CN109372032A - A kind of lock steel pipe pile cofferdam lock water-stopping method - Google Patents
A kind of lock steel pipe pile cofferdam lock water-stopping method Download PDFInfo
- Publication number
- CN109372032A CN109372032A CN201811559495.6A CN201811559495A CN109372032A CN 109372032 A CN109372032 A CN 109372032A CN 201811559495 A CN201811559495 A CN 201811559495A CN 109372032 A CN109372032 A CN 109372032A
- Authority
- CN
- China
- Prior art keywords
- lock
- sealing material
- water
- sand
- sandpipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention relates to railroad bridge foundation in water technical field of construction, in particular to a kind of lock steel pipe pile cofferdam latches water-stopping method, it includes three process flows, wherein the air inlet pipe for going out sandpipe and connect with sandpipe out being inserted in layer of sand is provided in the borehole cleaning process flow of first part's lock, dregs in lock are discharged for segmentation, second part sealing material fill process process is carried out after reaching the designed elevation of layer of sand, the first sealing material is filled up by lock using slip casting method or the second sealing material is filled up into lock using method is vibrated, leakage problems are handled by the process flow of Part III seepage treatment after filling, traditional no standard water-stopping method is replaced with this water-stopping method, improve the speed and quality of borehole cleaning, packing material and seepage treatment normalization, it solves traditional water-stopping method to lead due to there is no working specification The problem of low efficiency and the effect difference of cause.
Description
Technical field
The present invention relates to railroad bridge foundation in water technical field of construction, in particular to a kind of lock steel pipe pile cofferdam lock
Water-stopping method.
Background technique
With the fast development of Chinese national economy, the construction of railway and highway system is increased, four vertical eight horizontal traffic networks are
The problem of preliminarily forming, how passing through high mountain, valley or river inevitably occurs, therefore makes great efforts innovation bridge foundation in water
Construction technology, it appears be even more important.Bridge foundation in water mainly uses cofferdam structure form to construct at present, wherein latching steel-pipe pile
Cofferdam is cofferdam construction technology more advanced in recent years, and structure is simple, and strong operability is widely applied.Latch steel
Tubular pole is made of round steel pipe 50 as shown in Figure 1, C-type steel 60, T-steel 70, and in order to guarantee the smooth of construction, we must be protected
It 30 part of lock of card lock steel pipe pile cofferdam being capable of effective sealing, i.e. the coupling part sealing of guarantee C-type steel 60 and T-steel 70
It works well.
There is no the construction technology process of standard in traditional water-stopping method is being latched by manual cleaning lock 30
Sealing material is simply filled in 30 and carries out sealing, and traditional sealing material is using rubber strip joint filling sealing and using cement slurry
Sealing in injection lock 30.Wherein, there is no the pouring construction process flow of standard when filling sealing material, poor operability is made
Industry low efficiency；The mode of manual cleaning lock 30 not only clears up that speed is slow, cleaning effect is poor, but also needs to stand when operation locking
, there is certain danger on 30 side of button；And use rubber strip joint filling sealing and using cement slurry injection lock 30 in sealing both
Mode all haves the defects that different degrees of, using rubber strip joint filling, clogs rubber strip in latching 30 gaps, and operating efficiency is low,
And water-stagnating effect is undesirable；Cement slurry is injected using in lock 30, mortar is easy to spread with cement punching in filling process,
Primary perfusion slurry is not full, and after slurry solidification, secondary treatment is difficult, while cement slurry intensity is high, and the later period carries out steel-pipe pile
When extraction, frictional force is big, increases resistance.
