CN201915414U - Spliced steel box coefferdam - Google Patents
Spliced steel box coefferdam Download PDFInfo
- Publication number
- CN201915414U CN201915414U CN2010206491095U CN201020649109U CN201915414U CN 201915414 U CN201915414 U CN 201915414U CN 2010206491095 U CN2010206491095 U CN 2010206491095U CN 201020649109 U CN201020649109 U CN 201020649109U CN 201915414 U CN201915414 U CN 201915414U
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Abstract
The utility model discloses a spliced steel box coefferdam which belongs to the technical field of a temporary water blocking device, and structurally comprises a plurality of steel boxes which are mutually spliced, and position piles arranged at one side of each steel box, wherein each steel box is formed by welding side plates at two sides, end plates at two ends and a bottom plate, the lower edges of the side plates and the end plates extend to the position under the outer side of the bottom plate, the lower side of the bottom plate is welded with a plurality of reinforcing rib plates which are parallel, two ends of each reinforcing rib are welded and connected with the inner sides of the two side plates, connecting plates which are mutually parallel are welded and connected between the two side plates, the upper side of the bottom plate is provided with a water pumping and discharging pipe which extends to the upper openings of the steel boxes, a hole is arranged at the position of the bottom plate, which corresponds to the inner cavity of the water pumping and discharging pipe, and water valves communicating the inner side space and outer side space of the steel boxes are arranged at the positions of the two side plates, which are higher than the bottom plate. The spliced steel box coefferdam has the advantages that the construction is convenient, the steel boxes have high strength, the structure is stable, and the anti-impact and anti-leakage effects are good. The spliced steel box coefferdam can be used for the rivers, beaches, bridge deep foundations, seawall constructions and other places.
Description
Technical field
A kind of device that temporarily blocks water when the utility model relates to the construction of a kind of river course, particularly a kind of cofferdam.
Background technology
The cofferdam is to go along with sb. to guard him the hydraulic structure construction foundation pit, builds for construction at dry land, makes it avoid the temporary water dash building of current or wave effect.The cofferdam is divided into earth embankment cofferdam, stone cofferdam, wood sheet-pile cofferdam, crib cofferdam, steel sheet-pile cofferdam, fore shaft pile tube cofferdam, concrete cofferdam etc., and using more in Jiangsu Province is earth embankment cofferdam and steel sheet-pile cofferdam.The sea wall cofferdam more will be able to take high water mark, wave and wind-force and attack.High water mark, hurricane have repeatedly appearred in the coastal area in recent years, make that many packeted soils cofferdam is washed upside down, and the construction plant water inlet causes any property loss and construction delay.Steel sheet-pile cofferdam piling is all compared difficulty with pile pulling, do bottom concrete and construct or banket, and workload is big.Homemade steel sheet pile is yielding, influences water sealing effect, and the inlet plate stake is also more expensive.
The utility model content
The purpose of this utility model provides a kind of pin-connected panel steel cofferdam, makes its Stability Analysis of Structures, antiseepage, shock resistance, and need not to carry out bottom concrete construction or banket.
The purpose of this utility model is achieved in that a kind of pin-connected panel steel cofferdam, comprise the guide pile that a side of the steel case of some mutual splicings and steel case is provided with, described steel case is by the side plate of both sides, the end plate and the base plate at two ends are welded, side plate and end plate lower limb extend to the plate outer side below, described base plate downside is welded with some reinforcement gussets that parallel, strengthening gusset two ends and biside plate lower limb inboard is welded to connect, also be welded to connect the junction plate that is parallel to each other between the biside plate, described base plate upside is provided with and extends to steel case pump drainage water pipe suitable for reading, with the corresponding hole that is provided with of pump drainage water pipe inner chamber, be higher than the base plate position on the described biside plate and be provided with outer space in the water valve connection steel case on the base plate.
In this cofferdam, riverbed bottom can be inserted in side plate and end plate bottom, forms leakage preventing structure, have good block water, the antiseepage effect; Not only can be used for the water of pump drainage steel case bottom by the pump drainage water pipe, promote the steel caisson sinking to put in place, simultaneously, can observe the steel case that sinks to behind the position and whether have seepage; Guide pile plays the role of positioning, and avoids the displacement of steel case.The internal construction of steel case integral body makes it have high-intensity characteristics, and simultaneously, water valve can cut off steel case interior or exterior space, and during construction, but compressed steel case under the water-filling when removing the steel case, also can be drained the water in the steel case, impels steel case come-up.Compared with prior art, the beneficial effects of the utility model are: its easy construction, and steel case intensity height, Stability Analysis of Structures, shock resistance, antiseep are effective, need not to carry out the bottom concrete construction or banket; Each steel case has relatively independent function, but on-site consolidation connects into the cofferdam, the steel case not only can interconnect assembly unit in the longitudinal direction, on short transverse, also can achieve assembly unit by adpting flange is set, this cofferdam that is assembled into is as a kind of interim anti-drainage facility, its assembly unit and dismounting operation are all very convenient, can be used for places such as river course water conservancy projects construction, the construction of bridge deep water foundation, beach, sea wall construction, have advantages such as antiseep, protection against erosion, anti-landslide, wave resistance.
