CN104762975B - A kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with - Google Patents

A kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with Download PDF

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Publication number
CN104762975B
CN104762975B CN201510068891.9A CN201510068891A CN104762975B CN 104762975 B CN104762975 B CN 104762975B CN 201510068891 A CN201510068891 A CN 201510068891A CN 104762975 B CN104762975 B CN 104762975B
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China
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pile
rotary churning
campshed
churning pile
hat
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CN104762975A (en
Inventor
许利东
王晓曙
涂伟
曹慧
郑云刚
王向敏
余琨琳
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Yunnan construction investment foundation engineering Co., Ltd.
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YANTAI CONSTRUCTION ENGINEERING FOUNDATION ENGINEERING Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/20Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ

Abstract

The present invention discloses a kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with, and belongs to architecture Foundation Pit Engineering field. The present invention is arranged in parallel by many groups and is front campshed and the rear campshed that H type is arranged, rotary churning pile, Prefabricated Reinforced Concrete Square Pile, enlarged footing anchoring body, hat beam I, hat beam II, hat beam III and linking beam composition. The top of front campshed, rear campshed and rotary churning pile is provided with hat beam I, hat beam II and hat beam III respectively, and hat beam I is connected by linking beam with hat beam II. The in the past stake roof panel inner side of campshed arranges the rotary churning pile of high inclination-angle after each group between the stake of campshed. Rotary churning pile is taked section rotary spraying construction, and the corresponding increase of churning diameter of its terminal position forms enlarged footing anchoring body. After jet grouting pile construction finishes, before its steady quality, Prefabricated Reinforced Concrete Square Pile is inserted wherein. The fixed physical efficiency of churning of section construction and the rear tight interlock of the soil body of stake, and link together by precast reinforced concrete pile.

Description

A kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with
Technical field
The present invention relates to a kind of Double-row-piles Structure, be specifically related to a kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with, belong to architecture Foundation Pit Engineering field.
Background technology
Along with the iterative method of urbanization process, deep-foundation pit engineering is more and more, and difficulty of construction is increasing, and all kinds of pattern foundation pit supporting structure modes are emerged in large numbers thereupon. The advantages such as Retaining Structure with Double-row Piles is effective because of its Deformation control, and supporting construction stability is strong, and applicability is strong, are widely used in domestic deep-foundation pit engineering field in recent years. H type Double-row-piles Structure, as the one in numerous Double-row-piles Structure types, can be given full play to and put slope advantage, and construction costs is lower.
But along with the appearance of ultra-deep foundation pit, H type Double-row-piles Structure conventionally can face the problem that pile body displacement is excessive and resistance to capsizing is weak in some ultra-deep foundation pit digging process. The present invention is a kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with, and is to arise at the historic moment under this engineering background.
Summary of the invention
The object of the invention is to overcome existing H type Double-row-piles Structure not enough in ultra-deep foundation pit engineering, provide one can improve supporting construction resistance to capsizing and rigidity, and effectively control the H type Double-row-piles Structure that being provided with of Excavation Process king-pile displacement body adds core rotary churning pile.
Technical scheme of the present invention is: a kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with, by front campshed (1), rear campshed (2), rotary churning pile (3), Prefabricated Reinforced Concrete Square Pile (4), enlarged footing anchoring body (5), hat beam I (6), hat beam II (7), hat beam III (8) and linking beam (9) composition, it is characterized in that: the stake roof panel inner side of campshed (1) in the past, the rotary churning pile (3) of high inclination-angle is set between the stake of campshed after each group (2), rotary churning pile (3) is taked section rotary spraying construction, the corresponding increase of churning diameter of its terminal position forms enlarged footing anchoring body (5), after rotary churning pile (3) construction finishes, before its steady quality, Prefabricated Reinforced Concrete Square Pile (4) is inserted wherein.
Described front campshed (1) and rear campshed (2) are cast-in-situ bored pile, are arranged in parallel and are H type to arrange.
Described rotary churning pile (3) adopts double pipe method to carry out section rotary spraying construction, and diameter is 0.6 ~ 1.2m, and construction angle is 45 ° ~ 75 °, and sublevel interval is 1 ~ 2m, the long 6m that is not less than of stake.
The injecting paste material of described rotary churning pile (3) is cement-silicate slurries, and the ratio of mud is 0.75:1 ~ 1:1, and waterglass incorporation is 2% ~ 4%.
Described Prefabricated Reinforced Concrete Square Pile (4) is solid pile, and cross section is square, and sectional dimension is 200 × 200mm ~ 600 × 600mm, and stake is long identical with rotary churning pile (3).
Described rotary churning pile (3) diameter of position between segmentation induration should be greater than at least 20mm of Prefabricated Reinforced Concrete Square Pile (4) cross-sectional length.
Described rotary churning pile (3) can be chosen in equidistant between rear campshed (2) stake or unequal-interval ground is arranged continuously or interval is arranged.
Beneficial effect of the present invention is: add core rotary churning pile by what high inclination-angle was set in front campshed stake roof panel inner side, the fixed physical efficiency of churning of section construction and the rear tight interlock of the soil body of stake, and link together by precast reinforced concrete pile, can effectively increase stability against overturning and the rigidity of H type Retaining Structure with Double-row Piles, larger drag is provided, effectively control the pile body displacement in Excavation Process, the stake that can also suitably reduce rear campshed is simultaneously long, saves construction costs.
Brief description of the drawings
Below by drawings and Examples, the present invention is described in further detail, but protection scope of the present invention is not limited to described content.
Fig. 1 is that the present invention is provided with the H type Double-row-piles Structure horizontal layout schematic diagram that adds core rotary churning pile.
Fig. 2 is that the present invention is provided with the H type Double-row-piles Structure generalized section (sectional type) that adds core rotary churning pile.
Fig. 3 is that the present invention is provided with the H type Double-row-piles Structure generalized section (continuous type) that adds core rotary churning pile.
In figure, each label is: 1-front campshed; 2-rear campshed; 3-rotary churning pile; 4-Prefabricated Reinforced Concrete Square Pile; 5-enlarged footing anchoring body; 6-hat beam I; 7-hat beam II; 8-hat beam III; 9-linking beam; A-earth's surface; At the bottom of B-foundation ditch.
Detailed description of the invention
The present invention is provided with the H type Double-row-piles Structure that adds core rotary churning pile and is made up of front campshed 1, rear campshed 2, rotary churning pile 3, Prefabricated Reinforced Concrete Square Pile 4, enlarged footing anchoring body 5, hat beam I 6, hat beam II 7, hat beam III 8 and linking beam 9. The in the past stake roof panel inner side of campshed 1 arranges the rotary churning pile 3 of high inclination-angle after each group between the stake of campshed 2. Rotary churning pile 3 is taked section rotary spraying construction, and the corresponding increase of churning diameter of its terminal position forms enlarged footing anchoring body 5. After rotary churning pile 3 constructions finish, before its steady quality, Prefabricated Reinforced Concrete Square Pile 4 is inserted wherein.
Described front campshed 1 and rear campshed 2 are cast-in-situ bored pile, are arranged in parallel and are H type to arrange.
Described rotary churning pile 3 adopts double pipe method to carry out section rotary spraying construction, and diameter is 0.6 ~ 1.2m, and construction angle is 45 ° ~ 75 °, and sublevel interval is 1 ~ 2m, the long 6m that is not less than of stake.
The injecting paste material of described rotary churning pile 3 is cement-silicate slurries, and the ratio of mud is 0.75:1 ~ 1:1, and waterglass incorporation is 2% ~ 4%.
Described Prefabricated Reinforced Concrete Square Pile 4 is solid pile, and cross section is square, and sectional dimension is 200 × 200mm ~ 600 × 600mm, and stake is long identical with rotary churning pile 3.
The diameter of described rotary churning pile 3 position between segmentation induration should be greater than at least 20mm of Prefabricated Reinforced Concrete Square Pile 4 cross-sectional length.
Described rotary churning pile 3 can be chosen between 2 of rear campsheds equidistantly or unequal-interval ground is arranged continuously or interval is arranged.
The present invention uses step as follows:
(1), according to construction place exploration report and pattern foundation pit supporting structure Stability Checking result, determine construction parameter and the working procedure of forward and backward campshed and rotary churning pile;
(2), according to designing requirement, carry out front campshed, the construction of rear campshed;
(3) after, after campshed steady quality, carry out an apical cap beam construction;
(4) excavation of foundation pit, excavation is behind front campshed stake top mark high position, and configuration cement-silicate slurries, carry out rotary churning pile pore-forming, section rotary spraying construction;
(5), after jet grouting pile construction finishes, before its pile quality is stable, carry out Prefabricated Reinforced Concrete Square Pile piling construction;
(6) carry out front campshed stake apical cap beam, continuous beam and the construction of rotary churning pile stake apical cap beam;
(7) continue excavation of foundation pit.
Embodiment 1: as shown in Figure 1, 2, a kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with, by front campshed 1, rear campshed 2, rotary churning pile 3, Prefabricated Reinforced Concrete Square Pile 4, enlarged footing anchoring body 5, hat beam I 6, hat beam II 7, hat beam III 8 and linking beam 9 form. The in the past stake roof panel inner side of campshed 1 arranges the rotary churning pile 3 of high inclination-angle after each group between the stake of campshed 2. Rotary churning pile 3 is taked section rotary spraying construction, and the corresponding increase of churning diameter of its terminal position forms enlarged footing anchoring body 5. After rotary churning pile 3 constructions finish, before its steady quality, Prefabricated Reinforced Concrete Square Pile 4 is inserted wherein. Front campshed 1 and rear campshed 2 are cast-in-situ bored pile, are arranged in parallel and are H type to arrange. Rotary churning pile 3 adopts double pipe method to carry out section rotary spraying construction, and diameter is 0.6 ~ 1.2m, and construction angle is 45 ° ~ 75 °, and sublevel interval is 1 ~ 2m, the long 6m that is not less than of stake. The injecting paste material of rotary churning pile 3 is cement+waterglass slurries, and the ratio of mud is 0.75:1 ~ 1:1, and waterglass incorporation is 2% ~ 4%. Prefabricated Reinforced Concrete Square Pile 4 is solid pile, and cross section is square, and sectional dimension is 200 × 200mm ~ 600 × 600mm, and stake is long identical with rotary churning pile 3. The diameter of rotary churning pile 3 position between segmentation induration should be greater than at least 20mm of Prefabricated Reinforced Concrete Square Pile 4 cross-sectional length. Rotary churning pile 3 can be chosen between 2 of rear campsheds equidistantly or unequal-interval ground is arranged continuously or interval is arranged.
Embodiment 2:As shown in Figure 1,3, a kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with, by front campshed 1, rear campshed 2, rotary churning pile 3, Prefabricated Reinforced Concrete Square Pile 4, hat beam I 6, hat beam II 7, hat beam III 8 and linking beam 9 form. The in the past stake roof panel inner side of campshed 1 arranges the rotary churning pile 3 of high inclination-angle after each group between the stake of campshed 2. Rotary churning pile 3 is taked continuous rotary-spraying construction, after its construction finishes, before its steady quality, Prefabricated Reinforced Concrete Square Pile 4 is inserted wherein. Front campshed 1 and rear campshed 2 are cast-in-situ bored pile, are arranged in parallel and are H type to arrange. Rotary churning pile 3 adopts double pipe method to carry out section rotary spraying construction, and diameter is 0.6 ~ 1.2m, and construction angle is 45 ° ~ 75 °, the long 6m that is not less than of stake. The injecting paste material of rotary churning pile 3 is cement+waterglass slurries, and the ratio of mud is 0.75:1 ~ 1:1, and waterglass incorporation is 2% ~ 4%. Prefabricated Reinforced Concrete Square Pile 4 is solid pile, and cross section is square, and sectional dimension is 200 × 200mm ~ 600 × 600mm, and stake is long identical with rotary churning pile 3. The diameter that rotary churning pile 3 is put should be greater than at least 20mm of Prefabricated Reinforced Concrete Square Pile 4 cross-sectional length. Rotary churning pile 3 can be chosen between 2 of rear campsheds equidistantly or unequal-interval ground is arranged continuously or interval is arranged.

Claims (7)

1. one kind is provided with the H type Double-row-piles Structure that adds core rotary churning pile, by front campshed (1), rear campshed (2), rotary churning pile (3), Prefabricated Reinforced Concrete Square Pile (4), enlarged footing anchoring body (5), hat beam I (6), hat beam II (7), hat beam III (8) and linking beam (9) composition, it is characterized in that: the stake roof panel inner side of campshed (1) in the past, the rotary churning pile (3) of high inclination-angle is set between the stake of campshed after each group (2), rotary churning pile (3) is taked section rotary spraying construction, the corresponding increase of churning diameter of its terminal position forms enlarged footing anchoring body (5), after rotary churning pile (3) construction finishes, before its steady quality, Prefabricated Reinforced Concrete Square Pile (4) is inserted wherein.
2. the H type Double-row-piles Structure that adds core rotary churning pile that is provided with according to claim 1, is characterized in that: described front campshed (1) and rear campshed (2) are cast-in-situ bored pile, is arranged in parallel and is H type to arrange.
3. the H type Double-row-piles Structure that adds core rotary churning pile that is provided with according to claim 1, it is characterized in that: described rotary churning pile (3) adopts double pipe method to carry out section rotary spraying construction, and diameter is 0.6 ~ 1.2m, construction angle is 45 ° ~ 75 °, sublevel interval is 1 ~ 2m, the long 6m that is not less than of stake.
4. the H type Double-row-piles Structure that adds core rotary churning pile that is provided with according to claim 1, is characterized in that: the injecting paste material of described rotary churning pile (3) is cement-silicate slurries, and the ratio of mud is 0.75:1 ~ 1:1, and waterglass incorporation is 2% ~ 4%.
5. the H type Double-row-piles Structure that adds core rotary churning pile that is provided with according to claim 1, it is characterized in that: described Prefabricated Reinforced Concrete Square Pile (4) is solid pile, cross section is square, and sectional dimension is 200 × 200mm ~ 600 × 600mm, and stake is long identical with rotary churning pile (3).
6. the H type Double-row-piles Structure that adds core rotary churning pile that is provided with according to claim 1, is characterized in that: described rotary churning pile (3) diameter of position between segmentation induration should be greater than at least 20mm of Prefabricated Reinforced Concrete Square Pile (4) cross-sectional length.
7. the H type Double-row-piles Structure that adds core rotary churning pile that is provided with according to claim 1, is characterized in that: described rotary churning pile (3) can be chosen in equidistant between rear campshed (2) stake or unequal-interval ground is arranged continuously or interval is arranged.
CN201510068891.9A 2015-02-10 2015-02-10 A kind of H type Double-row-piles Structure that adds core rotary churning pile that is provided with Active CN104762975B (en)

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CN105064376A (en) * 2015-08-25 2015-11-18 中铁二院昆明勘察设计研究院有限责任公司 Combined type foundation pit supporting structure with multiple rows of piles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090091460A (en) * 2008-02-25 2009-08-28 코오롱건설주식회사 Soil retaining method for two rows pile using earth anchor
CN103074898A (en) * 2013-01-18 2013-05-01 江苏鸿基科技有限公司 Multi-row pile foundation pit support structure and construction method thereof
CN103758134A (en) * 2014-01-24 2014-04-30 中国建筑股份有限公司 Combined double-row pile supporting system and construction method thereof
CN203977432U (en) * 2014-06-11 2014-12-03 易朋莹 Multistage H type soil blocking pile
CN204645058U (en) * 2015-02-10 2015-09-16 云南建工基础工程有限责任公司 A kind ofly be provided with the H type Double-row-piles Structure adding core rotary churning pile

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3213240B2 (en) * 1996-07-11 2001-10-02 株式会社奥村組 Support pile reinforcement structure of existing structure and its reinforcement method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090091460A (en) * 2008-02-25 2009-08-28 코오롱건설주식회사 Soil retaining method for two rows pile using earth anchor
CN103074898A (en) * 2013-01-18 2013-05-01 江苏鸿基科技有限公司 Multi-row pile foundation pit support structure and construction method thereof
CN103758134A (en) * 2014-01-24 2014-04-30 中国建筑股份有限公司 Combined double-row pile supporting system and construction method thereof
CN203977432U (en) * 2014-06-11 2014-12-03 易朋莹 Multistage H type soil blocking pile
CN204645058U (en) * 2015-02-10 2015-09-16 云南建工基础工程有限责任公司 A kind ofly be provided with the H type Double-row-piles Structure adding core rotary churning pile

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Address after: 650501 Yunnan Province, Kunming economic development zone information industry base, Forest Creek Road No. 188 Yunnan Construction Group 5 floor

Patentee after: Yunnan construction investment foundation engineering Co., Ltd.

Address before: 650501 Yunnan city of Kunming Province Economic and Technological Development Zone Forest Road No. 188

Patentee before: YANTAI CONSTRUCTION ENGINEERING FOUNDATION ENGINEERING CO., LTD.

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