CN211898417U - Construction structure based on cutter-suction type ground is wall local to replace campshed and is strutted - Google Patents
Construction structure based on cutter-suction type ground is wall local to replace campshed and is strutted Download PDFInfo
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- CN211898417U CN211898417U CN201922329169.2U CN201922329169U CN211898417U CN 211898417 U CN211898417 U CN 211898417U CN 201922329169 U CN201922329169 U CN 201922329169U CN 211898417 U CN211898417 U CN 211898417U
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Abstract
The utility model relates to a construction structure based on a cutter suction type ground connecting wall local replacement row pile support, which comprises a pipeline suspension protection structure and a pipeline outer steel reinforcement cage; the pipeline suspension protection structure comprises lattice columns on two transverse sides of a pipeline, a transverse I-shaped steel platform is arranged at the top of each lattice column, a longitudinal steel truss is arranged above each I-shaped steel platform, upper I-shaped steels which are arranged in parallel along the longitudinal direction are arranged above each steel truss, lower I-shaped steels which are positioned below the pipeline are suspended on two transverse sides of the upper I-shaped steel through a chain block, and the pipeline is positioned above the lower I-shaped steel. The utility model discloses the local row of replacing pile is strutted, suspends the pipeline in midair through the steel truss, and the dive bores the reverse circulation grooving of gas lift, and the steel reinforcement cage divides two sections processing then with public female form butt joint, pours the concrete finished wall to reach the unable pipeline position foundation ditch that changes that moves of luxurious highway section in the city and can normally the confined purpose.
Description
Technical Field
The utility model belongs to the technical field of foundation ditch engineering, concretely relates to based on cutter-suction type ground is wall local to be replaced construction structures that row pile was strutted.
Background
Subway construction is often in the busy highway section in city, and peripheral pipeline is numerous, and most pipeline can move temporarily or permanently to change to the subway construction influence scope outside, but also some important pipeline often can't move and change (like 220KV electric power pipe ditch) to pipeline diameter or width are great, and under this condition, ordinary row stake pore-forming or ground wall grooving equipment meets the pipeline that can't move and change, causes unable closed foundation ditch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a based on cutter-suction type ground is wall local replaces the construction structures that the campshed was strutted, and the local campshed that replaces is strutted, suspends the pipeline in midair through the steel truss, and the dive bores the reverse circulation grooving of gas lift, and the steel reinforcement cage divides two sections processing then with the butt joint of public female form, pours the concrete and becomes the wall to reach the unable confined purpose that changes pipeline position foundation ditch in flourishing highway section in the city.
The utility model discloses the technical scheme who adopts does:
the utility model provides a construction structures based on cutter-suction type ground is wall local to replace campshed and is strutted which characterized in that:
the device comprises a pipeline suspension protection structure and a pipeline external reinforcement cage;
the pipeline suspension protection structure comprises lattice columns on two transverse sides of a pipeline, a transverse I-shaped steel platform is arranged at the top of each lattice column, a longitudinal steel truss is arranged above each I-shaped steel platform, upper I-shaped steels arranged in parallel along the longitudinal direction are arranged above each steel truss, lower I-shaped steels located below the pipeline are suspended on two transverse sides of the upper I-shaped steel through a chain block upper hanging piece, a chain block and a chain block lower hanging piece, and the pipeline is located above the lower I-shaped steel.
The outer reinforcement cage of pipeline includes left side reinforcement cage and the right side reinforcement cage of the horizontal both sides of pipeline, merges the butt joint to the pipeline center.
The two end parts of the steel truss are fixed on the hardened ground, the middle of the steel truss is fixed at the top of the I-shaped steel platform, and the hardened ground and the top of the I-shaped steel platform are located at the same elevation.
The two ends of a steel truss are fixed on a hardened ground, after the middle of the steel truss is fixed on the top of an I-shaped steel platform, hanging parts on inverted chains are hung on the two transverse sides of the I-shaped steel respectively, the inverted chains penetrate through inverted chain holes of the hanging parts, after soil bodies are excavated downwards from the ground to the top of a pipeline and covered soil on the two sides of the pipeline is removed, a narrow soil groove is excavated at the bottom of the pipeline and penetrates through I-shaped steel, the inverted chain hanging parts are installed on the two transverse sides of the I-shaped steel at the moment, the inverted chains penetrate through the inverted chain holes of the inverted chain hanging parts, the inverted chains are closed, the I-shaped steel is leveled to the same elevation by the inverted chains, the suspension protection work of the pipeline is finished, and after the.
The utility model has the advantages of it is following:
the utility model provides a neotype design theory has richened current pore-forming (grooving) technology, has widened foundation ditch confined design, has higher economic benefits and social, has extensive application prospect in engineering foundation ditch such as urban rail transit, railway, highway.
