CN105464401A - One-side support formwork structure for enlarging section and strengthening construction and construction method - Google Patents
One-side support formwork structure for enlarging section and strengthening construction and construction method Download PDFInfo
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- CN105464401A CN105464401A CN201610006697.2A CN201610006697A CN105464401A CN 105464401 A CN105464401 A CN 105464401A CN 201610006697 A CN201610006697 A CN 201610006697A CN 105464401 A CN105464401 A CN 105464401A
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- construction
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- nut
- anchor rib
- wall surface
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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
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a one-side support formwork structure for enlarging a section and strengthening construction and a construction method. The structure comprises a side formwork assembly, anchor ribs implanted in an original concrete wall surface and pulling and connecting assemblies pulled and connected between the side formwork assembly and the anchor ribs, a pouring space for pouring strengthened structures is formed between the side formwork assembly and the original concrete wall surface, and each pulling and connecting assembly is provided with a top formwork rib which abuts against the inner side of the side formwork assembly. According to the one-side support formwork structure for enlarging the section and strengthening construction and the construction method, due to the fact that the anchor ribs are implanted in the original concrete wall surface, the pulling and connecting assemblies are welded to the anchor ribs, side plate assemblies are pulled and connected to the anchor ribs through the pulling and connecting assemblies, and the pouring space for pouring the strengthened structures is formed between the side formwork assembly and the original concrete wall surface, the difficulty of strengthening of the one-side support formwork structure in the strengthening project can be solved by means of matching of the anchor ribs and the pulling and connecting assemblies, and meanwhile the pulling and connecting strength of the side plate assemblies and the original concrete wall surface is improved.
Description
Technical field
The present invention relates to engineering construction field, particularly relate to a kind of unilateral formwork supporting structure for enlarging section strengthening construction and construction method.
Background technology
In existing structure stabilization works, concrete vertical member cross section is strengthened, and traditional formwork way often has following several:
1, find original split bolt hole, wear split bolt, but often because original bolt hole foreign material blocking cannot penetrate, cannot formwork reinforcement be carried out;
2, one side formwork diagonal brace is set, carries out formwork reinforcement, but diagonal brace less stable, easily cause the mould that rises, planeness is difficult to control, and Forming Quality is bad;
3, again punch on original structure component, often because original structure component thickness is thicker, punching difficulty is comparatively large, and inner reinforcement location is difficult to determine, causes punching difficulty.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of unilateral formwork supporting structure for enlarging section strengthening construction and construction method, effectively can solve single side formwork in stabilization works and reinforce difficulty, the difficult problem that concrete formation difficult quality controls, simple to operate, operating efficiency is high, stabilization works concrete formation quality is good.
For realizing above-mentioned technique effect, the invention discloses a kind of unilateral formwork supporting structure for enlarging section strengthening construction, comprise side form assembly, be implanted in anchor rib on original concrete wall surface and the drawknot assembly of drawknot between described side form assembly and described anchor rib, form the casting space for building ruggedized construction between described side form assembly and described original concrete wall surface, described drawknot assembly is provided with the backform muscle of the inner side being resisted against described side form assembly.
The described unilateral formwork supporting structure for enlarging section strengthening construction further improves and is, described ruggedized construction is reinforced concrete structure, described anchor rib is anchoring drag hook, the first end of described anchoring drag hook is anchored on described original concrete wall surface, and the second end of described anchoring drag hook is formed with the hook part hooking and be located on the inside reinforcing bar of described ruggedized construction.
The described unilateral formwork supporting structure for enlarging section strengthening construction further improves and is, described drawknot assembly comprises Screw arbor with nut at both-ends and is screwed together in the securing member on described Screw arbor with nut at both-ends, the first end of described Screw arbor with nut at both-ends welds with described anchor rib, second end of described Screw arbor with nut at both-ends runs through described lateral plate component, and described securing member is resisted against the outside of described lateral plate component.
