CN216865209U - Steel reinforcement cage and cofferdam construction structures - Google Patents
Steel reinforcement cage and cofferdam construction structures Download PDFInfo
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- CN216865209U CN216865209U CN202220485445.3U CN202220485445U CN216865209U CN 216865209 U CN216865209 U CN 216865209U CN 202220485445 U CN202220485445 U CN 202220485445U CN 216865209 U CN216865209 U CN 216865209U
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Abstract
The utility model discloses a steel reinforcement cage and a cofferdam construction structure, wherein the steel reinforcement cage comprises: the cage body is formed by five steel bar surfaces, and each steel bar surface comprises four transverse bars distributed at intervals and four vertical bars distributed at intervals; and a lifting ring is fixedly connected to the face opposite to the vertical steel bar. Cofferdam construction structures includes: a reinforcement cage; the sand bags are internally wrapped with sand, the sand bags are overlapped on the reinforcement cage at intervals in layers, and a gap for installing the waterproof geotextile A is formed in the middle of the overlapped sand bags in the reinforcement cage. The sand bag wraps the grit earlier in advance, then the layering interval overlaps in the steel reinforcement cage to can hoist to the stereoplasm soil layer or the rock layer of dividing the piece district construction area through rings and carry out the construction of constituting the cofferdam fast, satisfy and carry out the construction area earlier and do not receive other adjacent region silt, muddy water influence, make silt, muddy water between the piece district by the construction of quick interval, solved the on-the-spot problem that can not form the cofferdam fast and apply that extracts sand and blow into in the sand bag of blowing.
Description
Technical Field
The utility model relates to a reinforcement cage and a cofferdam construction structure, and belongs to the technical field of cofferdam construction.
Background
When some deep foundation pit projects (Yujinyuan projects in Guiyang Happy world of Guizhou) are constructed, underground water is abundant, the geological conditions are complex, a large amount of silt and muddy water are generated in the construction processes of earth and stone excavation, pile foundation and independent foundation, during deep foundation pit dewatering and drainage and subsequent process construction, the construction needs to be carried out by dividing the areas, in order to meet the requirement that the construction area is not influenced by silt and muddy water of other adjacent areas, a reinforcing cage needs to be used for quickly forming cofferdams between the adjacent construction areas, and therefore the silt and muddy water between the areas are quickly spaced for construction.
In an inland river sand-blowing cofferdam with Chinese patent publication No. CN206570826U, the adopted technical scheme is as follows: a front row sand blowing bag and a rear row sand blowing bag are respectively arranged in a cofferdam reinforcement cage, a mortar pump blows mortar into a first front row sand blowing bag through a sand blowing pipe and a sand inlet on the sand blowing bag, the mortar pump blows the mortar into the first front row sand blowing bag through the sand blowing pipe and the sand inlet to enable the first front row sand blowing bag to be bulged and sink to the river bottom, then sand blowing of a second front row sand blowing bag is carried out, and an impermeable soil layer is arranged between two rows of sand blowing bag walls, so that the cofferdam is constructed; although mortar is blown into the sand blowing bags in the reinforcement cages, a plurality of reinforcement cages can form a cofferdam; however, since the sand is extracted and blown into the sand blowing bag on site, the cofferdam cannot be quickly formed on the construction site of the silt and muddy water which are lack of the mortar and need to quickly form the cofferdam.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reinforcement cage.
The utility model also provides a cofferdam construction structure.
The utility model is realized by the following technical scheme.
The utility model provides a reinforcement cage, comprising: the cage comprises five steel bar surfaces consisting of a horizontal steel bar surface and four vertical steel bar surfaces, wherein contact ends of the five steel bar surfaces are mutually and fixedly connected to form a cage body with an upward opening;
and a lifting ring is fixedly connected to the face opposite to the vertical steel bar.
The contact ends of the five steel bar surfaces are welded, fixed and connected with each other to form a cage body with an upward opening.
And each vertical rib is fixedly connected with the transverse rib in a welding manner.
The hanging ring is fixedly connected between the vertical bars on the two outer side edges of the opposite vertical steel bar surfaces in a welding mode.
The lifting ring is fixedly welded to the bottom of the horizontal steel bar surface from one vertical steel bar surface, and then the lifting ring is fixedly welded to the opposite position of the opposite vertical steel bar surface and fixedly welded to the lifting ring.
The transverse ribs positioned in the middle are round steel with the diameter phi of 18mm, and the rest transverse ribs, the rest vertical ribs and the hanging ring ribs are round steel with the diameter phi of 20 mm.
The utility model relates to a cofferdam construction structure, which comprises:
a reinforcement cage;
the sand bags are filled with gravels, the sand bags are overlapped on the reinforcement cage at intervals in layers, and a gap for installing the waterproof geotextile A is formed in the middle of the sand bags overlapped in the reinforcement cage.
And the inner surface of the reinforcement cage is provided with waterproof geotextile B before the sand bags are overlapped and installed.
The utility model has the beneficial effects that: the sand bag wraps the gravel in advance, then the layering interval overlaps in the steel reinforcement cage to can carry out the construction of constituting the cofferdam fast through rings hoist to the stereoplasm soil layer or the rock layer of dividing the section construction area, satisfy and carry out the construction area earlier and do not receive other adjacent region silt, the muddy water influence, make silt, the muddy water between the section by the quick spaced apart construction, solved the problem that the scene extraction sand blows and can not form the cofferdam fast and apply in the sand bag.
