CN105569377A - Method for demounting reinforced concrete supporting beam - Google Patents
Method for demounting reinforced concrete supporting beam Download PDFInfo
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- CN105569377A CN105569377A CN201610111182.9A CN201610111182A CN105569377A CN 105569377 A CN105569377 A CN 105569377A CN 201610111182 A CN201610111182 A CN 201610111182A CN 105569377 A CN105569377 A CN 105569377A
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- reinforced concrete
- concrete brace
- dismounting
- brace
- section
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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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
Abstract
The invention relates to the technical field of building construction, in particular to a method for demounting a reinforced concrete supporting beam. The method aims at solving the problems that when an existing mechanical crushing method and other methods are used for demounting the reinforced concrete supporting beam, the requirement for a construction site is high, noise is large, pollution is severe, and the ambient environment is seriously influenced. The method comprises the steps that 1, cutting sections are divided, and a supporting system is set; 2, the number and positions of discharge holes of each section of the reinforced concrete supporting beam are determined, and a drilling device is adopted for completing drilling construction of the rows of continuous discharge holes in sequence; 3, protection reinforcement meshes on the two sides of the sections of the reinforced concrete supporting beam are cut till a complete connecting-disconnecting face is formed; 4, the step 2 and the step 3 are repeated till the whole reinforced concrete supporting beam is demounted. The method for demounting the reinforced concrete supporting beam is environmentally friendly, easy and convenient to operate and suitable for demounting the reinforced concrete supporting beam in a complex construction environment.
Description
Technical field
The present invention relates to technical field of building construction, particularly a kind of method for dismounting of reinforced concrete brace.
Background technology
In Process of Urban Development, along with development that is high-rise, super highrise building, deep foundation ditch also gets more and more, and also inevitably appears in the deep pit construction under environment with a varied topography.In order to protect the safety of around building and deep foundation ditch self structure, effective supporting must be carried out to deep foundation ditch in work progress, often needing to arrange space enclosing structure in deep foundation ditch surrounding.Reinforced concrete brace is widely used in deep footing groove enclosing structure because can effectively control the plurality of advantages such as foundation pit deformation, and returning to build in work progress at foundation pit structure needs to remove reinforced concrete brace.But due to the complexity of construction work, the demolishing process of reinforced concrete brace often causes adverse effect to surrounding environment.Traditional employing pick machine etc. carries out Mechanical Crushing dismounting method and removes reinforced concrete brace and there are some drawbacks: one needs heavy mechanical equipment to construct when being mechanical removal, high to construction plant space requirement; Two is there is the shortcoming that noise is large, vibrations are large, dust is large in mechanical removal process, affects surrounding enviroment.Also can there is foregoing problems in demolition blasting method in addition.Therefore, how providing a kind of environmental protection and the method for dismounting of reinforced concrete brace under being applicable to complicated construction environment, is the technical problem that those skilled in the art need solution badly.
Summary of the invention
Carry out in the reinforced concrete brace process in Mechanical Crushing dismounting method or demolition blasting method dismounting deep footing groove enclosing structure for existing employing pick machine etc., not only high to construction plant space requirement, and have that noise is large, dust is large, the problem that has a strong impact on surrounding environment, the object of this invention is to provide a kind of mode of being cut by round and carry out reinforced concrete brace Demolition Construction, environmental protection, easy and simple to handle and be applicable to the dismounting of the reinforced concrete brace in complicated construction environment.
The technical solution adopted for the present invention to solve the technical problems is:
A method for dismounting for reinforced concrete brace, comprises the steps:
One, some sections are divided into reinforced concrete brace, and some support systems are set in the below of described reinforced concrete brace;
Two, determine round number n and the round position of each section, adopt drilling equipment to complete this section round boring work successively, make the both sides in this sector width direction form in a row round continuously;
Three, the protection steel mesh reinforcement of these both sides, sector width direction is cut off along described in a row continuous round, until described reinforced concrete brace forms break-make face completely in this position, sector width direction, this section is made to depart from whole described reinforced concrete brace completely;
Four, repeating said steps two is to described step 3, completes the cutting of whole described reinforced concrete brace, forms some independently reinforced concrete brace sections.
Further, after described step 4, also comprise step 5, fragmentation is carried out in the appointed place that described reinforced concrete brace section is transported to beyond construction plant.
Further, described support system is scalable and moveable fabricated construction, and the top of described support system is provided with jack or bolt type jacking component, and the bottom of described support system is provided with steel roller.
Further, described support system is the i iron split heads of section steel manufacture.