The described unilateral formwork supporting structure for enlarging section strengthening construction further improves and is, the both sides of described Screw arbor with nut at both-ends are respectively equipped with the steel pipe in the outside being positioned at described lateral plate component, and described securing member to be gone up a hill type card in described lateral plate component for being screwed together in push against on described Screw arbor with nut at both-ends and by described steel pipe.
The described unilateral formwork supporting structure for enlarging section strengthening construction further improves and is, the described anchor rib length implanted in described original concrete wall surface is 8 ~ 12 times of the diameter of described anchor rib; The first end of described Screw arbor with nut at both-ends and the weld length of described anchor rib are 8 ~ 12 multiples of the diameter of described anchor rib.
The described unilateral formwork supporting structure for enlarging section strengthening construction further improves and is, described side form assembly comprises template and is located at the flitch outside described template.
The invention also discloses a kind of single side formwork construction method for enlarging section strengthening construction, comprise step:
Anchor rib is implanted on original concrete wall surface;
Described anchor rib connects drawknot assembly;
Determine the setting position of lateral plate component, in described setting position, backform muscle is set on described drawknot assembly;
Install and fixed side assembly on described drawknot assembly, the inner side of described lateral plate component is resisted against on described backform muscle, and make between described side form assembly and described original concrete wall surface, to form the casting space for building ruggedized construction; And
Concreting in described casting space.
The described single side formwork construction method for enlarging section strengthening construction is further improved and is, described ruggedized construction is reinforced concrete structure, also comprise before being that described drawknot assembly arranges backform muscle: the inside reinforcing bar installing ruggedized construction, and by the inside reinforcing bar of described ruggedized construction and described drawknot components welding.
The described single side formwork construction method for enlarging section strengthening construction is further improved and is, described anchor rib is anchoring drag hook, the first end of described anchoring drag hook is anchored on described original concrete wall surface, forms at the second end of described anchoring drag hook the hook part hooking and be located on the inside reinforcing bar of described ruggedized construction.
The described single side formwork construction method for enlarging section strengthening construction is further improved and is, described drawknot assembly comprises Screw arbor with nut at both-ends and is screwed together in the securing member on described Screw arbor with nut at both-ends, the first end of described Screw arbor with nut at both-ends is welded with described anchor rib, second end of described Screw arbor with nut at both-ends is run through described lateral plate component, described securing member is resisted against the outside of described lateral plate component.
The present invention, owing to have employed above technical scheme, makes it have following beneficial effect:
By implanting anchor rib on original concrete wall surface, anchor rib welds drawknot assembly, utilize drawknot assembly by lateral plate component drawknot on anchor rib, make the casting space formed between original concrete wall surface and lateral plate component for building ruggedized construction, coordinating of anchor rib and drawknot assembly can be utilized to solve single side formwork in stabilization works and reinforce difficulty, improve the drawknot intensity of lateral plate component and original concrete wall surface simultaneously; By arranging the backform muscle be resisted against inside lateral plate component on drawknot assembly, cross section necking down when lateral plate component can be prevented fastening; To efficiently solve in stabilization works single side formwork and reinforce difficulty, the difficult problem that concrete formation difficult quality controls, simple to operate, operating efficiency is high, stabilization works concrete formation quality is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the unilateral formwork supporting structure of enlarging section strengthening construction.
Fig. 2 is the syndeton schematic diagram of the present invention for anchor rib and drawknot assembly in the unilateral formwork supporting structure of enlarging section strengthening construction.
Fig. 3 is the flow chart of the present invention for the single side formwork construction method of enlarging section strengthening construction.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the present invention is further detailed explanation.
