CN112411530A - Construction method for controlling verticality of sea-filling stratum casing secant pile - Google Patents
Construction method for controlling verticality of sea-filling stratum casing secant pile Download PDFInfo
- Publication number
- CN112411530A CN112411530A CN202011320756.6A CN202011320756A CN112411530A CN 112411530 A CN112411530 A CN 112411530A CN 202011320756 A CN202011320756 A CN 202011320756A CN 112411530 A CN112411530 A CN 112411530A
- Authority
- CN
- China
- Prior art keywords
- casing
- full
- drilling machine
- verticality
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 145
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Paleontology (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a construction method for controlling the verticality of a sea-filling stratum casing secant pile, which comprises the following steps of: the construction method comprises the steps of firstly leveling a field, measuring and positioning a guide wall, installing a universal platform and a full-casing full-rotary drilling machine, then installing a first casing, arranging an inclinometer on the first casing for detecting the perpendicularity of the drilling angle of the first casing, and simultaneously arranging two theodolites which are mutually vertical in direction and used for monitoring the perpendicularity of the universal platform, the full-casing full-rotary drilling machine and the first casing in the construction process. The device can monitor the verticality of the universal platform, the full-casing full-rotary drilling machine and the casing construction process in real time, and improves the drilling efficiency and the verticality control precision of the full-casing full-rotary drilling machine.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for controlling the verticality of a sea-filling stratum casing secant pile.
Background
In recent years, with the rapid development of Chinese economy, the pace of Chinese urbanization construction is gradually increased, and particularly, the development speed of coastal cities is more obvious. The land reclamation site in coastal area is also more common, the backfill of the coastal area is generally filled by mountain digging stones, large stones are often randomly distributed in backfill bodies, and the diameter of the backfill bodies can reach more than 1.5 m. When a tall building or a subway station in a city is constructed in a land reclamation area, a sleeve secant pile is usually adopted as a foundation pit enclosure structure, which is a common foundation pit enclosure form in engineering.
However, the stones scattered in the backfill layer can greatly affect the verticality of the full-casing full-slewing drilling machine, so that the full-casing full-slewing drilling machine has a hole deviation situation in the drilling process, the overall supporting and water stopping effects of the occlusive pile are seriously affected after the foundation pit is excavated, and accidents such as water leakage are caused.
Disclosure of Invention
Therefore, in order to solve the technical problems, a construction method for controlling the verticality of a sea-filling stratum casing secant pile is needed.
A construction method for controlling the verticality of a sea-filling stratum casing secant pile comprises the following steps:
s1: leveling a field, and measuring and releasing a control line for construction of a guide wall by adopting a GPS or a total station;
s2: after digging out a guide wall groove, binding guide wall reinforcing steel bars and erecting a guide wall template by using the excavator, simultaneously carrying out measurement and lofting on the secant pile, and pouring guide wall concrete to form a guide wall;
s3: placing a universal platform on the guide wall through measurement and positioning, adjusting the flatness and fixing the universal platform with the ground;
s4: a drilling machine platform of the full-casing full-slewing drilling machine is hung on the universal platform and connected with hydraulic power equipment;
s5: installing a first section of casing pipe with a drill bit at the bottom end on the full-casing full-slewing drilling machine, installing an inclinometer on the side wall of the upper part of the first section of casing pipe, driving the full-casing full-slewing drilling machine to work through the hydraulic power equipment, and driving the first section of casing pipe drilling machine to construct;
s6: two theodolites which are vertical to each other in the direction are placed on the ground, and the verticality of the universal platform, the full-casing full-slewing drilling machine and the first casing in the working process is monitored by the theodolites in real time;
s7: when the first section of casing pipe is drilled to be close to the top surface of the drilling machine platform, the inclinometer is taken down, a grab bucket is used for taking soil, after the soil taking is completed, a second section of casing pipe is connected to the upper portion of the first section of casing pipe, the inclinometer is installed on the side wall of the upper portion of the second section of casing pipe, the drilling construction is continued, and meanwhile, the step S6 is repeated;
s8: when the first section of casing pipe is drilled to meet an obstacle, a drill rod of the rotary drilling rig extends into the first section of casing pipe, the obstacle is ground through the drill rod, dregs generated after grinding are taken out, when the elevation of the rotary drilling rig is close to the elevation of the first section of casing pipe, the rotary drilling rig is stopped and removed, and the full-casing full-slewing drilling rig is continuously used for drilling;
s9: when the second casing is drilled to near the top surface of the rig floor, repeating step S7 until the second casing is drilled to a design elevation;
s10: after the soil taking and hole cleaning are finished, hoisting the reinforcement cage into the interiors of all the sleeves, lowering the guide pipes and pouring concrete;
s11: when concrete is poured to a certain height, one section of sleeve and the corresponding section of guide pipe are respectively pulled out until the concrete is poured, and all the sleeve and the guide pipe are taken out.
