CN106193329B - Concrete wall structure and its construction method - Google Patents
Concrete wall structure and its construction method Download PDFInfo
- Publication number
- CN106193329B CN106193329B CN201610743970.XA CN201610743970A CN106193329B CN 106193329 B CN106193329 B CN 106193329B CN 201610743970 A CN201610743970 A CN 201610743970A CN 106193329 B CN106193329 B CN 106193329B
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- lead screw
- vertical muscle
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 210000003205 muscle Anatomy 0.000 claims abstract description 62
- 238000010079 rubber tapping Methods 0.000 claims abstract description 39
- 239000002002 slurry Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 2
- 238000005345 coagulation Methods 0.000 claims 2
- 229920002472 Starch Polymers 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of concrete wall structures, comprising: concrete bodies；First vertical muscle；Its is prefabricated in concrete bodies；In concrete bodies, and the grouting channel that the prefabricated component at least by prefabricated in concrete bodies is formed；The grouting channel can also accommodate the second vertical muscle extended up below wall；And the feeding-passage and tapping channel be connected with grouting channel two sides；The feeding-passage and tapping channel also are located in concrete bodies.The present invention also provides the structures of wall assembly up and down and corresponding construction method realized using the concrete wall structure.
Description
Technical field
The present invention relates to building engineering field, especially a kind of concrete wall structure and its construction method.
Background technique
Currently, precast wall body is widely used in construction.A kind of common precast wall body includes multiple tracks phase
Mutual staggered vertical reinforcement and transverse steel are enclosed with concrete bodies on the outside of reinforcing bar, and vertical reinforcement and transverse steel are all from mixed
Solidifying soil body edge stretches out, and forms free end.In the construction process, two pieces of neighbouring walls are needed when combining by lower wall
The vertical reinforcement of the vertical reinforcement of body and upper wall is mutually bound in its free end, then carries out cast in situs again, this mistake
Journey was not only time-consuming and laborious, but also was easy to cause position deviation in process of binding, caused precast wall body connection built on the sand.
Summary of the invention
It is an object of the present invention to provide a kind of concrete wall structure, it is vertical in splicing that wall up and down can be removed from
The process of muscle binding realizes good wall merging precision up and down.
To achieve the goals above, in a first aspect, a kind of concrete wall structure provided in an embodiment of the present invention, comprising:
Concrete bodies；
First vertical muscle；Its is prefabricated in concrete bodies；
In concrete bodies, and the grouting channel that the prefabricated component at least by prefabricated in concrete bodies is formed；The filling
Slurry channel can also accommodate the second vertical muscle extended up below wall；And
The feeding-passage and tapping channel be connected with grouting channel two sides；The feeding-passage and tapping channel also are located at mixed
In the solidifying soil body.
Alternatively and preferably, the grouting channel is formed by following structure: prefabricated component is bonded with the first vertical muscle, is mixed
The solidifying soil body, which is poured, to be wrapped in form walls shape around prefabricated component and vertical muscle, and the bottom of the concrete bodies is equipped with
For the opening of prefabricated component extraction, so that the second vertical muscle extended up below wall can be accommodated by being formed after prefabricated component extraction
Space；There is the interface channel that can be connected in the space with feeding-passage and tapping channel in prefabricated component；
The space and the interface channel collectively form the grouting channel.
Alternatively and preferably, the prefabricated component is lead screw, lead screw ontology it is prefabricated in concrete bodies and with it is first vertical
Muscle fitting, and form the space after lead screw is screwed out from concrete bodies bottom and can accommodate second extended up below wall
The space of vertical muscle；The connection be connected with tapping channel and feeding-passage is offered respectively in the upper and lower part of lead screw ontology to lead to
Road.
Alternatively and preferably, the diameter of the lead screw is gradually become smaller from bottom to top by concrete bodies bottom.
Alternatively and preferably, the feeding-passage and the interface channel be connected with feeding-passage are located in concrete bodies
Lower part, the tapping channel and the interface channel be connected with tapping channel are located at the intracorporal top of concrete.
Alternatively and preferably, the tapping channel and the interface channel be connected with it are collectively formed with first charging aperture
With the channel of the first discharge port, wherein the height of the first discharge port be higher than first charging aperture height.
Alternatively and preferably, the interface channel that the feeding-passage communicates therewith is horizontally disposed in concrete bodies.
