CN211256844U - Coral sand grouting diffusion radius detection device - Google Patents

Coral sand grouting diffusion radius detection device Download PDF

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Publication number
CN211256844U
CN211256844U CN201921793972.5U CN201921793972U CN211256844U CN 211256844 U CN211256844 U CN 211256844U CN 201921793972 U CN201921793972 U CN 201921793972U CN 211256844 U CN211256844 U CN 211256844U
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CN
China
Prior art keywords
pressure
barrel
bearing
slurry
diffusion
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Expired - Fee Related
Application number
CN201921793972.5U
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Chinese (zh)
Inventor
许宏发
黄思婷
杨殷豪
陈晓
李可良
耿汉生
张雷
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Army Engineering University of PLA
Nanjing Yangtze River Urban Architectural Design Co Ltd
Original Assignee
Army Engineering University of PLA
Nanjing Yangtze River Urban Architectural Design Co Ltd
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Application filed by Army Engineering University of PLA, Nanjing Yangtze River Urban Architectural Design Co Ltd filed Critical Army Engineering University of PLA
Priority to CN201921793972.5U priority Critical patent/CN211256844U/en
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Publication of CN211256844U publication Critical patent/CN211256844U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a coral sand grouting diffusion radius detection device, which belongs to the technical field of grouting devices, and comprises a pressure supply device, a pressure-bearing slurry storage barrel and a slurry diffusion barrel, wherein the pressure supply device is connected with the pressure-bearing slurry storage barrel through a first pipeline, and the pressure-bearing slurry storage barrel is connected with the slurry diffusion barrel through a second pipeline; the pressure-bearing slurry storage barrel is internally provided with cement slurry with different proportions, the bottom of the pressure-bearing slurry storage barrel is provided with a stirring impeller, the stirring impeller extends into the cement slurry, a broken coral sand sample is stored in the slurry diffusion barrel, the slurry diffusion barrel is provided with a vent valve and a slurry outlet, and the first pipeline and the second pipeline are respectively provided with a control flow valve. The beneficial effects of the utility model are that, can combine different coral sand layer apolegamy different thick liquids to carry out slip casting diffusion effect analysis at the practical application in-process, provide the foundation for the engineering personnel at coral sand reinforcement practical engineering application.

