CN107975152A - The ductility connecting structure and construction method of first floor vertical member and basement roof - Google Patents
The ductility connecting structure and construction method of first floor vertical member and basement roof Download PDFInfo
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- CN107975152A CN107975152A CN201711485717.XA CN201711485717A CN107975152A CN 107975152 A CN107975152 A CN 107975152A CN 201711485717 A CN201711485717 A CN 201711485717A CN 107975152 A CN107975152 A CN 107975152A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 210000003205 muscle Anatomy 0.000 claims abstract description 111
- 239000011440 grout Substances 0.000 claims abstract description 102
- 239000004567 concrete Substances 0.000 claims abstract description 67
- 239000011150 reinforced concrete Substances 0.000 claims description 79
- 229910000831 Steel Inorganic materials 0.000 claims description 61
- 239000010959 steel Substances 0.000 claims description 61
- 238000011065 in-situ storage Methods 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 238000009955 starching Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 238000007569 slipcasting Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 108010068370 Glutens Proteins 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000021312 gluten Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of first floor vertical member and the ductility connecting structure and construction method of basement roof, using prefabricated armored concrete vertical member as first floor vertical member, and by the pre-buried grout sleeve of cast-in-place basement roof, on the premise of muscle is indulged using grout sleeve connection first floor stress and indulges muscle with ground lower stress, realize and ductility connection is formed between first floor vertical member and build-in layer, so that first floor vertical member has enough plastic deformation abilities, to ensure that first floor vertical member can reach specification Expected Results under severe earthquake action, into mecystasis and form plastic hinge, effectively raise the security of building, therefore, the present invention can improve the security of building, and solve in the prior art first floor vertical member should not it is prefabricated and need it is cast-in-place caused by limitation, effectively raise construction efficiency.
Description
Technical field
The present invention relates to a kind of first floor vertical member and the ductility connecting structure and construction method of basement roof.
Background technology
Precast reinforced concrete structure has had more practical application and more in developed countries such as America and Europe, Japan
Ripe technical research.Compared with traditional cast-in-place concrete, the craft at the precast reinforced concrete structure scene of can reducing
Work and wet construction, construction speed is fast, small to surrounding environment influence, and the quality of prefabricated components is easy to control, and the entirety of project is applied
Working medium amount is easier to ensure.
The research built with China to prefabricated assembled concrete is with wideling popularize, and prefabricated concrete structure is in China
Significant progress is obtained.
The connection of prefabricated components is one of key technique for influencing structure safety in prefabricated concrete structure.For height
Layer precast reinforced concrete structure, since the first floor is critically important to the anti-seismic performance of structure entirety, and the first floor is often due to building
The needs of function, it is less regular, therefore professional standard and each place code propose, in assembled integral concrete frame structure
First floor column preferably uses cast-in-place concrete.With the development of prefabricated concrete structure, further to reduce situ wet operation, accelerating
Construction speed, reduces the influence to surrounding environment, and for the relatively regular building of the first floor, its first floor column can be significantly using prefabricated components
Improve the construction efficiency of the first floor.
" ductility connection " refers to structure under geological process, and connecting portion, which can enter mecystasis and have, to be met the requirements
Plastic deformation ability connection.For make its meet plastic deformation requirement it is necessary to cause connecting portion formed plastic hinge.For
Frame structure, first floor column bottom need to enter mecystasis and form plastic hinge in the development mechanism of plastic deformation, and current assembled
The type of attachment of building be column bottom grout sleeve by the bar connecting of levels, it is difficult to connecting portion formed plastic hinge.For
The technical problem that prefabricated concrete structure first floor column is connected with basement roof ductility is solved, one kind is used for assembly concrete
The ductility interconnection technique of structural column and basement roof with regard to it is particularly important that.
The content of the invention
The technical problems to be solved by the invention are：The ductility connection of a kind of first floor vertical member and basement roof is provided
Construction and construction method.
