CN219195917U

CN219195917U - Foundation anti-sedimentation structure

Info

Publication number: CN219195917U
Application number: CN202223420181.2U
Authority: CN
Inventors: 王广生; 章传汀; 孙均春; 邱其豪; 刘公天
Original assignee: Fujian Jiuding Construction Engineering Co Ltd
Current assignee: Fujian Jiuding Construction Engineering Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-16
Anticipated expiration: 2032-12-20

Abstract

The application relates to the technical field of foundation subsidence, a foundation anti-subsidence structure is disclosed, including the sand well and install first drainage portion and second drainage portion in the sand well, first drainage portion with second drainage portion sets gradually along the length direction of sand well, and first drainage portion is located the below of second drainage portion, and first drainage portion includes the sand bag, and second drainage portion includes the outer tube and cup joints the inner tube in the outer tube, the outer tube with the both ends of inner tube all have the opening, and the outer wall laminating of outer tube is on the sand well inner wall, and the lower extreme butt of inner tube is on the sand bag, and the inner tube intussuseption is filled with the grit, and the inner tube pipe wall distributes has the hole of permeating water that is used for with the outer tube intercommunication, the outer tube inner wall with the inner tube inner wall leaves the clearance, is connected with the connecting piece between sand bag and the outer tube. This application can destroy the vertical drainage channel in the ground, consequently can reduce the ground and appear the condition emergence that post-construction subsided.

Description

Foundation anti-sedimentation structure

Technical Field

The application relates to the technical field of foundation settlement, in particular to a foundation settlement prevention structure.

Background

The deformation and sedimentation of the foundation can occur due to the large water content of the soil or the large gaps. At present, in order to reduce the foundation settlement, water in the foundation is generally required to be discharged, so that soil in the foundation is solidified, and the foundation settlement problem can be fundamentally improved.

The structure that the foundation subsided is as shown in figure 1, including being located the sand well 1 in the foundation, install long banding sand bag 2 in the sand well 1, the ground surface has laid sand bed course 3, water collecting pipe 4 has in the sand bed course 3, sand bed course 3 upper cover has plastic film 5, plastic film 5 is with sand bed course 3 cladding, still keep still on the sand bed course 3 and be used for the pressurized heap of foundation to carry filling soil 6, sand bag 2 is as vertical drainage channel in bags, thereby make the water in the foundation can upwards be discharged to sand bed course 3 along sand well 1 in, drain pipe 11 is connected with the suction pump, consequently can take out the water in the foundation, make the soil texture in the foundation concretion, thereby fundamentally improve the problem that the foundation subsided.

In view of the above-mentioned related art, the inventors found that when the water content in the foundation is reduced and the superstructure is constructed on the foundation, the sand well 1 remains in the foundation, and there is a case where water in the foundation continues to be discharged upward, thereby causing a post-construction settlement.

Disclosure of Invention

In order to reduce the occurrence of post-construction settlement of a foundation, the application provides a foundation settlement prevention structure.

The application provides a foundation anti-sedimentation structure, adopts following technical scheme:

the utility model provides a foundation anti-sedimentation structure, includes the sand well and install in first drainage portion and the second drainage portion in the sand well, first drainage portion with the second drainage portion sets gradually along the length direction of sand well, first drainage portion is located the below of second drainage portion, first drainage portion includes the sand bag, second drainage portion includes the outer tube and cup joints the inner tube in the outer tube, the outer tube with the both ends of inner tube all have the opening, the outer wall laminating of outer tube is on the sand well inner wall, the lower extreme butt of inner tube is on the sand bag, the inner tube intussuseption is filled with the grit, the inner tube pipe wall distributes and is used for the hole that permeates water with the outer tube intercommunication, the outer tube inner wall with the inner tube inner wall leaves the clearance, the sand bag with be connected with the connecting piece between the outer tube.

Through adopting above-mentioned technical scheme, first drainage portion and the second drainage portion of installation link together in the sand well, consequently, first drainage portion and second drainage portion form vertical drainage channel, the ground is outside the upwards discharge foundation of water in the ground along first drainage portion and second drainage portion, after the foundation drainage is finished, pour into mortar between outer tube and the inner tube, in the hole that permeates water of partial mortar follow inner tube gets into the inner tube, the mortar is filled in the grit of inner tube, make second drainage portion by the mortar shutoff, second drainage portion loses the ability of upwards draining, thereby the vertical drainage channel in the ground has been destroyed, consequently, can reduce the condition emergence that the post-construction subsides appear in the ground.

