CN109440762A - A kind of construction method of drainage pumping plant bored concrete pile - Google Patents
A kind of construction method of drainage pumping plant bored concrete pile Download PDFInfo
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- CN109440762A CN109440762A CN201811351688.2A CN201811351688A CN109440762A CN 109440762 A CN109440762 A CN 109440762A CN 201811351688 A CN201811351688 A CN 201811351688A CN 109440762 A CN109440762 A CN 109440762A
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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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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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
- E02D5/66—Mould-pipes or other moulds
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- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of construction methods of drainage pumping plant bored concrete pile, comprising the following steps: (1) preparation of construction；(2) surveying and locating；(3) installation of locating piece；(4) protecting tube embedding；(5) concreting.The present invention provides a kind of technical solutions of the construction method of drainage pumping plant bored concrete pile, it is reasonable in design, it is easy for construction, steel pile casting it is embedded before, locating piece first is installed on construction stake position, steel pile casting is firmly limited in limit conduit by the design of locating piece, ensure the verticality of subsequent protecting tube embedding, effectively steel pile casting is avoided to deviate, simplify the embedded step of subsequent steel pile casting, improve the precise positioning of protecting tube embedding position, and locating piece can also the soil to the periphery in pile hole carry out compacting setting, it effectively prevent the deformation in pile aperture, it collapses.
Description
Technical field
The present invention relates to a kind of construction methods of drainage pumping plant bored concrete pile.
Background technique
Bored concrete pile is a kind of pore-forming in place, concrete perfusion or armored concrete and manufactured stake.There are commonly: (1) it bores
Hole pouring pile: with pore-forming concrete perfusion and the pile on the spot such as twist bit, diving drill machine, when construction is without friction, not soil compaction, but
The settling amount of stake is slightly larger.The auger principles of action are used for cohesive soil, sand and the artificial earth fill etc. of level of ground water or more, what drilling was got off
Helical blade rising of the soil block on drilling rod is easily discharged out of the hole, and aperture 300mm or so, 8~12m of drilling depth according to soil property and contain
Water selects drilling rod.Diving drill machine is preferably used for cohesive soil, sand, mud and muck soil etc., is suitable for level of ground water higher especially
Pore-forming in soil layer.It is to prevent the hole mud off that collapses when drilling.It is crept into clay with clear water, makes mud off certainly；In sand
In should inject the mud drilling of preparation.The soil bits excluded under drilling are recycled using mud, are drilled into after requiring depth and are wanted borehole cleaning to arrange
Except the soil bits for sinking to bottom hole, the settling amount of stake is reduced.It is promoted and applied in the heavy constructions such as skyscraper and bridge at present big
Diameter bores bored concrete pile is mostly used the construction of this method, stake diameter mostly in 1m or more, stake bottom can also reaming, single pile bearing capacity is up to thousands of
Ton.(2) driven cast-in-place pile: the steel pipe with armored concrete shoe (pile top) or valve type pile shoe is sunk to hammering or vibration
In soil, then concrete perfusion tube drawing and pile simultaneously.Bored concrete pile is hit with hammer hidden pipe, tube drawing person's counterweight；With the vibration of vibration excitor
Dynamic immersed tube, tube drawing person claim vibrex pile.This method pile easily occurs broken pile, necking down, hangs foot stake, shoe water inlet and into disadvantages such as mud
Disease pays attention in construction checking and handling in time.In addition, also useful explosive makes stake holes bottom form enlarged footing to increase bearing capacity
Explosive expansion bored concrete pile.
In the prior art, driven cast-in-place pile during actual construction, has higher requirement for the embedment verticality of steel pipe.And
In actual operation, steel pipe is during embedment, and verticality deviation frequent occurrence causes in actual pile hole and stake position
The deviation occurred at the heart can be greater than the value of setting, increase the probability to collapse at stake holes mouth, cause some potential safety problems.And
And steel pipe perpendicularity deviation it is larger when, will lead to drill bit and be drilled down under the guidance of steel pile casting, it is likely that entire pore-forming
Verticality cause serious adverse effect even to form useless hole, increase construction cost and construction period.