In one embodiment, in step S5, the inclinometer is used to detect an X-direction or Y-direction inclination value generated by the first casing during drilling, and the all casing full slewing drilling machine adjusts the drilling angle of the first casing according to the inclination value.
In one embodiment, in step S8, the elevation of the rotary drilling rig needs to be always not lower than the bottom elevation of the first casing pipe, and it is ensured that the drill rod of the rotary drilling rig is always ground in the first casing pipe.
In one embodiment, the universal platform comprises a support and a leveling device, wherein the leveling device is arranged on the support and is used for adjusting the drilling angle of the casing.
In one of the embodiments, the levelling means is constituted by a telescopic hydraulic jack.
In one embodiment, the full-casing full-slewing drilling machine comprises hydraulic power equipment, a drilling machine platform and a plurality of casings, wherein the hydraulic power equipment provides power for the drilling machine platform, and the casings are driven by the drilling machine platform in an encircling mode.
In one embodiment, the other end of the first section of sleeve is provided with a connecting part, the two ends of the second section of sleeve are provided with connecting parts, and the connecting part of the first section of sleeve and the connecting part of the second section of sleeve are mutually meshed and fixed through a bolt.
In one embodiment, the drill bit is made of super-strong alloy material and is welded on the bottom pipe wall of the first sleeve.
In one embodiment, the theodolites are positioned at least 20 meters from the full casing full slewing drilling rig.
The construction method for controlling the verticality of the secant pile of the sea-filling stratum casing pipe comprises the steps of leveling a field, measuring and positioning a guide wall, installing and positioning a universal platform and a full-casing pipe full-slewing drilling machine, then installing a first casing pipe, installing an inclinometer on the side wall of the upper part of the first casing pipe, monitoring the verticality of the first casing pipe through the inclinometer in the drilling construction process of the first casing pipe, placing two theodolites vertical to the direction on the ground, monitoring the verticality of the universal platform, the full-casing pipe full slewing drilling machine and the first casing pipe through the theodolite, replacing the full-casing pipe full slewing drilling machine with a rotary drilling machine when an obstacle is encountered, grinding the obstacle, replacing the full-casing pipe full slewing drilling machine after grinding, continuing drilling work, connecting a second casing pipe at the top of the first casing pipe when the first casing pipe is drilled to be close to the top surface of the drilling machine platform, and the inclinometer is disassembled and installed on the upper side wall of the second section of the casing pipe, drilling work is repeatedly carried out until the designed elevation is reached, finally, holes are cleared, a reinforcing cage is hoisted and placed, concrete is poured, construction of the secant pile is completed, the verticality can be monitored in real time in the construction process of the universal platform, the full-casing full-slewing drilling machine and the casing pipe, the deviation is ensured to be processed timely, and the drilling efficiency and the verticality control precision of the full-casing full-slewing drilling machine are improved.
Drawings
FIG. 1 is a schematic flow chart of a construction method for controlling perpendicularity of a sea-filling stratum casing secant pile in one embodiment;
FIG. 2 is a schematic structural view of a universal platform;
FIG. 3 is a schematic structural view of a first section of casing and a second section of casing;
FIG. 4 is a schematic view of a construction scene of a full casing full slewing drilling machine;
fig. 5 is a schematic view of a construction scene of the rotary drilling rig.
