CN111350187A - Template system suitable for large-diameter manual hole digging annular foundation pile and construction method - Google Patents
Template system suitable for large-diameter manual hole digging annular foundation pile and construction method Download PDFInfo
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- CN111350187A CN111350187A CN201811590572.4A CN201811590572A CN111350187A CN 111350187 A CN111350187 A CN 111350187A CN 201811590572 A CN201811590572 A CN 201811590572A CN 111350187 A CN111350187 A CN 111350187A
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 197
- 239000010959 steel Substances 0.000 claims abstract description 197
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000009415 formwork Methods 0.000 claims description 55
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
Abstract
The invention discloses a template system suitable for a large-diameter manual hole digging annular foundation pile and a construction method. The invention has the beneficial effects that: can provide good support for annular steel form to can effectual improvement template system overall stability, when guaranteeing annular steel form zonulae occludens, the effectual problem of having solved the difficult installation of annular steel form and dismantling, do not have any connecting device to connect between annular foundation pile template system and the manual hole digging pile armguard, guarantee that foundation pile steel reinforcement cage can wholly hang and put, accelerate the construction progress.
Description
Technical Field
The invention relates to a template of an annular foundation pile, in particular to a template system suitable for a large-diameter manual hole digging annular foundation pile and a construction method, and belongs to the technical field of civil engineering construction.
Background
With the continuous construction of high-rise buildings, super high-rise buildings and large bridges, the bearing capacity of the foundation of the superstructure is required to be higher and higher. The common medium-short piles can not meet the requirement of bearing capacity, the large-diameter cast-in-place piles are widely applied to large foundation engineering due to good bearing performance, and in recent years, large-diameter manual hole digging piles are designed into hollow piles in some areas of China.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a formwork system and a construction method suitable for a large-diameter artificially bored ring-shaped foundation pile.
The invention realizes the purpose through the following technical scheme: a template system suitable for a large-diameter manual hole digging annular foundation pile comprises a reference column, a connecting piece, a steel pin, a steel template horizontal support, a manual hole digging pile protection arm, a steel template fixing rod, an annular steel template, a steel template longitudinal connecting hole, a steel template horizontal support length adjusting device, annular foundation pile concrete, an annular foundation pile template system, a reference column connector, an annular foundation pile top and an annular foundation pile bottom; the connecting piece is arranged around the reference column, one end of the steel template horizontal support is arranged in the connecting piece, the steel pin penetrates through the connecting piece to horizontally support and fix the connecting piece and the steel template together, the other end of the steel template horizontal support is arranged on the annular steel template, the steel template fixing rod fixes the steel template horizontal support and the annular steel template together, a plurality of steel template horizontal support and support annular steel templates are uniformly connected around the reference column, the annular steel templates are combined and arranged together, the annular steel templates are provided with a plurality of steel template longitudinal connecting holes and freely spliced together with the steel template horizontal connecting holes, the left annular steel templates and the right annular steel templates which are adjacent to each other are connected together through the steel template horizontal connecting holes, and the upper annular steel templates and the lower annular steel templates which are adjacent to each other are connected together through the steel template longitudinal connecting holes, the middle part of the steel template horizontal support is provided with a steel template horizontal support length adjusting device, the steel template horizontal support length adjusting device arranged in the middle part of the steel template horizontal support can adjust the length of the steel template horizontal support according to requirements, the periphery of the annular foundation pile template system is provided with a manual hole digging pile protection arm, the annular foundation pile template system and the manual hole digging pile protection arm are not connected by any connecting device, annular foundation pile concrete is poured between the annular foundation pile template system and the manual hole digging pile guard arm, the annular foundation pile template system is formed by a plurality of connected reference columns and a plurality of layers of connected annular steel templates, the benchmark post has many and links together a plurality of benchmark posts through the benchmark post connector, the annular steel form installation of least significant end is fixed on annular foundation pile bottom and the upper end of the annular steel form of top is annular foundation pile top.
Furthermore, in order to effectively improve the overall stability of the template system, a plurality of steel templates are uniformly connected to the periphery of the reference column and horizontally support and support the annular steel templates.
Further, for the steel form horizontal support give the support of annular steel form inseparabler, the steel form horizontal support length adjusting device that the steel form horizontal support middle part set up can adjust the length that the steel form horizontal support was supported according to the demand.
Further, for the difficult problem of installing and dismantling of effectual solution annular steel form, annular steel form has a plurality ofly and through steel form longitudinal connection hole and the free concatenation of steel form level to the connecting hole together.
