CN109372311A - Steel strand bundle integral perforation channel construction frame device for tower and installation method thereof - Google Patents
Steel strand bundle integral perforation channel construction frame device for tower and installation method thereof Download PDFInfo
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- CN109372311A CN109372311A CN201811058699.1A CN201811058699A CN109372311A CN 109372311 A CN109372311 A CN 109372311A CN 201811058699 A CN201811058699 A CN 201811058699A CN 109372311 A CN109372311 A CN 109372311A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 238000010276 construction Methods 0.000 title claims abstract description 73
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 230000027455 binding Effects 0.000 claims abstract description 7
- 238000009739 binding Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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- 239000002689 soil Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a construction frame body device of an integral perforation channel of a steel strand bundle for a tower frame and an installation method thereof, wherein the device comprises a construction frame body with a frame structure, the lower end of the construction frame body is connected with a connecting steel plate, the lower end of the connecting steel plate is fixed on the top surface of a concrete tower cylinder, at least two first pulleys are uniformly distributed on the top surface of the concrete tower cylinder, at least two second pulleys are uniformly distributed in the middle above the first pulleys, the whole steel strand bundle is bundled into at least two steel wire binding bundles on the ground, a conical guide head is installed at the end part of the steel wire binding bundle, the steel wire binding bundle sequentially bypasses the first pulley and the second pulley, and the top of the steel wire binding bundle passes through the prestress perforation channel after passing through the construction frame body; all be provided with on first pulley and the second pulley and prevent the sideslip piece, it can solve among the prior art and penetrate the problem of prestressing force pore canal with the steel strand wires in order to guarantee prestressing force special construction quality fast.
Description
Technical field
The present invention relates to tower technique fields, and in particular to a kind of pylon steel wire bundle entirety punch track construction frame body dress
It sets and its installation method.
Background technique
Currently, in low wind speed band regional development wind-powered electricity generation, have become the main direction of development of China's wind-power electricity generation, but
The problem that low wind speed band develops wind-powered electricity generation maximum is exactly: the requirement for height for the pylon that generates electricity in wind power generating set is relatively high, tradition
Steel tower structural system is no longer satisfied the requirement of superelevation wind power tower, and mixing column frame structural body system comes into being at this time,
In mixing column frame system, upper part is steel construction part, and lower part is concrete parts, and concrete parts are divided into several sections, segment
Between by un-bonded prestressed steel strand tensioning connect it is integral；Prestressing without bondn scheme is main in the application of concrete segment
For whole beam punch track tensioning, but since concrete tower segment is whole higher, operating platform is narrow, and duct degree more than needed is small, using single beam
Perforation easily causes prestress wire stuck phenomenon in duct, therefore uses prestress wire ground entirety bunchy, from top to bottom
Whole steel wire bundle punch track mode is constructed, and when being constructed using this mode, the turning radius of steel strand wires is larger, is needed thus
It solves the problems, such as that steel strand wires are rapidly penetrated prestressed pore passage to guarantee prestressing force special project construction quality.
Summary of the invention
The purpose of the present invention is to provide pylons to be constructed frame device and its installation method with steel wire bundle entirety punch track,
To solve the problems, such as that steel strand wires are rapidly penetrated prestressed pore passage to guarantee prestressing force special project construction quality in the prior art.
To achieve the above object, one aspect of the present invention provides pylon steel wire bundle entirety punch track construction frame device,
The pylon steel wire bundle entirety punch track construction frame device includes the construction frame body of frame structure, the lower end for frame body of constructing
It is connected with junction steel plate, the lower end of junction steel plate is fixed on the top surface of concrete tower, on the top surface of concrete tower uniformly
At least two first pulleys are provided with to distribution, the middle above first pulley is evenly distributedly provided at least two second
Pulley, two first pulleys are identical with the quantity of second pulley, and each first pulley is matched with a second pulley respectively
At pulley blocks；Whole beam steel wire bundle on ground by beam at least two bundle ligatures, the end of bundle ligature is equipped with cone
Shape guide head, bundle ligature successively bypasses first pulley and second pulley, and passes through scaffold at the top of bundle ligature
Prestressed pore passage is passed through after body；Anti- lateral landing part is provided in first pulley and second pulley.
Optionally, operating platform is provided in concrete tower.
Optionally, the quantity of first pulley and second pulley is four, and each first pulley respectively corresponds it respectively
Region steel wire bundle perforation.
Optionally, junction steel plate includes lateral steel pipe and longitudinal two sides steel plate, the both ends of steel pipe respectively with two sides steel
The upper end of plate connects.
