CN202031099U - Oblique slip casting machine - Google Patents
Oblique slip casting machine Download PDFInfo
- Publication number
- CN202031099U CN202031099U CN2010205842554U CN201020584255U CN202031099U CN 202031099 U CN202031099 U CN 202031099U CN 2010205842554 U CN2010205842554 U CN 2010205842554U CN 201020584255 U CN201020584255 U CN 201020584255U CN 202031099 U CN202031099 U CN 202031099U
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- Prior art keywords
- slip casting
- oblique
- drilling rod
- slurries
- filling machine
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Abstract
The utility model discloses an oblique slip casting machine used for casting slip in a slip pool into a soil body to be reinforced. The oblique slip casting machine comprises a drill machine, a drill pipe, a slip casting pump and a slip casting drill bit, wherein the drill pipe is driven by the drill machine to move; the slip casting drill bit is arranged at the head of the drill pipe; the tail part of the drill pipe is connected to the slip pool through a slip pipe via the slip casting pump; and the drill pipe is obliquely arranged during hole punching and slip casting. By using the oblique slip casting machine, oblique slip casting can be conducted, long-distance slip casting can be achieved, and the slip casting can be conducted in a layered manner from top to bottom, so the effect of the slip can be fully played.
Description
Technical field
The utility model relates to the foundation pit construction field, relates in particular to a kind of oblique slurry filling machine.
Background technology
In the capital construction field of existing construction work, be used for the slurry filling machine of ground stabilization, generally be vertical slip casting, promptly the drilling rod of slurry filling machine is holed straight down, get into projected depth after, the beginning slip casting, pull out after having annotated.
But this method has following shortcoming:
One, vertical slip casting means that slurry filling machine can only be placed on the top of the soil body of desiring consolidated subsoil.But sometimes, the soil body of desiring consolidated subsoil also is not suitable for construction, such as for the unaffected suchlike reason of the productive life that guarantees the resident.Vertical slip casting just can't be satisfied this remote mortar depositing construction.
Two, the drilling rod of slurry filling machine just begins slip casting after getting into projected depth always, owing to being limited in scope that slurries spread in the soil body, emits the slurry phenomenon easily.
Therefore, how providing a kind of can carry out long-range slip casting and oblique slurry filling machine that can give full play to slurries effectiveness is the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
The utility model provides oblique slurry filling machine, can carry out oblique slip casting, realizes long-range slip casting, and layering from top to bottom carries out slip casting, thereby can give full play to slurries effectiveness.
A kind of oblique slurry filling machine, be used for the slurries in slurries pond are injected in the soil body of desire reinforcing, described oblique slurry filling machine comprises rig, drilling rod, grouting pump and slip casting drill bit, described rig drives described drilling rod motion, described slip casting drill bit is arranged on the head of described drilling rod, the afterbody of described drilling rod is connected to described slurries pond by slurry pipe through described grouting pump, the oblique setting when punching slip casting of described drilling rod.
In above-mentioned oblique slurry filling machine, described drilling rod is provided with when punching slip casting or oblique setting down obliquely.
In above-mentioned oblique slurry filling machine, described drilling rod and straight down the angle of direction between the 0-90 degree or between the 90-180 degree.
In above-mentioned oblique slurry filling machine, also be provided with a mixing plant that is used to stir slurries in the described slurries pond.
The beneficial effects of the utility model are as follows:
The oblique slurry filling machine that the utility model provides is provided with down because described drilling rod is oblique when punching slip casting, therefore, can carry out oblique slip casting, thereby realize long-range slip casting.Because the drilling rod of oblique slurry filling machine whenever moves a design length and just annotates once, until to projected depth, like this, can be so that slurries be more prone to be diffused in the soil body of desire reinforcing, thereby the effect with better consolidated subsoil, the generation that can effectively prevent to emit the slurry phenomenon.In a word, the utility model is that the sequential combination is carried out in directed slip casting and compaction grouting, carries out delamination pour slurry from top to bottom, gives full play to slurries effectiveness and comes consolidated subsoil.
Description of drawings
Fig. 1 is the structural representation of the oblique slurry filling machine of the utility model;
Fig. 2 is the schematic flow sheet of the utility model grouting method;
Fig. 3 is the floor map of the utility model grouting method;
Fig. 4 is the generalized section of the utility model grouting method;
Among the figure, 1-rig, 2-slurries pond, 3-drilling rod, 4-drill bit, 5-grouting pump, 6-mixing plant, 7-injected hole, 71-slip casting point, 8-preserved building, 9-foundation ditch, 10-range of grouting stop line, 11-building site enclosure wall.
