CN106245852A - Abnormity concrete counterfort reinforcing bar localization method - Google Patents
Abnormity concrete counterfort reinforcing bar localization method Download PDFInfo
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- CN106245852A CN106245852A CN201610849088.3A CN201610849088A CN106245852A CN 106245852 A CN106245852 A CN 106245852A CN 201610849088 A CN201610849088 A CN 201610849088A CN 106245852 A CN106245852 A CN 106245852A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of abnormity concrete counterfort reinforcing bar localization method, the steps include: 1) steel bar segmentation: reinforcing bar is divided into three joints, first segment reinforcing bar is to right cylinder and column top 5m, second section reinforcing bar to arch bifurcated the 5th section concrete below 2 meters, section three, reinforcing bar is to arch bifurcated top, and setting the support of twice location, first supports and is positioned at second section reinforcing bar top, supports the construction of second segment concrete；Second supports and is positioned at the top of Section of three reinforcing bar, supports arch bifurcated the 3rd, the construction of the concrete of the 4th section；2) reinforcing bar moulding controls；3) location supports: often group location supports and selects two steel pipes as vertical bar, and a horizontal steel pipe is placed on the downside of the reinforcing bar of two, bottom, and is welded；Another root transverse steel is placed on the downside of the reinforcing bar of two, top, and is welded, then connects horizontal steel pipe respectively with two longitudinal steel pipes, arranges several rows of steel pipe according to bar spacing, be used for supporting horizontal a lot of reinforcing bar on longitudinal steel pipe.
Description
Technical field
The present invention relates to a kind of concrete counterfort reinforcing bar location, especially a kind of abnormity concrete counterfort reinforcing bar location side
Method.
Background technology
Large-sized workshop, station and public venue are according to the architectural image big roof system of many employings, mixing on the downside of steel structural roof
Xtah Crude Clay structure includes roof system arch springing, concrete ring beam, Special-Shaped Column and batter post beam etc..Whole roof system is a unconventional property structure
Part, moulding is often abnormity hyperboloid or warped surface, and arch springing and primarily serving the purpose of of counterfort that the scale of construction is bigger support whole big roof system
System, arch springing batter post and lower rebar concrete together form the plane outer support system to superstructure, it is ensured that it is stable
Property and safety.
Plane outer support system feature:
1) reinforcing bar of counterfort and ring beam main muscle diameter is 40mm, and reinforcing bar follows the moulding of arch springing and ring beam constantly turning round
Song, the locus of every reinforcing bar is different from, and each reinforcing bar needs separately machined according to locus, and self load
Greatly, the location of reinforced bar engineering and support and must set up independent support, the location of the reinforced bar engineering of the most whole complexity, processing and
Support difficulty the biggest.
2) engineering structure is complicated, and counterfort is distortion, deformed shape with cant beam component, and front and back, domed end connects respectively simultaneously
Steel construction and xoncrete structure ring beam, it is to be ensured that construction is last accurately to be connected；Concrete ring beam is also the 3 D stereo knot in space
Structure, and height up to about 28 meters, accordingly, it would be desirable to the locus of establishment special monitoring scheme monitoring complex component.
3) often group counterfort not every independent, but by 2 arch according to certain angle intersect converge, separate the most again,
The batter post that 2, front end intersects supports moulding one arch springing of composition.Counterfort not only has radian in arch plane, and simultaneously to both sides
The measurement and positioning difficulty having angle of inclination, reinforcing bar and template is the biggest.The reinforcing bar setting-out of beam column intersection is extremely complex, and installation is stranded
Difficult.
4) inner side batter post is up big and down small gradual change inclined-plane post, and in conventional Joint Re-bar Construction, stirrup overlaps from the top down
Mode cannot be constructed.
Summary of the invention
The present invention is to provide for a kind of abnormity concrete counterfort reinforcing bar localization method, is used for solving above-mentioned technical problem.
The technical scheme is that a kind of abnormity concrete counterfort reinforcing bar localization method, the steps include:
1) steel bar segmentation
Some angle steel muscle of the arch springing by roof system counterfort, stirrup and location are supported and controls the position of reinforcing bar and make
Type, wherein reinforcing bar is divided into three joints, first segment reinforcing bar to right cylinder and column top 5m, and second section reinforcing bar is mixed to arch bifurcated the 5th section
Below solidifying soil 2 meters, Section three reinforcing bar is to arch bifurcated top, and sets twice location and support, and first support is positioned at second section reinforcing bar
At top, support the construction of second segment concrete；Second supports and is positioned at the top of Section of three reinforcing bar, supports arch bifurcated
3rd, the construction of the concrete of the 4th section；
2) reinforcing bar moulding controls
First, draw the graphics of reinforcing bar, according to the three-dimensional dimension dividing the reinforcing bar taking out respective point position of construction section, send
It is processed to specifying process unit；After machining, according to three-dimensional dimension precise positioning reinforcement location, then support weldering with location
Extremely, colligation and fixing stirrup, and control the moulding of whole roof system arch springing；Then, some angle steel muscle are laid according to bar spacing
Distribution bar；
3) location supports:
Often group location supports and selects two steel pipes as vertical bar, and a horizontal steel pipe is placed under the reinforcing bar of two, bottom
Side, and be welded；Another root transverse steel is placed on the downside of the reinforcing bar of two, top, and is welded, then connects respectively with two longitudinal steel pipes
Connect horizontal steel pipe, longitudinal steel pipe arranges several rows of steel pipe according to bar spacing, is used for supporting horizontal a lot of reinforcing bar.
In above-mentioned steps, need roof system counterfort is carried out construction survey, first, generate room by BIM 3 d modeling software
The three-dimensional structure model of lid counterfort, decomposes the coordinate of each four points in crucial cross section drawing this component, by each by software
The space coordinates of the point in cross section resolves into plane coordinates, and corresponding absolute altitude；Set up the support as component of the steel platform again
Platform and sterically defined operating platform, then, plane control stake doubles as high process control stake, and each control point elevation uses and closes
Route pilot measurement up to scratcs, and join tax by what distance carried out mis-tie misclosure.
The invention has the beneficial effects as follows:
The abnormity concrete counterfort reinforcing bar localization method of the present invention can have a solution:
(1) location and the support of the reinforced bar engineering of counterfort and ring beam must set up independent support, the reinforcing bar of whole complexity
The location of engineering, process and support the sizable technical problem of difficulty.
(2) without the locus of establishment special monitoring scheme monitoring complex component.
(3) the reinforcing bar setting-out of beam column intersection can be solved complicated, the technical problem of installation difficulty.
(4) can angle certainly inner side batter post be up big and down small gradual change inclined-plane post, in conventional Joint Re-bar Construction, stirrup be from upper
The technical problem cannot constructed to the mode trapped.
Accompanying drawing explanation
Fig. 1 is that reinforcing bar positions supporting plane figure；
Fig. 2 is reinforcement positioning support figure；
Fig. 3 is the sectional view in Fig. 2 along 1-1；
Fig. 4 is that reinforcing bar positions supporting plane layout drawing.
Detailed description of the invention
A kind of abnormity concrete counterfort reinforcing bar localization method, the steps include:
1) steel bar segmentation
As it is shown in figure 1, abnormity concrete counterfort is made up of face arch bifurcated post 1-1, rear arch bifurcated post 1-2, column 1-3.Vertical
There is above post 1-3 face arch bifurcated post 1-1, rear arch bifurcated post 1-2.Face arch bifurcated post 1-1 sequentially consists of face arch bifurcated
Second segment 2-A, the 3rd section of 3-A of face arch bifurcated, face arch bifurcated section the 4th 4-A, the 5th section of 5-A of face arch bifurcated.Rear arch bifurcated post 1-2
Sequentially consist of rear arch bifurcated second segment 2-B, the 3rd section of 3-B of rear arch bifurcated, rear arch bifurcated the 4th section of 4-B, rear arch bifurcated
5th section of 5-B.
The reinforcing bar of counterfort, in addition to column and batter post, is all irregularly to distort reinforcing bar, so by four angle steel of arch springing
Muscle, stirrup and location support position and the moulding controlling reinforcing bar.Reinforcing bar is divided into three joints, on first segment reinforcing bar 10 to column 1-3
Remove 5m, second section reinforcing bar 11 to arch bifurcated the 5th section concrete below about 2 meters, Section of three reinforcing bar is to top.If twice are fixed
Position supports, and first supports 20 and is positioned at second section reinforcing bar 11 top, supports the construction of the concrete of arch bifurcated second segment；The
Two roads supports 21 are positioned at the top of Section of three reinforcing bar and (take 1-1 section on 5-A section concrete), support arch bifurcated the 3rd, the
The construction of four sections of mixed solidifying soil.Steel bar segmentation and location supporting plane figure are as shown in Figure 1.
2) reinforcing bar moulding controls
As a example by four angle steel muscle of face arch, removing 20mm protective layer thickness, (reinforcing bar is straight to draw the graphics of four reinforcing bars
Footpath 40mm), according to the three-dimensional dimension dividing the reinforcing bar taking out respective point position of construction section, deliver to specify process unit to add
Work；After machining, according to three-dimensional dimension precise positioning reinforcement location, then it is welded with location support, colligation and fixing stirrup, control
Make the moulding of whole roof system arch springing.Control well and directly lay distribution steel according to bar spacing at four angle steel muscle again after moulding
Muscle.Rear arch and the same face arch of coupling beam reinforcing bar value.
3) location supports:
Often group location supports and selects two 48X3mm steel pipes as vertical bar, and a horizontal steel pipe is placed on two, bottom
On the downside of reinforcing bar, after confirmation, it is welded；Another root transverse steel is placed on the downside of the reinforcing bar of two, top, after confirmation, and weldering
Extremely, then connect horizontal steel pipe respectively with two longitudinal steel pipes, longitudinal steel pipe arranges several rows of steel pipe according to bar spacing, uses
In supporting horizontal a lot of reinforcing bar.
Whole arch springing construction deployment is as follows: basis → first segment reinforcing bar binding → first paragraph concrete construction → set up first
Layer steel platform → colligation second section reinforcing bar → set up first reinforced bar support → second segment concrete construction → set up second layer steel
Section of three reinforcing bar of platform → colligation → set up second reinforced bar support → dismounting first reinforced bar support → the 3rd section concrete is executed
Work → set up third layer steel platform → the 4th concrete construction → dismounting second reinforced bar support → the 5th road concrete construction.Fixed
What position supported sets up and removes according to the flow process construction in construction deployment
Support Position, location determines: as a example by face arch second section reinforced bar support, take 1-in BIM model at reinforced bar support
1 section, obtains profile, can take out the Z coordinate of four pads A, B, C, D of reinforcing bar and horizontal cross bar；Further according to perspective
Plane graph, can take out X, Y coordinate, determines reinforcing bar and the three-dimensional coordinate of four pads of horizon bar, such as Fig. 2, shown in 3:
Reinforcing bar location supporting row frame is set up: as a example by face arch second section Steel bar rack: between Steel bar rack both sides are respectively set up
Twice steel pipe away from 800, also sets up the twice steel pipe of spacing 800 simultaneously in the side that cuts section bar, and is collectively forming reinforcing bar location and supports row
Frame system, as shown in Figure 4.
4) construction survey
Roof system counterfort belongs to three dimensions stereoscopic member, and the location of component exists the biggest difficulty.By BIM three-dimensional modeling
Software Create three-dimensional structure model, can be decomposed by software each four points in crucial cross section drawing this component coordinate (x,
Y, z), the space coordinates of the point in each cross section is resolved into plane coordinates (x, y), and corresponding absolute altitude H.
Owing to after face arch, the pitch of arch is higher, support and setting-out exists the biggest difficulty, set up steel platform propping up as component
Support platform and sterically defined operating platform.
High process control: plane control stake doubles as high process control stake, vertical control point Fixed Initial Point uses owner to provide also
The bench mark used is agreed to through management inspection.Each control point elevation uses closed leveling line pilot measurement, and closes by distance
Poor joins tax.High process control is with reference to fourth-order leveling.
Claims (2)
1. an abnormity concrete counterfort reinforcing bar localization method, it is characterised in that the steps include:
1) steel bar segmentation
Some angle steel muscle of the arch springing by roof system counterfort, stirrup and location are supported position and the moulding controlling reinforcing bar,
Wherein reinforcing bar is divided into three joints, first segment reinforcing bar to column top 5m, second section reinforcing bar to arch bifurcated the 5th section concrete below 2
Rice, Section of three reinforcing bar is to arch bifurcated top, and sets the support of twice location, and first supports and is positioned at second section reinforcing bar top,
Support the construction of second segment concrete；Second supports and is positioned at the top of Section of three reinforcing bar, supports and encircles bifurcated the 3rd, and the 4th
The construction of the concrete of section；
2) reinforcing bar moulding controls
First, draw the graphics of reinforcing bar, according to the three-dimensional dimension dividing the reinforcing bar taking out respective point position of construction section, deliver to refer to
Determine process unit to be processed；After machining, according to three-dimensional dimension precise positioning reinforcement location, then it is welded with location support,
Colligation and fixing stirrup, and control the moulding of whole roof system arch springing；Then, some angle steel muscle lay distribution according to bar spacing
Reinforcing bar；
3) location supports:
Often group location supports and selects two steel pipes as vertical bar, and a horizontal steel pipe is placed on the downside of the reinforcing bar of two, bottom,
And be welded；Another root transverse steel is placed on the downside of the reinforcing bar of two, top, and is welded, then connects horizontal stroke respectively with two longitudinal steel pipes
To steel pipe, longitudinal steel pipe arranges several rows of steel pipe according to bar spacing, is used for supporting horizontal a lot of reinforcing bar.
Abnormity concrete counterfort reinforcing bar localization method the most according to claim 1, it is characterised in that: in above-mentioned steps, need
Roof system counterfort is carried out construction survey, first, is generated the three-dimensional structure model of roof system counterfort by BIM 3 d modeling software,
Decomposed the coordinate of each four points in crucial cross section drawing this component by software, the space coordinates of the point in each cross section is decomposed
Become plane coordinates, and corresponding absolute altitude；Set up steel platform more flat as support platform and the sterically defined operation of component
Platform, then, plane control stake doubles as high process control stake, and each control point elevation uses closed leveling line pilot measurement, and by away from
Tax is joined from carry out mis-tie misclosure.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107122539A (en) * | 2017-04-24 | 2017-09-01 | 清华大学建筑设计研究院有限公司 | A kind of design method based on continuous deflecting armored concrete column structure system |
| CN108427783A (en) * | 2017-08-12 | 2018-08-21 | 中民筑友科技投资有限公司 | A kind of reinforcing bar bundle design management method and device based on BIM |
| CN108759775A (en) * | 2018-03-14 | 2018-11-06 | 江苏恒久钢构有限公司 | A kind of method for building up of vertical control network |
| CN110835976A (en) * | 2019-12-09 | 2020-02-25 | 上海宝冶集团有限公司 | Space positioning construction method for V-shaped stiff column |
| CN111335546A (en) * | 2020-03-11 | 2020-06-26 | 中国建筑第八工程局有限公司 | Construction method for binding special-shaped variable-section cylindrical steel bars |
| CN115263001A (en) * | 2022-09-15 | 2022-11-01 | 中国二十二冶集团有限公司 | Lofting construction method of bidirectional inclined reducing concrete column |
| CN117592173A (en) * | 2024-01-19 | 2024-02-23 | 中国建筑西南设计研究院有限公司 | Special-shaped bifurcation column arrangement method and system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107122539A (en) * | 2017-04-24 | 2017-09-01 | 清华大学建筑设计研究院有限公司 | A kind of design method based on continuous deflecting armored concrete column structure system |
| CN107122539B (en) * | 2017-04-24 | 2019-09-03 | 清华大学建筑设计研究院有限公司 | A kind of design method based on continuous deflecting armored concrete column structure system |
| CN108427783A (en) * | 2017-08-12 | 2018-08-21 | 中民筑友科技投资有限公司 | A kind of reinforcing bar bundle design management method and device based on BIM |
| CN108759775A (en) * | 2018-03-14 | 2018-11-06 | 江苏恒久钢构有限公司 | A kind of method for building up of vertical control network |
| CN110835976A (en) * | 2019-12-09 | 2020-02-25 | 上海宝冶集团有限公司 | Space positioning construction method for V-shaped stiff column |
| CN111335546A (en) * | 2020-03-11 | 2020-06-26 | 中国建筑第八工程局有限公司 | Construction method for binding special-shaped variable-section cylindrical steel bars |
| CN111335546B (en) * | 2020-03-11 | 2021-06-11 | 中国建筑第八工程局有限公司 | Construction method for binding special-shaped variable-section cylindrical steel bars |
| CN115263001A (en) * | 2022-09-15 | 2022-11-01 | 中国二十二冶集团有限公司 | Lofting construction method of bidirectional inclined reducing concrete column |
| CN117592173A (en) * | 2024-01-19 | 2024-02-23 | 中国建筑西南设计研究院有限公司 | Special-shaped bifurcation column arrangement method and system |
| CN117592173B (en) * | 2024-01-19 | 2024-04-19 | 中国建筑西南设计研究院有限公司 | Special-shaped bifurcation column arrangement method and system |
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