CN111042124B - Multifunctional pile casing suitable for sludge bottom layer and construction method adopting pile casing - Google Patents
Multifunctional pile casing suitable for sludge bottom layer and construction method adopting pile casing Download PDFInfo
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- CN111042124B CN111042124B CN201911251552.9A CN201911251552A CN111042124B CN 111042124 B CN111042124 B CN 111042124B CN 201911251552 A CN201911251552 A CN 201911251552A CN 111042124 B CN111042124 B CN 111042124B
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- sludge
- protective cylinder
- barrel
- side wall
- steel
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- Expired - Fee Related
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- 239000010802 sludge Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims abstract description 42
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 6
- 241001330002 Bambuseae Species 0.000 claims abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 6
- 239000011425 bamboo Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 72
- 239000010959 steel Substances 0.000 claims description 72
- 239000007921 spray Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 23
- 238000005553 drilling Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying 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
- E02D5/66—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
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a multifunctional protective cylinder suitable for a sludge bottom layer and a construction method adopting the protective cylinder. The construction method comprises the following steps: determining whether the diameter needs to be changed or not according to the excavation depth, then placing the protective cylinder in a sludge layer, pouring concrete into the protective cylinder after removing sludge in the protective cylinder, lifting the protective cylinder upwards through a barb groove by adopting a three-jaw hook, and simultaneously starting a water jet cutter assembly to remove sludge until the pouring is finished. The protective cylinder can keep rigidity and reduce the whole weight, the side wall of the protective cylinder is provided with the notch, and the pull buckle assembly is arranged to limit and connect the notch, so that the diameter of the protective cylinder can be controlled, and the protective cylinder is suitable for more scenes; and protect a section of thick bamboo lateral wall and set up the water jet cutter subassembly, and then can reduce and extract the degree of difficulty of protecting a section of thick bamboo in the silt layer to improve the work efficiency of construction.
Description
Technical Field
The invention belongs to the field of pile casings, and particularly relates to a multifunctional pile casing suitable for a sludge bottom layer and a construction method adopting the pile casing.
Background
Under some severe geological environments, a series of problems can be caused by using a steel casing to protect the wall, for example, a hole digging pile is carried out on a sludge layer, the steel casing is used, after construction is completed, when the steel casing is taken out, due to the viscosity of sludge, the sludge can be tightly attached to the outer wall of the steel casing, so that the steel casing can be prevented from being pulled out, and meanwhile, in the pulling-out process, the inner wall of a drilled hole can be greatly disturbed, so that the collapse possibility exists; the second problem is that the length of the guard hole is limited due to the limitation of the length of the steel guard cylinder in the ultra-deep drilling process, so that the ultra-deep drilling is not suitable.
Disclosure of Invention
The purpose of the invention is as follows: a first object of the present invention is to provide a multifunctional casing capable of easily pulling out the casing in a sludge layer and performing ultra-deep drilling;
the second purpose of the invention is to provide a construction method using the casing.
The technical scheme is as follows: the invention relates to a multifunctional pile casing suitable for a sludge bottom layer, which comprises a casing body which is not connected in a closed way and is provided with a notch, a water jet cutter assembly arranged in the side wall of the casing body and a pull buckle assembly arranged on the side wall of the casing body and covering the notch;
the barrel comprises a base, an unclosed steel frame arranged on the base and provided with a notch, an inner baffle arranged on the inner side of the steel frame and an outer baffle arranged on the outer side of the steel frame, wherein the side wall of the outer baffle is provided with a plurality of groups of right-angled triangular water knife grooves;
the pulling buckle component comprises a bolt piece and a pulling buckle piece, wherein the bolt piece comprises a steel wire, a retaining ring and a bolt matched with the retaining ring, one end of the steel wire is connected with the bolt, the other end of the steel wire is fixed on the inner side wall of the steel frame at one side of the notch, and the retaining ring is fixed on the inner side wall of the steel frame at the other side of the notch; the pull buckle piece comprises a limiting pull buckle and a limiting convex block which are matched with each other, the limiting pull buckle is arranged on the steel frame outer side wall of one side of the notch, and the limiting convex block is arranged on the steel frame outer side wall of the other side of the notch.
