CN212742573U - Pipe jacking working well assembled supporting construction - Google Patents
Pipe jacking working well assembled supporting construction Download PDFInfo
- Publication number
- CN212742573U CN212742573U CN202021159547.3U CN202021159547U CN212742573U CN 212742573 U CN212742573 U CN 212742573U CN 202021159547 U CN202021159547 U CN 202021159547U CN 212742573 U CN212742573 U CN 212742573U
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- working well
- waist
- fixedly connected
- assembled
- supporting structure
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- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002689 soil Substances 0.000 description 9
- 238000007569 slipcasting Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
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Abstract
The utility model discloses a push pipe working well assembled supporting construction. Including setting up in the collar tie beam of push pipe working well head, assembled supporting construction includes four corners stand, waist rail, buckled plate, leads to long stand and internal stay. The assembled supporting structures are erected downwards along the top of the pipe-jacking working well in a segmented mode, two adjacent sections of assembled supporting structures are fixedly connected, four-corner stand columns are arranged at four corners of the working well and are fixedly connected with waist beams, the waist beams are assembled into rings, corrugated plates are fixedly connected with the waist beams through connecting bolts, grouting holes are reserved in the corrugated plates, through long stand columns are fixedly connected with the waist beams and are perpendicular to the horizontal plane of the working well, and internal braces are arranged on the inner sides of the annular waist beams and are fixedly connected with the waist beams. On the basis of the existing supporting structure, a reverse construction method is selected to implement the assembled supporting structure, so that the protection effect of the side wall of the pipe-jacking working well is guaranteed, the construction efficiency is greatly improved, the temporary assembled supporting structure can be sequentially recycled from bottom to top after the construction of the pipe-jacking working well is completed, and the construction cost is saved.
Description
Technical Field
The utility model relates to a foundation ditch protection field, in particular to pipe jacking working well assembled supporting construction.
Background
In the prior art, the widely adopted working well supporting structure mainly adopts concrete supporting, open caisson supporting, plate support and other modes. And the concrete support can be used for carrying out next excavation work only when the concrete strength of the formwork is increased to a qualified range. Open caisson support work progress need carry out open caisson structure prefabrication earlier, and the below still will set up lumber skid or bed course, moves lumber skid or bed course after open caisson structure accomplishes prefabrication and then broken plain concrete layer sinks, and the loaded down with trivial details complicated process of this mode is more. The plate support mode is fast in construction steps, but the protection strength is inferior to that of open caisson support, and particularly soil or sand geology with high water content is encountered. Therefore, the problem to be solved urgently is to find a supporting mode which can ensure the protection strength and also can consider the construction efficiency.
SUMMERY OF THE UTILITY MODEL
There is the defect that intensity and efficiency of construction can not compromise to prior art, the utility model aims at providing an utilize reverse construction method can erect supporting construction fast and can guarantee to construct a push pipe working well assembled supporting construction of vertical dado intensity again.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a push pipe working well assembled supporting construction, is including setting up in the collar tie beam of push pipe working well head, assembled supporting construction includes four corners stand, waist rail, buckled plate, leads to long stand and internal stay, assembled supporting construction erects along the downward segmentation of push pipe working well top, rigid coupling between two sections adjacent assembled supporting construction, the four corners stand set up in the working well four corners and with waist rail fastening connection, the ring is assembled to the waist rail, the buckled plate passes through connecting bolt and waist rail fastening connection, and it has the slip casting hole to reserve on the buckled plate, lead to long stand and waist rail rigid coupling and perpendicular to working well horizontal plane, the internal stay set up in annular waist rail inboard and with the waist rail rigid coupling.
Through adopting above-mentioned technical scheme, in the work progress, adopt reverse construction method to carry out the construction of push pipe work well from top to bottom, through four corners stand, waist rail, buckled plate, lead to long stand and interior supporting mutually supporting of these limited structures and form assembled supporting construction's arrangement, improve construction speed, because there is certain gap between buckled plate and the soil body, reserve the slip casting hole on the buckled plate for reinforcing support intensity, make supporting construction and soil body form integrative stress structure through slip casting at the buckled plate back.
The utility model discloses further set up to: and the first waist beam positioned at the top of the working well is fixedly connected with an embedded part arranged in the ring beam at the end part of the pipe-jacking working well through bolts.
By adopting the technical scheme, the waist beam in the assembled supporting structure at the first section is connected with the embedded part on the ring beam arranged at the top end of the pipe-jacking working well, and a downward structure is formed to extend, so that the assembled structures in the working well are sequentially connected to form an integral stress structure.
The utility model discloses further set up to: the inner support is provided with a butt support, an angle support and a splayed support, the butt support is arranged in parallel to the working well, and two ends of the butt support are fixedly connected with two opposite sides of the annular waist beam respectively; the angle braces are arranged at four corners of the annular waist rail and are fixedly connected with the adjacent waist rail by 45 degrees, one end of each splayed brace is fixedly connected with the middle section of the waist rail, and the other end of each splayed brace is fixedly connected with the corresponding brace.
Through adopting above-mentioned technical scheme, improve assembled supporting construction's whole atress intensity through the setting of internal stay and avoid the working well lateral wall soil body to collapse.
The utility model discloses further set up to: and the adjacent waist beams arranged in the supporting structure in the working well are assembled by adopting staggered joints.
Through adopting above-mentioned technical scheme, the stagger joint is assembled and can be so that the inside transmission ring internal force of cyclic annular waist rail, promotes the bulk strength.
The utility model discloses further set up to: the corrugated plates arranged between the adjacent annular waist beams are assembled by staggered joints.
Through adopting above-mentioned technical scheme, at first improve whole atress effect, obvious logical seam seepage situation can not appear after secondly the slip casting.
The utility model discloses further set up to: the through long upright columns are arranged in a plurality of numbers, are positioned on two opposite sides of the annular waist beam and are fixedly connected with the annular waist beam through welding or connecting pieces, and the through long upright columns on the opposite sides of the waist beam are arranged in a pairwise opposite mode.
By adopting the technical scheme, the through long stand columns can enable the waist beams in the upper section and the lower section of the supporting structure to form a vertical integrated stress structure, and the through long stand columns arranged on opposite sides of the waist beams are opposite in number and position, so that the vertical stress effect of the assembled supporting structure is uniform.
The utility model discloses further set up to: the connecting piece is in a shape of a Chinese character 'ji', and the Chinese character 'ji' bottom edges extending to two sides are connected with the waist rail through bolts.
Through adopting above-mentioned technical scheme, go on welded connection between logical long stand and the waist rail and though the atress high stability is good but be unfavorable for the later stage to dismantle the recovery.
The utility model discloses further set up to: the pair brace, the angle brace and the splayed brace are channel steel or I-steel.
By adopting the technical scheme, the limitation of the inner support material needs to be selected according to the required stress standard obtained from the data of the concrete soil property, the water content and the like of construction.
To sum up, the utility model discloses following beneficial effect has:
on the basis of the existing modes of concrete supporting, open caisson supporting, plate support supporting and the like, the reverse construction method is selected to implement the assembled temporary supporting structure, so that the protection effect of the side wall of the pipe-jacking working well is guaranteed, the construction efficiency is greatly improved, the temporary assembled supporting structure can be sequentially recycled and reused from bottom to top after the construction of the pipe-jacking working well is completed, and a large amount of construction cost is saved.
Drawings
Figure 1 is the utility model discloses push pipe working well assembled supporting construction's slant perspective of bowing.
Figure 2 is the utility model discloses push pipe working well assembled supporting construction side perspective view.
Figure 3 is an enlarged view of one of the right angle end points a of the support structure of figure 2.
Fig. 4 is the utility model discloses well assembled supporting construction top view.
1. A ring beam; 2. four corner columns; 3. a wale; 4. a corrugated plate; 5. oppositely supporting; 6. corner brace; 7. a splayed support; 8. a connecting member; 9. a through long column; 41. and (4) grouting holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. With reference to fig. 1 and 2, an assembled supporting structure for a pipe-jacking working well comprises a ring beam 1 arranged at a well mouth of the pipe-jacking working well, wherein the ring beam 1 is erected by adopting formwork to pour concrete, and an embedded part (not shown in the figure) is arranged at the bottom of the ring beam during erection. Assembled supporting construction includes four corners stand 2, waist rail 3, buckled plate 4, leads to long stand 9 and internal stay, assembled supporting construction erects along the downward segmentation in push pipe working well top. Four corners stand 2 set up in the working well four corners and with waist rail 3 passes through connecting piece 8 fastening connection, the cyclization is assembled to waist rail 3, and the supporting construction erects between the adjacent two sections assembled supporting construction and establishes ties the equipment through being connected between waist rail 3 and buckled plate 4. The four-corner upright columns 2 are arranged at four corners of the pipe jacking working well and are in bolt fastening connection with the waist beam 3 through connecting pieces 8. Buckled plate 4 passes through connecting bolt and 3 fastening connections of waist rail, has the slip casting hole on the buckled plate 4 in advance, accomplishes to erect the back through the slip casting hole and carries out the slip casting toward 4 backs of buckled plate when one section assembled supporting construction, can let buckled plate 4 and the soil body structure bonding behind one's back form tensile improvement supporting construction's whole protective effect. The through long upright columns 9 are fixedly connected with the waist beam 3 and are perpendicular to the horizontal plane of the working well, and the assembled supporting structure can vertically form the vertical deformation of the anti-pressure reduction supporting structure due to the through long upright columns 9. The inner support is arranged on the inner side of the annular waist beam 3 and fixedly connected with the waist beam 3, and the inner support is arranged to increase the resistance of the assembled supporting structure, bear inward dumping pressure of soil around and avoid deformation of the annular assembled supporting structure when the working well is dug deeply downwards.
