CN105113491A - Construction method of pore-forming pouring pile - Google Patents
Construction method of pore-forming pouring pile Download PDFInfo
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- CN105113491A CN105113491A CN201510618588.1A CN201510618588A CN105113491A CN 105113491 A CN105113491 A CN 105113491A CN 201510618588 A CN201510618588 A CN 201510618588A CN 105113491 A CN105113491 A CN 105113491A
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Abstract
The invention relates to a construction method of a pore-forming pouring pile of a prefabricated concrete remaining wall. The method includes the steps of making a steel combined protecting cylinder or a concrete combined protecting cylinder of a steel and concrete combined protecting cylinder serve as an advance supporting system of a pore-forming working section in a pile hole, and pushing the advance supporting system to move forwards through a detachable hydraulic system in the pile hole, wherein the advance supporting system is a temporary remaining wall protecting system used during pore-forming work of the pore-forming working section. Under the protection of the combined protecting cylinder, namely, the advance supporting system, prefabricated concrete pieces are spliced in a segmented mode according to work links so that a concrete supporting ring can be formed to serve as a hole wall concrete remaining wall protecting system of the pile hole, and the hole wall concrete remaining wall protecting system is a pile hole remaining wall protecting system used in the whole pile forming work. The problem that an existing dry-work pore-forming pouring pile is hard or impossible to form in a soft soil stratum, a quicksand stratum and a water bearing stratum is solved, the bearing capacity and pile body stability of the pore-forming pouring pile are greatly improved, and comprehensive economic and social benefits are remarkable.
Description
Technical field
The present invention relates to the construction method of a kind of pore-creating filling pile in pile foundation construction.
Background technology
Existing pore-creating filling pile (non-Squeezing Soil Pile) mainly contains dry operation pore-creating filling pile, mud off pore-creating filling pile, casing pipeholing casting stake.Dry operation pore-creating filling pile has the pore-creating filling piles such as manually digging hole, length or short spiral, mechanically drived luoyang shovel, and dry operation pore-forming perfusion concrete concrete piles quality controls well, can make full use of bearing capacity of foundation slab, good without mud construction environment; Mud off pore-creating filling pile has diving boring, just or the mud off such as reverse circulation drilling, spiral-digging pore pore-creating filling pile, handles underwater concrete pouring after sediment well, wide adaptability; Casing pipeholing casting stake has Benoto castinplace pile (percussive grabbing boring), SaperTop engineering method, short screw-feed boring castinplace pile etc., and general anhydrous perfusion concrete (also having underwater grouting), wide adaptability, quality better controls.
The deficiency of existing pore-creating filling pile: mud off pore-creating filling pile adopts mud off and underwater concrete pouring, because at the bottom of mud cake on the wall of borehole and hole, sediment problem makes bearing capacity of foundation slab be subject to reduction, the more difficult control of the relatively dry operation of concrete piles quality, pile body diameter poorly controls, and pile shaft concrete strength is not fully utilized, uses because mud problems increases sewage charge and cause certain environmental problem (comprising construction environment and transport discharge environment).The disposable input of casing pipeholing casting stake is high and construction cost is high, needs underwater concrete pouring when meeting water bearing ground, and now more dry operation concrete piles quality relative difficult controls, and bearing stratum declines to some extent by disturbance consequence power of carrying, and bearing capacity of pile is underused.Dry operation pore-creating filling pile is the pore-forming that carries out in anhydrous conditions and concrete pouring, both the most frequently used stake had not been had---the relevant issues that mud off pore-creating filling pile brings because of sediment and mud skin, underwater concrete pouring and the mud etc. of technique, also do not have the disposable input of casing pipeholing casting stake high and the rough sledding that cost is high, therefore dry operation pore-creating filling pile has the bearing capacity, good and cost performance is high economically without mud construction environment that concrete piles construction quality easily controlled, can make full use of foundation soil.But existing dry operation pore-creating filling pile is difficult in soft soil layer, quicksand formation and water bearing ground or cannot pile, therefore existing dry operation pore-creating filling pile compliance has great limitation.
