CN211114215U - Full cast-in-place reinforced concrete outer wall structure of high-rise building - Google Patents
Full cast-in-place reinforced concrete outer wall structure of high-rise building Download PDFInfo
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- CN211114215U CN211114215U CN201921486906.3U CN201921486906U CN211114215U CN 211114215 U CN211114215 U CN 211114215U CN 201921486906 U CN201921486906 U CN 201921486906U CN 211114215 U CN211114215 U CN 211114215U
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Abstract
The utility model belongs to building outer wall structure field specifically discloses high-rise building full cast-in-place reinforced concrete outer wall structure, including shear force wall and infilled wall, shear force wall and infilled wall are reinforced concrete structure, and the vertical seam position packing of shear force wall and infilled wall has vertical flexible isolation, and the horizontal seam position packing of shear force wall and infilled wall has horizontal flexible isolation. The utility model discloses a reinforced concrete structure's infilled wall replaces traditional brickwork infilled wall, and the outer wall adopts full cast-in-place structure, can solve the outer wall wholeness that adopts gas-filled wall to lead to at present and poor, the easy defect such as infiltration.
Description
Technical Field
The utility model relates to a building outer wall structure field, concretely relates to high-rise building cast in situ reinforced concrete outer wall structure entirely.
Background
With the continuous and rapid promotion of infrastructure construction in China, the technical development of high-rise building is rapid, and the high-rise building gradually becomes the pursuit target of people from the aspects of meeting basic living conditions, protecting the environment and saving energy, realizing green and low carbon, realizing intellectualization, and having higher safety degree, comfort degree and the like. Regarding the construction technology of the outer wall of a high-rise building, most outer wall structures of domestic housing projects at present adopt a shear wall structure and aerated concrete blocks as filler walls, the outer wall structure is easy to produce hollowing and cracking, window edges leak, constructional columns and plastering of rear masonry walls are large, and meanwhile, the method has certain defects in the aspects of structural impermeability, seismic resistance and the like:
1. in the aspect of structural impermeability, the aerated concrete block has large void ratio, high water absorption and low impermeability; the quality control difficulty is high in the construction process, and the water seepage of the outer wall is caused by the fact that aerated concrete blocks are not full of mortar; the brick concrete joint part cracks, the plastering quality is not good, the joint pointing of the external wall brick is not compact, and the external wall water seepage can also be caused in the aspects of not setting constructional columns, ring beams, serrated racking and the like according to requirements.
2. In terms of structural shock resistance: although the aerated concrete has light volume weight, the aerated concrete has poor integrity, and the shock resistance is different from that of reinforced concrete.
3. The aerated concrete block has low surface strength, is easy to have corner failure or fracture in the transportation and carrying processes, has large loss and reduces the quality of raw materials.
4. The aerated concrete block is easy to be powdered on the surface and is not easy to be better bonded with mortar.
5. Because a large number of closed air holes are formed in the aerated concrete block, the aerated concrete block is low in hardness, and the aerated concrete block is easy to fall off when a wall hole needs to be drilled on a brick wall.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-rise building full cast-in-place reinforced concrete exterior wall structure to solve the outer wall wholeness that adopts the gas filled wall to lead to at present and poor, the easy defect such as infiltration.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the high-rise building full cast-in-place reinforced concrete outer wall structure comprises a shear wall and a filler wall, wherein the shear wall and the filler wall are both reinforced concrete structures, vertical joint parts of the shear wall and the filler wall are filled with vertical flexible isolation, and horizontal joint parts of the shear wall and the filler wall are filled with horizontal flexible isolation.
The principle of the scheme is as follows:
this scheme improves traditional brickwork infilled wall for reinforced concrete structure, and infilled wall and shear force wall are reinforced concrete structure promptly, and whole outer wall can adopt the construction mode of cast-in-place entirely. However, the reinforced concrete full cast-in-place outer wall has the characteristic that the tensile strength is low due to the self-property of the concrete, the outer wall can generate the effects of thermal expansion and cold contraction under the sun and rain, and the temperature effect can cause the concrete to generate tensile micro cracks. After the concrete material is poured, the concrete material can shrink, and the shrinkage crack of the concrete wall can be caused by the shrinkage effect.
The horizontal flexible isolation and the vertical flexible isolation are arranged on the outer wall, so that the filler wall is separated from the shear wall with high structural rigidity, and the shear damage caused by the restraint of the filler wall can be avoided.
The vertical flexible isolation is used for dividing the concrete filled wall and the left and right shear walls; horizontal flexible insulation is used for the separation of concrete filled walls from the upper and lower structural beams (or structural slabs).
