CN221218767U - Underground diaphragm wall with expandable bottom and construction device thereof - Google Patents
Underground diaphragm wall with expandable bottom and construction device thereof Download PDFInfo
- Publication number
- CN221218767U CN221218767U CN202323015266.7U CN202323015266U CN221218767U CN 221218767 U CN221218767 U CN 221218767U CN 202323015266 U CN202323015266 U CN 202323015266U CN 221218767 U CN221218767 U CN 221218767U
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000004035 construction material Substances 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses an underground diaphragm wall with an expandable bottom, which comprises a wall body unit, wherein the left side surface and the right side surface of the wall body unit, which are close to the bottom end, are deformed to the left side and the right side respectively, and form convex ribs; the construction device for the underground continuous wall with the expandable bottom comprises a construction positioning frame, a guide pipe, a hydraulic telescopic rod and an expansion rod; the expansion rods are arranged in a left-right mirror mode, the two expansion rods in pairs are distributed in a splayed mode, opposite side ends of the expansion rods are hinged together, opposite sides of the expansion rods are hinged to the bottom of a cylinder body of the hydraulic expansion rod and the end portion of a telescopic shaft of the hydraulic expansion rod respectively, and the top of the hydraulic expansion rod is connected with a guide pipe. Compared with the prior art, the method has the advantages that: the utility model increases the vertical bearing capacity of the underground diaphragm wall, can reduce the insertion depth of the underground diaphragm wall, avoids the waste of construction materials, saves the construction cost and shortens the construction period.
Description
Technical Field
The utility model relates to the technical field of equipment for building construction, in particular to an underground diaphragm wall with an expandable bottom and a construction device thereof.
Background
In recent years, in order to cope with the high-speed development needs of cities, the development of underground space is an effective method for solving the problem of limited urban space, and in the development and construction process of underground space, the underground diaphragm wall has wide application due to the advantages of high rigidity, reliable quality and the like. In the reverse construction, the underground continuous wall is used as a supporting structure and also used as an outer wall of a basement structure, and is used as a bearing wall to bear the load of an upper structure and the dead weight.
In recent years, the requirements for the bearing of the underground diaphragm wall are continuously increased, and the existing solution means is generally a method for increasing the depth of the wall body to reach a bearing layer with higher bearing capacity, so that the consumption of construction materials is greatly increased, and resource waste is caused.
Disclosure of utility model
The utility model aims to solve the technical problems and provide an underground diaphragm wall with an expandable bottom and a construction device thereof, which are used for solving the problem of resource waste caused by the selection of increasing the depth of the wall body into soil for improving the bearing capacity of the underground diaphragm wall.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
The utility model provides a but bottom expansion's underground diaphragm wall, includes wall body unit, wall body unit is close to the left and right sides face of bottom department and warp left and right sides respectively to form the fin, wall body unit buries underground, and underground excavation has the wall body groove with wall body unit looks adaptation.
The construction device for the underground continuous wall with the expandable bottom comprises a construction positioning frame, a guide pipe, a hydraulic telescopic rod and an expansion rod; the expansion rod is provided with two pairs in a left-right mirror image mode, the two expansion rods in pairs are distributed in a splayed mode, opposite side ends are hinged together, opposite sides are hinged to the bottom of a cylinder body of the hydraulic expansion rod and the end portion of a telescopic shaft of the hydraulic expansion rod respectively, the top of the hydraulic expansion rod is connected with a guide pipe, and the top of the guide pipe is fixed to a construction locating frame installed on the ground.
Compared with the prior art, the utility model has the advantages that: the utility model increases the vertical bearing capacity of the underground diaphragm wall, can reduce the insertion depth of the underground diaphragm wall, avoids the waste of construction materials, saves the construction cost and shortens the construction period.
Drawings
Fig. 1 is a schematic view of the structure of the floor trough of the present utility model.
Fig. 2 is a schematic view of the construction of the underground diaphragm wall of the present utility model.
Fig. 3 is a schematic structural view of the construction equipment of the present utility model.
As shown in the figure: 1. a wall unit; 2. a convex rib; 3. a floor trench; 4. constructing a positioning frame; 5. a conduit; 6. a hydraulic telescopic rod; 7. an expansion rod.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.
The present utility model will be described in further detail with reference to the accompanying drawings.
The utility model provides a but bottom expansion's underground diaphragm wall, includes wall body unit 1, wall body unit 1 is close to the left and right sides face of bottom department and warp left and right sides respectively to form fin 2, the position, the size of fin 2, section number all can carry out the pertinence setting according to actual engineering soil layer characteristics, and wall body unit 1 buries underground, and underground excavation has the wall body groove 3 with wall body unit 1 looks adaptation.
