CN108035337B - The construction method of a kind of diaphram wall and applied to the connector in this method - Google Patents
The construction method of a kind of diaphram wall and applied to the connector in this method Download PDFInfo
- Publication number
- CN108035337B CN108035337B CN201711363123.1A CN201711363123A CN108035337B CN 108035337 B CN108035337 B CN 108035337B CN 201711363123 A CN201711363123 A CN 201711363123A CN 108035337 B CN108035337 B CN 108035337B
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- Prior art keywords
- connector
- width
- wall
- reinforcement cage
- steel reinforcement
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 230000002787 reinforcement Effects 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 3
- 239000002689 soil Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 210000000003 hoof Anatomy 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- 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
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 invention belongs to the device and method of construction engineering technical field, the construction method of the connector and diaphram wall for diaphram wall is provided.The connector is connect with U-shaped steel board bottom portion along symmetrical axis direction by U-shaped steel plate and "-" type steel plate combination, "-" type steel plate one end.The construction method of diaphram wall is that connector is arranged in two width diaphragm wall seam crossings, the connector is laterally disposed in diaphragm wall, banding steel cage side welding point "-" type end, the other side is in convex, before back panel steel reinforcement cage convex binding end is embedded in width continuous wall connector U-type groove, back panel concrete continuous wall is poured.The characteristics of one word plate joint of the connector set of invention and H profile steel connector impervious waterproof, connector one end and steel reinforcement cage weld, and keep globality, and the other end makes to increase contact area and break in steel reinforcement cage insertion U slot, enhance waterproof effect；And continuous wall construction method is simple to operation, good water-proof effect, cost relative moderate, great application and promotional value.
Description
Technical field
The present invention relates to the device and methods of construction engineering technical field, and in particular to a kind of construction party of diaphram wall
Method and applied to the connector in this method.
Background technique
Construction method of underground continuous wall mainly has: slurry → fabrication of reinforcing cage and peace are changed in construction of guide wall → trenching construction → clear bottom
Put → connector processing → casting concrete etc..Wherein diaphragm wall seam crossing construction be influence diaphragm wall water-impervious key problem in technology with
Technical problem.
Existing common diaphragm wall construction seam waterproof technology has: 1. circular joint Manifold technology；2. "-" type steel plate
Or cross-shaped steel plate technique；3. I-steel or king's word technology；4. seam crossing exterior wall rotary churning pile waterproof；5. rubber fastening band.Five is big
The feature itself and defect of class connector are as shown in table 1:
Several connector characteristic comparing tables of table 1
Summary of the invention
The present invention be directed to the above-mentioned problems in the prior art, provide a kind of diaphram wall construction method and
Applied to the connector in this method.
To achieve the above object, the technical scheme is that
In a first aspect, being used for the connector of diaphram wall
The connector is composed of U-shaped board and "-" type plate, and "-" type plate one end and U-shaped board bottom are along symmetry axis
Direction connection；
The weld width is less than diaphragm wall and designs width, remains the width of concrete cover.
The connector is arranged in two width diaphragm wall seam crossings, and the connector is laterally disposed in diaphragm wall, i.e., the described connector
Symmetry axis be along diaphragm wall transverse extension direction.
The material of the connector is steel.
The width of the remaining concrete cover is 7cm.
Second aspect, the construction method of diaphram wall
Step 1: pouring and lead wall, then excavate diaphram wall foundation trench, basialveolar length is greater than or equal to steel reinforcement cage design length
Spend the length of adjunction head.
Step 2: placing junction block in preparation spoil body position.
Step 3: the first width diaphram wall steel reinforcement cage of binding, the one or both sides medium position of the steel reinforcement cage connect
First font end, connector transfer to commitment positions with steel reinforcement cage.
Step 4: before pouring the first width diaphram wall, sand pocket is filled to pouring face or more in the U-type groove side of connector, and with connect
Head tube works together prevents concrete from streaming.
Step 5: connector retains thickness of concrete cover, casting concrete continuous walls by soil body side.
Step 6: after the second width foundation trench excavates, extracting the first width continuous wall connector pipe, excavate the soil body in preparation and place back panel
Junction block.
