CN117845901A - Reinforced building foundation pile - Google Patents
Reinforced building foundation pile Download PDFInfo
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- CN117845901A CN117845901A CN202410244555.4A CN202410244555A CN117845901A CN 117845901 A CN117845901 A CN 117845901A CN 202410244555 A CN202410244555 A CN 202410244555A CN 117845901 A CN117845901 A CN 117845901A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 104
- 239000010959 steel Substances 0.000 claims abstract description 104
- 230000008439 repair process Effects 0.000 claims abstract description 37
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 239000004848 polyfunctional curative Substances 0.000 claims abstract description 7
- 239000000872 buffer Substances 0.000 claims description 106
- 230000001965 increasing effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 9
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- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
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- 230000003139 buffering effect Effects 0.000 abstract description 2
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- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000010485 coping Effects 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 11
- 238000013016 damping Methods 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008263 repair mechanism Effects 0.000 description 1
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Abstract
The invention relates to a reinforced building foundation pile applied to the technical field of building engineering, which comprises a plurality of foundation pile sections, wherein a plurality of foundation pile sections are fixedly connected through a plurality of bolts, the structure is adopted to realize automatic repair, enhance structural integrity and stability and better anti-seismic and impact absorption characteristics, the design of a three-dimensional steel bar support column and a prestressed pipe is combined to realize effective force dispersion and buffering under slight to strong impact, under extreme conditions, the foundation pile can be automatically repaired, the built-in epoxy resin and hardener of the foundation pile are mixed and reacted in a broken repair ring to form a firm composite material to reinforce the foundation pile, in addition, the integral pouring technology enhances the firmness and uniform force transmission of a foundation pile connecting point, and meanwhile, the modularized design improves the construction efficiency and flexibility, thereby providing a highly adaptive and durable solution for the building foundation engineering, and being particularly suitable for coping with complex geological conditions and extreme environmental challenges.
Description
Technical Field
The invention relates to a reinforced building foundation pile, in particular to a reinforced building foundation pile applied to the technical field of building engineering.
Background
Building foundation piles are key structural elements for supporting the weight of a building and transmitting the weight to the ground, and the main purpose of foundation pile design is to ensure the stability and safety of the building under various geological and environmental conditions, so that with the development of building technology, particularly in areas with frequent earthquakes, higher requirements are placed on the damping capacity of the foundation piles.
The specification of Chinese patent No. 113622448 discloses a building foundation pile with a damping function, which comprises a base body and two buffer cylinders, wherein the two buffer cylinders are symmetrically and fixedly arranged in the base body, sliding cavities are respectively formed in the two buffer cylinders, a pressing block is respectively and slidably connected in each sliding cavity, a telescopic airbag is fixedly arranged on the lower end face of each pressing block, an air outlet is respectively and fixedly arranged at the lower end of each telescopic airbag, a limit flange is fixedly arranged on the inner wall of each sliding cavity, the lower end of each telescopic airbag is mutually contacted with the upper end face of each limit flange, a sealing sliding plug is slidably connected in each sliding cavity, and a conical table is fixedly arranged at the lower end of each sealing sliding plug. According to the invention, the building at the upper end of the foundation pile is damped through the bottom damping mechanism, the top damping mechanism and the auxiliary damping mechanism, so that the foundation pile can adapt to different vibration degrees of the building.
The above design dampens the building at the upper end of the foundation pile by means of the bottom damping mechanism, the top damping mechanism, the auxiliary damping mechanism, but there are also limitations, such as in extreme cases, such as large-scale earthquakes or continuous vibrations, that the damping capacity may not be sufficient to completely protect the foundation pile and the superstructure from damage, and furthermore, the design may not have an automatic repair capability, and once the damping parts of the foundation pile are damaged or worn, complex maintenance and replacement work may be required.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problem of providing a more efficient and reliable building foundation pile design with stronger shock resistance and automatic repair function.