Summary of the invention
Present invention aims at provide a kind of applying for drainage pumping plant bored concrete pile for deficiency of the prior art
The technical solution of work method, reasonable in design, easy for construction, before protecting tube embedding, it is fixed first to install on construction stake position
Steel pile casting is firmly limited in limit conduit by position part by the design of locating piece, it is ensured that the verticality of subsequent protecting tube embedding,
Effectively steel pile casting is avoided to deviate, simplifies the embedded step of subsequent steel pile casting, improves the precise positioning of protecting tube embedding position,
And locating piece can also the soil to the periphery in pile hole carry out compacting setting, effectively prevent pile aperture deformation, collapse.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is a kind of construction of drainage pumping plant bored concrete pile
Method, which comprises the following steps:
(1) preparation of construction；
(2) surveying and locating:
Selected measurement basic point, treats construction ground according to measurement basic point and carries out closure measurement, according to design drawing and practically
Shape measuring stake position, and in stake position center position using light tone label mark；
(3) installation of locating piece:
A, the locating rod of a 40cm is inserted into stake position center position first, it is ensured that the verticality of locating rod, and it is fixed
The bottom end of position bar is inserted into 15-20cm in soil；
B, then carry out fixing steel plate installation, fixing steel plate is lain in a horizontal plane at stake position, it is ensured that locating rod it is exposed
The rod segment of upper end is fully located at the positioning hole at fixing steel plate center, then adjusts the position of fixing steel plate, until location hole
Center is right against the top surface of locating rod, then is consolidated the installation between four round angle of fixing steel plate and ground using foundation bolt
It is fixed, then locating rod is extracted from stake position；
C, the slotting ring for limiting conduit bottom is snapped onto positioning hole completely, then turned by the installation for carrying out limit conduit again
Dynamic limit conduit, until the fixed plate of limit conduit two sides of the bottom respectively with two regulating tanks symmetrically arranged on fixing steel plate just
Fixed plate and fixing steel plate installation are fixed to opposite, then by screw；
D, the installation of position-limited rack is then carried out:
1. the installation of L-type folded plate is first carried out, to limit a diameter of conduit as hookup wire, it is ensured that symmetrical on fixing steel plate
Two L-type folded plates are then separately mounted to the both ends of hookup wire, really about the hookup wire central symmetry by two slots being arranged
The lateral wall touching of the perpendicular end surface and limit conduit of protecting two L-type folded plates pushes against, then passes through screw for L-type folded plate and positioning steel
Plate installation is fixed；
2. two depression bar assemblies are separately mounted to the outside of two L-type folded plates again, two in depression bar assembly are vertical
The bottom of compression bar is respectively clamped into two regulating tanks, until the stop collar on vertical compression bar is touched with the top surface of fixing steel plate；
3. then consolidate the installation of bar, two depression bar assemblies are first moved respectively to the both ends of regulating tank, then limiting
The two sides of position conduit are installed respectively consolidates bar, one end that two are consolidated bar is clamped with corresponding lateral compression bar, it is ensured that laterally pressure
Bar is connected in the card slot for consolidating bar, then adjust and consolidate bar clamping lateral compression bar position, until the transverse direction compression bar and
Abutting is touched in the end face of corresponding L-type folded plate, while the limited post on L-type folded plate runs through the perforation on lateral compression bar, then uses
Stop nut will limit the position tightened, then adjust the depression bar assembly of the other side between limited post and lateral compression bar, so that the pressure
Lateral compression bar in bar assembly, which snaps onto, to be consolidated in the card slot of the bar other end, then proceedes to the position for adjusting the transverse direction compression bar, directly
Abutting is touched with the end face of corresponding L-type folded plate to lateral compression bar, while the limited post on L-type folded plate runs through on lateral compression bar
Perforation, then will be limited and be tightened between limited post and lateral compression bar with stop nut, by stop collar and steel is positioned finally by screw
It installs and fixes between plate；
E, plate is finally inserted into two slots on fixing steel plate, the position of bar is consolidated in adjustment, it is ensured that consolidates bar
Both ends are bonded with the end face of the plate of two sides respectively, and the bottom of plate is inserted into 20-30cm in soil, then adjust two
A position for consolidating bar on lateral compression bar, it is ensured that two are consolidated the two sides that bar is symmetricly set on limit conduit, then pass through screw
The end for consolidating bar and plate installation are positioned；
(4) protecting tube embedding:
Steel pile casting is sling by crane, then steel pile casting is led toward decentralization so that the bottom of steel pile casting is fully located at limit
The taper in tube top portion is led in bucket, then continues to down hang steel pile casting, and steel pile casting snaps onto limit conduit, continues to protect steel
Cylinder adjusts the position of steel pile casting toward decentralization, so that steel pile casting just snaps onto slotting ring, then applies pressure at right angle and protects steel
Cylinder is placed into the soil, until steel pile casting is embedded to specified hole depth, and will be at steel pile casting center using the cooperation of drill hammer and grab bucket
The soil body remove, formed pile hole；
(5) concreting:
First just enter the steel reinforcement cage made, then the tripping in conduit in steel reinforcement cage in pile hole, then by conduit to stake
Concrete perfusion in post holes up pulls out steel pile casting in perfusion, until steel pile casting is extracted completely, pile is perfused.
Further, in step (4), when burying steel pile casting, the length of embedment of steel pile casting is subjected to segmentation progress, is buried every time
After entering 50-60cm, first drill hammer is extended vertically into and is drilled at steel pile casting center, then extend into steel pile casting with grab bucket
The heart digs the soil body at steel pile casting center outward, so recycles, until steel pile casting is embedded to specified hole depth, steel pile casting is buried every time
The depth entered is defined, then while ensure construction efficiency, and may insure the verticality of steel pile casting, it is ingenious in design rationally,
It is easy for construction simple, so that the sound construction in pile hole after molding, is not easy Collapse Deformation.
Further, the step d of step (3) the step of 3. in, consolidate two slots on the total length and fixing steel plate of bar
Between minimum distance it is equal, it is ensured that in actual installation, consolidate bar and be just connected between two plates being inserted into slot,
Convenient for consolidating the installation positioning of bar in order to the installation positioning between water channel plate and connecting plate, smart structural design is reasonable, construction
It is easy for installation simple.
Further, the step d of step (3) the step of 3. in, consolidate the card slot at bar both ends height and lateral compression bar
It is highly equal, it is ensured that when installation, lateral compression bar is just snapped onto card slot, limits the downward shift of lateral compression bar.
Further, in step (4), the outer diameter of steel pile casting and the internal diameter of slotting ring are equal, the outer diameter of steel pile casting
Size is less than the internal diameter of limit conduit, by limiting the outer diameter of steel pile casting, thus more meet actual operation requirement,
It is ingenious in design reasonable, since the internal diameter of limit conduit is greater than the outer diameter of steel pile casting, so that crane is easy for steel
The bottom of casing is placed into limit conduit, to tentatively be limited by limiting conduit to steel pile casting, is then again protected steel
Cylinder is hung down along limit conduit continuation, is finely adjusted to the position of steel pile casting, so that steel pile casting just snaps onto slotting ring,
Steel pile casting progress is further accurately positioned by slotting ring, so that steel pile casting is firmly limited in slotting ring, thus effectively
Ensure the whole verticality of steel pile casting, and in subsequent construction, without often carrying out the measurement of verticality to steel pile casting, has
Effect simplifies construction procedure.
