CN110205896A - The method of its progress road construction of concrete road surface dowel mounting device and application - Google Patents
The method of its progress road construction of concrete road surface dowel mounting device and application Download PDFInfo
- Publication number
- CN110205896A CN110205896A CN201910476185.6A CN201910476185A CN110205896A CN 110205896 A CN110205896 A CN 110205896A CN 201910476185 A CN201910476185 A CN 201910476185A CN 110205896 A CN110205896 A CN 110205896A
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- Prior art keywords
- dowel
- road surface
- frame
- mounting device
- armstand
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/06—Methods of making joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to concrete road technical field of construction, disclose a kind of concrete road surface dowel mounting device and the method using its progress road construction.The present invention includes that the handle being crossed on road surface along road width direction consolidates frame, and positioned at solid frame two sides being propped up respectively the mounting being located in the foundation structure of road surface two sides, the handle positioned at the handle solid frame two sides, and for placing dowel consolidates component；It is horizontally disposed rectangular frame solid frame；Solid component include it is several along rectangular frame length direction uniform intervals arrangement set ledges, horizontal series connect several connecting rods for setting ledges, and the operation pull rod positioned at connecting rod one end；Setting ledges includes door-shaped frame made of being enclosed as the upper horizon bar of symmetrically arranged a pair of of armstand and two armstand of horizontal connection, and connection door-shaped frame and the lower horizon bar solid frame.The configuration of the present invention is simple, easy to operate, normalizable controls the setting position of dowel.
Description
Technical field
The present invention relates to concrete road technical field of construction, install and fill more particularly to a kind of concrete road surface dowel
The method set and carry out road construction using it.
Background technique
In Road construction, concrete road surface be it is relatively conventional, generally to be set at the construction joint of concrete road surface
It is equipped with dowel, dowel vertically extends unwrapping wire setting with construction joint, and arranges along construction joint extending direction uniform intervals, connection
One end of muscle is fixedly connected with the connection mesh sheet of road to be laid, and the other end can slide.
In existing project under construction, dowel is typically all by the way of being manually arranged, and not only heavy workload, constructs
Difficulty is big, and larger by man's activity, and the position that dowel is placed is easy to appear offset, and depth can not be also uniformly controlled, deep
Shallow different, the construction quality of dowel is difficult to control.
Summary of the invention
It is simple that the present invention provides a kind of structure, easy to operate, and normalizable controls the concrete of the setting position of dowel
The method of its progress road construction of road surface dowel mounting device and application.
The technical issues of solution, is: the artificial mode for placing dowel, heavy workload, low efficiency, and construction quality is difficult to
Control, the placement location of dowel are easy offset and deep mixed.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
Dowel mounting device in concrete road surface of the present invention consolidates frame including being crossed on the handle on road surface along road width direction,
Positioned at solid frame two sides being propped up respectively the mounting being located in the foundation structure of road surface two sides, positioned at the handle solid frame two sides,
And the handle for placing dowel consolidates component；
It is horizontally disposed rectangular frame solid frame；
It include several ledges of setting along the arrangement of rectangular frame length direction uniform intervals solid component, horizontal series connection is several to set
The connecting rod of ledges, and positioned at connecting rod one end for pulling the driving assembly of connecting rod；Setting ledges includes by symmetrically arranged a pair
Door-shaped frame made of the upper horizon bar of two armstand of armstand and horizontal connection encloses, and connection door-shaped frame with solid frame
Lower horizon bar；Armstand top and one end of upper horizon bar are hinged, and bottom end is provided with L shape hook, and the opening direction of L shape hook is horizontal
It is arranged towards driving assembly side；Lower horizontal boom end is fixed horizontal through after the long side of rectangular frame with armstand, lower horizon bar
It is rotatablely connected with rectangular frame.
Dowel mounting device in concrete road surface of the present invention, further, the mounting include two A words being oppositely arranged
The cross tube and sheer pole of two A font brackets of shape bracket and horizontal connection, cross tube both ends respectively with two A font branch
The top of frame connects.
Dowel mounting device in concrete road surface of the present invention is further symmetrically set under two long sides solid frame
Be equipped with fixed arm, the fixed arm is arranged in a one-to-one correspondence with ledges is set, the fixed arm upper surface under solid frame long side
Surface is fixed, and the lateral surface of the fixed arm and the outer side elevation of long side are located in same vertical plane, and is pasted with the side of armstand
Close setting.
Dowel mounting device in concrete road surface of the present invention, further, the lower end edge of the fixed arm and armstand
Lower end edge is concordantly arranged, and is downwardly projected to form closing in portion along close to L shape hooking slits side, closing in portion and fixed arm lower end
Edge smooth transition.
