CN212772806U - Connecting structure of prefabricated column and foundation column - Google Patents
Connecting structure of prefabricated column and foundation column Download PDFInfo
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- CN212772806U CN212772806U CN202021107013.6U CN202021107013U CN212772806U CN 212772806 U CN212772806 U CN 212772806U CN 202021107013 U CN202021107013 U CN 202021107013U CN 212772806 U CN212772806 U CN 212772806U
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Abstract
The utility model provides a connection structure of prefabricated post and foundation column, connection structure forms when including prefabricated post, foundation column and prefabricated post and foundation column connection node region to make through cast-in-place no shrink mortar that excels in node region prefabricated post with foundation column integrated into one piece. The utility model discloses a connection structure of precast column and foundation column utilizes the connected mode of rigid coupling, provides the shear force of the horizontal load that the precast column bore, has apparent shear resistance, can also provide sufficient rigidity, plays and bears the moment of flexure jointly, satisfies bending resistance's effect, realizes totally that the path of biography power is clear and definite, and it is guaranteed to pass power; and under the condition of ensuring the stress, the whole structure is simple, the installation speed is improved, and the construction cost is reduced. The problems of poor installation strength and rigidity, undefined force transmission path, high manufacturing cost and complex construction of the prefabricated column in the prior art are solved.
Description
Technical Field
The utility model relates to a building construction field particularly, relates to a connection structure of prefabricated post and foundation column.
Background
At present, the connected mode of prefabricated post and foundation column on the market mainly includes: (1) wet seam joining; (2) the grouting sleeve connection is that the grouting sleeve is embedded in the prefabricated part, the dowel bars extend out of the foundation, and after the grouting sleeve is installed in place, special high-strength non-shrinkage mortar is pressed in from the outside to form integral connection; (3) grouting anchor connection formed by grouting metal corrugated pipes; (4) tenon type connection, namely, making the bottom end of a prefabricated column into a tenon and extending out of a steel bar, locating the prefabricated column at the top end of a foundation, after correction and in-place, welding the steel bars extending out of an upper column and a lower column mutually, adding stirrups, pouring concrete after a paper film to form a whole, and thus the construction is complicated; (5) the post-tensioning method prestress connection is carried out, and the foundation and the prefabricated column are connected into a whole through the post-tensioning method prestress; (6) after butt joint of the foundation and the prefabricated column, welding the longitudinal steel bar on the steel plate directly; (7) the high-strength bolt connection is realized, steel plates are embedded in the prefabricated columns, and then the high-strength bolts are used for connection, but the cross section is weakened more, the rigidity of the cross section is greatly reduced, the stress of the cross section is increased rapidly, and the stress concentration phenomenon occurs; (8) a plurality of column base connecting seats are embedded at the bottom of a prefabricated column to form dry connection with a foundation extension bolt. However, the connection of the prefabricated column and the foundation column in the prior art generally has the following problems: the prefabricated column and the foundation connecting node of the assembly type frame structure have poor ductility, and energy cannot be well dissipated under the action of an earthquake; the joint of the general prefabricated column and the foundation weakens the column section more, influences the strength and rigidity of the prefabricated column, has an undefined force transmission path and simultaneously gives consideration to the transmission of shearing force and bending moment; the connection structure adopts a large amount of steel, so that the manufacturing cost is high; the construction is complicated, and the construction progress is influenced. Therefore, the design of the prefabricated column and foundation column connecting structure meeting the market demands has important significance.
Through the massive search of the applicant, for example, a patent with the patent number of CN105926771B discloses a middle joint connecting structure for assembling an integral frame column beam and a construction method thereof, and for example, a patent with the patent number of CN104294753B discloses a bridge prefabricated hollow pier column connecting structure, but the construction method generally has complex steps.