Step 7: the second width diaphragm wall steel reinforcement cage of binding, the steel reinforcement cage, one end is in convex, with the first width continuous wall connector
U-type groove matching, the medium position of the other end and connector "-" type end are welded；By the second width steel reinforcement cage convex binding end in insertion
Formula is put into the first width continuous wall connector U-type groove.
Step 8: before pouring the second width diaphram wall, sand pocket is filled to pouring face or more in the U-type groove side of connector, and with connect
Head tube works together prevents concrete from streaming.
Step 9: connector retains thickness of concrete cover, casting concrete continuous walls, wherein diaphragm wall and U by soil body side
Type groove contact portion pours the concrete of addition anticracking waterproof additive.
Step 10: remaining width diaphragm wall such as step 6-9 is so successively poured, until diaphram wall pours completely, finally
The binding of one width diaphragm wall steel reinforcement cage both ends convex, is put into U-shaped steel slot, pours completion.
Further, the junction block is the shape of a hoof.
Further, the connector stays the concrete cover of 7cm by soil body side.
The construction method of a kind of diaphram wall provided by the invention and applied to the connector in this method, have has as follows
Beneficial effect:
(1) connector of the invention has concentrated the advantages of "-" type plate joint waterproof and H profile steel waterproof, in previous width underground
There is steel reinforcement cage and steel plate to weld in construction of diaphragm wall, contact connector well with previous width diaphragm wall, be not in burning into sand mud and
Cause waterproof bad, and can transferring structure stress, good integrity；Steel reinforcement cage is used in latter width diaphram wall interface
It is embedded in the form of U-type groove, the characteristics of globality for having continued I-shaped steel joint completely is strong, waterproof effect, makes latter width diaphragm wall
Contacted with preceding width diaphragm wall wide, seepage flow approach is long.
(2) junction block is with concrete because not contacting directly, has solved and has pulled out the time and be difficult to grasp, be difficult to pull out, to disturbance
The problem of diaphragm wall disturbance destroys.
(3) compared with I-steel, the steel using amount of a wing plate is reduced, and the structure for combining I-steel and "-" type steel is anti-
The characteristics of water, shearing resistance, construction method is simplified, significantly reduces construction cost, and safe and reliable, excellent effect.
(4) diaphragm wall and U-type groove contact portion pour the concrete of addition anticracking waterproof additive, further to optimize
Water-stagnating effect.
(5) shape of a hoof junction block is used in work progress, is that concrete streams in order to prevent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the scheme of installation of apparatus of the present invention；
Fig. 3 is that the node construction of apparatus of the present invention completes schematic diagram；
Fig. 4 is apparatus of the present invention and steel reinforcement cage connection schematic diagram.
In figure: 1- connector；2- junction block；3- concrete continuous wall；4- fills sand pocket；5- concrete cover；6- preparation
Excavate the soil body；The concrete of 7- addition anticracking waterproof additive；8- steel reinforcement cage.
Specific embodiment
The present invention will be further described with attached drawing combined with specific embodiments below, to help the contents of the present invention are understood.
In a first aspect, being used for the connector of diaphram wall
As shown in Figs 1-4, a kind of connector 1 for diaphram wall of the invention, the connector 1 is by U-shaped board and a word
Template is composed, and "-" type plate one end is connect with U-shaped board bottom along symmetrical axis direction；1 width of connector, which is less than, to be connected
Continuous wall designs width, remains the width of concrete cover 5.The connector 1 is arranged in two width diaphragm wall seam crossings, the connector
1 is laterally disposed in diaphragm wall, i.e., the symmetry axis of the described connector 1 is along diaphragm wall transverse extension direction.The material of the connector 1
Material is steel.The width of the remaining concrete cover 5 is 7cm.The connector 1 has gathered a word plate joint and H profile steel connects
The characteristics of impervious waterproof, connector one end and steel reinforcement cage 8 weld, and keep globality, and the other end makes steel reinforcement cage 8 be embedded in U-type groove steel
It is interior, increase contact area and break, effectively plays waterproof action.
Second aspect, the construction method of diaphram wall
Step 1: pouring and lead wall, then excavate diaphram wall foundation trench, basialveolar length is greater than or equal to the design length of steel reinforcement cage 8
Spend the length of adjunction head 1.
