CN112376552B - Energy-saving pile foundation and construction method thereof - Google Patents
Energy-saving pile foundation and construction method thereof Download PDFInfo
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- CN112376552B CN112376552B CN202011324703.1A CN202011324703A CN112376552B CN 112376552 B CN112376552 B CN 112376552B CN 202011324703 A CN202011324703 A CN 202011324703A CN 112376552 B CN112376552 B CN 112376552B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/34—Foundations for sinking or earthquake territories
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Abstract
The application relates to an energy-saving pile foundation and a construction method thereof, relating to the field of pile foundation engineering and solving the problems of low bearing capacity and easy settlement of the existing pile foundation, wherein the energy-saving pile foundation comprises a bearing part, a bearing base and a bearing platform for directly supporting or fixing a building, the bottom of the bearing platform is fixedly connected with the top end of the bearing part, the bearing part is fixedly connected on the bearing base and comprises a metal hollow pipe and a steel bar bundle, the steel bar bundle is arranged in the metal hollow pipe, the interior of the metal hollow pipe is filled with concrete for enhancing the internal structural strength of the bearing part, so that the bearing part is firmer, the bottom of the bearing base is fixedly connected with an anchoring part for stably supporting the bearing base, a plurality of support groups capable of sliding are arranged in the bearing base, and each support group comprises a strip-shaped sliding plate, the pile foundation fixing device is used for being inserted into soil to fix the pile foundation. This application has the pile foundation and fixes stably, is difficult for taking place to sink, the higher effect of bearing capacity simultaneously.
Description
Technical Field
The application relates to the field of pile foundation engineering, in particular to an energy-saving pile foundation and a construction method thereof.
Background
The pile foundation is generally a deep foundation consisting of piles and a cap connected to the top of the piles or a single pile foundation consisting of columns connected to the pile foundation, and is generally used to support and fix a building on a soft foundation.
When being under construction around existing building, when the construction position is close original pile foundation, because the soil body horizontal displacement that the soil body loss produced makes partial soil body and pile foundation's side throw off, thereby cause the reduction of side frictional resistance, and the total load that the pile foundation bore is unchangeable usually, the reduction of side frictional resistance inevitably leads to the increase of pile end resistance, then arouse the compression of the soil body below the pile end, the pile foundation subsides in conjunction with the initiation, cause the engineering accident, consequently, the bearing capacity and the settlement problem of pile foundation await the opportune moment and solve.
Disclosure of Invention
In order to improve the bearing capacity of the pile foundation in use and prevent the pile foundation from settling, the application provides an energy-saving pile foundation and a construction method thereof.
In a first aspect, the present application provides an energy-saving pile foundation, which adopts the following technical scheme:
the utility model provides an energy-saving pile foundation, includes the bearing part, bears the base and is used for directly supporting or the cushion cap of fixed building, the bottom of cushion cap and the top fixed connection of bearing part, bearing part fixed connection is on bearing the base, the bearing part includes hollow metal tube and tendon, the tendon sets up in hollow metal tube's inside, the inside of hollow metal tube is filled through the concrete for the internal structure intensity of reinforcing bearing part makes the bearing part more firm, just the bottom fixedly connected with anchor portion of bearing the base for make the firm support of bearing the base, the inside of bearing the base is equipped with a plurality of gliding support groups, support group includes the bar slide for insert fixed pile foundation in the soil.
Through adopting above-mentioned technical scheme, hollow metal tube's inside sets up the tendon, packs the concrete again in to hollow metal tube, improves the structural strength of bearing part, makes the bearing part more firm, improves the bearing capacity of foundation pile, bears the inside bar slide slidable of base simultaneously and inserts in the soil layer, increases the area of contact of pile foundation and soil layer to the pile foundation is difficult for taking place to sink.
Optionally, the bottom end of the bearing portion is poured on the upper surface of the bearing base, the central line of the bearing portion is overlapped with the central line of the bearing base, and the bearing portion is perpendicular to the bearing base.
Through adopting above-mentioned technical scheme, become integrative with prefabricated bearing part and bearing base connection, need not to pour the pile foundation in the underground, it is more convenient to be under construction, practices thrift the cost and the efficiency of construction is higher.