Can construct more easily for the assurance guide pile, described guide pile comprises pile crown and pile body, and pile crown is connected the pile body lower end of tubulose, and pile crown is tapered and carry helicla flute, and the pile body bilateral symmetry is provided with guide.It is underground that this guide pile can adopt the method self tapping of rotation to enter, and also can withdraw from by opposite spin, made things convenient for time stake, simultaneously, also made things convenient for a stake.Unshift for guaranteeing the steel case, can be provided with the hardwood cushion block between described pile body and the steel case.
For the further cofferdam leakproof that guarantees, simultaneously, also have better protecting against shock effect, the described steel case prestowage saddle weight that is provided with suitable for reading, described prestowage saddle weight is bearing on the biside plate, is provided with positioning spigot between prestowage saddle weight and the respective side panels.Compressed steel case under the prestowage saddle weight, it is underground that side plate and end plate are inserted, and avoids seepage; Simultaneously, the prestowage saddle weight has increased whole weight, makes it shock-resistant.
For reducing manufacturing cost, simultaneously, provide current facility, described prestowage saddle weight is a reinforced concrete prefabricated board, the reinforced concrete prefabricated board both sides are equipped with protective guard.Can form the transit passage of people or vehicle.
As further improvement of the utility model, described pump drainage water pipe have two and respectively correspondence be arranged on the base plate two ends.Described water valve also can be arranged with two on each side plate, be respectively equipped with the fabrication hole that space in the steel case is connected on each junction plate.Technique scheme can guarantee that pump drainage water is convenient, even the height at steel case two ends is variant, also can carry out pump drainage water better.Certainly, gutter and water valve are not limited to above-mentioned two, can one or more be set according to steel case length.
Description of drawings
Fig. 1 is the utility model pin-connected panel steel cofferdam three-dimensional structure diagram;
Fig. 2 is the front view of the utility model pin-connected panel steel cofferdam;
Fig. 3 is the left view of the utility model pin-connected panel steel cofferdam;
Fig. 4 is that the A-A of pin-connected panel steel cofferdam among Fig. 2 is to view;
Fig. 5 is the vertical view of the utility model pin-connected panel steel cofferdam;
Fig. 6 is that the B-B of pin-connected panel steel cofferdam among Fig. 5 is to view.
Wherein, 1,14 end plates, 2 hardwood cushion blocks, 3 guide piles, 4 guides, 5,11 side plates, 6 pile crowns, 7 water valves, 8 handwheels, 9 protective guards, 10 prestowage saddle weights, 12 junction plates, 13 pump drainage water pipes, 15 strengthen gusset, 16 base plates, 17 fabrication holes.
The specific embodiment
Shown in Fig. 1-6, be a kind of pin-connected panel steel cofferdam, its structure mainly comprises the guide pile 3 that a side of the steel case of some mutual splicings and steel case is provided with, the steel case is by the side plate 5 and 11 of both sides, the end plate 1 at two ends and 14 and base plate 16 be welded, side plate 5,11 and end plate 1,14 lower limbs extend to base plate 16 outer side-lowers, base plate 16 downsides are welded with some reinforcement gussets 15 that parallel, strengthen gusset 15 two ends and biside plate 5,11 lower limb inboards are welded to connect, biside plate 5, also be welded to connect the junction plate 12 that is parallel to each other between 11, base plate 16 upsides are provided with and extend to steel case pump drainage water pipe 13 suitable for reading, on the base plate 16 with the corresponding hole that is provided with of pump drainage water pipe 13 inner chambers, aperture Φ 900mm, bore edges is welded with flange, pump drainage water pipe 13 end opening correspondences are provided with flange and dock with it, the employing stainless steel bolt connects, and bolt hole is with fluid sealant and fill up the valve rubber sealing; Be higher than base plate 16 positions on the biside plate 5,11 and be provided with outer space in the water valve 7 connection steel casees, it is suitable for reading that the handwheel 8 of switch water valve 7 is arranged on casing; Described guide pile 3 comprises pile crown 6 and pile body, and pile crown 6 is connected the pile body lower end of tubulose, and pile crown 6 is tapered and carry helicla flute, pile body is made by steel pipe, pile crown 6 is made by the antirust composition steel, and the pile body bilateral symmetry is provided with guide 4, and guide 4 is welded by channel-section steel; The steel case prestowage saddle weight 10 that is provided with suitable for reading, described prestowage saddle weight 10 is bearing on the biside plate 5,11, be provided with positioning spigot between prestowage saddle weight 10 and the respective side panels 5,11, this prestowage saddle weight 10 is a reinforced concrete prefabricated board, and the reinforced concrete prefabricated board both sides are equipped with protective guard 9; Be provided with hardwood cushion block 2 between pile body and the steel case.
