CN108179751A - Suitable for structure, device and the design method of the cast of deep narrow structure inner concrete - Google Patents
Suitable for structure, device and the design method of the cast of deep narrow structure inner concrete Download PDFInfo
- Publication number
- CN108179751A CN108179751A CN201810076346.8A CN201810076346A CN108179751A CN 108179751 A CN108179751 A CN 108179751A CN 201810076346 A CN201810076346 A CN 201810076346A CN 108179751 A CN108179751 A CN 108179751A
- Authority
- CN
- China
- Prior art keywords
- concrete
- deflector
- lateral stiffening
- stiffening plate
- cast
- 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.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title abstract description 11
- 238000013461 design Methods 0.000 title abstract description 6
- 239000003351 stiffener Substances 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 10
- 238000005266 casting Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000009792 diffusion process 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention provides a kind of structure, device and design method for being suitable for deep narrow structure inner concrete cast, belongs to concrete construction engineering field.The device relies on the side plate of structure and the lateral stiffening plate of structure to set folding concrete deflector group；Concrete deflector group includes several sequentially connected concrete deflectors, and the trepanning of several lateral stiffening plates is sequentially passed through, and form fold-line-shaped structure after expansion；Concrete deflector upward be provided with trench structure on one side, and the lower end of concrete deflector offers concrete deflector hole, the upper end offers gas vent.The device is flowed by guiding concrete, avoid sharp splash during the direct pouring in vertically clamped moulds of concrete that concrete performance is caused to be affected, to improve packed uniform in concrete placement, while advantageous export concrete bubble, concrete casting quality and later stage performance are improved.
Description
Technical field
The invention belongs to the technical field of concrete construction in civil engineering, are related to a kind of for the mixed of special construction demand
Solidifying soil cast supplementary structure, device and design method, it is deep narrow formwork structure, deep narrow suitable for including Steel-concrete Composite
The concrete cast of foundation pit structure institute, the far-reaching structure that can not be reached especially suitable for concrete delivery pipe.
Background technology
With the development of China's capital construction construction, new structure and labyrinth are more and more, and special construction needs also to need to get over
Come more.It is also frequently encountered including mixing girder construction, deep narrow-structured model, three-dimensional stairstepping force structure.This class formation is due to interior
Portion is complicated, the influence of steel plate, partition board, connector etc, and in construction, the problem of encountering has, when construction space it is limited,
Second is that there is bone when construction depth is big, three be the concrete cast for the problem of concrete conveyance Work machine is unable to reach, brings
Material is detached with cement mortar, concrete pours into a mould leakiness, internal gas discharge is not smooth etc., eventually leads to the strength character of concrete
Even structure stress is affected safely.
Invention content
It is an object of the present invention to it overcomes the deficiencies of the prior art and provide a kind of suitable for deep narrow structure inner concrete
Structure, device and the design method of cast, suitable for depth is big, inner concrete of narrow space structure is poured into a mould, by leading
Draw concrete flowing, it is possible to prevente effectively from sharp splash during the direct pouring in vertically clamped moulds of concrete causes concrete performance to be affected, with
Improve packed uniform in concrete placement, while advantageous export concrete bubble, improve concrete quality and later stage property
Energy.
In order to realize above-mentioned target, the present invention provides following technical solutions：
A kind of structure for being suitable for deep narrow structure inner concrete cast, including relying on structure side plate and structure lateral stiffening
The folding concrete deflector group of plate setting；
The concrete deflector group includes several sequentially connected concrete deflectors；The concrete deflector group exhibition
If sequentially passing through the trepanning of stem structure lateral stiffening plate after opening, and form fold-line-shaped structure；
The one side of the concrete deflector upward is provided with trench structure along its length；Corresponding to trench structure
Bottom, offers concrete deflector hole in the lower end of the concrete deflector, the trench structure on all concrete deflectors
And concrete deflector hole forms concrete guide flow path successively；
The upper end of the concrete deflector offers gas vent.
