CN204491577U - Device is stirred in a kind of spray carrying out consolidation process for specific soil layer - Google Patents

Device is stirred in a kind of spray carrying out consolidation process for specific soil layer Download PDF

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Publication number
CN204491577U
CN204491577U CN201520155969.6U CN201520155969U CN204491577U CN 204491577 U CN204491577 U CN 204491577U CN 201520155969 U CN201520155969 U CN 201520155969U CN 204491577 U CN204491577 U CN 204491577U
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CN
China
Prior art keywords
stirring rod
pipe
soil layer
stirred
spring
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Expired - Fee Related
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CN201520155969.6U
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Chinese (zh)
Inventor
马晓辉
周继凯
姜晨
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Hohai University HHU
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Hohai University HHU
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Priority to CN201520155969.6U priority Critical patent/CN204491577U/en
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Publication of CN204491577U publication Critical patent/CN204491577U/en
Expired - Fee Related legal-status Critical Current
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Abstract

This patent relates to a kind of spray carrying out consolidation process for specific soil layer and stirs device, belongs to technical field of building construction.During construction when not carrying out disturbance to topsoil as far as possible, consolidation process is carried out to subsoil.This spray is stirred device and is comprised apparatus main body, builds pipe and sleeve pipe, and wherein: apparatus main body is provided with two stirring rod, stirring rod one end and apparatus main body are hinged, and other end freedom is overhanging; Apparatus main body is provided with can by stirring rod upwards tractive thus launch tractive spring, tractive spring one end is fixed on apparatus main body, and the other end is fixed on it stirring rod rod, tractive spring be built in spring collecting pipe in; Build pipe and be designed to rotary building, build pipe one end and connect with apparatus main body, the other end connects water jet pump, builds on pipe and is provided with some spray-holes for spraying curing compound.Stirring rod can be packed up and expansion by the utility model easily, can reduce the disturbance to upper soil horizon when reinforcing bottom soil layer as much as possible, simple effective, economical convenient.

