CN-121992881-A - Wall and foundation connection structure suitable for assembled passive house and construction method

CN121992881ACN 121992881 ACN121992881 ACN 121992881ACN-121992881-A

Abstract

The invention provides a wall and foundation connection structure suitable for an assembled passive room and a construction method, which belong to the technical field of building construction and comprise a prefabricated foundation and a prefabricated wall body, wherein the prefabricated foundation is prefabricated with a mounting groove, a first connecting groove and a second connecting groove; the prefabricated wall comprises a prefabricated wall body, wherein the prefabricated wall body comprises a steel sleeve, a self-clamping assembly which is self-clamped in the first connecting groove is arranged on the outer side of the lower end of the steel sleeve, and a wall body embedded part is embedded in the prefabricated wall body. When the prefabricated wall body is connected with the prefabricated foundation, the lower end of the wall body embedded part downwards penetrates through the prefabricated foundation along with the prefabricated wall body and is connected with the self-connecting assembly arranged in the second connecting groove, and the prefabricated wall body is clamped on the prefabricated foundation through the self-clamping assembly. The invention improves the reliability of the connection between the wall and the foundation through double connection, has convenient site construction operation, is beneficial to shortening the construction period, reduces the energy waste and improves the construction quality.

Inventors

YANG SONGSONG
ZHANG XIN
WANG WEIDONG
HUANG LIHONG
ZANG XIAOJIE
Zou Jiangchao
Ma Chengai

Assignees

北方工程设计研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20260126

Claims (10)

1. Wall and foundation connection structure suitable for prefabricated passive house, characterized by comprising: a prefabricated foundation (4) prefabricated with a mounting groove (401), a first connecting groove (402) and a second connecting groove (406), the first connecting groove (402) being prefabricated in the mounting groove (401), the second connecting groove (406) being prefabricated on the bottom surface of the prefabricated foundation (4), and The prefabricated wall body (1) comprises a steel sleeve (3) and a prefabricated wall body prefabricated in the steel sleeve (3), wherein the lower end of the steel sleeve (3) is matched with the mounting groove (401), the outer side of the lower end of the steel sleeve (3) is also provided with a self-clamping assembly (303) which is self-clamped in the first connecting groove (402), a wall embedded part (2) is embedded in the prefabricated wall body, and the wall embedded part (2) downwards passes through the steel sleeve (3); When the prefabricated wall body (1) is connected with the prefabricated foundation (4), the lower end of the wall body embedded part (2) downwards passes through a first communication hole (405) on the prefabricated foundation (4) along with the prefabricated wall body (1) and is connected with a self-connecting component (5) arranged in a second connecting groove (406), and the prefabricated wall body (1) is clamped on the prefabricated foundation (4) through the self-clamping component (303).
2. The wall and foundation connection structure suitable for the fabricated passive building according to claim 1, wherein the self-connection assembly (5) comprises a connection sleeve (501), a first baffle plate (507), a second baffle plate (505), a cover plate (502), a self-locking spring (504) and a split sliding block (503), wherein the connection sleeve (501) is arranged in the second connection groove (406) in an inverted mode, the cover plate (502) seals the lower end opening of the connection sleeve (501), a second communication hole (5011) coaxial with the first communication hole is formed in a top plate of the connection sleeve (501), a guide gap is formed between the first baffle plate (507) and the second baffle plate (505), the sliding block (503) is arranged in the guide gap in a sliding mode along the horizontal direction, the self-locking spring (504) is connected between the connection sleeve (501) and the sliding block (503) along the horizontal direction, a second communication hole (5011) and a second through hole (503) coaxial with the second communication hole (5011) and a second through hole (503) are respectively formed in the connection sleeve (507) and the second baffle plate (505), and the second through hole (503) extend through the natural part when the self-locking spring extends through the second through hole and the second through hole; The lower end of the wall embedded part (2) is provided with a clamping block (203), the clamping block (203) penetrates through the first communication hole, the second communication hole (5011) and the first through hole and pushes the sliding block (503) to compress the self-locking spring (504), the sliding block (503) penetrates through the second through hole from the position between the sliding blocks (503) which are opposite to each other, and the sliding block (503) is reset and stretches out under the elasticity of the self-locking spring (504) and is abutted with the upper surface of the clamping block (203) to limit the clamping block (203).
3. The wall and foundation connection structure suitable for the prefabricated passive building according to claim 2, wherein the self-connection assembly (5) further comprises a sliding plate (508) and an energy consumption spring (509), the sliding plate (508) is located on the first baffle plate (507) and is in sliding fit with the inner wall of the connection sleeve (501), the energy consumption spring (509) is compressed between the top plate of the connection sleeve (501) and the sliding plate (508), a third through hole coaxial with the second communication hole (5011) is formed in the sliding plate (508), and the lower end of the wall embedded part (2) penetrates through the energy consumption spring (509) and the third through hole.
4. The wall and foundation connection structure for prefabricated passive rooms according to claim 2, characterized in that the self-connecting assembly (5) further comprises a third baffle (506) arranged between the first baffle (507) and the second baffle (505), the third baffle (506) being provided with a fourth through hole coaxial with the second communication hole (5011), the fourth through hole being larger than the first through hole to form the guiding gap, the self-locking spring (504) being connected between the third baffle (506) and the slider (503).
5. The wall and foundation connection structure suitable for assembled passive houses according to claim 1, wherein the self-clamping assembly (303) comprises a fixed seat fixed on the outer side of the steel sleeve (3), a bending plate hinged on the fixed seat and a clamping spring (3034), the bending plate is provided with a connecting plate (3031) and a clamping plate (3033), the clamping spring (3034) is connected between the clamping plate (3033) and the steel sleeve (3), the connecting plate (3031) is abutted on the steel sleeve (3) by the elasticity of the clamping spring (3034), and the clamping plate (3033) enters the first connecting groove (402); The prefabricated wall body (1) is downwards installed in the installation groove (401), the clamping plate (3033) is pressed by an anchoring portion (403) formed by the first connecting groove (402) to compress the clamping spring (3034) to be folded upwards, when the clamping plate (3033) passes over the anchoring portion (403), the clamping plate enters the first connecting groove (402) under the elastic reset action of the clamping spring (3034), and the connecting plate (3031) is abutted to the steel sleeve (3) to realize automatic clamping of the prefabricated wall body (1) and the prefabricated foundation (4).
6. Wall and foundation connection structure suitable for prefabricated passive rooms according to claim 1, characterized in that the inner wall of the steel sleeve (3) is provided with anchoring plates (301) in reinforcing connection with the prefabricated wall body.
7. The wall and foundation connection structure suitable for the prefabricated passive house, according to claim 1, is characterized in that an expansion groove (407) with the width larger than that of the prefabricated wall body (1) is arranged in the installation groove (401), first steel plate energy dissipation members (6) are symmetrically arranged in the expansion groove (407) and on two sides of the prefabricated wall body (1), second steel plate energy dissipation members (7) are symmetrically arranged in the expansion groove (407) and on the inner walls opposite to the prefabricated foundation (4), and heat preservation and insulation materials (8) are further filled in the expansion groove (407).
8. Wall and foundation connection structure suitable for prefabricated passive rooms according to claim 1, characterized in that energy consuming braces (9) are also provided between the prefabricated foundation (4) and the prefabricated wall (1).
9. The wall and foundation connection structure suitable for the prefabricated passive building according to claim 1, wherein the prefabricated wall body sequentially comprises a reflecting layer (101), a waterproof layer (102), an outer protective layer (103), an airtight layer (104), an insulation layer (105), an acoustic insulation layer (106), a steam barrier layer (107), an inner protective layer (108) and a decorative layer (109), and a protective layer drawknot (110) is arranged between the outer protective layer (103) and the inner protective layer (108).
10. A wall and foundation connection construction method based on a wall and foundation connection structure suitable for use in a fabricated passive building as claimed in any one of claims 1 to 9, the method comprising: The method comprises the steps of manufacturing a prefabricated foundation (4), a steel sleeve (3), a wall embedded part (2), a self-clamping assembly (303), a self-connecting assembly (5), a first steel plate energy dissipation part (6), a second steel plate energy dissipation part (7), an energy dissipation brace (9) and a protective layer drawknot part (110) in a factory; An airtight layer (104), an insulation layer (105), a sound insulation layer (106) and a steam barrier (107) are arranged in the steel sleeve (3), a protective layer drawknot (110) penetrating through the airtight layer (104), the insulation layer (105), the sound insulation layer (106) and the steam barrier (107) is arranged, and a wall embedded part (2) penetrating through the steel sleeve (3) is arranged; The outer protective layer (103) and the inner protective layer (108) are poured outside the airtight layer (104) and the steam barrier layer (107), and the steel sleeve (3) is poured into a whole; the first steel plate energy consumption piece (6) is installed on the prefabricated wall body (1), and the self-clamping assembly (303) is installed on the steel sleeve (3); -arranging the self-connecting assembly (5) in a second connecting groove (406) of the prefabricated foundation (4), and-assembling the second steel plate energy consuming member on the prefabricated foundation (4); The prefabricated wall body (1) is vertically inserted into a mounting groove (401) of the prefabricated foundation (4), and the prefabricated foundation (4) is connected through the self-clamping assembly (303) and the self-connecting assembly (5); and installing energy consumption braces (9) between the prefabricated wall body (1) and the prefabricated foundation (4), and filling heat preservation and insulation materials (8) in the holes of the installation grooves (401).

