CN107447770A - A kind of big open caisson of superelevation and construction method - Google Patents

A kind of big open caisson of superelevation and construction method Download PDF

Info

Publication number
CN107447770A
CN107447770A CN201710739897.3A CN201710739897A CN107447770A CN 107447770 A CN107447770 A CN 107447770A CN 201710739897 A CN201710739897 A CN 201710739897A CN 107447770 A CN107447770 A CN 107447770A
Authority
CN
China
Prior art keywords
open caisson
caisson
construction
construction method
cutting shoe
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
Application number
CN201710739897.3A
Other languages
Chinese (zh)
Inventor
郭延义
鲍炯
赵欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Construction No 2 Group Co Ltd
Original Assignee
Shanghai Construction No 2 Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Construction No 2 Group Co Ltd filed Critical Shanghai Construction No 2 Group Co Ltd
Priority to CN201710739897.3A priority Critical patent/CN107447770A/en
Publication of CN107447770A publication Critical patent/CN107447770A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00Caissons; Construction or placing of caissons
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00Caissons; Construction or placing of caissons
    • E02D23/08Lowering or sinking caissons
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00Caissons; Construction or placing of caissons
    • E02D23/16Jointing caissons to the foundation soil, specially to uneven foundation soil

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)

Abstract

The invention discloses the big open caisson of superelevation and construction method, belong to municipal drainage technical field, form cost is higher and long in time limit for being gone along with sb. to guard him in existing foundation pit construction, the problem of certain foundation pit collapse risk be present.The big open caisson of the superelevation and construction method include:Water-stop curtain, compaction grouting back cover and bed course are set first as preparation measures, secondly first segment open caisson is poured respectively in two steps, second section open caisson, until form complete caisson structure, then open caisson operation is carried out, bottom concrete is finally carried out to pour, pass through the construction method of " making twice, an open caisson ", save horizontal struts system, the risk of foundation pit collapse is avoided, open caisson is made respectively by two steps, avoids the risk of the big open caisson manufacture process of superelevation of producing once, construction period and construction cost are saved, there is preferably promotional value.

