CN110206062A - The dark construction method of underground river shallow embedding is worn under a kind of Urban Underground pipe gallery - Google Patents
The dark construction method of underground river shallow embedding is worn under a kind of Urban Underground pipe gallery Download PDFInfo
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- CN110206062A CN110206062A CN201910500668.5A CN201910500668A CN110206062A CN 110206062 A CN110206062 A CN 110206062A CN 201910500668 A CN201910500668 A CN 201910500668A CN 110206062 A CN110206062 A CN 110206062A
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- Prior art keywords
- river
- underground
- cofferdam
- pipe gallery
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses the dark construction method of underground river shallow embedding is worn under a kind of Urban Underground pipe gallery, it is related to piping lane technical field of construction.Shallow embedding dark construction method in underground river is worn under the Urban Underground pipe gallery, include the following steps: to abolish underground river top plate into a hole, construction personnel applies the cofferdam truncation river that a soil sand bag packet is made into, cofferdam height 1.5m by river above and below hole in river.Shallow embedding dark construction method in underground river is worn under the Urban Underground pipe gallery; pass through the setting of splash guard and concrete cover; prevent older river bottom plate from seeping water well; cofferdam and river embankment form more dry place space; reduce section and top grouting with small pipe number during tunneling; it avoids constructing due to piping lane and periphery ecological environment and resident living is affected; construction simultaneously to used in it construction material and machinery etc. without particular/special requirement, can be very good the safety for guaranteeing construction personnel while working efficiency is provided.
Description
Technical field
The present invention relates to piping lane technical field of construction, it is dark that underground river shallow embedding is worn under specially a kind of Urban Underground pipe gallery
Construction method.
Background technique
The importance of underground pipe gallery has gradually obtained the approval in more and more cities, and underground pipe gallery has become city
The indispensable mating urban operating mechanism in city, underground pipe gallery are usually built underground 8m or so in, may be met in digging process
Underground river etc. under insight.
Traditional shallow buried covered excavation method generally uses following two method:
First method generallys use conservative construction method, reduces cyclic advance, and the support system for matching reinforcing carries out pipe
Nong Khai is dug, and Enhanced support system generallys use following measures: as used super-front large pipe shed, encryption advanced tubule, comprehensive section curtain
The advance supports measures such as curtain slip casting, horizontal high pressure rotary churning pile or face pre-reinforcement；Using steel arch-shelf model is increased, reduce steel arch
Frame spacing increases the preliminary bracings measures such as spray concrete thickness；For gib, then expands gib range to greatest extent and mention
High gib intensity etc..This construction method has the following deficiencies: that 1. construction risks are larger, once water burst or collapsing occurs,
River water can flow backward into piping lane, not only influence whether down to wear river section, more likely flood whole piping lane, bring calamity to piping lane construction
Difficulty influences；2. selecting conservative construction method, reduce cyclic advance, drag slow construction speed, increases time cost；3. space in hole
Narrow, Enhanced support system constructing operation is inconvenient, influences construction organization, reduces construction efficiency, and construction quality is difficult to ensure.
Second method is usually that river water is drawn to other rivers near the passed through section of piping lane；Or it is worn in piping lane
River is truncated in the upstream and downstream setting cofferdam of more section；Or after piping lane section temporarily being stopped using Temporary Cofferdam, mortar flag stone and
Outside hole after the waterproof measures such as grouting reinforcement, Temporary Cofferdam is removed, restores river water flowing；Or it is carried out using river two sides are worn under
The measure of stratum precipitation prevents the influence that river water constructs to piping lane.But there is also following defects for this method: 1. river diversions,
Chai gan, pipeline movement etc. may be involved, needs the multidisciplinary coordination such as government, processing cost is higher, and enforcement difficulty is larger；
2. cutout by it is serious weaken river control flood and drain flooded fields or the abilities such as dirt removal, bring adverse effect to neighbouring resident living, and cannot
Upstream river water is enough prevented to permeate the influence to piping lane construction site along riverbed in the horizontal direction；3. river bed is handled, before the processing of river bed
There is still a need for Temporary Cofferdam is done, observability is poor after the processing of river bed, and going wrong cannot find in time, make up, once at river bed
Reason measure failure, can construct to bring to piping lane seriously affects；4. stratum precipitation, stratum precipitation be easy to cause stratum settlement, threatens
The safety of Nearby Structure, and daily maintenance management etc. is more demanding, consumes a large amount of material resources, manpower.
