CN106869497A - It is a kind of for funnel template and the shaping equipment and its construction method of reinforcing bar - Google Patents
It is a kind of for funnel template and the shaping equipment and its construction method of reinforcing bar Download PDFInfo
- Publication number
- CN106869497A CN106869497A CN201710085951.7A CN201710085951A CN106869497A CN 106869497 A CN106869497 A CN 106869497A CN 201710085951 A CN201710085951 A CN 201710085951A CN 106869497 A CN106869497 A CN 106869497A
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- China
- Prior art keywords
- nut
- screw mandrel
- funnel
- template
- cushion block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
- E04G17/0657—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts fully recoverable
Abstract
The invention discloses a kind of for funnel template and the shaping equipment and its construction method of reinforcing bar,For funnel template and the shaping equipment of reinforcing bar,Including screw mandrel,Spacer bar and nut,Screw mandrel two ends are provided with external screw thread,The spacer bar has two,Nut includes two groups of internal control nuts and external control nut,Spacer bar middle part is affixed with screw mandrel,It is parallel between spacer bar,Spacer bar is located at screw mandrel two ends external screw thread inner side,Internal control nut and external control nut are arranged on the external screw thread at screw mandrel two ends,The external screw thread that internal control nut and outer space nut are provided with screw mandrel two ends is adapted to,Screw mandrel two ends are additionally provided with cushion block,Cushion block middle part is provided with circular hole,Cushion block is located between internal control nut and external control nut,Internal control nut is located inside cushion block,External control nut is located at outside cushion block,Funnel template and funnel reinforcing bar measure materials save 30%,Funnel template radian Forming Quality is preferable,Internal control nut is increased before model sheetinstallat,Ensure that model sheetinstallat position,Also improve operating efficiency simultaneously.
Description
Technical field
The present invention relates to construction engineering technical field, specially a kind of shaping equipment for funnel template and reinforcing bar and its
Construction method.
Background technology
At present, during funnel template construction in the field of business, the general method for using is that funnel template directly adds Screw arbor with nut at both-ends and enters
Row is reinforced, and the construction of funnel levels is supported using split heads reinforcing bar.Using the method, clear spacing between reinforcing bar is only can guarantee that,
And substantial amounts of Screw arbor with nut at both-ends is caused with the waste of split heads reinforcing bar.Meanwhile, relative to this construction method, concrete formation outward appearance matter
Measure poor (being mainly reflected in formwork edge joint radian poor).
The content of the invention
The technical problem to be solved in the present invention is to overcome existing defect, there is provided a kind of determining for funnel template and reinforcing bar
Type device, prior art causes substantial amounts of Screw arbor with nut at both-ends with the waste of split heads reinforcing bar, coagulation in can effectively solving background technology
The problem of earth forming presentation quality difference.With split heads reinforced bar support be optimized funnel counter screw shuttering by the present apparatus, closes two
It is one, and thin portion optimization has been carried out to it.Be additionally arranged inside the template of Screw arbor with nut at both-ends respectively spacer bar, internal control nut and
External control nut, makes funnel camber line Template Location more accurate, it is ensured that the deformation of funnel upper former is minimum, it is ensured that concrete formation
Presentation quality afterwards.
Facts have proved that the present invention is saving funnel formwork reinforcement measure materials and reducing steel bar horse-shaped bench reinforcing bar measure materials
Meanwhile, substantially increase funnel Template Location precision and operating efficiency.Funnel mould is used for using one kind proposed by the invention
The shaping equipment and its construction method of plate and reinforcing bar, funnel template and funnel reinforcing bar measure materials save 30%, funnel template arc
Degree Forming Quality is preferable, due to increased internal control nut before model sheetinstallat, it is ensured that model sheetinstallat position, while also improving work
Industry efficiency.