Summary of the invention
Technical problem to be solved by this invention is: the construction method providing a kind of pore-creating filling pile, the method can solve the problem being difficult to maybe cannot pass through soft soil layer, quicksand formation and water bearing ground that existing dry operation pore-creating filling pile exists, and has increased substantially bearing capacity and the pile body stability of pore-creating filling pile.
The technical solution adopted in the present invention is: a kind of construction method of pore-creating filling pile of Prefabricated Concrete retaining wall, and this construction method comprises the following steps:
(1), the advance support of steel combination casing or concrete combination casing or steel concrete combination casing
Casing or concrete combination casing or the steel concrete combination casing advance support system as pore-forming job step in stake holes is combined with steel; promote advance support system by hydraulic system removable in stake holes to advance, interim retaining wall protection system when advance support system is the pore-forming operation being used as drilling construction section.
(2), the retaining wall protection of the assembled formation stake holes of concrete sheet
Combine the advance support system protection of casing or steel concrete combination casing at steel combination casing or concrete under, form concrete by each operation ring time segmented assembly Prefabricated Concrete sheet and prop up the hole wall concrete dado protection system of retaining ring as stake holes, pile holes protecting wall protection system when this hole wall concrete dado protection system is whole pile operation, the part as pile body after pile is used; When foundation soil to the power of encircling that concrete props up retaining ring be less than concrete prop up the sliding force of retaining ring time, default concrete contract block to be hammered in a side foundation soil or with the cement paste of rapid solidification carrying out lateral wall slip casting, retaining ring is propped up with fixing mounted concrete, prevent from concrete from propping up retaining ring to glide because of vertical gravity, improve the bearing capacity of stake simultaneously.
Beneficial effect of the present invention: the present invention is the pile job execution that the concrete sheet assembled formation retaining wall system (can be used as pile body after pile to be used) of casing advance support and pore-forming operation rear end factorial praluction is implemented in operation in hole, solve existing dry operation pore-creating filling pile to be difficult in soft soil layer, quicksand formation and water bearing ground or cannot the problem of pile, and increased substantially bearing capacity and the pile body stability of pore-creating filling pile, thus achieve the important breakthrough of dry operation pore-forming pile foundation Construction Technology, mixed economy and social benefit remarkable.The major advantage of this construction method: 1, pour into concrete under anhydrous condition, concrete piles quality controls well; 2, without mud skin and sediment, the reduction of bearing capacity of foundation slab can not be caused; 3, can according to Different Strata situation, carry out that expanding and slip casting, particularly bearing course at pile end are expanding, stake side is expanding, the slip casting of stake end gravel layer, foundation soil condition can be made full use of, at utmost improve pile body bearing capacity and pile body stability, reduce pile foundation cost; 4, bearing capacity of single pile is large, can the intensity utilizing concrete piles of higher degree.One pile for one column (save cushion cap expense) can be accomplished, in soft foundation, be convenient to design lay out pile, particularly the laying out pile of core shell part; 5, without mud and construction noise little, environmental protection condition is good, has saved environmental protection disposal costs, as slurry transportation and discharge fee, building site civilized construction input etc.; 6, the assembled formation supporting of concrete sheet because adopting batch production prefabricated, can adopt do mechanization operation, speed of application is fast.
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 be steel combination casing or concrete combination casing or steel concrete combination casing and hand-hole time schematic diagram;
Fig. 2 is that advance support passes the work progress schematic diagram creeping into the section of fetching earth;
Fig. 3 is that advance support is not through the work progress schematic diagram creeping into the section of fetching earth;
Fig. 4 is that concrete props up retaining ring schematic cross-section;
Fig. 5 is concrete sheet schematic diagram;
Fig. 6 is pile body schematic diagram.
