Horizontal seam connecting structure and vertical seam connecting structure of reverse-hitting heat-preservation outer wall
By designing the horizontal and vertical joint connection structure of the back-burning insulation exterior wall, the gaps are filled with caulking materials and rear-adhesive insulation blocks, the problem of weak thermal bridges and airtightness formed during the splicing process is solved, and the airtightness of the building is improved and thermal insulation performance have promoted the development of ultra-low energy consumption buildings.
Patent Information
- Application Number
- CN202420919196.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The horizontal and vertical joints formed by the existing precast concrete anti-insulation exterior walls during the splicing process become thermal bridges and weak airtight parts, restricting the development of prefabricated ultra-low energy consumption buildings.
Design a horizontal joint connection structure and vertical joint connection structure of the anti-insulation exterior wall. By opening a gap at the bottom of the upper insulation layer, filling the filler and post-adhesive insulation blocks, ensuring that the gap between the concrete beam and the base wall is Effective filling to achieve the combination of airtightness and thermal insulation layer continuity.
It effectively solves the problem that horizontal and vertical joints become hot bridges and weak airtight parts, improves the airtightness and insulation performance of prefabricated buildings, and promotes the development of prefabricated ultra-low energy consumption buildings.
Smart Images
Figure CN222456422U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building structures, in particular to a horizontal seam connection structure and a vertical seam connection structure of a reverse-walled thermal insulation exterior wall. Background Art
[0002] In order to actively respond to global climate change, energy conservation and carbon reduction in the construction sector has become a critical link in my country's realization of carbon peak and carbon neutrality goals. Vigorously developing ultra-low energy consumption buildings has become the only way to achieve energy conservation and carbon reduction in the construction sector.
[0003] Precast concrete counter-insulated exterior wall is to pre-paste the insulation board in the steel mold of the precast concrete component in the factory, install the anchors, place the steel cage, and then pour the concrete to form the insulation board, anchors and concrete base wall into an integrated exterior wall panel. It can achieve the integration of structure and insulation function, industrialization, and the same lifespan, and eliminate the hollowing and falling of the exterior wall insulation and fire hazards.
[0004] Ultra-low energy buildings have high requirements for no thermal bridges and airtightness, and require the insulation layer and airtight layer to be continuous. However, the precast concrete reverse insulation exterior wall uses precast components for splicing, which will form a considerable number of board joints, such as the horizontal joints between the cast-in-place concrete beams and the precast wall panels above, and the vertical joints between the horizontally adjacent precast wall panels. These gaps have become thermal bridges and weak points of airtightness, which seriously restrict the development of prefabricated ultra-low energy buildings. Therefore, it is necessary to design a horizontal joint connection structure and a vertical joint connection structure for the reverse insulation exterior wall. Utility Model Content
[0005] In view of the shortcomings of the prior art mentioned above, the technical problem to be solved by the utility model is to provide a horizontal seam connection structure and a vertical seam connection structure of a reverse-insulated exterior wall, which is used to solve the problem of horizontal seams and vertical seams between cast-in-place concrete beams and prefabricated wall panels in the prior art, and to solve the problem that horizontal seams and vertical seams become thermal bridges and weak airtight components that restrict the development of prefabricated ultra-low energy consumption buildings.
[0006] To achieve the above-mentioned purpose, the utility model provides a horizontal seam connection structure of a reverse-insulated exterior wall, wherein the reverse-insulated exterior wall comprises an upper prefabricated wall panel and a lower prefabricated wall panel adjacently arranged in the upper and lower directions, the upper prefabricated wall panel comprises an upper base wall body and an upper insulation layer, the lower prefabricated wall panel comprises a lower base wall body and a lower insulation layer, a gap is provided between the upper base wall body and the lower base wall body to form a cast-in-place area; the lower insulation layer extends upward to cover the outside of the cast-in-place area; an upper insulation layer notch is provided at the bottom of the upper insulation layer; a concrete beam is cast in the cast-in-place area to form a horizontal seam between the concrete beam and the upper base wall; the horizontal seam and the upper insulation layer notch are filled with a horizontal seam connection component.
