CN217998141U - Building multi-pile foundation bearing platform and template for pouring bearing platform - Google Patents
Building multi-pile foundation bearing platform and template for pouring bearing platform Download PDFInfo
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- CN217998141U CN217998141U CN202222251547.1U CN202222251547U CN217998141U CN 217998141 U CN217998141 U CN 217998141U CN 202222251547 U CN202222251547 U CN 202222251547U CN 217998141 U CN217998141 U CN 217998141U
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Abstract
The application discloses a multi-pile foundation bearing platform of a building and a template for pouring the bearing platform, wherein the multi-pile foundation bearing platform comprises a pipe pile, a base plate, a bearing platform and a main column; the base plate is connected with the top of the tubular pile; the bearing platform is arranged on the base plate, and a first pouring opening corresponding to the position of the tubular pile is formed in the bearing platform; a reinforcement cage is arranged in the tubular pile, penetrates through the base plate and extends into the first pouring opening; the bearing platform is further provided with a second pouring opening, and the steel bars at the bottom end of the main column are located in the second pouring opening. The construction efficiency of many piles foundation cushion cap can be improved, construction period is shortened.
Description
Technical Field
The application relates to the technical field of foundation bearing platforms, in particular to a building multi-pile foundation bearing platform and a template for pouring the bearing platform.
Background
The pile cap is a structure that when a building adopts a pile foundation, pile tops are connected into an integral foundation by a reinforced concrete platform or a flat plate on a pile group foundation so as to bear load thereon.
In the construction of a pile cap structure, generally, a hole is drilled, a reinforcement cage is bound or welded in the site and placed in a pile hole, and then concrete is poured to form a foundation pile. And then, breaking the top of the foundation pile by using a pile breaking machine to form radial steel bars, weaving a bearing platform steel reinforcement cage on the top of the foundation pile, binding or welding the radial steel bars and the bearing platform steel reinforcement cage, weaving the steel reinforcement cage required by the main column on the top of the bearing platform, and then pouring concrete to form the multi-pile foundation bearing platform.
However, when the bearing platform steel reinforcement cage is weaved, the bearing platform steel reinforcement cage needs to be weaved according to the position and the height of the foundation pile, and the bearing platform steel reinforcement cage needs to be bound or welded with radial steel reinforcements at the top of the foundation pile, so that inconvenience is brought to construction; and the construction efficiency is not high and the construction period is long due to the fact that the reinforcement cage is bound or welded on site and then the concrete is poured.
SUMMERY OF THE UTILITY MODEL
In order to improve the efficiency of construction of many piles of ground cushion cap, reduction of construction period, this application provides a building many piles of ground cushion cap and pours the template of this cushion cap.
The application provides a many piles of foundation cushion cap of building adopts following technical scheme:
in a first aspect, the application provides a multi-pile foundation cap for a building, which adopts the following technical scheme: comprises a tubular pile, a base plate, a bearing platform and a main column;
the base plate is connected with the top of the tubular pile; the bearing platform is arranged on the base plate and provided with a first pouring opening corresponding to the position of the tubular pile;
a reinforcement cage is arranged in the tubular pile, penetrates through the base plate and extends into the first pouring opening;
the bearing platform is further provided with a second pouring opening, and the steel bars at the bottom end of the main column are located in the second pouring opening.
By adopting the technical scheme, the tubular pile is inserted into the designated position, concrete is poured into the tubular pile, the concrete forms a base plate at the top of the tubular pile, and a reinforcement cage positioned in the tubular pile extends out of the base plate; hoisting a bearing platform above the base plate to enable a reinforcement cage at the top of the tubular pile to be positioned in the first pouring opening, connecting the reinforcement cage with the reinforcement in the first pouring opening, hoisting the reinforcement cage of the main column, connecting the reinforcement at the bottom end of the main column with the reinforcement in the second pouring opening, and then pouring concrete into the first pouring opening and the second pouring opening; the utility model provides a cushion cap need not pour in situ, can improve the efficiency of construction of many piles ground cushion cap, shortens construction period.
Optionally, the tubular pile is provided with through holes, and the through holes are arranged in a staggered manner.