Description

Device is stirred in a kind of spray carrying out consolidation process for specific soil layer
Technical field
The utility model belongs to technical field of building construction, stirs device in particular to a kind of spray carrying out consolidation process for specific soil layer.
Background technology
China is vast in territory, and clay distribution is extremely complicated, and coastal, riparian area also exists the soft foundation of numerous complicated.Soft foundation carries out build, road and bridge construction time need to carry out consolidation process to soft foundation.At present full-fledged method for processing foundation comprises consolidation, changes and fill out Sand-gravel-cushion Technioue, Sand Pile Method, sludge extruding method, deep mixing method etc., but for the soil layer of some specific geological conditions, general method for processing foundation often effect is not very desirable.
There is so a kind of specific soil layer in China's riparian area: upper soil horizon is hardpan (characteristic load bearing capacity is high, and compressibilty is little), and bottom soil layer is soft layer (characteristic load bearing capacity is little, and compressibilty is large, moisture content is high, as mud, Muddy Bottoms cohesive soil etc.).Consolidation process need be carried out to this soil layer during building operations.Traditional processing method is deep mixing method, but this processing method often needs to hole to upper soil horizon large area, often destroy the structural stability of upper soil horizon, drill tip is when perforate often because impurity hard in soil layer is more and fragile simultaneously, affects construction quality.
In recent years, the marine reclamation land engineering of coastal area gets more and more, and greater coasting area is mostly soft layer.Some local employing hill excavating and offshore filling mode, adopt the way of explosion to remove bottom silt, realize the displacement of mud and building stones, this method is effective but cost is high; Deep mixing method cannot be applied because passing through top macadam.
Utility model content
The purpose of this utility model is that carrying out process for the situation of specific soil layer provides a kind of simple effective, economy stiffening basic ground device easily, for overcoming the deficiency of above-mentioned two kinds of method for processing foundation.
To achieve these goals, the utility model takes following technical scheme:
A device is stirred in the spray carrying out consolidation process for specific soil layer, comprises mixing plant, builds pipe and sleeve pipe, and wherein, the upper end of mixing plant connects builds pipe, sleeve pipe can manage building and casing pipe sleeve in tube chamber.
Further, mixing plant comprises stirring rod, spring, stirring linkage and connecting bolt, wherein, by connecting bolt, linkage is hinged coordinates with stirring in stirring rod one end, the other end is protruding away from stirring linkage, spring one end with stirring linkage be connected, the other end is connected with stirring rod, spring can by stirring rod upwards tractive make stirring rod be in deployed condition.
Further, stirring rod number is two and is provided with the first connecting hole above, roller and draw ring, and wherein, the first connecting hole is arranged on one end that stirring rod is connected with linkage, and roller is arranged on stirring rod one end away from linkage;
Further, spring number is two and one end is connected with draw ring.
Further, stir linkage and comprise spring collecting pipe, groove is stuck up in the second connecting hole and resistance, and spring major part is placed in spring collecting pipe, and resistance is stuck up groove and is located at stirring rod and launches on stroke, makes stirring rod be expanded to precalculated position and prevent from sticking up; Second connecting hole number is four, and stirring rod is by the hinged adjustment mixing width of the second connecting hole with diverse location.
Further, roller can Structure deformation with sleeve pipe, for reducing the frictional force of stirring rod and internal surface of sleeve pipe.
Further, stir linkage top to be provided with external screw thread and to be convenient to be fixedly connected with in building pipe.
Further, stirring rod and stirring linkage link together by the second connecting hole and connecting bolt, and spring collecting pipe is connected with the spring other end, make stirring rod and stir linkage link together and can rotate around connecting bolt.
Further, building pipe is round steel pipe, and one end inwall is provided with internal thread, and the pipeline section in the certain distance at internal thread place is provided with equally distributed spray-hole.
Device carries out a consolidation process construction method for specific soil layer is stirred in spray, comprises the following steps:
1) first use and form circular hole at top hardpan slightly larger than the rushing of sleeve pipe bore, rig, and punch upper soil horizon until bottom soft layer;
2) pore-forming, behind clear hole, puts into sleeve pipe in established boring, and calibration position makes its lower end go deep in the soil layer of bottom;
3) by mixing plant with build pipe and be fixedly connected with, and stirring rod packed up to put into along sleeve pipe and drop to its lower end, now spring is stretched;
4) when mixing plant drops to precalculated position along sleeve pipe, upwards extracted out by sleeve pipe, make spray-hole be exposed in the soil layer of bottom completely, stirring rod is launched under spring traction simultaneously, because anti-groove obstruction of sticking up makes stirring rod to be deployed into precalculated position;
