CN114908820A - Rectifying and correcting method for tower frame - Google Patents

Rectifying and correcting method for tower frame Download PDF

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Publication number
CN114908820A
CN114908820A CN202111637474.3A CN202111637474A CN114908820A CN 114908820 A CN114908820 A CN 114908820A CN 202111637474 A CN202111637474 A CN 202111637474A CN 114908820 A CN114908820 A CN 114908820A
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deviation
hole
tower
foundation
deviation correcting
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CN114908820B (en
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狄朝晖
吴家海
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Fourth Construction Co ltd Of China National Chemical Engineering
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Fourth Construction Co ltd Of China National Chemical Engineering
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/48—Foundations inserted underneath existing buildings or constructions
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/50—Anchored foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
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  • Civil Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention discloses a tower frame deviation rectifying and correcting method, and aims to overcome the defect that the existing tower frame deviation rectifying mode only carries out correction on a tower frame, and the foundation is easy to have a risk of secondary settlement. When the tower frame correction operation is carried out, a plurality of reinforcing columns are implanted around the foundation base, the whole foundation base is preliminarily protected, and the phenomenon that collapse is influenced due to larger looseness in the jacking correction process of the foundation base is prevented. The foundation base is covered in the deviation rectifying frame, the deviation rectifying frame is directly rectified during deviation rectifying, and the jack is supported between the deviation rectifying frame and the supporting concrete during deviation rectifying to jack and rectify the deviation of the lower side of the foundation base. And after the rectifying and correcting of the tower frame are finished, pouring lateral reinforced concrete to laterally support and position the foundation base. After the rectification and correction are completed, the rectification of the tower is realized, and the foundation base is reinforced, so that the foundation base is not easy to settle.

Description

Rectifying and correcting method for tower frame
Technical Field
The invention relates to a tower construction technology, in particular to a tower rectification correction method.
Background
The pylon all needs to use in many fields, in order to guarantee its stability of erectting, need consolidate the ground in the erection site, then with the support pre-buried in the ground, the stabilizer blade of pylon is connected on the support. Under the influence of environment, different settlement phenomena can occur on the foundation below the tower, the settlement amplitude of each position is different, and the settlement of the foundation can cause the inclination phenomenon of the tower. Because the tower is generally higher, the support position of the tower support leg has slight deviation to cause obvious deviation above the tower, so that the deviation needs to be corrected in time to avoid causing safety accidents. However, the existing commonly used deviation rectifying method only corrects the tower frame, and after a period of time, the foundation is easy to settle again.
Disclosure of Invention
In order to overcome the defects, the invention provides the deviation correcting method for the tower, which can be used for correcting the deviation of the inclined tower and reinforcing the foundation at the same time, the foundation is not easy to subside again, the deviation correcting effect is good, and the reliable support of the tower is ensured.
In order to solve the technical problem, the invention adopts the following technical scheme: a tower rectification correction method comprises the following steps:
s1, implanting a plurality of reinforcement columns arranged at intervals around the foundation base for installing the tower, and connecting positioning blocks between the reinforcement columns and the side edges of the foundation base;
s2, excavating foundation pits on the side with larger settlement of the foundation base and the opposite side of the foundation pit, wherein the bottom surface of the foundation pit is lower than the bottom of the foundation base, and the lower ends of the reinforcing columns are lower than the bottom surface of the foundation pit;
s3, pouring supporting concrete at the bottom of the foundation pit, pouring reinforcing concrete on the upper surface of the foundation base, burying a cross beam in the reinforcing concrete, and respectively extending two ends of the cross beam to positions above the two foundation pits;
s4, drilling a row of deviation rectifying holes on the side wall of the foundation pit towards the foundation base, wherein the deviation rectifying holes penetrate through the foundation pit on the other side, and the deviation rectifying holes are arranged close to the lower end of the foundation base;
s5, installing a deviation correcting beam in the deviation correcting hole, wherein two ends of the deviation correcting beam respectively extend into the two foundation pits;
s6, tightly connecting the vertical beam between the end of the deviation correcting beam and the end of the cross beam, connecting the cross beam, the deviation correcting beam and the vertical beam together to form a deviation correcting frame, and wrapping the foundation base in the deviation correcting frame;
s7, a jack is installed in a foundation pit on the side with the larger foundation base settlement, a support pad is installed in a foundation pit on the other side, and the jack and the support pad are both supported between the deviation rectifying frame and the support concrete;
s8, starting the jack, jacking and correcting the correcting frame, detecting the inclined state of the tower in the process, stopping the jack when the correcting of the tower is detected to be in place, and installing a cushion block at the position of the jack, wherein the cushion block is supported between the correcting frame and the supporting concrete; after the cushion block is installed, the jack is removed;
s9, pouring lateral reinforced concrete above the support concrete in the foundation pit, wherein the upper end of the lateral reinforced concrete is close to the positioning block;
and S10, removing the positioning block after the concrete is solidified.