Above-mentioned technical problem is solved, the technical solution adopted in the present invention is as follows：
A kind of ductility connecting structure of first floor vertical member and basement roof, including the underground being sequentially arranged from the bottom to top
Room cast-in-situ steel reinforced concrete vertical member, first floor cast-in-situ steel reinforced concrete beam, cast-in-place basement roof and first floor vertical member, its
In, the stress of the basement cast-in-situ steel reinforced concrete vertical member is indulged into muscle referred to as lower stress and indulges muscle, by the first floor
The stress of vertical member, which indulges muscle and is referred to as first floor stress, indulges muscle, and the quantity that the first floor stress indulges muscle corresponds to described ground lower stress
Vertical muscle；It is characterized in that：The cast-in-place basement roof is embedded with the grouting set that quantity indulges muscle corresponding to the first floor stress
Cylinder, the grouting port and thick liquid discharge mouth of the grout sleeve are before the cast-in-place basement roof is embedded in advance by closure, often
The upper end that a piece described ground lower stress indulges muscle is fitted into the lower connectivity port of a grout sleeve, described in each
Expose in the concrete upper surface of the cast-in-place basement roof and keep concordant in the upper connectivity port of grout sleeve；Described
First floor vertical member is prefabricated armored concrete vertical member, and the lower end that the first floor stress indulges muscle is vertical from the first floor
The concrete lower face of component is stretched out, and the lower end that each first floor stress indulges muscle is inserted into the upper company of corresponding grout sleeve
Connect in port, and each first floor stress indulges the lower end of muscle by being poured into the grouting by the upper connectivity port
The grouting material of sleeve realizes the connection with corresponding grout sleeve so that each first floor stress indulges muscle by described in one
Grout sleeve indulges muscle with corresponding described ground lower stress and is connected；Also, the lower face of the first floor vertical member with it is described cast-in-place
Gap is left between the concrete upper surface of basement roof, which is equipped with concrete slurry seal layer.
As the preferred embodiment of the present invention：The basement cast-in-situ steel reinforced concrete vertical member is cast-in-place steel
Reinforced concrete frame column, and the first floor vertical member is prefabricated reinforced concrete frame column.
As the preferred embodiment of the present invention：The basement cast-in-situ steel reinforced concrete vertical member is cast-in-place steel
Reinforced concrete shear wall, the first floor vertical member are prefabricated reinforced concrete shear wall
As the preferred embodiment of the present invention：The grout sleeve is full grout sleeve, i.e.,：The each first floor
Stress indulges the lower end of muscle and each described ground lower stress indulges the upper end of muscle by the grouting material and corresponding grouting
Sleeve connection.
As the preferred embodiment of the present invention：The grout sleeve is half grout sleeve, i.e.,：The grout sleeve
Lower connectivity port is screw thread port, and each described ground lower stress indulges the upper end of muscle and the lower connecting pin of corresponding grout sleeve
Mouth is threadedly coupled, and the lower end that each first floor stress indulges muscle is connected by the grouting material with corresponding grout sleeve
Connect.
A kind of ductility connection construction method of first floor vertical member and basement roof, it is characterised in that：The ductility
Connection construction method includes：
Step 1: in factory, first floor vertical member is prepared, which is the prefabricated vertical structure of armored concrete
Part, indulges muscle by the stress of the first floor vertical member and is referred to as first floor stress and indulge muscle, the first floor stress indulge the lower end of muscle from
The concrete lower face of the first floor vertical member is stretched out；
Step 2: at the construction field (site), the reinforcing bar of basement cast-in-situ steel reinforced concrete vertical member, first floor cast in place reinforced bar are mixed
The reinforcing bar binding of the reinforcing bar and cast-in-place basement roof of solidifying Tu Liang is in place, wherein, the basement cast-in-situ steel reinforced concrete is vertical
Component, first floor cast-in-situ steel reinforced concrete beam and cast-in-place basement roof are sequentially arranged from the bottom to top, by the cast-in-place steel of the basement
The stress of reinforced concrete vertical member indulges muscle referred to as lower stress and indulges muscle, and described ground lower stress indulges the quantity of muscle corresponding to described
First floor stress indulges muscle；Also, installation number corresponds to the grout sleeve that the first floor stress indulges muscle so that each underground
The upper end that stress indulges muscle is fitted into the lower connectivity port of a grout sleeve, and the upper connection of the grout sleeve