Further, in step (4), after steel pile casting is embedded to soil, it is ensured that the tip height of steel pile casting is above the ground level
The top of steel pile casting is disposed above the bottom surface at least design of 0.5m by least 0.5m, when can prevent pouring construction in stake holes
Mud it is excessive out of stake holes construction site is polluted, while causing certain resource loss again, mounting structure design is closed
Reason, actual pouring construction of being more convenient for.
The present invention is by adopting the above-described technical solution, have the advantages that
Whole design of the invention is ingenious rationally, constructs convenient for actual operation, can be with by the design of installation locating piece
Ensure that the center location of steel pile casting plane is consistent with pile design centre always, is installed to so that steel reinforcement cage be reduced or avoided
Collide between the hole wall of when in pile hole and pile hole so that subsequent steel reinforcement cage hang operation it is simpler, avoid hanging
The hole wall that steel reinforcement cage deformation occurs, collides and destroy mud film and pile hole in journey reduces the probability that hole wall collapses, and can
Whole verticality with the pile hole for ensuring to be formed avoids steel pile casting that knockdown phenomenon occurs, to the vertical of entire pile hole
Degree causes serious adverse effect even to form useless hole to be made so can effectively ensure the quality of pore-forming by locating piece
The load of pile after must being perfused reaches specified design standard, improves the structural strength and quality of pile, extends making for pile
With the service life, while being also convenient for subsequent impacts drill bit and when grab bucket carries out operation to the soil body in steel pile casting, avoiding drill hammer or turn
Bucket occurs blocking firm situation when operation in steel pile casting, so that actual operation operation of being more convenient for, reduces operation difficulty.
By first carrying out the installation of locating piece before steel pile casting is embedded in the present invention, it can be ensured that in whole installation process
The whole verticality of steel pile casting, at the same ensure the center location of steel pile casting always with the design centre of pile always, practical operation
In, since the self gravity of steel pile casting is larger, when ensuring the verticality on steel pile casting top, the lower part of steel pile casting is in self gravity
Effect is lower to keep vertically declining, by limiting the ingehious design of conduit in locating piece in the present invention, so that the top of steel pile casting is begun
Eventually firmly including clip, to effectively ensure the verticality on steel pile casting top, and then guarantee the whole verticality of steel pile casting, so that
The verticality in molding pile hole is guaranteed, while in locating piece installation, guarantees positioning by the subsidiary of locating rod
The center of location hole on steel plate always with pile design centre position consistency, so that it is guaranteed that the center of circle of subsequent steel pile casting
Position and pile design centre position consistency, compared with the existing technology in steel pile casting it is embedded during, repeatedly to steel pile casting
Verticality carry out the design of actual measurement so that integral construction enhanced convenience, and in the prior art due to steel pile casting
Top does not have binding force, so steel pile casting is easy to happen deflection in embedded process middle and upper part, and the self gravity of steel pile casting compared with
Greatly, so repeatedly being measured to steel pile casting verticality and correction will increase construction cost and labor intensity, and only
The detection of verticality is carried out by simple horizontal ruler or plumb bob, artificial measurement error rate is larger, leads to pile position deviation not
Stablize.
Locating piece is carried out assembled fixed by multiple component parts in the present invention, and when installation carries out gradually multiple component parts
Installation effectively ensures the precise positioning between the location hole in locating piece on fixing steel plate and design stake holes, relative to directly right
Steel pile casting carries out position adjustment and operation, effectively simplifies constructing operation step, by fixing steel plate to the periphery soil of design stake holes
Earth carries out smooth compacting, improves the structural stability of Soil Surrounding, and the design of location hole can be pre- at fixing steel plate center
Stake holes is reserved, is clamped convenient for the positioning of subsequent steel pile casting, while will be fixed between fixing steel plate and ground by foundation bolt, is had
Effect avoids the movement of fixing steel plate, and the design by limiting conduit can be defined steel pile casting, so that the center of circle of steel pile casting
Position remain with design the center of stake holes it is consistent, improve pore-forming quality, limit conduit self by screw with
Fixing steel plate is fixed, then is matched further firmly limit to the position of limit conduit with position-limited rack and be clamped, position-limited rack
In L-type folded plate clampings be defined to the two sides of limit conduit, then it is further to conduit is limited by the depression bar assembly of two sides
Positioning is compressed, the lateral compression bar of two sides carries out compression positioning to L-type folded plate, limits indirectly to limit conduit, while L-type is rolled over
Limited post on plate passes through stop nut again and lateral compression bar further tightens fixation, further increases lateral compression bar and L-type is rolled over
Performance is firmly installed between plate, and the both ends of lateral compression bar are by vertical compression bar and the further location and installation of fixing steel plate,
To effectively ensure the bonding strength between position-limited rack and fixing steel plate, then passes through plate and fixing steel plate is fixed again,
The bottom of plate is inserted into certain depth in soil to effectively ensure the installation fastness between fixing steel plate and ground, in turn
The stable structure and fastness of entire locating piece are improved, so that it is guaranteed that the center of limit conduit is consistent with design stake holes center,
It can be indirectly connected between two plates finally by part is consolidated not only, but also the longitudinal inclined of lateral compression bar can be limited
It moves, effectively ensures the structural strength of entire locating piece, it is ensured that will not be due to hitting when subsequent steel pile casting enters in limit conduit
Etc. cause limit conduit shift.