Dowel mounting device in concrete road surface of the present invention, further, the connecting rod is arranged perpendicular to upper horizon bar, leads to
It crosses connector and upper horizon bar is rotatablely connected.
Dowel mounting device in concrete road surface of the present invention, further, the connector include fixing with upper horizon bar
A pair of of otic placode of connection and the first connection shaft being arranged between two otic placodes, the first connection shaft is horizontal through both ends after connecting rod
It is fixedly connected respectively with the otic placode of two sides, connecting rod connect shaft rotation connection with first.
Dowel mounting device in concrete road surface of the present invention, further, the driving component include cutting with scissors with solid frame
The meeting stile of the operation pull rod and attended operation pull rod and connecting rod that connect, meeting stile level are oppositely arranged, and one end passes through second
It connects shaft and interlinking lever end is rotatablely connected, the other end in the middle part of third rotating shaft rod and operation pull rod by being rotatablely connected, operation
Pull rod bottom end and the short side solid frame are hinged.
Dowel mounting device in concrete road surface of the present invention, further, the lower horizon bar is at a distance from armstand bottom end
Not less than the 2/5 of armstand height.
The method for carrying out road construction using concrete road surface dowel mounting device, comprising the following steps:
Step 1: cleaning construction road surface and determining width of roadway；
Step 2: being laid with bed course；
Step 3: being laid with lower-layer concrete；
Step 4: being required according to detail design, determines the setting position of connecting sewing, then dowel is set；
Step 5: setting reinforced mesh；
Step 6: being laid with upper layer concrete, and complete to be surface-treated；
Step 7: maintenance road surface to concrete reaches normal intensity, concrete pavement construction is completed.
It is further connected in step 4 using the method that concrete road surface dowel mounting device carries out road construction
The construction method of muscle the following steps are included:
4.1, it will be dialled on operation pull rod, armstand is set perpendicular to ground；
4.2, dowel is cut to design length, lain in a horizontal plane on each L shape hook set below ledges；
4.3, a liter dowel mounting device is hung, across road surface, two sides hold handle by construction personnel, the position designed according to dowel
It sets and is positioned and be aligned；
4.4, dowel mounting device is transferred, the height of mounting is adjusted, the mounting branch of two sides is located at the basis of construction road surface two sides
On, fall into armstand bottom and dowel in lower-layer concrete, it is ensured that dowel is vertical with the upper surface of lower-layer concrete
Distance is not more than 125mm；
4.5, operation pull rod is pulled downward on, all ledges of setting is driven to tilt, dowel is fallen from L shape hook, completes setting, so
It moves back except dowel mounting device.
Method and prior art phase of its progress road construction of dowel mounting device in concrete road surface of the present invention and application
Than having the following beneficial effects:
Dowel mounting device structure in concrete road surface of the present invention is simple, and several ledges of setting arranged side by side are connected as by connecting rod
One is simultaneously uniformly controlled, and can effectively be controlled setting position and the setting depth of entire row dowel, be avoided single artificial place out
Existing deviation, it is ensured that the unification that dowel is arranged at construction joint, and entire row dowel is disposably placed, and installation effectiveness is high, greatly
The workload and work difficulty for reducing scene greatly, improve construction efficiency.
The present invention drives entire row to set ledges inclination, it is direct to set the dowel set up below ledges by stirring operation pull rod
It falls off, is placed in concrete from L shape hook, it is easy to operate efficient, it is time saving and energy saving.
Road construction is carried out to concrete road surface dowel mounting device of the invention and using it with reference to the accompanying drawing
Method is described further.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dowel mounting device in concrete road surface of the present invention；
Fig. 2 is the structural schematic diagram for setting ledges；
Fig. 3 is the detailed structure schematic diagram at fixed arm；
Fig. 4 is the detailed structure schematic diagram of driving assembly.
Appended drawing reference:
11-A font bracket；12- cross tube；13- sheer pole；2- is solid frame；3- handle；4- sets ledges；41- armstand；On 42-
Horizon bar；43-L shape hook；5- connecting rod；Horizon bar under 6-；7- connector；71- otic placode；The connection shaft of 72- first；81- operation
Pull rod；82- meeting stile；The connection shaft of 83- second；84- third rotating shaft rod；9- fixed arm；91- closing in portion.
Specific embodiment
As shown in Figures 1 to 4, dowel mounting device in concrete road surface of the present invention includes being crossed on along road width direction
Handle on road surface consolidates frame 2, positioned at the mounting solid 2 down either side of frame, positioned at the handle 3, Yi Jiyong solid 2 two sides of frame
Consolidate component in the handle for placing dowel.
Mounting props up respectively to be located in the foundation structure of road surface two sides, and each mounting includes two A font branch being oppositely arranged
The cross tube 12 and sheer pole 13 of two A font brackets 11 of frame 11 and horizontal connection, 12 both ends of cross tube respectively with two A
The top of font bracket 11 connects, and solid frame 2 is arranged perpendicular to cross tube 12, and both ends are fixed with cross tube 12 respectively.
It is horizontally disposed rectangular frame solid frame 2, the angle steel using side length not less than 30mm encloses, rectangle frame
Two short sides of frame are welded and fixed with the cross tube 12 of two sides mounting respectively；Two short sides of 3 fixing end of handle and rectangular frame are fixed
This mounting device is placed and is positioned in connection convenient for construction personnel.
Solid component include it is several set ledges 4 along the arrangement of rectangular frame length direction uniform intervals, horizontal series connection
Several connecting rods 5 for setting ledges 4, and the driving assembly positioned at 5 end of connecting rod；Setting ledges 4 includes being opposed by symmetrically arranged one
Door-shaped frame made of the upper horizon bar 42 of two armstand 41 of arm 41 and horizontal connection encloses, and connection door-shaped frame and solid frame
The lower horizon bar 6 of frame 2；Armstand 41 is located at the outside solid frame 2, and the steel plate strip of 6mm is not less than for thickness, and width is not less than
20mm, 41 top of armstand and one end of upper horizon bar 42 are hinged, and bottom end is provided with the opening direction of L shape hook 43, L shape hook 43
Horizontally toward driving assembly side is arranged, and level is erected with dowel on the two L shape hooks 43 being oppositely arranged；Lower 6 end of horizon bar
Portion is horizontal through fixed with armstand 41 after the long side of rectangular frame, lower horizon bar 6 and rectangular frame rotation connection, lower horizon bar 6
With at a distance from 41 bottom end of armstand be not less than 41 height of armstand 2/5；Connecting rod 5 is arranged perpendicular to upper horizon bar 42, passes through connector 7
It is rotatablely connected with upper horizon bar 42；Driving assembly include with operation pull rod 81 and attended operation pull rod 81 that solid frame 2 is hinged
With the meeting stile 82 of connecting rod 5,82 level of meeting stile is oppositely arranged, and one end passes through the second connection shaft 83 and 5 end of connecting rod
Rotation connection, the other end operate 81 bottom end of pull rod and handle by being rotatablely connected in the middle part of third rotating shaft rod 84 and operation pull rod 81
Gu the short side of frame 2 is hinged, top is provided with convenient for hand-held rubber sleeve.
Connector 7 include a pair of of the otic placode 71 being fixedly connected with upper horizon bar 42 and be arranged between two otic placodes 71 first
Shaft 72 is connected, the first connection shaft 72 is fixedly connected with the otic placode 71 of two sides respectively horizontal through both ends after connecting rod 5, connecting rod 5
Shaft 72 is connect with first to be rotatablely connected.
Fixed arm 9 is also symmetrically arranged under two long sides solid frame 2, fixed arm 9 is arranged in a one-to-one correspondence with ledges 4 is set,
Fixed arm 9 is the steel plate strip that thickness is not less than 6mm, the equivalent width of width and armstand 41, upper surface and solid 2 long side of frame
Lower surface is welded and fixed, and the lateral surface of fixed arm 9 and the outer side elevation of long side are located in same vertical plane, and with the inside of armstand 41
Face paste closes setting；The lower end edge of the fixed arm 9 and lower end edge of armstand 41 is concordant is arranged, and close to 43 opening one of L shape hook
Side is downwardly projected to form closing in portion 91, and closing in portion 91 and 9 lower end edge of fixed arm seamlessly transit, so that dowel is lain in a horizontal plane in
When on L shape hook 43, closing in portion 91 is matched with L shape hook 43, the opening of L shape hook 43 is reduced, so that dowel is in
When non-decentralization state, it will not fall off easily, and when armstand 41 tilts, L shape hook 43 is to far from the movement of 91 side of closing in portion, opening
Increase, dowel is smoothly transferred.
The method for carrying out road construction using dowel mounting device in concrete road surface of the present invention, comprising the following steps:
Step 1: cleaning construction road surface and determining width of roadway；Construction base is cleared up, smooth and compacting, is then measured
Positioning determines the width on construction road surface；
Step 2: being laid with bed course；Bed course, and smooth compacting are laid in base；
Step 3: being laid with lower-layer concrete；Layer concrete is set on bed course upper berth and is vibrated；
Step 4: being required according to detail design, accurately measured and positioned, determined the setting position of connecting sewing, then set
Set dowel；
Specific construction method is as follows:
4.1, it will be dialled on operation pull rod 81, armstand 41 is set perpendicular to ground；
4.2, dowel is cut to design length, lain in a horizontal plane on each L shape hook 43 for setting 4 lower section of ledges；
4.3, a liter dowel mounting device is hung, across road surface, two sides hold handle 3 by construction personnel, according to dowel design
Position is positioned and is aligned；
4.4, dowel mounting device is transferred, the height of mounting is adjusted, the mounting branch of two sides is located at the basis of construction road surface two sides
On, fall into 41 bottom of armstand and dowel in lower-layer concrete, it is ensured that hang down the upper surface of dowel and lower-layer concrete
Straight distance is not more than the 1/2 of 125mm or pavement concrete Laminate construction thickness；
4.5, operation pull rod 81 is pulled downward on, all ledges 4 of setting is driven to tilt, dowel is fallen from L shape hook 43, completes to set
It sets, then removes dowel mounting device；
Dowel is set using the present apparatus, it can be ensured that the interval of dowel is uniformly unified, and the depth is consistent, easy to operate, subtracts significantly
Lack the workload and work difficulty at scene, it is time saving and energy saving；
Step 5: setting reinforced mesh；It will be placed in lower-layer concrete after reinforced mesh horizontal alignment；
Step 6: being laid with upper layer concrete；It pours layer concrete and vibrates, then complete surface treatment；
Step 7: maintenance road surface to concrete reaches normal intensity, concrete pavement construction is completed.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (10)
1. concrete road surface dowel mounting device, it is characterised in that: including the handle being crossed on along road width direction on road surface
Gu frame (2) is located at and the mounting being located in the foundation structure of road surface two sides is propped up in solid frame (2) two sides respectively, it is located at solid frame
The handle (3) of frame (2) two sides, and handle for placing dowel consolidate component；
It is horizontally disposed rectangular frame solid frame (2)；
Solid component include it is several along rectangular frame length direction uniform intervals arrangement set ledges (4), if horizontal series connect
The dry connecting rod (5) for setting ledges (4), and it is located at the driving assembly that connecting rod (5) one end is used to pull connecting rod (5)；Set ledges (4) packet
Include door shape frame made of being enclosed as the upper horizon bar (42) of symmetrically arranged a pair of of armstand (41) and two armstand of horizontal connection (41)
Frame, and connection door-shaped frame and the lower horizon bar (6) solid frame (2)；The one of armstand (41) top and upper horizon bar (42)
End is hinged, and bottom end is provided with L shape hook (43), and L shape links up with the opening direction horizontally toward driving assembly side setting of (43)；Under
Horizon bar (6) end horizontal is fixed with armstand (41) after the long side of rectangular frame, and lower horizon bar (6) and rectangular frame rotate
Connection.
2. dowel mounting device in concrete road surface according to claim 1, it is characterised in that: the mounting includes two
The cross tube (12) and sheer pole of the two A font brackets (11) of A font bracket (11) and horizontal connection being oppositely arranged
(13), cross tube (12) both ends are connect with the top of two A font brackets (11) respectively.
3. dowel mounting device in concrete road surface according to claim 1, it is characterised in that: the handle consolidates frame (2)
Two long sides under be symmetrically arranged with fixed arm (9), the fixed arm (9) is arranged in a one-to-one correspondence with ledges (4) is set, the fixed arm
(9) upper surface is fixed with the lower surface of solid frame (2) long side, the lateral surface of the fixed arm (9) and the outer side elevation of long side
Setting is bonded in same vertical plane, and with the side of armstand (41).
4. dowel mounting device in concrete road surface according to claim 3, it is characterised in that: the fixed arm (9)
Lower end edge is concordant with the lower end edge of armstand (41) to be arranged, and to be formed along being downwardly projected close to L shape hook (43) opening side
Closing in portion (91), closing in portion (91) and fixed arm (9) lower end edge seamlessly transit.
5. dowel mounting device in concrete road surface according to claim 1, it is characterised in that: the connecting rod (5) is vertical
It is arranged in upper horizon bar (42), is rotatablely connected by connector (7) and upper horizon bar (42).
6. dowel mounting device in concrete road surface according to claim 5, it is characterised in that: connector (7) packet
First for including a pair of of the otic placode (71) being fixedly connected with upper horizon bar (42) and being arranged between two otic placodes (71) connect shaft
(72), horizontal through connecting rod (5), both ends are fixedly connected with the otic placode of two sides (71) respectively afterwards for the first connection shaft (72), connecting rod
(5) shaft (72) rotation connection is connect with first.
7. dowel mounting device in concrete road surface according to claim 1, it is characterised in that: the driving component includes
With the meeting stile (82) solid frame (2) hinged operation pull rod (81) and attended operation pull rod (81) and connecting rod (5), connection
Lath (82) level is oppositely arranged, and one end is rotatablely connected by the second connection shaft (83) and connecting rod (5) end, and the other end passes through
It is rotatablely connected in the middle part of third rotating shaft rod (84) and operation pull rod (81), operation pull rod (81) bottom end is short with solid frame (2)
Side is hinged.
8. dowel mounting device in concrete road surface according to claim 1, it is characterised in that: the lower horizon bar (6)
With at a distance from armstand (41) bottom end be not less than armstand (41) height 2/5.
9. the side that concrete road surface dowel mounting device described in application claim 1-8 any one carries out road construction
Method, it is characterised in that: the following steps are included:
Step 1: cleaning construction road surface and determining width of roadway；
Step 2: being laid with bed course；
Step 3: being laid with lower-layer concrete；
Step 4: being required according to detail design, determines the setting position of connecting sewing, then dowel is set；
Step 5: setting reinforced mesh；
Step 6: being laid with upper layer concrete, and complete to be surface-treated；
Step 7: maintenance road surface to concrete reaches normal intensity, concrete pavement construction is completed.
10. according to the method described in claim 9, it is characterized by: the construction method of dowel includes following step in step 4
It is rapid:
4.1, it will be dialled in operation pull rod (81), armstand (41) is set perpendicular to ground；
4.2, dowel is cut to design length, lain in a horizontal plane on each L shape hook (43) set below ledges (4)；
4.3, a liter dowel mounting device is hung, across road surface, two sides hold handle (3) by construction personnel, design according to dowel
Position positioned and be aligned；
4.4, dowel mounting device is transferred, the height of mounting is adjusted, the mounting branch of two sides is located at the basis of construction road surface two sides
On, fall into armstand (41) bottom and dowel in lower-layer concrete, it is ensured that the upper surface of dowel and lower-layer concrete
Vertical range is not more than 125mm；
4.5, operation pull rod (81) is pulled downward on, all set ledges (4) is driven to tilt, dowel is fallen from L shape hook (43),
Setting is completed, dowel mounting device is then removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476185.6A CN110205896A (en) | 2019-06-03 | 2019-06-03 | The method of its progress road construction of concrete road surface dowel mounting device and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476185.6A CN110205896A (en) | 2019-06-03 | 2019-06-03 | The method of its progress road construction of concrete road surface dowel mounting device and application |
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| CN110205896A true CN110205896A (en) | 2019-09-06 |
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| CN201910476185.6A Pending CN110205896A (en) | 2019-06-03 | 2019-06-03 | The method of its progress road construction of concrete road surface dowel mounting device and application |
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| CN103061505A (en) * | 2013-01-14 | 2013-04-24 | 河北省第四建筑工程公司 | Multifunctional split bolt and application thereof |
| CN103243848A (en) * | 2013-05-13 | 2013-08-14 | 王惠滨 | Construction technology for cast-in-place concrete floor slab or floor system and utilized elastic supporting members |
| CN203320968U (en) * | 2013-06-14 | 2013-12-04 | 北京城建二建设工程有限公司 | Rectangular hanging split heads support |
| CN203905308U (en) * | 2014-04-28 | 2014-10-29 | 中启胶建集团有限公司 | Recyclable bracket used for controlling thickness of reinforced concrete floor and position of negative bending moment rib |
| CN205000655U (en) * | 2015-09-07 | 2016-01-27 | 鞍钢房产建设有限公司 | But cyclic utilization's multi -functional split heads |
| CN107100308A (en) * | 2017-05-27 | 2017-08-29 | 中国建筑局（集团）有限公司 | A kind of concrete floor slab construction method with reusable stirrup muscle |
| CN207998766U (en) * | 2018-01-04 | 2018-10-23 | 中国一冶集团有限公司 | A kind of transmission rod locating support |
| CN109610739A (en) * | 2019-01-18 | 2019-04-12 | 中国建筑局（集团）有限公司 | A kind of novel stirrup of assembled having enough to meet the need and the flooring board construction method using the stirrup |
| CN210238194U (en) * | 2019-06-03 | 2020-04-03 | 中国建筑土木建设有限公司 | Concrete road surface connecting bar installation device |
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