CN114045810B

CN114045810B - Soft soil foundation reinforcement processing apparatus

Info

Publication number: CN114045810B
Application number: CN202111472682.2A
Authority: CN
Inventors: 庞华; 黄阳杰; 姜梅玲; 席锐超; 邱际; 詹敏杰
Original assignee: Zhejiang Guangchuan Engineering Consulting Co Ltd
Current assignee: Zhejiang Guangchuan Engineering Consulting Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-12-30
Anticipated expiration: 2041-12-06
Also published as: CN114045810A

Abstract

The invention discloses a soft soil foundation reinforcement processing device which comprises a plurality of fastening units arranged in a matrix manner, wherein all the fastening units are inserted into a soft soil layer, two adjacent fastening units are respectively abutted against each other, the main body part of each fastening unit is hollow, the side part of each fastening unit is provided with a longitudinal notch, broken stones are filled in the fastening units, and the broken stones overflow from the longitudinal notches to the circumferential fastening units, so that a reinforcement space is formed by gaps between the adjacent fastening units. The invention can form the fastening unit integral support with adaptive depth aiming at soft soil layers with different depths, so that the treatment of the whole foundation can achieve higher strength and can also reduce the construction cost.

Description

Soft soil foundation reinforcement processing apparatus

Technical Field

The invention relates to the technical field of road construction, in particular to a soft soil foundation reinforcement treatment device.

Background

Soft soil foundations are a condition often encountered in construction. In order to construct and construct a soft foundation, reinforcement of the soft foundation is often required. If the soft soil foundation is not firmly reinforced, the reinforcement is not in place, and the settlement in the future is easily caused, thereby causing huge potential safety hazard.

The existing common construction mode such as dynamic compaction adopts a plum blossom or square weight to firstly array the position of a tamping point, after the first dynamic compaction is finished, a bulldozer is used for pushing flat, and the dynamic compaction is continuously carried out for two or even more times. However, the foundation soil layers are distributed in a layered manner, the strength difference between the layers is large, as shown in the attached drawing 1, the height difference of the soft soil layers at different positions is large, and the foundation is not easy to be flexibly and effectively treated when being reinforced.

In order to solve the problems, the scheme is developed accordingly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a soft soil foundation reinforcement treatment device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a soft soil foundation consolidates processing apparatus, includes a plurality of fastening unit that the matrix was laid, and all fastening units all insert locate soft soil layer in and two adjacent fastening units lean on respectively, the inside cavity of fastening unit main part, and the lateral part has seted up vertical notch, and its inside is put full rubble and spills over between the fastening unit of circumference through vertical notch for the space is consolidated in the clearance formation between the adjacent fastening unit.

Preferably, the longitudinal section of the fastening unit is i-shaped, the fastening unit comprises a sleeve, the upper end and the lower end of the sleeve are respectively connected with the annular sleeve seat and integrally formed with the annular sleeve seat, and the longitudinal groove opening is formed along the circumferential direction of the sleeve and penetrates through the inner side and the outer side of the sleeve.

Preferably, the upper annular sleeve seat and the lower annular sleeve seat of the sleeve are circumferentially provided with horizontally arranged abutting components, and when the sleeve is inserted into a soft soil layer at a corresponding position, the adjacent abutting components are in an abutting state.

Preferably, the butt component is including locating the butt piece in the annular cover seat, and the notch with butt piece size looks adaptation is seted up to the department level that corresponds of annular cover seat, and the medial extremity of two butt pieces is equipped with the outer piece that pushes away for the butt piece receives the effort of outside promotion all the time when not having the atress, including spacing groove frame, it inwards extends to annular cover seat inboardly, the butt piece is at notch and spacing inslot horizontal slip.

Preferably, the pushing-out piece is a compressed spring I, the abutting blocks are arranged on two sides of the annular sleeve seat, and the spring I is connected with the inner ends of the two abutting blocks.

Preferably, the outward pushing part comprises a first magnet fixed in the middle of the annular sleeve seat through a connecting block, the abutting blocks are arranged on four sides of the annular sleeve seat, and second magnets are arranged at the inner side ends of the abutting blocks, wherein the first magnets and the second magnets have the same magnetism.