It is reasonable in design the present invention provides a kind of technical solution of the construction method of drainage pumping plant bored concrete pile, it applies
Work is convenient, steel pile casting it is embedded before, locating piece first is installed on construction stake position, by the design of locating piece by steel pile casting jail
Jail is limited in limit conduit, it is ensured that the verticality of subsequent protecting tube embedding effectively avoids steel pile casting from deviating, and simplification is subsequent
The embedded step of steel pile casting improves the precise positioning of protecting tube embedding position, and locating piece can also be to the periphery in pile hole
Soil carry out compacting setting, effectively prevent pile aperture deformation, collapse.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the positional structure schematic diagram of locating rod and steel pile casting in the present invention；
Fig. 2 is the mounting structure schematic diagram of centerboard of the present invention and fixing steel plate；
Fig. 3 is the structural schematic diagram of locating piece in the present invention；
Fig. 4 is the mounting structure schematic diagram of depression bar assembly and L-type folded plate in the present invention；
Fig. 5 is the mounting structure schematic diagram that conduit and fixing steel plate are limited in the present invention；
Fig. 6 is the structural schematic diagram that conduit is limited in the present invention；
Fig. 7 is the mounting structure schematic diagram of position-limited rack and fixing steel plate in the present invention；
Fig. 8 is the structural schematic diagram of depression bar assembly in the present invention.
In figure: 1- locating piece；2- fixing steel plate；3- location hole；4- mounting hole；5- limits conduit；6- slotting ring；7- is adjusted
Slot；8- screw；9-L type folded plate；10- slot；11- depression bar assembly；The vertical compression bar of 12-；13- stop collar；14- consolidates bar；15- is horizontal
To compression bar；16- limited post；17- perforation；18- stop nut；19- plate；20- steel pile casting；21- fixed plate；22- taper leads bucket；
23- position-limited rack；24- card slot.
Specific embodiment
It as shown in Figures 1 to 8, is a kind of construction method of drainage pumping plant bored concrete pile of the present invention, which is characterized in that including
Following steps:
(1) preparation of construction；
(2) surveying and locating:
Selected measurement basic point, treats construction ground according to measurement basic point and carries out closure measurement, according to design drawing and practically
Shape measuring stake position, and in stake position center position using light tone label mark, convenient for the subsequent tune to 3 center of location hole
It is whole；
(3) installation of locating piece 1:
A, the locating rod of a 40cm is inserted into stake position center position first, it is ensured that the verticality of locating rod, and it is fixed
The bottom end of position bar is inserted into 15-20cm in soil；
B, the installation for then carrying out fixing steel plate 2, fixing steel plate 2 is lain in a horizontal plane at stake position, it is ensured that locating rod is exposed
Rod segment in upper end is fully located in the location hole 3 at 2 center of fixing steel plate, then adjusts the position of fixing steel plate 2, until positioning
The center in hole 3 is right against the top surface of locating rod, then uses foundation bolt by the peace between 2 four round angle of fixing steel plate and ground
Dress is fixed, and foundation bolt is fixed by mounting hole 4 with ground, then extracts locating rod from stake position；
C, the slotting ring 6 for limiting 5 bottom of conduit is snapped onto location hole 3 completely, is connect by the installation for carrying out limit conduit 5 again
Rotary spacing conduit 5, until the fixed plate 21 of limit 5 two sides of the bottom of conduit is respectively on fixing steel plate 2 symmetrically arranged two
A 7 face of regulating tank is opposite, then is fixed fixed plate 21 and the installation of fixing steel plate 2 by screw 8；
D, the installation of position-limited rack 23 is then carried out:
1. the installation of L-type folded plate 9 is first carried out, to limit a diameter of conduit 5 as hookup wire, it is ensured that on fixing steel plate 2
Two L-type folded plates 9 are then separately mounted to hookup wire about the hookup wire central symmetry by symmetrically arranged two slots 10
Both ends, it is ensured that the perpendicular end surface of two L-type folded plates 9 and the lateral wall of limit conduit 5 are touched and pushed against, then are rolled over L-type by screw 8
Plate 9 and the installation of fixing steel plate 2 are fixed；
2. two depression bar assemblies 11 to be separately mounted to the outside of two L-type folded plates 9 again, by two in depression bar assembly 11
The bottom of vertical compression bar 12 is respectively clamped into two regulating tanks 7, until stop collar 13 and fixing steel plate 2 on vertical compression bar 12
Top surface touch；
3. then consolidate the installation of bar 14, two depression bar assemblies 11 are first moved respectively to the both ends of regulating tank 7, then
It is installed respectively in the two sides of limit conduit 5 and consolidates bar 14, one end that two are consolidated bar 14 is clamped with corresponding lateral compression bar 15,
Ensure that lateral compression bar 15 is connected in the card slot 24 for consolidating bar 14, then adjusts and consolidate the position for the lateral compression bar 15 that bar 14 is clamped
It sets, until the transverse direction compression bar 15 touches abutting with the end face of corresponding L-type folded plate 9, while the limited post 16 on L-type folded plate 9 passes through
The perforation 17 on lateral compression bar 15 is worn, then will be limited and tightened between limited post 16 and lateral compression bar 15 with stop nut 18, then
The position of the depression bar assembly 11 of the other side is adjusted, to consolidate bar 14 another so that the lateral compression bar 15 in the depression bar assembly 11 snaps onto
In the card slot 24 at end, the position for adjusting the transverse direction compression bar 15 is then proceeded to, up to lateral compression bar 15 and corresponding L-type folded plate 9
Abutting is touched in end face, while the limited post 16 on L-type folded plate 9 runs through the perforation 17 on lateral compression bar 15, then with stop nut 18
It tightens being limited between limited post 16 and lateral compression bar 15, will be installed between stop collar 13 and fixing steel plate 2 finally by screw 8
