CN210507181U - Multi-support construction structure for complex environment - Google Patents
Multi-support construction structure for complex environment Download PDFInfo
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- CN210507181U CN210507181U CN201920910050.1U CN201920910050U CN210507181U CN 210507181 U CN210507181 U CN 210507181U CN 201920910050 U CN201920910050 U CN 201920910050U CN 210507181 U CN210507181 U CN 210507181U
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000002689 soil Substances 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 239000011440 grout Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- -1 scaffold Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a multi-support construction structure in a complex environment, wherein a construction channel is dug at a set channel position passing through a box culvert, and a scaffold is supported on the bottom wall of the box culvert exposed by excavation; the method comprises the following steps that a net is arranged on soil bodies in the length directions of the front side and the rear side of an excavated construction channel, slurry is sprayed on the soil bodies, a channel bottom plate cushion layer and a channel bottom plate are sequentially paved at the bottom of the construction channel, and three manual hole digging cast-in-place piles on the right side and the left side are sequentially arranged at the bottom of foundation pits on the right side and the left side of a box culvert at intervals; grout is injected into soil bodies among the three right-side and three left-side manual hole digging cast-in-place piles; three steel pipe supporting columns are sequentially arranged in the middle of the bottom wall of the box culvert in a supporting mode; constructing a channel side wall and a channel top plate on the construction channel; retaining walls are respectively built at the left and right convex shoulders of the pedestrian passageway top plate, and the inlet and the outlet of the pedestrian passageway penetrating through the box culvert are respectively communicated with the existing basements arranged at the left and right sides of the box culvert. This structure has guaranteed passageway main part construction structure safety.
Description
Technical Field
The utility model relates to a support construction structures especially relates to a many support construction structures of complex environment.
Background
As urban land is becoming more and more tense, underpasses and underground structures are often provided to alleviate this problem. Under the complex environment, the channel is required to pass through the flood control box culvert, rubble and silt are arranged under the box culvert, a sand layer is arranged, and the danger is high.
The chinese patent with the application number of CN201710366196 discloses "a bicycle expressway box culvert structure", and this box culvert structure includes hollow box, be provided with the bicycle lane in the box, the wing wall is installed to the both sides of box, the headwall is installed in the entry and the exit at box both ends, the pitch waterproof layer has been laid to the box periphery wall, the bicycle lane with be provided with the escape canal between the box. The hollow box body is arranged in barriers such as mountains in a penetrating manner, the bicycle lane is arranged in the box body and is connected with an external bicycle high-speed lane, so that the mileage is shortened, and a rider can ride the bicycle conveniently; lay the pitch waterproof layer at the periphery wall of box, make the box have good water-proof effects, set up the escape canal between bicycle lane and box, guaranteed good drainage effect, at the entry and the exit installation headwall at the both sides installation wing wall of box and box both ends, play and keep off soil and flow backwards the effect. This patent is passageway box culvert structure, sets up bicycle lane in the box, and the passageway that passes through the box culvert supports the construction field that is two kinds of differences.
Disclosure of Invention
An object of the utility model is to overcome prior art's not enough, provide a construction safety cost is low, the time limit for a project is short, the reliable many supporting construction structures of complex environment of bearing structure quality.