Port, grouting port and thick liquid discharge mouth are got up by closure；
Step 3: pour the concrete for smashing the basement cast-in-situ steel reinforced concrete vertical member, first floor cast in place reinforced bar coagulation
The concrete of the concrete of Tu Liang and cast-in-place basement roof so that each described grout sleeve is embedded in the cast-in-place underground
In the concrete of ceiling plate, the upper connectivity port of each grout sleeve is in the concrete of the cast-in-place basement roof
Upper surface exposes and keeps concordant, to form the basement cast-in-situ steel reinforced concrete vertical member, first floor cast in place reinforced bar coagulation
Tu Liang and cast-in-place basement roof；
Step 4: treat the concrete of the basement cast-in-situ steel reinforced concrete vertical member, first floor cast-in-situ steel reinforced concrete
After the concrete of the concrete of beam and cast-in-place basement roof reaches predetermined strength, the upper connectivity port of the grout sleeve is removed
Closure, and the first floor vertical member is lifted to the top of the cast-in-place basement roof so that each first floor
The lower end that stress indulges muscle is directed at corresponding grout sleeve；
Step 5: grouting material is poured into the inner cavity of each grout sleeve by the upper connectivity port；
Step 6: before the grouting material starts solidification, each first floor stress of the first floor vertical member is indulged into muscle
The corresponding grout sleeve of lower end insertion upper connectivity port in so that each first floor stress indulges muscle by an institute
State grout sleeve and indulge muscle with corresponding described ground lower stress and be connected；Also, make the lower face of the first floor vertical member with it is described
Gap is left between the concrete upper surface of cast-in-place basement roof；
Step 6: irrigating the grouting material into the gap, and smooth out the first floor vertical member and cast-in-place basement
Joint face between top plate, to form concrete slurry seal layer.
As the preferred embodiment of the present invention：The basement cast-in-situ steel reinforced concrete vertical member is cast-in-place steel
Reinforced concrete frame column, and the first floor vertical member is prefabricated reinforced concrete frame column.
As the preferred embodiment of the present invention：The basement cast-in-situ steel reinforced concrete vertical member is cast-in-place steel
Reinforced concrete shear wall, the first floor vertical member are prefabricated reinforced concrete shear wall
As the preferred embodiment of the present invention：The grout sleeve is full grout sleeve, i.e.,：The each first floor
Stress indulges the lower end of muscle and each described ground lower stress indulges the upper end of muscle by the grouting material and corresponding grouting
Sleeve connection.
As the preferred embodiment of the present invention：The grout sleeve is half grout sleeve, i.e.,：The grout sleeve
Lower connectivity port is screw thread port, and each described ground lower stress indulges the upper end of muscle and the lower connecting pin of corresponding grout sleeve
Mouth is threadedly coupled, and the lower end that each first floor stress indulges muscle is connected by the grouting material with corresponding grout sleeve
Connect.
Compared with prior art, the invention has the advantages that：
First, ductility connecting structure of the invention, using prefabricated armored concrete vertical member as the vertical structure of the first floor
Part, and by the pre-buried grout sleeve of cast-in-place basement roof, using grout sleeve connection first floor stress indulge muscle and underground by
On the premise of power indulges muscle, first floor vertical member and build-in layer (including basement cast-in-situ steel reinforced concrete vertical member, head are realized
Layer cast-in-situ steel reinforced concrete beam, cast-in-place basement roof) between form ductility connection so that first floor vertical member has enough
Plastic deformation ability, to ensure that first floor vertical member can reach specification Expected Results under severe earthquake action, into mecystasis simultaneously
Plastic hinge is formed, effectively raises the security of building, therefore, the present invention can improve the security of building, and solve
In the prior art first floor vertical member should not it is prefabricated and need it is cast-in-place caused by limitation, effectively raise construction efficiency.
Second, ductility connection construction method of the invention, can realize first floor vertical member and build-in layer (including basement
Cast-in-situ steel reinforced concrete vertical member, first floor cast-in-situ steel reinforced concrete beam, cast-in-place basement roof) between ductility connection, really
The first floor of connection first floor vertical member can also be played after grout sleeve is protected in the concrete for being embedded in cast-in-place basement roof in advance
Stress indulges the effect of muscle, and the equal mature and reliable of each step of the construction method, and employs fabricated construction and realize the first floor
The installation of vertical member so that overall construction efficiency is high, construction quality can be guaranteed.