Step 2: excavating 6 position of sound production junction block 2 of the soil body in preparation.
Step 3: the first width diaphram wall steel reinforcement cage 8 of binding, the one or both sides medium position welding of the steel reinforcement cage 8
1 "-" type end of connector, connector 1 transfer to commitment positions with steel reinforcement cage 8, as 1 device of permanent waterproof connector.
Step 4: before pouring the first width diaphram wall, sand pocket 4 is filled to pouring face or more in the U-type groove side of connector, and with
Junction block 2 works prevent concrete from streaming together.
Step 5: connector 1 retains 5 thickness of concrete cover, casting concrete continuous walls 3 by soil body side.
Step 6: after the second width foundation trench excavates, the first width continuous wall connector pipe 2 is extracted, after the placement of the soil body 6 is excavated in preparation
Width junction block 2.
Step 7: the second width diaphragm wall steel reinforcement cage 8 of binding, the steel reinforcement cage 8, one end are in convex, are connect with the first width diaphragm wall
First 1 U-type groove matching, the medium position of the other end and 1 "-" type end of connector are welded；Second width steel reinforcement cage, 8 convex is bound into end
It is put into the first width continuous wall connector 1U type groove in embedded.
Step 8: before pouring the second width diaphram wall, sand pocket 4 is filled to pouring face or more in the U-type groove side of connector 1, and with
Junction block 2 works prevent concrete from streaming together.
Step 9: connector 1 retains 5 thickness of concrete cover, casting concrete continuous walls 3, wherein diaphragm wall by soil body side
The concrete seven of addition anticracking waterproof additive is poured with U-type groove contact portion, further optimization water-stagnating effect.
Step 10: remaining width diaphragm wall such as step 6-9 is so successively poured, until buried concrete diaphragm wall 3 has poured
Whole, the binding of last 8 both ends convex of width diaphragm wall steel reinforcement cage is put into U-shaped steel slot, pours completion.
The construction method method is simple to operation, good water-proof effect, cost relative moderate, great application and promotion price
Value.
Further, the junction block 2 is the shape of a hoof.The shape of a hoof junction block is that concrete streams in order to prevent.
Further, the connector 1 stays the concrete cover 5 of 7cm by soil body side.
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
Help understands core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of inventive concept, any obvious modification, equivalent replacement or the other improvements made should be included in the present invention
Protection scope within.
Claims (7)
1. a kind of construction method of diaphram wall, characterized by the following steps:
Step 1: pouring and lead wall, then excavate diaphram wall foundation trench, basialveolar length is greater than or equal to steel reinforcement cage design length and adds
The length of connector；Wherein the connector is composed of U-shaped board and "-" type plate, "-" type plate one end and U-shaped board bottom
It is connected along symmetrical axis direction；
Step 2: placing junction block in preparation spoil body position；
Step 3: the first width diaphram wall steel reinforcement cage of binding, the one or both sides medium position welding point one of the steel reinforcement cage
Font end, connector transfer to commitment positions with steel reinforcement cage；
Step 4: before pouring the first width diaphram wall, sand pocket is filled to pouring face or more, and and junction block in the U-type groove side of connector
Working together prevents concrete from streaming；
Step 5: connector retains thickness of concrete cover, casting concrete continuous walls by soil body side；
Step 6: after the second width foundation trench excavates, extracting the first width continuous wall connector pipe, excavate the soil body in preparation and place back panel connector
Pipe；
Step 7: the second width diaphragm wall steel reinforcement cage of binding, the steel reinforcement cage, one end are in convex, the U with the first width continuous wall connector
Type groove matching, the medium position of the other end and connector "-" type end are welded；By the second width steel reinforcement cage convex binding end in embedded
It is put into the first width continuous wall connector U-type groove；
Step 8: before pouring the second width diaphram wall, sand pocket is filled to pouring face or more, and and junction block in the U-type groove side of connector
Working together prevents concrete from streaming；
Step 9: connector retains thickness of concrete cover, casting concrete continuous walls, wherein diaphragm wall and U-type groove by soil body side
Contact portion pours the concrete of addition anticracking waterproof additive；
Step 10: remaining width diaphragm wall such as step 6-9 is so successively poured, until diaphram wall pours completely, last width
The binding of diaphragm wall steel reinforcement cage both ends convex, is put into U-shaped steel slot, pours completion.