In order to solve the problems, the invention provides a reinforced building foundation pile which comprises a plurality of foundation pile sections, wherein the foundation pile sections are fixedly connected through a plurality of bolts, each foundation pile section comprises a three-dimensional steel bar support, the outer ends of the three-dimensional steel bar supports are fixedly connected with a prestressed pipe, the outer ends of the prestressed pipes are fixedly connected with a buffer layer, the outer ends of the buffer layer are fixedly connected with a plurality of ring beams, the ring beams are sequentially contacted with each other from top to bottom, a repair chamber is arranged between the ring beams and the buffer layer, a self-repair layer is fixedly connected in the repair chamber, the top and the bottom of each three-dimensional steel bar support are respectively fixedly connected with an upper mounting plate and a lower mounting plate, the tops and the bottoms of the prestressed pipes and the buffer layer are respectively fixedly connected with the upper mounting plate and the lower mounting plate, the upper mounting plate on one foundation pile section is fixedly connected with the lower mounting plate on the other foundation pile section through bolts, the self-repairing layer is composed of a plurality of first repairing rings and second repairing rings fixedly connected with the outer ends of the buffer layers, the outer ends of the first repairing rings are fixedly connected with the second repairing rings, the outer ends of the second repairing rings are fixedly connected with the inner wall of the annular beam, the first repairing rings and the second repairing rings are made of glass, epoxy resin and hardener are respectively filled in the first repairing rings and the second repairing rings, a plurality of protruding blocks are fixedly connected in the buffer layers and uniformly distributed around the axis of the buffer layers, one ends of the protruding blocks close to the pre-stressing tubes penetrate through the buffer layers, one ends of the penetrating parts are fixedly connected with the outer ends of the pre-stressing tubes, one ends of the protruding blocks far away from the pre-stressing tubes are separated from the inner wall of the first repairing rings by one to two millimeters, repairing holes are formed in corresponding positions of the annular beam and the protruding blocks, the repairing holes are uniformly distributed around the axis of the annular beam, and a plurality of repair holes penetrate through the ring beam along the radial direction of the ring beam.
In the reinforced building foundation pile, through the combination of the three-dimensional steel bar support, the prestressed pipe and the multi-layer buffer layer, not only slight to strong impact can be effectively absorbed and dispersed, but also damage can be automatically repaired under extreme conditions, and the durability and the safety of the foundation pile are enhanced.
As the further improvement of this application, three-dimensional steel reinforcement pillar internal fixation has a plurality of left-hand reinforcement, and a plurality of left-hand reinforcement one end fixedly connected with that keeps away from each other a plurality of right-hand reinforcement, a plurality of left-hand reinforcement and a plurality of right-hand reinforcement all around three-dimensional steel reinforcement pillar axis spiral setting, and a plurality of left-hand reinforcement revolve to all being left-hand, and a plurality of right-hand reinforcement revolve to all being right-hand.
As still further improvement of this application, a plurality of right-handed bars one end fixedly connected with a plurality of axial bars that keep away from each other, a plurality of axial bars follow three-dimensional steel bar pillar axis evenly distributed, and a plurality of axial bars all are on a parallel with three-dimensional steel bar pillar axis direction, a plurality of left-handed bars one end that is close to each other and a plurality of axial bars one end fixedly connected with a plurality of annular bars that keep away from each other.
As a further improvement of the application, the upper mounting plate and the lower mounting plate are provided with grooves at the ends which are far away from each other, a plurality of axial reinforcing steel bars are respectively penetrated through the upper mounting plate and the lower mounting plate and extend into the grooves on the upper mounting plate and the lower mounting plate, and the penetrating parts are all clamped with clamping sleeves.
As yet another improvement of the present application, a plurality of left-handed steel bars and right-handed steel bars are all fixedly connected with the upper mounting plate and the lower mounting plate by welding, pouring grooves are formed in the ends, far away from each other, of the upper mounting plate and the lower mounting plate, and after the installation is completed, the grooves on the upper mounting plate and the lower mounting plate are integrally poured by using molten metal through the pouring grooves.
As a further improvement of the present application, the buffer layer is composed of a first buffer layer, a second buffer layer and a third buffer layer fixedly connected to the outer end of the prestressed pipe, the outer end of the first buffer layer is fixedly connected to the second buffer layer, and the outer end of the second buffer layer is fixedly connected to the third buffer layer.
As a further improvement of the present application, the first buffer layer, the second buffer layer and the third buffer layer are all made of an elastic material, and the hardness of the first buffer layer, the second buffer layer and the third buffer layer gradually increases, and the first buffer layer, the second buffer layer and the third buffer layer all have shearing resistance and allow a certain degree of relative displacement.
As still another improvement of this application, a plurality of ring beam outer ends all are equipped with the boss, and the boss is all five to ten centimetres along its axis direction both ends with ring beam along ring beam axis direction both ends, and the both ends that the boss was followed ring beam axis direction are the toper structure that the symmetry set up, and the groove of stepping down has all been seted up with a plurality of bolts corresponding position to ring beam.
