CN209482532U - A kind of assembly connection structure of assembly of shear wall structure - Google Patents
A kind of assembly connection structure of assembly of shear wall structure Download PDFInfo
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- CN209482532U CN209482532U CN201821919636.6U CN201821919636U CN209482532U CN 209482532 U CN209482532 U CN 209482532U CN 201821919636 U CN201821919636 U CN 201821919636U CN 209482532 U CN209482532 U CN 209482532U
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Abstract
A kind of assembly connection structure of assembly of shear wall structure, including shear wall, the horizontal direction shear wall junction of left and right two to be connected is embedded with fashioned iron keel, the fashioned iron keel of two shear walls are attached by damping unit, vertically upper layer and lower layer shear wall junction to be connected is embedded with bottom connection steel mold respectively and connects steel mold with top, bottom connects and forms drain casting fill area between steel mold and top connection steel mold, by the slip casting into slip casting fill area, realize that bottom connection steel mold connects the connection of steel mold with top;The utility model shear wall vertically connects the method using the pre-buried steel mold in part, considerably reduces contraposition difficulty when precast wall body lifts at the scene between reinforcing bar and sleeve, can effectively ensure construction quality, improves the reliability of link position;The horizontal direction connection of shear wall uses the structure of fashioned iron keel, eliminates the additional dowel of connecting portion, effectively reduces in-site installation difficulty, improve construction efficiency.
Description
Technical field
The utility model belongs to fabricated construction technical field, and in particular to a kind of assembly company of assembly of shear wall structure
Binding structure.
Background technique
Fabricated construction requires its component to be prefabricated in the factory, reduce construction site wet construction and dust with make an uproar
Sound pollution improves the production precision of component;Construction period is shortened to a certain extent, reduces the use of labour.Dress
The construction method of assembly method and its seam crossing with formula structure is a key technology of this class formation;Seam join domain is
Guarantee that the overall performance of fabricated construction meets the key of Structural Design Requirement.
Shearing wall member can have biggish anti-side rigidity, can effectively undertake biggish horizontal loading.In building now
In building structure, reasonable arrangement shearing wall member can be enhanced the overall stiffness of building structure, improve the carrying energy of building structure
Power is widely used in executive information systems.
Currently, in common assembly of shear wall structure work progress, prefabrication wall is mainly used, on-site hoisting,
The construction method of cast in situs at node.The vertical connection type of precast wall body mainly includes that slurry anchor connection and grout sleeve connect
It connects;The reinforcing bar of precast wall body is often more and bar diameter is smaller, so that when on-site hoisting, the difficulty of wall and the contraposition of slip casting duct
It spends larger;And phenomena such as being easy to happen blocking during slip casting, influences the switching performance of wall.The horizontal direction of precast wall body connects
It connects mode and mainly takes the reserved additional connection reinforcing bar in wall edge, cast in situs join domain;The reinforcing bar of link position is matched
It sets relatively close, causes this Joining Technology hoisting difficulty big, assembled complex procedures, site operation quality is difficult to control.
Utility model content
Of the existing technology in order to solve the problems, such as, the assembly that the utility model provides a kind of assembly of shear wall structure connects
Binding structure, technical solution are as follows:
A kind of assembly connection structure of assembly of shear wall structure, including shear wall, fashioned iron keel, damping unit, bottom
Connection steel mold connects steel mold with top, and the horizontal direction shear wall junction of left and right two to be connected is embedded with fashioned iron dragon
The fashioned iron keel of bone, two shear walls are attached by damping unit, vertically upper layer and lower layer shear wall junction to be connected
It is embedded with bottom connection steel mold respectively and connects steel mold with top, bottom connects shape between steel mold and top connection steel mold
At drain casting fill area, by the slip casting into slip casting fill area, realize that bottom connection steel mold connects steel mold with top
Connection.
The fashioned iron keel and shear wall are contour, including backboard, connecting plate and resistance to plucking bolt, the side of the backboard with cut
The side of the fitting of power wall side wall, resistance to plucking bolt one end and backboard is welded and fixed, and the other end of resistance to plucking bolt is embedded into shear wall wall
In vivo, connecting plate it is specific there are two, two connecting plates are all set in the other side of backboard, and parallel with shear wall body set
It sets.
