CN106192997A - The pile of static pressure, immersed tube guncreting pile and householder method and device and application - Google Patents
The pile of static pressure, immersed tube guncreting pile and householder method and device and application Download PDFInfo
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- CN106192997A CN106192997A CN201510279383.5A CN201510279383A CN106192997A CN 106192997 A CN106192997 A CN 106192997A CN 201510279383 A CN201510279383 A CN 201510279383A CN 106192997 A CN106192997 A CN 106192997A
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Abstract
The invention provides the pile of static pressure, immersed tube guncreting pile and householder method and device and application；Pile making method includes back-pressure method, pump pressure method, dividing potential drop method and interior platen press；Householder method includes three kinds of firming methods and dodges method, Protection Code；Special purpose device includes the pile pipe that intrusion pipe pile pipe to be opened/closed and supervisor, intrusion pipe can be pressed down, pile pipe has sensor control the pumping of concrete, a kind of Static pressure pile driver having firming function and two kinds of soil pressing devices.These method and devices, available less piling tonnage makes the stake of relatively high-bearing capacity, better ensures that being normally carried out of pile quality and guncreting pile construction.
Description
Technical field
The present invention relates to the pile of static pressure, immersed tube guncreting pile and householder method and device and application, belong to pile foundation construction skill
Art and apparatus field.
Background technology
Following patent all refers to pile making method or the device of pipe sinking pressure grouting stake:
1. " the static pressure pipe pile settling construction technique " of Application No. 200610134101.3, the patent proposes the general of pipe sinking pressure grouting stake
Read, unresolved pile silted problem.
2. " pile-forming apparatus of pipe sinking pressure grouting stake " of Application No. 201120124573.3, the device that this patent provides is the most not
Solve pile silted problem.
3. " pipe sinking expansion pressure grouting pile forming method " of Application No. 201110104220.5, the engineering method that this patent provides uses
High-frequency hydraulic hammer sinks at the bottom of tube drawing, back-pressure extruded and extended pile or pile body, and its problem is:During tube drawing, core pipe has concrete, vibration
The vibration of hammer will result in plugging；Concrete pressure when back-pressure is squeezed is less, can only be squeezed in softer soil layer.
4. " pipe sinking pressure grouting stake overall process construction use combination pile pipe and the user thereof of Application No. 201110394473.0
Method ", sink the working device of pipe guncreting pile in the patent provides, utilize the pressure of pump concrete pile pipe to be ejected,
But the structure of pile pipe base plate may block concrete shaft and cannot realize from pushing up；I.e. enable from top, filling the most very of concrete
Greatly, waste concrete.
5. " sinking the Static pressure pile driver of pipe guncreting pile construction function in increase " of Application No. 201420232082.8, this is special
Profit is to utilize existing Static pressure pile driver to sink pipe guncreting pile in constructing, and has joint bar hole on stake machine platform and short ship.The most special
Profit, if the stake of high-bearing capacity of constructing out, the weight of stake machine and counterweight is very big, and pile pulling power is the biggest.
Restricted by pile pipe size, inside hit in being mainly suitable for, the pipe sinking pressure grouting stake of major diameter；Limited by stake machine and counterweight
System, during static pressure is mainly suitable for, the pipe sinking pressure grouting stake of minor diameter.
Generally, with the place of pile foundation, Site Soil is the most softer, it is difficult to bear the stake machine of static pressure, immersed tube guncreting pile
And the weight of counterweight, particularly do high-bearing capacity stake, the weight of stake machine and counterweight is the biggest, is easy to appearance and falls into during construction
The problems such as machine.Static pressure, immersed tube guncreting pile is bored concrete pile, after a pile guncreting, insertion steel reinforcement cage, and concrete not yet initial set,
Confidential mobile pressure one pile of stake afterwards, during this, long ship, short ship repeatedly lift, fall, if not by soil pressure actual arrival one
Determine degree, by inevitably trampling on or squeeze the bad stake just completed, have a strong impact on construction and the quality of static pressure, immersed tube guncreting pile, very
To leading to the failure.Static pressure, immersed tube guncreting pile typically to jump beat, time interval 2～3 days, stake machine return construct, also will step on or
It is extruded into the stake constructed 2～3 days, if soil is not compacted to a certain degree, can be trampled on equally, even squeeze off.
Summary of the invention
For solving the problems referred to above, the invention provides pile and householder method and the device of static pressure, immersed tube guncreting pile and answer
With；Pile making method includes back-pressure method, pump pressure method, dividing potential drop method and interior platen press；Householder method includes three kinds of firming methods and dodges
Method, Protection Code；Special purpose device includes the pile pipe that intrusion pipe pile pipe to be opened/closed and supervisor, intrusion pipe can be pressed down, in pile pipe
Sensor is had to control the pumping of concrete, a kind of Static pressure pile driver having firming function and two kinds of soil pressing devices.