Optionally, the length of the tendon is greater than that of the hollow metal pipe, a metal ring is fixedly connected to the top end of the tendon, a first opening is formed in the middle of the metal ring, a second opening, the center of which is on the same axis as the first opening, is formed in the bottom end of the hollow metal pipe, the diameter of the first opening is smaller than that of the second opening, the cross section of the tendon is annular, and the metal ring is fixedly connected to the top end of the hollow metal pipe.
Through adopting above-mentioned technical scheme, during the tendon can insert hollow metal tube, be connected becket and hollow metal tube, be convenient for make tendon and hollow metal tube connect into a whole, stretch out in the hollow metal tube in the bottom of tendon, be convenient for connect on bearing the weight of the base, make the wholeness after connecting better, stability is stronger.
Optionally, a waterproof mortar layer for preventing water seepage is poured at the connecting part of the bearing part and the bearing base, and the waterproof mortar layer is poured around the bearing part and outside the bearing part and the bearing base.
Through adopting above-mentioned technical scheme, pour waterproof mortar layer in the junction of bearing part and bearing base, can prevent that moisture in the earth from getting into in the bearing part, be connected with bearing base to the bearing part and cause the influence, influence its support performance.
Optionally, bear the base and be the cylinder that concrete placement formed, just the diameter that bears the base is the same with the bottom diameter of hollow metal tube, the top of anchor portion is pour inside the bottom that bears the weight of, anchor portion includes that a plurality of bottoms are the metal stock of taper shape, just the metal stock is annular distribution for insert and place in the underground.
Through adopting above-mentioned technical scheme, the metal stock that bears the base can insert the underground to improve the steadiness that bears the base.
Optionally, a circular groove is formed in the middle of the bottom end of the bearing base, a concrete expanding agent is arranged inside the circular groove, a gravel layer used for covering the circular groove is arranged at the position of the circular groove, and the gravel layer can adsorb moisture in soil.
Through adopting above-mentioned technical scheme, the water absorption capacity on grit layer is better, can absorb the moisture in the soil after with ground contact to make the concrete expanding agent take place the inflation.
Optionally, one side fixedly connected with of bar slide is the slider of bar, the slider is the steel with the material of bar slide, just the inclined plane of two symmetries is seted up to one side that the slider was kept away from to the bar slide, is convenient for insert in the soil layer.
By adopting the technical scheme, the sliding blocks and the strip-shaped through holes are made of steel, and the strip-shaped sliding plates can be easily inserted into the soil layer due to the symmetrical inclined plane.
Optionally, the smooth bar groove of inner wall that a plurality of symmetrical arrangements were seted up to the lateral wall of circular recess, the outer wall that bears the base is seted up a plurality of centers and bar groove at the bar through-hole of same axis, the area of bar through-hole is less than the area of bar groove tangent plane, the inside of bar groove is located to the support group, sliding connection between the inner wall of slider and bar groove, bar slide and bar through-hole looks adaptation.
Through adopting above-mentioned technical scheme, slider and bar slide can slide in the bar recess, promote the slider through the concrete expanding agent, make the bar slide stretch out from bearing the base, during the bar slide inserts soil to can make the pile foundation be difficult for sinking.
In a second aspect, the present application provides a construction method of an energy-saving pile foundation, which adopts the following technical scheme:
the construction method of the energy-saving pile foundation comprises the following construction steps:
the method comprises the following steps: prefabricating a bearing part, welding the metal ring to the top end of the steel bar bundle, inserting the steel bar bundle into the hollow metal pipe, and welding the edge of the metal ring with the edge of the top end of the hollow metal pipe;
step two: arranging a bearing base mold, wherein a plurality of circular grooves which are annularly arranged are formed in the bottom of the cylindrical mold, and metal anchor rods are placed in the circular grooves;
step three: pouring a bearing base, and pouring concrete into the cylindrical mold to form the bearing base;
step four: the bearing part is vertically inserted into the bearing base when the concrete of the bearing base is not solidified, so that the central line of the bearing part is ensured to be superposed with the central line of the bearing base, and the bearing part and the bearing base are connected into a whole;
step five: pouring a waterproof mortar layer, and pouring the waterproof mortar layer to the connecting part of the bearing part and the bearing base after the concrete of the bearing base is solidified, so that the waterproof mortar layer completely covers the connecting part of the bearing part and the bearing base;