Further, described drilling equipment comprises base, fuselage, drill bit lifting gear, connecting rod and at least two independent drill bits controlled, described connecting rod is fixedly connected with described drill bit with described drill bit lifting gear respectively, described drill sleeve is located on fuselage, and described fuselage is fixedly installed on described base.
Further, also comprise guide rail, the two ends of described guide rail are by buckle-type bolt clip in described reinforced concrete brace surface, and described base to be fastened on described guide rail and can to move along described guide rail.
Further, the length range of described reinforced concrete brace section is 2m ~ 3m.
The technique effect that the present invention is useful is: first the method for dismounting of reinforced concrete brace provided by the invention determines the sector number of reinforced concrete brace, and arranges support system in the below of reinforced concrete brace; Secondly adopt drilling equipment to complete in reinforced concrete brace the drilling construction of each independently reinforced concrete brace section both sides round successively, make the both sides of the reinforced concrete brace section except reinforced concrete brace two ends form continuous round; Then the segmentation cutting of all reinforced concrete brace sections is completed successively according to the mode of the continuous in a row protection steel mesh reinforcement at round position place cutting off reinforced concrete brace section both sides simultaneously; Finally adopt lifting device transport reinforced concrete brace section, thus complete the Demolition Construction of whole reinforced concrete support 9.The method for dismounting of reinforced concrete brace of the present invention, adopt the mode of round segmentation cutting, can not only meet the Demolition Construction of the reinforced concrete brace under complicated construction environment, and in round cutting process, noise is little, dust is little, safety and environmental protection, little to construction plant ambient influence.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of drilling equipment in one embodiment of the invention;
Fig. 2 is the scheme of installation of support system in one embodiment of the invention;
Fig. 3 is the structural representation of reinforced concrete brace section in one embodiment of the invention;
Fig. 4 is the method for dismounting flow chart of reinforced concrete brace in one embodiment of the invention.
In figure:
1-base; 2-fuselage; 3-drill bit lifting gear; 4-connecting rod; 5-drill bit; 6-guide rail; 7-support system; 8-round; 9-reinforced concrete brace, 10 reinforced concrete brace sections.
Detailed description of the invention
Be described in further detail below in conjunction with the method for dismounting of the drawings and specific embodiments to a kind of reinforced concrete brace that the present invention proposes.According to explanation below, advantages and features of the invention will be clearer.Below by cited embodiment by reference to the accompanying drawings, technology contents of the present invention and feature will be described in detail.Need to illustrate in addition, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
Embodiment one
The method for dismounting of composition graphs 1 to Fig. 4 detail specifications reinforced concrete brace of the present invention.
The method for dismounting of reinforced concrete brace, comprises the steps:
Step one, some sections are divided into reinforced concrete brace, and some support systems 7 are set in the below of reinforced concrete brace 9;
Step 2, determine the number n of the round 8 of each section and the position of round 8, adopt drilling equipment to complete the boring work of this section round successively, make the both sides of this reinforced concrete brace section 10 width form in a row round 8 continuously;
Step 3, cut off the protection steel mesh reinforcement of these both sides, sector width direction along in a row continuously round, until reinforced concrete brace 9 forms break-make face completely at this reinforced concrete brace section 10 width position place, this reinforced concrete brace section 10 is made to depart from whole reinforced concrete brace 9 completely;
Step 4, repeating said steps two, to described step 3, complete the cutting of whole reinforced concrete brace 9, form some independently reinforced concrete brace sections 10;
Step 5, employing lifting device transport reinforced concrete brace section 10, thus complete the Demolition Construction of reinforced concrete brace 9.
Specifically, foundation pit structure returns the stage of building, according to site operation environment, in conjunction with designing requirement, the method for dismounting at each position in foundation pit enclosure structure (comprise and enclose purlin, reinforced concrete brace etc.) is determined in assessment, enclose purlin in the present embodiment and adopt rope saw cutting process cutting disassembling, reinforced concrete brace 9 is removed in the following way: the segments first determining reinforced concrete brace 9, and arranges support system 7 in the below of reinforced concrete brace 9; Secondly adopt drilling equipment to complete in reinforced concrete brace 9 drilling construction of each independently reinforced concrete brace section 10 both sides round 8 successively, make the both sides of the reinforced concrete brace section 10 except reinforced concrete brace 9 two ends form continuous round 8; Then the segmentation cutting of all reinforced concrete brace sections 10 is completed successively according to the mode of the continuous in a row protection steel mesh reinforcement at round 8 position place cutting off reinforced concrete brace section 10 both sides simultaneously; Finally adopt lifting device transport reinforced concrete brace section 10, thus complete the Demolition Construction of whole reinforced concrete brace 9.The method for dismounting of reinforced concrete brace of the present invention, adopt the mode of round segmentation cutting, can not only meet the Demolition Construction of the reinforced concrete brace under complicated construction environment, and in round cutting process, noise is little, dust is little, safety and environmental protection, little to construction plant ambient influence.
Preferably, in order to reduce reinforced concrete brace 9 Demolition Construction further to the impact of building operations place surrounding enviroment, after step 4, also comprise step 5: some reinforced concrete brace sections 10 that round cutting is formed carry out fragmentation by mobile crane or the lifting of other lifting devices to the appointed place that the instruments of plugging into such as flat car are transported to beyond construction plant.
Preferably, support system 7 is scalable and moveable fabricated construction, the top of support system 7 is provided with jack or bolt type jacking component, can apply pre-support force for reinforced concrete brace 9, ensures the safety of boring cutting operation and lifting operation; The bottom of support system 7 is provided with steel roller, and support system 7 can be made to move rapidly, and can be easy for installation and removal support system 7.
Certainly, please continue to refer to Fig. 1, in order to save cost, the i iron split heads of section steel manufacture also can be adopted as support system 7.The gravity of reinforced concrete brace section 10 is transferred on ground by i iron split heads, thus i iron split heads plays temporary support effect.
Preferably, please continue to refer to Fig. 2, drilling equipment comprises base 1, machine, 2, drill bit lifting gear 3, connecting rod 4 and at least two independent drill bits 5 controlled, connecting rod 4 is fixedly connected with drill bit 5 with drill bit lifting gear 3 respectively, and drill bit 5 is sheathed on fuselage 2, and fuselage 2 is fixedly installed on base 1.Controlled the duty of at least two drill bits 5 by drill bit lifting gear 3, trigger drill bit 5 and carry out boring work downwards, until reinforced concrete brace 9 is drilled through, form n and become exhausting hole and round 8.
Especially, conveniently drilling equipment telephone-moving and fixing, also comprises guide rail 6, and the two ends of guide rail 6 are by buckle-type bolt clip in reinforced concrete brace 9 surface, and base 1 to be fastened on guide rail 6 and can to move along guide rail 6.By arranging guide rail 6, easily and quickly drilling equipment can be moved to precalculated position, easily drilling equipment can be fixed on the specified location of guide rail 6 by the buckle bolt be embedded in guide rail 6 upper groove, thus under the acting in conjunction of guide rail 6 and buckle bolt, can realize moving and fixing drilling equipment fast.
Preferably, the carrying after conveniently having removed and transport, and the load being no more than support system 7, the length range of reinforced concrete brace section 10 is 2m ~ 3m.
In sum, first determine the segments of reinforced concrete brace 9, and support system 7 is set in the below of reinforced concrete brace 9; Secondly adopt drilling equipment to complete in reinforced concrete brace 9 drilling construction of each independently reinforced concrete brace section 10 both sides round 8 successively, make the both sides of the reinforced concrete brace section 10 except reinforced concrete brace 9 two ends form continuous round 8; Then the segmentation cutting of all reinforced concrete brace sections 10 is completed successively according to the mode of the continuous in a row protection steel mesh reinforcement at round 8 position place cutting off reinforced concrete brace section 10 both sides simultaneously; Finally adopt lifting device transport reinforced concrete brace section 10, thus complete the Demolition Construction of whole reinforced concrete brace 9.The method for dismounting of reinforced concrete brace of the present invention, adopt the mode of round segmentation cutting, compared with carrying out Mechanical Crushing dismounting method or demolition blasting method with traditional employing pick machine, the Demolition Construction of the reinforced concrete brace under complicated construction environment can not only be met, and in round cutting process, noise is little, dust is little, safety and environmental protection, little to construction plant ambient influence.This method for dismounting environmental protection, easy and simple to handle and be applicable to the dismounting of the reinforced concrete brace in complicated construction environment.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (7)
1. a method for dismounting for reinforced concrete brace, is characterized in that, comprises the steps:
One, some sections are divided into reinforced concrete brace, and some support systems are set in the below of described reinforced concrete brace;
Two, determine round number n and the round position of each section, adopt drilling equipment to complete this section round boring work successively, make the both sides in this sector width direction form in a row round continuously;
Three, the protection steel mesh reinforcement of these both sides, sector width direction is cut off along described in a row continuous round, until described reinforced concrete brace forms break-make face completely in this position, sector width direction, this section is made to depart from whole described reinforced concrete brace completely;
Four, repeating said steps two is to described step 3, completes the cutting of whole described reinforced concrete brace, forms some independently reinforced concrete brace sections.
2. the method for dismounting of the reinforced concrete brace as requested described in 1, is characterized in that, also comprises step 5 after described step 4, and fragmentation is carried out in the appointed place that described reinforced concrete brace section is transported to beyond construction plant.
3. the method for dismounting of the reinforced concrete brace as requested described in 1, it is characterized in that, described support system is scalable and moveable fabricated construction, and the top of described support system is provided with jack or bolt type jacking component, and the bottom of described support system is provided with steel roller.
4. the method for dismounting of the reinforced concrete brace as requested described in 1, is characterized in that, described support system is the i iron split heads of section steel manufacture.
5. the method for dismounting of the reinforced concrete brace as requested described in 1, it is characterized in that, described drilling equipment comprises base, fuselage, drill bit lifting gear, connecting rod and at least two independent drill bits controlled, described connecting rod is fixedly connected with described drill bit with described drill bit lifting gear respectively, described drill sleeve is located on fuselage, and described fuselage is fixedly installed on described base.
6. the method for dismounting of the reinforced concrete brace as requested described in 5, it is characterized in that, also comprise guide rail, the two ends of described guide rail are by buckle-type bolt clip in described reinforced concrete brace surface, and described base to be fastened on described guide rail and can to move along described guide rail.
7. the method for dismounting of the reinforced concrete brace as requested described in 1, is characterized in that, the length range of described reinforced concrete brace section is 2m ~ 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111182.9A CN105569377A (en) | 2016-02-29 | 2016-02-29 | Method for demounting reinforced concrete supporting beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111182.9A CN105569377A (en) | 2016-02-29 | 2016-02-29 | Method for demounting reinforced concrete supporting beam |
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| Publication Number | Publication Date |
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| CN105569377A true CN105569377A (en) | 2016-05-11 |
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| CN201610111182.9A Pending CN105569377A (en) | 2016-02-29 | 2016-02-29 | Method for demounting reinforced concrete supporting beam |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973082A (en) * | 2016-06-03 | 2016-09-28 | 武汉科技大学 | Hole distribution method for blasting demolition of reinforced concrete support beam in foundation pit |
| CN106284109A (en) * | 2016-08-17 | 2017-01-04 | 中铁二十局集团第三工程有限公司 | On across the most wired bridge main beam method for dismounting |
| CN106351228A (en) * | 2016-08-31 | 2017-01-25 | 中国十七冶集团有限公司 | Adjustable supporting frame for demounting of reinforced concrete internal support of deep foundation pit |
| CN107762557A (en) * | 2016-08-19 | 2018-03-06 | 上海公路桥梁（集团）有限公司 | Tunnel windward guidance tape Demolition Construction method |
| CN108222541A (en) * | 2017-12-20 | 2018-06-29 | 上海建工集团股份有限公司 | The green high-efficient Full-hydraulic static cutter device and cutting method of a kind of concrete temporary support beam |
| CN108252536A (en) * | 2018-02-02 | 2018-07-06 | 上海建工四建集团有限公司 | A kind of adjustable stirrup system and its application method |
| CN109853991A (en) * | 2019-01-08 | 2019-06-07 | 苏州交通工程集团有限公司 | Station concrete supports cutter device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973082A (en) * | 2016-06-03 | 2016-09-28 | 武汉科技大学 | Hole distribution method for blasting demolition of reinforced concrete support beam in foundation pit |
| CN106284109A (en) * | 2016-08-17 | 2017-01-04 | 中铁二十局集团第三工程有限公司 | On across the most wired bridge main beam method for dismounting |
| CN106284109B (en) * | 2016-08-17 | 2018-02-06 | 中铁二十局集团第三工程有限公司 | On across both wired bridge main beam method for dismounting |
| CN107762557A (en) * | 2016-08-19 | 2018-03-06 | 上海公路桥梁（集团）有限公司 | Tunnel windward guidance tape Demolition Construction method |
| CN106351228A (en) * | 2016-08-31 | 2017-01-25 | 中国十七冶集团有限公司 | Adjustable supporting frame for demounting of reinforced concrete internal support of deep foundation pit |
| CN108222541A (en) * | 2017-12-20 | 2018-06-29 | 上海建工集团股份有限公司 | The green high-efficient Full-hydraulic static cutter device and cutting method of a kind of concrete temporary support beam |
| CN108252536A (en) * | 2018-02-02 | 2018-07-06 | 上海建工四建集团有限公司 | A kind of adjustable stirrup system and its application method |
| CN109853991A (en) * | 2019-01-08 | 2019-06-07 | 苏州交通工程集团有限公司 | Station concrete supports cutter device |
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Application publication date: 20160511 |