Summary of the invention
It is an object of the invention to overcome in the lock steel-pipe pile lock water-stopping method in the presence of the prior art to lack mark
Quasi- construction technology process provides a kind of lock steel-pipe pile lock water-stopping method of construction technology process with standard.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of lock steel pipe pile cofferdam lock water-stopping method, including several steel-pipe piles, the two neighboring steel-pipe pile are logical
It crosses hollow lock to be connected with each other, following steps:
Step 1: being arranged hole cleaning device in each lock, and the hole cleaning device includes sandpipe and being connected to exist
The air inlet pipe of the sandpipe side wall out；
Step 2: carrying out the borehole cleaning of the lock for the first time, and the sandpipe out is arranged in the layer of sand in the lock,
The compressed air conveyed by the air inlet pipe by the dregs in layer of sand blow afloat and layer of sand on water be mixed into the slag being easily drawn out
The mixture of dregs and water are emitted into after layer of sand is reduced to the disengaging sandpipe out and stop eventually by the sandpipe discharge out；
Step 3: be repeated as many times step 2, by the lock layer of sand and moisture section be discharged, until the steel-pipe pile lock
In detaining layer of sand dregs clearly to designed elevation when stop repeating, hole cleaning device is taken out, borehole cleaning terminates；
Step 4: filling sealing material, the sealing material are divided into the first sealing material and the second sealing material, and described the
One sealing material is gelling mixing material, and second sealing material is solid material, from the bottom slip casting of the lock up to
First sealing material fills the lock completely, and waits to be solidified；The filling mode of second sealing material
It is for artificial concrete vibrating mode, i.e., every to have filled the second sealing material in lock once by the second sealing material subsection filling
Material carries out vibration compacting, until second sealing material fills the lock completely；
Step 5: carrying out seepage treatment, i.e., when leak occurs in the fore shaft, first excludes the buckle structure of steel-pipe pile
Then the reason of aspect, strikes the lock outer wall of breakthrough and breakthrough or more, make to latch interior sealing material because by
Vibration and falls, will lock in emptied be partially filled with it is closely knit, then proceed to benefit fill out sealing material；
Step 6: carrying out leakage supplement process, if causing sealing material condensation to be stuck in the lock because the strength of materials is big
It is inside difficult to fall, is then repeatedly inserted into the lock using the reinforcing bar of equal length, so that sealing material is loosely fallen, then with identical
Sealing material fill the part emptied, reach water-stagnating effect, this part, that is, the last two steps is Part III leakage science and engineering
Skill process.
Step 6: carrying out leakage supplement process, and the leakage supplement process leads to sealing because sealing material intensity is big
Condensation of materials is stuck in the processing method for being difficult to fall in the lock.
Wherein in second part sealing material fill process process, only need to fill the first sealing material or the in lock
Sealing material fill process process can be completed in one of two sealing materials.
The present invention by formulate first part latch borehole cleaning process flow, second part sealing material fill process process and
Part III seepage treatment process flow, that is, the lock steel-pipe pile lock for having formulated the construction technology process with certain standard stop
Water method is wherein provided in the borehole cleaning process flow of first part's lock and is inserted in going out sandpipe and connect with sandpipe out in layer of sand
The dregs in lock are discharged for air inlet pipe, segmentation, carry out second part sealing material filling work after reaching the designed elevation of layer of sand
Skill process, i.e., by the first sealing material by slip casting machine from the bottom of lock injection lock in up to filling, and wait it is to be solidified, or
Second sealing material is filled up lock by artificial concrete vibrating mode by person, passes through Part III seepage treatment technique stream after filling
Journey processing because sealing material fill it is not in place due to the leakage problems that generate, with this water-stopping method instead of traditional no standard sealing
Method, improves the speed and quality of borehole cleaning, packing material and seepage treatment normalization, solve traditional water-stopping method by
The problem of low efficiency and effect difference caused by no working specification.
Preferably, the leakage supplement process includes: to be repeatedly inserted into the lock using the reinforcing bar of equal length, is removed de-
Then the sealing material fallen fills the part emptied with identical sealing material, reaches water-stagnating effect.
Preferably, the filling mode of first sealing material is by slip casting machine from the bottom slip casting of the lock.
Preferably, the method for the lock outer wall for striking breakthrough and breakthrough or more is to be hit using hammer
It beats.
Preferably, it needs constantly to hammer the sandpipe out during taking out sand in the step 2, avoid because of stone or sand
It accumulates in pipe, and leads to the blockage that shakes out.
Preferably, the layer of sand insertion end of the sandpipe out is provided with bevel edge or arc side, and the bevel edge or arc side are convenient for described
Out in sandpipe insertion layer of sand.
Preferably, the junction of air inlet pipe described in step 1 and layer of sand insertion end is apart from layer of sand insertion end end
At the position of 20-40mm.
