CN113187247A - Construction method of cast-in-situ cup-mouth foundation steel structure - Google Patents
Construction method of cast-in-situ cup-mouth foundation steel structure Download PDFInfo
- Publication number
- CN113187247A CN113187247A CN202110367409.7A CN202110367409A CN113187247A CN 113187247 A CN113187247 A CN 113187247A CN 202110367409 A CN202110367409 A CN 202110367409A CN 113187247 A CN113187247 A CN 113187247A
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- steel
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- wedge
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- steel column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method of a cast-in-place cup rim foundation steel structure, which comprises the following steps of 1: measuring the dug cup mouth by a worker, measuring the elevation of the cup bottom, if the elevation is ultrahigh, removing the cup bottom, and if the elevation is ultralow, adjusting the cup bottom to the corresponding elevation by using a cushion block; step 2: after the specification of the cup bottom is measured and adjusted to reach the standard, the cup opening is reinforced through the steel wedge, then one end of the wind cable is fixed on the outer wall of the steel column, and then a proper hoisting machine is selected to hoist the steel column. Has the advantages that: according to the invention, by arranging the distance measuring sensor, the signal transmitter, the remote controller and the display screen, in the hoisting process, the distance from the surface of the steel column to the steel wedge is measured by the distance measuring sensor on the inner wall of the steel wedge, then the measured data is transmitted to the display screen on the remote controller by the signal transmitter, and meanwhile, the camera on the surface of the steel wedge also transmits a camera image, so that the camera image is convenient for a worker to watch, the worker can remotely operate, and the safety in the construction process is effectively improved.
Description
Technical Field
The invention relates to the technical field of construction methods of cup rim foundation steel structures, in particular to a construction method of a cast-in-place cup rim foundation steel structure.
Background
Along with social development, the building technology is continuously updated, people's consciousness of energy conservation and emission reduction is continuously improved, higher requirements are also put forward on aspects such as sensory property, practicability, suitability, economical efficiency and the like of building engineering, and as the steel structure has many points such as high steel strength, small component area, good earthquake resistance, light dead weight, low manufacturing cost, high production and manufacturing industrialization degree, small field installation workload, high speed, antique appearance killing and high internal space utilization rate, the steel structure is widely applied to construction of industrial plants, high-rise buildings, steel and concrete structures and bridge structures in recent years, the steel structure has a few points in many aspects compared with a concrete frame structure, and is rapidly developed and widely applied, and the existing construction method for the cast-in-situ cup foundation steel structure mainly has the following problems.
1. Because the field installation needs to be hoisted, and workers work in a hoisting environment, accidents are easily caused, and the safety of the workers is greatly influenced.
2. When adjustment steel column position and straightness that hangs down, need manual operation top tight device, just also rotate the handle and then carry out the top tightly to the steel column promptly, make it adjust position and straightness that hangs down, not only increase staff's working strength, the deviation appears in addition easily, influences the performance of steel column.
3. Can be with some earth unrestrained when pulling out the steel wedge, and then need the manual work to clear up, and because the restriction of operating space, lead to not being convenient for clear up it, increase staff's fatigue.
Disclosure of Invention
The invention aims to solve the problems and provide a construction method of a cast-in-place cup rim foundation steel structure.
The invention realizes the purpose through the following technical scheme:
a construction method of a cast-in-place cup rim foundation steel structure comprises the following steps:
step 1: measuring the dug cup mouth by a worker, measuring the elevation of the cup bottom, if the elevation is ultrahigh, removing the cup bottom, and if the elevation is ultralow, adjusting the cup bottom to the corresponding elevation by using a cushion block;
step 2: after the specification of the cup bottom is measured and adjusted to reach the standard, the cup mouth is reinforced through a steel wedge, then one end of a wind cable is fixed on the outer wall of the steel column, and then a proper hoisting machine is selected to hoist the steel column;
and step 3: in the hoisting process, the distance from the surface of the steel column to the steel wedge is measured through a distance measuring sensor on the inner wall of the steel wedge, then the measured data is transmitted to a display screen on a remote controller through a signal transmitter, and meanwhile, a camera on the surface of the steel wedge also transmits a camera image, so that a worker can conveniently watch the camera image;
and 4, step 4: the working personnel control the cylinder on the jacking device to act through the shooting picture and the measured data, so that the working personnel push the top plate and manually pull the wind-holding rope to right and position the steel column, the verticality of the steel column is ensured, and then the face of the steel column is changed and placed in the cup opening;
and 5: and after the steel column is placed in the cup opening, concrete is poured, the steel wedge is poured to the bottom of the steel wedge for the first time, and then the steel wedge is pulled out for the second pouring.
Further, the method for measuring the standard reaching in the step 2 is to recheck the relevant dimension at the cup mouth and recheck the dimension below the positioning dimension line by using the line plummet, so as to check whether the cup wall reaches the standard or not.
Furthermore, the signal emitter in the step 3 can transmit the image and the detection data to a display screen in the remote controller, so that the remote operation of workers can be realized, and the safety in the construction process is effectively improved.
Further, the steel wedge can be pulled out only when the concrete strength reaches about 75% in the first pouring in the step 5, scattered soil can be collected by the collecting tank at the bottom end of the back wall of the steel wedge when the steel wedge is pulled out, the scattered soil is further prevented from scattering on concrete, later cleaning is not needed, and wind ropes can be removed only when the concrete strength of the two times of pouring reaches the design requirements.
The invention has the beneficial effects that:
1. according to the invention, by arranging the distance measuring sensor, the signal transmitter, the remote controller and the display screen, in the hoisting process, the distance from the surface of the steel column to the steel wedge is measured by the distance measuring sensor on the inner wall of the steel wedge, then the measured data is transmitted to the display screen on the remote controller by the signal transmitter, and meanwhile, the camera on the surface of the steel wedge also transmits a camera image, so that the camera image is convenient for a worker to watch, the worker can remotely operate, and the safety in the construction process is effectively improved;
2. according to the invention, the air cylinder and the top plate are arranged, and the air cylinder and the top plate can automatically centralize and position the steel column without manual operation, so that the working strength of workers is reduced, the adjusting precision is ensured, and the service performance of the steel column is further ensured;
3. according to the invention, the collecting tank is arranged at the bottom end of the back wall of the steel wedge, so that scattered soil can be collected by the collecting tank at the bottom end of the back wall of the steel wedge when the steel wedge is pulled out, and further the scattered soil is prevented from being scattered on concrete, and the later cleaning is not needed, so that manpower and material resources are saved.
Detailed Description
A construction method of a cast-in-place cup rim foundation steel structure comprises the following steps:
step 1: measuring the dug cup mouth by a worker, measuring the elevation of the cup bottom, if the elevation is ultrahigh, removing the cup bottom, and if the elevation is ultralow, adjusting the cup bottom to the corresponding elevation by using a cushion block;
step 2: after the specification of the cup bottom is measured and adjusted to reach the standard, the cup mouth is reinforced through a steel wedge, then one end of a wind cable is fixed on the outer wall of the steel column, and then a proper hoisting machine is selected to hoist the steel column;
and step 3: in the hoisting process, the distance from the surface of the steel column to the steel wedge is measured through a distance measuring sensor on the inner wall of the steel wedge, then the measured data is transmitted to a display screen on a remote controller through a signal transmitter, and meanwhile, a camera on the surface of the steel wedge also transmits a camera image, so that a worker can conveniently watch the camera image;
and 4, step 4: the working personnel control the cylinder on the jacking device to act through the shooting picture and the measured data, so that the working personnel push the top plate and manually pull the wind-holding rope to right and position the steel column, the verticality of the steel column is ensured, and then the face of the steel column is changed and placed in the cup opening;
and 5: and after the steel column is placed in the cup opening, concrete is poured, the steel wedge is poured to the bottom of the steel wedge for the first time, and then the steel wedge is pulled out for the second pouring.
In this embodiment, the method for the measurement in step 2 to reach the standard includes checking the relevant dimension at the cup mouth, and checking the dimension with the line bob under the positioning dimension line, respectively, to check whether the cup wall reaches the standard.
In this embodiment, the signal transmitter in step 3 can transmit the image and the detection data to the display screen in the remote controller, so that the worker can operate remotely, and the safety during construction is effectively improved.
In this embodiment, the steel wedge can be pulled out only when the concrete strength reaches about 75% in the first pouring in step 5, and the collecting tank at the bottom end of the back wall of the steel wedge can collect scattered soil when the steel wedge is pulled out, so as to prevent the scattered soil from scattering on the concrete, and the cleaning in the later period is not needed, and the wind rope can be removed only when the concrete strength of the two times of pouring reaches the design requirement.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A construction method of a cast-in-place cup rim foundation steel structure is characterized by comprising the following steps: it comprises the following steps:
step 1: measuring the dug cup mouth by a worker, measuring the elevation of the cup bottom, if the elevation is ultrahigh, removing the cup bottom, and if the elevation is ultralow, adjusting the cup bottom to the corresponding elevation by using a cushion block;
step 2: after the specification of the cup bottom is measured and adjusted to reach the standard, the cup mouth is reinforced through a steel wedge, then one end of a wind cable is fixed on the outer wall of the steel column, and then a proper hoisting machine is selected to hoist the steel column;
and step 3: in the hoisting process, the distance from the surface of the steel column to the steel wedge is measured through a distance measuring sensor on the inner wall of the steel wedge, then the measured data is transmitted to a display screen on a remote controller through a signal transmitter, and meanwhile, a camera on the surface of the steel wedge also transmits a camera image, so that a worker can conveniently watch the camera image;
and 4, step 4: the working personnel control the cylinder on the jacking device to act through the shooting picture and the measured data, so that the working personnel push the top plate and manually pull the wind-holding rope to right and position the steel column, the verticality of the steel column is ensured, and then the face of the steel column is changed and placed in the cup opening;
and 5: and after the steel column is placed in the cup opening, concrete is poured, the steel wedge is poured to the bottom of the steel wedge for the first time, and then the steel wedge is pulled out for the second pouring.
2. The construction method of the cast-in-place cup rim foundation steel structure according to claim 1, characterized in that: the method for measuring the standard reaching in the step 2 is to recheck the relevant size at the cup mouth and recheck the size under the positioning size line by using a line weight respectively, so that whether the cup wall reaches the standard can be checked.
3. The construction method of the cast-in-place cup rim foundation steel structure according to claim 1, characterized in that: the signal transmitter in the step 3 can transmit the image and the detection data to a display screen in the remote controller, so that the remote operation of workers can be realized, and the safety in the construction process is effectively improved.
4. The construction method of the cast-in-place cup rim foundation steel structure according to claim 1, characterized in that: in the step 5, the steel wedge can be pulled out only when the concrete strength reaches about 75% in the first pouring, scattered soil can be collected by the collecting tank at the bottom end of the back wall of the steel wedge when the steel wedge is pulled out, the scattered soil is further prevented from being scattered on concrete, the later cleaning is not needed, and the wind rope can be removed only after the concrete strength of the two times of pouring reaches the design requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367409.7A CN113187247A (en) | 2021-04-06 | 2021-04-06 | Construction method of cast-in-situ cup-mouth foundation steel structure |
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| CN202110367409.7A CN113187247A (en) | 2021-04-06 | 2021-04-06 | Construction method of cast-in-situ cup-mouth foundation steel structure |
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| CN113187247A true CN113187247A (en) | 2021-07-30 |
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| CN202110367409.7A Pending CN113187247A (en) | 2021-04-06 | 2021-04-06 | Construction method of cast-in-situ cup-mouth foundation steel structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931216A (en) * | 2021-09-16 | 2022-01-14 | 中交第四公路工程局有限公司 | Construction method for hoisting pipe gallery steel members |
| CN114000532A (en) * | 2021-11-17 | 2022-02-01 | 中国二十冶集团有限公司 | Mounting and positioning method for cup-mouth foundation square steel column |
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2021
- 2021-04-06 CN CN202110367409.7A patent/CN113187247A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931216A (en) * | 2021-09-16 | 2022-01-14 | 中交第四公路工程局有限公司 | Construction method for hoisting pipe gallery steel members |
| CN114000532A (en) * | 2021-11-17 | 2022-02-01 | 中国二十冶集团有限公司 | Mounting and positioning method for cup-mouth foundation square steel column |
| CN114000532B (en) * | 2021-11-17 | 2023-02-21 | 中国二十冶集团有限公司 | Mounting and positioning method for cup-mouth foundation square steel column |
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Application publication date: 20210730 |
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