Furthermore, the steel frame of the protective cylinder is hollow and cylindrical and comprises an annular steel ring and strip-shaped steel rods which are vertically fixed on the side wall of the annular steel ring at equal intervals, and the through holes are formed in the side wall of the annular steel ring and located between the adjacent strip-shaped steel rods. The cylinder body is formed by superposing and combining a plurality of steel frames.
Furthermore, a barb groove is formed in the side wall of the inner baffle plate of the protective cylinder along the length direction of the inner baffle plate, and a magnet is arranged at one end, far away from the notch, in the barb groove. The right-angle edge of the water knife groove is vertical to the cylinder body, the water outlet end of the spray head of the water knife component is parallel to the bevel edge of the water knife groove,
the construction method adopting the pile casing comprises the following steps: when shallow digging is carried out, the pull buckle assembly is fastened, the protective barrel is placed in a sludge layer, after sludge in the barrel is removed, concrete is poured into the protective barrel, the protective barrel is lifted upwards through the barb groove by adopting the three-jaw hook, and the water jet cutter assembly is started to remove the sludge at the same time until the pouring is finished.
Furthermore, the construction method adopting the casing comprises the following steps: when deep digging is carried out, the bolt of the pull buckle assembly is inserted into the buckle ring to carry out diameter changing of the barrel, the deep digging exceeds the height of the protective barrel, the protective barrel is placed in a sludge layer, the bolt is extracted out to recover to the initial state of the barrel, after sludge in the barrel is removed, concrete is poured into the protective barrel, the protective barrel is lifted upwards through the barb groove by adopting the three-jaw hook, and meanwhile, the water jet cutter assembly is started to remove the sludge until the pouring is finished.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the protective cylinder can keep rigidity and reduce the whole weight, a notch is formed in the side wall of the protective cylinder, a pull buckle assembly is arranged to limit and connect the notch, the diameter of the protective cylinder can be controlled, and the protective cylinder is suitable for more scenes; and protect a section of thick bamboo lateral wall and set up the water jet cutter subassembly, and then can reduce and extract the degree of difficulty of protecting a section of thick bamboo in the silt layer to improve the work efficiency of construction.
Drawings
FIG. 1 is a schematic view of the overall structure of the casing of the present invention;
fig. 2 is a partial internal structure diagram of the casing of the present invention.
FIG. 3 is a schematic view of the overall internal plan structure of the casing of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at B;
FIG. 5 is a schematic top view of the notch of FIG. 1;
FIG. 6 is a schematic view of the extrusion connection structure at the top gap A of FIG. 1;
fig. 7 is a schematic view of the initial state structure at the top gap a of fig. 1.
Fig. 8 is a schematic view of an application scenario of the casing of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 and 2, the multifunctional casing of the present invention is suitable for a sludge bottom layer, and includes a cylindrical casing with an unclosed edge and a gap, a water jet assembly disposed in a sidewall of the casing, and a fastener assembly disposed on the sidewall of the casing, wherein the fastener assembly is located at the gap of the casing and can cover the gap, that is, the fastener assembly is disposed on sidewalls at two sides of the gap. The radial cross section of breach is the triangle-shaped of symmetry setting, and the both ends of breach divide into first end and second end, and the contact surface at both ends is triangular bevel face, and the tip part of second end is towards the inner chamber of barrel, draws the buckle subassembly to distribute on the lateral wall of first end and second end for keep first end and second end to be connected the cooperation.