To achieve the above object, the present invention provides following technical scheme：A kind of sizing dress for funnel template and reinforcing bar
Put, including screw mandrel, spacer bar and nut, it is characterised in that：The screw mandrel two ends are provided with external screw thread, and the spacer bar has two
Root, the nut includes two groups of internal control nuts and external control nut, and two spacer bars middle part is affixed with screw mandrel respectively, described
It is parallel to each other between two spacer bars, two spacer bars are located at the external screw thread inner side that screw mandrel two ends are provided with, institute respectively
State internal control nut and external control nut is arranged on the external screw thread at screw mandrel two ends, the internal control nut and outer space nut and screw mandrel two ends
The external screw thread adaptation being provided with, the screw mandrel two ends are additionally provided with cushion block, and the cushion block is 1:2 cement mortar bedding blocks, in the cushion block
Between position be provided with the circular hole of Φ 50, the cushion block is located between internal control nut and external control nut, and the internal control nut is located at cushion block
Inside, the external control nut is located at outside cushion block.
Used as a preferred technical solution of the present invention, the external screw thread position at the screw mandrel two ends is additionally provided with flitch back cord,
Bi-steel back cord, mountain type card, fastening nut and non-return nut, the flitch back cord are located at template outside, the bi-steel back cord
Positioned at flitch back cord outside, the mountain type is positioned in bi-steel back cord outside, and the fastening nut is located at mountain type card outside, described
Non-return nut is located at fastening nut outside.
As a preferred technical solution of the present invention, it is provided between the spacer bar and cushion block by longitudinal reinforcement and horizontal stroke
To the two-way concrete slab mesh sheet structure that reinforcing bar is constituted, the two-way concrete slab mesh sheet structure is funnel double-layer double-direction reinforced mesh.
Used as a preferred technical solution of the present invention, the screw mandrel, spacer bar and bi-steel back cord are by HEB400
The reinforcement fabrication of Φ 25 is formed, and screw mandrel two ends external thread length is 300mm.
It is a kind of for funnel template and the construction method of the shaping equipment of reinforcing bar, comprise the following steps：
A. screw mandrel length is determined, screw mandrel length is that funnel wall thickness adds two ends external thread length, and funnel wall thickness is bilayer
The default thickness of two-way concrete slab mesh sheet；
B. screw mandrel is made, screw mandrel two ends carry out external thread threading；
C. cushion block, selection 1 are processed:2 cement mortar bedding blocks, the circular hole of Φ 50 is set in the cushion block middle part；
D. spacer bar is welded according to funnel layer protective layer thickness and bar gauge size, by spacer bar welding outside
Screw thread inner side, and internal control bolt is screwed into by proposed locations according to funnel wall thickness；
E. double-layer double-direction reinforced mesh includes the two-way concrete slab mesh sheet of bottom and the two-way concrete slab mesh sheet on upper strata, first colligation
Longitudinal reinforcement and transverse steel constitute the two-way concrete slab mesh sheet of the bottom in double-layer double-direction reinforced mesh；
F., the template of funnel layer bottom is first placed in the two-way concrete slab mesh sheet lower section of bottom, template is passed through by screw mandrel, matched somebody with somebody
Close cushion block and external control nut fixation；
G. colligation longitudinal reinforcement and transverse steel constitute the two-way concrete slab mesh sheet on the upper strata in double-layer double-direction reinforced mesh；
H. after the completion of the colligations of double-layer double-direction reinforced mesh whole, the template on funnel top is installed, using external control nut by mould
Plate fastening is completed.
As a preferred technical solution of the present invention：After completing above-mentioned steps f and h step, respectively in the template of bottom
The template outside on outside and top is sequentially placed vertical flitch back cord, bi-steel back cord and mountain type card, coordinates tight using mountain type card
Gu nut is firm by the fastening of reinforcing bar back cord, non-return nut is fastened, that is, complete the sizing of this template and reinforcing bar.
Compared with prior art, the beneficial effects of the invention are as follows：Substantial amounts of Screw arbor with nut at both-ends is reduced to be wasted with split heads reinforcing bar.