The present invention also provides a kind of device for being suitable for deep narrow structure inner concrete cast, including structure side plate and structure
Lateral stiffening plate and the folding concrete deflector that existing structure side plate and structure lateral stiffening plate is relied on to set
Group；
Concrete deflector group includes several sequentially connected concrete deflectors；After the expansion of concrete deflector group successively
Across the trepanning of several lateral stiffening plates, and form fold-line-shaped structure；
The one side of concrete deflector upward is provided with trench structure along its length；Corresponding to the bottom of trench structure
Portion, offers concrete deflector hole in the lower end of concrete deflector, trench structure and coagulation on all concrete deflectors
Native deflector hole forms concrete guide flow path successively；
The upper end of concrete deflector offers gas vent.
The length of concrete deflector can be according to position of opening and the adjacent structure horizontal stroke of each structure lateral stiffening plate
It is adaptively adjusted to the spacing of stiffener.For example and without limitation, opening when each lateral stiffening plate of existing structure
When hole site is unanimous between the higher and lower levels, and when spacing between adjacent transverse stiffener is identical, the length of all concrete deflectors can be with
It is identical；When position of opening is consistent above and below existing each lateral stiffening plate, and the spacing between adjacent transverse stiffener is endless
Exactly the same, the length of all concrete deflectors can not also be identical.When each lateral stiffening plate of existing structure is opened
When not quite identical above and below hole site, the length of concrete deflector according to the position of opening of each structure lateral stiffening plate and
The spacing of adjacent structure lateral stiffening plate is adjusted, and is located at adjacent two structure with the turning point of two neighboring concrete deflector
The centre of lateral stiffening plate is advisable.
For example and without limitation, after the expansion of concrete deflector group, if two positioned at intermediate dry concrete deflector
End can be respectively supported on the madial wall of left and right two structure side plates.Preferably, positioned at the two of intermediate concrete deflector
Hold Support Position on left and right structure side plate madial wall can be located at on its (described to be located at intermediate concrete deflector)
Under adjacent two structure lateral stiffening plates centre.
For example and without limitation, after the expansion of concrete deflector group, if two positioned at intermediate dry concrete deflector
End can be respectively supported on the structure lateral stiffening plate neighbouring with its (described be located at intermediate concrete deflector) or
At structure turning point or on temporary support point.
The present invention working method be：
Concrete plows, and pass through upper level from up to down by the trench structure of each concrete deflector to flowing down successively
The concrete deflector hole of concrete deflector is flowed in the trench structure of next stage concrete deflector；It is so repeatedly downward step by step
After structural base, concrete to concrete deflector lower section and is filled to both sides diffusion process for trickling；Simultaneously by each
The gas vent discharge air entrapment opened up on concrete deflector.
Compared with prior art, the beneficial effects of the present invention are：It is big, narrow space structure that the device is suitable for depth
Inner concrete is poured into a mould, especially suitable for deep narrow structure of upper and lower concrete plug hole when inconsistent, by guiding concrete
Flowing, it is possible to prevente effectively from sharp splash during the direct pouring in vertically clamped moulds of concrete causes concrete performance to be affected, to improve coagulation
Packed uniform in native casting process, while advantageous export concrete bubble, improve concrete quality and later stage performance.
Description of the drawings
Fig. 1 is showing for the first embodiment of the device provided by the invention for being suitable for deep narrow structure inner concrete cast
It is intended to；
Fig. 2 is the three of the first embodiment of the device provided by the invention for being suitable for deep narrow structure inner concrete cast
Tie up structure diagram；
Fig. 3 is showing for second of embodiment of the device provided by the invention for being suitable for deep narrow structure inner concrete cast
It is intended to；
Fig. 4 is showing for the third embodiment of the device provided by the invention for being suitable for deep narrow structure inner concrete cast
It is intended to；
Fig. 5 is showing for the 4th kind of embodiment of the device provided by the invention for being suitable for deep narrow structure inner concrete cast
It is intended to.