As shown in fig. 3, the cylinder includes a base 1, a steel frame 2, a grid-shaped inner baffle 3 and an outer baffle 4. The steel frame 2 is fixedly installed at the top of the base 1, the radial section of the base 1 is triangular, the top end of the bottom is used for being rapidly inserted into a sludge layer, and the inner baffle 3 and the outer baffle 4 are respectively installed on the inner side and the outer side of the steel frame 2. The steel frame 2 is hollow cylindrical and comprises an annular steel ring 13 and a strip-shaped steel rod 14, through holes are formed in the side wall of the annular steel ring 13 at equal intervals, the strip-shaped steel rod 14 is fixed in the through holes, a plurality of groups of annular steel rings 13 are installed in the length direction of the strip-shaped steel rod 14, the more the annular steel rings 13 and the strip-shaped steel rods 14 are installed, and the higher the rigidity of the cylinder is. The breach is left to the both sides wall of annular steel ring 13, and not closed setting, bar steel pole 14 equidistant vertical fixation, and just be located adjacently on the lateral wall of annular steel ring 13 the through-hole has still been seted up between bar steel pole 14. A plurality of barb grooves 15 have been seted up along its length direction on the lateral wall of interior baffle 3, barb groove 15's cross-section is rhombus or triangle-shaped, the notch is located interior baffle 3, barb groove 15's inner chamber is followed to steelframe 2 and is stretched, and its top is followed to the upper end of cavity and is stretched, and the one end of keeping away from its notch in this barb groove 15 is provided with magnet 16, it is used for using with the cooperation of three-jaw couple, thereby more do benefit to the three-jaw couple that magnetic metal made and articulate in barb groove 15, and then promote work to the barrel. Equidistant distribution has a plurality of groups water sword groove 5 on the lateral wall of outer baffle 4, avoid the water sword subassembly to stretch out on the outside lateral wall of outer baffle 4, the longitudinal section of water sword groove 5 presents the right angled triangle of the 4 faces of the outer baffle of perpendicular to, the hypotenuse slopes downwards, the inner chamber of water sword groove 5 is followed to the steelframe 2 is interior to stretch, and then the installation of the shower nozzle 6 of being convenient for, and when shower nozzle 6 was clear away silt, do benefit to silt and fall along the lateral wall of outer baffle 4, as shown in fig. 4.
The water jet assembly comprises a spray head 6 and a conduit 7 which is arranged in the interlayer between the inner baffle 3 and the outer baffle 4. The spray heads 6 are arranged at the top of the inner cavities of the water jet grooves 5, each water jet groove 5 is internally provided with a spray head 6 corresponding to one water jet assembly, the water outlet end of each water jet groove 5 is arranged in parallel with the inclined edge of the water jet groove 5, the tail end of each water jet groove is connected with the guide pipe 7, and the other end of each guide pipe 7 penetrates through the through hole and extends to the outside of the cylinder. The inner baffle 3 can be movably arranged so as to facilitate the installation of the guide pipe 7 in the water jet cutting assembly. The spray head 6 is connected with pumped water jet cutter material equipment, the guide pipe 7 is used for guiding the water jet cutter material to the spray head 6 to be sprayed out, and in order to increase the spraying effect of the water jet cutter component, the water jet cutter material can be selected from bentonite and other materials with lubricating property.
As shown in fig. 5 to 7, the tab assembly includes a latch member and a tab member, and the latch member is used for maintaining a state of pressing the barrel after diameter change. The bolt piece comprises a retaining ring 9, a bolt 10 and a steel wire 8. Bolt 10 fixed connection is in the one end of steel wire 8, and the other end of steel wire 8 is fixed on 2 inside walls of steelframe of breach one side (be first end promptly) and is not close to one side of first end tip for when the second end extrudeed to the barrel inner chamber, bolt 10 can be pegged graft in the inner chamber of buckle 9, is used for the whole reducing of barrel, and buckle 9 is fixed on 2 inside walls of steelframe of breach opposite side (be the second end promptly), and bolt 10 cooperatees with buckle 9 and is connected. The pulling and buckling piece comprises a wedge-shaped limiting pulling and buckling piece 11 with a barb and a limiting convex block 12, wherein the limiting pulling and buckling piece 11 is arranged on the outer side wall of the steel frame 2 at one side (namely the first end) of the gap and covers the outer part of the gap; the limiting convex block 12 is arranged on the outer side wall of the steel frame 2 at the other side (namely the second end) of the gap, forms a barb with the side wall of the outer baffle 4, and is matched and buckled with the end part of the limiting pull buckle 11.