The prior art is worn under in the shallow buried covered excavation piping lane construction in river, usually more focuses in hole and processing is taken to arrange
It applies, supporting often and only takes a certain measure even if taking treatment measures outside hole in reinforcement hole, seldom considers outside hole
Integrated treatment measure, therefore be not well positioned to meet construction demand in terms of construction efficiency and construction safety, reduce work
It is difficult to guarantee the safety of construction personnel well while efficiency.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides wearing under a kind of Urban Underground pipe gallery, underground river shallow embedding is dark to be applied
Work method solves the prior art and is worn in the shallow buried covered excavation piping lane construction in river under, usually more focuses in hole and take
Treatment measures reinforce supporting in hole and often and only take a certain measure even if taking treatment measures outside hole, seldom examine
Consider the integrated treatment measure outside hole, therefore be not well positioned to meet construction demand in terms of construction efficiency and construction safety, drops
It is difficult to guarantee the problem of the safety of construction personnel well while low working efficiency.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: under a kind of Urban Underground pipe gallery
The dark construction method of underground river shallow embedding is worn, is included the following steps:
S1, underground river top plate is abolished to a hole, construction personnel applies a soil by river above and below hole in river
Cofferdam that sand pocket packet is made into is truncated river, cofferdam height 1.5m, with two DN600 ripple diversion pipes connections, guarantor between two cofferdam
River water circulation is demonstrate,proved, forms non-water flow riverbed in piping lane main structure upper area；
River garbage in S2, cleaning cofferdam region, pours bed course, one layer of EVA splash guard, waterproof is laid on bed course
100mm thickness C30P6 concrete cover is poured on plate；
S3, tunneling active well supporting use bored concrete pile, if level of ground water is high, can take substrate in active well earth excavation
Vertical slip casting is excavated to steel reinforced concrete Horizontal seals after substrate absolute altitude；
S4, the excavation that piping lane is carried out using CD method are operated.
Preferably, in step sl, the size of hole is 3m square.
Preferably, in step sl, the position in cofferdam is to correspond at each 15m in piping lane side two sides in river.
Preferably, in step sl, the diameter of cofferdam specific size and diversion pipe is depending on the flow of underground river water.
Preferably, in step s 2, the specification of bed course is 100mm thickness C30P6.
(3) beneficial effect
The present invention provides wear the dark construction method of underground river shallow embedding under a kind of Urban Underground pipe gallery.Have following beneficial
Effect: wearing the dark construction method of underground river shallow embedding under the Urban Underground pipe gallery, passes through setting for splash guard and concrete cover
It sets, prevents older river bottom plate from seeping water well, especially the river of free stone masonry, can effectively prevent river infiltration to dark
The influence of digging, cofferdam and river embankment form more dry place space, reduce the vertical lower infiltration of river water, wear river under reduction
In piping lane hole and upper formation water content, weaken piping lane construction risk, reduces section and top ductule note during tunneling
It number is starched, helps speed up construction speed, the setting of diversion pipe can guarantee that former river is normally controlled flood and drained flooded fields, dirt removal is wanted
It asks, avoiding being constructed due to piping lane affects periphery ecological environment and resident living, while constructing to the construction material used in it
Material and machinery etc. are easy to apply without particular/special requirement, are conducive to guarantee and apply quality, can be very good while providing working efficiency
Guarantee the safety of construction personnel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in cross section；
Fig. 2 is the structural schematic diagram in cofferdam；
Fig. 3 is the structural schematic diagram of river bottom plate；
Fig. 4 is the schematic diagram of tunneling active well bored concrete pile.
In figure: 1, road surface；2, underground river；3, water conservancy diversion bellows；4, cofferdam；5, piping lane.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, the present invention provides a kind of technical solution: it is dark to wear underground river shallow embedding under a kind of Urban Underground pipe gallery
Construction method, include the following steps:
S1, underground river top plate is abolished to a hole (size of hole is 3m square), construction personnel passes through river above and below hole
Road, the cofferdam truncation river that a soil sand bag packet is made into is applied in river, and (position in cofferdam is to correspond to piping lane side two in river
At each 15m in side, the diameter of cofferdam specific size and diversion pipe is depending on the flow of underground river water), cofferdam height 1.5m, two cofferdam
Between be connected to two DN600 ripple diversion pipes, guarantee river water circulation, form non-water flow river in piping lane main structure upper area
Bed；
River garbage in S2, cleaning cofferdam region pours bed course (specification of bed course is 100mm thickness C30P6), in bed course
It is laid with one layer of EVA splash guard above, pours 100mm thickness C30P6 concrete cover on splash guard；
S3, tunneling active well supporting use bored concrete pile, if level of ground water is high, can take substrate in active well earth excavation
Vertical slip casting is excavated to steel reinforced concrete Horizontal seals after substrate absolute altitude；
S4, the excavation that piping lane is carried out using CD method are operated.
In conclusion wearing shallow embedding dark construction method in underground river under the Urban Underground pipe gallery, pass through splash guard and coagulation
The setting of protective soil layer prevents older river bottom plate from seeping water, especially the river of free stone masonry well, can effectively prevent
Influence of the river infiltration to tunneling, cofferdam and river embankment form more dry place space, reduce the vertical lower infiltration of river water,
Worn under reduction in river piping lane hole and upper formation water content, weaken piping lane construction risk, reduce during tunneling section and
Top grouting with small pipe number, helps speed up construction speed, and the setting of diversion pipe can guarantee the former river normally row of flood control
Flooded, dirt removal requirement, avoiding being constructed due to piping lane affects periphery ecological environment and resident living, while constructing to its institute
Construction material and machinery etc. are easy to apply without particular/special requirement, are conducive to guarantee and apply quality, while providing working efficiency
It can be very good the safety of guarantee construction personnel.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. wearing shallow embedding dark construction method in underground river under a kind of Urban Underground pipe gallery, characterized by the following steps:
S1, underground river top plate is abolished to a hole, construction personnel applies a soil sand bag by river above and below hole in river
Wrap the cofferdam truncation river being made into, cofferdam height 1.5m, with two DN600 ripple diversion pipes connections, guarantee river between two cofferdam
Water flow is logical, forms non-water flow riverbed in piping lane main structure upper area；
River garbage in S2, cleaning cofferdam region, pours bed course, one layer of EVA splash guard of laying on bed course, on splash guard
Pour 100mm thickness C30P6 concrete cover；
S3, tunneling active well supporting use bored concrete pile, if level of ground water is high, substrate can be taken vertical in active well earth excavation
Slip casting is excavated to steel reinforced concrete Horizontal seals after substrate absolute altitude；
S4, the excavation that piping lane is carried out using CD method are operated.
2. wearing the dark construction method of underground river shallow embedding, feature under a kind of Urban Underground pipe gallery according to claim 1
Be: in step sl, the size of hole is 3m square.
3. wearing the dark construction method of underground river shallow embedding, feature under a kind of Urban Underground pipe gallery according to claim 1
Be: in step sl, the position in cofferdam is to correspond at each 15m in piping lane side two sides in river.
4. wearing the dark construction method of underground river shallow embedding, feature under a kind of Urban Underground pipe gallery according to claim 1
Be: in step sl, the diameter of cofferdam specific size and diversion pipe is depending on the flow of underground river water.
5. wearing the dark construction method of underground river shallow embedding, feature under a kind of Urban Underground pipe gallery according to claim 1
Be: in step s 2, the specification of bed course is 100mm thickness C30P6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500668.5A CN110206062A (en) | 2019-06-11 | 2019-06-11 | The dark construction method of underground river shallow embedding is worn under a kind of Urban Underground pipe gallery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500668.5A CN110206062A (en) | 2019-06-11 | 2019-06-11 | The dark construction method of underground river shallow embedding is worn under a kind of Urban Underground pipe gallery |
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| CN110206062A true CN110206062A (en) | 2019-09-06 |
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| CN201910500668.5A Pending CN110206062A (en) | 2019-06-11 | 2019-06-11 | The dark construction method of underground river shallow embedding is worn under a kind of Urban Underground pipe gallery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021408A (en) * | 2019-12-13 | 2020-04-17 | 中国一冶集团有限公司 | Construction method of water-stopping support system in pipe gallery river reach operation |
| CN111188640A (en) * | 2020-01-16 | 2020-05-22 | 中国十七冶集团有限公司 | Underground pipe gallery shallow-buried underground tunnel waterproof plate installation trolley and construction method thereof |
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| JP2010112037A (en) * | 2008-11-05 | 2010-05-20 | Uemura Giken Kogyo Kk | Method for removing and restoring underground installation |
| CN104631475A (en) * | 2015-01-20 | 2015-05-20 | 中铁隧道集团有限公司杭州公司 | Safe and fast construction method of down-traversing river shallow depth bored tunnel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021408A (en) * | 2019-12-13 | 2020-04-17 | 中国一冶集团有限公司 | Construction method of water-stopping support system in pipe gallery river reach operation |
| CN111188640A (en) * | 2020-01-16 | 2020-05-22 | 中国十七冶集团有限公司 | Underground pipe gallery shallow-buried underground tunnel waterproof plate installation trolley and construction method thereof |
| CN111188640B (en) * | 2020-01-16 | 2021-08-31 | 中国十七冶集团有限公司 | Underground pipe gallery shallow-buried underground tunnel waterproof plate installation trolley and construction method thereof |
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Application publication date: 20190906 |