Alternatively and preferably, in the structure for forming the grouting channel, the prefabricated component and the first vertical muscle outside
Side is provided with the device of prefabricated component and the first vertical muscle binding and fixing.
Second aspect, the embodiment of the present invention provide a kind of concrete wall structure, including upper wall and lower wall, lower wall
Concrete floor and the seat pulp layer on concrete floor are provided between upper wall；Lower wall includes lower concrete bodies
With setting in the vertical muscle of lower concrete intracorporal second, upper wall includes:
Upper concrete bodies；
First vertical muscle；Its is prefabricated in upper concrete bodies；
In upper concrete bodies, and the grouting channel at least formed by the prefabricated prefabricated component in upper concrete bodies；Institute
The the second vertical muscle extended up from lower wall through concrete floor and seat pulp layer can be accommodated by stating grouting channel also；And
The feeding-passage and tapping channel be connected with grouting channel two sides；The feeding-passage and tapping channel also are located at
In concrete bodies.
The third aspect, the embodiment of the present invention provide a kind of concrete wall structure construction method, and this process employs first
Any possible wall body structure in aspect and second aspect, this method comprises:
Casting concrete forms wall around prefabricated component, and there are detach from wall for prefabricated component in wall bottom
Opening,
Prefabricated component is detached from wall bottom to form grouting channel；Wherein also being prefabricated in wall can be with the grouting
The feeding-passage and tapping channel of channel conductive；And
The vertical muscle extended up below wall is inserted into grouting channel, then using feeding-passage and tapping channel to
Grouting in grouting channel.
Concrete wall structure provided by the invention reserves one in the concrete bodies for constituting wall by prefabricated component
Space, on the one hand which can accommodate the vertical muscle extended up below wall, on the other hand also prefabricated in concrete bodies
Feeding-passage and tapping channel, and it is connected to it with the space, in this way, in the splicing of upper and lower wall, it is only necessary to will
The vertical muscle of lower wall is extend into space, is in the milk then along each channel into space, so that it may realize lower wall and upper wall
The vertical muscle of body pours, the process of binding for the vertical muscle removed from, additionally due to the position in space can be according to the position of prefabricated component
It sets in advance, therefore precision is higher than the mode for binding vertical muscle one by one.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of concrete wall structure provided by the embodiment of the present invention one；
Fig. 2 is the overlooking structure diagram of prefabricated component part in embodiment one；
Fig. 3 is the structural schematic diagram of lead screw in embodiment one；
Fig. 4 is the structural schematic diagram of concrete wall structure provided by the embodiment of the present invention two.
In figure:
1- concrete bodies；The vertical muscle of 2- first；The vertical muscle of 3- second；4- lead screw；5- steel wire；The space 6-；7- feeding-passage；
8- tapping channel；9- first passage；10- second channel；11- transfer passage；The upper wall of 12-；14- concrete floor；15- slurries
Layer；The upper concrete bodies of 121-；The vertical muscle of 122- first；123- grouting channel；The vertical muscle of 132- second.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
In the description of the present invention, it is to be understood that, if using term " center ", " longitudinal direction ", " transverse direction ", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
The limitation of bright protection scope.
In the description of the present invention, it is to be understood that, if using " first ", " second ", " third " and " the 4th " etc.
Word limits components, it is only for convenient for distinguishing to above-mentioned parts, does not have Stated otherwise such as, above-mentioned word is simultaneously
There is no particular meaning, therefore should not be understood as limiting the scope of the invention.
Embodiment one
Fig. 1-3 is please referred to, a kind of concrete wall structure that one embodiment of the present of invention provides, the structure is mainly by structure
At the concrete bodies 1 of wall main body, the first vertical muscle 2 wrapped up by concrete bodies 1 and prefabricated prefabricated in concrete bodies 1
Structure composition.Wherein, the main function of precast construction includes two aspects.In a first aspect, precast construction is used in concrete bodies
Form the space that can accommodate the vertical muscle 3 of second extended up from lower wall.Second aspect, precast construction are also used to be formed
For the channel of concrete slurry conducting, so that the second vertical muscle 3 is also wrapped after grouting.