In summary, the present application has the following beneficial effects:
1. automatic repair capability; in extreme cases, if the buffer layer is completely extruded, the prestress tube can push the lug to move, the epoxy resin in the first repair ring and the epoxy resin in the second repair ring are triggered to react with the hardening agent in a mixing mode, a firm composite material is formed, the foundation pile is automatically repaired, and the resistance of the foundation pile to future impact is enhanced.
2. Repairing and reinforcing; when the first repair ring and the second repair ring are broken, the epoxy resin and the hardener are mixed together and chemically reacted, so that a firm composite material is generated, the firm composite material has high structural strength and adhesiveness, and the newly formed composite material is diffused to the surrounding area of the foundation pile along with the progress of the chemical reaction, so that cracks or weaknesses are filled, and in the curing process, the material reinforces the integral structure of the foundation pile, and the resistance of the material to future impact is enhanced.
3. Re-reinforcing; under extreme impact, it is possible to produce more mixture than is necessary for internal repair, these excess mixture flowing out through the preset repair holes into the ring beam and surrounding earth and rubble, providing additional reinforcement, in such a way that the foundation pile is not only internally reinforced, but also externally forms a more firm connection with the surrounding soil and structure, increasing the stability and durability of the overall foundation pile system, especially in the face of earthquakes, lateral pressure or other extreme conditions.
4. Enhanced structural integrity and stability; the three-dimensional steel bar support is internally composed of steel bars which are arranged in multiple directions, including left-handed steel bars, right-handed steel bars, annular steel bars and steel bars which are arranged along an axis, and the multi-dimensional steel bar layout ensures that the support can uniformly distribute stress under the action of forces in different directions, so that the overall structural stability is improved, under normal load, the steel bars are only elastically deformed, namely the strain is in a reversible range, after external load is removed, the steel bars and the whole support can be restored to an original state, the structural integrity is maintained, the cooperation of the pre-stressing tubes generates internal stress due to the pre-applied tension in the pre-stressing tubes, the initial rigidity and the deformation resistance of the structure are improved, the pre-stressing tubes are helpful for resisting additional stretching or compression under the action of external force, the stress level of the three-dimensional steel bar support is reduced, and the three-dimensional steel bar support and the pre-stressing tubes work together under the state of elastic deformation, the reinforcing support is provided for reinforcing the bending resistance, the shearing resistance and the torsion resistance of the overall structure.
5. Shock resistance and impact absorption capacity; the three-dimensional steel bar support column can effectively absorb and disperse vibration under slight external impact (such as small-scale earthquake) to reduce the influence on a main structure, at the moment, the steel bars in the support column are still in an elastic range, the original shape and the integrity of the steel bars can be kept, under stronger impact (such as large-scale earthquake), the composite structure of the three-dimensional steel bar support column and the pre-stress tube starts to generate more obvious elastic deformation, at the moment, the pre-tension force of the pre-stress tube is combined with the elastic restoring force of the steel bars to jointly absorb and disperse impact energy to protect foundation piles from great damage, and if the impact continues to be increased, the buffer layer is extruded to further absorb energy to reduce the impact on the main bearing structure.
6. The connection points are integrally cast; the foundation pile is firmly and reliably connected between different sections through the integral pouring technology, and the hard connecting body is formed at the connecting point through the use of molten metal, so that not only is the structural connection of each part of the foundation pile enhanced, but also the connecting point becomes a firm link in the whole foundation pile system, the strength and durability of the connecting point can be enhanced, the damage risk of the structure when the structure is subjected to heavy load or impact is reduced, the integral reliability and safety of the foundation pile are improved, the force transmission becomes more uniform, when the foundation pile bears external load such as earthquake vibration or lateral pressure, the force can be more effectively dispersed into the whole foundation pile structure, excessive stress is prevented from being concentrated at a certain point, and the possibility of cracks or breakage caused by overlarge local stress is reduced.
7. The construction efficiency and flexibility are improved; the design of foundation pile allows a plurality of foundation pile sections to pass through the mutual fixed connection in proper order of bolt, and this kind of modularization mounting means has improved the efficiency of construction greatly, has also increased the flexibility in the work progress simultaneously, and the design of three-dimensional reinforcing bar support ensures under normal service condition that the foundation pile can carry out effectual buffering to the external impact in its elastic deformation scope to maintain structural integrality and stability.
