CN114197440A

CN114197440A - Building foundation and construction method thereof

Info

Publication number: CN114197440A
Application number: CN202111559560.7A
Authority: CN
Inventors: 沈海; 彭海林; 胡木强; 程维; 李培霞; 柯萌
Original assignee: Shenzhen Dongshen Engineering Co ltd
Current assignee: Shenzhen Dongshen Engineering Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-03-18
Anticipated expiration: 2041-12-20
Also published as: CN114197440B

Abstract

The invention discloses a building foundation and a construction method thereof, and the building foundation comprises a foundation body, wherein a plurality of transverse columns are fixedly arranged at the lower end part of the foundation body, a plurality of vertical columns are arranged along the height direction of the foundation body, a plurality of through holes matched with the vertical columns are formed in the transverse columns, transverse holes communicated with the through holes are formed in two sides of each through hole, springs are fixedly arranged in the transverse holes, the springs are fixedly connected with inserting rods matched with the transverse holes, one ends of the inserting rods, departing from the springs, are conical, the lower end parts of the vertical columns are provided with conical parts, and positioning holes matched with the inserting rods are formed in the vertical columns. This application has the spreader and the stand that link together and is located inside the ground body, can improve the intensity of ground body and the effect of stability.

Description

Building foundation and construction method thereof

Technical Field

The invention relates to the field of constructional engineering, in particular to a building foundation and a construction method thereof.

Background

The foundation is a soil body or rock body bearing the influence of the load of the upper building structure and is mainly used for supporting the lower part of the building. It can be divided into rock, gravel soil, sandy soil, silt soil, cohesive soil and artificial filling soil. Foundations are typically constructed with corresponding strength, deformation, stability and pressure requirements. The foundation needs to be reinforced usually, and a stone chip cushion, a sand cushion, a mixed lime-soil backfill and tamping and the like are common.

In the related art, soft soil generally refers to fine soil with high natural water content, large pore ratio, high compressibility and low shear strength. In the building process, when the foundation is built on soft soil, the soft soil foundation belongs to a soft soil layer with low strength, large sinking amount and high compression amount.

In view of the above-mentioned related technologies, the inventors believe that, when a building is constructed on a soft soil foundation, due to the characteristics of the soft soil foundation, such as high water content, high compressibility, the strength of the soft soil foundation is weak and stability is poor, and it is easy for the building to settle on site, which may cause adverse effects on the building.

Disclosure of Invention

In order to improve the strength and stability of the soft soil foundation, the application provides a building foundation and a construction method thereof.

In a first aspect, the present application provides a building foundation, which adopts the following technical scheme:

the utility model provides a building foundation, includes the ground body, the tip has set firmly a plurality of spreader under the ground body, and the ground body is equipped with a plurality of stands along the direction of height, and a plurality of through-holes with stand looks adaptation are seted up to the spreader, and the cross bore that is linked together with the through-hole is seted up to the both sides of through-hole, has set firmly the spring in the cross bore, and spring fixedly connected with and the inserted bar of cross bore looks adaptation, the one end that the inserted bar deviates from the spring is the toper, and the tip is established to the toper portion under the stand, sets up the locating hole with inserted bar looks adaptation on the stand.

Through adopting above-mentioned technical scheme, the building foundation is when building, constructor wears to establish the lower tip of foundation body with all spreader, correspond stand and through-hole in the top of foundation body, it is internal to use pile equipment to impress the ground basic body with the stand, when the stand is impressed the foundation body gradually, in the cone inserts the through-hole gradually, the tip of inserted bar contradicts with the cone earlier, the spring is compressed, when the stand moves down the locating hole and corresponds with the cross-hole, under the spring resilience effect, the inserted bar inserts in the locating hole of stand, realize that the spreader links together with the stand, constructor tamps the foundation body again, the spreader and the stand that link together are located inside the foundation body, can improve the intensity and the stability of foundation body.

Optionally, the stand is provided with a plurality of rows along foundation body length direction, has set firmly the connecting plate between two adjacent stands in every row of stand, and the lower tip of connecting plate is the toper.