First special purpose device is introduced, including A type, Type B, c-type pile pipe and the Static pressure pile driver having firming function and A type, Type B pressure
Earthenware.
Type pile pipe, for intrusion pipe pile pipe to be opened/closed, sees accompanying drawing 1, and it preferably comprises as follows:
. supervisor 1 and intrusion pipe 2 are round steel pipe；
. intrusion pipe 2 is in supervisor 1；
. base plate 3 has the circular steel plate of fovea superior under being；On position corresponding with intrusion pipe 2 on base plate 3, have and intrusion pipe 2
The circular hole of uniform internal diameter；
. supervisor 1, intrusion pipe 2 are together with base plate 3 integral solder；
. there are valve 5 and sensor 6 on intrusion pipe 2；
. valve 5 can use oil cylinder 4 opening and closing.
Type pile pipe, can press down and the dividing potential drop oil cylinder pile pipe at top for supervisor and intrusion pipe, see accompanying drawing 2, and it is excellent
Choosing constitutes as follows:
. supervisor 11 and intrusion pipe 12 are heavy wall round steel pipe；
. intrusion pipe 12 is in supervisor 11, and intrusion pipe 12 end opening is higher than supervisor's 11 end openings；
. there is elbow 13 on intrusion pipe 12；Sensor 14 is had on elbow 13；
. connecting on supervisor 11 and have dividing potential drop oil cylinder 15, dividing potential drop oil cylinder 15 can push away down, pull up intrusion pipe 12；
. in the range of elbow about 13 stroke, supervisor 11 has vertical elongated hole 16 at correspondence position.
Type pile pipe, can press down and the dividing potential drop oil cylinder pile pipe in bottom for supervisor and intrusion pipe, see accompanying drawing 3, and it is excellent
Choosing constitutes as follows:
. supervisor 21 and intrusion pipe 22 are round steel pipe；
. intrusion pipe 22 is in supervisor 21, and intrusion pipe 22 end opening is higher than supervisor's 21 end openings, and intrusion pipe has uniform internal diameter heavy wall 22 times
Steel pipe 23, intrusion pipe 22 has sensor 24；
. it is fixed with the dividing potential drop oil cylinder 25 of hollow in being responsible for 21 hypomeres；By thick walled steel tube 23, dividing potential drop oil cylinder 25 can push away down, on
Draw intrusion pipe 22.
Having the Static pressure pile driver of firming function, see accompanying drawing 4, it preferably comprises as follows:
. each long ship 31 is cased with two contact areas pressing plate 33 less than long ship 31；
. each short ship 32 is cased with the contact area pressing plate 34 less than short ship 32；
. pressing plate 33, pressing plate 34 lower surface are less than long ship 31, the lower surface of short ship 32.
Type soil pressing device, sees accompanying drawing 5, and it preferably comprises as follows:
. connect on the pressing plate 41 of rectangle and have two oil cylinders 42；
. oil cylinder 42 upper end is attached in the middle of the girder 43 of Static pressure pile driver or end or the end of spreading；
. oil cylinder 42 can push away down, pull up pressing plate 41.
When oil cylinder is connected to end of main beam, the soil of foundation ditch periphery can be pressed；The purpose of girder spreading is in order to avoid pressing plate
Conflict with long ship or short ship.
5. soil pressing device, sees accompanying drawing 5, and it preferably comprises as follows: connect on circular or rectangle or other shapes of pressing plate 42
There is steel pipe 41.
The householder method of the normal bore forming that ensure static pressure, immersed tube guncreting pile is described below, is compacted including with Static pressure pile driver
Three kinds of methods of Site Soil and the method for dodging of guarantee steel reinforcement cage insertion, Protection Code.
Firming method one, uses the Static pressure pile driver having firming function, sees accompanying drawing 4, and preferred steps is as follows:
. long ship 31 band pressing plate 33, short ship 32 band pressing plate 34 Static pressure pile driver in place after, long ship 31 lands or short ship 32 lands,
Pressing plate 33 or pressing plate 34 are pressed in soil；
. long ship 31 lifts or short ship 32 lifts, and stake machine moves, and short ship 32 lands or long ship 31 lands, pressing plate 34 or pressing plate 33
In press-in soil；
. long ship 31, short ship 32 be staggered to land, lift, having pressed to whole place；
. as required, multipass can be pressed in whole place；
. as required, counterweight can go up machine in batches.
Firming method two, uses Static pressure pile driver, sees accompanying drawing 5, and preferred steps is as follows:
. connection have the Static pressure pile driver of A type soil pressing device move on to first pressure point；
. by 42 times pressure pressing plate 41 to predetermined pressures of oil cylinder；
. pull up pressing plate 41 with oil cylinder 42, after mentioning A type soil pressing device, stake machine is moved on to next pressure point and presses again, to whole field
Till ground has been pressed；
. as required, a pressure point can press multipass.