Description

Coral sand grouting diffusion radius detection device
Technical Field
The utility model belongs to the technical field of the slip casting device, more specifically says, the utility model relates to a coral sand slip casting diffusion radius detection device.
Background
The coral reef in the island in south China sea mainly comprises upper layer loose non-cemented or weakly cemented calcareous sand and lower layer secondary and primary reef limestone, and the whole thickness can reach more than 2000 m. The calcareous sand has the characteristics of irregular shape, weak cementation, easy crushing, high pore content and the like, so the calcareous sand has the characteristics of low bearing capacity, large deformation and the like, and has important significance for reinforcing the strength characteristic of a sand layer and expanding engineering application by reinforcing the calcareous sand layer. However, the indoor grouting reinforcement test for the calcareous sand is not much researched at present. Therefore, the design of a set of device capable of simulating the field test of coral sand grouting strength reinforcement is of great significance.
In recent years, grouting reinforcement technology is widely applied, and research on simulation of permeation and splitting processes of a grouting process, characteristics of grouting materials and the like is widely developed in the aspect of indoor simulation tests. Meanwhile, in the aspect of practical application of rock mass engineering, the grouting reinforcement technology is proved to be capable of effectively improving the strength of rock mass. The grouting reinforcement technology has wide application prospect in the aspects of rock and soil strength reinforcement and the like.
The traditional method for reinforcing the calcareous sand mainly comprises disturbance reinforcement (tamping, vibroflotation and the like), in-situ reinforcement (grouting, microorganisms) and pile foundation. The traditional disturbance reinforcement and microbial reinforcement have limited improvement on the bearing capacity and impermeability of the calcareous sand foundation, the cost of the pile foundation is higher, and the grouting reinforcement technology can effectively improve the bearing capacity of the foundation and has better impermeability, and has the advantages of simple construction, low cost and the like.
As the broken calcareous sand is smaller in particle size relative to the broken rock mass, the requirements on grouting materials and processes are higher. And aiming at different sand characteristics, the slurry combination form in the grouting process is more complicated. Due to the complexity of the field grouting construction process, the quality of the grouting effect cannot be judged, the grouting process cannot be effectively controlled and detected, and the method has concealment and uncertainty, so that many adverse conditions are caused to the design and construction of constructors in grouting engineering.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model discloses a purpose design and made one set and can be used for detecting the radial simple and easy indoor slip casting device of different coral sand sample slip casting diffusion, can detect the slurry diffusion radius experimental analysis to different broken coral sand samples in different ratios, can combine different coral sand layer apolegamy different slurries to carry out the slip casting feasibility analysis at the practical application in-process, and it provides the foundation to consolidate practical engineering application at the coral sand for the engineering personnel.
In order to achieve the above object, the utility model provides a following technical scheme: a coral sand grouting diffusion radius detection device comprises a pressure supply device, a pressure-bearing slurry storage barrel and a slurry diffusion barrel, wherein the pressure supply device is connected with the pressure-bearing slurry storage barrel through a first pipeline, and the pressure-bearing slurry storage barrel is connected with the slurry diffusion barrel through a second pipeline; the pressure-bearing slurry storage barrel is internally provided with cement slurry with different proportions, the bottom of the pressure-bearing slurry storage barrel is provided with a stirring impeller, the stirring impeller extends into the cement slurry, a broken coral sand sample is stored in the slurry diffusion barrel, the slurry diffusion barrel is provided with a vent valve and a slurry outlet, and the first pipeline and the second pipeline are respectively provided with a control flow valve.
In a preferred embodiment, the upper end of the pressure-bearing pulp storage barrel is provided with an exhaust valve.
In a preferred embodiment, the pressure supply device is an air compressor.
In a preferred embodiment, the pressure-bearing slurry storage barrel is a carbon steel pressure barrel, the pressure-bearing slurry storage barrel is hollow and cylindrical, a guide pipe hole is preset in the top cover of the pressure-bearing slurry storage barrel, a stirring impeller rod can be inserted into the bottom of the pressure-bearing slurry storage barrel, the stirring impeller is fixed on the stirring impeller rod, the bottom end of the pressure-bearing slurry storage barrel is closed, and the top of the pressure-bearing slurry storage barrel is sealed by a circular iron cover plate and a rubber ring.
In a preferred embodiment, the first and second pipes are both PU pneumatic hoses.
In a preferred embodiment, the slurry diffusion barrel is a transparent organic glass barrel and comprises a barrel cover, a barrel body, a barrel bottom and a grouting pipe, wherein holes are uniformly formed in the barrel cover and the barrel bottom respectively, a fixing screw penetrates through the holes in the barrel cover and the barrel bottom in sequence and then fastens the barrel cover and the barrel bottom, one end of the grouting pipe extends out of the barrel bottom and is communicated with a second pipeline, the other end of the grouting pipe extends out of the barrel cover and is fixed with the barrel cover, a slurry outlet, a cover plate and a hinge are uniformly formed in the grouting pipe, and the cover plate is movably connected with the slurry outlet through the hinge.
