CN221297985U - Waterproof construction of construction joint of multilayer basement outer wall in steel reinforced concrete column foot department - Google Patents
Waterproof construction of construction joint of multilayer basement outer wall in steel reinforced concrete column foot department Download PDFInfo
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- CN221297985U CN221297985U CN202322459990.2U CN202322459990U CN221297985U CN 221297985 U CN221297985 U CN 221297985U CN 202322459990 U CN202322459990 U CN 202322459990U CN 221297985 U CN221297985 U CN 221297985U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 87
- 239000010959 steel Substances 0.000 title claims abstract description 87
- 238000010276 construction Methods 0.000 title claims abstract description 66
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 33
- 239000004567 concrete Substances 0.000 claims abstract description 51
- 238000012946 outsourcing Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 13
- 238000005336 cracking Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a construction joint waterproof structure of a multilayer basement outer wall at a column foot of a steel reinforced concrete column, wherein a construction joint (10) is arranged at a joint of the basement outer wall (11) and the steel reinforced concrete column (2), the basement outer wall (11) is disconnected at the construction joint (10), an outsourcing concrete (12) is arranged outside the construction joint (10), and a water stop strip (1) in the basement outer wall (11) is bent into the outsourcing concrete (12) and pulled through; peripheral lacing wires (6) are arranged in the outsourcing concrete (12) and extend into the basement outer wall (11), the steel rib columns (2) and the basement frame beams (3). Compared with the prior art, the cantilever type outer wrapping structure can be applied to the middle floors of the multi-layer basement outer wall, effectively blocks a water seepage path, enhances the waterproof effect of the basement outer wall, meets the requirement of preventing leakage of the junction part of the basement outer wall and the steel rib column, and simultaneously ensures stable stress of the cantilever type outer wrapping structure in the construction process and the finished use process.
Description
Technical Field
The utility model belongs to the technical field of structural design and construction, and relates to a construction joint waterproof structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column.
Background
In the background of the vast spread of assembled and green buildings in the country, steel structure projects have been increasingly large in terms of ratio, and steel columns or steel reinforced concrete columns are adopted in various structures with their excellent performances. When the upper structure is a steel column and the lower part is a multi-layer basement, the upper steel column is usually inserted into one or more layers of underground to be changed into a steel reinforced concrete column. When the steel reinforced concrete column is positioned at the basement outer wall, the through-length water stop steel plate of the basement outer wall is blocked by the steel reinforced in the column and cannot be penetrated, and the part is easy to form a water seepage channel of the basement outer wall. When the basement is a single layer or the steel skeleton column is positioned at the bottom layer of the basement, an outsourcing concrete type water stopping method is arranged at the column foot construction joint of the steel skeleton column at the outer wall, and the outsourcing concrete is located on the foundation base plate, but the waterproof problem of the steel skeleton column construction joint of the middle floor of the basement outer wall is not solved because the foundation base plate does not serve as the support of the outsourcing concrete for the middle floor of the multi-layer basement outer wall.
The patent CN103981897A discloses a waterproof construction method of a stiff column of an outer wall of a basement, which is characterized in that a reinforced concrete waterproof knapsack with the height of 600mm and the thickness of 200mm is arranged on the outer side of the stiff column and is connected with the outer wall of the basement into a whole, the waterproof knapsack is poured twice according to the height of 300mm, when a foundation slab is constructed, the knapsack and the outer wall of the basement are turned up for the first time, and a steel plate water stop sheet is arranged in the knapsack and is communicated with a steel plate water stop sheet at a horizontal construction joint part of the outer wall; and (3) hoisting the steel column, and completing secondary concrete pouring together with the rest 300mm of the knapsack when the wall, the column, the top plate and the beam are constructed. But this patent is only applicable to foundation slab department, and when the basement was multilayer and the stiff steel column foot falls in the basement intermediate floor, because there is not foundation slab's bearing effect, this 600mm high waterproof knapsack way can't guarantee the water-proof effects of knapsack bottom surface to and the stable in structure of knapsack self in the work progress.
