CN107190761A - A kind of artificial bamboo raft cofferdam and its process for constructing - Google Patents
A kind of artificial bamboo raft cofferdam and its process for constructing Download PDFInfo
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- CN107190761A CN107190761A CN201710541545.7A CN201710541545A CN107190761A CN 107190761 A CN107190761 A CN 107190761A CN 201710541545 A CN201710541545 A CN 201710541545A CN 107190761 A CN107190761 A CN 107190761A
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- Prior art keywords
- cofferdam
- bamboo
- bamboo raft
- lower floor
- raft
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
Abstract
The invention belongs to artificial bamboo raft cofferdam field, more particularly to a kind of artificial bamboo raft cofferdam and its process for constructing, the artificial bamboo raft cofferdam is divided into upper strata bamboo raft cofferdam and lower floor's bamboo raft cofferdam, lower floor's bamboo raft cofferdam includes Liang Lie lower floors bamboo raft, lower floor's bamboo raft includes lower floor's bamboo and wrings the iron wire of lower floor's bamboo, the length of part of the lower floor's bamboo in soil exposes the length of the part of soil not less than lower floor's bamboo, built between two row lower floor's bamboo rafts in lower floor cofferdam, the upper strata bamboo raft cofferdam includes two row upper strata bamboo rafts, the upper strata bamboo of the upper strata bamboo raft is vertically squeezed into the lower floor cofferdam.The present invention provides one kind and cofferdam is reinforced by using bamboo raft, cofferdam is reached intensity requirement and requirement for height, both ensure that cofferdam is not collapsed, artificial bamboo raft cofferdam and its process for constructing of enough hydraulic reclamation capacity have been ensured again.
Description
Technical field
The invention belongs to artificial bamboo raft cofferdam field, more particularly to a kind of artificial bamboo raft cofferdam and its process for constructing.
Background technology
At present, need to build cofferdam in some projects of my company, and cofferdam needs to run through in some cases simultaneously
Built in fish pond.However, 1 meter of fish pond mean depth, bottom shale is mud, excavator can not construct.And Bangladesh's rainy season
Arrive in advance, fish pond draining, bed mud drying effect be not good, it is artificial to build difficult.
Therefore, cofferdam is reinforced by using bamboo raft there is provided one kind based on these problems, cofferdam is reached intensity requirement
And requirement for height, it both ensure that cofferdam was not collapsed, the artificial bamboo raft cofferdam and its build side of enough hydraulic reclamation capacity ensured again
Method has important practical significance.
The content of the invention
Present invention technical problem present in solution known technology provides one kind and cofferdam is added by using bamboo raft
Gu, cofferdam is reached intensity requirement and requirement for height, both ensure that cofferdam is not collapsed, the people of enough hydraulic reclamation capacity has been ensured again
Work bamboo raft cofferdam and its process for constructing.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of artificial bamboo raft cofferdam, the artificial bamboo raft cofferdam is divided into upper strata bamboo raft cofferdam and lower floor's bamboo raft cofferdam, described
Lower floor's bamboo raft cofferdam includes Liang Lie lower floors bamboo raft, and lower floor's bamboo raft includes lower floor's bamboo and wrings the iron wire of lower floor's bamboo,
The length of part of the lower floor's bamboo in soil exposes the length of the part of soil not less than lower floor's bamboo, and lower floor encloses
Weir is built between two row lower floor's bamboo rafts, and the upper strata bamboo raft cofferdam includes two row upper strata bamboo rafts, the upper strata bamboo raft
Upper strata bamboo vertically squeezed into the lower floor cofferdam, the upper strata bamboo expose the part of soil length be the upper strata
Two times of the length of part of the bamboo in soil, bag soil is piled up between the two row upper strata bamboo rafts.
The present invention can also use following technical scheme：
In above-mentioned artificial bamboo raft cofferdam, further, lower floor cofferdam top edge lower floor's bamboo raft top
Along high 10-20cm.
In above-mentioned artificial bamboo raft cofferdam, further, do not connected in any manner between the upper strata bamboo.
In above-mentioned artificial bamboo raft cofferdam, further, the Liang Lie lower floors bamboo raft bottom is at a distance of 4m, and top is apart
1.5m, height 1.5m, the two row upper strata bamboo raft is at a distance of 1m, height 0.5m.
In above-mentioned artificial bamboo raft cofferdam, further, the native size of the bag is a length of 40cm, a width of 30cm, thickness
For 10cm, and using 2-3-2-3-2 stacking mode, i.e. first layer piles up two row, and the second layer piles up three row, and third layer two is arranged,
4th layer of three row, by that analogy.
A kind of process for constructing in artificial bamboo raft cofferdam, the process for constructing in the artificial bamboo raft cofferdam is used to build any of the above-described
Artificial bamboo raft cofferdam described in.