The specific embodiment
Below will be described in further detail oblique slurry filling machine of the present utility model.
Below with reference to accompanying drawings the utility model is described in more detail, has wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
For clear, whole features of practical embodiments are not described.In the following description, be not described in detail known function and structure, because they can make the utility model because unnecessary details and confusion.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details, for example, change into another embodiment by an embodiment according to relevant system or relevant commercial restriction to realize developer's specific objective.In addition, will be understood that this development may be complicated and time-consuming, but only be routine work to those skilled in the art.
For the purpose of this utility model, feature are become apparent, the specific embodiment of the present utility model is further described below in conjunction with accompanying drawing.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
See also Fig. 1, Fig. 1 is described to be the structural representation of the oblique slurry filling machine of the utility model.This oblique slurry filling machine is used for the slurries in slurries pond 2 are injected in the soil body of desire reinforcing, and described oblique slurry filling machine comprises rig 1, drilling rod 3, grouting pump, slip casting drill bit 4.Described rig 1 drives described drilling rod 3 motions, and described slip casting drill bit 4 is arranged on the head of described drilling rod 3, and the afterbody of described drilling rod 3 is connected to described slurries pond 2 by slurry pipe through described grouting pump, the oblique setting when punching slip casting of described drilling rod 3.Described oblique slurry filling machine comprises the mixing plant of the slurries that are used for stirring arm liquid pool 2.Described oblique slurry filling machine also comprises an air compressor machine, is used to carry out compaction grouting, provides enough injection pressures to slurries.
Described drilling rod 3 can be provided with when punching slip casting obliquely, also can obliquely be provided with down.When being provided with obliquely, described drilling rod and straight down the angle of direction between the 90-180 degree; When being provided with obliquely, the described drilling rod and the angle of direction again between the 0-90 degree straight down.The mode of this oblique slip casting is compared existing vertical slip casting, can realize journey slip casting.Because, some places are subjected to the site condition restriction of target soil body top and work for the normal life that does not influence surrounding resident, can only in the construction plant of the wide soil body, carry out, and vertical slip casting can't realize, can only rely on the mode of oblique slip casting to realize.
Described drilling rod 3 not only can constitute any angle of inclination with method straight down, and when described drilling rod 3 with after the angle of method is determined straight down, drilling rod 3 can be done 360 degree revolutions, is fixed on any angle of revolution, carries out slip casting.Therefore, use is very flexible.
See also Fig. 1-Fig. 4, shown in Figure 1 is the structural representation of the oblique slurry filling machine of the utility model; Shown in Figure 2 is the schematic flow sheet of the utility model grouting method; Shown in Figure 3 is the floor map of the utility model grouting method; Shown in Figure 4 is the generalized section of the utility model grouting method.
The basic condition of present embodiment is as follows: need be in the east, west and the north excavation pit 9 of preserved building 8, foundation ditch 9 cutting depths-15.40m.Estimate the influence of 9 pairs of surrounding environment of this foundation ditch: wherein foundation ditch 9 excavations reach 12.2m to the scope of surrounding soil sedimentation, the more scope of settlement influence is 6.9m behind the wall, and the preserved building 8 of diaphragm wall foundation ditch 9 peripheries (18m pile foundation) next-door neighbour foundation ditch 9 (as shown in Figure 4).Because preserved building 8 is close to foundation ditches 8.5～12.2m, is in the influence basin of foundation pit construction, owing to cheat the soil that unloads of the interior soil body, certainly will causes fender body to the hole intrinsic displacement, thereby cause the surrounding soil sedimentation, thereby cause building in the foundation pit construction.And preserved building 8 is cheated owing to three rings, and the synergistic effect of soil body sedimentation will be more remarkable, and building settlement is also remarkable all the more.And, reached for stability maintenance on every side by the site condition restriction and work, slip casting should not be placed on the construction of the outside, place, can only carry out in away from the construction plant of preserved building 8.And this preserved building 8 is before foundation ditch 9 excavates, and itself just a bit has inclination southward slightly.
Present embodiment is intended during to-10.4m, preserved building 8 being carried out oblique long-range filling slip casting at foundation ditch 9 construction and excavations.In order not influence preserved building 8 residents' life, so adopted inclined hole compaction grouting technology, because on-the-spot interim office and dining room facility make the construction plant narrow and small, most of injected hole 7 needs down-1.80m foundation ditch 9 encloses on the purlin end face and constructs.
