CN205776157U - Assembled underground continuous wall - Google Patents
Assembled underground continuous wall Download PDFInfo
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- CN205776157U CN205776157U CN201620566775.XU CN201620566775U CN205776157U CN 205776157 U CN205776157 U CN 205776157U CN 201620566775 U CN201620566775 U CN 201620566775U CN 205776157 U CN205776157 U CN 205776157U
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Abstract
The utility model discloses a kind of assembled underground continuous wall, diaphragm wall component is cavity structure, prefabricated in factory or job site, and component is the most assembled in the groove section excavated in advance to be connected；Joint includes transverse joint and vertical joint, and vertical joint uses dovetail manner, and transverse joint uses misconnection or joggle joint bolt connected mode, component side arranges built-in connection, the vertical joint of component arranges compaction grouting pipe, sets Grouting Pipe in component, and component bottom sets blotter and reinforces.This utility model, by assembling coercion underground continuous wall component in groove section at the construction field (site), is reinforced in conjunction with compaction grouting at the bottom of vertical abutment joint slip casting, wall and rubble, it is possible to form the continuous underground wall structure of overall structure rigidity and anti-permeability performance of simultaneously having.Controllability is strong, quality good, efficiency is high, the cycle is short in this utility model construction, saves material, and construction costs is low, and engineering construction is respond well.
Description
Technical field
This utility model relates to technical field of civil engineering, relates in particular to a kind of foundation pit enclosure assembled underground continuous
Wall construction.
Background technology
Diaphram wall is the first-selected version of Construction of Deep Foundation and Extra-Deep Foundation Pit, extensive in all parts of the world
Application, current diaphram wall is replacing many traditional deep foundations and deep footing groove enclosing structure and construction method.Underground is even
Vibrate during continuous wall construction little, noise is low, it is adaptable to construction in urban architecture close quarters；Wall stiffness is big, and barrier performance is good；Can
It is applicable to multiple geological conditions；It can be the permanent basis of superstructure；Can make full use of limited ground in property line and
Space, gives full play to returns of investment；Work efficiency is high, the duration is short, reliable in quality.Cast-in-place diaphram wall be currently used most widely
Version, but diaphram wall of constructing in complex geological condition such as sandy soil stratum at present, be the most relatively difficult to resolve certainly underground and connect
The concrete pouring quality problem that slurry trench stability problem during continuous wall trenching construction and landslip of the sides of the trench cause, thus produce table
Show muscle and the wall body mass defect such as hole, body of wall and joint localized seepage, wall steel bar basket structure damage, affect underground continuous
The safety of wall construction and waterproof effect.
Continuous wall trench underground process and cell wall supporting all use mud, need to discharge mud, produce after casting concrete
Substantial amounts of waste mud needs to process, and causes the increase of serious environmental pollution and cost.
The construction property of diaphram wall underwater casting determines job site and is difficult to the construction matter of 100% guarantee body of wall
Amount, this is also the mass defect that cast-in-place continuous underground wall structure cannot improve or make up.Therefore, engineering circles needs a kind of energy of searching badly
Enough substitute the Novel underground diaphragm wall structure of cast-in-place diaphram wall, but this industry predicament is solved the most well at present
Certainly.
Utility model content
Technical problem to be solved in the utility model is, overcomes the knot of cast-in-place concrete under water present in prior art
Structure wall body difficult quality control problem, it is provided that a kind of can the assembled underground continuous wall of overall assembling at the construction field (site).
For reaching above-mentioned purpose, the technical solution adopted in the utility model is:
A kind of assembled underground continuous wall, diaphram wall is assembled by some prefabricated components, and described prefabricated components set
There is vertical joint；Described prefabricated components are provided with transverse joint；Described prefabricated components are cavity structure；Described prefabricated components are by standard
Part and non-standard component composition, the physical dimension of standard component is modularization, and non-standard component physical dimension customizes as requested；Prefabricated pre-
Having multiple vertical cavity in the middle of component processed, vertical cavity is in connecting up and down；Described prefabricated components side arranges some pre-buried companies
Fitting combines with main body underground structure and forms two wall unifications.