Further, in order to ensure that the foundation pile reinforcement cage can be integrally hoisted, the annular foundation pile template system and the manual hole digging pile protection arm are not connected by any connecting device.
Further, the construction method of the template system of the large-diameter manual hole digging annular foundation pile comprises the following steps:
1) constructing a guard arm of the manual hole digging pile to the bottom of the annular foundation pile along with excavation of the manual hole digging pile;
2) excavating a cup-shaped section at the bottom of the annular foundation pile to serve as a foundation of the reference column;
3) hoisting the first section of the reference column into the cup-shaped section, and pouring a cup-shaped foundation;
4) connecting the horizontal supports of the steel templates with the annular steel templates, and hoisting six annular steel templates after connection is finished;
5) the reference column is connected with the steel pin through a connecting piece and is horizontally supported by the steel template;
6) connecting the annular steel templates through the horizontal connecting holes of the steel templates to complete the support of the first layer of templates;
7) repeating the steps 4 to 6 to complete the erection of the second layer and the third layer of templates, wherein the upper layer and the lower layer of annular steel templates are connected through the longitudinal connecting holes of the steel templates;
8) hoisting a second reference column, repeating the steps 4 to 6, installing a fourth layer template and a fifth layer template, and connecting two adjacent reference columns through reference column connectors;
9) sequentially installing a third reference column, sixth to ninth layers of annular steel templates to the pile top of the annular foundation pile to complete installation of the annular foundation pile template system;
10) pouring concrete for the annular foundation pile, wherein the foundation pile has a condition of lifting and placing a reinforcement cage of the foundation pile, the reinforcement cage is positioned between the guard arm of the manual hole digging pile and the annular foundation pile template system;
11) and after the concrete is solidified, carrying out a procedure of removing the annular foundation pile template system, removing the annular steel template, and completing the construction of the manually excavated annular foundation pile.
The invention has the beneficial effects that: the template system structure of the large-diameter manual hole digging annular foundation pile is compact in connection, simple to use and reasonable in design, the periphery of the reference column is uniformly connected with a plurality of steel template horizontal supporting annular steel templates, good support can be provided for the annular steel templates, the overall stability of the template system can be effectively improved, the length of the steel template horizontal supporting length adjusting device arranged in the middle of the steel template horizontal supporting can be adjusted according to requirements, the length of the steel template horizontal supporting can be freely adjusted according to requirements, so that the steel template horizontal supporting annular steel templates can be more tightly supported, the annular steel templates can be effectively prevented from deforming and damaging due to insufficient supporting, the annular steel templates are provided with a plurality of steel template longitudinal connecting holes and the steel template horizontal connecting holes, and the annular steel templates are freely spliced together through the steel template longitudinal connecting holes and the steel template horizontal connecting holes while the tight connection of the annular steel templates is ensured, the problem that the annular steel formwork is not easy to install and detach is effectively solved, the annular foundation pile formwork system and the manual hole digging pile protection arm are not connected through any connecting device, the foundation pile reinforcement cage can be integrally lifted, and the construction progress is accelerated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of the ring-shaped foundation pile template architecture of the present invention;
FIG. 4 is a schematic view of a pile bottom structure of the annular foundation pile of the present invention;
FIG. 5 is a schematic view of a reference post connector structure according to the present invention;
in the figure: 1. benchmark post, 2, connecting piece, 3, steel round pin, 4, steel form horizontal support, 5, manual hole digging pile armguard, 6, steel form dead lever, 7, annular steel form, 8, steel form longitudinal connecting hole, 9, steel form horizontal to the connecting hole, 10, steel form horizontal support length adjustment device, 11, annular foundation pile concrete, 12, annular foundation pile template system, 13, benchmark post connector, 14, annular foundation pile bolck, 15, at the bottom of the annular foundation pile stake.