Through adopting above-mentioned technical scheme, every row of stand when the foundation body is impressed, the connecting plate is basically internal along with the ground that the stand is impressed together, and the connecting plate can improve the connection wholeness and the stability between every row of stand, has further improved the intensity and the stability of foundation body.

Optionally, the cross bore is equipped with cowl with the through-hole junction, the spreader offer with cowl looks adaptation draw-in groove, cowl lower tip fixedly connected with buckle, the toper portion set firmly two pothooks with buckle matched with.

By adopting the technical scheme, the arc-shaped baffle plate prevents the inserted rod from sliding in the process of inserting the transverse column into the foundation body, so that soil is prevented from entering the transverse hole, and the using effect of the inserted rod is convenient to guarantee; the buckle and the clamping hook are convenient for pulling the arc-shaped baffle plate open.

Optionally, the stand column is slidably connected with an annular plate, the annular plate is matched with the positioning hole, a conical annular edge is arranged at the lower end of the annular plate, a rubber gasket is fixedly arranged on the inner wall of the annular plate, an annular groove matched with the rubber gasket is formed in the stand column, and the annular groove is located on the stand column and close to the positioning hole.

Through adopting above-mentioned technical scheme, the annular plate is convenient for the locating hole and is sheltered from, prevents to move down in-process soil entering locating hole, and the soil layer is broken open to the toper surrounding edge on the annular plate for the annular plate moves down along with the stand together, and then ensures that the inserted bar can normally insert in the locating hole.

Optionally, a positioning block is fixedly arranged in the middle of the positioning hole, and a tapered groove matched with the end of the insertion rod is formed in the positioning block.

Through adopting above-mentioned technical scheme, when the inserted bar inserted the locating hole, the inserted bar deviates from the one end of spring and inserts in the bell jar of locating piece, and the bell jar is further spacing to the inserted bar, is favorable to improving the connection effect of stand and horizontal post.

Optionally, the lower end of the transverse column is fixedly connected with a plurality of connecting rods, and the connecting rods are fixedly connected with first barbs.

Through adopting above-mentioned technical scheme, foundation body inserts the soil layer of foundation body below is worn out to first barb, is favorable to strengthening the connection compactness between foundation body and the soil layer of below.

Optionally, the foundation body up end sets firmly the foundation basis, and tip fixedly connected with a plurality of second barbs under the foundation basis.

Through adopting above-mentioned technical scheme, the second barb on the foundation basis is located ground basic internally, is convenient for strengthen the connection fastening nature between foundation basis and the foundation body, is favorable to improving the intensity and the stability on foundation basis.

Optionally, the pile foundation has been set firmly in four end angle departments of foundation body, and the pile foundation has seted up a plurality of standing grooves along length direction, has set firmly the polyurethane bed course in the standing groove.

By adopting the technical scheme, the pile foundation can extrude a soft soil layer more compactly, so that the bearing capacity and compactness of the foundation body can be improved; the polyurethane cushion layer is beneficial to improving the seismic performance of the pile foundation.

In a second aspect, the present application provides a construction method of a building foundation, which adopts the following technical scheme:

a construction method of a building foundation, comprising: building the foundation when building, wear to establish ground body lower tip with all spreader, top at the ground body corresponds stand and through-hole, it is internal basically with the stand to use pile equipment to impress, the stand is internal basically with impressing gradually, the through-hole is passed gradually to the toper portion of stand lower tip, finally under the effect of spring resilience force, the inserted bar deviates from in the locating hole of the one end insertion stand of spring, it links together with the stand to realize the spreader, constructor tamps the ground body again, inside spreader and the stand that link together are located the ground body, can improve the intensity and the stability of ground body. .

