CN203808086U - Water descending barrel for open caisson bottom sealing - Google Patents
Water descending barrel for open caisson bottom sealing Download PDFInfo
- Publication number
- CN203808086U CN203808086U CN201420257526.3U CN201420257526U CN203808086U CN 203808086 U CN203808086 U CN 203808086U CN 201420257526 U CN201420257526 U CN 201420257526U CN 203808086 U CN203808086 U CN 203808086U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- body structure
- open caisson
- sealing water
- back cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A water descending barrel for open caisson bottom sealing comprises an upper barrel body structure, a lower water filter structure and a water sealing steel plate. The upper barrel body structure is welded by steel plates. An upper water stopping steel plate annular piece and a lower water stopping steel plate annular piece are welded in the middle of the upper barrel body structure. A water stopping rubber ring is mounted on the downward part of the lower water stopping steel plate annular piece. A plurality of bolt holes are formed in each of the water stopping rubber ring and the lower water stopping steel plate annular piece and used for being connected with water sealing steel plates. The lower water filter structure is welded by reinforced steel bars. The lower water filter structure is a cylindrical reinforcement cage, the bottom of the reinforcement cage is sealed, the upper portion of the reinforcement cage is open, a water filter steel wire mesh wraps the reinforcement cage, and the cylindrical reinforcement cage is welded to the upper barrel body structure. The water sealing steel plates are circular. Screws and guide pins are welded to the water sealing steel plates and used for being connected with the lower water stopping steel plate annular piece. The water descending barrel is applicable to water descending during open caisson bottom sealing.
Description
Technical field
The utility model relates to a kind of precipitation bucket for the construction of open caisson back cover.For the open caisson concrete cushion under rough swell water geological conditions and the precipitation operation of concrete floor work progress.
Background technology
Development along with China's infrastructure construction, large-scale well-sinking is as a kind of important underground structure and buried base form, be widely applied to municipal engineering, when open caisson back cover absolute altitude place meets with the hydrogeological situation of rough swell water, can bring very large difficulty to the construction of open caisson back cover, effectively dewatering mode becomes the key link of open caisson back cover construction control, due to limited space in open caisson, and water yield is large, adopt the interior pipe well precipitation method of traditional sump dewatering mode or well to be all difficult to solve a difficult problem for rough swell water in open caisson.
Summary of the invention
The purpose of this utility model is to provide the precipitation bucket for the construction of open caisson back cover of a kind of easy to operate, practical, dewatering effect and good seepage-proof property.
The utility model is by achieving the above object by the following technical solutions: a kind of precipitation bucket for the construction of open caisson back cover, comprises top bucket body structure, bottom filter structure and water shutoff steel plate.In the middle of the bucket body structure of described top, be welded with upper and lower twice steel plate for sealing water ring plate, lower road steel plate for sealing water ring plate is provided with watertight rubber ring in position down, lower road steel plate for sealing water ring plate and watertight rubber ring offer some bolt eyelets, bottom filter structure is the cylindric reinforcing bar cage of upper opening, bottom lock, outsourcing drainage gauze wire cloth, water shutoff steel plate Yu Xia road steel plate for sealing water ring plate bolt eyelet correspondence position is welded with screw rod, for He Xia road steel plate for sealing water ring plate, connects.
Described top bucket body structure is processed by the steel plate of thickness of slab 8mm, and diameter is 1.3～1.5m, is highly 2m～2.5m.
Described steel plate for sealing water ring plate adopts the steel plate materials identical with top bucket body structure to make, and the wide 200mm of steel plate for sealing water ring plate respectively stretches out 100mm inside and outside bucket body structure.
Described watertight rubber ring external diameter is identical with top bucket body structure internal diameter, width 100mm, thickness 10mm, Xia road steel plate for sealing water ring plate downside fastens with glue, lower road steel plate for sealing water ring plate and watertight rubber are equipped with the bolt eyelet of 16 diameter 20mm, and bolt eyelet position is uniformly distributed.
The indented bars that the reinforcement bar diameter of described reinforcing cage is 22～25, distribute spacing is 100mm～120mm.
Described muscle cage internal diameter is identical with top bucket body structure external diameter, is highly 1.2m～1.5m.
