CN105332371A - Pre-filled core prefabricated hollow pile of embedded pile shoe method and manufacturing method of pre-filled core prefabricated hollow pile - Google Patents
Pre-filled core prefabricated hollow pile of embedded pile shoe method and manufacturing method of pre-filled core prefabricated hollow pile Download PDFInfo
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- CN105332371A CN105332371A CN201510752432.2A CN201510752432A CN105332371A CN 105332371 A CN105332371 A CN 105332371A CN 201510752432 A CN201510752432 A CN 201510752432A CN 105332371 A CN105332371 A CN 105332371A
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Abstract
The invention discloses a pre-filled core prefabricated hollow pile of an embedded pile shoe method and a manufacturing method of the pre-filled core prefabricated hollow pile. The pre-filled core prefabricated hollow pile comprises a pile shoe, pile body concrete, a pile body reinforcement cage, threaded sleeves, an inner reinforcement cage, a hollow part and a pile shoe reinforcement cage. The pre-filled core prefabricated hollow pile is characterized in that one end of the pile body concrete is covered with the pile shoe, and the outer reinforcement cage is arranged in the pile body concrete; the threaded sleeves are embedded in the end faces of the pile body concrete; and the pile shoe reinforcement cage is arranged in the pile shoe. The method comprises the following steps that firstly, lower die cleaning and isolation agent coating are carried out; secondly, the reinforcement cages are placed in a conical die; thirdly, prestressed steel bars are discharged, and the length error is controlled; fourthly, the steel bars penetrate the threaded sleeves, and the heading is carried out; and fifthly, the pile body reinforcement cage is woven. The pre-filled core prefabricated hollow pile is novel in design, due to the fact that a pile head is of a solid concrete structure, the pile head is more resistant to beating, and the bearing capacity of the pile head is higher. A pile head end plate can be eliminated, the steel cost can be saved, core filling of the pile head through concrete on the site is not needed any more, the quality is more reliable and stable, and the construction period is greatly shortened.
Description
Technical field
The present invention is pre-fill core Prefabricated hollow pile of a kind of pre-buried shoe method and preparation method thereof, belongs to Application in Building technical field.
Background technology
The prefabricated tubular pile of current centrifugal forming, the shoe of hollow square pile, be end plate and steel shoe are welded at the construction field (site), and then hit the person underground by hammering or static pressure mode, complex process, the cycle is long, efficiency is low, steel shoe cost is also higher, during welding also not environmentally.And its pile crown to be connected with cushion cap be after pile foundation construction, scene is at stake endoporus with filling out the cast of core steel concrete, and the endoporus wadding weft variation bonding frictional force of site operation, durability effect are bad, affect by a lot of human factor, also not environmentally, construction quality is unstable.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to provide pre-fill core Prefabricated hollow pile of a kind of pre-buried shoe method and preparation method thereof.
To achieve these goals, the present invention realizes by the following technical solutions:
A pre-fill core Prefabricated hollow pile for pre-buried shoe method, comprises shoe, concrete piles, pile body reinforcing cage, screw shell, interior reinforcing cage, hollow and shoe reinforcing cage; It is characterized in that: described shoe is covered in concrete piles one end; Described pile body reinforcing cage is built in concrete piles; Described screw shell is embedded on the end face of concrete piles; Described interior reinforcing cage be fixed on stake end concrete piles hollow in; Described hollow be cylindric concrete piles inner space; Described shoe reinforcing cage is built in pre-formed conical shoe.
