CN218508405U - Drawer type multi-working-condition vacuum prepressing model box - Google Patents
Drawer type multi-working-condition vacuum prepressing model box Download PDFInfo
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- CN218508405U CN218508405U CN202222249110.4U CN202222249110U CN218508405U CN 218508405 U CN218508405 U CN 218508405U CN 202222249110 U CN202222249110 U CN 202222249110U CN 218508405 U CN218508405 U CN 218508405U
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Abstract
The utility model provides a drawer type multi-working condition vacuum preloading model box, which comprises a model box main body, wherein the model box main body is a box body structure with an open upper part, at least one inner side surface of the model box main body is provided with a plurality of water pumping holes, the model box main body is provided with a component slot at the outer side corresponding to the side surface, and a drawer type assembly component is inserted into the component slot; a water pumping pipe is arranged in the drawer type assembling component, a water pumping pipe interface is arranged on the outer surface of the drawer type assembling component, and the water pumping pipe interface is communicated with one end of the water pumping pipe; the water pumping holes are communicated with the space of the drawer type assembling component provided with the water pumping pipes. To current vacuum preloading to the technical barrier of silt matter clay sand inclusion layer processing difficulty, the utility model discloses an introduce vacuum preloading mold box with drawer type structure and reach the function that can the side direction evacuation and can simulate multiple different operating modes to make the experiment actual conditions of laminating more, simplified technical flow greatly.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, especially, relate to a drawer type multiplex condition vacuum preloading mold box that can simulate multiple operating mode.
Background
The vacuum preloading method is used as a new generation soft foundation reinforcing method, is widely applied to engineering construction of ports, docks, airports, industrial and civil buildings and the like by the advantages of short construction period, safe construction, no environmental pollution, low cost and the like, but the lagging of theoretical research limits further popularization and application of the engineering. The soft soil foundation is consolidated by vacuum preloading, and the soil body not only generates vertical settlement in the consolidation process, but also generates horizontal displacement towards a negative pressure source in the lateral direction.
The current common vacuum preloading model box is a box-shaped box body, and only vacuum suction can be carried out on the bottom of a soil body when the vacuum preloading model box is used, so that physical and mechanical parameters of the soil body after vacuum preloading are seriously layered and distributed, and the physical and mechanical parameters of the top surface soil body and the bottom surface soil body are even far different. In actual engineering, the ordinary vacuum preloading method cannot prevent the water supply of the sand inclusion layer in the horizontal direction, so that the silt clay sand inclusion layer cannot be effectively reinforced. However, the negative pressure suction from the side can adopt a waterproof curtain to block the water supply of the horizontal direction of the sand inclusion layer, and the sand inclusion layer is changed into a drainage channel to accelerate the drainage.
Therefore, it is necessary to provide a new vacuum preloading mold box to develop a new vacuum preloading technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a break through current vacuum preloading and handle the technical barrier of difficulty to silt matter clay sand inclusion layer, provide the novel vacuum preloading technique of test model case in order to develop of a side direction evacuation.
For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:
the utility model provides a drawer type multiplex condition vacuum preloading model case, includes the model case main part, its characterized in that: the model box main body is of a box body structure with an open upper part,
a plurality of water pumping holes are formed in at least one inner side surface of the model box main body, and prepared soil bodies required by the filling working condition are filled in a space surrounded by the inner side surfaces with the water pumping holes; the outer side of the model box main body corresponding to the side surface is provided with a component slot, and a drawer type assembling component is inserted into the component slot; the drawer-type fitting member is like a drawer and can slide in the fitting slot with a tight seam.
A water pumping pipe is arranged in the drawer type assembling component, a water pumping pipe connector is arranged on the outer surface of the drawer type assembling component, and the water pumping pipe connector is communicated with one end of the water pumping pipe; the water pumping pipe interface is used for leading out the water pumping pipe from the model box and connecting the water pumping pipe with the negative pressure suction device.
The water pumping holes are communicated with the space of the drawer type assembling component provided with the water pumping pipes.
When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:
as a preferred technical solution of the utility model: the water pumping pipe is coiled in the drawer type assembling component.
As an optimal technical solution of the utility model: the end of the water pumping pipe in the coiling center is a free end.
As an optimal technical solution of the utility model: and a gap between the drawer type assembling component and the water pumping pipe is filled with a cushion layer.
As an optimal technical solution of the utility model: and sealing mud is filled in the drawer type assembling component in the non-vacuumizing direction, and all gaps in the drawer type multi-working-condition vacuum preloading model box are sealed by the sealing mud.
