CN110512615A - A kind of assembled concrete core cement soil barricade combination supporting system and its construction method - Google Patents

A kind of assembled concrete core cement soil barricade combination supporting system and its construction method Download PDF

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Publication number
CN110512615A
CN110512615A CN201910788753.6A CN201910788753A CN110512615A CN 110512615 A CN110512615 A CN 110512615A CN 201910788753 A CN201910788753 A CN 201910788753A CN 110512615 A CN110512615 A CN 110512615A
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CN
China
Prior art keywords
pile
stake
precast concrete
prefabricated
reinforcement cage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910788753.6A
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Chinese (zh)
Inventor
李冬晴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China MCC17 Group Co Ltd
Original Assignee
China MCC17 Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China MCC17 Group Co Ltd filed Critical China MCC17 Group Co Ltd
Priority to CN201910788753.6A priority Critical patent/CN110512615A/en
Publication of CN110512615A publication Critical patent/CN110512615A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/10Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
    • 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
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/10Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
    • E02D5/12Locking forms; Edge joints; Pile crossings; Branch pieces

Abstract

The invention discloses a kind of assembled concrete core cement soil barricade combination supporting system and its construction methods, belong to assembled architecture technical field of construction.The present invention includes that stake and precast concrete pile are stirred in the rotation of major diameter soil cement, stake and the setting of precast concrete pile interval are stirred in the major diameter soil cement rotation, precast concrete pile is inserted into adjacent major diameter soil cement rotation and stirs between stake, pile cover is placed at the top of precast concrete pile, steel reinforcement cage is placed at the top of pile cover, the side of steel reinforcement cage is placed with prefabricated overlapping capping beam, and steel reinforcement cage and the prefabricated top for overlapping capping beam have poured cast-in-place coping.The present invention has not only played the rotation of major diameter soil cement and has stirred the advantage that pile driving construction is convenient, supporting file effect is good, and improve Water And Earth Pressures and moment of flexure ability to bear, increase whole stability, improve the rigidity of supporting construction, pass through prefabricated form using precast concrete pile, prefabricated overlapping capping beam simultaneously, the duration is effectively increased, industrialized production is conducive to.