Firming method three, uses Static pressure pile driver, sees accompanying drawing 5, and preferred steps is as follows:
. Static pressure pile driver is moved on to first pressure point；
. the steel pipe 46 of Type B soil pressing device, lower pressure pressing plate 45 to predetermined pressure is embraced or withstands with stake machine；
. after mentioning Type B soil pressing device, stake machine is moved on to next pressure point and presses again, having pressed to whole place；
. as required, a pressure point can press multipass.
When Site Soil is the softest, can be directly with long and short ship firming, without pressing plate, but at this moment counterweight must go up machine in batches, as
Counterweight is disposably all gone up machine by fruit, certainly will cause the machine that falls into.In like manner can design contact area than the long ship of Static pressure pile driver, short ship
The special static(al) packer that contact area is little, its counterweight also must go up machine in batches.
Dodge method, the method dodging stake position for long ship or the short ship of Static pressure pile driver, preferential use the static pressure having firming function
Stake machine, sees accompanying drawing 4, and its method for optimizing is as follows: after guncreting terminates, stake machine transverse shifting, two pressures on long ship 31
Plate 33 lands, and gets out of the way stake position, and stake machine inserts steel reinforcement cage after conceding stake position completely.
If the pressing plate on short ship is changed into two pieces, along long ship to setting, middle slot milling, equally can also be by keeping away
Method is allowed to avoid stepping on stake.
Protection Code, for method pile crown protecting, allowing captain's ship or stake stepped on by short ship, uses Static pressure pile driver, its
Method for optimizing is as follows: after guncreting terminates, and is pressed into a retaining at pile crown, further according to needs, keeps flat one on concrete
Individual thin plate；Stake captain's ship or short ship insert steel reinforcement cage after trespassing and concede completely stake position.
Retaining and thin plate can use steel plate, the effect of retaining: one is protection pile crown, prevents long ship or short ship from trampling on pile crown, and two
When being steel reinforcement cage insertion, prevent steel reinforcement cage band soil；The effect of thin plate is isolation concrete and long ship or short ship, prevents long ship or short
Earth viscous under ship is mixed in concrete, in soil zone to stake when steel reinforcement cage inserts, causes pile silted.
Finally introduce the pile making method of static pressure, immersed tube guncreting pile, including back-pressure method, pump pressure method, dividing potential drop method and positive pressure method.
Back-pressure method, can use the Static pressure pile driver of firming function, sees accompanying drawing 1, accompanying drawing 4,5, and its preferred pile making method is such as
Under:
. Static pressure pile driver moves to stake point, can use firming method to be compacted by the Site Soil of stake machine process simultaneously；
. after stake machine puts in place, as required, available A type pile pipe is positioned at a point by one, diameter is pressed into more than the casing of pile pipe
In soil；
. pile pipe is put on the precast pile tip of stake point position, with stake machine, pile pipe is pressed onto predetermined pressure；
. after certain altitude being pushed up in pile pipe by intrusion pipe 2 pump concrete or mortar or cement mortar, close with oil cylinder 4 and fill
Valve 5 on note pipe 2；
. the outer bulging of back-pressure pile pipe, the concrete pumped into or mortar or cement mortar becomes enlarged footing；
. open valve 5 with oil cylinder 4, pile jacking pipe on the pump concrete that continues；
. during pumping, monitor pumping pressure or concrete liquid level with sensor 6；If pumping pressure is excessive or concrete liquid level
Too low, available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, or employing is dodged method and removed a machine or by Protection Code by pile crown
Removing a machine after protecting, insert steel reinforcement cage, pile terminates；
. stake machine moves on to next stake point, and in moving process, Site Soil is compacted by available firming method.
During practice of construction, can as required, repeatedly back-pressure pile pipe.
If site condition allows, it is possible to use general Static pressure pile driver.
Pump pressure method, can use Static pressure pile driver and existing pile pipe, and its preferred pile making method is as follows:
. pile pipe is pressed on the backing plate being positioned at stake point, with stake machine, pile pipe is depressed into predetermined pressure；
. by pile jacking pipe on intrusion pipe pump concrete to predetermined altitude；
. clamp or withstand pile pipe with stake machine, continue pump concrete, formed with pumping pressure outer swollen bottom concrete and expand
Head；
. unclamp pile pipe, continue pile jacking pipe on pump concrete；
. during pumping, by sensor monitoring pumping pressure or concrete liquid level；If pumping pressure is excessive or concrete liquid level
Too low, available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, or employing is dodged method and removed a machine or by Protection Code by pile crown
Removing a machine after protecting, insert steel reinforcement cage, pile terminates.