[0007] Preferably, the horizontal seam connection assembly includes a caulking material and a post-bonded insulation block, the caulking material is filled in the horizontal seam; the post-bonded insulation block is filled in the gap of the upper insulation layer, and the upper insulation layer and the lower insulation layer are integrally connected via the post-bonded insulation block.
[0008] Preferably, a plurality of connecting steel bars are pre-embedded in the lower base wall, and a plurality of post-grouting holes are opened in the upper base wall, and the connecting steel bars vertically penetrate the concrete beam and extend into the post-grouting holes; the post-grouting holes are connected with the horizontal seams; the post-grouting holes include a grouting port and a grouting outlet, and the grouting outlet is located on the upper side of the grouting port, and the filler enters into the horizontal seam through the grouting port to fill the horizontal seam.
[0009] Preferably, a plurality of anchors are embedded in the lower insulation layer, and the anchors are divided into upper anchors and lower anchors, the upper anchors extend into the interior of the concrete beam, and the lower anchors extend into the interior of the lower base wall.
[0010] Preferably, the upper base wall and the lower base wall are both made of ceramsite closed-cell foamed concrete.
[0011] To achieve the above purpose or other purposes, the present application also discloses a construction method of a reverse-hit insulation exterior wall horizontal seam connection structure, using the reverse-hit insulation exterior wall horizontal seam connection structure, the horizontal seam connection assembly includes a caulking material and a post-bonded insulation block; the steps are as follows:
[0012] S1: prefabricate and produce an upper prefabricated wall panel and a lower prefabricated wall panel in a factory;
[0013] S2: Install the prefabricated wall panels;
[0014] S3: Using the lower insulation layer as the external casting formwork of the cast-in-place area, and setting up the internal casting formwork inside the cast-in-place area; when the internal casting formwork is set up, the external casting formwork and the internal casting formwork surround the cast-in-place area, and concrete is poured into the internal casting formwork and the external casting formwork to form a concrete beam;
[0015] S4: Install prefabricated wall panels;
[0016] S5: Fill the horizontal joint between the concrete beam and the upper base wall with caulking material; fill the gap in the upper insulation layer and then stick the insulation block.
[0017] To achieve the above-mentioned purpose or other purposes, the utility model also discloses a vertical seam connection structure of a reverse-insulated exterior wall, wherein the reverse-insulated exterior wall comprises a first prefabricated wall panel and a second prefabricated wall panel adjacently arranged in a horizontal direction, wherein the first prefabricated wall panel comprises a first base wall and a first insulation layer, wherein the second prefabricated wall panel comprises a second base wall and a second insulation layer, wherein a vertical seam is provided between the first base wall and the second base wall, and the second insulation layer extends in a horizontal direction to cover the outside of the vertical seam; concrete is poured in the vertical seam to form a cast-in-place wall.
[0018] Preferably, a plurality of anchors are pre-buried in the second insulation layer, and the anchors are divided into first anchors and second anchors, the first anchors extend into the cast-in-place wall of the vertical joint, and the second anchors extend into the second base wall.
[0019] Preferably, a plurality of first reinforcing steel bars are embedded in the first base wall, and the first reinforcing steel bars extend into the vertical seams in the horizontal direction; and a plurality of second reinforcing steel bars are embedded in the second base wall, and the second reinforcing steel bars extend into the vertical seams in the horizontal direction.
[0020] To achieve the above purpose or other purposes, the present application also discloses a construction method of a reverse-insulated exterior wall vertical seam connection structure, using the reverse-insulated exterior wall vertical seam connection structure, the steps are as follows:
[0021] A1: Prefabricate and produce a first prefabricated wall panel and a second prefabricated wall panel in a factory;
[0022] A2: The first prefabricated wall panel and the second prefabricated wall panel are installed respectively, and a vertical joint is formed between the first base wall and the second base wall;
[0023] A3: The second insulation layer is used as an external casting formwork for the vertical joints, and an internal casting formwork is set up on the inner side of the vertical joints; when the internal casting formwork is set up, the internal casting formwork and the external casting formwork surround the vertical joints, and concrete is poured into the internal casting formwork and the external casting formwork to form a cast-in-place wall.