Described vertical joint, joint form is joggle, and joggle section is concavo-convex rectangle, concavo-convex inverted trapezoidal trapezoidal, concavo-convex, recessed
One or more be mutually combined of convex.
Described transverse joint, joint form is misconnection or joggle, and joint section is vertical misconnection, oblique misconnection, rectangle tenon
Connect, one or more be mutually combined of trapezoidal joggle；Joint area is provided with bolt anchoring and connects.
The thickness of described prefabricated components is not less than 500mm, and single weight is not more than 500kN.
Further, described prefabricated components are cavity structure, carry out prefabricated in factory or job site framing segmentation, cross-section
Face includes straightway and round corner section.
Further, described assembled underground continuous wall is provided with vertical joint, and connected mode is to be hung down by tongue-and-groove after centering
Straight cutting enters.
Further, in top weak soil bottom pan soil or rock stratum, use and grab milling combination and mud off construction method, on
Portion uses grab chute forming, and bottom uses slotter grooving；After grooving, assembled underground continuous wall segmentation is implanted.
Further, the described vertical joint of assembled underground continuous wall prefabricated components is provided with compaction grouting pipe, assembling
Afterwards gap, vertical joint is carried out compaction grouting.
Further, described assembled underground continuous wall is provided with transverse joint, and joint form includes misconnection or joggle and ties
Conjunction bolt connects, and joint section includes vertical misconnection, oblique misconnection, rectangle joggle, trapezoidal joggle etc., during assembling between vertical joint
Uniform application marine glue, vertical connection equal joint bolt anchoring.
Further, described assembled underground continuous wall prefabricated components side arranges built-in connection and main body underground structure
In conjunction with, make diaphram wall double as main body outer wall of underground structure, i.e. two wall unifications.
Further, described assembled underground continuous wall component bottom sets blotter.
Further, set Grouting Pipe in described assembled underground continuous wall prefabricated components, at the bottom of Grouting Pipe pipe, set one-way non-return
Sealing ring, during assembling, Grouting Pipe pipe end stretch enters in blotter.
Further, described assembled underground continuous wall carries out blotter slip casting at the bottom of wall by Grouting Pipe after installing.
Owing to being prefabricated cavity structure, in its groove changed out, mud amount also greatly reduces.
Further, the grooving of assembled underground continuous wall, in Soft Soil Layer, uses multi-shaft stirring or two-wheel milling stirring
Method forms the soil-cement body of superfluidity in underground continuous wall groove segment；
Further, when the diaphram wall that soil-cement body is implanted into, eliminate process and the seam note of discharge mud
Slurry, has more the feature of environmental protection.
Beneficial effect: this utility model site operation operability is good, component quality of connection is reliable, assembling work efficiency
Height, the Cavity structural member effectively save engineering material of energy, compare tradition underwater casting continuous underground wall structure and be more easy to ensure the whole of structure
Body and construction quality, reduce construction costs, and engineering construction is respond well.
Accompanying drawing explanation
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is this utility model assembled underground continuous wall straightway prefabricated components and vertical joint schematic cross-sectional view；
Fig. 2 is this utility model assembled underground continuous wall straightway prefabricated components and vertical joint elevational schematic view；
Fig. 3 is this utility model assembled underground continuous wall round corner section prefabricated components and vertical joint schematic cross-sectional view；
Fig. 4 is this utility model assembled underground continuous wall transverse joint generalized section；
Fig. 5 is that this utility model assembled underground continuous wall is grabbed milling combined process and entered generalized section after groove assembly；
Fig. 6 is that this utility model assembled underground continuous wall stirring technique enters generalized section after groove assembly.
In figure: 1-prefabricated components, 2 standard components, 3 non-standard components, 4-vertical joint, 5 transverse joints, 6 cavitys,
7 concavo-convex rectangles, 8 concavo-convex trapezoidal, 9 concavo-convex inverted trapezoidals, 10 concavo-convex arcs, 11 compaction grouting pipes, 12 faultings
Connect, 13 oblique misconnection, 14 rectangle joggles, 15 trapezoidal joggles, 16 bolts, 17 marine glues, 18 blotters,
19 Grouting Pipe, 20 one-way non-return sealing rings, 21 built-in connections.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6.
