CN106759556A - One kind correction inclined method of tower body - Google Patents
One kind correction inclined method of tower body Download PDFInfo
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- CN106759556A CN106759556A CN201611215354.3A CN201611215354A CN106759556A CN 106759556 A CN106759556 A CN 106759556A CN 201611215354 A CN201611215354 A CN 201611215354A CN 106759556 A CN106759556 A CN 106759556A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012937 correction Methods 0.000 title abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 239000011440 grout Substances 0.000 claims abstract description 4
- 239000008267 milk Substances 0.000 claims abstract description 4
- 210000004080 milk Anatomy 0.000 claims abstract description 4
- 235000013336 milk Nutrition 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005476 soldering Methods 0.000 claims description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 6
- 235000011613 Pinus brutia Nutrition 0.000 claims description 6
- 241000018646 Pinus brutia Species 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000037396 body weight Effects 0.000 abstract 1
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000729 antidote Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
One kind correction inclined method of tower body, including step：Measurement tower body well azimuth and amplitude；Make tower body independence, not by external force；Abolish bottom grout blanket；Loose unloading foundation bolt；Inclined side backfill is dug out, rubble and rubble, more than ground pressure 13.5N/cm2 is spread；Place road grillage, the pading plate on the basis of road grillage and tower body；45 ° of the lifting-up support that making is welded together by crossbeam and cant beam, cant beam and crossbeam angle, by cant beam and beam welding on tower body skirt；To bearing capacity and Strength Check on Weld；According to tower body weight and magnitude of inclination selection jack；Jack is placed between crossbeam and steel plate；Reduce tower body and incline 10~20mm of symmetrical side bottom parallels；Jack is started, when each orientation scale difference that total powerstation is measured is qualified less than 30mm；Parallels is padded to tower body bottom；Fastening foundation bolt；Repetition measurement tower body perpendicularity；It is in the milk to tower body bottom；The part that will be removed is reconnected.The present invention is easy to operate, and rectification effect is good, so as to greatly save construction cost.
Description
Technical field
It is especially a kind of correction inclined method of tower body the present invention relates to tower body Slant Rectify field.
Background technology
In Pinghu company produces 320000 tons of acrylic acid and 300,000 tons of construction projects of ester per year, the master device tower body after construction
The factors such as frequent gene basis sedimentation is uneven, gas phase pipe welding stress or tower body and the active force produced by gas phase pipe connecting structure and
Run-off the straight.When tower body magnitude of inclination exceeds《Petrochemical industry static equipment installing engineering construction quality accident specification》GB50461-
During higher limit (tower body perpendicularity is less than or equal to H/1000, and no more than 50mm) of 2008 regulations, it is necessary to which tower body is rectified
Just, required with meeting standard criterion.However, at present without suitable tower body Slant Rectify method, although other things can be borrowed
The Slant Rectify method of body, but, its rectification effect is all excessively poor, and it is costly, time-consuming, causes very big to man power and material
Waste.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of easy to operate, and rectification effect is good, so as to greatly save construction
The inclined method of correction tower body of cost.