This scheme of adoption can reach following technological effect:
1. adopt reinforced concrete structure's infilled wall to replace traditional brickwork infilled wall, the outer wall adopts full cast-in-place structure, has following advantage: the concrete has the advantages that the structural integrity is improved, the structure is favorably resistant to earthquake and vibration and explosion shock waves, and after the form is removed, the concrete is uniform in texture and good in impression, so that the brand image is favorably improved; the risk of water leakage of the outer wall is reduced, the concrete has certain self-waterproof and anti-permeability capacity due to the compactness, and the linear expansion coefficients of the reinforced concrete and the aerated concrete masonry are greatly different, so that the reinforced concrete filler wall and the outer wall are made of the same material, the large difference caused by expansion with heat and contraction with cold of different materials is reduced, the two different materials can be prevented from generating large stress, the wall body crack is prevented from being generated, and the anti-permeability performance of the structure is improved; and thirdly, in the aspect of field construction management, reinforced concrete is used as a filling wall, the outer wall can be completely cast in situ with concrete, meanwhile, the cross construction of all working procedures is reduced, the plastering-free outer wall is realized, and thus, the construction period is greatly saved.
2. The main functions of the vertical flexible isolation and the horizontal flexible isolation are to isolate the shear wall and the filler wall, so that the indirect connection between the shear wall and the filler wall is realized, the rigid connection between the shear wall and the filler wall is avoided, the rigidity of the shear wall is not increased, the integral rigidity of an outer wall structure is reasonable, the influence of wall cracking on the main body structure in an earthquake is reduced, and the aim of completely adopting concrete for cast-in-place of the outer wall can be realized.
Further, steel bar preformed holes are formed in the vertical flexible isolation and the horizontal flexible isolation.
The reinforcing bar preformed hole supplies the reinforcing bar to pass, and the reinforcing bar preformed hole is processed according to the interval of on-the-spot reinforcing bar.
Furthermore, a hole protection piece is arranged in the reserved hole of the steel bar.
If it is direct to pass the reinforcing bar from the reinforcing bar preformed hole in, the reinforcing bar destroys the reinforcing bar preformed hole easily, thereby lead to vertical flexible isolation or the flexible fracture destruction of keeping apart of level, set up the hole protection piece in the reinforcing bar preformed hole now, the hole protection piece can form the protection to the reinforcing bar preformed hole, avoid the reinforcing bar preformed hole to be destroyed by the reinforcing bar, and the hole protection piece can also form the shutoff to the gap between reinforcing bar preformed hole and the reinforcing bar, avoid the concrete to get into in vertical flexible isolation or the flexible isolation of level from this gap, make vertical flexible isolation or the flexible infilled wall and the shear force wall that keep apart both sides of level form rigid connection's problem.
Further, the hole protection piece includes first protection piece and the second protection piece that all is T shape, and first protection piece includes first separation blade and first sleeve pipe, and the second protection piece includes second separation blade and second sleeve pipe, and first sleeve pipe can wrap up the second sleeve pipe.
The second sleeve is inserted into the first sleeve, so that the first protection piece and the second protection piece are fixedly connected, the gap between the steel bar preformed hole and the steel bar can be blocked by the first blocking piece and the second blocking piece, and the steel bar preformed hole can be protected and blocked by the simple structure.
Furthermore, an internal thread is arranged in the first sleeve, an external thread is arranged outside the second sleeve, and the internal thread is matched with the external thread.
Through the screw-thread fit of first sleeve pipe and second sleeve pipe, can realize the better connection of first protector and second protector and fix.
Furthermore, the vertical flexible isolation and the horizontal flexible isolation both occupy the space of the filler wall.
The vertical flexible isolation and the horizontal flexible isolation do not occupy the space of the shear wall, and the length and the height of the shear wall are ensured to be unchanged, so that the integral rigidity of the outer wall is ensured.
Furthermore, the vertical flexible isolation and the horizontal flexible isolation both adopt PVC plates.
The PVC plate is cheap and is an ideal flexible isolation material.
Further, the widths of the vertical flexible isolation and the horizontal flexible isolation are both 200 mm.
The width can be adapted to the thickness of the existing building outer wall.
Further, the template of the outer wall is an aluminum alloy template.
The aluminum alloy template can form a complete system, and can complete the construction of concrete structures such as walls, columns, beams, plates, balconies, bay windows, external decorative lines and the like at one time; the aluminum alloy template has the advantages of fine abutted seam, high forming quality, good integrity and effective improvement on self-waterproof capability.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a horizontal flexible partition in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged view of the horizontal flexible insulation of FIG. 1;
fig. 3 is a transverse sectional view of the vertical flexible isolation according to the second embodiment of the present invention;
FIG. 4 is an enlarged view of the vertical flexible insulation of FIG. 3;
fig. 5 is a partial schematic view of the steel frame prepared hole in fig. 4.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the shear wall comprises a shear wall 1, a filler wall 2, a horizontal flexible isolation 3, a vertical flexible isolation 4, a steel bar preformed hole 5, a first protection piece 6, a first baffle piece 61, a first sleeve 62, a second protection piece 7, a second baffle piece 71 and a second sleeve 72.
Example one
As shown in fig. 1 and 3, the all-in-place reinforced concrete exterior wall structure for a high-rise building comprises a shear wall 1 and a filler wall 2, wherein the shear wall 1 and the filler wall 2 are both reinforced concrete structures, in this embodiment, the concrete is micro-expansion concrete, and the concrete construction formwork is a traditional wood formwork. The vertical seam position of shear force wall 1 and infilled wall 2 is filled with vertical flexible isolation 4, the horizontal seam position of shear force wall 1 and infilled wall 2 is filled with horizontal flexible isolation 3, the structure that horizontal flexible isolation 3 is shown in figure 2, the structure that vertical flexible isolation 4 is shown in figure 4, vertical flexible isolation 4 and horizontal flexible isolation 3 all adopt the PVC board, its width is 200mm, vertical flexible isolation 4 and horizontal flexible isolation 3 all occupy the space of infilled wall 2, do not occupy the space of shear force wall 1, with the length and the height of guaranteeing shear force wall 1 unchangeable, thereby guarantee outer wall bulk stiffness.
All seted up reinforcing bar preformed hole 5 on vertical flexible isolation 4 and the flexible isolation 3 of level, reinforcing bar preformed hole 5 processes according to the interval of on-the-spot reinforcing bar. Be equipped with the hole protection piece in the reinforcing bar preformed hole 5, the structure of hole protection piece is as shown in fig. 5, the hole protection piece is including first protection piece 6 and the second protection piece 7 that all is T shape, first protection piece 6 includes first separation blade 61 and first sleeve pipe 62, second protection piece 7 includes second separation blade 71 and second sleeve pipe 72, first sleeve pipe 62 and second sleeve pipe 72 pass reinforcing bar preformed hole 5, and first sleeve pipe 62 can wrap up second sleeve pipe 72, be equipped with the internal thread in the first sleeve pipe 62, second sleeve pipe 72 is equipped with the external screw thread outward, internal thread and external screw thread fit, screw-thread fit through first sleeve pipe 62 and second sleeve pipe 72, can realize the connection between first protection piece 6 and the second protection piece 7 fixed. Glue injection holes 8 are formed in the first blocking piece 61 and the second blocking piece 71, and the glue injection holes 8 are communicated with the first sleeve 62 or the second sleeve 72. After the steel bars pass through the first sleeve 62 and the second sleeve 72, structural adhesive (or mortar or fine aggregate concrete) is injected into the glue injection hole 8, the structural adhesive enters the first sleeve 62 and the second sleeve 72, and gaps between the steel bars and the first sleeve 62 and the second sleeve 72 are blocked. When wearing the reinforcing bar, the reinforcing bar passes in following the hole protection piece, the hole protection piece can form the protection to reinforcing bar preformed hole 5, avoid reinforcing bar preformed hole 5 to be destroyed by the reinforcing bar, and the hole protection piece can also form the shutoff to the gap between reinforcing bar preformed hole 5 and the reinforcing bar, avoid the concrete to get into in vertical flexible isolation 4 or the flexible 3 of keeping apart of level from this gap, make vertical flexible isolation 4 or the flexible infilled wall 2 and the shear force wall 1 that keeps apart 3 both sides of level form rigid connection's problem.
The utility model discloses a reinforced concrete structure's infilled wall 2 replaces traditional brickwork infilled wall, and infilled wall 2 and shear force wall 1 are reinforced concrete structure promptly, and whole outer wall can adopt full cast-in-place construction mode. However, the reinforced concrete full cast-in-place outer wall has the characteristic that the tensile strength is low due to the self-property of the concrete, the outer wall can generate the effects of thermal expansion and cold contraction under the sun and rain, and the temperature effect can cause the concrete to generate tensile micro cracks. After the concrete material is poured, the concrete material can shrink, and the shrinkage crack of the concrete wall can be caused by the shrinkage effect.