In summary, in the field of the connection structure of the prefabricated column and the foundation column, there is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
Based on this, it is ambiguous with the foundation column installation atress to the prefabricated post of prior art problem, and the construction is loaded down with trivial details, problem that the cost is with high costs, the utility model provides a connection structure of prefabricated post and foundation column is in order to solve the problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connecting structure of a prefabricated column and a foundation column comprises the prefabricated column, the foundation column and a node area, wherein the prefabricated column and the foundation column are connected with each other, a pre-embedded part is pre-embedded in the bottom of the prefabricated column in the node area, a foundation column pre-embedded anchor bolt is pre-embedded in the node area and can be connected with the pre-embedded part, and the prefabricated column and the foundation column are integrally formed in the node area through cast-in-place high-strength shrinkage-free mortar.
Optionally, at least two longitudinal steel bars and the anchoring steel bars corresponding to the longitudinal steel bars one to one are embedded in the prefabricated column, and the longitudinal steel bars and the anchoring steel bars are connected through connecting pieces.
Optionally, the embedded part at the bottom of the precast column comprises an embedded anchor plate, a first channel steel shear key and a second channel steel shear key, and the first channel steel shear key is connected to the upper part of the anchor plate and located between the anchor steel bars; the second channel steel shear key is connected to the lower portion of the anchor plate and is in the same straight line with the first channel steel shear key.
Optionally, a first notch is reserved at the bottom of the prefabricated column.
Optionally, the anchoring bar extends to the bottom of the precast column and is connected with the anchor plate.
Optionally, the anchor plate is provided with a plurality of preformed holes.
Optionally, a plurality of crab-bolts of foundation post pre-buried, a plurality of crab-bolts with a plurality of preformed holes one-to-one and pass the preformed hole it is fixed through two nuts in the first notch, just be provided with the leveling nut on a plurality of crab-bolts respectively.
Optionally, a second notch is reserved at the connecting end of the foundation column and the precast column, and reinforcing steel bars are pre-embedded at the bottom of the second notch.
Optionally, high-strength shrinkage-free mortar can be injected into the second notch.
Compared with the prior art, the utility model discloses the beneficial technological effect who gains is:
1. the utility model discloses a connection structure of prefabricated post and foundation utilizes the connected mode of rigid coupling to realize being connected of prefabricated post and foundation, and through first channel-section steel shear key and second channel-section steel shear key and combine the synergism between the high strength no shrink mortar of pouring, the shear force of the horizontal load that the prefabricated post bore is provided, the shear resistance that is showing has, and simultaneously, pre-buried anchor slab and the anchor reinforcing bar connection in the prefabricated bottom of the column can provide sufficient rigidity, play and bear the moment of flexure jointly, satisfy bending resistance's effect, it is clear and definite to realize biography power route overall, it is guaranteed to pass power.
2. The utility model discloses a connection structure of prefabricated post and foundation column can not influence the intensity and the rigidity of prefabricated post, creatively sets up the steel construction in the node region, ensures continuity, wholeness and the reliability that prefabricated post and foundation column are connected in the node region, and has the anti-seismic performance who is superior to traditional connection structure, guarantees its installation quality.
3. The utility model discloses a connection structure of prefabricated post and foundation column has designed the leveling nut, rectifies for the installation of prefabricated post provides convenience, and the preformed hole of the pre-buried anchor slab design of prefabricated toe portion plays the effect of spacing installation in general, helps improving the speed of installation, reduces the cost of construction.
4. The utility model discloses a connection structure construction of prefabricated post and foundation column is simple, and the construction progress is fast, and overall cost is lower, is showing the energy consumption that reduces the building.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a schematic connection diagram of a connection structure of a prefabricated column and a foundation column in one embodiment of the present invention;
fig. 2 is a schematic sectional view at a-a of a connection structure of a prefabricated column and a foundation column according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view taken along the line B-B of a connection structure of a prefabricated column and a foundation column according to an embodiment of the present invention;
fig. 4 is a schematic view of an anchor bolt in a foundation column of a connecting structure of a precast column and the foundation column according to an embodiment of the present invention;
FIG. 5 is a schematic view of a top groove in a foundation column of a connecting structure of a precast column and the foundation column according to an embodiment of the present invention;
fig. 6 is a schematic view of a groove formed in the top of a foundation column of a connection structure of a precast column and the foundation column according to an embodiment of the present invention.