Detailed description of the invention
The present embodiment provides the overall process of the construction method of a kind of pore-creating filling pile of the present invention
(1), steel combines casing or concrete combination casing or steel concrete and combines casing assembling and hand-hole installation
As shown in Figure 1, steel combination casing or concrete combine casing or steel concrete combination casing 1 length 5-10 meters.The oil cylinder 3 of the hydraulic system in concrete sheet mounting disc 2, stake holes of can being circular layout inside steel combination casing or concrete combination casing or steel concrete combination casing and annular drilling tool 4.Increase motor, oil pump and fuel tank during Hydraulic Station (system) hand-hole, motor, oil pump and fuel tank are circular layout inside steel combination casing or concrete combination casing or steel concrete combination casing.
Steel combination casing or concrete combine casing or steel concrete combination casing 1, utilize earth's surface counter-force press-in orifice tube 5, steel combination casing or concrete combination casing or steel concrete to combine casing 1, complete aperture and install after fetching earth.
(2), steel combination casing or concrete combine casing or steel concrete combination casing advance support
As shown in Figure 2 and Figure 3; steel combination casing or concrete combine casing or steel concrete combines the advance support system of casing 1 as pore-forming job step in stake holes; promote advance support system by the annular cylinder 3 of hydraulic system in stake holes to advance, retaining wall protection system when advance support system is the pore-forming operation being used as drilling construction section.
In weak soil, soft plastic clay or quicksand formation, advance support system will inject in foundation soil and carry out more advance support (creep into fetch earth in advance support carry out) through creeping into the section of fetching earth 6, the part 7 that advance support system injects foundation soil is that other stratum advance support systems are through creeping into the section of fetching earth 6 in order to prevent weak soil, soft plastic clay or quicksand from clamp-oning in stake holes.
(3) creep into and fetch earth
As shown in Figure 2 and Figure 3, drilling tool is selected to carry out creeping into and fetching earth.In weak soil, soft plastic clay or quicksand formation, use advance support system and carry out friction jewel and to keep forging ahead soil, fetch earth again after being namely pressed into advance support (creep into fetch earth in advance support carry out); Other stratum are first crept into and the advance support that follows up again that fetches earth, the construction method that water bearing ground creeps into after can adopting grouting seal water or adopts hydraulic balance to creep into.
(4), the retaining wall protection system of the assembled formation stake holes of concrete sheet
As shown in Figure 2, Figure 3, Figure 4; the good concrete sheet 8 of prefabrication; under the advance support protection that steel (or steel concrete) combines casing 1; form concrete in pore-forming job step rear end by each operation ring time segmented assembly Prefabricated Concrete sheet 8 and prop up the hole wall concrete dado protection system of retaining ring 9 as stake holes; pile holes protecting wall protection system when this hole wall concrete dado protection system is whole pile operation, the part as pile body after pile is used
When each operation ring time Prefabricated Concrete sheet is assembled, default concrete contract block 10 is hammered in a side foundation soil, be used for fixing mounted concrete further on the one hand and prop up retaining ring 9, improve bearing capacity and the pile body stability of stake on the other hand.
Prefabricated Concrete sheet is assembled complete after, with the cement paste of rapid solidification carrying out lateral wall slip casting 11; With fixing mounted Prefabricated Concrete sheet 8, prevent vertical Prefabricated Concrete sheet 8 from gliding because of gravity, improve the bearing capacity of stake simultaneously.
Concrete props up retaining ring (i.e. concrete dado system) 9 for pile temporary lining (a pile pile activity duration is generally a couple of days), and each concrete props up retaining ring 9 by 3-10 sheet Prefabricated Concrete sheet 8 and forms, and is unworthy of reinforcing bar.Due to little and vertical construction condition between operation area in hole, be difficult to from stake holes longitudinally last block Prefabricated Concrete sheet of incision, all Prefabricated Concrete sheets adopt laterally to be installed.Prefabricated Concrete sheet installs order: hang blue transport concrete sheet 8 first construction section 12 in place; Hang blue transport concrete contract block 10 second construction section 13 in place; First batch of concrete sheet 8 is grabbed by annular mounting disc 2; Rotate along hoop and first batch of concrete sheet 8 is left installing port; Two batches of concrete sheets 8 are grabbed by annular mounting disc 2; Hydraulic jack 3 stressed concrete sheet 8 is in place; Steel combination casing or concrete combine casing or the stressed advance of steel concrete combination casing; Hammered into by default concrete contract block 10 in second construction section, 13 side foundation soils, all concrete sheet 8 and concrete contract block 10 be ring-like to interlock and forms concrete and prop up retaining ring (i.e. concrete dado system) 9.
