CN109653252A - A kind of cast-in-place well room steel form of circle and construction method - Google Patents
A kind of cast-in-place well room steel form of circle and construction method Download PDFInfo
- Publication number
- CN109653252A CN109653252A CN201910016872.XA CN201910016872A CN109653252A CN 109653252 A CN109653252 A CN 109653252A CN 201910016872 A CN201910016872 A CN 201910016872A CN 109653252 A CN109653252 A CN 109653252A
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- block
- well room
- cast
- internal model
- pieces
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
The present invention provides a kind of cast-in-place well room steel form of circle, the cast-in-place well room steel form of the circle includes: that head and the tail are sequentially connected and dismountable four blocks of exterior sheathings, and head and the tail are sequentially connected and dismountable eight pieces of inner templates.The beneficial effects of the present invention are: the steel template structure is simple, light, firm, it is easily installed disassembly, at least four are the oblique seam with well room axis oblique in the longitudinal seam of the internal model surrounded, the joint surface of the inner template of oblique seam two sides is inclined-plane, it efficiently solves the problems, such as to demould difficulty in round cast-in-place well room work progress in this way, while can ensure to Cast-in-place concrete construction quality, also reduce labor intensity of workers, progress is accelerated, economic benefit is improved.Simultaneously it is suitable for municipal works drainage inspection well, the external mold and internal model surrounded is reserved with corresponding supervisor's preformed hole, branch pipe preformed hole and ladder reserving installation hole respectively, efficiently solve inspection shaft internal model demoulding difficult problem, especially three drifting internal model demoulding difficult problems.
Description
Technical field
The present invention relates to round Cast-in-place concrete well room technical field more particularly to a kind of cast-in-place well room steel form of circle and
Construction method.
Background technique
Now in City Engineering Design, usually because in view of the needs such as impervious and durability, round well room Basic Design
For Cast-in-place concrete well room, still, in the prior art, inspection shaft casting steel form is arranged primarily directed to precast inspection well,
The interior moulding/demoulding of cast-in-place round well room steel form is not solved targetedly because of concrete expansive force, leads to internal model dieback, can not demould or not have
There is simple and practical release method.Such as in the cast-in-place inspection shaft of municipal drainage, especially three drifting casting, ladder can not be installed,
The problems such as template is heavy.And it is its steel form usage charges expenses of labour power, at high cost, presentation quality is not protected.In short, the prior art
In, the steel form and construction method convenient for round Cast-in-place concrete well room construction are not provided.
Summary of the invention
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of cast-in-place well room steel form of circle and its
Application method.
The present invention is achieved through the following technical solutions:
The present invention provides a kind of cast-in-place well room steel form of circle, the cast-in-place well room steel form of the circle includes: that head and the tail are sequentially connected
And dismountable four blocks of exterior sheathings, and head and the tail are sequentially connected and dismountable eight pieces of inner templates；Four blocks of exterior sheathings head and the tail
It is sequentially connected and surrounds circular external mold, eight pieces of inner templates head and the tail, which are sequentially connected, surrounds circular internal model；Every block of exterior sheathing and
Every piece of inner template is arc-shaped steel plate；At least four are oblique with well room axis in longitudinal seam between eight pieces of inner templates
The oblique seam handed over.
Preferably, two pieces of outer templates of arbitrary neighborhood pass through 90 ° of flanged joints of ∠ in four blocks of exterior sheathings.
Preferably, the vertical angle m of the oblique seam is 55 ° of ∠, 65 ° of-∠, and the inner template of the oblique seam two sides connects
Conjunction face is inclined-plane, and the angle n on the inclined-plane and the outer tangent line of the internal model surrounded is 25 ° of ∠, 35 ° of-∠, and described oblique
The inner template of two sides is stitched by 25 ° of ∠, 35 ° of-∠ flanged joint, the inner template of other longitudinal seam two sides is connected by 90 ° of flanges of ∠
It connects.
Preferably, the external mold surrounded and the internal model can have corresponding supervisor's preformed hole and branch pipe as needed
Preformed hole, and the internal model surrounded can have ladder reserving installation hole as needed, and the internal model surrounded has ladder
When reserving installation hole, the longitudinal seam between two pieces of inner templates neighbouring with the ladder reserving installation hole is parallel with well room axis
Longitudinal seam, described at least four it is oblique seam with the longitudinal seam be symmetrical arranged；Four blocks of exterior sheathings can be distinguished as needed
It is set as ab block, bc block, cb block and ba block；Eight pieces of inner templates can be respectively set to as needed HA block, AB block, FE block,
ED block, DC block, CB block, FG block and GH block.
Preferably, the external mold surrounded and the internal model can have corresponding supervisor's preformed hole and branch pipe as needed
When preformed hole, the big 10mm of maximum outside diameter of the aperture ratio supervisor of supervisor's preformed hole, the aperture ratio branch of the branch pipe preformed hole
The big 10mm of the maximum outside diameter of pipe；It further include two pieces of branch pipe external mold cover boards for sealing the branch pipe preformed hole on the external mold, with
And two pieces of branch pipe internal model cover boards for sealing the branch pipe preformed hole in the internal model；Two pieces of branch pipe external mold cover boards and described
Two pieces of branch pipe internal model cover boards are semicircle.
Preferably, every block of exterior sheathing and every piece of inner template are respectively arranged with handle at the position of flange.
The present invention also provides a kind of round Cast-in-place concrete well room construction methods, include the following steps:
(1) well room bottom plate and well room wall reinforcement installation, bottom plate concrete placings are completed；
(2) template coating release agent, including four blocks of exterior sheathings and eight pieces of inner templates；
(3) installation well room inner template sequence are as follows:
HA block → AB block → FE block → ED block → DC block → CB block → FG block → GH block；
(4) installation well room exterior sheathing sequence are as follows:
It is successively installed from ab block；
(5) well room wall concrete is poured；
After (6) 12 hours, start demoulding；
(7) well room inner template sequence is removed are as follows:
CD block is exited along D angle direction；
CB block is exited along B angle direction；
ED block is exited along D angle direction；
AB block is exited along B angle direction；
GH block is exited along H angle direction；
GF block is exited along F angle direction；
Finally successively exit AH block, EF block；
(8) well room exterior sheathing sequence is removed are as follows:
It is successively exited from ab block.
Compared with prior art, it the beneficial effects of the present invention are: the steel template structure is simple, light, firm, is easily installed
It dismantles, at least four are the oblique seam with well room axis oblique in the longitudinal seam of the internal model surrounded, the internal model of oblique seam two sides
The joint surface of plate is inclined-plane, efficiently solves the problems, such as to demould difficulty, while energy in round cast-in-place well room work progress in this way
It ensures to Cast-in-place concrete construction quality, also reduces labor intensity of workers, accelerate progress, improve economic benefit.This hair simultaneously
Bright to be also applied for municipal works drainage inspection well, the external mold and internal model surrounded is reserved with corresponding supervisor's preformed hole, branch respectively
It is de- to efficiently solve inspection shaft internal model demoulding difficult problem, especially three drifting internal models for pipe preformed hole and ladder reserving installation hole
Mould difficult problem.
Detailed description of the invention
Fig. 1 is the assembled sectional view of external mold provided in an embodiment of the present invention；
Fig. 2 is the assembled expansion view of external mold provided in an embodiment of the present invention；
Fig. 3 is the sectional view and its expansion view of ab block provided in an embodiment of the present invention；
Fig. 4 is the sectional view and its expansion view of bc block provided in an embodiment of the present invention；
Fig. 5 is the sectional view and its expansion view of cb block provided in an embodiment of the present invention；
Fig. 6 is the sectional view and its expansion view of ba block provided in an embodiment of the present invention；
Fig. 7 is internal model provided in an embodiment of the present invention assembled sectional view suitable for reading；
Fig. 8 is mouth assembly sectional view under internal model provided in an embodiment of the present invention；
Fig. 9 is the first assembled expansion view of internal model provided in an embodiment of the present invention；
Figure 10 is the second assembled expansion view of internal model provided in an embodiment of the present invention；
Figure 11 is the upper and lower opening sectional view and its expansion view of HA block provided in an embodiment of the present invention；
Figure 12 is the upper and lower opening sectional view and its expansion view of AB block provided in an embodiment of the present invention；
Figure 13 is the upper and lower opening sectional view and its expansion view of FE block provided in an embodiment of the present invention；
Figure 14 is the upper and lower opening sectional view and its expansion view of ED block provided in an embodiment of the present invention；
Figure 15 is the upper and lower opening sectional view and its expansion view of DC block provided in an embodiment of the present invention；
Figure 16 is the upper and lower opening sectional view and its expansion view of CB block provided in an embodiment of the present invention；
Figure 17 is the upper and lower opening sectional view and its expansion view of FG block provided in an embodiment of the present invention；
Figure 18 is the upper and lower opening sectional view and its expansion view of GH block provided in an embodiment of the present invention；
Figure 19 is the structural schematic diagram of branch pipe external mold cover board provided in an embodiment of the present invention；
Figure 20 is the structural schematic diagram of branch pipe internal model cover board provided in an embodiment of the present invention；
Figure 21 is the top view of external mold provided in an embodiment of the present invention and internal model.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, cast-in-place below in conjunction with attached drawing and circle
Well room steel form embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
Fig. 1-2 1 is please referred to, Fig. 1 is the assembled sectional view of external mold provided in an embodiment of the present invention；Fig. 2 is implementation of the present invention
The assembled expansion view for the external mold that example provides；Fig. 3 is the sectional view and its expansion view of ab block provided in an embodiment of the present invention；Figure
4 be the sectional view and its expansion view of bc block provided in an embodiment of the present invention；Fig. 5 is cutting for cb block provided in an embodiment of the present invention
Face figure and its expansion view；Fig. 6 is the sectional view and its expansion view of ba block provided in an embodiment of the present invention；Fig. 7 is the present invention
The internal model that embodiment provides assembled sectional view suitable for reading；Fig. 8 is mouth assembly sectional view under internal model provided in an embodiment of the present invention；Fig. 9
It is the first assembled expansion view of internal model provided in an embodiment of the present invention；Figure 10 is the second of internal model provided in an embodiment of the present invention
Assembly expansion view；Figure 11 is the upper and lower opening sectional view and its expansion view of HA block provided in an embodiment of the present invention；Figure 12 is this
The upper and lower opening sectional view and its expansion view for the AB block that inventive embodiments provide；Figure 13 is FE block provided in an embodiment of the present invention
Upper and lower opening sectional view and its expansion view；Figure 14 is the upper and lower opening sectional view and its expansion view of ED block provided in an embodiment of the present invention
Figure；Figure 15 is the upper and lower opening sectional view and its expansion view of DC block provided in an embodiment of the present invention；Figure 16 is the embodiment of the present invention
The upper and lower opening sectional view and its expansion view of the CB block of offer；Figure 17 is the upper and lower opening section of FG block provided in an embodiment of the present invention
Figure and its expansion view；Figure 18 is the upper and lower opening sectional view and its expansion view of GH block provided in an embodiment of the present invention；Figure 19 is
The structural schematic diagram of branch pipe external mold cover board provided in an embodiment of the present invention；Figure 20 is die cap in branch pipe provided in an embodiment of the present invention
The structural schematic diagram of plate；Figure 21 is the top view of external mold provided in an embodiment of the present invention and internal model.
To facilitate understanding of the present embodiment of the invention the cast-in-place well room steel form of circle and construction method provided, below with reference to tool
It is described in detail in the embodiment of body.
- 21 are continued to refer to figure 1, the embodiment of the invention provides a kind of cast-in-place well room steel form of circle, the cast-in-place wells of the circle
Room steel form includes that head and the tail are sequentially connected and dismountable four blocks of exterior sheathings, and in head and the tail are sequentially connected and are eight pieces dismountable
Template.In the present embodiment, as shown in Figure 1, four blocks of exterior sheathings head and the tail are sequentially connected and surround circular external mold, such as Fig. 7 and
Shown in Fig. 8, eight pieces of inner templates head and the tail, which are sequentially connected, surrounds circular internal model.Incorporated by reference to Figure 21, the external mold that surrounds and
Have between the internal model convenient for the gap of injection concrete.Every block of exterior sheathing and every piece of inner template are arc-shaped steel plate.Specifically,
Two pieces of outer templates of arbitrary neighborhood pass through 90 ° of flanged joints of ∠ in four blocks of exterior sheathings.Incorporated by reference to Fig. 9, eight pieces of internal models
At least four are the oblique seam 1 with well room axis oblique in longitudinal seam between plate, and the vertical angle m of the oblique seam 1 is
55 ° of ∠ 65 ° of-∠, the vertical angle m are preferably arranged to 60 ° of ∠.As shown in Figures 7 and 8,1 two sides of the oblique seam is interior
The joint surface of template is inclined-plane, and the angle n of the inclined-plane and the outer tangent line of the internal model surrounded is 25 ° of ∠, 35 ° of-∠, institute
The angle n stated is preferably arranged to 30 ° of ∠.The inner template of 1 two sides of the oblique seam is by 25 ° of ∠, 35 ° of-∠ flanged joint, preferably
It is set as through 30 ° of flanged joints of ∠, the inner template of other longitudinal seam two sides passes through 90 ° of flanged joints of ∠.
In a specific embodiment, as shown in Fig. 2 and Fig. 9, the external mold and the internal model surrounded can be as needed
With corresponding supervisor's preformed hole 2 and branch pipe preformed hole 3, as shown in Figure 10, the internal model surrounded can also have as needed
When the internal model for having ladder reserving installation hole 4, and surrounding has ladder reserving installation hole 4, incorporated by reference to Fig. 7, Fig. 8 and Figure 21,
Ladder 20 is installed in ladder reserving installation hole 4, and vertical between two pieces of inner templates neighbouring with the ladder reserving installation hole 4
It is the longitudinal seam parallel with well room axis to seam, the oblique seam 1 of described at least four is symmetrical arranged with the longitudinal seam.Such as Fig. 3-6
Shown, four blocks of exterior sheathings can be respectively set to ab block 5, bc block 7, cb block 8 and ba block 6 as needed.As Figure 11-18 institute
Show, eight pieces of inner templates can be respectively set to HA block 9, AB block 10, FE block 11, ED block 12, DC block 13, CB block as needed
14, FG block 15 and GH block 16.In the present embodiment, the external mold surrounded and the internal model can have corresponding as needed
When being responsible for preformed hole 2 and branch pipe preformed hole 3, the big 10mm of maximum outside diameter of the aperture ratio supervisor of supervisor's preformed hole 2, the branch
The big 10mm of maximum outside diameter of the aperture ratio branch pipe of pipe preformed hole 3.It is convenient for wearing supervisor and branch pipe in this way.In addition, such as Figure 19 and figure
It further include two pieces of branch pipe external mold cover boards 17 for sealing the branch pipe preformed hole 2 on the external mold, and for sealing shown in 20
State two pieces of branch pipe internal model cover boards 18 of the branch pipe preformed hole 2 in internal model in residence.Two pieces of branch pipe external molds cover board 17 and described two
Block branch pipe internal model cover board 18 is semicircle.In this way, when can pour non-three drifting according to the design needs, moreover it is possible to pass through two pieces of branch
Pipe external mold cover board 17 blocks the branch pipe preformed hole 2 on the external mold surrounded, is surrounded by two pieces of closure of branch pipe internal model cover board 18
The internal model on branch pipe preformed hole 2.In addition, for convenience of mounting and dismounting, every block of exterior sheathing and every piece of internal model
Plate is respectively arranged with handle 19 at the position of flange.
In the above-described embodiments, it is difficult mainly to solve inner template demoulding for the cast-in-place well room steel form of circle provided by the invention
The problem of, at least four are the oblique seam with well room axis oblique in the longitudinal seam of the internal model surrounded, are efficiently solved in this way
Because the factors such as tension make the mutual dieback of inner template outside Cast-in-place concrete, so that being difficult to the problem of demoulding；In addition, every piece of outer template and every
It is provided with knob in block inner template, plays the role of assisted demoulding；The cast-in-place well room steel form of circle provided by the invention, structure letter
It is single, light, firm, it is easily installed disassembly, while can ensure to Cast-in-place concrete construction quality, also reduces labor intensity of workers, add
Fast progress, improves economic benefit；Simultaneously it is suitable for municipal works drainage inspection well, the external mold surrounded and internal model
It is reserved with corresponding supervisor's preformed hole, branch pipe preformed hole and ladder reserving installation hole respectively, efficiently solves inspection shaft internal model
Demoulding difficult problem, especially three drifting internal model demoulding difficult problems.
The present invention also provides a kind of round Cast-in-place concrete well room construction methods, include the following steps:
(1) well room bottom plate and well room wall reinforcement installation, bottom plate concrete placings are completed；
(2) template coating release agent, including four blocks of exterior sheathings and eight pieces of inner templates；
(3) installation well room inner template sequence are as follows:
HA block → AB block → FE block → ED block → DC block → CB block → FG block → GH block；
It is connected two-by-two specifically, will vertically stitch first for the non-oblique inner template for stitching two sides, the company for then forming four connections
Junctor is sequentially connected；
(4) installation well room exterior sheathing sequence are as follows:
It is successively installed from ab block；
(5) well room wall concrete is poured；
After (6) 12 hours, start demoulding；
(7) well room inner template sequence is removed are as follows:
CD block is exited along D angle direction；
CB block is exited along B angle direction；
ED block is exited along D angle direction；
AB block is exited along B angle direction；
GH block is exited along H angle direction；
GF block is exited along F angle direction；
Finally successively exit AH block, EF block；
(8) well room exterior sheathing sequence is removed are as follows:
It is successively exited from ab block.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (7)
1. a kind of cast-in-place well room steel form of circle characterized by comprising be sequentially connected from beginning to end and dismountable four pieces of external molds
Plate, and head and the tail are sequentially connected and dismountable eight pieces of inner templates；Four blocks of exterior sheathings head and the tail be sequentially connected surround it is circular
External mold, eight pieces of inner templates head and the tail, which are sequentially connected, surrounds circular internal model；Every block of exterior sheathing and every piece of inner template are circular arc
Shape steel plate；At least four are the oblique seam with well room axis oblique in longitudinal seam between eight pieces of inner templates.
2. the cast-in-place well room steel form of circle according to claim 1, which is characterized in that any phase in four blocks of exterior sheathings
Two blocks of adjacent exterior sheathings pass through 90 ° of flanged joints of ∠.
3. the cast-in-place well room steel form of circle according to claim 1, which is characterized in that the vertical angle m of the oblique seam
Joint surface for 55 ° of ∠, 65 ° of-∠, the inner template of the oblique seam two sides is inclined-plane, the inclined-plane and the internal model surrounded
The angle n of outer tangent line be 25 ° of ∠, 35 ° of-∠, and the inner template of the oblique seam two sides is by 25 ° of ∠, 35 ° of-∠ flanged joint,
The inner template of other longitudinal seam two sides passes through 90 ° of flanged joints of ∠.
4. the cast-in-place well room steel form of circle according to claim 1, which is characterized in that the external mold that surrounds and described interior
Mould can have corresponding supervisor's preformed hole and branch pipe preformed hole as needed, and the internal model surrounded can have as needed
Ladder reserving installation hole, and the internal model surrounded have ladder reserving installation hole when, it is neighbouring with the ladder reserving installation hole
Two pieces of inner templates between longitudinal seam be the longitudinal seam parallel with well room axis, described at least four it is oblique seam with the longitudinal direction
Seam is symmetrical arranged；Four blocks of exterior sheathings can be respectively set to ab block, bc block, cb block and ba block as needed；In described eight pieces
Template can be respectively set to HA block, AB block, FE block, ED block, DC block, CB block, FG block and GH block as needed.
5. the cast-in-place well room steel form of circle according to claim 4, which is characterized in that the external mold that surrounds and described interior
When mould can have corresponding supervisor's preformed hole and branch pipe preformed hole as needed, the aperture ratio supervisor's of supervisor's preformed hole
The big 10mm of maximum outside diameter, the big 10mm of maximum outside diameter of the aperture ratio branch pipe of the branch pipe preformed hole；It further include described for sealing
Two pieces of branch pipe external mold cover boards of the branch pipe preformed hole on external mold, and two pieces for sealing the branch pipe preformed hole in the internal model
Branch pipe internal model cover board；Two pieces of branch pipe external mold cover boards and two pieces of branch pipes internal model cover board are semicircle.
6. the cast-in-place well room steel form of circle according to claim 1, which is characterized in that every block of exterior sheathing and described
Every piece of inner template is respectively arranged with handle at the position of flange.
7. a kind of circle Cast-in-place concrete well room construction method, includes the following steps:
(1) well room bottom plate and well room wall reinforcement installation, bottom plate concrete placings are completed；
(2) template coating release agent, including four blocks of exterior sheathings and eight pieces of inner templates；
(3) installation well room inner template sequence are as follows:
HA block → AB block → FE block → ED block → DC block → CB block → FG block → GH block；
(4) installation well room exterior sheathing sequence are as follows:
It is successively installed from ab block；
(5) well room wall concrete is poured；
After (6) 12 hours, start demoulding；
(7) well room inner template sequence is removed are as follows:
CD block is exited along D angle direction；
CB block is exited along B angle direction；
ED block is exited along D angle direction；
AB block is exited along B angle direction；
GH block is exited along H angle direction；
GF block is exited along F angle direction；
Finally successively exit AH block, EF block；
(8) well room exterior sheathing sequence is removed are as follows:
It is successively exited from ab block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016872.XA CN109653252A (en) | 2019-01-08 | 2019-01-08 | A kind of cast-in-place well room steel form of circle and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016872.XA CN109653252A (en) | 2019-01-08 | 2019-01-08 | A kind of cast-in-place well room steel form of circle and construction method |
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| CN109653252A true CN109653252A (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910684A (en) * | 2020-08-18 | 2020-11-10 | 安徽铭安建设工程有限公司 | Rapid construction system and method for lightweight template of reinforced concrete cast-in-place circular drainage inspection well |
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| CN103088844A (en) * | 2013-03-04 | 2013-05-08 | 济南城建集团有限公司 | Reinforced concrete inspection well whole prefabricated hoisting construction method |
| CN203834627U (en) * | 2014-03-28 | 2014-09-17 | 中国一冶集团有限公司 | Novel combined steel die plate for shaping water drainage well bore |
| CN106638697A (en) * | 2016-11-08 | 2017-05-10 | 安徽水安建设集团股份有限公司 | Method for rapidly constructing light formwork of reinforced-concrete-cast-in-place circular draining inspection well |
| CN207469307U (en) * | 2017-10-20 | 2018-06-08 | 中交第二航务工程局有限公司 | A kind of gang form structure of the inspection shaft cast-in-place construction of town road pipeline |
| CN207582502U (en) * | 2017-06-09 | 2018-07-06 | 西安市恒兴市政工程公司 | A kind of prefabricated assembled circular well |
| CN209703563U (en) * | 2019-01-08 | 2019-11-29 | 湖南省第五工程有限公司 | A kind of cast-in-place well room steel form of circle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103088844A (en) * | 2013-03-04 | 2013-05-08 | 济南城建集团有限公司 | Reinforced concrete inspection well whole prefabricated hoisting construction method |
| CN203834627U (en) * | 2014-03-28 | 2014-09-17 | 中国一冶集团有限公司 | Novel combined steel die plate for shaping water drainage well bore |
| CN106638697A (en) * | 2016-11-08 | 2017-05-10 | 安徽水安建设集团股份有限公司 | Method for rapidly constructing light formwork of reinforced-concrete-cast-in-place circular draining inspection well |
| CN207582502U (en) * | 2017-06-09 | 2018-07-06 | 西安市恒兴市政工程公司 | A kind of prefabricated assembled circular well |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111910684A (en) * | 2020-08-18 | 2020-11-10 | 安徽铭安建设工程有限公司 | Rapid construction system and method for lightweight template of reinforced concrete cast-in-place circular drainage inspection well |
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