CN115387325A - Construction method for trapped cutting box body of pile machine in TRD (Top entry recovery rig) pulling construction method - Google Patents
Construction method for trapped cutting box body of pile machine in TRD (Top entry recovery rig) pulling construction method Download PDFInfo
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- CN115387325A CN115387325A CN202210644724.4A CN202210644724A CN115387325A CN 115387325 A CN115387325 A CN 115387325A CN 202210644724 A CN202210644724 A CN 202210644724A CN 115387325 A CN115387325 A CN 115387325A
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- 238000010276 construction Methods 0.000 title claims abstract description 75
- 238000011084 recovery Methods 0.000 title claims description 6
- 239000002689 soil Substances 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 141
- 239000010959 steel Substances 0.000 claims description 141
- 238000000034 method Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 9
- 229910000278 bentonite Inorganic materials 0.000 claims description 8
- 239000000440 bentonite Substances 0.000 claims description 8
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 24
- 239000004568 cement Substances 0.000 description 13
- 239000000178 monomer Substances 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
Abstract
The invention discloses a construction method for pulling up a cut box of a pile machine in a TRD construction method, and aims to provide a construction method which can effectively improve the pulling up and removing difficulty capability of the cut box of the pile machine in the TRD construction method and pull up the cut box of the pile machine in the TRD construction method. The construction method adopts a top support and a pulling device for construction, and sequentially comprises the following steps of A, preliminarily separating and cutting soil around a box body, and spraying bentonite-doped slurry to the soil around the cut box body from bottom to top by adopting a high-pressure rotary spraying pile machine; b, mounting a top bracing support, and fixing the top bracing support on the top of the cutting box body through bolts; installing a vibration hammer, and fixedly installing the vibration hammer on the top support bracket; installing a lifting device, laying a roadbed box on the ground surface, arranging an underframe on the roadbed box, penetrating the upper end of a cutting box body through the underframe and a top frame, and positioning a jacking oil cylinder between the underframe and the top frame; and C, jacking and cutting the box body.
Description
Technical Field
The invention relates to a construction method of a TRD (blast furnace direct reduction) method pile machine during buried drilling, in particular to a construction method for pulling out a trapped cutting box of the TRD method pile machine.
Background
The TRD method is a construction method which can form an underground cement-soil continuous wall with equal thickness by in-situ stirring. In the construction process, the cutting box body is all underground, and because of reasons such as the wall of a groove soil body collapses, construction machinery faults and improper construction operation, the cutting box body is adsorbed, clamped and stuck by the collapsed soil body, so that the lifting oil cylinder of the equipment can not achieve the capacity of pulling and escaping. At present, the common method is that an external hydraulic oil cylinder is additionally arranged on one side of a cutting box body, but the jacking force is still limited, and the jacking force of the external hydraulic oil cylinder is eccentric force on one side of the cutting box body, so that the trapped cutting box body is often difficult to jack up, the fishing failure of the cutting box body is caused, and huge economic losses of engineering and equipment are caused.
Disclosure of Invention
The invention aims to provide a construction method for pulling up a trapped cutting box of a TRD (Top-pulling and bottom-pulling) method pile machine, which can effectively improve the pulling up and releasing capacity of the cutting box of the TRD method pile machine and pull up the trapped cutting box of the TRD method pile machine.
The technical scheme of the invention is as follows:
a construction method for cutting a box body trapped by a pile machine in a TRD (Top-pulling and Top-pulling) method is characterized in that a top support bracket and a pulling device are adopted for construction, the pulling device comprises an underframe, a top frame and a lifting oil cylinder positioned between the underframe and the top frame, the construction method for cutting the box body trapped by the pile machine in the TRD method sequentially comprises the following steps,
a, preliminarily separating soil around a cutting box body, and spraying bentonite-doped slurry to the soil around the cutting box body from bottom to top by adopting a high-pressure jet grouting pile machine to preliminarily separate the cutting box body from the soil around the cutting box body;
b, installing a top bracing support, and fixing the top bracing support on the top of the cutting box body through bolts by the top bracing support;
installing a vibration hammer, and fixedly installing the vibration hammer on the top support bracket;
installing a lifting device, laying a roadbed box on the ground surface, arranging a bottom frame on the roadbed box, arranging a top frame between a top support bracket and the bottom frame, penetrating the bottom frame and the top frame at the upper end of a cutting box body, and arranging a lifting oil cylinder between the bottom frame and the top frame;
c, jacking the cutting box body, (1) starting the vibration cutting box body by a vibration hammer; (2) And the jacking oil cylinder jacks the cutting box body, jacks the top frame and supports the top support bracket, and then jacks the cutting box body through the top frame and the top support bracket.