The stainless (steel) wire that described drainage gauze wire cloth specification is 4X4, stainless (steel) wire string diameter 1.6mm, aperture 4.75mm, is fixed on reinforcing cage external surface by stainless (steel) wire with iron wire colligation, and reinforcing cage is connected with top bucket body structure outer wall by welding.
Described water shutoff steel plate is circular, and thickness is 10mm, and diameter is than the little 20mm of top bucket body structure internal diameter.
Position corresponding to steel plate for sealing water ring plate bolt eyelet, described water shutoff steel plate Yu Xia road is welded with 16 screw rods, and be welded with and lead along pin rod on two screw rods of relative 180 degree positions, leading along pin rod is than the reinforcing bar of the little 3mm of screw diameter, leads along pin rod upper end through two bolt eyelets corresponding to bucket body structure Xia road, top steel plate for sealing water ring plate.
In the middle of described water shutoff steel plate, be welded with shackle, by shackle, mention lower road steel plate for sealing water, water shutoff steel plate He Xia road steel plate for sealing water ring plate realizes water shutoff function after connecting.
Outstanding advantages of the present utility model is:
There is staving space large, water permeability is good, precipitation depth is dark, can be by lay the drainage operation of drawing water of two high-power suction pumps simultaneously, for open caisson back cover construction provides necessary drying operation environment, this precipitation bucket is provided with water shutoff steel plate device and can realizes fast and close water function simultaneously, and precipitation bucket is provided with twice steel plate for sealing water ring plate in addition, improve open caisson underplate concrete antiseepage function, the utlity model has the advantages such as easy to operate, practical, dewatering effect and good seepage-proof property.
Accompanying drawing explanation
Fig. 1 is the structural representation of the precipitation bucket for the construction of open caisson back cover described in the utility model.
Fig. 2 is that the top bucket body structure of the precipitation bucket for the construction of open caisson back cover described in the utility model cuts open elevational schematic view.
Fig. 3 is the top bucket body structure 1-1 generalized section of the precipitation bucket for the construction of open caisson back cover described in the utility model.
Fig. 4 is the bottom filter structure floor map of the precipitation bucket for the construction of open caisson back cover described in the utility model.
Fig. 5 is the bottom filter structure facade face schematic diagram of the precipitation bucket for the construction of open caisson back cover described in the utility model.
Fig. 6 is the water shutoff steel plate floor map of the precipitation bucket for the construction of open caisson back cover described in the utility model.
Fig. 7 is the water shutoff steel plate elevational schematic view of the precipitation bucket for the construction of open caisson back cover described in the utility model.
Fig. 8 is the use state elevational schematic view of the precipitation bucket for the construction of open caisson back cover described in the utility model.
The specific embodiment
By drawings and Examples, the technical solution of the utility model is described further below.
As shown in Figures 1 to 9, the precipitation bucket for the construction of open caisson back cover described in the utility model, comprises top bucket body structure 1, bottom filter structure 2 and water shutoff steel plate 3.Concrete structure and annexation are: described water shutoff steel plate 3 is placed in bottom filter structure 2, it leads the bolt eyelet 8 through top bucket body structure 1 Xia road steel plate for sealing water ring plate 5 along bolt rod 12, and exposing 200mm, the reinforcing cage reinforcing bar 8 of bottom filter structure 2 is welded on the staving lower end outer wall 7 of top bucket body structure 1.
