CN108086346B - Uneven settlement reinforcing device and overcoming method for tower crane foundation - Google Patents
Uneven settlement reinforcing device and overcoming method for tower crane foundation Download PDFInfo
- Publication number
- CN108086346B CN108086346B CN201810075609.3A CN201810075609A CN108086346B CN 108086346 B CN108086346 B CN 108086346B CN 201810075609 A CN201810075609 A CN 201810075609A CN 108086346 B CN108086346 B CN 108086346B
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- tower crane
- crane foundation
- foundation
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- 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
- E02D27/42—Foundations for poles, masts or chimneys
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- 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
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
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- Cultivation Of Seaweed (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the field of construction of tower crane foundations, in particular to a device and a method for reinforcing uneven settlement of a tower crane foundation. Comprises a tower crane body and a tower crane foundation; the tower crane body is erected on the tower crane foundation, and a new pouring concrete slab, a steel bar and a channel steel are arranged at the uneven settlement position of the tower crane foundation; the steel bars are implanted on the side face of the settlement and welded with the channel steel, and the channel steel is placed on the concrete slab. According to the invention, the steel bars are planted on the side edges of the original tower crane foundation, the steel bars are welded by the channel steel, the I-steel is placed on the newly poured concrete slab surface beside the foundation, and the tower crane foundation is provided with a hand which is supported on the hard ground, so that the tower crane foundation can be effectively ensured not to be settled.
Description
Technical Field
The invention relates to the field of construction of tower crane foundations, in particular to a device and a method for reinforcing uneven settlement of a tower crane foundation.
Background
The tower crane is an important device for hoisting and transporting in the building industry, is used as a raw material for construction such as steel bars, wood ribs, concrete, steel pipes and the like for hoisting construction, and plays an increasingly large role in building construction, cargo transportation and the like due to the characteristics of strong retractility and large bearing capacity of the tower crane along with the high-speed development of urban construction in China. Because of the rapid development of high-rise buildings, the use amount of the vertical transportation mechanical tower crane in construction is increased sharply, and serious safety accidents of tower crane overturning also occur frequently. In engineering practice, the tower crane sometimes has uneven settlement of the tower crane foundation, so that the risk of tower crane overturning exists.
The prior art has no specific solution to the uneven settlement of the tower crane foundation, and the traditional construction technical solution comprises the following steps: 1. reworking a tower crane foundation; 2. the free height of the tower crane is reduced; 3. compacting and grouting. The traditional construction technology solution has the problems of time and labor waste, uncontrollable process, difficult immediate effect of results and the like, and has no method for well solving the problem of uneven settlement of the tower crane foundation.
Disclosure of Invention
The invention provides a device and a method for reinforcing uneven settlement of a tower crane foundation to overcome the problems in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a device for reinforcing uneven settlement of a tower crane foundation comprises a tower crane body and the tower crane foundation; the tower crane body is erected on the tower crane foundation, and a new pouring concrete slab, a steel bar and a channel steel are arranged at the uneven settlement position of the tower crane foundation; the steel bars are implanted on the side face of the settlement and welded with the channel steel, and the channel steel is placed on the concrete slab.
Further, the concrete slab is poured beside the uneven settlement of the tower crane foundation, the width and the length of the concrete slab are the same as those of the tower crane foundation, and the elevation of the surface of the concrete slab is the same as the elevation of the bottom of the tower crane foundation.
Furthermore, two reinforcing bars are respectively arranged on the left side surface and the right side surface of the settlement.
Furthermore, the number of the channel steels is two, and the channel steels are respectively placed on the left side and the right side of the concrete slab.
The invention also provides a method for overcoming uneven settlement of the tower crane foundation, which comprises the following steps:
s1, pouring concrete plates beside a settlement azimuth of a tower crane foundation, wherein the elevation of the plate surface of the concrete plates is the same as the elevation of the bottom of a bearing platform of the tower crane foundation.
S2, respectively implanting two reinforcing steel bars on two side surfaces of the settlement azimuth of the tower crane foundation, wherein the extending length of the reinforcing steel bars is reserved.
S3, placing two channel steels on the concrete slab along the direction of the tower crane foundation, wherein one channel steel is left and right, and each channel steel is welded with two steel bars on the same side in the S2.
S4, if sedimentation occurs in a plurality of directions, repeating the steps S1, S2 and S3 when sedimentation occurs in the directions.
The key point of the invention is that the side edge of the original tower crane foundation is planted with the steel bar, the steel bar is welded with the planted steel bar, the I-steel is placed on the newly poured concrete slab surface beside the foundation, so that the uneven settlement part is supported, and the tower crane foundation is not settled any more.
Further, the thickness of the concrete slab in the step S1 can be changed according to the actual weight of the tower crane, and the width and the length can be the same as the length and the width of the foundation.