The construction device of the underground diaphragm wall with the expandable bottom comprises a construction positioning frame 4, a guide pipe 5, a hydraulic telescopic rod 6 and an expansion rod 7; the expansion rod 7 is a high-strength alloy steel rod, the size of the expansion rod can be customized according to the size of the convex rib 2, two pairs of expansion rods 7 are arranged in a left-right mirror mode, the two expansion rods 7 in pairs are distributed in a splayed mode, opposite side ends of the expansion rods are hinged together, opposite sides of the expansion rods are respectively hinged to the bottom of a cylinder body of the hydraulic expansion rod 6 and the end portion of a telescopic shaft of the hydraulic expansion rod 6, the top of the hydraulic expansion rod 6 is connected with a guide pipe 5, and the top of the guide pipe 5 is fixed to a construction positioning frame 4 installed on the ground.
It should be noted that, scale marks are arranged on the top of the conduit 5 (when the expander is placed in the ground wall groove 3 to the bottom, the height of the expander placed on the conduit 5 can be accurately controlled by measuring the scale marks on the conduit 5), and a bubble level is arranged (so as to control the verticality of the conduit 5 placed on the conduit). The guide pipe 5 is formed by sequentially connecting a plurality of guide pipe monomers in a threaded mode up and down, and the specific length of the guide pipe 5 is set according to the depth of the ground wall groove. The guide pipe 5 is responsible for fixing the position and transporting and moving by the construction locating frame 4. The hydraulic telescopic rod 6 is connected with an external hydraulic oil pump through a conduit 5, and the work of the hydraulic telescopic rod 6 is controlled through the pressurization and depressurization of the hydraulic oil pump.
The embodiment is implemented in specific manner:
The construction device is uniformly provided with a plurality of expansion rods 7 along the front-back direction of the wall body unit 1, the same expansion plate is fixedly arranged on each coplanar expansion rod 7, and the expansion plates are positioned on the outer side surfaces of the expansion rods 7.
The using method comprises the following steps:
S1, after the guide wall construction is completed, carrying out grooving construction by a grooving machine, digging out a ground wall groove 3, and completing ultrasonic detection of the perpendicularity of the groove wall of the ground wall groove 3;
S2, positioning a lowering expander, connecting the guide pipes 5 section by section, and finally accurately determining the lowering height according to the scale marks;
s3, after the lower part of the expander reaches a design position, observing a bubble level, and adjusting the verticality of the guide pipe 5;
S4, starting the expander, expanding the position of the convex rib 2 in the ground wall groove 3 from left to right section by section in sequence, wherein 300-800 mm of overlapping exists between two adjacent expansion constructions;
S5, after expansion is finished, the guide pipe 5 is disassembled section by section from top to bottom, and the expander is lifted out;
S6, hanging the locking pipe, and then finishing hanging the reinforcement cage;
s7, concrete pouring is completed, and the locking notch pipe is subsequently pulled up and pulled out.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (3)
1. An expandable bottom underground diaphragm wall, its characterized in that: the wall unit (1) is buried underground, and the underground excavation has a ground wall groove (3) matched with the wall unit (1).
2. A construction apparatus for a bottom-expandable subterranean continuous wall according to claim 1, wherein: comprises a construction locating frame (4), a conduit (5), a hydraulic telescopic rod (6) and an expansion rod (7); the expansion rod (7) is provided with two pairs in a left-right mirror image mode, the two expansion rods (7) in pairs are distributed in a splayed mode, opposite side ends are hinged together, opposite sides are hinged to the bottom of a cylinder body of the hydraulic expansion rod (6) and the end portion of a telescopic shaft of the hydraulic expansion rod (6) respectively, the top of the hydraulic expansion rod (6) is connected with a guide pipe (5), and the top of the guide pipe (5) is fixed to a construction locating frame (4) installed on the ground.
3. The construction apparatus for a bottom-expandable subterranean continuous wall according to claim 2, wherein: the construction device is uniformly provided with a plurality of construction devices along the front-back direction of the wall body unit (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323015266.7U CN221218767U (en) | 2023-11-08 | 2023-11-08 | Underground diaphragm wall with expandable bottom and construction device thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323015266.7U CN221218767U (en) | 2023-11-08 | 2023-11-08 | Underground diaphragm wall with expandable bottom and construction device thereof |
Publications (1)
Publication Number | Publication Date |
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CN221218767U true CN221218767U (en) | 2024-06-25 |
Family
ID=91541688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202323015266.7U Active CN221218767U (en) | 2023-11-08 | 2023-11-08 | Underground diaphragm wall with expandable bottom and construction device thereof |
Country Status (1)
Country | Link |
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CN (1) | CN221218767U (en) |
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2023
- 2023-11-08 CN CN202323015266.7U patent/CN221218767U/en active Active
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