In the construction method of the scheme, firstly, in the step A, mud doped with bentonite is sprayed on the soil around the cutting box body by using a high-pressure jet grouting pile machine, so that the cutting box body and the soil around the cutting box body are preliminarily separated, and the pull-out resistance of the trapped cutting box body is effectively reduced; therefore, under the condition of the same jacking force, the pulling-up and pulling-out trapping capacity of the cutting box body of the TRD construction method pile machine can be effectively improved, and the trapped cutting box body of the TRD construction method pile machine can be pulled up; and then, the pulling resistance of the trapped cutting box body is further reduced through the vibration of the vibration hammer, and then the cutting box body is jacked up through the jacking oil cylinder, so that the pulling resistance of the trapped cutting box body is effectively reduced, and the trapped cutting box body of the TRD (blast furnace roof panel) construction method pile machine is pulled up.
Preferably, in the step (2), the maximum jacking force exerted on the cutting box body by the jacking cylinder through the top frame and the jacking bracket is N tons.
Preferably, (2) after the jacking oil cylinder exerts the jacking force on the cutting box body through the top frame and the jacking bracket to reach N tons, the jacking oil cylinder keeps the jacking force of the N tons for t minutes, and if the jacking oil cylinder does not jack up the cutting box body in the period; and (4) returning to the step (1) until the cutting box body is jacked up by the jacking oil cylinder. So, through the vibration of (1) step and the jacking circulation cooperation of (2) step, be favorable to pulling up the cutting box of stranded TRD worker method stake machine on the one hand, on the other hand, avoid exerting on the cutting box for a long time too big jacking force, and lead to cutting the connecting bolt fracture of box.
Preferably, the step A further comprises replacing the cutting box body with slurry, and injecting the slurry into the internal liquid conveying channel of the cutting box body to dilute or empty the cement soil slurry inside the cutting box body and around the cutting box body so as to prevent the cement soil slurry from being solidified into a whole with the cutting box body. Therefore, before the cutting box body is pulled out, pulling-out resistance of the trapped cutting box body is further reduced, and pulling-out and trapping-removing capacity of the cutting box body of the TRD construction method is improved.
Preferably, the slurry liquid is a slurry liquid incorporating not less than 5% bentonite content. The bentonite slurry has the function of lubricating a contact interface between the cutting box and a soil body, so that the inside of the cutting box and the cement soil slurry around the cutting box can be emptied, and the cement slurry and the cutting box are prevented from being solidified into a whole.
Preferably, the number of the jacking cylinders is at least two, and the jacking cylinders are distributed on two opposite sides of the cutting box body.