[0024] As described above, the horizontal seam connection structure and the vertical seam connection structure of the reverse-hit insulation exterior wall involved in the utility model have the following characteristics:
[0025] Beneficial effects:
[0026] 1. The horizontal seam connection structure of the reverse-insulated exterior wall involved in the utility model has an upper insulation layer notch at the bottom of the upper insulation layer, which can facilitate filling of the horizontal seam between the concrete beam and the upper base wall, thereby ensuring the air tightness of the prefabricated building. At the same time, the upper insulation layer notch is filled with post-bonded insulation blocks, which ensures the continuity of the insulation layer and avoids the existence of thermal bridges.
[0027] 2. The reverse-insulated exterior wall vertical seam connection structure involved in the utility model can ensure the air tightness of the prefabricated building by pouring concrete between the first base wall and the second base wall to form a local cast-in-place wall. At the same time, the second insulation layer can be used as an external casting template for the vertical seam and can also be connected to the first insulation layer as a whole, avoiding the existence of thermal bridges.
[0028] 3. The reverse-insulated exterior wall involved in the utility model integrates fire prevention, heat preservation, decoration and wall enclosure, and its fire resistance reaches above Class A, meeting the common needs of ultra-low energy consumption and architectural decoration of buildings. It has simple construction technology and low production cost, and is suitable for industrialized application in buildings. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 It is a schematic diagram of the horizontal seam connection structure of the reverse-hit thermal insulation exterior wall involved in the utility model;
[0030] Figure 2 The utility model is a schematic diagram of a vertical seam connection structure of a reverse-insulated exterior wall.
[0031] Description of reference numerals:
[0032] 10. Upper prefabricated wall panel; 11. Upper base wall; 12. Upper insulation layer; 20. Lower prefabricated wall panel; 21. Lower base wall; 22. Lower insulation layer; 30. Concrete beam; 40. Sealing material; 41. Post-bonding insulation block; 50. Connecting steel bars; 60. Post-grouting holes; 70. Upper anchors; 80. Lower anchors;
[0033] 100, first prefabricated wall panel; 101, first base wall; 102, first insulation layer; 200, second prefabricated wall panel; 201, second base wall; 202, second insulation layer; 300, cast-in-place wall; 400, second reinforcing steel bar; 401, first reinforcing steel bar; 500, first anchor; 600, second anchor. DETAILED DESCRIPTION
[0034] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0035] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.
[0036] like Figure 1 As shown, the utility model provides a horizontal seam connection structure of a reverse-insulated exterior wall, the reverse-insulated exterior wall comprises an upper prefabricated wall panel 10 and a lower prefabricated wall panel 20 which are adjacently arranged in the upper and lower directions, the upper prefabricated wall panel 10 comprises an upper base wall 11 and an upper insulation layer 12, the lower prefabricated wall panel 20 comprises a lower base wall 21 and a lower insulation layer 22, a gap is provided between the upper base wall 11 and the lower base wall 21 to form a cast-in-place area; the lower insulation layer 22 extends upward to cover the outside of the cast-in-place area; an upper insulation layer notch is provided at the bottom of the upper insulation layer 12; a concrete beam 30 is cast in the cast-in-place area, a horizontal seam is formed between the concrete beam 30 and the upper base wall 11; the horizontal seam and the upper insulation layer notch are filled with a horizontal seam connection component.
[0037] The utility model relates to a horizontal seam connection structure of a reverse-hit insulation exterior wall, wherein a gap is provided between an upper base wall 11 and a lower base wall 21 to form a cast-in-place area, and a lower insulation layer 22 extends upward to cover the outside of the cast-in-place area, so that when a concrete beam 30 is cast in the cast-in-place area, the concrete beam 30 and the lower base wall 21 are integrated, and a horizontal seam is formed between the concrete beam 30 and the upper base wall 11. A horizontal seam connection component is filled in the horizontal seam and the gap of the upper insulation layer, and the problem of weak air tightness in the horizontal seam and thermal bridge in the insulation layer is solved by the horizontal seam connection component.