In addition, the optimal depth of layer of sand insertion end insertion layer of sand is 500mm, the optimal distance of air inlet pipe and layer of sand insertion end
For 30mm；Since layer of sand insertion end has bevel edge/arc side, i.e. end face is not concordant with horizontal plane, and two endpoints of layer of sand insertion end have
A little higher to have a bit lower, the layer of sand insertion end in the distance of air inlet pipe and layer of sand insertion end refers under plumbness here
Sandpipe is inserted into the highest point of this one end end face out.
Dregs refer to that sand, silt and other such as all sizes of stone leaf are less than the impurity for pipe diameter of shaking out.
Compared with prior art, beneficial effects of the present invention:
The present invention by formulate first part latch borehole cleaning process flow, second part sealing material fill process process and
Part III seepage treatment process flow, that is, the lock steel-pipe pile lock for having formulated the construction technology process with certain standard stop
Water method is wherein provided in the borehole cleaning process flow of first part's lock and is inserted in going out sandpipe and connect with sandpipe out in layer of sand
The dregs in lock are discharged for air inlet pipe, segmentation, carry out second part sealing material filling work after reaching the designed elevation of layer of sand
Skill process, i.e., by the first sealing material by slip casting machine from the bottom of lock injection lock in up to filling, and wait it is to be solidified, or
Second sealing material is filled up lock by artificial concrete vibrating mode by person, passes through Part III seepage treatment technique stream after filling
Journey processing because sealing material fill it is not in place due to the leakage problems that generate, with this water-stopping method instead of traditional no standard sealing
Method, improves the speed and quality of borehole cleaning, packing material and seepage treatment normalization, solve traditional water-stopping method by
The problem of low efficiency and effect difference caused by no working specification.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of lock；
Fig. 2 is the structural schematic diagram of hole cleaning device.
Marked in the figure: 10- goes out sandpipe, 20- air inlet pipe, 30- lock, 40- layer of sand insertion end, the round steel pipe of 50-, 60-C type
Steel, 70-T fashioned iron.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Specific embodiment:
Lock steel pipe pile cofferdam in the application latches water-stopping method, including several steel-pipe piles, the two neighboring steel
Tubular pole is connected with each other by hollow lock 30；
First part's lock borehole cleaning process flow, second part sealing material fill process process and Part III can be divided into
Seepage treatment process flow.
As shown in Figure 1, the structural schematic diagram of steel-pipe pile lock, latches steel-pipe pile by round steel pipe 50, C-type steel 60 and T-type
Steel 70 is constituted, and steel-pipe pile latches 70 groups of T-steel by the C-type steel 60 of first steel-pipe pile right end and second steel-pipe pile left end
At.In steel-pipe pile work progress, inevitably have silt or other sundries and enter in the hole set, i.e., steel pipe hole and
In steel-pipe pile bonnet lock hole, so that needing to carry out borehole cleaning to lock before filling sealing material, to extend described first
Divide lock borehole cleaning process flow.
Wherein, 60 diameter of C-type steel described herein uses 200mm, that is, latching 30 diameters is 200mm.
As shown in Fig. 2, the structural schematic diagram of hole cleaning device, hole cleaning device include sandpipe 10 and with it is described go out 10 phase of sandpipe
Logical air inlet pipe 20 connects gas source mechanism by the air inlet pipe 20.
First part latches borehole cleaning process flow:
The layer of sand insertion end 40 of sandpipe 10 out is taken as second end, the other end of sandpipe 10 is taken as first end out, by air inlet
Pipe 20 is taken as third end with one end that sandpipe 10 is connect out, and the other end of air inlet pipe 20 is taken as the 4th end, wherein the 4th end connects
It is provided with the air compressor machine of compressed air, first end is provided with hanging ring, and hanging ring realizes following movement: the setting of sandpipe 10 out is being latched
In 30, the subsequent decentralizations movement that sandpipe 10 is transferred out when taking out, reach the taking-up movement for going out sandpipe 10 after designed elevation and its
He needs the movement of hanging ring.