The pile pipe of pump pressure method is simpler than the pile pipe of back-pressure method, and intrusion pipe need not opening and closing.
If site condition does not allows, it is possible to use there is the Static pressure pile driver of firming function.
12. dividing potential drop methods, can use the Static pressure pile driver of firming function, see accompanying drawing 2 or 3, accompanying drawing 4,5, its preferred pile
Method is as follows:
Interior platen press, can use the Static pressure pile driver of firming function and Type B or c-type pile pipe, see accompanying drawing 2 or 3, and it preferably becomes
Piling method is as follows:
. Static pressure pile driver moves to stake point, can use firming method to be compacted by the Site Soil of stake machine process simultaneously；
. after stake machine puts in place, as required, available Type B or c-type pile pipe are positioned at a point, diameter more than the casing of pile pipe by one
In press-in soil；
. dig pit on stake point, in hole, be allowed to dry rigid concrete；
. intrusion pipe 12 or intrusion pipe 22 are put into prefabricated less than supervisor 11 or supervisor's 21 internal diameters of on stake point position, external diameter
In pile top, with stake machine, pile pipe entirety is depressed into predetermined pressure；
. with dividing potential drop oil cylinder 15 or 25 times pressure intrusion pipes 12 of dividing potential drop oil cylinder or intrusion pipe 22, dry concrete is depressed into master
Pipe 11 or supervisor less than 21 outer bulging become enlarged footing；
. by pile jacking pipe on intrusion pipe 12 or intrusion pipe 22 pump concrete；
. during pumping, monitor pumping pressure or concrete liquid level with sensor 14 or sensor 24；If pumping pressure is excessive
Or concrete liquid level is too low, available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, or employing is dodged method and removed a machine or by Protection Code by pile crown
Removing a machine after protecting, insert steel reinforcement cage, pile terminates；
. stake machine moves on to next stake point, and in moving process, Site Soil is compacted by available firming method.
Casing can be selected a good opportunity to regain and be used.
Obviously, the pile pipe of existing pipe sinking pressure grouting stake can also install sensor；Concrete pumping is controlled with sensor
Method, and press the method for casing it can also be used to the construction of existing pipe sinking pressure grouting stake in stake；On below A type pile pipe base plate
Recessed way, can be used for the pile pipe of existing pipe sinking pressure grouting stake.
Back-pressure method, pump pressure method can more simply be applied to be formed during static-pressure precast hollow pile the construction of enlarged footing, concrete
Can directly to hollow inner pumping or irrigate by other method；Available round plate suitable for reading is closed, and prevents concrete from emerging.Consider
To the needs above pulled out, the end plate of Prefabricated hollow pile is greater than a footpath, stake is blocked with clip to facilitate, send with stake or Pile feeder
Stake, pile pulling.
Beneficial effect
Above-mentioned pile making method and special purpose device thereof, can reduce Static pressure pile driver counterweight, reduce to the requirement of Site Soil, reduce trample on,
Squeeze the risk of bad stake.
Under A type pile pipe base plate, indent can strengthen by the top power of pile jacking pipe on concrete pump, reduces tube drawing power；Its construction solution
Determine No. 201110394473.0 susceptible to plugging problems of patent concrete shaft；But can not be with being similar to after indent
The flexible backing plate that No. 201110394473.0 patents provide, rigidity precast pile tip to be used.
Back-pressure method, pump pressure method solve the problem of No. 201110104220.5 patents, and counter-pressure or pump pressure are greatly, do not shake
Move and noise, enlarged footing can be formed in harder soil layer.
The purpose of dividing potential drop method is to reduce the counterweight of Static pressure pile driver.
Pile pipe is installed sensor, can convenient construction, the pile quality of raising pipe sinking pressure grouting stake.
The method that stake presses casing, can preferably solve stake and be trampled on, squeeze bad problem, it is ensured that pipe sinking pressure grouting pile driving construction
Quality.
Firming method can give full play to the advantage that weight is big, firming ability is strong of Static pressure pile driver, can simply and effectively be compacted field
Ground soil, makes Site Soil meet the needs of pipe sinking pressure grouting pile driving construction, fundamentally solves because of the stake machine of static pressure, immersed tube guncreting pile and joins
Bad serious problems are trampled on or are squeezed in sunken machine, stake that the gross weight of weight causes greatly, it is ensured that it is normal that static pressure, immersed tube guncreting pile is constructed
Carry out and pile quality.
Dodge method and Protection Code can solve stake machine walking before steel reinforcement cage inserts and trample on stake, causes steel reinforcement cage insertion to bring
Quality problems.
Accompanying drawing explanation
Accompanying drawing 1～3 is respectively A type, Type B, c-type pile pipe schematic diagram, and wherein: (a) is vertical section schematic diagram, (b) is cross-sectional
Face schematic diagram；Accompanying drawing 4 is the long ship of band pressing plate, short ship schematic diagram, and wherein: (a) is floor map, (b) is vertical section signal
Figure；Accompanying drawing 5 is soil pressing device schematic diagram, wherein: (a) is floor map, and (b) is vertical section schematic diagram.
Detailed description of the invention
Embodiment one: back-pressure method construction static pressure, immersed tube guncreting pile.
Site Soil top-down soil layer situation: about 1m thickness miscellaneous fill, the thick soft-plastic state silty clay of moulding of about 5m, about
2m thickness completely decomposed mud stone, about 3m thickness intense weathering munstone, is below middle weathered mudstone.
Stake footpath 600mm, the long 10m of stake, C60 self-compacting concrete, enlarged footing in intense weathering munstone, ultimate bearing capacity 1100
Ton.
There is the contracting static-pressure piling machine of firming function by 1000 types, after adding 750 tons of counterweights, 900 tons can be pressed onto.Stake captain's ship
31 contact area 33m2, its pressing plate 33 contact area 16.5m2；Short ship 32 contact area 26m2, its pressing plate 34 contact area 13m2。
By A type pile pipe, supervisor 1 is 610*30 seamless steel pipe, and intrusion pipe 2 is 133*8 seamless steel pipe, base plate 3 diameter
620mm, thick 200mm, indent diameter 410mm, deep 100mm.
Construction procedure is as follows:
1. a machine moves on on stake point, is compacted by the Site Soil of stake machine process by firming method one simultaneously；
2. A type pile pipe is depressed into 2m in intense weathering munstone；
3., after by pile jacking pipe 1.5m on intrusion pipe 2 pump concrete, close valve 5 with oil cylinder 4；
3. back-pressure pile pipe 0.5m, the outer bulging of the concrete pumped into becomes diameter about 720mm, the enlarged footing of high about 1m；
4. open valve 5 with oil cylinder 4, pile jacking pipe on the pump concrete that continues；
5., after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, terminate.
After testing, the ultimate bearing capacity of stake is 1200 tons, meets requirement.
Embodiment two: dividing potential drop method construction static pressure, immersed tube guncreting pile.
Site Soil is with embodiment one.
Stake footpath 600mm, the long 12m of stake, C60 self-compacting concrete, supporting course is middle weathered mudstone, ultimate bearing capacity 1100
Ton.
With 1000 type contracting static-pressure piling machines, being pressed onto 800 tons after adding 650 tons of counterweights, the data of long and short ship and pressing plate thereof are same
Embodiment one.
Using Type B pile pipe, supervisor 21 is 610*70 seamless steel pipe, and intrusion pipe 22 is 133*8 seamless steel pipe, steel pipe 23 external diameter
460mm, high 200mm.
Construction procedure is as follows:
1. Static pressure pile driver moves on on stake point, is compacted by the Site Soil of stake machine process by firming method two simultaneously；
2. c-type pile pipe is depressed into 1m in middle weathered mudstone；
3. with Static pressure pile driver and dividing potential drop oil cylinder 25 pressure supervisor 21 and intrusion pipe 22 down, to the pressure down of supervisor 21 with intrusion pipe 22
Power sum is 1400 tons；
4. by pile jacking pipe on intrusion pipe 2 pump concrete；At the upper top initial stage, the concrete pressure of sensor 24 display reaches 8MPa
Time, pile pipe do not moves, and with being used after a machine coordinates upper pile pulling pipe about 1m, only with pile jacking pipe on pump concrete, sensor 24 shows
Concrete pressure less than 5MPa；
5., after pile pipe goes out ground, use method of dodging to insert steel reinforcement cage after removing a machine, terminate.
After testing, the ultimate bearing capacity of stake is 1150 tons, meets requirement.
Embodiment three: back-pressure method is for the construction of static-pressure precast hollow pile field expansion head.
Site Soil situation is with embodiment one.
Prefabricated concrete-filled steel tube hollow pile, stake footpath 600mm, wall thickness 110mm, the long 9m of stake, hollow interior C60 self-compaction coagulation
Soil, enlarged footing in intense weathering munstone, ultimate bearing capacity 1100 tons；Stake upper and lower side board diameter is more than diameter of steel tube 20mm.
With 1000 type contracting static-pressure piling machines, after adding 750 tons of counterweights, 900 tons can be pressed onto.
Construction procedure is as follows:
1. hollow pile is pressed on the precast pile tip being positioned at stake point, after this stake being depressed into epimere 2m above ground level with stake machine, will
Another root hollow pile or Pile feeder are placed in this stake, upper pile or Pile feeder are blocked with this stake with clip, press down this stake
2m to intense weathering munstone, pile driving pressure at this moment is 850 tons, send deeply for 1m；
2. with pulling out this 1.5m on pile or Pile feeder, simultaneously by full for this hollow pump concrete；
3. open clip, this puts one piece of diameter and is not more than the round plate of end plate；
4., with pile or this 0.5m of Pile feeder back-pressure, concrete outer bulging in its underpart becomes diameter about 720mm, the expansion of high about 1m
Major part, terminates.