In a preferred embodiment, a clamping groove is formed in the barrel cover, a groove matched with the clamping groove is formed in the barrel body, and the barrel cover and the barrel body are fastened through the clamping groove and the groove.
The utility model discloses a technological effect and advantage:
1. the utility model relates to a with made one set and can be used for detecting the radial simple and easy indoor slip casting device of different coral sand sample slip casting diffusion, can detect the radial experimental analysis of thick liquid diffusion to different broken coral sand sample in different ratios, can combine different coral sand layer apolegamy different thick liquids to carry out slip casting diffusion effect analysis at the practical application in-process, consolidate practical engineering application at the coral sand for the engineer and provide the foundation.
2. The utility model discloses can guarantee that the thick liquid lasts steadily pours into broken coral sand test piece into to the diffusion radius process of slip casting is surveyd, can reflect the diffusion condition of the thick liquid of slip casting process more really, and finally can carry out comparatively effectual measurement to the radius scope of slip casting. Simultaneously, the device can realize slip casting process effective control, can satisfy the influence of different broken coral sand particle diameters and different thick liquids types, and these all are the basis whether reasonable is put to the evaluation slip casting diffusion radius device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the slurry diffusion barrel of the present invention.
Fig. 3 is the structural schematic diagram of the grouting pipe of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model relates to a coral sand grouting diffusion radius detection device, which comprises; the pressure-bearing slurry storage barrel comprises a pressure supply device 1, a pressure-bearing slurry storage barrel 2 and a slurry diffusion barrel 3, wherein the pressure supply device 1 is connected with the pressure-bearing slurry storage barrel 2 through a first pipeline 4, and the pressure-bearing slurry storage barrel 2 is connected with the slurry diffusion barrel 3 through a second pipeline 5; the inside cement thick liquid that is equipped with different ratios of pressure-bearing thick liquid storage bucket 2, pressure-bearing thick liquid storage bucket 2 bottoms are equipped with impeller 6, and impeller 6 stretches into in the cement thick liquid, broken coral sand sample has been deposited in the thick liquid diffusion bucket 3, is equipped with breather valve 7 and grout outlet 8 on the thick liquid diffusion bucket 3, all is equipped with control flow valve 9 on first pipeline 4 and the second pipeline 5. An exhaust valve 10 is arranged at the upper end of the pressure-bearing pulp storage barrel 2.
The utility model adopts the air compressor to provide grouting pressure, the pressure output range is 0-1.0MPa, the output flow is 0-0.5L/min, and the weight of the slurry containing barrel is 8 kg.
The pressure-bearing slurry storage barrel 2 is a carbon steel pressure barrel, the pressure-bearing slurry storage barrel 2 is hollow cylindrical, a guide pipe hole is preset in the top cover of the pressure-bearing slurry storage barrel 2, a stirring impeller rod can be inserted into the bottom of the pressure-bearing slurry storage barrel 2, a stirring impeller 6 is fixed on the stirring impeller rod, the bottom end of the pressure-bearing slurry storage barrel 2 is sealed, and the top of the pressure-bearing slurry storage barrel 2 is sealed by a circular iron cover plate and a rubber ring. The carbon steel pressure barrel is 30cm high and 20cm in diameter, and can contain 10L of cement slurry at one time.
The cement grout can be stirred at any time in the test process, so that the grout is prevented from being segregated due to long-time grouting, the concentration of the grout is enabled to be uneven, and the grouting test effect is prevented from being influenced.
The first pipeline 4 and the second pipeline 5 are both PU pneumatic hoses.
Slurry diffusion bucket 3 is transparent organic glass bucket, including the bung, the staving, barrel head and slip casting pipe 11, evenly open respectively on bung and the barrel head has the hole, and the clamping screw passes the bung and fastens the hole on the barrel head after the two in proper order, and the one end of slip casting pipe 11 stretches out the barrel head and communicates with second pipeline 5, and the other end of slip casting pipe 11 stretches out the bung and is fixed with the bung, evenly is equipped with grout outlet 8 on the slip casting pipe 11, apron 12 and hinge 13, apron 12 passes through hinge 13 active link with grout outlet 8. In order to avoid that fine coral sand around the slurry diffusion barrel 3 enters the grouting pipe 11 before grouting, the grouting pipe 11 is set to be columnar, a lifting type hinge cover plate 12 is attached to a hole of the grouting pipe, fine particles of the coral sand around cannot enter before grouting, when the slurry is poured out, the cover plate 12 is lifted, and after grouting, the cover plate 12 is folded.
The barrel cover is convenient to connect and fix, a clamping groove is formed in the barrel cover, a groove matched with the clamping groove is formed in the barrel body, and the barrel cover and the barrel body are fastened through the clamping groove and the groove.