Assembled underground continuous wall structure is passed through transverse joint and vertical joint in advance by cavity diaphragm wall prefabricated components
In the groove section of excavation, scene is spliced, including: diaphragm wall prefabricated components 1 are made up of standard component 2 and standard component 3, and component 1 sets
It is equipped with in the middle of vertical joint 4 and transverse joint 5, diaphragm wall prefabricated components 1 and cavity 6 is set；Vertical joint 4 form includes concavo-convex square
Shape 7, concavo-convex trapezoidal 7, concavo-convex inverted trapezoidal 9, concavo-convex arc 10 etc.；It is provided with compaction grouting pipe 11 at vertical joint 4；Transverse joint
5 forms include vertical misconnection 12, oblique misconnection 13, rectangle joggle 14, trapezoidal joggle 15, every kind of misconnection or joggle all with bolt 16
Anchoring combines；Uniform application marine glue 17 at transverse joint 5 during assembling；Diaphragm wall prefabricated components 1 bottom sets blotter 18；
Set Grouting Pipe 19 in diaphragm wall prefabricated components 1, at the bottom of Grouting Pipe 19 pipe, set one-way non-return sealing ring 20；Diaphragm wall prefabricated components 1 side
Face arranges built-in connection 21 and is connected with main body underground structure.
Assembled underground continuous wall construction procedure is as follows:
(1) grab milling combining construction method excavation underground continuous wall groove segment for using, be excavated to after designed elevation in groove section
Interior backfill blotter 18.
(2) hanging and vertically assembling of diaphragm wall prefabricated components 1 standard component 2 or non-standard component 3 is carried out after groove section excavation, even
Continuous wall prefabricated components 1 are hung and are fixed by buckle to groove section, then carry out the splicing of transverse joint 5, continue to hang after splicing
Put prefabricated components 1, repeat vertically to splice until groove section bottom design absolute altitude, complete the assembling of a vertical wall section.
(3) mode being inserted perpendicularly into after using vertically joint 4 centering, repetition above (1), (2) step: grooving the most continuously
Excavation, after carry out groove section in prefabricated components 1 vertically splice, then it is horizontally-spliced to carry out prefabricated components 1, thus formed had overall just
The diaphram wall of degree.
(4) in the body of wall spliced, vertical abutment joint compaction grouting is carried out by compaction grouting pipe 11.
(5) in the body of wall spliced, Grouting Pipe 19 and one-way non-return sealing ring 20 are passed through to blotter at the bottom of wall
18 carry out compaction grouting at the bottom of wall.
The groove section thickness that described step (1) is excavated is 820mm, and grooving excavation uses bentonite slurry retaining wall.
In described step (1) groove section, backfill blotter 18 thickness is that compaction grouting gluing at the bottom of 50cm, with wall is formed at the bottom of wall
Reinforcing body.
Described step (2) diaphragm wall prefabricated components 1 standard element 2 thickness is 780mm, and single-unit height is 8m, and width is 3m,
Weight 320kN.
Described step (2) diaphragm wall prefabricated components 1 non-standard structural element 3 thickness is 780mm, and single-unit height is 5m, and width is
1.5m, weight 102kN.
The vertical joint 4 of described step (3) prefabricated components 1 uses concavo-convex rectangle 7, it is ensured that the occlusion of prefabricated components.
During described step (3) vertically splicing, transverse joint 5 uses trapezoidal joggle 15, first uniform application marine glue before docking
17, use bolt 16 to carry out anchor connection after docking, bolt 16 quantity and intensity are computed determining, it is ensured that vertical joint stiffness is not
Less than component.
The vertical joint 4 of described step (4) carries out slip casting by compaction grouting pipe 11, it is ensured that the stagnant water effect of seam.
Blotter 18 compaction grouting amount at the bottom of described step (5) wall is not less than blotter volume 1.2 times.