(5) hole-bottom slurry-injection and expanding
As shown in Figure 6, when drilling construction is close to boulder and cobble bearing stratum, adopts slim hole drilling to arrive bearing stratum, hole-bottom slurry-injection 14 is carried out to boulder and cobble bearing stratum.This slip casting first shutoff underground water, two is the supporting capacitys increasing substantially gravel layer.
After pore-forming arrives predetermined hole depth, prop up in the stake holes of retaining ring completing concrete, carry out stake end expanding 15 or stake side portion expanding 16 as required, to make full use of foundation soil condition, at utmost improve bearing capacity of single pile, reduce pile foundation cost.Stake end expanding 15 is that under existing concrete props up retaining ring condition, carry out doing operation at the bottom of hole expanding, and this is expanding condition at the bottom of the incomparable stake of existing most of stake; Stake side expanding longitudinally outside stake, is pressed into 3-6 block Prefabricated Concrete contract block 10 in monocycle concrete dado, effectively can improve pile body frictional force and pile body stability (raising slenderness ratio); Stake side expanding two is at the good position of Pile side soil matter, expands force bearing disk.
(6) pile is poured into
As shown in Figure 6, after completing above-mentioned operation, cleaning eye is interior, installation reinforcing cage pours into concrete piles 17 pile in anhydrous conditions.
Claims (8)
1. a construction method for pore-creating filling pile, is characterized in that: this construction method comprises the following steps:
(1), the advance support of steel combination casing or concrete combination casing or steel concrete combination casing
Casing or concrete combination casing or the steel concrete combination casing advance support system as pore-forming job step in stake holes is combined with steel, promote advance support system by hydraulic system removable in stake holes to advance, interim retaining wall protection system when advance support system is the pore-forming operation being used as drilling construction section;
(2), the retaining wall protection of the assembled formation stake holes of concrete sheet
Combine the advance support system protection of casing or steel concrete combination casing at steel combination casing or concrete under, form concrete by each operation ring time segmented assembly Prefabricated Concrete sheet and prop up the hole wall concrete dado protection system of retaining ring as stake holes, pile holes protecting wall protection system when this hole wall concrete dado protection system is whole pile operation, the part as pile body after pile is used; When foundation soil to the power of encircling that concrete props up retaining ring be less than concrete prop up the sliding force of retaining ring time, default concrete contract block to be hammered in a side foundation soil or with the cement paste of rapid solidification lateral wall slip casting can be carried out, to prop up retaining ring with fixing mounted concrete.
2. the construction method of pore-creating filling pile according to claim 1, it is characterized in that: in step (1), in weak soil, soft plastic clay or quicksand formation, advance support system will carry out more advance support through creeping in the section of fetching earth reeve foundation soil, clamp-on in stake holes to prevent weak soil, soft plastic clay or quicksand; Other stratum advance support systems are through creeping into the section of fetching earth.
3. the construction method of pore-creating filling pile according to claim 1, it is characterized in that: in step (1), described steel combination casing or concrete combine casing or steel concrete combination casing, length 5-10 rice, the interior annular layout concrete sheet mounting disc of steel combination casing or concrete combination casing or steel concrete combination casing, the oil cylinder of hydraulic system and annular drilling tool.
4. the construction method of pore-creating filling pile according to claim 1, it is characterized in that: in step (1), increase motor, oil pump and fuel tank during hydraulic system hand-hole, motor, oil pump and fuel tank are circular layout inside steel combination casing or concrete combination casing or steel concrete combination casing.
5. the construction method of pore-creating filling pile according to claim 1, is characterized in that: in step (2), and each concrete described props up retaining ring and is made up of 3-10 sheet concrete sheet, is pile temporary lining, is unworthy of reinforcing bar, and all concrete sheets are laterally install.