Preferably, the butt joint block is longitudinally provided with a groove, a top block is arranged in the groove, the bottom of the top block is connected with the bottom of the inner wall of the groove through a second spring, an embedding groove is formed in the outer edge of the annular sleeve seat, and the top block is upwards clamped into the embedding groove after the butt joint block moves outwards.

(III) advantageous effects

After adopting the technical scheme, compared with the prior art, the invention has the following advantages: the invention can form the fastening unit integral support with adaptive depth aiming at soft soil layers with different depths, so that the treatment of the whole foundation can reach higher strength, and simultaneously can reduce the construction cost.

Drawings

FIG. 1 is a schematic view of the construction process of the present invention;

FIG. 2 is a schematic view of the hollow ground pile structure of the present invention;

FIG. 3 is a schematic view of the present invention;

FIG. 4 is a schematic view of a fastening unit according to one embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a bottom view of the fastening unit according to one embodiment of the present invention;

FIG. 7 is a schematic top view of a partial structure of a fastening unit according to a second embodiment of the present invention;

fig. 8 is a disassembled view of the hollow ground pile structure of the present invention.

In the figure: 1. a fastening unit; 01. a sleeve; 02. an annular sleeve seat; 2. a longitudinal slot; 3. a butting block; 4. a notch; 5. a first spring; 6. a limiting groove frame; 7. a magnet I; 8. a second magnet; 9. a groove; 10. a top block; 11. a second spring; 12. caulking grooves; 13. a steel cord; 14. high-speed shunting; 15. a cover is turned; 16. a sandstone input port; 17. hollow ground piles; 171. an annular shell column; 172. tamping a hammer head; 173. a support bar; 174. a limiting block; 175. a chute; 176. an annular groove.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

As shown in fig. 1-2: a soft soil foundation reinforcement treatment device comprises a concrete construction reinforcement method

Firstly, performing primary evaluation according to the combination performance information of soil quality of a soft soil layer and the depth information of the soft soil layer, and determining the number of fastening units 1 to be embedded in the vertical direction; secondly, hammering hollow ground piles 17 with certain weight into the soft soil layer to a preset depth (drainage operation can be performed firstly) through a height-adjustable vehicle 14 connected with the steel cables 13, and sequentially putting the fastening units 1 into the hollow ground piles 17 according to the required number to fall to the corresponding depth; step three, covering the flip cover 15 at the top of the hollow ground pile 17, wherein the middle part of the flip cover 15 is provided with a sandstone input port 16 which is over against the middle part of the sleeve 01 in the vertical direction, and the sandstone is poured into the fastening unit 1 and gradually lifts the hollow ground pile 17 when overflowing; and step four, finally, compacting the soft soil foundation by using a roller press, and repeatedly until the surface is basically level.

Since the hollow ground pile 17 needs to be hammered to a certain depth as well as to place the fastening unit 1, it is impossible to place the fastening unit 1 to a soil layer of a corresponding depth when the hollow ground pile 17 is taken out upward. Therefore, the present solution is a corresponding improvement for the hollow ground pile 17.

Referring specifically to fig. 8, the hollow ground pile 17 is divided into two parts, including an outer annular shell pillar 171 and an inner ram head 172, the size of the ram head 172 is adapted to the bottom of the annular shell pillar 171, so that soil does not enter between the two parts when hammering. The rammer head 172 is connected with a support rod 173 extending to the upper end of the hollow ground pile 17, two sides of the support rod 173 are provided with limit blocks 174, the inner wall of the annular shell column 171 is provided with a longitudinal sliding groove 175, and a corresponding height is provided with an annular groove 176, the limit blocks 174 slide into the annular groove 176 through the sliding groove 175, and are fixed with the annular shell column 171 after rotating, when the fastening unit 1 needs to be placed, the support rod 173 is rotated to align the limit blocks 174 with the sliding groove 175, and the rammer head 172 is connected with the limit blocks to pull out the annular shell column 171.

Example one

Referring to the attached drawings 3-6, the soft soil foundation reinforcing treatment device comprises a plurality of fastening units 1 distributed in a matrix manner, all the fastening units 1 are inserted into a soft soil layer, two adjacent fastening units 1 abut against each other respectively, the main body part of each fastening unit 1 is hollow, and the side part of each fastening unit 1 is provided with a longitudinal notch 24.

The fastening units 1 can be filled with crushed stones and overflow between the circumferential fastening units 1 through the longitudinal notches 24, so that the gaps between adjacent fastening units 1 form a reinforcing space to further strengthen the hardness of the soft soil layer. Secondly when pressing down at the permanent local effort in arbitrary department, lead to the soft soil layer problem of sinking to appear easily, consequently two adjacent fastening unit 1 respectively offset lean on, and cooperate the tight rubble of placing of circumference for the effort that receives can be partly towards the transmission of lateral fastening unit 1, increases foundation bearing capacity, and the reduction settlement problem appears.

The longitudinal section of the fastening unit 1 is in an I shape, the fastening unit comprises a sleeve 01, the upper end and the lower end of the sleeve 01 are respectively connected with an annular sleeve seat 02 and integrally formed with the annular sleeve seat, and a longitudinal groove 24 is formed along the circumferential direction of the sleeve 01 and penetrates through the inner side and the outer side of the sleeve 01.

The circumference of two upper and lower annular cover seats 02 of sleeve 01 is provided with the butt component of horizontal arrangement, and adjacent butt component is in the state of offseting when sleeve 01 is whole to be inserted to the soft soil layer department of relevant position.

The concrete structure mode that increases horizontal direction area of contact of expanding outward of butt joint piece 3 is as follows, and the butt component is including locating butt joint piece 3 in the annular cover seat 02, and the notch 4 with 3 size looks adaptations of butt joint piece is seted up to the corresponding department level of annular cover seat 02, and the medial extremity of two butt joint pieces 3 is equipped with the outer piece that pushes away for butt joint piece 3 receives the effort of outside promotion all the time when not having the atress.

Wherein the rubble overflows between two upper and lower butt piece 3 and the below of fastening unit 1, and then gives whole fastening unit 1 with the holding power from the below on one hand, and the butt piece 3 that adds the contact surface outwards gives with vertical holding power on the other hand, and then reducible fastening unit 1 resistance of sinking.

It should be noted that it is preferable that the abutting block 3 between two adjacent fastening units 1 can be fastened by a fastening action, such as by bolting or by providing a matching block slot.

Wherein the outer pushing piece is a compressed spring I5, the abutting blocks 3 are arranged on two sides of the annular sleeve seat 02, and the spring I5 is connected with the inner side ends of the two abutting blocks 3.

The butt joint block 3 is longitudinally provided with a groove 9, a top block 10 is arranged in the groove 9, the bottom of the top block 10 is connected with the bottom of the inner wall of the groove 9 through a second spring 11, an embedded groove 12 is formed in the outer edge of the annular sleeve seat 02, and the top block 10 is clamped upwards into the embedded groove 12 after the butt joint block 3 moves outwards.

Fastening unit 1 inserts the cavity ground stake 17 of establishing through pre-buried in advance, and cavity ground stake 17 internal diameter is slightly bigger the radial dimension of annular cover seat 02 for butt piece 3 can be by inside pressfitting, makes kicking block 10 can be pushed down in recess 9 simultaneously, when extracting cavity ground stake 17, and butt piece 3 can receive the thrust of pushing out the piece and deviate from outward, and the kicking block 10 imbeds in the corresponding caulking groove 12 simultaneously, and then makes butt piece 3 fixed no longer the internal shrinkage.

Still include spacing cell frame 6, it is inboard to annular cover seat 02 inwards, and butt block 3 is at notch 4 and spacing cell frame 6 internal horizontal slip. The limiting groove frame 6 limits the horizontal movement of the abutting block 3 to prevent the abutting block from separating from the position; and secondly, when the abutting block 3 does not extend out of the annular sleeve seat 02, the limit groove frame 6 can press the top block 10 for limiting.

Example two

The present embodiment is an improvement of the abutment member on the sleeve 01 in the fastening unit 1, and the rest of the structure is the same as the structure of the fastening unit 1 of the embodiment. In the first embodiment, due to the structural limitation, only two opposite abutment blocks 3 can be arranged on the annular sleeve seat 02, and the coupling effect with the abutment blocks 3 on the adjacent fastening units 1 is relatively poor. Therefore, the outer push piece seat is modified, as shown in fig. 7, wherein the outer push piece is provided with a first magnet 7 fixed in the middle of the annular sleeve seat 02 through a connecting block, the abutting blocks 3 are provided on four sides of the annular sleeve seat 02, and the inner ends of the abutting blocks 3 are provided with a second magnet 8, wherein the first magnet 7 and the second magnet 8 are the same in magnetism. And the abutting block 3 can be pushed by the pushing piece to be separated outwards.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and the protection scope must be determined by the scope of the claims.

Claims

1. The utility model provides a soft soil foundation consolidates processing apparatus which characterized in that: the soil-loosening device comprises a plurality of fastening units arranged in a matrix manner, wherein all the fastening units are inserted into a soft soil layer, two adjacent fastening units are abutted against each other respectively, the main body parts of the fastening units are hollow, longitudinal notches are formed in the side parts of the fastening units, broken stones are fully filled in the fastening units, and the broken stones overflow from the fastening units in the circumferential direction through the longitudinal notches, so that gaps between the adjacent fastening units form a reinforcing space;

the longitudinal section of the fastening unit is I-shaped and comprises a sleeve, the upper end and the lower end of the sleeve are respectively connected with the annular sleeve seat and integrally formed with the annular sleeve seat, and the longitudinal groove opening is formed along the circumferential direction of the sleeve and penetrates through the inner side and the outer side of the sleeve;

the concrete construction and reinforcement method comprises the following steps:

firstly, performing preliminary evaluation according to the combination performance information of the soil quality of the soft soil layer and the depth information of the soft soil layer, and determining the number of fastening units needing to be embedded in the vertical direction;

secondly, hammering hollow ground piles with certain weight into the soft soil layer to a preset depth through a height-adjustable vehicle connected with the steel cables, and sequentially placing the fastening units into the hollow ground piles according to the required number to fall to the corresponding depth;

step three, covering a flip cover at the top of the hollow ground pile, wherein the middle part of the flip cover is a sandstone input port which is opposite to the middle part of the sleeve in the vertical direction, and the sandstone is dumped into the fastening unit and gradually lifts the hollow ground pile while overflowing;

and step four, finally, compacting the soft soil foundation by using a roller press, and repeating until the surface is basically flush.

2. A soft soil foundation reinforcement treatment device according to claim 1, characterized in that: the circumference of two upper and lower annular cover seats of sleeve is provided with the butt component of horizontal arrangement, and adjacent butt component is in the state of offseting when the sleeve is whole to insert and establish to the soft soil layer department of relevant position.

3. A soft soil foundation reinforcement processing apparatus according to claim 2, characterized in that: the butt component is including locating the butt piece in the annular cover seat, and the notch with butt piece size looks adaptation is seted up to the corresponding department level of annular cover seat, and the medial extremity of two butt pieces is equipped with the outer piece that pushes away for the butt piece receives the effort of outside promotion all the time when not having the atress, still includes spacing groove frame, and it is inboard to annular cover seat inwards extending, the butt piece is at notch and spacing inslot horizontal slip.

4. A soft soil foundation reinforcement treatment device according to claim 3, characterized in that: the outer pushing piece is a compressed spring I, the abutting blocks are arranged on two sides of the annular sleeve seat, and the spring I is connected with the inner ends of the two abutting blocks.

5. A soft soil foundation reinforcement processing apparatus according to claim 3, characterized in that: the outer pushing piece comprises a first magnet fixed in the middle of the annular sleeve seat through a connecting block, the abutting blocks are arranged on four sides of the annular sleeve seat, and second magnets are arranged at the inner side ends of the abutting blocks and have the same magnetism as the first magnets.

6. A soft soil foundation reinforcement treatment apparatus as claimed in any one of claims 3 to 5, wherein: the butt joint block is longitudinally provided with a groove, a top block is arranged in the groove, the bottom of the top block is connected with the bottom of the inner wall of the groove through a second spring, an embedding groove is formed in the outer edge of the annular sleeve seat, and the top block is upwards clamped into the embedding groove after the butt joint block moves outwards.