step six: the bearing base is grooved, a circular groove is formed in the center of the bottom end of the bearing base, a plurality of strip-shaped grooves are formed in the side walls of the circular groove, the inner walls of the strip-shaped grooves are polished smoothly, a sliding block is arranged in each strip-shaped groove, a strip-shaped sliding plate is welded on one side, far away from the circular groove, of the sliding block, one side, far away from the sliding block, of each strip-shaped sliding plate is polished to be a symmetrical inclined plane, strip-shaped through holes with the same number as the strip-shaped grooves are formed in the outer wall of the bearing base, the center lines of the strip-shaped through holes are enabled to be coincident with the strip-shaped grooves, the strip-shaped sliding plates can extend out of the strip-shaped through holes, and the strip-shaped sliding plates are initially arranged inside the strip-shaped grooves;
step seven: adding an expanding agent, placing the concrete expanding agent in the circular groove, and covering the circular groove by arranging a sand stone layer to enable the expanding agent to be positioned in the circular groove;
step eight: positioning, measuring and determining the position of the pile foundation, and then determining the position of the center of the pile foundation;
step nine: embedding a pile casing, and embedding the pile casing at the position of a pile foundation to ensure that the center line of the pile casing is superposed with the center line of the foundation pile;
step ten: drilling, namely drilling a mounting hole for mounting the pile foundation by using a drilling machine, wherein the aperture of the mounting hole is the same as the width of the pile foundation;
step eleven: installing the pile foundation in the installation hole, inserting the metal anchor rod into the ground, and extending the top end of the bearing part out of the ground;
step twelve: pouring concrete into the interior of the hollow metal pipe, wherein the concrete in the hollow metal pipe is poured into the first opening;
step thirteen: pulling out the protective cylinder at the mounting hole after grouting;
fourteen steps: mounting the bearing platform on the top end of the foundation pile to enable the center line of the bearing platform to be superposed with the center line of the foundation pile;
step fifteen: and (5) concrete curing.
In summary, the present application includes at least the following advantageous technical effects:
1. the reinforcing steel bar bundles are arranged inside the hollow metal pipe, concrete is filled into the hollow metal pipe, the structural strength of the bearing part is improved, the bearing part is firmer, the bearing capacity of the foundation pile is improved, the anchoring part can be inserted into the soil, the pile foundation is fixed and stable, meanwhile, the strip-shaped sliding plate inside the bearing base can be slidably inserted into the soil layer, the contact area between the pile foundation and the soil layer is increased, and therefore the pile foundation is not prone to sinking;
2. the reinforcing bar can insert in the metal hollow tube, is connected the becket with metal hollow tube, is convenient for make reinforcing bar and metal hollow tube connect into a whole, and the bottom of reinforcing bar stretches out from metal hollow tube, is convenient for connect the supporting part on bearing the base, makes the wholeness after connecting better, and stability is stronger.
3. Through setting up the gravel layer in circular recess department, because the water absorption capacity on gravel layer is better, can absorb the moisture in the soil after contacting with ground, behind the moisture in the concrete expanding agent absorption gravel layer to make the concrete expanding agent take place the inflation.
Drawings
Fig. 1 is a schematic overall structural view of a display load-bearing part according to an embodiment of the present application.
Fig. 2 is a front view structural diagram of a display carrier according to an embodiment of the present application.
Fig. 3 is a schematic front view of the structure of the embodiment of the present application.
Fig. 4 is a schematic bottom view of the embodiment of the present application.
Fig. 5 is a schematic cross-sectional structural view of a load-bearing base according to an embodiment of the present application.
Reference numerals: 1. a bearing part; 11. a metal hollow pipe; 12. a tendon; 13. a metal ring; 2. a load bearing base; 21. a circular groove; 22. a strip-shaped groove; 23. a strip-shaped through hole; 3. a bearing platform; 4. an anchoring part; 5. a support group; 51. a slider; 52. a strip-shaped sliding plate; 6. a waterproof mortar layer; 7. a concrete expanding agent; 8. a sand stone layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The pile foundation is generally a deep foundation consisting of piles and a cap connected to the top of the piles or a single pile foundation consisting of columns connected to the pile foundation, and is generally used to support and fix a building on a soft foundation, and the bearing capacity of the pile foundation is generally composed of two parts, one part is side friction generated by the contact of the soil body and the side surface of the pile foundation, the other part is pile end resistance generated by the contact of the bottom surface of the pile foundation and the soil body, when the construction is carried out around the existing building, when the construction part is close to the original pile foundation, the horizontal displacement of the soil body generated by the soil body loss causes the partial soil body to be separated from the side surface of the pile foundation, thereby cause the reduction of side frictional resistance, and the total load that the pile foundation bore is unchangeable usually, and the reduction of side frictional resistance inevitably leads to the increase of pile end resistance, arouses the compression of the soil body below the pile end then, and the pile foundation subsides in conjunction with initiation, causes the engineering accident, and consequently the bearing capacity of pile foundation and the problem of subsiding are waited to solve urgently.