In some embodiments, precast construction includes prefabricated component, the quantity of prefabricated component can be it is multiple, particular number according to
The size of unit wall selects.The position of two prefabricated components is shown in FIG. 1.Prefabricated component is arranged at predetermined intervals,
As long as can be corresponding with the position of the second vertical muscle 3 that lower section wall extends up.By around prefabricated component
Casting concrete can form wall, but it should be noted that reserve opening for prefabricated component extraction in bottom when pouring
Mouthful.The shape of prefabricated part body can be it is a variety of, in some embodiments, prefabricated component be lead screw 4, in this way, working as concreting
It will form naturally when around lead screw 4, in concrete bodies 1 and the 4 matched internal screw thread of surface external screw thread of lead screw.It is finished when pouring
Afterwards, rotating threaded shaft 4 can separate lead screw with concrete bodies 1, accommodate the second vertical muscle 3 to be formed in concrete bodies 4
Space.In some cases, concrete does not dismantle prefabricated component at once after the completion of pouring, but unified disassembly after needing to transport,
Lead screw 4 is understood because of it with helicitic texture without falling easily in transit at this time.Preferably, from the bottom of concrete bodies 1
Start, the diameter of lead screw 4 is incrementally decreased (from the space of Fig. 1 it is also seen that) from bottom to top, it is such be advantageous in that into
And lead screw 4 is screwed out from concrete bodies more laborsavingly.In addition, lead screw 4 is placing Shi Yu in some other embodiment
One vertical muscle 2 is bonded, can also be by binding device by the two binding and fixing in order to enable fitting is close.For example, can use
Steel wire 5, iron wire or other wires are wound along the outer peripheral surface of lead screw and the first vertical muscle 2, so that its relative position is tight
Admittedly will not be loose.Such benefit also reside in can vertical muscle the position positioning that is reference data to realize prefabricated component so that
The assembly precision of wall is higher.So far, the space 6 that can accommodate the second vertical muscle 3 has been obtained, in order to defeated into the space 6
Slurry is sent to realize the package to the second vertical muscle 3, on prefabricated component in some channels should be also set so that itself and the space
In conjunction with rear, the complete grouting access of formation.In some embodiments, grouting access includes three parts:
First part is feeding-passage 7, which is also prefabricated in concrete bodies 1.The side in the channel by into
Material mouth is conducting to outside concrete bodies 1, for injecting slurry.
Second part is tapping channel 8, and the channel is also prefabricated in concrete bodies 1, and the side in the channel passes through discharging
Mouth is conducting to outside concrete bodies 1, for extra slurry to be discharged.
Part III is the grouting channel docked respectively with feeding-passage 7 and tapping channel 8.The grouting channel first aspect
Including the above-mentioned space 6 for accommodating the second vertical muscle 3, second aspect includes interface channel, and interface channel is arranged in prefabricated component,
For example, communicating passage includes the first passage 9 through lead screw top, and runs through 4 lower part of lead screw when prefabricated component is lead screw 4
Second channel 10, wherein first passage 9 is docked with tapping channel 8, and second channel 10 is docked with feeding-passage 7.Certainly, one
In a little situations, second channel might not be through prefabricated part body.Such as two lead screws 4 shown in FIG. 1 are used as prefabricated component
When, the second channel 10 of 4 lower part of lead screw on right side is through 4 ontology of lead screw, its purpose is that making one end of second channel 10
Be connected with feeding-passage 7, the other end pass through again a transfer passage 11 (the channel essence also plays charging, therefore
It is properly termed as feeding-passage) it is formed by the conducting of space 6 with the lead screw 4 in left side, the second channel 10 of left side 4 bottom of lead screw at this time
An only hatch frame being conducting to inside space 6.Certainly, for the uniformity of mold during fabrication, can will own
The second channel 10 of 4 bottom of lead screw is designed as perforation, will not influence to pour the effect with slurry conducting in this way.In this way,
The space 6 and first passage 9 and second channel 10 that the second vertical muscle can be accommodated together form the grouting channel.
