CN218780350U - Steel plate structure working well for pipe jacking construction - Google Patents
Steel plate structure working well for pipe jacking construction Download PDFInfo
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- CN218780350U CN218780350U CN202223037319.0U CN202223037319U CN218780350U CN 218780350 U CN218780350 U CN 218780350U CN 202223037319 U CN202223037319 U CN 202223037319U CN 218780350 U CN218780350 U CN 218780350U
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Abstract
The utility model discloses a steel plate structure working well for pipe-jacking construction, which comprises a split open caisson, wherein the split open caisson comprises a well wall consisting of a plurality of rectangular tubular structures, and a plurality of reinforcing ribs are arranged on the inner side of the well wall; the inner wall of the split open caisson is connected with a plurality of surrounding purlins, and the bottom of the split open caisson is provided with a supporting mechanism. The device has solved the push pipe construction work well of prior art and has needed concrete cast in situ or prefabricated pouring in advance, and the construction cycle is long, the cost is high, is unfavorable for the quick propulsive problem of engineering construction, has simple structure, and the flexible operation when can guaranteeing wall of a well intensity, has also satisfied the characteristics of the demand of laying fast in the engineering construction.
Description
Technical Field
The utility model belongs to the technical field of the municipal administration construction, in particular to steel sheet structure work well for push pipe construction.
Background
The water environment treatment project transformed by the rain and sewage diversion is mostly used for pipe-jacking engineering construction in urban areas, the pipe-jacking construction needs to manufacture a pipe-jacking working well, the conventional method adopts a cast-in-place reinforced concrete structure, and the specific construction process comprises the steps of 'jet grouting pile + open caisson' and 'cast-in-place pile + reverse construction' and the like; but the cast-in-place reinforced concrete structure has long construction period and high construction cost, and is not beneficial to the quick propulsion of engineering construction; the open caisson partially adopting a prefabricated structure, for example, a patent with the patent number of 'CN 209687494U' discloses a precast concrete open caisson device for pipe-jacking construction, which needs to be arranged through precast concrete pipe joints, and the precast concrete joints also have the problems of long construction period and inconvenience for quick engineering propulsion, and the connection structure between the pipe joints is complex and inconvenient for quick arrangement during construction; therefore, it is necessary to design a steel plate structure working well for pipe jacking construction to solve the above problems.
Disclosure of Invention
The utility model aims at providing a steel sheet structure work well for push pipe construction, the device has solved the push pipe construction work well of prior art and needs concrete cast in situ or prefabricated pouring in advance, and construction period is long, the cost is high, is unfavorable for engineering construction's quick propulsive problem, has simple structure, and the flexible operation when can guaranteeing wall of a well intensity, has also satisfied the characteristics of the demand of laying fast in the engineering construction.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a steel plate structure working well for pipe jacking construction comprises a split type open caisson, wherein the split type open caisson comprises a well wall formed by a plurality of rectangular tubular structures, and a plurality of reinforcing ribs are arranged on the inner side of the well wall; the inner wall of the split open caisson is connected with a plurality of surrounding purlins, and the bottom of the split open caisson is provided with a supporting mechanism.
Furthermore, the reinforcing rib adopts a channel steel structure; and a plurality of channel steel structures are welded on the inner wall of the well wall in parallel for enhancing the strength of the well wall.
Preferably, the enclosing purlin is I-steel with a rectangular structure and is connected with the reinforcing rib connected with the inner wall of the well wall.
Preferably, the supporting mechanism comprises a plurality of angle braces and cross braces connected between the inner walls of the enclosing purlins.
Furthermore, steel pipes are selected for the angle braces and the cross braces, and the two ends of the steel pipes are welded with the surrounding purlins and the strength of the working well is enhanced together with the surrounding purlins.
Preferably, the split type open caisson is cast with a concrete back cover at the bottom, a bottom plate steel bar is embedded in the concrete back cover, and the upper part of the bottom plate steel bar extends out of the concrete back cover.
Preferably, the concrete bottom plate is poured on the upper portion of the bottom plate reinforcing steel bars, and the outer side of the concrete bottom plate extends out of the split open caisson to form a toe board overhanging structure.
Preferably, the surface of the well wall is provided with grouting holes.
Further, when carrying out overbreak sinking, a long arm excavator is used for taking soil from the steel open caisson; when soil is taken, the device can assist in digging in the well so as to facilitate sinking of the open caisson; when the soil quality is poor and excavation cannot be carried out, thixotropic slurry is injected into a slurry injection hole in the well wall to assist sinking.
The utility model has the advantages that:
1, the device has simple structure, convenient manufacture and lower cost; weight is lighter, and is comparatively nimble during the use, and split type wall of a well can weld as required and increase, compares in the mode of direct cast in situ concrete or prefabricated muddy soil pipe, and this device all has great promotion in flexibility and construction portability.
2, the device has a light structure, is easy to rectify, and can be assisted to sink in a thixotropic slurry injection mode by arranging a slurry injection hole; by arranging the toe board overhanging structure, the anti-floating performance can be effectively improved.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the present invention;
the reference numbers in the figures are: split type open caisson 1, the wall of a well 2, strengthening rib 3 encloses purlin 4, corner brace 5, stull 6, concrete back cover 7, concrete bottom plate 8, toe board structure 9 of choosing outward, slip casting hole 10.
