CN103696568B - A kind of construction method being convenient to dismounting lattice column - Google Patents
A kind of construction method being convenient to dismounting lattice column Download PDFInfo
- Publication number
- CN103696568B CN103696568B CN201310687627.4A CN201310687627A CN103696568B CN 103696568 B CN103696568 B CN 103696568B CN 201310687627 A CN201310687627 A CN 201310687627A CN 103696568 B CN103696568 B CN 103696568B
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- lattice column
- partition member
- construction method
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a kind of construction method being convenient to dismantle lattice column, relate to the working measure technical field to existing building.For in existing construction method, lattice column and component intersection area are all cast in concrete component, cause the later stage to cut off the inconvenience of lattice column, are unfavorable for the problem that lattice column is recycled.Method: one, the bed die of supporting floor, lattice column is made to pass reserving hole on bed die, the partition member being connected with some reinforcing bars is enclosed in surrounding's formation one passage of lattice column, and the edges close of partition member and reserving hole is fitted, and concreting obtains the floor with a passage; Two, after engineering construction terminates, lattice column is removed from passage.
Description
Technical field
The present invention relates to the working measure technical field to existing building, particularly a kind of in the design and construction of deep foundation contrary sequence method, lattice column and floor node exempt from cutting technique.
Background technology
In current deep foundation ditch, Super Deep Foundation Pit Construction, there is the problem of a large amount of lattice column and component node.Common lattice column and the processing mode of component node are during weaving bed die, in member bottom section part crossing with lattice column, make reinforcing bar pass lattice column, adopt iron wire filter screen to be isolated the bottom of reinforcing bar and lattice column intersection area, below filter screen, weld some reinforcing bars be fixed.When concreting, position crossing with component on lattice column is cast in component.The inconvenience that such construction method will cause later stage lattice column to cut off, and also very large to the destruction of lattice column self, be unfavorable for the recycle of lattice column, substantially increase Construction Cost.
Summary of the invention
For in existing construction method, lattice column and component intersection area are all cast in concrete component, cause the later stage to cut off the inconvenience of lattice column, are unfavorable for the problem that lattice column is recycled.The object of this invention is to provide a kind of construction method being convenient to dismantle lattice column, the stress condition not only met design requirement, is also convenient to dismounting and the recycling of lattice column.
The technical solution adopted for the present invention to solve the technical problems step is as follows:
Step one: the bed die of supporting floor, make described lattice column through the reserving hole on described bed die, the partition member being connected with some reinforcing bars is enclosed in surrounding's formation one passage of described lattice column, and the edges close of described partition member and described reserving hole is fitted, concreting obtains the floor with a passage;
Step 2: after engineering construction terminates, removes described lattice column from described passage.
Further, in described step one, there is between the outer wall of described partition member and described lattice column a space D.
Preferably, described space D is 100mm ~ 200mm.
In described step one, according to the requirement of job specfication and the size of described reserving hole and position, calculate the cutting position of quantity through the described reinforcing bar of described reserving hole and each described reinforcing bar, obtained reinforcing bar one and reinforcing bar two after reinforcing bar cutting described in every root, by an end bending of described reinforcing bar one and described reinforcing bar two, described reinforcing bar one and described reinforcing bar two is made all to have a horizontal part and a kink, described partition member passes the horizontal part of described reinforcing bar one and described reinforcing bar two and fastens in the position near kink, described kink is made all to be positioned at the same side of described partition member.
Also step 3 is comprised after described step 2, by stretching for the kink of the described reinforcing bar one that is oppositely arranged and described reinforcing bar two and docking welding, passage described in concreting shutoff.
Preferably, described partition member is wire gauze, and the mesh size of described wire gauze is more than or equal to the external diameter of described reinforcing bar.
Described partition member is the metal sheet with some through holes, described through hole internal diameter and described reinforcing bar external diameter suitable.