The protective cylinder has the same effect as the traditional steel protective cylinder and is used for protecting the side wall of the hole pile in the building construction process, the cylinder body is the main body part of the protective cylinder and is in direct contact with the side wall of the hole pile and a mud layer, the water jet cutter assembly is arranged in the side wall of the cylinder body and is used for removing mud dirt on the outer wall of the cylinder body and reducing the viscosity of the mud on the side wall of the cylinder body when the cylinder body is pulled out in the construction operation, and the pull buckle assembly is arranged on the edge side wall of the cylinder body and is used for limiting the radial diameter of the cylinder body, so that the protective cylinder is suitable for more scenes.
In the installation process, a plurality of groups of annular steel rings are placed at equal intervals in the same circle center, strip-shaped steel rods are fixed in through holes formed in the annular steel rings at equal intervals, so that a barrel body part of the cylindrical steel frame is formed, and a base is installed at the bottom of the barrel body part; a notch is formed in any position of the edge of the steel frame, a plurality of groups of water knife grooves are arranged on the side wall of the outer baffle at equal intervals and in equal radian, and the outer baffle is fixedly arranged outside the steel frame in a grid shape; then, a guide pipe penetrates through the outer part of the cylinder body and penetrates out of a through hole formed in the annular steel ring, and the guide pipe is communicated with the tail end of the spray head arranged in each longitudinal group of water knife grooves; arranging the guide pipes in the steel frame; a barb groove is formed in one position of the side wall of the inner baffle plate, the inner baffle plate is arranged in the inner cavity of the steel frame in a grid shape, and the water jet cutter assembly is limited in the inner cavity of the cylinder; then, a steel wire is fixed on the inner side wall of the first end of the notch, a bolt is fixed at the free end of the steel wire, a limiting pull buckle is arranged on the outer side wall, a retaining ring is fixed on the inner side wall of the second end of the notch, and a limiting convex block matched with the limiting pull buckle is arranged on the outer side wall.
The construction method for shallow excavation by adopting the multifunctional casing comprises the following steps:
(1) preparing before construction, keeping the pull buckle assembly fastened, and ensuring the water jet cutter assembly to work normally;
(2) measuring and positioning, determining the excavation position, firstly excavating a shallow pit, and placing a pile casing;
(3) pressing down the side wall of the top of the protective cylinder to make the protective cylinder sink to the sludge layer;
(4) when the barrel body is completely sunk into the sludge layer, the sludge in the barrel body is removed by using the conventional rotary drilling rig;
(5) after the sludge is removed, concrete is poured into the inner cavity of the cylinder body by using the rotary drilling rig, in the pouring process, the three-claw hook hooks the barb groove to lift the protective cylinder upwards along with the rising of the concrete layer, and meanwhile, the water jet cutter assembly is opened;
(6) and continuously pouring concrete to the top of the sludge layer, separating the protective barrel from the sludge layer after pouring, cleaning the outer wall of the barrel body, and keeping the water jet cutter assembly in normal use, as shown in fig. 8.
Before construction, all parts in the protective cylinder are checked, the pull buckle assembly is kept fastened and fastened, and the water jet cutter material in the water jet cutter assembly is tested whether to be normally sprayed out of the spray head or not when the cylinder body is in an initial diameter state; after the checking and preparing work is finished, measuring and positioning the place to be excavated to determine the specific position capable of excavating, and before excavating by adopting the pile casing, shallow excavating by using small-sized excavating equipment or tools to stably place the pile casing; after the pile casing is placed, the top of the pile casing is propped against through the existing construction equipment, the pile casing is pressed down to a sludge layer, and the pile casing is required to be kept stable in the pressing-down process; until the pile casing is completely pressed into the silt layer, taking out the rotary-drilled mud by using a drill bit and pumping cleaning equipment for extracting silt, and extending a pipeline for extracting mud into the inner cavity of the pile casing to remove the silt and the mud in the inner cavity of the pile casing; after the cleaning is finished, concrete is poured into the inner cavity of the pile casing by utilizing pumping equipment for pouring concrete, and it needs to be noted that when the concrete is poured, a port of a pouring pipeline needs to be kept to be placed below a concrete layer so as to avoid concrete slurry from splashing out, when the concrete layer rises to a barb groove, the edge of a three-jaw hook is hooked in the groove of the barb groove, the pile casing is slowly lifted up, and meanwhile, a water knife assembly is opened so that a water knife material is sprayed out from a spray head to flush and drench sludge on the side walls of a water knife groove and an outer baffle plate so as to reduce the viscosity of the sludge on the side wall of the pile casing and facilitate the pull-out of the pile casing; and when the pile casing is completely pulled out, the concrete pouring is also finished. After the completion, the inside and outside lateral wall to protecting a section of thick bamboo is cleared up to the shower nozzle in the water sword subassembly is cleared up, in order to prevent that the shower nozzle from blockking up, influencing subsequent use.