Optionally, steel pipe is located on the top surface of concrete tower, and contacts with the top surface of concrete tower；Two sides steel plate is stretched
Enter into the concrete tower side wall below the top surface of concrete tower.
Optionally, prevent that the lateral part that slides is set as the plate-like piece contacted with whole beam steel wire bundle.
Optionally, prevent that the radial section of the lateral plate face for sliding part and first pulley is located in the same plane, the diameter
The center of circle to section Jing Guo first pulley.
Another aspect of the present invention provides the pylon as described in one aspect of the invention and is constructed with steel wire bundle entirety punch track
The installation method of frame device, the installation method the following steps are included:
Construction frame body is passed through welding structure with junction steel plate on the ground to connect, by the lower end of junction steel plate and concrete
The top surface of tower connects；
Whole beam steel wire bundle is bundled at least two beam bundle ligatures on ground, cone is installed into the end of bundle ligature
Whole beam steel wire bundle is successively bypassed first pulley and second pulley, the top that bundle ligature is passed through top by shape guide head
Hoist engine is sling from ground, so that the top of bundle ligature is by passing through prestressed pore passage after construction frame body；By first pulley
Lateral landing part is prevented with being respectively provided in second pulley.
Optionally, the quantity of first pulley and second pulley is disposed as four, four first pulleys include No.1
One pulley, No. two first pulleys, No. three first pulleys and No. four first pulleys；No.1 first pulley corresponds to the steel wire in No.1 region
Bindings perforation, the bundle ligature perforation in corresponding No. two regions of No. two first pulleys, corresponding No. three regions of No. three first pulleys
The perforation of bundle ligature, the bundle ligature perforation in corresponding No. four regions of No. four first pulleys.
The present invention has the advantage that
Pylon of the invention steel wire bundle entirety punch track construction frame device and its installation method, are able to solve existing
The problem of steel strand wires are rapidly penetrated prestressed pore passage to guarantee prestressing force special project construction quality in technology, is particularly suitable for
The steel wire bundle entirety punch track of superelevation pylon is constructed, and is specifically had the advantage that
(1) for mixing pylon installation cost, lifting expense accounts for the significant portion of construction cost；Through the invention
Pylon steel wire bundle entirety punch track construction frame device and its installation method operation lifting, then open in the construction of prestressing force special project
When the beginning, the bundle ligature of hoist engine is put down from operating platform, which can carry out construction, is incited somebody to action；To save mechanical stage student contributions pooled to pay for class activities
With.
(2) in construction, pylon steel wire bundle entirety punch track construction frame device and its installation through the invention
Whole beam steel wire bundle can be formed directly into duct by method, to greatly improve construction efficiency, save the construction period.
(3) in construction, due to being that whole beam steel wire bundle construction penetrates, card when avoiding due to individual steel strand perforation
Dead phenomenon reduces the useless construction time, has saved the construction period.
(4) since the operating platform of the prior art is larger, construction worker's operating risk is larger, slings steel strand wires using tower crane
It is very high to precise requirements when perforation, cause the tower crane of the prior art to be unable to reach required precision, tower through the invention
Frame is decontroled in rolls with steel wire bundle entirety punch track construction frame device and its installation method, including prestress wire, is answered in advance
The biggish work of risk such as the cutting of power steel strand wires specific length, bunchy are all completed on ground, and worker is only right on upper brace
Whole beam steel wire bundle carries out lashing and tensioning work, to reduce surrounding risk factor, reduces danger coefficient, reduces construction accident
Rate improves working security.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pylon steel wire bundle entirety punch track construction frame device of the invention.
Fig. 2 respectively corresponds it with the first pulley of steel wire bundle entirety punch track construction frame device for pylon of the invention
The structural schematic diagram of the steel wire bundle perforation in respective region.
Fig. 3 is the main view of the junction steel plate of pylon steel wire bundle entirety punch track construction frame device of the invention.
Fig. 4 is the top view of the junction steel plate of pylon steel wire bundle entirety punch track construction frame device of the invention.
In figure, 1 is construction frame body, and 2 be junction steel plate, and 201 be steel pipe, and 202 be two sides steel plate, and 301 be first pulley,
3011 be No.1 first pulley, and 3012 be No. two first pulleys, and 3013 be No. three first pulleys, and 3014 be No. four first pulleys,
302 be second pulley, and 4 be operating platform, and 5 be prestressed pore passage, and 6 be concrete tower, and 7 be taper guide head, and 8 be whole Shu Gang
Strand bundle, 9 be bundle ligature, and 10 be anti-lateral landing part, and 1101 be No.1 region, and 1102 be No. two regions, and 1103 be three
Number region, 1104 be No. four regions.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
Pylon steel wire bundle entirety punch track construction frame device, referring to Fig. 1, the pylon is integrally worn with steel wire bundle
Duct construction frame device includes the construction frame body 1 of frame structure, and the lower end of construction frame body 1 is connected with junction steel plate 2, connects steel
The lower end of plate 2 is fixed on the top surface of concrete tower 6, and at least two are evenly distributedly provided on the top surface of concrete tower 6
A first pulley 301, the middle of the top of first pulley 301 are evenly distributedly provided at least two second pulleys 302, and two
First pulley 301 is identical with the quantity of second pulley 302, and each first pulley 301 respectively with one second pulley 302
It is made into pulley blocks；Whole beam steel wire bundle 8 is on ground by beam at least two bundle ligatures 9, the end installation of bundle ligature 9
There is taper guide head 7, bundle ligature 9 successively bypasses first pulley 301 and second pulley 302, and the top of bundle ligature 9
Portion is by passing through prestressed pore passage 5 after construction frame body 1；Anti- lateral landing is provided in first pulley 301 and second pulley 302
Part 10.
The pylon of the present embodiment steel wire bundle entirety punch track construction frame device, construction frame body 1 can be set to down
The frame structure of trapezoidal cylinder, construction frame body 1 can be set to the frame structure for the cylinder of falling isosceles trapezoid.Frame body 1 of constructing can be gold
Belong to frame body, construction frame body 1 can be connected with junction steel plate 2 by welding structure.First pulley 301 may be mounted at construction frame body
The upper end of the frame structure of 1 cylinder of falling isosceles trapezoid.The upper surface of the frame structure for the cylinder of falling isosceles trapezoid of construction frame body 1 can connect
It is connected to trapezoidal cylinder frame structure, the trapezoidal cylinder frame structure can be isosceles trapezoid cylinder frame structure.Second pulley 302 can be with
The upper end of the isosceles trapezoid cylinder frame structure is set.The frame structure of the cylinder of falling isosceles trapezoid of construction frame body 1 and the ladder
Shape cylinder frame structure can be connected by welding structure.Construction frame body 1 is connected by welding structure with junction steel plate 2 on the ground
It connects, then the connection structure of construct frame body 1 and junction steel plate 2 is fixed on to the top surface of concrete tower 6, wherein construction frame body 1
It can be realized itself stability under loading at work with junction steel plate 2, and prestressed pore passage must not be influenced when placing and constructing frame body 1
5 wear muscle.Whole beam steel wire bundle 8 is bundled at least two bundle ligatures 9 on ground, the end of bundle ligature 9 is equipped with
Then the taper guide head 7 of bullet-shaped is sling bundle ligature 9 from the hoist engine at the top of ground, whole beam steel wire bundle 8
Change angle direction after top is by construction frame body 1 by first pulley 301 and second pulley 302, then correspondence penetrates pre-
Anti- lateral landing part 10 is provided in stress duct 5, first pulley 301 and second pulley 302, to subsequent progress tensioning work
Make, wherein first pulley 301 and second pulley 302 can be the universal wheel with direction locking assembly, allow in circumferential direction
Upper change direction simultaneously locks, it can changes the direction of the wheel body plane of first pulley 301 and second pulley 302, the direction
Locking assembly can make for locking screw holes and the clamping screw being arranged in locking screw holes that is, by tightening the clamping screw
It obtains the clamping screw and holds out against construction frame body 1, to realize the fixation of first pulley 301 and second pulley 302.It can be upper a branch of
The tail portion of bundle ligature 9 is connect with the end of rear a branch of steel wire bundle beam 9 by connection component, is then carried out by hoist engine
It works continuously, repeats the lifting time up and down to reduce hoist engine；The connection component can be tired jag.301 He of first pulley
Anti- lateral landing part 10 is provided in second pulley 302, to guarantee the pylon steel wire bundle entirety punch track of the present embodiment
Frame device construct in the process of running, avoids the landing of bundle ligature 9, prevents risk, improves working security.Its
In, when the number of first pulley 301 and second pulley 302 can be according to construction, radical, steel strand wires that whole beam steel wire bundle 8 includes
The factors flexible arrangement such as rigidity, the size of prestressed pore passage 5.
Preferably, operating platform 4 is provided in concrete tower 6.In this way, including that prestress wire is decontroled in rolls, in advance
The biggish work of risk such as the cutting of prestress steel strand specific length, bunchy are all completed on ground, the worker on upper brace
Lashing and tensioning work are carried out to whole beam steel wire bundle, to reduce surrounding risk factor, reduce danger coefficient, reduces construction thing
Therefore rate, improve working security.
Preferably, referring to fig. 2, the quantity of first pulley 301 and second pulley 302 is four, and each first pulley
301 respectively correspond the steel wire bundle perforation in its respective region.That is the quantity of first pulley 301 and second pulley 302 is respectively provided with
It is four, four first pulleys 301 include the first pulley 3012, three of No.1 first pulley 3011, two first pulley 3013
With No. four first pulleys 3014；The bundle ligature 9 in the corresponding No.1 region 1101 of No.1 first pulley 3011 is perforated, and No. two first
The bundle ligature 9 in corresponding No. two regions 1102 of pulley 3012 is perforated, corresponding No. three regions 1103 of No. three first pulleys 3013
Bundle ligature 9 is perforated, and the bundle ligature 9 in corresponding No. four regions 1104 of No. four first pulleys 3014 is perforated.
Preferably, referring to Fig. 3 and Fig. 4, junction steel plate 2 includes lateral steel pipe 201 and longitudinal two sides steel plate 202, steel
The both ends of pipe 201 are connect with the upper end of two sides steel plate 202 respectively.In such manner, it is possible to facilitate the installation of junction steel plate 2.
Preferably, steel pipe 201 is located on the top surface of concrete tower 6, and contacts with the top surface of concrete tower 6；Two sides
Steel plate 202 is extend into 6 side wall of concrete tower below the top surface of concrete tower 6.In such manner, it is possible to facilitate junction steel plate 2
With being fixedly connected for the top surface of concrete tower 6.
Preferably, prevent that the lateral part 10 that slides is set as the plate-like piece contacted with whole beam steel wire bundle 8.It in this way can be conveniently anti-
The lateral installation for sliding part 10.
Preferably, prevent that the radial section of the lateral plate face and first pulley 301 for sliding part 10 is located in the same plane, institute
State the center of circle of the radial section Jing Guo first pulley 301.In such manner, it is possible to improve the anti-lateral part 10 that slides to the anti-of bundle ligature 9
Sliding effect.
Embodiment 2
Installation method of the pylon as described in Example 1 with steel wire bundle entirety punch track construction frame device, the peace
Dress method the following steps are included:
Construction frame body 1 is connect by welding structure on the ground with junction steel plate 2, by the lower end of junction steel plate 2 and is mixed
The top surface connection of solidifying soil tower 6；
Whole beam steel wire bundle 8 is bundled at least two beam bundle ligatures 9 on ground, the end of bundle ligature 9 is pacified
Taper guide head 7 is filled, whole beam steel wire bundle 8 is successively bypassed into first pulley 301 and second pulley 302, bundle ligature 9 is led to
The top hoist engine for crossing top is sling from ground, so that the top of bundle ligature 9 is by passing through prestress hole after construction frame body 1
Road 5；Anti- lateral landing part 10 will be respectively provided in first pulley 301 and second pulley 302.
Preferably, the quantity of first pulley 301 and second pulley 302 is disposed as four, four first pulleys 301 are wrapped
Include the first pulley 3013 of first pulley 3012, three of No.1 first pulley 3011, two and No. four first pulleys 3014；No.1
The bundle ligature 9 in the corresponding No.1 region 1101 of one pulley 3011 is perforated, corresponding No. two regions 1102 of No. two first pulleys 3012
Bundle ligature 9 perforate, the bundle ligature 9 in corresponding No. three regions 1103 of No. three first pulleys 3013 is perforated, No. four first
The bundle ligature 9 in corresponding No. four regions 1104 of pulley 3014 is perforated.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. pylon steel wire bundle entirety punch track construction frame device, pylon steel wire bundle entirety punch track scaffold
Body device includes the construction frame body (1) of frame structure, and the lower end of construction frame body (1) is connected with junction steel plate (2), junction steel plate
(2) lower end is fixed on the top surface of concrete tower (6), which is characterized in that is uniformly distributed on the top surface of concrete tower (6)
Ground is provided at least two first pulleys (301), and the middle above first pulley (301) is evenly distributedly provided at least two
A second pulley (302), two first pulleys (301) are identical with the quantity of second pulley (302), and each first pulley
(301) pulley blocks are matched into a second pulley (302) respectively；Whole beam steel wire bundle (8) is on ground by beam at least two
Bundle ligature (9), the end of bundle ligature (9) are equipped with taper guide head (7), and bundle ligature (9) successively bypass
First pulley (301) and second pulley (302), and the top of bundle ligature (9) passes through prestressing force by construction frame body (1) afterwards
Duct (5)；Anti- lateral landing part (10) is provided in first pulley (301) and second pulley (302).
2. pylon as described in claim 1 steel wire bundle entirety punch track construction frame device, which is characterized in that concrete
Operating platform (4) are provided in tower (6).
3. pylon as claimed in claim 2 steel wire bundle entirety punch track construction frame device, which is characterized in that first is sliding
The quantity for taking turns (301) and second pulley (302) is four, and each first pulley (301) respectively corresponds its respective region
Steel wire bundle perforation.
4. pylon as claimed in claim 3 steel wire bundle entirety punch track construction frame device, which is characterized in that connection steel
Plate (2) include lateral steel pipe (201) and longitudinal direction two sides steel plate (202), the both ends of steel pipe (201) respectively with two sides steel plate
(202) upper end connection.
5. pylon as claimed in claim 4 steel wire bundle entirety punch track construction frame device, which is characterized in that steel pipe
(201) it on the top surface of concrete tower (6), and is contacted with the top surface of concrete tower (6)；Two sides steel plate (202) protrudes into
In concrete tower (6) side wall below to the top surface of concrete tower (6).
6. pylon as claimed in claim 5 steel wire bundle entirety punch track construction frame device, which is characterized in that anti-lateral
It slides part (10) and is set as the plate-like piece contacted with whole beam steel wire bundle (8).
7. pylon as claimed in claim 6 steel wire bundle entirety punch track construction frame device, which is characterized in that anti-lateral
The radial section of plate face and first pulley (301) for sliding part (10) is located in the same plane, and the radial section passes through the
The center of circle of one pulley (301).
8. such as the pylon of any of claims 1-7 installation side of steel wire bundle entirety punch track construction frame device
Method, which is characterized in that the installation method the following steps are included:
Will construction frame body (1) connect on the ground by welding structure with junction steel plate (2), by the lower end of junction steel plate (2) with
It is connect with the top surface of concrete tower (6)；
Whole beam steel wire bundle (8) is bundled at least two beam bundle ligatures (9) on ground, by the end of bundle ligature (9)
It installs taper guide head (7), whole beam steel wire bundle (8) is successively bypassed into first pulley (301) and second pulley (302), by steel
Silk bindings (9) are sling by the top hoist engine of top from ground, so that the top of bundle ligature (9) passes through construction frame body
(1) prestressed pore passage (5) are passed through afterwards；Anti- lateral landing part will be respectively provided in first pulley (301) and second pulley (302)
(10)。
9. the pylon as claimed in claim 8 installation method of steel wire bundle entirety punch track construction frame device, feature
It is, the quantity of first pulley (301) and second pulley (302) is disposed as four, four first pulleys (301) include one
Number first pulley (3011), No. two first pulleys (3012), No. three first pulleys (3013) and No. four first pulleys (3014)；One
Bundle ligature (9) perforation of number first pulley (3011) corresponding No.1 region (1101), No. two first pulleys (3012) are corresponding
Bundle ligature (9) perforation of No. two regions (1102), the steel wire of corresponding No. three regions (1103) of No. three first pulleys (3013)
Bindings (9) perforation, bundle ligature (9) perforation of corresponding No. four regions (1104) of No. four first pulleys (3014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058699.1A CN109372311B (en) | 2018-09-11 | 2018-09-11 | Steel strand bundle integral tunnel penetrating construction frame body device for tower and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811058699.1A CN109372311B (en) | 2018-09-11 | 2018-09-11 | Steel strand bundle integral tunnel penetrating construction frame body device for tower and installation method thereof |
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| CN109372311A true CN109372311A (en) | 2019-02-22 |
| CN109372311B CN109372311B (en) | 2024-02-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282373A (en) * | 2020-09-23 | 2021-01-29 | 安徽省力通稀土钢缆有限公司 | Steel strand bundle integral perforation tunnel scaffold for tower |
| CN114960627A (en) * | 2022-05-20 | 2022-08-30 | 中国建筑第二工程局有限公司 | Construction method of overlong slow-bonding prestressed cast-in-place pile |
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| 黄乔森;常孝亭;: "一种用于大跨度桥梁钢绞线穿束的装置施工技术", 广东公路交通, no. 04 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282373A (en) * | 2020-09-23 | 2021-01-29 | 安徽省力通稀土钢缆有限公司 | Steel strand bundle integral perforation tunnel scaffold for tower |
| CN114960627A (en) * | 2022-05-20 | 2022-08-30 | 中国建筑第二工程局有限公司 | Construction method of overlong slow-bonding prestressed cast-in-place pile |
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| CN109372311B (en) | 2024-02-23 |
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