3rd, ductility connection construction method of the invention, saves the grouting time of grout sleeve, nothing in the construction process
Traditional point storehouse or the grouting pattern by root from grouting port slip casting need to be deferred to, by grouting material being poured into by upper connectivity port
Starch the mode in the inner cavity of sleeve so that the slip casting of grout sleeve is more convenient, and grouting quality is easier to be guaranteed.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the structure diagram of the ductility connecting structure of the present invention；
Fig. 2 be in the present invention first floor stress indulge muscle by grout sleeve with lower stress indulge the structure diagram that muscle is connected.
Embodiment
As depicted in figs. 1 and 2, it is disclosed by the invention be a kind of first floor vertical member and basement roof ductility connection structure
Make, including be sequentially arranged from the bottom to top basement cast-in-situ steel reinforced concrete vertical member 1, first floor cast-in-situ steel reinforced concrete beam 2,
Cast-in-place basement roof 3 and first floor vertical member 4, wherein, the stress of basement cast-in-situ steel reinforced concrete vertical member 1 is indulged into muscle
Referred to as lower stress indulges muscle 11, the stress of first floor vertical member 4 is indulged muscle is referred to as first floor stress and indulge muscle 41, first floor stress is indulged
The quantity of muscle 41 corresponds to ground lower stress and indulges muscle 11.
The present invention inventive concept be：Cast-in-place basement roof 3 is embedded with the filling that quantity indulges muscle 41 corresponding to first floor stress
Starch sleeve 5, the grouting port 5c and thick liquid discharge mouth 5d of grout sleeve 5 before cast-in-place basement roof 3 is embedded in advance by closure,
The upper end that each ground lower stress indulges muscle 11 is fitted into the lower connectivity port 5b of a grout sleeve 5, each grouting
The upper connectivity port 5a of sleeve 5 exposes in the concrete upper surface of cast-in-place basement roof 3 and keeps concordant；The vertical structure of the first floor
Part 4 is the armored concrete vertical member being prefabricated in the factory, and first floor stress indulges lower end the mixing from first floor vertical member 4 of muscle 41
Solidifying soil lower face is stretched out, and the lower end that each first floor stress indulges muscle 41 is inserted into the upper connectivity port 5a of corresponding grout sleeve 5
In, and each first floor stress indulges grouting material of the lower end of muscle 41 by being poured into grout sleeve 5 by upper connectivity port 5a
Realize and the connection of corresponding grout sleeve 5 so that each first floor stress indulge muscle 41 by a grout sleeve 5 with it is corresponding
Ground lower stress indulges muscle 11 and is connected；Also, the lower face of first floor vertical member 4 and the concrete upper surface of cast-in-place basement roof 3
Between leave gap, which is equipped with concrete slurry seal layer 6.
So as to ductility connecting structure of the invention, using prefabricated armored concrete vertical member as the vertical structure of the first floor
Part 4, and by the pre-buried grout sleeve 5 of cast-in-place basement roof 3, using grout sleeve 5 connect first floor stress indulge muscle 41 with
On the premise of ground lower stress indulges muscle 11, realizing first floor vertical member 4 and build-in layer, (including basement cast-in-situ steel reinforced concrete erects
To component 1, first floor cast-in-situ steel reinforced concrete beam 2, cast-in-place basement roof 3) between formed ductility connection so that the vertical structure of the first floor
Part 4 has enough plastic deformation abilities, to ensure that first floor vertical member 4 can reach specification Expected Results under severe earthquake action,
Into mecystasis and plastic hinge is formed, effectively raises the security of building, therefore, the present invention can improve the peace of building
Quan Xing, and solve in the prior art first floor vertical member 4 should not it is prefabricated and need it is cast-in-place caused by limitation, it is effective to improve
Construction efficiency.
On the basis of foregoing invention design, the present invention uses following preferable structure：
The present invention is suitable for frame structure, i.e.,：Basement cast-in-situ steel reinforced concrete vertical member 1 is cast-in-place reinforced concrete
Native frame column, and first floor vertical member 4 is prefabricated reinforced concrete frame column.