Reference sign
1 structure side plate, 2 structure lateral stiffening plates, 3 top layer deflectors, 4 intermediate deflectors, 5 bottom deflectors.
Specific embodiment
The depth narrow structure inner concrete provided by the invention that is suitable for is poured below in conjunction with specific embodiment and its attached drawing
The technical solution of the structure of note, device and design method is described further.With reference to following explanation, advantages and features of the invention
It will be apparent from.
It should be noted that the embodiment of the present invention has preferable implementation, it is not to any type of limit of the present invention
It is fixed.The combination of technical characteristic or technical characteristic described in the embodiment of the present invention is not construed as isolated, they can
Reach superior technique effect to be combined with each other.The range of the preferred embodiment for the present invention can also include other reality
It is existing, and this should be understood by person of ordinary skill in the field of the embodiment of the present invention.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely illustrative, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
The attached drawing of the present invention is using very simplified form and using non-accurate ratio, only to convenient, apparent
Ground aids in illustrating the purpose of the embodiment of the present invention, is not to limit the enforceable qualifications of the present invention.The modification of any structure,
The change of proportionate relationship or the adjustment of size, in the case where not influencing the effect of the invention that can be generated and the purpose that can reach,
It should fall in the range of disclosed technology contents can be covered.And the identical label generation appeared in attached drawing of the present invention
The identical feature of table or component, can be applied in different embodiments.
As shown in Figures 1 to 5, the present invention provides a kind of structure for being suitable for deep narrow structure inner concrete cast, including
The folding concrete deflector group that structure side plate 1 and structure lateral stiffening plate 2 is relied on to set；
The concrete deflector group includes several sequentially connected concrete deflectors；The concrete deflector group exhibition
If sequentially passing through the trepanning of stem structure lateral stiffening plate 2 after opening, and form fold-line-shaped structure；
The one side of the concrete deflector upward is provided with trench structure along its length；Corresponding to trench structure
Bottom, offers concrete deflector hole in the lower end of the concrete deflector, the trench structure on all concrete deflectors
And concrete deflector hole forms concrete guide flow path successively；
The upper end of the concrete deflector offers gas vent.
The present invention also provides a kind of device for being suitable for deep narrow structure inner concrete cast, including structure side plate 1 and knot
Structure lateral stiffening plate 2 and the folding concrete that existing structure side plate 1 and structure lateral stiffening plate 2 is relied on to set are led
Flowing plate group.
Concrete deflector group includes several sequentially connected concrete deflectors；After the expansion of concrete deflector group successively
Across the trepanning of several lateral stiffening plates 2, and form fold-line-shaped structure；Positioned at a concrete water conservancy diversion of fold-line-shaped structural top
Plate is top layer deflector 3, and a concrete deflector positioned at fold-line-shaped structural base is bottom deflector 5, positioned at fold-line-shaped
If the dry concrete deflector among structure is intermediate deflector 4.
For example and without limitation, after the expansion of concrete deflector group, if (intermediate positioned at intermediate dry concrete deflector
Deflector 4) both ends can be respectively supported on the madial wall of left and right two side plates 1 of structure.Preferably, it is mixed positioned at intermediate
The both ends of solidifying soil deflector (intermediate deflector 4) it is left, there are two the Support Position on 1 madial wall of side plate can be located at thereon
Under two neighboring structure lateral stiffening plate 2 centre.
For example and without limitation, after the expansion of concrete deflector group, if (intermediate positioned at intermediate dry concrete deflector
Deflector 4) both ends can be respectively supported on the structure lateral stiffening plate 2 neighbouring with it or at structure turning point or
On temporary support point；Because flowing is in weights above when supporting point stress only has concrete cast.
