CN212001220U

CN212001220U - Building pile foundation

Info

Publication number: CN212001220U
Application number: CN202020378349.XU
Authority: CN
Inventors: 郑树华
Original assignee: Xiamen Zhengshuhua Architectural Design Co ltd
Current assignee: Xiamen Zhengshuhua Architectural Design Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-24
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a building pile foundation belongs to building technical field, and its technical scheme main points include foundation pile and pile cap, the foundation pile is the I shape, the vertical outside of foundation pile is provided with the bellows, the both ends of bellows with the foundation pile is fixed, the inside packing of bellows has the metal packing, the utility model discloses have economic cost low, structural strength is higher and be difficult for appearing warping, the effect of adaptable wet soft soil.

Description

Building pile foundation

Technical Field

The utility model belongs to the technical field of the building, more specifically say that it relates to a building pile foundation.

Background

The building pile foundation is a structure for supporting and fixing a building on a soft soil foundation to prevent the building from settling, and the load distribution layer constitutes a pile cap, which is regularly distributed between the pile and the building, so that the pile foundation effectively loads the building.

At present, chinese patent publication No. CN204112312U discloses a building pile foundation structure, which is composed of internal supporting members, wherein the internal supporting members include hollow tubes, sleeves, internal friction coatings, outer shells, intermediate connecting layers, and external friction coatings.

In the prior art, similar to the building pile foundation structure, the outer shell layer of the building pile foundation structure is made of glass fiber, and the pile is made of high-strength fiber materials and is not easy to corrode. However, when the building pile structure is applied to wet and soft ground, the strength of the pile foundation is obviously reduced once the ground is disturbed, so that the pile foundation structure is easy to be unstable, and therefore, a space for improvement is left.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a building pile foundation, its advantage lies in that structural strength is higher and be difficult for appearing warping, adaptable wet soft soil.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a building pile foundation, includes foundation pile and pile cap, the foundation pile is the I shape, the vertical outside of foundation pile is provided with the bellows, the both ends of bellows with the foundation pile is fixed, the inside packing of bellows has metal packing.

By adopting the technical scheme, the bottom of the foundation pile is stressed more due to the I-shaped design, and the foundation pile is not easy to deviate once disturbed; secondly, the corrugated surface of bellows multiplicable foundation pile and the resistance of soil avoids the not hard up condition to appear in the foundation pile, and packs metal filler in the inside of bellows, multiplicable foundation pile bellows self gravity makes foundation pile overall structure intensity higher, is difficult for appearing warping.

The utility model discloses further set up to: the corrugated pipe is made of glass fiber reinforced plastic materials.

By adopting the technical scheme, the glass fiber reinforced plastic material has good compactness and impermeability, so that the corrugated pipe has strong corrosion resistance, and the service life of the corrugated pipe is prolonged.

The utility model discloses further set up to: the outer wall of the corrugated pipe is coated with a quicklime layer.

Through adopting above-mentioned technical scheme, quick lime layer meets the water cure inflation, with the water absorption after-expansion, when can harden soil on every side, the internal structure intensity of reinforcing bellows makes the whole inseparable fixed with wet soft soil of foundation pile.

The utility model discloses further set up to: a plurality of annular bulges are arranged on the longitudinal outer side of the foundation pile at intervals and are arranged in the corrugated pipe.

Through adopting above-mentioned technical scheme, the bellied setting of annular can increase foundation pile and the inside area of contact of bellows, makes foundation pile and bellows share the load jointly, is difficult for appearing warping.

The utility model discloses further set up to: the metal filler is iron sand or steel sand.

By adopting the technical scheme, the sand with high strength of iron sand or steel sand can achieve the effect of increasing the self gravity of the corrugated pipe.

The utility model discloses further set up to: one end that foundation pile and pile cap are connected is seted up undercut and is curved dashpot, the bottom of pile cap extends to have and arranges in just be curved buffer block in the dashpot, and the cross-sectional area of dashpot is greater than the cross-sectional area of buffer block.

Through adopting above-mentioned technical scheme, when the foundation pile received the disturbance, the lateral sliding of buffer tank can be followed to the buffer block, played the cushioning effect to alleviate pile cap's the range of rocking.

The utility model discloses further set up to: and limiting blocks are arranged in the buffer grooves and positioned on two sides of the buffer block.

Through adopting above-mentioned technical scheme, the distance that can restrict buffer block lateral sliding is set up of stopper, prevents effectively that the buffer block roll-off dashpot.

The utility model discloses further set up to: one side of the limiting block, which faces the buffer block, is an inward-concave arc-shaped surface.

Through adopting above-mentioned technical scheme, the setting of arcwall face can make the stopper contact with the outer wall of buffer block better, improves the stopper and to the power that blocks of buffer block.

To sum up, the utility model has the advantages of it is following:

1. the resistance between the foundation pile and the soil is increased through the corrugated surface of the corrugated pipe, the foundation pile can be prevented from loosening, and the metal filler is filled in the corrugated pipe, so that the gravity of the corrugated pipe of the foundation pile can be increased, the integral structural strength of the foundation pile is higher, and the foundation pile is not easy to deform;

2. by arranging the quicklime layer, the internal structural strength of the corrugated pipe can be enhanced while the surrounding soil is hardened, so that the whole foundation pile is tightly fixed with wet and soft soil;

3. when the foundation pile is disturbed, the buffer block can slide along the transverse direction of the buffer groove to play a role in buffering, so that the shaking amplitude of the pile cap is reduced.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a partial schematic view showing the connection structure of the foundation pile and the pile cap according to the present embodiment.

