CN218933071U

CN218933071U - Relay drainage structure for dynamic compaction foundation treatment

Info

Publication number: CN218933071U
Application number: CN202222583780.XU
Authority: CN
Inventors: 张军舰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-04-28
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of foundation treatment drainage, and discloses a relay drainage structure for dynamic compaction foundation treatment, which comprises a dynamic compaction foundation and a jarring pit formed by jarring of external jarring equipment, wherein a drill hole is formed in the jarring pit, and an outer pipe is buried in the drill hole.

Description

Relay drainage structure for dynamic compaction foundation treatment

Technical Field

The utility model relates to the technical field of foundation treatment drainage, in particular to a relay drainage structure for dynamic compaction foundation treatment.

Background

The dynamic compaction foundation is an effective foundation reinforcement method which is characterized in that after a large-tonnage rammer is lifted to the height of 6-30m by a crane, the large-tonnage rammer falls freely, foundation soil is rammed with strong impact energy, so that impact waves and great impact stress appear in the soil, soil gaps are forced to compress, soil body is locally liquefied, cracks are formed around ramming points, good drainage channels are formed, pore water and gas escape, soil materials are rearranged, and consolidation is achieved through aging compaction, so that the bearing capacity of the foundation is improved, and the compressibility of the foundation is reduced.

The conventional dynamic compaction foundation treatment method generally combines dewatering measures, the conventional pipe well dewatering and vacuum well point dewatering are adopted frequently, and the conventional pipe well and the conventional vacuum well are poor in vibration resistance and interference resistance, so that the pipe well and the vacuum well can be greatly damaged under the dynamic compaction effect, the subsequent drainage effect and the subsequent efficiency are affected, and therefore, the relay drainage structure for the dynamic compaction foundation treatment is provided.

Disclosure of Invention

The utility model mainly solves the technical problems that conventional pipe well dewatering and vacuum well point dewatering are adopted frequently in the conventional dewatering measures, but the conventional pipe well and the vacuum well are poor in vibration resistance and interference resistance, and can be greatly damaged under the action of dynamic compaction.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the relay drainage structure for dynamic compaction foundation treatment comprises a dynamic compaction foundation and a jarring pit which is jarred and formed through external jarring equipment, wherein a drill hole is formed in the jarring pit, an outer pipe is buried in the drill hole, a plurality of groups of adjusting inner pipes are arranged in the outer pipe, a bearing net is fixedly arranged at the position, close to the edge of the adjusting inner pipes, of the inner bottom of the adjusting inner pipes, a sand bag which is borne by the bearing net is arranged in the adjusting inner pipes, sand stones which can permeate and absorb pore water in the dynamic compaction foundation are filled in the sand bag, and permeation holes for water source permeation are formed in the corresponding positions of the outer pipe and the outer wall of the adjusting inner pipes.

Preferably, the top of the drill hole is provided with a suction pipe which is matched with an external suction pump for sucking air, and the bottom of the suction pipe is fixedly provided with an outer suction cover and a built-in suction pipe which are integrally formed with the suction pipe respectively.

Preferably, the bottom of the outer suction cover is mutually attached to the top edge of the outer tube through a sealing ring, and the bottom of the built-in suction pipe is in contact with the uppermost sand bag to be in a water absorption state.

Preferably, the top edges of the adjusting inner pipes are sequentially provided with round grooves which are distributed in a surrounding mode, the inside of each round groove is provided with mounting screw holes which penetrate through the top edges of the next adjusting inner pipes, and every two groups of mounting screw holes in the inner portions of the adjusting inner pipes are assembled and fixed together through mounting bolts.

Preferably, after the sand inside the sand bags in the adjusting inner pipes absorb water, the adjusting inner pipes can be detached through the mounting bolts to replace the whole sand bags, so that continuous water absorption is realized.

Advantageous effects

The utility model provides a relay drainage structure for dynamic compaction foundation treatment. The beneficial effects are as follows:

(1) This a relay drainage structure for dynamic compaction foundation treatment, this inside integral device of dynamic compaction hole can absorb the hole water that the inside shock of dynamic compaction foundation itself produced and get rid of the use, current dynamic compaction foundation treatment method generally jointly adopts precipitation measure, precipitation measure usually adopts conventional tube well precipitation and vacuum well point precipitation, because conventional tube well and vacuum well shock resistance and interference performance are poor, can produce great destruction to tube well and vacuum well under the dynamic compaction effect, influence follow-up drainage effect and efficiency, when the dynamic compaction foundation under the dynamic compaction effect, this drilling is inside to be provided with the regulation inner tube of multiunit range installation through the outer tube inside, the inside sand bag that has the inside water sand and stone that absorbs water through bearing network is provided with of regulation inner tube, at this moment the inside pore water that produces under the dynamic compaction foundation can permeate into the inside water sand and stone absorption contact of the inside of inner tube through the osmotic hole of outer tube, and the sand and stone absorption of multiunit sand bag extends to the bottom depths of the drilling, can effectively absorb the collection with the inner tube that produces through sand and the top of the sand and have the top of the inside shock hole and have the well to influence on subsequent drainage effect and efficiency, and the inside water source is equipped with the water source is filled with the inside suction pipe of the suction pipe through the top of the water source, the inside the suction pipe is filled with the suction pipe is reached in the top of the suction pipe is filled with the inside the suction pipe.

(2) This a relay drainage structure for dynamic compaction foundation treatment, this inside multiunit of outer tube is adjusted the inner tube in butt joint when arranging, can make mounting bolt and circular slot internally mounted screw thread assembly through the circular slot that top edge department was seted up on each group of adjusting the inner tube, be fixed assembly between the inner tube is adjusted to every two groups, and every two groups adjust the inner tube and be butt joint installation, after adjusting the inside sand bag of inner tube and absorb water collection, can promote the multiunit with adjusting the inner tube and dismantle in proper order and change new sand bag and make the use of absorbing water again in succession, thereby reach the effect of convenient continuous quick water absorption and discharge use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1A in accordance with the present utility model;

FIG. 3 is a schematic view of a portion of a conditioning inner tube according to the present utility model;

FIG. 4 is an enlarged view of C of FIG. 3 in accordance with the present utility model;

fig. 5 is an enlarged view of B of fig. 1 in accordance with the present utility model.

Legend description:

1. dynamic compaction of the foundation; 2. a jarring pit; 3. drilling holes; 4. an outer tube; 5. adjusting the inner tube; 6. a carrier web; 7. a sand bag; 8. a penetration hole; 9. a water suction pipe; 10. an outer suction cover; 11. a suction pipe is arranged in the inner container; 12. a circular groove; 13. installing a screw hole; 14. installing a bolt; 15. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: 1-5, a relay drainage structure for dynamic compaction foundation treatment comprises a dynamic compaction foundation 1 and a shock pit 2 formed by shock of external shock equipment, wherein a drill hole 3 is formed in the shock pit 2, an outer pipe 4 is buried in the drill hole 3, a plurality of groups of adjusting inner pipes 5 are arranged in the outer pipe 4, a bearing net 6 is fixedly arranged at the position, close to the edge of the adjusting inner pipes 5, of the inner bottom of the adjusting inner pipes 5, a sand bag 7 carried by the bearing net 6 is arranged in the adjusting inner pipes 5, sand and stone capable of penetrating and absorbing pore water in the dynamic compaction foundation 1 are filled in the sand bag 7, penetrating holes 8 for water source penetration are formed in the positions, corresponding to the outer walls of the outer pipe 4 and the adjusting inner pipes 5, a water absorbing pipe 9 which is matched with an external suction pump for absorbing air is arranged at the top of the drill hole 3, the bottom of the water suction pipe 9 is fixedly provided with an outer suction cover 10 and a built-in suction pipe 11 which are integrally formed with the water suction pipe 9 respectively, the bottom of the outer suction cover 10 is mutually attached to the top edge position of the outer pipe 4 through a sealing ring 15, the bottom of the built-in suction pipe 11 is in a water suction state in contact with the uppermost sand bag 7, round grooves 12 which are circumferentially distributed are sequentially formed in the top edge position of the multi-group adjusting inner pipe 5, mounting screw holes 13 which penetrate through the top edge position of the next group of adjusting inner pipe 5 are formed in the round grooves 12, the mounting screw holes 13 in the inner parts of every two groups of adjusting inner pipes 5 are assembled and fixed together through mounting bolts 14 in a threaded manner, and sand and stones in the sand bags 7 in the adjusting inner pipes 5 can be detached through the mounting bolts 14 after absorbing water sources, and the sand bags 7 are replaced integrally.

The working principle of the utility model is as follows:

the whole device inside the dynamic compaction foundation 1 can absorb and remove pore water generated by the dynamic compaction of the dynamic compaction foundation 1, under the action of dynamic compaction, the inner part of the drilling hole 3 is internally provided with a plurality of groups of adjusting inner pipes 5 which are arranged and installed through the outer pipe 4, the inner part of the adjusting inner pipe 5 is provided with sand bags 7 which are internally stored with water-absorbing sand stones through a bearing net 6, at the moment, the pore water generated by the dynamic compaction of the inner part of the dynamic compaction foundation 1 can permeate into the adjusting inner pipe 5 through the outer pipe 4 and the penetrating holes 8 in the inner part of the adjusting inner pipe 5 to be contacted with the water-absorbing sand stones in the sand bags 7 to be absorbed by sand, and the plurality of groups of sand bags 7 extend to the deep bottom of the drilling hole 3, so that the generated water source can be effectively absorbed and collected by the sand bags 7, the top of the dynamic compaction foundation 2 is provided with water-absorbing pipes 9 which are matched with external suction equipment, and the water-absorbing pipes 9 can enable water sources in the inner parts of the adjusting inner pipes 5 to flow upwards through sealing rings 15 at the bottom of the outer layer suction covers 10 to be attached to the top edges of the uppermost drilling hole 3, thereby improving the drainage efficiency and the drainage efficiency.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A relay drainage structures for dynamic compaction foundation treatment, including dynamic compaction foundation (1) and through outside jarring equipment jar fashioned jar hole (2), drilling (3) have been seted up to the inside in jar hole (2), its characterized in that: the inside of drilling (3) has buried outer tube (4), the inside of outer tube (4) is provided with multiunit regulation inner tube (5), it has carrier web (6) to adjust the inside bottom of inner tube (5) and be close to regulation inner tube (5) edge position fixed mounting, the inside of adjusting inner tube (5) is provided with sand bag (7) that bear with carrier web (6), the inside packing of sand bag (7) has can carry out osmotic absorbing grit to dynamic compaction ground (1) inside pore water, outer tube (4) and the outer wall corresponding position of adjusting inner tube (5) all have seted up infiltration hole (8) that are used for the water source infiltration.

2. The relay drainage structure for dynamic compaction foundation treatment according to claim 1, wherein: the top of the drilling hole (3) is provided with a suction pipe (9) which is matched with an external suction pump for sucking air, and the bottom of the suction pipe (9) is fixedly provided with an outer suction cover (10) and a built-in suction pipe (11) which are integrally formed with the suction pipe (9) respectively.

3. The relay drainage structure for dynamic compaction foundation treatment according to claim 2, wherein: the bottom of the outer suction cover (10) is mutually attached to the top edge of the outer tube (4) through a sealing ring (15), and the bottom of the built-in suction tube (11) is in contact with the uppermost sand bag (7) to be in a water absorption state.

4. The relay drainage structure for dynamic compaction foundation treatment according to claim 1, wherein: round grooves (12) which are distributed in a surrounding manner are sequentially formed in the top edges of the inner adjusting pipes (5), mounting screw holes (13) which penetrate through the top edges of the inner adjusting pipes (5) in the next group are formed in the round grooves (12), and the mounting screw holes (13) in the inner adjusting pipes (5) in every two groups are assembled and fixed together through mounting bolts (14) in a threaded manner.

5. The relay drainage structure for dynamic compaction foundation treatment of claim 4, wherein: after the sand inside the sand bag (7) in the inner adjusting pipe (5) absorbs water, the sand bag (7) can be replaced again through the installation bolts (14) after the sand bags (5) are disassembled to enable continuous water absorption.