Description

A kind of big open caisson of superelevation and construction method
Technical field
The invention belongs to municipal drainage technical field, more particularly to a kind of big open caisson of superelevation and construction method.
Background technology
Currently, as social economy develops rapidly, the requirement of urban construction is improved constantly, and rain sewerage is built more heavy Will.Traditional foundation pit construction mainly excavates the construction method with reference to several horizontal struts system using large area, and the construction method is enclosed Shield form is mostly diaphram wall, bored concrete pile, SMW engineering method stakes etc..Foregoing form cost of going along with sb. to guard him is higher and long in time limit, exists certain Foundation pit collapse risk.Open caisson has good density, short time limit, to neighbour as a kind of safe reliable rain sewage collection equipment The advantages such as the influence of nearly building is smaller, stability is good.However, when caisson structure is higher belong to superelevation big open caisson when, once Property make molding construction inconvenience and dangerous larger.
Therefore it provides a kind of big open caisson of superelevation that can effectively make up above-mentioned various drawbacks and construction method are art technologies The technical barrier of personnel's urgent need to resolve.
The content of the invention
It is an object of the invention to provide one kind to be applied to the big open caisson of superelevation and construction method, is applied with solving existing foundation ditch Go along with sb. to guard him that form cost is higher and long in time limit in work, the problem of certain foundation pit collapse risk be present.
To achieve these goals, the technical scheme is that:
A kind of big open caisson of superelevation and construction method, comprise the following steps:
Step 1: construction water-stop curtain:Open caisson surrounding is using double a diameter of 800mm high-pressure rotary jet grouting pile as sealing curtain Curtain, overlap height >=250mm;
Step 2: construction compaction grouting back cover, its slip casting thickness is 3m under bottom plate;
Step 3: construction cushion coat, the bed course includes top concrete cushion and bottom sand bedding course;
Step 4: the step-by-step construction caisson structure above the concrete cushion of the step 3:The first step, carry out first segment Reinforcing bar colligation, formwork erection, concreting and the maintenance of open caisson and cutting shoe;Second step, treat that the first segment open caisson reaches During design strength, based on the first segment open caisson, the second section open caisson is poured above it and is conserved, until being formed complete Caisson structure;
Step 5: caisson structure sinking operation, and carry out excavation and construction in well;
Step 6: dry back cover construction:When the caisson structure is sunk down into away from design bottom absolute altitude 10cm, stop cutting the earth in well And draining so that when the caisson structure is by deadweight sinking or close to design bottom absolute altitude, then it is stable by the sinking of 2 to 3 days, Or through observe in 8 days add up deflection be not more than 10mm when, you can progress bottom sealing construction.
Further, the step 3 includes:Have wall in the cutting shoe uses 1.3m thickness sand bedding courses, width 2.9m; Using the full hall backfill of 1m thickness sand bedding course under cutting shoe beam;Sand during sand bedding course backfill is selected, vibrated with plate vibrator layering so that every Thickness degree is less than 30cm, and sprinkles water, control dry density>1.56t/m3, ground cleaning leveling, makes top surface be maintained at same level On, its absolute altitude is controlled within 10mm deviations with spirit level, and placing sand is tamped in its space, and sand bedding course is detected with cuttage Compactness.
Further, it is 0.4 that the step 5, which includes first gradually digging since open caisson centre to surrounding, every layer of shoveling thickness, ~0.5m, along cutting shoe around retain 0.5~1.5m earth embankment, then again along mono- section of the every 2~3m of caisson wall to cutting shoe direction by Layer comprehensively, symmetrical, equably skiving soil layer, cut 5~10cm every time, when soil layer cannot stand the extruding of cutting shoe and rupture, open caisson Just soil compaction is sunk in the presence of deadweight.
Further, the step 5 also includes conserving to design strength after the described second section open caisson, is dug using grab bucket Pick machine excavates the earthwork of center section in well, and the earthwork in well is hoisted into ground entrucking outward transport, the earthwork master that periphery is leaned in well To be excavated by hand excavation and skewer shovel.
Further, the step 6 includes:Finishing first is carried out to shaft bottom and forms it into form of pot bottom, then from cutting shoe in The heart digs out the gutter of radiation, and interior guanovulite turns into seugh, and 2~3 sumps, sump well are set in middle part Between be interconnected with french drain, insert in wellThe steel pipe or pipe of concrete of surrounding eye, surrounding are filled out with ovum Stone, the current in shaft bottom is collected in well, then discharged with immersible pump, ensure that the level of ground water in open caisson is less than basal surface with this 0.5m or so;Back cover is by metalling thick 160mm, plain concrete layer thick 200mm, and the concrete floor three that 600mm is thick Layer composition.
