CN108643226A - A kind of Retaining Wall and construction method - Google Patents
A kind of Retaining Wall and construction method Download PDFInfo
- Publication number
- CN108643226A CN108643226A CN201810852303.4A CN201810852303A CN108643226A CN 108643226 A CN108643226 A CN 108643226A CN 201810852303 A CN201810852303 A CN 201810852303A CN 108643226 A CN108643226 A CN 108643226A
- Authority
- CN
- China
- Prior art keywords
- pile body
- link slot
- retaining wall
- connection strap
- pile
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000008595 infiltration Effects 0.000 claims abstract description 60
- 238000001764 infiltration Methods 0.000 claims abstract description 60
- 239000011083 cement mortar Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007569 slipcasting Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000537371 Fraxinus caroliniana Species 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 235000010891 Ptelea trifoliata Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
- E02D5/12—Locking forms; Edge joints; Pile crossings; Branch pieces
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Environmental & Geological Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of Retaining Wall and construction method, wherein retaining wall is mutually rabbeted by multiple prefabricated pile bodies and is formed, the pre-set infiltration lane in pile body side between adjacent is interconnected, by injecting cement mortar in stake holes to pile body and infiltration lane, and then keep retaining wall further integrated, strengthen the rigidity of retaining wall, junction between adjacent pile body is provided with sealing rubber layer, underground water can be prevented from retaining wall seepage flow, this kind can quickly be made with formula retaining wall and construction method, quick assembling, it is strong with globality, structural strength is high, advantage at low cost.
Description
Technical field
The present invention relates to fixed buildings field, especially a kind of Retaining Wall and construction method.
Background technology
For the safety of main structure construction under protecting field and foundation pit surrounding enviroment, the provisional supporting and retaining system used to foundation pit adds
Gu, protection and the measure of Groundwater Control, need a kind of easy for construction, at low cost, can realize provisional supporting and retaining system, while can also
Enough form water-stop curtain, the retaining wall of mode seepage action of ground water.
Invention content
The present invention is directed to deficiency in the prior art, provides a kind of Retaining Wall and construction method, can quickly make
At quick assembling has globality strong, the high advantage of structural strength.
To achieve the above object, the present invention uses following technical scheme:
A kind of Retaining Wall, it is characterised in that:Including several pile bodies, several pile bodies are adjacent on same perpendicular
Between be sequentially connected;
Each pile body includes the pile lining of cylinder, and the center of the pile body is hollow stake holes, the lateral surface of the pile lining
It is provided with link slot, the link slot is parallel with the axial direction of pile body, and the lateral surface of the pile lining is provided with prominent pile lining
Connection strap, the size of connection strap and the link slot of adjacent pile body match;
It is fixed with slot inner rubber layer on the inner wall of the link slot, outer rubber layer is fixed on the lateral wall of connection strap, it is described
The bottom wall of link slot is connected to stake holes by several short infiltration lanes, and roof and the stake holes of connection strap pass through several long infiltrations
Channel is connected to, and when connection is realized in the cooperation by link slot and connection strap between adjacent pile body, short infiltration lane and length are permeated
Channel corresponds connection.
To optimize above-mentioned technical proposal, the concrete measure taken further includes:
The thickness of the pile lining is equal with the radius of stake holes.
The depth of the link slot and the width ratio of link slot are 2:3, the depth of link slot and the thickness ratio of pile lining are
1:2, the width of connection strap and link slot it is of same size, the height of connection strap is identical as the depth of link slot.
The short infiltration lane and long infiltration lane are arranged along the radial direction of pile body, distance between adjacent short infiltration lane
Equal, distance is equal between adjacent long infiltration lane, and the short infiltration lane is identical with long infiltration lane diameter.
The angle of the link slot and connection strap can be 180 degree.
The angle of the link slot and connection strap can be 120 degree.
A kind of construction method of Retaining Wall, is as follows:
Step 1, prefabricated pile body is respectively set in the link slot inner surface of molding prefabricated pile body and connection strap outer surface;
Step 2, retaining wall construction line is marked at the edge of construction foundation pit, prefabricated pile is squeezed into soil layer successively along construction line
Body is mutually carved between adjacent pile body with connection strap by link slot and is connect;
When line of constructing is straight line, use the angle of link slot and connection strap for the prefabricated pile body of 180 degree;
When line of constructing is curve, use the angle of link slot and connection strap for 120 degree of prefabricated pile body;
Step 3, it is interconnected to form wall between adjacent pile body, finely tuning the position of pile body makes short infiltration lane between adjacent pile body
It is interconnected with long infiltration lane and forms infiltration pipeline;
Step 4, the high-pressure injected water mud into the stake holes of pile body, until being full of cement mortar in stake holes and infiltration pipeline;
Step 5, after cement slurry sets, the retaining wall of stable structure is formed, carries out foundation pit excacation.