The following are lock borehole cleaning process flow concrete operations:
One, hanging ring is sling by crane, by hole cleaning device setting in lock 30；
Two, second end is inserted by layer of sand 200-550mm by crane and hand fit, air compressor machine is opened, by compressed air
It is transported to second end by air inlet pipe 20, is blown afloat the dregs in layer of sand by the compressed air that the air inlet pipe 20 conveys, and
Water on layer of sand is mixed into the mixture of the dregs and water that are easily drawn out, is discharged eventually by the sandpipe 10 out, is emitted into sand
Layer, which is reduced to after going out sandpipe 10 described in disengaging, to be stopped；
Three, it is repeated as many times operation two, the layer of sand latched in 30 and moisture section are discharged, until sand in the lock 30
Layer dregs clearly to designed elevation when stop repeating, close air compressor machine, hanging ring sling by crane, hole cleaning device is taken out, borehole cleaning
Terminate.
Wherein, the layer of sand insertion end 40 of sandpipe 10 is provided with bevel edge/arc side out, and the bevel edge/arc side is shaked out convenient for described
Pipe 10 is inserted into layer of sand；Sandpipe 10 is arranged in the layer of sand in the lock 30 out, is specifically inserted into layer of sand in the lock 30
Depth is 200-550mm, and the junction of air inlet pipe 20 and the layer of sand insertion end 40 is 20mm apart from the layer of sand insertion end 40
To at 40mm.
In addition, second end is inserted into the optimal depth of layer of sand as 500mm, the optimal distance of air inlet pipe 20 and the second end is
30mm；Since second end is the layer of sand insert port with bevel edge or arc side, i.e. end face is not concordant with horizontal plane, here air inlet pipe 20
Second end in the distance of third end and second end refers to the highest point of second end under plumbness；Dregs refer to sand, silt
It is less than the impurity of 10 diameter of sandpipe with other such as all sizes of stone leaf；Need constantly hammering described out during taking out sand
Sandpipe 10 avoids accumulating in pipe because of stone or sand, and the sandpipe 10 out is caused to block.
Second part sealing material fill process process:
Sealing material is filled, it is the first sealing material and the second sealing material respectively that sealing material, which can be divided into two major classes,
It only needs to fill one of the first sealing material or the second sealing material when construction and the filling of sealing material can be completed；It is described
First sealing material is gelling mixing material, and second sealing material is solid material, the first sealing material and the second sealing
The fill method of material difference:
One, the filling mode of the first sealing material is to be filled using slip casting machine grouting mode, is latching 30 steel pipe pile cofferdams
After setting completed, identical by canvas using diameter and 30 diameters of lock by slip casting machine from the bottom slip casting of the lock 30
Bag, that is, use diameter to wrap Grouting Pipe for the waterproof canvas bag of 200mm and deeply latch 30 bottom ends, carry out slip casting afterwards, until institute
It states the first sealing material 30 filling of lock is complete, and waits to be solidified, wherein slip casting pipe diameter is 30mm.
Two, the filling mode of the second sealing material is artificial concrete vibrating mode, i.e., is segmented second sealing material and loads,
Every section of fill depth is 800-1200mm, by it is artificial it is every loaded 800-1200mm and once vibrated, specifically vibrating can be with
Using reinforcing bar identical with steel pipe pile length, vibrate into lock 30, it is every to have filled by the second sealing material vibration compacting
It once requires latch the second sealing material in 30 and carries out vibration compacting, up to second sealing material is by the lock
30 fillings are complete.
Wherein, the first sealing material can be formulated using cement, bentonite, swelling agent and water；Second sealing material
It can be formulated using river sand, sawdust and bentonite.
Part III seepage treatment process flow:
One, carry out seepage treatment first excludes whether to lead since sealing material is unqualified that is, when leak occurs in the fore shaft
Whether the reason of causing leakage, then excluding 30 configuration aspects of lock of steel-pipe pile, i.e. 30 outer walls of detection lock have slight crack and corruption
Phenomena such as erosion, after excluding the reason of 30 body structures of sealing material quality and lock lead to leakage, so that it may which determination is to fill not
Leakage caused by good, 30 outer wall of the lock of impact breakthrough and breakthrough or more is then carried out with hammering, makes lock 30
Interior sealing material falls because being vibrated, will lock 30 in emptied be partially filled with it is closely knit, then proceed to mend fill out it is identical only
Water material；
Two, seepage treatment is supplemented, if causing sealing condensation of materials in seepage treatment to be stuck in the lock because the strength of materials is big
It is difficult to fall in button 30, is then repeatedly inserted into the lock 30 using the reinforcing bar of equal length, so that sealing material is loosely fallen, then
The part emptied is filled with identical sealing material, reaches water-stagnating effect.