Drawings
FIG. 1 is a first internal structural view of a foundation pile section of the present application;
FIG. 2 is an enlarged view of the present application at A;
FIG. 3 is an enlarged view of a portion B of the present application;
FIG. 4 is a front view of a foundation pile section of the present application;
FIG. 5 is a C-C cross-sectional view of the present application;
FIG. 6 is a D-D cross-sectional view of the present application;
FIG. 7 is an enlarged view at E of the present application;
FIG. 8 is a cross-sectional F-F view of the present application;
FIG. 9 is a G-G cross-sectional view of the present application;
FIG. 10 is an enlarged view at H of the present application;
FIG. 11 is a schematic diagram showing the combined use of a plurality of foundation pile segments according to the present application;
FIG. 12 is a J-J cross-sectional view of the present application;
FIG. 13 is an enlarged view at K of the present application;
FIG. 14 is an exploded view of the present application;
FIG. 15 is an exploded view II of the present application;
FIG. 16 is an exploded view III of the present application;
FIG. 17 is an exploded view IV of the present application;
FIG. 18 is a second internal structural view of the foundation pile section of the present application;
FIG. 19 is a view of the construction of the appearance of a foundation pile section of the present application;
FIG. 20 is a schematic diagram showing a combination of multiple foundation pile segments according to the present application.
The reference numerals in the figures illustrate:
1. three-dimensional steel bar support; 2. a pre-stress tube; 3. a buffer layer; 4. a ring beam; 5. a repair chamber; 6. a self-repairing layer; 7. an upper mounting plate; 8. a lower mounting plate; 9. a first repair ring; 10. a second repair ring; 11. an epoxy resin; 12. a hardening agent; 13. a bump; 14. repairing the hole; 15. left-handed steel bars; 16. right-handed steel bars; 17. axial reinforcing steel bars; 18. annular steel bars; 19. a cutting sleeve; 20. a first buffer layer; 21. a second buffer layer; 22. and a third buffer layer.
Detailed Description
Three embodiments of the present application are described in detail below with reference to the accompanying drawings.
First embodiment:
fig. 1 to 17 show a reinforced building foundation pile, which comprises a plurality of foundation pile segments, wherein the foundation pile segments are fixedly connected through a plurality of bolts, each foundation pile segment comprises a three-dimensional steel bar support column 1, the outer ends of the three-dimensional steel bar support columns 1 are fixedly connected with a prestressed pipe 2, the outer ends of the prestressed pipes 2 are fixedly connected with a buffer layer 3, the outer ends of the buffer layer 3 are fixedly connected with a plurality of ring beams 4, the ring beams 4 are sequentially contacted with each other from top to bottom, a repair chamber 5 is formed between the ring beams 4 and the buffer layer 3, a self-repair layer 6 is fixedly connected in the repair chamber 5, the top and the bottom of the three-dimensional steel bar support column 1 are respectively fixedly connected with an upper mounting plate 7 and a lower mounting plate 8, the tops and the bottoms of the prestressed pipe 2 and the buffer layer 3 are respectively fixedly connected with the upper mounting plate 7 and the lower mounting plate 8, the upper mounting plate 7 on one foundation pile segment is fixedly connected with the lower mounting plate 8 on the other foundation pile segment through bolts, the self-repairing layer 6 is composed of a plurality of first repairing rings 9 and second repairing rings 10 fixedly connected with the outer ends of the buffer layers 3, the outer ends of the first repairing rings 9 are fixedly connected with the second repairing rings 10, the outer ends of the second repairing rings 10 are fixedly connected with the inner wall of the ring beam 4, the first repairing rings 9 and the second repairing rings 10 are made of glass, epoxy resin 11 and hardener 12 are respectively filled in the first repairing rings 9 and the second repairing rings 10, a plurality of protruding blocks 13 are fixedly connected in the buffer layers 3, the protruding blocks 13 are uniformly distributed around the axis of the buffer layers 3, one ends of the protruding blocks 13 close to the pre-stressing tubes 2 penetrate through the buffer layers 3, one ends of the penetrating parts are fixedly connected with the outer ends of the pre-stressing tubes 2, one ends of the protruding blocks 13 far away from the pre-stressing tubes 2 are separated from the inner wall of the first repairing rings 9 by one to two millimeters, repair holes 14 are formed in positions, corresponding to the bumps 13, of the ring beams 4, the repair holes 14 are uniformly distributed around the axis of the ring beam 4, and the repair holes 14 penetrate through the ring beam 4 along the radial direction of the ring beam 4.
In the reinforced building foundation pile, through the combination of the three-dimensional steel bar support column 1, the prestressed pipe 2 and the multi-layer buffer layer 3, not only slight to strong impact can be effectively absorbed and dispersed, but also damage can be automatically repaired under extreme conditions, and the durability and the safety of the foundation pile are enhanced.
When the foundation pile is used, one foundation pile section is placed at a proper position according to the requirement, a plurality of foundation pile sections are sequentially and fixedly connected with one another through bolts according to the requirement, and materials such as broken stone are filled at the outer end of the foundation pile after the foundation pile is installed, so that the foundation pile is reinforced.
If natural disasters such as earthquakes occur during the use process, when the foundation pile is subjected to vibration and extrusion, if the vibration and extrusion force is small, the three-dimensional steel bar support 1 maintains the geometric and structural integrity before the critical state, at this time, the stress born by the steel bars in the support does not reach the yield strength, in this state, each component of the three-dimensional steel bar support 1 is in an elastic range, that is, all the strains are reversible, and when the external load is removed, the three-dimensional steel bar support 1 can recover the original shape, so that the maximum stress of the three-dimensional steel bar support 1 is kept below the elastic limit of the material under the preset load including but not limited to vertical load, lateral load, shearing force and torque, and at this time, the three-dimensional steel bar support 1 is slightly deformed in the elastic deformation range to buffer the external impact.
When external impact is large, the three-dimensional steel bar support column 1 and the pre-stressing tube 2 work together while elastically deforming, in the elastic deformation range, the three-dimensional steel bar support column 1 and the pre-stressing tube 2 work together to provide reinforcing support for the foundation pile, the pre-stressing tube 2 adopts a pre-stressing technology, tension force is pre-applied inside the tube, the pre-stressing force generates internal stress when the pre-stressing force is not acted by external force, the initial rigidity and load bearing capacity of the structure are improved, when external force such as vertical load or lateral force acts on the structure, the pre-stressing force of the pre-stressing tube 2 is helpful for resisting additional stretching or compression, the stress level of the three-dimensional steel bar support column 1 is reduced, the three-dimensional steel bar support column 1 is designed to only elastically deform when stressed, namely the strain is completely within the elastic limit of the material, after the load is removed, the three-dimensional steel bar support column 1 can be restored to the original undeformed state, the elastic deformation range, the three-dimensional steel bar support column 1 and the pre-stressing tube 2 mutually support each other, the elastic restoring force of the three-dimensional steel bar support column 1 is combined with the pre-stressing tube 2, the pre-stressing force applied by the pre-stressing tube 2, the pre-stressing force is used for maintaining the integral stress, the combined stability, the combined structure under the combined stress and the whole structure under the combined stress and the combined structure has high stability, the combined stability and the overall stress resistance, the stability and the combined structure under the stress and the stress resistance, and the complete resistance performance, can keep the complete stability, and high performance.
When the external impact force continues to increase, the three-dimensional steel bar support column 1 and the pre-stress tube 2 are elastically deformed at the same time, and the buffer layer 3 starts to generate extrusion action, at the moment, the buffer layer 3 is used as a part of an impact absorption system, and absorbs and disperses the extra energy through the physical property of the buffer layer 3, when the composite structure formed by the three-dimensional steel bar support column 1 and the pre-stress tube 2 extrudes the buffer layer 3, the material property of the buffer layer 3 allows the buffer layer 3 to deform under compression, the pressure of the three-dimensional steel bar support column 1 and the pre-stress tube 2 is shared by the absorbed energy, and the three-dimensional steel bar support column 1 and the pre-stress tube 2 transfer part of energy to the buffer layer 3, wherein the energy is converted into deformation energy of the buffer layer 3, so that the influence on a main bearing structure is reduced, the extrusion and deformation of the buffer layer 3 further disperses the impact energy, and the threat of the impact on the overall stability of the foundation pile system is reduced.
If the impact continues to increase until the buffer layer 3 is completely extruded, at this time, the pre-stressing pipe 2 pushes the plurality of projections 13 to move, a part of the plurality of projections 13 is extruded to the first repair ring 9 and the second repair ring 10, the first repair ring 9 and the second repair ring 10 are broken, the epoxy resin 11 and the hardener 12 in the first repair ring 9 and the second repair ring 10 are mixed with each other to generate chemical reaction, the mixed epoxy resin 11 and hardener 12 react to generate a firm composite material, the material has higher structural strength and adhesiveness, the new material generated by the reaction diffuses to surrounding areas, fills cracks or weak points, and improves the integral structural integrity and the anti-cracking performance of the foundation pile after solidification, the process not only plays an immediate repairing role, prevents further structural damage, but also enhances the resistance of the foundation pile to future impact, the automatic repair mechanism improves the durability and safety of the structure, is particularly suitable for application scenes which may experience heavy loads or extreme conditions, the flow and re-reinforcement of redundant materials, as the reaction proceeds, part of unreacted mixture may exceed the amount required for internal repair, the redundant mixture flows through the preset repair holes 14 of the ring beams 4 and moves to the outer structure of the foundation pile, the inflowing mixture enters the gaps between the ring beams 4 and surrounding earth and crushed stones, as the materials solidify, the structural stability and the connection strength of the areas are enhanced, an additional reinforcement layer is formed at the periphery of the foundation pile, the overall stability and durability of the foundation pile are further improved, the foundation pile is not only internally reinforced, but also more firmly connected with the surrounding soil and the structure at the outer part, the resistance of the foundation pile is improved, particularly in the face of earthquakes, lateral pressure or other extreme conditions, can effectively protect the foundation structure of the building.