Further, the one side of concrete deflector upward is both provided with trench structure along its length；Corresponding to groove profile
The bottom of structure offers the concrete deflector hole to next stage water conservancy diversion, institute by concrete on the lower end of concrete deflector
There are trench structure and the concrete deflector hole on concrete deflector to form concrete guide flow path successively；Concrete deflector
Upper end offers gas vent, and air entrapment is discharged when being poured into a mould from bottom to top for concrete.For example and without limitation, concrete
Deflector hole can be round hole, and gas vent can be semi-circular hole.
The present invention working method be：
Concrete plows, and pass through upper level from up to down by the trench structure of each concrete deflector to flowing down successively
The concrete deflector hole of concrete deflector is flowed in the trench structure of next stage concrete deflector；It is so repeatedly downward step by step
After structural base, concrete to concrete deflector lower section and is filled to both sides diffusion process for trickling；Simultaneously by each
The gas vent discharge air entrapment opened up on concrete deflector.
Embodiment 1
As depicted in figs. 1 and 2, in the present embodiment, 2 length on high direction of all structure lateral stiffening plates it is identical and
The position of all trepannings is unanimous between the higher and lower levels, and the spacing between adjacent structure lateral stiffening plate 2 is identical, the length of all concrete deflectors
Degree is also identical；This setup is most simple.
Further, the both ends of intermediate deflector 4 are respectively supported on the madial wall of left and right two side plates 1；Preferred real
It applies in mode, the Support Position of the both ends of intermediate deflector 4 on 1 madial wall of left and right two side plates is located at neighbouring with it
Two structure lateral stiffening plates 2 centre.
Embodiment 2
As shown in figure 3, in the present embodiment, 2 length in the lateral direction of all structure lateral stiffening plates is identical, own
The position of opening of structure lateral stiffening plate 2 is unanimous between the higher and lower levels；As different from Example 1, between adjacent structure lateral stiffening plate 2
Spacing is not exactly the same, and the length of each concrete deflector is also not exactly the same.
The length of concrete deflectors at different levels can change according to the spacing between adjacent structure lateral stiffening plate 2, with
The centre that the turning point of two neighboring concrete deflector is located at adjacent two structures lateral stiffening plate 2 is advisable；In general, it passes through and phase
The length of the concrete deflector of the larger structure lateral stiffening plate 2 of the spacing of adjacent structure lateral stiffening plate 2 is longer.
Further, the both ends of intermediate deflector 4 are respectively supported on the madial wall of left and right two side plates 1；Preferred real
It applies in mode, the Support Position of the both ends of intermediate deflector 4 on 1 madial wall of left and right two side plates is located at neighbouring with it
Two structure lateral stiffening plates 2 centre.
Embodiment 3
As shown in figure 4, in the present embodiment, the incomplete phase of 2 length in the lateral direction of each structure lateral stiffening plate
Together, exist positioned at 2 length in the lateral direction of structure lateral stiffening plate of lower part more than superposed structure lateral stiffening plate 2
Length on left and right directions, while the position of opening of each structure lateral stiffening plate 2 is also not quite identical up and down, each concrete
The length of deflector is also not exactly the same.
The length of concrete deflectors at different levels can change according to the spacing between inside configuration adjacent transverse stiffener 2
Become, the centre of two lateral stiffening plate 2 of adjacent structure is located at the turning point of two neighboring concrete deflector to be advisable；In general, it wears
The length for crossing the concrete deflector of the structure lateral stiffening plate 2 larger with the spacing of adjacent transverse stiffener 2 is longer.
Further, the both ends of intermediate deflector 4 are respectively supported on the madial wall of left and right two side plates 1；Preferred real
It applies in mode, the Support Position of the both ends of intermediate deflector 4 on 1 madial wall of left and right two side plates is located at neighbouring with it
Two lateral stiffening plates 2 centre.
Embodiment 4
As shown in figure 5, in the present embodiment, the incomplete phase of 2 length in the lateral direction of each structure lateral stiffening plate
Together, exist positioned at 2 length in the lateral direction of structure lateral stiffening plate of lower part more than superposed structure lateral stiffening plate 2
Length on left and right directions, while the position of opening of each structure lateral stiffening plate 2 is also not quite identical up and down, each concrete
The length of deflector is also not exactly the same.
The length of concrete deflectors at different levels can change according to the spacing between inside configuration adjacent transverse stiffener 2
Become, the centre of two lateral stiffening plate 2 of adjacent structure is located at the turning point of two neighboring concrete deflector to be advisable；In general, it wears
The length for crossing the concrete deflector of the structure lateral stiffening plate 2 larger with the spacing of adjacent transverse stiffener 2 is longer.
Further, the both ends of superposed intermediate deflector 4 are respectively supported on the madial wall of left and right two side plates 1；
In a preferred embodiment, the Support Position of superposed intermediate deflector 4 can be located at two neighbouring with it
The centre of structure lateral stiffening plate 2.
As different from Example 3, in the present embodiment, it is respectively supported at positioned at the both ends of the intermediate deflector 4 of lower part
With its (aforementioned intermediate deflector 4) on neighbouring structure lateral stiffening plate 2.
Foregoing description is only the description to present pre-ferred embodiments, is not any restriction to the scope of the invention.Appoint
Any change or modification what those skilled in the art makes according to the technology contents of the disclosure above should all regard
For equivalent effective embodiment, the range of technical solution of the present invention protection is belonged to.
Claims (5)
1. a kind of structure for being suitable for deep narrow structure inner concrete cast, it is characterised in that：Including rely on structure side plate (1) and
The folding concrete deflector group of structure lateral stiffening plate (2) setting；
The concrete deflector group includes several sequentially connected concrete deflectors；After the concrete deflector group expansion
If sequentially passing through the trepanning of stem structure lateral stiffening plate (2), and form fold-line-shaped structure；
The one side of the concrete deflector upward is provided with trench structure along its length；Corresponding to the bottom of trench structure
Portion, offers concrete deflector hole in the lower end of the concrete deflector, trench structure on all concrete deflectors and
Concrete deflector hole forms concrete guide flow path successively；
The upper end of the concrete deflector offers gas vent.
2. a kind of device for being suitable for deep narrow structure inner concrete cast, including structure side plate (1) and structure lateral stiffening plate
(2), it is characterised in that：It further includes and structure side plate (1) and the folding concrete of structure lateral stiffening plate (2) setting is relied on to lead
Flowing plate group；
The concrete deflector group includes several sequentially connected concrete deflectors；After the concrete deflector group expansion
If sequentially passing through the trepanning of stem structure lateral stiffening plate (2), and form fold-line-shaped structure；
The one side of the concrete deflector upward is provided with trench structure along its length；Corresponding to the bottom of trench structure
Portion, offers concrete deflector hole in the lower end of the concrete deflector, trench structure on all concrete deflectors and
Concrete deflector hole forms concrete guide flow path successively；
The upper end of the concrete deflector offers gas vent.
3. the device according to claim 2 for being suitable for deep narrow structure inner concrete cast, it is characterised in that：It is described mixed
After solidifying soil deflector group expansion, if being respectively supported at left and right two structure sides positioned at the both ends of intermediate dry concrete deflector
On the madial wall of plate (1).
4. the device according to claim 3 for being suitable for deep narrow structure inner concrete cast, it is characterised in that：In being located at
Between Support Position of the both ends on left and right two structure side plates (1) madial wall of concrete deflector be located at and its phase up and down
The centre of two adjacent structure lateral stiffening plates (2).