Using this construction method, funnel template Forming Quality, form joint quality and radian Forming Quality are remarkably improved, and save mould
Measure materials in plate, reinforcing bar type-approval process, improve personnel's operating efficiency concrete formation presentation quality more preferable.
Brief description of the drawings
Fig. 1 is a kind of for funnel template and the structural representation of the shaping equipment of reinforcing bar
Fig. 2 is a kind of fundamental diagram for the shaping equipment of funnel template and reinforcing bar in hopper walls.
Fig. 3 is knot when a kind of shaping equipment for funnel template and reinforcing bar is used instead of Screw arbor with nut at both-ends and split heads reinforcing bar
Structure schematic diagram
In figure：1st, screw mandrel, 11, external screw thread, 21, internal control nut, 22, external control nut, 23, fastening nut, 24, non-return spiral shell
Cap, 3, spacer bar, 4, cushion block, 5, template, 6, longitudinal reinforcement, 7, transverse steel, 8, bi-steel back cord, 9, mountain type card, 10, wood
Square back cord
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
Fig. 1~2 are referred to, the present invention provides a kind of technical scheme：It is a kind of for funnel template and the shaping equipment of reinforcing bar,
Including screw mandrel 1, spacer bar 3 and nut, the two ends of the screw mandrel 1 are provided with external screw thread 11, and the spacer bar 3 has two, described
Nut includes two groups of internal control nuts 21 and external control nut 22, and the middle part of two spacer bars 3 is affixed with screw mandrel 1 respectively, described
It is parallel to each other between two spacer bars 3, two spacer bars 3 are located in the external screw thread 11 that the two ends of screw mandrel 1 are provided with respectively
Side, the internal control nut 21 and external control nut 22 are arranged on the external screw thread 11 at the two ends of screw mandrel 1, the internal control nut 21 and outer space
The external screw thread 11 that nut is provided with the two ends of screw mandrel 1 is adapted to, and the two ends of the screw mandrel 1 are additionally provided with cushion block 4, and the cushion block 4 is 1:2 cement
Mortar pad, the middle part of the cushion block 4 is provided with the circular hole of Φ 50, and the cushion block 4 is located at internal control nut 21 and external control nut 22
Between, the internal control nut 21 is located inside cushion block 4, and the external control nut 22 is located at outside cushion block 4；The He of the spacer bar 3
The two-way concrete slab mesh sheet structure being made up of longitudinal reinforcement 6 and transverse steel 7, the two-way concrete slab mesh sheet knot are provided between cushion block 4
Structure is funnel double-layer double-direction reinforced mesh.Wherein, screw mandrel 1, spacer bar 3 and bi-steel back cord 8 by HEB400 Φ 25 steel
Muscle is made, and the length of 1 two ends external screw thread of the screw mandrel 11 is 300mm.
It is a kind of for funnel template and the construction method of the shaping equipment of reinforcing bar, comprise the following steps：
A. the length of screw mandrel 1 is determined, the length of screw mandrel 1 is that funnel wall thickness adds the length of two ends external screw thread 11, and funnel wall thickness is
The default thickness of double-layer double-direction reinforced mesh；
B. screw mandrel 1 is made, the two ends of screw mandrel 1 carry out the mantle fiber of external screw thread 11；
C. cushion block 4, selection 1 are processed:2 cement mortar bedding blocks, the circular hole of Φ 50 is set in the middle part of the cushion block 4；
D. spacer bar 3 is welded according to funnel layer protective layer thickness and bar gauge size, spacer bar 3 is welded on
The inner side of external screw thread 11, and internal control bolt is screwed into by proposed locations according to funnel wall thickness；
E. double-layer double-direction reinforced mesh includes the two-way concrete slab mesh sheet of bottom and the two-way concrete slab mesh sheet on upper strata, first colligation
Longitudinal reinforcement 6 and transverse steel 7 constitute the two-way concrete slab mesh sheet of the bottom in double-layer double-direction reinforced mesh；
F., the template 5 of funnel layer bottom is first placed in the two-way concrete slab mesh sheet lower section of bottom, template 5 is passed through by screw mandrel 1,
Coordinate cushion block 4 and the fixation of external control nut 22；
G. colligation longitudinal reinforcement 6 and transverse steel 7 constitute the two-way concrete slab mesh sheet on the upper strata in double-layer double-direction reinforced mesh；
H. after the completion of the colligation of double-layer double-direction reinforced mesh whole, the template 5 on funnel top is installed, will using external control nut 22
The fastening of template 5 is completed.