[0038] Furthermore, in the present embodiment, the upper prefabricated wall panel 10 and the lower prefabricated wall panel 20 are both prefabricated concrete counter-insulated wall panels. The prefabricated concrete counter-insulated wall panels include, in addition to the insulation layer and the base wall, a finishing layer, a plastering layer and an interior decoration layer, etc., which can integrate fire prevention, insulation, decoration and wall enclosure. The fire prevention performance reaches Class A or above, meeting the common needs of ultra-low energy consumption of buildings and building decoration.
[0039] Preferably, Figure 1As shown, the horizontal seam connection assembly includes a caulking material 40 and a post-bonded insulation block 41. The caulking material 40 is filled in the horizontal seam; the post-bonded insulation block 41 is filled in the gap of the upper insulation layer, and the upper insulation layer 12 and the lower insulation layer 22 are integrally connected through the post-bonded insulation block 41. In this embodiment, an upper insulation layer gap is opened at the bottom of the upper insulation layer 12 to facilitate filling the caulking material 40 into the horizontal seam between the concrete beam 30 and the upper base wall 11, thereby ensuring the air tightness of the prefabricated building. At the same time, the post-bonded insulation block 41 is used to fill the gap of the upper insulation layer, thereby ensuring the continuity between the upper insulation layer 12 and the lower insulation layer 22 and avoiding the existence of thermal bridges.
[0040] Furthermore, in this embodiment, the joint filling material 40 mainly includes high-strength grouting material, and also includes high-strength sealing material filled at both ends of the horizontal joint. At the same time, in order to improve the waterproof performance, a waterproof coating can also be applied. Furthermore, a steel plate can be arranged between the upper base wall 11 and the concrete beam 30, and the steel plate is used to adjust the height of the horizontal joint.
[0041] Preferably, Figure 1 As shown, a plurality of connecting steel bars 50 are embedded in the lower base wall 21, and a plurality of post-grouting holes 60 are opened in the upper base wall 11. The connecting steel bars 50 vertically penetrate the concrete beam 30 and extend into the post-grouting holes 60; the post-grouting holes 60 are connected to the horizontal seams; the post-grouting holes 60 include a grouting port and a grouting outlet, the grouting outlet is located on the upper side of the grouting port, and the caulking material 40 enters the horizontal seams through the grouting port to fill the horizontal seams. In this embodiment, the purpose of setting a plurality of connecting steel bars 50 is to increase the connection strength between the upper prefabricated wall panel 10, the concrete beam 30, and the lower prefabricated wall panel 20 on the one hand, and on the other hand, the post-grouting holes 60 are sleeved on the connecting steel bars 50 to position and guide the installation of the upper prefabricated wall panel 10.
[0042] Furthermore, in the present embodiment, the connecting steel bar 50 may be one, two or even more, and the number of the connecting steel bars 50 is determined according to the actual construction requirements. The rear grouting hole 60 can be used for grouting after the upper prefabricated wall panel 10 is installed, so as to improve the connection strength between the connecting steel bar 50 and the upper base wall 11. When constructing the caulking material 40, it is necessary to first fill the two ends of the horizontal seam with high-strength sealing material. After the sealing is completed, the high-strength grouting material is filled into the horizontal seam through the grouting port until the high-strength grouting material is discharged from the slurry outlet, indicating that the rear grouting hole 60 and the horizontal seam are filled with high-strength grouting holes. In the present embodiment, waterproof coating can also be applied on the outside of the high-strength sealing material according to actual needs.
[0043] Preferably, Figure 1As shown, several anchors are embedded in the lower insulation layer 22, and the anchors are divided into upper anchors 70 and lower anchors 80. The upper anchor 70 extends to the inside of the concrete beam 30 along the left-right direction, and the lower anchor 80 extends to the inside of the lower base wall 21 along the left-right direction. In this embodiment, the upper anchor 70 is used to improve the connection stability between the lower insulation layer 22 and the concrete beam 30, and the lower anchor 80 is used to improve the connection stability between the lower insulation layer 22 and the lower base wall 21, effectively preventing the lower insulation layer 22 from falling off. Further, several anchors are embedded in the upper insulation layer 12, and the connection stability between the upper insulation layer 12 and the upper base wall 11 is improved by the embedded anchors.