First, consult shown in Fig. 1 and Fig. 2, a kind of unilateral formwork supporting structure for enlarging section strengthening construction of the present invention primarily of side form assembly 11, be implanted in anchor rib 12 on original concrete wall surface 10 and the drawknot assembly 13 of drawknot between side form assembly 11 and anchor rib 12, form the casting space 14 for building ruggedized construction between side form assembly 11 and original concrete wall surface 10, drawknot assembly 13 is provided with the backform muscle 15 of the inner side being resisted against side form assembly 11.Wherein, side form assembly further 11 comprises template 111 and is located at the flitch 112 outside template 111, and template 111 is the wooden form that 15mm is thick, and flitch 112 is the flitch of 50mm × 100mm, vertically be disposed on the lateral surface of template 111, for regulating and reinforcing template 111.
The present invention by implanting anchor rib 12 on original concrete wall surface 10, anchor rib 12 welds drawknot assembly 13, utilize drawknot assembly 13 by lateral plate component 11 drawknot on anchor rib 12, make the casting space 14 formed between original concrete wall surface 10 and lateral plate component 11 for building ruggedized construction, coordinating of anchor rib 12 and drawknot assembly 13 can be utilized to solve single side formwork in stabilization works and reinforce difficulty, improve the drawknot intensity of lateral plate component 11 and original concrete wall surface 10 simultaneously; Meanwhile, by arranging the backform muscle be resisted against inside side assemble 11 on drawknot assembly 13, cross section necking down when lateral plate component can be prevented fastening.Therefore, the present invention effectively can to solve in stabilization works single side formwork and reinforce difficulty, the difficult problem that concrete formation difficult quality controls, simple to operate, operating efficiency is high, stabilization works concrete formation quality is good.
In the present embodiment, ruggedized construction is reinforced concrete structure, and the inside reinforcing bar 16 of ruggedized construction welds with drawknot assembly 13.Anchor rib 12 is anchoring drag hook, and adopt diameter to be the reinforcement fabrication of 8mm, the first end of this anchoring drag hook is anchored on original concrete wall surface, and the length implanted in original concrete wall surface is 8 ~ 12 times of the diameter of anchoring drag hook, is preferably 10 times.Second end of this anchoring drag hook is formed with the hook part 121 hooking and be located on the inside reinforcing bar 16 of ruggedized construction, to strengthen anchor rib 12 and the globality of the inside reinforcing bar of ruggedized construction, improves the stability of the inside reinforcing bar of ruggedized construction.
Drawknot assembly 13 forms primarily of Screw arbor with nut at both-ends 131 and the securing member 132 be screwed together on this Screw arbor with nut at both-ends 131.Wherein, the first end of Screw arbor with nut at both-ends 131 and anchor rib 12 single-sided welding, and weld length is 8 ~ 12 times of the diameter of anchor rib 12, is preferably 10 times.Second end of Screw arbor with nut at both-ends 131 runs through lateral plate component 11, and securing member 132 is resisted against the outside of lateral plate component 11, thus is fixed on Screw arbor with nut at both-ends 131 by lateral plate component 11.Further, the steel pipe 17 in the outside being positioned at lateral plate component 11 is respectively equipped with in the both sides of Screw arbor with nut at both-ends 131, securing member 132 to be gone up a hill type card in lateral plate component 11 for being screwed together in push against on Screw arbor with nut at both-ends 131 and by steel pipe 17, utilize steel pipe 17 to coordinate mountain type card one side fixed form assembly 11, fixed by Screw arbor with nut at both-ends 131 drawknot.Screw arbor with nut at both-ends 131 is welded on the anchor rib 12 of planting on original concrete wall surface, the laying spacing of Screw arbor with nut at both-ends 131 supports required quantity to determine according to the position of anchor rib 12 and side form assembly 11, quantity as unit area anchor rib 12 can not meet, suitably can replant some anchor ribs 12 and meet instructions for use, general spacing controls at 300mm.
Consult shown in Fig. 3, the single side formwork construction method that the present invention is used for enlarging section strengthening construction mainly comprises the steps:
S001: implant anchor rib on original concrete wall surface.