As an optimal technical solution of the utility model: four vertex angles on the peripheral sides of the model box main body are provided with reaction frame slots, and the reaction frame slots are used for inserting reaction frames.
As an optimal technical solution of the utility model: the pumping holes are uniformly formed in the inner side face of the model box main body.
As an optimal technical solution of the utility model: the model case comprises a model case body and is characterized in that a plurality of water pumping holes are formed in four peripheral side surfaces and one bottom side surface of the model case body, and component slots are formed in the four peripheral side surfaces and one bottom side surface of the model case body.
As an optimal technical solution of the utility model: the water pumping holes are uniformly formed in the inner side face of the model box main body.
As an optimal technical solution of the utility model: and sealing mud is filled in the drawer type assembling component in the non-vacuumizing direction, and all gaps in the drawer type multi-working-condition vacuum preloading model box are sealed by the sealing mud.
The utility model provides a drawer type multiplex condition vacuum pre-compaction mold box compares with prior art, has following beneficial effect:
1) Aiming at the technical barriers that the existing vacuum preloading is difficult to treat the silt clay sand inclusion layer, the drawer type structure is introduced into the vacuum preloading model box to achieve the functions of lateral vacuumizing and simulating various different working conditions, so that the experiment is more suitable for the actual situation, and the technical process is greatly simplified.
2) The utility model provides a drawer type multiplex condition vacuum preloading mold box can be different according to soil body particle size distribution in the experiment, adopts corresponding direction in order to carry out the suction of pertinence vacuum, and can carry out subsequent function development to the component to vacuum preloading under the different operating mode of adaptation.
3) The utility model provides a drawer type multiplex condition vacuum preloading mold box adopts prefabricated formula assembly structure, and the flexibility is extremely strong, conveniently dismantles and reforms transform to realize the combination of multiple direction with this and suction, can more press close to operating condition in the experiment.
Drawings
Fig. 1 is an expanded view of a drawer-type multi-operating-condition vacuum preloading model box provided by the present invention;
FIG. 2 is a diagrammatic view of a mold box body;
FIG. 3 is an illustration of a peripheral side drawer assembly, a bottom side drawer assembly;
figure 4 is a schematic representation of the arrangement of the suction pipes;
in the figure: 1-a mould box body; 2-a peripheral drawer type assembling member; 3-bottom side drawer type assembly members; 4-assembled reaction frame; 5-water pumping holes; 6-component slot; 7-reaction frame slot; 8, a water pumping pipe interface; 9-water suction pipe.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
An assembled multi-working-condition vacuum preloading model box comprises a model box main body 1, peripheral side drawer type assembling components 2, bottom side drawer type assembling components 3 and an assembled reaction frame 4.
Dense water pumping holes 5 are uniformly formed in the inner side surface (including the bottom side surface and the four peripheral side surfaces) of the model box main body 1.
The model case main body 1 is provided with component insertion grooves 6, five in the present embodiment, on the outer side of the inner side surface, respectively provided on the bottom side surface and the four peripheral side surfaces, and accordingly, four peripheral side drawer type fitting members 2 and 1 bottom side drawer type fitting member 3 are respectively inserted into the component insertion grooves 6. The peripheral side drawer fitting and the bottom side drawer fitting are both slidable within corresponding accessory slots of the mold box body.
The peripheral side drawer type assembling member 2 and the bottom side drawer type assembling member 3 are similar in shape and are drawer-shaped, and a water pumping pipe 9 can be coiled in the drawer-shaped assembling members. The peripheral side drawer type assembling component 2 and the bottom side drawer type assembling component 3 are both provided with a water pumping pipe interface 8 for leading out a water pumping pipe 9 from the model box. In the present embodiment, the component slot 6 is provided as a box slot, and therefore, one pumping pipe port 8 is also provided at a position corresponding to the pumping pipe port 8 of the peripheral side drawer type mounting member 2 or the bottom side drawer type mounting member 3.
Four vertex angles on the peripheral side of the model box main body 1 are provided with reaction frame slots 7, and the reaction frame slots 7 are used for inserting the assembled reaction frames 4.