Technical solution of the invention is to provide a kind of a kind of correction inclined method of tower body with following structure,
Comprise the following steps：
1) well azimuth and magnitude of inclination of tower body are measured using survey tool；
2) all scaffolds being connected with tower body, support, equipment, pipeline, tie-beam, framework and platform are removed, is made
Tower body independence；
3) tower body base foundation grout blanket is abolished；
4) foundation bolt of loose unloading tower body bottom, the tightness of foundation bolt presses the determination of tower body incline direction：Northeast-
Southwestward pine to nut bottom and bolting pad 20~25mm of block gap, the southeast-direction northwest pine to nut can freely rotate
；
5) central point with tower body is as the center of circle, and with the floor projection of the specific incline direction of tower body as line of symmetry, and left and right is each
45 ° of first scopes of formation of deflection, the 2m that stretched out on the basis of the outer annular edge on tower body basis forms the second scope, first
Scope forms process range with the intersection of the second scope, and the backfill in the process range is dug out, and paving is with 200mm thick hair
Stone, pads with 100mm thick rubble again at the top of rubble, is compacted into, it is ensured that ground pressure is in more than 13.5N/cm2；
6) some road grillages are placed on rubble top surface, it is ensured that the top surface of road grillage and tower body basis top surface flush,
Pad sets one block of steel plate of δ=25mm on the top surface on road grillage and tower body basis；
7) lifting-up support is made, the lifting-up support includes crossbeam and cant beam, and cant beam is located at crossbeam top and oblique weld exists
Crossbeam one end, the angle between cant beam and crossbeam is 45 °, and lifting-up support is placed on into process range side, and by cant beam and crossbeam
The other end be respectively welded on the skirt outer wall of tower body, in two pieces of connecting plates of δ=20mm of crossbeam bottom welding, by connecting plate
Bolt block with tower body bottom is connected；
8) bearing capacity and weld strength to lifting-up support are checked, and it is met jacking requirement；
9) hydraulic jack is selected, its quantity and specification are determined according to the weight and magnitude of inclination of tower body；
10) hydraulic jack is placed between crossbeam and steel plate；
11) the bottom parallels of tower body incline direction symmetrical side is loosened, it is reduced by 10~20mm；
12) hydraulic jack is started, the upper and lower end of tower body is observed respectively using two total powerstations, two whole stations
Instrument point on the basis of tower body center is separated by 90 °, it is noted here that the change of tower body tilt value, when each orientation scale difference for measuring
During less than 30mm, tower body perpendicularity is qualified；
13) parallels is padded in the gap for occurring by jack-up to tower body bottom；
14) all foundation bolts are fastened；
15) perpendicularity to tower body carries out repetition measurement；
16) it is in the milk to tower body bottom according to drawing requirement；
17) scaffold, equipment, pipeline, tie-beam, framework and the platform that will be removed before are connected with tower body again.
A kind of correction inclined method of tower body of the present invention, wherein, the welding in above-mentioned all steps is without sun
Carried out under light irradiation.
A kind of correction inclined method of tower body of the present invention, wherein, the end of the both sides and crossbeam of crossbeam and cant beam
Using the reinforcement steel plate soldering and sealing of δ=20mm, soldering and sealing angle welding is full weld to head.
A kind of correction inclined method of tower body of the present invention, wherein, if being provided with dry support arm inside skirt, install
Height is equal with the setting height(from bottom) of cant beam, and support member is set along the incline direction of tower body, and each support member angle each other is equal
It is 22.5 °, and uses Φ 159X6.5mm, material to be made up of the seamless steel pipe of 20# steel.
After using above structure, compared with prior art, a kind of correction inclined method of tower body of the present invention has following excellent
Point：
1st, by removing all scaffolds being connected with tower body, support, equipment, pipeline, tie-beam, framework and putting down
Platform, can effectively prevent tower body from being influenceed by external force in correction, and then ensure the rectification effect of tower body；
2nd, corrected to inclining tower body using hydraulic jack, greatly save man power and material, and then saving is applied
Work cost；
3rd, the present invention relatively existing antidote that operates is simple and easy to apply；
4th, implementation of the invention occupies little space, and can implement in built device, and applicability is very strong；
5th, mainly carried out on the ground when the present invention is implemented, so as to avoid work high above the ground, safer reliability.
Welded under without sunlight irradiation, can effectively be controlled interlayer temperature, reduced stainless head tower expanded by heating amount.
The termination of the both sides and crossbeam of crossbeam and cant beam, can be further true using the reinforcement steel plate soldering and sealing of δ=20mm
The intensity of lifting-up support is protected, it is preferably met jacking requirement.
If along tower body incline direction be arranged on skirt inside dry support arm can effectively prevent tower body correction when, skirt
Stress deformation.
Brief description of the drawings
Fig. 1 is that hydraulic jack is arranged between lifting-up support and steel plate during one kind of the invention corrects the inclined method of tower body
When main view broken section structural representation；
Fig. 2 is tower body direction inclination northeastward, hydraulic jack distribution in a kind of correction inclined method of tower body of the invention
Overlooking the structure diagram in tower circumference；
Fig. 3 be the present invention it is a kind of correction the inclined method of tower body in the upper and lower end of tower body is carried out respectively using total powerstation
Main structure diagram during observation.