The present disclosure applies equally to precast concrete shear wall structure and frame shear wall structure, i.e.,：The cast-in-place steel of basement
Reinforced concrete vertical member 1 is cast-in-place reinforced concrete shear wall, and first floor vertical member 4 is prefabricated steel reinforced concrete shearing force
Wall
As the preferred embodiment of the present invention：Grout sleeve 5 is full grout sleeve, i.e.,：Each first floor stress indulges muscle
The upper end that 41 lower end and each ground lower stress indulge muscle 11 is connected by grouting material with corresponding grout sleeve 5.
As the preferred embodiment of the present invention：Grout sleeve 5 is half grout sleeve, i.e.,：The lower connecting pin of grout sleeve 5
Mouth 5b is screw thread port, and each ground lower stress indulges the upper end of muscle 11 and the lower connectivity port 5b spiral shells of corresponding grout sleeve 5
Line connects, and the lower end that each first floor stress indulges muscle 41 is connected by grouting material with corresponding grout sleeve 5.
The invention also discloses a kind of ductility connection construction method of first floor vertical member and basement roof, including：
Step 1: in factory, first floor vertical member 4 is prepared, the first floor vertical member 4 is vertical for prefabricated armored concrete
Component, indulges muscle by the stress of first floor vertical member 4 and is referred to as first floor stress and indulge muscle 41, and first floor stress indulges the lower end of muscle 41 from head
The concrete lower face of layer vertical member 4 is stretched out；
Step 2: at the construction field (site), by the reinforcing bar of basement cast-in-situ steel reinforced concrete vertical member 1, first floor cast in place reinforced bar
The binding of the reinforcing bar of the reinforcing bar of beams of concrete 2 and cast-in-place basement roof 3 is in place, including the vertical structure of basement cast-in-situ steel reinforced concrete
The ground lower stress of part 1 indulges muscle 11 and stirrup etc., the bottom muscle 21 of first floor cast-in-situ steel reinforced concrete beam 2 and gluten 22 etc., cast-in-place underground
Gluten and bottom muscle 31 of ceiling plate 3 etc., wherein, basement cast-in-situ steel reinforced concrete vertical member 1, first floor cast-in-situ steel reinforced concrete
Beam 2 and cast-in-place basement roof 3 are sequentially arranged from the bottom to top, and the stress of basement cast-in-situ steel reinforced concrete vertical member 1 is indulged
Muscle referred to as lower stress indulges muscle 11, and the quantity that ground lower stress indulges muscle 11 indulges muscle 41 corresponding to first floor stress；Also, installation number
The grout sleeve 5 of muscle 41 is indulged corresponding to first floor stress so that the upper end that each ground lower stress indulges muscle 11 fits into one
In the lower connectivity port 5b of grout sleeve 5, and upper connectivity port 5a, grouting port 5c and the thick liquid discharge mouth 5d of grout sleeve 5 are sealed
Block up, when being poured to avoid the concrete of cast-in-place basement roof 3, concrete slurry is flowed into grout sleeve 5；
Step 3: pour the concrete for smashing basement cast-in-situ steel reinforced concrete vertical member 1, first floor cast-in-situ steel reinforced concrete beam
The concrete of 2 concrete and cast-in-place basement roof 3 so that each grout sleeve 5 is embedded in cast-in-place basement roof 3
In concrete, the upper connectivity port 5a of each grout sleeve 5 exposes simultaneously in the concrete upper surface of cast-in-place basement roof 3
Keep concordant, to form basement cast-in-situ steel reinforced concrete vertical member 1, first floor cast-in-situ steel reinforced concrete beam 2 and cast-in-place underground
Ceiling plate 3；
Step 4: treat the concrete of basement cast-in-situ steel reinforced concrete vertical member 1, first floor cast-in-situ steel reinforced concrete beam 2
Concrete and cast-in-place basement roof 3 concrete reach predetermined strength after, remove the upper connectivity port 5a of grout sleeve 5
Closure, and first floor vertical member 4 is lifted to the top of cast-in-place basement roof 3 so that each first floor stress indulges muscle 41
Lower end is directed at corresponding grout sleeve 5；
Step 5: grouting material is poured into the inner cavity of each grout sleeve 5 by upper connectivity port 5a, treat that grouting material fills
It is full of behind the inner cavity of grout sleeve 5 and stops；
Step 6: before grouting material starts solidification, each first floor stress of first floor vertical member 4 is indulged into the lower end of muscle 41
In the upper connectivity port 5a of the corresponding grout sleeve 5 of head insertion so that each first floor stress is indulged muscle 41 and covered by a grouting
Cylinder 5 indulges muscle 11 with corresponding ground lower stress and is connected；Also, by being spread between first floor vertical member 4 and cast-in-place basement roof 3
If usual ways such as cushion blocks, make to stay between the lower face of first floor vertical member 4 and the concrete upper surface of cast-in-place basement roof 3
There is gap；At this time, the verticality of first floor vertical member 4 is adjusted, by setting support to fix first floor vertical member 4；
Step 6: irrigating grouting material into gap, and smooth out between first floor vertical member 4 and cast-in-place basement roof 3
Joint face, to form concrete slurry seal layer 6；After treating that whole grouting materials reach predetermined strength, the branch that abovementioned steps are set is removed
Support, that is, complete the ductility connection between first floor vertical member 4 and cast-in-place basement roof 3.
