CN114482618A - Construction method for static force demolition of reinforced concrete structure - Google Patents
Construction method for static force demolition of reinforced concrete structure Download PDFInfo
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- CN114482618A CN114482618A CN202210008981.9A CN202210008981A CN114482618A CN 114482618 A CN114482618 A CN 114482618A CN 202210008981 A CN202210008981 A CN 202210008981A CN 114482618 A CN114482618 A CN 114482618A
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- reinforced concrete
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- concrete structure
- hoisting
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 117
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000003068 static effect Effects 0.000 title claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 87
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 2
- 239000004567 concrete Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Classifications
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a construction method for dismantling a static force of a reinforced concrete structure, which is characterized by constructing a working site aiming at the reinforced concrete structure to be cut and measuring the size of the reinforced concrete structure to be cut; determining the block division of the cutting part; determining a cutting sequence based on the division of the cutting part, and hoisting the part to be cut of the partitioned reinforced concrete structure by using hoisting equipment; fixing the wire saw in place based on the cutting position; starting the wire saw to cut the cutting part; hoisting the cut reinforced concrete part by hoisting equipment and placing the cut reinforced concrete part outside a cutting workplace in a centralized manner; and transferring a plurality of reinforced concrete cutting parts outside the working site to a reasonable site for crushing treatment, and finishing the whole static force dismantling construction at the moment. The invention can realize the static separation of the reinforced concrete structure, has high cutting efficiency in the separation and cutting process, is safe and reliable, and is beneficial to popularization and application.
Description
Technical Field
The invention relates to the technical field, in particular to a construction method for dismantling a static force of a reinforced concrete structure.
Background
At present, the concrete structure is dismantled mainly by breaking the concrete structure with a pneumatic pick breaking hammer and the like, and then cutting off the steel bars with steel bar cutting equipment to complete the dismantling of the reinforced concrete structure. The method mainly achieves the purpose of destroying the concrete structure by carrying out integral vibration crushing on the concrete structure through a tool, has larger integral vibration on the concrete structure, causes the concrete to present damage in a range, and can cause an uncontrollable structural destruction surface for reinforced concrete members except for the position needing to be removed. Therefore, a construction method for dismantling the static force of the reinforced concrete structure is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a static force dismantling construction method for a reinforced concrete structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a construction method for dismantling a static force of a reinforced concrete structure comprises the following steps:
s1: building a working site for the reinforced concrete structure to be cut, and measuring the size of the reinforced concrete structure to be cut;
s2: carrying out block ink fountain snapping line division on a reinforced concrete structure to be cut based on the hoisting tonnage of hoisting equipment, and determining block division of a cutting part;
s3: determining a cutting sequence based on the division of the cutting part, hoisting the part to be cut of the partitioned reinforced concrete structure by using hoisting equipment, and ensuring that a hoisting rope is in a stressed state;
s4: fixing the wire saw in place based on the cutting position;
s5: threading a fine steel wire saw between the cutting part and the wire saw machine, and starting the wire saw machine to cut the cutting part;
s6: after cutting, hoisting the cut reinforced concrete parts by using hoisting equipment, intensively placing the cut reinforced concrete parts outside a cutting working site, and sequentially cutting the subsequent parts to be cut based on the cutting sequence determined by correcting S3;
s7: after the sequential cutting is finished, transferring a plurality of reinforced concrete cutting parts placed outside a working field to a reasonable field for crushing treatment, and finishing the whole static force dismantling construction.
Preferably, in the step S1, the construction site is based on a site environment where the reinforced concrete structure to be cut is located, for example, scaffolds need to be built around the reinforced concrete structure to be cut, and a protective cover needs to be built for an auxiliary facility below the reinforced concrete structure to be cut.
Preferably, in step S3, the determined cutting order is determined by:
h1: a floor slab connected to the reinforced concrete structure which does not need to be cut;
h2: a frame beam connected to the reinforced concrete structure which does not need to be cut;
h3: a shear wall connected to the reinforced concrete structure which does not require cutting;
h4: based on the steps H1, H2 and H3, the rope sawing machine is used for completing the complete segmentation of the reinforced concrete structure to be cut and the part which does not need to be cut among the reinforced concrete structures;
h5, determining the cutting sequence according to the sequence of the reinforced concrete slab → the reinforced concrete beam → the reinforced concrete wall → the reinforced concrete column.
Preferably, in the case that the reinforced concrete structure to be cut is not connected with a reinforced concrete structure not to be cut, the cutting sequence is determined as follows: and determining the cutting sequence according to the sequence of the reinforced concrete slab → the reinforced concrete beam → the reinforced concrete wall → the reinforced concrete column.
Preferably, in step S5, based on the fact that the site to be cut cannot be cut by the diamond wire saw, the site to be cut is drilled by a water drill with a diameter of 50mm, and then the diamond wire saw is inserted after the drilling.
The construction method for dismantling the static force of the reinforced concrete structure has the following beneficial effects: in the application process of the technical scheme, the cutting of the reinforced concrete structure can be realized, the cutting efficiency in the cutting process is high, the labor cost is low, and the cutting method is safe and reliable; the vibration and noise in the cutting process are very small, and the cut body can be statically separated under the stable condition, so that the great influence on the surrounding environment of the reinforced concrete structure is avoided; the shape and size of the cut object can be limited, and the cut object can be cut in any direction, such as a diagonal direction, a vertical direction, a transverse direction and the like; further, under the condition that the reinforced concrete to be cut is connected with the reinforced concrete structure which does not need to be cut, the influence of vibration and the like on the reinforced concrete structure which does not need to be cut can be avoided, the stability and the reliability of the reserved reinforced concrete structure part which does not need to be cut and the integrity of a cutting surface are ensured, and the popularization and the application are facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to embodiments 1-2 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1, in the case where a reinforced concrete structure requiring cutting is connected with a reinforced concrete structure not requiring cutting: a construction method for dismantling a static force of a reinforced concrete structure comprises the following steps:
s1: a working site is built for the reinforced concrete structure to be cut, and the size of the reinforced concrete structure to be cut is measured;
s2: carrying out block ink fountain snapping line division on a reinforced concrete structure to be cut based on the hoisting tonnage of hoisting equipment, and determining block division of a cutting part;
s3: determining a cutting sequence based on the division of the cutting part, hoisting the part to be cut of the partitioned reinforced concrete structure by using hoisting equipment, and ensuring that a hoisting rope is in a stressed state;
s4: fixing the wire saw in place based on the cutting position;
s5: threading a fine steel wire saw between the cutting part and the wire saw machine, and starting the wire saw machine to cut the cutting part;
s6: after cutting, hoisting the cut reinforced concrete parts by using hoisting equipment, intensively placing the cut reinforced concrete parts outside a cutting working site, and sequentially cutting the subsequent parts to be cut based on the cutting sequence determined by correcting S3;
s7: after the sequential cutting is finished, transferring a plurality of reinforced concrete cutting parts placed outside a working field to a reasonable field for crushing treatment, and finishing the whole static force dismantling construction.
In step S1, a site environment where the work site is located based on the reinforced concrete structure to be cut is established, for example, scaffolds need to be established around the reinforced concrete structure to be cut, and a protective cover needs to be established for an auxiliary facility below the reinforced concrete structure.
In step S3, the determined cutting order is determined by:
h1: a floor slab connected to a reinforced concrete structure which does not require cutting;
h2: a frame beam connected to the reinforced concrete structure which does not need to be cut;
h3: a shear wall connected to the reinforced concrete structure which does not require cutting;
h4: based on the steps H1, H2 and H3, the rope sawing machine is used for completing the complete segmentation of the reinforced concrete structure to be cut and the part which does not need to be cut among the reinforced concrete structures;
h5, determining the cutting sequence according to the sequence of the reinforced concrete slab → the reinforced concrete beam → the reinforced concrete wall → the reinforced concrete column.
In step S5, based on the situation that the site to be cut cannot be cut by the diamond wire saw, the site to be cut is drilled by a water drill with a diameter of 50mm, and then the diamond wire saw is inserted into the drilled hole.
Example 2, in the case where the reinforced concrete structure requiring cutting is not connected with a reinforced concrete structure not requiring cutting: a construction method for dismantling a static force of a reinforced concrete structure comprises the following steps:
s1: a working site is built for the reinforced concrete structure to be cut, and the size of the reinforced concrete structure to be cut is measured;
s2: carrying out block ink fountain snapping line division on a reinforced concrete structure to be cut based on the hoisting tonnage of hoisting equipment, and determining block division of a cutting part;
s3: determining a cutting sequence based on the division of the cutting part, hoisting the part to be cut of the partitioned reinforced concrete structure by using hoisting equipment, and ensuring that a hoisting rope is in a stressed state;
s4: fixing the wire saw in place based on the cutting position;
s5: threading a fine steel wire saw between the cutting part and the wire saw machine, and starting the wire saw machine to cut the cutting part;
s6: after cutting, hoisting the cut reinforced concrete cutting parts by hoisting equipment, intensively placing the cut reinforced concrete cutting parts outside a cutting working site, and sequentially cutting the subsequent parts to be cut based on the cutting sequence determined by correcting S3;
s7: after the sequential cutting is finished, transferring a plurality of reinforced concrete cutting parts placed outside a working field to a reasonable field for crushing treatment, and finishing the whole static force dismantling construction.
In step S1, a site environment where the work site is located based on the reinforced concrete structure to be cut is established, for example, scaffolds need to be established around the reinforced concrete structure to be cut, and a protective cover needs to be established for an auxiliary facility below the reinforced concrete structure.
In step S3, the determined cutting order is determined by:
and determining the cutting sequence according to the sequence of the reinforced concrete slab → the reinforced concrete beam → the reinforced concrete wall → the reinforced concrete column.
In step S5, based on the situation that the site to be cut cannot be cut by the diamond wire saw, the site to be cut is drilled by a water drill with a diameter of 50mm, and then the diamond wire saw is inserted into the drilled hole.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A construction method for dismantling a static force of a reinforced concrete structure is characterized by comprising the following steps:
s1: building a working site for the reinforced concrete structure to be cut, and measuring the size of the reinforced concrete structure to be cut;
s2: carrying out block ink fountain snapping line partitioning on a reinforced concrete structure to be cut based on the hoisting tonnage of hoisting equipment, and determining block partitioning of a cutting part;
s3: determining a cutting sequence based on the division of the cutting part, hoisting the part to be cut of the partitioned reinforced concrete structure by using hoisting equipment, and ensuring that a hoisting rope is in a stressed state;
s4: fixing the wire saw in place based on the cutting position;
s5: threading a fine steel wire saw between the cutting part and the wire saw machine, and starting the wire saw machine to cut the cutting part;
s6: after cutting, hoisting the cut reinforced concrete parts by using hoisting equipment, intensively placing the cut reinforced concrete parts outside a cutting working site, and sequentially cutting the subsequent parts to be cut based on the cutting sequence determined by correcting S3;
s7: after the cutting is completed in sequence, a plurality of reinforced concrete cutting parts placed outside a working field are transferred to a reasonable field for crushing treatment, and at the moment, the whole static force dismantling construction is completed.
2. A static demolition construction method for a reinforced concrete structure according to claim 1, wherein in the step S1, a construction site is built based on a site environment where the reinforced concrete structure to be cut is located, such as scaffolds to be built around the reinforced concrete structure to be cut and a protective cover to be built for an auxiliary facility below the reinforced concrete structure to be cut.
3. A static demolition construction method of a reinforced concrete structure according to claim 1 wherein in step S3, the determination method of the determined cutting sequence is:
h1: a floor slab connected to the reinforced concrete structure which does not need to be cut;
h2: a frame beam connected to the reinforced concrete structure which does not need to be cut;
h3: a shear wall connected to the reinforced concrete structure which does not require cutting;
h4: based on the steps H1, H2 and H3, the rope sawing machine is used for completing the complete segmentation of the reinforced concrete structure to be cut and the part which does not need to be cut among the reinforced concrete structures;
h5, determining the cutting sequence according to the sequence of the reinforced concrete slab → the reinforced concrete beam → the reinforced concrete wall → the reinforced concrete column.
4. A method for static demolition construction of a reinforced concrete structure according to claim 3, wherein in case that the reinforced concrete structure to be cut is not connected with a reinforced concrete structure that does not need to be cut, the determination of the cutting sequence is: and determining the cutting sequence according to the sequence of the reinforced concrete slab → the reinforced concrete beam → the reinforced concrete wall → the reinforced concrete column.
5. A static force demolition construction method for a reinforced concrete structure according to claim 1, wherein in step S5, based on the situation that the site to be cut cannot be cut by the diamond wire saw, a hole is made in the site to be cut by using a water drill with a diameter of 50mm, and then the diamond wire saw is inserted after the hole is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008981.9A CN114482618A (en) | 2022-01-05 | 2022-01-05 | Construction method for static force demolition of reinforced concrete structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210008981.9A CN114482618A (en) | 2022-01-05 | 2022-01-05 | Construction method for static force demolition of reinforced concrete structure |
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Citations (9)
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|---|---|---|---|---|
| CN101985858A (en) * | 2010-09-30 | 2011-03-16 | 中国华西企业有限公司 | Hydraulic fracturing stripping unbonded prestressed reinforcement surface concrete construction method |
| CN103291085A (en) * | 2013-06-07 | 2013-09-11 | 陈春来 | Concrete static force cutting dismantling construction method |
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| CN105569376A (en) * | 2015-12-17 | 2016-05-11 | 上海建工一建集团有限公司 | Demolition construction method for building wall |
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| CN111335672A (en) * | 2020-03-30 | 2020-06-26 | 中铁二十二局集团第五工程有限公司 | Diamond wire saw cutting construction method |
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-
2022
- 2022-01-05 CN CN202210008981.9A patent/CN114482618A/en active Pending
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Application publication date: 20220513 |
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