There are two damping unit is specifically arranged, the left side flap edge of two damping units respectively with left side shear Wall steel joist
Two connecting plates be welded and fixed, the right side flap edge of two damping units is connect with two of right side shear Wall steel joist respectively
Plate is welded and fixed.
Pour fill area after being formed between damping unit and connecting plate, after pour and pour flexible filler in fill area.
The flexible filler is foamed concrete or asbestos cement.
The damping unit is specially mild steel damper.
It is welded and fixed between the bottom connection steel mold and lower layer's shearing coping connection steel mold of upper layer shear wall.
The bottom connection steel mold is provided with injected hole, and the shear wall bottom is provided with slip casting diversion pipe, and slip casting is led
Flow tube one end is connected to slip casting fill area, and the other end extends to shear wall side wall;
The top connection steel mold is open equipped with template, empty in the intracorporal anchoring of wall for providing for the reinforcing bar in floor
Between.
Bottom connects steel mold and shear wall body is wide, is connected with fashioned iron keel at shear wall body edge;
Top connects steel mold and shear wall body is wide, is connected with fashioned iron keel at shear wall body edge.
A kind of assembly connection construction method of assembly of shear wall structure, using a kind of assembly of shear wall structure above-mentioned
Assembly connection structure, which comprises the following steps:
Step 1: fashioned iron keel, bottom connection steel mold and top are connected steel by steel reinforcement cage inside binding shear wall body
Mold, slip casting diversion pipe are located in the setting position of shear wall, pour precast concrete shear wall component;
Step 2: construction site lifts and positions precast wall body;
Step 3: the seam that coping connect steel mold is sheared with lower layer to the bottom connection steel mold of upper layer shear wall
Place carries out site welding, carries out slip casting to slip casting fill area by injected hole, until slurries are overflowed from diversion pipe, blocks slip casting
Mouthful;
Step 4: welding damping unit at the design position of connecting plate in fashioned iron keel;Fill area is poured after pours filling
Object;
In seam when the compression strength of the fashioned iron keel should at least be equal to the assembly of existing fabricated shear wall wall
The compression strength in region, calculation formula are poured behind place are as follows:
Aefe≥ASfy+Acfc
Wherein: AsFor the total cross-section area (mm for pouring longitudinal reinforcement in region after existing fabricated shear wall2), fyIt is existing
There is the yield strength (N/mm that longitudinal reinforcement in region is poured after fabricated shear wall2), ACFor the area existing fabricated shear wall Hou Jiao
Cross-sectional area of concrete (mm in domain2), fCFor the axial compressive strength for pouring region inner concrete after existing fabricated shear wall
(N/mm2), AeFor the cross-sectional area (mm of fashioned iron keel dorsulum and connecting plate2), feFor the surrender of steel used in fashioned iron keel
Intensity (N/mm2)。
Compared with prior art, the utility model has the beneficial effects that
The vertical connection of precast shear wall wall replaces traditional grout sleeve to connect using the method for the pre-buried steel mold in part
Connect with slurry anchor connection mode, considerably reduce contraposition difficulty when precast wall body lifts at the scene between reinforcing bar and sleeve, can
Effectively to ensure construction quality, the reliability of link position is improved;
Precast wall body horizontal direction connection using fashioned iron keel replace it is traditional after pour region, eliminate the attached of connecting portion
Add dowel, effectively reduces in-site installation difficulty, improve construction efficiency;
Fashioned iron keel and wall are contour, positioning easy to control and production precision;When on-site hoisting, it there's almost no installation and miss
Difference.After wall lifts at the scene, damping unit is welded on fashioned iron keel, easy to operate;Fashioned iron keel, damping unit are poured with after
The filler of fill area together forms a closed ring node structure;The node structure is similar with steel core concrete column,
Bearing capacity is good, and ductility is high, and anti-seismic performance is superior;
Bottom connection steel mold and top connection steel mold are separately mounted to wall bottom and top when being prefabricated in the factory, with
Accomplish wide with body of wall is connected with fashioned iron keel;When on-site hoisting, contraposition is simple;Upper layer shear wall bottom connection steel mold is cut with lower layer
Power wall top portion connects the seam between steel mold and is connected by site welding, and it is convenient to operate;Space is larger in slip casting fill area, no
Slurries choking phenomenon easily occurs;Due to connecting the package effect of contraction of steel mold, the connection that precast wall body vertically assembles is enhanced
Reliability;This connection type largely reduces the difficulty of construction of precast shear wall at the scene, improves installation effect
Rate;Enough bonding strengths and anti-side rigidity are provided under normal operating condition, can effectively improve building under geological process
The ductility of structure, dissipate seismic energy to a certain extent.
