CN217840370U

CN217840370U - Structure suitable for assembled ultralow energy consumption building outer wall through wire

Info

Publication number: CN217840370U
Application number: CN202222015384.7U
Authority: CN
Inventors: 马伊硕; 郝生鑫; 曹恒瑞; 高庆; 王祺
Original assignee: Beijing Kangju Certification Center Co ltd
Current assignee: Beijing Kangju Certification Center Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-18
Anticipated expiration: 2032-08-02

Abstract

The invention relates to the field of building heat preservation, in particular to a structure suitable for an assembled type ultralow-energy-consumption building outer wall through wire, which comprises a precast concrete sandwich outer wall plate, wherein the main body part of the precast concrete sandwich outer wall plate sequentially comprises a precast concrete outer leaf plate (1), a sandwich heat preservation layer (2) and a precast concrete inner leaf plate (3), a precast component reserved hole (13) is reserved on the main body part of the precast concrete sandwich outer wall plate, and the precast component reserved hole (13) penetrates through the precast concrete outer leaf plate (1), the sandwich heat preservation layer (2) and the precast concrete inner leaf plate (3). The structure has good safety, and can prevent cracking caused by hollowing; under the condition of ensuring to reach the strength, the stripping and the cracking caused by weathering and frost heaving can be prevented, so that the construction of the electric wire is convenient, the structure is more compact due to the pre-pressed expansion sealing belt, and the design requirement of air tightness treatment when the electric wire pipe is threaded through the assembled type ultra-low energy consumption building outer wall is met.

Description

Structure suitable for assembled ultralow energy consumption building outer wall through wire

Technical Field

The invention relates to the field of building heat preservation, in particular to a structure suitable for an outer wall wire penetrating of an assembled ultralow-energy-consumption building.

Background

The assembled building and the ultra-low energy consumption building are developed rapidly in recent years, the number of design projects is increased gradually, and the case of combining the two technologies is few, wherein the case of adopting a precast concrete sandwich external wall panel system for the outer enclosure of the assembled building and combining the ultra-low energy consumption technology urgently needs to carry out patent protection related technologies.

The prior art CN111305377A discloses an assembled steel structure ultralow-energy-consumption building air-tightness processing method, which comprises the following steps of constructing a structure main body and prefabricating a floor slab, wherein through-length angle steel is arranged on the inner side of an ALC (automatic level control) plate along the floor slab by adopting countersunk metal expansion bolts, the position of a top plate and an embedded steel beam are fixed by welding, the through-length angle steel on the ALC plate and the floor slab are fixed by hook bolts, and the heat bridge structure processing and the air-tightness sealing processing are carried out; the invention adopts the prestressed concrete laminated slab as the floor slab, has strong bearing capacity and good crack resistance, firstly calculates the heat balance of the building, then carries out heat bridge prevention treatment, carries out different treatments on different parts, has good heat bridge prevention effect, carries out air tightness treatment on the positions penetrating through the outer wall, the pulling node holes, the gaps and the windows, adopts different treatment modes according to the conditions, effectively solves the air leakage and air leakage phenomena at the joints of the building and forms the efficient air-tight layer of the building.

However, when the prefabricated concrete sandwich external wall panel system is adopted in the ultra-low energy consumption assembly type building, holes need to be reserved in part of the external wall, and the external wall is penetrated by a wire pipe and a wire so as to meet the wiring requirements of external devices, facilities and other wires. The position not only needs to meet the structural design requirements of the prefabricated sandwich plate of the outer periphery of the assembly type building, but also needs to meet the design requirements of heat preservation broken bridges and continuous air tightness of the ultra-low energy consumption building. The traditional design specification and the atlas only provide requirements for the design of non-fabricated building and non-precast concrete sandwich external wall panels, and do not provide solutions for the construction nodes. The following design structure nodes are formed to solve the above design problems.

Disclosure of Invention

The structure is suitable for outer wall wire threading of the assembled type ultralow-energy-consumption building and mainly solves the problem of wire pipe threading when the outer wall of the ultralow-energy-consumption assembled type building adopts a precast concrete sandwich outer wall panel.

Structure suitable for assembled ultralow energy consumption building outer wall wears electric wire, including precast concrete sandwich outer wall panel, precast concrete sandwich outer wall panel's main part include precast concrete outer leaf plate 1, press from both sides core heat preservation 2 and precast concrete interior leaf plate 3 in proper order, precast concrete sandwich outer wall panel's main part on reserve prefabricated component and reserve entrance to a cave 13, prefabricated component reserve entrance to a cave 13 and run through precast concrete outer leaf plate 1, press from both sides core heat preservation 2 and precast concrete interior leaf plate 3.