In the drawing, the universal platform 10, a support 11, a leveling device 12, a full-casing full-slewing drilling machine 20, a first casing 30, a drill bit 31, a connecting part 32, an inclinometer 40, a theodolite 50, a second casing 60 and a rotary drilling machine 70 are shown.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings by way of specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In one embodiment, as shown in fig. 1, a construction method for controlling verticality of a sea-filling stratum casing secant pile is provided, which comprises the following steps:
and S101, leveling a field, and measuring and releasing a control line for guide wall construction by adopting a GPS or a total station.
And S102, after the excavator digs out the guide wall groove, binding guide wall reinforcing steel bars and erecting a guide wall template, simultaneously carrying out measurement lofting on the secant pile, and pouring guide wall concrete to form the guide wall.
And S103, placing the universal platform on the guide wall through measurement and positioning, adjusting the flatness and fixing the universal platform on the ground.
And step S104, hanging the drilling machine platform of the full-casing full-slewing drilling machine on a universal platform, and connecting hydraulic power equipment.
And S105, mounting a first section of casing with a drill bit at the bottom on the full-casing full-slewing drilling machine, mounting an inclinometer on the side wall of the upper part of the first section of casing, driving the full-casing full-slewing drilling machine to work through hydraulic power equipment, and driving the first section of casing drilling machine to construct.
And S106, placing two theodolites which are mutually vertical in the direction on the ground, and monitoring the verticality of the universal platform, the full-casing full-slewing drilling machine and the first casing in real time by the theodolites in the working process.
And S107, when the first section of casing pipe drills to the position close to the top surface of the drilling machine platform, taking down the inclinometer, taking out soil by using a grab bucket, connecting a second section of casing pipe to the upper part of the first section of casing pipe after soil taking is finished, installing the inclinometer on the side wall of the upper part of the second section of casing pipe, continuing drilling construction, and simultaneously repeating the step S106.
And S108, when the first sleeve pipe is drilled to meet the obstacle, extending a drill rod of the rotary drilling rig into the first sleeve pipe, grinding the obstacle through the drill rod, taking out the ground slag, stopping using the rotary drilling rig and removing the rotary drilling rig when the elevation of the rotary drilling rig is close to the elevation of the first sleeve pipe, and continuing to drill by using the full-sleeve full-rotation drilling rig.
And step S109, when the second casing pipe is drilled to be close to the top surface of the drilling machine platform, repeating the step S107 until the second casing pipe is drilled to the designed elevation.
And step S110, after the soil taking and hole cleaning are finished, hoisting the reinforcement cage into the interiors of all the casings, lowering the guide pipes and pouring concrete.
And step S111, when concrete is poured to a certain height, respectively pulling out one section of sleeve and the corresponding sections of guide pipes until the concrete is poured, and taking out all the sleeve and the guide pipes.
In the embodiment, a universal platform and a full-casing full-slewing drilling machine are installed and positioned by leveling a field and measuring and positioning a guide wall, then a first casing is installed, an inclinometer is installed on the side wall of the upper part of the first casing, the verticality of the first casing is monitored by the inclinometer in the drilling construction process of the first casing, two theodolites vertical to the direction are placed on the ground, the verticality of the universal platform, the full-casing full-slewing drilling machine and the first casing is monitored by the theodolite, when an obstacle is encountered, a rotary drilling machine is adopted to replace the full-casing full slewing drilling machine, the obstacle is ground, the full-casing full slewing drilling machine is replaced after the grinding is completed, the drilling work is continued, when the first casing is drilled to be close to the top surface of the drilling machine platform, a second casing is connected to the top of the first casing, the inclinometer is detached and installed on the side wall of the upper part of the second casing, drilling work is repeatedly carried out until design elevation is reached, finally, holes are cleared, a reinforcing cage is hoisted and placed, concrete is poured, construction of the occlusive pile is completed, the verticality can be monitored in real time in the construction process of the universal platform, the full-casing full-rotary drilling machine and the casing, the deviation is guaranteed to be timely processed, and the drilling efficiency and the verticality control precision of the full-casing full-rotary drilling machine are improved.
In step S105, the inclinometer is used to detect an inclination value of the first casing in the X direction or the Y direction generated in the drilling process, and the full-casing full-slewing drilling machine adjusts the drilling angle of the first casing according to the inclination value, so as to ensure the drilling verticality of the first casing.