The construction method for deep excavation by adopting the multifunctional casing comprises the following steps:
(1) in the preparation process before construction, the diameter-changing operation of the pile casing is required, one side of the cylinder body, which is positioned at the first end, is extruded towards the second end, and the plug pin is inserted into the snap ring, so that the integral maximum diameter of the pile casing is smaller than the radial diameter of the pile casing in the initial state, and the pile casing with the diameter changed can pass through the inner cavity of the pile casing in the complete state;
(2) after the deep digging to a mud layer, adopting a rotary drilling bit to continue the deep drilling, when the depth exceeds the height of the cylinder body, adopting thick mud to protect the wall of the rotary drilled hole, lowering the diameter-variable protective cylinder to the bottommost part of the drilled hole along the inner cavity of the drilled hole, placing the protective cylinder to a preset position, then pulling out the bolt, and enabling the limiting lug to be buckled with the end part of the limiting pull buckle so as to enable the cylinder body to be restored to the initial state;
(3) adopting a drill bit to continue to perform rotary digging in the inner cavity of the cylinder body, and conveying the dug soil to the ground;
(4) after the rotary drilling is carried out to a preset depth, firstly, the three-jaw hook is put down, the edge of the three-jaw hook is hung in the barb groove, a pipeline for conveying concrete extends into the inner cavity of the cylinder body, the concrete is poured, and in the pouring process, the water knife assembly is opened and the cylinder body is lifted;
(5) and continuously pouring concrete to the top of the silt layer, separating the protective barrel from the silt layer after pouring is finished, cleaning the outer wall of the barrel body, and keeping the water jet cutter assembly in normal use.
Claims (7)
1. The utility model provides a multi-functional a section of thick bamboo that protects suitable for silt bottom which characterized in that: the protective cylinder comprises a cylinder body which is not connected in a closed way and is provided with a notch, a water jet cutter assembly arranged in the side wall of the cylinder body and a pull buckle assembly arranged on the side wall of the cylinder body and covering the notch;
the barrel comprises a base (1), an unclosed and connected steel frame (2) arranged on the base (1) and provided with a notch, an inner baffle (3) arranged on the inner side of the steel frame (2) and an outer baffle (4) arranged on the outer side of the steel frame (2), wherein a plurality of groups of right-angled triangular water knife grooves (5) are formed in the side wall of the outer baffle (4), each water knife assembly comprises a spray head (6) arranged in each water knife groove (5) and a guide pipe (7) with one end connected with the spray head (6), and the other end of the guide pipe (7) extends to the outside of the barrel through a through hole formed in the steel frame (2);
the pulling buckle component comprises a bolt piece and a pulling buckle piece, wherein the bolt piece comprises a steel wire (8), a retaining ring (9) and a bolt (10) matched with the retaining ring (9), one end of the steel wire (8) is connected with the bolt (10), the other end of the steel wire is fixed on the inner side wall of the steel frame (2) at one side of the notch, and the retaining ring (9) is fixed on the inner side wall of the steel frame (2) at the other side of the notch; draw the fastener to draw and detain (11) and spacing lug (12) including the spacing of matching setting, spacing draw to detain (11) to locate on the steelframe (2) lateral wall of breach one side, spacing lug (12) are located on the steelframe (2) lateral wall of breach opposite side.