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a template system suitable for a large-diameter manual hole digging annular foundation pile comprises a reference column 1, a connecting piece 2, a steel pin 3, a steel template horizontal support 4, a manual hole digging pile protection arm 5, a steel template fixing rod 6, an annular steel template 7, a steel template longitudinal connecting hole 8, a steel template horizontal connecting hole 9, a steel template horizontal support length adjusting device 10, annular foundation pile concrete 11, an annular foundation pile template system 12, a reference column connector 13, an annular foundation pile top 14 and an annular foundation pile bottom 15; the connecting piece 2 is installed around the reference column 1, one end of the steel formwork horizontal support 4 is installed in the connecting piece 2, the steel pin 3 penetrates through the connecting piece 2 to fix the connecting piece 2 and the steel formwork horizontal support 4 together, the other end of the steel formwork horizontal support 4 is installed on the annular steel formwork 7, the steel formwork fixing rod 6 fixes the steel formwork horizontal support 4 and the annular steel formwork 7 together, the periphery of the reference column 1 is uniformly connected with a plurality of steel formwork horizontal supports 4 to support the annular steel formwork 7, the annular steel formwork 7 is assembled together by a plurality of blocks, the annular steel formwork 7 is freely spliced together through the steel formwork longitudinal connecting holes 8 and the steel formwork horizontal connecting holes 9, the left and right adjacent annular steel formworks 7 are connected together through the steel formwork horizontal connecting holes 9, and the upper and lower adjacent annular steel formworks 7 are connected together through the steel formwork longitudinal connecting holes 8, the utility model discloses a steel form horizontal support length adjusting device 10, steel form horizontal support 4's mid-mounting has steel form horizontal support length adjusting device 10, the steel form horizontal support length adjusting device 10 that 4 middle parts of steel form horizontal support set up can adjust the length of steel form horizontal support 4 according to the demand, the periphery of annular foundation pile template system 12 is provided with artifical bored pile armguard 5, do not have any connecting device to connect between annular foundation pile template system 12 and the artifical bored pile armguard 5, it has annular foundation pile concrete 11 to pour between annular foundation pile template system 12 and the artifical bored pile armguard 5, annular foundation pile template system 12 has many reference columns 1 that link together and the annular steel form 7 that the multilayer links together jointly to constitute, reference column 1 has many and links together a plurality of reference columns 1 through reference column connector 13, the annular steel form 7 of lower extreme is installed and is fixed on annular foundation pile bottom 15 and the upper end of the annular steel form 7 of upper extreme is for the annular steel form of annular foundation pile 7 of upper extreme Annular pile top 14.
The invention is a technical optimization scheme: a plurality of steel formwork horizontal supports 4 are uniformly connected to the periphery of the reference column 1 to support an annular steel formwork 7; the steel form horizontal support length adjusting device 10 arranged in the middle of the steel form horizontal support 4 can adjust the length of the steel form horizontal support 4 according to requirements; the annular steel templates 7 are freely spliced together through the steel template longitudinal connecting holes 8 and the steel template horizontal connecting holes 9; the annular foundation pile template system 12 is connected with the manual hole digging pile protection arm 5 without any connecting device.
The construction method of the template system of the large-diameter manual hole digging annular foundation pile comprises the following steps:
1) constructing a manual hole digging pile guard arm 5 to the pile bottom 15 of the annular foundation pile along with the excavation of the manual hole digging pile;
2) excavating a cup-shaped section at the bottom 15 of the annular foundation pile to serve as a foundation of the reference column 1;
3) hoisting the first section of the reference column 1 into the cup-shaped section, and pouring a cup-shaped foundation;
4) connecting the steel formwork horizontal supports 4 with the 7 annular steel formworks, and hoisting the six annular steel formworks 7 after connection is finished;
5) the reference column 1 and the steel formwork horizontal support 4 are connected with the steel pin 3 through the connecting piece 2;
6) connecting the annular steel templates 7 through the steel templates horizontally towards the connecting holes 9 to complete the support of the first-layer templates;
7) repeating the steps 4 to 6 to complete the support of the second layer and the third layer of templates, wherein the upper layer and the lower layer of annular steel templates 7 are connected through the longitudinal connecting holes 8 of the steel templates;
8) hoisting a second reference column 1, repeating the steps 4 to 6, installing a fourth layer template and a fifth layer template, and connecting two adjacent reference columns 1 through reference column connectors 13;
9) sequentially installing a third reference column 1, sixth to ninth layers of annular steel templates 7 to an annular foundation pile top 14 to complete installation of the annular foundation pile template system 12;
10) the foundation pile has the condition of hoisting and placing a reinforcement cage of the foundation pile, the reinforcement cage is positioned between the manual hole digging pile protection arm 5 and the annular foundation pile template system 12, and concrete 11 is poured into the annular foundation pile;
11) and after the concrete is solidified, carrying out a procedure of removing the annular foundation pile template system 12, removing the annular steel template 7, and completing the construction of the manually excavated annular foundation pile.
When the invention is used, firstly, a guard arm of a manual hole digging pile is made to the bottom of an annular foundation pile, a cup-shaped section is dug at the bottom of the annular foundation pile to be used as a base of a reference column, a first section of reference column is hung in the cup-shaped section, the cup-shaped base is poured, a steel template horizontal support and an annular steel template are connected, six annular steel templates are hung after connection is completed, the reference column and the steel template horizontal support are connected through a connecting piece and a steel pin, the annular steel template is connected through a steel template horizontal connecting hole, the first layer of template support is completed, then the second layer of template support and the third layer of template support are completed, the upper layer of annular steel template and the lower layer of annular steel template are connected through a steel template longitudinal connecting hole, a second reference column is hung, then a fourth layer of template and a fifth layer of template are installed, two adjacent reference columns are connected through a reference column connector, a third reference column and annular steel templates from the, and (3) completing the installation of the annular foundation pile template system until the pile top of the annular foundation pile, wherein the foundation pile has the condition of hoisting and placing a foundation pile reinforcement cage, the reinforcement cage is positioned between the guard arm of the manual hole digging pile and the annular foundation pile template system, pouring concrete into the annular foundation pile, removing the annular foundation pile template system after the concrete is solidified, removing the annular steel template, and completing the construction of the manual hole digging annular foundation pile.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a template system suitable for manual hole ring type foundation pile that digs of major diameter which characterized in that: the pile foundation pile comprises a reference column (1), a connecting piece (2), a steel pin (3), a steel template horizontal support (4), a manual hole digging pile protection arm (5), a steel template fixing rod (6), an annular steel template (7), a steel template longitudinal connecting hole (8), a steel template horizontal connecting hole (9), a steel template horizontal support length adjusting device (10), annular foundation pile concrete (11), an annular foundation pile template system (12), a reference column connector (13), an annular foundation pile top (14) and an annular foundation pile bottom (15); the steel formwork horizontal support structure is characterized in that a connecting piece (2) is installed around the reference column (1), one end of a steel formwork horizontal support (4) is installed in the connecting piece (2), a steel pin (3) penetrates through the connecting piece (2) to fix the connecting piece (2) and the steel formwork horizontal support (4) together, the other end of the steel formwork horizontal support (4) is installed on an annular steel formwork (7), the steel formwork fixing rod (6) fixes the steel formwork horizontal support (4) and the annular steel formwork (7) together, the annular steel formwork (7) is provided with a plurality of blocks which are installed together in a combined mode, the left annular steel formwork and the right annular steel formwork (7) which are adjacent to each other are connected together through a steel formwork horizontal connecting hole (9), the upper annular steel formwork and the lower annular steel formwork (7) which are adjacent to each other are connected together through a steel formwork longitudinal connecting hole (8), and a steel formwork horizontal support length adjusting device (10), the periphery of annular foundation pile template system (12) is provided with artifical hole digging pile armguard (5), annular foundation pile concrete (11) have been pour between annular foundation pile template system (12) and artifical hole digging pile armguard (5), annular foundation pile template system (12) have many reference columns (1) that link together and annular steel form (7) that the multilayer links together to form jointly, reference column (1) have many and link together a plurality of reference columns (1) through reference column connector (13), annular steel form (7) the installation of least significant end is fixed on annular foundation pile bottom (15) and the upper end of annular steel form (7) of the top is annular foundation pile top (14).
2. The template system suitable for the large-diameter manual hole digging annular foundation pile is characterized in that: the periphery of the reference column (1) is uniformly connected with a plurality of steel formwork horizontal supports (4) for supporting the annular steel formwork (7).
3. The template system suitable for the large-diameter manual hole digging annular foundation pile is characterized in that: the length of the steel formwork horizontal support (4) can be adjusted according to requirements by the steel formwork horizontal support length adjusting device (10) arranged in the middle of the steel formwork horizontal support (4).
4. The template system suitable for the large-diameter manual hole digging annular foundation pile is characterized in that: the annular steel template (7) is provided with a plurality of steel template longitudinal connecting holes (8) and steel template horizontal connecting holes (9) which are freely spliced together.
5. The template system suitable for the large-diameter manual hole digging annular foundation pile is characterized in that: the annular foundation pile template system (12) is connected with the manual hole digging pile protection arm (5) without any connecting device.