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

1. when the building foundation is built, a constructor penetrates all the cross columns through the lower end part of the foundation body, the stand columns correspond to the through holes above the foundation body, the stand columns are pressed into the ground basic body by using pile driving equipment, when the stand columns are gradually pressed into the foundation body, the conical parts are gradually inserted into the through holes, the end parts of the inserting rods firstly abut against the conical parts, the springs are compressed, when the stand columns move downwards to the positioning holes to correspond to the cross holes, the inserting rods are inserted into the positioning holes of the stand columns under the action of resilience force of the springs, the cross columns are connected with the stand columns, the constructor tamps the foundation body, and the connected cross columns and the connected stand columns are positioned in the foundation body, so that the strength and the stability of the foundation body can be improved;

2. the arc-shaped baffle prevents the inserted link from sliding in the process of inserting the transverse column into the foundation body, so that soil is prevented from entering the transverse hole, and the using effect of the inserted link is conveniently ensured; the buckle and the clamping hook are convenient for pulling the arc-shaped baffle plate open.

Drawings

Fig. 1 is a schematic overall structure diagram of a building foundation according to an embodiment of the present application.

Fig. 2 is intended to highlight the internal structural schematic of the foundation body.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a sectional structure diagram of the connection of the transverse column and the upright column.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

FIG. 6 is intended to highlight the position of the arc baffles and the annular plate.

Description of reference numerals: 1. a foundation body; 2. a cross post; 3. a column; 4. a through hole; 5. a transverse hole; 6. a spring; 7. inserting a rod; 8. a tapered portion; 9. positioning holes; 10. a connecting plate; 11. an arc-shaped baffle plate; 12. a card slot; 13. buckling; 14. a hook; 15. an annular plate; 16. a conical annular edge; 17. a rubber gasket; 18. positioning blocks; 19. a tapered groove; 20. a connecting rod; 21. a first barb; 22. foundation; 23. a second barb; 24. a pile foundation; 25. a placement groove; 26. a polyurethane cushion layer.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a building foundation.

Examples

Referring to fig. 1 and 2, the building foundation comprises a foundation body 1, wherein the foundation body 1 is mainly made of soft soil and is integrally rectangular. Three spreader 2 are installed to 1 tip of foundation body, and the spreader 2 is parallel with the length direction of foundation, and building foundation when building, constructor wears to establish the lower tip of foundation body 1 with all spreaders 2 for spreader 2 is located foundation body 1 and is close to bottom department.

Referring to fig. 3 and 4, nine columns 3 are installed along the direction of height in foundation body 1, three through holes 4 with 3 looks adaptations of column are seted up to spreader 2, and through holes 4 set up along spreader 2 equidistant, and constructor corresponds column 3 with through holes 4 on spreader 2 in the top of foundation body 1, uses equipment such as pile driver to impress column 3 in foundation body 1.

Referring to fig. 5 and 6, the cross hole 5 communicated with the through hole 4 is provided on both sides of the through hole 4, the cross hole 5 is located in the cross post 2, the spring 6 is fixedly arranged in the cross hole 5, the spring 6 is fixedly connected with the inserted link 7 matched with the cross hole 5, one end of the inserted link 7 departing from the spring 6 is conical, when the spring 6 is in a natural state, one part of the inserted link 7 is located in the through hole 4, and the other part of the inserted link 7 is located in the cross hole 5. Cowl 11 is installed with through-hole 4 junction to cross bore 5, and draw-in groove 12 with 11 looks adaptations of cowl is seted up to spreader 2, and when spreader 2 inserted ground body 1, cowl 11 sheltered from inserted bar 7 in the cross bore 5 for spring 6 is in compression state, and inserted bar 7 is located cross bore 5 completely. Arc baffle 11 prevents that spreader 2 from taking place to slide inserting rod 7 inserting 1 in-process of ground body, avoids soil to get into cross bore 5 in, is convenient for ensure the result of use of inserting rod 7.