The embodiment of the application discloses energy-saving pile foundation.
Referring to fig. 1-5, the energy-saving pile foundation includes a bearing part 1 and a bearing base 2, the bearing part 1 is poured on the bearing base 2, the bearing part 1 includes a hollow metal tube 11 and a tendon 12, the length of the tendon 12 is greater than that of the hollow metal tube 11, a metal ring 13 is welded on the top end of the tendon 12, a first opening is opened in the middle of the metal ring 13, the bottom end of the hollow metal tube 11 is provided with a second opening, the center of which is coaxial with the first opening, the diameter of the first opening is smaller than that of the second opening, the cross section of the tendon 12 is annular, the metal ring 13 is welded with the top end of the hollow metal tube 11, the bottom end of the tendon 12 penetrates out of the hollow metal tube 11, the bottom end of the tendon 12 is poured inside the bearing base 2, the center line of the bearing part 1 is coincident with the center line of the bearing base 2, and the bearing part 1 is vertical to the bearing base 2.
The interior of the hollow metal pipe 11 is filled with concrete for enhancing the internal structural strength of the bearing part 1, so that the bearing part 1 is firmer.
Bear the bottom of base 2 and pour anchor portion 4, anchor portion 4 includes that a plurality of bottoms are the metal stock of taper shape, and the metal stock is the annular and distributes for insert and arrange underground and make and bear base 2 fixed stable.
The top end of the bearing part 1 is also provided with a bearing platform 3 for directly supporting or fixing a building, and the bottom of the bearing platform 3 is poured on the top end of the bearing part 1.
The embodiment of the application also discloses a construction method of the energy-saving pile foundation.
The construction method of the energy-saving pile foundation comprises the following construction steps:
the method comprises the following steps: prefabricating the bearing part 1, welding the metal rings 13 at the top ends of the tendons 12, then inserting the tendons 12 into the hollow metal pipes 11, and welding the edges of the metal rings 13 with the top ends of the hollow metal pipes 11, thereby integrally connecting the tendons 12, the metal rings 13 and the hollow metal pipes 11;
step two: arranging a bearing base 2 mould, wherein a plurality of circular grooves 21 which are annularly arranged are formed in the bottom of a groove of a cylindrical mould with the depth of 1 m and the width of 0.5 m, and metal anchor rods are placed in the circular grooves 21;
step three: pouring the bearing base 2, pouring concrete into the cylindrical mold to form the bearing base 2, and simultaneously pouring the metal anchor rod into the bearing base 2;
step four: connecting the bearing part 1 and the bearing base 2, vertically inserting the bearing part 1 into the bearing base 2 when the concrete of the bearing base 2 is not solidified, and enabling the reinforcing steel bar bundles 12 to enter the bearing base 2 to ensure that the central line of the bearing part 1 is superposed with the central line of the bearing base 2, so that the bearing part 1 and the bearing base 2 are connected into a whole;
step five: pouring a waterproof mortar layer 6, pouring the waterproof mortar layer 6 to the connecting part of the bearing part 1 and the bearing base 2 after the concrete of the bearing base 2 is solidified, so that the waterproof mortar layer 6 completely covers the connecting part of the bearing part 1 and the bearing base 2 along the ring shape, and can prevent water in soil from entering the bearing part 1 to influence the connection of the bearing part 1 and the bearing base 2 and influence the supporting performance of the bearing part 1 and the bearing base 2;