Drawings
FIG. 1 is a schematic structural view of the reinforcement cage of the present invention;
FIG. 2 is a schematic view of the reinforcement cage of the present invention installed with sand bags on a hard soil layer or a rock layer;
in the figure: 1-a reinforcement cage; 11-transverse ribs; 12-each vertical rib; 13-a hoisting ring; 14-hanging ring ribs; 2-sand bag; 3-waterproof geotextile A; 4-waterproof geotextile B; 5-hard soil layer or rock layer.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-2.
The utility model relates to a reinforcement cage 1, comprising: the cage is characterized in that a horizontal steel bar face and four vertical steel bar faces are formed into five steel bar faces, contact ends of the five steel bar faces are mutually welded and fixedly connected to form a cage body with an upward opening, each steel bar face comprises four transverse bars 11 distributed at intervals and four vertical bars 12 distributed at intervals, and each vertical bar 12 is fixedly connected with the transverse bars 11 in a welding mode.
And lifting rings 13 are fixedly connected between the vertical ribs 12 on the two outer side edges of the relatively vertical steel bar surface in a welding manner, so that a tower crane or a crane can conveniently lift and install the steel bar cage 1 through the lifting rings 13.
In order to improve the bearing performance of the hanging ring 13, the hanging ring rib 14 is further included, the hanging ring rib 14 is fixedly welded to the bottom of the horizontal reinforcing steel bar face from one vertical reinforcing steel bar face in a sticking mode, and then the hanging ring 13 fixedly welded to the opposite position of the opposite vertical reinforcing steel bar face is fixedly welded with the hanging ring rib in the sticking mode.
The transverse ribs 11 in the middle are round steel with phi 18mm, and the rest of the transverse ribs 11, the vertical ribs 12 and the suspension ring ribs 14 are round steel with phi 20 mm.
The utility model relates to a cofferdam construction structure, which comprises:
a reinforcement cage 1;
the sand bags 2 are internally wrapped with sand, the sand bags 2 are overlapped on the reinforcement cage 1 at intervals in layers, and a gap for installing waterproof geotextile A3 is formed in the middle of the overlapped sand bags 2 in the reinforcement cage 1.
The inner surface of the steel reinforcement cage 1 is provided with waterproof geotextile B4 before the sand bags 2 are overlapped, so that sand of the sand bags 2 is prevented from being scattered, and a good waterproof effect is achieved.
The working principle is as follows: the sand bags 2 are wrapped with sand in advance, then are overlapped in the reinforcement cage 1 in a layering and interval mode, can be hoisted to a hard soil layer or a rock layer 5 for dividing the construction area of the block area through the hoisting rings 13 to carry out cofferdam construction quickly, the requirement that the construction area is carried out firstly is met, the influence of sludge and muddy water of other adjacent areas is avoided, the sludge and muddy water between the block areas are constructed in a rapid and interval mode, and the problem that the cofferdam construction cannot be formed quickly when the sand bags are blown into the sand blowing bags in the field in an extraction mode is solved.
Claims (8)
1. Reinforcement cage (1), characterized in that it comprises: the cage is characterized in that the cage comprises five steel bar surfaces consisting of a horizontal steel bar surface and four vertical steel bar surfaces, contact ends of the five steel bar surfaces are fixedly connected with each other to form a cage body with an upward opening, each steel bar surface comprises four transverse bars (11) distributed at intervals and four vertical bars (12) distributed at intervals, and each vertical bar (12) is fixedly connected with the transverse bar (11);
and a hanging ring (13) is fixedly connected to the relatively vertical steel bar surface.
2. The reinforcement cage of claim 1, wherein: the contact ends of the five steel bar surfaces are welded, fixed and connected with each other to form a cage body with an upward opening.
3. The reinforcement cage of claim 1, wherein: each vertical rib (12) is fixedly connected with the transverse rib (11) in a welding mode.
4. The reinforcement cage of claim 1, wherein: the hanging ring (13) is fixedly connected between the vertical bars (12) at the two outer sides of the relatively vertical steel bar surface in a welding mode.
5. The reinforcement cage of claim 4, wherein: the lifting ring is characterized by further comprising a lifting ring rib (14), wherein the lifting ring rib (14) is fixedly welded to the bottom of the horizontal steel bar face from one vertical steel bar face in a sticking mode, and then the lifting ring (13) fixedly welded to the opposite position of the opposite vertical steel bar face is fixedly welded with the lifting ring rib in a sticking mode.
6. The reinforcement cage of claim 5, wherein: the transverse ribs (11) positioned in the middle are round steel with the diameter phi of 18mm, and the rest transverse ribs (11), the rest vertical ribs (12) and the hanging ring ribs (14) are round steel with the diameter phi of 20 mm.
7. A cofferdam construction structure comprising:
a reinforcement cage (1) according to any of claims 1 to 6;
the sand bags (2) are internally wrapped with sand, the sand bags (2) are overlapped on the reinforcement cage (1) at intervals in a layered mode, and a gap for installing the waterproof geotextile A (3) is formed in the middle of the sand bags (2) overlapped in the reinforcement cage (1).
8. A cofferdam construction structure as recited in claim 7, wherein: and the inner surface of the reinforcement cage (1) is provided with waterproof geotextile B (4) before the sand bags (2) are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220485445.3U CN216865209U (en) | 2022-03-02 | 2022-03-02 | Steel reinforcement cage and cofferdam construction structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220485445.3U CN216865209U (en) | 2022-03-02 | 2022-03-02 | Steel reinforcement cage and cofferdam construction structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216865209U true CN216865209U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220485445.3U Active CN216865209U (en) | 2022-03-02 | 2022-03-02 | Steel reinforcement cage and cofferdam construction structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216865209U (en) |
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2022
- 2022-03-02 CN CN202220485445.3U patent/CN216865209U/en active Active
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