For the design work amount:
According to the about 114m estimation of compaction grouting construction length on the design drawing, arrange compaction grouting hole 7 about 228 altogether: wherein 50 spend 76 of inclined holes, the dark 13.3m of single hole; 76 of 67 degree inclined holes, the dark 22.7m of single hole; 76 of 76 degree inclined holes, the dark 21.5m of single hole.The real work amount is arranged last definite through the scene.
For consumption of main materials:
According to above-mentioned estimated work, by every m
3Inject slurry amount 0.15m
3, always inject slurry amount 661.2m
3This project of calculating needs material usage to be:
(1) 32.5 grade of Portland cement 220.4t;
(2) packed flyash: 441.02t;
(3) water glass: 2.2t.
For construction sequence:
Enclose on the purlin end face corner wall compaction grouting hole 7 that construction inclination angle earlier is 76 degree (be described drilling rod 3 with the angle of direction be 76 degree) straight down in-1.80m, pitch-row is 1.5m.According to construct the again injected hole 7 of the injected hole 7 of 67 degree (be described drilling rod 3 with the angle of direction be 67 degree) straight down and 50 degree (be described drilling rod 3 with the angle of direction be 50 degree) straight down inclined hole of monitoring result building settlement situation.In same angle inclined hole construction, should follow the symmetrical construction principle, the east side of the preserved building 8 of at first constructing and the injected hole 7 in west side, the injected hole 7 of preserved building 8 north sides of constructing again.During with 7 constructions of angle injected hole is that construction is played in the jumping of 1 hole at interval, and interpolation is encrypted again.
For parameters of construction technology:
1. adopt slip casting method from top to bottom, every meter 1 slip casting point 71, every is injected slurry amount 0.15m
3Wherein,
Inclination angle 76 degree, hole depth 21.5m, 21 the slip casting points 71 in every hole, every is injected slurry amount 0.15m
3
Inclination angle 67 degree, hole depth 22.7m, 23 the slip casting points 71 in every hole, every is injected slurry amount 0.15m
3
Inclination angle 50 degree, hole depth 13.3m, 13 the slip casting points 71 in every hole, every is injected slurry amount 0.15m
3
2. every injection 0.15m
3The slurries time is 6-8 minute.
Instantaneous pressure when 3. slip casting is opened is bigger, and the average rate grouting pressure and grouting is 100-300kPa.
Adopting above-mentioned grouting pressure and jumping at interval in the slip casting process of measures such as punching, according to this toward construction experience, 76 degree and the 50 degree inclined hole grouting pressures of pressing close to diaphragm wall and preserved building 8 pile foundation places are controlled in 100～200kPa scope, can produce remarkable deformation effect diaphragm wall and pile foundation; The diffusion radius of slurries is 0.75m.
4. present embodiment adopts the slurries slip casting of following proportioning, every m
3Slurries include: 32.5 grades of Portland cement 333kg, packed flyash 667kg, water glass (concentration 43Be) 3.33kg.Every m
3Water/binder ratio in the slurries is 0.5, and wherein, ash comprises cement, flyash and water glass.That is to say every 0.3m
3Add cement 2 bags in the slurries agitator, flyash 4 bags, water glass 1kg).Also be every injection 0.15m
3Slurries include cement 50kg, flyash 100kg, water glass 0.5kg.Because mixed accelerating admixture water glass in the slurries, the initial setting time of slurries is 2-3 hour.
Wherein, at the grouting method of each injected hole 7, the drilling rod 3 by oblique slurry filling machine is injected into the soil body that desire is reinforced with slurries, adopts above-mentioned oblique slurry filling machine, specifically comprises following method:
The first step is prepared before the construction.
Second step, measurement and positioning and mechanical positioning.
The 3rd step, drilling construction, the drilling rod 3 oblique design lengths that move, in the present embodiment, drilling rod 3 oblique down mobile design lengths meanwhile, are prepared slurries.Be meant that described drilling rod 3 and vertical direction are in the scope of 30-80 degree inclination angle under described drilling rod 3 is oblique.Design length in described the 3rd step is a 0.5-1.5 rice.By mixing plant the slurries in the slurries pond 2 are fully mixed.