Embodiment 2
Fig. 1~3 are referred to, the present invention provides a kind of technical scheme：It is a kind of for funnel template and the shaping equipment of reinforcing bar,
Including screw mandrel 1, spacer bar 3 and nut, the two ends of the screw mandrel 1 are provided with external screw thread 11, and the spacer bar 3 has two, described
Nut includes two groups of internal control nuts 21 and external control nut 22, and the middle part of two spacer bars 3 is affixed with screw mandrel 1 respectively, described
It is parallel to each other between two spacer bars 3, two spacer bars 3 are located in the external screw thread 11 that the two ends of screw mandrel 1 are provided with respectively
Side, the internal control nut 21 and external control nut 22 are arranged on the external screw thread 11 at the two ends of screw mandrel 1, the internal control nut 21 and outer space
The external screw thread 11 that nut is provided with the two ends of screw mandrel 1 is adapted to, and the two ends of the screw mandrel 1 are additionally provided with cushion block 4, and the cushion block 4 is 1:2 cement
Mortar pad, the middle part of the cushion block 4 is provided with the circular hole of Φ 50, and the cushion block 4 is located at internal control nut 21 and external control nut 22
Between, the internal control nut 21 is located inside cushion block 4, and the external control nut 22 is located at outside cushion block 4.The two ends of the screw mandrel 1
The position of external screw thread 11 is additionally provided with flitch back cord 10, and bi-steel back cord 8, mountain type card 9, fastening nut 23 and non-return nut 24 are described
Flitch back cord 10 is located at the outside of template 5, and the bi-steel back cord 8 is located at the outside of flitch back cord 10, and the mountain type card 9 is located at double steel
The outside of muscle back cord 8, the fastening nut 23 is located at the outside of mountain type card 9, and the non-return nut 24 is located at the outside of fastening nut 23.Institute
The two-way concrete slab mesh sheet structure for being provided between spacer bar 3 and cushion block 4 and being made up of longitudinal reinforcement 6 and transverse steel 7 is stated, it is described double
It is funnel double-layer double-direction reinforced mesh to reinforced mesh structure.Wherein, screw mandrel 1, spacer bar 3 and bi-steel back cord 8 by
The reinforcement fabrication of HEB400 Φ 25 is formed, and the length of 1 two ends external screw thread of the screw mandrel 11 is 300mm.
It is a kind of for funnel template and the construction method of the shaping equipment of reinforcing bar, comprise the following steps：
A. the length of screw mandrel 1 is determined, the length of screw mandrel 1 is that funnel wall thickness adds the length of two ends external screw thread 11, and funnel wall thickness is
The default thickness of double-layer double-direction reinforced mesh；
B. screw mandrel 1 is made, the two ends of screw mandrel 1 carry out the mantle fiber of external screw thread 11；
C. cushion block 4, selection 1 are processed:2 cement mortar bedding blocks, the circular hole of Φ 50 is set in the middle part of the cushion block 4；
D. spacer bar 3 is welded according to funnel layer protective layer thickness and bar gauge size, spacer bar 3 is welded on
The inner side of external screw thread 11, and internal control bolt is screwed into by proposed locations according to funnel wall thickness；
E. double-layer double-direction reinforced mesh includes the two-way concrete slab mesh sheet of bottom and the two-way concrete slab mesh sheet on upper strata, first colligation
Longitudinal reinforcement 6 and transverse steel 7 constitute the two-way concrete slab mesh sheet of the bottom in double-layer double-direction reinforced mesh；
F., the template 5 of funnel layer bottom is first placed in the two-way concrete slab mesh sheet lower section of bottom, template 5 is passed through by screw mandrel 1,
Coordinate cushion block 4 and the fixation of external control nut 22；Vertical flitch back cord 10, bi-steel is sequentially placed in the outside of template 5 of bottom
Back cord 8 and mountain type card 9, coordinate fastening nut 23 to fasten firmly reinforcing bar back cord 3 using mountain type card 9, and non-return nut 24 is fastened
It is good；
G. colligation longitudinal reinforcement 6 and transverse steel 7 constitute the two-way concrete slab mesh sheet on the upper strata in double-layer double-direction reinforced mesh；
The outside of template 5 on top is sequentially placed vertical flitch back cord 10, bi-steel back cord 8 and mountain type card 9, coordinates tight using mountain type card 9
Gu nut 23 fastens firmly reinforcing bar back cord 3, non-return nut 24 is fastened；
H. after the completion of the colligation of double-layer double-direction reinforced mesh whole, the template 5 on funnel top is installed, will using external control nut 22
The fastening of template 5 is completed.
The beneficial effects of the invention are as follows：Used saving funnel formwork reinforcement measure materials and reducing the measure of steel bar horse-shaped bench reinforcing bar
While material, funnel Template Location precision and operating efficiency are substantially increased.It is used to leak using one kind proposed by the invention
The shaping equipment and its construction method of bucket template and reinforcing bar, funnel template and funnel reinforcing bar measure materials save 30%, funnel mould
Plate radian Forming Quality is preferable, due to increased internal control nut before model sheetinstallat, it is ensured that model sheetinstallat position, while also improving
Operating efficiency.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. a kind of for funnel template and the shaping equipment of reinforcing bar, including screw mandrel (1), spacer bar (3) and nut, its feature exists
In：Screw mandrel (1) two ends are provided with external screw thread (11), and the spacer bar (3) has two, and the nut includes two groups of internal control spiral shells
Cap (21) and external control nut (22), affixed with screw mandrel (1) respectively, two supporting steels in two spacer bars (3) middle part
Muscle is parallel to each other between (3), and two spacer bars (3) are located at external screw thread (11) inner side that screw mandrel (1) two ends are provided with respectively,
The internal control nut (21) and external control nut (22) are arranged on the external screw thread (11) at screw mandrel (1) two ends, the internal control nut
(21) it is adapted to the external screw thread (11) that is provided with screw mandrel (1) two ends of outer space nut, screw mandrel (1) two ends are additionally provided with cushion block (4),
The cushion block (4) is 1:2 cement mortar bedding blocks, cushion block (4) middle part is provided with the circular hole of Φ 50, cushion block (4) position
Between internal control nut (21) and external control nut (22), the internal control nut (21) is internal positioned at cushion block (4), the external control nut
(22) it is outside positioned at cushion block (4).
2. according to claim 1 a kind of for funnel template and the shaping equipment of reinforcing bar, it is characterised in that：The screw mandrel
(1) external screw thread (11) position at two ends is additionally provided with flitch back cord (10), bi-steel back cord (8), mountain type card (9), fastening nut
(23) and non-return nut (24), the flitch back cord (10) positioned at template (5) outside, the bi-steel back cord (8) is positioned at flitch
Back cord (10) outside, positioned at bi-steel back cord (8) outside, the fastening nut (23) is positioned at mountain type card (9) for the mountain type card (9)
Outside, the non-return nut (24) is positioned at fastening nut (23) outside.
3. according to claim 1 and 2 a kind of for funnel template and the shaping equipment of reinforcing bar, it is characterised in that：It is described
The two-way concrete slab mesh sheet structure being made up of longitudinal reinforcement (6) and transverse steel (7) is provided between spacer bar (3) and cushion block (4),
The two-way concrete slab mesh sheet structure is funnel double-layer double-direction reinforced mesh.
4. according to claim 3 a kind of for funnel template and the shaping equipment of reinforcing bar, it is characterised in that：The screw mandrel
(1), spacer bar (3) and bi-steel back cord (8) are formed by the reinforcement fabrication of HEB400 Φ 25, outside screw mandrel (1) two ends
Screw thread (11) length is 300mm.
5. according to claim 1 a kind of for funnel template and the construction method of the shaping equipment of reinforcing bar, its feature exists
In comprising the following steps：
A. screw mandrel (1) length is determined, screw mandrel (1) length is that funnel wall thickness adds two ends external screw thread (11) length, funnel wall thickness
That is the default thickness of double-layer double-direction reinforced mesh；
B. screw mandrel (1) is made, screw mandrel (1) two ends carry out external screw thread (11) mantle fiber；
C. processing cushion block (4), selection 1:2 cement mortar bedding blocks, the circular hole of Φ 50 is set in the cushion block (4) middle part；
D. spacer bar (3) is welded according to funnel layer protective layer thickness and bar gauge size, spacer bar (3) is welded on
External screw thread (11) inner side, and internal control bolt is screwed into by proposed locations according to funnel wall thickness；
E. double-layer double-direction reinforced mesh includes the two-way concrete slab mesh sheet of bottom and the two-way concrete slab mesh sheet on upper strata, first colligation longitudinal direction
Reinforcing bar (6) and transverse steel (7) constitute the two-way concrete slab mesh sheet of the bottom in double-layer double-direction reinforced mesh；
F., the template (5) of funnel layer bottom is first placed in the two-way concrete slab mesh sheet lower section of bottom, by screw mandrel (1) through template
(5) cushion block (4) and external control nut (22) fixation, is coordinated；
G. colligation longitudinal reinforcement (6) and transverse steel (7) constitute the two-way concrete slab mesh sheet on the upper strata in double-layer double-direction reinforced mesh；
H. after the completion of the colligation of double-layer double-direction reinforced mesh whole, the template (5) on funnel top is installed, will using external control nut (22)
Template (5) fastening is completed.
6. a kind of for funnel template and the construction method of the shaping equipment of reinforcing bar according to claim 5, it is characterised in that：
After completing above-mentioned steps f and h step, it is sequentially placed in template (5) outside of bottom and template (5) outside on top respectively vertical
Flitch back cord (10), bi-steel back cord (8) and mountain type card (9), fastening nut (23) is coordinated by reinforcing bar back cord using mountain type card (9)
(3) fasten firmly, non-return nut (24) is fastened, that is, complete the sizing of this template (5) and reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085951.7A CN106869497A (en) | 2017-02-17 | 2017-02-17 | It is a kind of for funnel template and the shaping equipment and its construction method of reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085951.7A CN106869497A (en) | 2017-02-17 | 2017-02-17 | It is a kind of for funnel template and the shaping equipment and its construction method of reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106869497A true CN106869497A (en) | 2017-06-20 |
Family
ID=59166362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085951.7A Pending CN106869497A (en) | 2017-02-17 | 2017-02-17 | It is a kind of for funnel template and the shaping equipment and its construction method of reinforcing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106869497A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107387127A (en) * | 2017-09-13 | 2017-11-24 | 中交公局桥隧工程有限公司 | A kind of tunnel inverted arch reserves ring muscle positioning fixture and application method |
| CN107989269A (en) * | 2017-12-21 | 2018-05-04 | 云南省建设投资控股集团有限公司 | A kind of reinforced concrete protective layer locator |
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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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387127A (en) * | 2017-09-13 | 2017-11-24 | 中交公局桥隧工程有限公司 | A kind of tunnel inverted arch reserves ring muscle positioning fixture and application method |
| CN107989269A (en) * | 2017-12-21 | 2018-05-04 | 云南省建设投资控股集团有限公司 | A kind of reinforced concrete protective layer locator |
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Application publication date: 20170620 |