After testing, the ultimate bearing capacity of stake is 1150 tons, meets requirement.
Claims (7)
1. the device that the pile making method of static pressure, immersed tube guncreting pile and householder method use, including A type, Type B, c-type pile pipe with there is pressure
The Static pressure pile driver of soil function and A type, Type B soil pressing device；
1.1 A type pile pipes, for intrusion pipe pile pipe to be opened/closed, it preferably comprises as follows:
. supervisor (1) and intrusion pipe (2) are round steel pipe；
. intrusion pipe (2) is in supervisor (1)；
. base plate (3) has the circular steel plate of fovea superior under being；On the upper position corresponding with intrusion pipe (2) of base plate (3), have and fill
The circular hole of note pipe (2) uniform internal diameter；
. supervisor (1), intrusion pipe (2) are together with base plate (3) integral solder；
. there are valve (5) and sensor (6) on intrusion pipe (2)；
. valve (5) can use oil cylinder (4) opening and closing；
1.2 Type B pile pipes, for supervisor and intrusion pipe can press down and the dividing potential drop oil cylinder pile pipe at top, its preferably comprise as
Under:
. supervisor (11) and intrusion pipe (12) are heavy wall round steel pipe；
. intrusion pipe (12) is in supervisor (11), and intrusion pipe (12) end opening is on supervisor's (11) end opening；
. there is elbow (13) on intrusion pipe (12)；Sensor (14) is had on elbow (13)；
. the upper connection of supervisor (11) has dividing potential drop oil cylinder (15), dividing potential drop oil cylinder (15) can push away down, pull up intrusion pipe (12)；
. in the range of elbow (13) up and down stroke, supervisor (11) has vertical elongated hole (16) at correspondence position；
C-type pile pipe, can press down and the dividing potential drop oil cylinder pile pipe in bottom for supervisor and intrusion pipe, and it preferably comprises as follows:
. supervisor (21) and intrusion pipe (22) are round steel pipe；
. intrusion pipe (22) is in supervisor (21), and intrusion pipe (22) end opening is on supervisor's (21) end opening, and intrusion pipe has under (22)
Internal diameter thick walled steel tube (23), intrusion pipe (22) has sensor (24)；
. it is fixed with the dividing potential drop oil cylinder (25) of hollow in supervisor's (21) hypomere；By thick walled steel tube (23), dividing potential drop oil cylinder (25) can
Under push away, pull up intrusion pipe (22)；Having the Static pressure pile driver of firming function, it preferably comprises as follows:
. each long ship (31) is cased with two contact areas pressing plate (33) less than long ship (31)；
. each short ship (32) is cased with the contact area pressing plate (34) less than short ship (32)；
. pressing plate (33), pressing plate (34) lower surface are less than long ship (31), the lower surface of short ship (32)；
A type soil pressing device, it preferably comprises as follows:
. the upper connection of the pressing plate (41) of rectangle has two oil cylinders (42)；
. oil cylinder (42) is attached in the middle of the girder (43) of Static pressure pile driver or end or the end of spreading；
. oil cylinder (42) can push away down, pull up pressing plate (41)；
Type B soil pressing device, it preferably comprises as follows: circular or rectangle or the upper connection of other shapes of pressing plate (43) have steel pipe (44).