Description of reference numerals: 1-prefabricating a column; 2-a base column; 3-a connector; 4-a first channel steel shear key; 5-high-strength non-shrinkage mortar; 6-anchor bolt; 7-leveling nut; 8-double screw caps; 9-a first notch; 10-; 11-anchoring a steel bar; 12-an anchor plate; 13-preparing holes; 14-a first channel steel shear key; 15-reinforcing steel bars; 16-longitudinal steel bars; 17-second channel steel shear key.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.
The utility model relates to a connection structure of prefabricated post and foundation column, according to the following embodiment of the illustrated explanation of figures 1-6:
the first embodiment is as follows:
as shown in fig. 1 to 6, the present embodiment provides a connection structure of a precast column and a foundation column, which includes a precast column 1, a foundation column 2 connected to each other, and a node region formed at a connection portion of the precast column 1 and the foundation column 2, wherein an embedded part is embedded in a bottom of the precast column 1 in the node region, an anchor bolt 6 is embedded in the foundation column 2 in the node region, the anchor bolt 6 can be connected to the embedded part, and the precast column 1 and the foundation column 2 are integrally formed in the node region by a cast-in-place high-strength non-shrinkage mortar 5.
In a preferred embodiment, at least two longitudinal steel bars 16 and anchoring steel bars 11 corresponding to the longitudinal steel bars 16 one to one are embedded in the precast column 1, and the longitudinal steel bars 16 and the anchoring steel bars 11 are connected through connecting pieces 3; the embedded part at the bottom of the precast column 1 comprises an embedded anchor plate 12, a first channel steel shear key 4 and a second channel steel shear key 17, and the first channel steel shear key 4 is connected to the upper part of the anchor plate 12 and is positioned between the anchor steel bars 11; the second channel steel shear key 17 is connected to the lower part of the anchor plate 12 and is in the same straight line with the first channel steel shear key 4; the anchoring steel bar 11 extends to the bottom of the prefabricated column 1 and is connected with the anchor plate 12; the anchor plate 12 is provided with a plurality of prepared holes 13. In this embodiment, the anchor plate 12 is a steel plate, and its ingenious connection with anchor reinforcing bar 11, longitudinal reinforcement 16 and first channel-section steel shear key 4, second channel-section steel shear key 17 can guarantee the shear force of the horizontal load that the precast column bore, has apparent shear resistance, simultaneously, can provide sufficient rigidity, plays the joint bearing moment of flexure, satisfies bending resistance's effect, and it is clear and definite to realize passing the power route on the whole, and it is guaranteed to pass the power, guarantees the structural strength of precast column 1 on the whole, safe and reliable.
In a preferred embodiment, a first notch 9 is reserved at the bottom of the precast column 1, and the first notch 9 is used for ensuring the connection operation space between the reserved hole of the embedded part at the bottom of the precast column 1 and the anchor bolt 6 of the foundation column 2, so that the convenience of connection between the precast column 1 and the foundation column 2 is promoted, and the construction progress is improved.
In preferred embodiment, 2 pre-buried a plurality of crab-bolts 6 of foundation post, a plurality of crab-bolts 6 with a plurality of preformed holes 13 one-to-one and pass preformed holes 13, crab-bolt 6 passes after preformed holes 13, continue to pass gasket 14, afterwards be in it is fixed through two nuts 8 in the first notch 9, just a plurality of crab-bolts 6 need be provided with leveling nut 7 respectively before passing preformed holes 13. The installation leveling nut 7 can provide convenience for the installation and correction of the prefabricated column, plays a role in limiting installation, contributes to improving the installation speed and the installation accuracy, and reduces the construction cost.
In a preferred embodiment, a second notch 10 is reserved at the connecting end of the foundation column 2 and the precast column 1, and a reinforcing steel bar 15 is embedded at the bottom of the second notch 10. During the installation, high-strength non-shrinkage mortar 5 can be injected into the second notch 10, the second channel steel shear key 17 can be just right the second notch 10 is installed, and after the installation, concrete sealing treatment is continuously carried out on the node area, the strength of the overall structure is further strengthened, and the installation safety is guaranteed.