Drawings
FIG. 1 is a schematic longitudinal section of a pipeline suspension.
Figure 2 is a schematic cross-sectional view of a pipeline suspension.
Fig. 3 is a cross-sectional view of the chain hoist.
Fig. 4 is a schematic diagram of a drill work track.
Fig. 5 is a schematic diagram of the construction of a submerged drill grooving.
Fig. 6 is a schematic diagram of reinforcement cage docking.
In the figure, 1-steel truss, 2-lattice column, 3-I-steel platform, 4-pipeline, 5-lower I-steel, 6-upper I-steel, 7-inverted chain, 8-inverted chain upper hanger, 9-inverted chain lower hanger, 10-hardened ground, 11-guide wall, 12-auxiliary wall, 13-working track, 14-guniting guide pipe, 15-pilot guide groove, 16-submerged drill, 17-air pipe, 18-left reinforcement cage, 19-right reinforcement cage, 20-integral reinforcement cage and 21-ground connecting wall.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The utility model relates to a construction structures based on formula ground is wall local to be replaced campshed and is strutted even to cutter-suction, suspend protection architecture and pipeline outer steel reinforcement cage in midair including the pipeline. The pipeline suspension protection structure comprises lattice columns 2 on two transverse sides of a pipeline 4, a transverse I-shaped steel platform 3 is arranged at the top of each lattice column 2, a longitudinal steel truss 1 is arranged above each I-shaped steel platform 3, upper I-shaped steels 6 arranged in parallel along the longitudinal direction are arranged above each steel truss 1, lower I-shaped steels 5 located below the pipeline 4 are suspended on two transverse sides of the upper I-shaped steels 6 through inverted chain upper hanging pieces 8, inverted chains 7 and inverted chain lower hanging pieces 9, and the pipeline 4 is located above the lower I-shaped steels 5. The external reinforcement cage of the pipeline comprises a left reinforcement cage 18 and a right reinforcement cage 19 on the two transverse sides of the pipeline 4, and the left reinforcement cage and the right reinforcement cage are merged and butted towards the center of the pipeline 4.
The two ends of a steel truss 1 are fixed on a hardened ground 8, after the middle of the steel truss 1 is fixed on the top of an I-steel platform 3, two sides of the transverse direction of an I-steel 6 are respectively hung with a chain block upper hanging piece 8, a chain block passes through a chain block hole of the upper hanging piece 8, after soil is excavated downwards from the ground to the top and two sides of a pipeline 4 are removed, a narrow soil groove is dug at the bottom of the pipeline 4 to pass through a lower I-steel 5, the chain block lower hanging pieces 9 are installed at two sides of the transverse direction of the lower I-steel 5, then the chain block 7 passes through the chain block hole of the chain block lower hanging piece 8, the chain block is closed, the lower I-steel 5 is leveled to the same elevation by using the chain block, the suspension protection work of the pipeline 4 is finished, and the downward.
The construction method based on the cutter-suction type ground connecting wall local replacement row pile supporting is realized by four steps of pipeline suspension protection structure, grooving, reinforcement cage processing and hoisting, and concrete pouring to form the wall, and specifically comprises the following steps:
the method comprises the following steps: the pipeline suspension protection structure which cannot be changed is completed firstly, a lattice column 2 is constructed firstly, an I-shaped steel platform 3 is transversely placed at the top of the lattice column 2, a steel truss 1 is erected on the upper portion of the I-shaped steel platform 3, and an upper I-shaped steel 6 above the steel truss 1 and a lower I-shaped steel 5 below the steel truss are connected through a chain block upper hanging piece 8, a chain block 7 and a chain block lower hanging piece 9 to form a suspension protection structure to suspend a pipeline 4 to be protected.
Step two: the construction guide wall 9 is below the pipeline 4, the masonry auxiliary wall 12 is higher than the steel truss 1, the working rail 13 is fixed on the auxiliary wall 12, and the grooving drilling machine can move back and forth by using the working rail 15 during working. Grabbing a 2m long and 0.8m wide advance guide groove 15 at two sides of the suspension protected pipeline 4 by using a hydraulic grab; after the first guide groove 15 is finished, the underwater drill 16 is in place, the guniting guide pipe 14 is inserted into the first guide groove 15, the underwater drill 16 is enabled to move downwards along the guniting guide pipe 14 to a soil body which cannot be grabbed by a hydraulic grab below a drilling pipeline, a drill bit cuts mud blocks to fall into the bottom of a groove in the drilling process, and the residue soil is discharged into a ground residue bucket along with slurry through the guniting guide pipe 14 by utilizing a gas lift reverse circulation gas column formed by a gas pipe 17;
when the grooving is completed, the underwater drill 16 is lifted so that the drill bit is close to the position below the steel truss 1 and above the un-drilled soil surface; and simultaneously lifting the jet guide pipe to be 50-100 cm away from the bottom surface of the groove, moving the groove frame backwards to prepare for next drilling construction, overlapping 1/3 drill bit diameters at the front and back drilling positions, controlling the horizontal footage within 20cm each time according to stratum characteristics, drilling from one end of the unit groove section to the direction of the suspension frame until the grooving drilling at one side of the suspension frame is completed, and then constructing the other side, and completing 5-6 drills at least at one side until the grooving construction of the whole groove section is completed. The guide wall is L-shaped from the ground downwards and is positioned perpendicular to the pipeline, and the position can be seen on the longitudinal section.
