CN106759364B - Deep basal pit bottom plate step-by-step construction method - Google Patents
Deep basal pit bottom plate step-by-step construction method Download PDFInfo
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- CN106759364B CN106759364B CN201611063939.8A CN201611063939A CN106759364B CN 106759364 B CN106759364 B CN 106759364B CN 201611063939 A CN201611063939 A CN 201611063939A CN 106759364 B CN106759364 B CN 106759364B
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- basal pit
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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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
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a kind of deep basal pit bottom plate step-by-step construction methods, and deep basal pit bottom is divided into catchment area and non-catchment area, is included the following steps：S1, the first interim processing unit that catchments is set in catchment area；S2, the construction of non-catchment area bottom cushion collect the water flowed into from waterproof of man breakthrough and catchmenting collection outside discharge deep basal pit in the non-catchment area bottom cushion work progress using the first interim processing unit that catchments；S3, the interim processing unit that catchments of setting second on the non-catchment area bottom cushion that construction is completed, and catchment area bottom cushion construction is carried out, the height of the bottom cushion of the catchment area is less than the bottom cushion of the non-catchment area；S4, deep basal pit construction of bottom plates, and corresponding position reserves third and catchments temporarily the water collecting part of processing unit and processing unit upper end of catchmenting temporarily positioned at third on the bottom cushion of catchment area；S5, water collecting part lower end third are catchmented processing unit closure construction temporarily.
Description
Technical field
The present invention relates to a kind of construction method of deep foundation ditch, more particularly to a kind of deep basal pit bottom plate step-by-step construction method.
Background technology
Deep-foundation pit engineering refers to that cutting depth is more than 5m（Containing 5m）Foundation pit（Slot）Earth excavation, supporting, dewatering project,
Though cutting depth is less than 5m, geological conditions, ambient enviroment and underground utilities complexity, or influence adjacent building（It constructs）
The foundation pit of object safety（Slot）Earth excavation, supporting, dewatering project.
In the work progress of deep basal pit, deep basal pit waterproof of man leakage is frequently problem in construction, traditional
Method is first to carry out waterproof of man leak stopping to carry out subsequent construction again, due to factors such as geology, operation, leakage cause complexity, often
Time-consuming for plugging operation, and repeatedly, foundation pit is immersed in water for a long time, causes base plate of foundation pit that cannot construct, and the time of delay is longer for construction,
Uncontrollable factor is more, and security risk is bigger, gently then influences the duration, or even can cause foundation pit collapse, causes serious safety accident.
Specific to refer to Fig. 1, after the completion of deep basal pit Guan Liang, in further digging process, it is existing that leakage occurs in waterproof of man
As, the suitable bored concrete pile that seeps water flows into hole bottom, forms hole bottom water, and flowing water constantly causes hole bottom that can not carry out deep basal pit construction of bottom plates,
If carrying out leak stopping to waterproof of man not in time, causes the water that waterproof of man is leaked or leaked to flow into deep basal pit bottom, cause in this way
It catchments more, construction can not carry out continuing bottom construction, it is necessary to first to first waterproof of man leak stopping, then carry out bottom again
Plate is constructed, and then time-consuming for plugging operation, seriously affects duration and construction efficiency.
Invention content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to：One kind is provided to intercept water in foundation pit
The deep basal pit bottom plate step-by-step construction method constructed to deep basal pit bottom plate in the case of curtain seepage, do not rest, being not to wait for.
In order to solve the above technical problems, one aspect of the present invention is：A kind of deep basal pit bottom plate substep is provided
Deep basal pit bottom is divided into catchment area and non-catchment area, included the following steps by construction method：
S1, the first interim processing unit that catchments is set in catchment area；
S2, the construction of non-catchment area bottom cushion, in the non-catchment area bottom cushion work progress, face using first
Shi Jishui processing units collect the water flowed into from waterproof of man breakthrough and catchmenting collection outside discharge deep basal pit；
S3, the interim processing unit that catchments of setting second on the non-catchment area bottom cushion that construction is completed, and catchment
Region bottom cushion construction, the height of the bottom cushion of the catchment area are less than the bottom cushion of the non-catchment area；
S4, deep basal pit construction of bottom plates, and corresponding position reserves third and catchments temporarily processing on the bottom cushion of catchment area
The water collecting part in portion and processing unit upper end of catchmenting temporarily positioned at third；
S5, the interim processing unit that catchments of setting the 4th on the non-catchment area deep basal pit bottom plate that construction is completed, then carry out
Water collecting part lower end third is catchmented processing unit closure construction temporarily.