When the tower is used for correcting the deviation, a plurality of reinforcing columns are implanted around the foundation base to primarily protect the whole foundation base, so that the phenomenon that the collapse is influenced due to larger looseness in the jacking deviation correcting process of the foundation base is prevented. The reinforcing concrete is poured at the bottom of the foundation pit, so that on one hand, the reinforcing column is reinforced, and further, the foundation base is reinforced; on the other hand, the reinforced concrete plays a reliable supporting role for the jack. The foundation base is covered in the deviation rectifying frame, the deviation rectifying frame is directly rectified during deviation rectifying, and the jack is supported between the deviation rectifying frame and the supporting concrete during deviation rectifying to jack and rectify the deviation of the lower side of the foundation base. And after the rectifying and correcting of the tower frame are finished, pouring lateral reinforced concrete to laterally support and position the foundation base. After the rectification correction is finished, the rectification of the tower is realized, and the foundation base is reinforced, so that the foundation base is not easy to settle.
The tower rectification correction method can be used for rectifying and correcting the inclined tower and simultaneously reinforcing the foundation, the foundation is not easy to subside again, the rectification effect is good, and the reliable support of the tower is ensured.
Preferably, a row of reinforcing holes are formed between the two foundation pits in a drilling mode, the reinforcing holes are arranged below the deviation rectifying holes, reinforcing cages are installed in the reinforcing holes, S3, the reinforcing holes are poured together when supporting concrete is poured at the bottom of the foundation pits, and the reinforcing cages and the supporting concrete are poured into a whole.
The arrangement of the reinforcing holes and the reinforcement cages enables the supporting concrete poured at the bottoms of every two foundation pits to be connected into an integral structure, thereby being beneficial to improving the stability and preventing the foundation base from secondary settlement.
Preferably, a piston cylinder is pre-embedded in supporting concrete in a foundation pit on the larger side of the foundation base in sedimentation, a piston is installed in the piston cylinder, a supporting connecting rod is movably connected between the piston and the vertical beam, a liquid through hole is formed in the piston cylinder, one end of the liquid through hole is communicated to the bottom of the piston cylinder, the other end of the liquid through hole is exposed out of the piston cylinder, and a one-way liquid inlet valve is installed in the liquid through hole; before S8 starts the jack, an oil delivery pipe is connected to the opening end of the liquid through hole, when the jack is started to start the jacking deviation rectifying frame, the piston moves upwards in the piston cylinder, oil is extracted into the piston cylinder through the oil delivery pipe, when the jack in place for deviation rectification is stopped, the oil in the piston cylinder supports the piston, and then the vertical beam is supported through the supporting connecting rod.
When the jack jacks the deviation rectifying frame, the vertical beam pulls the piston to move upwards through the supporting connecting rod, oil in the oil delivery pipe is extracted to enter the piston cylinder, and the piston cannot move downwards under the action of the oil one-way liquid inlet valve, so that the supporting connecting rod reliably supports the vertical beam, and the phenomenon that the deviation rectifying frame moves downwards in the jacking process is avoided. The structure can be reliably supported at any position of jacking.
Preferably, the upper part of the upright beam and the upper part of the reinforcing column are fastened and connected together after S10. Because the depth of throwing into of strengthening the post is darker, stability is good, founds roof beam and strengthening post lug connection, is favorable to improving the steadiness of whole foundation base.
Preferably, after S10, frame concrete is poured around the foundation base, and the frame concrete is poured to connect the upper ends of the upright posts together.