Fixed, the total length for consolidating bar 14 is equal with the minimum distance on fixing steel plate 2 between two slots 10, it is ensured that actual installation
In, consolidate bar 14 and be just connected between two plates 19 being inserted into slot 10, convenient for consolidate bar 14 installation positioning with
Convenient for the installation positioning between water channel plate and connecting plate, smart structural design is reasonable, and construction and installation are convenient and simple, consolidates 14 liang of bar
The height of the card slot 24 at end is equal with the lateral height of compression bar 15, it is ensured that when installation, lateral compression bar 15 just snaps onto card slot 24
It is interior, limit the downward shift of lateral compression bar 15；
E, plate 19 is finally inserted into two slots 10 on fixing steel plate 2, the position of bar 14 is consolidated in adjustment, it is ensured that consolidates
The both ends of solid rod 14 are bonded with the end face of the plate 19 of two sides respectively, and the bottom of plate 19 is inserted into 20- in soil
30cm then adjusts two and consolidates position of the bar 14 on lateral compression bar 15, it is ensured that consolidates bar 14 for two and be symmetricly set on limit
The two sides of conduit 5, then positioned the end for consolidating bar 14 and the installation of plate 19 by screw 8；
(4) steel pile casting 20 is embedded:
Steel pile casting 20 is sling by crane, then by steel pile casting 20 toward decentralization, so that the bottom of steel pile casting 20 is fully located at
The taper at 5 top of limit conduit is led in bucket 22, then continues to down hang steel pile casting 20, steel pile casting 20 snaps onto limit conduit
In 5, continue steel pile casting 20 adjusting the position of steel pile casting 20 toward decentralization, so that steel pile casting 20 just snaps onto slotting ring 6,
Then apply pressure at right angle steel pile casting 20 is placed into the soil, until steel pile casting 20 is embedded to specified hole depth, and use drill hammer
The soil body at 20 center of steel pile casting is removed in cooperation with grab bucket, forms pile hole, when burying steel pile casting 20, by steel pile casting 20
Length of embedment carries out segmentation progress, every time be embedded to 50-60cm after, first by drill hammer extend vertically at 20 center of steel pile casting into
Row drilling, then extend into 20 center of steel pile casting with grab bucket and dig the soil body at 20 center of steel pile casting outward, it so recycles, until by steel
Casing 20 is embedded to specified hole depth, while the depth that steel pile casting 20 is embedded to every time is defined, then ensures construction efficiency, again
It may insure the verticality of steel pile casting 20, it is ingenious in design reasonable, it is easy for construction simple, so that the structure jail in pile hole after molding
Gu being not easy Collapse Deformation, the outer diameter of steel pile casting 20 is equal with the internal diameter of slotting ring 6, and the outer diameter of steel pile casting 20 is small
In the internal diameter of limit conduit 5, by limiting the outer diameter of steel pile casting 20, thus more meet actual operation requirement, if
It is ingenious reasonable to count, since the internal diameter of limit conduit 5 is greater than the outer diameter of steel pile casting 20, so that crane is easy for steel
The bottom of casing 20 is placed into limit conduit 5, to tentatively be limited by limiting conduit 5 to steel pile casting 20, then again
Steel pile casting 20 is hung down along the limit continuation of conduit 5, the position of steel pile casting 20 is finely adjusted, so that steel pile casting 20 is just
It snaps onto slotting ring 6, steel pile casting 20 further accurately position by slotting ring 6, so that steel pile casting 20 is firmly limited
It is scheduled in slotting ring 6, to effectively ensure the whole verticality of steel pile casting 20, and in subsequent construction, without often to steel
Casing 20 carries out the measurement of verticality, construction procedure is effectively simplified, after steel pile casting 20 is embedded to soil, it is ensured that steel pile casting 20
Tip height be above the ground level at least 0.5m, the top of steel pile casting 20 is disposed above the bottom surface at least design of 0.5m, can be with
It prevents mud when pouring construction in stake holes is excessive out of stake holes from polluting to construction site, while causing certain resource again
Loss, mounting structure design is reasonable, actual pouring construction of being more convenient for；
(5) concreting:
First just enter the steel reinforcement cage made, then the tripping in conduit in steel reinforcement cage in pile hole, then by conduit to stake
Concrete perfusion in post holes up pulls out steel pile casting 20 in perfusion, until steel pile casting 20 is extracted completely, pile is perfused.
The present invention is by adopting the above-described technical solution, have the advantages that
Whole design of the invention is ingenious rationally, constructs convenient for actual operation, can by installing the design of locating piece 1
To ensure that the center location of 20 plane of steel pile casting is consistent with pile design centre always, so that steel reinforcement cage peace be reduced or avoided
Collide between the hole wall of when being attached in pile hole and pile hole so that subsequent steel reinforcement cage hang operation it is simpler, avoid hanging
The hole wall that steel reinforcement cage deformation occurs, collides and destroy mud film and pile hole during putting reduces the probability that hole wall collapses,
It may insure the whole verticality in pile hole to be formed again, avoid steel pile casting 20 that knockdown phenomenon occurs, to entire pile hole
Verticality cause serious adverse effect even to form useless hole, so can effectively ensure pore-forming by locating piece 1
Quality improves the structural strength and quality of pile so that the load of the pile after perfusion reaches specified design standard, extends stake
The service life of column, at the same be also convenient for subsequent impacts drill bit and grab bucket in steel pile casting 20 soil body carry out operation when, avoid impacting
Drill bit or rotating bucket occur blocking firm situation when operation in steel pile casting 20, so that actual operation operation of being more convenient for, it is difficult to reduce operation
Degree.