Step three: processing and hoisting of reinforcement cage
Processing the reinforcement cage into two parts, namely a left reinforcement cage 18 and a right reinforcement cage 19, by taking the center of the steel truss 1 of the pipeline which cannot be moved and needs to be suspended and protected as a boundary, wherein the two parts adopt a male-female butt joint mode; after the reinforcement cage is processed, the left reinforcement cage 18 and the right reinforcement cage 19 are respectively hung from two sides of the steel truss 1 and move to the center of the suspended and protected pipeline 4, when the upper parts of the two cages are all hung in place, then each cage is hung at a hanging point close to the suspended and protected pipeline 4, and the cages are lifted up and down back and forth, so that the two cages are fully combined into a whole, and the integral reinforcement cage 20 is formed.
Step four: pouring concrete into wall
And pouring concrete to form the underground diaphragm wall 21 to finish foundation pit sealing.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (4)
1. The utility model provides a construction structures based on cutter-suction type ground is wall local to replace campshed and is strutted which characterized in that:
the device comprises a pipeline suspension protection structure and a pipeline external reinforcement cage;
the pipeline suspends protection architecture in midair includes lattice column (2) of pipeline (4) horizontal both sides, lattice column (2) top sets up horizontal I-steel platform (3), I-steel platform (3) top sets up fore-and-aft steel truss (1), steel truss (1) top sets up along vertical parallel arrangement's last I-steel (6), go up I-steel (6) horizontal both sides and hang down I-steel (5) that are located pipeline (4) below through pendant (8) on the chain block, chain block (7), pendant (9) suspend in midair under the chain block, pipeline (4) are located I-steel (5) top down.
2. The construction structure based on cutter-suction type ground wall local replacement row pile support of claim 1, characterized in that:
the outer reinforcement cage of pipeline includes left side reinforcement cage (18) and right side reinforcement cage (19) of the horizontal both sides of pipeline (4), merges the butt joint to pipeline (4) center.
3. The construction structure based on cutter-suction type ground wall local replacement row pile support of claim 1, characterized in that:
the two end parts of the steel truss (1) are fixed on the hardened ground (10), the middle of the steel truss (1) is fixed at the top of the I-shaped steel platform (3), and the hardened ground (10) and the top of the I-shaped steel platform (3) are located at the same elevation.
4. The construction structure based on cutter-suction type ground wall local replacement row pile support of claim 1, characterized in that:
the two end parts of a steel truss (1) are fixed on a hardened ground (10), after the middle of the steel truss (1) is fixed on the top of an I-shaped steel platform (3), hanging pieces (8) on a chain block are hung on the two transverse sides of the I-shaped steel (6), the chain block penetrates through chain block holes of the hanging pieces (8), after soil is excavated downwards from the ground to the top and two sides of a pipeline (4) is removed, a narrow soil groove is dug at the bottom of the pipeline (4) to penetrate through lower I-shaped steel (5), the hanging pieces (9) on the chain block are installed on the two transverse sides of the lower I-shaped steel (5), then the chain block (7) penetrates through the chain block holes of the hanging pieces (9) on the chain block, the chain block is closed, the lower I-shaped steel (5) is leveled to the same elevation by the chain block, the hanging protection work of the pipeline (4) is completed, and after the ground is connected into a wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329169.2U CN211898417U (en) | 2019-12-23 | 2019-12-23 | Construction structure based on cutter-suction type ground is wall local to replace campshed and is strutted |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922329169.2U CN211898417U (en) | 2019-12-23 | 2019-12-23 | Construction structure based on cutter-suction type ground is wall local to replace campshed and is strutted |
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| CN211898417U true CN211898417U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058458A (en) * | 2019-12-23 | 2020-04-24 | 中铁第一勘察设计院集团有限公司 | Construction method and structure based on cutter suction type ground connecting wall local replacement row pile support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058458A (en) * | 2019-12-23 | 2020-04-24 | 中铁第一勘察设计院集团有限公司 | Construction method and structure based on cutter suction type ground connecting wall local replacement row pile support |
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