In addition, in a preferred embodiment, there is provided a construction method of a connection structure of a precast column and a foundation column, including the steps of:
a. performing threading processing on one end of the longitudinal steel bar 16 to obtain a first wire end, performing threading processing on one end of the anchoring steel bar 11 to obtain a second wire end, and connecting the first wire end and the second wire end through a connecting piece 3; in a preferred embodiment, the particular connector 3 is a mechanical sleeve;
b. pre-burying an embedded part of the prefabricated column, wherein the embedded part meets the following requirements: welding one end of the anchoring steel bar 11 which is not subjected to threading treatment on the anchor plate 12, welding the first channel steel shear key 4 in the middle of the anchor plate 12 and between the anchoring steel bars 11, welding a second channel steel shear key 17 at the bottom of the anchor plate 12 and on the same straight line with the first channel steel shear key 4, and designing a plurality of reserved holes 13 on the anchor plate 12;
c. after the embedded part is installed, pouring concrete to prepare the prefabricated column 1, and enabling the prefabricated column 1 to be provided with the first notch 9 through mold design;
d. preparing a base column 2: pre-burying anchor bolts 6 corresponding to the preformed holes 13 one by one in the foundation column 2 according to the size of the preformed holes 13, reserving a second notch 10 at the upper part of the foundation column 2 according to the specification of a second channel steel shear key 17, pre-burying reinforcing steel bars 15 at the bottom of the second notch 10, and pouring concrete in situ to obtain the foundation column 2;
e. screwing a leveling nut 7 on an anchor bolt 6 of the foundation column 2, and injecting high-strength shrinkage-free mortar 5 into the second notch 10;
f. hoisting the precast column 1 to the upper part of the foundation column 2, forming a node area at the joint, reserving a hole 13 and a gasket 14 with a hole in the anchor bolt 6 in sequence, fixing the anchor bolt through a double nut 8, and reinforcing the anchor bolt by welding;
g. and sealing the node area by adopting high-strength shrinkage-free mortar 5.
Example two:
this embodiment should be understood to include all the features of the foregoing embodiments and further explained on the basis thereof: as shown in fig. 1-6, this embodiment provides a connection structure of a precast column and a foundation column, which includes a precast column 1, a foundation column 2, and a node region formed at a joint of the precast column 1 and the foundation column 2, wherein an embedded part is embedded in a bottom of the precast column 1 in the node region, an anchor bolt 6 is embedded in the foundation column 2 in the node region, the anchor bolt 6 can be connected to the embedded part, and the precast column 1 and the foundation column 2 are integrally formed in the node region by a cast-in-place high-strength non-shrinkage mortar 5.
In a preferred embodiment, at least two longitudinal steel bars 16 and anchoring steel bars 11 corresponding to the longitudinal steel bars 16 one to one are embedded in the precast column 1, and the longitudinal steel bars 16 and the anchoring steel bars 11 are connected through connecting pieces 3; the embedded part at the bottom of the precast column 1 comprises an embedded anchor plate 12, a first channel steel shear key 4 and a second channel steel shear key 17, and the first channel steel shear key 4 is connected to the upper part of the anchor plate 12 and is positioned between the anchor steel bars 11; the second channel steel shear key 17 is connected to the lower part of the anchor plate 12 and is in the same straight line with the first channel steel shear key 4; the anchoring steel bar 11 extends to the bottom of the prefabricated column 1 and is connected with the anchor plate 12; the anchor plate 12 is provided with a plurality of prepared holes 13. In this embodiment, anchor plate 12 is the steel sheet, anchor reinforcing bar 11 sets up to 4, has anchor reinforcing bar 11 and connecting piece 3 of car silk one end and is connected, and the anchor reinforcing bar 11 that the other end does not have the car silk extends to the bottom of precast column 1 and welds on anchor plate 12, first channel-section steel shear key 4 welds anchor plate 12's middle part and is located between the anchor reinforcing bar 11 the welding of second channel-section steel shear key 17 the anchor plate 12 bottom and with first channel-section steel shear key 4 is on same straight line. In addition, the longitudinal reinforcement 16 overlaps the anchoring reinforcement 11 in a horizontal projection plane. The ingenious connection of above-mentioned structure can guarantee the shear force of the horizontal load that prefabricated post bore, has apparent shear resistance, simultaneously, can provide sufficient rigidity, plays the joint bending moment of bearing, satisfies bending resistance's effect, realizes wholly that the biography power route is clear and definite, passes power the assurance, guarantees prefabricated post 1's structural strength, safe and reliable on the whole.
In addition, in the present embodiment, as shown in fig. 3, the center position of the periphery of the anchor plate 12 needs to be drilled, and the specific size of the drilled hole needs to be determined according to the size of the anchor bolt 6 in the foundation column and the installation redundancy. And in order to increase the corrosion protection requirement, in a preferred embodiment, the embedded part needs to be galvanized or painted.
In the preferred embodiment, the bottom of the precast column 1 is reserved with first notches 9, and when the precast column 1 is prepared, the hole positions of the anchor plates 12 correspond to the first notches 9 one by one, so that in the preferred embodiment, the number of the first notches 9 is four. When the installation first notch 9 is used for guaranteeing the preformed hole of the built-in fitting of prefabricated post 1 bottom and the connection operation space of crab-bolt 6 of foundation column 2 promote the convenience of being connected between prefabricated post 1 and the foundation column 2 improves the construction progress.
In preferred embodiment, 2 pre-buried a plurality of crab-bolts 6 of foundation post, a plurality of crab-bolts 6 with a plurality of preformed holes 13 one-to-one and pass preformed holes 13, crab-bolt 6 passes after preformed holes 13, continue to pass gasket 14, afterwards be in it is fixed through two nuts 8 in the first notch 9, just a plurality of crab-bolts 6 need be provided with leveling nut 7 respectively before passing preformed holes 13. For the one-to-one connection, consequently, a plurality of crab-bolts 6 are four crab-bolts 6, and a plurality of preformed holes 13 are 4 preformed holes 13, and installation leveling nut 7 can provide convenience for the installation correction of prefabricated post, plays the effect of spacing installation, helps improving the speed of installation and the degree of accuracy of installation, reduces the cost of construction.
In a preferred embodiment, a second notch 10 is reserved at the connecting end of the foundation column 2 and the precast column 1, and a reinforcing steel bar 15 is embedded at the bottom of the second notch 10. During the installation, high-strength non-shrinkage mortar 5 can be injected into the second notch 10, the second channel steel shear key 17 can be just right the second notch 10 is installed, and after the installation, concrete sealing treatment is continuously carried out on the node area, the strength of the overall structure is further strengthened, and the installation safety is guaranteed.
In addition, in a preferred embodiment, there is provided a construction method of a connection structure of a precast column and a foundation column, including the steps of:
a. performing threading processing on one end of the longitudinal steel bar 16 to obtain a first threading end, and performing threading processing on one end of the anchoring steel bar 11 to obtain a second threading end;
b. pre-burying an embedded part of the prefabricated column, wherein the embedded part meets the following requirements: welding one end of the anchoring steel bar 11 which is not subjected to threading treatment on the anchor plate 12, welding the first channel steel shear key 4 in the middle of the anchor plate 12 and between the anchoring steel bars 11, welding a second channel steel shear key 17 at the bottom of the anchor plate 12 and on the same straight line with the first channel steel shear key 4, and designing a plurality of reserved holes 13 on the anchor plate 12;
c. after the embedded part is installed, connecting a first wire end of a longitudinal steel bar 16 and a second wire end of an anchoring steel bar 11 through a connecting piece 3, meanwhile, adding a stirrup at the bottom of a prefabricated column 1, pouring concrete to prepare the prefabricated column 1, and enabling the prefabricated column 1 to be provided with a first notch 9 through mold design; in a preferred embodiment, the specific connector 3 is a mechanical sleeve, and the lengths of the wires at the first wire end of the longitudinal bar 16 and the second wire end of the anchoring bar 11 are required to meet the connection requirements of the mechanical sleeve 3,
d. preparing a base column 2: pre-burying anchor bolts 6 corresponding to the preformed holes 13 one by one in the foundation column 2 according to the size of the preformed holes 13, wherein one ends of the anchor bolts 6 need to be subjected to threading treatment to obtain third threading ends, the anchor bolts with the third threading ends face upwards and are far away from the ground during pre-burying, a second notch 10 is reserved at the upper part of the foundation column 2 by utilizing a mould according to the specification of the second channel steel shear keys 17, reinforcing steel bars 15 are pre-buried at the bottom of the second notch 10, concrete is poured in situ, the third threading ends are exposed outside the concrete during pouring of the concrete, and the foundation column 2 is obtained after pouring is finished;
e. screwing a leveling nut 7 on an anchor bolt 6 of the foundation column 2, and injecting high-strength shrinkage-free mortar 5 into the second notch 10;
f. hoisting the precast column 1 to the upper part of the foundation column 2, forming a node area at the joint, sequentially penetrating the anchor bolt 6 through a preformed hole 13 and a gasket 14 with a hole, fixing the anchor bolt through a double nut 8, and simultaneously reinforcing the anchor bolt by welding;
g. and sealing the node area by adopting high-strength shrinkage-free mortar 5.