By first carrying out the installation of locating piece 1 before the embedment of steel pile casting 20 in the present invention, it can be ensured that entirely installed
The whole verticality of steel pile casting 20 in journey, at the same ensure the center location of steel pile casting 20 always with the design centre of pile always,
In practical operation, since the self gravity of steel pile casting 20 is larger, when ensuring the verticality on 20 top of steel pile casting, steel pile casting 20
Lower part keeps vertically declining under self gravitation effect, by limiting the ingehious design of conduit 5 in locating piece 1 in the present invention, makes
Steel pile casting 20 top always firmly including clip, to effectively ensure the verticality on 20 top of steel pile casting, and then guarantee steel
The whole verticality of casing 20 so that the verticality in molding pile hole is guaranteed, while when locating piece 1 is installed, passing through
The subsidiary of locating rod guarantee the center of the location hole 3 on fixing steel plate 2 always with pile design centre position consistency,
So that it is guaranteed that the center location of subsequent steel pile casting 20 and pile design centre position consistency, compared with the existing technology in protected in steel
Cylinder 20 it is embedded during, the design of actual measurement is repeatedly carried out to the verticality of steel pile casting 20, so that integral construction is more
It is convenient, and in the prior art since the top of steel pile casting 20 does not have binding force, so steel pile casting 20 is in embedded process middle and upper part
It is easy to happen deflection, and the self gravity of steel pile casting 20 is larger, so repeatedly 20 verticality of steel pile casting is measured and entangled
It just will increase construction cost and labor intensity, and carry out the inspection of verticality simply by simple horizontal ruler or plumb bob
It surveys, artificial measurement error rate is larger, causes pile position deviation unstable.
Locating piece 1 is carried out assembled fixed by multiple component parts in the present invention, when installation to multiple component parts carry out by
Step installation effectively ensures the precise positioning between the location hole 3 in locating piece 1 on fixing steel plate 2 and design stake holes, relative to straight
It connects and position adjustment and operation is carried out to steel pile casting 20, effectively simplify constructing operation step, design stake holes by 2 pairs of fixing steel plate
Soil Surrounding carries out smooth compacting, improve the structural stability of Soil Surrounding, and location hole 3 is set at 2 center of fixing steel plate
Meter can reserve stake holes, be clamped convenient for the positioning of subsequent steel pile casting 20, while pass through foundation bolt for fixing steel plate 2 and ground
Between it is fixed, effectively avoid the movement of fixing steel plate 2, the design by limiting conduit 5 can be defined steel pile casting 20, make
The center location for obtaining steel pile casting 20 remains consistent with the design center of stake holes, improves pore-forming quality, limit is led
Pipe 5 is fixed self by screw 8 and fixing steel plate 2, then matches with position-limited rack 23 and further carry out to the position of limit conduit 5
It firmly limits and clamps, the two sides of 9 pairs of limit conduits 5 of L-type folded plate in position-limited rack 23 are defined clamping, then pass through two sides
11 pairs of limit conduits 5 of depression bar assembly further compress positioning, and the lateral compression bar 15 of two sides carries out compression positioning to L-type folded plate 9,
Connect and limit conduit 5 limited, at the same the limited post 16 on L-type folded plate 9 again by stop nut 18 and lateral compression bar 15 into
One step tightens fixation, further increases the performance that firmly installs between lateral compression bar 15 and L-type folded plate 9, and lateral compression bar 15
Both ends are by vertical compression bar 12 and the further location and installation of fixing steel plate 2, to effectively ensure position-limited rack 23 and fixing steel plate 2
Between bonding strength, then fixing steel plate 2 is fixed again by plate 19, the bottom of plate 19 is inserted into one in soil
Depthkeeping degree is to effectively ensure the installation fastness between fixing steel plate 2 and ground, and then the structure for improving entire locating piece 1 is steady
Fixed and fastness, so that it is guaranteed that the center of limit conduit 5 is consistent with design stake holes center, it both can be right finally by part is consolidated
It is indirectly connected between two plates 19, while the vertical misalignment of lateral compression bar 15 can be limited again, it is entirely fixed effectively to ensure
The structural strength of position part 1, it is ensured that limit conduit will not be caused when subsequent steel pile casting 20 enters in limit conduit 5 due to shock etc.
5 shift.
It is reasonable in design the present invention provides a kind of technical solution of the construction method of drainage pumping plant bored concrete pile, it applies
Work is convenient, steel pile casting 20 it is embedded before, locating piece 1 is first installed on construction stake position, is protected steel by the design of locating piece 1
Cylinder 20 is firmly limited in limit conduit 5, it is ensured that the inbuilt verticality of subsequent steel pile casting 20 effectively avoids steel pile casting 20 from occurring partially
Difference simplifies the embedded step of subsequent steel pile casting 20, improves the precise positioning of 20 burial place of steel pile casting, and locating piece 1 can also
Compacting setting is carried out with the soil on the periphery to pile hole, the deformation in pile aperture is effectively prevent, collapses.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (6)
1. a kind of construction method of drainage pumping plant bored concrete pile, which comprises the following steps:
(1) preparation of construction；
(2) surveying and locating:
Selected measurement basic point, treats construction ground according to measurement basic point and carries out closure measurement, surveyed according to design drawing and actual landform
Stake position is put, and in stake position center position using light tone label mark；
(3) installation of locating piece:
A, the locating rod of a 40cm is inserted into stake position center position first, it is ensured that the verticality of locating rod, and locating rod
Bottom end be inserted into 15-20cm in soil；