By adopting the technical scheme, the foundation pile hole is drilled and excavated at the designated position, the tubular pile is inserted into the foundation pile hole, the concrete is poured into the tubular pile, and the concrete flows into the space between the tubular pile and the foundation pile hole from the through hole, so that the stability of the tubular pile is improved; the through holes arranged in a staggered manner can further improve the uniformity and compactness of concrete pouring.
Optionally, the base plate is provided with anchor rods in a penetrating manner, prestressed steel bars are connected between the anchor rods and are located in the base plate.
By adopting the technical scheme, the anchor rod is inserted after the tubular pile is installed, so that the anchor rod can share the force applied to the tubular pile and the stability of the foundation bearing platform is improved; the prestressed reinforcement can transmit the shearing force between the anchor rods, and the shearing strength of the anchor rods is improved.
Optionally, the tubular pile top is for bearing the head, and from the tubular pile towards the direction of base plate, the cross sectional area who bears the head enlarges gradually.
Through adopting above-mentioned technical scheme, the carrier head is flaring form, can promote the resistance to compression bearing capacity of tubular pile, reduces the settlement phenomenon of tubular pile.
Optionally, the bottom of tubular pile is the pointed cone head, and from the base plate towards the direction of tubular pile, the cross sectional area of pointed cone head diminishes gradually.
By adopting the technical scheme, when the tubular pile is installed in the foundation pile hole, the pointed conical head can enable the tubular pile to be conveniently installed in the foundation pile hole.
Optionally, the base plate is provided with an upright post in a penetrating manner, and the upright post is inserted into the main post.
Through adopting above-mentioned technical scheme, the stand insert in the principal post and with the steel bar connection of principal post bottom, the power that the principal post was received can be shared to the stand, also can promote the antidetonation effect of principal post simultaneously.
Optionally, in a direction from the base plate to the platform, the cross-sectional areas of the first casting opening and the second casting opening gradually increase.
By adopting the technical scheme, the first pouring opening and the second pouring opening are in flaring shapes, so that a constructor can conveniently connect a reinforcement cage at the top of the tubular pile with a reinforcement in the first pouring opening and can conveniently connect a reinforcement at the bottom end of the main column with a reinforcement in the second pouring opening; grouting and vibrating operations during secondary pouring of the first pouring opening and the second pouring opening are facilitated.
In a second aspect, the present application provides a form for casting the above-mentioned bearing platform, which adopts the following technical scheme:
a template for pouring the bearing platform comprises a bottom template, side templates and a top template;
the side templates are provided with clamping assemblies for fixing the adjacent side templates; the clamping assembly comprises a connecting strip and a dovetail strip, the dovetail strip is connected with the side template, and the connecting strip is clamped with the dovetail strip;
the connecting strips on the adjacent side templates are respectively provided with a clamping block and a clamping groove, and the clamping block is clamped with the clamping groove.
By adopting the technical scheme, the connecting strip is fixed on the side templates through the connection of the connecting strip and the dovetail strip, and then the clamping blocks of the connecting strip on the adjacent side templates are connected with the clamping grooves in a clamped mode to enable the connecting strips to be connected, so that the positions of the adjacent side templates are fixed, and the condition that the side templates run out of the mold is reduced.
Optionally, the top template comprises a first top template and a second top template, two ends of the first top template are connected with first connecting plates, two ends of the second top template are connected with second connecting plates, and the first connecting plates and the second connecting plates are respectively connected with the connecting strips.
Through adopting above-mentioned technical scheme, because first connecting plate and second connecting plate are connected with the connecting strip respectively to be fixed in the side form board with first top mould and second top mould on, also can promote the connection stability when concreting.
Optionally, a trapezoidal table is arranged on the top template, and the trapezoidal table comprises a first trapezoidal table and a second trapezoidal table, the first trapezoidal table corresponds to the first pouring opening, and the second trapezoidal table corresponds to the second pouring opening.
By adopting the technical scheme, when concrete is poured into the cavity enclosed by the template, the first trapezoidal platform forms the first pouring opening, the second trapezoidal platform forms the second pouring opening, and the first pouring opening and the second pouring opening are flaring-shaped, so that the first trapezoidal platform and the second trapezoidal platform are also flaring-shaped, and the demoulding operation of the top mould is facilitated.