Second embodiment:
fig. 1-20 show that a plurality of left-handed steel bars 15 are fixed in the three-dimensional steel bar support 1, one ends, away from each other, of the plurality of left-handed steel bars 15 are fixedly connected with a plurality of right-handed steel bars 16, the plurality of left-handed steel bars 15 and the plurality of right-handed steel bars 16 are all spirally arranged around the axis of the three-dimensional steel bar support 1, the rotation directions of the plurality of left-handed steel bars 15 are all left-handed, and the rotation directions of the plurality of right-handed steel bars 16 are all right-handed.
The end that a plurality of right-handed bars 16 kept away from each other is fixedly connected with a plurality of axial bars 17, and a plurality of axial bars 17 are along three-dimensional steel bar support 1 axis evenly distributed, and a plurality of axial bars 17 all are on a parallel with three-dimensional steel bar support 1 axis direction.
A plurality of ring-shaped reinforcing bars 18 are fixedly connected to one end of the plurality of left-handed reinforcing bars 15, which are close to each other, and one end of the plurality of axial reinforcing bars 17, which are far away from each other.
The upper mounting plate 7 and the lower mounting plate 8 are all provided with grooves at the ends far away from each other, two ends of a plurality of axial reinforcing steel bars 17 respectively penetrate through the upper mounting plate 7 and the lower mounting plate 8 and extend into the grooves on the upper mounting plate 7 and the lower mounting plate 8, and the penetrating parts are all clamped with clamping sleeves 19.
A plurality of left-handed steel bars 15 and right-handed steel bars 16 are fixedly connected with the upper mounting plate 7 and the lower mounting plate 8 in a welding way, pouring grooves are formed in one ends, far away from each other, of the upper mounting plate 7 and the lower mounting plate 8, and after the grooves in the upper mounting plate 7 and the lower mounting plate 8 are installed, molten metal is poured integrally through the pouring grooves.
The left-handed steel bars 15 and right-handed steel bars 16 are staggered in the three-dimensional steel bar support column 1 to form a spiral reinforcing structure, the spiral layout enables the three-dimensional steel bar support column 1 to show higher torsional strength when bearing torque or rotational stress, when external force such as wind load or earthquake force acts on the structure, the spiral steel bars help to disperse the force and reduce local stress concentration, thereby protecting the three-dimensional steel bar support column 1 from excessive distortion, the annular steel bars 18 encircle the support column to provide additional transverse support, the lateral load resistance of the three-dimensional steel bar support column 1 is enhanced, the annular steel bars 18 can effectively resist tension and compression force caused by lateral displacement when the force in the horizontal direction such as lateral earthquake wave acts, the vertical integrity and stability of the three-dimensional steel bar support column 1 are maintained, the axial steel bars 17 arranged along the axis of the three-dimensional steel bar support column 1 mainly bear load in the vertical direction, the pressure transferred by the construction weight and the upper structure enhances the compression resistance of the three-dimensional steel bar support column 1, ensures that the three-dimensional steel bar support column 1 can keep the shape and the bearing capacity under the action of vertical load, avoids crushing or excessive bending, and the axial steel bars 17 arranged along the axis are connected with a plurality of sections of foundation pile sections through the clamping sleeves 19, so that the foundation pile sections can be quickly and accurately assembled on a construction site, the construction efficiency and the flexibility are improved, the structural consistency and the mechanical integrity between the foundation pile sections are ensured by the connection of the axial steel bars 17 formed by the clamping sleeves 19, the whole foundation pile system shows good compression resistance under the vertical load, a plurality of left-handed steel bars 15 and right-handed steel bars 16 are integrally cast together with the clamping sleeves 19 through casting grooves after the installation, a solidified metal connection point is formed, the stability and durability of the structure are enhanced, the use of molten metal provides a strong connection interface which not only strengthens the structural connection between the steel bars and the ferrule 19, but also ensures the stability of the entire foundation pile system under the action of transverse and torsional forces, forming a continuous and integrated structure which helps to disperse stresses caused by soil inhomogeneities, earthquakes or other external influencing factors, reduce possible structural damage, and in addition, the integrally cast design reduces potential weak links at the structural connection points, provides a more uniform force transmission path, thereby enhancing the shock resistance and stability of the entire foundation pile.