It is pre-factory or job site that certain above-mentioned diaphragm wall grabs milling associated methods grooving and mud off, Cavity structural member
System, stacking, handling, buckle when entering groove fixes and the marine glue of joint is smeared, and these are all the general knowledge in this area,
This seldom describes.
(6) for using multi-shaft stirring or two-wheel milling stirring means to form the cement of fluidised form in underground continuous wall groove segment
During the soil body, implanting prefabricated diaphram wall body by above-mentioned (2), the assembling of (3) step, soil-cement body has water stopping function,
It is not required to carry out consolidation grouting process at seam crossing.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can
There are various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model is wanted
Protection domain is asked to be defined by appending claims and equivalent thereof.
Claims (4)
1. an assembled underground continuous wall, is characterized in that, diaphram wall is assembled by some prefabricated components, described prefabricated
Component is provided with vertical joint；Described prefabricated components are provided with transverse joint；Described prefabricated components are cavity structure；Described prefabricated components
Being made up of standard component and non-standard component, the physical dimension of standard component is modularization, and non-standard component physical dimension customizes as requested；
Having multiple vertical cavity in the middle of prefabricated prefabricated components, vertical cavity is in connecting up and down；Described prefabricated components side arranges some
Built-in connection combines with main body underground structure and forms two wall unifications.
A kind of assembled underground continuous wall the most according to claim 1, is characterized in that, described vertical joint, joint form
For joggle, joggle section is one or more mutual of concavo-convex rectangle, concavo-convex inverted trapezoidal trapezoidal, concavo-convex, concavo-convex arc
Combination.
A kind of assembled underground continuous wall the most according to claim 1, is characterized in that, described transverse joint, joint form
For misconnection or joggle, joint section be vertical misconnection, oblique misconnection, rectangle joggle, trapezoidal joggle one or more
It is mutually combined；Joint area is provided with bolt anchoring and connects.
A kind of assembled underground continuous wall the most according to claim 1, is characterized in that, the thickness of described prefabricated components is the least
In 500mm, single weight is not more than 500kN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620566775.XU CN205776157U (en) | 2016-06-13 | 2016-06-13 | Assembled underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620566775.XU CN205776157U (en) | 2016-06-13 | 2016-06-13 | Assembled underground continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205776157U true CN205776157U (en) | 2016-12-07 |
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ID=58135037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620566775.XU Active CN205776157U (en) | 2016-06-13 | 2016-06-13 | Assembled underground continuous wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083128A (en) * | 2018-09-10 | 2018-12-25 | 浙江吉通地空建筑科技有限公司 | Fashioned iron column assembled underground continuous wall with high-bearing capacity |
| CN110258576A (en) * | 2019-05-28 | 2019-09-20 | 安徽省公路桥梁工程有限公司 | The construction method of foundation pit enclosure support system |
| CN110258524A (en) * | 2019-05-28 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of assembled underground continuous wall unit and its construction method |
| CN111576661A (en) * | 2020-05-28 | 2020-08-25 | 重庆天地人建设集团有限公司 | Concrete prefabricated wall and construction process thereof |
-
2016
- 2016-06-13 CN CN201620566775.XU patent/CN205776157U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083128A (en) * | 2018-09-10 | 2018-12-25 | 浙江吉通地空建筑科技有限公司 | Fashioned iron column assembled underground continuous wall with high-bearing capacity |
| CN110258576A (en) * | 2019-05-28 | 2019-09-20 | 安徽省公路桥梁工程有限公司 | The construction method of foundation pit enclosure support system |
| CN110258524A (en) * | 2019-05-28 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of assembled underground continuous wall unit and its construction method |
| CN110258576B (en) * | 2019-05-28 | 2021-04-09 | 安徽省公路桥梁工程有限公司 | Construction method of foundation pit enclosure support system |
| CN110258524B (en) * | 2019-05-28 | 2021-06-18 | 广州穗岩土木科技股份有限公司 | Assembled underground diaphragm wall unit and construction method thereof |
| CN111576661A (en) * | 2020-05-28 | 2020-08-25 | 重庆天地人建设集团有限公司 | Concrete prefabricated wall and construction process thereof |
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| GR01 | Patent grant |