2. ensure the householder method of normal bore forming of static pressure, immersed tube guncreting pile, including three kinds of firming methods with dodge method, guarantor
Defend the doctrine；
2.1 firming methods one, use the Static pressure pile driver having firming function, and preferred steps is as follows:
. long ship (31) band pressing plate (33), short ship (32) band pressing plate (34) Static pressure pile driver in place after, long ship (31) lands or short
Ship (32) lands, in pressing plate (33) or pressing plate (34) press-in soil；
. long ship (31) lifts or short ship (32) lifts, and stake machine moves, and short ship (32) lands or long ship (31) lands, pressing plate
(34) or pressing plate (33) press-in soil in；
. long ship (31), short ship (32) be staggered to land, lift, having pressed to whole place；
. as required, multipass can be pressed in whole place；
. as required, counterweight can go up machine in batches；
2.2 firming methods two, use Static pressure pile driver, and preferred steps is as follows:
. connection have the Static pressure pile driver of A type soil pressing device move on to first pressure point；
. with oil cylinder (42) pressing plate (41) down to predetermined pressure；
. with oil cylinder (42) pull-up pressing plate (41), after mentioning A type soil pressing device, stake machine is moved on to next pressure point and presses again, to whole
Till place has been pressed；
. as required, a pressure point can press multipass；
2.3 firming methods three, use Static pressure pile driver, and preferred steps is as follows:
. Static pressure pile driver is moved on to first pressure point；
. embrace or withstand the steel pipe (46) of Type B soil pressing device with stake machine, pressing plate (45) is to predetermined pressure down；
. after mentioning Type B soil pressing device, stake machine is moved on to next pressure point and presses again, having pressed to whole place；
. as required, a pressure point can press multipass；
2.4 dodge method, the method dodging stake position for long ship or the short ship of Static pressure pile driver, preferential use the static pressure having firming function
Stake machine, its method for optimizing is as follows: after guncreting terminates, stake machine transverse shifting, and two pressing plates (33) on long ship (31)
Ground, gets out of the way stake position, and stake machine inserts steel reinforcement cage after conceding stake position completely；
2.5 Protection Codes, for method pile crown protecting, allowing captain's ship or stake stepped on by short ship, use Static pressure pile driver, its
Method for optimizing is as follows: after guncreting terminates, and is pressed into a retaining at pile crown, further according to needs, keeps flat one on concrete
Individual thin plate；Stake captain's ship or short ship insert steel reinforcement cage after trespassing and concede completely stake position.
3. the pile making method of static pressure, immersed tube guncreting pile, including back-pressure method, pump pressure method, dividing potential drop method and interior platen press；
3.1 back-pressure methods, can use the Static pressure pile driver of firming function, and its preferred pile making method is as follows:
. stake machine moves to stake point, can use firming method to be compacted by the Site Soil of stake machine process simultaneously；
. after stake machine puts in place, as required, available A type pile pipe is positioned at a point by one, diameter is pressed into soil more than the casing of pile pipe
In；
. pile pipe is put on the precast pile tip of stake point position, pile pipe is pressed onto predetermined pressure；
. after certain altitude being pushed up in pile pipe by intrusion pipe (2) pump concrete or mortar or cement mortar, close with oil cylinder (4)
Close the valve (5) on intrusion pipe (2)；
. the outer bulging of back-pressure pile pipe, the concrete pumped into or mortar or cement mortar becomes enlarged footing；
. open valve (5) with oil cylinder (4), pile jacking pipe on the pump concrete that continues；
. during pumping, monitor pumping pressure or concrete liquid level with sensor (6)；If pumping pressure is excessive or concrete liquid
Position is too low, and available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, or use method of dodging move a machine or protected by pile crown by Protection Code
Removing a machine after protecting, insert steel reinforcement cage, pile terminates；
. stake machine moves on to next stake point, and in moving process, the Site Soil of stake machine process is compacted by available firming method；
3.2 pump pressure methods, can use Static pressure pile driver and existing pile pipe, and its preferred pile making method is as follows:
. pile pipe is pressed on the backing plate being positioned at stake point, with stake machine, pile pipe is depressed into predetermined pressure；
. by pile jacking pipe on intrusion pipe pump concrete to predetermined altitude；
. clamp or withstand pile pipe with stake machine, continue pump concrete, formed with pumping pressure outer swollen bottom concrete and expand
Head；
. unclamp pile pipe, continue pile jacking pipe on pump concrete；
. during pumping, by sensor monitoring pumping pressure or concrete liquid level；If pumping pressure is excessive or concrete liquid level mistake
Low, available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, or use method of dodging move a machine or protected by pile crown by Protection Code
Removing a machine after protecting, insert steel reinforcement cage, pile terminates；
3.3 dividing potential drop methods, can use the Static pressure pile driver of firming function, and its preferred pile making method is as follows:
. stake machine moves to stake point, can use firming method to be compacted by the Site Soil of stake machine process simultaneously；
. after stake machine puts in place, as required, available Type B or c-type pile pipe are positioned at a point, diameter more than the casing of pile pipe by one
In press-in soil；
. intrusion pipe (12) or intrusion pipe (22) are put into cylinder on stake point position, that external diameter is less than supervisor's (11) internal diameter