2. the construction method of diaphram wall according to claim 1, it is characterised in that: the junction block is the shape of a hoof.
3. the construction method of diaphram wall according to claim 1 or 2, it is characterised in that: the connector leans on soil body side
Stay the concrete cover of 7 cm.
4. the connector in a kind of construction method applied to the diaphram wall in claim 1, it is characterised in that: the connector
Width is less than diaphragm wall and designs width, remains the width of concrete cover.
5. connector according to claim 4, it is characterised in that: connector setting is described in two width diaphragm wall seam crossings
Connector is laterally disposed in diaphragm wall, i.e., the symmetry axis of the described connector is along diaphragm wall transverse extension direction.
6. connector according to claim 5, it is characterised in that: the material of the connector is steel.
7. connector according to claim 6, it is characterised in that: the width of the connector 7 cm small compared with the width of diaphragm wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363123.1A CN108035337B (en) | 2017-12-18 | 2017-12-18 | The construction method of a kind of diaphram wall and applied to the connector in this method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363123.1A CN108035337B (en) | 2017-12-18 | 2017-12-18 | The construction method of a kind of diaphram wall and applied to the connector in this method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035337A CN108035337A (en) | 2018-05-15 |
| CN108035337B true CN108035337B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711363123.1A Expired - Fee Related CN108035337B (en) | 2017-12-18 | 2017-12-18 | The construction method of a kind of diaphram wall and applied to the connector in this method |
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| Country | Link |
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| CN (1) | CN108035337B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528502A (en) * | 2018-05-23 | 2019-12-03 | 中铁七局集团西安铁路工程有限公司 | A kind of anti-construction method streamed of diaphram wall H-type connector |
| CN109537574B (en) * | 2018-11-23 | 2021-03-23 | 福建建中建设科技有限责任公司 | Construction process of underground continuous wall in extremely hard rock |
| CN110055952B (en) * | 2019-03-14 | 2024-06-14 | 宁波市轨道交通集团有限公司 | Underground diaphragm wall joint structure and construction method thereof |
| CN112392029A (en) * | 2020-11-20 | 2021-02-23 | 武汉盛士瑞建设工程有限公司 | Underground continuous wall and green construction process thereof |
| CN114197490A (en) * | 2022-01-07 | 2022-03-18 | 中铁二局集团有限公司 | Cross continuous wall and construction method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3725926B2 (en) * | 1995-12-28 | 2005-12-14 | ダウ化工株式会社 | Underground wall drainage panel and drainage structure inside the underground wall |
| CN201288341Y (en) * | 2008-10-15 | 2009-08-12 | 广东省建筑工程集团有限公司 | Underground continuous wall joint |
| CN102535519A (en) * | 2012-03-20 | 2012-07-04 | 广州中煤江南基础工程公司 | I-shaped steel joint structure for underground continuous wall and construction method for I-shaped steel joint structure |
| CN202577363U (en) * | 2012-03-20 | 2012-12-05 | 广州中煤江南基础工程公司 | H-shaped steel joint structure of underground diaphragm wall |
| CN203334322U (en) * | 2013-07-15 | 2013-12-11 | 中国建筑第二工程局有限公司 | Underground continuous wall seepage-proofing and grout-stopping device |
| CN204456070U (en) * | 2014-12-24 | 2015-07-08 | 广州机施建设集团有限公司 | Diaphragm wall shutoff stopping means |
| CN105672250B (en) * | 2016-01-20 | 2017-06-09 | 中铁隆工程集团有限公司 | A kind of diaphram wall and underwater concrete tongue and groove bindiny mechanism and construction method |
| CN106013086A (en) * | 2016-06-23 | 2016-10-12 | 程华清 | Construction method for processing underground continuous wall joint through boss type I-steel joint box |
| CN106381866A (en) * | 2016-08-31 | 2017-02-08 | 中铁二局工程有限公司 | Construction method of ultra-deep underground diaphragm wall in water-rich soft-soil area |
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2017
- 2017-12-18 CN CN201711363123.1A patent/CN108035337B/en not_active Expired - Fee Related
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| CN108035337A (en) | 2018-05-15 |
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