In the process for constructing in above-mentioned artificial bamboo raft cofferdam, further, the process for constructing in the artificial bamboo raft cofferdam
Comprise the following steps：
Step one：Liang Lie lower floors bamboo raft is accomplished fluently, length is squeezed into not less than 1.5 meters, lower floor's bamboo raft top is away from 1.5 meters, bottom width 4
Rice, it is high 1.5 meters, every 2 meters with 8# iron wire doublings, and Invited-for is beaten on Liang Lie lower floors bamboo raft, and wring, to can not manually rock institute
Shu Lianglie lower floors bamboo raft；
Step 2：The lower floor cofferdam is built between Liang Lie lower floors bamboo raft, and the lower floor cofferdam is tamped；
Step 3：Two row upper strata bamboo rafts are vertically squeezed on lower floor cofferdam top, two 1 meter of upper strata bamboo raft spacing of row are high
0.5 meter, the upper strata bamboo is squeezed into twice of soil 1m, i.e. exposed portion length；
Step 4：Described two row upper strata bamboo rafts in pile up bag soil, often pile up one layer and tamped with mallet, formed it is 1 meter wide,
Upper strata bamboo raft cofferdam 0.5 meter high.
The present invention has the advantages and positive effects of：
1st, the present invention mire retaining, shale it is dilute it is soft in the case of, artificial bamboo raft cofferdam is built, by using bamboo raft to cofferdam
Reinforced, cofferdam is reached intensity requirement and requirement for height, both ensure that cofferdam is not collapsed, ensured that enough hydraulic reclamations hold again
Amount.
2nd, the present invention solves the problem of cofferdam is settled, and cofferdam can produce 10 due to one time --- 20cm sedimentation, therefore enclose
Weir is higher by 20 centimeters of bamboo raft when building.
3rd, the intensity of present invention increase bamboo raft, reduces deformation, if the mode for beating Invited-for with iron wire fastens two row bamboo rafts, iron
Density when silk piles up influence bag soil, therefore do not use any material to connect, but bamboo is squeezed into soil 1m i.e. exposed division
Divide length twice, increases the intensity of bamboo raft with this, reduces deformation.
4th, the present invention uses 2-3-2-3-2 stacking mode, it is ensured that piled up between bag soil closely knit.
5th, the present invention solves the problem of cofferdam collapses serious by bamboo raft solid, if without using bamboo raft solid, daily
Precipitation cause water in mire can not emptying, mire shale is dilute soft, build cofferdam settling amount it is big and be unable to reach design will
Ask, according to actual measurement, when averagely building more than 1.7 meters, cofferdam is collapsed seriously, it is impossible to meet dredging and reclamation requirement.
Brief description of the drawings
Technical scheme is described in further detail below with reference to drawings and examples, but should
Know, these accompanying drawings only design for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
Point out, these accompanying drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is the structural representation of the present invention.
In figure：
1st, upper strata bamboo raft cofferdam；2nd, upper strata bamboo；3rd, lower floor's bamboo；4th, iron wire；5th, lower floor cofferdam；6th, bag soil.
Embodiment
Firstly, it is necessary to explanation, illustrated below by by way of example the present invention glue sprayer concrete structure,
Feature and advantage etc., but all descriptions are intended merely to what is illustrated, and should not be construed as appointing present invention formation
What is limited.In addition, any single technical characteristic for being described by or implying in the mentioned each embodiments of this paper, or it is shown
Or implicit any single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into
Row any combination is deleted, so as to obtain the more other embodiments of the invention that may do not referred to directly herein.In addition,
For the sake of simplifying drawing, same or like technical characteristic may be indicated only at one in the same figure.
It will be understood that, when it is said that part ' attach ' into another part, it can be directly connected to another part or
There may be intermediate member.On the contrary, when it is said that part " being directly connected to " is arrived into another part, then it represents that in the absence of pars intermedia
Part.
Fig. 1 gives the structural representation of the present invention, illustrates the present invention with regard to Fig. 1 below.
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
A kind of artificial bamboo raft cofferdam, the artificial bamboo raft cofferdam is divided into upper strata bamboo raft cofferdam 1 and lower floor's bamboo raft cofferdam, described
Lower floor's bamboo raft cofferdam includes Liang Lie lower floors bamboo raft, and lower floor's bamboo raft includes lower floor's bamboo 3 and wrings the iron wire of lower floor's bamboo 3
4, the length of part of the lower floor's bamboo 3 in soil exposes the length of the part of soil not less than lower floor's bamboo 3, under
Layer cofferdam 5 is built between two row lower floor's bamboo rafts, and the upper strata bamboo raft cofferdam 1 includes two row upper strata bamboo rafts, it is described on
The upper strata bamboo 2 of layer bamboo raft is vertically squeezed into the lower floor cofferdam 5, and the upper strata bamboo 2 exposes the length of the part of soil
For two times of the length of part of the upper strata bamboo 2 in soil, bag soil 6 is piled up between the two row upper strata bamboo rafts.