Described top bucket body structure 1 is processed by the steel plate of thickness of slab 8mm, diameter is 1.3～1.5m, height is determined according to open caisson construction of bottom plates thickness and precipitation depth, be generally 2m～2.5m, in the middle of bucket body structure, be provided with upper track steel plate for sealing water ring plate 4 Ji Xia road steel plate for sealing water ring plates 5, twice steel plate for sealing water ring plate all adopts the steel plate materials identical with top bucket body structure to make, the wide degree of steel plate for sealing water ring plate is 200mm, inside and outside bucket body structure 1, respectively stretch out 100mm, wherein descend road steel plate for sealing water ring plate 5 watertight rubber ring 6 to be installed position down, watertight rubber ring 6 external diameters are identical with top bucket body structure 1 internal diameter, width 100mm, thickness 10mm, fasten with glue at the downside of top bucket body structure 1 Xia road, inner side steel plate for sealing water ring plate 5, lower road steel plate for sealing water ring plate 5 and watertight rubber ring 6 are offered the bolt eyelet 8 of 16 diameter 20mm, bolt eyelet 8 positions are uniformly distributed, for being connected with the screw rod 11 of sealing water shutoff steel plate 3,
Described bottom filter structure 2 is to be welded into bottom lock, upper opening, outsourcing drainage steel fabric sheet reinforcing cage 10 cylindraceous by reinforcement bar 9, reinforcement bar 8 is the indented bars of diameter 22～25, spacing is 100mm～120mm, reinforcing cage internal diameter is identical with top bucket body structure 1 external diameter, be highly 1.2m～1.5m, the stainless (steel) wire sheet that drainage steel fabric sheet 10 specifications are 4 * 4, string diameter 1.6mm, aperture 4.75mm, with iron wire colligation, be fixed on reinforcing cage external surface, reinforcing cage is connected with top bucket body structure 1 outer wall by welding;
Described water shutoff steel plate 3 is circular, thickness is 10mm, diameter dimension is than the little 20mm of top bucket body structure 1 internal diameter, during water shutoff steel plate 3 duty, be positioned at reinforcing cage bottom, under correspondence, the position of road steel plate for sealing water ring plate 5 bolt eyelet 8 correspondences is welded with 16 screw rods 11, and be welded with on two screw rods 11 of relative 180 degree positions and lead along pin rod 12 therein, leading along pin rod 12 is than the reinforcing bar of the little 3mm of screw rod 10 diameter, upper end is through two bolt eyelets 8 of top bucket body structure 1 Xia road steel plate for sealing water ring plate 5 correspondences, in the middle of water shutoff steel plate 3, be welded with shackle 13, be used for promoting steel plate for sealing water 3, after connecting, He Xia road steel plate for sealing water ring plate 5 can realize water shutoff function.
The using method of the precipitation bucket for the construction of open caisson back cover described in the utility model, comprises the steps:
A) hook machine excavation sump 17 for first open caisson middle part, then precipitation bucket is hung to sump 17, and fill out and put microlith drainage gravel material 18 at precipitation bucket and sump periphery, microlith drainage gravel material 18 is covered to the bottom filter structure 2 of bucket.
B) by suction pump, be placed into the operation of drawing water in precipitation bucket, groundwater table is reduced and remain on metastable state; The power of suction pump and number of units are determined according to water yield size.
C), in precipitation, carry out soil excavation and the open caisson 15 blinding concrete constructions of open caisson.
D) open caisson blinding concrete 15 is built at twice, when building to two-step pouring line of demarcation 16, and after concrete reaches some strength, suction pump is proposed, by the lancet of water shutoff steel plate 3 13 is elevated water shutoff steel plate 3, leading along under the guiding of pin rod 12, the screw rod on water shutoff steel plate 3 11 is interted and entered in the bolt eyelet 8 of top tubular construction 1 Xia road water-stopping steel ring plate 5.
E) personnel are down to erection bolt in precipitation bucket and tighten just and can realize water shutoff.
F) after the sealing of precipitation bucket, proceed the construction to open caisson bed course 15 and open caisson underplate concrete structure 14, and adopt concrete that precipitation bucket upper space is built and filled up.
Claims (10)
1. the precipitation bucket for open caisson back cover construction, comprise top bucket body structure, bottom filter structure and water shutoff steel plate, it is characterized in that, in the middle of the bucket body structure of described top, be welded with upper and lower twice steel plate for sealing water ring plate, lower road steel plate for sealing water ring plate is provided with watertight rubber ring in position down, lower road steel plate for sealing water ring plate and watertight rubber ring offer some bolt eyelets, bottom filter structure is upper opening, bottom lock, the cylindric reinforcing bar cage of outsourcing drainage gauze wire cloth, water shutoff steel plate Yu Xia road steel plate for sealing water ring plate bolt eyelet correspondence position is welded with screw rod, for He Xia road steel plate for sealing water ring plate, connect.
2. the precipitation bucket for the construction of open caisson back cover according to claim 1, is characterized in that, described top bucket body structure is processed by the steel plate of thickness of slab 8mm, and diameter is 1.3～1.5m, is highly 2m～2.5m.
3. the precipitation bucket for the construction of open caisson back cover according to claim 1, is characterized in that, described steel plate for sealing water ring plate adopts the steel plate materials identical with top bucket body structure to make, and the wide 200mm of steel plate for sealing water ring plate respectively stretches out 100mm inside and outside bucket body structure.