Description of reference numerals: 1. foundation piles; 2. a pile cap; 3. a bellows; 4. a metal filler; 5. a quicklime layer; 6. an annular projection; 7. a buffer tank; 8. a buffer block; 9. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a building pile foundation, as shown in figure 1, includes foundation pile 1 and pile cap 2, foundation pile 1 is the I shape, and the vertical outside cover of foundation pile 1 is equipped with bellows 3, and the both ends of bellows 3 are fixed with foundation pile 1, and the inside packing of bellows 3 has metal packing 4, and metal packing 4 is iron sand or steel sand. Wherein, the resistance of the corrugated surface multiplicable foundation pile 1 of bellows 3 and soil avoids foundation pile 1 to appear not hard up the condition, and at the inside packing metal filler 4 of

bellows

3, 3 self gravities of multiplicable foundation pile 1 bellows can make 1 overall structure intensity of foundation pile higher, is difficult for appearing warping.

It is worth mentioning that the corrugated pipe 3 is made of glass fiber reinforced plastic material, and the glass fiber reinforced plastic material has good compactness and impermeability, so that the corrugated pipe 3 has strong corrosion resistance, and the service life of the corrugated pipe 3 is prolonged.

As shown in fig. 1, the quicklime layer 5 is coated on the outer wall of the corrugated pipe 3, and the quicklime layer 5 is cured and expanded when meeting water, absorbs water and expands, so that the surrounding soil can be hardened, and simultaneously, the internal structural strength of the corrugated pipe 3 is enhanced, so that the foundation pile 1 is tightly fixed with the wet and soft soil.

As shown in fig. 1 and 2, a plurality of annular protrusions 6 are arranged at intervals on the longitudinal outer side of the foundation pile 1, the annular protrusions 6 are integrally formed with the foundation pile 1 and are arranged in the corrugated pipe 3, the contact area between the foundation pile 1 and the corrugated pipe 3 can be increased through the annular protrusions 6, the foundation pile 1 and the corrugated pipe 3 share load, and deformation is not prone to occurring.

As shown in fig. 2, a concave-down arc-shaped buffer slot 7 is formed at one end of the foundation pile 1 connected with the pile cap 2, an arc-shaped buffer block 8 arranged in the buffer slot 7 extends from the bottom of the pile cap 2, and the cross-sectional area of the buffer slot 7 is larger than that of the buffer block 8. When foundation pile 1 receives the disturbance, buffer block 8 can follow the horizontal slip of dashpot 7 to play the cushioning effect, alleviate pile cap 2's range of rocking.

As shown in FIG. 2, the limiting blocks 9 are fixed on the two sides of the buffer block 8 in the buffer slot 7, the distance of the lateral sliding of the buffer block 8 can be limited by the limiting blocks 9, and the buffer block 8 is effectively prevented from sliding out of the buffer slot 7.

Further, in order to enable the limiting block 9 to better contact with the outer wall of the buffer block 8, the blocking force of the limiting block 9 on the buffer block 8 is improved, and the limiting block 9 is an inward-concave arc-shaped surface facing one side of the buffer block 8 in the embodiment.

The utility model has the advantages as follows: the foundation pile 1 with the I-shaped design is adopted, so that the bottom of the foundation pile 1 is stressed more, and the foundation pile is not easy to deviate once disturbed; secondly, through installation bellows 3 in foundation pile 1 outside, the corrugated surface of usable bellows 3 increases the resistance of foundation pile 1 and soil, avoids the not hard up condition to appear in foundation pile 1, and packs metal filler 4 in the inside of

bellows

3, and 3 self gravities of multiplicable foundation pile 1 bellows make foundation pile 1 overall structure intensity higher, are difficult for appearing warping.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a building pile foundation, includes foundation pile (1) and pile cap (2), its characterized in that: the foundation pile is characterized in that the foundation pile (1) is I-shaped, corrugated pipes (3) are arranged on the longitudinal outer sides of the foundation pile (1), two ends of each corrugated pipe (3) are fixed to the foundation pile (1), and metal fillers (4) are filled in the corrugated pipes (3).

2. The building pile foundation of claim 1, wherein: the corrugated pipe (3) is made of glass fiber reinforced plastic materials.

3. A building pile foundation according to claim 2, wherein: the outer wall of the corrugated pipe (3) is coated with a quicklime layer (5).

4. The building pile foundation of claim 1, wherein: a plurality of annular bulges (6) are arranged on the longitudinal outer side of the foundation pile (1) at intervals, and the annular bulges (6) are arranged in the corrugated pipe (3).

5. The building pile foundation of claim 1, wherein: the metal filler (4) is iron sand or steel sand.

6. The building pile foundation of claim 1, wherein: one end that foundation pile (1) and pile cap (2) are connected is seted up undercut and is curved dashpot (7), the bottom of pile cap (2) extends to have and arranges in just be curved buffer block (8) in dashpot (7), and the cross-sectional area of dashpot (7) is greater than the cross-sectional area of buffer block (8).

7. A building pile foundation according to claim 6, wherein: and limiting blocks (9) are arranged in the buffer groove (7) and positioned on two sides of the buffer block (8).

8. The building pile foundation of claim 7, wherein: one side of the limiting block (9) facing the buffer block (8) is an inward-concave arc-shaped surface.