The present invention mire retaining, shale it is dilute it is soft in the case of, build artificial bamboo raft cofferdam, cofferdam entered by using bamboo raft
Row is reinforced, and cofferdam is reached intensity requirement and requirement for height, both ensure that cofferdam is not collapsed, and has ensured that enough hydraulic reclamations hold again
Amount.
It is pointed out that the top edge of the lower floor cofferdam 5 high 10-20cm in lower floor's bamboo raft upper edge.
The present invention solves the problem of cofferdam is settled, and cofferdam can produce 10 due to one time --- 20cm sedimentation, therefore cofferdam
20 centimeters of bamboo raft is higher by during build.
It is pointed out that not connected in any manner between the upper strata bamboo 2.
The intensity of present invention increase bamboo raft, reduces deformation, if fastened two row bamboo rafts with 4 dozens of Invited-for of iron wire mode, iron
Density when silk 4 piles up influence bag soil 6, therefore do not use any material to connect, but bamboo is squeezed into soil 1m and exposed
Twice of partial-length, increases the intensity of bamboo raft with this, reduces deformation.
It is pointed out that the Liang Lie lower floors bamboo raft bottom is at a distance of 4m, top is at a distance of 1.5m, height 1.5m, described two
Upper strata bamboo raft is arranged at a distance of 1m, height 0.5m.
It is pointed out that native 6 sizes of the bag are a length of 40cm, a width of 30cm, thickness is 10cm, and uses 2-3-2-
3-2 stacking mode, i.e. first layer pile up two row, and the second layer piles up three row, and third layer two is arranged, the 4th layer of three row, by that analogy.
The present invention uses 2-3-2-3-2 stacking mode, it is ensured that piled up between bag soil 6 closely knit.
In summary, the present invention can provide one kind and cofferdam is reinforced by using bamboo raft, cofferdam is reached intensity requirement
And requirement for height, it both ensure that cofferdam was not collapsed, the artificial bamboo raft cofferdam of enough hydraulic reclamation capacity ensured again.
A kind of process for constructing in artificial bamboo raft cofferdam, the process for constructing in the artificial bamboo raft cofferdam is used to build any of the above-described
Artificial bamboo raft cofferdam described in.
It is pointed out that the process for constructing in the artificial bamboo raft cofferdam comprises the following steps：
Step one：Liang Lie lower floors bamboo raft is accomplished fluently, length is squeezed into not less than 1.5 meters, lower floor's bamboo raft top is away from 1.5 meters, bottom width 4
Rice, it is high 1.5 meters, every 2 meters with the doubling of 8# iron wires 4, and Invited-for is beaten on Liang Lie lower floors bamboo raft, and wring, to can not manually rock
Liang Lie lower floors bamboo raft；
Step 2：The lower floor cofferdam 5 is built between Liang Lie lower floors bamboo raft, and the lower floor cofferdam 5 is tamped；
Step 3：Two row upper strata bamboo rafts are vertically squeezed on the top of lower floor cofferdam 5, two 1 meter of upper strata bamboo raft spacing of row are high
0.5 meter, the upper strata bamboo 2 is squeezed into twice of soil 1m, i.e. exposed portion length；
Step 4：Described two row upper strata bamboo rafts in pile up bag soil 6, often pile up one layer and tamped with mallet, formed it is 1 meter wide,
Upper strata bamboo raft cofferdam 1 0.5 meter high.
If without using bamboo raft solid, daily precipitation cause water in fish pond can not emptying, fish pond shale is dilute soft, is repaiied
Build cofferdam settling amount greatly and be unable to reach design requirement, according to actual measurement, when averagely building more than 1.7 meters, cofferdam is collapsed sternly
Weight, it is impossible to meet hydraulic reclamation requirement.Artificial bamboo raft cofferdam can ensure 2 meters of cofferdam height and firm, can compared to common earth cofferdam
Accommodate 0.3 meter of * 36 ten thousand square metres=10.8 ten thousand stere more.Calculated according to monovalent 14.6 yuan/cubic metre of quantities：
Yuan/cubic metre=157.68 ten thousand yuan of 10.8 ten thousand stere * 14.6；
Expendable property bamboo, bag of cement etc. amount to about 2.65 ten thousand yuan；
About 0.92 ten thousand yuan of labour cost；
Direct benefit：Ten thousand yuan of 157.68-2.65-0.92=154.11.
Indirect benefit：Reduce the later maintenance in cofferdam；Construction speed is fully ensured that, completes to apply before node of both working out a scheme
Work task.
The present invention solves the problem of cofferdam collapses serious by bamboo raft solid, if without using bamboo raft solid, it is strong daily
Precipitation cause water in mire can not emptying, mire shale is dilute soft, and it is big and be unable to reach design requirement to build cofferdam settling amount,
According to actual measurement, when averagely building more than 1.7 meters, cofferdam is collapsed seriously, it is impossible to meet dredging and reclamation requirement.
In summary, the present invention can provide one kind and cofferdam is reinforced by using bamboo raft, cofferdam is reached intensity requirement
And requirement for height, it both ensure that cofferdam was not collapsed, the process for constructing in the artificial bamboo raft cofferdam of enough hydraulic reclamation capacity ensured again.
The present invention is described in detail above example, but the content is only presently preferred embodiments of the present invention, no
The practical range for limiting the present invention can be considered as.Any changes and modifications in accordance with the scope of the present application,
Within the patent covering scope that the present invention should still be belonged to.
Claims (7)
1. a kind of artificial bamboo raft cofferdam, it is characterised in that：The artificial bamboo raft cofferdam is divided into upper strata bamboo raft cofferdam and lower floor's bamboo raft
Cofferdam, lower floor's bamboo raft cofferdam includes Liang Lie lower floors bamboo raft, and lower floor's bamboo raft includes lower floor's bamboo and wrings lower floor bamboo
The iron wire of son, the length of part of the lower floor's bamboo in soil exposes the length of the part of soil not less than lower floor's bamboo
Degree, lower floor cofferdam is built between two row lower floor's bamboo rafts, and the upper strata bamboo raft cofferdam includes two row upper strata bamboo rafts, described
The upper strata bamboo of upper strata bamboo raft is vertically squeezed into the lower floor cofferdam, and the length for the part that the upper strata bamboo exposes soil is
Two times of the length of part of the upper strata bamboo in soil, bag soil is piled up between the two row upper strata bamboo rafts.
2. artificial bamboo raft cofferdam according to claim 1, it is characterised in that：The lower floor cofferdam top edge lower floor
The high 10-20cm in bamboo raft upper edge.
3. artificial bamboo raft cofferdam according to claim 1, it is characterised in that：Any side is not used between the upper strata bamboo
Formula is connected.
4. artificial bamboo raft cofferdam according to claim 1, it is characterised in that：The Liang Lie lower floors bamboo raft bottom at a distance of 4m,
Top is at a distance of 1.5m, height 1.5m, and the two row upper strata bamboo raft is at a distance of 1m, height 0.5m.
5. artificial bamboo raft cofferdam according to claim 1, it is characterised in that：The native size of the bag is a length of 40cm, a width of
30cm, thickness is 10cm, and using 2-3-2-3-2 stacking mode, i.e. first layer piles up two row, and the second layer piles up three row, the
Three layer of two row, the 4th layer of three row, by that analogy.
6. a kind of process for constructing in artificial bamboo raft cofferdam, it is characterised in that：The process for constructing in the artificial bamboo raft cofferdam is used to build
Make the artificial bamboo raft cofferdam described in claim any one of 1-5.
7. the process for constructing in artificial bamboo raft cofferdam according to claim 6, it is characterised in that：The artificial bamboo raft cofferdam
Process for constructing comprises the following steps：
Step one：Liang Lie lower floors bamboo raft is accomplished fluently, length is squeezed into not less than 1.5 meters, lower floor's bamboo raft top is away from 1.5 meters, 4 meters of bottom width,
It is high 1.5 meters, every 2 meters with 8# iron wire doublings, and Invited-for is beaten on Liang Lie lower floors bamboo raft, and wring, it is described to can not manually rock
Liang Lie lower floors bamboo raft；
Step 2：The lower floor cofferdam is built between Liang Lie lower floors bamboo raft, and the lower floor cofferdam is tamped；
Step 3：Two row upper strata bamboo rafts are vertically squeezed on lower floor cofferdam top, two 1 meter of upper strata bamboo raft spacing of row are high by 0.5
Rice, the upper strata bamboo is squeezed into twice of soil 1m, i.e. exposed portion length；
Step 4：Described two row upper strata bamboo rafts in pile up bag soil, often pile up one layer and tamped with mallet, formed it is 1 meter wide, 0.5 meter
High upper strata bamboo raft cofferdam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541545.7A CN107190761A (en) | 2017-07-05 | 2017-07-05 | A kind of artificial bamboo raft cofferdam and its process for constructing |
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| CN201710541545.7A CN107190761A (en) | 2017-07-05 | 2017-07-05 | A kind of artificial bamboo raft cofferdam and its process for constructing |
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| CN107190761A true CN107190761A (en) | 2017-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552360A (en) * | 2019-08-06 | 2019-12-10 | 中交一公局第二工程有限公司 | Double-row steel pipe pile cofferdam construction method |
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