranged in the reserved grooves 61 on the inner side wall of the beam body.

Further, as shown in fig. 1, the exterior wall panel of the present embodiment includes an outer decorative structure wall 1 and an inner leaf wall 2 connected to an inner side wall of the outer decorative structure wall 1 by the connection structure. The outer decorative structure wall 1 is a prefabricated structure, and the inner leaf wall 2 can be prefabricated on the inner side of the outer decorative structure wall 1 in a factory or cast in situ on the inner side of the outer decorative structure wall 1 in a construction site.

As shown in fig. 3, the top end and/or the bottom end of the outer decorative structure wall 1 and the inner leaf wall 2 are connected to form a rabbet 18, so that the outer decorative structure wall and the upper and lower parts of the light inner leaf wall are combined into a rabbet shape, and water can be better prevented.

The inner side wall of the inner leaf wall 2 is provided with a fireproof material mounting groove 21, and the fireproof plate 7 can be fixed in the fireproof material mounting groove 21. Therefore, the groove is reserved at the top of the light inner leaf wall, and fireproof materials such as rock wool are attached during installation and used for interlayer fireproof partition.

Further, as shown in fig. 1 to 3, the external wall panel 100 is formed by connecting a structural wall 1 and an inner leaf wall 2 to form a sandwich structure. The structure wall 1 and the inner leaf wall 2 are connected to form an integrated structure. And a supporting piece extending out relative to the inner side surface of the structure wall 1 is embedded in the lower part of the inner side of the structure wall 1, penetrates through the inner leaf wall 2 and extends out relative to the inner wall surface of the inner leaf wall 2. Preferably, a plurality of the supporting members are embedded in the lower portion of the embedded plate 13. The supporting member of the lower portion of the external wall panel 100 is fixed on the top surface of the beam 3 or the column or the floor 4 by the connecting embedded member 5. As shown in fig. 9, the connecting embedded part 5 includes a screw 32 and an embedded part embedded in the beam 3 or the column or the floor slab 4. Threaded holes which are vertically arranged are formed in the embedded part, and the screw rod 32 penetrates through the supporting part and is in threaded connection with the embedded part.

The outer wall panel of this embodiment has solved the reliable connection of outer decorative structure wall and light inner leaf wall, and outer decorative board and light inner leaf wall are an organic whole of working after the factory prefabrication, can not ftracture in installation and normal use process.

The outer hanging wallboard of this embodiment has solved the intensity problem of light inner leaf wall, and light inner leaf wall and the structural concrete direct contact of building damage when avoiding installing. At the door and window opening, the light inner leaf wall is also used as a carrier for fixing the window, and the strength of the light inner leaf wall is required to meet the requirement.

The externally-hung wallboard of the embodiment solves the problem that the connection mode of the heat-preservation externally-hung wallboard for externally hanging, and the design of the externally-hung connecting piece is convenient for field construction and installation.

The outer wall panel and the structure of this embodiment should be flexible connection, and the process of connection should be able to prevent that light inner leaf wall can not damage.

The leaf wall intensity ratio is lower in the light of externally-hung wallboard of this embodiment, once screws up and can destroy the structure, the utility model discloses an earlier screw up in advance, screw up in advance makes leaf wall and roof beam fully contact in the light, and box department thick liquid is after having the high strength after the grout, and the secondary is screwed up again.

As shown in fig. 9, in terms of adjusting the height of the exterior wall panel 100, one solution is: the support piece is provided with a vertically arranged threaded hole relative to the extending part of the inner wall surface of the inner leaf wall 2, a hollow bolt 34 is installed on the threaded hole, and the lower end of the hollow bolt 34 is abutted against the top surface of the beam 3 or the column or the upper surface of the floor slab 4. The screw 32 passes through the hollow bolt 34 and is in threaded connection with the embedded part. Therefore, the hollow bolt 34 is directly screwed, and the elevation of the external wall panel can be adjusted by matching the hollow bolt 34 with the threaded hole on the supporting piece.

The other scheme is that a vertically-arranged hole is formed in the extending part of the supporting piece, which is opposite to the inner wall surface of the inner leaf wall 2, a nut 33 fixed on the supporting piece is arranged above the hole, a hollow bolt 34 penetrating through the hole is connected to the nut 33 in a threaded mode, and the lower end of the hollow bolt 34 is abutted to the top surface of the beam 3 or the column or the upper surface of the floor slab 4. The screw 32 passes through the hollow bolt 34 and is in threaded connection with the embedded part. Therefore, the hollow bolt 34 is directly screwed, and the elevation of the external wall panel can be adjusted by matching the hollow bolt 34 with the nut 33. The best scheme is, the utility model discloses an externally-hung wallboard lower part stretches out pre-buried shaped steel from high strength decorative concrete, and the shaped steel extension has the nut in the welding of top surface to set up the bolt hole in corresponding the position.

During construction, steel plates (the embedded parts) are embedded in the lower floor during pouring, the embedded steel plates are level with the floor and can slightly protrude out of the floor, generally protrude out by 1-3mm, sleeves with screw holes (used for screwing in screws for fixing) protrude out of the lower portions of the embedded steel plates, and anchoring ribs are arranged to be connected with concrete (conventional method).

The utility model discloses a connecting device is screw rod and hollow bolt in addition, and the screw rod is twisted again after the primary location of externally-hung wallboard. The height of the wallboard is adjusted by screwing the hollow bolt, and the plane position of the wallboard can be accurately adjusted by prying the gap between the hollow bolt and the screw rod.

And after the position of the external wall board is adjusted, mortar is poured into a gap between the hollow bolt and the screw.

The embodiment concentrates the functions of lower connection, elevation, plane position adjustment and the like of the external wall board in one device, and greatly improves the convenience of construction.

In the connection of the external wall panel and the beam or the column or the floor slab, high-strength cement slurry is injected into the embedded steel box at the upper part of the external wall panel, and the external wall panel is full and can bear the downward shearing resistance of the external wall panel. The design of the connection mode ensures that the contact surface of the beam and the hanging plate is smooth.

In most cases, the first end of the embedded rib is located in the embedded box, and the second end of the embedded rib extends out of the embedded box. Therefore, the embedded ribs and the embedded boxes can be matched with each other, so that the connection reliability of the assembled external wallboard and the beam or the column is improved.

As shown in fig. 2, a support member extending from the inner side of the structural wall 1 is embedded in the lower portion of the inner side of the structural wall 1. The supporting piece is a pre-buried plate 13, and the pre-buried plate 13 is horizontally arranged. And the extending part of the embedded plate is provided with connecting holes which are vertically arranged. The pre-buried plate 13 is generally a steel plate, and preferably, two holes are formed at the extending end of the pre-buried steel plate, and bolts are welded to the holes near the wall panel side. Therefore, the utility model discloses the external connection form lower part of technical system adopts pre-buried steel sheet to connect, and the effect of steel sheet mainly has two: the positioning function is achieved, and the supporting and connecting functions are achieved. Thus, the steel plate is led out from the outer decorative structure wall and extends out of the light inner leaf wall, the hole welded with the bolt is screwed into the screw rod to adjust the elevation, and the other hole can be fixed with the floor (or the beam) through the self-tapping screw or the expansion bolt.

As shown in fig. 2, the inner side of the structural wall 1 is provided with a connecting structure for connecting with an inner leaf wall. Specifically, the connecting structure is a connecting groove 11 and/or a connecting protrusion which are arranged on the inner side surface of the structural wall 1 and/or a truss rib 12 which is pre-embedded on the inner side of the structural wall 1 and extends out relative to the inner side surface of the structural wall 1. Thus, the lightweight material (inner leaf wall) is more tightly connected to the outer decorative structure wall by reserving a plurality of connecting grooves 11 and/or connecting protrusions and/or truss ribs 12 on the outer decorative structure wall.

As shown in fig. 1, the embedded box, the embedded rib, and the supporting member of the external decorative structure wall all extend out of the inner side surface of the inner leaf wall 2.

The assembled external wallboard of the embodiment is an integrated decorative heat-insulation external wallboard. The outer decorative structure wall is preferably made of high-performance concrete and ultrahigh-strength concrete, and can be made of integrated decorative concrete. The inner leaf wall is preferably made of foamed concrete.

The outer decorative structure wall of the embodiment is used as an externally hung main stressed component, and embedded parts for connection are all fixed at the part. The outer decorative structure wall comprises embedded connecting steel bars with threads at the end parts, a steel embedded box connected in a shearing-resistant mode, truss steel bars used for being connected with the light inner leaf wall, and embedded steel plates. The shear connection steel box is required to extend out of the inner side surface of the light inner leaf wall.

The utility model discloses a supporting grout material of external connection form upper portion adoption reinforcing bar and steel box combination is connected with precast beam (connection form is first bolt-up, rethread grout enhancement coupling), and the bellows is buried underground at the position that the insulating external wallboard goes out the muscle in integration decoration to precast beam, and the recess is reserved to the first concrete in both ends of bellows, and inboard recess is used for twisting the bolt anchor, and the outside recess is used for shearing the connection, and two holes are opened to the bellows upper end and are led the roof beam top through forms such as PVC pipe for exhaust and play thick liquid.

The utility model discloses fire barrier should have certain flexibility, and thickness should slightly be greater than the clearance of foaming heat preservation inner leaf wallboard and roof beam, thereby the internal surface of steel box top tight preformed groove compresses tightly the PLASTIC LAMINATED. The size of the reserved groove on the outer side of the beam is slightly larger than that of the steel box.

The utility model discloses bolt fastening connection part puts a steel backing plate earlier, and the bolt twists the anchor reinforcing bar.

Integrating and prefabricating the foamed concrete heat-insulating external wall board: firstly, embedding parts such as connecting steel bars, truss steel bars, embedded steel plates and the like on an upper template of a prefabricated factory formwork, and pouring an outer decorative structure wall. And secondly, pouring the light heat-insulating inner leaf wall.

When the upper beam is prefabricated or cast-in-place, corrugated pipes are buried in the joints, holes are formed in the corrugated pipes and led to the floor through PVC pipes and the like, and grooves are reserved at two ends of the corrugated pipes.

Combine fig. 4 and 5 to show, the utility model discloses an externally-hung wallboard and upper beam connected node's installation step is as follows:

1. when the floor concrete is poured, an embedded steel plate (with a screw hole) is reserved at the fixed position of the beam top.

2. And hoisting the externally-hung wallboard to be in place initially, supporting the bottom of the wallboard on the floor by using a steel plate, inserting the upper steel bar and the steel box into the corrugated pipe and the reserved groove, adjusting the position of the externally-hung wallboard, adjusting the height of the externally-hung wallboard by screwing and loosening the screw rod on the steel plate, and fixing the bottom steel plate by using a self-tapping screw.

3. The upper reinforcing steel bars are screwed up through the steel plate gaskets and the matched bolts.

4. Grouting is carried out in the preformed hole on the beam and the preformed hole on the steel box after the whole floor is poured, so that the corrugated pipe, the steel box and the groove between the steel box and the corrugated pipe are tightly filled, and the whole connection is completed.

5. The elevation of the exterior wall panel 100 is adjusted by screwing the hollow bolt 34.

6. Screws 32 are screwed in and the planar positioning of the wall panel 100 is finely adjusted.

7. Mortar is poured into the gap between the hollow bolt 34 and the screw 32.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims (10)

1. The upper beam comprises a beam body and is characterized in that at least two reserved grooves (61) are arranged on the inner side wall of the beam body at intervals, and each reserved groove (61) is communicated with the outer side wall of the beam body through a pulp passing channel preset in the beam body;

the top of the beam body is provided with a slurry outlet channel (63) communicated with the slurry passing channel.

2. The upper beam according to claim 1, wherein the slurry passage is formed by a corrugated pipe (62) pre-embedded in the beam body.

3. The upper beam as claimed in claim 1 or 2, wherein the outer side wall of the beam body is provided with at least two preformed grooves at intervals, and the preformed grooves on the outer side wall of the beam body are communicated with the preformed grooves on the inner side wall of the beam body through the corresponding slurry passing channels.

4. An external wall panel comprises a structural wall (1) and an inner leaf wall (2); the structure wall (1) and the inner leaf wall (2) are connected to form an integrated structure; the structure wall is characterized in that an embedded box and embedded ribs are embedded in the upper part of the structure wall (1), and the embedded box and the embedded ribs extend out relative to the inner side surface of the inner leaf wall (2);

the embedded bar passes through the pulp passage of the upper beam (6) according to any one of claims 1-3;

and the outer wall-hung plate is provided with a grouting channel (19) communicated with the embedded box.

5. The panel according to claim 4, characterized in that said structural wall (1) is made of HPC or UHPC and said inner leaf wall (2) is made of foamed concrete.

6. The external hanging wallboard according to claim 4, characterized in that the side wall of the extending part of the embedded box is provided with a slurry passing hole (16) communicating the inside and the outside of the embedded box.

7. The cladding panel according to claim 4, wherein the protruding portion of the embedded ribs has threaded segments (17) and/or protrusions.

8. The external wall panel according to any one of claims 4 to 7, wherein a first end of the embedded rib is located in the embedded box, and a second end of the embedded rib extends out of the embedded box; the opening end of the embedded box is communicated with the pulp passing channel.

9. A connecting joint of a wall panel to a top rail, comprising a top rail (6) according to any one of claims 1-3 and a wall panel (100) according to any one of claims 4-8; the embedded ribs of the external wall board (100) penetrate through the slurry passing channel of the upper beam (6), and the extending sections of the embedded ribs are fixedly connected with the external wall board (100) and the upper beam (6) through backing plates (64) and nuts (65) arranged in the reserved grooves (61) on the inner side wall of the beam body.

10. A connection node of a wall cladding panel to an upper beam according to claim 9, characterised in that a fire protection plate (7) is arranged between the outer side wall of the upper beam (6) and the inner side wall of the wall cladding panel (100).

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