Specifically, above-mentioned assembled multiplex condition vacuum preloading mold box is under construction through following mode:
s1, selecting a direction needing vacuumizing, taking out an assembly component (a peripheral side drawer type assembly component or a bottom side drawer type assembly component) in the corresponding direction, coiling a water pumping pipe in a proper area in the assembly component, arranging a proper cushion layer between the outside of the water pumping pipe and the assembly component, leading the water pumping pipe to the outside of a mold box through a water pumping pipe interface on the assembly component, and further connecting the water pumping pipe with a negative pressure suction device;
s2, filling sealing mud in the assembly components in other directions, inserting all the assembly components into the main body of the model box, and sealing all the gaps with the sealing mud;
s3, arranging a proper cushion layer in the model box, adding a prepared soil body required by the working condition into the cushion layer, and standing to enable the soil body to be uniformly settled;
s4, after instruments required by data measurement are placed in the soil body, sealing treatment is carried out on the upper portion of the model box through sealing cloth and sealing mud;
s5, sequentially connecting a water pumping pipe with a suction flask and a vacuum pump, and starting vacuum preloading construction after checking that the air tightness is correct;
and S6, after the vacuum preloading is finished, if the pile body needs to be pressed in, the prefabricated reaction frame can be inserted into a reaction frame slot on the model box main body to realize the application of force in any direction and any form in the subsequent pile body load-bearing performance test.
The parts of the utility model which are not described all adopt the mature products and the mature technical means in the prior art.
The above-mentioned embodiments are only for explaining the preferred embodiments of the present invention, and not for limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made by the present invention fall within the protection scope of the present invention within the spirit and the protection scope of the claims.
Claims (10)
1. The utility model provides a drawer type multiplex condition vacuum preloading model case, includes the model case main part, its characterized in that: the model box main body is of a box body structure with an open upper part,
a plurality of water pumping holes are formed in at least one inner side face of the model box main body, a component slot is formed in the outer side of the model box main body corresponding to the side face, and a drawer type assembling component is inserted into the component slot;
a water pumping pipe is arranged in the drawer type assembling component, a water pumping pipe interface is arranged on the outer surface of the drawer type assembling component, and the water pumping pipe interface is communicated with one end of the water pumping pipe;
the water pumping holes are communicated with the space of the drawer type assembling component provided with the water pumping pipes.
2. The drawer-type multi-condition vacuum preloading model box as recited in claim 1, wherein: the water pumping pipe is coiled in the drawer type assembling component.
3. The drawer-type multi-operating-condition vacuum preloading model box as recited in claim 2, wherein: the end of the water pumping pipe in the coiling center is a free end.
4. The drawer-type multi-operating-condition vacuum preloading mold box as defined in claim 1, 2 or 3, wherein: and a gap between the drawer type assembling component and the water pumping pipe is filled with a cushion layer.
5. The drawer-type multi-condition vacuum preloading model box as recited in claim 1, wherein: and sealing mud is filled in the drawer type assembling components in the non-vacuumizing direction, and all gaps in the drawer type multi-working-condition vacuum preloading model box are sealed by the sealing mud.
6. The drawer-type multi-operating-condition vacuum preloading type box as defined in claim 1, wherein: four vertex angles on the peripheral sides of the model box main body are provided with reaction frame slots, and the reaction frame slots are used for inserting reaction frames.
7. The drawer-type multi-condition vacuum preloading model box as recited in claim 1, wherein: the water pumping holes are uniformly formed in the inner side face of the model box main body.
8. The drawer-type multi-condition vacuum preloading model box as recited in claim 1, wherein: four week sides of model case main part all are equipped with a plurality of pumping holes on a bottom side, model case main part all is equipped with the component slot in four week sides and a bottom side.
9. The drawer-type multi-condition vacuum preloading mold box of claim 8, wherein: the water pumping holes are uniformly formed in the inner side face of the model box main body.
10. The drawer-type multi-condition vacuum preloading mold box of claim 8, wherein: and sealing mud is filled in the drawer type assembling components in the non-vacuumizing direction, and all gaps in the drawer type multi-working-condition vacuum preloading model box are sealed by the sealing mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222249110.4U CN218508405U (en) | 2022-08-25 | 2022-08-25 | Drawer type multi-working-condition vacuum prepressing model box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222249110.4U CN218508405U (en) | 2022-08-25 | 2022-08-25 | Drawer type multi-working-condition vacuum prepressing model box |
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| CN218508405U true CN218508405U (en) | 2023-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305902A (en) * | 2022-08-25 | 2022-11-08 | 中国电建集团华东勘测设计研究院有限公司 | Drawer type multi-working-condition vacuum prepressing model box |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305902A (en) * | 2022-08-25 | 2022-11-08 | 中国电建集团华东勘测设计研究院有限公司 | Drawer type multi-working-condition vacuum prepressing model box |
| CN115305902B (en) * | 2022-08-25 | 2024-06-11 | 中国电建集团华东勘测设计研究院有限公司 | Drawer type multiplexing Kuang Zhenkong pre-pressing model box |
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