2. The multifunctional casing for the sludge bottom layer as claimed in claim 1, wherein: the steel frame (2) is hollow and cylindrical and comprises an annular steel ring (13) and strip-shaped steel rods (14) which are vertically fixed on the side wall of the annular steel ring (13) at equal intervals, and the through holes are formed in the side wall of the annular steel ring (13) and are located between the adjacent strip-shaped steel rods (14).
3. The multifunctional casing for the sludge bottom layer as claimed in claim 1, wherein: the side wall of the inner baffle (3) is provided with a barb groove (15) along the length direction, and one end of the barb groove (15) far away from the notch is provided with a magnet (16).
4. The multifunctional casing for the sludge bottom layer as claimed in claim 1, wherein: the right-angle side of the water knife groove (5) is perpendicular to the plate body of the outer baffle (4), and the water outlet end of the spray head (6) of the water knife assembly is parallel to the inclined side of the water knife groove (5).
5. The multifunctional casing for the sludge bottom layer as claimed in claim 1, wherein: the cylinder body is formed by overlapping and combining a plurality of steel frames (2).
6. A method of constructing using the casing of claim 3, comprising the steps of: when shallow digging is carried out, the pull buckle assembly is fastened, the protective cylinder is placed in a sludge layer, after sludge in the cylinder is removed, concrete is poured into the protective cylinder, the protective cylinder is lifted upwards through the barb groove (15) by adopting the three-jaw hook, and the water jet cutter assembly is started to remove the sludge at the same time until the pouring is finished.
7. A method of constructing using the casing of claim 3, comprising the steps of: when deep digging is carried out, the bolt (10) of the pulling buckle assembly is inserted into the retaining ring (9) to reduce the diameter of the barrel, the depth is dug to exceed the height of the protective barrel, the protective barrel is placed in a sludge layer, the bolt (10) is pulled out, the initial state of the barrel is recovered, after sludge in the barrel is removed, concrete is poured into the barrel, the protective barrel is lifted upwards through the barb groove (15) by adopting the three-jaw hook, and meanwhile, the water jet cutter assembly is started to remove the sludge until the pouring is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251552.9A CN111042124B (en) | 2019-12-09 | 2019-12-09 | Multifunctional pile casing suitable for sludge bottom layer and construction method adopting pile casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251552.9A CN111042124B (en) | 2019-12-09 | 2019-12-09 | Multifunctional pile casing suitable for sludge bottom layer and construction method adopting pile casing |
Publications (2)
| Publication Number | Publication Date |
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| CN111042124A CN111042124A (en) | 2020-04-21 |
| CN111042124B true CN111042124B (en) | 2020-11-13 |
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| CN201911251552.9A Expired - Fee Related CN111042124B (en) | 2019-12-09 | 2019-12-09 | Multifunctional pile casing suitable for sludge bottom layer and construction method adopting pile casing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114525780B (en) * | 2022-02-14 | 2023-10-20 | 中国水利水电第七工程局有限公司 | Improved method for long casing installation process of bored pile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924028A (en) * | 1982-08-02 | 1984-02-07 | Matsuzawa Kiko:Kk | Setting of large-diameter casing and casing thereof |
| JP2614287B2 (en) * | 1988-10-20 | 1997-05-28 | 新日本製鐵株式会社 | Method of constructing cylindrical structure and steel segment for construction |
| CN101545256B (en) * | 2008-03-28 | 2012-05-23 | 中铁十三局集团第三工程有限公司 | Method for treating collapsed holes of bored piles by protective cylinder of steel reinforcement cage under geological conditions of silt stratification |
| CN102808411A (en) * | 2011-06-01 | 2012-12-05 | 五冶集团上海有限公司 | Bored cast-in-place pile casing and using method thereof |
| CN204080863U (en) * | 2014-07-21 | 2015-01-07 | 安徽鼎久工贸有限公司 | Inspection shaft construction protection cylinder |
| CN205617366U (en) * | 2016-04-13 | 2016-10-05 | 上海绿地建设(集团)有限公司 | A section of thick bamboo is protected in combination of pile foundation construction |
| CN206646493U (en) * | 2017-01-22 | 2017-11-17 | 深圳市正兴基础建筑工程有限公司 | A kind of bored concrete pile suitable for solution cavity geology |
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