Effect of the present invention is:
One, construction method of the present invention, make full use of the force request of floor in the construction stage and feature, lattice column and floor bottom mould are separated, in concreting process, passage is concreting not, and lattice column is not connected with concrete floor.Therefore, when removing lattice column, only need be hung out the passage of concrete floor, remove with recovery lattice column more convenient, and cutting off of lattice column a little be greatly reduced, and can be recycled, and has saved a large amount of human and material resources, has reduced construction cost.
Two, construction method of the present invention, after dismounting lattice column, by stretching for the kink of the reinforcing bar being positioned at passage, the steel reinforcement abutting joints be oppositely arranged firm welding, the passage of concreting shutoff subsequently, for the floor of non-principal primary structure member, such construction method had both achieved the dismounting of lattice column, meet again the requirement that floor slab structure is stressed, easy to operate, Stability Analysis of Structures.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the floor slab structure schematic diagram after removing lattice column;
Fig. 5 is the structural representation after the passage of shutoff floor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of construction method being convenient to dismantle lattice column that the present invention proposes is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, 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.
Below in conjunction with Fig. 1 to Fig. 5, a kind of construction method being convenient to dismantle lattice column of the present invention is described, be treated to example with floor (non-principal primary structure member) and lattice Column border node below, as shown in Figure 1 to Figure 3, concrete steps are as follows for its sectional reinforcement form:
Step one: as shown in Figure 1 to Figure 3, supporting floor bottom mould 30, according to the position of lattice column 10, position corresponding with lattice column 10 on bed die 30 arranges a reserving hole, the some reinforcing bars 20 being provided with partition member 23 are in advance enclosed in lattice column 10 around, four partition members 23 enclose a passage 24, and fit tightly with bed die 30 reserving hole edge-perpendicular bottom partition member 23, concreting in the slab form that supporting completes, the obtained floor 40 with passage 24 after hardening of concrete;
Step 2: after building structure engineering construction terminates, removes lattice column 10 from passage 24.
In above-mentioned steps one, for convenience of construction, have a space D between partition member 23 and lattice column 10 outer wall, space D is 100mm ~ 200mm, this size range can provide the reasonable operation space of removing lattice column, can not increase again the engineering quantity of follow-up shutoff because floor hole is excessive.
The method of dismounting lattice column of the present invention, separates lattice column 10 and bed die 30, and in concreting process, reserved passage 24 not concreting, makes lattice column 10 not be connected with floor 40.Therefore, when removing lattice column 10, only need be hung out the passage 24 of floor 40, both the work of a large amount of cutting lattice columns 10 had been avoided, additionally reduce the artificial destruction to lattice column 10, be convenient to the integral hoisting in lattice column 10 later stage, recovery, lattice column 10 can be recycled, and reduce further construction cost.
In above-mentioned steps one, according to the requirement of job specfication, and the size of reserving hole and position in bed die 30, calculate the cutting position of reinforcing bar 20 quantity through reserving hole and each reinforcing bar 20.Cut above-mentioned reinforcing bar 20, every root reinforcing bar 20 cuts rear obtained reinforcing bar 1 and reinforcing bar 2 22, and by the end bending of reinforcing bar 1 and reinforcing bar 2 22, reinforcing bar 1 and reinforcing bar 2 22 is made all to have a horizontal part and a kink, partition member 23 passes the horizontal part of some reinforcing bars 1 or reinforcing bar 2 22 and fastens in the position near kink, makes kink all be positioned at the same side of partition member 23.In the present embodiment, according to the position of job site lattice column 10 and the size of bed die 30 reserving hole, in advance reinforcing bar 20 cut and partition member 23 is installed, being easy to construction, and can ensureing that reinforcing bar 20 cutting position is accurate.And reinforcing bar 20 stay the requirement established and bend and all meet job specfication, namely the kink of adjacent two reinforcing bars 20 to stagger settings for one is long and the other is short, and the length difference of longer kink and shorter kink is more than or equal to 33d, and wherein, d is the diameter of reinforcing bar 20.