6. the construction method of pore-creating filling pile according to claim 1, is characterized in that: in step (2), when Prefabricated Concrete sheet is assembled, hammers in a side foundation soil by default concrete contract block, with fixing mounted Prefabricated Concrete sheet.
7. the construction method of pore-creating filling pile according to claim 1, is characterized in that: in step (2), Prefabricated Concrete sheet is assembled complete after, with the cement paste of rapid solidification lateral wall slip casting can be carried out, with fixing mounted concrete sheet.
8. the construction method of pore-creating filling pile according to claim 1, it is characterized in that: when drilling construction is close to boulder and cobble bearing stratum, adopt slim hole drilling to arrive bearing stratum, slip casting is carried out to boulder and cobble bearing stratum, can shutoff underground water and improve the supporting capacity of bearing stratum; After pore-forming arrives predetermined hole depth, in the stake holes of concrete dado completing hole wall concrete support system, as required reaming is carried out to bearing course at pile end or stake side portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510618588.1A CN105113491B (en) | 2015-09-25 | 2015-09-25 | A kind of construction method of pore-creating filling pile |
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| CN201510618588.1A CN105113491B (en) | 2015-09-25 | 2015-09-25 | A kind of construction method of pore-creating filling pile |
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| CN105113491B CN105113491B (en) | 2017-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972645A (en) * | 2018-06-29 | 2019-07-05 | 中铁二十二局集团第三工程有限公司 | Assist the assembled interim retaining wall of the steel of pile foundation concrete dado construction and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06136745A (en) * | 1992-04-28 | 1994-05-17 | J D F:Kk | Construction method for hollow widened bottom cast-in-place concrete pile |
| CN1635228A (en) * | 2005-01-06 | 2005-07-06 | 上海市政工程设计研究院 | Bored under-reamed filling pile and fabricating method therefor |
| CN103122632A (en) * | 2013-02-06 | 2013-05-29 | 中冶沈勘工程技术有限公司 | Construction method for drilling hole and casting pile in plastic flow stratum or karst cave stratum |
| CN103758123A (en) * | 2014-01-24 | 2014-04-30 | 江苏建筑职业技术学院 | Method for constructing protecting wall lining of cast-in-place manual hole digging pile |
| CN103967032A (en) * | 2014-04-16 | 2014-08-06 | 青岛理工大学 | Double-pile-casing cast-in-situ bored pile for strongly-corrosive saline soil and construction method thereof |
| CN104563098A (en) * | 2015-01-21 | 2015-04-29 | 成都市第四建筑工程公司 | Construction method of pore-forming pouring pile in dry work of super-large-diameter full-steel pipe casing |
-
2015
- 2015-09-25 CN CN201510618588.1A patent/CN105113491B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06136745A (en) * | 1992-04-28 | 1994-05-17 | J D F:Kk | Construction method for hollow widened bottom cast-in-place concrete pile |
| CN1635228A (en) * | 2005-01-06 | 2005-07-06 | 上海市政工程设计研究院 | Bored under-reamed filling pile and fabricating method therefor |
| CN103122632A (en) * | 2013-02-06 | 2013-05-29 | 中冶沈勘工程技术有限公司 | Construction method for drilling hole and casting pile in plastic flow stratum or karst cave stratum |
| CN103758123A (en) * | 2014-01-24 | 2014-04-30 | 江苏建筑职业技术学院 | Method for constructing protecting wall lining of cast-in-place manual hole digging pile |
| CN103967032A (en) * | 2014-04-16 | 2014-08-06 | 青岛理工大学 | Double-pile-casing cast-in-situ bored pile for strongly-corrosive saline soil and construction method thereof |
| CN104563098A (en) * | 2015-01-21 | 2015-04-29 | 成都市第四建筑工程公司 | Construction method of pore-forming pouring pile in dry work of super-large-diameter full-steel pipe casing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972645A (en) * | 2018-06-29 | 2019-07-05 | 中铁二十二局集团第三工程有限公司 | Assist the assembled interim retaining wall of the steel of pile foundation concrete dado construction and construction method |
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