Specific embodiment
A kind of inclined method of correction tower body of the invention is made further in detail with reference to the accompanying drawings and detailed description
Explanation：
In this embodiment, a kind of correction inclined method of tower body of the present invention comprises the following steps：
1) fall instrument using line to measure the well azimuth and magnitude of inclination of tower body in tower, to ensure correction work
Quality, respectively selection the magnitude of inclination of tower body is measured positioned at tower body upper and lower end position.
2) remove all scaffolds being connected with tower body, support, equipment, pipeline, tie-beam, flase floor, framework and
Platform, makes tower body independence, is not acted on by external force.
3) tower body base foundation grout blanket is abolished.
4) foundation bolt of loose unloading tower body bottom, the tightness of foundation bolt presses the determination of tower body incline direction：Northeast-
Southwestward pine is eastern to nut bottom and bolting pad block gap 22mm (can certainly be other numerical value between 20~25mm)
South-direction northwest pine to nut can freely rotate.
5) central point with tower body is as the center of circle, and with the floor projection of the specific incline direction of tower body as line of symmetry (for example, tower
Direction inclines body northeastward, then just with the floor projection of tower body northeastward as line of symmetry), 45 ° of each deflection in left and right formation the
One scope, the 2m that stretched out on the basis of the outer annular edge on tower body basis 60 forms the second scope, the first scope and second
The intersection of scope forms process range, and the backfill in the process range is dug out, and spreads with 200mm thick rubble, in rubble
Top is padded with 100mm thick rubble again, is compacted into, it is ensured that ground pressure is in more than 13.5N/cm2.
6) see Fig. 1, some road grillages 50 are placed on rubble top surface, it is ensured that the top surface of road grillage 50 is pushed up with tower body basis 60
Face flush, pad sets one block of steel plate of δ=25mm 40 on the top surface on road grillage 50 and tower body basis 60.
7) by taking the tower body in following table as an example, direction inclines the tower body northeastward, and magnitude of inclination is 100mm~105mm：
Therefore, the present embodiment makes three lifting-up supports, Fig. 1 is seen, each lifting-up support includes crossbeam 23 and cant beam 21,
Crossbeam 23 and cant beam 21 are made using the H profile steel of HW300*300*16*20, and cant beam 21 is located at the top of crossbeam 23 and oblique weld
In the one end of crossbeam 23, the angle between cant beam 21 and crossbeam 23 is 45 °, and lifting-up support is placed on into process range side, and will be oblique
The other end of beam 21 and crossbeam 23 is respectively welded on the outer wall of skirt 90 of tower body, and two pieces of δ are welded in each bottom of crossbeam 23
The connecting plate 80 of=20mm, connecting plate 80 is connected with the bolt block 70 of tower body bottom.In order to further ensure that lifting-up support
Intensity, the termination of the both sides and crossbeam 23 of each crossbeam 23 and cant beam 21 is using the soldering and sealing of reinforcement steel plate 22 of δ=20mm, soldering and sealing
Angle welding is full weld.See Fig. 2, to prevent the stress deformation of skirt 90, three support members 100 are installed inside skirt 90, install
Height is equal with the setting height(from bottom) of cant beam 21, every one cant beam 21 of correspondence of support member 100, and three support members 100 are along tower body
Incline direction set, the angle each other of each support member 100 is 22.5 °, and uses Φ 159X6.5mm, material
By the seamless steel pipe of 20# steel is made.
8) bearing capacity and weld strength to lifting-up support are checked, and it is met jacking requirement, used here
Computing formula is this area general equation, therefore is not repeated herein.
9) hydraulic jack 30 is selected, its quantity and specification are determined according to the weight and magnitude of inclination of tower body, used here
The computing formula for arriving also is this area general equation, therefore is not repeated herein, to meet the tower body jacking requirement in above table, this
Embodiment, from three hydraulic jacks of 200t, is highly 400mm when its piston rod stretches completely.
10) between the crossbeam 23 and steel plate 40 that three hydraulic jacks 30 are individually positioned in each lifting-up support.
11) the bottom parallels for loosening tower body incline direction symmetrical side (by taking the inclined tower body of northeastward as an example, then loosens tower
The bottom parallels of body southwest side), it is reduced by 10~20mm.
12) before tower body correction, establishment officer is answered to check full tower up and down, emphasis checks platform, pipeline, instrument point
Whether Deng being disengaged with tower body, to prevent from omitting, tower body is caused to bear external force.After inspection finishes, while starting three hydraulic jacks
Top 30, the upper and lower end using two total powerstations 101 (see Fig. 3) respectively to tower body 102 (see Fig. 3) is observed, two total powerstations
101 on the basis of tower body center point be separated by 90 °, it is noted here that the change of tower body tilt value, when each orientation scale for measuring is poor
When value is less than 30mm, the perpendicularity of tower body 102 is qualified.
When tower body is corrected, primary stress is maximum, and now hydraulic jack 30 answers multiple crawl, after noticing that observation tower body is rocked
Whether bedplate lifts, such as multiple crawl bedplate do not lift yet, each junction of tower body should be reexamined, determine it is completely disengaged after
Can jacking again；After tower body is lifted, jacking should be gentle, prevents fast servo from influenceing tower body stabilization.
For the tower body that outer wrap has heat-preservation cotton, to prevent it from being interfered to measurement, observation station is being confirmed
Under the premise of, partial insulation cotton should be divested, angle steel 103 (see Fig. 3) is observed in welding, to avoid influence of the tower body ovality to measuring,
The position of observation angle steel 103 should rationally be determined；If differ larger with other points in the presence of some points in observation process, it may be determined that
It is tower body local deformation, this observation station should be given up, determines centering datum mark on uniform cylinder vertically；
13) after tower body is vertical, parallels is padded in the gap for occurring by jack-up to tower body bottom immediately.
14) all foundation bolts are fastened.
15) perpendicularity to tower body carries out repetition measurement, to prevent from producing shadow again to tower body perpendicularity during fastening foundation bolt
Ring；
16) it is in the milk to tower body bottom according to drawing requirement；
17) scaffold, equipment, pipeline, tie-beam, framework and the platform that will be removed before are connected with tower body again.
Welding in above-mentioned all steps is carried out under without sunlight irradiation, is welded under without sunlight irradiation, can be prevented
Only jig causes to incline to tower body, effectively controls interlayer temperature, reduces stainless head tower expanded by heating amount.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention
Various modifications and improvement that case is made, all should fall within the scope of protection of the present invention.
Claims (4)
1. it is a kind of to correct the inclined method of tower body, it is characterised in that to comprise the following steps：
1) well azimuth and magnitude of inclination of tower body are measured using survey tool；
2) all scaffolds being connected with tower body, support, equipment, pipeline, tie-beam, framework and platform are removed, makes tower body
It is independent；
3) tower body base foundation grout blanket is abolished；
4) foundation bolt of loose unloading tower body bottom, the tightness of foundation bolt presses the determination of tower body incline direction：Northeast-southwest
Direction pine to nut bottom and bolting pad 20~25mm of block gap, the southeast-direction northwest pine to nut can freely rotate i.e.
Can；
5) central point with tower body is as the center of circle, and with the floor projection of the specific incline direction of tower body as line of symmetry, each deflection in left and right
45 ° of first scopes of formation, the 2m that stretched out on the basis of the outer annular edge of tower body basis (60) forms the second scope, first
Scope forms process range with the intersection of the second scope, and the backfill in the process range is dug out, and paving is with 200mm thick hair
Stone, pads with 100mm thick rubble again at the top of rubble, is compacted into, it is ensured that ground pressure is in more than 13.5N/cm2；
6) some road grillages (50) are placed on rubble top surface, it is ensured that the top surface of road grillage (50) and tower body basis (60) top surface phase
Concordantly, pad sets one piece of steel plate of δ=25mm (40) on the top surface of road grillage (50) and tower body basis (60)；
7) lifting-up support is made, the lifting-up support includes crossbeam (23) and cant beam (21), and cant beam (21) is positioned at crossbeam (23) top
And oblique weld, in crossbeam (23) one end, the angle between cant beam (21) and crossbeam (23) is 45 °, and lifting-up support is placed on into place
Reason scope side, and the other end of cant beam (21) and crossbeam (23) is respectively welded on the skirt of tower body (90) outer wall, in crossbeam
(23) two pieces of connecting plates of δ=20mm (80) of bottom welding, connecting plate (80) is connected with the bolt block (70) of tower body bottom；
8) bearing capacity and weld strength to lifting-up support are checked, and it is met jacking requirement；
9) selection hydraulic jack (30), its quantity and specification are determined according to the weight and magnitude of inclination of tower body；
10) hydraulic jack (30) is placed between crossbeam (23) and steel plate (40)；
11) the bottom parallels of tower body incline direction symmetrical side is loosened, it is reduced by 10~20mm；
12) hydraulic jack (30) is started, the upper and lower end of tower body is observed respectively using two total powerstations, two whole stations
Instrument point on the basis of tower body center is separated by 90 °, it is noted here that the change of tower body tilt value, when each orientation scale difference for measuring
During less than 30mm, tower body perpendicularity is qualified；
13) parallels is padded in the gap for occurring by jack-up to tower body bottom；
14) all foundation bolts are fastened；
15) perpendicularity to tower body carries out repetition measurement；
16) it is in the milk to tower body bottom according to drawing requirement；
17) scaffold, equipment, pipeline, tie-beam, framework and the platform that will be removed before are connected with tower body again.
2. one kind according to claim 1 corrects the inclined method of tower body, it is characterised in that：Weldering in above-mentioned all steps
Connect is carried out under without sunlight irradiation.
3. one kind according to claim 2 corrects the inclined method of tower body, it is characterised in that：The crossbeam (23) and cant beam
(21) both sides and the termination of crossbeam (23) use reinforcement steel plate (22) soldering and sealing of δ=20mm, and soldering and sealing angle welding is full
Weldering.
4. one kind according to claim 3 corrects the inclined method of tower body, it is characterised in that：Peace inside the skirt (90)
Equipped with dry support arm if (100), setting height(from bottom) is equal with the setting height(from bottom) of cant beam (21), and the support member (100) is along tower body
Incline direction is set, and each support member (100) angle each other is 22.5 °, and uses Φ 159X6.5mm, material
By the seamless steel pipe of 20# steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611215354.3A CN106759556A (en) | 2016-12-26 | 2016-12-26 | One kind correction inclined method of tower body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215354.3A CN106759556A (en) | 2016-12-26 | 2016-12-26 | One kind correction inclined method of tower body |
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ID=58927205
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| CN201611215354.3A Pending CN106759556A (en) | 2016-12-26 | 2016-12-26 | One kind correction inclined method of tower body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118949A (en) * | 2017-12-22 | 2018-06-05 | 马鞍山合力仪表有限责任公司 | A kind of inclination shaft tower apparatus for correcting |
| WO2019100166A1 (en) * | 2017-11-26 | 2019-05-31 | Ampjack Industries Ltd. | Utility tower leveling apparatus and method |
| CN110747914A (en) * | 2019-10-15 | 2020-02-04 | 中国化学工程第四建设有限公司 | Large tower equipment inclination correction method |
| CN112196345A (en) * | 2020-09-22 | 2021-01-08 | 九州职业技术学院 | Deviation rectifying and reinforcing method for coal washing tower |
| CN116380343A (en) * | 2023-04-10 | 2023-07-04 | 安顺中安安装工程有限公司 | Correction method for safely correcting verticality of tower crane |
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| CN103669432A (en) * | 2013-11-18 | 2014-03-26 | 国家电网公司 | Jacking device for deviation rectification of steel pylon in mining area of coal mine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100166A1 (en) * | 2017-11-26 | 2019-05-31 | Ampjack Industries Ltd. | Utility tower leveling apparatus and method |
| US10710856B2 (en) | 2017-11-26 | 2020-07-14 | Ampjack Industries Ltd. | Utility tower leveling apparatus and method |
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| CN110747914A (en) * | 2019-10-15 | 2020-02-04 | 中国化学工程第四建设有限公司 | Large tower equipment inclination correction method |
| CN112196345A (en) * | 2020-09-22 | 2021-01-08 | 九州职业技术学院 | Deviation rectifying and reinforcing method for coal washing tower |
| CN116380343A (en) * | 2023-04-10 | 2023-07-04 | 安顺中安安装工程有限公司 | Correction method for safely correcting verticality of tower crane |
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Application publication date: 20170531 |