To sum up, the utility model provides a connection structure of prefabricated post and foundation column has that the atress is clear and definite, guarantees the atress, simple structure, and construction safety and the high advantage of accuracy can effectively promote the efficiency of construction simultaneously, reduce overall cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides a connection structure of prefabricated post and foundation column, its characterized in that, including interconnect's prefabricated post (1), foundation column (2) and prefabricated post (1) with the node region that the junction of foundation column (2) formed, just in the node region the bottom of prefabricated post (1) is pre-buried to have the built-in fitting the node region in foundation column (2) pre-buried crab-bolt (6), crab-bolt (6) can with the built-in fitting is connected, and make through cast-in-place high strength shrinkage-free mortar (5) in the node region prefabricated post (1) with foundation column (2) integrated into one piece.
2. A prefabricated column and foundation column connecting structure according to claim 1, wherein at least two longitudinal steel bars (16) and anchoring steel bars (11) corresponding to the longitudinal steel bars (16) one by one are embedded in the prefabricated column (1), and the longitudinal steel bars (16) and the anchoring steel bars (11) are connected through a connecting member (3).
3. A connecting structure of a precast column and a foundation column according to claim 2, wherein the embedded part at the bottom of the precast column (1) comprises an embedded anchor plate (12), a first channel steel shear key (4) and a second channel steel shear key (17), and the first channel steel shear key (4) is connected to the upper part of the anchor plate (12) and located between the anchor bars (11); the second channel steel shear key (17) is connected to the lower portion of the anchor plate (12) and is in the same straight line with the first channel steel shear key (4).
4. A precast column and foundation column connection structure according to claim 3, wherein the precast column (1) is further provided with a first notch (9) at the bottom.
5. A precast column and foundation column connection structure according to claim 4, wherein the anchoring bar (11) is extended to the bottom of the precast column (1) and connected with the anchor plate (12).
6. A precast column and foundation column connection structure according to claim 5, wherein the anchor plate (12) is provided with a plurality of prepared holes (13).
7. A connection structure of precast column and foundation column according to claim 6, characterized in that, a plurality of crab-bolts (6) of foundation column (2) pre-buried, a plurality of crab-bolts (6) with a plurality of preformed holes (13) one-to-one and pass preformed hole (13) it is fixed through two nut (8) in first notch (9), just be provided with leveling nut (7) on a plurality of crab-bolts (6) respectively.
8. A prefabricated column and foundation column connecting structure according to claim 7, wherein a second notch (10) is reserved at the connecting end of the foundation column (2) and the prefabricated column (1), and reinforcing steel bars (15) are embedded at the bottom of the second notch (10).
9. A prefabricated column and foundation column connection according to claim 8, wherein said second rebate (10) is filled with high strength non-shrink mortar (5).
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| CN202021107013.6U CN212772806U (en) | 2020-06-15 | 2020-06-15 | Connecting structure of prefabricated column and foundation column |
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| CN202021107013.6U CN212772806U (en) | 2020-06-15 | 2020-06-15 | Connecting structure of prefabricated column and foundation column |
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