step six: the bearing base 2 is provided with a groove, a circular groove 21 is formed in the center of the bottom end of the bearing base 2, a plurality of strip-shaped grooves 22 are formed in the side wall of the circular groove 21, the inner walls of the strip-shaped grooves 22 are polished smoothly, a sliding block 51 is arranged in each strip-shaped groove 22, a strip-shaped sliding plate 52 is welded on one side, away from the circular groove 21, of the sliding block 51, one side, away from the sliding block 51, of the strip-shaped sliding plate 52 is polished to be symmetrical inclined planes, strip-shaped through holes 23 with the same number as the strip-shaped grooves 22 are formed in the outer wall of the bearing base 2, the central line of each strip-shaped through hole 23 is guaranteed to be coincident with the corresponding strip-shaped groove 22, each strip-shaped sliding plate 52 can extend out of each strip-shaped through hole 23, and each strip-shaped sliding plate 52 is initially arranged inside each strip-shaped groove 22;
step seven: adding an expanding agent, placing a concrete expanding agent 7 in the circular groove 21, and covering the circular groove 21 by arranging the gravel layer 8, so that the concrete expanding agent 7 is positioned in the circular groove 21, the gravel layer 8 can absorb moisture in soil, and the concrete expanding agent 7 contacts the moisture absorbed by the gravel layer 8, so that the concrete expanding agent 7 is expanded;
step eight: positioning, namely measuring and determining the position of the pile foundation, and then determining the position of the center of the pile foundation, so that the pile foundation can be accurately installed at the position to be placed;
step nine: embedding a pile casing, embedding the pile casing at the position of the pile foundation, so that the center line of the pile casing is superposed with the center line of the foundation pile, and preventing soil from loosening during drilling to influence the opening of the pile foundation;
step ten: drilling, namely drilling a mounting hole for mounting the pile foundation by using a drilling machine, wherein the aperture of the mounting hole is the same as the width of the pile foundation, so that the pile foundation can be stably fixed in the mounting hole;
step eleven: the pile foundation is installed in the installation hole, so that the metal anchor rod is inserted into the ground, the top end of the bearing part 1 extends out of the ground, and the metal anchor rod is inserted into the ground, so that the pile foundation is installed more stably without deviation;
step twelve: by pouring concrete into the metal hollow pipe 11 and pouring the concrete in the metal hollow pipe 11 to the first opening, the structural strength of the bearing part 1 is improved, the bearing part 1 is firmer, and the bearing capacity of the foundation pile is improved;
step thirteen: pulling out the protective cylinder at the mounting hole after grouting;
fourteen steps: installing a bearing platform 3 at the top end of the foundation pile, and enabling the central line of the bearing platform 3 to be superposed with the central line of the foundation pile for directly supporting or fixing a building;
step fifteen: the concrete is cured to solidify the concrete, and the use strength is higher.
The implementation principle of the energy-saving pile foundation in the embodiment of the application is as follows: by welding the metal rings 13 on the top ends of the steel tendons 12, inserting the steel tendons 12 into the metal hollow pipes 11, welding the metal rings 13 with the top ends of the metal hollow pipes 11, pouring the steel tendons 12 into the bearing base 2, connecting the metal hollow pipes 11 with the bottom ends of the bearing base 2, pouring the waterproof mortar layer 6 on the connecting part of the metal hollow pipes 11 and the bearing base 2, pouring concrete into the metal hollow pipes 11, pouring the metal anchor rods for fixing the bearing base 2 at the bottom ends of the bearing base 2, inserting the metal anchor rods into the ground, and adsorbing underground moisture through the gravel layer 8, thereby expanding the concrete expanding agent 7, pushing the slide block 51 and the strip-shaped slide plate 52 to slide, inserting the strip-shaped slide plate 52 into the soil layer, the contact area of the bearing base 2 and the soil layer is increased, the settlement is prevented, and the bearing platform 3 is installed at the top end of the pile foundation and is used for supporting and fixing the building.