Prefabricated pile body realizes the molding of hollow pile body by centrifugal process in the step 1.
Into the stake holes of pile body, high-pressure injected water mud concrete mode is in the step 4:Simultaneously to each pile body stake
The interior high-pressure injected water mud in hole, slip casting process from bottom to top, hoisting grouting pipe on one side while slip casting, and slip casting promotes speed and needs
Ensure that infiltration pipeline interior energy is filled up completely by cement mortar.
In the step 3, after being interconnected to form wall between adjacent pile body, the short infiltration lane of wall end pile body
Or it is blocked in long infiltration lane by being previously implanted cement mortar..
The advantageous effect of a kind of Retaining Wall of the present invention and construction method is:First, pile body is connected using bumps
Mode combines, and so that retaining wall is formed entirety after the high pressure water mud solidification of injection, keeps retaining wall integrated, and ensure retaining wall
Intensity.Second, the contact surface setting barrier rubber layer of link slot and connection strap can prevent underground water from retaining wall seepage flow, make
Retaining wall forms the water-stop curtain of foundation pit.Third, pile body uses prefabricated pile, easy to make, construction environment is required relatively low.
Description of the drawings
Fig. 1 is the vertical view of Retaining Wall of the present invention.
Fig. 2 is the vertical direction sectional view of Retaining Wall of the present invention.Pile body
Fig. 3 is the vertical view of pile body of the present invention.
Fig. 4 is the side view of pile body of the present invention.
Fig. 5 is the schematic diagram of the stake holes injection cement mortar of pile body of the present invention.
Reference numeral:1, pile body;2, pile lining;3, stake holes;4, link slot;5, outer rubber layer;6, long infiltration lane;7, short to ooze
Saturating channel;8, inner rubber layer;9, connection strap;10, cement mortar.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.
It should be noted that the term of such as "upper", "lower", "left", "right", "front", "rear" cited in invention, also
Only being illustrated for ease of narration, rather than to limit the scope of the invention, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
A kind of Retaining Wall as shown in Figure 1, it is characterised in that:Including several pile bodies 1, several pile bodies 1 exist
On same perpendicular it is adjacent between be sequentially connected;
Each pile body 1 includes cylindrical pile lining 2 as shown in Figure 3, and the center of the pile body 1 is hollow stake holes 3, described
The lateral surface of pile lining 2 is provided with link slot 4, and the link slot 4 is parallel with the axial direction of pile body 1, the lateral surface of the pile lining 2
It is provided with the connection strap 9 of prominent pile lining 2, the size of connection strap 9 and the link slot 4 of adjacent pile body 1 match;
It is fixed with slot inner rubber layer 8 on the inner wall of the link slot 4, outer rubber layer 5, institute are fixed on the lateral wall of connection strap 9
The bottom wall for the link slot 4 stated is connected to stake holes 3 by several short infiltration lanes 7, if the roof of connection strap 9 and stake holes 3 by
The dry long infiltration lane 6 of item is connected to, short to ooze when connection is realized in the cooperation by link slot 4 and connection strap 9 between adjacent pile body 1
Saturating channel 7 is connected to the one-to-one correspondence of long infiltration lane 6.
Rubber layer between connection strap 9 and link slot 4 can prevent underground water from retaining wall seepage flow, retaining wall is made to be formed
The water-stop curtain of foundation pit.Pile body 1 between adjacent is connected to each other to form retaining wall after, pile body 13 mesohigh of stake holes inject water
Mud 10, cement mortar 10 are flowed by the permeability hole of 1 side wall of pile body in adjacent pile body, and each pile body is linked to be one by cement mortar 10
A entirety forms the retaining wall with certain rigidity.
To optimize above-mentioned technical proposal, the concrete measure taken further includes:
In the present embodiment, the thickness of pile lining 2 is equal with the radius of stake holes 3.
Wherein, the thickness of a diameter of 800mm of pile body 1, pile lining 2 are 200mm, a diameter of 400mm of stake holes 3.
In the present embodiment, the depth of link slot 4 is 2 with the width ratio of link slot 4:3, depth and the pile lining 2 of link slot 4
Thickness ratio is 1:2, the width of connection strap 9 and of same size, the height of connection strap 9 and the depth phase of link slot 4 of link slot 4
Together.
Wherein, the depth of link slot 4 and the height of connection strap 9 are 100mm, the width and link slot 4 of connection strap 9
Width be 150mm.
In the present embodiment, short infiltration lane 7 and long infiltration lane 6 are along the radial direction setting of pile body 1, adjacent short infiltration lane
Distance is equal between 7, and distance is equal between adjacent long infiltration lane 6,6 diameter of the short infiltration lane 7 and long infiltration lane
It is identical.
As shown in Figure 2 and Figure 4,7 one end of short infiltration lane is arranged at the center of link slot 4, and one end of long infiltration lane 6 is set
It sets at the center of connection strap 9, short infiltration lane 7 and long infiltration lane 6 both pass through barrier rubber layer, ensure that short infiltration lane 7
With the sealing of 6 junction of long infiltration lane, it can prevent cement mortar 10 from leaking outside in high-pressure injected water mud 10.
In the present embodiment, link slot 4 and the angle of connection strap 9 can be 180 degree.When retaining wall is straight line, using connection
The angle of slot 4 and connection strap 9 is the prefabricated pile body 1 of 180 degree.
In the present embodiment, the angle of link slot 4 and connection strap 9 can be 120 degree.When retaining wall is curve, using connection
The angle of slot 4 and connection strap 9 is the prefabricated pile body 1 of 180 degree.
A kind of construction method of Retaining Wall, is as follows:
Step 1, prefabricated pile body 1 is respectively set in 4 inner surface of link slot of molding prefabricated pile body 1 and 9 outer surface of connection strap;
Step 2, retaining wall construction line is marked at the edge of construction foundation pit, prefabricated pile body is squeezed into soil layer successively along construction line
1, it is mutually carved between adjacent pile body 1 and is connect with connection strap 9 by link slot 4;
A uses the angle of link slot 4 and connection strap 9 for the prefabricated pile body 1 of 180 degree when line of constructing is straight line;
B uses the angle of link slot 4 and connection strap 9 for 120 degree of prefabricated pile body 1 when line of constructing is curve;
Step 3, wall is interconnected to form between adjacent pile body 1, the position of fine tuning pile body 1 makes short infiltration between adjacent pile body 1
Channel 7 and long infiltration lane 6, which are interconnected, forms infiltration pipeline;
Step 4, the high-pressure injected water mud 10 into the stake holes 3 of pile body 1, until being full of cement mortar 10 in stake holes 3 and infiltration pipeline;
Step 5, after cement mortar 10 solidifies, the retaining wall of stable structure is formed, carries out foundation pit excacation.
In the present embodiment, when squeezing into pile body successively into soil layer, link slot 4 is coated with lubrication on the contact surface of connection strap 9
The rubber layer of oil, the friction that can prevent from contacting with each other is caused to wear or be fallen off since frictional force is excessive.
In the present embodiment, prefabricated pile body 1 realizes the molding of hollow pile body by centrifugal process in step 1, original round stake
In mould, space excludes out designed pile-type region in by mould, ultimately forms required pile-type.
As shown in figure 5, into the stake holes 3 of pile body 1,10 concrete mode of high-pressure injected water mud is in step 4:Simultaneously to each
The interior high-pressure injected water mud 10 of 1 stake holes 3 of a pile body, slip casting process from bottom to top, hoisting grouting pipe, slip casting on one side while slip casting
Speed is promoted to need to ensure that infiltration pipeline interior energy is filled up completely by cement mortar 10.
In the present embodiment, 10 model of cement mortar of cement mortar 10 is injected:Use strength grade for 42.5 portland cement
It is formulated with clear water, wherein the water ash mass ratio of cement mortar 10 is 1~1.2.The grouting pressure control of cement mortar 10 is 1Mpa.
In the present embodiment, in step 3, after being interconnected to form wall between adjacent pile body 1, wall end pile body 1 it is short
It is blocked in infiltration lane 7 or long infiltration lane 6 by being previously implanted cement mortar..
Before injecting cement mortar 10, cement mortar is injected into the short infiltration lane 7 of end and long infiltration lane 6 in advance and is carried out
It blocks, after cement slurry sets, is realized by the cement of solidification and block and seal, after the completion of sealing, then carry out cement mortar 10
High pressure injection.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Range.
Claims (10)
1. a kind of Retaining Wall, it is characterised in that:Including several pile bodies(1), several pile bodies(1)Same vertical flat
On face it is adjacent between be sequentially connected;
Each pile body(1)Including cylindrical pile lining(2), the pile body(1)Center be hollow stake holes(3), described
Pile lining(2)Lateral surface be provided with link slot(4), the link slot(4)With pile body(1)Parallel, the described pile lining of axial direction
(2)Lateral surface be provided with prominent pile lining(2)Connection strap(9), connection strap(9)Size and adjacent pile body(1)Link slot
(4)It matches;
The link slot(4)Inner wall on be fixed with slot inner rubber layer(8), connection strap(9)Lateral wall on fix outer rubber
Layer(5), the link slot(4)Bottom wall and stake holes(3)Pass through several short infiltration lanes(7)Connection, connection strap(9)Top
Wall and stake holes(3)Pass through several long infiltration lanes(6)Connection, when adjacent pile body(1)Between pass through link slot(4)And connection strap
(9)Cooperation realize connection when, short infiltration lane(7)With long infiltration lane(6)Correspond connection.
2. a kind of Retaining Wall according to claim 1, it is characterised in that:The pile lining(2)Thickness and stake
Hole(3)Radius it is equal.
3. a kind of Retaining Wall according to claim 1, it is characterised in that:The link slot(4)Depth with
Link slot(4)Width ratio be 2:3, link slot(4)Depth and pile lining(2)Thickness ratio be 1:2, connection strap(9)Width
With link slot(4)Of same size, connection strap(9)Height and link slot(4)Depth it is identical.
4. a kind of Retaining Wall according to claim 1, it is characterised in that:The short infiltration lane(7)And length
Infiltration lane(6)Along pile body(1)Radial setting, adjacent short infiltration lane(7)Between distance it is equal, adjacent long infiltration lane
(6)Between equal, the described short infiltration lane of distance(7)With long infiltration lane(6)Diameter is identical.
5. a kind of Retaining Wall according to claim 1, it is characterised in that:The link slot(4)With connection strap
(9)Angle be 180 degree.
6. a kind of Retaining Wall according to claim 1, it is characterised in that:The link slot(4)With connection strap
(9)Angle be 120 degree.
7. a kind of construction method of Retaining Wall as described in claim 1, is as follows:
Step 1, prefabricated pile body(1), in molding prefabricated pile body(1)Link slot(4)Inner surface and connection strap(9)Outer surface point
It is not arranged;
Step 2, retaining wall construction line is marked at the edge of construction foundation pit, prefabricated pile body is squeezed into soil layer successively along construction line
(1), adjacent pile body(1)Between pass through link slot(4)With connection strap(9)It mutually carves and connects;
(a)When line of constructing is straight line, using link slot(4)With connection strap(9)Angle be 180 degree prefabricated pile body(1);
(b)When line of constructing is curve, using link slot(4)With connection strap(9)Angle be 120 degree prefabricated pile body(1);
Step 3, adjacent pile body(1)Between be interconnected to form wall, finely tune pile body(1)Position make adjacent pile body(1)Between
Short infiltration lane(7)With long infiltration lane(6)It is interconnected and forms infiltration pipeline;
Step 4, to pile body(1)Stake holes(3)Interior high-pressure injected water mud(10), until stake holes(3)It is full of in infiltration pipeline
Cement mortar(10);
Step 5, cement mortar(10)After solidification, the retaining wall of stable structure is formed, carries out foundation pit excacation.
8. a kind of construction method of Retaining Wall according to claim 7, it is characterised in that:In the step 1
Prefabricated pile body(1)The molding of hollow pile body is realized by centrifugal process.
9. a kind of construction method of Retaining Wall according to claim 7, it is characterised in that:In the step 4
To pile body(1)Stake holes(3)Interior high-pressure injected water mud(10)Concrete mode is:Simultaneously to each pile body(1)Stake holes(3)It is interior
High-pressure injected water mud(10), slip casting process from bottom to top, hoistings grouting pipe on one side while slip casting, and slip casting promotes speed and needs to protect
Card infiltration pipeline interior energy is by cement mortar(10)It is filled up completely.
10. a kind of construction method of Retaining Wall according to claim 7, it is characterised in that:The step 3
In, adjacent pile body(1)Between be interconnected to form wall after, wall end pile body(1)Short infiltration lane(7)Or long infiltration is led to
Road(6)It is interior to be blocked by being previously implanted cement mortar.
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CN201810852303.4A CN108643226A (en) | 2018-07-30 | 2018-07-30 | A kind of Retaining Wall and construction method |
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CN201810852303.4A CN108643226A (en) | 2018-07-30 | 2018-07-30 | A kind of Retaining Wall and construction method |
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CN106436569A (en) * | 2016-11-24 | 2017-02-22 | 宁波大学 | Prestressed bridge surface connection device and prefabrication method and construction method thereof |
CN206457812U (en) * | 2017-02-17 | 2017-09-01 | 江苏建筑职业技术学院 | Prefabricated assembled concavo-convex built pile |
CN206693266U (en) * | 2017-03-10 | 2017-12-01 | 北京四方如钢混凝土制品有限公司 | concrete pipe gallery module |
CN107974891A (en) * | 2017-10-18 | 2018-05-01 | 深圳市东深工程有限公司 | A kind of town road assembled rigid unit and its construction method |
CN108149673A (en) * | 2018-02-01 | 2018-06-12 | 刘德奇 | Concrete-pile and the continuous seepage-proofing water-sealing wall using concrete-pile splicing |
CN208618444U (en) * | 2018-07-30 | 2019-03-19 | 金陵科技学院 | A kind of Retaining Wall |
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