CN107974937B - A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template - Google Patents
A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template Download PDFInfo
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- CN107974937B CN107974937B CN201711163902.7A CN201711163902A CN107974937B CN 107974937 B CN107974937 B CN 107974937B CN 201711163902 A CN201711163902 A CN 201711163902A CN 107974937 B CN107974937 B CN 107974937B
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- stencil body
- sealing
- concrete
- covering anchorage
- anchor recess
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention belongs to construction engineering technical field, a kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template are disclosed.This approach includes the following steps, S1, selects the first stencil body；S2, the lower edge that the lower edge of the first stencil body is abutted to anchor recess, form accommodation space and feed inlet；S3, penetration concrete；S4, it vibrates to concrete；S5, detection concrete quality, it is undesirable to repeat S4；S6, the second stencil body is selected, is repeated in S2, S3, S4 and S5；S7, template is removed, is plastered and is conserved.The present invention is by the placement layer by layer to beam-ends anchor recess progress concrete, convenient for pouring into for concrete.Electric vibrator vibrated concrete is used in placement layer by layer, and effectively gas present in concrete can be discharged, concrete vibrating is closely knit.In addition to this, this method is easy to operate, convenient for construction, improves sealing off and covering anchorage efficiency and sealing off and covering anchorage quality, and can be realized entity effect real in the outer light of sealing off and covering anchorage concrete.
Description
Technical field
The present invention relates to construction engineering technical field more particularly to a kind of sealing off and covering anchorage construction methods and beam-ends sealing off and covering anchorage template.
Background technique
Since materials'use is high-efficient, span is big, and crack is small, and the good feature of structure durability, prestressed structure is in engineering
It is more and more extensive in.
In the construction of prestressing force simple supported box beam sealing off and covering anchorage, since the position of anchor recess is located at box beam end and anchor recess perpendicular to beam-ends
And it is recessed to beam body inside, such anchor recess design can give sealing off and covering anchorage operation arrival biggish difficulty of construction, at present generally using whole
Body formula bamboo glue pattern plate casting method, and constructed using the method that artificial insertion vibrating spear vibrates, but monoblock type template is installed
Program is complicated, and at high cost, construction efficiency is lower, and Integral bamboo glue pattern plate lower edge pressure in casting process is larger, holds
It is also easy to produce deformation, influences the quality of sealing off and covering anchorage.In addition to this, the method manually vibrated is not easy concrete vibrating is closely knit, causes to mix
There are stomatas in solidifying soil, and due to gravity, and the concrete of upper limb and the concrete of original beam body connect stubble not in anchor recess
Closely knit, there are gaps.
In view of the above problems, needing a kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template, realize that quickly and efficiently sealing off and covering anchorage is applied
Work, and can guarantee sealing off and covering anchorage quality, cost is reduced, realizes technical effect real in the outer light of sealing off and covering anchorage concrete.
Summary of the invention
It is an object of the present invention to provide a kind of sealing off and covering anchorage construction method, realize that quickly and efficiently sealing off and covering anchorage is constructed, and
It can guarantee sealing off and covering anchorage quality simultaneously, realize technical effect real in the outer light of sealing off and covering anchorage concrete.
For this purpose, the present invention provides a kind of sealing off and covering anchorage construction methods, comprising the following steps:
S1: the first stencil body is placed in anchor recess, and the diameter of first stencil body is less than the diameter of the anchor recess；
S2: the lower edge by the lower edge of first stencil body against the anchor recess is arranged, the first template sheet
Feed inlet is formed between body top edge and the anchor recess top edge, the anchor recess in first stencil body, which is formed, accommodates sky
Between；
S3: concrete is poured into the accommodation space by the feed inlet；
S4: the output end of electric hammer vibrator is set on first stencil body in the card slot of projection, to the appearance
The concrete received in space vibrates；
S5: detection concrete quality repeats step S4 if it does not meet the requirements；If meeting the requirements, step S6 is carried out；
S6: selecting the second stencil body, and the diameter of second stencil body is greater than the diameter of first stencil body
And it is less than the diameter of the anchor recess, it is repeated in above-mentioned steps S2, step S3, step S4 and step S5；
S7: second stencil body is removed, the anchor recess is plastered and conserved.