In one embodiment, after the second casing is installed, step S106 is repeated, that is, two theodolites with mutually perpendicular directions need to be replaced according to the current position of the second casing, so as to facilitate real-time monitoring of the perpendicularity of the second casing. It is conceivable that after the third or subsequent casing has been installed, the theodolite needs to be repositioned for the currently installed casing position.
In step S108, the elevation of the rotary drilling rig needs to be always not lower than the bottom elevation of the first casing, and it is ensured that the drill rod of the rotary drilling rig is always ground in the first casing, and the drilling perpendicularity can be effectively guaranteed in the grinding process because the first casing is always arranged outside the drill rod.
Specifically, after the obstacle is broken, when the elevation of the rotary drilling rig is close to the elevation of the first section of casing pipe, the rotary drilling rig is stopped and removed, and the full-casing full-slewing drilling rig is continuously used for drilling; the two drilling modes are alternately carried out until the designed drilling depth is reached.
In one embodiment, when the second casing pipe encounters an obstacle, the step S108 may be repeated, and a rotary drilling rig is used for grinding to remove the obstacle. Similarly, when the third section of casing or the following casing encounters an obstacle, the obstacle can be removed by adopting a rotary drilling rig for grinding.
In one embodiment, as the second section of casing is drilled closer to the top surface of the rig floor, a third section of casing may be connected, and so on, until the casing is drilled to the design elevation.
As shown in fig. 2, the universal platform 10 includes a support 11 and a leveling device 12, wherein the leveling device 12 is disposed on the support 11, so that when an inclination value of the casing is detected, the drilling angle of the casing can be rapidly adjusted through the leveling device 12.
Wherein the levelling means 12 may be constituted by a telescopic hydraulic jack.
As shown in fig. 3, the bottom end of the first casing 30 is provided with the drill bits 31, the drill bits 31 are uniformly arranged along the wall of the first casing 30, so that the first casing 30 can be conveniently drilled, and the other end of the first casing is provided with a connecting part, so that the first casing can be conveniently connected with a second casing or other equipment; the second casing 60 has two ends each having a connecting portion, one end connected to the first casing 30 and the other end connected to other devices, such as a rotary drilling rig.
The second casing 60 and the first casing 30 are provided with connecting portions 32, and the connecting portions 32 of the first casing 30 and the connecting portions 32 of the second casing 60 are engaged with each other and fixed by bolts.
The drill bit 31 is made of super-strong alloy material and welded to the bottom end wall of the first casing 30, so that the first casing 30 can be drilled conveniently.
As shown in fig. 4, when the all-casing all-rotary drilling machine 20 is constructed, the universal platform 10 is placed on the guide wall and fixed with the ground, the all-casing all-rotary drilling machine 20 is hung on the universal platform 10, the first casing 30 is arranged in the all-casing all-rotary drilling machine 20, and an inclinometer is arranged on the upper side wall, so as to facilitate real-time monitoring of the drilling angle of the first casing 30, the first casing 30 is driven by the all-casing all-rotary drilling machine 20 for drilling construction, during the drilling process, two theodolites 50 with mutually perpendicular directions are placed on the ground, the two theodolites 50 jointly monitor the verticality of the universal platform 10, the all-casing all-rotary drilling machine 20 and the first casing 30 in real time, and when an inclination value is generated, the verticality is adjusted through the leveling devices 12 arranged on the universal platform 10 and the all-casing all-rotary drilling machine 20, the deviation of the drill hole is avoided, and the verticality of the drill hole is ensured.
In this embodiment, the leveling device provided on the full casing full slewing drilling machine 20 can check the leveling result of the leveling device 12 of the universal platform 10, so as to further ensure the perpendicularity of the drilling angle.
The full-casing full-slewing drilling machine 20 comprises hydraulic power equipment, a drilling machine platform and a plurality of casings, wherein the hydraulic power equipment provides power for the drilling machine platform, and the casings are driven by the drilling machine platform in an encircling mode.
Wherein, install the sleeve pipe in the top and all need set up inclinometer 40, inclinometer 40 detects the value of casing pipe tilt in X direction or Y direction at the in-process of creeping into on the display through wireless transmission data, is convenient for adjust the drilling direction of sheathed tube through full rotary drilling machine 20 of full sleeve pipe at any time, guarantees that its straightness is controllable that hangs down. The inclinometer 40 may be recycled.