Preferably, a base is pre-embedded in the connection position of the foundation base and the tower, support legs are arranged at the lower ends of the tower, mounting seats are connected with the lower ends of the support legs, the mounting seats are supported on the base and connected through bolts, deviation rectifying grooves for mounting jacks are formed in the base, and jacking blocks are arranged on the lower surfaces of the mounting seats; s10, detecting whether the tower is in place or not, if deviation exists, placing a jack in a deviation rectifying groove on the mounting base at the lowest position, enabling the upper end of the jack to be abutted to the jacking block, loosening the bolt, enabling the jack to work to jack the jacking block, mounting a cushion block below the jacked mounting base, performing secondary fine adjustment and deviation rectification correction on the tower until the tower is completely in place in deviation rectification, and locking the bolt after the cushion block is mounted in place.
After the rectifying and reinforcing of the tower frame is completed, secondary rectifying and correcting are carried out, and the rectifying and correcting of the tower frame are accurate and reliable.
Preferably, the edge of the deviation correcting frame is fixedly connected with an extension block extending towards the foundation pit, and the upper end of the jack in the S7 is propped against the extension block.
The extension block facilitates jacking stress of the jack on the deviation rectifying frame on the one hand, and prolongs the force arm on the other hand, so that jacking force can be reduced, jacking distance is increased, and jacking deviation rectification is more accurate.
Preferably, support blocks are installed between both ends of the deviation correcting beam and the bottom of the foundation base in S6. The supporting block makes the stress between the deviation correcting beam and the foundation base more reliable.
Preferably, the deviation correcting beam is of a cylindrical structure, a plurality of soil loosening knives are arranged on the outer wall of the deviation correcting beam along the length direction, an upper grouting hole and a lower grouting hole which are distributed along the length direction are arranged in the deviation correcting beam, a plurality of upper grout outlet holes and a plurality of lower grout outlet holes are arranged on the outer wall of the deviation correcting beam, the upper grout outlet holes are communicated with the upper grouting hole, and the lower grout outlet holes are communicated with the lower grouting hole; in S5, after the deviation correcting beam is installed in the deviation correcting hole, the deviation correcting beam eccentrically rotates, the soil loosening cutter loosens the soil around the deviation correcting beam, after the deviation correcting beam rotates for a period of time, the posture of the deviation correcting beam is adjusted to enable the upper grouting hole to face upwards and the lower grouting hole to face downwards; injecting high-pressure cement mortar into the deviation correcting beam through the upper grouting hole, discharging the cement mortar from the upper grouting hole, injecting the cement mortar into sand above the deviation correcting beam, and connecting the deviation correcting beam with the vertical beam after the cement mortar is solidified; and S8, injecting high-pressure cement mortar into the deviation correcting beam through the lower grouting hole, discharging the cement mortar from the lower grouting hole, injecting the cement mortar into sand below the deviation correcting beam, and performing S9 after the cement mortar is solidified.
The deviation correcting beam eccentrically rotates, and the loosening cutter loosens the soil around the deviation correcting beam, so that cement mortar is favorably injected. And S5, injecting high-pressure cement mortar into the deviation correcting beam through the upper grouting hole, discharging the cement mortar from the upper grouting hole and injecting the cement mortar into sand above the deviation correcting beam, forming reliable support between the foundation base and the deviation correcting beam after the cement mortar is solidified, so that the deviation correcting frame and the foundation base can be reliably connected together, and preventing the deviation correcting effect from being influenced by mutual movement between the deviation correcting frame and the foundation base in the jacking deviation correcting process.
And S8, injecting high-pressure cement mortar into the deviation correcting beam through the lower grouting hole, discharging the cement mortar from the lower grouting hole and injecting the cement mortar into sand below the deviation correcting beam, and reliably supporting the whole deviation corrected foundation base after the cement mortar is solidified.
Preferably, the upper grouting hole and the lower grouting hole are internally provided with rotating shafts, the rotating shafts are connected with a plurality of wing plates which are arranged at intervals, and open slots are correspondingly formed in the deviation correcting beam and the wing plates; a through hole is arranged in the rotating shaft, a through hole is arranged on the wing plate, one end of the through hole is communicated with the through hole, and the other end of the through hole extends to the outer edge of the wing plate; high-pressure cement mortar is injected into the deviation correcting beam through the upper grouting hole, the rotating shaft in the upper grouting hole is rotated, the outer edge of the wing plate extends out of the open slot to the upper part of the deviation correcting beam, the high-pressure cement mortar is injected into the through hole in the rotating shaft, and the cement mortar is injected into sand soil above the deviation correcting beam from the through hole in the wing plate; high-pressure cement mortar is injected into the deviation correcting beam through the lower grouting hole, the rotating shaft in the lower grouting hole is rotated, the outer edge of the wing plate extends out of the open slot to the position below the deviation correcting beam, the high-pressure cement mortar is injected into the through hole in the rotating shaft, and the cement mortar is injected into sand soil below the deviation correcting beam from the through hole in the wing plate.