On precast pile tip, with stake machine, pile pipe entirety is depressed into predetermined pressure；
. press supervisor (11) or supervisor (21) and intrusion pipe with stake machine and dividing potential drop oil cylinder (15) or dividing potential drop oil cylinder (25) under replacing
Or intrusion pipe (22) is to predeterminated target (12)；
. by pile jacking pipe on intrusion pipe (12) or intrusion pipe (22) pump concrete；
. during pumping, monitor pumping pressure or concrete liquid level with sensor (14) or sensor (24)；If pumping pressure mistake
Big or concrete liquid level is too low, available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole；Or use method of dodging move a machine or protected by pile crown by Protection Code
Removing a machine after protecting, insert steel reinforcement cage, pile terminates；
. stake machine moves on to next stake point, and in moving process, the Site Soil of stake machine process is compacted by available firming method；
Platen press in 3.4, can use the Static pressure pile driver of firming function and Type B or c-type pile pipe, and its preferred pile making method is as follows:
. Static pressure pile driver moves to stake point, can use firming method to be compacted by the Site Soil of stake machine process simultaneously；
. after stake machine puts in place, as required, available Type B or c-type pile pipe are positioned at a point, diameter more than the casing of pile pipe by one
In press-in soil；
. dig pit on stake point, in hole, be allowed to dry rigid concrete；
. intrusion pipe (12) or intrusion pipe (22) are put on stake point position, external diameter less than in supervisor (11) or supervisor (21)
On the precast pile tip in footpath, with stake machine, pile pipe entirety is depressed into predetermined pressure；
. press down intrusion pipe (12) or intrusion pipe (22) with dividing potential drop oil cylinder (15) or dividing potential drop oil cylinder (25), by dry concrete
Being depressed into supervisor (11) or supervisor, (21) below and outer bulging becomes enlarged footing；
. by pile jacking pipe on intrusion pipe (12) or intrusion pipe (22) pump concrete；
. during pumping, monitor pumping pressure or concrete liquid level with sensor (14) or sensor (24)；If pumping pressure mistake
Big or concrete liquid level is too low, available stake machine coordinates upper pile pulling pipe or strengthens pump output；
. after pile pipe goes out ground, insert steel reinforcement cage from joint bar hole, or use method of dodging remove a machine or protected by pile crown by Protection Code
Removing a machine after protecting, insert steel reinforcement cage, pile terminates；
. stake machine moves on to next stake point, and in moving process, Site Soil is compacted by available firming method.
4. the way of fovea superior below the sensor in pile pipe as claimed in claim 1 and A type pile pipe base plate, it is existing heavy to can be used for
The pile pipe of pipe guncreting pile.
5. firming method one as claimed in claim 2, when Site Soil is the softest, can directly use the long and short ship firming of Static pressure pile driver,
Counterweight goes up machine in batches.
Dodge the most as claimed in claim 2 and method, Protection Code or the pile making method described in claim 3 press casing in stake
Method and with sensor control concrete pumping method, can be used for the construction of existing pipe sinking pressure grouting stake.
7. the back-pressure method in pile making method as claimed in claim 3 and pump pressure method, can be used for being formed during static-pressure precast hollow pile
The construction of enlarged footing, the end plate diameter of the Prefabricated hollow pile of use is more than pile body diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279383.5A CN106192997A (en) | 2015-05-28 | 2015-05-28 | The pile of static pressure, immersed tube guncreting pile and householder method and device and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279383.5A CN106192997A (en) | 2015-05-28 | 2015-05-28 | The pile of static pressure, immersed tube guncreting pile and householder method and device and application |
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| Publication Number | Publication Date |
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| CN106192997A true CN106192997A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510279383.5A Pending CN106192997A (en) | 2015-05-28 | 2015-05-28 | The pile of static pressure, immersed tube guncreting pile and householder method and device and application |
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| CN (1) | CN106192997A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258571A (en) * | 2019-07-03 | 2019-09-20 | 深圳建中路桥工程有限公司 | A kind of bored concrete pile pipe sinking pressure grouting construction method |
| CN110630291A (en) * | 2019-09-30 | 2019-12-31 | 中交天和机械设备制造有限公司 | Grouting device with opening, closing and pressing functions |
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| CN102286970A (en) * | 2011-06-24 | 2011-12-21 | 毕建东 | Whole process construction method of driven cast-in-place piles and special device for same |
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| CN203684224U (en) * | 2014-01-22 | 2014-07-02 | 任丘市永基建筑安装工程有限公司 | Static pile press machine capable of traveling |
| CN203741812U (en) * | 2014-03-20 | 2014-07-30 | 黄辉 | Construction rammer compactor |
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| GB541509A (en) * | 1941-05-07 | 1941-11-28 | Johan Fredrik Hagrup | A method and an equipment for the making of piles of concrete or other mouldable mass in the ground |
| FR2657906A1 (en) * | 1990-02-06 | 1991-08-09 | Morillon Corvol Courbot | METHOD OF MAKING MOLDED PILES IN THE SOIL, MOLDED PIGS SO OBTAINED AND IMPRESSION TUBE USED TO IMPLEMENT THIS METHOD. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110258571A (en) * | 2019-07-03 | 2019-09-20 | 深圳建中路桥工程有限公司 | A kind of bored concrete pile pipe sinking pressure grouting construction method |
| CN110630291A (en) * | 2019-09-30 | 2019-12-31 | 中交天和机械设备制造有限公司 | Grouting device with opening, closing and pressing functions |
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Application publication date: 20161207 |