Further, the back cover material under the cutting shoe tamps, and concrete cushion answers vibration compacting, to ensure open caisson most After stablize, after blinding concrete reaches 50% design strength, you can carry out base plate steel bar binding, baseplate reinforcing bar should be by design requirement Stretch into the groove of cutting shoe.
Further, the depth of the sump is 1~2m.
Present invention also offers the big open caisson of superelevation made using foregoing construction method, the big open caisson of superelevation includes top Lid, caisson structure and back cover, the caisson structure includes the first segment open caisson poured at twice and the second section open caisson, described heavy Well construction lower end is provided with cutting shoe, and partition wall is provided with open caisson pit shaft, and borehole wall inner side is provided with groove above the cutting shoe.
The present invention compared with prior art, has the following advantages that and beneficial effect:
The big open caisson of superelevation and construction method of the present invention, sets water-stop curtain, compaction grouting back cover and bed course to make first For preparation measures, first segment open caisson, the second section open caisson, until forming complete caisson structure, so are secondly poured respectively in two steps Open caisson operation is carried out afterwards, bottom concrete is finally carried out and pours, that is, passes through the construction method of " making twice, an open caisson ", section Horizontal struts system has been saved, has avoided the risk of foundation pit collapse, open caisson has been made respectively by two steps, avoids superelevation of producing once The risk of big open caisson manufacture process, saves construction period and construction cost, has preferably promotional value.
Brief description of the drawings
The big open caisson of superelevation and construction method of the present invention is provided by following embodiment and accompanying drawing.
Fig. 1 is the schematic diagram before the big well sinking of superelevation in one embodiment of the invention;
Fig. 2 is the schematic diagram after the big well sinking of superelevation in one embodiment of the invention.
In figure:
1- sand bedding courses;2- concrete cushions;3- water-stop curtains;4- first segment open caissons;5- second saves open caisson;6- cutting shoes;7- Clamp excavator;8- compaction grouting back covers.
Embodiment
The big open caisson of superelevation proposed by the present invention and construction method are made below in conjunction with the drawings and specific embodiments further detailed Describe in detail bright.According to following explanation and claims, advantages and features of the invention will become apparent from.It need to illustrate in addition, it is attached Figure uses using very simplified form and non-accurately ratio, only real conveniently, lucidly to aid in illustrating the present invention Apply the purpose of example.For sake of convenience, the upper and lower direction of " on ", " under " with accompanying drawing described below is consistent, but this can not be into For the limitation of technical solution of the present invention.
In the present embodiment, according to project situation, the well bore of first segment open caisson 4 is highly 6m, and the well bore of the second section open caisson 5 is high Spend for 6.2m.Embodiment one
Describe the construction method of the big open caisson of superelevation of the present invention in detail with reference to Fig. 1 and Fig. 2.
The construction method of the big open caisson of superelevation, comprises the following steps:
Step 1: construction water-stop curtain 3:Open caisson surrounding is using double a diameter of 800mm high-pressure rotary jet grouting pile as sealing Curtain, overlap height >=250mm, so as to be ready measure for open caisson construction.
Step 2: construction compaction grouting back cover 8, its slip casting thickness is 3m under open caisson concrete sealing bottom bottom plate, so as to play Isolate the effect of shaft bottom silt and water, be further ready measure for follow-up cast-in-place open caisson.
Step 3: because open caisson is made, after the completion for the treatment of water-stop curtain 3 and the construction of compaction grouting back cover 8, by ground Cleaning leveling, construction cushion coat, is easy to pour open caisson.Bed course includes top concrete cushion 2 and bottom sand bedding course 1.First segment sinks Well is poured based on top concrete cushion 2, and the basis that top concrete cushion 2 and bottom sand bedding course 1 are formed is open caisson Pour smooth construction environment be provided, so as to ensure the production quality of open caisson.
Step 4: the step-by-step construction caisson structure (not shown) above the concrete cushion 2 of step 3:The first step, carry out Reinforcing bar colligation, formwork erection, concreting and the maintenance of first segment open caisson 4 and cutting shoe 6;Second step, treat first segment open caisson 4 When reaching design strength, based on first segment open caisson 4, the second section open caisson 5 is poured above it and is conserved, until being formed complete Caisson structure.That is, in order to prevent the big open caisson of primary concreting superelevation and caused danger, using the side of pouring step by step Formula, open caisson is poured respectively at twice, until forming complete caisson structure.Earthwork when certainly, in order to reduce caisson structure sinking Resistance, caisson structure lower end is interval with multiple cutting shoes 6.
Step 5: caisson structure sinking operation, and carry out excavation and construction in well;