Detailed Description
As shown in fig. 1-2, the steel plate structure working well for pipe jacking construction comprises a split open caisson 1, wherein the split open caisson 1 comprises a well wall 2 consisting of a plurality of rectangular tubular structures, and a plurality of reinforcing ribs 3 are arranged on the inner side of the well wall 2; the inner wall of the split open caisson 1 is connected with a plurality of surrounding purlins 4, and the bottom of the split open caisson 1 is provided with a supporting mechanism.
Further, the reinforcing ribs 3 adopt a channel steel structure; a plurality of channel steel structures are welded on the inner wall of the well wall 2 in parallel for enhancing the strength of the well wall 2.
Preferably, the enclosing purlin 4 is I-steel with a rectangular structure, and the enclosing purlin 4 is connected with the reinforcing rib 3 connected with the inner wall of the well wall 2.
Preferably, the bracing mechanism comprises a plurality of angle braces 5 and cross braces 6 connected between the inner walls of the purlin 4.
Further, the steel pipes are selected for use by the angle brace 5 and the cross brace 6, and both ends of the steel pipes are welded with the surrounding purlin 4 and the strength of the working well is enhanced by the surrounding purlin 4.
Preferably, the bottom of the split open caisson 1 is poured with a concrete back cover 7, the concrete back cover 7 is internally embedded with a bottom plate steel bar, and the upper part of the bottom plate steel bar extends out of the concrete back cover 7.
Preferably, a concrete bottom plate 8 is poured on the upper part of the bottom plate steel bar, and the outer side of the concrete bottom plate 8 extends out of the split open caisson 1 to form a toe plate cantilever structure 9.
Preferably, the surface of the well wall 2 is provided with grouting holes 10.
Further, when carrying out overbreak sinking, a long arm excavator is used for taking soil from the steel open caisson; when soil is taken, the device can assist in digging in the well so as to facilitate sinking of the open caisson; when the soil quality is poor and excavation cannot be carried out, the thixotropic slurry is injected into the slurry injection holes 10 of the well wall 2 to assist sinking.
The utility model discloses a theory of operation does:
firstly, digging a pit with the depth of about 2.5m on the ground, wherein the size of the soil pit is slightly larger than that of the outer wall of the steel open caisson, and then arranging a base plate of the open caisson, a well wall 2 of the first layer and a well wall of the second layer of the welded open caisson and welding channel steel on the ground; secondly, performing overbreak sinking, taking soil from the steel open caisson by using a long-arm excavator, and assisting excavation in the open caisson during soil taking so as to facilitate the open caisson sinking; when the soil quality is poor and excavation cannot be carried out, the thixotropic slurry is injected into the slurry injection holes 10 of the sinking well wall 2 to assist sinking; then, after the steel open caisson sinks to the position, concrete is adopted to seal the bottom 7, then the reinforcing steel bars of the bottom plate are implanted, the reinforcing steel bars of the bottom plate extend 500mm out of the steel open caisson, the reinforcing steel bars of the bottom plate are poured to form a concrete bottom plate 8, and toe plate overhanging structures 9 are arranged to resist floating; and finally, after the steel open caisson is manufactured, the pipe jacking machine is installed in place, and the purlin 4, the corner brace 5 and the cross brace 6 are enclosed in welding operation, so that the integral stability of the structure is ensured.
Claims (6)
1. The utility model provides a steel sheet structure work well for push pipe construction which characterized in that: the split open caisson comprises a split open caisson (1), wherein the split open caisson (1) comprises a well wall (2) formed by a plurality of rectangular tubular structures, and a plurality of reinforcing ribs (3) are arranged on the inner side of the well wall (2); the inner wall of the split open caisson (1) is connected with a plurality of surrounding purlins (4), and the bottom of the split open caisson (1) is provided with a supporting mechanism.
2. The steel plate structure working well for pipe jacking construction according to claim 1, wherein: the enclosing purlin (4) is I-steel with a rectangular structure, and the enclosing purlin (4) is connected with the reinforcing rib (3) connected with the inner wall of the well wall (2).
3. The steel plate structure work well for pipe jacking construction according to claim 1, wherein: the supporting mechanism comprises a plurality of angle braces (5) and cross braces (6) connected between the inner walls of the enclosing purlins (4).
4. The steel plate structure working well for pipe jacking construction according to claim 1, wherein: concrete back cover (7) is poured to split type open caisson (1) bottom, and the bottom plate reinforcing bar is planted in concrete back cover (7), and bottom plate reinforcing bar upper portion stretches out outside concrete back cover (7).
5. The steel plate structure working well for pipe jacking construction according to claim 4, wherein: concrete bottom plate (8) are poured on the upper portion of the bottom plate reinforcing steel bar, and the outer side of the concrete bottom plate (8) extends out of the split open caisson (1) to form a toe board overhanging structure (9).
6. The steel plate structure working well for pipe jacking construction according to claim 4, wherein: and grouting holes (10) are formed in the surface of the well wall (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223037319.0U CN218780350U (en) | 2022-11-15 | 2022-11-15 | Steel plate structure working well for pipe jacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223037319.0U CN218780350U (en) | 2022-11-15 | 2022-11-15 | Steel plate structure working well for pipe jacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218780350U true CN218780350U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223037319.0U Active CN218780350U (en) | 2022-11-15 | 2022-11-15 | Steel plate structure working well for pipe jacking construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218780350U (en) |
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2022
- 2022-11-15 CN CN202223037319.0U patent/CN218780350U/en active Active
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