In the 4th step, carry out compaction grouting.The required grouting amount of described compaction grouting is 0.1-0.2m
3In the present embodiment, every is injected slurry amount 0.15m
3The grouting pressure of described compaction grouting is in 100～200kPa scope.
The 5th step judged whether to reach projected depth, and as the no show projected depth, then mechanically moving got back to for second step, as arriving projected depth, then finished slip casting.
In addition, must strictness carry out following 5 points during integral construction:
(1) compaction grouting begins must perform all preparations before the construction, carries out the test-run a machine operation, explores the reasonability of geological condition and parameter proportioning for formal construction.
(2) the slurries preparation must strict be undertaken by match ratio, and slurries must stir, and the slip casting process keeps all even continuity, slowly stirs without a break in the slip casting process.Mixing time is less than the slurries initial setting time, and 0.15m is gone in the every spray of strict execution
3The time of slurries, slurries should pass through screen filtration before pumping at 6～8 minutes.
(3) ground takes place midway and emits slurry or hole wall to emit the slurry phenomenon in slip casting, should stop slip casting immediately, and the slurry reason is emitted in investigation.Can treat to recover slip casting again after reason is got clear.
(4) compaction grouting must be implemented to jump the hole construction at interval, and interpolation is encrypted again.
(5) in the work progress, must observation desire the protuberance and the distortion situation of soil mass consolidation,, should adjust mortar depositing construction position and grouting amount etc. in case find the terrace protuberance.
The oblique slurry filling machine that the utility model provides is provided with down because described drilling rod is oblique when punching slip casting, therefore, can carry out oblique slip casting, thereby realize long-range slip casting.Because the drilling rod of oblique slurry filling machine whenever moves a design length and just annotates once, until to projected depth, like this, can be so that slurries be more prone to be diffused in the soil body of desire reinforcing, thereby the effect with better consolidated subsoil, the generation that can effectively prevent to emit the slurry phenomenon.In a word, the utility model is that the sequential combination is carried out in directed slip casting and compaction grouting, carries out delamination pour slurry from top to bottom, gives full play to slurries effectiveness and comes consolidated subsoil.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (4)
1. oblique slurry filling machine, be used for the slurries in slurries pond are injected in the soil body of desire reinforcing, it is characterized in that, described oblique slurry filling machine comprises rig, drilling rod, grouting pump and slip casting drill bit, described rig drives described drilling rod motion, described slip casting drill bit is arranged on the head of described drilling rod, and the afterbody of described drilling rod is connected to described slurries pond by slurry pipe through described grouting pump, the oblique setting when punching slip casting of described drilling rod.
2. oblique slurry filling machine as claimed in claim 1 is characterized in that, described drilling rod is provided with when punching slip casting or oblique setting down obliquely.
3. oblique slurry filling machine as claimed in claim 1 is characterized in that, described drilling rod and straight down the angle of direction between the 0-90 degree or between the 90-180 degree.
4. oblique slurry filling machine as claimed in claim 1 is characterized in that, also is provided with a mixing plant that is used to stir slurries in the described slurries pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205842554U CN202031099U (en) | 2010-10-29 | 2010-10-29 | Oblique slip casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205842554U CN202031099U (en) | 2010-10-29 | 2010-10-29 | Oblique slip casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031099U true CN202031099U (en) | 2011-11-09 |
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ID=44893401
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205842554U Expired - Fee Related CN202031099U (en) | 2010-10-29 | 2010-10-29 | Oblique slip casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276736A (en) * | 2013-04-11 | 2013-09-04 | 河南博特工程防护有限公司 | Trailer-type high-polymer grouting system |
| CN103276735A (en) * | 2013-04-11 | 2013-09-04 | 河南博特工程防护有限公司 | Integrated-type high polymer grouting system |
-
2010
- 2010-10-29 CN CN2010205842554U patent/CN202031099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276736A (en) * | 2013-04-11 | 2013-09-04 | 河南博特工程防护有限公司 | Trailer-type high-polymer grouting system |
| CN103276735A (en) * | 2013-04-11 | 2013-09-04 | 河南博特工程防护有限公司 | Integrated-type high polymer grouting system |
| CN103276735B (en) * | 2013-04-11 | 2015-12-23 | 郑州安源工程技术有限公司 | Integrated form high polymer grouting system |
| CN103276736B (en) * | 2013-04-11 | 2016-01-20 | 郑州安源工程技术有限公司 | Trailer-type high polymer grouting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20131029 |