CN103225282B - Structure for mending and reinforcing undermining area at bottom of underwater structure of gravity wharf and method - Google Patents
Structure for mending and reinforcing undermining area at bottom of underwater structure of gravity wharf and method Download PDFInfo
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- CN103225282B CN103225282B CN201310112964.0A CN201310112964A CN103225282B CN 103225282 B CN103225282 B CN 103225282B CN 201310112964 A CN201310112964 A CN 201310112964A CN 103225282 B CN103225282 B CN 103225282B
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Abstract
The invention discloses a structure for mending and reinforcing an undermining area at the bottom of the underwater structure of a gravity wharf. The structure comprises at least one layer of non-dispersible underwater mold bag concrete which is filled in the undermining area at the bottom of the underwater structure, wherein openings of mold bags of the mold bag concrete face the outside and are detachably connected with a concrete pouring device. The invention further discloses a construction method of the structure. According to the structure and the method, problems that cement paste is prone to run off when filled into the mold bags, the fluidity of the concrete gets poor, and the quality is difficult to guarantee are solved, the expansion condition of the mold bags are controlled according to the filling rate of each mold bag, and the effective filling of an undermining position is realized.
Description
Technical field
Hydro-structure Reinforcement Technology field residing for the present invention, relates to a kind of repairing and reinforcing technology solving naughty empty problem bottom gravity type quay underwater structures.
Background technology
According to incompletely statistics, by the end of 2011, China has all kinds of productivity berths harbour about more than 30,000 seat, and As time goes on, the port and pier built in early days, due to a variety of causes, occurs various disease, progresses into later maintenance and strengthening reconstruction stage.
Gravity type quay forms by backfill after breastwork, wall body, riprap foundation, wall etc., by the filler weight in building deadweight and range of structures and foundation strength maintenance stability, by wall body structure, has that entirety builds formula by laying bricks or stones, square builds formula by laying bricks or stones, caisson type and a buttress type.Gravity type quay is firm durable, freeze proof and anti-ice performance is good, can bear the features such as larger ground load because having, and is widely used in China.But because environment residing for gravity type quay is comparatively complicated under normal circumstances, at Wharf Construction and in later stage operation, often there will be dissimilar defect disease, such as during construction, riprap foundation degree of compaction is inadequate, under ship tail stream and the acting in conjunction of wave power, under wall body, bedding occurs washing in a pan sky, when installation hangs wall body, between body of wall, width exceedes designing requirement, wall body displacement under the adverse weather conditions such as typhoon, backfill overflows between body of wall gap, this wherein washes in a pan sky bottom caisson seam caisson, and to become the most common be also stubborn problem the most, potential safety hazard is in various degree brought to harbour normal operation, shorten harbour application life to a certain extent.
Bedding bottom gravity type quay is washed in a pan empty, select directly to backfill rubble and block stone, cannot compacting be carried out, even if be filled with naughty empty position can not share structural load.
Filling and washing in a pan empty more general way is that direct concrete perfusion is filled, if but wash in a pan cavity darker time, concrete may not necessarily be full of naughty empty depths, and if insert long duct and may occur that card is managed, and diver handles oversize conduit suitable difficulty.
Above for the method for maintaining of gravity type quay, all can not fill well position need be closed well, and inconvenient operation in practice of construction, if one can be chosen can ensure filling rate, easy to operate, and fine adaptive method can be had to the filler that needs of various shape, then can improve filling effect further, and take into account economy.
Summary of the invention
The object of the invention is to propose a kind of effective reinforcing technique and a kind of mould bag being exclusively used in filling to solve naughty empty problem bottom gravity type quay underwater structures.
The object of the invention is to be achieved through the following technical solutions.Empty repairing and reinforcing structure is washed in a pan bottom gravity type quay underwater structures, it comprises being filled in bottom underwater structures washes in a pan the mold-bagged concrete that at least one deck of dummy section is perfused with non-dispersible underwater concrete, and the mould sack of mold-bagged concrete toward the outer side and be removably connected with concrete-spouting plant.
Further, wash in a pan the outer slope plant vertical formwork of bedding of dummy section bottom underwater structures, the regional perfusion between vertical formwork and the perfusing hole of mold-bagged concrete has non-dispersible underwater concrete.
Specifically, described vertical formwork adopts anchor pole or bolt anchoring to be erected in bottom caisson and washes in a pan outside empty position, and template is steel form, needs to carry out preservative treatment before using.
The mould bag of described mold-bagged concrete adopts woven geotextile reinforcement to make and forms, the mould bag of described mold-bagged concrete is formed by a series of mould bag unit continued access that bed-plate dimension is identical, described mould bag unit comprises a mould bag unit A having top bottomless, n is pushed up mould bill kept on file with the end unit C without mould bag unit B and the nothing that top is bottomless, described mould sack is filling concrete entrance, be arranged at the top of mould bag unit A, mould bag unit A, B, the adjacent bag limit of C is provided with the zipper for continued access, the mould bag of described mold-bagged concrete adopts Horizontal flat laying to put mode, the mould bag degree of depth after continued access is greater than the degree of depth of naughty dummy section, wherein n be more than or equal to zero integer.
As above wash in a pan a construction method for empty repairing and reinforcing structure bottom arbitrary described gravity type quay underwater structures, it is characterized in that carrying out according to the following steps:
Base is cleared up;
Make mould bag, the mould bag degree of depth should be greater than naughty empty site depth;
The mould bag made is laid in naughty dummy section, and mould sack toward the outer side;
Reach mould bag three-dimensional size to mould bag perfusion non-dispersible underwater concrete to mould bag successively namely to stop pouring into and closing sack;
When to be two-layer or two-layer above for the concrete mould bag of filling, repetition previous step.
Further, structural base washes in a pan the outer slope plant vertical formwork of bedding of dummy section under water, and fills to the region between vertical formwork and the perfusing hole of mold-bagged concrete the packing that non-dispersible underwater concrete completes mould sack.
The present invention can ensure filling rate/easy to operate, and can have fine compliance to the filler that needs of various shape, improves filling effect further, and has taken into account economy.The problem that when the invention solves filling mould bag, cement paste easily runs off, concrete flowability is deteriorated, quality is difficult to guarantee, and control mould bag expansion status according to the filling rate of each mould bag, realize the effective filling to naughty empty position.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
Fig. 2 is mould bag structural representation.
Fig. 3 is that schematic diagram laid by mould bag.
Fig. 4 is that realization filling schematic diagram filled by mould bag.
Fig. 5 is the operation chart of perfusion mold-bagged concrete.
Fig. 6 is perfusion sealing concrete schematic diagram.
Wherein, 1.1 empty 2 mold-bagged concrete 3 mould bag 3.1 slide fastener 3.2 sack 3.3 bedding 4 carrier pipe 5 template 6 concrete sevens are washed in a pan at the bottom of caisson 1 caisson
Specific implementation method
This example is to wash in a pan empty reparation bottom caisson.The degree of depth in this manual refers to naughty dead zone from lateral openings to the horizontal ultimate range of inside wall.
Carry out according to the following steps washing in a pan dummy section repair operation bottom gravity type quay underwater structures.
Measure and wash in a pan empty position cross dimensions, according to cross dimensions determination mould bag specification.Measure simultaneously and wash in a pan empty site depth, determine the size of mould bag.Mould bag depth ratio washes in a pan empty site depth slightly length 10%.
Make mould bag:
As shown in Figure 2, mould bag 3.1 is formed by a series of mould bag unit continued access that bed-plate dimension is identical, described mould bag unit comprises a mould bag unit A having top bottomless, some nothing bottomless mould bag unit B in top and without top mould bill kept on file unit with the end C, sack 3.3 is filling concrete entrance, be arranged at the top of mould bag unit A, the adjacent bag limit of mould bag unit A, B, C is provided with the slide fastener 3.2 for continued access.Can according to the usage quantity of required degree of depth determination mould bag unit B.Need can not select Type B mould bag during short circuit, need to select some Type B mould bags during long connecing, make the mould bag degree of depth after continued access be greater than the degree of depth of naughty dummy section.During for filling naughty dummy section, mould bag 3.1 adopts Horizontal flat laying to put mode.
Base is cleared up, and mainly comprises and takes out mud and remove attachment marine organisms.
From bottom naughty empty position, by placed side by side for mould bag, after being paved with one deck, by the sequence filling non-dispersible underwater concrete progressive die bag from side to opposite side, when mould bag is swollen to stopping during own dimensions pouring into and closing sack.Lay second layer mould bag after grouting, by that analogy.When pouring into most last layer mould bag, slightly cross so that mould bag is swollen and fill with at the bottom of caisson, guarantee to fill with this closely knit.
After whole mould bag perfusion, as shown in Figure 6, before the distance caisson of bedding outer slope, steel plate 6 is installed at toe 1m place, and sea bed is inserted in steel plate bottom, and top exceeds 20cm bottom caisson, to this regional perfusion concrete, completes the packing of mould sack.
Claims (6)
1. wash in a pan empty repairing and reinforcing structure bottom gravity type quay underwater structures, it is characterized in that: comprise and be filled in the mold-bagged concrete that at least one deck washing in a pan dummy section bottom underwater structures is perfused with non-dispersible underwater concrete, the mould sack of mold-bagged concrete toward the outer side and be removably connected with concrete-spouting plant, the mould bag of mold-bagged concrete adopts woven geotextile reinforcement to make and forms, the mould bag of mold-bagged concrete is formed by some mould bag units continued access that bed-plate dimension is identical, described mould bag unit comprises a mould bag unit A having top bottomless, n is pushed up mould bill kept on file with the end unit C without mould bag unit B and the nothing that top is bottomless, described mould sack is filling concrete entrance, be arranged at the top of mould bag unit A, mould bag unit A, B, the adjacent bag limit of C is provided with the zipper for continued access, the mould bag of mold-bagged concrete adopts Horizontal flat laying to put mode, the mould bag degree of depth after continued access is greater than the degree of depth of naughty dummy section, wherein n be more than or equal to zero integer.
2. wash in a pan empty repairing and reinforcing structure bottom gravity type quay underwater structures according to claim 1, it is characterized in that: the outer slope plant vertical formwork of bedding washing in a pan dummy section bottom underwater structures, the regional perfusion between vertical formwork and the perfusing hole of mold-bagged concrete has non-dispersible underwater concrete.
3. wash in a pan empty repairing and reinforcing structure bottom gravity type quay underwater structures according to claim 2, it is characterized in that: described vertical formwork adopts anchor pole or bolt anchoring to be erected in bottom gravity type quay underwater structures and washes in a pan outside empty position.
4. wash in a pan empty repairing and reinforcing structure bottom gravity type quay underwater structures according to claim 3, it is characterized in that: described vertical formwork is steel form, need before using to carry out preservative treatment.
5. wash in a pan the construction method of empty repairing and reinforcing structure bottom the gravity type quay underwater structures as described in as arbitrary in Claims 1 to 4, it is characterized in that carrying out according to the following steps:
Base is cleared up;
Make mould bag, the mould bag degree of depth should be greater than naughty empty site depth;
The mould bag made is laid in naughty dummy section, and mould sack toward the outer side;
Reach mould bag three-dimensional size to mould bag perfusion non-dispersible underwater concrete to mould bag successively namely to stop pouring into and closing sack;
When to be two-layer or two-layer above for the concrete mould bag of filling, repetition previous step.
6. bottom gravity type quay underwater structures according to claim 5, wash in a pan the construction method of empty repairing and reinforcing structure, it is characterized in that: the outer slope plant vertical formwork of bedding washing in a pan dummy section bottom underwater structures, and the packing that non-dispersible underwater concrete completes mould sack is filled to the region between vertical formwork and the perfusing hole of mold-bagged concrete.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310112964.0A CN103225282B (en) | 2013-04-02 | 2013-04-02 | Structure for mending and reinforcing undermining area at bottom of underwater structure of gravity wharf and method |
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| CN201310112964.0A CN103225282B (en) | 2013-04-02 | 2013-04-02 | Structure for mending and reinforcing undermining area at bottom of underwater structure of gravity wharf and method |
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| CN103225282A CN103225282A (en) | 2013-07-31 |
| CN103225282B true CN103225282B (en) | 2015-04-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343123B (en) * | 2014-11-07 | 2016-08-24 | 山东大学 | It is applied to two-layer equation film bagging apparatus and the method for Grouting Pipe sealing in water burst sandy soils |
| CN108978582A (en) * | 2018-09-14 | 2018-12-11 | 中交烟台环保疏浚有限公司 | A kind of construction method of temporary wharf |
| CN111676901A (en) * | 2020-06-09 | 2020-09-18 | 中交第三航务工程勘察设计院有限公司 | Protective structure and construction method of gravity wharf exposed foundation bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010016170A (en) * | 2000-11-17 | 2001-03-05 | 송재헌 | Anti-Scouring and Erosion Fabric Form |
| CN101200895B (en) * | 2007-12-05 | 2010-06-02 | 三峡大学 | Method for repairing damage of underwater concrete panel slope protector |
| CN102535395A (en) * | 2011-12-30 | 2012-07-04 | 安徽华艺园林景观生态建设有限公司 | Mold bag concrete method for slope protection |
| CN102943455A (en) * | 2012-11-05 | 2013-02-27 | 葛加君 | Construction method for underwater mold bag concrete slope protection of river bank |
| CN203569524U (en) * | 2013-04-02 | 2014-04-30 | 中交四航工程研究院有限公司 | Structure for mending and reinforcing undermining area at bottom of underwater structure of gravity wharf |
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2013
- 2013-04-02 CN CN201310112964.0A patent/CN103225282B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010016170A (en) * | 2000-11-17 | 2001-03-05 | 송재헌 | Anti-Scouring and Erosion Fabric Form |
| CN101200895B (en) * | 2007-12-05 | 2010-06-02 | 三峡大学 | Method for repairing damage of underwater concrete panel slope protector |
| CN102535395A (en) * | 2011-12-30 | 2012-07-04 | 安徽华艺园林景观生态建设有限公司 | Mold bag concrete method for slope protection |
| CN102943455A (en) * | 2012-11-05 | 2013-02-27 | 葛加君 | Construction method for underwater mold bag concrete slope protection of river bank |
| CN203569524U (en) * | 2013-04-02 | 2014-04-30 | 中交四航工程研究院有限公司 | Structure for mending and reinforcing undermining area at bottom of underwater structure of gravity wharf |
Non-Patent Citations (1)
| Title |
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| 模袋混凝土抢险加固水下护坦;廖志方;《四川水利》;20050825(第4期);正文第11页第2.5小节 * |
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Effective date of registration: 20210930 Address after: No. 157, Guangzhou City, Guangdong, Guangdong Patentee after: CCCC FOURTH HARBOR ENGINEERING INSTITUTE Co.,Ltd. Patentee after: GUANGZHOU HARBOR ENGINEERING QUALITY EXAMINATION Co.,Ltd. Patentee after: NATIONAL ENGINEERING RESEARCH CENTER OF DREDGING TECHNOLOGY AND EQUIPMENT Address before: No. 157, Guangzhou City, Guangdong, Guangdong Patentee before: CCCC FOURTH HARBOR ENGINEERING INSTITUTE Co.,Ltd. Patentee before: GUANGZHOU HARBOR ENGINEERING QUALITY EXAMINATION Co.,Ltd. Patentee before: CCCC FOURTH HARBOR GEOTECHNICAL ENGINEERING Co.,Ltd. Patentee before: GUANGZHOU SIHANG MATERIAL TECHNOLOGY Co.,Ltd. |