Then, the partition member 23 four being provided with reinforcing bar 1 or reinforcing bar 2 22 is enclosed in the surrounding of lattice column 10, then kink is all between partition member 23 and lattice column 10.After cloth muscle completes, the region that partition member 23 and bed die 30 enclose is concreting region, the horizontal part of reinforcing bar 20 is distributed in concreting region, and the kink of reinforcing bar 20 is then positioned at non-concrete casting area, so that by lattice column 10 and concreting zone isolation.After the hardening of concrete of building, i.e. the obtained floor 40 with a passage 24.
Further combined with Fig. 4 and Fig. 5, construction method of the present invention is described, it also comprises step 3, after lattice column 10 is removed, by stretching for the kink of reinforcing bar 1 and reinforcing bar 2 22, the reinforcing bar 1 be oppositely arranged and reinforcing bar 2 22 are docked and firm welding, in passage 24, concreting carries out shutoff, obtained monolithic concrete floor as shown in Figure 5.Due to the primary structure member that floor is not herein main, therefore, remove lattice column 10, do not affect the stability of structure, after the reinforcing bar 1 that is oppositely arranged and the stretching docking of reinforcing bar 2 22, concreting shutoff passage 24, ensure that the integrality of floor slab structure.
As preferably, partition member 23 is preferably wire gauze.Wire gauze is drawn materials conveniently, with low cost, better for separating concrete effect.As another embodiment, partition member 23 of the present invention also can adopt metal sheet, metal sheet have can with the suitable through hole of reinforcing bar 20 external diameter.
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. be convenient to the construction method dismantling lattice column, step is as follows:
Step one: the bed die of supporting floor, make described lattice column through the reserving hole on described bed die, the partition member being connected with some reinforcing bars is enclosed in surrounding's formation one passage of described lattice column, and the edges close of described partition member and described reserving hole is fitted, concreting obtains the floor with a passage;
Step 2: after engineering construction terminates, removes described lattice column from described passage.
2. construction method according to claim 1, is characterized in that: in described step one, has a space D between the outer wall of described partition member and described lattice column.
3. construction method according to claim 2, is characterized in that: described space D is 100mm ~ 200mm.
4. the construction method according to any one of claims 1 to 3, it is characterized in that: in described step one, according to the requirement of job specfication and the size of described reserving hole and position, calculate the cutting position of quantity through the described reinforcing bar of described reserving hole and each described reinforcing bar, obtained reinforcing bar one and reinforcing bar two after reinforcing bar cutting described in every root, by an end bending of described reinforcing bar one and described reinforcing bar two, described reinforcing bar one and described reinforcing bar two is made all to have a horizontal part and a kink, described partition member passes the horizontal part of described reinforcing bar one and described reinforcing bar two and fastens in the position near kink, described kink is made all to be positioned at the same side of described partition member.
5. construction method according to claim 4, is characterized in that: after described step 2, also comprise step 3, by stretching for the kink of the described reinforcing bar one that is oppositely arranged and described reinforcing bar two and docking welding, and passage described in concreting shutoff.
6. the construction method according to any one of claims 1 to 3, is characterized in that: described partition member is wire gauze, and the mesh size of described wire gauze is more than or equal to the external diameter of described reinforcing bar.
7. the construction method according to any one of claims 1 to 3, is characterized in that: described partition member is the metal sheet with some through holes, described through hole internal diameter and described reinforcing bar external diameter suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310687627.4A CN103696568B (en) | 2013-12-14 | 2013-12-14 | A kind of construction method being convenient to dismounting lattice column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310687627.4A CN103696568B (en) | 2013-12-14 | 2013-12-14 | A kind of construction method being convenient to dismounting lattice column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103696568A CN103696568A (en) | 2014-04-02 |
| CN103696568B true CN103696568B (en) | 2015-12-30 |
Family
ID=50358218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310687627.4A Active CN103696568B (en) | 2013-12-14 | 2013-12-14 | A kind of construction method being convenient to dismounting lattice column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103696568B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320529A (en) * | 2016-01-29 | 2017-01-11 | 中天建设集团有限公司 | Recyclable latticed column and floor slab connecting system and construction method |
| CN110424410A (en) * | 2019-08-20 | 2019-11-08 | 陕西建工第八建设集团有限公司 | A kind of construction method of temporary support lattice column and basement structure plate junction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1161845A (en) * | 1997-08-20 | 1999-03-05 | Kumagai Gumi Co Ltd | Building structure utilizing pile for column |
| JPH11181807A (en) * | 1997-12-22 | 1999-07-06 | Ohbayashi Corp | Construction method for underground story |
| CN102777065A (en) * | 2012-08-13 | 2012-11-14 | 杭州南联地基基础工程有限公司 | Reverse building method for lifting-type bucket-shaped underground garage |
| CN102888865A (en) * | 2012-05-29 | 2013-01-23 | 中国建筑第四工程局有限公司 | Method and device for correcting perpendicularity of steel structural member in process of constructing vertical column pile |
| CN103233475A (en) * | 2013-05-08 | 2013-08-07 | 周正海 | Column structure and foundation pit supporting system comprising same |
-
2013
- 2013-12-14 CN CN201310687627.4A patent/CN103696568B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1161845A (en) * | 1997-08-20 | 1999-03-05 | Kumagai Gumi Co Ltd | Building structure utilizing pile for column |
| JPH11181807A (en) * | 1997-12-22 | 1999-07-06 | Ohbayashi Corp | Construction method for underground story |
| CN102888865A (en) * | 2012-05-29 | 2013-01-23 | 中国建筑第四工程局有限公司 | Method and device for correcting perpendicularity of steel structural member in process of constructing vertical column pile |
| CN102777065A (en) * | 2012-08-13 | 2012-11-14 | 杭州南联地基基础工程有限公司 | Reverse building method for lifting-type bucket-shaped underground garage |
| CN103233475A (en) * | 2013-05-08 | 2013-08-07 | 周正海 | Column structure and foundation pit supporting system comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103696568A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105888108B (en) | Built-in positioning prefabricated component reinforced concrete shear wall and construction method | |
| CN103243817B (en) | A kind of assembled beam-column attachment means | |
| CN109707104B (en) | Concrete-filled steel tube casting body with tie bars and construction method | |
| CN203066232U (en) | Building structure without form removal | |
| CN104389419B (en) | Encorbelment and prop up mould structure for mounting platform and a constructional method | |
| CN106592966A (en) | Support-beam-plate-free post-cast strip formwork system and construction method thereof | |
| CN104153508B (en) | The constructing structure and its construction method of floor | |
| CN105064529A (en) | Prefabricated and assembled large-board shear wall structure with concealed bracings | |
| CN103541305B (en) | A kind of construction method of the hollow slab bridge structure with integration pave-load layer | |
| CN106320704A (en) | Steel reinforced concrete structure formwork sleeve threaded rod pulling construction method | |
| CN206625428U (en) | Floor closed system is poured after a kind of pipe well | |
| CN109083320A (en) | Combine prefabricated panel and laminated floor slab structure and laminated floor slab construction method | |
| CN105525753A (en) | Method and structure for simultaneously constructing constructional column and main body structure | |
| CN103696568B (en) | A kind of construction method being convenient to dismounting lattice column | |
| CN210976328U (en) | Secondary structure capable of being assembled for construction | |
| CN102619286B (en) | Connecting joint of steel pipe concrete column and profile steel concrete beam | |
| CN103696437B (en) | A kind of construction method of cutting lattice column | |
| CN104213728B (en) | Oblique beam for grandstand of stadium and construction process for oblique beam | |
| CN103711199A (en) | Method and structure for processing construction joints at large-section beam and column joints | |
| CN104989013A (en) | Anti-seismic frame shear wall and construction method thereof | |
| CN104499430A (en) | Wet connection section connection structure used between fully prefabricated assembled bridge girders | |
| CN104895221B (en) | Assembled shaped steel confined concrete shear wall structure | |
| CN110424410A (en) | A kind of construction method of temporary support lattice column and basement structure plate junction | |
| CN203411992U (en) | Reserved hole template of deep hole in mass concrete | |
| CN206438766U (en) | One kind is without support beam board post poured band template system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |