CN102587397A - Steel bearing plate soil-and-stone combined coffer structure and construction method thereof - Google Patents
Steel bearing plate soil-and-stone combined coffer structure and construction method thereof Download PDFInfo
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- CN102587397A CN102587397A CN2012100640136A CN201210064013A CN102587397A CN 102587397 A CN102587397 A CN 102587397A CN 2012100640136 A CN2012100640136 A CN 2012100640136A CN 201210064013 A CN201210064013 A CN 201210064013A CN 102587397 A CN102587397 A CN 102587397A
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- 239000004575 stone Substances 0.000 title claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention discloses a steel bearing plate soil-and-stone combined coffer structure and a construction method thereof. The steel bearing plate soil-and-stone combined coffer structure comprises a coffer body and protective legs, wherein the coffer body consists of an internal structure and an external structure. Meanwhile, the invention further discloses the construction method of the steel bearing plate soil and stone combined coffer structure. The steel bearing plate soil-and-stone combined coffer structure has the advantages of high strength and stability and resistance to flushing and seepage, the construction method is simple and short in construction period, and the steel bearing plate soil and stone combined coffer structure and the construction method thereof are applicable to the technical field of hydraulic and hydro-power engineering.
Description
Technical field
The invention belongs to the Hydraulic and Hydro-Power Engineering technical field, relate to a kind of cofferdam structure and job practices thereof, particularly a kind of steel plate soil stone combined cofferdam structure and job practices thereof of holding.
Background technology
Along with progress, the development of city of society, engineering construction is more and more, and some engineerings will be crossed over zones such as river or straits.Normally carry out in order to construct, we just need build the cofferdam in water.But existing cofferdam form tends to during construction period and operation, take place the cofferdam to collapse and phenomenon such as cofferdam infiltration.The particular problem that present stage exists:
(1) bottom, cofferdam is impacted by seawater, and well damage causes the cofferdam loss of strength;
(2) impervious wall seeps water easily, and concrete breaks, damages under building stones impact;
(3) construction is chaotic, and the construction period is long, construction period accident take place frequently.
Summary of the invention
The objective of the invention is to overcome above-mentioned technological deficiency; Provide that a kind of intensity is big, good stability, erosion control and the impervious steel plate soil stone combined cofferdam structure of holding, the job practices of holding steel plate soil stone combined cofferdam structure that a kind of works of constructing are simple, the duration is short is provided simultaneously.Its technical scheme is:
A kind of steel plate soil stone combined cofferdam structure of holding; Said cofferdam structure is divided into cofferdam main body and spats 12 two parts; Wherein the cofferdam main body is made up of internal construction and external structure again, and internal construction mainly is an impervious wall, and external structure comprises zone 7,8,9,10,11.
The side slope gradient outside the outer side slope gradient of above-mentioned spats and the cofferdam >=1: 1.5, wherein zone 1 and zone 2 interior grade of side slope >=1: 1.4.
Further preferred, zone 1,2,5,6 is the building stones that cut into a mountain, and zone 3,4 is the building stones that cut into a mountain of particle diameter≤10cm.
Above-mentioned spats 12 and zone 7,8,9,10,11 are the piece stone of 100-150kg.
Above-mentioned impervious wall is built-in steel board concrete wall, and the impervious wall top is to regional 5 tops, and lower end mud to the cofferdam is inner.
A kind of job practices of holding steel plate soil stone combined cofferdam structure, its concrete steps are:
1) at first set up pontoon bridge, utilize pontoon bridge successively step-by-step accurately jettisoning and meet zone 1 and the regional 2 places building stones that cut into a mountain, wherein outer side slope >=1: 1.5, interior side slope >=1: 1.4;
2) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the regional 3 places building stones that cut into a mountain, the particle diameter≤10cm of building stones, and wherein regional 3 elevations are for being higher than seabed or river bed 3-4m;
3) utilize the groover fluting, and build the built-in steel plate concrete impervious wall that holds, it highly arrives regional 3 tops;
4) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the building stones that cut into a mountain in zone 4, and its top elevation is for being higher than seabed or river bed 6-7m, and its side slope is than >=1: 1.5;
5) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the building stones that cut into a mountain in zone 5 and zone 6, and its thickness is 2m, its side slope than with the side slope in zone 4 than consistent;
6) utilize the groover fluting again, in step 3), on the basis of impervious wall, continue the built-in steel plate concrete impervious wall that holds of building, it highly reaches till regional 5 tops, guarantees that it maintains an equal level with design climax water level at least;
7) utilize pontoon bridge, step-by-step is jettisoninged accurately and is met the building stones that cut into a mountain in spats 12 and zone 7,8,9,10,11 successively, and the said building stones that cut into a mountain are the piece stone of 100-150kg, and wherein each regional side slope is than >=1: 1.5.
Compared with prior art, beneficial effect of the present invention is:
1. the present invention holds steel plate soil stone combined cofferdam structure when having strengthened seepage prevention of cofferdam property, has improved the stability in cofferdam;
2. technical scheme of the present invention is the reduction of erection time condition to be provided when strengthening cofferdam stability, and then has reduced construction costs;
3. cofferdam of the present invention raw material are clearer and more definite, all are conveniently to obtain the building stones that cut into a mountain, for construction provides convenience;
4. construction of the present invention is simple, for shortening the construction period condition is provided.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the sketch map of step 1) in the inventive method;
Fig. 3 is a step 2 in the inventive method) sketch map;
Fig. 4 is the sketch map of step 3) in the inventive method;
Fig. 5 is the sketch map of step 6) in the inventive method.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done explanation in further detail.
With reference to Fig. 1; A kind of steel plate soil stone combined cofferdam structure of holding, said cofferdam structure is divided into cofferdam main body and spats 12 two parts, and wherein the cofferdam main body is made up of internal construction and external structure again; Internal construction mainly is an impervious wall, and external structure comprises zone 7,8,9,10,11.The side slope gradient outside the outer side slope gradient of spats 12 and the cofferdam >=1: 1.5, wherein zone 1 and zone 2 interior grade of side slope >=1: 1.4. Zone 1,2,5,6 is the building stones that cut into a mountain, and zone 3,4 is the building stones that cut into a mountain of particle diameter≤10cm.Spats 12 and zone 7,8,9,10,11 are the piece stone of 100-150kg.Impervious wall is built-in steel board concrete wall, and the impervious wall top is to regional 5 tops, and lower end mud to the cofferdam is inner.
Construction of the present invention is following:
1) as shown in Figure 2, at first set up pontoon bridge, utilize pontoon bridge successively step-by-step accurately jettisoning and meet zone 1 and the regional 2 places building stones that cut into a mountain, wherein outer side slope >=1: 1.5, interior side slope >=1: 1.4;
2) as shown in Figure 3, utilize pontoon bridge, accurately jettisoninging of step-by-step meets the regional 3 places building stones that cut into a mountain, the particle diameter≤10cm of building stones, wherein regional 3 elevations are for being higher than seabed or river bed 3-4m;
3) as shown in Figure 4, utilize the groover fluting of position shown in the A in the drawings, and build the built-in steel plate concrete impervious wall that holds, it highly arrives regional 3 tops;
4) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the building stones that cut into a mountain in zone 4, and its top elevation is for being higher than seabed or river bed 6-7m, and its side slope is than >=1: 1.5;
5) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the building stones that cut into a mountain in zone 5 and zone 6, the about 2m of its thickness, its side slope than with regional 4 side slope than consistent;
6) as shown in Figure 5, utilize the groover fluting of position shown in the B in the drawings, in step 3), on the basis of impervious wall, continue the built-in steel plate concrete impervious wall that holds of building, it highly reaches till regional 5 tops, guarantees that it maintains an equal level with design climax water level at least;
7) utilize pontoon bridge, step-by-step is jettisoninged accurately and is met the building stones that cut into a mountain in spats 12 and zone 7,8,9,10,11 successively, and the said building stones that cut into a mountain are the piece stone of 100-150kg, and wherein each regional side slope is than >=1: 1.5.
The above; Be merely the preferable specific embodiment of the present invention; Protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the present invention discloses, and the simple change of the technical scheme that obtains or equivalence replacement all fall in protection scope of the present invention with may be obvious that.
Claims (6)
1. one kind is held steel plate soil stone combined cofferdam structure; It is characterized in that said cofferdam structure is divided into cofferdam main body and spats (12) two parts, wherein the cofferdam main body is made up of internal construction and external structure; Internal construction mainly is an impervious wall, and external structure comprises zone (7,8,9,10,11).
2. the steel plate soil stone combined cofferdam structure of holding according to claim 1 is characterized in that, the side slope gradient outer side slope gradient of said spats (12) and cofferdam outside >=1: 1.5, the wherein interior grade of side slope of regional (1) and regional (2) >=1: 1.4.
3. the steel plate soil stone combined cofferdam structure of holding according to claim 1 is characterized in that zone (1,2,5,6) is the building stones that cut into a mountain, and zone (3,4) is the building stones that cut into a mountain of particle diameter≤10cm.
4. the steel plate soil stone combined cofferdam structure of holding according to claim 1 is characterized in that said spats (12) and zone (7,8,9,10,11) are the piece stone of 100-150kg.
5. the steel plate soil stone combined cofferdam structure of holding according to claim 1 is characterized in that said impervious wall is built-in steel board concrete wall, and the impervious wall top is to (5) top, zone, and lower end mud to the cofferdam is inner.
6. the described job practices of holding steel plate soil stone combined cofferdam structure of a claim 1 is characterized in that its concrete steps are:
1) at first set up pontoon bridge, utilize pontoon bridge successively step-by-step accurately jettisoning meet zone (1) and the zone (2) locate the building stones that cut into a mountain, wherein outer side slope >=1: 1.5, interior side slope >=1: 1.4;
2) utilize pontoon bridge, accurately jettisoninging of step-by-step meets zone (3) and locates the building stones that cut into a mountain, the particle diameter≤10cm of building stones, and wherein regional 3 elevations are for being higher than seabed or river bed 3-4m;
3) utilize the groover fluting, and build the built-in steel plate concrete impervious wall that holds, it highly arrives regional 3 tops;
4) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the building stones that cut into a mountain in zone (4), and its top elevation is for being higher than seabed or river bed 6-7m, and its side slope is than >=1: 1.5;
5) utilize pontoon bridge, accurately jettisoninging of step-by-step meets the building stones that cut into a mountain in zone (5) and zone (6), and its thickness is 2m, its side slope than with regional 4 side slope than consistent;
6) utilize the groover fluting again, in step 3), on the basis of impervious wall, continue the built-in steel plate concrete impervious wall that holds of building, it highly reaches till (5) top, zone, guarantees that it maintains an equal level with design climax water level at least;
7) utilize pontoon bridge, step-by-step is jettisoninged accurately and is met the building stones that cut into a mountain of spats (12) and zone (7,8,9,10,11) successively, and the said building stones that cut into a mountain are the piece stone of 100-150kg, and wherein each regional side slope is than >=1: 1.5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100640136A CN102587397A (en) | 2012-03-13 | 2012-03-13 | Steel bearing plate soil-and-stone combined coffer structure and construction method thereof |
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| CN2012100640136A CN102587397A (en) | 2012-03-13 | 2012-03-13 | Steel bearing plate soil-and-stone combined coffer structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816050A (en) * | 2017-12-07 | 2018-03-20 | 中铁二十局集团第六工程有限公司 | A kind of concrete cofferdam and earth rock cofferdam combined cofferdam and its construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1191513A1 (en) * | 1984-02-17 | 1985-11-15 | Горьковский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.П.Чкалова | Dam made of soil materials |
| CN1080010A (en) * | 1992-06-08 | 1993-12-29 | 辽宁省水利水电科学研究所 | The construction method of the composite geo-membrane heart (tiltedly) wall earth dam |
| KR20060100315A (en) * | 2006-08-16 | 2006-09-20 | (주)인텔리지오 | Upstream part retaining wall type fill dam |
| CN201581407U (en) * | 2009-12-23 | 2010-09-15 | 中铁大桥局集团第一工程有限公司 | Clay core wall water stop cofferdam |
| CN101614017B (en) * | 2009-07-13 | 2011-06-08 | 中国水电顾问集团华东勘测设计研究院 | Construction method of deep water earth-rock cofferdam structure |
| CN202519689U (en) * | 2012-03-13 | 2012-11-07 | 中建五局土木工程有限公司 | Bearing steel plate earth-rock combination cofferdam structure |
-
2012
- 2012-03-13 CN CN2012100640136A patent/CN102587397A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1191513A1 (en) * | 1984-02-17 | 1985-11-15 | Горьковский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.П.Чкалова | Dam made of soil materials |
| CN1080010A (en) * | 1992-06-08 | 1993-12-29 | 辽宁省水利水电科学研究所 | The construction method of the composite geo-membrane heart (tiltedly) wall earth dam |
| KR20060100315A (en) * | 2006-08-16 | 2006-09-20 | (주)인텔리지오 | Upstream part retaining wall type fill dam |
| CN101614017B (en) * | 2009-07-13 | 2011-06-08 | 中国水电顾问集团华东勘测设计研究院 | Construction method of deep water earth-rock cofferdam structure |
| CN201581407U (en) * | 2009-12-23 | 2010-09-15 | 中铁大桥局集团第一工程有限公司 | Clay core wall water stop cofferdam |
| CN202519689U (en) * | 2012-03-13 | 2012-11-07 | 中建五局土木工程有限公司 | Bearing steel plate earth-rock combination cofferdam structure |
Non-Patent Citations (2)
| Title |
|---|
| 夏云翔: "万安水利枢纽第一期高围堰设计", 《人民长江》, no. 11, 27 November 1986 (1986-11-27) * |
| 廖自力等: "高坝洲水电站土石围堰防渗布置与施工", 《水力发电》, no. 03, 21 March 2002 (2002-03-21) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816050A (en) * | 2017-12-07 | 2018-03-20 | 中铁二十局集团第六工程有限公司 | A kind of concrete cofferdam and earth rock cofferdam combined cofferdam and its construction method |
| CN107816050B (en) * | 2017-12-07 | 2023-03-03 | 中铁二十局集团第六工程有限公司 | Concrete cofferdam and earth-rock cofferdam combined cofferdam and construction method thereof |
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Application publication date: 20120718 |