Preferably, the step A and the step B also comprise a step A1, wherein the concrete construction of the step A1 is that a steel wire rope laying device is adopted to lay steel wire ropes underground, the steel wire rope laying device comprises steel wire ropes, limiting steel pipes and two guiding steel pipes, the lower ends of the limiting steel pipes are provided with steel wire rope limiting grooves, the steel wire ropes sequentially penetrate through the two guiding steel pipes, and two ends of each steel wire rope are provided with hanging rings; the concrete steps of using the steel wire rope laying device to lay the steel wire rope underground comprise,
firstly, a limiting steel pipe and two guiding steel pipes are vertically distributed, the two guiding steel pipes are distributed on the front side and the rear side of a cutting box body, the limiting steel pipes are distributed on the left side or the right side of the cutting box body, and a steel wire rope penetrates through a steel wire rope limiting groove;
secondly, inserting the two guide steel pipes and the limiting steel pipe downwards into the soil layer until the lower ends of the two guide steel pipes and the lower end of the limiting steel pipe are located at a set distance below a cutting box body of the TRD (Top Transit steering) construction method pile machine; in the process, the steel wire rope always penetrates through the two guide steel pipes, the steel wire rope penetrates through the steel wire rope limiting groove, and two ends of the steel wire rope are positioned above the ground surface;
then, pulling up two ends of the steel wire rope above the ground surface until the whole steel wire rope is in a stretched state; then, pulling the limiting steel pipe upwards to separate the steel wire rope from the steel wire rope limiting groove;
then, continuously pulling up the two ends of the steel wire rope above the ground surface until the whole steel wire rope is in a stretched state, and at the moment, the steel wire rope between the lower ends of the two guide steel pipes is located below a cutting box body of the TRD (Top-recovery steering device) construction method pile machine;
(2) The method comprises the following steps that a crane and a steel wire rope lifting and cutting box body are arranged on the base, the crane and the steel wire rope lifting and cutting box body are synchronously lifted by a jacking oil cylinder, the crane and the steel wire rope lifting and cutting box body are specifically arranged on the base, the lifting rings at two ends of the steel wire rope are hung on lifting hooks of the crane, and the crane lifts the lower end of the cutting box body upwards through the steel wire rope.
In the operating mode that the cutting box body was buried, can appear because of burying the brill clamping-force too big, surpass the biggest pulling force that the bolt that is used for connecting two adjacent cutting box monomers can bear in the cutting box body, cause the bolt fracture between being used for connecting certain two cutting box monomers, and lead to the cutting box body of part or most to be unable to be pulled out, make the huge economic loss of engineering and equipment. The pulling-up method of the present invention is to solve the problem, and refer to the following specific embodiments.
Preferably, the pulling device further comprises a vertically distributed telescopic column, the lower end of the telescopic column is connected with the bottom frame, and the upper end of the telescopic column is connected with the top frame.
Preferably, the top bracing bracket is a cross beam distributed in a cross shape.
Preferably, the vibration hammer is a high-frequency vibration hammer, and the vibration hammer is fixedly installed on the top bracing support through bolts.
The invention has the beneficial effects that: the pulling-out and escaping capacity of the cutting box body of the TRD construction method pile machine can be effectively improved, and the cutting box body of the trapped TRD construction method pile machine can be pulled out.
Drawings
Fig. 1 is a schematic partial structure diagram of a construction method for cutting a box body by a pile driver in a TRD lifting method according to a first embodiment of the present invention during a construction process.
Fig. 2 is a front view of the extraction device of the present invention.
Fig. 3 is a schematic three-dimensional structure of the extraction device of the present invention.
Fig. 4 is a schematic partial structure diagram of a construction method for cutting a box body by a pile driver in a TRD lifting method according to a second embodiment of the present invention during a construction process.
Fig. 5 is a schematic view of a partial cross-sectional structure at a-a in fig. 4.
In the figure:
the device comprises a pulling device 1, a bottom frame 1.1, a top frame 1.2, a jacking oil cylinder 1.3 and a telescopic column 1.4;
a shoring support 2;
a vibratory hammer 3;
a roadbed box 4;
cutting the box body 5;
6.1 guide steel pipes, 6.2 limiting steel pipes and 6.3 steel wire ropes.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the first embodiment is as follows: as shown in fig. 1, 2 and 3, a construction method for cutting a box body trapped in a pile machine by a TRD construction method is characterized in that a top support bracket 2 and a pulling device 1 are adopted for construction, and the pulling device comprises an underframe 1.1, a top frame 1.2 and a lifting oil cylinder 1.3 positioned between the underframe and the top frame. The number of jacking cylinders is at least two, for example two or four or six. In this embodiment, the number of the jacking cylinders is four.
The construction method for cutting the box body of the pile machine trapped in the pull-out TRD construction method sequentially comprises the following steps,
a, preliminarily separating soil around the cutting box body, and spraying bentonite-doped slurry to the soil around the cutting box body 5 from bottom to top by adopting a high-pressure jet grouting pile machine to preliminarily separate the soil around the cutting box body and the cutting box body.
And B, installing a top support bracket, and fixing the top support bracket at the top of the cutting box body through a bolt.
And mounting a vibration hammer, and fixedly mounting a vibration hammer 3 on the top support bracket.
Installing a pulling device, laying a roadbed box 4 on the earth surface, arranging an underframe on the roadbed box, arranging a top frame between a top support bracket and the underframe, penetrating the underframe and the top frame at the upper end of a cutting box body, and arranging a jacking oil cylinder between the underframe and the top frame. The four jacking oil cylinders are symmetrically distributed on two opposite sides of the cutting box body.
C, jacking a cutting box body, (1) starting the vibration cutting box body by a vibration hammer, wherein the vibration time is 1-3 minutes; (2) And the jacking oil cylinder jacks the cutting box body, jacks the top frame and supports the top support bracket, and then jacks the cutting box body through the top frame and the top support bracket (the vibrating hammer stops vibrating in the process of jacking the cutting box body by the jacking oil cylinder).
In the construction method of the embodiment, firstly, mud mixed with bentonite is sprayed on soil around the cutting box body by using a high-pressure rotary spraying pile machine in the step A, so that the cutting box body is initially separated from the soil around the cutting box body, and the pulling resistance of the trapped cutting box body is effectively reduced; therefore, under the condition of the same jacking force, the pulling-up and pulling-out trapping capacity of the cutting box body of the TRD construction method pile machine can be effectively improved, and the trapped cutting box body of the TRD construction method pile machine can be pulled up; and then, the pulling resistance of the trapped cutting box body is further reduced through the vibration of the vibration hammer, and then the cutting box body is jacked through the jacking oil cylinder, so that the pulling resistance of the trapped cutting box body is effectively reduced, and the trapped cutting box body of the TRD (blast furnace direct-fired dry distillation) construction method pile machine is pulled up.
Specifically, as shown in fig. 2 and 3, the pulling-out device 1 further includes vertically distributed telescopic pillars 1.4, lower ends of the telescopic pillars are connected to the bottom frame, and upper ends of the telescopic pillars are connected to the top frame. The lower end of the jacking oil cylinder is supported on the underframe. The top bracing support 2 is a cross beam in cross distribution. The vibration hammer is a high-frequency vibration hammer and is fixedly installed on the top support bracket through a bolt.
Further, the step A also comprises the step A of replacing the slurry, and the slurry is injected into the infusion channel inside the cutting box body so as to dilute or empty the cement slurry inside the cutting box body and around the cutting box body and prevent the cement slurry from being solidified into a whole with the cutting box body. Therefore, before the cutting box body is pulled out, pulling-out resistance on the trapped cutting box body can be further reduced, and pulling-out and trapping-removing capacity of the cutting box body of the TRD construction method is improved.
The slurry is a slurry doped with bentonite in an amount of not less than 5%. The bentonite slurry has the effect of lubricating the contact interface of the cutting box and the soil body, so that the inside of the cutting box and the cement soil slurry around the cutting box are emptied, and the cement slurry and the cutting box are prevented from being solidified into a whole.
And further, (2) in the step, the maximum jacking force of the jacking oil cylinder applied to the cutting box body through the top frame and the jacking support is N tons, and the value of N is 560 tons.
(2) In the step, when the jacking force exerted on the cutting box body by the jacking oil cylinder through the top frame and the top support bracket reaches N tons, the jacking oil cylinder keeps the jacking force of the N tons for t minutes, and the value of t is 5-15 minutes; if the jacking oil cylinder does not jack up the cutting box body in the period; and (4) returning to the step (1) until the cutting box body is jacked up by the jacking oil cylinder. So, through the vibration of (1) step and the jacking circulation cooperation of (2) step, be favorable to pulling up the cutting box of stranded TRD worker method stake machine on the one hand, on the other hand, avoid exerting on the cutting box for a long time too big jacking force, and lead to cutting the connecting bolt fracture of box.