So as to, ductility connection construction method of the invention, first floor vertical member 4 and build-in layer (including underground can be realized
Room cast-in-situ steel reinforced concrete vertical member 1, first floor cast-in-situ steel reinforced concrete beam 2, cast-in-place basement roof 3) between ductility connect
Connect, it is ensured that grout sleeve 5 in the concrete for being embedded in cast-in-place basement roof 3 in advance after can also play connection first floor vertical member
4 first floor stress indulges the effect of muscle 41, and the equal mature and reliable of each step of the construction method, and employs fabricated construction
Realize the installation of first floor vertical member 4 so that overall construction efficiency is high, construction quality can be guaranteed.
Also, due to the present invention ductility connection construction method, when saving the grouting of grout sleeve 5 in the construction process
Between, without deferring to traditional point storehouse or grouting pattern by root from grouting port 5c slip castings, by that will be in the milk by upper connectivity port 5a
Material is poured into the mode in the inner cavity of grout sleeve 5 so that the slip casting of grout sleeve 5 is more convenient, and grouting quality is more
It is readily obtained guarantee.
In addition, the ductility connection construction method of the present invention, can equally use above-mentioned first floor vertical member and underground ceiling
The preferred structure of the ductility connecting structure of plate.
The present invention is not limited to above-mentioned embodiment, according to the above, according to the ordinary technical knowledge of this area
And customary means, under the premise of the above-mentioned basic fundamental thought of the present invention is not departed from, the present invention can also make other diversified forms
Equivalent modifications, replacement or change, all fall among protection scope of the present invention.
Claims (10)
1. the ductility connecting structure of a kind of first floor vertical member and basement roof, including the basement being sequentially arranged from the bottom to top
Cast-in-situ steel reinforced concrete vertical member (1), first floor cast-in-situ steel reinforced concrete beam (2), cast-in-place basement roof (3) and the first floor are vertical
Component (4), wherein, the stress of the basement cast-in-situ steel reinforced concrete vertical member (1) is indulged into muscle referred to as lower stress and is indulged
Muscle (11), indulges muscle by the stress of the first floor vertical member (4) and is referred to as first floor stress and indulge muscle (41), the first floor stress indulges muscle
(41) quantity indulges muscle (11) corresponding to described ground lower stress；It is characterized in that：The cast-in-place basement roof (3) is embedded with
Quantity corresponds to the grout sleeve (5) that the first floor stress indulges muscle (41), the grouting port (5c) of the grout sleeve (5) and plasma discharge
Mouth (5d) has indulged muscle before the cast-in-place basement roof (3) is embedded in advance by closure, each described ground lower stress
(11) upper end is fitted into the lower connectivity port (5b) of a grout sleeve (5), each described grout sleeve
(5) expose in the concrete upper surface of the cast-in-place basement roof (3) and keep concordant in upper connectivity port (5a)；It is described
First floor vertical member (4) be prefabricated armored concrete vertical member, the first floor stress indulges the lower end of muscle (41) from institute
The concrete lower face for stating first floor vertical member (4) is stretched out, and the lower end that each first floor stress indulges muscle (41) is inserted into
In the upper connectivity port (5a) of corresponding grout sleeve (5), and the lower end that each first floor stress indulges muscle (41) passes through
The grouting material realization of the grout sleeve (5) and the connection of corresponding grout sleeve (5) are poured into by the upper connectivity port (5a),
So that each first floor stress is indulged muscle (41) and is indulged by a grout sleeve (5) with corresponding described ground lower stress
Muscle (11) is connected；Also, on the concrete of the lower face of the first floor vertical member (4) and the cast-in-place basement roof (3)
Gap is left between end face, which is equipped with concrete slurry seal layer (6).