The flange plate edge is turned out of the deviation correcting beam, and high-pressure cement mortar is injected into sand through the through hole in the flange plate, so that the range of the cement mortar injected into the sand is increased, and after the cement mortar and the sand are mixed and solidified, the flange plate edge is placed in the solidified cement mortar, so that the whole deviation correcting beam is more reliably connected with the sand, the transverse movement phenomenon cannot occur, and the reinforcing effect is further improved. Simultaneously the rotation of pterygoid lamina can stir the cement mortar and the sand soil of pouring into, makes the mixed effectual of sand soil and cement mortar, increases the firmness after solidifying.
Compared with the prior art, the invention has the beneficial effects that: the tower rectification correction method can be used for reinforcing the foundation while rectifying the deviation of the inclined tower, the foundation is not easy to subside again, the rectification effect is good, and the reliable support of the tower is ensured.
Drawings
FIG. 1 is a schematic view of the construction of the present invention;
FIG. 2 is a cross-sectional view of the deflection correcting beam of the present invention;
in the figure: 1. the concrete grouting device comprises a tower, 2, a foundation base, 3, a reinforcing column, 4, a positioning block, 5, a foundation pit, 6, supporting concrete, 7, reinforcing concrete, 8, a cross beam, 9, a deviation correcting beam, 10, a vertical beam, 11, a jack, 12, a supporting pad, 13, a reinforcing hole, 14, a piston cylinder, 15, a piston, 16, a supporting connecting rod, 17, a liquid through hole, 18, a one-way liquid inlet valve, 19, a universal ball head, 20, an arc-shaped groove, 21, a positioning ring, 22, a groove, 23, a fixing ring, 24, a supporting block, 25, an extending block, 26, a base, 27, a support leg, 28, a mounting seat, 29, a deviation correcting groove, 30, a top block, 31, a ripping knife, 32, an upper grouting hole, 33, a lower grouting hole, 34, a rotating shaft, 35, a wing plate, 36, an open groove, 37, a through hole, 38 and a through hole.
Detailed Description
The technical scheme of the invention is further described in detail by the specific embodiments and the accompanying drawings:
example 1: a method for correcting a tower deviation (see fig. 1), comprising the steps of:
s1, implanting a plurality of reinforcement columns 3 arranged at intervals around the foundation base 2 for installing the tower frame 1, and connecting positioning blocks 4 between the reinforcement columns and the side edges of the foundation base;
s2, excavating a foundation pit 5 on the side with larger settlement of the foundation base and the opposite side of the foundation pit, wherein the bottom surface of the foundation pit is lower than the bottom of the foundation base, and the lower end of the reinforcing column is lower than the bottom surface of the foundation pit;
s3, pouring support concrete 6 at the bottom of the foundation pit, pouring reinforced concrete 7 on the upper surface of the foundation base, arranging reinforcing mesh in the reinforced concrete, burying a cross beam 8 in the reinforced concrete, and respectively extending two ends of the cross beam to the positions above the two foundation pits;
s4, drilling a row of deviation rectifying holes on the side wall of the foundation pit towards the foundation base, wherein the deviation rectifying holes penetrate through the foundation pit on the other side, and the deviation rectifying holes are arranged close to the lower end of the foundation base;
s5, installing a deviation correcting beam 9 in the deviation correcting hole, wherein two ends of the deviation correcting beam respectively extend into the two foundation pits;
s6, tightly connecting the vertical beam 10 between the end of the deviation correcting beam and the end of the cross beam, connecting the cross beam, the deviation correcting beam and the vertical beam together to form a deviation correcting frame, and wrapping the foundation base in the deviation correcting frame;
s7, installing a jack 11 in a foundation pit on the side with larger foundation base settlement, installing a support pad 12 in the foundation pit on the other side, and supporting the jack and the support pad between the deviation rectifying frame and the support concrete;
s8, starting the jack, jacking and correcting the correcting frame, detecting the inclined state of the tower in the process, stopping the jack when the correcting of the tower is detected to be in place, and installing a cushion block at the position of the jack, wherein the cushion block is supported between the correcting frame and the supporting concrete; after the cushion block is installed, the jack is removed;
s9, pouring lateral reinforced concrete above the support concrete in the foundation pit, wherein the upper end of the lateral reinforced concrete is close to the positioning block;
and S10, removing the positioning block after the concrete is solidified.