Slurry can be imported into the space 6 for accommodating the second vertical muscle by the channel that first passage 9 and tapping channel 8 are formed
In, herein, the mouth that first passage 9 and the space 6 are connected is known as first charging aperture, tapping channel 8 is conducted to concrete
Mouth outside body 1 is known as the first discharge port, preferably improves as one kind, in some embodiments, the height of the first discharge port
Higher than the height of first charging aperture, i.e., so that an incoming side from slurry is collectively formed to row in first passage 9 and tapping channel 8
Expect side gradually acclivitous channel.Designing in this way is advantageous in that, when conveying slurry, if first passage 9 and discharging are logical
Road 8 is all horizontal, and the speed of feeding is slower, then slurry is expelled directly out readily along horizontal direction, and do not have sufficiently,
The effect of Fast Filling grouting channel.Behind slanting channel, slurry will not be expelled directly out first along horizontal direction and go out
Material mouth, but can be accumulated in channel because of self gravitation effect, to realize the filling to grouting channel.In some embodiments,
The second channel 10 of bottom can be horizontal.
Embodiment two
Provided in this embodiment is a kind of using a kind of assembled wall body structure of institute's wall body structure of embodiment.I.e. at this
In embodiment, the structure of upper wall 12 and lower wall is the wall body structure of embodiment one kind, is further retouched in the present embodiment
State the assembled state of wall 12 and lower wall.As shown in figure 4, being provided with concrete floor 14 between lower wall and upper wall 12
And the seat pulp layer 15 on concrete floor 14；Lower wall includes lower concrete bodies and setting in lower concrete intracorporal the
Two vertical muscle 132, upper wall 12 include: upper concrete bodies 121；First vertical muscle 122；Its is prefabricated in upper concrete bodies 121；
In upper concrete bodies 121, and the grouting channel 123 at least formed by the prefabricated prefabricated component in upper concrete bodies 121；Institute
The the second vertical muscle extended up from lower wall through concrete floor 14 and seat pulp layer 15 can be accommodated by stating grouting channel 123 also
132；And the feeding-passage 7 and tapping channel 8 be connected with 123 two sides of grouting channel；The feeding-passage 7 and tapping channel 8
It also is located in concrete bodies 121.The implementation of all parts in upper wall 12 can a kind of correspondence of reference implementation example
Content, details are not described herein.
Embodiment three
The present embodiment provides a kind of construction methods of concrete wall structure, this method comprises:
Step 1: precast wall body
Prefabricated component and the first vertical muscle are bound first, in accordance with scheduled position, fed wherein being arranged according further to predetermined position
Channel and tapping channel offer the interface channel that can be connected with feeding-passage and tapping channel in prefabricated component.Then pre-
The outside concrete of product and the first vertical muscle is to form walls shape (referred to as upper wall).
Step 2: grouting
Prefabricated component is extracted out from wall, forms the space that can accommodate the second vertical muscle, the space is together with interface channel
Constitute grouting channel.
Concrete floor and seat pulp layer are set above lower wall, and the second of lower wall the vertical muscle is penetrated into grouting channel
In, then it is in the milk by feeding-passage, so that slurry is successively flowed along feeding-passage, grouting channel and tapping channel, until
Until filling up entire grouting channel, that is, complete the splicing of wall and lower wall.
In the present embodiment, the portions such as the prefabricated component of use, grouting channel, feeding-passage, tapping channel and communicating passage
The implementation of part may each be the embodiment in embodiment one or embodiment two, repeat no more in the present embodiment.
A kind of concrete wall structure provided by the present invention and its construction method are described in detail above.Herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection scope that benefit requires.
Claims (8)
1. a kind of concrete wall structure characterized by comprising
Concrete bodies；
First vertical muscle；Its is prefabricated in concrete bodies；
In concrete bodies, and the grouting channel that the prefabricated component at least by prefabricated in concrete bodies is formed；The grouting is logical
Road can also accommodate the second vertical muscle extended up below wall；And
The feeding-passage and tapping channel be connected with grouting channel two sides；The feeding-passage and tapping channel also are located at concrete
In vivo；
The prefabricated component is lead screw, and the grouting channel is formed by following structure: lead screw ontology is bonded with the first vertical muscle, is mixed
The solidifying soil body, which is poured, to be wrapped in around lead screw and the first vertical muscle to form walls shape, and the bottom of the concrete bodies is set
There is the opening screwed out for lead screw, so that lead screw is formed after screwing out can accommodate the second vertical muscle extended up below wall
Space；The upper and lower part of lead screw ontology offers the interface channel be connected with tapping channel and feeding-passage, the sky respectively
Between with the interface channel collectively form the grouting channel.
2. concrete wall structure according to claim 1, which is characterized in that the straight Gui of the lead screw is by concrete bodies bottom
Portion gradually becomes smaller from bottom to top.
3. concrete wall structure according to claim 1, which is characterized in that the feeding-passage and and feeding-passage
The interface channel of conducting is located at the intracorporal lower part of concrete, the tapping channel and the interface channel position be connected with tapping channel
In the intracorporal top of concrete.
4. concrete wall structure according to claim 3, which is characterized in that the tapping channel and the company be connected with it
Connect road the channel with first charging aperture and the first discharge port is collectively formed, wherein the height of the first discharge port be higher than first into
The height of material mouth.
5. concrete wall structure according to claim 4, which is characterized in that the connection that the feeding-passage communicates therewith
Channel is horizontally disposed in concrete bodies.
6. concrete wall structure according to claim 1 to 4, which is characterized in that forming the grouting channel
In structure, it is provided on the outside of the prefabricated component and the first vertical muscle by the device of prefabricated component and the first vertical muscle binding and fixing.
7. a kind of concrete wall structure, including upper wall and lower wall, are provided with concrete building between lower wall and upper wall
Plate and the seat pulp layer on concrete floor；Lower wall includes lower concrete bodies and is arranged in lower concrete intracorporal second
Vertical muscle, upper wall include:
Upper concrete bodies；
First vertical muscle；Its is prefabricated in upper concrete bodies；
In upper concrete bodies, and the grouting channel at least formed by the prefabricated prefabricated component in upper concrete bodies；The filling
Slurry channel can also accommodate the second vertical muscle extended up from lower wall through concrete floor and seat pulp layer；And
The feeding-passage and tapping channel be connected with grouting channel two sides；The feeding-passage and tapping channel also are located at coagulation
In the soil body；
The prefabricated component is lead screw, and the grouting channel is formed by following structure: lead screw ontology is bonded with the first vertical muscle, on
Concrete bodies, which are poured, to be wrapped in around lead screw and the first vertical muscle to form walls shape, and the bottom of the upper concrete bodies
Portion is equipped with the opening screwed out for lead screw, starches from lower wall through concrete floor and seat so that lead screw forms to accommodate after screwing out
The space for the second vertical muscle that layer extends up；The upper and lower part of lead screw ontology offers logical with tapping channel and charging respectively
The interface channel of road conducting, the space and the interface channel collectively form the grouting channel.
8. a kind of concrete wall structure construction method, comprising:
Casting concrete forms wall around prefabricated component, and there are what is detached from wall for prefabricated component to open in wall bottom
Mouthful,
Prefabricated component is detached from wall bottom to form grouting channel；Wherein also being prefabricated in wall can be with the grouting channel
The feeding-passage and tapping channel of conducting；And
The vertical muscle extended up below wall is inserted into grouting channel, then utilizes feeding-passage and tapping channel to grouting
It is in the milk in channel；
The prefabricated component is lead screw, and the grouting channel is formed by the following method: lead screw ontology is bonded with the first vertical muscle, coagulation
Soil is poured is wrapped in around lead screw and the first vertical muscle to form wall, and there are screw out for lead screw for the wall bottom
Opening, so that lead screw forms the space that can accommodate the second vertical muscle extended up below wall after screwing out；Lead screw ontology
Upper and lower part offer the interface channel be connected with tapping channel and feeding-passage respectively, the space and the connection are logical
Road collectively forms the grouting channel.
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| CN201610743970.XA CN106193329B (en) | 2016-08-29 | 2016-08-29 | Concrete wall structure and its construction method |
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| CN106193329B true CN106193329B (en) | 2019-03-15 |
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| CN104453015A (en) * | 2014-11-19 | 2015-03-25 | 沈阳建筑大学 | Reinforcing bar splicing connection component comprising thin-wall sleeves constrained by spiral bars |
| CN204571002U (en) * | 2014-12-29 | 2015-08-19 | 华北水利水电大学 | A kind of formula that is vertically linked and packed concrete shear force wall of pre-buried bellows pore-forming |
| CN105863049A (en) * | 2016-05-26 | 2016-08-17 | 南京长江都市建筑设计股份有限公司 | Prefabricated assembled integral framework column bottom grouting structure |
| CN205935233U (en) * | 2016-08-29 | 2017-02-08 | 朱凤起 | Concrete wall structure |
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