Step 6: dry back cover construction:When caisson structure is sunk down into away from design bottom absolute altitude 10cm, stop cutting the earth and arranging in well Water so that when caisson structure is by deadweight sinking or close to design bottom absolute altitude, then it is stable by the sinking of 2 to 3 days, or through observation When accumulative deflection is not more than 10mm in 8 days, you can carry out bottom sealing construction.
The construction method of the big open caisson of superelevation of the present invention, by the way that caisson structure is poured at twice, first pour the of lower section One section open caisson, is poured and conserved to design strength after first segment open caisson, then poured above it based on first segment open caisson Second section open caisson, then form first segment open caisson and the second section open caisson after the second section open caisson is conserved to design strength one The caisson structure of body carries out open caisson operation, finally carries out bottom sealing, i.e., the dry construction " make, once sink twice " Method, it effectively compensate for the defects of big open caisson of superelevation makes molding construction inconvenience and larger danger successively.
Compared with existing open caisson operation construction method, the big open caisson construction method of superelevation of the embodiment of the present invention is with as follows Advantage:
(1) without horizontal struts system;
(2) without the risk of foundation pit collapse;
(3) the risk during the big open caisson manufacture of superelevation is reduced;
(4) the construction period is saved, reduces construction cost.
Please continue to refer to Fig. 1 to Fig. 2, it is preferable that step 3 includes:
Have wall in cutting shoe 6 uses 1.3m thickness sand bedding courses, width 2.9m;Using the full hall of 1m thickness sand bedding course under the beam of cutting shoe 6 Backfill;Sand during sand bedding course backfill is selected, is vibrated with plate vibrator layering so that is less than 30cm per thickness degree, and is sprinkled water, controls Dry density>1.56t/m3, ground cleaning leveling, top surface is maintained at the same horizontal plane, control its absolute altitude to exist with spirit level Within 10mm deviations, and placing sand is tamped in its space, and the compactness of sand bedding course is detected with cuttage.
Preferably, step 5 is included first starting among the open caisson gradually digging to surrounding, every layer of shoveling thickness for 0.4~ 0.5m, along cutting shoe around retain 0.5~1.5m earth embankment, then again along mono- section of the every 2~3m of caisson wall to the direction of cutting shoe 6 successively Comprehensively, symmetrically, equably skiving soil layer, cut 5~10cm every time, when soil layer cannot stand the extruding of cutting shoe 6 and rupture, open caisson is just Soil compaction is sunk in the presence of deadweight.
Preferably, step 5 also includes conserving to design strength after the described second section open caisson, is opened using clamp excavator 7 Dug a well the earthwork of interior center section, and the earthwork in well is hoisted into ground entrucking outward transport, in well by periphery the earthwork mainly by people Work is excavated and skewer shovel excavates.
Especially, step 6 includes:Finishing is first carried out to shaft bottom and forms it into form of pot bottom, then is dug from cutting shoe 6 to center Go out the gutter of radiation, interior guanovulite turns into seugh, and 2~3 sumps, the depth of sump are set in middle part For 1~2m.It is interconnected with french drain between sump well, is inserted in wellThe steel pipe of surrounding eye is mixed Solidifying soil pipe, surrounding are filled out with cobble, the current in shaft bottom is collected in well, then discharged with immersible pump, ensured with this in open caisson Level of ground water is less than basal surface 0.5m or so;Back cover is by metalling thick 160mm, plain concrete layer thick 200mm, and Concrete floor up of three layers thick 600mm.
Preferably, the back cover material under cutting shoe 6 tamps, and concrete cushion answers vibration compacting, to ensure the last steady of open caisson It is fixed, after blinding concrete reaches 50% design strength, you can carry out base plate steel bar binding, baseplate reinforcing bar should be stretched into by design requirement In the groove of cutting shoe 6.
Embodiment two
Please continue to refer to Fig. 1 and Fig. 2, the present embodiment additionally provides the big open caisson of superelevation made using foregoing construction method. The big open caisson of the superelevation is that cast in situs includes top cover, caisson structure and back cover, caisson structure bag into the big open caisson of the superelevation The section open caisson 5 of first segment open caisson 4 and second for pouring vertically overlap at twice is included, caisson structure lower end is provided with cutting shoe 6, open caisson pit shaft It is interior to be provided with partition wall, it is provided with groove on the inside of the top borehole wall of cutting shoe 6.
In summary, the big open caisson of superelevation of the invention and construction method, by " making twice, an open caisson ", save Horizontal struts system, the risk of foundation pit collapse is avoided, open caisson is made respectively by two steps, it is heavy greatly to avoid superelevation of producing once The risk of well manufacturing process, saves construction period and construction cost, has preferably promotional value.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention.Ability Any change, the modification that the technical staff in domain does according to the disclosure above content, belong to scope of the claims.

Claims (8)

1. a kind of construction method of the big open caisson of superelevation, it is characterised in that comprise the following steps:
Step 1: construction water-stop curtain:Open caisson surrounding using double a diameter of 800mm high-pressure rotary jet grouting pile as water-stop curtain, Overlap height >=250mm;
Step 2: construction compaction grouting back cover, its slip casting thickness is 3m under bottom plate;
Step 3: construction cushion coat, the bed course includes top concrete cushion and bottom sand bedding course;
Step 4: the step-by-step construction caisson structure above the concrete cushion of the step 3:The first step, carry out first segment open caisson With reinforcing bar colligation, formwork erection, concreting and the maintenance of cutting shoe;Second step, treat that the first segment open caisson reaches design During intensity, based on the first segment open caisson, the second section open caisson is poured above it and is conserved, until forming complete open caisson Structure;
Step 5: caisson structure sinking operation, and carry out excavation and construction in well;
Step 6: dry back cover construction:When the caisson structure is sunk down into away from design bottom absolute altitude 10cm, stop cutting the earth and arranging in well Water so that when the caisson structure is by deadweight sinking or close to design bottom absolute altitude, then it is stable by the sinking of 2 to 3 days, or warp Observation added up deflection when be not more than 10mm in 8 days, you can progress bottom sealing construction.
2. construction method according to claim 1, it is characterised in that the step 3 includes:There is wall in the cutting shoe Using 1.3m thickness sand bedding courses, width 2.9m;Using the full hall backfill of 1m thickness sand bedding course under cutting shoe beam;During sand bedding course backfill is selected Sand, is vibrated with plate vibrator layering so that and it is less than 30cm per thickness degree, and sprinkles water, control dry density>1.56t/m3, ground Cleaning leveling, makes top surface be maintained at the same horizontal plane, its absolute altitude is controlled within 10mm deviations with spirit level, and in its space Middle placing sand compacting, the compactness of sand bedding course is detected with cuttage.
3. construction method according to claim 1, it is characterised in that the step 5 include first among the open caisson by Gradually dig to surrounding, every layer of shoveling thickness is 0.4~0.5m, along cutting shoe around retain 0.5~1.5m earth embankment, then again along open caisson Mono- section of the every 2~3m of the borehole wall to cutting shoe direction successively comprehensively, symmetrical, equably skiving soil layer, 5~10cm is cut every time, when soil layer passes through Incessantly the extruding of cutting shoe and when rupturing, open caisson just sink in the presence of deadweight by soil compaction.
4. construction method according to claim 4, it is characterised in that the step 5 also includes treating the second section open caisson After maintenance to design strength, the earthwork of center section in well is excavated using clamp excavator, and the earthwork in well is hoisted to ground Entrucking is transported outward, and the earthwork in well by periphery is mainly excavated by hand excavation and skewer shovel.
5. construction method according to claim 1, it is characterised in that the step 6 includes:First shaft bottom is repaired Form of pot bottom is formed it into, then the gutter of radiation is dug out from cutting shoe to center, interior guanovulite turns into seugh, and in Between position set 2~3 sumps, be interconnected with french drain between sump well, inserted in wellSurrounding is with holes The steel pipe or pipe of concrete of eye, surrounding are filled out with cobble, the current in shaft bottom is collected in well, then discharged with immersible pump, with this Ensure the level of ground water in open caisson less than basal surface 0.5m or so;Back cover is by metalling thick 160mm, plain coagulation thick 200mm Soil layer, and the concrete floor up of three layers that 600mm is thick.
6. construction method according to claim 4, it is characterised in that the back cover material under the cutting shoe tamps, concrete Bed course answers vibration compacting, to ensure the last stabilization of open caisson, after blinding concrete reaches 50% design strength, you can carries out bottom plate Reinforcing bar colligation, baseplate reinforcing bar should be stretched into the groove of cutting shoe by design requirement.
7. construction method according to claim 4, it is characterised in that the depth of the sump is 1~2m.
8. the big open caisson of superelevation that the construction method according to any one of claim 1 to 7 makes, it is characterised in that described super Tall and big open caisson includes top cover, caisson structure and back cover, and the caisson structure includes the first segment open caisson poured at twice and the Two section open caissons, the caisson structure lower end are provided with cutting shoe, and partition wall is provided with open caisson pit shaft, and borehole wall inner side is provided with above the cutting shoe Groove.
CN201710739897.3A 2017-08-25 2017-08-25 A kind of big open caisson of superelevation and construction method Pending CN107447770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710739897.3A CN107447770A (en) 2017-08-25 2017-08-25 A kind of big open caisson of superelevation and construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710739897.3A CN107447770A (en) 2017-08-25 2017-08-25 A kind of big open caisson of superelevation and construction method

Publications (1)

Publication Number Publication Date
CN107447770A true CN107447770A (en) 2017-12-08

Family

ID=60493107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710739897.3A Pending CN107447770A (en) 2017-08-25 2017-08-25 A kind of big open caisson of superelevation and construction method

Country Status (1)

Country Link
CN (1) CN107447770A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086163A (en) * 2017-12-28 2018-05-29 中国葛洲坝集团第二工程有限公司 Concrete open caisson high-pressure rotary-spray antiseepage cofferdam construction method
CN108824445A (en) * 2018-07-09 2018-11-16 上海渡舟建设工程管理咨询有限公司 A kind of foundation pit construction engineering method with enclosure-type mud equilibrium function building enclosure
CN108951677A (en) * 2018-07-04 2018-12-07 岩土科技股份有限公司 The open caisson construction method of the muck soil position underground space
CN109537607A (en) * 2018-12-08 2019-03-29 中交三公局桥梁隧道工程有限公司 A kind of bottomless steel reinforced concrete convolution Caisson method for cushion cap cofferdam
CN109594575A (en) * 2018-12-26 2019-04-09 郑州市第建筑工程集团有限公司 A kind of open caisson periphery grouting and reinforcing soil body construction method
CN109706952A (en) * 2018-12-25 2019-05-03 中建四局第六建筑工程有限公司 Large-scale well-sinking construction method
CN110258574A (en) * 2019-06-10 2019-09-20 天津建岩岩土工程有限公司 Foundation ditch construction method
CN110761329A (en) * 2019-10-25 2020-02-07 中铁第四勘察设计院集团有限公司 Segmented construction method for mud-water balance open caisson station in soft soil area
CN110761327A (en) * 2019-10-25 2020-02-07 中铁第四勘察设计院集团有限公司 Longitudinal segmented open caisson connecting structure of slurry balance open caisson station and mounting method
CN112663664A (en) * 2020-12-21 2021-04-16 中国能源建设集团浙江省电力设计院有限公司 Combined foundation construction method for ultra-large open caisson structure
CN113756351A (en) * 2021-09-23 2021-12-07 黄河建工集团有限公司 Construction method for sinking of non-drainage open caisson
CN114032940A (en) * 2022-01-11 2022-02-11 海安明宇智能控制技术有限公司 Intelligent control equipment for whole process of urban open caisson construction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006207152A (en) * 2005-01-25 2006-08-10 Ps Mitsubishi Construction Co Ltd Open caisson press-fitting method
CN102454167A (en) * 2010-10-21 2012-05-16 五冶集团上海有限公司 Construction method for large ultra-deep well
CN103205978A (en) * 2013-04-18 2013-07-17 成军 High-permeability zone under-water-level elevator foundation pit open caisson moulding bed construction method
CN103343544A (en) * 2013-07-16 2013-10-09 江西建工第一建筑有限责任公司 Construction method for large-scale open caisson
CN104563146A (en) * 2014-12-31 2015-04-29 浙江杭州湾建筑集团有限公司 Construction method for open caisson engineering of fixed and direct burial type rainwater and sewage pumping station
CN105569062A (en) * 2015-12-11 2016-05-11 武汉广益交通科技股份有限公司 Dewatering method implemented through permeation, weakening and emission reduction
CN106958256A (en) * 2017-03-22 2017-07-18 中建四局第五建筑工程有限公司 A kind of placement layer by layer, the open caisson construction technique repeatedly sunk

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006207152A (en) * 2005-01-25 2006-08-10 Ps Mitsubishi Construction Co Ltd Open caisson press-fitting method
CN102454167A (en) * 2010-10-21 2012-05-16 五冶集团上海有限公司 Construction method for large ultra-deep well
CN103205978A (en) * 2013-04-18 2013-07-17 成军 High-permeability zone under-water-level elevator foundation pit open caisson moulding bed construction method
CN103343544A (en) * 2013-07-16 2013-10-09 江西建工第一建筑有限责任公司 Construction method for large-scale open caisson
CN104563146A (en) * 2014-12-31 2015-04-29 浙江杭州湾建筑集团有限公司 Construction method for open caisson engineering of fixed and direct burial type rainwater and sewage pumping station
CN105569062A (en) * 2015-12-11 2016-05-11 武汉广益交通科技股份有限公司 Dewatering method implemented through permeation, weakening and emission reduction
CN106958256A (en) * 2017-03-22 2017-07-18 中建四局第五建筑工程有限公司 A kind of placement layer by layer, the open caisson construction technique repeatedly sunk