[0044] Preferably, in this embodiment, the upper base wall 11 and the lower base wall 21 are both ceramsite closed-cell foamed concrete. The ceramsite closed-cell foamed concrete wall base material is a lightweight concrete made of silicate cement and ceramsite aggregate as the main materials, with some additives and water added, and the additive types mainly include all or several of the binder, anti-cracking agent, plasticizer, etc., which are uniformly mixed in a certain proportion and stirred by a special process to form closed-cell foams, and are made of A-class insulation board by back-casting, vibration compaction, and curing, and have excellent properties such as sound insulation, waterproofness, and antifreeze.
[0045] To achieve the above purpose or other purposes, the present application also discloses a construction method for a reverse-hit insulation exterior wall horizontal seam connection structure, such as Figure 1 As shown, the above-mentioned reverse-insulated exterior wall horizontal seam connection structure is adopted, and the horizontal seam connection assembly includes a caulking material 40 and a post-bonded insulation block 41; the steps are as follows:
[0046] S1: Prefabricate and produce an upper prefabricated wall panel 10 and a lower prefabricated wall panel 20 in a factory;
[0047] S2: Install the prefabricated wall panel 20;
[0048] S3: Use the lower insulation layer 22 as the outer casting formwork of the cast-in-place area, and set up the inner casting formwork inside the cast-in-place area; when the inner casting formwork is set up, the outer casting formwork and the inner casting formwork surround the cast-in-place area, and pour concrete into the inner casting formwork and the outer casting formwork to form a concrete beam 30;
[0049] S4: Install the prefabricated wall panel 10;
[0050] S5: Fill the caulking material 40 into the horizontal joint between the concrete beam 30 and the upper base wall 11; fill the gap of the upper insulation layer with the back-bonded insulation block 41, and the back-bonded insulation block 41 connects the upper insulation layer 12 and the lower insulation layer 22 as a whole.
[0051] Furthermore, the lower insulation layer 22 not only serves as a casting template for the lower base wall 21 when the wall panels are prefabricated in the factory in step S1, but can also serve as an external casting template for the cast-in-place area in step S3, which greatly simplifies the supporting structure during casting.
[0052] Furthermore, after executing step S5 , grouting may be performed in the rear grouting hole 60 to improve the connection strength between the connecting steel bars 50 and the upper base wall 11 .
[0053] To achieve the above purposes or other purposes, such as Figure 2 As shown, the utility model also discloses a vertical seam connection structure of a reverse-insulated exterior wall. The reverse-insulated exterior wall includes a first prefabricated wall panel 100 and a second prefabricated wall panel 200 adjacently arranged in a horizontal direction. The first prefabricated wall panel 100 includes a first base wall 101 and a first insulation layer 102. The second prefabricated wall panel 200 includes a second base wall 201 and a second insulation layer 202. A vertical seam is provided between the first base wall 101 and the second base wall 201. The second insulation layer 202 extends in a horizontal direction to cover the outside of the vertical seam. Concrete is poured in the vertical seam to form a cast-in-place wall 300.
[0054] Furthermore, in the present embodiment, the first prefabricated wall panel 100 and the second prefabricated wall panel 200 are both prefabricated concrete counter-insulated wall panels. The prefabricated concrete counter-insulated wall panels include, in addition to the insulation layer and the base wall, a finishing layer, a plastering layer and an interior decoration layer, etc., which can integrate fire prevention, insulation, decoration and wall enclosure. The fire prevention performance reaches Class A or above, meeting the common needs of ultra-low energy consumption of buildings and building decoration.
[0055] Preferably, Figure 2 As shown, a plurality of anchors are embedded in the second thermal insulation layer 202, and the anchors are divided into a first anchor 500 and a second anchor 600. The first anchor 500 extends vertically into the cast-in-place wall 300 of the vertical seam, and the second anchor 600 extends vertically into the second base wall 201. In this embodiment, the first anchor 500 is used to increase the connection stability between the second thermal insulation layer 202 and the cast-in-place wall 300, and the second anchor 600 is used to increase the connection stability between the second thermal insulation layer 202 and the second base wall 201, thereby preventing the second thermal insulation layer 202 from falling off.