Preferably, the diameter of first stencil body is greater than 290mm and is less than 360mm, second stencil body
Diameter be 360mm.
Preferably, before step S1, further includes: by the inner wall dabbing of the anchor recess, and place envelope in the anchor recess
Anchor reinforcing bar.
It is another object of the present invention to provide beam-ends sealing off and covering anchorage templates, realize and save material, reduce cost, guarantee simultaneously
The technical effect of construction quality.
To achieve the above object, the present invention also provides a kind of beam-ends for above-mentioned sealing off and covering anchorage construction method to seal anchor cavity mold mould
Plate:
Including stencil body, the stencil body is circular steel plate, and position is convexly equipped with card slot among the stencil body, institute
It states and is symmetrically arranged with handle about the card slot on stencil body, the handle number is two.
Preferably, the handle is welded on the stencil body.
Beneficial effects of the present invention:
1) present invention successively blocks beam-ends anchor recess by using the different stencil body of specification, to realize to beam
Anchor recess is held to carry out concreting in lifts, convenient for pouring into for concrete.Layering is carried out to concrete using electric vibrator to vibrate,
Effectively gas present in concrete can be discharged, so that concrete vibrating is closely knit.In addition to this, this method operation letter
It is single, it solves the problems, such as that the installation of monoblock type template is complicated, construction is inconvenient, sealing off and covering anchorage efficiency and sealing off and covering anchorage quality is enabled to mention significantly
Height realizes entity effect real in the outer light of sealing off and covering anchorage concrete.
2) by the present invention in that the stencil body manufactured with steel plate, can repeatedly use, Integral bamboo glue is solved
The problem of template lower edge receiving pressure is big, mutability, had both been able to achieve saving material, reduced the purpose of cost and environmental protection, and energy
Guarantee the quality of concrete solid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of beam-ends sealing off and covering anchorage template provided by the invention；
Fig. 2 is the flow chart of sealing off and covering anchorage construction method provided by the invention；
Fig. 3 is the structural schematic diagram of sealing off and covering anchorage concrete setting state provided by the invention.
In figure:
1, stencil body；11, handle；12, card slot；21, the first layer concrete；22, the second layer concrete.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, present embodiments providing a kind of beam-ends sealing off and covering anchorage template, including stencil body 1, stencil body 1 is circle
Shape steel plate, the intermediate position of stencil body 1 are convexly equipped with card slot 12, and card slot 12 is circle, symmetrically set on stencil body 1 about card slot 12
It is equipped with handle 11, the number of handle 11 is two, and is fixed by welding on stencil body 1.
By using reusable stencil body 1, solving Integral bamboo glue pattern plate lower edge, to bear pressure big, easily
The problem of denaturation, can be realized saving material, reduce the purpose of construction cost and safety and environmental protection, while can guarantee sealing off and covering anchorage coagulation
The quality of soil is suitable for large-scale promotes and applies.
As shown in Fig. 2, a kind of sealing off and covering anchorage construction method for above-mentioned beam-ends envelope anchor cavity mold template is present embodiments provided, it should
Method specifically comprises the following steps:
S1: the first stencil body is placed in anchor recess mouth, and the diameter of the first stencil body is greater than 290mm and is less than 360mm,
Preferably, the diameter of the first stencil body is 320mm.
S2: the lower edge by the way of manually holding handle 11 by the lower edge of the first stencil body against anchor recess mouth is set
It sets, forms feed inlet between the first stencil body top edge and anchor recess top edge, the anchor recess in the first stencil body, which is formed, to be accommodated
Space；
S3: being poured into concrete in accommodation space by feed inlet, stops pouring into when accommodation space is full of concrete；
S4: manually fixing the first stencil body, the output end of electric hammer vibrator be set in card slot 12, shakes to electric hammer
The output end for smashing device is fixed, and drives the vibration of the first stencil body to the concrete in accommodation space by electric hammer vibrator
It vibrates, concrete answers vibration compacting, pore-free；
S5: detection concrete quality, if it does not meet the requirements, if concrete exist cavity, it is not full or with former concrete
Between there are gaps, then must before concrete does not solidify repeat step S4；If meeting the requirements, step S6 is carried out；
S6: selecting the second stencil body, and the diameter of the second stencil body is greater than the diameter of the first stencil body and is less than anchor
The diameter in cave, it is preferable that the diameter of the second stencil body is 180mm, and is repeated in above-mentioned steps S2, step S3, step S4
With step S5；
S7: the second stencil body is removed, is plastered anchor recess and is conserved, so that the beam-ends face on the surface of anchor recess and place
It flushes.
Further, in order to which the connection for reinforcing the concrete poured into and beam body first uses mechanical dabbing before step S1
Mode is to the concrete surface dabbing of anchor recess inner wall, then the sealing off and covering anchorage reinforcing bar bound is placed in anchor recess, then
First stencil body and the second stencil body structure are identical, but diameter is different.By using specification difference
Stencil body 1 successively beam-ends anchor recess is blocked, concreting in lifts is carried out to beam-ends anchor recess to realize, convenient for mixed
Solidifying soil pours into.Layering vibrated concrete is carried out using electric vibrator, can effectively be arranged gas present in concrete
Out, thus it is concrete vibrating is closely knit.In addition to this, this method is easy to operate, solves monoblock type template installation complexity, applies
The problem of work inconvenience enables to sealing off and covering anchorage efficiency and sealing off and covering anchorage quality to greatly improve, and realizes entity real in the outer light of sealing off and covering anchorage concrete
Effect.
Specifically, using the structural schematic diagram of sealing off and covering anchorage concrete setting state made of the above method as shown in figure 3, making
When with the first stencil body, the accommodation space of the first stencil body and anchor recess bottom forms the first layer concrete 21, is using the
When two stencil bodies, the accommodation space between 21 surface of the second stencil body and the first layer concrete forms the second layer concrete
22.Concrete is integrally in cone cylindricality, and specifically, thickness c in concrete upper end is 134mm in the present embodiment, and lower end thickness d is
146mm, 21 surface of the first layer concrete close to anchor recess bottom are rounded face that diameter a is 290mm, and the upper end is to anchor recess mouth side
To inclination, the surface of the close anchor recess mouth of the second layer concrete 22 is the rounded face that diameter b is 360mm, the center with anchor recess
Axis perpendicular, it is seen that flatness is good after concrete formation, and surface is smooth, and the plastering and maintenance to step S7 create good
Execution conditions.
By sealing off and covering anchorage construction method of the invention compared with traditional Integral bamboo glue pattern plate casting method, largely reduce
Cost, with high-new 171 hole of beam making field double line box girder in Qingdao, 364 hole of single line box beam, in total for 535 holes:
Firstly, calculating every 3 beams through statistics can save 1 artificial (200 yuan/people), cost of labor is reduced are as follows: 535/3*
200=35800 member.
Secondly, the stencil body 1 that method provided by the invention uses, repeats and be recycled, stencil body 1 is disposably thrown
Entering is 500 yuan, and to make template usage amount larger for traditional bamboo slab rubber, and average every three pieces beam replaces a bamboo glue pattern plate, once more
4.8 ㎡ (80 Yuan/㎡) is changed, needs to spend 80 ㎡=68736 yuan Yuan/535/3 * 4.8 ㎡ of material cost/piece *.
In conclusion sealing off and covering anchorage construction construction method can be with save the cost are as follows: 35800+68736-500=104036 member.
And pass through it was verified that the sealing off and covering anchorage construction method efficiently solves the problems of conventional construction method,
It puts into reducing construction material, reduces construction cost and labor intensity, greatly improve construction efficiency, comprehensive benefit is good
It is good, it has great application prospect.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (5)
1. a kind of sealing off and covering anchorage construction method, which comprises the following steps:
S1: the first stencil body is placed in anchor recess, and the diameter of first stencil body is less than the diameter of the anchor recess；
S2: the lower edge of first stencil body is abutted to the lower edge of the anchor recess, first stencil body top edge
Feed inlet is formed between the anchor recess top edge, the anchor recess in first stencil body forms accommodation space；
S3: concrete is poured into the accommodation space by the feed inlet；
S4: the output end of electric hammer vibrator is set in the card slot (12) of projection on first stencil body, to the appearance
The concrete received in space vibrates；
S5: detection concrete quality repeats step S4 if it does not meet the requirements；If meeting the requirements, step S6 is carried out；
S6: selecting the second stencil body, and the diameter of second stencil body is greater than the diameter of first stencil body and small
In the diameter of the anchor recess, it is repeated in above-mentioned steps S2, step S3, step S4 and step S5；
S7: second stencil body is removed, the anchor recess is plastered and conserved.
2. sealing off and covering anchorage construction method according to claim 1, which is characterized in that the diameter of first stencil body is greater than
290mm and it is less than 360mm, the diameter of second stencil body is 360mm.
3. sealing off and covering anchorage construction method according to claim 1, which is characterized in that before step S1, further includes:
By the inner wall dabbing of the anchor recess, and sealing off and covering anchorage reinforcing bar is placed in the anchor recess.
4. a kind of beam-ends sealing off and covering anchorage template for the described in any item sealing off and covering anchorage construction methods of claim 1-3, which is characterized in that packet
It includes:
Stencil body (1), the stencil body (1) are circular steel plate, and stencil body (1) centre is convexly equipped with card slot
(12), it is symmetrically arranged with handle (11) on the stencil body (1) about the card slot (12), handle (11) number is two
It is a.
5. beam-ends sealing off and covering anchorage template according to claim 4, which is characterized in that the handle (11) is welded in the template sheet
On body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163902.7A CN107974937B (en) | 2017-11-21 | 2017-11-21 | A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163902.7A CN107974937B (en) | 2017-11-21 | 2017-11-21 | A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template |
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| Publication Number | Publication Date |
|---|---|
| CN107974937A CN107974937A (en) | 2018-05-01 |
| CN107974937B true CN107974937B (en) | 2019-10-08 |
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| CN201711163902.7A Active CN107974937B (en) | 2017-11-21 | 2017-11-21 | A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template |
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Citations (5)
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| JP2011208395A (en) * | 2010-03-29 | 2011-10-20 | Mitsui Eng & Shipbuild Co Ltd | Structure and method for fixing planking for communication bridge between quay wall and floating body |
| CN204959617U (en) * | 2015-09-30 | 2016-01-13 | 杭州萧宏建设集团有限公司 | A support for supporting template of initial piece of bridge case roof beam |
| CN105484142A (en) * | 2015-10-30 | 2016-04-13 | 河海大学 | Assembling type sectional precast concrete hollow plate girder structure and manufacturing method thereof |
| CN105648921A (en) * | 2016-02-18 | 2016-06-08 | 长江水利委员会长江科学院 | Suspension bridge rock mass and reinforced concrete plate composited type anchorage and construction method thereof |
| CN105862602A (en) * | 2016-05-26 | 2016-08-17 | 大荣建设集团有限公司 | Turnover formwork system of hollow inclined concrete pylon and construction method thereof |
-
2017
- 2017-11-21 CN CN201711163902.7A patent/CN107974937B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011208395A (en) * | 2010-03-29 | 2011-10-20 | Mitsui Eng & Shipbuild Co Ltd | Structure and method for fixing planking for communication bridge between quay wall and floating body |
| CN204959617U (en) * | 2015-09-30 | 2016-01-13 | 杭州萧宏建设集团有限公司 | A support for supporting template of initial piece of bridge case roof beam |
| CN105484142A (en) * | 2015-10-30 | 2016-04-13 | 河海大学 | Assembling type sectional precast concrete hollow plate girder structure and manufacturing method thereof |
| CN105648921A (en) * | 2016-02-18 | 2016-06-08 | 长江水利委员会长江科学院 | Suspension bridge rock mass and reinforced concrete plate composited type anchorage and construction method thereof |
| CN105862602A (en) * | 2016-05-26 | 2016-08-17 | 大荣建设集团有限公司 | Turnover formwork system of hollow inclined concrete pylon and construction method thereof |
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| CN107974937A (en) | 2018-05-01 |
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