B, the installation for then carrying out fixing steel plate, fixing steel plate is lain in a horizontal plane at stake position, it is ensured that locating rod is exposed in upper end
Rod segment be fully located at the positioning hole at fixing steel plate center, the position of fixing steel plate is then adjusted, until the center of location hole
Position is right against the top surface of locating rod, then is fixed the installation between four round angles of fixing steel plate and ground using foundation bolt,
Then locating rod is extracted from stake position；
C, the slotting ring for limiting conduit bottom is snapped onto positioning hole, then rotation limit by the installation for carrying out limit conduit again completely
Position conduit, until limit conduit two sides of the bottom fixed plate respectively with two regulating tanks face phase symmetrically arranged on fixing steel plate
To, then fixed plate and fixing steel plate are installed by screw and fixed；
D, the installation of position-limited rack is then carried out:
1. the installation of L-type folded plate is first carried out, to limit a diameter of conduit as hookup wire, it is ensured that be symmetrical arranged on fixing steel plate
Two slots about the hookup wire central symmetry, two L-type folded plates are then separately mounted to the both ends of hookup wire, it is ensured that two
The perpendicular end surface of a L-type folded plate and the lateral wall of limit conduit are touched and are pushed against, then are pacified L-type folded plate and fixing steel plate by screw
Dress is fixed；
2. two depression bar assemblies to be separately mounted to the outside of two L-type folded plates again, by two vertical compression bars in depression bar assembly
Bottom be respectively clamped into two regulating tanks, until vertical compression bar on stop collar touched with the top surface of fixing steel plate；
3. then consolidate the installation of bar, two depression bar assemblies are first moved respectively to the both ends of regulating tank, then lead in limit
The two sides of pipe are installed respectively consolidates bar, one end that two are consolidated bar is clamped with corresponding lateral compression bar, it is ensured that lateral compression bar card
Connect in the card slot for consolidating bar, then adjust and consolidate bar clamping lateral compression bar position, until the transverse direction compression bar with it is corresponding
The end face of L-type folded plate touch abutting, while the limited post on L-type folded plate runs through the perforation on lateral compression bar, then with limit
Nut will limit the position tightened, then adjust the depression bar assembly of the other side between limited post and lateral compression bar, so that the compression bar group
Lateral compression bar in part, which snaps onto, to be consolidated in the card slot of the bar other end, and the position for adjusting the transverse direction compression bar is then proceeded to, until horizontal
Abutting is touched with the end face of corresponding L-type folded plate to compression bar, while the limited post on L-type folded plate runs through wearing on lateral compression bar
Hole, then will be limited and be tightened between limited post and lateral compression bar with stop nut, finally by screw by stop collar and fixing steel plate
Between install fix；
E, plate is finally inserted into two slots on fixing steel plate, the position of bar is consolidated in adjustment, it is ensured that consolidates the both ends of bar
It is bonded respectively with the end face of the plate of two sides, and the bottom of plate is inserted into 20-30cm in soil, then adjust two Gongs
Position of the solid rod on lateral compression bar, it is ensured that two are consolidated the two sides that bar is symmetricly set on limit conduit, then will be consolidated by screw
The end of solid rod and plate installation position；
(4) protecting tube embedding:
Steel pile casting is sling by crane, then by steel pile casting toward decentralization, so that the bottom of steel pile casting is fully located at limit conduit top
The taper in portion is led in bucket, then continues to down hang steel pile casting, and steel pile casting snaps onto limit conduit, is continued steel pile casting is past
Decentralization, adjusts the position of steel pile casting, so that steel pile casting just snaps onto slotting ring, then applies pressure at right angle and buries steel pile casting
Enter soil, until steel pile casting is embedded to specified hole depth, and uses the cooperation of drill hammer and grab bucket by the soil at steel pile casting center
Body is removed, and pile hole is formed；
(5) concreting:
First just enter the steel reinforcement cage made, then the tripping in conduit in steel reinforcement cage in pile hole, then by conduit to pile hole
Interior concrete perfusion up pulls out steel pile casting in perfusion, until steel pile casting is extracted completely, pile is perfused.
2. a kind of construction method of drainage pumping plant bored concrete pile according to claim 1, it is characterised in that: in the step
(4) in, when burying steel pile casting, the length of embedment of steel pile casting is subjected to segmentation progress, it, first will impact after being embedded to 50-60cm every time
Drill bit extends vertically into drill at steel pile casting center, then extend into steel pile casting center for the soil body at steel pile casting center with grab bucket
It digs, so recycles outward, until steel pile casting is embedded to specified hole depth.
3. a kind of construction method of drainage pumping plant bored concrete pile according to claim 1, it is characterised in that: in the step
(3) the step of step d 3. in, the total length for consolidating bar is equal with the minimum distance on fixing steel plate between two slots.
4. a kind of construction method of drainage pumping plant bored concrete pile according to claim 1, it is characterised in that: in the step
(3) the step of step d 3. in, the height for consolidating the card slot at bar both ends is equal with the lateral height of compression bar.
5. a kind of construction method of drainage pumping plant bored concrete pile according to claim 1, it is characterised in that: in the step
(4) in, the outer diameter of steel pile casting and the internal diameter of slotting ring are equal, and the outer diameter of steel pile casting is less than the internal diameter of limit conduit
Size.
6. a kind of construction method of drainage pumping plant bored concrete pile according to claim 1, it is characterised in that: in the step
(4) in, after steel pile casting is embedded to soil, it is ensured that the tip height of steel pile casting is above the ground level at least 0.5m.