The horizontal and vertical flexible isolation 4 is arranged on the outer wall, so that the filler wall 2 is separated from the shear wall 1 with high structural rigidity, and the shear damage caused by the restraint of the filler wall 2 can be avoided.
Namely, the vertical flexible isolation 4 is used for dividing the concrete infilled wall 2 and the left and right shear walls 1; the horizontal flexible isolation 3 is used for separating the concrete infilled wall 2 from the upper and lower structural beams (or structural slabs). The vertical flexible isolation 4 and the horizontal flexible isolation 3 have the main functions of isolating the shear wall 1 and the filler wall 2, realizing indirect connection of the shear wall 1 and the filler wall 2, avoiding rigid connection of the shear wall 1 and the filler wall 2, achieving the purposes of not increasing the rigidity of the shear wall 1, ensuring reasonable integral rigidity of an outer wall structure, reducing the influence of wall cracking on a main structure during earthquake, and realizing the purpose of finishing the one-step pouring of the outer wall.
The utility model discloses an outer wall adopts full cast-in-place structure, has following advantage:
firstly, improved structural integrity, be favorable to the structure antidetonation, resist vibration and explosion shock wave, after the form removal, the concrete texture is even, and the impression is good, favourable promotion brand image.
And secondly, the risk of water leakage of the outer wall is reduced, the self-waterproof and anti-permeability capabilities are realized due to the compactness of the concrete, the linear expansion coefficient difference between the reinforced concrete and the aerated concrete masonry is large, the reinforced concrete filler wall 2 and the shear wall 1 are made of the same material, the large difference caused by thermal expansion and cold contraction of different materials is reduced, the two different materials can be prevented from generating large stress, the wall body crack is prevented from being generated, and the anti-permeability performance of the structure is improved.
And thirdly, in the aspect of field construction management, reinforced concrete is used as the filling wall 2, the outer wall can be poured at one time, meanwhile, the cross construction of all working procedures is reduced, the plastering-free outer wall is realized, and thus, the construction period is greatly saved.
Example two
The difference between this embodiment and the first embodiment is: the concrete formwork of the outer wall in the embodiment is an aluminum alloy formwork.
The aluminum alloy template can form a complete system, and can complete the construction of concrete structures such as walls, columns, beams, plates, balconies, bay windows, external decorative lines and the like at one time; the aluminum alloy template has the advantages of fine abutted seam, high forming quality, good integrity and effective improvement on self-waterproof capability.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The full cast-in-place reinforced concrete outer wall structure for the high-rise building comprises a shear wall and a filler wall, and is characterized in that: the shear wall and the filler wall are both of reinforced concrete structures, vertical flexible isolation is filled at the vertical joint position of the shear wall and the filler wall, and horizontal flexible isolation is filled at the horizontal joint position of the shear wall and the filler wall.
2. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 1, wherein: and reinforcing steel bar preformed holes are formed in the vertical flexible isolation and the horizontal flexible isolation.
3. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 2, wherein: and a hole protection piece is arranged in the steel bar preformed hole.
4. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 3, wherein: the hole protection piece comprises a first protection piece and a second protection piece which are T-shaped, the first protection piece comprises a first separation blade and a first sleeve, the second protection piece comprises a second separation blade and a second sleeve, and the first sleeve can wrap the second sleeve.
5. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 4, wherein: the first sleeve is internally provided with an internal thread, the second sleeve is externally provided with an external thread, and the internal thread is matched with the external thread.
6. The high-rise building cast-in-place reinforced concrete exterior wall structure according to any one of claims 1 to 5, wherein: and the vertical flexible isolation and the horizontal flexible isolation both occupy the space of the filler wall.
7. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 6, wherein: and the vertical flexible isolation and the horizontal flexible isolation are both made of PVC plates.
8. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 6, wherein: the widths of the vertical flexible isolation and the horizontal flexible isolation are both 200 mm.
9. The high-rise building cast-in-place reinforced concrete exterior wall structure according to claim 1, wherein: the template of the outer wall is an aluminum alloy template.
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| CN201921486906.3U CN211114215U (en) | 2019-09-06 | 2019-09-06 | Full cast-in-place reinforced concrete outer wall structure of high-rise building |
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| CN201921486906.3U CN211114215U (en) | 2019-09-06 | 2019-09-06 | Full cast-in-place reinforced concrete outer wall structure of high-rise building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081272A (en) * | 2020-09-11 | 2020-12-15 | 中国建筑一局(集团)有限公司 | Outer wall full-shear structure and construction process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112081272A (en) * | 2020-09-11 | 2020-12-15 | 中国建筑一局(集团)有限公司 | Outer wall full-shear structure and construction process thereof |
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