CN103470068A - Detaching method for existing rolling line underground space concrete structure - Google Patents
Detaching method for existing rolling line underground space concrete structure Download PDFInfo
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- CN103470068A CN103470068A CN2013104094709A CN201310409470A CN103470068A CN 103470068 A CN103470068 A CN 103470068A CN 2013104094709 A CN2013104094709 A CN 2013104094709A CN 201310409470 A CN201310409470 A CN 201310409470A CN 103470068 A CN103470068 A CN 103470068A
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- concrete structure
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- dismounting
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- roll line
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Abstract
The invention discloses a detaching method for an existing rolling line underground space concrete structure and belongs to the technical field of metallurgy production device installing. By means of the method, the existing rolling line underground space concrete structure can be detached fast, efficiently and safely under the condition that production is not stopped. According to actual conditions of the underground space concrete structure required to be detached, by combining conditions of a rolling production line required to be installed at a later procedure, a load bearing supporting point and a detaching area are determined, and detaching is conducted by using a rope saw cutting method according to conditions of field hoisting, transportation capacity and hoisting space. In a detaching process, according to determined maximum weight, largest shape and detaching sequence of each concrete block, saw cutting holes are drilled in the underground space concrete structure, corresponding supporting frames are erected, ropes penetrate the holes, and the concrete structure is saw cut into concrete blocks to be transported out of an existing rolling line production field.
Description
Technical field
The present invention relates to a kind of method for dismounting, especially relate to a kind of method for dismounting of existing roll line underground space concrete structure, belong to metallurgical production equipment mounting technique field.
Background technology
Existing roll line underground space concrete structure is very complicated, includes the numerous complicated structures such as beam slab form, post, shear wall, circuit groove, equipment Foundations, and there is inconvenience in online the dismounting.Existing common method for dismounting is all after production line stops production, to adopt the methods such as explosion, pneumatic pick fragmentation to carry out destructiveness to remove.Because described destructive method for dismounting is not only removed, cost is high, the potential safety hazard of demolishing process is large, and the efficiency of removing is extremely low, also can't meet quick, safe, efficient actual requirement.Especially should guarantee that all kinds of facilities in workshop normally move, guarantee the safety in production of roll line, can, after removing existing roll line steel concrete underground space structure, under the actual requirement of the online installation of the newly-increased milling train of expansion, can't be met especially as early as possible again.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and can under the condition that does not stop production, to existing roll line underground space concrete structure, carry out the method for dismounting of the existing roll line underground space concrete structure of fast, efficient, safe dismounting.
For solving the problems of the technologies described above adopted technical scheme, be: a kind of method for dismounting of existing roll line underground space concrete structure, comprise the following steps,
1) set up three-dimensional model diagram, determine and remove zone, the actual conditions of the existing roll line underground space concrete structure of removing are as required set up three-dimensional dismounting illustraton of model, and the situation of the rolling line that need to install in conjunction with postorder is determined the bearing support point of described underground space concrete structure and removes zone;
2) determine the order of dismounting and the point, line, surface of cutting, the situation in the first lifting according to existing roll line production scene and transport capacity, lifting space, the bearing support point of the existing roll line underground space concrete structure of and integrating step 1) determining, determine the dismounting order of described underground space concrete structure, and shape, the weight of the concrete block under removing, then according to concrete shape and weight under described dismounting order and dismounting, determine cut point, line of cut and the cut surface that sawing is removed on described underground space concrete structure;
3) set up support, be drilled with the sawing hole, according to step 2) point, line, surface of definite dismounting order and cutting, be drilled with sawing and remove the cutting hole of use, meanwhile, set up the support that supports the described underground space concrete structure concrete block cut down below the described underground space concrete structure of removing at needs;
4) installing rope saw cutting machine cut described underground space concrete structure, first according to step 2) cutting hole installing rope saw cutting machine that definite dismounting order and step 3) are drilled with, then start described rope saw cutting machine described underground space concrete structure is cut into to step 2) determine the concrete block of shape and weight;
5) transhipment concrete block, behind the lifting point of having determined the described concrete block cut down, utilize the hanging device of existing roll line production scene, the concrete block of the described underground space concrete structure that removes is transported out to described dismounting zone, so just completed the dismounting work of an existing roll line underground space concrete structure.
Be further, described existing roll line underground space concrete structure comprises space beam slab, shear wall and post, when removing the top structure of described space beam slab, the support of setting up in step 3) is full hall pin hand supporting structure, when removing described shear wall and post, the support of setting up in step 3) is for to set up respectively the brace strut cribbing structure in the both sides of described shear wall and post.
Further, in the transhipment of the concrete block of step 5), by first cutting first transhipment, after cut rear transhipment order the concrete block cut down is transported.