Further, the length of the foundation of the tower crane for implanting the reinforcing steel bars in the S2 accords with the reinforcing steel bar implanting standard.
Further, if the sedimentation direction is an oblique angle in S1, concrete slabs are poured on two sides corresponding to the basic oblique angle, and then steps S2 and S3 are repeated.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the steel bars are planted on the side edges of the original tower crane foundation, the steel bars are welded together by the channel steel, and the I-steel is placed on the newly poured concrete slab surface beside the foundation, so that the uneven settlement part is supported, and the tower crane foundation can be effectively ensured not to be settled any more.
(2) The invention utilizes common construction site materials such as channel steel, reinforcing steel bars and the like, and common techniques such as concrete pouring, welding and the like, so that the method is clear and easy to understand, simultaneously saves time and expenditure, does not damage the original functions of the tower crane, and does not need to reduce the utility of the tower crane.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic representation (III) of an embodiment of the present invention;
FIG. 4 is a top view (I) of an embodiment of the present invention;
FIG. 5 is a top view (II) of an embodiment of the present invention;
wherein: 1 tower crane body, 2 tower crane foundation, 3 new pouring concrete slab, 4 reinforcing steel bars and 5 channel steel.
Detailed Description
In order to facilitate understanding of those skilled in the art, the technical solution of the present invention will be further described with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1-5, a device for reinforcing uneven settlement of a tower crane foundation comprises a tower crane body 1 and a tower crane foundation 2; the tower crane body 1 is erected on the tower crane foundation 2, and a new pouring concrete slab 3, a reinforcing steel bar 4 and a channel steel 5 are arranged at the uneven settlement of the tower crane foundation 2; the steel bars 4 are planted on the side face of the subsidence part and welded with the channel steel 5, and the channel steel 5 is placed on the concrete slab 3.
Furthermore, the concrete slab 3 is poured beside the uneven settlement of the tower crane foundation 2, the width and the length of the concrete slab 3 are the same as the length and the width of the tower crane foundation 2, and the elevation of the surface is the same as the elevation of the bottom of the tower crane foundation 2.
The left and right sides of the settlement are respectively provided with two reinforcing steel bars 4. The number of the channel steels 5 is two, and the channel steels are respectively placed on the left side and the right side of the concrete slab 3. Each channel steel is welded with two steel bars on the same side.
Example two
The method for overcoming the uneven settlement of the tower crane foundation is characterized by comprising the following steps of:
s1, pouring concrete plates 3 beside the sedimentation azimuth, wherein the elevation of the surfaces of the concrete plates 3 is the same as the elevation of the bottom of a bearing platform of a tower crane foundation 2.
S2, respectively implanting two steel bars 4 on two side surfaces of the settlement azimuth of the tower crane foundation 2, wherein the steel bars 4 have a stretching length.
S3, two channel steels 5 are placed on the concrete slab 3 along the direction of the tower crane foundation 2, one channel steel 5 is placed on the left side and the other channel steel 5 is welded with two steel bars 4 on the same side in the S2.
S4, if sedimentation occurs in a plurality of directions, repeating the steps S1, S2 and S3 when sedimentation occurs in the directions.
Example III
The second embodiment is similar to the second embodiment, further, the thickness of the concrete slab 3 in S1 may be changed according to the actual weight of the tower crane, and the width and length may be the same as the length and width of the foundation. And the embedded basic length of the reinforcing steel bars 4 of the S2 is regulated according to related embedded steel bars.
And (3) pouring concrete plates 3 on two sides corresponding to the basic oblique angle when the sedimentation azimuth in the step (S1) is the oblique angle, and then repeating the steps (S2) and (S3). If the settlement azimuth is northwest angle, pouring concrete plates on the northwest face and the northwest face of the tower crane foundation 2, and then repeating the steps 2 and 3.
It is to be understood that the above examples of the present invention are provided by way of illustration only and are not intended to limit the scope of the invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. The uneven settlement reinforcing device for the tower crane foundation is characterized by comprising a tower crane body (1) and a tower crane foundation (2); the tower crane body is erected on the tower crane foundation (2), and a new pouring concrete slab (3), a reinforcing steel bar (4) and a channel steel (5) are arranged at the uneven settlement position of the tower crane foundation (2); the concrete slab (3) is poured beside the uneven settlement of the tower crane foundation (2), the width and the length of the concrete slab (3) are the same as those of the tower crane foundation (2), the surface elevation of the concrete slab (3) is the same as the bottom elevation of the tower crane foundation (2), the steel bar (4) is implanted on the side surface of the settlement and welded with the channel steel (5), and the channel steel (5) is placed on the concrete slab (3); the left and right sides of the sedimentation are respectively provided with two reinforcing bars (4).
2. The device for reinforcing uneven settlement of a tower crane foundation according to claim 1, wherein the number of the channel steels (5) is two, and the channel steels are respectively placed on the left side and the right side of the concrete slab (3).
3. A method for overcoming uneven settlement of a tower crane foundation by using the uneven settlement reinforcing device for the tower crane foundation according to claim 1 or 2, comprising the steps of:
s1, pouring a concrete plate (3) beside a settlement azimuth of a tower crane foundation (2), wherein the elevation of the plate surface of the concrete plate (3) is the same as the elevation of the bottom of a bearing platform of the tower crane foundation (2);
s2, respectively implanting two steel bars (4) on two side surfaces of the settlement azimuth of the tower crane foundation (2), wherein the steel bars (4) are provided with extension lengths;
s3, two channel steels (5) are placed on the concrete slab (3) along the direction of the tower crane foundation (2), one channel steel is placed on the left side and the other channel steel is placed on the right side, and each channel steel (5) is welded with two steel bars (4) on the same side in the S2;
s4, if sedimentation occurs in a plurality of directions, repeating the steps S1, S2 and S3 when sedimentation occurs in the directions.
4. A method of overcoming uneven settlement of a tower crane foundation according to claim 3, wherein the thickness of the concrete slab (3) in S1 is changed according to the actual weight of the tower crane, and the width, length and foundation are the same length and width.
5. A method for overcoming uneven settlement of a tower crane foundation according to claim 3, wherein the length of the steel bar (4) of S2 implanted into the tower crane foundation (2) meets the planting specification.
6. A method for overcoming uneven settlement of a tower crane foundation according to claim 3, wherein if the settlement direction is an oblique angle in the step S1, concrete slabs (3) are poured on two sides corresponding to the oblique angle of the foundation, and then the steps S2 and S3 are repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075609.3A CN108086346B (en) | 2018-01-26 | 2018-01-26 | Uneven settlement reinforcing device and overcoming method for tower crane foundation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075609.3A CN108086346B (en) | 2018-01-26 | 2018-01-26 | Uneven settlement reinforcing device and overcoming method for tower crane foundation |
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| Publication Number | Publication Date |
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| CN108086346A CN108086346A (en) | 2018-05-29 |
| CN108086346B true CN108086346B (en) | 2023-09-08 |
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| CN201810075609.3A Active CN108086346B (en) | 2018-01-26 | 2018-01-26 | Uneven settlement reinforcing device and overcoming method for tower crane foundation |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058069A (en) * | 1991-06-26 | 1992-01-22 | 黄正轩 | The method of correcting and then reinforcing inclined house |
| CN101250886A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Method for reinforcing masonry structure building base |
| CN203007974U (en) * | 2012-12-10 | 2013-06-19 | 中国建筑第八工程局有限公司 | Tower crane foundation structure |
| CN106088141A (en) * | 2014-08-14 | 2016-11-09 | 中国建筑第八工程局有限公司 | For reinforcing the construction method of the base structure of lowering or hoisting gear |
| CN106759439A (en) * | 2016-12-21 | 2017-05-31 | 中国建筑第八工程局有限公司 | For the tower crane and its construction method of foundation ditch |
| CN106836325A (en) * | 2017-04-13 | 2017-06-13 | 青岛建集团有限公司 | A kind of outdoor construction elevator strengthening of foundation device |
| 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 |
| CN208039297U (en) * | 2018-01-26 | 2018-11-02 | 广东省建筑工程机械施工有限公司 | A kind of tower crane differential settlement bracing means |
-
2018
- 2018-01-26 CN CN201810075609.3A patent/CN108086346B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058069A (en) * | 1991-06-26 | 1992-01-22 | 黄正轩 | The method of correcting and then reinforcing inclined house |
| CN101250886A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Method for reinforcing masonry structure building base |
| CN203007974U (en) * | 2012-12-10 | 2013-06-19 | 中国建筑第八工程局有限公司 | Tower crane foundation structure |
| CN106088141A (en) * | 2014-08-14 | 2016-11-09 | 中国建筑第八工程局有限公司 | For reinforcing the construction method of the base structure of lowering or hoisting gear |
| CN106759439A (en) * | 2016-12-21 | 2017-05-31 | 中国建筑第八工程局有限公司 | For the tower crane and its construction method of foundation ditch |
| CN106836325A (en) * | 2017-04-13 | 2017-06-13 | 青岛建集团有限公司 | A kind of outdoor construction elevator strengthening of foundation device |
| 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 |
| CN208039297U (en) * | 2018-01-26 | 2018-11-02 | 广东省建筑工程机械施工有限公司 | A kind of tower crane differential settlement bracing means |
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| CN108086346A (en) | 2018-05-29 |
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