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| CN201811351688.2A CN109440762B (en) | 2018-11-14 | 2018-11-14 | Construction method of filling pile for drainage pump station |
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| CN201811351688.2A CN109440762B (en) | 2018-11-14 | 2018-11-14 | Construction method of filling pile for drainage pump station |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241818A (en) * | 2019-06-01 | 2019-09-17 | 天津弘野建设集团有限公司 | Drill-pouring pilework and its construction method |
| CN111236221A (en) * | 2020-01-20 | 2020-06-05 | 中利建设集团有限公司 | Construction process of rotary digging pile |
| CN111945868A (en) * | 2020-08-17 | 2020-11-17 | 山东南洋环境科技有限公司 | Construction method of integrated assembly type deep tunnel storage-regulation pump station |
| CN112160316A (en) * | 2020-09-14 | 2021-01-01 | 浙江中正岩土技术有限公司 | Construction method of immersed tube cast-in-place pile |
| CN112663603A (en) * | 2020-12-31 | 2021-04-16 | 西南交通大学 | Positioning device for steel casing for bridge pile foundation construction |
| CN112726614A (en) * | 2020-12-24 | 2021-04-30 | 中国水电基础局有限公司 | Construction method for inland steel pipe pile in comprehensive treatment of bridge construction in plain river |
| CN112982426A (en) * | 2021-02-07 | 2021-06-18 | 中铁广州工程局集团深圳工程有限公司 | Construction method of underground assembly type station precast pile |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19733452A1 (en) * | 1997-08-02 | 1999-03-11 | Zueblin Ag | Support-adjusting mechanism in borehole with bored piles |
| CN2863902Y (en) * | 2005-12-29 | 2007-01-31 | 中交第二航务工程局有限公司 | Guiding device for sinking steel pile casting |
| CN101240534A (en) * | 2007-12-31 | 2008-08-13 | 浙江省一建建设集团有限公司 | Inverse method one-column one-pile construction method and correcting device thereof |
| CN202492848U (en) * | 2011-12-14 | 2012-10-17 | 中铁大桥局股份有限公司 | Invisible attached type low height guide rack |
| CN205205822U (en) * | 2015-11-17 | 2016-05-04 | 中交第二航务工程局有限公司 | Steel casing guide support |
| CN205676895U (en) * | 2016-05-17 | 2016-11-09 | 中国葛洲坝集团第五工程有限公司 | A kind of slow pool deepwater foundation construction Large-diameter Steel casing leading truck |
| CN107653884A (en) * | 2017-09-07 | 2018-02-02 | 浙江水利水电学院 | The boring steel pile casting of sand foundation bored concrete pile sets device and its construction method |
-
2018
- 2018-11-14 CN CN201811351688.2A patent/CN109440762B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19733452A1 (en) * | 1997-08-02 | 1999-03-11 | Zueblin Ag | Support-adjusting mechanism in borehole with bored piles |
| CN2863902Y (en) * | 2005-12-29 | 2007-01-31 | 中交第二航务工程局有限公司 | Guiding device for sinking steel pile casting |
| CN101240534A (en) * | 2007-12-31 | 2008-08-13 | 浙江省一建建设集团有限公司 | Inverse method one-column one-pile construction method and correcting device thereof |
| CN202492848U (en) * | 2011-12-14 | 2012-10-17 | 中铁大桥局股份有限公司 | Invisible attached type low height guide rack |
| CN205205822U (en) * | 2015-11-17 | 2016-05-04 | 中交第二航务工程局有限公司 | Steel casing guide support |
| CN205676895U (en) * | 2016-05-17 | 2016-11-09 | 中国葛洲坝集团第五工程有限公司 | A kind of slow pool deepwater foundation construction Large-diameter Steel casing leading truck |
| CN107653884A (en) * | 2017-09-07 | 2018-02-02 | 浙江水利水电学院 | The boring steel pile casting of sand foundation bored concrete pile sets device and its construction method |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241818A (en) * | 2019-06-01 | 2019-09-17 | 天津弘野建设集团有限公司 | Drill-pouring pilework and its construction method |
| CN111236221B (en) * | 2020-01-20 | 2021-11-16 | 中利建设集团有限公司 | Construction process of rotary digging pile |
| CN111236221A (en) * | 2020-01-20 | 2020-06-05 | 中利建设集团有限公司 | Construction process of rotary digging pile |
| CN111945868A (en) * | 2020-08-17 | 2020-11-17 | 山东南洋环境科技有限公司 | Construction method of integrated assembly type deep tunnel storage-regulation pump station |
| CN112160316A (en) * | 2020-09-14 | 2021-01-01 | 浙江中正岩土技术有限公司 | Construction method of immersed tube cast-in-place pile |
| CN112726614B (en) * | 2020-12-24 | 2022-08-02 | 中国水电基础局有限公司 | Construction method for land steel pipe pile in comprehensive treatment of bridge construction in plain river |
| CN112726614A (en) * | 2020-12-24 | 2021-04-30 | 中国水电基础局有限公司 | Construction method for inland steel pipe pile in comprehensive treatment of bridge construction in plain river |
| CN112663603A (en) * | 2020-12-31 | 2021-04-16 | 西南交通大学 | Positioning device for steel casing for bridge pile foundation construction |
| CN112663603B (en) * | 2020-12-31 | 2023-03-17 | 西南交通大学 | Positioning device for steel casing for bridge pile foundation construction |
| CN112982426A (en) * | 2021-02-07 | 2021-06-18 | 中铁广州工程局集团深圳工程有限公司 | Construction method of underground assembly type station precast pile |
| CN114197473A (en) * | 2021-12-16 | 2022-03-18 | 广州市第三市政工程有限公司 | Limiting protection device for overwater platform reducing pile and construction method thereof |
| CN114197473B (en) * | 2021-12-16 | 2023-01-17 | 广州市第三市政工程有限公司 | Limiting protection device for overwater platform reducing pile and construction method thereof |
| CN115434201A (en) * | 2022-10-18 | 2022-12-06 | 湖南交通国际经济工程合作有限公司 | Karst area stable roadbed and construction process thereof |
| CN115434201B (en) * | 2022-10-18 | 2023-12-19 | 湖南交通国际经济工程合作有限公司 | Karst region stability roadbed and construction process thereof |
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Denomination of invention: A construction method of cast-in-place pile for drainage pump station Effective date of registration: 20220720 Granted publication date: 20201016 Pledgee: Zhejiang Chouzhou Commercial Bank Co.,Ltd. Lishui branch Pledgor: ZHEJIANG JINGCHANG CONSTRUCTION Co.,Ltd. Registration number: Y2022330001475 |