Third embodiment:
fig. 1 to 20 show that the buffer layer 3 is composed of a first buffer layer 20, a second buffer layer 21 and a third buffer layer 22 fixedly connected with the outer end of the prestressed pipe 2, the outer end of the first buffer layer 20 is fixedly connected with the second buffer layer 21, and the outer end of the second buffer layer 21 is fixedly connected with the third buffer layer 22.
The first buffer layer 20, the second buffer layer 21 and the third buffer layer 22 are made of elastic materials, and the hardness of the first buffer layer 20, the second buffer layer 21 and the third buffer layer 22 is gradually increased, and the first buffer layer 20, the second buffer layer 21 and the third buffer layer 22 have shearing resistance and allow a certain degree of relative displacement.
The outer ends of the annular beams 4 are provided with bosses, the two ends of the bosses along the axial direction of the annular beam 4 are five to ten centimeters away from the two ends of the annular beam 4 along the axial direction of the annular beam, the two ends of the bosses along the axial direction of the annular beam 4 are symmetrically arranged conical structures, and the annular beam 4 and the corresponding positions of the bolts are provided with abdicating grooves.
And the multi-layer buffer system is used for improving the stability and durability of the building foundation pile. The system comprises three layers of elastic material buffer layers with different hardness, wherein the buffer layers are composed of three layers of elastic materials with different hardness, the layers are a first buffer layer 20, a second buffer layer 21 and a third buffer layer 22 respectively, and the hardness of the three layers of buffer layers is gradually increased, so that the buffer system can play a role under different levels of impact. Under slight impact, the first buffer layer 20 provides preliminary absorption, under stronger impact, the second buffer layer 21 and the third buffer layer 22 participate in absorbing and dispersing impact energy, each layer of buffer material has shearing resistance and can carry out relative displacement to a certain extent under the impact effect, the buffer layer 3 can flexibly cope with forces facing different directions and strengths, the inner structure is effectively protected, the outer end of the annular beam 4 is provided with bosses, the bosses are arranged at two ends of the axial direction of the annular beam 4 and are spaced from the two ends of the annular beam 4 by five to ten centimeters along the axial direction, the conical structure of the bosses is symmetrically arranged, the structural strength of the annular beam 4 is increased, and the corresponding positions of the annular beam 4 and a plurality of bolts are provided with giving way grooves, so that necessary space and flexibility are provided in the installation and maintenance process, the firmness of bolt fixation is ensured, the annular beam 4 provides additional support and stability when the foundation pile is subjected to lateral force or earthquake force, the structural integrity and bearing capacity of the annular beam 4 are enhanced, the structural integrity and bearing capacity of the annular beam 4 are ensured, the performance of the annular beam 4 is kept under various conditions, the overall load is protected by the system and the impact resistance of the annular beam is improved, and the overall load is protected under various conditions, and the condition is particularly the condition that the impact is improved, the overall load is protected under the condition of the condition is improved, and the condition is stressed by the condition that the construction is stressed by the construction.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (9)
1. A reinforced building foundation pile which is characterized in that: comprises a plurality of foundation pile segments, wherein the foundation pile segments are fixedly connected through a plurality of bolts, the foundation pile segments comprise three-dimensional reinforced columns (1), the outer ends of the three-dimensional reinforced columns (1) are fixedly connected with prestressed pipes (2), the outer ends of the prestressed pipes (2) are fixedly connected with buffer layers (3), the outer ends of the buffer layers (3) are fixedly connected with a plurality of annular beams (4), the annular beams (4) are sequentially contacted with each other from top to bottom, a repair chamber (5) is formed between each annular beam (4) and the buffer layer (3), a plurality of self-repairing layers (6) are fixedly connected in each repair chamber (5), the tops and the bottoms of the three-dimensional reinforced columns (1) are respectively fixedly connected with an upper mounting plate (7) and a lower mounting plate (8), the tops and the bottoms of the prestressed pipes (2) and the buffer layers (3) are respectively fixedly connected with the upper mounting plate (7) and the lower mounting plate (8), one upper mounting plate (7) on the foundation pile segment is in contact with the other repair layer (3) from top to bottom in sequence, a first repair layer (10) is fixedly connected with the second repair layer (9) through a first repair layer and a second repair layer (10), the outer end of the second repairing ring (10) is fixedly connected with the inner wall of the annular beam (4), the first repairing ring (9) and the second repairing ring (10) are made of glass, epoxy resin (11) and hardener (12) are respectively filled in the first repairing ring (9) and the second repairing ring (10), a plurality of lugs (13) are fixedly connected in the buffer layer (3), the lugs (13) are uniformly distributed around the axis of the buffer layer (3), the lugs (13) are close to one end of the prestressed pipe (2) and fixedly connected with the outer end of the prestressed pipe (2), one end of the penetrated part is far away from the prestressed pipe (2) and one to two millimeters away from the inner wall of the first repairing ring (9), the annular beam (4) and the lugs (13) are correspondingly provided with repairing holes (14), the lugs (14) are uniformly distributed around the axis of the annular beam (4), and the lugs (14) are uniformly distributed along the radial direction of the annular beam (4).
2. A reinforced building foundation pile according to claim 1, wherein: a plurality of left-handed steel bars (15) are fixed in the three-dimensional steel bar support (1), a plurality of one end fixedly connected with a plurality of right-handed steel bars (16) that left-handed steel bars (15) kept away from each other, a plurality of left-handed steel bars (15) and a plurality of right-handed steel bars (16) all set up around three-dimensional steel bar support (1) axis spiral, and a plurality of left-handed steel bars (15) revolve to the left-handed, and a plurality of right-handed steel bars (16) revolve to the right-handed.
3. A reinforced building foundation pile according to claim 2, wherein: a plurality of right-handed steel bars (16) are kept away from each other one end fixedly connected with a plurality of axial steel bars (17), and a plurality of axial steel bars (17) are along three-dimensional steel bar pillar (1) axis evenly distributed, and a plurality of axial steel bars (17) all are on a parallel with three-dimensional steel bar pillar (1) axis direction.
4. A reinforced building foundation pile according to claim 2, wherein: and a plurality of annular steel bars (18) are fixedly connected with one end, close to each other, of the left-hand steel bars (15) and one end, far away from each other, of the axial steel bars (17).
5. A reinforced building foundation pile as defined in claim 4, wherein: the upper mounting plate (7) and the lower mounting plate (8) are respectively provided with a groove at one end far away from each other, a plurality of axial reinforcing steel bars (17) penetrate through the upper mounting plate (7) and the lower mounting plate (8) respectively and extend into the grooves on the upper mounting plate (7) and the lower mounting plate (8), and the penetrating parts are respectively clamped with clamping sleeves (19).
6. A reinforced building foundation pile according to claim 2, wherein: a plurality of left-handed steel bars (15) and right-handed steel bars (16) are all fixedly connected with the upper mounting plate (7) and the lower mounting plate (8) through welding, pouring grooves are formed in one ends, far away from each other, of the upper mounting plate (7) and the lower mounting plate (8), and after the installation is completed, the grooves in the upper mounting plate (7) and the lower mounting plate (8) are integrally poured through the pouring grooves by molten metal.
7. A reinforced building foundation pile according to claim 1, wherein: the buffer layer (3) is composed of a first buffer layer (20), a second buffer layer (21) and a third buffer layer (22) which are fixedly connected with the outer end of the prestress tube (2), the outer end of the first buffer layer (20) is fixedly connected with the second buffer layer (21), and the outer end of the second buffer layer (21) is fixedly connected with the third buffer layer (22).
8. A reinforced building foundation pile as defined in claim 7, wherein: the first buffer layer (20), the second buffer layer (21) and the third buffer layer (22) are made of elastic materials, the hardness of the first buffer layer (20), the hardness of the second buffer layer (21) and the hardness of the third buffer layer (22) are gradually increased, and the first buffer layer (20), the second buffer layer (21) and the third buffer layer (22) have shearing resistance.
9. A reinforced building foundation pile according to claim 1, wherein: the outer ends of the annular beams (4) are provided with bosses, the two ends of the bosses along the axial direction of the annular beams (4) are five to ten centimeters away from the two ends of the annular beams (4) along the axial direction of the annular beams, the two ends of the bosses along the axial direction of the annular beams (4) are symmetrically arranged conical structures, and the positions of the annular beams (4) corresponding to the bolts are provided with abdicating grooves.
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| US6219991B1 (en) * | 1990-08-06 | 2001-04-24 | Hexcel Corporation | Method of externally strengthening concrete columns with flexible strap of reinforcing material |
| CN208870066U (en) * | 2018-06-27 | 2019-05-17 | 马民杰 | A kind of civil engineering foundation pile |
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