CN109706955A - One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type - Google Patents
One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type Download PDFInfo
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- CN109706955A CN109706955A CN201811628193.XA CN201811628193A CN109706955A CN 109706955 A CN109706955 A CN 109706955A CN 201811628193 A CN201811628193 A CN 201811628193A CN 109706955 A CN109706955 A CN 109706955A
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Abstract
The present invention relates to architectural design technical fields, it is in particular a kind of to be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, comprising the following steps: Step 1: extending with the stake side of former III class stake of cast-in-situ bored pile, to clear up soil property, and on the basis of cutting pile beacon height, soil is taken downwards;Step 2: the length after the extension of stake side is radius, again formwork pile extension using the former III class stake center of circle of cast-in-situ bored pile as the center of circle, the stake top after pile extension stretches to cushion cap, and the pile concrete of pile extension uses slightly expanded concrete;Step 3: former III class stake body reinforcing bar of cast-in-situ bored pile stretches in cushion cap;Step 4: pile extension pile body vertical reinforcement stretches in cushion cap.Quick construction of the present invention is convenient, short construction period, is not influenced by the limitation of site facility and former stake spacing, the a large amount of time can not only be saved for engineering, improve working efficiency, progress is fast, the problems in practice of construction is quickly solved, while also reducing the unnecessary expense in part.
Description
Technical field
The present invention relates to architectural design technical fields, specially a kind of to connect suitable for III class stake of cast-in-situ bored pile with cushion cap
Mode.
Background technique
Bored concrete pile system refers in engineering site through means such as machine drilling, steel pipe soil compaction or manpower excavations in foundation soil
Stake holes is formed, and places steel reinforcement cage, concrete perfusion and the stake being made into it, according to forming hole method difference, bored concrete pile again may be used
It is divided into several classes such as driven cast-in-place pile, cast-in-situ bored pile and digging hole filling pile, during foundation excavation, due to construction site
The influence of limitation and former stake spacing, basic soil timely cannot go out fortune and accumulate at the scene, lotus when former stake is by mound product
Load causes pile body to be destroyed, and cannot reach former design bearing requirements, in consideration of it, it is proposed that a kind of be suitable for cast-in-situ bored pile III
Class stake and cushion cap connection type.
Summary of the invention
The purpose of the present invention is to provide one kind to be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, comprising the following steps:
Step 1: extending with the stake side of former III class stake of cast-in-situ bored pile, soil property is cleared up, and on the basis of cutting pile beacon height, is taken downwards
Soil;
Step 2: the length after the extension of stake side is radius, and formwork connects again using the former III class stake center of circle of cast-in-situ bored pile as the center of circle
, the stake top after pile extension stretches to cushion cap, and the pile concrete of pile extension uses slightly expanded concrete;
Step 3: former III class stake body reinforcing bar of cast-in-situ bored pile stretches in cushion cap;
Step 4: pile extension pile body vertical reinforcement stretches in cushion cap;
Step 5: backfill conserves pile extension pile body after the completion of the construction of pile extension pile body, Soil Surrounding is cleared up, completes cushion construction;
It is wanted Step 6: determining that original III class stake body reinforcing bar of cast-in-situ bored pile and pile extension pile body vertical reinforcement anchor into cushion cap length and reach
It asks and after pile extension pile body built-in length reaches requirement, carries out foundation platform construction.
As a preference of the present invention, the length of the stake side extension in step 1 with former III class stake of cast-in-situ bored pile is 150mm,
Take the depth of soil not less than 600mm downwards.
As a preference of the present invention, using the former III class stake center of circle of cast-in-situ bored pile as the center of circle in step 2, after the extension of stake side
Radius is 150mm, and it is 50mm that the stake top after pile extension, which stretches to the depth in cushion cap, and the grade of the pile concrete of pile extension is C40,
When pouring pile extension pile concrete, vibration compacting, it is ensured that pile extension pile body is complete.
As a preference of the present invention, cast-in-situ bored pile III class stake body reinforcing bar in step 3 Central Plains stretches to the length in cushion cap
For 35D, the III class stake body reinforcing bar of former cast-in-situ bored pile in cushion cap is protruded into without any bending.
As a preference of the present invention, it is 35D, pile extension that pile extension pile body vertical reinforcement, which stretches to the length in cushion cap, in step 4
Pile body vertical reinforcement grade is grade III steel, and specification 12, arrangement spacing is 250mm, and the pile body transverse steel of pile extension is grade III steel,
Specification is 8, and arrangement spacing is 100mm.
As a preference of the present invention, cushion construction uses grade for the concrete of C20 in step 5, construction with a thickness of
10mm。
Compared with prior art, beneficial effects of the present invention:
Quick construction of the present invention is convenient, short construction period, is not influenced by the limitation of site facility and former stake spacing, not only
It can be that engineering saves a large amount of time, improve working efficiency, progress is fast, quickly solves the problems in practice of construction, while also subtracting
The unnecessary expense of small part.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the bottom view of the present invention former cast-in-situ bored pile III class stake and pile extension.
In figure: former III class stake 1 of cast-in-situ bored pile, pile extension 2, III class stake body reinforcing bar 3 of former cast-in-situ bored pile, pile extension pile body are perpendicular
To reinforcing bar 4, bed course 5, cushion cap 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1
One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, comprising the following steps:
Step 1: extending with the stake side of former III class stake 1 of cast-in-situ bored pile, soil property is cleared up, and on the basis of cutting pile beacon height, is taken downwards
Soil;
Step 2: the length after the extension of stake side is radius, and formwork connects again using former III class stake of cast-in-situ bored pile, 1 center of circle as the center of circle
Stake 2, the stake top after pile extension 2 stretch to cushion cap 6, and the pile concrete of pile extension 2 uses slightly expanded concrete;
Step 3: former III class stake body reinforcing bar 3 of cast-in-situ bored pile stretches in cushion cap;
Step 4: pile extension pile body vertical reinforcement 4 stretches in cushion cap;
Step 5: backfill conserves 2 pile body of pile extension after the completion of the construction of 2 pile body of pile extension, Soil Surrounding is cleared up, bed course 5 is completed and applies
Work;
Step 6: determining that original III class stake body reinforcing bar 3 of cast-in-situ bored pile and pile extension pile body vertical reinforcement 4 anchor into 6 length of cushion cap and reach
To requiring and after 2 pile body built-in length of pile extension reaches requirement, carry out foundation platform 6 and construct.
In the present embodiment, the length of the stake side extension in step 1 with former III class stake 1 of cast-in-situ bored pile is 150mm, downwards
The depth for taking soil is 600mm.
In the present embodiment, using former III class stake of cast-in-situ bored pile, 1 center of circle as the center of circle in step 2, the radius after the extension of stake side is
150mm, it is 50mm that the stake top after pile extension 2, which stretches to the depth in cushion cap 6, and the grade of the pile concrete of pile extension 2 is C40, is poured
When building 2 pile concrete of pile extension, vibration compacting, it is ensured that 2 pile body of pile extension is complete.
In the present embodiment, the length that cast-in-situ bored pile III class stake body reinforcing bar 3 in step 3 Central Plains stretches in cushion cap 6 is
35D protrudes into the III class stake body reinforcing bar 3 of former cast-in-situ bored pile in cushion cap 6 without any bending.
It is 35D, pile extension pile body that pile extension pile body vertical reinforcement 4, which stretches to the length in cushion cap 6, in the present embodiment, in step 4
4 grade of vertical reinforcement is grade III steel, and specification 12, arrangement spacing is 250mm, and the pile body transverse steel of pile extension is grade III steel, rule
Lattice are 8, and arrangement spacing is 100mm.
In the present embodiment, the construction of bed course 5 uses grade for the concrete of C20 in step 5, constructs with a thickness of 10mm.
Embodiment 2
One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, comprising the following steps:
Step 1: extending with the stake side of former III class stake 1 of cast-in-situ bored pile, soil property is cleared up, and on the basis of cutting pile beacon height, is taken downwards
Soil;
Step 2: the length after the extension of stake side is radius, and formwork connects again using former III class stake of cast-in-situ bored pile, 1 center of circle as the center of circle
Stake 2, the stake top after pile extension 2 stretch to cushion cap 6, and the pile concrete of pile extension 2 uses slightly expanded concrete;
Step 3: former III class stake body reinforcing bar 3 of cast-in-situ bored pile stretches in cushion cap;
Step 4: pile extension pile body vertical reinforcement 4 stretches in cushion cap;
Step 5: backfill conserves 2 pile body of pile extension after the completion of the construction of 2 pile body of pile extension, Soil Surrounding is cleared up, bed course 5 is completed and applies
Work;
Step 6: determining that original III class stake body reinforcing bar 3 of cast-in-situ bored pile and pile extension pile body vertical reinforcement 4 anchor into 6 length of cushion cap and reach
To requiring and after 2 pile body built-in length of pile extension reaches requirement, carry out foundation platform 6 and construct.
In the present embodiment, the length of the stake side extension in step 1 with former III class stake 1 of cast-in-situ bored pile is 150mm, downwards
The depth for taking soil is 625mm.
In the present embodiment, using former III class stake of cast-in-situ bored pile, 1 center of circle as the center of circle in step 2, the radius after the extension of stake side is
150mm, it is 50mm that the stake top after pile extension 2, which stretches to the depth in cushion cap 6, and the grade of the pile concrete of pile extension 2 is C40, is poured
When building 2 pile concrete of pile extension, vibration compacting, it is ensured that 2 pile body of pile extension is complete.
In the present embodiment, the length that cast-in-situ bored pile III class stake body reinforcing bar 3 in step 3 Central Plains stretches in cushion cap 6 is
35D protrudes into the III class stake body reinforcing bar 3 of former cast-in-situ bored pile in cushion cap 6 without any bending.
It is 35D, pile extension pile body that pile extension pile body vertical reinforcement 4, which stretches to the length in cushion cap 6, in the present embodiment, in step 4
4 grade of vertical reinforcement is grade III steel, and specification 12, arrangement spacing is 250mm, and the pile body transverse steel of pile extension is grade III steel, rule
Lattice are 8, and arrangement spacing is 100mm.
In the present embodiment, the construction of bed course 5 uses grade for the concrete of C20 in step 5, constructs with a thickness of 10mm.
Embodiment 3
One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, comprising the following steps:
Step 1: extending with the stake side of former III class stake 1 of cast-in-situ bored pile, soil property is cleared up, and on the basis of cutting pile beacon height, is taken downwards
Soil;
Step 2: the length after the extension of stake side is radius, and formwork connects again using former III class stake of cast-in-situ bored pile, 1 center of circle as the center of circle
Stake 2, the stake top after pile extension 2 stretch to cushion cap 6, and the pile concrete of pile extension 2 uses slightly expanded concrete;
Step 3: former III class stake body reinforcing bar 3 of cast-in-situ bored pile stretches in cushion cap;
Step 4: pile extension pile body vertical reinforcement 4 stretches in cushion cap;
Step 5: backfill conserves 2 pile body of pile extension after the completion of the construction of 2 pile body of pile extension, Soil Surrounding is cleared up, bed course 5 is completed and applies
Work;
Step 6: determining that original III class stake body reinforcing bar 3 of cast-in-situ bored pile and pile extension pile body vertical reinforcement 4 anchor into 6 length of cushion cap and reach
To requiring and after 2 pile body built-in length of pile extension reaches requirement, carry out foundation platform 6 and construct.
In the present embodiment, the length of the stake side extension in step 1 with former III class stake 1 of cast-in-situ bored pile is 150mm, downwards
The depth for taking soil is 650mm.
In the present embodiment, using former III class stake of cast-in-situ bored pile, 1 center of circle as the center of circle in step 2, the radius after the extension of stake side is
150mm, it is 50mm that the stake top after pile extension 2, which stretches to the depth in cushion cap 6, and the grade of the pile concrete of pile extension 2 is C40, is poured
When building 2 pile concrete of pile extension, vibration compacting, it is ensured that 2 pile body of pile extension is complete.
In the present embodiment, the length that cast-in-situ bored pile III class stake body reinforcing bar 3 in step 3 Central Plains stretches in cushion cap 6 is
35D protrudes into the III class stake body reinforcing bar 3 of former cast-in-situ bored pile in cushion cap 6 without any bending.
It is 35D, pile extension pile body that pile extension pile body vertical reinforcement 4, which stretches to the length in cushion cap 6, in the present embodiment, in step 4
4 grade of vertical reinforcement is grade III steel, and specification 12, arrangement spacing is 250mm, and the pile body transverse steel of pile extension is grade III steel, rule
Lattice are 8, and arrangement spacing is 100mm.
In the present embodiment, the construction of bed course 5 uses grade for the concrete of C20 in step 5, constructs with a thickness of 10mm.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. one kind is suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, it is characterised in that: the following steps are included:
Step 1: extending with the stake side of former III class stake (1) of cast-in-situ bored pile, soil property is cleared up, and on the basis of cutting pile beacon height, downwards
Take soil;
Step 2: the length after the extension of stake side is radius, again formwork using former III class stake (1) center of circle of cast-in-situ bored pile as the center of circle
Pile extension (2), the stake top after pile extension (2) stretch to cushion cap (6), and the pile concrete of pile extension (2) uses slightly expanded concrete;
Step 3: former III class stake body reinforcing bar (3) of cast-in-situ bored pile stretches in cushion cap;
Step 4: pile extension pile body vertical reinforcement (4) stretches in cushion cap;
Step 5: backfill conserves pile extension (2) pile body after the completion of the construction of pile extension (2) pile body, Soil Surrounding is cleared up, completes pad
Layer (5) construction;
Step 6: determining that original III class stake body reinforcing bar (3) of cast-in-situ bored pile and pile extension pile body vertical reinforcement (4) anchor into cushion cap (6)
Length reaches requirement and after pile extension (2) pile body built-in length reaches requirement, carries out foundation platform (6) construction.
2. according to claim 1 be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, it is characterised in that: step
The length extended in one with the stake side of former III class stake (1) of cast-in-situ bored pile takes downwards the depth of soil not less than 600mm for 150mm.
3. according to claim 1 be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, it is characterised in that: step
Using former III class stake (1) center of circle of cast-in-situ bored pile as the center of circle in two, the radius after the extension of stake side is 150mm, the stake top after pile extension (2)
The depth stretched in cushion cap (6) is 50mm, and the grade of the pile concrete of pile extension (2) is C40, and it is mixed to pour pile extension (2) pile body
When solidifying soil, vibration compacting, it is ensured that pile extension (2) pile body is complete.
4. according to claim 1 be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, it is characterised in that: step
It is 35D that three Central Plains cast-in-situ bored piles, III class stake body reinforcing bar (3), which stretches to the length in cushion cap (6), protrudes into the original in cushion cap (6)
III class stake body reinforcing bar (3) of cast-in-situ bored pile is without any bending.
5. according to claim 1 be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, it is characterised in that: step
It is 35D that pile extension pile body vertical reinforcement (4), which stretches to the length in cushion cap (6), in four, and pile extension pile body vertical reinforcement (4) grade is three
Grade steel, specification 12, arrangement spacing are 250mm, and the pile body transverse steel of pile extension is grade III steel, specification 8, and spacing of arranging is
100mm。
6. according to claim 1 be suitable for III class stake of cast-in-situ bored pile and cushion cap connection type, it is characterised in that: step
Bed course (5) construction uses grade for the concrete of C20 in five, constructs with a thickness of 10mm.
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CN201811628193.XA CN109706955A (en) | 2018-12-28 | 2018-12-28 | One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type |
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CN201811628193.XA CN109706955A (en) | 2018-12-28 | 2018-12-28 | One kind being suitable for III class stake of cast-in-situ bored pile and cushion cap connection type |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111254815A (en) * | 2020-03-04 | 2020-06-09 | 东南大学 | Self-resetting prefabricated pier structure for single-pile foundation and assembling method thereof |
CN115354651A (en) * | 2022-02-23 | 2022-11-18 | 中国五冶集团有限公司 | Construction method for pile extension of rotary drilling cast-in-place pile |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203200771U (en) * | 2013-01-30 | 2013-09-18 | 苏州工业园区设计研究院股份有限公司 | Connection structure for pile extension top and bearing platform |
CN205712153U (en) * | 2015-12-31 | 2016-11-23 | 上海建工五建集团有限公司 | Foundation pile structure |
CN206538779U (en) * | 2017-02-23 | 2017-10-03 | 华西能源工程有限公司 | A kind of rotary digging bored concrete pile pile splicing structure |
-
2018
- 2018-12-28 CN CN201811628193.XA patent/CN109706955A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203200771U (en) * | 2013-01-30 | 2013-09-18 | 苏州工业园区设计研究院股份有限公司 | Connection structure for pile extension top and bearing platform |
CN205712153U (en) * | 2015-12-31 | 2016-11-23 | 上海建工五建集团有限公司 | Foundation pile structure |
CN206538779U (en) * | 2017-02-23 | 2017-10-03 | 华西能源工程有限公司 | A kind of rotary digging bored concrete pile pile splicing structure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111254815A (en) * | 2020-03-04 | 2020-06-09 | 东南大学 | Self-resetting prefabricated pier structure for single-pile foundation and assembling method thereof |
CN115354651A (en) * | 2022-02-23 | 2022-11-18 | 中国五冶集团有限公司 | Construction method for pile extension of rotary drilling cast-in-place pile |
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Application publication date: 20190503 |