CN214657080U - Leakage-proof device for joint of auxiliary enclosure structure - Google Patents
Leakage-proof device for joint of auxiliary enclosure structure Download PDFInfo
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- CN214657080U CN214657080U CN202120508560.3U CN202120508560U CN214657080U CN 214657080 U CN214657080 U CN 214657080U CN 202120508560 U CN202120508560 U CN 202120508560U CN 214657080 U CN214657080 U CN 214657080U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 92
- 239000010959 steel Substances 0.000 claims abstract description 92
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 27
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an attached retaining structure kneck antiseep device sets up the I-steel between stake of triaxial stirring and the underground continuous wall, and steel-pipe pile one side is equipped with the opening, the steel-pipe pile both sides are equipped with the vortex-preventing steel sheet, set up the grooving on the attached foundation ditch, and the steel-pipe pile sets up inside the grooving, and prevents that vortex steel sheet tip supports and leans on in the grooving both sides, and I-steel one end sets up at the steel-pipe pile, and the other end passes the opening setting inside triaxial stirring stake. Through embedding the open steel pipe pile in the main structure diaphragm wall, the I-shaped steel of the main stress structure is inserted into the steel pipe pile when constructing the auxiliary enclosure structure SMW construction method pile, so that a safe and reliable interface with high strength and good tightness is formed, and the leakage at the interface is effectively avoided. Compared with a conventional interface processing mode, the anti-leakage device for the interface between the subway station main body and the auxiliary enclosure structure greatly improves the construction safety.
Description
Technical Field
The utility model belongs to the technical field of affiliated envelope kneck antiseep, and especially, relate to an affiliated envelope kneck antiseep device.
Background
In the construction of foundation pits with high underground water level, rich stratum water content and large permeability coefficient, a subway station is generally an underground negative two-layer framework, the excavation depth of the foundation pits is deep, in order to ensure the excavation safety of the foundation pits, an underground continuous wall is basically adopted as an enclosure structure, and auxiliary structures such as an entrance and an exit of a station, an air duct and the like are basically constructed by adopting SMW construction method piles for reducing the construction cost and controlling the construction cost because the excavation depth of the foundation pits is relatively shallow. Because the underground continuous wall adopts a reinforced concrete structure, the surface of most underground continuous walls is uneven and has a bulge phenomenon, the piles in the SWM construction method cannot be tightly attached to the underground continuous wall for construction, the piles in the station underground continuous wall and the auxiliary structure SMW construction method basically have about 40cm and cannot be reinforced in place, and a weak channel for leakage is formed.
Chinese patent CN 105133621 a "construction method of foundation pit bracing system and foundation pit bracing system" the utility model discloses a construct a first diaphragm wall width of cloth at main part foundation pit bracing and auxiliary foundation pit bracing overlap joint, this first diaphragm wall width of cloth and the integrative grooving of the L type transition wall width of cloth of main part foundation pit bracing can guarantee the integrality of overlap joint wall width of cloth, and this kind of structure is prevented leaking the effect relatively poor, also is difficult to construct diaphragm wall width of cloth with auxiliary foundation pit bracing overlap joint in the work progress, and the cycle of construction is also longer, is the more old prevention of seepage neglected loading construction method.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an attached envelope kneck antiseep device, solves the station main part and is the problem that the district was frequently taken place to the seepage in the foundation ditch excavation in-process with attached envelope kneck.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an I-shaped steel is arranged between a triaxial mixing pile and an underground continuous wall, a steel pipe pile is further arranged, an opening is formed in one side of the steel pipe pile, and turbulence-preventing steel plates are arranged on two sides of the steel pipe pile;
set up the grooving on the affiliated foundation ditch, the steel-pipe pile sets up inside the grooving, and prevents that vortex steel sheet tip supports and leans on the grooving both sides, and I-steel one end sets up at the steel-pipe pile, and the other end passes the opening and sets up inside triaxial mixing pile.
In the preferred scheme, a plurality of scissors reinforcing ribs are further arranged on one side of the steel pipe pile and are used for being connected with a reinforcement cage inside the underground continuous wall.
In the preferred scheme, turbulence preventing steel plate one side is equipped with the fixed muscle of level, and the fixed muscle one end of level is connected with turbulence preventing steel plate, and the other end is used for being connected with the inside steel reinforcement cage of underground continuous wall.
In the preferred scheme, one side of the shear reinforcing rib is abutted against the steel pipe pile, and two ends of the shear reinforcing rib are connected with the horizontal fixing rib.
In the preferred scheme, prevent that vortex steel sheet tip is equipped with horizontal reinforcing plate.
In a preferable scheme, the opening width of the steel pipe pile is 2-4 cm.
The utility model provides an attached retaining structure kneck antiseep device, it has that rigidity is big, sealing performance is reliable characteristics, has eliminated the high pressure and has spouted the unstable factor of stake reinforcement effect soon, overcomes not enough that exists in the current construction, has guaranteed foundation ditch excavation safety, has improved the construction work efficiency, but the wide application is in subway station rich water foundation ditch engineering. Compared with the prior art, the utility model has the advantages of as follows:
a. the underground diaphragm wall and the SMW construction method pile equipment are used for construction, extra equipment is not needed, the entrance of the jet grouting pile equipment is avoided, the construction process is optimized, and the construction cost is effectively reduced.
b. The joint of the main body of the station and the auxiliary enclosure structure is rigidly connected, so that the integrity is good, the deformation resistance is high, the stress performance of the weak part of the joint is improved, and the reliability is good.
c. The I-steel forming the pile in the SMW construction method can be inserted into the underground continuous wall to form a close-fitting structure, so that the possibility of leakage is basically eliminated, and the safety performance is greatly improved.
d. The method is suitable for most stratums except for a large amount of riprap, and has wide applicability.
e. The input I-steel can be recycled, so that the construction cost is reduced, and the energy conservation and environmental protection are facilitated.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a view of the leakage port at the interface of the enclosure of the present invention;
fig. 2 is a structure view of the utility model for preventing leakage;
FIG. 3 is a view showing the inner installation structure of the anti-seepage steel pipe pile of the present invention;
FIG. 4 is a structural view of the transverse reinforcing plate of the anti-turbulent flow steel plate of the present invention;
FIG. 5 is a structural view of the steel pipe pile of the present invention;
FIG. 6 is a structural view of a transverse reinforcing plate of the steel pipe pile of the present invention;
in the figure: an underground diaphragm wall 1; a reinforcement cage 2; a triaxial mixing pile 3; a leakage hole 4; a horizontal fixing rib 5; a scissor reinforcing rib 6; a steel pipe pile 7; an opening 701; an anti-turbulent flow steel plate 8; a lateral reinforcement plate 801; 9 parts of I-shaped steel; clay 10; forming a groove 11.
Detailed Description
Example 1
As shown in fig. 1-6, an attached enclosure structure interface leakage prevention device is characterized in that an I-shaped steel 9 is arranged between a triaxial mixing pile 3 and an underground diaphragm wall 1, a steel pipe pile 7 is further arranged, an opening 701 is arranged on one side of the steel pipe pile 7, turbulence preventing steel plates 8 are arranged on two sides of the steel pipe pile 7, a groove 11 is formed in an attached foundation pit, the steel pipe pile 7 is arranged inside the groove 11, the end portion of each turbulence preventing steel plate 8 abuts against two sides of the groove 11, one end of the I-shaped steel 9 is arranged on the steel pipe pile 7, and the other end of the I-shaped steel passes through the opening 701 and is arranged inside the triaxial mixing pile 3. The method comprises the following specific steps: when constructing station main part underground continuous wall 1, at 80cm of protrusion with affiliated structure kneck, 8 welding of vortex-preventing steel sheet are on opening steel-pipe pile 7, then fix steel-pipe pile 7 on diaphragm wall steel reinforcement cage 2, wholly transfer to the design elevation. And backfilling clay behind the anti-turbulence steel plate 8 and inside the steel pipe pile 7, and then pouring concrete. And constructing the auxiliary building enclosure triaxial mixing pile 3, and inserting I-shaped steel in time.
Through embedding the open steel pipe pile 7 in the main structure diaphragm wall, the I-shaped steel 9 of the main stress structure is inserted into the steel pipe pile 7 when constructing the auxiliary enclosure structure SMW construction method pile, so that a safe and reliable interface with high strength and good tightness is formed, and the leakage at the interface is effectively avoided. Compared with the conventional interface processing mode, the anti-seepage device for the interface of the main body and the auxiliary enclosure structure of the subway station greatly improves the construction safety,
in the preferred scheme, a plurality of scissors reinforcing ribs 6 are further arranged on one side of the steel pipe pile 7, and the scissors reinforcing ribs 6 are used for being connected with the reinforcement cage 2 inside the underground continuous wall 1. The shear reinforcing ribs 6 support the position of the steel pipe pile 7, so that the steel pipe pile 7 cannot be displaced.
In the preferred scheme, 8 one sides of vortex preventing steel sheet are equipped with horizontal fixed muscle 5, and 5 one end of horizontal fixed muscle is connected with vortex preventing steel sheet 8, and the other end is used for being connected with 1 inside steel reinforcement cage 2 of underground continuous wall. The horizontal fixing ribs 5 support the turbulence preventing steel plates 8 and the steel pipe piles 7 at the same time.
In the preferred scheme, one side of the shear reinforcing rib 6 is abutted against the steel pipe pile 7, and two ends of the shear reinforcing rib 6 are connected with the horizontal fixing rib 5. As shown in the structure of figure 3, the shear reinforcing ribs 6 lean against the steel pipe pile 7, and the two ends of the shear reinforcing ribs are welded with the horizontal fixing ribs 5, so that the overall structure is more temperature-resistant.
In a preferred scheme, the end of the turbulence preventing steel plate 8 is provided with a transverse reinforcing plate 801. The transverse reinforcing plate 801 is adopted on special ground, for example, sand ground or soft mud ground, the structure of the transverse reinforcing plate 801 can be adopted, and the position of the steel pipe pile 7 is more stable.
Preferably, the width of the opening 701 of the steel pipe pile 7 is 2-4 cm. The scheme is preferably 3 cm.
Example 2
To further explain with the embodiment 1, the reinforcement cage 2 of the underground diaphragm wall 1 is processed according to the design drawing as shown in fig. 1-6, and the horizontal fixing bar 5 is welded on the reinforcement cage 2,
then opening the steel pipe pile 7 in a factory, wherein the width of the opening 701 is 2-4cm, the opening width is consistent, the line shape is straight, the depth of the steel pipe pile 7 is 0.2-1m longer than that of the grooving 11, anti-turbulence steel plates 8 are welded on two sides of the steel pipe pile 7, the thickness of each steel plate is 0.8-1.5cm, and the width of each steel plate is 0.8-1.6cm larger than the size of the grooving.
The steel pipe pile 7 is welded and fixed on the reinforcement cage 2 through the horizontal fixing ribs 5 and the shear reinforcing ribs 6 to form a whole, so that the integral stability of the steel pipe pile is ensured, and the rigidity is increased.
And (3) carrying out grooving 11 construction on the underground diaphragm wall according to a design drawing, controlling the length of the grooving 11 in the direction vertical to the foundation pit, and installing the reinforcement cage 2 in place after the grooving 11 reaches a designed elevation and hole cleaning is finished.
Prevent 2 behind one's back and inside backfill clay 10 of steel-pipe pile 7 at vortex steel sheet 8, prevent that concrete vortex from leading to follow-up I-steel unable the inserting behind one's back or filling to steel-pipe pile 7 in, then pour underground continuous wall concrete, prevent that concrete vortex from leading to follow-up I-steel 9 unable the inserting behind one's back or filling to steel-pipe pile 7 in, then pour underground continuous wall concrete.
When the auxiliary structure has construction conditions, firstly constructing a three-axis stirring pile 3 tightly abutting against the diaphragm wall, then inserting the I-steel 9 with the length of 700 multiplied by 300 multiplied by 13 multiplied by 24mm into the joint by using a vibration hammer, wherein the length of the I-steel inserted into the steel pipe pile is preferably 340 plus 360mm, strictly controlling the verticality of the I-steel 9 in the construction process, effectively ensuring the integrity and close adhesion uniformity of the opening 701 of the steel pipe pile and increasing the impermeability.
After the strength of the mixing pile reaches the design requirement, foundation pit excavation construction can be carried out, and the I-shaped steel 9 is pulled out and recovered after the construction of the auxiliary main body structure is completed, so that the cost is reduced.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (6)
1. The utility model provides an attached envelope kneck antiseep device which characterized by: i-shaped steel (9) is arranged between the triaxial mixing pile (3) and the underground continuous wall (1), a steel pipe pile (7) is further arranged, an opening (701) is formed in one side of the steel pipe pile (7), and anti-turbulence steel plates (8) are arranged on two sides of the steel pipe pile (7);
set up ready groove (11) on the affiliated foundation ditch, steel-pipe pile (7) set up inside ready groove (11), and prevent that vortex steel sheet (8) tip supports and leans on ready groove (11) both sides, and I-steel (9) one end sets up at steel-pipe pile (7), and the other end passes opening (701) and sets up inside triaxial mixing pile (3).
2. An attached enclosure interface leak-proof apparatus as claimed in claim 1, wherein: one side of the steel pipe pile (7) is also provided with a plurality of shear reinforcing ribs (6), and the shear reinforcing ribs (6) are used for being connected with the reinforcement cage (2) inside the underground continuous wall (1).
3. An attached enclosure interface leak-proof apparatus as claimed in claim 1, wherein: and one side of the turbulence preventing steel plate (8) is provided with a horizontal fixing rib (5), one end of the horizontal fixing rib (5) is connected with the turbulence preventing steel plate (8), and the other end of the horizontal fixing rib is used for being connected with a steel reinforcement cage (2) inside the underground continuous wall (1).
4. An attached enclosure interface leak-proof apparatus as claimed in claim 3, wherein: one side of the shear reinforcing rib (6) is abutted against the steel pipe pile (7), and two ends of the shear reinforcing rib (6) are connected with the horizontal fixing rib (5).
5. An attached enclosure interface leak-proof apparatus as claimed in claim 3, wherein: the end part of the turbulence preventing steel plate (8) is provided with a transverse reinforcing plate (801).
6. An attached enclosure interface leak-proof apparatus as claimed in claim 1, wherein: the width of an opening (701) of the steel pipe pile (7) is 2-4 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508560.3U CN214657080U (en) | 2021-03-10 | 2021-03-10 | Leakage-proof device for joint of auxiliary enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508560.3U CN214657080U (en) | 2021-03-10 | 2021-03-10 | Leakage-proof device for joint of auxiliary enclosure structure |
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| Publication Number | Publication Date |
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| CN214657080U true CN214657080U (en) | 2021-11-09 |
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| CN202120508560.3U Active CN214657080U (en) | 2021-03-10 | 2021-03-10 | Leakage-proof device for joint of auxiliary enclosure structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075252A (en) * | 2021-03-10 | 2022-09-20 | 中交二航局成都城市建设工程有限公司 | Leakage-proof device at joint of auxiliary enclosure structure and construction method thereof |
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2021
- 2021-03-10 CN CN202120508560.3U patent/CN214657080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075252A (en) * | 2021-03-10 | 2022-09-20 | 中交二航局成都城市建设工程有限公司 | Leakage-proof device at joint of auxiliary enclosure structure and construction method thereof |
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Address after: No.8, unit 1, building 1, No.57, community main street, Xinglong Town, Tianfu New District, Chengdu, Sichuan 610200 Patentee after: CCCC Second Harbor Engineering Co.,Ltd. (Chengdu) Address before: 610000 floor 31, CCCC International Center, Shuangliu District, Chengdu, Sichuan Patentee before: CCCC SHEC CHENGDU URBAN CONSTRUCTION ENGINEERING CO.,LTD. |