The utility model discloses a construction structure with multiple supports in complex environment, a construction channel is dug at the set channel position passing through the box culvert, a scaffold is supported on the bottom wall of the box culvert exposed by the excavation, a net is arranged on the soil body in the length direction of the front side and the rear side of the construction channel finished by the excavation and sprayed with slurry, and a channel bottom plate cushion layer and a channel bottom plate are sequentially laid at the bottom of the construction channel;
the bottom of the foundation pit at the right side wall of the box culvert is sequentially provided with a right first manual hole-digging cast-in-place pile, a right second manual hole-digging cast-in-place pile and a right third manual hole-digging cast-in-place pile at intervals along the width direction of the construction channel, the bottom of the foundation pit at the left side wall of the box culvert is sequentially provided with a left first manual hole-digging cast-in-place pile, a left second manual hole-digging cast-in-place pile and a left third manual hole-digging cast-in-place pile at intervals along the width direction of the construction channel, grout is injected into soil between the three right-side manual hole-digging cast-in-place piles and the three left-side manual hole-digging cast-in-place piles, crown beams are respectively arranged on the pile tops of the right first manual hole-digging cast-in-place pile, the right second manual hole-digging cast-in-place pile and the right third manual hole-digging cast-in-place pile and on the pile tops of the left first manual hole-digging cast-in-place pile, the left second manual hole-digging cast-in-place pile and the left third manual hole-digging cast-in-place pile;
a first steel pipe supporting column, a second steel pipe supporting column and a third steel pipe supporting column are sequentially arranged in the middle of the bottom wall of the box culvert and are arranged at intervals in the front-back direction of the width direction of the construction channel, the bottoms of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are all fixed on the bottom plate of the channel, and the tops of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are fixed on the bottom wall of the box culvert;
the construction method comprises the steps that pedestrian passageway side walls are respectively built on the front side and the rear side of a construction passageway along the length direction of the passageway according to the width of a set pedestrian passageway, pedestrian passageway top plates are poured at the tops of the pedestrian passageways between the front and rear pedestrian passageway side walls, a right second manual hole digging cast-in-place pile and a left second manual hole digging cast-in-place pile are located between the front and rear pedestrian passageway side walls, the pedestrian passageway top plates are of a convex structure, the bottom wall of a box culvert is supported on a boss of the pedestrian passageway top plate, retaining walls are respectively built at the left and right shoulders of the pedestrian passageway top plate, and the inlet and the outlet of the pedestrian passageway penetrating through the box culvert are respectively communicated with existing basements arranged on the left and right sides of the box culvert.
Adopt the mode that all the other structures replaced the support to construct step by step during the channel construction in this structure, it is reasonable to pass power, economic safety. And (4) setting reinforcing points at key positions, and transmitting the upper load to the channel bottom plate layer by using the steel pipe supporting columns. Meanwhile, the construction of the main structure of the channel is considered, so that the supporting structures at all stages are different, and the safety of the construction structure of the main structure of the channel is ensured by manually digging hole filling piles, consolidating slurry, scaffold, steel pipe supporting columns and advancing layer by layer.
Drawings
Fig. 1 is a schematic view of a top-view construction node of a complex environment multi-support construction structure of the present invention;
fig. 2 is the utility model discloses a many supporting construction structures's of complex environment facade construction node schematic diagram.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in the attached drawings, the utility model discloses a construction structure with multiple supports in complex environment, a construction channel 5 is dug at the set channel position passing through the box culvert, and a scaffold is supported on the bottom wall of the box culvert exposed by the excavation; the method comprises the following steps that a net is arranged on the soil body in the length direction of the front side and the rear side of an excavated construction channel 5, slurry is sprayed on the soil body, and a channel bottom plate cushion layer and a channel bottom plate 6 are sequentially paved at the bottom of the construction channel 5;
the bottom of the foundation pit at the right side wall of the box culvert is sequentially provided with a right first manual hole-digging cast-in-place pile 4-1, a right second manual hole-digging cast-in-place pile 4-2 and a right third manual hole-digging cast-in-place pile 4-3 along the width direction of the construction channel at intervals from front to back, and the bottom of the foundation pit at the left side wall of the box culvert is sequentially provided with a left first manual hole-digging cast-in-place pile 3-1, a left second manual hole-digging cast-in-place pile 3-2 and a left third manual hole-digging cast-in-place pile 3-3 along the width direction of the construction channel at intervals from. Grout is injected into soil between the three right-side manual hole-digging cast-in-place piles and the three left-side manual hole-digging cast-in-place piles. And crown beams are respectively arranged on the pile tops of the right first manual hole-digging cast-in-place pile 4-1, the right second manual hole-digging cast-in-place pile 4-2 and the right third manual hole-digging cast-in-place pile 4-3 and the pile tops of the left first manual hole-digging cast-in-place pile 3-1, the left second manual hole-digging cast-in-place pile 3-2 and the left third manual hole-digging cast-in-place pile 3-3.
A first steel pipe supporting column 7-1, a second steel pipe supporting column 7-2 and a third steel pipe supporting column 7-3 are sequentially arranged in the middle of the bottom wall of the box culvert 1 and in the front-back direction of the width direction of the construction channel 5 at intervals. The bottoms of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are all fixed on the bottom plate 6 of the channel, and the tops of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are fixed on the bottom wall of the box culvert 1;
building pedestrian channel side walls 8 on the front side and the rear side of the construction channel 5 along the length direction of the channel according to the set width of the pedestrian channel, and pouring a pedestrian channel top plate 9 on the top of the pedestrian channel between the front and rear pedestrian channel side walls 8, wherein a right second manual hole-digging cast-in-place pile 4-2 and a left second manual hole-digging cast-in-place pile 3-2 are positioned between the front and rear pedestrian channel side walls 8, the pedestrian channel top plate 9 is of a convex structure, and the box culvert bottom wall 2 is supported on a boss of the pedestrian channel top plate 9; retaining walls 10 are respectively built at the left and right convex shoulders of the top plate of the pedestrian passageway; the inlet and the outlet of the pedestrian passageway passing through the box culvert are respectively communicated with the existing basements arranged at the left side and the right side of the box culvert 1.
The utility model discloses construction method of structure, including following step:
(1) according to the set passage position of the box culvert, excavating earth above the road underground box culvert 1 at the passage position and earth at the left and right outer side walls of the box culvert 1 to the bottom wall 2 of the box culvert to form a foundation pit, wherein an inlet and an outlet of the passage passing through the box culvert are respectively communicated with the existing basements arranged at the left and right sides of the box culvert 1, and the width of the foundation pit is larger than that of the passage passing through the box culvert;
(2) the bottom of a foundation pit at the right side wall of the box culvert is sequentially provided with a right first manual hole-digging cast-in-place pile 4-1, a right second manual hole-digging cast-in-place pile 4-2 and a right third manual hole-digging cast-in-place pile 4-3 along the width direction of a channel to be constructed at intervals in the front-back direction, wherein the excavation and the pouring of the right first manual hole-digging cast-in-place pile 4-1 and the right second manual hole-digging cast-in-place pile 4-2 are firstly carried out, and the excavation and the pouring of the right third manual hole-digging cast-in-place pile 4-3 are carried out after the concrete strength of the right first manual hole-digging cast-in-place pile and the right second manual hole-. And finally constructing crown beams on the pile tops of the first manual hole-digging cast-in-place pile 4-1 on the right side, the second manual hole-digging cast-in-place pile 4-2 on the right side and the third manual hole-digging cast-in-place pile 4-3 on the right side.
The first manual hole bored concrete pile, the manual hole bored concrete pile and the manual partial setting in 2 outsides of box culvert diapire of roof of digging hole bored concrete pile and right side third in the right side first manual hole bored concrete pile, the manual hole bored concrete pile and the manual hole bored concrete pile that dig in the right side are supported on the box culvert diapire and the roof another part sets up in the box culvert diapire, the manual hole bored concrete pile radially the box culvert outside enlarge 500mm usually can, it is more convenient to go out the soil during the manual hole digging, the steel reinforcement cage is transferred to the disposable of being convenient for, construction quality can be guaranteed.
(3) And (3) repeating the step (2) and according to the method in the step (2), respectively arranging a left first manual hole-digging cast-in-place pile 3-1, a left second manual hole-digging cast-in-place pile 3-2 and a left third manual hole-digging cast-in-place pile 3-3 at the bottom of the foundation pit at the left side wall of the box culvert at intervals from front to back along the width direction of the channel to be constructed.