[0056] Preferably, Figure 2As shown, a plurality of first reinforcing steel bars 401 are embedded in the first base wall 101, and the first reinforcing steel bars 401 extend into the vertical joints in the horizontal direction; a plurality of second reinforcing steel bars 400 are embedded in the second base wall 201, and the second reinforcing steel bars 400 extend into the vertical joints in the horizontal direction. In this embodiment, by providing the first reinforcing steel bars 401 and the second reinforcing steel bars 400, the connection strength between the first prefabricated wall panel 100 and the second prefabricated wall panel 200 is increased, and the strength of the cast-in-place wall 300 is also increased.
[0057] Preferably, in this embodiment, the first base wall 101 and the second base wall 201 are both ceramsite closed-cell foamed concrete. The ceramsite closed-cell foamed concrete wall base material is a lightweight concrete made of Portland cement and ceramsite aggregate as the main materials, with some additives and water added, and the additive types mainly include all or several of the binder, anti-cracking agent, plasticizer, etc., which are uniformly mixed in a certain proportion and stirred by a special process to form closed-cell foam, and are formed by back-casting, vibration compaction, and curing with Class A insulation boards, and have excellent properties such as sound insulation, waterproofness, and antifreeze.
[0058] To achieve the above purpose or other purposes, the present application also discloses a construction method of a reverse-hit insulation exterior wall vertical seam connection structure, such as Figure 2 As shown, the above-mentioned reverse insulation exterior wall vertical seam connection structure is adopted, and the steps are as follows:
[0059] A1: Prefabricate and produce a first prefabricated wall panel 100 and a second prefabricated wall panel 200 in a factory;
[0060] A2: The first prefabricated wall panel 100 and the second prefabricated wall panel 200 are installed respectively, and a vertical seam is formed between the first base wall 101 and the second base wall 201;
[0061] A3: The second insulation layer 202 is used as an external casting formwork for the vertical joint, and an internal casting formwork is set up on the inner side of the vertical joint; when the internal casting formwork is set up, the internal casting formwork and the external casting formwork surround the vertical joint, and concrete is poured into the internal casting formwork and the external casting formwork to form a cast-in-place wall 300.
[0062] The horizontal seam connection structure and the vertical seam connection structure of the reverse-hit thermal insulation exterior wall involved in the utility model have the following beneficial effects:
[0063] 1. The horizontal seam connection structure of the reverse-insulated exterior wall involved in the utility model has an upper insulation layer notch at the bottom of the upper insulation layer 12, which can facilitate filling the caulking material 40 into the horizontal seam between the concrete beam 30 and the upper base wall 11, thereby ensuring the air tightness of the prefabricated building. At the same time, the post-bonded insulation block 41 is used to fill the upper insulation layer notch, thereby ensuring the continuity of the insulation layer and avoiding the existence of thermal bridges.
[0064] 2. The vertical seam connection structure of the reverse-insulated exterior wall involved in the utility model forms a local cast-in-place wall 300 by pouring concrete between the first base wall 101 and the second base wall 201, which can ensure the air tightness of the prefabricated building. At the same time, the second insulation layer 202 can be used as an external casting template for the vertical seam, and can also be connected to the first insulation layer 102 as a whole, avoiding the existence of thermal bridges.
[0065] 3. The horizontal seam connection structure and vertical seam connection structure of the reverse-insulated exterior wall involved in the utility model solve the problems of thermal bridges and air tightness caused by the horizontal seams and vertical seams produced by the splicing of existing reverse-insulated exterior walls, which is conducive to the development of prefabricated ultra-low energy consumption buildings.
[0066] In summary, the utility model effectively overcomes various shortcomings of the prior art and has high industrial utilization value.
[0067] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.