On original concrete wall surface, implanted diameter is the anchoring drag hook (available ruggedized construction reinforcing bar drag hook is double to be done) of the reinforcement fabrication of 8mm, implantation depth 10d (diameters of 10 times of anchoring drag hooks);
S002: connect drawknot assembly on anchor rib.
Screw arbor with nut at both-ends is adopted one side welding 10d (diameters of 10 times of anchoring drag hooks), be welded on anchoring drag hook;
S003: the setting position determining lateral plate component, arranges backform muscle in setting position on drawknot assembly.
Reinforce thickness according to ruggedized construction is newly-increased, Screw arbor with nut at both-ends welds the backform muscle (being equivalent to traditional top die roller) of the reinforcement fabrication of 100mm long diameter 8mm, cross section necking down when preventing dies plate tap.
S004: install and fixed side assembly on drawknot assembly, the inner side of lateral plate component is resisted against on backform muscle, and make between side form assembly and original concrete wall surface, to form the casting space for building ruggedized construction.
Reinforcing side steel pipe coordinates mountain type card one side to fix 15mm wooden form, fixed by Screw arbor with nut at both-ends drawknot, Screw arbor with nut at both-ends is welded on plants on the anchor rib of original concrete wall surface, the quantity of laying spacing needed for the position of anchor rib and side form modular support of Screw arbor with nut at both-ends is determined, quantity as unit area anchor rib can not meet, suitably can replant some anchor ribs and meet instructions for use, general spacing controls at 300mm.
S005: concreting in casting space.
Below by reference to the accompanying drawings and embodiment to invention has been detailed description, those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (10)
1. the unilateral formwork supporting structure for enlarging section strengthening construction, it is characterized in that: comprise side form assembly, be implanted in anchor rib on original concrete wall surface and the drawknot assembly of drawknot between described side form assembly and described anchor rib, form the casting space for building ruggedized construction between described side form assembly and described original concrete wall surface, described drawknot assembly is provided with the backform muscle of the inner side being resisted against described side form assembly.
2. as claimed in claim 1 for the unilateral formwork supporting structure of enlarging section strengthening construction, it is characterized in that: described ruggedized construction is reinforced concrete structure, described anchor rib is anchoring drag hook, the first end of described anchoring drag hook is anchored on described original concrete wall surface, and the second end of described anchoring drag hook is formed with the hook part hooking and be located on the inside reinforcing bar of described ruggedized construction.
3. as claimed in claim 1 for the unilateral formwork supporting structure of enlarging section strengthening construction, it is characterized in that: described drawknot assembly comprises Screw arbor with nut at both-ends and is screwed together in the securing member on described Screw arbor with nut at both-ends, the first end of described Screw arbor with nut at both-ends welds with described anchor rib, second end of described Screw arbor with nut at both-ends runs through described lateral plate component, and described securing member is resisted against the outside of described lateral plate component.
4. as claimed in claim 3 for the unilateral formwork supporting structure of enlarging section strengthening construction, it is characterized in that: the both sides of described Screw arbor with nut at both-ends are respectively equipped with the steel pipe in the outside being positioned at described lateral plate component, described securing member to be gone up a hill type card in described lateral plate component for being screwed together in push against on described Screw arbor with nut at both-ends and by described steel pipe.
5. as claimed in claim 3 for the unilateral formwork supporting structure of enlarging section strengthening construction, it is characterized in that: the described anchor rib length implanted in described original concrete wall surface is 8 ~ 12 times of the diameter of described anchor rib; The first end of described Screw arbor with nut at both-ends and the weld length of described anchor rib are 8 ~ 12 times of the diameter of described anchor rib.
6., as claimed in claim 3 for the unilateral formwork supporting structure of enlarging section strengthening construction, it is characterized in that: described side form assembly comprises template and is located at the flitch outside described template.