As shown in fig. 5, when the first casing 30 encounters an obstacle, a drill rod of the rotary drilling rig 70 penetrates into the first casing 30 to grind the obstacle, and meanwhile, the residue soil is taken out, so that the obstacle can be timely processed when the obstacle is encountered, and the obstacle is prevented from affecting the drilling work.
Specifically, in the drilling process, the elevation of the rotary drilling rig 70 is required to be always kept not lower than the bottom elevation of the first casing 30, and the drill rod of the rotary drilling rig 70 is ensured to be always operated in the first casing 30; as the first section of casing 30 is always arranged outside the drill rod for protection, the perpendicularity of drilling can be effectively ensured in the grinding process.
After the obstacle is broken, when the elevation of the rotary drilling rig 70 is close to the elevation of the first section of sleeve 30, stopping using the rotary drilling rig 70, removing the rotary drilling rig 70, and continuing using the full-sleeve full-slewing drilling rig 20 to drill the whole sleeve; the two drilling modes are alternately carried out until the designed drilling depth is reached.
Wherein, the position distance that two theodolites 50 placed is at least 20 meters from full set of pipe full rotary drill 20, avoids full set of pipe full rotary drill 20 to cause the influence to theodolite 50, and can carry out the straightness monitoring that hangs down to first section sleeve pipe 30's whole.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. A construction method for controlling the verticality of a sea-filling stratum casing secant pile is characterized by comprising the following steps:
s1: leveling a field, and measuring and releasing a control line for construction of a guide wall by adopting a GPS or a total station;
s2: after digging out a guide wall groove, binding guide wall reinforcing steel bars and erecting a guide wall template by using the excavator, simultaneously carrying out measurement and lofting on the secant pile, and pouring guide wall concrete to form a guide wall;
s3: placing a universal platform on the guide wall through measurement and positioning, adjusting the flatness and fixing the universal platform with the ground;
s4: a drilling machine platform of the full-casing full-slewing drilling machine is hung on the universal platform and connected with hydraulic power equipment;
s5: installing a first section of casing pipe with a drill bit at the bottom end on the full-casing full-slewing drilling machine, installing an inclinometer on the side wall of the upper part of the first section of casing pipe, driving the full-casing full-slewing drilling machine to work through the hydraulic power equipment, and driving the first section of casing pipe drilling machine to construct;
s6: two theodolites which are vertical to each other in the direction are placed on the ground, and the verticality of the universal platform, the full-casing full-slewing drilling machine and the first casing in the working process is monitored by the theodolites in real time;
s7: when the first section of casing pipe is drilled to be close to the top surface of the drilling machine platform, the inclinometer is taken down, a grab bucket is used for taking soil, after the soil taking is completed, a second section of casing pipe is connected to the upper portion of the first section of casing pipe, the inclinometer is installed on the side wall of the upper portion of the second section of casing pipe, the drilling construction is continued, and meanwhile, the step S6 is repeated;
s8: when the first section of casing pipe is drilled to meet an obstacle, a drill rod of the rotary drilling rig extends into the first section of casing pipe, the obstacle is ground through the drill rod, dregs generated after grinding are taken out, when the elevation of the rotary drilling rig is close to the elevation of the first section of casing pipe, the rotary drilling rig is stopped and removed, and the full-casing full-slewing drilling rig is continuously used for drilling;
s9: when the second casing is drilled to near the top surface of the rig floor, repeating step S7 until the second casing is drilled to a design elevation;
s10: after the soil taking and hole cleaning are finished, hoisting the reinforcement cage into the interiors of all the sleeves, lowering the guide pipes and pouring concrete;
s11: when concrete is poured to a certain height, one section of sleeve and the corresponding section of guide pipe are respectively pulled out until the concrete is poured, and all the sleeve and the guide pipe are taken out.
2. The construction method for controlling the verticality of a sea-filling stratum casing bite pile according to claim 1, wherein in step S5, the inclinometer is used for detecting an inclination value of the first casing in an X direction or a Y direction during drilling, and the full casing full rotary drilling machine adjusts a drilling angle of the first casing according to the inclination value.
3. The construction method for controlling the perpendicularity of the sea-filling formation casing secant pile according to claim 1, wherein in step S8, the elevation of the rotary drilling rig is required to be always not lower than the bottom elevation of the first casing, and the drill rod of the rotary drilling rig is ensured to be ground in the first casing all the time.
4. The construction method for controlling the verticality of the secant pile of the sea-filling stratum casing pipe according to claim 1, wherein the universal platform comprises a support and a leveling device, the leveling device is arranged on the support, and the leveling device is used for adjusting the drilling angle of the casing pipe.
5. The construction method for controlling the verticality of the secant pile of the sea-filling stratum casing pipe according to claim 4, wherein the leveling device is composed of a telescopic hydraulic jack.
6. The construction method for controlling the verticality of the sea-filling stratum casing secant pile is characterized in that the full-casing full-slewing drilling machine comprises hydraulic power equipment, a drilling machine platform and a plurality of casings, wherein the hydraulic power equipment provides power for the drilling machine platform, and the casings are driven by the drilling machine platform in an encircling mode.
7. The construction method for controlling the verticality of the secant pile of the sea-filling stratum casing pipe according to claim 1, wherein a connecting part is arranged at the other end of the first casing pipe, a connecting part is arranged at each of two ends of the second casing pipe, and the connecting part of the first casing pipe and the connecting part of the second casing pipe are meshed with each other and fixed through bolts.
8. The construction method for controlling the verticality of the secant pile of the sea-filling stratum casing pipe according to claim 1, wherein the drill bit is made of super-strong alloy material and is welded on the bottom pipe wall of the first casing pipe.
9. The construction method for controlling the verticality of the sea-filling stratum casing secant pile according to claim 1, wherein the two theodolites are placed at a distance of at least 20 meters from the full-casing full-slewing drilling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320756.6A CN112411530A (en) | 2020-11-23 | 2020-11-23 | Construction method for controlling verticality of sea-filling stratum casing secant pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320756.6A CN112411530A (en) | 2020-11-23 | 2020-11-23 | Construction method for controlling verticality of sea-filling stratum casing secant pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112411530A true CN112411530A (en) | 2021-02-26 |
Family
ID=74778100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011320756.6A Pending CN112411530A (en) | 2020-11-23 | 2020-11-23 | Construction method for controlling verticality of sea-filling stratum casing secant pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112411530A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294138A (en) * | 2021-06-03 | 2021-08-24 | 中铁第五勘察设计院集团有限公司 | Full-sleeve full-rotary drilling machine device |
| CN114182727A (en) * | 2022-01-07 | 2022-03-15 | 中铁二十局集团第六工程有限公司 | Occlusive pile construction method |
| CN115506350A (en) * | 2022-10-12 | 2022-12-23 | 杭州余杭建筑设计院有限公司 | Construction device and construction method for removing obstacles of existing pile foundation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090012437A (en) * | 2007-07-30 | 2009-02-04 | 박무용 | Casing guide structure for constructing column |
| CN103993597A (en) * | 2014-05-23 | 2014-08-20 | 上海森信建设工程有限公司 | High-precision vertical column pile construction method |
| CN105239564A (en) * | 2015-10-28 | 2016-01-13 | 上海十三冶建设有限公司 | Construction method of cast-in-place pile with combination of full-sleeve and mud protecting wall |
| CN105887813A (en) * | 2016-05-07 | 2016-08-24 | 深圳市宏业基基础工程有限公司 | Large-diameter super-long pile construction method in karst area through full-casing pipe full rotating and rotary drilling |
| CN205532581U (en) * | 2016-01-29 | 2016-08-31 | 徐州市市政设计院有限公司 | Open caisson location automatic measuring device |
| CN109083178A (en) * | 2018-07-24 | 2018-12-25 | 中交航局第三工程有限公司 | It is a kind of element interlocking pile at cut-pff wall water-stop curtain construction method |
-
2020