Above-mentioned pump drainage water pipe 13 have two and respectively correspondence be arranged on base plate 16 two ends; Water valve 7 is arranged with two on each side plate 5,11, be respectively equipped with the fabrication hole 17 that space in the steel case is connected on each junction plate 12.
This device can be whole along short transverse by 3 meters high sublevels, between section and the section adpting flange is set and connects with high-strength bolt, the M position is the segmentation position as shown in FIG., the thick rubber strip sealing of middle pad 1cm is conveniently dismounting, connecting bolt all is arranged on the inboard.Side plate 5,11, end plate 1,14, base plate 16 thickness of slab 6-10mm, junction plate 12 and reinforcing rib can adopt shaped steel or flanging material.
The job practices of this pin-connected panel steel cofferdam comprises the steps:
1), determine the position that the steel case will sink to, carry out mark, to foundation ditch remove contamination, desilting handles; Dispose all foreign material under water that the steel case sinks to the position, the desilting width is greater than steel case width, length should be smooth at the bottom of the riverbed of clearing up greater than steel case length overall, and the desilting degree of depth will be according to the soil property situation, after being inserted, side plate 5,11 can reach the purpose of plate antiseepage, therefore, base plate determines according to channel characteristics that from the distance of side plate lower edge distance is big more, side plate inserts dark more, and anti-seepage effect is good more;
2) steel case, guide pile 3 and the reinforced concrete prefabricated board that adheres to specification is transported to the scene; Earlier the steel case is carried out assembly unit, adopt bolt to be connected and fixed between the adjacent steel case end, the bolt link position adopts the rubber seal sealing;
3), close water valve 7, the steel case that assembly unit is linked together moves to the position that will sink to, behind the centering position, at first open water valve 7 and carry out water-filling, after side plate 5,11 and end plate 1,14 touch the riverbed, the pump drainage water pipe 13 beginning overflows in the steel case;
4), treat that the inside and outside water level of steel case is equal after, close water valve 7;
5), the steel case is carried out compressed steel case under the water-filling, make its sinking, case prodelta clay water is taken out outward by pump drainage water pipe 13 with water pump simultaneously with water pump;
6), when the steel case no longer sinks, when observing pump drainage water pipe 13 and having or not infiltration,, need to continue to sink by the steel case at the steel case reinforced concrete prefabricated board that adds suitable for reading if any infiltration, do not have infiltration until observing pump drainage water pipe 13; Throw brick matter clay in the nearly water surface one side along side plate 5,11, the sealing antiseepage; The steel case no longer sinks and when not having infiltration, also can be at the steel case reinforced concrete prefabricated board of laying successively suitable for reading, and at the reinforced concrete prefabricated board side frames guardrail 9 of setting up defences.
7), in the side that needs are drained, following guide pile 3, guide pile 3 pierce the bottom, riverbed by its rotation of motor-driven; The output shaft of motor drives reductor, and the output shaft of reductor drives a pair of worm screw, worm gear, and the worm gear middle part is an actuating sleeve, and actuating sleeve can drive guide pile 3 rotations by guide 4, makes guide pile 3 realize rise and fall; After guide pile 3 is fixed, between guide pile 3 and steel case, squeeze into hardwood cushion block 2;
9), abutment pier location, shutoff are set at steel case two ends; Or such pin-connected panel steel case surrounded square or round, location mutually in twos, joint rubber sealing, square or round in the middle of the required construction plant of formation.
10), drain ponding in the construction plant, finish construction.
When needs are removed the cofferdam, give a construction interior water-filling earlier, make outside water level balance in the cofferdam, remove the fixture of steel case again, trip out guide pile 3, remove prestowage saddle weight 10, close water valve 7 again, in the casing to extracardiac pumping, make to winch on the bank after the steel case come-up and remove, behind the transportation of dismounting back, the touch-up paint, store standby.
On the basis of the disclosed technical scheme of the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in falling into the protection domain of utility model.
Claims (7)
1. pin-connected panel steel cofferdam, it is characterized in that: comprise the guide pile that a side of the steel case of some mutual splicings and steel case is provided with, described steel case is by the side plate of both sides, the end plate and the base plate at two ends are welded, side plate and end plate lower limb extend to the plate outer side below, described base plate downside is welded with some reinforcement gussets that parallel, strengthening gusset two ends and biside plate lower limb inboard is welded to connect, also be welded to connect the junction plate that is parallel to each other between the biside plate, described base plate upside is provided with and extends to steel case pump drainage water pipe suitable for reading, with the corresponding hole that is provided with of pump drainage water pipe inner chamber, be higher than the base plate position on the described biside plate and be provided with outer space in the water valve connection steel case on the base plate.
2. pin-connected panel steel cofferdam according to claim 1, it is characterized in that: described guide pile comprises pile crown and pile body, and pile crown is connected the pile body lower end of tubulose, and pile crown is tapered and carry helicla flute, and the pile body bilateral symmetry is provided with guide.
3. pin-connected panel steel cofferdam according to claim 1 and 2 is characterized in that: the described steel case prestowage saddle weight that is provided with suitable for reading, described prestowage saddle weight is bearing on the biside plate, is provided with positioning spigot between prestowage saddle weight and the respective side panels.
4. pin-connected panel steel cofferdam according to claim 3 is characterized in that: described prestowage saddle weight is a reinforced concrete prefabricated board, and the reinforced concrete prefabricated board both sides are equipped with protective guard.
5. pin-connected panel steel cofferdam according to claim 4 is characterized in that: be provided with the hardwood cushion block between described pile body and the steel case.
6. pin-connected panel steel cofferdam according to claim 4 is characterized in that: described pump drainage water pipe have two and respectively correspondence be arranged on the base plate two ends.
7. pin-connected panel steel cofferdam according to claim 4 is characterized in that: described water valve is arranged with two on each side plate, is respectively equipped with the fabrication hole that space in the steel case is connected on each junction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206491095U CN201915414U (en) | 2010-12-09 | 2010-12-09 | Spliced steel box coefferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206491095U CN201915414U (en) | 2010-12-09 | 2010-12-09 | Spliced steel box coefferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915414U true CN201915414U (en) | 2011-08-03 |
Family
ID=44415218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206491095U Expired - Lifetime CN201915414U (en) | 2010-12-09 | 2010-12-09 | Spliced steel box coefferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915414U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061706A (en) * | 2010-12-09 | 2011-05-18 | 江苏省水利机械制造有限公司 | Assembly steel box cofferdam and construction method thereof |
| CN102691307A (en) * | 2012-06-13 | 2012-09-26 | 中交通力建设股份有限公司 | Construction method for caisson at tunnel portal section |
| CN104328792A (en) * | 2013-07-23 | 2015-02-04 | 中交二航局第三工程有限公司 | Bottomless double-wall steel cover box assembling structure |
| CN104452660A (en) * | 2014-11-07 | 2015-03-25 | 武汉钢铁(集团)公司 | Detachable landscape wave wall hollow section with concave and convex ribs and manufacturing method thereof |
| CN105019465A (en) * | 2015-07-08 | 2015-11-04 | 成都绿迪科技有限公司 | Localizable cofferdam plate structure |
-
2010
- 2010-12-09 CN CN2010206491095U patent/CN201915414U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061706A (en) * | 2010-12-09 | 2011-05-18 | 江苏省水利机械制造有限公司 | Assembly steel box cofferdam and construction method thereof |
| CN102061706B (en) * | 2010-12-09 | 2013-06-05 | 江苏省水利机械制造有限公司 | Assembly steel box cofferdam and construction method thereof |
| CN102691307A (en) * | 2012-06-13 | 2012-09-26 | 中交通力建设股份有限公司 | Construction method for caisson at tunnel portal section |
| CN102691307B (en) * | 2012-06-13 | 2014-08-13 | 中交通力建设股份有限公司 | Construction method for caisson at tunnel portal section |
| CN104328792A (en) * | 2013-07-23 | 2015-02-04 | 中交二航局第三工程有限公司 | Bottomless double-wall steel cover box assembling structure |
| CN104328792B (en) * | 2013-07-23 | 2016-06-01 | 中交二航局第三工程有限公司 | Bottomless double-wall steel casing splicing structure |
| CN104452660A (en) * | 2014-11-07 | 2015-03-25 | 武汉钢铁(集团)公司 | Detachable landscape wave wall hollow section with concave and convex ribs and manufacturing method thereof |
| CN104452660B (en) * | 2014-11-07 | 2016-05-25 | 武汉钢铁(集团)公司 | The manufacture method of the hollow section with the two muscle of convex-concave for detachable view bulwark |
| CN105019465A (en) * | 2015-07-08 | 2015-11-04 | 成都绿迪科技有限公司 | Localizable cofferdam plate structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110803 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |