CN106836189A - Stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls - Google Patents
Stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls Download PDFInfo
- Publication number
- CN106836189A CN106836189A CN201710210246.5A CN201710210246A CN106836189A CN 106836189 A CN106836189 A CN 106836189A CN 201710210246 A CN201710210246 A CN 201710210246A CN 106836189 A CN106836189 A CN 106836189A
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- China
- Prior art keywords
- wall
- cell wall
- fender pile
- grooving
- bucket
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Classifications
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- 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
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
Abstract
The step of ground-connecting-wall being formed the invention discloses one kind stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls, including ground-connecting-wall slotted eye and concreting, wherein, include the step of grooving is rectified a deviation in slotted eye construction：Using mixing pile cell wall fender pile is formed in stream plastic state Muddy Bottoms burning into sand stratum ground-connecting-wall both sides；When trenching construction is carried out to the inclined groove section of the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture, inside and outside correction is carried out using digging machine auxiliary chute forming machine, so that the grab bucket of chute forming machine enters in vertical aperture, side deburring grooving；Wherein, it is, by digging machine pushing tow grab bucket top, to make the relative grab bucket top counter motion in grab bucket bottom using being rectified a deviation inside and outside digging machine auxiliary chute forming machine, inclined cell wall fender pile is promoted will pass through grab bucket, by inclined cell wall fender pile righting.The method of the present invention, fast and effectively rectifies a deviation during ground-connecting-wall grooving, it is ensured that the perpendicularity of slotted eye, effectively prevents ground-connecting-wall leakage scenarios from occurring, and shortens the construction period.
Description
Technical field
The present invention relates to Hydraulic and Hydro-Power Engineering field, more particularly to a kind of stream plastic state Muddy Bottoms burning into sand stratum ground-connecting-wall construction
Method.
Background technology
With the fast development of domestic water conservancy construction of hydropower plant, process range, depth, earth formation present complicate,
Diversification.In the prior art, it is being that the projects for flowing plastic state Muddy Bottoms burning into sand stratum carry out ground-connecting-wall construction to geological conditions
When, in order to ensure the stability of cell wall, make it is unlikely during ground-connecting-wall grooving cave in, often stirred using three axles in ground-connecting-wall both sides
Cell wall fender pile is made in stake.
But, due to the influence of many factors such as geological conditions, part cell wall fender pile can be caused to incline, therefore seriously occupy
Ground-connecting-wall is constructed axis so that hydraulic grooving machine easily deflection during grooving.Because the steel reinforcement cage of ground-connecting-wall is once to enter
Groove is divided into, and slotted eye slightly deflection not only results in steel reinforcement cage and cannot smoothly divide into, and ground-connecting-wall occupies adjacent after also causing to excavate
Other used space, therefore, the perpendicularity of slotted eye is must assure that during grooving, otherwise once above-mentioned situation occurs, meeting
Have a strong impact on construction speed.
The content of the invention
The purpose of the present invention is exactly the problem in order to overcome above-mentioned prior art to exist, there is provided one kind stream plastic state Muddy Bottoms folder
Flooding in Borehole construction method for diaphragm walls, fast and effectively rectifies a deviation, it is ensured that the perpendicularity of grooving slotted eye, effectively during groove section grooving
Prevent ground-connecting-wall leakage scenarios from occurring, shorten the construction period.
In order to realize above-mentioned purpose of the invention, stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls bag of the invention
Include：
Convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction, to form ground-connecting-wall slotted eye；
Steel reinforcement cage decentralization and concrete pouring construction are carried out in slotted eye, to form ground-connecting-wall；
Wherein, the step of being rectified a deviation including grooving during convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction, institute
Stating step includes：
Using mixing pile stream plastic state Muddy Bottoms burning into sand stratum ground-connecting-wall both sides formed cell wall fender pile, so as to ground-connecting-wall into
Groove will not cave in when constructing；
It is auxiliary using digging machine when trenching construction is carried out to the inclined groove section of the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture
Furtherance scouring machine carries out inside and outside correction, so that the grab bucket of chute forming machine enters in vertical aperture, side deburring grooving；
Wherein, it is described to carry out inside and outside correction using digging machine auxiliary chute forming machine, refer to, by digging machine pushing tow grab bucket top, to make to grab
The relative grab bucket top counter motion in bucket bottom, so that inclined skip body is by righting.
Wherein, the inclined skip body is comprised the following steps by righting：
The grab bucket bottom of chute forming machine is placed in the aperture of slotted eye；
Digging machine reversely promotes chute forming machine to grab bucket according to cell wall fender pile incline direction, so as to using digging machine as the first supporter pushing tow
Grab bucket top；
During pushing tow grab bucket top, chute forming machine is opened where the second cell wall fender pile of inclined first cell wall fender pile offside
The lower correction plate of side, and using the cell wall of the second cell wall fender pile as the second supporter pushing tow grab bucket bottom, so as to bottom phase of grabbing bucket
To grab bucket top counter motion；
When skip body bottom is with respect to the counter motion of skip body top, chute forming machine work, skip body will be inclined
The inclined surface of cell wall fender pile is grabbed except forming vertical surface, make inclined skip body by righting wherein, the digging machine is according to cell wall
Fender pile incline direction reversely promotes chute forming machine to grab bucket to be included：
If cell wall fender pile is inclined laterally, outwardly, the inner side of the inclined cell wall fender pile in side pushes away digging machine towards lateral direction
Move the top of the grab bucket；
If cell wall fender pile is inwardly rolled tiltedly, digging machine is pushed away in the outside of inwards inclined cell wall fender pile towards inner side direction
Move the top of the grab bucket.
Wherein, the grooving correction also comprises the following steps：
To both sides it is soft or hard differ, side correction plate there is no supporter and can not rectify a deviation groove section carry out trenching construction when,
Brill brill is drawn pilot hole using hand, then a method trenching construction grabbed is bored using two.
Preferably, when boring the method trenching construction that grabs using two, the perpendicularity for boring the pilot hole for drawing is ensured with hand
The perpendicularity of grooving cell wall.
Wherein, the grooving correction also comprises the following steps：
When and groove section that can not rectify a deviation big to cell wall fender pile hardness carries out trenching construction, using crawler crane by special correction
Plate is hung in slotted eye, to coordinate chute forming machine to rectify a deviation by force.
Wherein, the grooving correction also comprises the following steps：
When the groove section of small, the vertical grooving that do not influence to grab bucket on cell wall fender pile tilt quantity carries out trenching construction, using configuration
Automatic deviational survey deviation-rectifying system on chute forming machine carries out left and right deviational survey correction to groove section, so as to the deburring grooving of chute forming machine side.
Further, using the chute forming machine grab chute forming, including using the first bucket tooth pair on skip body
The step of Muddy Bottoms burning into sand stratum carries out trenching construction.
Further, after the phase groove groove section of ground-connecting-wall is formed using first bucket tooth, also using installed in grabbing
Bucket tooth component on bucket bucket body displaces the first bucket tooth, the step of so as to the filler for removing I-shaped steel joint side wall.
Further, after the filler for removing I-shaped steel joint side wall, also using on skip body
The step of terminal bruss carries out brush wall and cleans to I-shaped steel joint side wall.
Beneficial effects of the present invention embody in the following areas：
1st, the method for the present invention, for stream plastic state Muddy Bottoms burning into sand stratum geological conditions the characteristics of, it is inclined to cell wall fender pile
The different groove section of oblique degree is rectified a deviation using different methods successively, it is ensured that during groove section grooving, because cell wall fender pile is inclined
The situation that the grooving perpendicularity for tiltedly causing is glanced off can fast and effectively be rectified a deviation, it is ensured that grooving perpendicularity.
2nd, the method for the present invention, applies grooving is carried out to the inclined groove section of the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture
In man-hour, carry out inside and outside correction using digging machine auxiliary chute forming machine so that inclined skip body is by righting, it is ensured that grooving perpendicularity,
Effectively improve trenching construction progress.
3rd, the method for the present invention, to both sides it is soft or hard differ, side correction plate there is no supporter and can not rectify a deviation groove section
When carrying out trenching construction, brill brill is drawn pilot hole using hand, then a method trenching construction grabbed is bored using two, it is ensured that grooving is vertical
Degree, effectively improves trenching construction progress.
4th, the method for the present invention, when the groove section that can not be rectified a deviation greatly to cell wall fender pile hardness carries out trenching construction, utilizes
Crawler crane hangs in slotted eye special correction plate, to coordinate chute forming machine to rectify a deviation by force, it is ensured that grooving perpendicularity, effectively improves into
Groove construction speed.
5th, the method for the present invention, carries out terminal bruss terminal bruss and washes construction on the skip body of chute forming machine, compares
For traditional jointing is scrubbed, the lateral pressure scrubbed at terminal bruss abutment joint can be increased, improve joint washing effect, it is ensured that seam
Quality of connection between place's adjacent slot section, effectively prevents ground-connecting-wall leakage scenarios from occurring.
6th, the method for the present invention, terminal bruss is directly installed in the grab bucket of chute forming machine, can be connect after the completion of grooving
Head scrubs construction, reduces the use of other equipment allocating time and crane, loading machine etc., saves equipment leasing and operation
Expense, saves and shortens the construction period.
7th, the method for the present invention, installs bucket tooth component on a skip body of chute forming machine, and its crotch tooth can be stretched into
To the inside grooves of ground-connecting-wall I-shaped steel joint, the filler inside I-shaped steel joint will be filled in and grab broken so that be follow-up to work
Word steel joint can completely scrub clean filler when being scrubbed, and be easy to the groove construction of ground-connecting-wall second phase and steel reinforcement cage to divide into,
And due to filler will not be retained at ground-connecting-wall I-shaped steel joint, so that joint is not in Seepage, improve engineering
Quality, shortens the construction period, has good reference to sundry item, and promotion prospect is wide.
Brief description of the drawings
Fig. 1 is the structural representation (not shown digging machine and the bucket body of grab bucket) when digging machine machine aided of the invention is rectified a deviation；
Fig. 2 is the structural representation carried out using special correction plate when auxiliary is rectified a deviation of the invention；
Fig. 3 is the flow chart of stream plastic state Muddy Bottoms burning into sand stratum grooving method for correcting error of the invention；
Fig. 4 is partial structural diagram of the terminal bruss of the first structure of the invention on chute forming machine；
Fig. 5 is the front view of the terminal bruss of the first structure of the invention；
Fig. 6 is the right view of terminal bruss shown in Fig. 5；
Fig. 7 is the front view of the terminal bruss of second structure of the invention；
Fig. 8 is the right view of terminal bruss shown in Fig. 7；
Fig. 9 is the top view of terminal bruss shown in Fig. 7；
Figure 10 is the structural representation that bucket tooth component is arranged on chute forming machine skip body；
Figure 11 is the ground-connecting-wall one of present invention treatment, the sectional drawing of the second stage of groove section；
Figure 12 is the flow chart of the brush wall method that the present invention is used；
Figure 13 is the overall width schematic diagram using multiple curved hooks in the present invention.
Specific embodiment
The present invention provides a kind of stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls, including：
Convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction, to form ground-connecting-wall slotted eye；
Steel reinforcement cage decentralization and concrete pouring construction are carried out in slotted eye, to form ground-connecting-wall；
Wherein, the step of being rectified a deviation including grooving during convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction, step
Suddenly include：
Using mixing pile stream plastic state Muddy Bottoms burning into sand stratum ground-connecting-wall both sides formed cell wall fender pile, so as to ground-connecting-wall into
Groove will not cave in when constructing；
It is auxiliary using digging machine when trenching construction is carried out to the inclined groove section of the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture
Furtherance scouring machine carries out inside and outside correction, so that the grab bucket of chute forming machine enters in vertical aperture, side deburring grooving；
Wherein, inside and outside correction is carried out using digging machine auxiliary chute forming machine, refers to be grabbed bucket top by digging machine pushing tow, under making grab bucket
The relative grab bucket top counter motion in portion, so that inclined skip body is by righting.
The method of the present invention, solve carries out the process of ground-connecting-wall trenching construction on convection current plastic state Muddy Bottoms burning into sand stratum
In, when lagging pile is inclined and occupies ground-connecting-wall construction axis so that the problem that the slotted eye of grooving is glanced off.
Wherein, Muddy Bottoms burning into sand stratum of the invention refers to compressibility high, low intensity, is also easy to produce wriggling, country rock without from surely
The stratum of ability.
Specifically, as shown in figure 3, the present invention is adopted during convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction
Grooving method for correcting error comprises the following steps：
S1, three axes agitating pile be implanted into respectively in the both sides of stream plastic state Muddy Bottoms burning into sand stratum ground-connecting-wall form cell wall fender pile,
So that in ground-connecting-wall trenching construction, the cell wall of ground-connecting-wall both sides will not cave in.
S2, formed cell wall fender pile after, carry out ground-connecting-wall trenching construction using chute forming machine.
Wherein, automatic deviational survey deviation-rectifying system is configured with ground-connecting-wall chute forming machine of the invention, the system is to ensure that grooving is hung down
The key of straight degree, needs to observe at any time the vertical degrees of data shown by the system, and be adjusted at any time during grooving.It is excellent
Choosing, chute forming machine can be using hydraulic grooving machine (as gold Thailand SG46 and SG40 hydraulic grooving machines), and the maximum of chute forming machine is into groove depth
Degree is up to 75m.In chute forming machine work progress, according to the difference of cell wall fender pile inclined degree, different correction sides can be used
Formula, it is specific as follows.
S21, groove section small for lagging pile deflection, not influenceing the vertical grooving of chute forming machine, it is possible to use chute forming machine itself
Deviational survey deviation-rectifying system carry out inside and outside deviational survey correction, repaiied when grabbing.
Wherein, for " inner side, outside " herein is position of the skip body with respect to the slotted eye that chute forming machine grooving is formed
, inner side refers near the side of chute forming machine, and outside refers to the side away from chute forming machine.
When the groove section to cell wall fender pile tilt quantity less (that is, occupying ground-connecting-wall center line little) carries out trenching construction,
Due to cell wall fender pile tilt quantity less, the vertical grooving of chute forming machine is not influenceed, therefore, merely with automatic survey of the configuration on chute forming machine
The groove section that oblique deviation-rectifying system treats grooving rectified a deviation along the inside and outside deviational survey of depth direction so that the deburring of chute forming machine side into
Groove.
S22, when trenching construction is carried out to the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture inclined groove section, using digging
Machine auxiliary chute forming machine carries out inside and outside correction, so that the bucket body of chute forming machine grab bucket enters in vertical aperture, side deburring grooving.
When the cell wall fender pile of part groove section just has deflection in the range of 5m below aperture, skip body enters groove section will
Glanced off along cell wall fender pile, because the grab bucket of now chute forming machine is not also completely into slotted eye, configured on chute forming machine
The top of automatic deviational survey deviation-rectifying system rectify a deviation plate also outside slotted eye, effect to the correction of skip body, and groove cannot be played
The hardness of wall fender pile is strong, and the bottom correction plate on the downside of grab bucket cannot rectify a deviation to cell wall fender pile, so that the groove for being formed
Hole deflection, perpendicularity are undesirable, therefore, in order that the slotted eye perpendicularity of grooving meets the requirements, the present invention is auxiliary using digging machine
The method of the inside and outside correction of furtherance scouring machine is rectified a deviation to skip body.
Wherein, refer to, by digging machine pushing tow skip body top, grab bucket is struggled against using being rectified a deviation inside and outside digging machine auxiliary chute forming machine
Body bottom is specific to wrap by inclined skip body righting will pass through the effect of pushing tow with respect to the counter motion of skip body top
Include following steps：
The grab bucket of S221, decentralization chute forming machine, makes the bottom of grab bucket be located in the aperture of slotted eye, and the top of grab bucket is located at aperture
Outward.
S222, digging machine is placed near slotted eye, digging machine work and according to the incline direction reverse push of inclined cell wall fender pile
The top of dynamic chute forming machine grab bucket, to be grabbed bucket top as the first supporter pushing tow using digging machine.
Wherein, digging machine reversely promotes chute forming machine to grab bucket and includes according to cell wall fender pile incline direction：
If cell wall fender pile is inclined laterally, outwardly, the inner side of the inclined cell wall fender pile in side pushes away digging machine towards lateral direction
Move the top of the grab bucket；
If cell wall fender pile is inwardly rolled tiltedly, digging machine is pushed away in the outside of inwards inclined cell wall fender pile towards inner side direction
Move the top of the grab bucket.
When S223, digging machine pushing tow grab bucket top, chute forming machine opens the second groove positioned at inclined first cell wall fender pile offside
The lower correction plate of side where wall fender pile, after lower correction plate stretches out, the cell wall conduct of the side channel wall fender pile (i.e. the second cell wall fender pile)
Second supporter gives grab bucket jacking force of the bottom to allocinesi so that the relative grab bucket top counter motion in grab bucket bottom.
S224, when skip body bottom with respect to the counter motion of skip body top when, chute forming machine work, in digging machine, first
In the presence of supporter, the second supporter, upper correction plate and lower correction plate, the inclination using skip body to inclination cell wall fender pile
Part grab removing, to form the satisfactory groove of perpendicularity between primary dip cell wall fender pile and the cell wall fender pile of its offside
Hole, so that into the skip body between slotted eye also by righting.
S225, after inclined skip body is by righting, by configuring the automatic deviational survey deviation-rectifying system on chute forming machine
With the bucket body for entering the grab bucket in slotted eye, the construction of side deburring grooving is carried out to groove section.
Below, so that slotted eye is inclined laterally as an example, digging machine of the invention auxiliary method for correcting error is illustrated.
As shown in Figure 1, it is assumed that positioned at inner side be the first cell wall fender pile 16, it is the second cell wall fender pile 13 positioned at outside,
Surround the inclined slotted eye 14 in side outwardly between the two, sloping portion 4 as shown in dash area in Fig. 1, grab bucket 1 inside and outside both sides
Be respectively provided with top correction plate 17 and bottom correction plate 14, the bottom of grab bucket 1 into notch hole, top expose to outside slotted eye,
In order to be rectified a deviation to inclined first cell wall fender pile 16, chute forming machine opens a pair of bottoms correction for being located at 1 outer lower portion of grab bucket
Plate 14, make outside the second cell wall fender pile 13 inwall to grab bucket one to inner side thrust (in thrust direction such as Fig. 2 on the right side of arrow
Shown in head direction), outside positioned at a pair of tops correction plate 17 of grab bucket inside upper part also in slotted eye, therefore, it is impossible to according to
Inwall by the first cell wall fender pile 16 aids in bottom correction plate to be entangled as supporter to one thrust laterally of grab bucket
Inclined operation, therefore the top that the present invention grabs bucket by digging machine as supporter pushing tow, give grab bucket one jacking force (thrust laterally
Direction is as shown in left arrow direction in Fig. 2), so as to bottom rectify a deviation plate collective effect, leg portion is rectified a deviation so that
Make inclined first cell wall fender pile 16 inclined surface grabbed except and form vertical surface so that skip body can by righting,
Then groove is accomplished when grabbing using chute forming machine itself deviational survey deviation-rectifying system.
S23, to both sides it is soft or hard differ, side correction plate there is no supporter and can not rectify a deviation groove section carry out trenching construction
When, brill brill is drawn pilot hole using hand, then a method trenching construction grabbed is bored using two.
Indivedual groove sections are different because of the soft or hard degree of both sides cell wall fender pile, though can be stretched out positioned at softer side cell wall fender pile
There is no supporter to play correction to act on, when running into of this sort situation, rig is drawn pilot hole using hand, then using two
Bore a mode trenching construction grabbed.The key of the construction method be ensured with the perpendicularity of bullport grooving cell wall it is vertical
Degree, so must assure that rig draws the perpendicularity in hole in work progress.Rig is drawn in order to ensure hand the perpendicularity in hole, and to boring
Power traction hole takes following safeguard measure：
1. the tipped drill for boring is changed to forsner bit by hand, pilot hole is drawn to be bored using forsner bit, reduce hole scattering, two
Person is bored and is more uniformly stressed by comparative analysis, the latter's platform, is difficult deflection.
2. 1m guide cylinders long are added in drill bit afterbody in order to reduce side-play amount in drilling, to increase guide effect, is subtracted
Side-play amount when creeping into less.
S24, when and groove section that can not rectify a deviation big to cell wall fender pile hardness carries out trenching construction, will be special using crawler crane
Correction plate is hung in slotted eye, to coordinate chute forming machine to rectify a deviation by force, grooving.
Inclined when the cell wall fender pile of indivedual grooves section and when the hardness of cell wall fender pile cannot rectify a deviation very much firmly, present invention making
Special correction plate (the correction plate can be made of steel plate), the correction plate then be close to be located at using crawler crane and steel wire rope
The position with the position level that need to rectify a deviation is set under the inwall of the cell wall fender pile of inclined cell wall fender pile offside, then coordinates hydraulic grooving
Machine is rectified a deviation by force.
Such as, as shown in Fig. 2 when being glanced off near E points on the outside of ground-connecting-wall, i.e., positioned at the second cell wall fender pile in outside
17 near E points when glancing off, the present invention can using manufactured size as 12m it is long × 2.1m is wide × 30mm thick steel plate is used as special
Correction plate 20, and the special correction plate 20 is lifted on the suspension hook of crawler crane 18 of 160t by steel wire rope 19, then utilize
Crawler crane 18 divides into the inwall that the special correction plate 20 is close to the first cell wall fender pile 16, until the base of special correction plate 20 is arrived
Up to the position with the deflection point E point flushes of the second cell wall fender pile 17.Then, the grab bucket of hydraulic grooving machine is along the special correction
Plate 20 transfers (not shown), makes to be close on the outside of ground-connecting-wall on the outside of grab bucket (i.e. in the second cell wall fender pile 17 in decentralization process
Side), encounter the steel wire rope 19 for hanging special correction plate 20 and special correction plate 20, after grab bucket in place, hydraulic pressure to avoid grabbing bucket
Chute forming machine opens the deviational survey deviation-rectifying system of itself, make the correction plate of chute forming machine deviational survey deviation-rectifying system with crawler crane 18 transfer it is special
Correction plate 20 is rectified a deviation by force for supporting body, with the carrying out of correction, special correction plate 20 is transferred slowly using crawler crane 18, until
Untill the perpendicularity of groove section meets required precision.Finally, using chute forming machine and the deviational survey deviation-rectifying system side deburring grooving for carrying.
The present invention is rectified a deviation during convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction using above-mentioned grooving
Method can obtain following beneficial effect：
1st, for the geological conditions on stream plastic state Muddy Bottoms burning into sand stratum the characteristics of, the groove different to cell wall fender pile deflection
Duan Yici is rectified a deviation using different methods, it is ensured that what the grooving perpendicularity caused due to cell wall fender pile deflection was glanced off
Situation can fast and effectively be rectified a deviation, it is ensured that grooving perpendicularity.
2nd, the method for the present invention, applies grooving is carried out to the inclined groove section of the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture
In man-hour, carry out inside and outside correction using digging machine auxiliary chute forming machine so that inclined skip body is by righting, it is ensured that grooving perpendicularity,
Effectively improve trenching construction progress.
3rd, to both sides it is soft or hard differ, side correction plate there is no supporter and can not rectify a deviation groove section carry out trenching construction
When, brill brill is drawn pilot hole using hand, then a method trenching construction grabbed is bored using two, it is ensured that grooving perpendicularity, effectively improve
Trenching construction progress.
4th, when the groove section that can not be rectified a deviation greatly to cell wall fender pile hardness carries out trenching construction, entangled special using crawler crane
Inclined plate is hung in slotted eye, to coordinate chute forming machine to rectify a deviation by force, it is ensured that grooving perpendicularity, effectively improves trenching construction progress.
And the present invention is during trenching construction, except being rectified a deviation using above-mentioned method for correcting error, also using as follows
Step carries out grooving and is scrubbed with clear wall：
Trenching construction is carried out to Muddy Bottoms burning into sand stratum using the first bucket tooth on skip body, to form ground
Connect a phase groove slotted eye of wall；
After forming the phase groove groove section of ground-connecting-wall, the first bucket is displaced using the bucket tooth component on skip body
Tooth, the filler to remove I-shaped steel joint side wall；
Brush wall is carried out to I-shaped steel joint side wall after filler is removed, using the terminal bruss on skip body clear
Wash.
Specifically, as shown in figure 12, to Muddy Bottoms burning into sand stratum ground-connecting-wall slotted eye borehole cleaning after the correction provided for the present invention
Before carry out the flow chart of clear wall scrub, as shown in Figure 12, grooving of the invention includes with clear wall scrub methods：
The first bucket tooth is installed on the one or both sides (i.e. front side and/or rear side) of the skip body of chute forming machine, with facility
Trenching construction is carried out to Muddy Bottoms burning into sand stratum with the first bucket tooth, a phase groove slotted eye 11 of ground-connecting-wall is formed；
After a phase groove slotted eye 11 is formed, by I-steel with being set under steel reinforcement cage in a phase groove slotted eye 11, to be formed
I-shaped steel joint 10, and I-shaped steel joint 10 side towards a phase groove；Filler is filled out in the opposite side of I-shaped steel joint 10
8, and concrete is poured into the slotted eye of a phase groove, form the phase groove groove section of ground-connecting-wall；
After forming the phase groove groove section of ground-connecting-wall, using the bucket tooth for removing the opposite side filler 8 of I-shaped steel joint 10
Component displaces the first bucket tooth on one skip body of chute forming machine, and chute forming machine is clear by the bucket tooth component installed on skip body
Except the filler 8 of the opposite side of I-shaped steel joint 10, and formed on the Muddy Bottoms burning into sand stratum for being close to the opposite side of I-shaped steel joint 10
The second stage of groove slotted eye 9 of ground-connecting-wall；
After forming the second stage of groove slotted eye 9, bucket will be arranged on for scrubbing the terminal bruss of the opposite side filler 8 of I-shaped steel joint 10
On the skip body of tooth assembly side, chute forming machine is by the terminal bruss on its skip body to I-shaped steel joint 10
Opposite side carry out brush wall cleaning.
Wherein, as shown in figure 4, for the present invention use for forming slotted eye and the device of brush wall cleaning being carried out to slotted eye,
The device includes：Chute forming machine, with a pair of skip bodies；On a skip body 1 in a pair of skip bodies
One bucket tooth 2；The first bucket tooth on another skip body 3 or bucket tooth component in a pair of skip bodies is (such as Figure 10 institutes
Show)；For a pair of joint brush 6 scrubbed to ground-connecting-wall seam crossing；For any one terminal bruss 6 to be removably mounted at into
Steel brush coupling assembly on scouring machine any one skip body 3；Wherein, terminal bruss 6 is located at the top of the first bucket tooth or bucket tooth component.
Wherein, as shown in Fig. 5-Fig. 9, terminal bruss of the invention 6 can use following structure, including：Brush holder 61；Its one end
The wire brush 63 being fixed on brush holder 61；Wherein, through hole 64 or screwed hole are directly opened up on brush holder 61.
Or, in order to improve the bonding strength between terminal bruss 6 and skip body, terminal bruss of the invention 6 can also be adopted
Following structure is used, including：Brush holder 61；The wire brush 63 that its one end is fixed on brush holder 63；Connecting plate on brush holder 61
62；Wherein, through hole 64 or screwed hole are opened up on connecting plate 62.
Wherein, terminal bruss of the invention is removably mounted at chute forming machine any one skip body 3 by steel brush coupling assembly
Outside, the steel brush coupling assembly can use screw bolt and nut, it would however also be possible to employ pin.Accordingly, chute forming machine any one
Opened up on the outside of skip body for terminal bruss 6 on through hole 64 through hole 41 or screwed hole that match.
Wherein, the brush holder 61 of inventive joint brush 6 can be curved arc (as shown in figs. 7 to 9), wire brush
Arcuately plate radial direction extends outwardly 63 bristle, and is closed using connecting plate 62 at the opening of arc, and connecting plate 62
Arc is stretched out in, and through hole 64 is opened up on the part for stretch out in arc.Or, brush holder 61 can also be rectangle
Rectangular slab (as shown in Figure 5, Figure 6), bristle one end of wire brush 63 is fixedly mounted on rectangular slab, and the other end is towards extension
Stretch, it is preferred that the hog frame for strengthening connection with skip body is installed on the top of rectangular slab, hog frame can use three
Angular plate is made.
Wherein, the present invention installs the first bucket tooth 2 in a pair of skip bodies of chute forming machine on a right side for skip body 1,
First bucket tooth can be installed in another left side of skip body 3, it is also possible to displace the first bucket tooth with bucket tooth component.Such as Figure 10 institutes
Show, bucket tooth component of the invention can use following structure, including：Installed in the skip body left side in the left side of chute forming machine
The second bucket tooth 5；Installed in the crotch tooth 7 of the filler for removing cut-pff wall seam crossing in the left side of the second bucket tooth 5.
Specifically, as shown in Figure 10, first bucket tooth 2 of the present embodiment is common bucket tooth, can be using the bucket of prior art
The structure of tooth, bucket tooth component includes the second bucket tooth 5 and the crotch tooth 7 installed in the left side of the second bucket tooth 5, and the second bucket tooth 5 is also general
Logical bucket tooth, can use and the first bucket tooth identical structure.Crotch tooth 7 has horizontal segment and vertical section, horizontal segment and vertical section
The inner of vertically connection, and horizontal segment is fixedly connected with the outside of the second bucket tooth 5, it is preferred that the inner of horizontal segment is struggled against with second
Tooth 5 is linked together by way of welding.
Wherein, the crotch tooth 7 of the present embodiment can be formed by steel plate bending, such as weld 30mm* in the outside of the second bucket tooth 5
The steel plate of 150mm*150mm, then steel plate bottom is bent into hook solid, or, it is fabricated to crotch tooth using steel plate, then by crotch
The outside of the second bucket tooth 5 is welded on the inside of tooth.During design, the width and the I-steel of pending treatment that should make crotch tooth 7 connect
The width of head is adapted, and so that when chute forming machine works, crotch tooth can be stretched into the groove of I-shaped steel joint dorsal part, and grabs broken
Filler inside I-shaped steel joint back side grooves.
Wherein, the second bucket tooth 5 is connected with corresponding another left side of skip body 3 using dismountable bucket tooth coupling assembly
Together.During design, skip body through hole (not shown) is set in described another left side of skip body 3, and second
Bucket tooth 5 for the right side that is connected with skip body 3 sets bucket tooth through hole (not shown), then, group is connected by bucket tooth
Be fixed on second bucket tooth 5 on another skip body 3 by part.Or, to ensure the connection between the bucket tooth of skip body 3 and second
Intensity, in the several skip body connecting plates of the left side of skip body 3 fixation, skip body is opened up on the connecting plate of skip body 3 and is led to
Hole, bucket tooth connecting plate is fixed in the right side edge of the second bucket tooth 5, bucket tooth through hole is opened up on bucket tooth connecting plate, then, by bucket tooth
Be fixed on second bucket tooth 5 on skip body 3 by coupling assembly.And the bucket tooth coupling assembly that both link together can be used
Screw bolt and nut, it would however also be possible to employ pin.
Wherein, first bucket tooth 2 of the present embodiment can be connected to one with the right side of skip body 1 using non-removable mode
Rise, such as linked together by way of welding, it is also possible to linked together by dismountable bucket tooth coupling assembly, bucket tooth connects
Connected components can also use above-mentioned bolt, nut, or use pin.
Wherein, during actual assembled, one or many need to be set on the outside of a grab bucket according to a pair of thickness of grab bucket of chute forming machine
Individual first bucket tooth, equally, sets one or more bucket tooth components on the outside of another grab bucket, is such as respectively provided with 2-4 first bucket
Tooth or bucket tooth component.During assembling, the position of the first bucket tooth and the second bucket tooth can also be exchanged as needed.
In design, the overall width of multiple crotch teeth 4 in multiple bucket tooth components and the I-steel of pending treatment should be made
The width of joint is adapted, so that when chute forming machine works, multiple crotch teeth can be stretched into the groove of I-shaped steel joint dorsal part,
And grab the broken filler inside I-shaped steel joint back side grooves.
It should be noted that the width of I-steel refers to I-steel being placed in when in slotted eye, along the chi of slotted eye width
It is very little；Accordingly, the overall width of multiple crotch teeth 4 refers to along the multiple crotches set by I-steel width on the outside of grab bucket
In tooth 4, the distance of first crotch tooth to last crotch tooth (as shown in Figure 13 apart from L).The present invention is using above-mentioned
Grooving and brush wall method, in ground-connecting-wall work progress is carried out to Muddy Bottoms burning into sand stratum, can be to the seam of adjacent slot section
Place carry out it is effective remove and scrub, the occurrence of prevent seam crossing filler 8 fully erased, it is ensured that joint is scrubbed dry
Only, below, the present invention describes the grooving and brush wall method for using in detail.
Step S01,
The first bucket tooth is respectively mounted on the outside of a pair of skip bodies of chute forming machine, and (the first bucket tooth can be using prior art
First bucket tooth), chute forming machine work drives the first bucket tooth installed on a pair of skip bodies and skip body to Muddy Bottoms burning into sand ground
Layer carries out trenching construction, to form a phase groove slotted eye 11 of ground-connecting-wall.
Step S02,
When after the slotted eye for forming a phase groove by chute forming machine, I-steel is placed in the two ends of steel reinforcement cage, with steel reinforcement cage
Under be set in a phase groove slotted eye 11 (as shown in figure 11), to form joint between the two ends of the width of a phase groove slotted eye 11
(i.e. I-shaped steel joint 10), and make side (such as front) the one phase groove slotted eye 11 of direction of I-shaped steel joint 10.The I-shaped steel joint
10 structure can be described to its structure herein using the structure of prior art.
Step S03,
After I-shaped steel joint 10 is placed in one phase of ground-connecting-wall groove slotted eye 11, in the opposite side of I-shaped steel joint 10
(such as back side) fills out filler 8 (as shown in figure 11), and concrete is poured into the slotted eye of a phase groove, forms the one of ground-connecting-wall
Phase groove groove section.Wherein, the opposite side in I-shaped steel joint 10 fills out filler 8, can prevent from being poured in a phase groove slotted eye 11
During note concrete, concrete makes the second stage of groove to construct around the opposite side for entering I-shaped steel joint 10.Wherein, the present invention
Filler 8 can use foam.
Step S04,
After the phase groove groove section for forming ground-connecting-wall, the Muddy Bottoms burning into sand stratum shape of the opposite side of I-shaped steel joint 10 is being close to
Into the second stage of groove slotted eye 9 of ground-connecting-wall, including：
First, that one phase of the direction groove groove section installed in chute forming machine is displaced using the bucket tooth component with crotch tooth
The first bucket tooth on skip body.
Then, this skip body of bucket tooth component will be installed towards I-shaped steel joint 10, and makes the curved of bucket tooth component
Briar tooth is close to the opposite side of I-shaped steel joint 10, and makes the opposite side that crotch tooth is close to I-shaped steel joint 10 be by that will struggle against
The crotch tooth of tooth assembly is placed in the method in the groove of the opposite side of I-shaped steel joint 10, i.e. by the vertical section outside of crotch tooth
It is close on the side wall of the opposite side of I-shaped steel joint 10, the horizontal segment of crotch tooth is placed in the recessed of the opposite side of I-shaped steel joint 10
In groove.During design, the width of crotch tooth should be made to be adapted with the width of I-shaped steel joint 10, so that the horizontal segment of crotch tooth can be with
It is embedded in the groove of the opposite side of I-shaped steel joint 10, the filler 8 of the opposite side of I-shaped steel joint 10 is crushed completely.
Finally, chute forming machine work, drives the bucket tooth component on skip body to grab the opposite side of broken I-shaped steel joint 10
Filler 8, under the collective effect of bucket tooth component and the first bucket tooth of opposite side, ground-connecting-wall is carried out to Muddy Bottoms burning into sand stratum
The trenching construction of the second stage of groove, to form the second phase of ground-connecting-wall on the Muddy Bottoms burning into sand stratum for being close to the opposite side of I-shaped steel joint 10
Groove slotted eye 9.
Step S05,
After forming the second stage of groove slotted eye 9 of ground-connecting-wall, connect in the installation on the skip body of bucket tooth component that is provided with of chute forming machine
Head brush, to carry out brush wall cleaning to the opposite side of I-shaped steel joint 10 using the terminal bruss on chute forming machine.
Before joint scrub is carried out, terminal bruss is fixed on the side wall of skip body by the through hole or bolt hole reserved
On, when fixed, terminal bruss and skip body fixation should be made.During scrub, the bristle of terminal bruss is alignedly connected into wall chase section and is connect
Hole wall at seam, then skip body toward the one side shifting 30-40cm of phase groove groove section for having poured (i.e. towards at I-shaped steel joint
It is mobile), the lateral pressure of terminal bruss butt joint hole wall during ensureing to scrub.During scrub, up and down chute forming machine should be segmented
Skip body I-shaped steel joint is scrubbed, until without filler and/or spare on I-shaped steel joint, joint is become silted up
Untill product thing is not further added by.
And after being cleaned to the second stage of groove slotted eye brush wall, subsequent handling treatment is carried out to the second stage of groove slotted eye, such as I-steel is connect
Head is placed at the groove tail of the second stage of groove slotted eye, and then the opposite side in I-shaped steel joint fills out filler, then in the second stage of groove groove
Steel reinforcement cage is transferred in hole, then concrete is poured into the slotted eye of the second stage of groove ..., repeat the above steps, until each groove section is applied
Work is finished, and forms overall ground-connecting-wall.
In sum, the brush wall method that the present invention is used has the following advantages that：
1st, the brush wall method of the embodiment of the present invention, carries out terminal bruss terminal bruss and washes on the skip body of chute forming machine
Construction, for being scrubbed compared to traditional jointing, can increase the lateral pressure scrubbed at terminal bruss abutment joint, improve joint and scrub effect
Really, it is ensured that the quality of connection between seam crossing adjacent slot section, effectively prevent ground-connecting-wall leakage scenarios from occurring.
2nd, the brush wall method of the embodiment of the present invention, terminal bruss is directly installed on the skip body of chute forming machine, reduces it
The use of his equipment (such as crane, loading machine), saves equipment leasing and operating cost.
3rd, the brush wall method of the embodiment of the present invention, can carry out joint scrub construction after the completion of grooving, save other
The equipment calls time, shorten the construction period.
4th, the brush wall method of the embodiment of the present invention, improves construction quality, shortens the construction period, has to sundry item
Good reference, promotion prospect is wide.
5th, the brush wall device of the embodiment of the present invention, is connected between terminal bruss and chute forming machine skip body using coupling assembly,
Connection is easy, time-consuming, improves efficiency.
6th, the brush wall device of the embodiment of the present invention, installs the bucket tooth with crotch tooth on a skip body of chute forming machine
Component, crotch tooth can extend into the inside grooves of ground-connecting-wall I-shaped steel joint, will be filled in the filling inside I-shaped steel joint
Thing is grabbed broken so that can completely be scrubbed clean filler when subsequently being scrubbed to I-shaped steel joint, is easy to the ground-connecting-wall second phase
Groove is constructed and steel reinforcement cage is divided into, and due to filler will not be retained at ground-connecting-wall I-shaped steel joint, so that joint will not go out
Existing Seepage, improves construction quality.
From above-mentioned, the present invention during convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction, using into
The method of groove correction ensure that the perpendicularity of grooving slotted eye so that steel reinforcement cage can once enter groove and divide into, and will not after excavation
Occupy adjacent space nearby, it is ensured that construction safety, improve construction speed；And during Qing Bi reduce equipment allocating time with
Cost, can be fully erased clean by filler, effectively improves brush wall quality and speed, shortens construction period, reduces construction cost,
Improve construction quality.
Although above-mentioned elaborate to the present invention, the invention is not restricted to this, those skilled in the art can
Modified with principle of the invention, therefore, all various modifications carried out according to principle of the invention all should be understood to
Fall into protection scope of the present invention.
Claims (10)
1. one kind flows plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls, including：
Convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction, to form ground-connecting-wall slotted eye；
Steel reinforcement cage decentralization and concrete pouring construction are carried out in slotted eye, to form ground-connecting-wall；
Characterized in that, the step of being rectified a deviation including grooving during convection current plastic state Muddy Bottoms burning into sand stratum carries out trenching construction,
The step includes：
Cell wall fender pile is formed in stream plastic state Muddy Bottoms burning into sand stratum ground-connecting-wall both sides using mixing pile, to be applied in ground-connecting-wall grooving
Man-hour will not cave in；
When trenching construction is carried out to the inclined groove section of the following shallow-layer scope internal groove side wall fender pile in slotted eye aperture, aided in into using digging machine
Scouring machine carries out inside and outside correction, so that the grab bucket of chute forming machine enters in vertical aperture, side deburring grooving；
Wherein, it is described to carry out inside and outside correction using digging machine auxiliary chute forming machine, refer to be grabbed bucket top by digging machine pushing tow, under making grab bucket
The relative grab bucket top counter motion in portion, so that inclined skip body is by righting.
2. method according to claim 1, it is characterised in that the inclined skip body includes following step by righting
Suddenly：
The grab bucket bottom of chute forming machine is placed in the aperture of slotted eye；
Digging machine reversely promotes chute forming machine to grab bucket according to cell wall fender pile incline direction, to be grabbed bucket as the first supporter pushing tow using digging machine
Top；
During pushing tow grab bucket top, chute forming machine opens the side where the second cell wall fender pile of inclined first cell wall fender pile offside
Lower correction plate, and using the cell wall of the second cell wall fender pile as the second supporter pushing tow grab bucket bottom, grabbed so that bottom of grabbing bucket is relative
Bucket top counter motion；
When skip body bottom is with respect to the counter motion of skip body top, chute forming machine work, skip body is by inclined cell wall
The inclined surface of fender pile is grabbed except vertical surface is formed, and makes inclined skip body by righting.
3. method according to claim 2, it is characterised in that the digging machine is reversely pushed into according to cell wall fender pile incline direction
Scouring machine grab bucket includes：
If cell wall fender pile is inclined laterally, digging machine promotes institute in the inner side of the inclined cell wall fender pile in side outwardly towards lateral direction
State the top of grab bucket；
If cell wall fender pile is inwardly rolled tiltedly, digging machine promotes institute in the outside of inwards inclined cell wall fender pile towards inner side direction
State the top of grab bucket.
4. method according to claim 1, it is characterised in that the grooving correction also comprises the following steps：
To both sides it is soft or hard differ, side correction plate there is no supporter and can not rectify a deviation groove section carry out trenching construction when, utilize
Brill brill is drawn pilot hole by hand, then bores a method trenching construction grabbed using two.
5. method according to claim 4, it is characterised in that when boring the method trenching construction that grabs using two, with hand handle
Boring the perpendicularity of the pilot hole for drawing ensures the perpendicularity of grooving cell wall.
6. method according to claim 1, it is characterised in that the grooving correction also comprises the following steps：
When the groove section that can not be rectified a deviation greatly to cell wall fender pile hardness carries out trenching construction, special correction plate is hung using crawler crane
Enter in slotted eye, to coordinate chute forming machine to rectify a deviation by force.
7. method according to claim 1, it is characterised in that the grooving correction also comprises the following steps：
When the groove section of small, the vertical grooving that do not influence to grab bucket on cell wall fender pile tilt quantity carries out trenching construction, using configuration into
Automatic deviational survey deviation-rectifying system on scouring machine carries out inside and outside deviational survey correction to groove section, so as to the deburring grooving of chute forming machine side.
8. the method according to claim any one of 1-7, it is characterised in that utilize the chute forming machine grab chute forming, including
The step of trenching construction is carried out to Muddy Bottoms burning into sand stratum using the first bucket tooth on skip body.
9. method according to claim 8, it is characterised in that a phase groove groove of ground-connecting-wall is formed using first bucket tooth
Duan Hou, also displaces the first bucket tooth using the bucket tooth component on skip body, to remove I-shaped steel joint side
The step of filler of wall.
10. method according to claim 9, it is characterised in that after the filler for removing I-shaped steel joint side wall, also wrap
Include the step of brush wall is carried out to I-shaped steel joint side wall using the terminal bruss on the skip body cleaning.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210246.5A CN106836189A (en) | 2017-03-31 | 2017-03-31 | Stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210246.5A CN106836189A (en) | 2017-03-31 | 2017-03-31 | Stream plastic state Muddy Bottoms burning into sand stratum construction method for diaphragm walls |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110004988A (en) * | 2019-02-11 | 2019-07-12 | 中国水电基础局有限公司 | The protective device and method in a kind of extubation construction underground continuous wall connector hole |
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Application publication date: 20170613 |