CN209636857U - Side wall concrete sequence placing structure - Google Patents
Side wall concrete sequence placing structure Download PDFInfo
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- CN209636857U CN209636857U CN201920068630.0U CN201920068630U CN209636857U CN 209636857 U CN209636857 U CN 209636857U CN 201920068630 U CN201920068630 U CN 201920068630U CN 209636857 U CN209636857 U CN 209636857U
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- side wall
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- concrete sequence
- storehouse
- sequence placing
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Abstract
The utility model discloses a kind of side wall concrete sequence placing structure, especially a kind of side wall concrete sequence placing structure for being related to pouring concrete construction field.The side wall concrete sequence placing structure of the utility model, including separating intercept net and positioned at the wall steel bar for separating intercept net both ends, the both ends for separating intercept net are connect with wall steel bar, and side wall concrete sequence placing region is separated into multiple casting and builds storehouse by the separation intercept net.The side wall concrete sequence placing structure of the utility model is avoided that sidewall of basement concrete structure leaks, and easy construction, occupancy short time limit, operation side are small, and other process is not interfered to carry out.
Description
Technical field
The utility model relates to a kind of side wall concrete sequence placing structure, especially one kind is related to pouring concrete construction
The side wall concrete sequence placing structure in field.
Background technique
When the longer side wall concreting of basement, because peace tears the limitation of pump line open, casting position should not be frequently moved.It is mixed
The solidifying native dispersion trickling in side wall template, trickling horizontal distance is remote up to 30 meters, and is difficult to accomplish to shake along inclined-plane in construction
It smashes, such concrete trickles farther.Under limited speed of perfusion, local concrete initial set, shape in casting process are easily caused
At oblique cold seam.It is unfavorable for structural intergrity and waterproof performance, be easy to cause external wall seepage.Therefore there are no one in the prior art
Kind is avoided that sidewall of basement concrete structure leaks, and easy construction, occupancy short time limit, operation side are small, no
The side wall concrete sequence placing structure for interfering other process to carry out.
Utility model content
The technical issues of the utility model is solved is to provide one kind and is avoided that sidewall of basement concrete structure seeps
Leakage, and easy construction, occupancy short time limit, operation side are small, and the side wall concrete point storehouse for not interfering other process to carry out is poured
Building structure.
The utility model used side wall concrete sequence placing structure, including separation intercept net in order to solve the above problem
With the wall steel bar for being located at separation intercept net both ends, the both ends for separating intercept net are connect with wall steel bar, and the separation is blocked
It cuts net and is separated into side wall concrete sequence placing region and multiple pour storehouse.
Further, the separation intercept net includes spacer bar and steel wire, the steel wire and spacer bar connect
It connects.
Further, the steel wire is band shape net.
It is connect further, the surrounding with shape net passes through tied silk with wall steel bar, the spacer bar and wall
Body reinforcement welding.
Further, between the steel wire and template, there are gaps.
Further, the steel wire mesh diameter is within the scope of 9.9mm to 10.1mm.
The beneficial effects of the utility model are: the distance that the separation intercept net of the application is trickled by reducing concrete, subtracts
The surface area of small newly-laid concrete, combines New-old concrete constantly, can effectively prevent the appearance of cold seam.Furthermore divide storehouse sharp
Coagulation earth lateral pressure is born with wall steel bar, wall steel bar is pushed away tiltedly in order to prevent, is poured behind point storehouse using horizontal slice
Method, the successive casting concrete in the two sides Fen Cang can effectively mitigate lateral pressure, oscillating mass also available guarantee.Separate intercept net
Both ends connected and fix using existing wall steel bar, do not need fixed structure in addition is arranged, make easy construction, occupancy duration
It is short, operation side is small, do not interfere other process to carry out.
Detailed description of the invention
Fig. 1 is the basement gear figure wall plan view of the application.
Fig. 2 is the basement gear figure wall sectional view of the application.
Fig. 3 is the sequence placing precedence diagram of the application.
In the figure, it is marked as first pour storehouse 1, second pour storehouse 2, third pours storehouse the 3, the 4th and pours storehouse the 4, the 5th and pours storehouse
5, the 6th pour storehouse the 6, the 7th pour storehouse the 7, the 8th pour storehouse the 8, the 9th pour storehouse 9, separate intercept net 10, wall steel bar 11.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the side wall concrete sequence placing structure of the application, including separate 10 He of intercept net
Positioned at the wall steel bar 11 for separating 10 both ends of intercept net, the both ends for separating intercept net 10 are connect with wall steel bar 11, described
Side wall concrete sequence placing region is separated into multiple (two or more) and pours storehouse by separation intercept net 10.The application along perpendicular to
Side wall concrete sequence placing region is separated into multiple several sections i.e. " point storehouse " using separation intercept net 10 by the direction of side wall,
Carry out successively casting concrete according to a point storehouse.Wherein separate the distance that intercept net 10 is trickled by reducing concrete, reduction is newly poured mixed
The surface area for coagulating soil, combines New-old concrete constantly, can effectively prevent the appearance of cold seam.Furthermore storehouse is divided to utilize wall steel
Muscle 11 bears coagulation earth lateral pressure, and in order to prevent wall steel bar 11 is pushed away tiltedly, divides behind storehouse using horizontal slice casting method, point
The successive casting concrete in storehouse two sides can effectively mitigate lateral pressure, oscillating mass also available guarantee.Separate the two of intercept net 10
End connects to fix using existing wall steel bar 11, does not need that fixed structure in addition is arranged, and makes easy construction, occupies the duration
It is short, operation side is small, do not interfere other process to carry out.
The separation intercept net 10 of the application includes spacer bar and steel wire, and the steel wire is connect with spacer bar.Its
Middle spacer bar plays support to entire separation intercept net 10 and keeps the work of its shape as the skeleton for separating intercept net 10
With the trickling for being used to control and adjust concrete of steel wire makes separation intercept net 10 can be to concrete in casting process
Flowing play good adjustment effect.
It is separated the splicing of intercept net 10 for convenience, the steel wire of the application uses band shape net.
It is reliably fixed to make to separate intercept net 10, the surrounding with shape net of the application passes through tied silk and wall steel bar 11
Connection, the spacer bar and wall steel bar 11 weld.
In addition, between the steel wire and template of the application, also there are gaps.It can be made in this way to avoid complete partition concrete
It can not be successfully flowing at concrete.
In order to make concrete flowing velocity be in optimal range, the steel wire mesh diameter of the application 9.9mm extremely
10.1mm in range.In addition, steel wire of the steel wire using mesh 10mm or so, when increase keel reinforcing bar and is weldingly fixed on wall
After on body reinforcing bar 11, the lateral pressure of concreting can be effectively born, and coarse aggregate is in the pressure of concrete fluid
Under be tightly embedded in mesh, effectively blocked concrete grout from mesh flow out.Coarse aggregate protrusion mesh forms rough surface simultaneously, favorably
Concrete in the other side connects stubble.
Divide the selection method of storehouse distance in the application are as follows: every tank concrete presses 8m3Meter, lift height press 1.8m, 300 thick walls
One tank concrete of body can pour 15m, therefore carry out a point storehouse by 15m spacing, and every tank concrete can fill a case.Wall corner coagulation
Soil is not easy to flow, therefore a point storehouse should on the corner be arranged, and makes to pour section and all becomes straight line.Point storehouse really utilizes wall steel bar 11
Coagulation earth lateral pressure is born, in order to prevent wall steel bar 11 is pushed away tiltedly, is divided behind storehouse using horizontal slice casting method, is divided to storehouse two
The successive casting concrete in side can effectively mitigate lateral pressure, oscillating mass also available guarantee.
Wherein casting method is using dividing storehouse staircase method casting concrete, and when adjacent two casees concreting need only move pump line
Mouth is poured, it is easy for construction without mobile pump line.Wall, which pours, generally can pour a tank concrete for every 30 minutes, each
Point one tank concrete of storehouse wall can pour 1.8m high, and it is small that the time of adjacent two points of storehouse concreting to top is no more than 1.5
When, less than the presetting period of concrete, it is ensured that do not occur horizontal, vertical and oblique construction joint.
Theoretical quantitative analysis is carried out to the effect of application sequence placing below:
To pour in terms of 45m long retaining wall, a little it is selected at 22.5 meters without using pouring for this engineering method, the face that pours is in oblique line,
Angle is the factor controllings such as concrete slump, pours sectional area calculating:
S=2 × 0.3 × 22.5 × 2/ √ 3=15.6m2
A point of storehouse section is poured every time, and sectional area is made of horizontal sectional area and side cross-section product, is respectively calculated as follows:
Horizontal sectional area (No. 1 and No. 2 merging)=2 × 15 × 0.3=m2
Side cross-section product (according to sequence is poured, only has 1 point of storehouse section exposed side area) forever
=1.8 × 0.3=0.54m2
Divide storehouse method total sectional area=9+0.54=9.54m2
After engineering method, the sectional area poured is by 15.6m2It has been reduced to 9.54m2, the ratio that reduces is 38.8%, can be waited
Effect, which is considered as, extends the presetting period 38.8%, equivalent can also be considered as and improve concrete transportation, speed of perfusion 38.8%.
Using the application implementation steps are as follows:
1, it places, fixed steel wire
Keel --- the spacer bar of steel wire is first set, spacer bar and wall steel bar 11 are welded and fixed.Then will
Steel wire is cut to the band shape net of 300mm wide, is placed in the wall for needing point storehouse, and the surrounding of banding pattern net is bound with tied silk
On wall steel bar 11, the middle part of banding pattern net is bound on spacer bar.
Notice that steel wire not contact template, avoids separating concrete completely.
2, successively sequence placing concrete
The purpose successively poured has:
(1) guarantee that difference divides the end concrete of storehouse section not pre-hardening (i.e. at mesh partition)；
(2) speed of perfusion for controlling same point of storehouse section, does not make to pour that pressure is excessive to lead to quick-fried mould.
Specifically when pouring as shown in figure 3, successively pour first pour storehouse 1, second pour storehouse 2, third pours storehouse the 3, the 4th
It pours storehouse the 4, the 5th and pours storehouse the 5, the 6th and pour storehouse the 6, the 7th and pour storehouse the 7, the 8th and pour storehouse the 8, the 9th and pour storehouse 9.
The basement retaining wall of this engineering 45m long pours section, is divided into 3 points of storehouse sections by 15m spacing.Sequence placing sequence is shown in
Fig. 3.
The material and equipment used in implementation process
1, reinforcing bar 250mm long, grade III steel diameter 16mm are intercepted；
2, steel wire 10 × 10 × 0.6 is cut into the band-like of 300mm wide；
3, tied silk is several, gloves are several；
4, the equipment used is reinforcing bar blank cutter, welding machine.
Quality control in implementation process
1, spacer bar installation must be securely.
Inspection method: tape measure checks bar spacing, visually inspects welding quality.
2, otherwise steel wire installation securely can must pop under the action of concrete lateral pressure and construction loads, cause
Engineering method failure.
Inspection method: visual inspection steel wire binds quality.
3, wall steel bar 11 is pushed away tiltedly in order to prevent, it should which reinforcing bar is indulged muscle position and marked on template drawing with coloured chalk at the top of the wall
Remember (before pouring), pouring Shi You section chief's visual monitoring, such as finds that reinforcing bar indulges muscle and chalk mark position is staggered more than certain journey
Degree indicates coagulation earth lateral pressure at 11 points of storehouses of wall steel bar and is pushed away tiltedly.Pump line should be moved in time at this time to pour down
One point of storehouse section, allows the side pressure dynamic balance in two neighboring storehouse, eliminates the adverse effect to wall steel bar 11 in time.
4, when vibrated concrete, it should be noted that vibrating time, dynamics of the control near steel wire.Make sure to keep in mind excessively to vibrate
Steel wire is caused to rupture, it can not leakage.
Safety measure in implementation process
1, when installing metal binding wire net, worker wants wearing gloves, avoids being stabbed.It must wear in the operation of 2.0m or more height
Wear safety belt.
2, it is poured in strict accordance with sequence placing sequence, avoids the individually point storehouse section too fast and quick-fried mould of speed of perfusion.
3, support for shuttering must not link with crosshead.
4, when tearing pump line open, must not stand people near pump pipe union, in order to avoid wounded by concrete splash.
The advantages of the application:
(1) it is analyzed in terms of the duration, by the application of the engineering method, sidewall of basement junction concrete construction quality is obtained
Larger raising avoids the occurrence of secondary repairing, advantageous to shortening the construction period.
(2) it is analyzed in terms of construction quality, passes through the application of the engineering method, sidewall of basement junction concrete construction quality
It is improved, to avoiding waterproof construction common quality defect from having larger effect.
(3) from drop low cost aspect analysis, owner's require reprocess industry due to outer wall of basement leak is effectively reduced
Business, produces benefit indirectly.I.e. quality is for benefit.
Claims (6)
1. side wall concrete sequence placing structure, it is characterised in that: separate intercept net including separating intercept net (10) and being located at
(10) wall steel bar (11) at both ends, the both ends for separating intercept net (10) are connect with wall steel bar (11), and the separation is blocked
It cuts net (10) and is separated into side wall concrete sequence placing region and multiple pour storehouse.
2. side wall concrete sequence placing structure as described in claim 1, it is characterised in that: separation intercept net (10) packet
Spacer bar and steel wire are included, the steel wire is connect with spacer bar.
3. side wall concrete sequence placing structure as claimed in claim 2, it is characterised in that: the steel wire is band shape net.
4. side wall concrete sequence placing structure as claimed in claim 3, it is characterised in that: the surrounding with shape net is logical
It crosses tied silk to connect with wall steel bar (11), the spacer bar and wall steel bar (11) are welded.
5. side wall concrete sequence placing structure as claimed in claim 2, it is characterised in that: between the steel wire and template
There are gaps.
6. side wall concrete sequence placing structure as claimed in claim 2, it is characterised in that: the steel wire mesh diameter exists
Within the scope of 9.9mm to 10.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068630.0U CN209636857U (en) | 2019-01-15 | 2019-01-15 | Side wall concrete sequence placing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068630.0U CN209636857U (en) | 2019-01-15 | 2019-01-15 | Side wall concrete sequence placing structure |
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| CN209636857U true CN209636857U (en) | 2019-11-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155565A (en) * | 2020-03-11 | 2020-05-15 | 张晶 | Multi-layer composite construction method for waterproof coiled material without lap joint loss |
| CN111424707A (en) * | 2020-04-07 | 2020-07-17 | 中建三局集团有限公司 | Core tube mixed structure overlong basement skip construction method |
| CN112031012A (en) * | 2020-07-14 | 2020-12-04 | 上海建工集团股份有限公司 | Warehouse-dividing excavation construction method and device for bearing platform under limited operation space |
| CN112171878A (en) * | 2020-09-16 | 2021-01-05 | 山东汇富建设集团建筑工业有限公司 | Production process of assembled wallboard |
| CN112610233A (en) * | 2020-11-27 | 2021-04-06 | 中铁十五局集团有限公司 | 'golden cicada unshelling' type rectangular jacking pipe receiving construction method |
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2019
- 2019-01-15 CN CN201920068630.0U patent/CN209636857U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155565A (en) * | 2020-03-11 | 2020-05-15 | 张晶 | Multi-layer composite construction method for waterproof coiled material without lap joint loss |
| CN111155565B (en) * | 2020-03-11 | 2022-04-08 | 张晶 | Multi-layer composite construction method for waterproof coiled material without lap joint loss |
| CN111424707A (en) * | 2020-04-07 | 2020-07-17 | 中建三局集团有限公司 | Core tube mixed structure overlong basement skip construction method |
| CN112031012A (en) * | 2020-07-14 | 2020-12-04 | 上海建工集团股份有限公司 | Warehouse-dividing excavation construction method and device for bearing platform under limited operation space |
| CN112171878A (en) * | 2020-09-16 | 2021-01-05 | 山东汇富建设集团建筑工业有限公司 | Production process of assembled wallboard |
| CN112171878B (en) * | 2020-09-16 | 2022-02-22 | 山东汇富建设集团建筑工业有限公司 | Production process of assembled wallboard |
| CN112610233A (en) * | 2020-11-27 | 2021-04-06 | 中铁十五局集团有限公司 | 'golden cicada unshelling' type rectangular jacking pipe receiving construction method |
| CN112610233B (en) * | 2020-11-27 | 2023-06-13 | 中铁十五局集团有限公司 | Rectangular jacking pipe receiving construction method of' golden cicada shelling |
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