Further, the described first interim processing unit that catchments includes the first interim water collecting part, set on the described first interim collection
The first suction pump, several first aqueducts in water portion and the first drainpipe, the diversion end of several first aqueducts with
The breakthrough of waterproof of man is connected to, and water outlet is set in the first interim water collecting part, the first end and first of first drainpipe
Suction pump connects, and water outlet will be for that will catchment outside discharge deep basal pit.
Further, the described second interim processing unit that catchments includes the be placed on the bottom cushion of the non-catchment area
Two interim water collecting parts and first suction pump either the second suction pump, several first aqueducts or several second
Aqueduct and first drainpipe or the second drainpipe.
Further, the third processing unit that catchments temporarily includes set on the catch pit lower end and the third that communicates therewith
Interim water collecting part, first suction pump either third suction pump, several first aqueducts or several third aqueducts
And first drainpipe or third drainpipe.
Further, the inner wall of the interim water collecting part of the third is located in the inner wall of the water collecting part, so that described
An absolute altitude platform is formed between the top of the inner wall of the interim water collecting part of third and the bottom end of the inner wall of water collecting part.
Further, S4 steps specifically include：In catchment area, bottom cushion construction is completed and intensity satisfaction continues to apply
After work requires, continue reinforcing bar binding and the template construction of bottom plate, the reserved space conduct on the bottom cushion of catchment area
Third is catchmented temporarily processing unit and catchments processing unit upper end reserved space as water collecting part temporarily in third, then carries out deep base
Hole underplate concrete pours.
Further, it catchments temporarily in third and is horizontally arranged with a ring seal plate in the middle part of processing unit, the annular is stopped
The outer edge of water plate catchments embedded in the third on processing unit inner wall temporarily, and inward flange protrudes from the third and catchments temporarily processing
Portion's inner wall.
Further, the section of the ring seal plate is turned under curved in both ends.
Further, the frame shape sealing to match with base plate configuration is provided in the upper surface of the deep basal pit bottom edge
The lower end of plate, the frame shape seal plate is inserted on the bottom plate, and upper end protrudes from the upper surface of the bottom plate.
Further, the section of the frame shape seal plate is curved in both ends bent outward
The deep basal pit backplane construction method of the present invention is directed to the problem of background technology, in order to not influence construction
Progress prevents foundation pit to be immersed in water for a long time, reduces security risk, we change traditional first waterproof of man leak stopping, rear bottom
The method of plate construction, has invented deep basal pit bottom plate step-by-step construction method.First deep basal pit construction of bottom plates, then reprocesses waterproof of man
Leakage, has reached the target for the duration that ensures safety, protects.The deep basal pit backplane construction method of the present invention is intercepted water curtain in deep basal pit
In the case of curtain leakage, infiltration is effectively collected in the measures such as sump, aqueduct, dust-collecting bucket of scientific utilization deep basal pit, simultaneously
Steel plate for sealing water is set, and fast and fractional carries out deep basal pit construction of bottom plates.Safety, economic, effective, reduction construction hidden danger, it is ensured that construction
Duration.The deep basal pit backplane construction method of the present invention is according to deep basal pit design feature, using the catch pit of deep basal pit bottom,
The measures such as dust-collecting bucket, aqueduct are set simultaneously and collect infiltration and draining, substep carries out construction of bottom plates, adds steel plate for sealing water guarantee
Construction of bottom plates quality, base plate of foundation pit is impermeable after construction, meet design and operational requirement.
Description of the drawings
Fig. 1 is deep basal pit bottom water schematic diagram after waterproof of man leakage.
Fig. 2 is the plan view of deep basal pit.
Fig. 3 is the schematic diagram after deep basal pit bottom cushion construction of the present invention.
Fig. 4 is the schematic diagram after deep basal pit bottom plate catch pit cushion construction of the present invention.
Fig. 5 is the schematic diagram after deep basal pit construction of bottom plates of the present invention.
Fig. 6 is the schematic diagram after the completion of deep basal pit construction of bottom plates of the present invention.
Fig. 7 is that infiltration flows to schematic diagram in Fig. 6.
Specific implementation mode
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 describes, 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.
Refer to Fig. 2 to Fig. 7, in specific example of the present invention, deep basal pit bottom plate bottom surface absolute altitude is -9.90m, plate top surface mark
A height of -8.8m, deep basal pit inner wall size are 14m × 12m, and crater wall thickness is 500mm.Deep foundation pit supporting structure takes inner ring 44
The cast-in-situ bored pile of φ 900mm × 22m, outer ring are intercepted water curtain using 316 double deep cement-mixed piles of φ 500mm × 11m
Curtain.Guan Liang is set in -4.5m in digging process, bottom plate sets water collecting part, water collecting part（Catch pit）Size is 1m × 1m, water collecting part bottom mark
A height of -9.87m.
In deep basal pit bottom plate step-by-step construction method of the present invention, need deep basal pit bottom being divided into catchment area and non-collection
Water area, the deep basal pit bottom plate step-by-step construction method include the following steps：
S1, the first interim processing unit that catchments is set in catchment area；
Deep pit digging first collects in the catchment area of deep basal pit bottom setting first temporarily to after meeting construction of bottom plates requirement
Water-handling portion would, for collecting the water flowed into from waterproof of man breakthrough and catchmenting collection outside discharge deep basal pit.The present embodiment
In, the described first interim processing unit that catchments includes the first interim water collecting part 101, in the described first interim water collecting part 101
First suction pump 102,103 and first drainpipe 104 of several first aqueducts, the diversion of several first aqueducts 103
End is connected to the breakthrough of waterproof of man, and water outlet is in the first interim water collecting part 101, and the of first drainpipe 104
One end is connect with the first suction pump 102, and water outlet will be for that will catchment outside discharge deep basal pit.
In the specific example, the first interim water collecting part 101 is first dug downwards by the deep basal pit bottom
Interim catch pit, top end opening area are more than hole floor space, and hole bottom to top end opening forms slope.It is intelligible, it is described
It can be in various embodiments any one that first interim water collecting part 101, which is not limited to the first interim catch pit,
The container that kind can be filled with water.
S2, the construction of non-catchment area bottom cushion 11 utilize the in non-11 work progress of catchment area bottom cushion
The one interim processing unit that catchments collects the water flowed into from waterproof of man breakthrough and catchmenting collection outside discharge deep basal pit；
In specific practice, the first interim catch pit is set in catchment area, it is corresponding to leak points connection according to waterproof of man
Infiltration is led to the first interim catch pit by the first aqueduct 103 of quantity, and infiltration is collected, and the first suction pump 102 is used in combination to take out
Water will be catchmented outside the discharge deep basal pit by the first drainpipe 104, and can lead to construction area drainage pipeline networks, make deep basal pit
Non- 11 construction area of catchment area bottom cushion, can be to carry out the non-catchment area bottom of deep basal pit without immersion when catchment processing
Plate bed course 11 is constructed, and in this example, non-11 absolute altitude of catchment area bottom cushion is -9.9m（Rice）.
S3, the interim processing unit that catchments of setting second on the non-catchment area bottom cushion 11 that construction is completed, and collected
Water area bottom cushion 12 is constructed, and the height of the catchment area bottom cushion 12 is less than the bottom cushion of the non-catchment area
11；
The described second interim processing unit that catchments include be placed on the bottom cushion 11 of the non-catchment area it is second interim
Water collecting part 111 and first suction pump 102 either the second suction pump, several first aqueducts 103 or several
104 or second drainpipe of two aqueducts and first drainpipe.
In the present embodiment, the described second interim processing unit that catchments draws water including the second interim water collecting part 111, described first
Pump 102, several first aqueducts 103 and first drainpipe 104 may not necessarily replace aqueduct, draining in this way
Pipe and suction pump, it is only necessary to replace the second interim water collecting part 111 and its position, greatly save the construction time, improve
Construction efficiency reduces cost.
In this specific embodiment, the described second interim water collecting part 111 is the steel dust-collecting bucket of an a diameter of 1.3m, directly
Be placed on having constructed completion non-catchment area bottom cushion 11 on.
The non-catchment area bottom cushion of deep basal pit 11 has been constructed, intensity meets continue construction requirement after, it is non-what is constructed
The steel dust-collecting bucket 1 that 1m3 is placed on catchment area bottom cushion 11, the water outlet of each first aqueduct 103 is put
In dust-collecting bucket, the first suction pump 102 is put also in dust-collecting bucket, water is discharged outside foundation pit by the first drainpipe 104, is led to
Construction area drainage pipeline networks makes bottom cushion 12 construction area in deep basal pit catchment area without immersion, carries out deep basal pit catchment area
Bottom cushion 12 construct, in this example, bottom cushion 12 absolute altitude in catchment area is -10.7m.
S4, deep basal pit bottom plate 15 are constructed, and the reserved third in corresponding position is catchmented temporarily on catchment area bottom cushion 12
The water collecting part 13 of processing unit and processing unit upper end of catchmenting temporarily positioned at third；
The third processing unit that catchments temporarily includes catchmenting temporarily set on the catch pit lower end and the third that communicates therewith
Portion 121, first suction pump 102 either third suction pump, several first aqueducts 103 or several third aqueducts
And first drainpipe 104 or third drainpipe.
When for third suction pump, third aqueduct and third drainpipe, which can be by above-mentioned second
Suction pump arranges aqueduct as the third suction pump, the second aqueduct as third, and the second drainpipe is as third drainpipe.
New suction pump, aqueduct and drainpipe may be used as third suction pump, third aqueduct and/or third drainpipe.
The third of the present embodiment catchment temporarily processing unit include the interim water collecting part 121 of third, it is the first suction pump 102, several
First aqueduct 103 and the first drainpipe 104.
In this specific embodiment, the interim water collecting part 121 of the third be reserve in catchment area bottom cushion 12 it
On the second interim catch pit, the water collecting part 13 is catch pit on the described second interim catch pit.
In the present embodiment, after catchment area bottom cushion 12 constructs completion and intensity satisfaction continuation construction requirement, after
The continuous reinforcing bar binding for carrying out bottom plate 15 and template construction, reserved space is interim as third on catchment area bottom cushion 12
It catchments and processing unit and catchments processing unit upper end reserved space temporarily as water collecting part 13 in third, then carry out deep basal pit bottom plate
15 concretings.Specific construction way is as follows：
It waits for that deep basal pit catchment area bottom cushion 12 has been constructed, after intensity meets continuation construction requirement, starts to carry out successively
The reinforcing bar of bottom plate 15 is bound and template construction, reserves 600mm × 600mm below -9.87m absolute altitudes at position at the catchment area
Depth is to the space of catchment area bottom cushion 12, as the second interim catch pit, by the first aqueduct 103, the first suction pump
102, interim catch pit continues to collect infiltration and draining the first drainpipe 104 concentration herein.And it is located at the second interim catch pit top
Space to be preserved more than end -9.87m absolute altitudes is water collecting part 13（Catch pit）, 13 size of water collecting part is 1000mm*1000mm.
In this step, the second interim catch pit is designed as size and is less than 13 size of water collecting part, its object is to：Described
The inner wall of three interim water collecting parts 121 is located in the inner wall of the water collecting part 13, so that the interim water collecting part of the third 121
An absolute altitude platform 14 is formed between the top of inner wall and the bottom end of the inner wall of water collecting part 13.The second interim catch pit is blocked to be continuous
When, provide an absolute altitude, it is not necessary to determine repeatedly and block height, improve working efficiency.It in other examples, can also be direct
By the interim water collecting part of third 121 be designed and sized to it is identical as the size of water collecting part 13.
In this step, in order to ensure being well connected water-tight with follow-up concreting, in deep basal pit bottom plate 15 with after
Seal plate is arranged in the middle part of interim catch pit below deep basal pit bottom surface in continuous foundation pit walls faying face setting seal plate, then carries out deep
15 concreting of base plate of foundation pit.Specific design method is as follows：
It catchments temporarily in third and is horizontally arranged with a ring seal plate 161, the ring seal plate 161 in the middle part of processing unit
Outer edge catchment temporarily on processing unit inner wall embedded in the third, inward flange protrudes from the third and catchments in processing unit temporarily
Wall.The section of the ring seal plate 161 is turned under curved in both ends, and specially both ends are downwardly and outwardly bent.
The frame shape seal plate to match with 15 shape of bottom plate is provided in the upper surface at 15 edge of deep basal pit bottom plate
162, the lower end of the frame shape seal plate 162 is inserted on the bottom plate 15, and upper end protrudes from the upper surface of the bottom plate 15, described
The section of frame shape seal plate 162 is curved in both ends bent outward, and specially both ends are outside and are bent in the opposite direction.
S5, the interim processing unit that catchments of setting the 4th on the non-catchment area deep basal pit bottom plate that construction is completed, then carry out
13 lower end third of water collecting part is catchmented processing unit closure construction temporarily.
That is, being closed below 13 bottom surface of water collecting part.It has constructed in deep basal pit bottom plate 15, intensity, which meets, continues construction requirement
Afterwards, 1.3 meters of steel dust-collecting bucket is placed on deep basal pit bottom plate 15 again, by the first aqueduct 103, the first suction pump 102,
First drainpipe 104, which is concentrated, to be continued to collect infiltration and draining in this steel dust-collecting bucket, to form the 4th interim processing unit that catchments.
Then it toward the 15 following casting concretes of catch pit bottom surface -9.87m of deep basal pit bottom plate, completes entire deep basal pit bottom plate 15 and constructs.
After the completion of deep basal pit bottom plate 15 is constructed, entire deep basal pit enters comparatively safe, stable state.Then curtain is carried out again
Seepage treatment and the construction of deep basal pit subsequent content.
The invention solves the problems, such as that in the case of deep basal pit waterproof of man leakage deep basal pit construction of bottom plates can not be carried out, pushes away
Into construction speed, safe construction ensure that, obtain good economic and social benefit benefit, there have to similar situation to be very good
Popularization and reference value.The present invention utilizes the catch pit of deep basal pit bottom and the interim collection of setting according to deep basal pit design feature
Bucket Fraction collection seeps water, and carries out construction of bottom plates by region substep, while adding steel plate for sealing water in concrete seam and ensureing
Construction quality, it is ensured that after construction base plate of foundation pit is impermeable.
It these are only embodiments of the present invention, be not intended to limit the scope of the invention, it is every to utilize the present invention
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field is included within the scope of the present invention.
Claims (10)
1. deep basal pit bottom is divided into catchment area and non-catchment area by a kind of deep basal pit bottom plate step-by-step construction method, packet
Include following steps：
S1, the first interim processing unit that catchments is set in catchment area；
S2, the construction of non-catchment area bottom cushion utilize the first interim collection in the non-catchment area bottom cushion work progress
Water-handling portion would collects the water flowed into from waterproof of man breakthrough and catchmenting collection outside discharge deep basal pit；
S3, the interim processing unit that catchments of setting second on the non-catchment area bottom cushion that construction is completed, and carry out catchment area
Bottom cushion is constructed, and the height of the bottom cushion of the catchment area is less than the bottom cushion of the non-catchment area；
S4, deep basal pit construction of bottom plates, and on the bottom cushion of catchment area corresponding position reserve third catchment temporarily processing unit with
And the water collecting part for processing unit upper end of catchmenting temporarily positioned at third；
S5, the interim processing unit that catchments of setting the 4th on the non-catchment area deep basal pit bottom plate that construction is completed, then catchment
Subordinate end third is catchmented processing unit closure construction temporarily.
2. deep basal pit bottom plate step-by-step construction method as described in claim 1, it is characterised in that：Described first interim processing of catchmenting
Portion include the first interim water collecting part, the first suction pump in the described first interim water collecting part, several first aqueducts and
The diversion end of first drainpipe, several first aqueducts is connected to the breakthrough of waterproof of man, and water outlet is faced set on first
When water collecting part in, the first end of first drainpipe is connect with the first suction pump, water outlet for will catchment discharge deep basal pit
Outside.
3. deep basal pit bottom plate step-by-step construction method as claimed in claim 2, it is characterised in that：Described second interim processing of catchmenting
Portion includes the second interim water collecting part being placed on the bottom cushion of the non-catchment area and first suction pump or
Either several second aqueducts and first drainpipe or the second draining of two suction pumps, several first aqueducts
Pipe.
4. deep basal pit bottom plate step-by-step construction method as claimed in claim 2, it is characterised in that：The third is catchmented processing temporarily
Portion includes drawing water set on the catch pit lower end and the interim water collecting part of third, first suction pump or the third that communicate therewith
Pump, several first aqueducts either several third aqueducts and first drainpipe or third drainpipe.
5. deep basal pit bottom plate step-by-step construction method as claimed in claim 4, it is characterised in that：The interim water collecting part of third
Inner wall is located in the inner wall of the water collecting part, so that the top of the inner wall of the interim water collecting part of the third and water collecting part is interior
An absolute altitude platform is formed between the bottom end of wall.
6. deep basal pit bottom plate step-by-step construction method as described in claim 1, which is characterized in that S4 steps specifically include：Collecting
The construction of water area bottom cushion is completed and after intensity satisfaction continuation construction requirement, and reinforcing bar binding and the mould of bottom plate are continued
Plate is constructed, and reserved space catchments processing unit and in the interim catchment of third temporarily as third on the bottom cushion of catchment area
Then reason portion upper end reserved space carries out deep basal pit underplate concrete and pours as water collecting part.
7. the deep basal pit bottom plate step-by-step construction method as described in any one of claim 1 to 6 claim, it is characterised in that：
It catchments temporarily in third and is horizontally arranged with a ring seal plate in the middle part of processing unit, the outer edge of the ring seal plate is embedded in institute
It states third to catchment temporarily on processing unit inner wall, inward flange protrudes from the third and catchments temporarily processing unit inner wall.
8. deep basal pit bottom plate step-by-step construction method as claimed in claim 7, it is characterised in that：The ring seal plate section
Both ends are respectively bent downward.
9. deep basal pit bottom plate step-by-step construction method as claimed in claim 7, it is characterised in that：In the deep basal pit bottom edge
Upper surface be provided with the frame shape seal plate to match with base plate configuration, the bottom plate is inserted into the lower end of the frame shape seal plate
On, upper end protrudes from the upper surface of the bottom plate.
10. deep basal pit bottom plate step-by-step construction method as claimed in claim 9, it is characterised in that：The frame shape seal plate breaks
Face is curved in both ends bent outward.
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| CN201611063939.8A CN106759364B (en) | 2016-11-28 | 2016-11-28 | Deep basal pit bottom plate step-by-step construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063939.8A CN106759364B (en) | 2016-11-28 | 2016-11-28 | Deep basal pit bottom plate step-by-step construction method |
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| CN106759364A CN106759364A (en) | 2017-05-31 |
| CN106759364B true CN106759364B (en) | 2018-09-04 |
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| CN112412472B (en) * | 2020-11-09 | 2022-11-18 | 安徽省新路建设工程集团有限责任公司 | Pipe-jacking working well wall reverse-acting system in soft soil area and construction method and application thereof |
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| KR100655384B1 (en) * | 2004-07-13 | 2006-12-08 | 엄기형 | Method of drain construction for basement |
| CN101705691B (en) * | 2009-10-30 | 2011-07-20 | 南通建工集团股份有限公司 | Construction method of dewatering well under foundation slab in foundation pit |
| CN102418347B (en) * | 2011-09-27 | 2013-10-23 | 天津住宅集团建设工程总承包有限公司 | Drainage construction method for blind drain and sump wells in deep foundation pit |
| CN204080839U (en) * | 2014-11-05 | 2015-01-07 | 江苏省华建建设股份有限公司 | A kind of Yield rainfall relation device |
| CN204370462U (en) * | 2014-12-22 | 2015-06-03 | 中铁十九局集团轨道交通工程有限公司 | Open-cut station water drainage of deep foundation pit system |
| CN104711994A (en) * | 2015-01-27 | 2015-06-17 | 江苏省华建建设股份有限公司 | Foundation pit deep well rainfall and plugging construction method |
| CN205205842U (en) * | 2015-10-08 | 2016-05-04 | 中国建筑第八工程局有限公司 | Local precipitation structure of deep basal pit |
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