Disclosure of utility model
The utility model aims to overcome at least one defect in the prior art and provide a construction joint waterproof structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column, which can be applied to middle floors of the multi-layer basement outer wall, effectively block a water seepage path, enhance the waterproof effect of the basement outer wall, meet the requirement of preventing leakage at the junction of the basement outer wall and the steel reinforced column, and ensure stable stress of the overhanging type outer wrapping structure in the construction process and the finished use process.
The aim of the utility model can be achieved by the following technical scheme:
The waterproof construction joint structure comprises a plurality of layers of basement outer walls, wherein the basement outer walls are arranged at the positions of column feet of steel reinforced concrete columns, construction joints are arranged at the positions, connected with the steel reinforced concrete columns, of the basement outer walls, the basement outer walls are broken at the construction joints, outsourcing concrete is arranged outside the construction joints (on the other side of the steel reinforced concrete columns), and water stops in the basement outer walls are bent into the outsourcing concrete and pulled through;
The steel skeleton column is connected with the basement frame beam, a basement plate is arranged between the basement outer walls, peripheral lacing wires are arranged in the outsourced concrete and extend into the basement outer walls, the steel skeleton column and the basement frame beam.
Further, a first pouring area is arranged below the construction joint in the outsourcing concrete, and the first pouring area is the concrete pouring procedure of the basement outer wall;
And a second pouring area is arranged above the construction joint, and the second pouring area is used as the next concrete pouring procedure of the basement outer wall after the steel bones in the columns are installed.
Further, the basement frame beam is provided with a beam top overhanging longitudinal rib, the beam top overhanging longitudinal rib stretches into the first pouring area, and the beam top overhanging longitudinal rib bears the stress of the concrete pouring process of the basement outer wall.
Further, the basement plate is provided with plate overhanging steel bars which extend into the first pouring area, and the plate overhanging steel bars bear the stress of the concrete pouring process of the outer wall of the basement at present.
Further, peripheral lacing wires are arranged in the second pouring area and the first pouring area, the peripheral lacing wires of the second pouring area extend into the basement outer wall and the steel rib columns, the peripheral lacing wires of the first pouring area extend into the basement outer wall, the steel rib columns and the basement frame beams, and bear the internal force of outsourcing concrete together with the overhanging steel bars of the beam top, the overhanging steel bars of the slab and the like.
Further, peripheral lacing wires of the second pouring area and the first pouring area are integrally connected through welding or mechanical connection.
Further, structural anti-cracking distributed steel bars are arranged in the outer-packed concrete.
Further, the thickness of the outsourced concrete is 300-450mm.
Further, the construction joint is concave to be U-shaped at the column foot of the steel rib column, so that the column foot can be conveniently installed.
Further, the distance between the upper boundary of the outsourcing concrete and the construction joint is 300-450mm, the distance between the lower boundary of the outsourcing concrete and the bottom plate of the inner column of the construction joint is 300-450mm, and the distance between the side boundary of the outsourcing concrete and the two sides of the steel rib column at the construction joint is 300-450mm.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The utility model can be applied to the middle floors of the multi-layer basement outer wall, and the water stop steel plates of the basement outer wall can continuously pass through the local outer concrete coating structure, so that the water seepage path is effectively blocked, the waterproof effect of the basement outer wall is enhanced, and the requirement of preventing the junction part of the basement outer wall and the steel column from leaking is met;
(2) The utility model adopts overhanging type outsourcing concrete and water stop tie pull-through design at the construction joint of the steel column foot of the basement outer wall, the U-shaped construction joint required by the installation of the steel column foot is outwards expanded in the plane of the outer wall to form a rectangular area, the area is vertical to the basement outer wall and outwards forms an outsourcing concrete structure, and the water stop tie of the basement outer wall can bypass the steel column foot in the outsourcing concrete;
(3) When the concrete is poured below the construction joint, the part of the concrete-encased structure is a reliable overhanging stressed member;
(4) After the steel rib column foot is installed, pouring concrete above the construction joint, and integrally forming an outsourcing concrete structure;
(5) The cantilever type stress is realized by utilizing the beam top overhanging steel bars and the plate overhanging steel bars in the outsourcing concrete structure, and the cantilever type stress can be applied to the middle floor column foot part of the outer wall of the multilayer basement;
(6) The peripheral tie bars, the beam top overhanging steel bars and the plate overhanging steel bars bear the internal force of the outsourcing concrete structure together.
Drawings
FIG. 1 is a schematic top view of a waterproof construction joint structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column in an embodiment of the utility model;
FIG. 2 is a schematic A-A section view of a waterproof construction joint structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column in an embodiment of the utility model;
FIG. 3 is a schematic B-B cross-sectional view of a waterproof construction joint structure of a multi-layer basement exterior wall at a column foot of a steel reinforced concrete column in an embodiment of the utility model.
The figure indicates:
1-water stop, 2-steel skeleton columns, 3-basement frame beams, 4-second pouring areas, 5-first pouring areas, 6-peripheral lacing wires, 7-beam top overhanging reinforcing bars, 8-plate overhanging reinforcing bars, 9-basement plates, 10-construction joints, 11-basement outer walls, 12-outsourcing concrete, 13-construction anti-cracking distribution reinforcing bars, 14-double-sided welded joints and 15-column foot bottom plates.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used to describe a common object, merely as a representation of different instances of the same object, and are not intended to imply that the objects so described must be in a given order, whether temporally, spatially, in ranking, or in any other manner.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
A construction joint waterproof structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column is shown in fig. 1, a construction joint 10 is arranged at a joint of the basement outer wall 11 and the steel reinforced concrete column 2, the basement outer wall 11 is broken at the construction joint 10, an outer-covered concrete 12 with the thickness of 400mm is arranged outside the construction joint 10 (at the other side of the steel reinforced concrete column 2), and a water stop 1 in the basement outer wall 11 is bent into the outer-covered concrete 12 and pulled through.
As shown in fig. 2, in order to install the column foot of the steel column 2, the construction joint 10 is concave at the column foot to form a U shape, the upper boundary of the outer concrete 12 is 400mm upwards from the construction joint 10, the lower boundary of the outer concrete 12 is 400mm downwards from the column foot bottom plate 15 in the construction joint 10, and the left and right boundaries of the outer concrete 12 are 400mm leftwards and rightwards from the two sides of the steel column 2 at the construction joint 10; the first pouring area (hatched part) 5 of the outsourcing concrete 12 is positioned below the construction joint 10, and is the concrete pouring process of the basement outer wall 11 in this time; the second casting area 4 (cross hatched portion) is located above the construction joint 10, and is used as the next concrete casting process of the basement outer wall 11 after the steel bones in the column are installed.
As shown in fig. 2 and 3, when the pouring process of the basement outer wall 11 is carried out, the first pouring area 5 in the outer concrete 12 is an overhanging stress component, and the overhanging longitudinal ribs 7 (a pair is further arranged along the edge of the basement frame beam 3 in the longitudinal direction) of the roof of the basement frame beam 3 connected with the steel skeleton column 2 and the overhanging steel bars 8 (a pair is closely arranged at each part) of the basement plate 9 between the basement outer walls 11 extend into the first pouring area 5 to bear the stress of the stage; after the next pouring process of the basement outer wall 11 is implemented, peripheral lacing wires 6 of the second pouring area 4 and the first pouring area 5 in the outsourcing concrete 12 are connected into a whole by adopting welding or mechanical connecting joints, in the embodiment, double-sided welding joints 14 are preferred, the peripheral lacing wires 6 of the second pouring area 4 extend into the basement outer wall 11 and the steel skeleton columns 2, the peripheral lacing wires 6 of the first pouring area 5 extend into the basement outer wall 11, the steel skeleton columns 2 and the basement frame beams 3, and jointly bear the internal force of the outsourcing concrete 12 together with the beam top outstretched steel bars 7, the plate outstretched steel bars 8 and the like; meanwhile, the outsourcing concrete 12 is provided with structural anti-cracking distribution steel bars 13 in the thickness of 400mm outwards.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The construction joint waterproof structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column is characterized in that a construction joint (10) is arranged at the joint of the basement outer wall (11) and the steel reinforced concrete column (2), the basement outer wall (11) is disconnected at the construction joint (10), an outsourcing concrete (12) is arranged outside the construction joint (10), and a water stop strip (1) in the basement outer wall (11) is bent into the outsourcing concrete (12) and pulled through;
the steel skeleton column (2) is connected with the basement frame beam (3), a basement plate (9) is arranged between basement outer walls (11), peripheral lacing wires (6) are arranged in the outsourcing concrete (12), and the outsourcing concrete stretches into the basement outer walls (11), the steel skeleton column (2) and the basement frame beam (3).
2. The construction joint waterproof structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column according to claim 1, wherein a first pouring area (5) is arranged below a construction joint (10) in the outer-covered concrete (12), and a second pouring area (4) is arranged above the construction joint (10).
3. The waterproof construction joint structure of the outer wall of the multi-layer basement at the column foot of the steel reinforced concrete column according to claim 2, wherein the basement frame beam (3) is provided with a beam top overhanging longitudinal rib (7), and the beam top overhanging longitudinal rib (7) stretches into the first pouring area (5).
4. A construction joint waterproof structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column according to claim 2, characterized in that the basement plate (9) is provided with plate overhanging steel bars (8), which plate overhanging steel bars (8) extend into the first casting area (5).
5. The construction joint waterproof structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column according to claim 2, wherein peripheral lacing wires (6) are arranged in the second pouring area (4) and the first pouring area (5), the peripheral lacing wires (6) of the second pouring area (4) extend into the basement outer wall (11) and the steel reinforced concrete column (2), and the peripheral lacing wires (6) of the first pouring area (5) extend into the basement outer wall (11), the steel reinforced concrete column (2) and the basement frame beam (3).
6. The waterproof construction joint structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column according to claim 5, wherein the second pouring area (4) and the peripheral lacing wire (6) of the first pouring area (5) are connected into a whole by adopting welding or mechanical connection.
7. The construction joint waterproof structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column according to claim 1, wherein the construction crack-resistant distribution steel bars (13) are arranged in the outsourcing concrete (12).
8. The construction joint waterproof structure of a multi-layer basement outer wall at a column foot of a steel reinforced concrete column according to claim 1, wherein the thickness of the outer-covered concrete (12) is 300-450mm.
9. The construction joint waterproof structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column according to claim 1, wherein the construction joint (10) is concave to be U-shaped at the column foot of the steel reinforced column (2).
10. The waterproof construction joint structure of the multi-layer basement outer wall at the column foot of the steel reinforced concrete column according to claim 1, wherein the distance between the upper boundary of the outer covered concrete (12) and the construction joint (10) is 300-450mm, the distance between the lower boundary and the column foot bottom plate (15) in the construction joint (10) is 300-450mm, and the distance between the side boundary and the two sides of the steel reinforced concrete column (2) at the construction joint (10) is 300-450mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322459990.2U CN221297985U (en) | 2023-09-11 | 2023-09-11 | Waterproof construction of construction joint of multilayer basement outer wall in steel reinforced concrete column foot department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322459990.2U CN221297985U (en) | 2023-09-11 | 2023-09-11 | Waterproof construction of construction joint of multilayer basement outer wall in steel reinforced concrete column foot department |
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| Publication Number | Publication Date |
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| CN221297985U true CN221297985U (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322459990.2U Active CN221297985U (en) | 2023-09-11 | 2023-09-11 | Waterproof construction of construction joint of multilayer basement outer wall in steel reinforced concrete column foot department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221297985U (en) |
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- 2023-09-11 CN CN202322459990.2U patent/CN221297985U/en active Active
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