Namely: the method comprises the steps of firstly excavating and pouring a first left-side first manual hole-excavating cast-in-place pile 3-1 and a second left-side second manual hole-excavating cast-in-place pile 3-2, and excavating and pouring a third left-side third manual hole-excavating cast-in-place pile 3-3 after the concrete strength of the first left-side first manual hole-excavating cast-in-place pile and the second left-side second manual hole-excavating cast-in-place pile reaches the design strength. And finally constructing crown beams on the pile tops of the first left-side manual hole-digging cast-in-place pile 3-1, the second left-side manual hole-digging cast-in-place pile 3-2 and the third left-side manual hole-digging cast-in-place pile 3-3.
The first manual hole bored concrete pile, the manual hole bored concrete pile of digging of left side second and the manual hole bored concrete pile of digging of left side third partly support on the box culvert diapire and the another part setting of roof is in the 2 outsides of box culvert diapire, the manual pile radial box culvert outside of digging the hole bored concrete pile expand 500mm usually can, it is more convenient to go out the soil during manual hole digging, is convenient for once only transfer the steel reinforcement cage, can guarantee construction quality by the at utmost.
(4) And grouting in soil bodies between the three right-side manual hole-digging cast-in-place piles and the three left-side manual hole-digging cast-in-place piles.
(5) Continuously excavating downwards from the right side of the bottom wall of the foundation pit to the bottom elevation position of a bottom plate 6 of a construction channel 5 to be constructed and continuously excavating continuously in a penetrating manner along the length direction of the channel to be constructed to the left side of the bottom wall of the foundation pit, and erecting a scaffold while excavating in the excavation process so that the scaffold is supported on the bottom wall of the box culvert exposed by excavation;
(6) carrying out net hanging and guniting on soil bodies in the length directions of the front side and the rear side of the excavated construction channel 5, and sequentially laying a channel bottom plate cushion layer and a channel bottom plate 6 at the bottom of the construction channel 5;
(7) a first steel pipe supporting column 7-1, a second steel pipe supporting column 7-2 and a third steel pipe supporting column 7-3 are sequentially erected in the middle of the bottom wall of the box culvert 1 and at intervals in the front and back direction of the width direction of the construction channel 5. The bottoms of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are all fixed on the bottom plate 6 of the channel, and the tops of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are fixed on the bottom wall of the box culvert 1;
(8) building pedestrian channel side walls 8 on the front side and the rear side of the construction channel 5 along the length direction of the channel according to the set width of the pedestrian channel, and pouring a pedestrian channel top plate 9 at the top of the pedestrian channel between the front and rear pedestrian channel side walls 8, wherein a right second manual hole-digging cast-in-place pile 4-2 and a left second manual hole-digging cast-in-place pile 3-2 are positioned between the front and rear pedestrian channel side walls 8, the pedestrian channel top plate 9 is of a convex structure, and the box culvert bottom wall 2 is supported on a boss of the pedestrian channel top plate 9;
(9) after the concrete strength of the top plate 9 of the pedestrian passageway reaches 100%, building retaining walls 10 at left and right convex shoulders of the top plate of the pedestrian passageway;
and after the construction of the structure is finished, the construction is continued to finish the construction of the whole pedestrian passageway:
(10) dismantling the first steel pipe support column 7-1 and the third steel pipe support column 7-3, backfilling earthwork outside the left side wall 1-2 and the right side wall 1-2 of the box culvert, and dismantling the second steel pipe support column 7-2;
(11) welding double-layer reinforcing mesh sheets on the inner walls of the holes on the top plate of the pedestrian passageway corresponding to the steel pipe support columns, then plugging the holes with micro-expansion fine stone anti-permeability concrete, paving a waterproof layer, and then paving a waterproof additional layer on the outer wall of the waterproof layer.