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 (9)
1. A construction method of an energy-saving pile foundation is characterized by comprising the following steps: the construction method comprises the following construction steps:
the method comprises the following steps: prefabricating the bearing part (1), welding the metal ring (13) at the top end of the steel bar bundle (12), inserting the steel bar bundle (12) into the hollow metal pipe (11), and welding the edge of the metal ring (13) with the top end edge of the hollow metal pipe (11);
step two: arranging a bearing base (2) mould, arranging a plurality of circular grooves (21) which are annularly arranged at the bottom of a cylindrical mould, and placing metal anchor rods in the circular grooves (21);
step three: pouring a bearing base (2), and pouring concrete into the cylindrical mold to form the bearing base (2);
step four: the bearing part (1) and the bearing base (2) are connected, when the concrete of the bearing base (2) is not solidified, the bearing part (1) is vertically inserted into the bearing base (2), the central line of the bearing part (1) is ensured to be superposed with the central line of the bearing base (2), and the bearing part (1) and the bearing base (2) are connected into a whole;
step five: pouring a waterproof mortar layer (6), after the concrete of the bearing base (2) is solidified, pouring the waterproof mortar layer (6) to the connecting part of the bearing part (1) and the bearing base (2) so that the waterproof mortar layer (6) completely covers the connecting part of the bearing part (1) and the bearing base (2);
step six: the bearing base (2) is grooved, a circular groove (21) is formed in the center of the bottom end of the bearing base (2), a plurality of strip-shaped grooves (22) are formed in the side wall of the circular groove (21), the inner walls of the strip-shaped grooves (22) are polished smoothly, a sliding block (51) is arranged in each strip-shaped groove (22), a strip-shaped sliding plate (52) is welded on one side, away from the circular groove (21), of the sliding block (51), one side, away from the sliding block (51), of the strip-shaped sliding plate (52) is polished to be symmetrical inclined planes, strip-shaped through holes (23) with the same number as the strip-shaped grooves (22) are formed in the outer wall of the bearing base (2), the center line of each strip-shaped through hole (23) is enabled to coincide with the corresponding strip-shaped groove (22), each strip-shaped sliding plate (52) can extend out of each strip-shaped through hole (23), and each strip-shaped sliding plate (52) is arranged inside the corresponding strip-shaped groove (22) initially;
step seven: adding an expanding agent, placing a concrete expanding agent (7) in the circular groove (21), and covering the circular groove (21) by arranging a sand stone layer (8) to enable the expanding agent to be positioned in the circular groove (21);
step eight: positioning, measuring and determining the position of the pile foundation, and then determining the position of the center of the pile foundation;
step nine: embedding a pile casing, and embedding the pile casing at the position of a pile foundation to ensure that the center line of the pile casing is superposed with the center line of the foundation pile;
step ten: drilling, namely drilling a mounting hole for mounting the pile foundation by using a drilling machine, wherein the aperture of the mounting hole is the same as the width of the pile foundation;
step eleven: installing the pile foundation in the installation hole, inserting the metal anchor rod into the ground, and extending the top end of the bearing part (1) out of the ground;
step twelve: pouring concrete into the interior of the hollow metal pipe (11), wherein the concrete in the hollow metal pipe (11) is poured into the first opening;
step thirteen: pulling out the protective cylinder at the mounting hole after grouting;
fourteen steps: mounting the bearing platform (3) at the top end of the foundation pile to enable the center line of the bearing platform (3) to be superposed with the center line of the foundation pile;
step fifteen: and (5) concrete curing.
2. The energy-saving pile foundation of the construction method of the energy-saving pile foundation according to claim 1, characterized in that: comprises a bearing part (1), a bearing base (2) and a bearing platform (3), the bottom of the bearing platform (3) is fixedly connected with the top end of the bearing part (1), the bearing part (1) is fixedly connected to the bearing base (2), the bearing part (1) comprises a metal hollow pipe (11) and a reinforcing steel bar bundle (12), the reinforcing steel bar bundles (12) are arranged inside the hollow metal pipe (11), the inside of the hollow metal pipe (11) is filled with concrete, used for enhancing the internal structural strength of the bearing part (1) and leading the bearing part (1) to be firmer, and the bottom of the bearing base (2) is fixedly connected with an anchoring part (4), used for stably supporting the bearing base (2), a plurality of support groups (5) which can slide are arranged inside the bearing base (2), the support group (5) comprises a strip-shaped sliding plate (52) which is used for being inserted into soil to fix the pile foundation.
3. The energy-saving pile foundation of claim 2, wherein: the bottom end of the bearing part (1) is poured on the upper surface of the bearing base (2), the central line of the bearing part (1) is superposed with the central line of the bearing base (2), and the bearing part (1) is vertical to the bearing base (2).
4. The energy-saving pile foundation of claim 3, wherein: the length of the reinforcing steel bar bundle (12) is greater than that of the hollow metal pipe (11), a metal ring (13) is fixedly connected to the top end of the reinforcing steel bar bundle (12), a first opening is formed in the middle of the metal ring (13), a second opening is formed in the bottom end of the hollow metal pipe (11), the center of the second opening and the first opening are located on the same axis, the diameter of the first opening is smaller than that of the second opening, the cross section of the reinforcing steel bar bundle (12) is annular, and the metal ring (13) is fixedly connected with the top end of the hollow metal pipe (11).
