CN104278665B - Steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water - Google Patents
Steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water Download PDFInfo
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- CN104278665B CN104278665B CN201410506898.XA CN201410506898A CN104278665B CN 104278665 B CN104278665 B CN 104278665B CN 201410506898 A CN201410506898 A CN 201410506898A CN 104278665 B CN104278665 B CN 104278665B
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- open caisson
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- earth pressure
- proof case
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water, on open caisson wall, earth pressure gauge is buried other the beating in place underground and is located drain hole, preliminary shutoff after punching; In well, personnel utilize laser pen to pass through the outside Emission Lasers bundle of location drain hole, guide diver to locate water proof case; In well, personnel are by the borehole enlargement of location drain hole, and drained by the water in water proof case, external water pressure forces the datum plate of water proof case and inside thereof to be close on open caisson wall; In well, personnel's perforate on open caisson wall, is then welded on the periphery of perforate by mortar box, and earth pressure gauge face is close to datum plate by perforate outwardly, fills fast dry mortar and fix earth pressure gauge rapidly in mortar box; Location drain hole is rammed with tapered steel bolt, and firm welding, form firm shutoff; Open the water intaking valve on water proof case, make outside water enter the inside of water proof case, after inside and outside hydraulic balance, water proof case is separated with open caisson wall, wholely bury operation underground and namely complete.
Description
Technical field
The present invention relates to a kind of earth pressure gauge, be specifically related to a kind of embedded device under water and method for embedding thereof of steel open caisson earth pressure gauge.
Background technology
Open caisson is the base form extensively adopted in underground engineering, is widely used in bridge, mine and Hydraulic and Hydro-Power Engineering.Open caisson is the works of pit shaft shape, sinks to design elevation, then clog wellhole through concrete sealing bottom, become the basis of Bridge Pier or other works, as shown in Figure 1 after relying on self gravitation to overcome borehole wall frictional resistance.In caisson sinking construction process, the contact condition of open caisson sidewall, sword pin and the soil body is very important construction control parameters, needs to bury earth pressure gauge underground to measure the size of soil pressure.
For as the large-scale open caisson foundation across river, Oversea bridge bridge pier, usually make coxopodite steel caisson on the coast, and it is steadily fallen into the water, utilize boat to haul to appointed place, then heightening and sinking section by section in water, until reach design height.Due to many-sided reason such as engineering design or construction organization, sometimes need sidewall and sword pin earth pressure gauge to be installed under water, shown in Fig. 2, at this moment need to punching on open caisson wall, have a large amount of swelling during underwater operation to enter, bring various construction problem, installation difficulty is very large.
Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, provides a kind of and is convenient to underwater operation, simple steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water.
Technical scheme: the invention provides a kind of steel open caisson sidewall and sword pin earth pressure gauge embedded device under water, comprise recording quantity and which is provided with the water proof case of water intaking valve, elastic plate, datum plate, water pump, mortar box and earth pressure gauge, described datum plate is arranged on the open surface of described water proof case by described elastic plate, water proof case is located according to the guiding of the location drain hole on open caisson wall, inside drives datum plate to be close to the side of open caisson wall after drawing water, be adjacent at earth pressure gauge described in the open caisson wall opposite side of relative water proof case on datum plate through the perforate on open caisson wall, the mortar box be welded on open caisson wall is enclosed in the surrounding of described earth pressure gauge.Extraneous water body and open caisson are kept apart by water proof case by apparatus of the present invention, and extract the water of water proof case inside, installation for earth pressure gauge provides dry operating environment, is convenient to burying underground of earth pressure gauge, and in mortar box the fast dry mortar of filling to fix earth pressure gauge fast.
In order to ensure the water proof sealing effectiveness of water proof case, being sealed by rubber sheet gasket between described water proof case and open caisson wall, effectively stoping outside water to enter in water proof case.
Further, described elastic plate is the elastic steel sheet with radian, and datum plate can by the thrust of elastic plate, be close on open caisson wall, described datum plate is poly (methyl methacrylate) plate, light weight, when guaranteeing to install earth pressure gauge, dynamometry face is parallel with open caisson wall, ensures Installation and Measurement precision.
Further, described mortar box be one side with the box body of opening, inside fill out quick-hardening mortar, to fix earth pressure gauge rapidly, ensure earth pressure gauge and mortar inclusion enclave stressed after steadiness; Mortar box aperture area is slightly less than the sectional area of box body, construction period earth pressure gauge and body can be avoided to be released by water pressure, soil pressure, earth pressure gauge is buried underground firm.
Further, described water proof case offers the location window corresponding with the location drain hole on open caisson wall, in well, personnel are by laser pen from the guiding that location drain hole gives off laser beam, and facilitate well outer Divers location water proof case.
Further, described water proof case is provided with water intaking valve, and earth pressure gauge can valve opening be intake after having buried underground, balances external water pressure in described water proof case, water proof case for convenience detach.If water proof case exists deviations, also can adjust every water tank location after valve opening water inlet release.
A kind of steel open caisson sidewall as above and sword pin earth pressure gauge method for embedding under water, comprise the following steps:
(1) on open caisson wall, earth pressure gauge is buried other the beating in place underground and is located drain hole, with the preliminary shutoff of tapered transparent organic glass bolt after punching;
(2) in well, personnel utilize laser pen to pass through the outside Emission Lasers bundle of location drain hole, guide diver to locate water proof case;
(3) in well, personnel are by the borehole enlargement of location drain hole, and utilize water pump to be drained by the water in water proof case, external water pressure forces the datum plate of water proof case and inside thereof to be close on open caisson wall;
(4) personnel's perforate on open caisson wall in well, mortar box, slightly larger than the diameter of earth pressure gauge, is then welded on around perforate by diameter; Afterwards, earth pressure gauge face is close to datum plate outwardly through perforate, in mortar box, fills fast dry mortar fix earth pressure gauge rapidly;
(5) location drain hole is rammed with tapered steel bolt, and firm welding, form firm shutoff;
(6) open the water intaking valve on water proof case, make outside water enter the inside of water proof case, after inside and outside hydraulic balance, water proof case is separated with open caisson wall, wholely bury operation underground and namely complete.
Beneficial effect: 1, no matter at open caisson sidewall or sword pin place, the water in water proof case can be drained fast, and utilize external water pressure to make water proof case be close to open caisson, reach water proof obturation effect, operation is simple, effective minimizing diver, in the underwater work time, improves operation quality while support personnel's safety; 2, water proof case makes the environment of burying underground of earth pressure gauge keep dry, and avoids outside water and pours in open caisson, and water proof case weight is suitable with the buoyancy that bears, water proof case can be avoided to float or rubber sheet gasket is subject to excessive shearing force and destroys when open caisson sidewall is constructed; 3, datum plate and elastic plate can make the face of earth pressure gauge parallel with open caisson wall, guarantee that earth pressure gauge is correctly installed, and ensure certainty of measurement.
Accompanying drawing explanation
The plan view from above that Fig. 1 (a) is large-scale well-sinking, the sectional structure chart that (b) is large-scale well-sinking;
Fig. 2 is caisson cutting edge structural representation, and in figure, 1 is water proof case, and 5 is sword pin, and 5-1 is open caisson wall;
Fig. 3 is the structural representation of embedded device of the present invention;
Fig. 4 is the water proof case sectional side elevation along Fig. 3 midship section I-I;
Fig. 5 is the structural representation of earth pressure gauge;
Fig. 6 is the schematic diagram of the box filled fast dry mortar of mortar;
Fig. 7 is the shutoff schematic diagram of location drain hole.
Detailed description of the invention
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
embodiment:a kind of steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water, embedded device as shown in Figure 3, comprises recording quantity and with water proof case 1-1, the elastic plate 1-5 of water intaking valve 1-4, datum plate 1-6, water pump 2, mortar box 4 and earth pressure gauge 6 on it.Water proof case 1-1 as shown in Figure 4, be made up of 5mm steel plate, Underwater Pressure can be born and indeformable, be of a size of 500mm × 300mm × 150mm, one side relative with open surface on water proof case 1-1 has the location window 1-3 that two apertures are 40mm, employing diameter is that the transparent organic glass of 80mm blocks, the thick 20mm of organic glass, be fixed by bolts to blend compounds water-stop on water proof case 1-1, two location window 1-3 center distance are 400mm, the location drain hole 5-2 one_to_one corresponding on the position of location window 1-3 and open caisson wall 5-1.The open surface of water proof case 1-1 is pressed on the side of open caisson wall 5-1 by rubber sheet gasket 1-2, in order to seal the gap between water proof case 1-1 and open caisson wall 5-1.Elastic plate 1-5 is the elastic steel sheet with certain radian, length is slightly larger than water proof case 1-1 thickness, be across in water proof case 1-1, vertical connecting is arranged on the datum plate 1-6 that water proof case 1-1 open surface is close to open caisson wall 5-1, when water proof case 1-1 is close to open caisson wall 5-1, there is compressive strain in elastic plate 1-5, the elastic force extruding datum plate 1-6 of generation, make it be close to open caisson wall 5-1, datum plate 1-6 is the poly (methyl methacrylate) plate of size 300mm × 200mm, thick 10mm.At the open caisson wall 5-1 opposite side of relative water proof case 1-1, earth pressure gauge 6 is close on datum plate 1-6 through the perforate 5-3 on open caisson wall 5-1, the mortar box 4 be welded on open caisson wall 5-1 is enclosed in the surrounding of earth pressure gauge 6, and mortar box 4 is steel casing, and steel plate thickness is 5mm, be of a size of 200mm × 200mm × 150mm, one side with opening 4-2, section in " ┍ ┑ " shape, earth pressure gauge 6 locate after can in mortar box 4 the fast dry mortar 4-1 of filling, fixing earth pressure gauge 6 rapidly, as shown in Figure 6.Earth pressure gauge 6 comprises face 6-1 and steel box 6-2, and as shown in Figure 5, during installation, face 6-1 is concordant with datum plate 1-6.Location drain hole 5-2 aperture bore diameter 6mm in advance, the later stage expands to 20mm, and holes center to center distance is 400mm, corresponding with location window 1-3, and construction terminates the shutoff of rear tapered steel bolt 7, as shown in Figure 7.
The method for embedding of above-mentioned a kind of steel open caisson sidewall and sword pin earth pressure gauge embedded device under water, comprises the following steps:
(1) on open caisson wall 5-1, the both sides, the place of burying underground of earth pressure gauge 6 equidistantly beat location drain hole 5-2, aperture 6mm, holes center to center distance 400mm, with the preliminary shutoff of tapered transparent organic glass bolt after punching;
(2) in well, personnel utilize laser pen 3 by the outside Emission Lasers bundle of location drain hole 5-2, diver is guided to locate water proof case 1-1, location window 1-3 aims at location drain hole 5-2 according to laser beam by diver, no matter be ride face at open caisson sidewall or sword, accurately can locate water proof case 1-1;
(3) in well, the aperture of location drain hole 5-2 is expanded to 20mm by personnel, water pump 2 is utilized constantly to be drained by the water in water proof case 1-1 through location drain hole 5-2 and datum plate 1-6, now external water pressure can make water proof case 1-1 be close on open caisson wall 5-1, rubber sheet gasket 1-2 plays good sealing function, prevents infiltration;
(4) personnel perforate 5-3 on open caisson wall 5-1 in well, mortar box 4 opening 4-2, slightly larger than the diameter of earth pressure gauge 6, is then welded on inside open caisson wall 5-1 steel plate (cavity side) outwardly by its diameter; Afterwards, earth pressure gauge 6 face 6-1 is close on datum plate 1-6 outwardly, and the fast dry mortar 4-1 of filling fixes rapidly earth pressure gauge 6 in mortar box 4;
(5) location drain hole 5-2 is rammed with tapered steel bolt 7, and firm welding, form firm shutoff;
(6) open the water intaking valve 1-4 on water proof case 1-1, make outside water enter the inside of water proof case 1-1, after inside and outside hydraulic balance, water proof case 1-1 is separated with open caisson outer wall, wholely bury operation underground and namely complete.
As above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.
Claims (7)
1. a steel open caisson sidewall and sword pin earth pressure gauge embedded device under water, it is characterized in that: comprise recording quantity and which is provided with the water proof case of water intaking valve, elastic plate, datum plate, water pump, mortar box and earth pressure gauge, described datum plate is arranged on the open surface of described water proof case by described elastic plate, water proof case is located according to the guiding of the location drain hole on open caisson wall, inside drives datum plate to be close to the side of open caisson wall after drawing water, be adjacent at earth pressure gauge described in the open caisson wall opposite side of relative water proof case on datum plate through the perforate on open caisson wall, the mortar box be welded on open caisson wall is enclosed in the surrounding of described earth pressure gauge.
2. steel open caisson sidewall according to claim 1 and sword pin earth pressure gauge embedded device under water, be is characterized in that: sealed by rubber sheet gasket between described water proof case and open caisson wall.
3. steel open caisson sidewall according to claim 1 and sword pin earth pressure gauge embedded device under water, it is characterized in that: described elastic plate is the elastic steel sheet with radian, described datum plate is poly (methyl methacrylate) plate.
4. steel open caisson sidewall according to claim 1 and sword pin earth pressure gauge embedded device under water, is characterized in that: described mortar box is the box body of one side with opening.
5. steel open caisson sidewall according to claim 1 and sword pin earth pressure gauge embedded device under water, is characterized in that: described water proof case offers the location window corresponding with the location drain hole on open caisson wall.
6. steel open caisson sidewall according to claim 1 and sword pin earth pressure gauge embedded device under water, is characterized in that: described water proof case is provided with water intaking valve.
7. steel open caisson sidewall and a sword pin earth pressure gauge method for embedding under water, is characterized in that: comprise the following steps:
(1) on open caisson wall, earth pressure gauge is buried other the beating in place underground and is located drain hole, with the preliminary shutoff of taper organic glass bolt after punching;
(2) in well, personnel utilize laser pen to pass through the outside Emission Lasers bundle of location drain hole, guide diver to locate water proof case;
(3) in well, personnel are by the borehole enlargement of location drain hole, and utilize water pump to be drained by the water in water proof case, external water pressure forces the datum plate of water proof case and inside thereof to be close on open caisson wall;
(4) personnel's perforate on open caisson wall in well, mortar box, slightly larger than the diameter of earth pressure gauge, is then welded on around perforate by diameter; Afterwards, earth pressure gauge face is close to datum plate outwardly through perforate, in mortar box, fills fast dry mortar fix earth pressure gauge rapidly;
(5) location drain hole is rammed with tapered steel bolt, and firm welding, form firm shutoff;
(6) open the water intaking valve on water proof case, make outside water enter the inside of water proof case, after inside and outside hydraulic balance, water proof case is separated with open caisson wall, wholely bury operation underground and namely complete.
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| CN201410506898.XA CN104278665B (en) | 2014-09-28 | 2014-09-28 | Steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water |
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| CN201410506898.XA CN104278665B (en) | 2014-09-28 | 2014-09-28 | Steel open caisson sidewall and sword pin earth pressure gauge embedded device and method for embedding thereof under water |
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| CN104278665A CN104278665A (en) | 2015-01-14 |
| CN104278665B true CN104278665B (en) | 2016-01-06 |
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| CN105781614A (en) * | 2016-04-29 | 2016-07-20 | 广东华路交通科技有限公司 | Novel visual operation highway tunnel side wall foot drainage system |
| CN106192967B (en) * | 2016-08-31 | 2018-10-16 | 中铁建大桥工程局集团第五工程有限公司 | A kind of device and method for installing fixed soil pressure cell in jacking pipe joints |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006152649A (en) * | 2004-11-29 | 2006-06-15 | Daiho Constr Co Ltd | Soil bearing power testing device and soil bearing power testing method |
| CN101736728A (en) * | 2009-12-16 | 2010-06-16 | 河海大学 | Elastic beam type side wall frictional resistance dynamometer |
| CN101818505A (en) * | 2010-04-24 | 2010-09-01 | 上海交通大学 | Soil pressure testing method for a cutting edge of caisson |
| CN102561406A (en) * | 2011-12-15 | 2012-07-11 | 上海市城市建设设计研究总院 | Construction method for controlling back soil body deformation of open caisson |
| CN102817344A (en) * | 2012-05-04 | 2012-12-12 | 上海交通大学 | Comprehensive frictional resistance meter |
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- 2014-09-28 CN CN201410506898.XA patent/CN104278665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006152649A (en) * | 2004-11-29 | 2006-06-15 | Daiho Constr Co Ltd | Soil bearing power testing device and soil bearing power testing method |
| CN101736728A (en) * | 2009-12-16 | 2010-06-16 | 河海大学 | Elastic beam type side wall frictional resistance dynamometer |
| CN101818505A (en) * | 2010-04-24 | 2010-09-01 | 上海交通大学 | Soil pressure testing method for a cutting edge of caisson |
| CN102561406A (en) * | 2011-12-15 | 2012-07-11 | 上海市城市建设设计研究总院 | Construction method for controlling back soil body deformation of open caisson |
| CN102817344A (en) * | 2012-05-04 | 2012-12-12 | 上海交通大学 | Comprehensive frictional resistance meter |
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