First part is latched to three in borehole cleaning process flow to operate, in second part sealing material fill process process
Alternative operation and the process flow of Part III seepage treatment two operation according to first part, second part and Part III
Sequential connection, as lock steel pipe pile cofferdam latch water-stopping method.
Claims (8)
1. a kind of lock steel pipe pile cofferdam latches water-stopping method, which is characterized in that two neighboring described including several steel-pipe piles
Steel-pipe pile is connected with each other by hollow lock (30), following steps:
Step 1: being arranged hole cleaning device in each lock (30), and the hole cleaning device includes sandpipe (10) and connecting
Lead to the air inlet pipe (20) in described sandpipe (10) side wall out；
Step 2: carrying out the borehole cleaning of the lock (30) for the first time, and sandpipe (10) setting is gone out by described in the lock (30)
Layer of sand in, by the air inlet pipe (20) convey compressed air by the dregs in layer of sand blow afloat and layer of sand on water mix
It is emitted into layer of sand eventually by sandpipe (10) discharge out at the mixture of the dregs and water that are easily drawn out and reduces to disengaging
Sandpipe (10) out stop afterwards；
Step 3: being repeated as many times step 2, the layer of sand latched in (30) and moisture section is discharged, until the lock (30)
Interior layer of sand dregs clearly to designed elevation when stop repeating, hole cleaning device is taken out, borehole cleaning terminates；
Step 4: filling sealing material, the sealing material are divided into the first sealing material and the second sealing material, and described first stops
Water material be gelling mixing material, second sealing material be solid material, from it is described lock (30) bottom slip casting up to
First sealing material fills the lock (30) completely, and waits to be solidified；The filling of second sealing material
Mode is artificial concrete vibrating mode, i.e., by the second sealing material subsection filling, every filled once will be in the lock (30)
The second sealing material carry out vibration compacting, until second sealing material by the lock (30) filling completely；
Step 5: carrying out seepage treatment, i.e., when leak occurs in the fore shaft, first excludes the lock (30) structure of steel-pipe pile
Then the reason of aspect, strikes the lock (30) outer wall of breakthrough and breakthrough or more, makes in the lock (30)
Sealing material falls because being vibrated, and will be emptied in the lock (30) and be partially filled with closely knit, and then proceeded to mend and fill out sealing
Material；
Step 6: carrying out leakage supplement process, and the leakage supplement process leads to sealing material because sealing material intensity is big
Condensation is stuck in the lock (30) and is difficult to the processing method to fall.
2. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that the leakage is mended
Filling processing includes: to be repeatedly inserted into the lock (30) using the reinforcing bar of equal length, removes the sealing material to fall off, then uses phase
Same sealing material fills the part emptied, and reaches water-stagnating effect.
3. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that described first stops
The filling mode of water material is the bottom slip casting by slip casting machine from the lock (30).
4. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that the impact is seeped
The method of the lock (30) outer wall more than leak source and breakthrough is using hammer.
5. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that the step 2
In need constantly to hammer during taking out sand it is described go out sandpipe (10), avoid because in stone or sand accumulation pipe, and cause it is described go out
Sandpipe (10) blocking.
6. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that the sandpipe out
(10) layer of sand insertion end (40) is provided with bevel edge or arc side, and the bevel edge or arc side are convenient for sandpipe (10) the out insertion layer of sand
It is interior.
7. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that institute in step 1
State position of the junction of air inlet pipe (20) and layer of sand insertion end (40) apart from layer of sand insertion end (40) the end 20-40mm
Place.