Description

A kind of assembled concrete core cement soil barricade combination supporting system and its construction method
Technical field
The present invention relates to assembled architecture technical field of construction, more specifically to a kind of assembled concrete core cement soil Barricade combination supporting system and its construction method.
Background technique
In China's engineering construction, the feature that generally existing foundation soil is weak, stability is poor, bearing capacity is relatively low, currently, In In China's basement process and Foundation Pit Support Engineering, composite cement soil stiffening pile form is very various, relatively conventional supporting type There are the stake of fashioned iron SMW engineering method, the micro- shape steel-pipe pile of soil cement interplantation etc., the soil-baffling structure of use mainly has diaphram wall, drilling to fill Infuse stake, soil nail wall, SMW engineering method and piled anchor structure, the construction technology of these structures often haves the defects that many and by work Journey geology and construction environment limit, unbearable bigger Water And Earth Pressures, and cost is high, seriously polluted, are unfavorable for production and apply Work needs the H profile steel in deep-mixed pile, combines together with diaphram wall, cast-in-situ bored pile interior to reach earth-retaining purpose Support or anchor pole form soil-baffling structure, often cause larger difficulty to design and construction in this way, greatly improve construction cost.
Summary of the invention
1. technical problems to be solved by the inivention
In view of the defects existing in the prior art with deficiency, the present invention provides a kind of combinations of assembled concrete core cement soil barricade Support system and its construction method, the present invention is cheap, easy for construction, supporting file effect is good, and improves Water And Earth Pressures and moment of flexure Ability to bear increases whole stability, improves the rigidity of supporting construction, reduces settling amount, while using concrete Native stake, prefabricated overlapping capping beam pass through it is prefabricated form, effectively increase the duration, be conducive to industrialized production.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of assembled concrete core cement soil barricade combination supporting system of the invention, including major diameter soil cement rotation stir stake and Stake and the setting of precast concrete pile interval, precast concrete pile inserting are stirred in precast concrete pile, the major diameter soil cement rotation It is stirred between stake in adjacent major diameter soil cement rotation, is placed with pile cover at the top of precast concrete pile, is placed with steel at the top of pile cover Muscle cage, the side of the steel reinforcement cage are placed with prefabricated overlapping capping beam, and the top of steel reinforcement cage and prefabricated overlapping capping beam pours There is cast-in-place coping.
Further, the upper surface of the prefabricated overlapping capping beam binds pressing lever, coping reinforcing bar.
Further, the two sides of the prefabricated overlapping capping beam offer keyway, and the both ends of prefabricated overlapping capping beam are stretched Beam bottom muscle and waist muscle, waist muscle anchor in stake girder connection out, and the surface of beam bottom muscle is equipped with sleeve, and adjacent beam bottom muscle passes through set Cylinder connection.
A kind of construction method of assembled concrete core cement soil barricade combination supporting system, the steps include:
Step 1: immediately with the precast concrete pile of static pressure method insertion minor diameter in major diameter cement mixing method;
Step 2: pile cover is placed at the top of precast concrete pile;
Step 3: steel reinforcement cage is placed at the top of pile cover;
Step 4: prefabricated overlapping capping beam is placed in the side of steel reinforcement cage;
Step 5: pressing lever and coping reinforcing bar are bound on prefabricated overlapping capping beam;
Step 6: the top of steel reinforcement cage and prefabricated overlapping capping beam pours cast-in-place coping.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
The present invention has not only played the rotation of major diameter soil cement and has stirred the advantage that stake is cheap, easy for construction, supporting file effect is good, And barricade rigidity is increased by interplantation precast concrete pile and prefabricated overlapping capping beam, it improves Water And Earth Pressures and moment of flexure is born Ability increases whole stability, improves the rigidity of supporting construction, reduces settling amount, at the same using precast concrete pile, Prefabricated overlapping capping beam pass through it is prefabricated form, effectively increase the duration, be conducive to industrialized production.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention;
Fig. 2 is top view of the invention;
Fig. 3 is cross-sectional view of the invention;
Fig. 4 is pile cover structure chart of the invention.
In figure: 1, stake is stirred in major diameter soil cement rotation;2, precast concrete pile;3, steel reinforcement cage;4, prefabricated overlapping capping beam;5, Cast-in-place coping;6, pile cover;7, sleeve.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1
It can be seen that a kind of assembled concrete core cement soil barricade combination supporting system of the present embodiment from Fig. 1-4, including big Stake 1 and precast concrete pile 2 are stirred in the rotation of diameter soil cement, and stake 1 and the setting of the interval of precast concrete pile 2 are stirred in the rotation of major diameter soil cement, Precast concrete pile 2 is inserted into adjacent major diameter soil cement rotation and stirs between stake 1, is placed with pile cover at the top of precast concrete pile 2 6, the top of pile cover 6 is placed with steel reinforcement cage 3, and the side of steel reinforcement cage 3 is placed with prefabricated overlapping capping beam 4, and steel reinforcement cage 3 is folded with prefabricated The top of combined pressure top beam 4 has poured cast-in-place coping 5.
The upper surface of prefabricated overlapping capping beam 4 binds pressing lever, coping reinforcing bar, and the two sides of prefabricated overlapping capping beam 4 open up There is keyway, beam bottom muscle is stretched out at the both ends of prefabricated overlapping capping beam 4 and waist muscle, waist muscle anchor in stake girder connection, the table of beam bottom muscle Face is equipped with sleeve 7, and adjacent beam bottom muscle is connected by sleeve 7, thus the connection of enhancing and cast-in-place concrete.
A kind of construction method of assembled concrete core cement soil barricade combination supporting system, the steps include:
Step 1: 1 immediately with the precast concrete pile 2 of static pressure method insertion minor diameter in major diameter cement mixing method;
Step 2: pile cover 6 is placed at the top of precast concrete pile 2;
Step 3: steel reinforcement cage 3 is placed at the top of pile cover 6;
Step 4: prefabricated overlapping capping beam 4 is placed in the side of steel reinforcement cage 3;
Step 5: pressing lever and coping reinforcing bar are bound on prefabricated overlapping capping beam 4;
Step 6: the top of steel reinforcement cage 3 and prefabricated overlapping capping beam 4 pours cast-in-place coping 5.
Precast concrete pile 2 is stirred in stake 1 using the arrangement for inserting one every one in the rotation of major diameter soil cement, prefabricated folded Combined pressure top beam 4 can effectively connect concrete inner core column, improve the rigidity of support system, while prefabrication can reduce formwork Process improves construction efficiency, saves duration and cost, has reinforcing bar stretching above pile cover 6, can effectively connect precast concrete Stake 2 and prefabricated 4 node section of overlapping capping beam.
The present invention has not only played the rotation of major diameter soil cement, and to stir that stake 1 is cheap, easy for construction, supporting file effect is good excellent Point, and barricade rigidity is increased by interplantation precast concrete pile 2 and prefabricated overlapping capping beam 4, raising Water And Earth Pressures and curved Square ability to bear increases whole stability, improves the rigidity of supporting construction, reduces settling amount, while using prefabricated mixed Solidifying soil stake 2, prefabricated overlapping capping beam 4 are formed by prefabricated, are effectively increased the duration, are conducive to industrialized production.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution Similar frame mode and embodiment, are within the scope of protection of the invention.

Claims (4)

1. a kind of assembled concrete core cement soil barricade combination supporting system, including the rotation of major diameter soil cement is stirred stake (1) and prefabricated is mixed Solidifying soil stake (2), it is characterised in that: stake (1) and the setting of precast concrete pile (2) interval are stirred in the major diameter soil cement rotation, in advance Concrete-pile (2) processed is inserted into adjacent major diameter soil cement rotation and stirs between stake (1), is placed at the top of precast concrete pile (2) Pile cover (6) is placed with steel reinforcement cage (3) at the top of pile cover (6), and the side of the steel reinforcement cage (3) is placed with prefabricated overlapping and bears down on one The top of beam (4), steel reinforcement cage (3) and prefabricated overlapping capping beam (4) has poured cast-in-place coping (5).
2. a kind of assembled concrete core cement soil barricade combination supporting system according to claim 1, it is characterised in that: described Prefabricated overlapping capping beam (4) upper surface bind pressing lever, coping reinforcing bar.
3. a kind of assembled concrete core cement soil barricade combination supporting system according to claim 1, it is characterised in that: described The two sides of prefabricated overlapping capping beam (4) offer keyway, beam bottom muscle and waist muscle are stretched out in the both ends of prefabricated overlapping capping beam (4), Waist muscle anchors in stake girder connection, and the surface of beam bottom muscle is equipped with sleeve (7), and adjacent beam bottom muscle is connected by sleeve (7).
4. a kind of construction method of assembled concrete core cement soil barricade combination supporting system, it is characterised in that: the steps include:
Step 1: (1) is immediately with the precast concrete pile (2) of static pressure method insertion minor diameter in major diameter cement mixing method;
Step 2: pile cover (6) are placed at the top of precast concrete pile (2);
Step 3: steel reinforcement cage (3) are placed at the top of pile cover (6);
Step 4: prefabricated overlapping capping beam (4) is placed in the side of steel reinforcement cage (3);
Step 5: pressing lever and coping reinforcing bar are bound on prefabricated overlapping capping beam (4);
Step 6: the top of steel reinforcement cage (3) and prefabricated overlapping capping beam (4) pours cast-in-place coping (5).
CN201910788753.6A 2019-08-26 2019-08-26 A kind of assembled concrete core cement soil barricade combination supporting system and its construction method Pending CN110512615A (en)

Priority Applications (1)

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CN201910788753.6A CN110512615A (en) 2019-08-26 2019-08-26 A kind of assembled concrete core cement soil barricade combination supporting system and its construction method

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Application Number Priority Date Filing Date Title
CN201910788753.6A CN110512615A (en) 2019-08-26 2019-08-26 A kind of assembled concrete core cement soil barricade combination supporting system and its construction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111305467A (en) * 2020-03-16 2020-06-19 四川省建筑设计研究院有限公司 Prefabricated partition plate capping beam and construction method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059930A (en) * 1991-07-04 1993-01-19 Fujita Corp Self-erecting type landslide protection wall construction
CN1563606A (en) * 2004-04-09 2005-01-12 南京大学 Method for supporting foundation trench for agitation piles of soil cement with concrete as the core
CN103410158A (en) * 2013-08-28 2013-11-27 上海岩土工程勘察设计研究院有限公司 Recoverable vertical type portal self-stabilizing enveloping structure and application method thereof
CN107975059A (en) * 2018-01-12 2018-05-01 中交第三航务工程勘察设计院有限公司 A kind of assembled pile foundation wharfs structure and its construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059930A (en) * 1991-07-04 1993-01-19 Fujita Corp Self-erecting type landslide protection wall construction
CN1563606A (en) * 2004-04-09 2005-01-12 南京大学 Method for supporting foundation trench for agitation piles of soil cement with concrete as the core
CN103410158A (en) * 2013-08-28 2013-11-27 上海岩土工程勘察设计研究院有限公司 Recoverable vertical type portal self-stabilizing enveloping structure and application method thereof
CN107975059A (en) * 2018-01-12 2018-05-01 中交第三航务工程勘察设计院有限公司 A kind of assembled pile foundation wharfs structure and its construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111305467A (en) * 2020-03-16 2020-06-19 四川省建筑设计研究院有限公司 Prefabricated partition plate capping beam and construction method thereof

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