Furthermore, the precast concrete inner blade plate is pasted with a waterproof vapor-permeable membrane 6 towards the outdoor side, one side of the waterproof vapor-permeable membrane 6 is pasted to the precast concrete inner blade plate 3, and a section of length is reserved.

Furthermore, the waterproof steam-isolating membrane 7 is pasted towards the indoor side of the precast concrete inner blade plate, one side of the waterproof steam-isolating membrane 7 is pasted to the precast concrete inner blade plate 3, and a section of length is reserved.

Further, rock wool 12 with the thickness of 30-50mm is filled at the position of a reserved hole of the precast concrete inner blade plate for a circle, and a prepressing expansion sealing strip 4 is filled at the position of the reserved hole of the precast concrete outer blade plate for a circle and extends to the sandwich heat-insulating layer 2 inwards.

Furthermore, an aluminum-plastic composite pipe 11 with an embedded waterproof vapor-barrier sealing ring 8 penetrates through the reserved hole, and the waterproof vapor-permeable membrane 6 and the waterproof vapor-barrier membrane 7 are firmly adhered to the aluminum-plastic composite pipe 11.

Further, the electric wire sleeve 10 and the electric wire 9 are combined and penetrate through the aluminum-plastic composite pipe 11, the silicone sealant 5 is arranged at a position gap where the pipeline on the outer side of the precast concrete outer blade plate 1 penetrates out, and the silicone sealant is paved or painted on one indoor side.

Furthermore, the sandwich insulation is a composite insulation structure formed by combining one or more of rock wool, a vacuum insulation board, an extruded polystyrene board, a graphite polystyrene board and rigid foam polyurethane.

Compared with the prior art, the invention has the following beneficial effects:

the invention has simple threading structure and convenient installation, improves the safety of the assembled energy-saving heat-insulating wall body, has good durability, can ensure that the heat-insulating layer is continuous at the joint, avoids the existence of a heat bridge and ensures the thermal performance. Simultaneously, possess better waterproof performance, the sealed better setting of silicone sealant can make the rainwater can't get into the heat preservation, and the waterproof ventilative membrane of pasting has played the guard action to the heat preservation, has guaranteed the thermal insulation performance of heat preservation. In addition, the structure has good safety, and can prevent cracking caused by hollowing; under the condition of ensuring that the strength is achieved, the composite wall heat-insulating layer can be prevented from peeling and cracking caused by weathering and frost heaving, and the durability of the composite wall heat-insulating layer can be the same as that of a plastering protective layer on a brick wall. The reserved hole enables the construction of the electric wire to be convenient, the structure is more compact due to the pre-pressed expansion sealing belt, and the design requirement of air tightness treatment when the electric wire pipe is threaded on the outer wall of the assembled ultra-low energy consumption building is met.

Drawings

FIG. 1 is a construction suitable for a fabricated passive ultra-low energy consumption building wire tube penetrating through an outer wall;

FIG. 2 is a hole reserving structure of an assembled passive ultra-low energy consumption building precast concrete sandwich outer wall;

description of reference numerals:

1-precast concrete outer blade plate; 2-sandwich insulation layer; 3-precast concrete inner blade plate; 4-prepressing expansion sealing tape; 5-silicone sealant; 6-waterproof and vapor-permeable membrane; 7-waterproof vapor barrier film; 8-embedded waterproof steam-proof sealing ring; 9-electric wire; 10-wire sheath; 11-aluminum plastic composite pipe; 12-rock wool filling; and 13, reserving a hole in the prefabricated part.

Detailed Description

The following describes embodiments of the present invention in more detail by way of examples, with reference to the accompanying drawings.

See the description accompanying fig. 1-2.

Structure suitable for assembled ultralow energy consumption building outer wall through wire, including precast concrete sandwich side fascia, its characterized in that

The main body part of the precast concrete sandwich external wall panel comprises a precast concrete outer leaf panel 1, a sandwich heat-insulating layer 2 and a precast concrete inner leaf panel 3, and the precast concrete outer leaf panel, the sandwich heat-insulating layer 2 and the precast concrete inner leaf panel are precast in a factory to form a complete precast concrete component, wherein the sandwich heat-insulating layer 2 comprises heat-insulating materials such as but not limited to rock wool, a vacuum heat-insulating plate, an extruded polystyrene board, a graphite polystyrene board and rigid foam polyurethane and a composite heat-insulating structure formed by combining the heat-insulating materials. The precast concrete sandwich external wall panel needs to reserve a prefabricated component reserved hole 13 according to the threading size of a wire pipe specified by design in the production process of a factory, and is transported to the site for installation by corresponding protective measures, and after the installation, the protective materials or the protective measures are taken out, and then the pipe is penetrated and installed. Firstly, sticking a waterproof and vapor-permeable membrane 6 to the outdoor side of a reserved hole of a precast concrete inner blade plate, ensuring that one side is stuck to the precast concrete inner blade plate 3, and reserving a section of length; and (3) sticking a waterproof vapor barrier film 7 towards the indoor side at the reserved hole of the precast concrete inner blade plate, ensuring that one side is stuck to the precast concrete inner blade plate 3, and reserving a section of length. And then filling rock wool 12 with the thickness of 30-50mm in a circle at the reserved hole of the precast concrete inner blade plate, filling a circle of pre-pressed expansion sealing strip 4 at the reserved hole of the precast concrete outer blade plate, and extending the pre-pressed expansion sealing strip to the sandwich insulation layer 2 inwards. And (3) penetrating the aluminum-plastic composite pipe 11 with the embedded waterproof steam-isolating sealing ring 8 through the reserved hole, and firmly adhering the waterproof steam-permeable membrane 6 and the waterproof steam-isolating membrane 7 to the aluminum-plastic composite pipe 11. And (3) combining the wire sleeve 10 with the wire 9, penetrating the wire sleeve through an aluminum-plastic composite pipe 11, ensuring that the components are plugged tightly and installed in place, then drilling silicone sealant 5 at a position where a pipeline 1 on the outer side of the precast concrete outer blade penetrates out, and carrying out built-in construction paving or painting on one indoor side.

The traditional design specifications and drawings only provide design construction and requirements for the structure of the wire-through outer wall under the condition of a common ultra-low energy consumption building, the traditional heat-preservation thin-plastering outer wall system is mostly adopted for the building, and the assembled ultra-low energy consumption building does not have related specifications, drawings, design standards and related contents when the precast concrete sandwich outer wall board is adopted. The structural form of the invention solves the design problem of air tightness treatment when the wire pipe is threaded through the outer wall of the assembled ultra-low energy consumption building, and provides requirements for actual construction steps and methods, thereby having stronger practical guidance significance.

Although the present invention has been described in detail with reference to the examples, it will be understood by those skilled in the art that modifications may be made to the present invention without departing from the spirit of the present invention and that the insulating and waterproof structure ensures that the building foundation is formed without thermal bridge and the insulating material is effectively protected from the erosion of groundwater.

Claims

1. Structure suitable for assembled ultralow energy consumption building outer wall wears electric wire, including precast concrete sandwich outer wall panel, precast concrete sandwich outer wall panel's main part include in proper order that precast concrete outer leaf plate (1), sandwich heat preservation (2) and precast concrete inner leaf plate (3), its characterized in that: the main body part of the precast concrete sandwich external wall panel is reserved with a precast member reserved hole (13), and the precast member reserved hole (13) penetrates through the precast concrete outer leaf plate (1), the sandwich heat-insulating layer (2) and the precast concrete inner leaf plate (3).

2. The structure suitable for the outer wall wire penetrating of the assembled ultralow-energy-consumption building, according to claim 1, is characterized in that: waterproof ventilative membrane (6) are pasted towards outdoor side to the interior lamina of precast concrete, waterproof ventilative membrane (6) one side paste to interior lamina of precast concrete (3) to reserve one section length.

3. The structure suitable for the outer wall wire penetrating of the assembled ultralow-energy-consumption building, according to claim 2, is characterized in that: waterproof steam-proof membrane (7) is pasted towards indoor side to the interior lamina of precast concrete, waterproof steam-proof membrane (7) one side paste to interior lamina of precast concrete (3) to reserve one section length.

4. The structure suitable for the outer wall wire penetrating of the assembled ultralow-energy-consumption building, according to claim 3, is characterized in that: and rock wool (12) with the thickness of 30-50mm is filled at the reserved hole of the precast concrete inner leaf plate for a circle, and a pre-pressed expansion sealing strip (4) is filled at the reserved hole of the precast concrete outer leaf plate for a circle and extends to the sandwich heat-insulating layer (2) inwards.

5. The structure suitable for the assembled ultralow-energy-consumption building outer wall wire penetrating device in claim 4 is characterized in that: the wire sleeve (10) and the wire (9) are combined and penetrate through the aluminum-plastic composite pipe (11), silicone sealant (5) is arranged at a gap where a pipeline penetrates out of the outer side of the precast concrete outer blade plate (1), and one indoor side is paved or painted.

6. The structure suitable for the outer wall wire penetrating of the assembled ultralow-energy-consumption building, according to claim 5, is characterized in that: the sandwich insulation is one of rock wool, a vacuum insulation panel, an extruded polystyrene board, a graphite polystyrene board and rigid foam polyurethane.