6. The construction method of the template system suitable for the large-diameter manual hole digging annular foundation pile according to the claim 1, characterized in that: the construction method of the template system of the large-diameter manual hole digging annular foundation pile comprises the following steps:
1) constructing a protecting arm (5) of the manual hole digging pile to the pile bottom (15) of the annular foundation pile along with the excavation of the manual hole digging pile;
2) excavating a cup-shaped section at the bottom (15) of the annular foundation pile to serve as a foundation of the reference column (1);
3) hoisting the first section of the reference column (1) into the cup-shaped section, and pouring a cup-shaped foundation;
4) connecting the steel formwork horizontal supports (4) with the annular steel formworks (7), and hoisting six annular steel formworks (7) after connection is finished;
5) the reference column (1) and the steel formwork horizontal support (4) are connected with the steel pin (3) through the connecting piece (2);
6) the steel formworks are horizontally connected with the annular steel formworks (7) through the steel formwork horizontal connecting holes (9) to complete the support of the first layer of formworks;
7) repeating the steps 4 to 6 to complete the erection of the second layer and the third layer of templates, wherein the upper layer and the lower layer of annular steel templates (7) are connected through the longitudinal connecting holes (8) of the steel templates;
8) hoisting a second reference column (1), repeating the steps 4 to 6, installing a fourth layer template and a fifth layer template, and connecting two adjacent reference columns (1) through reference column connectors (13);
9) sequentially installing a third reference column (1), sixth to ninth layers of annular steel templates (7) to an annular foundation pile top (14) to complete installation of an annular foundation pile template system (12);
10) the foundation pile has the condition of hoisting and placing a reinforcement cage of the foundation pile, the reinforcement cage is positioned between the guard arm (5) of the manual hole digging pile and the annular foundation pile template system (12), and concrete (11) is poured into the annular foundation pile;
11) and after the concrete is solidified, carrying out a procedure of removing the annular foundation pile template system (12), removing the annular steel template (7), and finishing the construction of the manually excavated annular foundation pile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590572.4A CN111350187A (en) | 2018-12-20 | 2018-12-20 | Template system suitable for large-diameter manual hole digging annular foundation pile and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811590572.4A CN111350187A (en) | 2018-12-20 | 2018-12-20 | Template system suitable for large-diameter manual hole digging annular foundation pile and construction method |
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| CN111350187A true CN111350187A (en) | 2020-06-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746612A (en) * | 2020-12-26 | 2021-05-04 | 北京工业大学 | C-shaped tightening combined steel template system for manually excavated annular foundation pile and construction method |
| CN112796316A (en) * | 2020-12-26 | 2021-05-14 | 北京工业大学 | Manual hole digging annular foundation pile soil core backfill thin steel template system and construction method |
| CN116892220A (en) * | 2023-09-11 | 2023-10-17 | 山西建筑工程集团有限公司 | Underground pipeline inspection well steel template and application method thereof |
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| JPH06136745A (en) * | 1992-04-28 | 1994-05-17 | J D F:Kk | Construction method for hollow widened bottom cast-in-place concrete pile |
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| CN108914931A (en) * | 2018-07-13 | 2018-11-30 | 北京工业大学 | A kind of ring-like foundation pile of the vertical shield of assembled and construction method |
| CN209703510U (en) * | 2018-12-20 | 2019-11-29 | 中铁建设集团有限公司 | A kind of template system suitable for the ring-like foundation pile of major diameter manually digging hole |
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| JPH06136745A (en) * | 1992-04-28 | 1994-05-17 | J D F:Kk | Construction method for hollow widened bottom cast-in-place concrete pile |
| JPH09279607A (en) * | 1996-04-16 | 1997-10-28 | Maeda Corp | Formation method of foundation in building |
| CN202707066U (en) * | 2012-08-05 | 2013-01-30 | 江苏建筑职业技术学院 | Manual hole digging pile wall-protecting integral template |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746612A (en) * | 2020-12-26 | 2021-05-04 | 北京工业大学 | C-shaped tightening combined steel template system for manually excavated annular foundation pile and construction method |
| CN112796316A (en) * | 2020-12-26 | 2021-05-14 | 北京工业大学 | Manual hole digging annular foundation pile soil core backfill thin steel template system and construction method |
| CN112796316B (en) * | 2020-12-26 | 2022-07-22 | 北京工业大学 | Manual hole digging annular foundation pile soil core backfill thin steel template system and construction method |
| CN116892220A (en) * | 2023-09-11 | 2023-10-17 | 山西建筑工程集团有限公司 | Underground pipeline inspection well steel template and application method thereof |
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