A row of reinforcing holes 13 are formed between the two foundation pits in a drilling mode, the reinforcing holes are arranged below the deviation rectifying holes, reinforcing cages are arranged in the reinforcing holes, S3, when supporting concrete is poured at the bottom of the foundation pits, the reinforcing holes are poured together, and the reinforcing cages and the supporting concrete are poured into a whole.
A piston cylinder 14 is pre-buried in supporting concrete in a foundation pit on the larger side of foundation base settlement, a piston 15 is mounted in the piston cylinder, a supporting connecting rod 16 is movably connected between the piston and a vertical beam, a liquid through hole 17 is formed in the piston cylinder, one end of the liquid through hole is communicated with the bottom of the piston cylinder, the other end of the liquid through hole is exposed out of the piston cylinder, and a one-way liquid inlet valve 18 is mounted in the liquid through hole; the upper end and the lower end of the support connecting rod are both provided with universal ball heads 19, the lower end of the vertical beam is provided with an arc-shaped groove 20, the vertical beam is connected with a positioning ring 21, the positioning ring and the arc-shaped groove are arranged oppositely, the inner wall of the positioning ring is of an arc-shaped curved surface structure, and the universal ball heads at the upper end of the support connecting rod are movably arranged between the arc-shaped groove and the positioning ring. The piston upper end is equipped with curved recess 22, and solid fixed ring 23 is connected to the piston upper end, and solid fixed ring sets up with the recess relatively, and solid fixed ring inner wall is arc curved surface structure, and the universal bulb movable mounting of support link lower extreme is between recess and solid fixed ring. In the initial stage, the piston is arranged at the bottom of the piston cylinder. Before S8 starts the jack, an oil delivery pipe is connected to the opening end of the liquid through hole, when the jack is started to start the jacking deviation rectifying frame, the piston moves upwards in the piston cylinder, oil is extracted into the piston cylinder through the oil delivery pipe, when the jack in place for deviation rectification is stopped, the oil in the piston cylinder supports the piston, and then the vertical beam is supported through the supporting connecting rod.
And S6, mounting supporting blocks 24 between the two ends of the deviation correcting beam and the bottom of the foundation base. The edge of the deviation rectifying frame is fixedly connected with an extension block 25 extending towards the foundation pit direction, and the upper end of a jack in S7 is propped against the extension block. And S10, fixedly connecting the upper parts of the vertical beams and the upper parts of the reinforcing columns together, pouring frame concrete around the foundation base, and pouring the upper ends of the columns together by the frame concrete.
A base 26 is embedded in the connection position of the foundation base and the tower, a support leg 27 is arranged at the lower end of the tower, a mounting seat 28 is connected with the lower end of the support leg, the mounting seat is supported on the base and connected through a bolt, a deviation rectifying groove 29 for mounting a jack is arranged on the base, and a jacking block 30 is arranged on the lower surface of the mounting seat; s10, detecting whether the tower is in place or not, if deviation exists, placing a jack in a deviation rectifying groove in the mounting base at the lowest position, enabling the upper end of the jack to be abutted to the jacking block, loosening the bolt, enabling the jack to work to jack the jacking block, mounting a cushion block below the jacked mounting base, performing secondary fine adjustment and deviation rectification correction on the tower until the tower is in place completely in the deviation rectifying correction, and locking the bolt after the cushion block is mounted in place.
When the tower is used for correcting the deviation, a plurality of reinforcing columns are implanted around the foundation base to primarily protect the whole foundation base, so that the phenomenon that the collapse is influenced due to larger looseness in the jacking deviation correcting process of the foundation base is prevented. The reinforcing concrete is poured at the bottom of the foundation pit, so that on one hand, the reinforcing column is reinforced, and further, the foundation base is reinforced; on the other hand, the reinforced concrete plays a reliable supporting role for the jack. The foundation base is covered in the deviation rectifying frame, the deviation rectifying frame is directly rectified during deviation rectifying, and the jack is supported between the deviation rectifying frame and the supporting concrete during deviation rectifying to jack and rectify the deviation of the lower side of the foundation base. And after the rectifying and correcting of the tower frame are finished, pouring lateral reinforced concrete to laterally support and position the foundation base. After the rectification correction is finished, the rectification of the tower is realized, and the foundation base is reinforced, so that the foundation base is not easy to settle.
Example 2: a tower frame rectification correction method is similar to the step of the embodiment 1, and mainly has the difference that a rectification beam in the embodiment is of a cylindrical structure, a plurality of soil loosening knives 31 are arranged on the outer wall of the rectification beam along the length direction, an upper grouting hole 32 and a lower grouting hole 33 which are arranged along the length direction are arranged in the rectification beam, a plurality of upper grout outlet holes and a plurality of lower grout outlet holes are arranged on the outer wall of the rectification beam, the upper grout outlet holes are communicated with the upper grouting holes, and the lower grout outlet holes are communicated with the lower grouting holes; s5, after the deviation correcting beam is installed in the deviation correcting hole, the deviation correcting beam eccentrically rotates, the soil loosening cutter loosens the soil around the deviation correcting beam, after the deviation correcting beam rotates for a period of time, the posture of the deviation correcting beam is adjusted to enable the upper grouting hole to be upward, and the lower grouting hole is downward; injecting high-pressure cement mortar into the deviation correcting beam through the upper grouting hole, discharging the cement mortar from the upper grouting hole, injecting the cement mortar into sand above the deviation correcting beam, and connecting the deviation correcting beam with the vertical beam after the cement mortar is solidified; and S8, injecting high-pressure cement mortar into the deviation correcting beam through the lower grouting hole, discharging the cement mortar from the lower grouting hole, injecting the cement mortar into sand below the deviation correcting beam, and performing S9 after the cement mortar is solidified.
The upper grouting hole and the lower grouting hole are internally provided with a rotating shaft 34, the rotating shaft is connected with a plurality of wing plates 35 which are arranged at intervals, and the deviation correcting beam and the wing plates are correspondingly provided with open grooves 36; a through hole 38 is arranged in the rotating shaft, a through hole 37 is arranged on the wing plate, one end of the through hole is communicated with the through hole, and the other end of the through hole extends to the outer edge of the wing plate; high-pressure cement mortar is injected into the deviation correcting beam through the upper grouting hole, the rotating shaft in the upper grouting hole is rotated, the outer edge of the wing plate extends out of the open slot to the upper part of the deviation correcting beam, the high-pressure cement mortar is injected into the through hole in the rotating shaft, and the cement mortar is injected into sand soil above the deviation correcting beam from the through hole in the wing plate; when injecting high-pressure cement mortar into the rectifying beam through the lower grouting hole, the rotating shaft in the lower grouting hole is rotated, so that the outer edge of the wing plate extends out of the open slot to the position below the rectifying beam, the high-pressure cement mortar is injected into the through hole in the rotating shaft, and the cement mortar is injected into sand soil below the rectifying beam from the through hole in the wing plate. The other steps were the same as in example 1.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.

Claims (10)

1. A tower rectification correction method is characterized by comprising the following steps:
s1, implanting a plurality of reinforcement columns arranged at intervals around the foundation base for installing the tower, and connecting positioning blocks between the reinforcement columns and the side edges of the foundation base;
s2, excavating foundation pits on the side with larger settlement of the foundation base and the opposite side of the foundation pit, wherein the bottom surface of the foundation pit is lower than the bottom of the foundation base, and the lower ends of the reinforcing columns are lower than the bottom surface of the foundation pit;
s3, pouring supporting concrete at the bottom of the foundation pit, pouring reinforcing concrete on the upper surface of the foundation base, burying a cross beam in the reinforcing concrete, and respectively extending two ends of the cross beam to positions above the two foundation pits;
s4, drilling a row of deviation rectifying holes on the side wall of the foundation pit towards the foundation base, wherein the deviation rectifying holes penetrate through the foundation pit on the other side, and the deviation rectifying holes are arranged close to the lower end of the foundation base;
s5, installing a deviation correcting beam in the deviation correcting hole, wherein two ends of the deviation correcting beam respectively extend into the two foundation pits;
s6, fixedly connecting a vertical beam between the end part of the deviation correcting beam and the end part of the cross beam, connecting the cross beam, the deviation correcting beam and the vertical beam together to form a deviation correcting frame, and wrapping the foundation base in the deviation correcting frame;
s7, a jack is installed in a foundation pit on the side with the larger foundation base settlement, a support pad is installed in a foundation pit on the other side, and the jack and the support pad are both supported between the deviation rectifying frame and the support concrete;
s8, starting the jack, jacking and correcting the correcting frame, detecting the inclined state of the tower in the process, stopping the jack when the correcting of the tower is detected to be in place, and installing a cushion block at the position of the jack, wherein the cushion block is supported between the correcting frame and the supporting concrete; after the cushion block is installed, the jack is removed;
s9, pouring lateral reinforced concrete above the support concrete in the foundation pit, wherein the upper end of the lateral reinforced concrete is close to the positioning block;
and S10, removing the positioning block after the concrete is solidified.
2. The tower deviation rectifying method of claim 1, wherein a row of reinforcement holes are drilled between two foundation pits, the reinforcement holes are disposed under the deviation rectifying holes, reinforcement cages are installed in the reinforcement holes, and S3 the reinforcement holes are poured together when the support concrete is poured at the bottom of the foundation pit, and the reinforcement cages and the support concrete are poured as a whole.
3. The tower frame deviation rectifying and correcting method as claimed in claim 1, wherein a piston cylinder is pre-buried in the supporting concrete in the foundation pit on the larger side of the foundation base, a piston is installed in the piston cylinder, a supporting connecting rod is movably connected between the piston and the vertical beam, a liquid through hole is formed in the piston cylinder, one end of the liquid through hole is communicated to the bottom of the piston cylinder, the other end of the liquid through hole is exposed out of the piston cylinder, and a one-way liquid inlet valve is installed in the liquid through hole; before S8 starts the jack, an oil delivery pipe is connected to the opening end of the liquid through hole, when the jack is started to start the jacking deviation rectifying frame, the piston moves upwards in the piston cylinder, oil is extracted into the piston cylinder through the oil delivery pipe, when the jack in place for deviation rectification is stopped, the oil in the piston cylinder supports the piston, and then the vertical beam is supported through the supporting connecting rod.
4. The tower deviation rectifying method according to claim 1, wherein the upper portion of the vertical beam and the upper portion of the reinforcing column are fastened together after S10.
5. The method of claim 1, wherein a frame concrete is poured around the foundation base after the step S10, and the frame concrete is poured to connect the upper ends of the columns together.
6. The tower rectifying and correcting method according to claim 1, wherein a base is embedded in the foundation base and the tower connecting position, a support leg is arranged at the lower end of the tower, a mounting seat is connected to the lower end of the support leg, the mounting seat is supported on the base and connected through a bolt, a rectifying groove for mounting a jack is arranged on the base, and a top block is arranged on the lower surface of the mounting seat; s10, detecting whether the tower is in place or not, if deviation exists, placing a jack in a deviation rectifying groove in the mounting base at the lowest position, enabling the upper end of the jack to be abutted to the jacking block, loosening the bolt, enabling the jack to work to jack the jacking block, mounting a cushion block below the jacked mounting base, performing secondary fine adjustment and deviation rectification correction on the tower until the tower is in place completely in the deviation rectifying correction, and locking the bolt after the cushion block is mounted in place.
7. The tower rectification method of claim 1, wherein the rectification frame is fastened at its edge to an extension block extending in the direction of the foundation pit, and the upper end of the jack is supported by the extension block in S7.
8. The tower rectification method according to any one of claims 1 to 7, wherein support blocks are installed between both ends of the rectification beam and the bottom of the foundation base in S6.
9. The tower frame rectification method according to any one of claims 1 to 7, wherein the rectification beam is of a cylindrical structure, the outer wall of the rectification beam is provided with a plurality of loosening blades along the length direction, the rectification beam is internally provided with an upper grouting hole and a lower grouting hole which are distributed along the length direction, the outer wall of the rectification beam is provided with a plurality of upper grouting holes and a plurality of lower grouting holes, the upper grouting holes are communicated with the upper grouting holes, and the lower grouting holes are communicated with the lower grouting holes; in S5, after the deviation correcting beam is installed in the deviation correcting hole, the deviation correcting beam eccentrically rotates, the soil loosening cutter loosens the soil around the deviation correcting beam, after the deviation correcting beam rotates for a period of time, the posture of the deviation correcting beam is adjusted to enable the upper grouting hole to face upwards and the lower grouting hole to face downwards; injecting high-pressure cement mortar into the deviation correcting beam through the upper grouting hole, discharging the cement mortar from the upper grouting hole, injecting the cement mortar into sand above the deviation correcting beam, and connecting the deviation correcting beam with the vertical beam after the cement mortar is solidified; and S8, injecting high-pressure cement mortar into the deviation correcting beam through the lower grouting hole, discharging the cement mortar from the lower grouting hole, injecting the cement mortar into sand below the deviation correcting beam, and performing S9 after the cement mortar is solidified.
10. The tower frame rectification and correction method as claimed in claim 9, wherein the upper grouting hole and the lower grouting hole are both provided with a rotating shaft, the rotating shaft is connected with a plurality of wing plates arranged at intervals, and the rectification beam and the wing plates are correspondingly provided with open slots; a through hole is arranged in the rotating shaft, a through hole is arranged on the wing plate, one end of the through hole is communicated with the through hole, and the other end of the through hole extends to the outer edge of the wing plate; high-pressure cement mortar is injected into the deviation correcting beam through the upper grouting hole, the rotating shaft in the upper grouting hole is rotated, the outer edge of the wing plate extends out of the open slot to the upper part of the deviation correcting beam, the high-pressure cement mortar is injected into the through hole in the rotating shaft, and the cement mortar is injected into sand soil above the deviation correcting beam from the through hole in the wing plate; high-pressure cement mortar is injected into the deviation correcting beam through the lower grouting hole, the rotating shaft in the lower grouting hole is rotated, the outer edge of the wing plate extends out of the open slot to the position below the deviation correcting beam, the high-pressure cement mortar is injected into the through hole in the rotating shaft, and the cement mortar is injected into sand soil below the deviation correcting beam from the through hole in the wing plate.
CN202111637474.3A 2021-12-29 2021-12-29 Tower deviation correcting method Active CN114908820B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2382146C1 (en) * 2008-08-04 2010-02-20 Владимир Николаевич Бронин Method for straightening of slant in building erected on pile foundation
CN105863362A (en) * 2016-04-13 2016-08-17 太原理工大学 Deviation rectifying device for inclined transmission tower
CN106638663A (en) * 2016-11-25 2017-05-10 天地科技股份有限公司 Foundation reinforcing and integral inclination rectifying and shifting method for high-voltage transmission tower in subsidence area
CN107044142A (en) * 2017-04-20 2017-08-15 南京工业大学 Adjustable reinforcement and rectification method and structure for reducing house differential settlement
CN109653264A (en) * 2018-12-24 2019-04-19 焦作大学 A kind of shallow foundation rectifying of leaned building ruggedized construction
CN209179089U (en) * 2018-11-14 2019-07-30 李栓义 A kind of shallow foundation rectifying of leaned building ruggedized construction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2382146C1 (en) * 2008-08-04 2010-02-20 Владимир Николаевич Бронин Method for straightening of slant in building erected on pile foundation
CN105863362A (en) * 2016-04-13 2016-08-17 太原理工大学 Deviation rectifying device for inclined transmission tower
CN106638663A (en) * 2016-11-25 2017-05-10 天地科技股份有限公司 Foundation reinforcing and integral inclination rectifying and shifting method for high-voltage transmission tower in subsidence area
CN107044142A (en) * 2017-04-20 2017-08-15 南京工业大学 Adjustable reinforcement and rectification method and structure for reducing house differential settlement
CN209179089U (en) * 2018-11-14 2019-07-30 李栓义 A kind of shallow foundation rectifying of leaned building ruggedized construction
CN109653264A (en) * 2018-12-24 2019-04-19 焦作大学 A kind of shallow foundation rectifying of leaned building ruggedized construction

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