The second embodiment is the same as the first embodiment, except that,
a1 step is also included between the A step and the B step.
The specific construction in the step A1 is as follows, and as shown in fig. 4 and 5, a steel wire rope laying device is adopted to lay steel wire ropes underground. The steel wire rope laying device comprises a steel wire rope 6.3, a limiting steel pipe 6.2 and two guiding steel pipes 6.1, wherein the lower end of the limiting steel pipe is provided with a steel wire rope limiting groove with an opening facing, the steel wire rope sequentially penetrates through the two guiding steel pipes, and two ends of the steel wire rope are provided with hanging rings. The concrete steps of using the steel wire rope laying device to lay the steel wire rope underground comprise,
firstly, a limiting steel pipe and two guiding steel pipes are vertically distributed, the two guiding steel pipes are distributed on the front side and the rear side of a cutting box body, the limiting steel pipes are distributed on the left side or the right side of the cutting box body, and a steel wire rope penetrates through a steel wire rope limiting groove; in this embodiment, the number of the limiting steel pipes is also two, one of the limiting steel pipes is close to the front side surface of the cutting box body, and the other limiting steel pipe is close to the rear side surface of the cutting box body.
Secondly, inserting the two guide steel pipes and the limiting steel pipe downwards into the soil layer until the lower ends of the two guide steel pipes and the lower end of the limiting steel pipe are located at a set distance below a cutting box body of the TRD (Top Transit steering) construction method pile machine; in the process, the steel wire rope always passes through the two guide steel pipes, the steel wire rope passes through the steel wire rope limiting groove, and two ends of the steel wire rope are positioned above the ground surface;
then, pulling up two ends of the steel wire rope above the ground surface until the whole steel wire rope is in a stretched state; then, pulling the limiting steel pipe upwards to separate the steel wire rope from the steel wire rope limiting groove;
and then, continuously pulling up the two ends of the steel wire rope above the ground surface until the whole steel wire rope is in a stretched state, and at the moment, the steel wire rope between the lower ends of the two guide steel pipes is positioned below a cutting box body of the TRD (Top-recovery-driven steering wheel) construction method pile machine.
In the embodiment, the guide steel pipes and the limiting steel pipes are distributed in the underground cement continuous wall formed by the TRD construction method pile machine in the construction process, and the construction step of arranging the steel wire ropes underground by adopting the steel wire rope arrangement device is completed before the underground cement continuous wall is solidified. Because the underground cement continuous wall is formed by stirring cement, the underground cement continuous wall is softer before solidification, and the soil body around the cutting box body is sprayed with slurry mixed with bentonite by the high-pressure rotary spraying pile machine, so that the guide steel pipe, the limiting steel pipe and the steel wire rope can be arranged in place.
(2) The method also comprises the steps that the crane and the steel wire rope lift and pull the cutting box body, and the crane and the steel wire rope lift and pull the cutting box body and the jacking oil cylinder lift and pull the cutting box body synchronously. The specific steps of the crane and the steel wire rope for pulling up the cutting box body comprise that hanging rings at two ends of the steel wire rope are hung on a hanging hook of the crane, and the crane pulls up the lower end of the cutting box body through the steel wire rope.
In the operating mode that the cutting box body was buried, can appear because of burying the brill clamping-force too big, surpass the biggest pulling force that the bolt that is used for connecting two adjacent cutting box monomers can bear in the cutting box body, cause the bolt fracture between being used for connecting certain two cutting box monomers, and lead to the cutting box body of part or most to be unable to be pulled out, make the huge economic loss of engineering and equipment. The pulling-up method of the present embodiment is to solve the problem, and specifically,
in the step A1 of the embodiment, the steel wire rope is arranged underground by using the steel wire rope arrangement device, and the steel wire rope bypasses the bottom of the cutting box body, so that the bolts used for connecting the two adjacent cutting box bodies on the cutting box body are not stressed in the process that the crane upwards pulls the lower end of the cutting box body through the steel wire rope, and the bolts used for connecting the two adjacent cutting box bodies cannot be damaged by the pulling force of the crane acting on the cutting box body through the steel wire rope; so, cooperation jacking cylinder comes the jacking cutting box, can be used for connecting under the free bolt's of two adjacent cutting casees the condition on not destroying the cutting box, very big improvement promotes the pulling force to the cutting box to on will cutting box "salvage".
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A construction method for cutting a box body trapped in a pile machine in a TRD (Top-pulling and Top-pulling) method is characterized in that the construction method adopts a top support and a pulling device for construction, the pulling device comprises an underframe, a top frame and a jacking oil cylinder positioned between the underframe and the top frame, the construction method for cutting the box body trapped in the pile machine in the TRD method sequentially comprises the following steps,
a, preliminarily separating soil around a cutting box body, and spraying bentonite-doped slurry to the soil around the cutting box body from bottom to top by adopting a high-pressure jet grouting pile machine to preliminarily separate the cutting box body from the soil around the cutting box body;
b, installing a top bracing support, and fixing the top bracing support on the top of the cutting box body through bolts by the top bracing support;
installing a vibration hammer, and fixedly installing the vibration hammer on the top support bracket;
installing a lifting device, laying a roadbed box on the ground surface, arranging a bottom frame on the roadbed box, arranging a top frame between a top support bracket and the bottom frame, penetrating the bottom frame and the top frame at the upper end of a cutting box body, and arranging a lifting oil cylinder between the bottom frame and the top frame;
c, jacking the cutting box body, (1) starting the vibration cutting box body by a vibration hammer; (2) And the jacking oil cylinder jacks the cutting box body, jacks the top frame and supports the top support bracket, and then jacks the cutting box body through the top frame and the top support bracket.
2. The construction method for pulling out the trapped cutting box body of the TRD construction method pile machine according to the claim 1, wherein in the step (2), the maximum jacking force of the jacking cylinder exerted on the cutting box body through the top frame and the jacking bracket is N tons.
3. The construction method for pulling out the cut box body trapped in the TRD construction method pile machine according to claim 2, wherein in the step (2), when the jacking force exerted on the cut box body by the jacking cylinder through the top frame and the jacking bracket reaches N tons, the jacking cylinder keeps the jacking force of N tons for t minutes, and if the jacking cylinder does not jack up the cut box body in the period; and (4) returning to the step (1) until the cutting box body is jacked up by the jacking oil cylinder.
4. The construction method for the pile machine trapped in the cutting box body according to the TRD construction method as claimed in claim 1, 2 or 3, wherein the step A further comprises replacing the grout, injecting the grout into the fluid passage inside the cutting box body to dilute or empty the inside of the cutting box body and the grout around the cutting box body, and preventing the grout from being solidified with the cutting box body.
5. The construction method for pulling out the trapped cutting box of the TRD construction method pile machine according to claim 4, wherein the mud liquid is the mud liquid doped with the bentonite content of not less than 5%.
6. The construction method for pulling out the trapped cutting box of the TRD (Top driven steering wheel) method pile machine according to the claim 1, the TRD method pile machine is characterized in that at least two jacking oil cylinders are arranged, and the jacking oil cylinders are distributed on two opposite sides of the cutting box.
7. The construction method for pulling out the trapped cutting box of the TRD construction method pile machine according to the claim 1, the construction method is characterized by further comprising the step A1 between the step A and the step B, the concrete construction of the step A1 is that a steel wire rope laying device is adopted to lay a steel wire rope underground, the steel wire rope laying device comprises a steel wire rope, a limiting steel pipe and two guide steel pipes, the lower end of the limiting steel pipe is provided with a steel wire rope limiting groove, the steel wire rope sequentially penetrates through the two guide steel pipes, and two ends of the steel wire rope are provided with lifting rings; the concrete steps of using the steel wire rope laying device to lay the steel wire rope underground comprise,
firstly, a limiting steel pipe and two guiding steel pipes are vertically distributed, the two guiding steel pipes are distributed on the front side and the rear side of a cutting box body, the limiting steel pipes are distributed on the left side or the right side of the cutting box body, and a steel wire rope penetrates through a steel wire rope limiting groove;
secondly, inserting the two guide steel pipes and the limiting steel pipe downwards into the soil layer until the lower ends of the two guide steel pipes and the lower end of the limiting steel pipe are located at a set distance below a cutting box body of the TRD (Top Transit steering) construction method pile machine; in the process, the steel wire rope always passes through the two guide steel pipes, the steel wire rope passes through the steel wire rope limiting groove, and two ends of the steel wire rope are positioned above the ground surface;
then, pulling up two ends of the steel wire rope above the ground surface until the whole steel wire rope is in a stretched state; then, the limiting steel pipe is pulled upwards to separate the steel wire rope from the steel wire rope limiting groove;
then, continuously pulling up the two ends of the steel wire rope above the ground surface until the whole steel wire rope is in a stretched state, and at the moment, the steel wire rope between the lower ends of the two guide steel pipes is located below a cutting box body of the TRD (Top-recovery steering device) construction method pile machine;
(2) The method comprises the following steps that a lifting hook is arranged at the two ends of the steel wire rope, and the lifting hook is arranged at the lower end of the steel wire rope.
8. The construction method for pulling out the trapped cutting box of the TRD (Top driven steering wheel) engineering pile machine according to the claim 1, the TRD engineering pile machine is characterized in that the pulling-out device further comprises telescopic columns which are vertically distributed, the lower ends of the telescopic columns are connected with the bottom frame, and the upper ends of the telescopic columns are connected with the top frame.
9. The construction method for pulling out the trapped and cut box body of the TRD (Top pressure recovery D) method pile machine according to claim 1, 2 or 3, wherein the top bracing support is a cross beam in a cross distribution.
10. The construction method for pulling out the trapped cutting box of the TRD construction method pile machine according to the claim 1, the TRD construction method pile machine is characterized in that the vibration hammer is a high-frequency vibration hammer, and the vibration hammer is fixedly installed on the top support bracket through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210644724.4A CN115387325B (en) | 2022-06-08 | 2022-06-08 | Construction method for trapped cutting box body of pile machine in TRD construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210644724.4A CN115387325B (en) | 2022-06-08 | 2022-06-08 | Construction method for trapped cutting box body of pile machine in TRD construction method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705684A (en) * | 2009-11-13 | 2010-05-12 | 中铁大桥局集团第四工程有限公司 | Method for sinking steel protecting canister for drilled pile construction |
| JP2017020264A (en) * | 2015-07-13 | 2017-01-26 | 鹿島建設株式会社 | Placement device and placement method |
| CN108277836A (en) * | 2017-12-25 | 2018-07-13 | 浙江吉通地空建筑科技有限公司 | Canal formula cuts the fracture chain saw Refloatation method of cement soil continuous wall cutting equipment |
| CN207812527U (en) * | 2017-12-13 | 2018-09-04 | 中冶天工集团有限公司 | A kind of Soil-cement Wall cutting box burying pull-up |
| CN111456007A (en) * | 2020-04-22 | 2020-07-28 | 中交第二航务工程局有限公司 | Steel casing pulling-out method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705684A (en) * | 2009-11-13 | 2010-05-12 | 中铁大桥局集团第四工程有限公司 | Method for sinking steel protecting canister for drilled pile construction |
| JP2017020264A (en) * | 2015-07-13 | 2017-01-26 | 鹿島建設株式会社 | Placement device and placement method |
| CN207812527U (en) * | 2017-12-13 | 2018-09-04 | 中冶天工集团有限公司 | A kind of Soil-cement Wall cutting box burying pull-up |
| CN108277836A (en) * | 2017-12-25 | 2018-07-13 | 浙江吉通地空建筑科技有限公司 | Canal formula cuts the fracture chain saw Refloatation method of cement soil continuous wall cutting equipment |
| CN111456007A (en) * | 2020-04-22 | 2020-07-28 | 中交第二航务工程局有限公司 | Steel casing pulling-out method |
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| CN115387325B (en) | 2024-01-30 |
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