5) inject high pressure pumping curing compound at ground place or water surface place to building pipe upper end, and pipe is built in rotation, traction stirring rod is rotated.High-pressure curing agent goes out from building the spray-hole churning of pipe lower end, is subject to stirring rod high-speed stirred simultaneously, fully mixes and harden with original weak soil;
6), after stirring, stretch under sleeve pipe, stirring rod is packed up in sleeve pipe, pipe will be built and extract out along sleeve pipe together with mixing plant;
7) by sleeve pipe slowly on take out, and constantly inject curing compound until sleeve pipe is extracted out completely.Whole bottom soil layer is reinforced complete.
The advantage that the utility model has simply effectively, economy is convenient, can carry out consolidation process to specific soil layer.
Accompanying drawing explanation
Fig. 1 is the structural representation that spray stirs when device is in collapsed state;
Fig. 2 is the structural representation that spray stirs when device is in deployed condition;
Fig. 3 is the structure sectional view that device is stirred in spray;
Fig. 4 is the structure elevation that device is stirred in spray;
Fig. 5 is the structure side view that device is stirred in spray;
Fig. 6 is the structural representation of building pipe;
Fig. 7 is the structural representation of linkage;
Fig. 8 is the structural representation of stirring rod;
Fig. 9 is the construction schematic diagram that spray stirs that device inserts soft layer;
Figure 10 is the construction schematic diagram that stirring rod is launched;
Figure 11 is the construction schematic diagram that spray stirs that device rotates whitewashing.
Wherein: Reference numeral is: mixing plant 1, build pipe 2, sleeve pipe 3, stirring rod 4, spring 5, stir linkage 6, connecting bolt 7, first connecting hole 8, roller 9, draw ring 10, external screw thread 11, spring collecting pipe 12, second connecting hole 13, resistance stick up groove 14, internal thread 15, spray-hole 16, rock or hardpan A, Soft Soil Layer B.
Detailed description of the invention
For making the object of the utility model embodiment and technical scheme clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
This example provides and a kind ofly can be directed to the spray that specific soil layer geological conditions carries out ground stabilization and stir device, and wherein spray stirs apparatus structure as shown in Figure 1, comprises mixing plant 1, builds pipe 2 and sleeve pipe 3.As shown in Fig. 2 ~ 9, mixing plant 1 comprises stirring rod 4, spring 5, stirs linkage 6 and connecting bolt 7, first connecting hole 8 and 13, roller 9, and spring collecting pipe 12, groove 14 and external screw thread are stuck up in resistance.Build pipe 2 and comprise internal thread 15 and spray-hole 16.
Wherein, the upper end of mixing plant 1 connects builds pipe 2, and sleeve pipe 3 can will build pipe 2 and sleeve pipe 3 is enclosed within tube chamber.Stirring rod 4 one end by connecting bolt 7 with stir that linkage 6 is hinged coordinates, the other end is protruding away from stirring linkage 6, spring 5 one end with stirring linkage 6 be connected, the other end is connected with stirring rod 4, spring 5 can by stirring rod 4 upwards tractive make stirring rod 4 be in deployed condition.First connecting hole 8 is arranged on one end that stirring rod 4 is connected with linkage 6, and roller 9 is arranged on stirring rod 4 one end away from linkage 6;
Spring 5 number is two and one end is connected with draw ring 10.
Spring 5 major part is placed in spring collecting pipe 12, and resistance is stuck up groove 14 and is located at stirring rod 4 and launches on stroke, makes stirring rod 4 be expanded to precalculated position and prevent from sticking up; Second connecting hole 13 number is 4, and stirring rod 4 is by the hinged adjustment mixing width of the second connecting hole 13 with diverse location.
Roller 9 can Structure deformation with sleeve pipe 3, for reducing the frictional force of stirring rod 4 and sleeve pipe 3 inwall.
When adopting the spray in this example to stir device for reinforcing specific soil layer, work progress is as follows:
1) first use and form circular hole at top hardpan slightly larger than the rushing of sleeve pipe 3 bore, rig, and punch upper soil horizon until bottom soft layer;
2) pore-forming, behind clear hole, puts into sleeve pipe 3 in established boring, and calibration position makes sleeve pipe 3 lower end go deep in the soil layer of bottom;
3) by mixing plant 1 with build pipe 2 and be fixedly connected with, and stirring rod 4 packed up to put into along sleeve pipe 3 and drop to sleeve pipe 3 lower end, now spring 5 is stretched;
4) when mixing plant 1 drops to precalculated position along sleeve pipe 3, upwards extracted out by sleeve pipe 3, make spray-hole 16 be exposed in the soil layer of bottom completely, stirring rod is launched under spring 5 draws simultaneously, because anti-groove 14 obstruction of sticking up makes stirring rod to be deployed into precalculated position;
5) inject high pressure pumping of concrete at ground place or water surface place to building pipe 2 upper end, and pipe 2 is built in rotation, traction stirring rod 4 is rotated.High pressure concrete, along building spray-hole 16 churning of pipe lower end and going out, is subject to stirring rod high-speed stirred simultaneously, fully mixes and harden with original weak soil;
6), after stirring, sleeve pipe is stretched for 3 times, stirring rod 4 is packed up in sleeve pipe 3, pipe 2 will be built and extract out along sleeve pipe 3 together with mixing plant 1;
7) by sleeve pipe 3 slowly on take out, and constantly inject concrete until sleeve pipe 3 is extracted out completely.Whole bottom soil layer is reinforced complete.
Due to small bore, the dark effect of stirring of the constructional device of this ground stabilization, both prevented and destroyed upper soil horizon structural stability, in turn ensure that the quality of lower soil layer consolidation process.

Claims (9)

1. device is stirred in the spray carrying out consolidation process for specific soil layer, it is characterized in that: comprise mixing plant (1), build pipe (2) and sleeve pipe (3), it is characterized in that: the upper end of described mixing plant (1) connects builds pipe (2), described sleeve pipe (3) can will build pipe (2) and sleeve pipe (3) is enclosed within tube chamber.
2. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 1, it is characterized in that: described mixing plant (1) comprises stirring rod (4), spring (5), stir linkage (6) and connecting bolt (7), wherein, described stirring rod (4) one end is coordinated with stirring linkage (6) is hinged by connecting bolt (7), the other end is protruding away from stirring linkage (6), described spring (5) one end is connected with stirring linkage (6), the other end is connected with stirring rod (4), described spring (5) can by stirring rod (4) upwards tractive make stirring rod (4) be in deployed condition.
3. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 2, it is characterized in that: described stirring rod (4) number is two and is provided with the first connecting hole (8) above, roller (9) and draw ring (10), wherein, described the first connecting hole (8) is arranged on one end that stirring rod (4) is connected with linkage (6), and described roller (9) is arranged on stirring rod (4) one end away from linkage (6).
4. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 3, it is characterized in that: described spring (5) number is two and one end is connected with draw ring (10).
5. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 3, it is characterized in that: described stirring linkage (6) comprises spring collecting pipe (12), groove (14) is stuck up in second connecting hole (13) and resistance, described spring (5) major part is placed in spring collecting pipe (12), described resistance is stuck up groove (14) and is located at stirring rod (4) and launches on stroke, makes stirring rod (4) be expanded to precalculated position and prevent from sticking up; Described the second connecting hole (13) number is 4, and described stirring rod (4) is by the hinged adjustment mixing width of the second connecting hole (13) with diverse location.
6. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 5, it is characterized in that: described roller (9) can Structure deformation with sleeve pipe (3), for reducing the frictional force of stirring rod (4) and sleeve pipe (3) inwall.
7. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 6, it is characterized in that: described stirring linkage (6) top is provided with external screw thread (11) and is convenient to be fixedly connected with in building pipe (2).
8. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 7, it is characterized in that: stirring rod (4) and stirring linkage (6) link together by described connecting hole (13) and connecting bolt (7), described spring collecting pipe (12) is connected with spring (5) other end, makes stirring rod (4) link together with stirring linkage (6) and can rotate around connecting bolt (7).
9. device is stirred in a kind of spray carrying out consolidation process for specific soil layer according to claim 8, it is characterized in that: described pipe (2) of building is round steel pipe, one end inwall is provided with internal thread (15), and the pipeline section in the certain distance at internal thread (15) place is provided with equally distributed spray-hole (16).
CN201520155969.6U 2015-03-19 2015-03-19 Device is stirred in a kind of spray carrying out consolidation process for specific soil layer Expired - Fee Related CN204491577U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104746509A (en) * 2015-03-19 2015-07-01 河海大学 Spraying and mixing device for carrying out strengthening processing on specific soil layer and construction method thereof
CN112726568A (en) * 2020-12-29 2021-04-30 中铁四局集团有限公司 Method for reinforcing silt sand layer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104746509A (en) * 2015-03-19 2015-07-01 河海大学 Spraying and mixing device for carrying out strengthening processing on specific soil layer and construction method thereof
CN104746509B (en) * 2015-03-19 2017-01-25 河海大学 Spraying and mixing device for carrying out strengthening processing on specific soil layer and construction method thereof
CN112726568A (en) * 2020-12-29 2021-04-30 中铁四局集团有限公司 Method for reinforcing silt sand layer
CN112726568B (en) * 2020-12-29 2022-04-19 中铁四局集团有限公司 Method for reinforcing silt sand layer

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150722

Termination date: 20180319