- 2020-11-23 CN CN202011320756.6A patent/CN112411530A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090012437A (en) * | 2007-07-30 | 2009-02-04 | 박무용 | Casing guide structure for constructing column |
| CN103993597A (en) * | 2014-05-23 | 2014-08-20 | 上海森信建设工程有限公司 | High-precision vertical column pile construction method |
| CN105239564A (en) * | 2015-10-28 | 2016-01-13 | 上海十三冶建设有限公司 | Construction method of cast-in-place pile with combination of full-sleeve and mud protecting wall |
| CN205532581U (en) * | 2016-01-29 | 2016-08-31 | 徐州市市政设计院有限公司 | Open caisson location automatic measuring device |
| CN105887813A (en) * | 2016-05-07 | 2016-08-24 | 深圳市宏业基基础工程有限公司 | Large-diameter super-long pile construction method in karst area through full-casing pipe full rotating and rotary drilling |
| CN109083178A (en) * | 2018-07-24 | 2018-12-25 | 中交航局第三工程有限公司 | It is a kind of element interlocking pile at cut-pff wall water-stop curtain construction method |
Non-Patent Citations (2)
| Title |
|---|
| 江苏省建设工程质量监督总站等: "《城市轨道交通工程质量监督实务》", 30 November 2017, 东南大学出版社 * |
| 罗光财等: "复杂海相地质条件下的咬合桩施工关键技术", 《建筑施工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294138A (en) * | 2021-06-03 | 2021-08-24 | 中铁第五勘察设计院集团有限公司 | Full-sleeve full-rotary drilling machine device |
| CN114182727A (en) * | 2022-01-07 | 2022-03-15 | 中铁二十局集团第六工程有限公司 | Occlusive pile construction method |
| CN115506350A (en) * | 2022-10-12 | 2022-12-23 | 杭州余杭建筑设计院有限公司 | Construction device and construction method for removing obstacles of existing pile foundation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110206493B (en) | Construction process of full-sleeve full-rotation bored pile | |
| CN112554177B (en) | Construction method of ultra-long small-diameter cast-in-situ bored pile | |
| CN112411530A (en) | Construction method for controlling verticality of sea-filling stratum casing secant pile | |
| CN104563098B (en) | A kind of super-large diameter all steel casing does operation pore-creating filling pile construction method | |
| CN111962504A (en) | Construction method for covering and digging top-down permanent steel pipe column | |
| CN110629747A (en) | Full-casing full-rotation construction process for pile foundation under complex geological conditions | |
| CN109025816B (en) | Construction method for long spiral leading hole of prestressed pipe pile with ultra-deep and ultra-thick compact sand layer | |
| CN114134928B (en) | Construction method of steel pipe column tower crane foundation | |
| CN117211271A (en) | Double-pile-casing positioning pile-forming construction method for deep and thick filling layer filling pile of sea wall | |
| CN113756286A (en) | Construction method for implementing underground water soil continuous steel wall by TRD method | |
| CN211500533U (en) | Hole guiding device for geological static pressure pile in rich thick sand layer | |
| CN115387328B (en) | Beach cast-in-place pile construction method based on ultra-long spiral drilling machine | |
| CN218148483U (en) | Tower crane foundation structure | |
| CN218060412U (en) | Utility tunnel enclosure wall construction structures | |
| CN110629756A (en) | Anchor cable removing method | |
| CN114718053A (en) | Method for installing and positioning foundation pit steel stand column by reverse construction method and installation structure | |
| CN113738272A (en) | Rotary drilling hole forming construction method for pile foundation in gravel area with easy hole collapse | |
| CN114635450A (en) | Construction method for permanent steel pipe structural column of covered and excavated station | |
| CN113356189A (en) | Full-sleeve hole forming construction method for rotary drilling rig | |
| CN114016495A (en) | Construction method for underground continuous wall system under weak geological conditions in sea reclamation area | |
| CN110984862A (en) | Hole guiding device for geological static pressure pile in rich thick sand layer and construction method | |
| CN112726565A (en) | Construction method for rotary digging pile penetrating through construction waste | |
| CN216950245U (en) | Construction structure of super-large-diameter rock-socketed rotary digging pile | |
| CN114922557B (en) | Protection device and hole digging method for underground operation of manual hole digging pile | |
| CN117090509A (en) | Construction process of full-casing full-rotary drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |
|
| RJ01 | Rejection of invention patent application after publication |