7., for a single side formwork construction method for enlarging section strengthening construction, it is characterized in that, comprise step:
Anchor rib is implanted on original concrete wall surface;
Described anchor rib connects drawknot assembly;
Determine the setting position of lateral plate component, in described setting position, backform muscle is set on described drawknot assembly;
Install and fixed side assembly on described drawknot assembly, the inner side of described lateral plate component is resisted against on described backform muscle, and make between described side form assembly and described original concrete wall surface, to form the casting space for building ruggedized construction; And
Concreting in described casting space.
8. as claimed in claim 7 for the single side formwork construction method of enlarging section strengthening construction, it is characterized in that, described ruggedized construction is reinforced concrete structure, also comprise before being that described drawknot assembly arranges backform muscle: the inside reinforcing bar installing ruggedized construction, and by the inside reinforcing bar of described ruggedized construction and described drawknot components welding.
9. as claimed in claim 8 for the single side formwork construction method of enlarging section strengthening construction, it is characterized in that: described anchor rib is anchoring drag hook, the first end of described anchoring drag hook is anchored on described original concrete wall surface, forms at the second end of described anchoring drag hook the hook part hooking and be located on the inside reinforcing bar of described ruggedized construction.
10. as claimed in claim 7 for the single side formwork construction method of enlarging section strengthening construction, it is characterized in that: described drawknot assembly comprises Screw arbor with nut at both-ends and is screwed together in the securing member on described Screw arbor with nut at both-ends, the first end of described Screw arbor with nut at both-ends is welded with described anchor rib, second end of described Screw arbor with nut at both-ends is run through described lateral plate component, described securing member is resisted against the outside of described lateral plate component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610006697.2A CN105464401B (en) | 2016-01-06 | 2016-01-06 | Unilateral formwork supporting structure and construction method for enlarging section strengthening construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610006697.2A CN105464401B (en) | 2016-01-06 | 2016-01-06 | Unilateral formwork supporting structure and construction method for enlarging section strengthening construction |
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| CN105464401A true CN105464401A (en) | 2016-04-06 |
| CN105464401B CN105464401B (en) | 2018-09-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469044A (en) * | 2018-12-11 | 2019-03-15 | 中国建筑第八工程局有限公司 | Low damage unilateral formwork supporting structure and method under campshed support system |
| CN109680979A (en) * | 2019-02-25 | 2019-04-26 | 中国建筑第八工程局有限公司 | The reinforced construction method of existing structure |
| CN110725532A (en) * | 2019-10-29 | 2020-01-24 | 江卫强 | Supporting system for small formwork of bare concrete decorative wall and construction process |
| CN113653322A (en) * | 2021-07-19 | 2021-11-16 | 北京天恒建设集团有限公司 | Construction method of self-supporting system in single-side formwork wall |
| CN114293802A (en) * | 2021-12-22 | 2022-04-08 | 上海建工二建集团有限公司 | Single-side reinforcing system for existing building wall and construction method |
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| CN105040973A (en) * | 2015-08-05 | 2015-11-11 | 中国建筑第二工程局有限公司 | External decorative layer template of conical column of comprehensive gymnasium and construction method thereof |
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| WO2003052217A1 (en) * | 2001-12-14 | 2003-06-26 | Fukuvi Chemical Industry Co., Ltd. | Spacer for connecting concrete forms and concrete form connecting structure using the spacer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109469044A (en) * | 2018-12-11 | 2019-03-15 | 中国建筑第八工程局有限公司 | Low damage unilateral formwork supporting structure and method under campshed support system |
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| CN110725532A (en) * | 2019-10-29 | 2020-01-24 | 江卫强 | Supporting system for small formwork of bare concrete decorative wall and construction process |
| CN113653322A (en) * | 2021-07-19 | 2021-11-16 | 北京天恒建设集团有限公司 | Construction method of self-supporting system in single-side formwork wall |
| CN114293802A (en) * | 2021-12-22 | 2022-04-08 | 上海建工二建集团有限公司 | Single-side reinforcing system for existing building wall and construction method |
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|---|---|
| CN105464401B (en) | 2018-09-04 |
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