The invention has the beneficial effects as follows: due to above-mentioned method for dismounting, the actual conditions of the existing roll line underground space concrete structure removed as required, and after the situation of the rolling line that need to install in conjunction with postorder determines bearing support point and removes zone, again according to the Lifting Capacity of existing roll line production scene, the situation in lifting space adopts the sawing of being restricted of rope saw cutting process to cut dismounting, so in the concrete demolishing process of whole existing roll line underground space structure, do not need rolling line to stop production, do not need to adopt explosion yet, the strong destructive methods such as pneumatic pick fragmentation are removed, the maximum weight of the concrete block that each piece that only needs basis to determine removes, maximum shape and dismounting order, be drilled with the sawing hole on described existing roll line underground space concrete structure, set up corresponding supporting bracket, wire rope handling becomes concrete block to transport existing roll line production scene the sawing of described underground space concrete structure to get final product.Guaranteed the safe, quick and efficient of dismounting, simultaneously, described method for dismounting, owing to not adopting strong destructive removal tool and the methods such as explosion, pneumatic pick fragmentation, can also effectively reduce the generation of production scene dust, reduce and remove the pollution of dust to the steel plate in the operation of rolling, guarantee the quality of rolled products; And each step of the method all combines with on-the-spot actual conditions, thereby it is very strong to make to visit adaptation of methods, can meet the different requirements of Different field situation, add the present invention and take full advantage of on-the-spot lifting condition, can also reduce to greatest extent the dismounting cost.
The specific embodiment
Can't carry out online technical problem of removing to existing roll line underground space concrete structure in order to solve in prior art, provided by the invention a kind of can be at the method for dismounting that does not stop carrying out existing roll line underground space concrete structure under the condition of producing the existing roll line underground space concrete structure of fast, efficient, safe dismounting.Described method for dismounting comprises the following steps,
1) set up three-dimensional model diagram, determine and remove zone, the actual conditions of the existing roll line underground space concrete structure of removing are as required set up three-dimensional dismounting illustraton of model, and the situation of the rolling line that need to install in conjunction with postorder is determined the bearing support point of described underground space concrete structure and removes zone;
2) determine the order of dismounting and the point, line, surface of cutting, the situation in the first lifting according to existing roll line production scene and transport capacity, lifting space, the bearing support point of the existing roll line underground space concrete structure of and integrating step 1) determining, determine the dismounting order of described underground space concrete structure, and shape, the weight of the concrete block under removing, then according to concrete shape and weight under described dismounting order and dismounting, determine cut point, line of cut and the cut surface that sawing is removed on described underground space concrete structure;
3) set up support, be drilled with the sawing hole, according to step 2) point, line, surface of definite dismounting order and cutting, be drilled with sawing and remove the cutting hole of use, meanwhile, set up the support that supports the described underground space concrete structure concrete block cut down below the described underground space concrete structure of removing at needs;
4) installing rope saw cutting machine cut described underground space concrete structure, first according to step 2) cutting hole installing rope saw cutting machine that definite dismounting order and step 3) are drilled with, then start described rope saw cutting machine described underground space concrete structure is cut into to step 2) determine the concrete block of shape and weight;
5) transhipment concrete block, behind the lifting point of having determined the described concrete block cut down, utilize the hanging device of existing roll line production scene, the concrete block of the described underground space concrete structure that removes is transported out to described dismounting zone, so just completed the dismounting work of an existing roll line underground space concrete structure.
Due to above-mentioned method for dismounting, the actual conditions of the existing roll line underground space concrete structure removed as required, and after the situation of the rolling line that need to install in conjunction with postorder determines bearing support point and removes zone, again according to the Lifting Capacity of existing roll line production scene, the situation in lifting space adopts the sawing of being restricted of rope saw cutting process to cut dismounting, so in the concrete demolishing process of whole existing roll line underground space structure, do not need rolling line to stop production, do not need to adopt explosion yet, the strong destructive methods such as pneumatic pick fragmentation are removed, the maximum weight of the concrete block that each piece that only needs basis to determine removes, maximum shape and dismounting order, be drilled with the sawing hole on described existing roll line underground space concrete structure, set up corresponding supporting bracket, wire rope handling becomes concrete block to transport existing roll line production scene the sawing of described underground space concrete structure to get final product.Guaranteed the safe, quick and efficient of dismounting, simultaneously, described method for dismounting, owing to not adopting strong destructive removal tool and the methods such as explosion, pneumatic pick fragmentation, can also effectively reduce the generation of production scene dust, reduce and remove the pollution of dust to the steel plate in the operation of rolling, guarantee the quality of rolled products; And each step of the method all combines with on-the-spot actual conditions, thereby make the compliance of the method very strong, can meet the different requirements of Different field situation, add the present invention and take full advantage of on-the-spot lifting condition, can also reduce to greatest extent the dismounting cost.
In above-mentioned embodiment, in order further to limit the low cost of removing, described existing roll line underground space concrete structure comprises space beam slab, shear wall and post, when removing the top structure of described space beam slab, the support of setting up in step 3) is full hall pin hand supporting structure, when removing described shear wall and post, the support of setting up in step 3) is for to set up respectively the brace strut cribbing structure in the both sides of described shear wall and post.
Simultaneously, in order to accelerate dismounting speed, avoid occurring the work holdup, in the transhipment of the concrete block of step 5), by first cutting first transhipment, after cut rear transhipment order the concrete block cut down is transported.
Claims (3)
1. the method for dismounting of an existing roll line underground space concrete structure is characterized in that: comprises the following steps,
1) set up three-dimensional model diagram, determine and remove zone, the actual conditions of the existing roll line underground space concrete structure of removing are as required set up three-dimensional dismounting illustraton of model, and the situation of the rolling line that need to install in conjunction with postorder is determined the bearing support point of described underground space concrete structure and removes zone;
2) determine the order of dismounting and the point, line, surface of cutting, the situation in the first lifting according to existing roll line production scene and transport capacity, lifting space, the bearing support point of the existing roll line underground space concrete structure of and integrating step 1) determining, determine the dismounting order of described underground space concrete structure, and shape, the weight of the concrete block under removing, then according to concrete shape and weight under described dismounting order and dismounting, determine cut point, line of cut and the cut surface that sawing is removed on described underground space concrete structure;
3) set up support, be drilled with the sawing hole, according to step 2) point, line, surface of definite dismounting order and cutting, be drilled with sawing and remove the cutting hole of use, meanwhile, set up the support that supports the described underground space concrete structure concrete block cut down below the described underground space concrete structure of removing at needs;
4) installing rope saw cutting machine cut described underground space concrete structure, first according to step 2) cutting hole installing rope saw cutting machine that definite dismounting order and step 3) are drilled with, then start described rope saw cutting machine described underground space concrete structure is cut into to step 2) determine the concrete block of shape and weight;
5) transhipment concrete block, behind the lifting point of having determined the described concrete block cut down, utilize the hanging device of existing roll line production scene, the concrete block of the described underground space concrete structure that removes is transported out to described dismounting zone, so just completed the dismounting work of an existing roll line underground space concrete structure.
2. the method for dismounting of a kind of existing roll line underground space concrete structure according to claim 1, it is characterized in that: described existing roll line underground space concrete structure comprises space beam slab, shear wall and post, when removing the top structure of described space beam slab, the support of setting up in step 3) is full hall pin hand supporting structure, when removing described shear wall and post, the support of setting up in step 3) is for to set up respectively the brace strut cribbing structure in the both sides of described shear wall and post.
3. the method for dismounting of a kind of existing roll line underground space concrete structure according to claim 1, it is characterized in that: in the transhipment of the concrete block of step 5), by first cutting first transhipment, after cut rear transhipment order the concrete block cut down is transported.
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| WO2017084210A1 (en) * | 2015-11-16 | 2017-05-26 | 苏文藏 | Inner support wire saw lossless cutting and disassembling structure and construction method therefor |
| CN108193894A (en) * | 2017-12-05 | 2018-06-22 | 深圳市工勘岩土集团有限公司 | The construction method of rope saw dismantling concrete wall |
| CN108678420A (en) * | 2018-05-29 | 2018-10-19 | 深圳市工勘岩土集团有限公司 | A kind of basement bottom board Demolition Construction method |
| CN109339483A (en) * | 2018-10-24 | 2019-02-15 | 中国二十冶集团有限公司 | Underground fuel tank dismantles construction method |
| CN109680984A (en) * | 2018-12-27 | 2019-04-26 | 广州市住宅建设发展有限公司 | Armored concrete air channel structure Demolition Construction method based on BIM technology |
| CN109723233A (en) * | 2018-12-28 | 2019-05-07 | 中国二十冶集团有限公司 | Buddha's warrior attendant chain fly-cutting concrete construction method |
| CN111395799A (en) * | 2020-03-25 | 2020-07-10 | 中国一冶集团有限公司 | Low-disturbance basement communication port outer wall efficient dismantling construction method |
| CN112523259A (en) * | 2020-12-08 | 2021-03-19 | 上海金鹿建设(集团)有限公司 | Civil air defense dismantling method and foundation pit construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017084210A1 (en) * | 2015-11-16 | 2017-05-26 | 苏文藏 | Inner support wire saw lossless cutting and disassembling structure and construction method therefor |
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| CN109339483A (en) * | 2018-10-24 | 2019-02-15 | 中国二十冶集团有限公司 | Underground fuel tank dismantles construction method |
| CN109680984A (en) * | 2018-12-27 | 2019-04-26 | 广州市住宅建设发展有限公司 | Armored concrete air channel structure Demolition Construction method based on BIM technology |
| CN109723233A (en) * | 2018-12-28 | 2019-05-07 | 中国二十冶集团有限公司 | Buddha's warrior attendant chain fly-cutting concrete construction method |
| CN111395799A (en) * | 2020-03-25 | 2020-07-10 | 中国一冶集团有限公司 | Low-disturbance basement communication port outer wall efficient dismantling construction method |
| CN112523259A (en) * | 2020-12-08 | 2021-03-19 | 上海金鹿建设(集团)有限公司 | Civil air defense dismantling method and foundation pit construction method |
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