In summary, the present application includes at least one of the following benefits:
1. inserting the tubular pile into the designated position, pouring concrete into the tubular pile, and integrally pouring the tubular pile and the base plate; hoisting a bearing platform above the base plate, connecting a reinforcement cage at the top end of the tubular pile with the reinforcing steel bars in the first pouring opening, connecting the reinforcing steel bars at the bottom end of the main column with the reinforcing steel bars in the second pouring opening, and then performing secondary pouring in the first pouring opening and the second pouring opening; the bearing platform does not need to be cast in situ, so that the construction efficiency of the multi-pile foundation bearing platform can be improved, and the construction period can be shortened;
2. after the tubular pile is installed, the anchor rod is inserted, so that the anchor rod can share the force applied to the tubular pile, and the stability of the foundation bearing platform is improved; the prestressed reinforcement can transfer the shearing force between the anchor rods, and the shearing strength of the anchor rods is improved;
3. the fixture block and the joint groove looks joint of the connecting strip on the adjacent side form board, and first connecting plate and second connecting plate are connected with the connecting strip respectively simultaneously, can promote the connection stability of side form board, reduce the phenomenon that the side form board ran the mould.
Drawings
FIG. 1 is a schematic view of the overall structure of a foundation cap according to an embodiment of the present invention;
FIG. 2 is an exploded view of a foundation cap according to an embodiment of the present application;
FIG. 3 is a schematic view of the overall structure of multiple groups of foundation bearing platforms according to the embodiment of the present application;
FIG. 4 is a schematic overall structure diagram of a pouring cap formwork according to an embodiment of the present application;
FIG. 5 is an exploded view of a cast platform form according to an embodiment of the present disclosure;
fig. 6 is a schematic view showing a connecting strip and a dovetail strip according to an embodiment of the present application.
Description of reference numerals: 1. a tubular pile; 11. a pointed cone head; 12. a carrier head; 13. a through hole; 2. a substrate; 3. a bearing platform; 31. a first pouring opening; 32. a second pouring opening; 4. a main column; 5. a connecting assembly; 51. an anchor rod; 52. a column; 53. pre-stressing a steel bar; 6. a ground beam; 7. a bottom template; 8. a sideform; 9. a top template; 91. a first top mold plate; 92. a second top template; 93. a first connecting plate; 94. a second connecting plate; 10. a trapezoidal table; 101. a first trapezoidal table; 102. a second trapezoidal platform; 20. a clamping assembly; 201. a connecting strip; 2011. a first connecting bar; 2012. a second connecting bar; 202. a clamping groove; 203. a clamping block; 204. a dovetail groove; 205. a dovetail strip.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses many piles of building foundation cushion cap.
Referring to fig. 1, a multi-pile foundation cap for a building includes pipe piles 1, a base plate 2, and a cap 3. Concrete is poured into tubular pile 1 after tubular pile 1 is buried underground to form base plate 2 at the top of tubular pile 1, cushion cap 3 sets up in one side that tubular pile 1 was kept away from to base plate 2, and one side that base plate 2 was kept away from to cushion cap 3 is provided with principal post 4, and tubular pile 1 can provide the bearing capacity for principal post 4.
Referring to fig. 2, the bottom end of the tubular pile 1 is a pointed cone head 11, the top end of the tubular pile 1 is a bearing head 12, and the cross-sectional areas of the pointed cone head 11 and the bearing head 12 become smaller gradually from top to bottom. A reinforcement cage is placed in the tubular pile 1, a plurality of through holes 13 are axially formed in the tubular pile 1, and the through holes 13 are arranged in a staggered mode. Anchor rods 51 are inserted between the tubular piles 1, prestressed reinforcements 53 are fixedly connected between adjacent anchor rods 51, and the prestressed reinforcements 53 are embedded in the base plate 2.