The utility model discloses a theory of operation: the utility model relates to a coral sand slip casting diffusion radius detection device mainly comprises the triplex, supplies pressure equipment, pressure-bearing storage thick liquid bucket and thick liquid diffusion bucket respectively. Wherein adopt air compressor to provide grouting pressure for whole indoor slip casting test device to carry out real-time supervision through the manometer, guaranteed that whole slip casting process pressure is invariable. Cement grout with different proportions is stored in the pressure-bearing grout storage barrel, the stirring impeller is installed at the bottom of the pressure-bearing grout storage barrel, the stirring impeller is used for continuously stirring in the test process, the fluidity and the concentration of the grout can be well controlled, and the test precision is improved. Broken coral sand sample is deposited to thick liquid diffusion bucket, and its upper and lower both ends respectively are equipped with breather valve and grout outlet, have guaranteed like this that both ends can all carry out the slip casting from top to bottom, and experimental selection is more nimble. The three parts are connected by PU pneumatic hoses. The air compressor is closed before the test is started, whether the air tightness of the connecting parts such as the hoses, the bolts and the like is good is checked, then the air compressor is operated, the flow valves are opened in sequence after the grouting pressure is adjusted to the preset grouting pressure for the grouting diffusion test. The flow valve of the pressure-bearing slurry storage barrel is used for controlling and adjusting the grouting pressure in the test, the flow valve of the slurry diffusion barrel is used for controlling the grouting amount, and the valve and the aerodynamic device are closed in sequence after the test is finished. The top cap and the ladle body of pressure-bearing thick liquid storage bucket and thick liquid diffusion bucket are sealed through the sealed cooperation bolt of rubber packing, can guarantee good gas tightness, and the staving design is simple simultaneously, and convenient to detach and washing can use repeatedly. The pressure supply device, the pressure-bearing slurry storage barrel and the slurry diffusion barrel are a unified whole, so that the device can well simulate the manufacturing of an indoor grouting test piece and the research of a grouting diffusion test.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A coral sand grouting diffusion radius detection device is characterized by comprising; the pressure-bearing slurry storage barrel comprises a pressure supply device (1), a pressure-bearing slurry storage barrel (2) and a slurry diffusion barrel (3), wherein the pressure supply device (1) is connected with the pressure-bearing slurry storage barrel (2) through a first pipeline (4), and the pressure-bearing slurry storage barrel (2) is connected with the slurry diffusion barrel (3) through a second pipeline (5); the inside cement thick liquid that is equipped with different ratios of pressure-bearing thick liquid storage bucket (2), pressure-bearing thick liquid storage bucket (2) bottom are equipped with impeller (6), and impeller (6) stretch into in the cement thick liquid, have placed broken coral sand sample in thick liquid diffusion bucket (3), be equipped with breather valve (7) and grout outlet (8) on thick liquid diffusion bucket (3), all be equipped with control flow valve (9) on first pipeline (4) and second pipeline (5).
2. The coral sand grouting diffusion radius detection device as claimed in claim 1, wherein: an exhaust valve (10) is arranged at the upper end of the pressure-bearing pulp storage barrel (2).
3. The coral sand grouting diffusion radius detection device as claimed in claim 1, wherein: the pressure supply device (1) is an air compressor.
4. The coral sand grouting diffusion radius detection device as claimed in claim 1, wherein: the pressure-bearing pulp storage barrel (2) is a carbon steel pressure barrel, the pressure-bearing pulp storage barrel (2) is hollow and cylindrical, a guide pipe hole is formed in the top cover of the pressure-bearing pulp storage barrel (2) in a preset mode, a stirring impeller rod can be inserted into the bottom of the pressure-bearing pulp storage barrel (2), a stirring impeller (6) is fixed on the stirring impeller rod, the bottom end of the pressure-bearing pulp storage barrel (2) is sealed, and the top of the pressure-bearing pulp storage barrel (2) is sealed through a circular iron cover plate and a rubber ring.
5. The coral sand grouting diffusion radius detection device as claimed in claim 1, wherein: the first pipeline (4) and the second pipeline (5) are both PU pneumatic hoses.
6. The coral sand grouting diffusion radius detection device as claimed in claim 1, wherein: slurry diffusion bucket (3) are transparent organic glass bucket, comprising a barrel cover, the staving, barrel head and slip casting pipe (11), it has the hole to evenly open respectively on bung and the barrel head, set screw fastens the hole on bung and the barrel head after passing the bung in proper order, the one end of slip casting pipe (11) is stretched out the barrel head and is communicate with second pipeline (5), the other end of slip casting pipe (11) stretches out the bung and is fixed with the bung, evenly be equipped with grout outlet (8) on slip casting pipe (11), apron (12) and hinge (13), apron (12) pass through hinge (13) active link with grout outlet (8).
7. The coral sand grouting diffusion radius detection device as claimed in claim 6, wherein: the barrel cover is provided with a clamping groove, the barrel body is provided with a groove matched with the clamping groove, and the barrel cover and the barrel body are fastened through the clamping groove and the groove.
CN201921793972.5U 2019-10-23 2019-10-23 Coral sand grouting diffusion radius detection device Expired - Fee Related CN211256844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921793972.5U CN211256844U (en) 2019-10-23 2019-10-23 Coral sand grouting diffusion radius detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921793972.5U CN211256844U (en) 2019-10-23 2019-10-23 Coral sand grouting diffusion radius detection device

Publications (1)

Publication Number Publication Date
CN211256844U true CN211256844U (en) 2020-08-14

Family

ID=71981946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921793972.5U Expired - Fee Related CN211256844U (en) 2019-10-23 2019-10-23 Coral sand grouting diffusion radius detection device

Country Status (1)

Country Link
CN (1) CN211256844U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200814

Termination date: 20211023