Description

Wall and foundation connection structure suitable for assembled passive house and construction method Technical Field The invention belongs to the technical field of building construction, and particularly relates to a wall and foundation connection structure suitable for an assembled passive house and a construction method. Background Along with the continuous deepening of global low-carbon transformation and double-carbon targets, building energy conservation is given an important mission for supporting national green development strategy, and an assembly type passive house integrates a passive ultra-low energy consumption technology and an assembly type building industrialization concept, so that the energy consumption of the whole life cycle of a building can be greatly reduced, the double requirements of modern buildings on high-quality living can be met, and the method becomes a key path for pushing carbon emission reduction in the field of buildings. In the assembled passive house, the wall and the foundation are taken as important components of the building structure, and the connection structure of the wall and the foundation becomes the key of popularization and application of the assembled passive house. At present, the connection between the wall and the foundation of the assembled passive house has the following problems: (1) The wall and foundation are connected by adopting a cast-in-situ structure, so that the problems of more field wet operation, more complicated construction operation, long field construction period, high construction labor intensity, a large amount of energy waste and uncontrollable quality exist in the connection structure of the assembled wall and foundation are solved. (2) The existing assembled wall and foundation connection structure does not perform multi-order energy consumption configuration, and the earthquake resistance is poor. (3) In the assembled passive house, the heat insulation performance of the wall is poor, and the heat insulation performance of the junction of the wall and the foundation is poor. In view of this, it is necessary to develop a wall and foundation connection structure with good earthquake-resistant performance, convenient construction operation, good heat preservation and insulation effect and controllable construction quality, so as to meet the requirements of the national green development strategy. Disclosure of Invention The embodiment of the invention provides a wall and foundation connection structure suitable for an assembled passive house, and aims to solve the problems of complex construction operation and uncontrollable quality existing in connection of a wall and a foundation. In order to achieve the above object, the present invention provides a wall and foundation connection structure suitable for an assembled passive house, comprising: A prefabricated foundation prefabricated with a mounting groove, a first connecting groove and a second connecting groove, wherein the first connecting groove is prefabricated in the mounting groove, the second connecting groove is prefabricated on the bottom surface of the prefabricated foundation, and The prefabricated wall comprises a steel sleeve and a prefabricated wall body prefabricated in the steel sleeve, wherein the lower end of the steel sleeve is matched with the mounting groove, and a self-clamping assembly which is self-clamped in the first connecting groove is further arranged on the outer side of the lower end of the steel sleeve; When the prefabricated wall body is connected with the prefabricated foundation, the lower end of the wall body embedded part downwards passes through the first communication hole on the prefabricated foundation along with the prefabricated wall body and is connected with the self-connecting component arranged in the second connecting groove, and the prefabricated wall body is clamped on the prefabricated foundation through the self-clamping component. In combination with the first aspect, in an implementation manner, the self-connecting assembly comprises a connecting sleeve, a first baffle, a second baffle, a cover plate, a self-locking spring and a split sliding block, wherein the connecting sleeve is reversely arranged in the second connecting groove, the cover plate seals the opening at the lower end of the connecting sleeve, a second communication hole coaxial with the first communication hole is formed in the top plate of the connecting sleeve, a guide gap is formed between the first baffle and the second baffle, the sliding block is arranged in the guide gap in a sliding manner along the horizontal direction, the self-locking spring is connected between the connecting sleeve and the sliding block along the horizontal direction, a first through hole and a second through hole coaxial with the second communication hole are respectively formed in the first baffle and the second baffle, and when the self-locking spring naturally stretches, the slidi