CN1103915A - Process and equipment for settling pipe and pouring concrete pile in situ - Google Patents
Process and equipment for settling pipe and pouring concrete pile in situ Download PDFInfo
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- CN1103915A CN1103915A CN 93111926 CN93111926A CN1103915A CN 1103915 A CN1103915 A CN 1103915A CN 93111926 CN93111926 CN 93111926 CN 93111926 A CN93111926 A CN 93111926A CN 1103915 A CN1103915 A CN 1103915A
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Abstract
The equipments of the invented technology consists of small impact borrowing pile hammer, drill, concreting bucket, immersed cylinder and ram capable of moving in the immersed cylinder with the bottom of the ram being a flat plane and its top end being a borrowing basin. The pile forming technology is as follows: hole forming, cylinder covered the pile tip being set in the hole bottom, concreting to form pallet, tamping the pallet to make the pile tip sink into the supporting layer, concreting, lifting the cylinder, tamping concrete to make it into thicker end of hole bottom, concreting, lifting the cylinder, tamping concrete to make into partial thicker end, setting reinforcement cage, concreting, vibrating and tamping, pile forming. Advantages: small pile hammer for the construction of pile noise-less, good quality and low cost.
Description
The present invention relates to the pile-formation process and the equipment thereof of construction tube-sinking cast-in-situ pile in the construction work, or rather, is a kind of pile-formation process and equipment thereof that adopts small-sized impact type ram machine construction tube-sinking cast-in-situ pile.
Existing small-sized impact type pile machine equipment because that it has a volume is less, to plastic, to mould the soil layer speed of application firmly very fast, the occasion that can can't construct at large-scale stake machine and the occasion of nearby buildings are carried out advantage such as Bored Pile Construction and are used widely.But weak point is: because the restriction of structure and construction technology thereof, this class small pile machine is slower at the speed of application of softly moulding, stream is moulded in the shape soil layer.Its reason is that the hammer ram that this class stake machine is used for managing the bottom, hole can't be with mud at the bottom of the hole and surface dust compacting when ramming, the shallow more phenomenon in hole can appear ramming more, its drill bit that fetches earth also can't be got only (even if setting of casing retaining wall water proof also is like this) with earth at the bottom of the hole and mud in addition, cause construction quality relatively poor, the pile bearing capacity of pile tip is low etc., moreover, the small-sized impact type pile machine equipment of this class also should not be constructed to tube-sinking cast-in-situ pile.
The present invention's purpose, be to make improvements at the above-mentioned deficiency that has small-sized impact type stake machine now, make it to become a kind of can softly mould, stream moulds construct faster in the shape soil layer tube-sinking cast-in-situ pile and more piece pore-creating filling pile, can improve construction quality, and when construction noiseless, can partly replace the pile-formation process and the equipment thereof of the tube-sinking cast-in-situ pile of large-scale pile machine equipment.
Realize that the technical scheme that above-mentioned purpose provided is:
A kind of equipment of the tube-sinking cast-in-situ pile of constructing, it comprises: small-sized impact type is got earth pile machine, drill bit, concrete casting bucket, immersed tube and hammer ram, it is characterized in that described hammer ram is made of with the soil pipe (1) of depositing that links to each other with this weight (2) upper end the weight that can move up and down (2) in immersed tube, described weight (2) bottom is the plane, there is the major part (4) of protrusion the following peripheral, and described soil pipe (1) upper end of depositing is opening.
A kind of technology that adopts the said equipment construction tube-sinking cast-in-situ pile comprises the steps:
A, with bit bore to design elevation; Drilling diameter should be greater than stake point (5) 1～4cm;
B, immersed tube (8) entangle precast pile tip (5) and insert at the bottom of the hole, add the shape constructional materials that looses and make pallet (6);
C, ram pallet (6) with hammer ram (7) and make precast pile tip (5) sink down into bearing stratum;
D, concrete perfusion, slowly promote immersed tube (8) simultaneously, ram concrete with hammer ram (7) and carry out rammed concrete, become major part (9) at the bottom of making, concrete perfusion, apart from promoting immersed tube (8), carry out rammed concrete by the design reaming, make the pile body part become major part (10) with hammer ram (7);
E, lay reinforcing cage (11) by design attitude, concrete perfusion, the back pile vibrates.
Described pallet (6) has two effects, and the one, guarantee that ramming Shi Buhui at hammer ram (7) damages the stake point, the 2nd, can prevent partly that sealing is upwards leached by following.