As shown in fig. 1, a first waist beam 3 positioned at the top of the working well is fixedly connected with an embedded part (not shown) arranged in a ring beam 1 at the end part of the pipe-jacking working well through bolts. The assembled supporting structure is provided with a plurality of groups downwards along the top of the working well, each group of assembled structures consists of a waist beam 3, a corrugated plate 4, an inner support and four-corner upright posts 2, wherein the waist beams 3 are assembled into a ring. The waist beams 3 arranged in the first group of fabricated supporting structures are first waist beams 3, the first waist beams 3 are fixedly connected with embedded parts arranged in the ring beams 1 at the end parts of the pipe-jacking working well through bolts, and the fabricated structures in the working well are sequentially connected to form an integral stress protection system.
As shown in fig. 3, the inner support is provided with a pair support 5, an angle support 6 and a splayed support 7, the pair support 5 is arranged parallel to the horizontal plane of the working well and is positioned at the axis position of the horizontal plane of the working well, two ends of the pair support 5 are fixedly connected with the middle parts of two opposite sides of the annular waist beam 3 respectively, and the main effect of the pair support 5 is to increase the transverse compressive stress strength of the assembled supporting structure. The angle braces 6 are arranged at four corners of the annular waist beam 3 and are fixedly connected with the adjacent waist beam 3 by 45 degrees, two ends of each angle brace 6 are fixedly connected with two sides of the adjacent annular waist beam 3 respectively, and the structural strength of the corners of the annular waist beams 3 is improved to avoid compression deformation in the construction process. One end of the splayed strut 7 is fixedly connected with the waist beam 3, and the other end is fixedly connected with the opposite strut 5. The integral stress strength of the assembled supporting structure is improved through the arrangement of the internal support, so that the soil body on the side wall of the working well is prevented from collapsing or the supporting structure is prevented from deforming.
Like fig. 2, the adjacent waist rail 3 that sets up in the inside supporting construction of working well takes the fissure of displacement to assemble, buckled plate 4 that sets up between adjacent annular waist rail 3 adopts the fissure of displacement to assemble, and the fissure of displacement of waist rail 3 is assembled and to be can so that the inside transmission ring internal force of annular waist rail 3, promotes bulk strength. The stagger joint installation of buckled plate 4 can make obvious logical seam seepage condition can not appear after the slip casting for can form fine compound compressive structures between buckled plate 4 and the back soil body.
As shown in fig. 3, the plurality of through-length columns 9 are disposed on two opposite sides of the annular wale 3 and fixedly connected to the annular wale 3 by welding or connecting members 8, and the through-length columns 9 disposed on the opposite sides of the wale 3 are disposed in pairs in an opposite manner. The full-length upright post 9 can increase the whole protection performance of the supporting structure, but in order to ensure the protection effect of the assembled supporting structure, the full-length upright post 9 needs to be arranged on the waist rail 3 relatively to balance the stress. The connecting piece 8 is a few style of calligraphy, to a few style of calligraphy base that both sides stretch out with 3 bolted connection of waist rail, welded mode can improve lead to long stand 9 and 3 rigid coupling ability of waist rail but be unfavorable for the recovery after the construction and disassemble, use connecting piece 8 will lead to long stand 9 and 3 to be connected and guaranteed joint strength also convenient to detach and retrieve and recycle. The pair brace 5, the angle brace 6 and the splayed brace 7 are made of channel steel or I-steel, and different steel types are selected according to field geological conditions and construction environments.
This embodiment is the preferred embodiment of the present invention, not limiting the protection scope of the present invention according to this, so: all equivalent changes made according to the knot, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a push pipe working well assembled supporting construction, is including setting up in ring roof beam (1) of push pipe working well head, characterized by: the assembled supporting structure comprises four-corner upright posts (2), a waist beam (3), corrugated plates (4), through long upright posts (9) and inner supports, the assembled supporting structure is erected downwards along the top of the pipe-jacking working well in a segmented mode, and two adjacent sections of assembled supporting structures are fixedly connected;
the four-corner upright columns (2) are arranged at four corners of the working well and are fixedly connected with the waist beam (3), and the waist beam (3) is assembled into a ring;
the corrugated plate (4) is fixedly connected with the waist beam (3) through a connecting bolt, and grouting holes are reserved in the corrugated plate (4);
the through long upright post (9) is fixedly connected with the waist beam (3) and is vertical to the horizontal plane of the working well;
the inner support is arranged on the inner side of the annular waist rail (3) and is fixedly connected with the waist rail (3).
2. The pipe jacking working well fabricated supporting structure of claim 1, wherein: the first waist beam (3) positioned at the top of the working well is fixedly connected with an embedded part arranged in the ring beam (1) at the end part of the pipe-jacking working well through bolts.
3. The pipe jacking working well fabricated supporting structure of claim 2, wherein: the internal stay has to prop (5), angle brace (6) and splayed brace (7), to propping (5) and being on a parallel with the working well setting, to the both ends that prop (5) respectively with the relative both sides rigid coupling of annular waist roof beam (3), angle brace (6) set up in annular waist roof beam (3) four corners and be 45 rigid couplings with adjacent waist roof beam (3), splayed brace (7) one end and waist roof beam (3) rigid coupling other end and prop (5) rigid coupling.
4. A pipe-jacking working well fabricated supporting structure according to any one of claims 1 to 3, wherein: and the adjacent waist beams (3) arranged in the supporting structure in the working well are assembled by adopting staggered joints.
5. The pipe jacking working well fabricated supporting structure of claim 4, wherein: the corrugated plates (4) arranged between the adjacent annular waist beams (3) are assembled by adopting staggered joints.
6. The pipe jacking working well fabricated supporting structure of claim 5, wherein: the through long upright columns (9) are arranged in a plurality of positions on two opposite sides of the annular waist beam (3) and fixedly connected with the annular waist beam (3) through welding or connecting pieces (8), and the through long upright columns (9) on the opposite sides of the waist beam (3) are arranged in pairs in opposite directions.
7. The pipe jacking working well fabricated supporting structure of claim 6, wherein: the connecting piece (8) is in a shape of a Chinese character 'ji', and the bottom edges of the Chinese character 'ji' extending towards the two sides are connected with the waist rail (3) through bolts.
8. The pipe jacking working well fabricated supporting structure of claim 3, wherein: the pair brace (5), the angle brace (6) and the splayed brace (7) are made of channel steel or I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159547.3U CN212742573U (en) | 2020-06-19 | 2020-06-19 | Pipe jacking working well assembled supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159547.3U CN212742573U (en) | 2020-06-19 | 2020-06-19 | Pipe jacking working well assembled supporting construction |
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| Publication Number | Publication Date |
|---|---|
| CN212742573U true CN212742573U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021159547.3U Expired - Fee Related CN212742573U (en) | 2020-06-19 | 2020-06-19 | Pipe jacking working well assembled supporting construction |
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| CN (1) | CN212742573U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669078A (en) * | 2021-08-24 | 2021-11-19 | 临沂市政集团有限公司 | Pipe jacking working well construction is with assembled reinforced apparatus |
| CN114278306A (en) * | 2021-12-13 | 2022-04-05 | 中铁上海工程局集团市政环保工程有限公司 | Micro pipe jacking operation working well supporting structure and construction process thereof |
| CN114319442A (en) * | 2021-12-22 | 2022-04-12 | 深圳市市政工程总公司 | Assembled ring beam structure of working well |
| CN114319443A (en) * | 2021-12-22 | 2022-04-12 | 深圳市市政工程总公司 | Assembled working well |
| CN117988357A (en) * | 2024-04-07 | 2024-05-07 | 中国铁建大桥工程局集团有限公司 | Ultra-large diameter column pile foundation supporting structure and construction method |
-
2020
- 2020-06-19 CN CN202021159547.3U patent/CN212742573U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669078A (en) * | 2021-08-24 | 2021-11-19 | 临沂市政集团有限公司 | Pipe jacking working well construction is with assembled reinforced apparatus |
| CN113669078B (en) * | 2021-08-24 | 2024-06-04 | 临沂市政集团有限公司 | Assembled reinforcing apparatus is used in push pipe working well construction |
| CN114278306A (en) * | 2021-12-13 | 2022-04-05 | 中铁上海工程局集团市政环保工程有限公司 | Micro pipe jacking operation working well supporting structure and construction process thereof |
| CN114319442A (en) * | 2021-12-22 | 2022-04-12 | 深圳市市政工程总公司 | Assembled ring beam structure of working well |
| CN114319443A (en) * | 2021-12-22 | 2022-04-12 | 深圳市市政工程总公司 | Assembled working well |
| CN114319443B (en) * | 2021-12-22 | 2023-09-26 | 深圳市市政工程总公司 | Assembled working well |
| CN114319442B (en) * | 2021-12-22 | 2023-11-17 | 深圳市市政工程总公司 | Assembled ring beam structure of working well |
| CN117988357A (en) * | 2024-04-07 | 2024-05-07 | 中国铁建大桥工程局集团有限公司 | Ultra-large diameter column pile foundation supporting structure and construction method |
| CN117988357B (en) * | 2024-04-07 | 2024-06-04 | 中国铁建大桥工程局集团有限公司 | Ultra-large diameter column pile foundation supporting structure and construction method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |