CN109972622A - The casting method of artificial digging pile pile concrete is carried out using anhydrous underwater concreting method - Google Patents
The casting method of artificial digging pile pile concrete is carried out using anhydrous underwater concreting method Download PDFInfo
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- CN109972622A CN109972622A CN201910343042.8A CN201910343042A CN109972622A CN 109972622 A CN109972622 A CN 109972622A CN 201910343042 A CN201910343042 A CN 201910343042A CN 109972622 A CN109972622 A CN 109972622A
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- concrete
- anhydrous
- pile
- underwater concreting
- underwater
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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
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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
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of casting methods that artificial digging pile pile concrete is carried out using anhydrous underwater concreting method；Characterized by comprising the following steps: the mixing of (1) concrete；(2) it kicks off；(3) buried depth control is poured；(4) without the conversion vibrated and vibrated；(5) pile crown pours processing.This casting method compare traditional clear water stake casting method and dry stake casting method advantage are as follows: the more traditional dry stake casting method of 1. anhydrous underwater concreting methods, without laminated pouring with vibrate, reduce the risk of operation under hole, improve and pour efficiency.2. the more traditional clear water stake casting method of anhydrous underwater concreting method reduces the influence to periphery hole to the larger drift sheet of permeability, the safety is improved without being filled the water into hole.3. it is visual preferably for anhydrous underwater concreting method, quality is easily guaranteed that.
Description
Technical field
The present invention relates to the pile concretes of artificial digging pile to pour field, and in particular to it is artificial that one kind is suitable for drift sheet
The method that caisson pile concrete pours, i.e., anhydrous underwater concreting method are safe and efficient, quality controllable.
Background technique
Currently, domestic artificial digging pile mostly uses dry stake casting method and clear water stake casting method to be poured, wherein dry stake is poured
It builds and is applicable in the poor stratum of water-retaining property, it is visual good which has the characteristics that construction, but its construction efficiency is low, process conversion frequency
Numerous, construction personnel's hole lower activity duration, long security risk was big, and pile concrete pouring quality is affected by human factors larger.Clear water
Stake casting method is applicable in the preferable stratum of water-retaining property, and relative to dry stake casting method, efficiency is higher, and process converts less, Wu Xushi
Operation under the prolonged hole of worker person, but a series of constructions such as the method visuality is poor, is easy to appear plugging, conduit exhaust is turned one's coat
Problem, to influence pile quality.And for anhydrous underwater concreting rule combination both the above traditional construction technique
Advantage has many advantages, such as that visuality is good, high-efficient, safety is good, quality controllable, construction problem is easy to handle, is greatly saved
Construction cost.
Summary of the invention
It is an object of the present invention to provide a kind of side poured suitable for drift sheet artificial digging pile pile concrete herein
Method, i.e., anhydrous underwater concreting method;Anhydrous underwater concreting method casting process is safe and efficient and quality controllable, saves
Construction cost.
The invention is realized in this way a kind of carry out manually digging hole stake body coagulation using anhydrous underwater concreting method
The casting method of soil, it is characterised in that；The following steps are included:
Step 1: the mixing of concrete:
Concrete used by anhydrous underwater concreting method has specific requirement, and concrete mix is according to underwater concrete
It is optimized with dry pile concrete match ratio；
Step 2: concrete opening quotation:
When first set concreting, conduit mouth calculates first set concrete quantity away from 40 ~ 50cm of bottom hole, guarantees first set concrete energy
Conduit is allowed to reach the buried depth of requirement, and concrete continuous is supplied；
Step 3: concrete normally pours:
Anhydrous underwater concreting method mainly passes through the self weight of concrete, concrete impact force down and concrete falls
The high vibration of conduit makes concrete compaction in the process；Buried depth is excessive will lead to the excessive frost boiling difficulty of the outer concrete gravity of pipe and
Plugging, the too small Surface layer's concrete of buried depth are easy to isolate because the impact force in conduit is excessive, and the depth of tremie of anhydrous perfusion is easy
Control is in 2 ~ 6m；
Step 4: without the conversion vibrated and vibrated:
Anhydrous underwater concreting method casting process exists to be poured and vibrates the conversion of casting craft without vibrating, main because mixing
Solidifying soil pour near aperture due in pipe casting concrete undershoot height difference reduce, lower punch power accordingly becomes smaller, and buried depth shoals, upper layer
Concrete gravity generate pressure become smaller, cause aperture nearby concrete cannot be closely knit, therefore need in such a way that dry stake pours into
Pedestrian's work is vibrated, and is vibrated the concrete poured when concrete is poured to apart from aperture 6m or so, starting layering；
Step 5: pile crown pours processing:
Pile foundation top concrete, which pours, belongs to pile crown pouring area, is the position directly contacted with substructure, essence is needed when pouring
True control just can ensure that the quality of pile crown concrete and effectively connect with later period substructure；Ensure when pouring to stake top by
Laitance is cleaned out, and is surpassed and poured 10 ~ 20cm.
It is described according to the present invention that pouring for artificial digging pile pile concrete is carried out using anhydrous underwater concreting method
Method, it is characterised in that:
In step 1, the concrete of use has specific requirement, and match ratio should use the match ratio of underwater concrete, and C30 is mixed
Solidifying soil match ratio are as follows: water 164kg: cement 320kg: rubble 1047kg: sand 790kg: water-reducing agent 3.6kg: flyash 80kg；Coagulation
Soil design 180 ~ 220mm of the slump；
In step 4, entire casting process exists to be poured and vibrates the conversion of casting craft without vibrating, and is mainly in view of in pipe
Whether concrete lower punch power and the outside upper layer concrete self weight of pipe meet the requirement for keeping lower-layer concrete closely knit.
It is described according to the present invention that pouring for artificial digging pile pile concrete is carried out using anhydrous underwater concreting method
Method, it is characterised in that: concrete is connect by tremie placing, conduit upper end with hopper in step 2 and step 3, and hopper is logical
The U-shaped card being placed on hopper frame is crossed to fix.
The present invention has the advantages that the present invention compares traditional casting craft advantage are as follows:
1, relative to dry stake casting method, construction efficiency is high, and process conversion is few, is not necessarily to operation under the prolonged hole of operating personnel,
Security risk is low.
2, relative to clear water stake casting method, casting process visuality is good, goes wrong and is easily processed, and being not in can not
Inverse construction problem.Casting process interferes the construction for closing on hole small, avoids causing because of infiltration closing on hole and safety accident occurs.
Detailed description of the invention
Fig. 1 is present invention construction schematic diagram.
Specific embodiment
Below in conjunction with Fig. 1, the present invention is described in detail, technical solution in the embodiment of the present invention carry out it is clear,
It is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
The purpose of the present invention is to provide anhydrous underwater concreting methods, belong to a kind of efficient, quick, safety, quality
Controllably, artificial digging pile pile concrete casting method at low cost.
Specific embodiment that present invention is further explained below:
Step 1: the mixing of concrete: concrete used by anhydrous underwater concreting method has specific requirement, concrete
Match ratio should use the match ratio of underwater concrete, C30 concrete mix are as follows: water (164kg): cement (320kg): rubble
(1047kg): sand (790kg): water-reducing agent (3.6kg): flyash (80kg).180 ~ 220mm of the Concrete Design slump；
Step 2: concrete opening quotation: when first set concreting, conduit mouth calculates first set concrete number away from 40 ~ 50cm of bottom hole
Amount guarantees the buried depth that first set concrete can allow conduit to reach requirement, and concrete continuous is supplied；
Step 3: concrete normally pours: anhydrous underwater concreting method mainly passes through the self weight of concrete, concrete down
Impact force and concrete dropping process in the high vibration of conduit make concrete compaction.Buried depth excessive will lead to is mixed outside pipe
The excessive frost boiling of solidifying soil self weight is difficult and plugging, the too small Surface layer's concrete of buried depth are easy to isolate because the impact force in conduit is excessive,
The depth of tremie of anhydrous perfusion is easy to control in 2 ~ 6m；
Step 4: without the conversion vibrated and vibrated: anhydrous underwater concreting method casting process, which exists, to be poured and shakes without vibrating
Smash the conversion of casting craft, mainly because concrete be pour near aperture due to the high subtractive of casting concrete undershoot in pipe
Small, lower punch power accordingly becomes smaller, and buried depth shoals, and the pressure that upper layer concrete gravity generates becomes smaller, and leads to the neighbouring concrete in aperture not
Can be closely knit, it therefore need to manually be vibrated in such a way that dry stake pours, when concrete is poured to apart from aperture 6m or so, start to be layered
Vibrate the concrete poured；
Step 5: pile crown pours processing: pile foundation top concrete, which pours, belongs to pile crown pouring area, is directly joined with substructure
The position of system needs accurate control, just can ensure that the quality of pile crown concrete and effectively connect with later period substructure when pouring；When
Ensure to clean out laitance when pouring to stake top, and super pours 10 ~ 20cm.
Wherein, concrete is poured by conduit 1 in step 2 and step 3, and 1 upper end of conduit is connect with hopper 2, and hopper 2 leads to
It is fixed to cross the U-shaped card 4 being placed on hopper frame 3.
This casting method compares traditional clear water stake casting method and dry stake casting method advantage are as follows:
1) the more traditional dry stake casting of anhydrous underwater concreting method, without laminated pouring with vibrate, reduce hole
The risk of lower operation, improves and pours efficiency.
2) the more traditional clear water stake casting method of anhydrous underwater concreting method into hole without being filled the water, to permeability
Larger high and cold drift sheet reduces the influence to periphery hole, and the safety is improved.
3) preferably, quality is easily guaranteed that its visuality of anhydrous underwater concreting method.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
1. a kind of casting method for being carried out artificial digging pile pile concrete using anhydrous underwater concreting method, feature are existed
In；The following steps are included:
Step 1: the mixing of concrete:
Concrete used by anhydrous underwater concreting method has specific requirement, and concrete mix is according to underwater concrete
It is optimized with dry pile concrete match ratio；
Step 2: concrete opening quotation:
When first set concreting, conduit mouth calculates first set concrete quantity away from 40 ~ 50cm of bottom hole, guarantees first set concrete energy
Conduit is allowed to reach the buried depth of requirement, and concrete continuous is supplied；
Step 3: concrete normally pours:
Anhydrous underwater concreting method mainly passes through the self weight of concrete, concrete impact force down and concrete falls
The high vibration of conduit makes concrete compaction in the process；Buried depth is excessive will lead to the excessive frost boiling difficulty of the outer concrete gravity of pipe and
Plugging, the too small Surface layer's concrete of buried depth are easy to isolate because the impact force in conduit is excessive, and the depth of tremie of anhydrous perfusion is easy
Control is in 2 ~ 6m；
Step 4: without the conversion vibrated and vibrated:
Anhydrous underwater concreting method casting process exists to be poured and vibrates the conversion of casting craft without vibrating, main because mixing
Solidifying soil pour near aperture due in pipe casting concrete undershoot height difference reduce, lower punch power accordingly becomes smaller, and buried depth shoals, upper layer
Concrete gravity generate pressure become smaller, cause aperture nearby concrete cannot be closely knit, therefore need in such a way that dry stake pours into
Pedestrian's work is vibrated, and is vibrated the concrete poured when concrete is poured to apart from aperture 6m or so, starting layering；
Step 5: pile crown pours processing:
Pile foundation top concrete, which pours, belongs to pile crown pouring area, is the position directly contacted with substructure, essence is needed when pouring
True control just can ensure that the quality of pile crown concrete and effectively connect with later period substructure；Ensure when pouring to stake top by
Laitance is cleaned out, and is surpassed and poured 10 ~ 20cm.
2. carrying out pouring for artificial digging pile pile concrete using anhydrous underwater concreting method according to claim 1
Method, it is characterised in that:
In step 1, the concrete of use has specific requirement, and match ratio should use the match ratio of underwater concrete, and C30 is mixed
Solidifying soil match ratio are as follows: water 164kg: cement 320kg: rubble 1047kg: sand 790kg: water-reducing agent 3.6kg: flyash 80kg；Coagulation
Soil design 180 ~ 220mm of the slump；
In step 4, entire casting process exists to be poured and vibrates the conversion of casting craft without vibrating, main
In view of pipe inner concrete lower punch power and manage whether outside upper layer concrete self weight meets the requirement for keeping lower-layer concrete closely knit.
3. carrying out pouring for artificial digging pile pile concrete using anhydrous underwater concreting method according to claim 1
Method, it is characterised in that: concrete is poured by conduit (1) in step 2 and step 3, and conduit (1) upper end and hopper (2) are even
It connects, hopper (2) is fixed by the U-shaped card (4) being placed on hopper frame (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343042.8A CN109972622A (en) | 2019-04-26 | 2019-04-26 | The casting method of artificial digging pile pile concrete is carried out using anhydrous underwater concreting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343042.8A CN109972622A (en) | 2019-04-26 | 2019-04-26 | The casting method of artificial digging pile pile concrete is carried out using anhydrous underwater concreting method |
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| CN109972622A true CN109972622A (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910343042.8A Pending CN109972622A (en) | 2019-04-26 | 2019-04-26 | The casting method of artificial digging pile pile concrete is carried out using anhydrous underwater concreting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709196A (en) * | 2020-12-24 | 2021-04-27 | 中交第四航务工程局有限公司 | Mounting and leakage testing method for dry dock steel dock gate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002285555A (en) * | 2001-03-26 | 2002-10-03 | Toyo Constr Co Ltd | Underwater concrete placing method and underwater concrete placing apparatus |
| CN103541352A (en) * | 2013-08-02 | 2014-01-29 | 中冶集团武汉勘察研究院有限公司 | Underground and overground continuous construction method for major-diameter high flat bed pile in sandy soil stratum |
| CN104480943A (en) * | 2014-11-30 | 2015-04-01 | 长江三峡通航管理局 | Underwater separating type concrete pouring constructing method |
| CN106013094A (en) * | 2016-06-17 | 2016-10-12 | 四川公路桥梁建设集团有限公司 | Method suitable for pouring concrete on pile body of manual hole digging pile |
| CN108457275A (en) * | 2017-02-22 | 2018-08-28 | 中国二十冶集团有限公司 | Cast-in-place pile concrete tamping equipment and its construction method |
| CN109098174A (en) * | 2018-09-18 | 2018-12-28 | 中国十九冶集团有限公司 | Hole digging pile pouring method |
-
2019
- 2019-04-26 CN CN201910343042.8A patent/CN109972622A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002285555A (en) * | 2001-03-26 | 2002-10-03 | Toyo Constr Co Ltd | Underwater concrete placing method and underwater concrete placing apparatus |
| CN103541352A (en) * | 2013-08-02 | 2014-01-29 | 中冶集团武汉勘察研究院有限公司 | Underground and overground continuous construction method for major-diameter high flat bed pile in sandy soil stratum |
| CN104480943A (en) * | 2014-11-30 | 2015-04-01 | 长江三峡通航管理局 | Underwater separating type concrete pouring constructing method |
| CN106013094A (en) * | 2016-06-17 | 2016-10-12 | 四川公路桥梁建设集团有限公司 | Method suitable for pouring concrete on pile body of manual hole digging pile |
| CN108457275A (en) * | 2017-02-22 | 2018-08-28 | 中国二十冶集团有限公司 | Cast-in-place pile concrete tamping equipment and its construction method |
| CN109098174A (en) * | 2018-09-18 | 2018-12-28 | 中国十九冶集团有限公司 | Hole digging pile pouring method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709196A (en) * | 2020-12-24 | 2021-04-27 | 中交第四航务工程局有限公司 | Mounting and leakage testing method for dry dock steel dock gate |
| CN112709196B (en) * | 2020-12-24 | 2022-10-04 | 中交第四航务工程局有限公司 | Dry dock steel dock gate installation and leakage test method |
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Application publication date: 20190705 |
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