Equipment provided by the invention is actually a kind of improvement to existing small pile machine equipment, and it changes existing hammer ram into one has and deposit soil pipe (1) and the bottom is the hammer ram on plane.This hammer ram when work not only can at the bottom of because of the hole, the surface dust shaken off of the bounce-back of hole wall vibration and wire rope fishes for, and can be when ramming upwards the mud of recoil pack into and deposit in the native pipe.Can improve the speed of application of moulding, flowing in the shape soil layer soft, guarantee construction quality.
The major part of described weight (4) is used to prevent that the material of making pallet (6) when hammer ram is rammed from splashing.
Tube-sinking cast-in-situ pile technology provided by the present invention has following characteristics: the one, and hammer ram (7) carries out work all the time in immersed tube (8), noiseless during construction; The 2nd, directly utilize immersed tube (8) retaining wall water proof; The 3rd, adopted the small pile machine, the pile cost is lower; The 4th, foot of hole does not fetch earth and with the sharp soil compaction of stake, can make full use of the sharp bearing capacity of stake.
For guarantee hammer ram among the present invention can be in described immersed tube (8) reliable movement, described weight (2) middle and upper part periphery also can be provided with uniform guide pad (3), the height of this guide pad (3) is consistent with the protrusion height of described major part (4).
Diffusing shape constructional materials in the pile-formation process of the present invention can be selected constructional materialss such as mix concrete, cobble, sand for use.
Facts have proved, not influenced by ground, place, can not send bigger noise nuisance, can under different soil conditions, construct, mechanical wear to equipment during construction is less, its pile cost is low, can partly replace the heavy bored concrete pile machine of large-scale vibrating, reaches the present invention's purpose.
Below in conjunction with accompanying drawing and example the present invention is further specified.
Fig. 1 is the structural representation of hammer ram in the present device (7);
Specific embodiment signal when Fig. 2 constructs the more piece tube-sinking cast-in-situ pile for adopting present device and pile-formation process thereof.
In the example (referring to Fig. 1):
By weight (2), guide pad (3) with deposit soil pipe (1) and constitute hammer ram in the present device, described weight bottom is the plane, the described soil of depositing is managed the upper end that (1) is positioned at weight (2), described guide pad (3) is distributed on the weight top periphery, end periphery has the major part (4) of protrusion under the described weight (2), and its protrusion height is consistent with the height of described guide pad (3).
The specific embodiment (referring to Fig. 2) of construction more piece tube-sinking cast-in-situ pile:
Prepare small-sized impact type and get earth pile machine, the drill bit that fetches earth, concrete casting bucket, immersed tube (8), hammer ram (7) and relevant device.
A, with the bit bore that fetches earth to design elevation (soft soil layer top or the bearing stratum top of moulding); Or bore dia is greater than precast pile tip diameter 1～4cm;
B, entangle precast pile tip (5) and insert the hole with immersed tube (8) at the bottom of, concrete perfusion or cobble or mortar are made pallet (6); Precast pile tip (5) head diameter should be greater than more than immersed tube (8) the diameter 2cm;
C, ram pallet (6) with hammer ram (7) and make precast pile tip (5) to bearing stratum; The speed that precast pile tip (5) sinks is every hammer＜3cm, should keep the vertical of immersed tube (8) when ramming;
D, concrete perfusion, promote simultaneously slowly immersed tube (8), ramming with hammer ram (7) becomes major part (9) at the bottom of concrete makes, concrete perfusion and by design pitch-row lifting immersed tube (8), use hammer ram (7) to carry out rammed concrete again, make the pile body part become major part (10);
E, lay reinforcing cage (11) by design attitude, concrete perfusion, the back pile vibrates.
This example pile degree of depth can reach about 15m, and expanded diameter is 250～600mm, and especially Shi Gong pile body undergauge, distortion, broken pile etc. can not occur, obviously is better than vibrator pipe sinking cast-in-place pile.The long-pending concrete artificial and machinery expenses of folk prescription pile body is about about 100 yuan during construction.Single pile allow to carry power for not adopting 1～3 times when of the present invention.Cost is 40% of a preformed pile cost only, is 65% of vibrator pipe sinking cast-in-place pile cost.
Be suitable for the tube-sinking cast-in-situ pile of in various soil layers, constructing.
Claims (4)
1, a kind of equipment of the tube-sinking cast-in-situ pile of constructing, it comprises, small-sized impact type is got earth pile machine, drill bit, concrete casting bucket, immersed tube and hammer ram (7), it is characterized in that described hammer ram (7) constitutes by the weight that can move up and down (2) with native manage (1) of depositing of this weight (2) upper end binding in immersed tube, described weight (2) bottom is the plane, there is the major part (4) of protrusion the following peripheral, and described soil pipe (1) upper end of depositing is opening.
2, a kind of technology that adopts the equipment construction tube-sinking cast-in-situ pile of the described construction tube-sinking cast-in-situ pile of claim 1 comprises the steps:
A, with bit bore to design elevation, drilling diameter is greater than precast pile tip (5) diameter 1～4cm;
B, immersed tube (8) entangle precast pile tip (5) and insert at the bottom of the hole, add an amount of shape constructional materials that looses and make pallet (6);
C, ram pallet (6) with hammer ram (7) and make precast pile tip (5) sink down into bearing stratum;
D, concrete perfusion slowly promote immersed tube (8) simultaneously; Ram concrete with hammer ram (7), become major part (9) at the bottom of making; Concrete perfusion, and by designing reaming apart from promoting immersed tube (8); Carry out rammed concrete with hammer ram (7), make the pile body part become major part (10);
E, lay reinforcing cage (11) by design attitude, concrete perfusion, the back pile vibrates.
3, by the equipment of the described construction tube-sinking cast-in-situ pile of claim 1, it is characterized in that weight (2) top periphery of described hammer ram is evenly equipped with guide pad (3), the height of this guide pad (3) is consistent with the protrusion height of described major part (4).
4, by the technology of the described construction tube-sinking cast-in-situ pile of claim 2, the diffusing shape constructional materials that it is characterized in that being used to doing pallet (6) is mix concrete, cobble, sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111926 CN1103915A (en) | 1993-07-29 | 1993-07-29 | Process and equipment for settling pipe and pouring concrete pile in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111926 CN1103915A (en) | 1993-07-29 | 1993-07-29 | Process and equipment for settling pipe and pouring concrete pile in situ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1103915A true CN1103915A (en) | 1995-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93111926 Pending CN1103915A (en) | 1993-07-29 | 1993-07-29 | Process and equipment for settling pipe and pouring concrete pile in situ |
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|---|---|
| CN (1) | CN1103915A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434597C (en) * | 2006-08-25 | 2008-11-19 | 中机工程勘察设计研究院 | Construction method of immersed tube club-footed bored concrete pile |
| CN100453744C (en) * | 2005-11-17 | 2009-01-21 | 郑雄 | Underwater compact concrete construction method |
| CN100453742C (en) * | 2006-06-30 | 2009-01-21 | 王国奋 | Method for enlarging bottom and pile making of immersed tube and prefabricated steel concrete under-reamed pile |
| CN101161952B (en) * | 2006-06-30 | 2010-09-01 | 王国奋 | Bottom expanding and pile-forming method for pipe sinking prefabricated steel concrete pedestal pile |
| CN104314072A (en) * | 2014-10-28 | 2015-01-28 | 中国化学工程第一岩土工程有限公司 | Construction method of special-shaped cast-in-situ concrete pile |
| CN110872840A (en) * | 2019-12-19 | 2020-03-10 | 长安大学 | Deviation correcting device for immersed tube cast-in-place pile and using method thereof |
| CN115323853A (en) * | 2022-08-04 | 2022-11-11 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Road design roadbed reinforced structure and road design roadbed |
-
1993
- 1993-07-29 CN CN 93111926 patent/CN1103915A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453744C (en) * | 2005-11-17 | 2009-01-21 | 郑雄 | Underwater compact concrete construction method |
| CN100453742C (en) * | 2006-06-30 | 2009-01-21 | 王国奋 | Method for enlarging bottom and pile making of immersed tube and prefabricated steel concrete under-reamed pile |
| CN101161952B (en) * | 2006-06-30 | 2010-09-01 | 王国奋 | Bottom expanding and pile-forming method for pipe sinking prefabricated steel concrete pedestal pile |
| CN100434597C (en) * | 2006-08-25 | 2008-11-19 | 中机工程勘察设计研究院 | Construction method of immersed tube club-footed bored concrete pile |
| CN104314072A (en) * | 2014-10-28 | 2015-01-28 | 中国化学工程第一岩土工程有限公司 | Construction method of special-shaped cast-in-situ concrete pile |
| CN104314072B (en) * | 2014-10-28 | 2016-08-24 | 中国化学工程第一岩土工程有限公司 | A kind of construction method of special-shaped in situ concrete pile |
| CN110872840A (en) * | 2019-12-19 | 2020-03-10 | 长安大学 | Deviation correcting device for immersed tube cast-in-place pile and using method thereof |
| CN115323853A (en) * | 2022-08-04 | 2022-11-11 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Road design roadbed reinforced structure and road design roadbed |
| CN115323853B (en) * | 2022-08-04 | 2024-04-12 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Road design roadbed reinforced structure and road design roadbed |
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