4. the precipitation bucket for open caisson back cover construction according to claim 1, it is characterized in that, described watertight rubber ring external diameter is identical with top bucket body structure internal diameter, width 100mm, thickness 10mm, the Xia road steel plate for sealing water ring plate downside that fastens with glue, lower road steel plate for sealing water ring plate and watertight rubber are equipped with the bolt eyelet of 16 diameter 20mm, and bolt eyelet position is uniformly distributed.
5. the precipitation bucket for the construction of open caisson back cover according to claim 1, is characterized in that, the indented bars that the reinforcement bar diameter of described reinforcing cage is 22～25, and distribute spacing is 100mm～120mm.
6. the precipitation bucket for the construction of open caisson back cover according to claim 1, is characterized in that, described muscle cage internal diameter is identical with top bucket body structure external diameter, is highly 1.2m～1.5m.
7. the precipitation bucket for open caisson back cover construction according to claim 1, it is characterized in that, the stainless (steel) wire that described drainage gauze wire cloth specification is 4X4, stainless (steel) wire string diameter 1.6mm, aperture 4.75mm, stainless (steel) wire is fixed on to reinforcing cage external surface with iron wire colligation, and reinforcing cage is connected with top bucket body structure outer wall by welding.
8. the precipitation bucket for the construction of open caisson back cover according to claim 1, is characterized in that, described water shutoff steel plate is circular, and thickness is 10mm, and diameter is than the little 20mm of top bucket body structure internal diameter.
9. the precipitation bucket for open caisson back cover construction according to claim 1, it is characterized in that, position corresponding to steel plate for sealing water ring plate bolt eyelet, described water shutoff steel plate Yu Xia road is welded with 16 screw rods, and be welded with and lead along pin rod on two screw rods of relative 180 degree positions, leading along pin rod is than the reinforcing bar of the little 3mm of screw diameter, leads along pin rod upper end through two bolt eyelets corresponding to bucket body structure Xia road, top steel plate for sealing water ring plate.
10. the precipitation bucket for the construction of open caisson back cover according to claim 1, is characterized in that, in the middle of described water shutoff steel plate, is welded with shackle, by shackle, mentions lower road steel plate for sealing water, and water shutoff steel plate He Xia road steel plate for sealing water ring plate realizes water shutoff function after connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257526.3U CN203808086U (en) | 2014-05-20 | 2014-05-20 | Water descending barrel for open caisson bottom sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257526.3U CN203808086U (en) | 2014-05-20 | 2014-05-20 | Water descending barrel for open caisson bottom sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203808086U true CN203808086U (en) | 2014-09-03 |
Family
ID=51446866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257526.3U Expired - Fee Related CN203808086U (en) | 2014-05-20 | 2014-05-20 | Water descending barrel for open caisson bottom sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203808086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846836A (en) * | 2015-05-21 | 2015-08-19 | 中铁四局集团有限公司 | Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device |
| CN109723071A (en) * | 2019-02-23 | 2019-05-07 | 杭州昂创科技有限公司 | The construction method of the double-deck steel drum Yield rainfall relation system built in basement bottom plate rear pouring tape |
| CN110144917A (en) * | 2019-05-16 | 2019-08-20 | 中国水利水电第五工程局有限公司 | A kind of portable anti-filter device of unfavorable geology and its application method |
-
2014
- 2014-05-20 CN CN201420257526.3U patent/CN203808086U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846836A (en) * | 2015-05-21 | 2015-08-19 | 中铁四局集团有限公司 | Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device |
| CN109723071A (en) * | 2019-02-23 | 2019-05-07 | 杭州昂创科技有限公司 | The construction method of the double-deck steel drum Yield rainfall relation system built in basement bottom plate rear pouring tape |
| CN109723071B (en) * | 2019-02-23 | 2021-02-09 | 杭州昂创科技有限公司 | Construction method of double-layer steel drum drainage system built in basement floor post-cast strip |
| CN110144917A (en) * | 2019-05-16 | 2019-08-20 | 中国水利水电第五工程局有限公司 | A kind of portable anti-filter device of unfavorable geology and its application method |
| CN110144917B (en) * | 2019-05-16 | 2024-02-20 | 中国水利水电第五工程局有限公司 | Portable reverse filtering device for bad geology and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20210520 |