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086163A (en) * 2017-12-28 2018-05-29 中国葛洲坝集团第二工程有限公司 Concrete open caisson high-pressure rotary-spray antiseepage cofferdam construction method
CN108951677A (en) * 2018-07-04 2018-12-07 岩土科技股份有限公司 The open caisson construction method of the muck soil position underground space
CN108824445A (en) * 2018-07-09 2018-11-16 上海渡舟建设工程管理咨询有限公司 A kind of foundation pit construction engineering method with enclosure-type mud equilibrium function building enclosure
CN109537607A (en) * 2018-12-08 2019-03-29 中交三公局桥梁隧道工程有限公司 A kind of bottomless steel reinforced concrete convolution Caisson method for cushion cap cofferdam
CN109706952A (en) * 2018-12-25 2019-05-03 中建四局第六建筑工程有限公司 Large-scale well-sinking construction method
CN109594575A (en) * 2018-12-26 2019-04-09 郑州市第建筑工程集团有限公司 A kind of open caisson periphery grouting and reinforcing soil body construction method
CN110258574A (en) * 2019-06-10 2019-09-20 天津建岩岩土工程有限公司 Foundation ditch construction method
CN110761329A (en) * 2019-10-25 2020-02-07 中铁第四勘察设计院集团有限公司 Segmented construction method for mud-water balance open caisson station in soft soil area
CN110761327A (en) * 2019-10-25 2020-02-07 中铁第四勘察设计院集团有限公司 Longitudinal segmented open caisson connecting structure of slurry balance open caisson station and mounting method
CN110761329B (en) * 2019-10-25 2021-06-22 中铁第四勘察设计院集团有限公司 Segmented construction method for mud-water balance open caisson station in soft soil area
CN110761327B (en) * 2019-10-25 2024-05-28 中铁第四勘察设计院集团有限公司 Longitudinal sectional open caisson connecting structure of muddy water balance open caisson station and mounting method
CN112663664A (en) * 2020-12-21 2021-04-16 中国能源建设集团浙江省电力设计院有限公司 Combined foundation construction method for ultra-large open caisson structure
CN113756351A (en) * 2021-09-23 2021-12-07 黄河建工集团有限公司 Construction method for sinking of non-drainage open caisson
CN114032940A (en) * 2022-01-11 2022-02-11 海安明宇智能控制技术有限公司 Intelligent control equipment for whole process of urban open caisson construction

Similar Documents

Publication Publication Date Title
CN107447770A (en) A kind of big open caisson of superelevation and construction method
CN104264688B (en) Manually digging hole non-uniform pile support construction process
CN105464686B (en) Multi-layer underground space curtain posture excavating construction method and supporting construction under existing facility
CN105239578B (en) Water-rich sand layer deep foundation pit underwater construction method
CN106836244A (en) A kind of method of friction pile dative guest barricade joint protection steep slope subgrade high
CN105804007B (en) A kind of reinforced earth quaywall structure based on the soft base of beach
CN105544576A (en) Foundation ditch dewatering and drainage excavation structure and application method
CN110159294A (en) A kind of high steep landform tunnel immediately adjacent to bridge section spreading open cut tunnel construction method
CN108571000A (en) The construction method of underground water cutting when wearing existing railway under a kind of road of location along the river
CN109750571A (en) A kind of road landslide emergency and permanent supporting and retaining system integral structure and construction method
CN106088126A (en) A kind of open caisson deviation rectification construction method
CN109881658A (en) A kind of radial construction technology for red mud consolidation draining
CN109706952A (en) Large-scale well-sinking construction method
CN207331740U (en) A kind of heightening and consolidation structure of in-service reinforced concrete retaining wall
KR101531799B1 (en) Repair reinforcement method of the waterfront structure
CN209854753U (en) Open caisson structure under pressure-bearing water-powder fine sand layer condition
CN107090837A (en) Hole reinforced concrete barricade composite supporting construction and its construction method in one kind hole
CN203160254U (en) Pit support structure
CN207211176U (en) A kind of big open caisson of superelevation
CN101319501B (en) Construction method of deep foundation ditch
CN105155421B (en) Complete embedding circular construction method in a kind of single pile Single column pier river course shallow water
CN204919566U (en) Soft soil area tower crane foundation construction supporting construction
CN110080234A (en) A method of it is excavated in the secondary central island of deep foundation pit of soft soil foundation
CN109653223A (en) River anti-floating weighting board construction method
CN110144871A (en) A kind of dark creek processing construction method

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: 20171208