5. the device according to claim 2 for being suitable for deep narrow structure inner concrete cast, it is characterised in that：It is described mixed
After solidifying soil deflector group expansion, if it is horizontal to be supported in the structure neighbouring with it positioned at the both ends of intermediate dry concrete deflector
On stiffener (2) or at structure turning point or on temporary support point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810076346.8A CN108179751A (en) | 2018-01-26 | 2018-01-26 | Suitable for structure, device and the design method of the cast of deep narrow structure inner concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810076346.8A CN108179751A (en) | 2018-01-26 | 2018-01-26 | Suitable for structure, device and the design method of the cast of deep narrow structure inner concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108179751A true CN108179751A (en) | 2018-06-19 |
Family
ID=62551384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810076346.8A Pending CN108179751A (en) | 2018-01-26 | 2018-01-26 | Suitable for structure, device and the design method of the cast of deep narrow structure inner concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108179751A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421786A (en) * | 2015-12-24 | 2016-03-23 | 山东送变电工程公司 | Large steel formwork firewall concrete pumping auxiliary equipment |
| CN205276882U (en) * | 2016-01-05 | 2016-06-01 | 武汉一冶钢结构有限责任公司 | Narrow and small space concrete placement guiding device |
| CN207846424U (en) * | 2018-01-26 | 2018-09-11 | 四川公路桥梁建设集团有限公司大桥工程分公司 | Structure and device suitable for the cast of deep narrow structure inner concrete |
-
2018
- 2018-01-26 CN CN201810076346.8A patent/CN108179751A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421786A (en) * | 2015-12-24 | 2016-03-23 | 山东送变电工程公司 | Large steel formwork firewall concrete pumping auxiliary equipment |
| CN205276882U (en) * | 2016-01-05 | 2016-06-01 | 武汉一冶钢结构有限责任公司 | Narrow and small space concrete placement guiding device |
| CN207846424U (en) * | 2018-01-26 | 2018-09-11 | 四川公路桥梁建设集团有限公司大桥工程分公司 | Structure and device suitable for the cast of deep narrow structure inner concrete |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107605177A (en) | The construction method of efficient precast floor slab and its independent support frame | |
| CN102587663A (en) | Concrete construction process of steel tube columns of super-high-rise building | |
| CN110158394A (en) | A kind of concrete ultra-flat terrace cutting-free constructing structure | |
| CN207829012U (en) | A kind of foundation pit support post is constructed with basement bottom board connecting node | |
| CN103696439B (en) | A kind of immersed tube pouring procedure | |
| CN207846424U (en) | Structure and device suitable for the cast of deep narrow structure inner concrete | |
| CN108505500A (en) | It is a kind of to tilt seamless spliced prefab-form and its installation method | |
| CN109267493A (en) | A kind of construction method installed across river steel lid beam | |
| CN107299764A (en) | A kind of concrete apparatus and construction method for being conveniently constructed the positioning of post cage bar | |
| CN207436503U (en) | Efficient construction of precast floorslab hangs membrane module | |
| CN104213728B (en) | Oblique beam for grandstand of stadium and construction process for oblique beam | |
| CN104818729B (en) | Can be for the mutual foundation of big or small tower crane conversion | |
| CN203904971U (en) | Reinforcement cage protective device capable of controlling necking, bar leakage and mud inclusion of underground diaphragm wall | |
| CN108179751A (en) | Suitable for structure, device and the design method of the cast of deep narrow structure inner concrete | |
| CN207419779U (en) | The more steel plate concrete shear wall structures of nuclear power plant | |
| CN206986918U (en) | A kind of asymmetric template for blower fan crab-bolt foundation grouting | |
| CN102747747A (en) | Construction method for installing underground lattice column | |
| CN106320343B (en) | A kind of building concrete, which pours, uses automatic positioning equipment | |
| CN205242407U (en) | A cluster pipe, chute combination system for deep basal pit concrete placement | |
| CN206233405U (en) | The attachment structure of shear wall and after-pouring concrete frame beam | |
| CN107964975A (en) | The PBL shear connectors connection structure and its construction method of steel pipe composite pile and cushion cap | |
| CN107299596A (en) | Support beam template system and its construction method under concrete support trestle plate | |
| CN207538506U (en) | The independent supporting rack of efficient construction of precast floorslab | |
| CN104453234A (en) | Variable-cross-section oversized annular structure construction method and self-compacting concrete adopted for same | |
| CN208328850U (en) | A kind of seamless spliced prefab-form of inclination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180619 |