Referring to fig. 5 and 6, the lower end of the upright post 3 is provided with a tapered portion 8, when a constructor uses equipment to press the upright post 3 into the foundation body 1 gradually, when the tapered portion 8 at the lower end of the upright post 3 is inserted into the through hole 4 gradually, the spring 6 starts to be compressed, when the upright post 3 continues to move downwards, the spring 6 continues to be compressed, and the end of the inserted rod 7 abuts against the outer wall of the upright post 3 again. The upright post 3 is provided with a positioning hole 9 matched with the inserted bar 7. When the stand 3 moves down locating hole 9 and cross bore 5 correspond, under the effect of the resilience force of spring 6, the inserted bar 7 deviates from the one end of spring 6 and inserts in the locating hole 9 of stand 3, realize that the cross post 2 links together with stand 3, and constructor tamps foundation body 1 again. The horizontal column 2 and the stand 3 that link together are located foundation body 1 inside, have improved foundation body 1 bearing capacity and compressive strength in level and vertical side, and then have also improved foundation body 1's stability.

Referring to fig. 3 and 5, when the insertion rod 7 is inserted into the positioning hole 9 of the upright column 3, the positioning block 18 is fixed in the middle of the positioning hole 9, the positioning block 18 is provided with a tapered groove 19 matched with the end of the insertion rod 7, one end of the insertion rod 7 departing from the spring 6 is inserted into the tapered groove 19 of the positioning block 18, the tapered groove 19 further limits the insertion rod 7, the insertion rod 7 is prevented from moving in the positioning hole 9, and the connection effect of the upright column 3 and the cross column 2 can be improved.

Referring to fig. 5 and 6, a buckle 13 is fixedly connected to the lower end of the arc-shaped baffle 11, and two hooks 14 matched with the buckle 13 are fixedly arranged on the tapered portion 8. When the conical part 8 of the upright post 3 gradually passes through the through hole 4, the hook 14 on the conical part 8 clamps the buckle 13 on the arc-shaped baffle plate 11, and then when the upright post 3 continues to move downwards, the arc-shaped baffle plate 11 is driven to gradually slide out from the clamping groove 12, and finally, the arc-shaped baffle plate 11 is separated from the cross post 2, so that the arc-shaped baffle plate 11 is pulled open conveniently. The arc-shaped baffle 11 ensures that the inserted bar 7 is normally inserted into the positioning hole 9 of the upright post 3, thereby ensuring the use effect of the upright post 3 and the cross post 2.

Referring to fig. 5 and 6, the column 3 is slidably connected with an annular plate 15, the annular plate 15 is matched with the positioning hole 9, and the annular plate 15 shields the positioning hole 9 when the column 3 is pressed into the foundation body 1, so that soil is prevented from entering the positioning hole 9 when moving downwards. The inner wall of the annular plate 15 is fixed with a rubber gasket 17, the upright post 3 is provided with an annular groove matched with the rubber gasket 17, and the annular groove is positioned on the upright post 3 and close to the positioning hole 9. The rubber gasket 17 of the annular plate 15 is located in the annular groove.

Referring to fig. 5 and 6, a conical annular edge 16 is fixed at the lower end of the annular plate 15, the conical annular edge 16 on the annular plate 15 breaks the soil layer, so that the annular plate 15 moves downwards along with the upright post 3, when the annular plate 15 moves to the through hole 4 of the cross post 2, the annular plate 15 is abutted against the outer wall of the cross post 2, the upright post 3 continues to move downwards, so that the rubber gasket 17 is separated from the annular groove, the annular plate 15 and the upright post 3 slide relatively, the insertion rod 7 is inserted into the positioning hole 9, and finally the annular plate 15 is located on the outer wall of the upright post 3 and above the cross post 2.

Referring to fig. 1 and 2, the stand 3 is provided with three rows along 1 length direction of foundation body, installs connecting plate 10 between two adjacent stands 3 in every row of stand 3, the both ends of connecting plate 10 respectively with two stand 3 fixed connection, constructor when using equipment to impress every row of stand 3 in the foundation body 1, need impress every row of stand 3 simultaneously, connecting plate 10 breaks when preventing to impress stand 3. Every row of stand 3 is when the foundation body 1 of impressing, and in the foundation body 1 was impressed along with stand 3 to connecting plate 10, when stand 3 was connected with spreader 2, connecting plate 10 can improve the connection wholeness and the stability between every row of stand 3, can improve foundation body 1's intensity and stability. The lower end of the connecting plate 10 is conical, so that the soil layer can be conveniently broken when the connecting plate 10 moves downwards.

Referring to fig. 1 and 2, a foundation base 22 is fixed to the upper end surface of the foundation body 1, a plurality of second barbs 23 located in the foundation body 1 are fixedly connected to the lower end of the foundation base 22, and the second barbs 23 on the foundation base 22 are located in the foundation body 1, so that the connection tightness between the foundation base 22 and the foundation body 1 can be enhanced, and the strength and stability of the foundation base 22 are improved.

Referring to fig. 1 and 2, the four corners of the foundation body 1 are fixed with pile foundations 24, the pile foundations 24 are made of reinforced concrete materials, the pile foundations 24 facilitate downward transmission of building load, and meanwhile, soft soil layers can be extruded more compactly, so that the bearing capacity and compactness of the foundation body 1 are improved, and settlement of the foundation body 1 is reduced; a plurality of standing grooves 25 have been seted up along length direction to pile foundation 24, install polyurethane bed course 26 in the standing groove 25, and polyurethane bed course 26 can cushion the vibrations that pile foundation 24 received, can improve pile foundation 24's anti-seismic performance, and then improves foundation body 1's shock resistance.

Referring to fig. 1 and 2, a plurality of connecting rods 20 are fixedly connected to the lower end of the cross column 2, a first barb 21 is fixedly connected to one end of the connecting rod 20 away from the cross column 2, the first barb 21 on the connecting rod 20 penetrates out of the foundation body 1 and is inserted into the soil layer below the foundation body 1, and the tightness of connection between the foundation body 1 and the soil layer below can be enhanced.

The implementation principle of the building foundation of the embodiment of the application is as follows: when the building foundation is constructed, a constructor wears all the cross columns 2 through the lower end part of the foundation body 1, so that the cross columns 2 are positioned at the position, close to the bottom, of the foundation body 1. When the transverse column 2 is inserted into the foundation body 1, the arc baffle 11 shields the inserted rod 7 in the transverse hole 5, so that the spring 6 is in a compression state, and the inserted rod 7 is completely positioned in the transverse hole 5. The first barb 21 of horizontal pole lower extreme is located the stratum of ground below body 1, and constructor corresponds stand 3 and through-hole 4 on the horizontal pole 2 in the top of body 1 of ground, uses equipment such as pile driver to impress stand 3 in body 1 of ground. Arc baffle 11 prevents that spreader 2 from taking place to slide inserting pole 7 inserting the 1 in-process of ground body, avoids soil to get into in the cross bore 5. When constructor uses equipment to impress base body 1 gradually with stand 3, inside connecting plate 10 impressed base body 1 along with stand 3 together, when the toper portion 8 of the tip under stand 3 inserted through-hole 4 gradually in, spring 6 began to compress, and when stand 3 continued to move down, spring 6 continued to be compressed, and 7 tip of inserted bar contradict with 3 outer walls of stand again. When the stand 3 moves down locating hole 9 and cross bore 5 correspond, under the effect of the resilience force of spring 6, the inserted bar 7 deviates from the locating hole 9 of spring 6 and is inserted into the locating hole 9 of stand 3, and the inserted bar 7 deviates from the one end of spring 6 and is inserted into the tapered slot 19, so that the transverse column 2 is connected with the stand 3, and the constructor tamps the foundation body 1 again. The horizontal column 2 and the stand 3 that link together are located foundation body 1 inside, have improved foundation body 1's intensity and stability.

The embodiment of the application also discloses a construction method of the building foundation.