Detailed description of the invention
Fig. 1 is the fabricated shear wall front view being attached using the assembly connection technology in the utility model.
Fig. 2 is the fabricated shear wall lateral sectional view being attached using the assembly connection technology in the utility model.
Fig. 3 is the fabricated shear wall top cross-sectional view being attached using the assembly connection technology in the utility model.
Fig. 4 is the front view of precast shear wall wall in the utility model.
Fig. 5 is the lateral sectional view of precast shear wall wall in the utility model.
Fig. 6 is the medium-sized steel keel structure detail drawing of the utility model.
Fig. 7 is to be faced using the fabricated shear wall connecting portion that the assembly connection technology in the utility model is attached
Figure.
Fig. 8 is cutd open using the fabricated shear wall connecting portion side view that the assembly connection technology in the utility model is attached
Face figure.
Fig. 9 is the fabricated shear wall schematic diagram being attached using the assembly connection technology in the utility model.
Figure 10 is the fabricated shear wall schematic diagram being attached using existing level interconnection technique.
Wherein: 1 shear wall;2 fashioned iron keel;3 bottoms connect steel mold;4 tops connect steel mold;5 damping units;6 back
Plate;7 connecting plates;8 injected holes;9 templates opening;10 slip casting diversion pipes;Fill area is poured after 11;12 slip casting fill areas;13 resistance to plucking spiral shells
Bolt.
Specific embodiment
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
As shown in Figures 1 to 9, the utility model provides a kind of assembly connection structure of assembly of shear wall structure, packet
It includes shear wall 1, fashioned iron keel 2, damping unit 5, bottom connection steel mold 3 and connects steel mold 4 with top, horizontal direction is to be connected
Two 1 junctions of shear wall in left and right are embedded with fashioned iron keel 2, the fashioned iron keel 2 of two shear walls 1 by damping unit 5 into
Row connection, vertically 1 junction of upper layer and lower layer shear wall to be connected is embedded with bottom connection steel mold 3 respectively and connects steel with top
Mold 4, bottom connects and forms drain casting fill area 12 between steel mold 3 and top connection steel mold 4, by filling to slip casting
Slip casting in area 12 realizes that bottom connection steel mold 3 connects the connection of steel mold 4 with top.
Specifically, connection reinforcing bar is long as shown in figure 5, shear wall 1 is at the top of its wall and bottom has connection reinforcing bar to stretch out
Degree is not less than the minimum lap of splice of reinforcing bar, the company for reinforcing bar inside 1 wall of upper layer shear wall and 1 wall of lower layer's shear wall
It connects.
Shear wall 1 can be T-type shear wall 1,1 component of shear wall of the diversified forms such as L-type shear wall 1.
The fashioned iron keel 2 and shear wall 1 are contour, including backboard 6, connecting plate 7 and resistance to plucking bolt 13, the backboard 6
Side is bonded with 1 side wall of shear wall, and 13 one end of resistance to plucking bolt and the side of backboard 6 are welded and fixed, the other end of resistance to plucking bolt 13
Be embedded into 1 wall of shear wall, there are two connecting plate 7 is specific, two connecting plates 7 are all set in the other side of backboard 6, and with
1 wall of shear wall is arranged in parallel.
Specifically, the size of resistance to plucking bolt 13, anchorage depth and arrangement etc. should meet pre-buried as shown in Fig. 3, Fig. 6
Part design specification, the thickness of backboard 6 should be greater than the diameter of resistance to plucking bolt 13, the width of backboard 6 be slightly less than shear wall 1 thickness or
Identical as the thickness of shear wall 1, the thickness of connecting plate 7 should be greater than the thickness of damping unit 5, and the position of connecting plate 7 should be along backboard 6
Outer edge shrinks the thickness that size is slightly larger than damping unit 5 to central reduction.
As shown in Fig. 3, Fig. 7, damping unit 5 specifically setting there are two, the left side flap edge of two damping units 5 respectively with a left side
Two connecting plates 7 of 1 fashioned iron keel 2 of side shear wall are welded and fixed, and the right side flap edge of two damping units 5 is sheared with right side respectively
Two connecting plates 7 of 1 fashioned iron keel 2 of wall are welded and fixed.
Specifically, as shown in figure 3, between the fashioned iron keel 2 of the left and right sides design there are the gap of 10mm-20mm, be convenient for
Installation is aligned when work on the spot.
Pour fill area 11 after being formed between damping unit 5 and connecting plate 7, after pour and pour flexible filling in fill area 11
Object can also use other flexible fillers.
The flexible filler is foamed concrete or asbestos cement.
The damping unit 5 is specially mild steel damper.
Welding is solid between the bottom connection steel mold 3 of upper layer shear wall 1 and the top connection steel mold 4 of lower layer's shear wall 1
It is fixed.
The bottom connection steel mold 3 is provided with injected hole 8, and 1 bottom of shear wall is provided with slip casting diversion pipe 10, note
Slurry 10 one end of diversion pipe is connected to slip casting fill area 12, and the other end extends to 1 side wall of shear wall;
When assembled in situ, slurry is injected into slip casting fill area 12 by injected hole 8 until slurries are from slip casting diversion pipe 10
Middle spilling;Used grouting material be high intensity, high fluidity, shrinkage-void slurry;
The top connection steel mold 4 is equipped with template opening 9, and it is in floor that the height of template opening 9, which is not less than 100mm,
Reinforcing bar provide in the intracorporal anchoring space of wall.
Bottom connects steel mold 3 and 1 accomplish wide with body of wall of shear wall, is connected with fashioned iron keel 2 at 1 wall edge of shear wall;
Top connects steel mold 4 and 1 accomplish wide with body of wall of shear wall, is connected with fashioned iron keel 2 at 1 wall edge of shear wall.
10, a kind of assembly connection construction method of 1 structure of fabricated shear wall, using a kind of fabricated shear wall above-mentioned
The assembly connection structure of structure, which comprises the following steps:
Step 1: steel reinforcement cage inside binding 1 wall of shear wall connects fashioned iron keel 2, bottom connection steel mold 3 and top
Steel mold 4, slip casting diversion pipe 10 are located in the setting position of shear wall 1, pour 1 component of precast concrete shear wall;
Step 2: construction site lifts and positions precast wall body;
Step 3: steel mold 4 is connect with the top of lower layer shear wall 1 to the bottom of upper layer shear wall 1 connection steel mold 3
Seam crossing carries out site welding, carries out slip casting to slip casting fill area 12 by injected hole 8, until slurries are overflowed from diversion pipe,
Block grouting port;
Step 4: welding damping unit 5 at the design position of connecting plate 7 in fashioned iron keel 2;Fill area 11 is poured after to pour
Build filler;
The compression strength of the fashioned iron keel 2 is connecing when should at least be equal to the assembly of existing 1 wall of fabricated shear wall
The compression strength in region, calculation formula are poured after at seam are as follows:
Aefe≥ASfy+Acfc
Wherein: AsFor the total cross-section area (mm for pouring longitudinal reinforcement in region after existing fabricated shear wall2), fyIt is existing
There is the yield strength (N/mm that longitudinal reinforcement in region is poured after fabricated shear wall2), AcTo pour region after existing fabricated shear wall
Interior cross-sectional area of concrete (mm2), fcFor the axial compressive strength for pouring region inner concrete after existing fabricated shear wall
(N/mm2), AeFor the cross-sectional area (mm of fashioned iron keel 2 dorsulum 6 and connecting plate 72), feFor steel used in fashioned iron keel 2
Yield strength (N/mm2)。
As shown in Figure 10, for using existing interconnection technique progress fabricated shear wall connected horizontally;I.e. in precast wall body
Seam crossing reserves U-shaped steel muscle and hooked bar, scene binding vertical reinforcement and casting concrete;Region is poured after utilization two sides are pre-
Wall connecting processed is at full wafer wall;The ASFor the total cross section face for pouring longitudinal reinforcement in region after existing fabricated shear wall
Product;
As shown in figure 9, to carry out fabricated shear wall connected horizontally using the attachment device in the utility model;It is described
Fashioned iron keel 2 (pouring region afterwards) total cross-sectional area AeFor the area of section summation of 2 backboard 6 and connecting plate 7 of fashioned iron keel.
Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations, although referring to above-mentioned implementation
The utility model is described in detail in example, it should be understood by those ordinary skilled in the art that: still can be practical to this
Novel specific embodiment is modified or replaced equivalently, and without departing from any modification of the spirit and scope of the utility model
Or equivalent replacement, it should all cover in present claims range.
Claims (9)
1. a kind of assembly connection structure of assembly of shear wall structure, which is characterized in that including shear wall, fashioned iron keel, damping
Device, bottom connection steel mold connect steel mold with top, and the horizontal direction shear wall junction of left and right two to be connected is pre-buried
There are fashioned iron keel, the fashioned iron keel of two shear walls are attached by damping unit, vertically upper layer and lower layer to be connected shearing
Wall junction is embedded with bottom connection steel mold respectively and connects steel mold with top, and bottom connects steel mold and connects punching block with top
Drain casting fill area is formed between tool, by the slip casting into slip casting fill area, realizes that bottom connection steel mold is connected with top
The connection of steel mold.
2. a kind of assembly connection structure of assembly of shear wall structure as described in claim 1, which is characterized in that the fashioned iron
Keel are contour with shear wall, including backboard, connecting plate and resistance to plucking bolt, and the side of the backboard is bonded with shear wall side wall, resist
The side for pulling out bolt one end and backboard is welded and fixed, and the other end of resistance to plucking bolt is embedded into shear wall body, and connecting plate is specific
There are two, two connecting plates are all set in the other side of backboard, and are arranged in parallel with shear wall body.
3. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 2, which is characterized in that damping unit
There are two specific settings, and the left side flap edge of two damping units is welded with two connecting plates of left side shear Wall steel joist respectively
Fixed, the right side flap edge of two damping units is welded and fixed with two connecting plates of right side shear Wall steel joist respectively.
4. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 3, which is characterized in that damping unit
Pour fill area after being formed between connecting plate, after pour and pour flexible filler in fill area.
5. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 4, which is characterized in that the flexibility
Filler is foamed concrete or asbestos cement.
6. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 5, which is characterized in that the damping
Device is specially mild steel damper.
7. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 6, which is characterized in that upper story shear
It is welded and fixed between the bottom connection steel mold and lower layer's shearing coping connection steel mold of wall.
8. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 7, which is characterized in that the bottom
Connection steel mold is provided with injected hole, and the shear wall bottom is provided with slip casting diversion pipe, and slip casting diversion pipe one end is filled out with slip casting
Qu Liantong is filled, the other end extends to shear wall side wall;
The top connection steel mold is open equipped with template, for providing for the reinforcing bar in floor in the intracorporal anchoring space of wall.
9. a kind of assembly connection structure of assembly of shear wall structure as claimed in claim 8, which is characterized in that bottom connection
Steel mold is wide with shear wall body, is connected with fashioned iron keel at shear wall body edge;
Top connects steel mold and shear wall body is wide, is connected with fashioned iron keel at shear wall body edge.
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Cited By (1)
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CN109667366A (en) * | 2018-11-21 | 2019-04-23 | 沈阳建筑大学 | A kind of the assembly connection structure and its construction method of assembly of shear wall structure |
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CN109667366A (en) * | 2018-11-21 | 2019-04-23 | 沈阳建筑大学 | A kind of the assembly connection structure and its construction method of assembly of shear wall structure |
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