5. The energy-saving pile foundation of claim 4, wherein: the bearing part (1) and the connecting part of the bearing base (2) are poured with a waterproof mortar layer (6) for preventing water seepage, and the waterproof mortar layer (6) is poured around the bearing part (1) outside the bearing part (1) and the bearing base (2).
6. The energy-saving pile foundation of claim 5, wherein: bear base (2) for the cylinder that concrete placement formed, just the diameter that bears base (2) is the same with the bottom diameter of hollow metal tube (11), the top of anchor portion (4) is pour inside the bottom that bears, anchor portion (4) include a plurality of bottoms for the metal stock of taper, just the metal stock is annular distribution for insert and place in the underground.
7. The energy-saving pile foundation of claim 6, wherein: circular recess (21) have been seted up in the bottom middle part that bears base (2), the inside of circular recess (21) is equipped with concrete expanding agent (7), circular recess (21) department is provided with gravel layer (8) that are used for covering circular recess (21), gravel layer (8) can adsorb the moisture in the soil.
8. The energy-saving pile foundation of claim 7, wherein: one side fixedly connected with of bar slide (52) is slider (51) of bar, the material of slider (51) and bar slide (52) is the steel, just slider (51) is kept away from in bar slide (52) one side seted up the inclined plane of two symmetries to in inserting the soil layer.
9. The energy-saving pile foundation of claim 8, wherein: smooth bar groove (22) of inner wall that a plurality of symmetrical arrangements were seted up to the lateral wall of circular recess (21), the outer wall that bears base (2) has seted up bar through-hole (23) of a plurality of centers and bar groove (22) at same axis, the area of bar through-hole (23) is less than the area of bar groove (22) tangent plane, the inside of bar groove (22) is located in support group (5), sliding connection between the inner wall of slider (51) and bar groove (22), bar slide (52) and bar through-hole (23) looks adaptation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011324703.1A CN112376552B (en) | 2020-11-24 | 2020-11-24 | Energy-saving pile foundation and construction method thereof |
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| CN202011324703.1A CN112376552B (en) | 2020-11-24 | 2020-11-24 | Energy-saving pile foundation and construction method thereof |
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| CN112376552B true CN112376552B (en) | 2021-07-30 |
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| CN114086549A (en) * | 2021-11-10 | 2022-02-25 | 中国建筑第四工程局有限公司 | Pile foundation punching and drilling reinforcing device based on relatively broken rock mass |
| CN116876330B (en) * | 2023-09-08 | 2023-11-28 | 福建省高速公路科技创新研究院有限公司 | UHPC prefabricated shell membrane and combined pier structure using same |
| CN117569361A (en) * | 2023-12-01 | 2024-02-20 | 中国水利水电第一工程局有限公司 | House building pile foundation structure and construction method |
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| CN101250880B (en) * | 2007-12-19 | 2010-12-08 | 中铁大桥局集团第一工程有限公司 | Method for embedding and fixing steel tube concrete pile and steel tube pile anchor |
| CN102051876B (en) * | 2010-12-09 | 2012-05-09 | 河海大学 | Novel tree root structure pile and construction process thereof |
| KR101349297B1 (en) * | 2012-03-08 | 2014-01-13 | (주)한맥기술 | Concrete Strengthening Steel Tube Pile and Manufacturing Method thereof |
| JP5551750B2 (en) * | 2012-10-02 | 2014-07-16 | 株式会社技研製作所 | Ground bite type support pile |
| CN104895057A (en) * | 2015-05-15 | 2015-09-09 | 上海长凯岩土工程有限公司 | Big diameter steel pipe protective wall artificial digging-hole bottom expanding pile and building foundation reinforcement method |
| CN106522210B (en) * | 2016-11-09 | 2018-12-18 | 中交路桥华东工程有限公司 | A kind of naked rock geology stress steel-pipe pile stake bottom anchoring structure |
| CN107059908A (en) * | 2017-05-23 | 2017-08-18 | 安徽工程大学 | Large diameter steel pipe concrete-pile |
| CN209323291U (en) * | 2018-11-07 | 2019-08-30 | 安徽恒通交通工程有限公司 | A kind of anti-settling road structure |
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