A construction method of a building foundation, comprising: building foundation when building, wear to establish the tip under the foundation body 1 with all spreader 2, top at foundation body 1 corresponds stand 3 and through-hole 4, use pile equipment to impress stand 3 in the foundation body 1, stand 3 impresses gradually in the foundation body 1, the toper portion 8 of tip passes through-hole 4 gradually under the stand 3, finally under the effect of spring 6 resilience force, the locating hole 9 of stand 3 is inserted to the one end that inserted bar 7 deviates from spring 6, realize spreader 2 and stand 3 and link together, constructor tamps foundation body 1 again, spreader 2 and stand 3 that link together are located foundation body 1 inside, can improve foundation body 1's intensity and stability.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A building foundation, comprising a foundation body (1), characterized in that: the utility model discloses a foundation, including foundation body (1), tip have set firmly a plurality of spreader (2) under foundation body (1), foundation body (1) is equipped with a plurality of stands (3) along the direction of height, a plurality of through-hole (4) with stand (3) looks adaptation are seted up in spreader (2), cross bore (5) that are linked together with through-hole (4) are seted up to the both sides of through-hole (4), spring (6) have set firmly in cross bore (5), inserted bar (7) of spring (6) fixedly connected with and cross bore (5) looks adaptation, the one end that inserted bar (7) deviate from spring (6) is the toper, tip is established to toper portion (8) under stand (3), set up locating hole (9) with inserted bar (7) looks adaptation on stand (3).

2. A building foundation as claimed in claim 1, wherein: the foundation is characterized in that a plurality of rows of the stand columns (3) are arranged along the length direction of the foundation body (1), a connecting plate (10) is fixedly arranged between two adjacent stand columns (3) in each row of the stand columns (3), and the lower end parts of the connecting plates (10) are conical.

3. A building foundation as claimed in claim 1, wherein: cross bore (5) and through-hole (4) junction are equipped with cowl (11), and draw-in groove (12) with cowl (11) looks adaptation are seted up in spreader (2), and tip fixedly connected with buckle (13) under cowl (11), toper portion (8) set firmly two pothooks (14) with buckle (13) matched with.

4. A building foundation as claimed in claim 1, wherein: the vertical column (3) is connected with an annular plate (15) in a sliding mode, the annular plate (15) is matched with the positioning hole (9), a conical annular edge (16) is arranged at the lower end of the annular plate (15), a rubber gasket (17) is fixedly arranged on the inner wall of the annular plate (15), an annular groove matched with the rubber gasket (17) is formed in the vertical column (3), and the annular groove is located on the vertical column (3) and close to the positioning hole (9).

5. A building foundation as claimed in claim 1, wherein: the middle part of the positioning hole (9) is fixedly provided with a positioning block (18), and the positioning block (18) is provided with a conical groove (19) matched with the end part of the inserted rod (7).

6. A building foundation as claimed in claim 1, wherein: the lower end of the transverse column (2) is fixedly connected with a plurality of connecting rods (20), and the connecting rods (20) are fixedly connected with first barbs (21).

7. A building foundation as claimed in claim 1, wherein: foundation body (1) up end sets firmly foundation (22), and a plurality of second barbs (23) of foundation (22) lower tip fixedly connected with.

8. A building foundation as claimed in claim 1, wherein: the foundation is characterized in that pile foundations (24) are fixedly arranged at four end corners of the foundation body (1), a plurality of placing grooves (25) are formed in the pile foundations (24) along the length direction, and polyurethane cushion layers (26) are fixedly arranged in the placing grooves (25).

9. A construction method of a building foundation for a building foundation according to any one of claims 1 to 8, characterized in that: when the building foundation is built, wear to establish ground body (1) lower tip with all spreader (2), top at ground body (1) corresponds stand (3) and through-hole (4), use pile equipment to impress in ground body (1) stand (3), stand (3) are impressed gradually in ground body (1), toper portion (8) when stand (3) lower tip pass through-hole (4) gradually, finally under spring (6) resilience effect, the locating hole (9) of stand (3) are inserted to the one end that inserted bar (7) deviate from spring (6), realize spreader (2) and stand (3) and link together, constructor carries out the compaction again ground body (1), inside spreader (2) and stand (3) of linking together are located ground body (1), can improve the intensity and the stability of ground body (1).