During construction, a foundation pile hole is drilled and excavated at an appointed position, the tubular pile 1 is inserted into the foundation pile hole, the prefabricated reinforcement cage is placed into the tubular pile 1, concrete is poured into the tubular pile 1, and the compactness of the concrete pouring between the tubular pile 1 and the foundation pile hole can be improved through the staggered through holes 13. And then pouring the top end of the tubular pile 1 to form a base plate 2, positioning the prestressed reinforcement 53 in the base plate 2, and making a reinforcement cage at the top end of the tubular pile 1 penetrate out of the base plate 2 after pouring.
Referring to fig. 2, the bearing platform 3 is a rectangular body, a first pouring port 31 and a second pouring port 32 are reserved on the bearing platform 3, the cross-sectional areas of the first pouring port 31 and the second pouring port 32 are gradually reduced in the top-to-bottom direction, and the first pouring port 31 and the second pouring port 32 penetrate through the bearing platform 3.
In this embodiment, a cushion cap 3 corresponds to four tubular piles 1, and four tubular piles 1 are located the four corners position that is close to cushion cap 3 respectively, and the position of first pouring port 31 and the position one-to-one of tubular pile 1, the steel reinforcement cage in the tubular pile 1 extends to in the first pouring port 31 from base plate 2.
In this embodiment, one bearing platform 3 corresponds to one main column 4, the second pouring port 32 is located in the middle of the bearing platform 3, the position of the main column 4 corresponds to the position of the second pouring port 32, and the steel bar extending out of the bottom end of the main column 4 is located in the second pouring port 32.
Referring to fig. 2, the base plate 2 further has a column 52, in this embodiment, the column 52 may be a steel pile or a steel column, the diameter of the column 52 is smaller than the diameter of the main column 4, the top end of the column 52 extends into the second pouring opening 32, the column 52 is inserted into the bottom end of the main column 4, and the column 52 is connected to the steel bar at the bottom end of the main column 4.
After the base plate 2 is poured and formed, the bearing platform 3 is hoisted, the first pouring opening 31 corresponds to the position of the tubular pile 1, the reinforcing steel bars at the top end of the tubular pile 1 and the reinforcing steel bars on the inner wall of the first pouring opening 31 are bound or welded, the reinforcing steel bars at the bottom end of the main column 4 and the reinforcing steel bars on the inner wall of the second pouring opening 32 are bound or welded, and the first pouring opening 31 and the second pouring opening 32 are poured for the second time, so that the group of multi-pile foundation bearing platform 3 is formed.
Referring to fig. 3, the multi-pile foundation cap 3 may be provided with a plurality of sets, in this embodiment, the multi-pile foundation cap 3 is provided with nine sets, and a ground beam 6 is connected between adjacent multi-pile foundation caps 3, so that the stress stability of the cap 3 can be further improved.
The implementation principle of the multi-pile foundation bearing platform of the building provided by the embodiment of the application is as follows: drilling and excavating a foundation pile hole at a specified position, inserting the tubular piles 1 into the foundation pile hole, inserting anchor rods 51 between the tubular piles 1, connecting the anchor rods 51 with the prestressed reinforcement 53, then pouring concrete into the tubular piles 1, forming a base plate 2 at the top ends of the tubular piles 1, and burying the prestressed reinforcement 53 in the base plate 2;
after the base plate 2 is formed, hoisting the bearing platform 3, connecting a reinforcement cage at the top end of the tubular pile 1 with reinforcements in the first pouring port 31, connecting reinforcements at the bottom end of the main column 4 with reinforcements in the second pouring port 32, and performing secondary pouring on the first pouring port 31 and the second pouring port 32 to form a group of multi-pile foundation bearing platforms 3; when a plurality of groups of multi-pile foundation bearing platforms 3 exist, the adjacent foundation bearing platforms 3 are connected through the ground beam 6.
The embodiment of the application further discloses a template for pouring the bearing platform.
Referring to fig. 4, the formwork for casting the platform 3 includes side formworks 8, a top formwork 9, and a bottom formwork 7. The side formworks 8 are provided with clamping assemblies 20 used for fixing the adjacent side formworks 8, the top formworks 9 and the bottom formworks 7 surround to form a cavity, and concrete is poured into the cavity to form the bearing platform 3.
Referring to fig. 4, the bottom mold plate 7 is a rectangular plate, and the bottom mold plate 7 is horizontally placed on the ground. The sideforms 8 are also rectangular shaped forms, the sideforms 8 being located above the base form 7. Four side formworks 8 are arranged, the four side formworks 8 are all perpendicular to the bottom formwork 7, and the adjacent side formworks 8 are also perpendicular to each other.
Referring to fig. 5 and 6, clip assembly 20 includes a connecting strip 201, a dovetail strip 205, and a latch 203. The dovetail strip 205 is fixedly connected with the side formwork 8, and the cross-sectional area of the dovetail strip 205 is gradually increased from the direction close to the side formwork 8 to the direction far away from the side formwork 8 of the dovetail strip 205. The connecting strip 201 is provided with a dovetail groove 204 along the length direction, and the dovetail groove 204 is matched with the dovetail strip 205 in a sliding manner, so that the connecting strip 201 can be fixed on the surface of the side template 8.
Referring to fig. 5 and 6, the connecting bar 201 includes a first connecting bar 2011 and a second connecting bar 2012, and the first connecting bar 2011 and the second connecting bar 2012 are respectively located on the adjacent sideforms 8. Two ends of the first connecting bar 2011 are provided with a fixture block 203, the fixture block 203 and the first connecting bar 2011 are integrally formed, and two ends of the second connecting bar 2012 are provided with clamping grooves 202. The latch 203 is T-shaped, and the latch 203 is in snap fit with the snap groove 202.
In this embodiment, for further promoting the stability of being connected between the adjacent sideform boards 8, the dovetail strip 205 on each sideform board 8 sets up to two, and two dovetail strips 205 interval sets up and are parallel, and first connecting strip 2011 or second connecting strip 2012 on each sideform board 8 also correspond and set up to two. After the fixture block 203 is matched with the clamping groove 202 in a clamping manner, bolts are arranged at two ends of the second connecting strip 2012 in a penetrating manner and penetrate through the fixture block 203, so that the connection stability between the first connecting strip 2011 and the second connecting strip 2012 can be improved.
Referring to fig. 5, the top mold plate 9 includes a first top mold plate 91, the first top mold plate 91 is a rectangular plate, and the first top mold plate 91 is located above the side mold plate 8. The first top die plate 91 is provided with two, and the two first top die plates 91 are arranged at intervals and are parallel to each other. The top die plate 9 further includes a second top die plate 92, the second top die plate 92 being provided in one, the second top die plate 92 being located above the first top die plate 91.
Referring to fig. 5, first connection plates 93 are integrally formed at both ends of the first top mold plate 91, respectively, and the first connection plates 93 are perpendicular to the first top mold plate 91. First connecting plate 93 downwardly extending to with first connecting bar 2011 keep away from the one side looks butt of side form 8, the rethread bolt is connected first connecting plate 93 and first connecting bar 2011.
Referring to fig. 5, a second connecting plate 94 is integrally formed at each end of the second top mold plate 92, and the second connecting plate 94 is perpendicular to the second top mold plate 92. The second connecting plate 94 extends downwards and abuts against one side of the second connecting strip 2012 remote from the sideform 8, and the second connecting plate 94 is connected with the second connecting strip 2012 by bolts.
In another embodiment of the present application, the positions of the first top mold plate 91 and the second top mold plate 92 may be changed, the first connecting plate 93 and the second connecting strip 2012 may be connected by bolts, and the second connecting plate 94 and the first connecting strip 2011 may be connected.
Referring to fig. 5, a trapezoidal table 10 is provided on the top die plate 9, the trapezoidal table 10 extends downward to abut against the bottom die plate 7, and the cross-sectional area of the trapezoidal table 10 becomes gradually smaller in the direction from the top to the bottom of the trapezoidal table 10. The trapezoid table 10 includes four first trapezoid tables 101, and each first top mold plate 91 is fixedly connected to two first trapezoid tables 101. The trapezoidal table 10 further includes a second trapezoidal table 102, and the second trapezoidal table 102 is fixedly connected to a middle portion of the second top mold plate 92.
When concrete is poured, the four first trapezoidal platforms 101 form four first pouring openings 31, the second trapezoidal platform 102 forms a second pouring opening 32, and the top formwork 9, the side formworks 8 and the bottom formwork 7 are removed to obtain the bearing platform 3.
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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a many piles of foundation cushion cap of building which characterized in that: comprises a tubular pile (1), a base plate (2), a bearing platform (3) and a main column (4);
the base plate (2) is arranged at the top of the tubular pile (1); the bearing platform (3) is arranged on the base plate (2), and the bearing platform (3) is provided with a first pouring opening (31) corresponding to the position of the tubular pile (1);
a reinforcement cage is arranged in the tubular pile (1), penetrates through the base plate (2) and extends into the first pouring opening (31);
the bearing platform (3) is further provided with a second pouring opening (32), and the steel bars at the bottom end of the main column (4) are located in the second pouring opening (32).
2. A building multi-pile foundation cap as claimed in claim 1, wherein: through-hole (13) have been seted up in tubular pile (1), through-hole (13) staggered arrangement.
3. A building multi-pile foundation cap as claimed in claim 1, wherein: anchor rods (51) are arranged in the base plate (2) in a penetrating mode, prestressed steel bars (53) are connected between the anchor rods (51), and the prestressed steel bars (53) are buried in the base plate (2) in an embedded mode.
4. A multi-pile foundation cap for a building according to claim 1, wherein: tubular pile (1) top is for bearing head (12), and from tubular pile (1) towards base plate (2) direction on, the cross sectional area who bears head (12) enlarges gradually.
5. A multi-pile foundation cap for a building according to claim 1, wherein: the bottom of tubular pile (1) is pointed cone head (11), and from base plate (2) towards the direction of tubular pile (1), the cross sectional area of pointed cone head (11) diminishes gradually.
6. A multi-pile foundation cap for a building according to claim 1, wherein: the base plate (2) is provided with an upright post (52) in a penetrating mode, and the upright post (52) is inserted into the main post (4).
7. A multi-pile foundation cap for a building according to claim 1, wherein: the cross-sectional area of the first pouring opening (31) and the second pouring opening (32) is gradually increased in the direction from the base plate (2) to the bearing platform (3).
8. A formwork for casting a multi-pile foundation cap of a building according to any one of claims 1 to 7, characterized in that: comprises a bottom template (7), a side template (8) and a top template (9); the side templates (8) are arranged on the bottom template (7), and the top template (9) is arranged on the side templates (8);
the side formworks (8) are provided with clamping assemblies (20) used for fixing the adjacent side formworks (8); the clamping assembly (20) comprises a connecting strip (201) and a dovetail strip (205), the dovetail strip (205) is connected with the side template (8), and the connecting strip (201) is clamped with the dovetail strip (205);
the connecting strip (201) on the adjacent side templates (8) is respectively provided with a clamping block (203) and a clamping groove (202), and the clamping block (203) is clamped with the clamping groove (202).
9. A template according to claim 8, wherein: the top template (9) comprises a first top template (91) and a second top template (92), two ends of the first top template (91) are connected with first connecting plates (93), two ends of the second top template (92) are connected with second connecting plates (94), and the first connecting plates (93) and the second connecting plates (94) are respectively connected with connecting strips (201).
10. A form according to claim 8, wherein: a trapezoidal table (10) is arranged on the top template (9), and the trapezoidal table (10) comprises a first trapezoidal table (101) and a second trapezoidal table (102);
the first trapezoid table (101) is connected with the first top template (91), and the first trapezoid table (101) corresponds to the first pouring opening (31);
the second trapezoid table (102) is connected with the second top formwork (92), and the second trapezoid table (102) corresponds to the second pouring opening (32).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222251547.1U CN217998141U (en) | 2022-08-25 | 2022-08-25 | Building multi-pile foundation bearing platform and template for pouring bearing platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222251547.1U CN217998141U (en) | 2022-08-25 | 2022-08-25 | Building multi-pile foundation bearing platform and template for pouring bearing platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2808246C1 (en) * | 2023-05-22 | 2023-11-28 | ООО "Каббаллкгеология" | Pile installation method |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2808246C1 (en) * | 2023-05-22 | 2023-11-28 | ООО "Каббаллкгеология" | Pile installation method |
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