Optionally, the connecting piece is the go-between, go-between fixed mounting in on the sand bag, the go-between outer wall laminating in on the sand well inner wall, have on the go-between and supply the outer tube male annular.

Through adopting above-mentioned technical scheme, after the sand bag is installed in the sand well, slide the outer tube in the sand well again along sand well inner wall makes the outer tube can peg graft in the tie-in ring, outer tube and sand bag form relation of connection, then install the inner tube in the outer tube.

Optionally, the lower extreme of inner tube is connected with the installation cover that is used for covering the upper end of establishing the sand bag, the installation cover keep away from the one end internal diameter of inner tube is greater than the internal diameter of inner tube.

Through adopting above-mentioned technical scheme, increase the area of contact of inner tube and sand bag through the installation cover to make the inner tube can more stable butt on the sand bag.

Optionally, the outer wall of the mounting cover abuts against the inner wall of the connecting ring.

Through adopting above-mentioned technical scheme, the installation cover can play the location effect to the go-between, makes the go-between keep vertical state betterly.

Optionally, the locating lever is installed to inner tube outer tube wall, the locating lever is followed the week side equipartition of inner tube, the locating lever is kept away from the one end of inner tube with the laminating of outer tube inner wall.

Through adopting above-mentioned technical scheme, the inner tube can place in the outer tube in the middle through the locating lever, and when the outer tube intussuseption was filled with mortar, mortar can the equipartition in the outer tube.

Optionally, the installation piece is installed to the interval in the inner tube, the periphery side and the inner tube pipe wall laminating of installation piece, first perforation has been seted up to the periphery side of installation piece, first perforation with the hole intercommunication that permeates water, the second perforation has been seted up on the terminal surface of installation piece, first perforation with the second perforation communicates each other.

Through adopting above-mentioned technical scheme, when the mortar is poured into in the outer tube, in the mortar got into first perforation and second perforation through the hole that permeates water, the mortar was filled in first perforation and second perforation back, and the water in the separation foundation upwards transmits to the installation piece, and the separation effect of a plurality of installation pieces is stronger.

Optionally, a drain pipe is installed in the inner pipe, and drain holes are distributed on the drain pipe.

By adopting the technical scheme, when water flows upwards along the inner pipe, part of the water flows into the drain pipe, and the drain pipe can accelerate the drainage speed of the inner pipe.

Optionally, the drain pipe passes between the installation piece, the drain pipe passes through the wash port with the first perforation intercommunication of installation piece.

By adopting the technical scheme, when the installation block is installed, the drain pipe is firstly installed in the inner pipe, and then the installation block slides into the inner pipe along the drain pipe.

In summary, the present application includes at least one of the following beneficial effects:

1. when the foundation drainage is finished, the mortar is filled in the outer pipe and the inner pipe, so that the second drainage part loses the upward drainage capacity, and a vertical drainage channel in the foundation is damaged, and the occurrence of post-construction settlement of the foundation can be reduced;

2. when the mortar enters the mounting block, the drainage channel in the inner pipe is blocked by sections, so that the upward drainage capacity of the second drainage part is further weakened.

Drawings

FIG. 1 is a schematic view of a foundation anti-settling structure in the related art;

FIG. 2 is a first drain portion and a second drain portion of an embodiment of the present application;

fig. 3 is a sectional view showing a specific structure of a second drain portion according to an embodiment of the present application;

FIG. 4 is an enlarged schematic view at A of FIG. 3;

fig. 5 is a schematic view showing the mounting of the mounting block on the inner tube according to the embodiment of the present application.

Reference numerals illustrate: 1. a sand well; 2. a sand bag; 3. a sand cushion layer; 4. a water collecting pipe; 5. a plastic film; 6. stacking and filling soil; 7. a first water discharge part; 8. a second water discharge part; 81. an outer tube; 82. an inner tube; 821. a mounting cover; 822. a water permeable hole; 823. a positioning rod; 9. a connecting ring; 91. a ring groove; 10. a mounting block; 101. a first perforation; 102. a second perforation; 11. a drain pipe; 110. and a drain hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-5.

The embodiment of the application discloses a foundation anti-sedimentation structure. Referring to fig. 2, a foundation anti-settling structure includes a sand well 1, and a first drainage part 7 and a second drainage part 8 installed in the sand well 1, the first drainage part 7 and the second drainage part 8 being sequentially disposed along a length direction of the sand well 1. The first drain portion 7 is located below the second drain portion 8.

Referring to fig. 3, the first drainage part 7 includes a sand bag, the second drainage part 8 includes an outer pipe 81 and an inner pipe 82 sleeved in the outer pipe 81, a gap is left between the inner wall of the outer pipe 81 and the outer wall of the inner pipe 82, and both ends of the outer pipe 81 and the inner pipe 82 are provided with openings. The outer tube 81 is attached to the inner wall of the sand well 1, a connecting piece is connected between the outer tube 81 and the sand bag 2, and the lower end of the inner tube 82 is abutted to the sand bag 2. The inner pipe 82 is filled with sand, water permeable holes 822 communicated with the outer pipe 81 are distributed on the pipe wall of the inner pipe 82, water in the sand bag 2 mainly flows upwards along the inner pipe 82, and part of water enters the outer pipe 81.

Referring to fig. 4, the connector is a connecting ring 9, the connecting ring 9 is fixedly adhered to the sand bag 2, and the connecting ring 9 enters the sand well 1 along with the sand bag 2. The outer wall of the connecting ring 9 is attached to the inner wall of the sand well 1, the connecting ring 9 is provided with a ring groove 91 into which the outer tube 81 is inserted, and when the lower end of one end of the outer tube 81 is inserted into the ring groove 91, the inner wall of the outer tube 81 is attached to the wall of the ring groove 91.

Referring to fig. 4, a mounting cover 821 for covering the upper end of the sand bag 2 is connected to the lower end of the inner tube 82, and the inner diameter of the end of the mounting cover 821 away from the inner tube 82 is larger than the inner diameter of the inner tube 82, so that the inner tube 82 increases the contact area between the inner tube 82 and the sand bag 2 through the mounting cover 821. The outer wall of the mounting cover 821 abuts against the inner wall of the connection ring 9. The inner tube 82 maintains the connection ring 9 in a vertical state through the mounting cover 821, and improves the connection tightness of the outer tube 81 and the connection ring 9.

Referring to fig. 4 and 5, when the sand bag 2 is installed into the sand well 1, the outer tube 81 is installed into the sand well 1, and the inner tube 82 is installed after the outer tube 81 can be vertically inserted into the connection ring 9. In order to enable the inner tube 82 to slide into the outer tube 81 while being coaxial with the outer tube 81, positioning rods 823 are mounted on the outer tube 81 wall of the inner tube 82, and the positioning rods 823 are uniformly spaced apart along the circumferential direction of the inner tube 82. When the inner rod slides in the outer tube 81, one end of the positioning rod 823 is attached to the inner wall of the outer tube 81 and slides on the inner wall of the outer tube 81.

Referring to fig. 4 and 5, the mounting blocks 10 are installed at intervals in the inner tube 82, and the cross section of the mounting block 10 is of a circular structure. The outer peripheral side of the mounting block 10 is bonded to the wall of the inner tube 82, and the outer peripheral side of the mounting block 10 is provided with a first through hole 101, and the first through hole 101 extends in the radial direction of the mounting block 10. When the mounting block 10 is mounted in the inner tube 82, the first through hole 101 communicates with the water permeable hole 822. A second through hole 102 is formed in the end surface of the mounting block 10, and water flow in the inner tube 82 can flow upward along the second through hole 102. The second perforation 102 communicates with the first perforation 101. When the mortar is injected into the outer pipe 81, the mortar enters the first perforation 101 and the second perforation 102, and the mortar can plug the mounting block 10, so that the mounting plate can block water in the foundation from being continuously conveyed upwards.

Referring to fig. 4 and 5, a drain pipe 11 is further installed in the inner pipe 82, drain holes 110 are distributed on the outer wall of the drain pipe 11, and the lower end of the drain pipe 11 is a closed end. The water in the foundation pit enters the drain pipe 11 through the inner pipe 82, and part of the water in the inner pipe 82 can be rapidly discharged through the drain pipe 11. The installation block 10 is provided with a through hole for the water supply and drainage pipe 11 to pass through, and the installation block 10 and the through hole are coaxial. The drain pipe 11 is first installed in the inner pipe 82 and then installed at intervals in the installation block 10, the installation block 10 enables the drain pipe 11 to be in a centered position, and the drain pipe 11 enables the installation block 10 to vertically slide into the inner pipe 82. After one mounting block 10 is installed, the inner tube 82 is filled with a certain amount of sand and then the next mounting block 10 is installed.

After the installation block 10 is installed on the inner pipe 82, the drain pipe 11 communicates with the first through hole 101 of the installation block 10 through the drain hole 110, so that the mortar can also block the drain pipe 11.

The implementation principle of the foundation anti-sedimentation structure provided by the embodiment of the application is as follows:

when the foundation is subjected to settlement prevention treatment, the first drainage part 7 and the second drainage part 8 form a vertical drainage channel for drainage, so that after the soil in the foundation is solidified, mortar is injected into the first drainage part 7, the first drainage part 7 is blocked by the mortar, water in the foundation is not discharged outwards through the second drainage part 8, and the settlement after the foundation construction is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a foundation prevents subsiding structure which characterized in that: including sand well (1) and install in first drainage portion (7) and second drainage portion (8) in sand well (1), first drainage portion (7) with second drainage portion (8) set gradually along the length direction of sand well (1), first drainage portion (7) are located the below of second drainage portion (8), first drainage portion (7) include sand bag (2), second drainage portion (8) include outer tube (81) and cup joint inner tube (82) in outer tube (81), outer tube (81) with both ends of inner tube (82) all have the opening, the outer wall laminating of outer tube (81) is on sand well (1) inner wall, the lower extreme butt of inner tube (82) is on sand bag (2), inner tube (82) intussuseption is filled with the grit, inner tube (82) pipe wall distributes and is used for permeating water hole (822) with outer tube (81) intercommunication, inner tube (82) and inner tube (82) have clearance between inner tube (81) and outer tube (81) are connected with sand bag (2).

2. A foundation anti-settling structure as claimed in claim 1, wherein: the connecting piece is a connecting ring (9), the connecting ring (9) is fixedly installed on the sand bag (2), the outer wall of the connecting ring (9) is attached to the inner wall of the sand well (1), and the connecting ring (9) is provided with a ring groove (91) for the outer tube (81) to be inserted into.

3. A foundation anti-settling structure as claimed in claim 2, wherein: the lower end of the inner tube (82) is connected with a mounting cover (821) used for covering the upper end of the sand bag (2), and the inner diameter of one end, far away from the inner tube (82), of the mounting cover (821) is larger than the inner diameter of the inner tube (82).

4. A foundation anti-settling structure as claimed in claim 3, wherein: the outer wall of the mounting cover (821) is abutted against the inner wall of the connecting ring (9).

5. A foundation anti-settling structure as claimed in claim 1, wherein: the positioning rods (823) are uniformly distributed along the periphery of the inner tube (82), and one end, away from the inner tube (82), of the positioning rods (823) is attached to the inner wall of the outer tube (81).

6. A foundation anti-settling structure as claimed in claim 1, wherein: install installation piece (10) in inner tube (82) interval, the periphery side and the laminating of inner tube (82) pipe wall of installation piece (10), first perforation (101) have been seted up to the periphery side of installation piece (10), first perforation (101) with hole (822) that permeates water communicates, second perforation (102) have been seted up on the terminal surface of installation piece (10), first perforation (101) with second perforation (102) communicate each other.

7. The foundation anti-settling structure of claim 6, wherein: the inner pipe (82) is internally provided with a drain pipe (11), and drain holes (110) are distributed on the drain pipe (11).

8. The foundation anti-settling structure of claim 7, wherein: the drain pipe (11) is arranged between the mounting blocks (10) in a penetrating mode, and the drain pipe (11) is communicated with the first perforation (101) of the mounting blocks (10) through the drain hole (110).