(12) The second manual hole-digging cast-in-place pile 4-2 on the right side and the second manual hole-digging cast-in-place pile 3-2 on the left side are dismantled;
(13) filling gaps between the top plate 9 of the pedestrian passageway and the box culvert 1 with micro-expansion concrete;
(14) and backfilling earthwork at the top of the box culvert 1.
Claims (1)
1. The utility model provides a many supports construction structures of complex environment which characterized in that: digging a construction channel at a set channel position penetrating through the box culvert, supporting a scaffold on the bottom wall of the box culvert exposed by the digging, arranging net hanging and spraying slurry on soil bodies in the length directions of the front side and the rear side of the excavated construction channel, and sequentially paving a channel bottom plate cushion layer and a channel bottom plate at the bottom of the construction channel;
the bottom of the foundation pit at the right side wall of the box culvert is sequentially provided with a right first manual hole-digging cast-in-place pile, a right second manual hole-digging cast-in-place pile and a right third manual hole-digging cast-in-place pile at intervals along the width direction of the construction channel, the bottom of the foundation pit at the left side wall of the box culvert is sequentially provided with a left first manual hole-digging cast-in-place pile, a left second manual hole-digging cast-in-place pile and a left third manual hole-digging cast-in-place pile at intervals along the width direction of the construction channel, grout is injected into soil between the three right-side manual hole-digging cast-in-place piles and the three left-side manual hole-digging cast-in-place piles, crown beams are respectively arranged on the pile tops of the right first manual hole-digging cast-in-place pile, the right second manual hole-digging cast-in-place pile and the right third manual hole-digging cast-in-place pile and on the pile tops of the left first manual hole-digging cast-in-place pile, the left second manual hole-digging cast-in-place pile and the left third manual hole-digging cast-in-place pile;
a first steel pipe supporting column, a second steel pipe supporting column and a third steel pipe supporting column are sequentially arranged in the middle of the bottom wall of the box culvert and are arranged at intervals in the front-back direction of the width direction of the construction channel, the bottoms of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are all fixed on the bottom plate of the channel, and the tops of the first steel pipe supporting column, the second steel pipe supporting column and the third steel pipe supporting column are fixed on the bottom wall of the box culvert;
the construction method comprises the steps that pedestrian passageway side walls are respectively built on the front side and the rear side of a construction passageway along the length direction of the passageway according to the width of a set pedestrian passageway, pedestrian passageway top plates are poured at the tops of the pedestrian passageways between the front and rear pedestrian passageway side walls, a right second manual hole digging cast-in-place pile and a left second manual hole digging cast-in-place pile are located between the front and rear pedestrian passageway side walls, the pedestrian passageway top plates are of a convex structure, the bottom wall of a box culvert is supported on a boss of the pedestrian passageway top plate, retaining walls are respectively built at the left and right shoulders of the pedestrian passageway top plate, and the inlet and the outlet of the pedestrian passageway penetrating through the box culvert are respectively communicated with existing basements arranged on the left and right sides of the box culvert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910050.1U CN210507181U (en) | 2019-06-17 | 2019-06-17 | Multi-support construction structure for complex environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920910050.1U CN210507181U (en) | 2019-06-17 | 2019-06-17 | Multi-support construction structure for complex environment |
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| CN210507181U true CN210507181U (en) | 2020-05-12 |
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| CN201920910050.1U Active CN210507181U (en) | 2019-06-17 | 2019-06-17 | Multi-support construction structure for complex environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419252A (en) * | 2022-09-08 | 2022-12-02 | 南通润邦海洋工程装备有限公司 | Tubular pile tool scaffold pre-lapping method |
-
2019
- 2019-06-17 CN CN201920910050.1U patent/CN210507181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419252A (en) * | 2022-09-08 | 2022-12-02 | 南通润邦海洋工程装备有限公司 | Tubular pile tool scaffold pre-lapping method |
| CN115419252B (en) * | 2022-09-08 | 2023-09-08 | 南通润邦海洋工程装备有限公司 | Pre-lapping method for tubular pile tool scaffold |
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