Claims
1. A horizontal seam connection structure for a reverse-hit thermal insulation exterior wall, characterized in that: The reverse-insulated exterior wall comprises an upper prefabricated wall panel (10) and a lower prefabricated wall panel (20) which are arranged adjacent to each other in the upper and lower directions; the upper prefabricated wall panel (10) comprises an upper base wall body (11) and an upper insulation layer (12); the lower prefabricated wall panel (20) comprises a lower base wall body (21) and a lower insulation layer (22); a gap is provided between the upper base wall body (11) and the lower base wall body (21) to form a cast-in-place area; the lower insulation layer (22) extends upward to cover the outer side of the cast-in-place area; an upper insulation layer notch is provided at the bottom of the upper insulation layer (12); a concrete beam (30) is cast in the cast-in-place area, a horizontal seam is formed between the concrete beam (30) and the upper base wall body (11); and a horizontal seam connection component is filled in the horizontal seam and the upper insulation layer notch.
2. The horizontal seam connection structure of the reverse-hit thermal insulation exterior wall according to claim 1 is characterized by: The horizontal seam connection assembly comprises a caulking material (40) and a post-bonded thermal insulation block (41); the caulking material (40) is filled in the horizontal seam; the post-bonded thermal insulation block (41) is filled in the gap of the upper thermal insulation layer; the upper thermal insulation layer (12) and the lower thermal insulation layer (22) are integrally connected via the post-bonded thermal insulation block (41).
3. The horizontal seam connection structure of the reverse-hit thermal insulation exterior wall according to claim 2 is characterized by: A plurality of connecting steel bars (50) are pre-buried in the lower base wall (21), and a plurality of rear grouting holes (60) are opened in the upper base wall (11). The connecting steel bars (50) vertically penetrate the concrete beam (30) and extend into the rear grouting holes (60); the rear grouting holes (60) are connected to the horizontal seams; the rear grouting holes (60) include a grouting port and a grouting outlet, and the grouting outlet is located above the grouting port, and the joint filler (40) enters the horizontal seams through the grouting port to fill the horizontal seams.
4. The horizontal seam connection structure of the reverse-hit thermal insulation exterior wall according to claim 1 is characterized in that: A plurality of anchors are pre-buried in the lower insulation layer (22), and the anchors are divided into upper anchors (70) and lower anchors (80). The upper anchors (70) extend into the interior of the concrete beam (30), and the lower anchors (80) extend into the interior of the lower base wall (21).
5. The horizontal seam connection structure of the reverse-hit thermal insulation exterior wall according to claim 1 is characterized by: The upper base wall (11) and the lower base wall (21) are both made of ceramsite closed-cell foamed concrete.
6. A vertical seam connection structure for a reverse-insulated exterior wall, characterized in that: The reverse-insulated exterior wall comprises a first prefabricated wall panel (100) and a second prefabricated wall panel (200) which are arranged adjacent to each other in a horizontal direction, wherein the first prefabricated wall panel (100) comprises a first base wall body (101) and a first insulation layer (102), and the second prefabricated wall panel (200) comprises a second base wall body (201) and a second insulation layer (202), a vertical joint is provided between the first base wall body (101) and the second base wall body (201), and the second insulation layer (202) extends in a horizontal direction to cover the outer side of the vertical joint; concrete is poured in the vertical joint to form a cast-in-place wall body (300).
7. The reverse-hit insulation exterior wall vertical seam connection structure according to claim 6, characterized in that: A plurality of anchors are pre-buried in the second thermal insulation layer (202), and the anchors are divided into a first anchor (500) and a second anchor (600). The first anchor (500) extends into the cast-in-place wall (300) of the vertical joint, and the second anchor (600) extends into the second base wall (201).
8. The reverse-hit insulation exterior wall vertical seam connection structure according to claim 6, characterized in that: A plurality of first reinforcing steel bars (401) are pre-embedded in the first base wall (101), and the first reinforcing steel bars (401) extend into the vertical joints in the horizontal direction; and a plurality of second reinforcing steel bars (400) are pre-embedded in the second base wall (201), and the second reinforcing steel bars (400) extend into the vertical joints in the horizontal direction.