A manufacture method for the pre-fill core Prefabricated hollow pile of pre-buried shoe method, comprises the following steps: step one, counterdie cleaning and interleaving agent brushing; Step 2, reinforcing cage puts into conical die and concreting, and after maintenance, the demoulding becomes pre-formed conical shoe; Step 3, prestressed reinforcement blanking also controls error in length; Step 4, heading after screw shell put on by reinforcing bar; Step 5, reinforcing cage is worked out; Step 6, inserts outer reinforcing cage and interior reinforcing cage in counterdie; Step 7, feeding in counterdie; Step 8, close mould; Step 9, Shi Hanzhang; Step 10, centrifugal forming; Step 11, raises the stake of Prefabricated hollow pile punching block, quietly to stop and stream curing;
In step one, Pretensioned spun concrete piles or offcenter squared pile, brushing interleaving agent after counterdie cleaning;
In step 2, taper shoe reinforcing cage is put into conical die, after concreting maintenance, the demoulding becomes pre-formed conical shoe;
In step 3, by automatic steel bar shears fixed length to answering Steel Reinforcing Bar Material in advance, strictly control cutting length error by technological requirement;
In step 4, with the screw shell of heavy sky on first overlapping before prestressed reinforcement Upsetting head;
In step 5, by national atlas regulation establishment reinforcing cage, be fixed on reinforcing cage endoporus the reinforcing bar of 3 times away from reinforcing cage end diameters or location, a length of side place colligation diameter 6.5mm be is horizontal, and insert the suitable interior reinforcing cage with endoporus, and in pile crown end the foam box of a pre-buried suspension hook shape, be melted into cavity after being convenient to High Temperature Curing and play hole for hoist and use;
In step 6, insert outer reinforcing cage and interior reinforcing cage in counterdie, the other end inserts precast concrete taper shoe, and is all connected and fixed with anchor plate;
In step 9, reach design load with stretching machine Shi Hanzhang;
In step 10, punching block is put on centrifuge and carry out centrifugal forming by centrifuging process system, after centrifugal end, concrete can separate out cement paste, and punching block one end is raised about one meter, and the cement paste of endoporus is just concentrated and flow to this end and play endoporus concrete and fill out core effect, the effect of additional reinforcement pile crown; Follow-up stream curing operation is carried out again after the quiet 2h of stopping.
In step 11, Prefabricated hollow pile punching block shoe end is raised 1 meter and quiet stop 2 hours after enter stream curing again, remove pile crown after the complete demoulding of maintenance and fill out core end foam box and can link up with and hang stake and deposit
As further technical scheme of the present invention: described concrete piles is having three times of hollow diameter place reinforcing bars from concrete piles end face, and horizontal fixing, and adopt the wastewater slurry in producing to fill out in-core hole.
As further technical scheme of the present invention: described concrete piles end face is provided with foam box; Described foam box is hook-shaped.
As further technical scheme of the present invention: in described step 11, for the pile extension that 2 joints are above, expansion steel concrete is adopted to fill out core and reserved pocket for the punch head at the non-endoporus having filled out core end.
Beneficial effect of the present invention: the pre-fill core Prefabricated hollow pile of this pre-buried shoe method is novel in design, saves cost, reduces environmental pollution, shortens construction period, improves construction quality, is easy to promote.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is pile shoe structure schematic diagram of the present invention.
Fig. 3 is shoe reinforcement cage structure schematic diagram of the present invention;
Fig. 4 is present invention process flow chart;
In figure: 1. shoe; 2. concrete piles; 3. reinforcing bar; 4. pile body reinforcing cage; 5. screw shell; 6. foam box; 7. reinforcing cage in; 8 is hollow; 9. shoe reinforcing cage.
Detailed description of the invention
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with detailed description of the invention, setting forth the present invention further.
Refer to Fig. 1-4, the invention provides a kind of technical scheme: a kind of pre-fill core Prefabricated hollow pile of pre-buried shoe method, comprise shoe, concrete piles, pile body reinforcing cage, screw shell, interior reinforcing cage, hollow and shoe reinforcing cage; It is characterized in that: described shoe is covered in concrete piles one end; Described pile body reinforcing cage is built in concrete piles; Described screw shell is embedded on the end face of concrete piles; Described interior reinforcing cage is fixed in pile crown concrete piles endoporus; Described hollow be cylindric concrete piles inner space; Described shoe reinforcing cage is built in shoe.
A manufacture method for the pre-fill core Prefabricated hollow pile of pre-buried shoe method, comprises the following steps: step one, counterdie cleaning and interleaving agent brushing; Step 2, reinforcing cage puts into conical die and concreting, and after maintenance, the demoulding becomes pre-formed conical shoe; Step 3, prestressed reinforcement blanking also controls error in length; Step 4, heading after screw shell put on by reinforcing bar; Step 5, reinforcing cage is worked out; Step 6, inserts outer reinforcing cage and interior reinforcing cage, pre-formed conical shoe in counterdie; Step 7, feeding in counterdie; Step 8, close mould; Step 9, Shi Hanzhang; Step 10, centrifugal forming; Step 11, raises the stake of Prefabricated hollow pile punching block, quietly to stop and stream curing;
In step one, Pretensioned spun concrete piles or offcenter squared pile, brushing interleaving agent after counterdie cleaning;
In step 2, taper shoe reinforcing cage is put into conical die, after concreting maintenance, the demoulding becomes pre-formed conical shoe;
In step 3, by automatic steel bar shears fixed length to answering Steel Reinforcing Bar Material in advance, strictly control cutting length error by technological requirement;
In step 4, with the screw shell of heavy sky on first overlapping before prestressed reinforcement Upsetting head;
In step 5, by national atlas regulation establishment reinforcing cage, be fixed on reinforcing cage endoporus the reinforcing bar of 3 times away from reinforcing cage end diameters or location, a length of side place colligation diameter 6.5mm be is horizontal, and insert the suitable interior reinforcing cage with endoporus, and in pile crown end the foam box of a pre-buried suspension hook shape, be melted into cavity after being convenient to High Temperature Curing and play hole for hoist and use;
In step 6, insert outer reinforcing cage and interior reinforcing cage in counterdie, the other end inserts precast concrete taper shoe, and is all connected and fixed with anchor plate;
In step 9, reach design load with stretching machine Shi Hanzhang;
In step 10, punching block is put on centrifuge and carry out centrifugal forming by centrifuging process system, after high speed centrifugation, concrete can separate out cement paste, and punching block one end is raised about one meter, and the cement paste of endoporus is just concentrated and flow to this end and play endoporus concrete and fill out core effect, the effect of additional reinforcement pile crown; Follow-up stream curing operation is carried out again after the quiet 2h of stopping.