8. a kind of lock steel pipe pile cofferdam according to claim 1 latches water-stopping method, which is characterized in that institute in step 2
The depth that sandpipe (10) setting is stated out in described lock (30) interior layer of sand is 200-550mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559495.6A CN109372032A (en) | 2018-12-19 | 2018-12-19 | A kind of lock steel pipe pile cofferdam lock water-stopping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559495.6A CN109372032A (en) | 2018-12-19 | 2018-12-19 | A kind of lock steel pipe pile cofferdam lock water-stopping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109372032A true CN109372032A (en) | 2019-02-22 |
Family
ID=65370853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811559495.6A Pending CN109372032A (en) | 2018-12-19 | 2018-12-19 | A kind of lock steel pipe pile cofferdam lock water-stopping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211209A (en) * | 2020-09-24 | 2021-01-12 | 中铁大桥局集团第一工程有限公司 | Water stopping method for locking notch of steel pipe pile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442622A (en) * | 2015-12-15 | 2016-03-30 | 中交一公局桥隧工程有限公司 | Water-retaining construction technology for locked steel pipe piles |
| CN205914467U (en) * | 2016-08-23 | 2017-02-01 | 中国电建集团核电工程公司 | Hole system is settleed towards sediment to atmospheric pressure hydrocone type |
| CN206668195U (en) * | 2017-05-02 | 2017-11-24 | 贵州盘江精煤股份有限公司 | A kind of descending drilling hole cleaning device of gas pumping |
-
2018
- 2018-12-19 CN CN201811559495.6A patent/CN109372032A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442622A (en) * | 2015-12-15 | 2016-03-30 | 中交一公局桥隧工程有限公司 | Water-retaining construction technology for locked steel pipe piles |
| CN205914467U (en) * | 2016-08-23 | 2017-02-01 | 中国电建集团核电工程公司 | Hole system is settleed towards sediment to atmospheric pressure hydrocone type |
| CN206668195U (en) * | 2017-05-02 | 2017-11-24 | 贵州盘江精煤股份有限公司 | A kind of descending drilling hole cleaning device of gas pumping |
Non-Patent Citations (1)
| Title |
|---|
| 蒋红星等: "新型锁口钢板桩围堰在之江大桥施工中的应用", 《混凝土》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211209A (en) * | 2020-09-24 | 2021-01-12 | 中铁大桥局集团第一工程有限公司 | Water stopping method for locking notch of steel pipe pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106836214B (en) | Rotary digging bored concrete pile pile body collapse hole or the construction method of pile bottom sediment mass defect processing | |
| CN107447765A (en) | Side slope construction supported with framed anchor construction | |
| CN106948354B (en) | A kind of power station impervious wall construction method | |
| CN104612134A (en) | Cast-in place pile post-grouting construction method for pouring construction | |
| CN101328714B (en) | Method for processing structure sedimentation by pressure casting and jacking replacement | |
| CN108386005A (en) | Repairing concrete crack structure and method for repairing and mending | |
| CN108166535A (en) | A kind of construction method of bellows leak stopping | |
| CN101761073A (en) | Improved construction technology of CFG (cement fIying-ash gravel) pile | |
| CN106089252B (en) | Grouting reinforcement method for inhomogeneous loose bodies | |
| CN107989049A (en) | A kind of construction method of frame bank protection | |
| CN105257309B (en) | In a kind of layer of sand in balancing earth-pressure shielding machine storehouse slip casting tool changing construction method | |
| CN109372032A (en) | A kind of lock steel pipe pile cofferdam lock water-stopping method | |
| CN106050303A (en) | Underground roadway plugging method and device | |
| KR100973745B1 (en) | Front Device for Grouting and Grouting Method using the same | |
| CN108625878A (en) | A kind of technique for solving the problems, such as tunnel-liner vault and coming to nothing | |
| CN208472716U (en) | Crack geology mortar leakage prevention drill-pouring pilework | |
| CN208056686U (en) | Repairing concrete crack structure | |
| KR100942714B1 (en) | The soil improvement method for which high-pressure injection agiator and this were used | |
| JP2002081054A (en) | Filling method for underground cavity | |
| KR102464905B1 (en) | Method of Ground Reinforcement using silica sol | |
| CN108193677A (en) | High pressure mortar piled anchor method for processing foundation | |
| CN110847916B (en) | Construction method for shield tunneling civil air defense engineering | |
| CN113309128B (en) | Construction method of dumbbell-shaped cement soil curtain pile in peat soil stratum | |
| CN1047644C (en) | Stabilization method for concrete structure pressed and filled by expanded agent cement paste | |
| CN107975027A (en) | The construction method that shield launching is reinforced with reaching end soil body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |