CN107327155B - The reinforced construction method of concrete weak column - Google Patents
The reinforced construction method of concrete weak column Download PDFInfo
- Publication number
- CN107327155B CN107327155B CN201710542179.7A CN201710542179A CN107327155B CN 107327155 B CN107327155 B CN 107327155B CN 201710542179 A CN201710542179 A CN 201710542179A CN 107327155 B CN107327155 B CN 107327155B
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- concrete
- plank sheathing
- steel bushing
- template
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- 239000004567 concrete Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 175
- 239000010959 steel Substances 0.000 claims abstract description 175
- 238000005266 casting Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000005728 strengthening Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 4
- 241000233855 Orchidaceae Species 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 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
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Landscapes
- 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)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of reinforced construction methods of concrete weak column, it is characterized in that two in concrete column are installed steel plate to side, other two side of steel plate uses steel batten plate, steel batten plate is welded with strengthening steel slab, entirety is linked to be to the steel plate of side by two, precompressed is carried out to after-pouring concrete by pressurizing device during casting concrete；In casting concrete front template erection method using as follows: two of concrete column are to side installation steel plate directly as the template of casting concrete, another two side uses plank sheathing, plank sheathing is formed by small template splicing, groove is being arranged with steel plate connecting portion in plank sheathing, groove is set among plank sheathing, steel square tube is installed, steel square tube installs a Non-return air valve in end along the elongated arrangement of plank sheathing, the steel square tube of each small template in groove.Template hoop is set outside plank sheathing, and steel plate and plank sheathing are linked to be entirety by template hoop；Annular steel bushing is set outside plank sheathing and punching block, and pneumatic shuttle couples with the inlet flange of annular steel bushing.
Description
Technical field
The present invention relates to a kind of reinforced construction method, in particular to a kind of reinforced construction method of concrete weak column.
Background technique
When the common quality defects such as honeycomb hole occurs in concrete column, bearing capacity will receive larger impact, it is necessary to concrete
Column is reinforced to improve the bearing capacity of concrete column.The method of traditional reinforced concrete disease column has steel plate reinforcement, i.e., in coagulation
Native disease column surrounding setting steel plate is reinforced, casting concrete between steel plate and concrete weak column, due to after-pouring concrete and
Original concrete deformation is inconsistent, differs greatly additionally, due to the rigidity of steel plate and concrete, in stress either steel plate and
Afterwards plus concrete be difficult to play a role, consolidation effect is severely impacted.
Summary of the invention
The present invention is to provide a kind of reinforced construction method of concrete weak column, solves ruggedized construction and original concrete structure
The problem of being unable to cooperative bearing.
The present invention installs steel plate to side at two of concrete column, and steel plate thickness is 10~15mm, steel plate other two
Side uses steel batten plate, and for steel batten plate with a thickness of 12~16mm, steel batten plate width is 15~20cm.Steel batten plate be arranged spacing be 50~
70cm, steel batten plate are welded with strengthening steel slab, are linked to be entirety to the steel plate of side for two, are led to during casting concrete
It is overpressurized device and precompressed is carried out to after-pouring concrete, to make after-pouring concrete and original concrete deformation coordinate, jointly
Load；In casting concrete front template erection method using as follows: two of concrete column to side install steel plate directly as
The template of casting concrete, another two side use plank sheathing, and plank sheathing is with a thickness of 18~25mm, and plank sheathing is by small template splicing
It forms, every piece small form height is 50~70cm.Plank sheathing with steel plate connecting portion be arranged groove, recess width be 10~
15cm, depth of groove are 8~10mm.Groove is set among plank sheathing, steel square tube, steel Box Section length and width are installed in groove
Degree is 30~40cm, and steel square tube installs a unidirectional gas in end along the elongated arrangement of plank sheathing, the steel square tube of each small template
The purpose of valve, Non-return air valve, is removed for the ease of each small template segmentation.
Since reinforced concrete is bonded by precompressed, plank sheathing and reinforced concrete than stronger in condensation process, wood
Template is difficult to dismantle, therefore steel square tube is arranged in the present invention among plank sheathing, wait reinforce concrete curing age reach after be conducive to
Plank sheathing is removed, disassembly plank sheathing is realized by ventilating in steel square tube, and steel square tube generates lateral pressure to reinforced concrete,
To make plank sheathing and reinforced concrete separate.
Template hoop is set outside plank sheathing, template hoop is 40~50cm along the spacing of short transverse, template hoop by steel plate and
Plank sheathing is linked to be entirety.
Annular steel bushing is set outside plank sheathing and punching block, and annular steel bushing is by bearing diagonal or horizontally-supported is fixed on periphery
Structure, annular steel bushing by two be open semicircle steel bushing form, the semicircle steel bushing two sides side You Yi, wing side indwelling bolt
Hole, wing sideband have valve rubber, to guarantee favorable sealing property after semicircle steel bushing splices, use bolt after semicircle steel bushing splicing
Nail insertion pin hole is fixed, and annular steel bushing lower part floor does concrete cushion, and sponge is placed above to guarantee to seal in floor bed course
Effect, annular steel bushing are shelved on above the sponge on floor bed course top, and two semicircle steel bushing top surfaces side winged, wing side indwelling is inserted
Pin hole, annular steel bushing top cover side winged, wing side indwelling pin hole, wing sideband have valve rubber, and annular steel bushing top cover is inserted by peg
Enter pin hole to unify with two semicircle steel bushings.Pneumatic shuttle couples with the inlet flange of annular steel bushing.
Construction procedure includes:
(1) concrete cover is cut
The concrete cover that sick column will install two sides of steel plate is cut, main reinforcement is exposed.
(2) steel plate is installed
Steel plate thickness is 10~15cm, and steel plate and main reinforcement are welded.
(3) plank sheathing is installed
Template hoop is made after the groove of steel plate insertion plank sheathing.
(4) reinforced concrete is poured
(5) annular steel bushing is installed
Annular steel bushing lower part floor does concrete cushion, and sponge is placed above in floor bed course, and annular steel bushing is shelved on floor
Above the sponge on bed course top, annular steel bushing is installed according to position location, and annular steel bushing passes through bearing diagonal or horizontal branch
Support is fixed on the structure on periphery, and the semicircle steel bushing that annular steel bushing is open by two forms, and uses peg after semicircle steel bushing splicing
Insertion pin hole is fixed, and is inserted into pin hole stationary annular steel bushing top cover with peg again after splicing to semicircle steel bushing.
(6) pneumatic shuttle is installed
Pneumatic shuttle couples with the inlet flange of annular steel bushing, and the moulding pressure of pneumatic shuttle is according to the strong of reinforced concrete
Scale is adjusted.C25 is used for reinforced concrete, moulding pressure uses 4.5MPa；Reinforced concrete is used
C30, moulding pressure use 5MPa；C35 is used for reinforced concrete, moulding pressure uses 5.5MPa；For reinforced concrete
Using C40 or more, moulding pressure uses 6MPa.Start to pressurize after 2 hours, stops pressurization after 10 hours.
(7) annular steel bushing is removed
(8) plank sheathing is removed
Plank sheathing is removed using segmentation, is removed from bottom to top, the Non-return air valve of the small template in bottom is opened, the bottom of at
The steel square tube of the small template in portion is ventilated, and air pressure is 3~5MPa, is carried out removing the small template in bottom, be pacified at once after the small form removable in bottom
Steel loading batten plate.
The present invention carries reinforced concrete and steel column ahead of time by precompressed, is easy to coordinate and be total to original concrete deformation
With carrying, mechanical property is good.In addition, the present invention and conventional steel plates reinforcement material are saved, cost is relatively low.
Detailed description of the invention
Fig. 1 is strenthening member molding structure schematic diagram, and Fig. 2 is that plank sheathing installs schematic diagram, and Fig. 3 is structural representation after reinforcing
Figure.
In each attached drawing: 1, steel plate, 2, plank sheathing, 3 annular steel bushings, 4, inlet flange, 5, pneumatic shuttle, 6, Non-return air valve,
7, steel square tube, 8, template hoop, 9, steel batten plate.
Specific embodiment
Fig. 1 is strenthening member molding structure schematic diagram, and Fig. 2 is that plank sheathing installs schematic diagram, and Fig. 3 is structural representation after reinforcing
Figure.
Steel plate 1 installed to side at two of concrete column in embodiment, steel plate 1 with a thickness of 12mm, steel plate 1 other two
Side uses steel batten plate 9, and for steel batten plate 9 with a thickness of 14mm, 9 width of steel batten plate is 18cm.It is 60cm, steel that spacing, which is arranged, in steel batten plate 9
Batten plate 9 is welded with strengthening steel slab 1, is linked to be entirety to the steel plate 1 of side for two, by adding during casting concrete
Pressure device carries out precompressed to after-pouring concrete；In casting concrete front template erection method using as follows: the two of concrete column
It is a to side installation steel plate 1 directly as casting concrete template, another two side use plank sheathing 2, plank sheathing 2 with a thickness of
20mm, plank sheathing 2 are formed by small template splicing, and every piece small form height is 60cm.Plank sheathing 2 is set with 1 connecting portion of steel plate
Set groove, recess width 12cm, depth of groove 10mm.Groove is set among plank sheathing 2, steel square tube 7, steel are installed in groove
7 cross-sectional length of square tube and width are 35cm, and steel square tube 7 is being held along the elongated arrangement of plank sheathing 2, the steel square tube 7 of each small template
Portion is installed by one Non-return air valve 6.
Template hoop 8 is set outside plank sheathing 2, and template hoop 8 is 45cm along the spacing of short transverse, and template hoop 8 is by 1 He of steel plate
Plank sheathing 2 is linked to be entirety.
Annular steel bushing 3 is set outside plank sheathing 2 and punching block, and annular steel bushing 3 is by bearing diagonal or horizontally-supported is fixed on
The structure on periphery, the semicircle steel bushing that annular steel bushing 3 is open by two form, the semicircle steel bushing two sides side You Yi, the indwelling of wing side
Pin hole, wing sideband have valve rubber, to guarantee favorable sealing property after semicircle steel bushing splices, after semicircle steel bushing splicing
It is fixed with peg insertion pin hole, annular 3 lower part floor of steel bushing does concrete cushion, and sponge is placed above to guarantee in floor bed course
Sealing effect, annular steel bushing 3 are shelved on above the sponge on floor bed course top, two semicircle steel bushing top surfaces side winged, wing side
Indwelling pin hole, annular 3 top cover of steel bushing side winged, wing side indwelling pin hole, wing sideband have valve rubber, and annular 3 top cover of steel bushing is logical
Peg insertion pin hole is crossed to unify with two semicircle steel bushings.Pneumatic shuttle 5 couples with the inlet flange 4 of annular steel bushing 3.
Construction procedure includes:
(1) concrete cover is cut
The concrete cover that sick column will install two sides of steel plate 1 is cut, main reinforcement is exposed.
(2) steel plate 1 is installed
Steel plate 1 welds steel plate 1 and main reinforcement with a thickness of 12cm.
(3) plank sheathing 2 is installed
Steel plate 1 makees template hoop 8 after being inserted into the groove of plank sheathing 2.
(4) reinforced concrete is poured
(5) annular steel bushing 3 is installed
Annular 3 lower part floor of steel bushing does concrete cushion, and sponge is placed above in floor bed course, and annular steel bushing 3 is shelved on building
Above the sponge on plate bed course top, annular steel bushing 3 is installed according to position location, and annular steel bushing 3 passes through bearing diagonal or water
The flat structure for being supported and fixed on periphery, the semicircle steel bushing that annular steel bushing 3 is open by two form, and use after semicircle steel bushing splicing
Peg insertion pin hole is fixed, and is inserted into 3 top cover of pin hole stationary annular steel bushing with peg again after splicing to semicircle steel bushing.
(6) pneumatic shuttle 5 is installed
Pneumatic shuttle 5 couples with the inlet flange 4 of annular steel bushing 3, and the moulding pressure of pneumatic shuttle 5 is according to reinforced concrete
Intensity scale be adjusted.Reinforced concrete uses C30, and moulding pressure uses 5MPa.Start to pressurize after 2 hours, 10
Stop pressurization after hour.
(7) annular steel bushing 3 is removed
(8) plank sheathing 2 is removed
Plank sheathing 2 is removed using segmentation, is removed from bottom to top, and the Non-return air valve 6 of the small template in bottom is opened,
The steel square tube 7 of the small template in bottom is ventilated, and air pressure is 3~5MPa, carries out removing the small template in bottom, after the small form removable in bottom at once
Steel batten plate 9 is installed.
Claims (4)
1. a kind of reinforced construction method of concrete weak column, it is characterized in that two in concrete column are installed steel plate, steel to side
Other two side of plate uses steel batten plate, and steel batten plate is welded with strengthening steel slab, is linked to be entirety to the steel plate of side for two,
Precompressed is carried out to after-pouring concrete by pneumatic shuttle during casting concrete；In the casting concrete front template side of installing
Method is using as follows: two of concrete column to side installation steel plate directly as the template of casting concrete, adopt by another two side
With plank sheathing, plank sheathing is formed by small template splicing, and groove, setting among plank sheathing is being arranged with steel plate connecting portion in plank sheathing
Groove, groove is interior to install steel square tube, and steel square tube installs one in end along the elongated arrangement of plank sheathing, the steel square tube of each small template
Non-return air valve.Template hoop is set outside plank sheathing, and steel plate and plank sheathing are linked to be entirety by template hoop；
Annular steel bushing is set outside plank sheathing and punching block, and annular steel bushing passes through bearing diagonal or the horizontally-supported knot for being fixed on periphery
Structure, the semicircle steel bushing that annular steel bushing is open by two form, the semicircle steel bushing two sides side You Yi, wing side indwelling pin hole, the wing
Sideband has valve rubber, is fixed after semicircle steel bushing splicing with peg insertion pin hole, annular steel bushing lower part floor does concrete mats
Sponge is placed above in layer, floor bed course, and annular steel bushing is shelved on above the sponge on floor bed course top, two semicircle steel bushing tops
Face side winged, wing side indwelling pin hole, annular steel bushing top cover side winged, wing side indwelling pin hole, wing sideband have valve rubber, annular
Steel bushing top cover is inserted into pin hole by peg and unifies with two semicircle steel bushings.The air inlet method of pneumatic shuttle and annular steel bushing
Orchid connection；
Construction procedure includes:
(1) concrete cover is cut
The concrete cover that sick column will install two sides of steel plate is cut, main reinforcement is exposed；
(2) steel plate is installed
Steel plate thickness is 10~15cm, and steel plate and main reinforcement are welded；
(3) plank sheathing is installed
Template hoop is made after the groove of steel plate insertion plank sheathing；
(4) reinforced concrete is poured
(5) annular steel bushing is installed
Annular steel bushing lower part floor does concrete cushion, and sponge is placed above in floor bed course, and annular steel bushing is shelved on floor bed course
Above the sponge on top, annular steel bushing is installed according to position location, and annular steel bushing passes through bearing diagonal or horizontally-supported solid
It is scheduled on the structure on periphery, the semicircle steel bushing that annular steel bushing is open by two forms, and is inserted into after semicircle steel bushing splicing with peg
Pin hole is fixed, and is inserted into pin hole stationary annular steel bushing top cover with peg again after splicing to semicircle steel bushing；
(6) pneumatic shuttle is installed
Pneumatic shuttle couples with the inlet flange of annular steel bushing, and the moulding pressure of pneumatic shuttle is according to the intensity scale of reinforced concrete
Change is adjusted, and uses C25 for reinforced concrete, moulding pressure uses 4.5MPa；C30 is used for reinforced concrete, is added
Pressure pressure uses 5MPa；C35 is used for reinforced concrete, moulding pressure uses 5.5MPa；C40 is used for reinforced concrete
Or more, moulding pressure uses 6MPa；Start to pressurize after 2 hours, stops pressurization after 10 hours；
(7) annular steel bushing is removed
(8) plank sheathing is removed
Plank sheathing is removed using segmentation, is removed from bottom to top, and the Non-return air valve of the small template in bottom is opened, small in bottom
The steel square tube of template is ventilated, and air pressure is 3~5MPa, is carried out the dismounting of the small template in bottom, is installed at once after the small form removable in bottom
Steel batten plate.
2. the reinforced construction method of concrete weak column according to claim 1, it is characterized in that steel batten plate with a thickness of 12~
16mm, steel batten plate width are 15~20cm；It is 50~70cm that spacing, which is arranged, in steel batten plate.
3. the reinforced construction method of concrete weak column according to claim 1, it is characterized in that recess width is 10~15cm,
Depth of groove is 8~10mm.
4. the reinforced construction method of concrete weak column according to claim 1, it is characterized in that template hoop is along short transverse
Spacing is 40~50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542179.7A CN107327155B (en) | 2016-02-24 | 2016-02-24 | The reinforced construction method of concrete weak column |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127850.7A CN105756364B (en) | 2016-02-24 | 2016-02-24 | The reinforcement means of concrete weak post |
| CN201710542179.7A CN107327155B (en) | 2016-02-24 | 2016-02-24 | The reinforced construction method of concrete weak column |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610127850.7A Division CN105756364B (en) | 2016-02-24 | 2016-02-24 | The reinforcement means of concrete weak post |
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| CN107327155A CN107327155A (en) | 2017-11-07 |
| CN107327155B true CN107327155B (en) | 2019-03-08 |
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| CN201610127850.7A Active CN105756364B (en) | 2016-02-24 | 2016-02-24 | The reinforcement means of concrete weak post |
| CN201710542179.7A Active CN107327155B (en) | 2016-02-24 | 2016-02-24 | The reinforced construction method of concrete weak column |
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| Application Number | Title | Priority Date | Filing Date |
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| CN110424763B (en) * | 2019-08-06 | 2021-07-13 | 北京市安泰运源建筑工程有限公司 | Steel-clad structure of stand column and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151610A (en) * | 1995-12-01 | 1997-06-10 | Kajima Corp | Reinforcing method for reinforced concrete column |
| CN1343825A (en) * | 2001-10-31 | 2002-04-10 | 武汉大学 | Technology for making pressure bearing member of reinforced concrete |
| CN1851202A (en) * | 2006-05-26 | 2006-10-25 | 上海大学 | Steel reinforced concrete rectangular column reinforcing method |
| CN103410344A (en) * | 2013-07-08 | 2013-11-27 | 中冶天工上海十三冶建设有限公司 | Reinforced concrete wall beam strengthening and reinforcing device and wall beam strengthening method |
-
2016
- 2016-02-24 CN CN201610127850.7A patent/CN105756364B/en active Active
- 2016-02-24 CN CN201710542179.7A patent/CN107327155B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151610A (en) * | 1995-12-01 | 1997-06-10 | Kajima Corp | Reinforcing method for reinforced concrete column |
| CN1343825A (en) * | 2001-10-31 | 2002-04-10 | 武汉大学 | Technology for making pressure bearing member of reinforced concrete |
| CN1851202A (en) * | 2006-05-26 | 2006-10-25 | 上海大学 | Steel reinforced concrete rectangular column reinforcing method |
| CN103410344A (en) * | 2013-07-08 | 2013-11-27 | 中冶天工上海十三冶建设有限公司 | Reinforced concrete wall beam strengthening and reinforcing device and wall beam strengthening method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105756364A (en) | 2016-07-13 |
| CN105756364B (en) | 2017-11-28 |
| CN107327155A (en) | 2017-11-07 |
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Effective date of registration: 20201126 Address after: 224000 Dajian neighborhood committee, Haitong Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Sheyang Tonghai Village Construction Development Co., Ltd Address before: No.39, Rongxin Road, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: Zhu Kui |