In step 11, Prefabricated hollow pile punching block shoe end is raised 1 meter and quiet stop 2 hours after enter stream curing again, remove pile crown after the complete demoulding of maintenance and fill out core end foam box and can link up with and hang stake and deposit
As further technical scheme of the present invention: described concrete piles is having three times of hollow diameter place reinforcing bars from concrete piles end face, and horizontal fixing, and with the wastewater slurry in production, endoporus is filled out core.
As further technical scheme of the present invention: described concrete piles end face is provided with foam box; Described foam box is hook-shaped.
As further technical scheme of the present invention: in described step 11, for the pile extension that 2 joints are above, after pile concrete maintenance, adopt expansion steel concrete that this end endoporus is filled out core and reserved pocket for the punch head at non-core end of having filled out.
Of the present invention when designing: by shoe reinforcing cage 9 large head-up, according to geological conditions and load bearing requirements, pour into ordinary concrete or steel fibrous concrete, first vibration compacting, quiet stopping carried out stream curing after 2 hours, was pre-formed conical shoe 1 after maintenance; Concrete piles 2, outer reinforcing cage 4 and interior reinforcing cage 7 form hollow pile body; Utilize reinforcing bar 3, the intensity of hollow pile body can be improved; Pre-buried screw shell 5, can fast and cushion cap be mechanically connected, easy to use; At the pre-buried foam box 6 of concrete piles 2 end face, described foam box 6 is hook-shaped, is melted into cavity and plays hole for hoist use after being convenient to High Temperature Curing.
The present invention is when implementing: pre-buried screw shell inside pile end plate, when being mechanically connected with cushion cap also when branch sleeve is used.After this is centrifugal, endoporus inserts a reinforcing cage suitable with endoporus, the wastewater slurry utilizing concrete high speed centrifugation to separate out makes cement paste concentrate by inclination punching block and fills out the endoporus of core to pile crown, during reinforcing cage establishment, at stake endoporus from the horizontal wire rod fixing a diameter 6.5 in the diameter or the length of side of the 3 times of hollow piles in end, be convenient to fill out core segment and combine firmly.Do not need again scene to fill out core during pile crown bearing platform construction, directly adopt and be mechanically connected.Due to pile crown pre-fill core, pile crown is all solid concrete, and endoporus is filled out core segment and also had partial prestressing, and pile crown bearing capacity improves greatly, reduces pile crown breakage rate.The reinforcing cage of human weld's taper in advance, puts into taper punching block, and the male cone (strobilus masculinus) of taper punching block is circumferentially distributed with several through holes, installs steel sleeve in through hole.By taper punching block large head-up, according to geological conditions and load bearing requirements, pour into ordinary concrete or steel fibrous concrete, first vibration compacting, quiet stopping carried out stream curing after 2 hours, was prefabricated shoe after maintenance.
More than show and describe general principle of the present invention and principal character and advantage of the present invention, to those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this manual is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should by manual integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. a pre-fill core Prefabricated hollow pile for pre-buried shoe method, comprises shoe, concrete piles, pile body reinforcing cage, screw shell, interior reinforcing cage, hollow and shoe reinforcing cage; It is characterized in that: described shoe is covered in concrete piles one end; Described pile body reinforcing cage is built in concrete piles; Described screw shell is embedded on the end face of concrete piles; Described interior reinforcing cage be fixed on concrete piles end hollow in; Described hollow be cylindric concrete piles inner space; Described shoe reinforcing cage is built in shoe.
2. the manufacture method of the pre-fill core Prefabricated hollow pile of a kind of pre-buried shoe method according to claim 1, is characterized in that: comprise the following steps: step one, counterdie cleaning and interleaving agent brushing; Step 2, reinforcing cage puts into conical die and concreting, and after maintenance, the demoulding becomes pre-formed conical shoe; Step 3, prestressed reinforcement blanking also controls error in length; Step 4, heading after screw shell put on by reinforcing bar; Step 5, reinforcing cage is worked out; Step 6, inserts outer reinforcing cage and interior reinforcing cage and pre-formed conical shoe in counterdie; Step 7, feeding in counterdie; Step 8, close mould; Step 9, Shi Hanzhang; Step 10, centrifugal forming; Step 11, raises the stake of Prefabricated hollow pile punching block, quietly to stop and stream curing;
In step one, Pretensioned spun concrete piles or offcenter squared pile, brushing interleaving agent after counterdie cleaning;
In step 2, taper shoe reinforcing cage is put into conical die, after concreting maintenance, the demoulding becomes pre-formed conical shoe;
In step 3, by automatic steel cutting off machine fixed length to answering Steel Reinforcing Bar Material in advance, strictly control cutting length error by technological requirement;
In step 4, with the screw shell of heavy sky on first overlapping before prestressed reinforcement Upsetting head;
In step 5, by national atlas regulation establishment reinforcing cage, be fixed on reinforcing cage endoporus the reinforcing bar of 3 times away from reinforcing cage end stake diameters or location, a length of side place colligation diameter 6.5mm be is horizontal, and insert the suitable interior reinforcing cage with endoporus, and in pile crown end the foam box of a pre-buried suspension hook shape, be melted into cavity after being convenient to High Temperature Curing and play hole for hoist and use;
In step 6, insert outer reinforcing cage and interior reinforcing cage in counterdie, the other end inserts precast concrete taper shoe, and is all connected and fixed with anchor plate;
In step 9, reach design load with stretching machine Shi Hanzhang;
In step 10, punching block is put on centrifuge and carry out centrifugal forming by centrifuging process system, after high speed centrifugation, concrete can separate out wastewater slurry, and punching block one end is raised about one meter, and the cement paste of endoporus is just concentrated and flow to this end and play endoporus concrete and fill out core effect, the effect of additional reinforcement pile crown; Follow-up stream curing operation is carried out again after the quiet 2h of stopping.
In step 11, remove pile crown after the complete demoulding of maintenance and fill out core end foam box and can link up with and hang stake and deposit.
3. the pre-fill core Prefabricated hollow pile of a kind of pre-buried shoe method according to claim 1, is characterized in that: the pre-buried prefabricated shoe in pile crown one end; Described concrete piles is having three times of hollow diameter place reinforcing bars from concrete piles end face, and horizontal fixing, and the wastewater slurry in the production of this end fills out in-core hole.
4. the pre-fill core Prefabricated hollow pile of a kind of pre-buried shoe method according to claim 1, is characterized in that: described concrete piles end face is provided with foam box; Described foam box is hook-shaped.
5. the manufacture method of the pre-fill core Prefabricated hollow pile of a kind of pre-buried shoe method according to claim 2, it is characterized in that: in described step 11, for the pile extension that 2 joints are above, after pile concrete maintenance, adopt expansion steel concrete to build the other end endoporus of stake and fill out core and reserved suspension hook groove.
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| CN201510752432.2A CN105332371A (en) | 2015-11-06 | 2015-11-06 | Pre-filled core prefabricated hollow pile of embedded pile shoe method and manufacturing method of pre-filled core prefabricated hollow pile |
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| CN201510752432.2A CN105332371A (en) | 2015-11-06 | 2015-11-06 | Pre-filled core prefabricated hollow pile of embedded pile shoe method and manufacturing method of pre-filled core prefabricated hollow pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105666688A (en) * | 2016-03-30 | 2016-06-15 | 威海齐德新型建材有限公司 | Precast pile, pile body and production method |
| CN111390105A (en) * | 2020-02-25 | 2020-07-10 | 湖北乾道新型材料有限责任公司 | Novel grouting sleeve model and preparation and use methods thereof |
| CN111958809A (en) * | 2020-08-20 | 2020-11-20 | 凡天建筑科技有限公司 | Method for manufacturing precast pile rod |
| CN115319909A (en) * | 2022-04-28 | 2022-11-11 | 江苏东浦管桩有限公司 | Pre-tensioning method prestressed precast pile manufacturing equipment and method |
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