2. the ductility connecting structure of first floor vertical member and basement roof according to claim 1, it is characterised in that：It is described
Basement cast-in-situ steel reinforced concrete vertical member (1) be cast-in-place reinforced concrete frame column, and the vertical structure of the first floor
Part (4) is prefabricated reinforced concrete frame column.
3. the ductility connecting structure of first floor vertical member and basement roof according to claim 1, it is characterised in that：It is described
Basement cast-in-situ steel reinforced concrete vertical member (1) be cast-in-place reinforced concrete shear wall, the first floor vertical member
(4) it is prefabricated reinforced concrete shear wall.
4. according to first floor vertical member described in claims 1 to 3 any one and the ductility connecting structure of basement roof, it is special
Sign is：The grout sleeve (5) is full grout sleeve, i.e.,：The each first floor stress indulge muscle (41) lower end and
The upper end that each described ground lower stress indulges muscle (11) is connected by the grouting material with corresponding grout sleeve (5).
5. according to first floor vertical member described in claims 1 to 3 any one and the ductility connecting structure of basement roof, it is special
Sign is：The grout sleeve (5) is half grout sleeve, i.e.,：The lower connectivity port (5b) of the grout sleeve (5) is interior spiral shell
Line port, each described ground lower stress indulge the upper end of muscle (11) and lower connectivity port (5b) spiral shell of corresponding grout sleeve (5)
Line connects, and each first floor stress indulges the lower end of muscle (41) by the grouting material and corresponding grout sleeve (5)
Connection.
6. a kind of ductility connection construction method of first floor vertical member and basement roof, it is characterised in that：The ductility connects
Connecing construction method includes：
Step 1: in factory, first floor vertical member (4) is prepared, the first floor vertical member (4) is vertical for prefabricated armored concrete
Component, indulges muscle by the stress of the first floor vertical member (4) and is referred to as first floor stress and indulge muscle (41), the first floor stress indulges muscle
(41) lower end is stretched out from the concrete lower face of the first floor vertical member (4)；
Step 2: at the construction field (site), the reinforcing bar of basement cast-in-situ steel reinforced concrete vertical member (1), first floor cast in place reinforced bar are mixed
The reinforcing bar binding of the reinforcing bar and cast-in-place basement roof (3) of solidifying Tu Liang (2) is in place, wherein, the basement cast in place reinforced bar coagulation
Native vertical member (1), first floor cast-in-situ steel reinforced concrete beam (2) and cast-in-place basement roof (3) are sequentially arranged from the bottom to top, by institute
The stress for stating basement cast-in-situ steel reinforced concrete vertical member (1) indulges muscle referred to as lower stress and indulges muscle (11), the underground by
The quantity that power indulges muscle (11) indulges muscle (41) corresponding to the first floor stress；Also, installation number is indulged corresponding to the first floor stress
The grout sleeve (5) of muscle (41) so that the upper end that each described ground lower stress indulges muscle (11) fits into a filling
In the lower connectivity port (5b) for starching sleeve (5), and the upper connectivity port (5a) of the grout sleeve (5), grouting port (5c) and row
Slurry mouth (5d) is got up by closure；
Step 3: pour the concrete for smashing the basement cast-in-situ steel reinforced concrete vertical member (1), first floor cast-in-situ steel reinforced concrete
The concrete of beam (2) and the concrete of cast-in-place basement roof (3) so that each described grout sleeve (5) is embedded in described
In the concrete of cast-in-place basement roof (3), the upper connectivity port (5a) of each grout sleeve (5) is described cast-in-place
The concrete upper surface of basement roof (3) exposes and keeps concordant, vertical to form the basement cast-in-situ steel reinforced concrete
Component (1), first floor cast-in-situ steel reinforced concrete beam (2) and cast-in-place basement roof (3)；
Step 4: treat the concrete of the basement cast-in-situ steel reinforced concrete vertical member (1), first floor cast-in-situ steel reinforced concrete beam
(2) after concrete and the concrete of cast-in-place basement roof (3) reaches predetermined strength, the upper of the grout sleeve (5) is removed
The closure of connectivity port (5a), and the first floor vertical member (4) is lifted to the top of the cast-in-place basement roof (3),
So that the lower end that each first floor stress indulges muscle (41) is directed at corresponding grout sleeve (5)；
Step 5: grouting material is poured into the inner cavity of each grout sleeve (5) by the upper connectivity port (5a)；
Step 6: before the grouting material starts solidification, each first floor stress of the first floor vertical member (4) is indulged into muscle
(41) in the upper connectivity port (5a) of the corresponding grout sleeve (5) of lower end insertion so that each first floor stress indulges muscle
(41) muscle (11) is indulged with corresponding described ground lower stress by a grout sleeve (5) to be connected；Also, make the first floor
Gap is left between the lower face of vertical member (4) and the concrete upper surface of the cast-in-place basement roof (3)；
Step 6: irrigating the grouting material into the gap, and smooth out the first floor vertical member (4) and cast-in-place underground ceiling
Joint face between plate (3), to form concrete slurry seal layer (6).
7. the ductility connection construction method of first floor vertical member and basement roof according to claim 6, it is characterised in that：
The basement cast-in-situ steel reinforced concrete vertical member (1) is cast-in-place reinforced concrete frame column, and the first floor erects
It is prefabricated reinforced concrete frame column to component (4).
8. the ductility connection construction method of first floor vertical member and basement roof according to claim 6, it is characterised in that：
The basement cast-in-situ steel reinforced concrete vertical member (1) is cast-in-place reinforced concrete shear wall, and the first floor is vertical
Component (4) is prefabricated reinforced concrete shear wall.
9. according to the ductility connection construction method of first floor vertical member described in claim 6 to 8 any one and basement roof,
It is characterized in that：The grout sleeve (5) is full grout sleeve, i.e.,：The each first floor stress indulges the lower end of muscle (41)
The upper end that head and each described ground lower stress indulge muscle (11) is connected by the grouting material with corresponding grout sleeve (5)
Connect.
10. according to the ductility connection construction side of first floor vertical member described in claim 6 to 8 any one and basement roof
Method, it is characterised in that：The grout sleeve (5) is half grout sleeve, i.e.,：The lower connectivity port of the grout sleeve (5)
(5b) is screw thread port, and each described ground lower stress indulges the upper end of muscle (11) and the lower connection of corresponding grout sleeve (5)
Port (5b) is threadedly coupled, and each first floor stress indulges the lower end of muscle (41) by the grouting material and corresponding filling
Starch sleeve (5) connection.
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| CN201711485717.XA CN107975152A (en) | 2017-12-29 | 2017-12-29 | The ductility connecting structure and construction method of first floor vertical member and basement roof |
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| CN201711485717.XA CN107975152A (en) | 2017-12-29 | 2017-12-29 | The ductility connecting structure and construction method of first floor vertical member and basement roof |
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| CN109057171A (en) * | 2018-10-12 | 2018-12-21 | 中国二十二冶集团有限公司 | The vertical grout sleeve connection structure of fabricated shear wall and its construction method |
| CN113187100A (en) * | 2021-04-30 | 2021-07-30 | 广东省工业设备安装有限公司 | Inverted-inserting type one-step grouting construction method for prefabricated column and cast-in-place concrete structure sleeve |
| CN113187101A (en) * | 2021-04-30 | 2021-07-30 | 广东省工业设备安装有限公司 | Inverted-inserting type secondary grouting construction method for prefabricated column and cast-in-place concrete structure sleeve |
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| CN113187100A (en) * | 2021-04-30 | 2021-07-30 | 广东省工业设备安装有限公司 | Inverted-inserting type one-step grouting construction method for prefabricated column and cast-in-place concrete structure sleeve |
| CN113187101A (en) * | 2021-04-30 | 2021-07-30 | 广东省工业设备安装有限公司 | Inverted-inserting type secondary grouting construction method for prefabricated column and cast-in-place concrete structure sleeve |
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Application publication date: 20180501 |